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Bluetooth: Add error return value to hci_req_sync callback
[deliverable/linux.git] / net / bluetooth / mgmt.c
CommitLineData
0381101f
JH		 1/*
2 BlueZ - Bluetooth protocol stack for Linux
ea585ab5 3
0381101f 4 Copyright (C) 2010 Nokia Corporation
ea585ab5 5 Copyright (C) 2011-2012 Intel Corporation
0381101f
JH		 6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI Management interface */
26
3a9a231d 27#include <linux/module.h>
0381101f
JH		 28#include <asm/unaligned.h>
29
30#include <net/bluetooth/bluetooth.h>
31#include <net/bluetooth/hci_core.h>
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
e58627d1 41#define MGMT_REVISION 10
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,
e70bb2e8
JH		 105};
106
107static const u16 mgmt_events[] = {
108 MGMT_EV_CONTROLLER_ERROR,
109 MGMT_EV_INDEX_ADDED,
110 MGMT_EV_INDEX_REMOVED,
111 MGMT_EV_NEW_SETTINGS,
112 MGMT_EV_CLASS_OF_DEV_CHANGED,
113 MGMT_EV_LOCAL_NAME_CHANGED,
114 MGMT_EV_NEW_LINK_KEY,
115 MGMT_EV_NEW_LONG_TERM_KEY,
116 MGMT_EV_DEVICE_CONNECTED,
117 MGMT_EV_DEVICE_DISCONNECTED,
118 MGMT_EV_CONNECT_FAILED,
119 MGMT_EV_PIN_CODE_REQUEST,
120 MGMT_EV_USER_CONFIRM_REQUEST,
121 MGMT_EV_USER_PASSKEY_REQUEST,
122 MGMT_EV_AUTH_FAILED,
123 MGMT_EV_DEVICE_FOUND,
124 MGMT_EV_DISCOVERING,
125 MGMT_EV_DEVICE_BLOCKED,
126 MGMT_EV_DEVICE_UNBLOCKED,
127 MGMT_EV_DEVICE_UNPAIRED,
92a25256 128 MGMT_EV_PASSKEY_NOTIFY,
1b60ef21 129 MGMT_EV_NEW_IRK,
7ee4ea36 130 MGMT_EV_NEW_CSRK,
8afef092
MH		 131 MGMT_EV_DEVICE_ADDED,
132 MGMT_EV_DEVICE_REMOVED,
ffb5a827 133 MGMT_EV_NEW_CONN_PARAM,
0602a8ad 134 MGMT_EV_UNCONF_INDEX_ADDED,
edd3896b 135 MGMT_EV_UNCONF_INDEX_REMOVED,
f4537c04 136 MGMT_EV_NEW_CONFIG_OPTIONS,
ced85549
MH		 137 MGMT_EV_EXT_INDEX_ADDED,
138 MGMT_EV_EXT_INDEX_REMOVED,
72000df2 139 MGMT_EV_LOCAL_OOB_DATA_UPDATED,
24b4f38f
AU		 140 MGMT_EV_ADVERTISING_ADDED,
141 MGMT_EV_ADVERTISING_REMOVED,
e70bb2e8
JH		 142};
143
99c679ac
MH		 144static const u16 mgmt_untrusted_commands[] = {
145 MGMT_OP_READ_INDEX_LIST,
146 MGMT_OP_READ_INFO,
147 MGMT_OP_READ_UNCONF_INDEX_LIST,
148 MGMT_OP_READ_CONFIG_INFO,
149 MGMT_OP_READ_EXT_INDEX_LIST,
150};
151
152static const u16 mgmt_untrusted_events[] = {
153 MGMT_EV_INDEX_ADDED,
154 MGMT_EV_INDEX_REMOVED,
155 MGMT_EV_NEW_SETTINGS,
156 MGMT_EV_CLASS_OF_DEV_CHANGED,
157 MGMT_EV_LOCAL_NAME_CHANGED,
158 MGMT_EV_UNCONF_INDEX_ADDED,
159 MGMT_EV_UNCONF_INDEX_REMOVED,
160 MGMT_EV_NEW_CONFIG_OPTIONS,
161 MGMT_EV_EXT_INDEX_ADDED,
162 MGMT_EV_EXT_INDEX_REMOVED,
163};
164
17b02e62 165#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
7d78525d 166
d25b78e2
JH		 167#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
168 "\x00\x00\x00\x00\x00\x00\x00\x00"
169
ca69b795
JH		 170/* HCI to MGMT error code conversion table */
171static u8 mgmt_status_table[] = {
172 MGMT_STATUS_SUCCESS,
173 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
174 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
175 MGMT_STATUS_FAILED, /* Hardware Failure */
176 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
177 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
eadd663a 178 MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
ca69b795
JH		 179 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
180 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
181 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
182 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
183 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
184 MGMT_STATUS_BUSY, /* Command Disallowed */
185 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
186 MGMT_STATUS_REJECTED, /* Rejected Security */
187 MGMT_STATUS_REJECTED, /* Rejected Personal */
188 MGMT_STATUS_TIMEOUT, /* Host Timeout */
189 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
190 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
191 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
192 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
193 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
194 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
195 MGMT_STATUS_BUSY, /* Repeated Attempts */
196 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
197 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
198 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
199 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
200 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
201 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
202 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
203 MGMT_STATUS_FAILED, /* Unspecified Error */
204 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
205 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
206 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
207 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
208 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
209 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
210 MGMT_STATUS_FAILED, /* Unit Link Key Used */
211 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
212 MGMT_STATUS_TIMEOUT, /* Instant Passed */
213 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
214 MGMT_STATUS_FAILED, /* Transaction Collision */
215 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
216 MGMT_STATUS_REJECTED, /* QoS Rejected */
217 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
218 MGMT_STATUS_REJECTED, /* Insufficient Security */
219 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
220 MGMT_STATUS_BUSY, /* Role Switch Pending */
221 MGMT_STATUS_FAILED, /* Slot Violation */
222 MGMT_STATUS_FAILED, /* Role Switch Failed */
223 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
224 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
225 MGMT_STATUS_BUSY, /* Host Busy Pairing */
226 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
227 MGMT_STATUS_BUSY, /* Controller Busy */
228 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
229 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
230 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
231 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
232 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
233};
234
235static u8 mgmt_status(u8 hci_status)
236{
237 if (hci_status < ARRAY_SIZE(mgmt_status_table))
238 return mgmt_status_table[hci_status];
239
240 return MGMT_STATUS_FAILED;
241}
242
c08b1a1d
MH		 243static int mgmt_index_event(u16 event, struct hci_dev *hdev, void *data,
244 u16 len, int flag)
f9207338 245{
c08b1a1d
MH		 246 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
247 flag, NULL);
f9207338
MH		 248}
249
72000df2
MH		 250static int mgmt_limited_event(u16 event, struct hci_dev *hdev, void *data,
251 u16 len, int flag, struct sock *skip_sk)
252{
253 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
254 flag, skip_sk);
255}
256
f6b7712e
MH		 257static int mgmt_generic_event(u16 event, struct hci_dev *hdev, void *data,
258 u16 len, struct sock *skip_sk)
259{
260 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
261 HCI_MGMT_GENERIC_EVENTS, 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
04124681
GP		 279static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
280 u16 data_len)
a38528f1
JH		 281{
282 struct mgmt_rp_read_version rp;
283
284 BT_DBG("sock %p", sk);
285
286 rp.version = MGMT_VERSION;
dcf4adbf 287 rp.revision = cpu_to_le16(MGMT_REVISION);
a38528f1 288
2a1afb5a
JH		 289 return mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0,
290 &rp, sizeof(rp));
a38528f1
JH		 291}
292
04124681
GP		 293static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
294 u16 data_len)
e70bb2e8
JH		 295{
296 struct mgmt_rp_read_commands *rp;
99c679ac 297 u16 num_commands, num_events;
e70bb2e8
JH		 298 size_t rp_size;
299 int i, err;
300
301 BT_DBG("sock %p", sk);
302
99c679ac
MH		 303 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
304 num_commands = ARRAY_SIZE(mgmt_commands);
305 num_events = ARRAY_SIZE(mgmt_events);
306 } else {
307 num_commands = ARRAY_SIZE(mgmt_untrusted_commands);
308 num_events = ARRAY_SIZE(mgmt_untrusted_events);
309 }
310
e70bb2e8
JH		 311 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
312
313 rp = kmalloc(rp_size, GFP_KERNEL);
314 if (!rp)
315 return -ENOMEM;
316
dcf4adbf
JP		 317 rp->num_commands = cpu_to_le16(num_commands);
318 rp->num_events = cpu_to_le16(num_events);
e70bb2e8 319
99c679ac
MH		 320 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
321 __le16 *opcode = rp->opcodes;
322
323 for (i = 0; i < num_commands; i++, opcode++)
324 put_unaligned_le16(mgmt_commands[i], opcode);
e70bb2e8 325
99c679ac
MH		 326 for (i = 0; i < num_events; i++, opcode++)
327 put_unaligned_le16(mgmt_events[i], opcode);
328 } else {
329 __le16 *opcode = rp->opcodes;
330
331 for (i = 0; i < num_commands; i++, opcode++)
332 put_unaligned_le16(mgmt_untrusted_commands[i], opcode);
333
334 for (i = 0; i < num_events; i++, opcode++)
335 put_unaligned_le16(mgmt_untrusted_events[i], opcode);
336 }
e70bb2e8 337
2a1afb5a
JH		 338 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0,
339 rp, rp_size);
e70bb2e8
JH		 340 kfree(rp);
341
342 return err;
343}
344
04124681
GP		 345static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
346 u16 data_len)
faba42eb 347{
faba42eb 348 struct mgmt_rp_read_index_list *rp;
8035ded4 349 struct hci_dev *d;
a38528f1 350 size_t rp_len;
faba42eb 351 u16 count;
476e44cb 352 int err;
faba42eb
JH		 353
354 BT_DBG("sock %p", sk);
355
356 read_lock(&hci_dev_list_lock);
357
358 count = 0;
bb4b2a9a 359 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a 360 if (d->dev_type == HCI_BREDR &&
d7a5a11d 361 !hci_dev_test_flag(d, HCI_UNCONFIGURED))
1514b892 362 count++;
faba42eb
JH		 363 }
364
a38528f1
JH		 365 rp_len = sizeof(*rp) + (2 * count);
366 rp = kmalloc(rp_len, GFP_ATOMIC);
367 if (!rp) {
b2c60d42 368 read_unlock(&hci_dev_list_lock);
faba42eb 369 return -ENOMEM;
b2c60d42 370 }
faba42eb 371
476e44cb 372 count = 0;
8035ded4 373 list_for_each_entry(d, &hci_dev_list, list) {
d7a5a11d
MH		 374 if (hci_dev_test_flag(d, HCI_SETUP) ||
375 hci_dev_test_flag(d, HCI_CONFIG) ||
376 hci_dev_test_flag(d, HCI_USER_CHANNEL))
ab81cbf9
JH		 377 continue;
378
73d1df2a
MH		 379 /* Devices marked as raw-only are neither configured
380 * nor unconfigured controllers.
381 */
382 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
fee746b0
MH		 383 continue;
384
73d1df2a 385 if (d->dev_type == HCI_BREDR &&
d7a5a11d 386 !hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
1514b892
MH		 387 rp->index[count++] = cpu_to_le16(d->id);
388 BT_DBG("Added hci%u", d->id);
389 }
faba42eb
JH		 390 }
391
476e44cb
JH		 392 rp->num_controllers = cpu_to_le16(count);
393 rp_len = sizeof(*rp) + (2 * count);
394
faba42eb
JH		 395 read_unlock(&hci_dev_list_lock);
396
2a1afb5a
JH		 397 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST,
398 0, rp, rp_len);
faba42eb 399
a38528f1
JH		 400 kfree(rp);
401
402 return err;
faba42eb
JH		 403}
404
73d1df2a
MH		 405static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
406 void *data, u16 data_len)
407{
408 struct mgmt_rp_read_unconf_index_list *rp;
409 struct hci_dev *d;
410 size_t rp_len;
411 u16 count;
412 int err;
413
414 BT_DBG("sock %p", sk);
415
416 read_lock(&hci_dev_list_lock);
417
418 count = 0;
419 list_for_each_entry(d, &hci_dev_list, list) {
420 if (d->dev_type == HCI_BREDR &&
d7a5a11d 421 hci_dev_test_flag(d, HCI_UNCONFIGURED))
73d1df2a
MH		 422 count++;
423 }
424
425 rp_len = sizeof(*rp) + (2 * count);
426 rp = kmalloc(rp_len, GFP_ATOMIC);
427 if (!rp) {
428 read_unlock(&hci_dev_list_lock);
429 return -ENOMEM;
430 }
431
432 count = 0;
433 list_for_each_entry(d, &hci_dev_list, list) {
d7a5a11d
MH		 434 if (hci_dev_test_flag(d, HCI_SETUP) ||
435 hci_dev_test_flag(d, HCI_CONFIG) ||
436 hci_dev_test_flag(d, HCI_USER_CHANNEL))
73d1df2a
MH		 437 continue;
438
439 /* Devices marked as raw-only are neither configured
440 * nor unconfigured controllers.
441 */
442 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
443 continue;
444
445 if (d->dev_type == HCI_BREDR &&
d7a5a11d 446 hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
73d1df2a
MH		 447 rp->index[count++] = cpu_to_le16(d->id);
448 BT_DBG("Added hci%u", d->id);
449 }
450 }
451
452 rp->num_controllers = cpu_to_le16(count);
453 rp_len = sizeof(*rp) + (2 * count);
454
455 read_unlock(&hci_dev_list_lock);
456
2a1afb5a
JH		 457 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
458 MGMT_OP_READ_UNCONF_INDEX_LIST, 0, rp, rp_len);
73d1df2a
MH		 459
460 kfree(rp);
461
462 return err;
463}
464
96f1474a
MH		 465static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
466 void *data, u16 data_len)
467{
468 struct mgmt_rp_read_ext_index_list *rp;
469 struct hci_dev *d;
470 size_t rp_len;
471 u16 count;
472 int err;
473
474 BT_DBG("sock %p", sk);
475
476 read_lock(&hci_dev_list_lock);
477
478 count = 0;
479 list_for_each_entry(d, &hci_dev_list, list) {
480 if (d->dev_type == HCI_BREDR || d->dev_type == HCI_AMP)
481 count++;
482 }
483
484 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
485 rp = kmalloc(rp_len, GFP_ATOMIC);
486 if (!rp) {
487 read_unlock(&hci_dev_list_lock);
488 return -ENOMEM;
489 }
490
491 count = 0;
492 list_for_each_entry(d, &hci_dev_list, list) {
493 if (hci_dev_test_flag(d, HCI_SETUP) ||
494 hci_dev_test_flag(d, HCI_CONFIG) ||
495 hci_dev_test_flag(d, HCI_USER_CHANNEL))
496 continue;
497
498 /* Devices marked as raw-only are neither configured
499 * nor unconfigured controllers.
500 */
501 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
502 continue;
503
504 if (d->dev_type == HCI_BREDR) {
505 if (hci_dev_test_flag(d, HCI_UNCONFIGURED))
506 rp->entry[count].type = 0x01;
507 else
508 rp->entry[count].type = 0x00;
509 } else if (d->dev_type == HCI_AMP) {
510 rp->entry[count].type = 0x02;
511 } else {
512 continue;
513 }
514
515 rp->entry[count].bus = d->bus;
516 rp->entry[count++].index = cpu_to_le16(d->id);
517 BT_DBG("Added hci%u", d->id);
518 }
519
520 rp->num_controllers = cpu_to_le16(count);
521 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
522
523 read_unlock(&hci_dev_list_lock);
524
525 /* If this command is called at least once, then all the
526 * default index and unconfigured index events are disabled
527 * and from now on only extended index events are used.
528 */
529 hci_sock_set_flag(sk, HCI_MGMT_EXT_INDEX_EVENTS);
530 hci_sock_clear_flag(sk, HCI_MGMT_INDEX_EVENTS);
531 hci_sock_clear_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS);
532
533 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
534 MGMT_OP_READ_EXT_INDEX_LIST, 0, rp, rp_len);
535
536 kfree(rp);
537
538 return err;
539}
540
dbece37a
MH		 541static bool is_configured(struct hci_dev *hdev)
542{
543 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
d7a5a11d 544 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
dbece37a
MH		 545 return false;
546
547 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
548 !bacmp(&hdev->public_addr, BDADDR_ANY))
549 return false;
550
551 return true;
552}
553
89bc22d2
MH		 554static __le32 get_missing_options(struct hci_dev *hdev)
555{
556 u32 options = 0;
557
dbece37a 558 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
d7a5a11d 559 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
eb1904f4
MH		 560 options |= MGMT_OPTION_EXTERNAL_CONFIG;
561
89bc22d2
MH		 562 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
563 !bacmp(&hdev->public_addr, BDADDR_ANY))
564 options |= MGMT_OPTION_PUBLIC_ADDRESS;
565
566 return cpu_to_le32(options);
567}
568
f4537c04
MH		 569static int new_options(struct hci_dev *hdev, struct sock *skip)
570{
571 __le32 options = get_missing_options(hdev);
572
f6b7712e
MH		 573 return mgmt_generic_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
574 sizeof(options), skip);
f4537c04
MH		 575}
576
dbece37a
MH		 577static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
578{
579 __le32 options = get_missing_options(hdev);
580
2a1afb5a
JH		 581 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &options,
582 sizeof(options));
dbece37a
MH		 583}
584
9fc3bfb6
MH		 585static int read_config_info(struct sock *sk, struct hci_dev *hdev,
586 void *data, u16 data_len)
587{
588 struct mgmt_rp_read_config_info rp;
89bc22d2 589 u32 options = 0;
9fc3bfb6
MH		 590
591 BT_DBG("sock %p %s", sk, hdev->name);
592
593 hci_dev_lock(hdev);
594
595 memset(&rp, 0, sizeof(rp));
596 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
89bc22d2 597
eb1904f4
MH		 598 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
599 options |= MGMT_OPTION_EXTERNAL_CONFIG;
600
9fc3bfb6 601 if (hdev->set_bdaddr)
89bc22d2
MH		 602 options |= MGMT_OPTION_PUBLIC_ADDRESS;
603
604 rp.supported_options = cpu_to_le32(options);
605 rp.missing_options = get_missing_options(hdev);
9fc3bfb6
MH		 606
607 hci_dev_unlock(hdev);
608
2a1afb5a
JH		 609 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0,
610 &rp, sizeof(rp));
9fc3bfb6
MH		 611}
612
69ab39ea
JH		 613static u32 get_supported_settings(struct hci_dev *hdev)
614{
615 u32 settings = 0;
616
617 settings |= MGMT_SETTING_POWERED;
b2939475 618 settings |= MGMT_SETTING_BONDABLE;
b1de97d8 619 settings |= MGMT_SETTING_DEBUG_KEYS;
3742abfc
JH		 620 settings |= MGMT_SETTING_CONNECTABLE;
621 settings |= MGMT_SETTING_DISCOVERABLE;
69ab39ea 622
ed3fa31f 623 if (lmp_bredr_capable(hdev)) {
1a47aee8
JH		 624 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
625 settings |= MGMT_SETTING_FAST_CONNECTABLE;
69ab39ea
JH		 626 settings |= MGMT_SETTING_BREDR;
627 settings |= MGMT_SETTING_LINK_SECURITY;
a82974c9
MH		 628
629 if (lmp_ssp_capable(hdev)) {
630 settings |= MGMT_SETTING_SSP;
631 settings |= MGMT_SETTING_HS;
632 }
e98d2ce2 633
05b3c3e7 634 if (lmp_sc_capable(hdev))
e98d2ce2 635 settings |= MGMT_SETTING_SECURE_CONN;
848566b3 636 }
d7b7e796 637
eeca6f89 638 if (lmp_le_capable(hdev)) {
9d42820f 639 settings |= MGMT_SETTING_LE;
eeca6f89 640 settings |= MGMT_SETTING_ADVERTISING;
a3209694 641 settings |= MGMT_SETTING_SECURE_CONN;
0f4bd942 642 settings |= MGMT_SETTING_PRIVACY;
93690c22 643 settings |= MGMT_SETTING_STATIC_ADDRESS;
eeca6f89 644 }
69ab39ea 645
eb1904f4
MH		 646 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
647 hdev->set_bdaddr)
9fc3bfb6
MH		 648 settings |= MGMT_SETTING_CONFIGURATION;
649
69ab39ea
JH		 650 return settings;
651}
652
653static u32 get_current_settings(struct hci_dev *hdev)
654{
655 u32 settings = 0;
656
f1f0eb02 657 if (hdev_is_powered(hdev))
f0d4b78a
MH		 658 settings |= MGMT_SETTING_POWERED;
659
d7a5a11d 660 if (hci_dev_test_flag(hdev, HCI_CONNECTABLE))
69ab39ea
JH		 661 settings |= MGMT_SETTING_CONNECTABLE;
662
d7a5a11d 663 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
1a4d3c4b
JH		 664 settings |= MGMT_SETTING_FAST_CONNECTABLE;
665
d7a5a11d 666 if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
69ab39ea
JH		 667 settings |= MGMT_SETTING_DISCOVERABLE;
668
d7a5a11d 669 if (hci_dev_test_flag(hdev, HCI_BONDABLE))
b2939475 670 settings |= MGMT_SETTING_BONDABLE;
69ab39ea 671
d7a5a11d 672 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
69ab39ea
JH		 673 settings |= MGMT_SETTING_BREDR;
674
d7a5a11d 675 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
69ab39ea
JH		 676 settings |= MGMT_SETTING_LE;
677
d7a5a11d 678 if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY))
69ab39ea
JH		 679 settings |= MGMT_SETTING_LINK_SECURITY;
680
d7a5a11d 681 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
69ab39ea
JH		 682 settings |= MGMT_SETTING_SSP;
683
d7a5a11d 684 if (hci_dev_test_flag(hdev, HCI_HS_ENABLED))
6d80dfd0
JH		 685 settings |= MGMT_SETTING_HS;
686
d7a5a11d 687 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
eeca6f89
JH		 688 settings |= MGMT_SETTING_ADVERTISING;
689
d7a5a11d 690 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED))
e98d2ce2
MH		 691 settings |= MGMT_SETTING_SECURE_CONN;
692
d7a5a11d 693 if (hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS))
b1de97d8
MH		 694 settings |= MGMT_SETTING_DEBUG_KEYS;
695
d7a5a11d 696 if (hci_dev_test_flag(hdev, HCI_PRIVACY))
0f4bd942
JH		 697 settings |= MGMT_SETTING_PRIVACY;
698
93690c22
MH		 699 /* The current setting for static address has two purposes. The
700 * first is to indicate if the static address will be used and
701 * the second is to indicate if it is actually set.
702 *
703 * This means if the static address is not configured, this flag
08dc0e98 704 * will never be set. If the address is configured, then if the
93690c22
MH		 705 * address is actually used decides if the flag is set or not.
706 *
707 * For single mode LE only controllers and dual-mode controllers
708 * with BR/EDR disabled, the existence of the static address will
709 * be evaluated.
710 */
b7cb93e5 711 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
d7a5a11d 712 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
93690c22
MH		 713 !bacmp(&hdev->bdaddr, BDADDR_ANY)) {
714 if (bacmp(&hdev->static_addr, BDADDR_ANY))
715 settings |= MGMT_SETTING_STATIC_ADDRESS;
716 }
717
69ab39ea
JH		 718 return settings;
719}
720
ef580372
JH		 721#define PNP_INFO_SVCLASS_ID 0x1200
722
213202ed
JH		 723static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
724{
725 u8 *ptr = data, *uuids_start = NULL;
726 struct bt_uuid *uuid;
727
728 if (len < 4)
729 return ptr;
730
731 list_for_each_entry(uuid, &hdev->uuids, list) {
732 u16 uuid16;
733
734 if (uuid->size != 16)
735 continue;
736
737 uuid16 = get_unaligned_le16(&uuid->uuid[12]);
738 if (uuid16 < 0x1100)
739 continue;
740
741 if (uuid16 == PNP_INFO_SVCLASS_ID)
742 continue;
743
744 if (!uuids_start) {
745 uuids_start = ptr;
746 uuids_start[0] = 1;
747 uuids_start[1] = EIR_UUID16_ALL;
748 ptr += 2;
749 }
750
751 /* Stop if not enough space to put next UUID */
752 if ((ptr - data) + sizeof(u16) > len) {
753 uuids_start[1] = EIR_UUID16_SOME;
754 break;
755 }
756
757 *ptr++ = (uuid16 & 0x00ff);
758 *ptr++ = (uuid16 & 0xff00) >> 8;
759 uuids_start[0] += sizeof(uuid16);
760 }
761
762 return ptr;
763}
764
cdf1963f
JH		 765static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
766{
767 u8 *ptr = data, *uuids_start = NULL;
768 struct bt_uuid *uuid;
769
770 if (len < 6)
771 return ptr;
772
773 list_for_each_entry(uuid, &hdev->uuids, list) {
774 if (uuid->size != 32)
775 continue;
776
777 if (!uuids_start) {
778 uuids_start = ptr;
779 uuids_start[0] = 1;
780 uuids_start[1] = EIR_UUID32_ALL;
781 ptr += 2;
782 }
783
784 /* Stop if not enough space to put next UUID */
785 if ((ptr - data) + sizeof(u32) > len) {
786 uuids_start[1] = EIR_UUID32_SOME;
787 break;
788 }
789
790 memcpy(ptr, &uuid->uuid[12], sizeof(u32));
791 ptr += sizeof(u32);
792 uuids_start[0] += sizeof(u32);
793 }
794
795 return ptr;
796}
797
c00d575b
JH		 798static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
799{
800 u8 *ptr = data, *uuids_start = NULL;
801 struct bt_uuid *uuid;
802
803 if (len < 18)
804 return ptr;
805
806 list_for_each_entry(uuid, &hdev->uuids, list) {
807 if (uuid->size != 128)
808 continue;
809
810 if (!uuids_start) {
811 uuids_start = ptr;
812 uuids_start[0] = 1;
813 uuids_start[1] = EIR_UUID128_ALL;
814 ptr += 2;
815 }
816
817 /* Stop if not enough space to put next UUID */
818 if ((ptr - data) + 16 > len) {
819 uuids_start[1] = EIR_UUID128_SOME;
820 break;
821 }
822
823 memcpy(ptr, uuid->uuid, 16);
824 ptr += 16;
825 uuids_start[0] += 16;
826 }
827
828 return ptr;
829}
830
333ae95d
JH		 831static struct mgmt_pending_cmd *pending_find(u16 opcode, struct hci_dev *hdev)
832{
833 return mgmt_pending_find(HCI_CHANNEL_CONTROL, opcode, hdev);
834}
835
333ae95d
JH		 836static struct mgmt_pending_cmd *pending_find_data(u16 opcode,
837 struct hci_dev *hdev,
838 const void *data)
839{
840 return mgmt_pending_find_data(HCI_CHANNEL_CONTROL, opcode, hdev, data);
841}
842
91aa9bb2
FG		 843static u8 get_current_adv_instance(struct hci_dev *hdev)
844{
845 /* The "Set Advertising" setting supersedes the "Add Advertising"
846 * setting. Here we set the advertising data based on which
847 * setting was set. When neither apply, default to the global settings,
848 * represented by instance "0".
849 */
850 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
851 !hci_dev_test_flag(hdev, HCI_ADVERTISING))
3ff37e6b 852 return hdev->cur_adv_instance;
91aa9bb2
FG		 853
854 return 0x00;
855}
856
4117ed70 857static u8 create_default_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
f14d8f64 858{
7a5f4990
MH		 859 u8 ad_len = 0;
860 size_t name_len;
861
862 name_len = strlen(hdev->dev_name);
863 if (name_len > 0) {
864 size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
865
866 if (name_len > max_len) {
867 name_len = max_len;
868 ptr[1] = EIR_NAME_SHORT;
869 } else
870 ptr[1] = EIR_NAME_COMPLETE;
871
872 ptr[0] = name_len + 1;
873
874 memcpy(ptr + 2, hdev->dev_name, name_len);
875
876 ad_len += (name_len + 2);
877 ptr += (name_len + 2);
878 }
879
880 return ad_len;
f14d8f64
MH		 881}
882
ca21fbe9
FG		 883static u8 create_instance_scan_rsp_data(struct hci_dev *hdev, u8 instance,
884 u8 *ptr)
4117ed70 885{
ca21fbe9
FG		 886 struct adv_info *adv_instance;
887
888 adv_instance = hci_find_adv_instance(hdev, instance);
889 if (!adv_instance)
890 return 0;
891
4117ed70
AU		 892 /* TODO: Set the appropriate entries based on advertising instance flags
893 * here once flags other than 0 are supported.
894 */
ca21fbe9
FG		 895 memcpy(ptr, adv_instance->scan_rsp_data,
896 adv_instance->scan_rsp_len);
4117ed70 897
ca21fbe9 898 return adv_instance->scan_rsp_len;
4117ed70
AU		 899}
900
efae002c 901static void update_inst_scan_rsp_data(struct hci_request *req, u8 instance)
f14d8f64
MH		 902{
903 struct hci_dev *hdev = req->hdev;
904 struct hci_cp_le_set_scan_rsp_data cp;
905 u8 len;
906
d7a5a11d 907 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
f14d8f64
MH		 908 return;
909
910 memset(&cp, 0, sizeof(cp));
911
4117ed70 912 if (instance)
ca21fbe9 913 len = create_instance_scan_rsp_data(hdev, instance, cp.data);
4117ed70
AU		 914 else
915 len = create_default_scan_rsp_data(hdev, cp.data);
f14d8f64 916
eb438b5f 917 if (hdev->scan_rsp_data_len == len &&
4117ed70 918 !memcmp(cp.data, hdev->scan_rsp_data, len))
f14d8f64
MH		 919 return;
920
eb438b5f
JH		 921 memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
922 hdev->scan_rsp_data_len = len;
f14d8f64
MH		 923
924 cp.length = len;
925
926 hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp);
927}
928
4117ed70
AU		 929static void update_scan_rsp_data(struct hci_request *req)
930{
efae002c 931 update_inst_scan_rsp_data(req, get_current_adv_instance(req->hdev));
4117ed70
AU		 932}
933
9a43e25f
JH		 934static u8 get_adv_discov_flags(struct hci_dev *hdev)
935{
3b0602cd 936 struct mgmt_pending_cmd *cmd;
9a43e25f
JH		 937
938 /* If there's a pending mgmt command the flags will not yet have
939 * their final values, so check for this first.
940 */
333ae95d 941 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
9a43e25f
JH		 942 if (cmd) {
943 struct mgmt_mode *cp = cmd->param;
944 if (cp->val == 0x01)
945 return LE_AD_GENERAL;
946 else if (cp->val == 0x02)
947 return LE_AD_LIMITED;
948 } else {
d7a5a11d 949 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
9a43e25f 950 return LE_AD_LIMITED;
d7a5a11d 951 else if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
9a43e25f
JH		 952 return LE_AD_GENERAL;
953 }
954
955 return 0;
956}
957
fdf51784
AU		 958static bool get_connectable(struct hci_dev *hdev)
959{
960 struct mgmt_pending_cmd *cmd;
441ad2d0 961
fdf51784
AU		 962 /* If there's a pending mgmt command the flag will not yet have
963 * it's final value, so check for this first.
964 */
965 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
966 if (cmd) {
967 struct mgmt_mode *cp = cmd->param;
441ad2d0 968
fdf51784 969 return cp->val;
441ad2d0
MH		 970 }
971
fdf51784
AU		 972 return hci_dev_test_flag(hdev, HCI_CONNECTABLE);
973}
441ad2d0 974
fdf51784
AU		 975static u32 get_adv_instance_flags(struct hci_dev *hdev, u8 instance)
976{
977 u32 flags;
411b4121 978 struct adv_info *adv_instance;
441ad2d0 979
bea28e65
FG		 980 if (instance == 0x00) {
981 /* Instance 0 always manages the "Tx Power" and "Flags"
982 * fields
983 */
984 flags = MGMT_ADV_FLAG_TX_POWER | MGMT_ADV_FLAG_MANAGED_FLAGS;
411b4121 985
bea28e65
FG		 986 /* For instance 0, the HCI_ADVERTISING_CONNECTABLE setting
987 * corresponds to the "connectable" instance flag.
988 */
989 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE))
990 flags |= MGMT_ADV_FLAG_CONNECTABLE;
fdf51784 991
bea28e65 992 return flags;
411b4121 993 }
fdf51784 994
bea28e65 995 adv_instance = hci_find_adv_instance(hdev, instance);
fdf51784 996
bea28e65
FG		 997 /* Return 0 when we got an invalid instance identifier. */
998 if (!adv_instance)
999 return 0;
fdf51784 1000
bea28e65 1001 return adv_instance->flags;
441ad2d0
MH		 1002}
1003
7b683b74 1004static u8 get_cur_adv_instance_scan_rsp_len(struct hci_dev *hdev)
c7d4883b 1005{
7b683b74
FG		 1006 u8 instance = get_current_adv_instance(hdev);
1007 struct adv_info *adv_instance;
1008
1009 /* Ignore instance 0 */
1010 if (instance == 0x00)
1011 return 0;
1012
1013 adv_instance = hci_find_adv_instance(hdev, instance);
1014 if (!adv_instance)
c7d4883b
AU		 1015 return 0;
1016
1017 /* TODO: Take into account the "appearance" and "local-name" flags here.
1018 * These are currently being ignored as they are not supported.
1019 */
7b683b74 1020 return adv_instance->scan_rsp_len;
c7d4883b
AU		 1021}
1022
fdf51784 1023static u8 create_instance_adv_data(struct hci_dev *hdev, u8 instance, u8 *ptr)
24b4f38f 1024{
f63ba24b 1025 struct adv_info *adv_instance = NULL;
b44133ff 1026 u8 ad_len = 0, flags = 0;
f63ba24b
FG		 1027 u32 instance_flags;
1028
1029 /* Return 0 when the current instance identifier is invalid. */
1030 if (instance) {
1031 adv_instance = hci_find_adv_instance(hdev, instance);
1032 if (!adv_instance)
1033 return 0;
1034 }
1035
1036 instance_flags = get_adv_instance_flags(hdev, instance);
b44133ff 1037
807ec772
AU		 1038 /* The Add Advertising command allows userspace to set both the general
1039 * and limited discoverable flags.
1040 */
fdf51784 1041 if (instance_flags & MGMT_ADV_FLAG_DISCOV)
b44133ff
AU		 1042 flags |= LE_AD_GENERAL;
1043
fdf51784 1044 if (instance_flags & MGMT_ADV_FLAG_LIMITED_DISCOV)
807ec772
AU		 1045 flags |= LE_AD_LIMITED;
1046
fdf51784 1047 if (flags || (instance_flags & MGMT_ADV_FLAG_MANAGED_FLAGS)) {
67e0c0cd
AU		 1048 /* If a discovery flag wasn't provided, simply use the global
1049 * settings.
1050 */
1051 if (!flags)
1052 flags |= get_adv_discov_flags(hdev);
1053
b44133ff
AU		 1054 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
1055 flags |= LE_AD_NO_BREDR;
1056
fdf51784
AU		 1057 /* If flags would still be empty, then there is no need to
1058 * include the "Flags" AD field".
1059 */
1060 if (flags) {
1061 ptr[0] = 0x02;
1062 ptr[1] = EIR_FLAGS;
1063 ptr[2] = flags;
b44133ff 1064
fdf51784
AU		 1065 ad_len += 3;
1066 ptr += 3;
1067 }
b44133ff
AU		 1068 }
1069
f63ba24b
FG		 1070 if (adv_instance) {
1071 memcpy(ptr, adv_instance->adv_data,
1072 adv_instance->adv_data_len);
1073 ad_len += adv_instance->adv_data_len;
1074 ptr += adv_instance->adv_data_len;
38c8af60
MH		 1075 }
1076
fdf51784 1077 /* Provide Tx Power only if we can provide a valid value for it */
5507e358 1078 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID &&
fdf51784 1079 (instance_flags & MGMT_ADV_FLAG_TX_POWER)) {
5507e358
AU		 1080 ptr[0] = 0x02;
1081 ptr[1] = EIR_TX_POWER;
1082 ptr[2] = (u8)hdev->adv_tx_power;
1083
1084 ad_len += 3;
1085 ptr += 3;
1086 }
1087
b44133ff 1088 return ad_len;
24b4f38f
AU		 1089}
1090
efae002c 1091static void update_inst_adv_data(struct hci_request *req, u8 instance)
441ad2d0
MH		 1092{
1093 struct hci_dev *hdev = req->hdev;
1094 struct hci_cp_le_set_adv_data cp;
1095 u8 len;
1096
d7a5a11d 1097 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
441ad2d0
MH		 1098 return;
1099
1100 memset(&cp, 0, sizeof(cp));
1101
fdf51784 1102 len = create_instance_adv_data(hdev, instance, cp.data);
441ad2d0 1103
24b4f38f 1104 /* There's nothing to do if the data hasn't changed */
441ad2d0
MH		 1105 if (hdev->adv_data_len == len &&
1106 memcmp(cp.data, hdev->adv_data, len) == 0)
1107 return;
1108
1109 memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
1110 hdev->adv_data_len = len;
1111
1112 cp.length = len;
1113
1114 hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
1115}
1116
e7a685d3
AU		 1117static void update_adv_data(struct hci_request *req)
1118{
efae002c 1119 update_inst_adv_data(req, get_current_adv_instance(req->hdev));
24b4f38f
AU		 1120}
1121
bc6d2d04
JH		 1122int mgmt_update_adv_data(struct hci_dev *hdev)
1123{
1124 struct hci_request req;
1125
1126 hci_req_init(&req, hdev);
1127 update_adv_data(&req);
1128
1129 return hci_req_run(&req, NULL);
1130}
1131
ef580372
JH		 1132static void create_eir(struct hci_dev *hdev, u8 *data)
1133{
1134 u8 *ptr = data;
ef580372
JH		 1135 size_t name_len;
1136
1137 name_len = strlen(hdev->dev_name);
1138
1139 if (name_len > 0) {
1140 /* EIR Data type */
1141 if (name_len > 48) {
1142 name_len = 48;
1143 ptr[1] = EIR_NAME_SHORT;
1144 } else
1145 ptr[1] = EIR_NAME_COMPLETE;
1146
1147 /* EIR Data length */
1148 ptr[0] = name_len + 1;
1149
1150 memcpy(ptr + 2, hdev->dev_name, name_len);
1151
ef580372
JH		 1152 ptr += (name_len + 2);
1153 }
1154
bbaf444a 1155 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
91c4e9b1
MH		 1156 ptr[0] = 2;
1157 ptr[1] = EIR_TX_POWER;
1158 ptr[2] = (u8) hdev->inq_tx_power;
1159
91c4e9b1
MH		 1160 ptr += 3;
1161 }
1162
2b9be137
MH		 1163 if (hdev->devid_source > 0) {
1164 ptr[0] = 9;
1165 ptr[1] = EIR_DEVICE_ID;
1166
1167 put_unaligned_le16(hdev->devid_source, ptr + 2);
1168 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
1169 put_unaligned_le16(hdev->devid_product, ptr + 6);
1170 put_unaligned_le16(hdev->devid_version, ptr + 8);
1171
2b9be137
MH		 1172 ptr += 10;
1173 }
1174
213202ed 1175 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
cdf1963f 1176 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
c00d575b 1177 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
ef580372
JH		 1178}
1179
890ea898 1180static void update_eir(struct hci_request *req)
ef580372 1181{
890ea898 1182 struct hci_dev *hdev = req->hdev;
ef580372
JH		 1183 struct hci_cp_write_eir cp;
1184
504c8dcd 1185 if (!hdev_is_powered(hdev))
890ea898 1186 return;
7770c4aa 1187
976eb20e 1188 if (!lmp_ext_inq_capable(hdev))
890ea898 1189 return;
ef580372 1190
d7a5a11d 1191 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
890ea898 1192 return;
ef580372 1193
d7a5a11d 1194 if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
890ea898 1195 return;
ef580372
JH		 1196
1197 memset(&cp, 0, sizeof(cp));
1198
1199 create_eir(hdev, cp.data);
1200
1201 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
890ea898 1202 return;
ef580372
JH		 1203
1204 memcpy(hdev->eir, cp.data, sizeof(cp.data));
1205
890ea898 1206 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
ef580372
JH		 1207}
1208
1209static u8 get_service_classes(struct hci_dev *hdev)
1210{
1211 struct bt_uuid *uuid;
1212 u8 val = 0;
1213
1214 list_for_each_entry(uuid, &hdev->uuids, list)
1215 val |= uuid->svc_hint;
1216
1217 return val;
1218}
1219
890ea898 1220static void update_class(struct hci_request *req)
ef580372 1221{
890ea898 1222 struct hci_dev *hdev = req->hdev;
ef580372
JH		 1223 u8 cod[3];
1224
1225 BT_DBG("%s", hdev->name);
1226
504c8dcd 1227 if (!hdev_is_powered(hdev))
890ea898 1228 return;
7770c4aa 1229
d7a5a11d 1230 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
f87ea1da
JH		 1231 return;
1232
d7a5a11d 1233 if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
890ea898 1234 return;
ef580372
JH		 1235
1236 cod[0] = hdev->minor_class;
1237 cod[1] = hdev->major_class;
1238 cod[2] = get_service_classes(hdev);
1239
d7a5a11d 1240 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
6acd7db4
MH		 1241 cod[1] |= 0x20;
1242
ef580372 1243 if (memcmp(cod, hdev->dev_class, 3) == 0)
890ea898 1244 return;
ef580372 1245
890ea898 1246 hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
ef580372
JH		 1247}
1248
0ec5ae84
JH		 1249static void disable_advertising(struct hci_request *req)
1250{
1251 u8 enable = 0x00;
1252
1253 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1254}
1255
199a2fb1
JH		 1256static void enable_advertising(struct hci_request *req)
1257{
1258 struct hci_dev *hdev = req->hdev;
1259 struct hci_cp_le_set_adv_param cp;
8f2a0601 1260 u8 own_addr_type, enable = 0x01;
a4858cb9 1261 bool connectable;
e7a685d3
AU		 1262 u8 instance;
1263 u32 flags;
199a2fb1 1264
0ec5ae84
JH		 1265 if (hci_conn_num(hdev, LE_LINK) > 0)
1266 return;
1267
d7a5a11d 1268 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
0ec5ae84
JH		 1269 disable_advertising(req);
1270
5ce194c4 1271 /* Clear the HCI_LE_ADV bit temporarily so that the
8d97250e
JH		 1272 * hci_update_random_address knows that it's safe to go ahead
1273 * and write a new random address. The flag will be set back on
1274 * as soon as the SET_ADV_ENABLE HCI command completes.
1275 */
a358dc11 1276 hci_dev_clear_flag(hdev, HCI_LE_ADV);
8d97250e 1277
e7a685d3
AU		 1278 instance = get_current_adv_instance(hdev);
1279 flags = get_adv_instance_flags(hdev, instance);
faccb950
AU		 1280
1281 /* If the "connectable" instance flag was not set, then choose between
1282 * ADV_IND and ADV_NONCONN_IND based on the global connectable setting.
1283 */
1284 connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE) ||
1285 get_connectable(hdev);
8f2a0601 1286
a4858cb9
JH		 1287 /* Set require_privacy to true only when non-connectable
1288 * advertising is used. In that case it is fine to use a
1289 * non-resolvable private address.
1290 */
1291 if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
8f2a0601
JH		 1292 return;
1293
41c90c18 1294 memset(&cp, 0, sizeof(cp));
628531c9
GL		 1295 cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval);
1296 cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval);
c7d4883b
AU		 1297
1298 if (connectable)
1299 cp.type = LE_ADV_IND;
7b683b74 1300 else if (get_cur_adv_instance_scan_rsp_len(hdev))
c7d4883b
AU		 1301 cp.type = LE_ADV_SCAN_IND;
1302 else
1303 cp.type = LE_ADV_NONCONN_IND;
1304
8f2a0601 1305 cp.own_address_type = own_addr_type;
199a2fb1
JH		 1306 cp.channel_map = hdev->le_adv_channel_map;
1307
1308 hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
1309
1310 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1311}
1312
7d78525d
JH		 1313static void service_cache_off(struct work_struct *work)
1314{
1315 struct hci_dev *hdev = container_of(work, struct hci_dev,
04124681 1316 service_cache.work);
890ea898 1317 struct hci_request req;
7d78525d 1318
a69d8927 1319 if (!hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
7d78525d
JH		 1320 return;
1321
890ea898
JH		 1322 hci_req_init(&req, hdev);
1323
7d78525d
JH		 1324 hci_dev_lock(hdev);
1325
890ea898
JH		 1326 update_eir(&req);
1327 update_class(&req);
7d78525d
JH		 1328
1329 hci_dev_unlock(hdev);
890ea898
JH		 1330
1331 hci_req_run(&req, NULL);
7d78525d
JH		 1332}
1333
d6bfd59c
JH		 1334static void rpa_expired(struct work_struct *work)
1335{
1336 struct hci_dev *hdev = container_of(work, struct hci_dev,
1337 rpa_expired.work);
1338 struct hci_request req;
1339
1340 BT_DBG("");
1341
a1536da2 1342 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
d6bfd59c 1343
d7a5a11d 1344 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING))
d6bfd59c
JH		 1345 return;
1346
1347 /* The generation of a new RPA and programming it into the
1348 * controller happens in the enable_advertising() function.
1349 */
d6bfd59c 1350 hci_req_init(&req, hdev);
d6bfd59c 1351 enable_advertising(&req);
d6bfd59c
JH		 1352 hci_req_run(&req, NULL);
1353}
1354
6a919082 1355static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
7d78525d 1356{
238be788 1357 if (hci_dev_test_and_set_flag(hdev, HCI_MGMT))
6a919082
JH		 1358 return;
1359
4f87da80 1360 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
d6bfd59c 1361 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
7d78525d 1362
4f87da80
JH		 1363 /* Non-mgmt controlled devices get this bit set
1364 * implicitly so that pairing works for them, however
1365 * for mgmt we require user-space to explicitly enable
1366 * it
1367 */
a358dc11 1368 hci_dev_clear_flag(hdev, HCI_BONDABLE);
7d78525d
JH		 1369}
1370
0f4e68cf 1371static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
04124681 1372 void *data, u16 data_len)
0381101f 1373{
a38528f1 1374 struct mgmt_rp_read_info rp;
f7b64e69 1375
bdb6d971 1376 BT_DBG("sock %p %s", sk, hdev->name);
f7b64e69 1377
09fd0de5 1378 hci_dev_lock(hdev);
f7b64e69 1379
dc4fe30b
JH		 1380 memset(&rp, 0, sizeof(rp));
1381
69ab39ea 1382 bacpy(&rp.bdaddr, &hdev->bdaddr);
f7b64e69 1383
69ab39ea 1384 rp.version = hdev->hci_ver;
eb55ef07 1385 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
69ab39ea
JH		 1386
1387 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
1388 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
f7b64e69 1389
a38528f1 1390 memcpy(rp.dev_class, hdev->dev_class, 3);
f7b64e69 1391
dc4fe30b 1392 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
27fcc362 1393 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
dc4fe30b 1394
09fd0de5 1395 hci_dev_unlock(hdev);
0381101f 1396
2a1afb5a
JH		 1397 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
1398 sizeof(rp));
0381101f
JH		 1399}
1400
69ab39ea 1401static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
8680570b 1402{
69ab39ea 1403 __le32 settings = cpu_to_le32(get_current_settings(hdev));
8680570b 1404
2a1afb5a
JH		 1405 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &settings,
1406 sizeof(settings));
8680570b
JH		 1407}
1408
1904a853 1409static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode)
8b064a3a
JH		 1410{
1411 BT_DBG("%s status 0x%02x", hdev->name, status);
1412
a3172b7e
JH		 1413 if (hci_conn_count(hdev) == 0) {
1414 cancel_delayed_work(&hdev->power_off);
8b064a3a 1415 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 1416 }
8b064a3a
JH		 1417}
1418
23a48093 1419static bool hci_stop_discovery(struct hci_request *req)
21a60d30
JH		 1420{
1421 struct hci_dev *hdev = req->hdev;
1422 struct hci_cp_remote_name_req_cancel cp;
1423 struct inquiry_entry *e;
1424
1425 switch (hdev->discovery.state) {
1426 case DISCOVERY_FINDING:
07d2334a 1427 if (test_bit(HCI_INQUIRY, &hdev->flags))
21a60d30 1428 hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
07d2334a
JP		 1429
1430 if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
21a60d30
JH		 1431 cancel_delayed_work(&hdev->le_scan_disable);
1432 hci_req_add_le_scan_disable(req);
1433 }
1434
23a48093 1435 return true;
21a60d30
JH		 1436
1437 case DISCOVERY_RESOLVING:
1438 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
1439 NAME_PENDING);
1440 if (!e)
23a48093 1441 break;
21a60d30
JH		 1442
1443 bacpy(&cp.bdaddr, &e->data.bdaddr);
1444 hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
1445 &cp);
1446
23a48093 1447 return true;
21a60d30
JH		 1448
1449 default:
1450 /* Passive scanning */
d7a5a11d 1451 if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
21a60d30 1452 hci_req_add_le_scan_disable(req);
23a48093
JH		 1453 return true;
1454 }
1455
21a60d30
JH		 1456 break;
1457 }
23a48093
JH		 1458
1459 return false;
21a60d30
JH		 1460}
1461
912098a6
AU		 1462static void advertising_added(struct sock *sk, struct hci_dev *hdev,
1463 u8 instance)
1464{
1465 struct mgmt_ev_advertising_added ev;
1466
1467 ev.instance = instance;
1468
1469 mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk);
1470}
1471
1472static void advertising_removed(struct sock *sk, struct hci_dev *hdev,
1473 u8 instance)
1474{
1475 struct mgmt_ev_advertising_removed ev;
1476
1477 ev.instance = instance;
1478
1479 mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk);
1480}
1481
7816b820
FG		 1482static int schedule_adv_instance(struct hci_request *req, u8 instance,
1483 bool force) {
1484 struct hci_dev *hdev = req->hdev;
1485 struct adv_info *adv_instance = NULL;
1486 u16 timeout;
1487
1488 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
1489 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
1490 return -EPERM;
1491
1492 if (hdev->adv_instance_timeout)
1493 return -EBUSY;
1494
1495 adv_instance = hci_find_adv_instance(hdev, instance);
1496 if (!adv_instance)
1497 return -ENOENT;
1498
1499 /* A zero timeout means unlimited advertising. As long as there is
1500 * only one instance, duration should be ignored. We still set a timeout
1501 * in case further instances are being added later on.
1502 *
1503 * If the remaining lifetime of the instance is more than the duration
1504 * then the timeout corresponds to the duration, otherwise it will be
1505 * reduced to the remaining instance lifetime.
1506 */
1507 if (adv_instance->timeout == 0 ||
1508 adv_instance->duration <= adv_instance->remaining_time)
1509 timeout = adv_instance->duration;
1510 else
1511 timeout = adv_instance->remaining_time;
1512
1513 /* The remaining time is being reduced unless the instance is being
1514 * advertised without time limit.
1515 */
1516 if (adv_instance->timeout)
1517 adv_instance->remaining_time =
1518 adv_instance->remaining_time - timeout;
1519
1520 hdev->adv_instance_timeout = timeout;
1521 queue_delayed_work(hdev->workqueue,
1522 &hdev->adv_instance_expire,
1523 msecs_to_jiffies(timeout * 1000));
1524
1525 /* If we're just re-scheduling the same instance again then do not
1526 * execute any HCI commands. This happens when a single instance is
1527 * being advertised.
1528 */
1529 if (!force && hdev->cur_adv_instance == instance &&
1530 hci_dev_test_flag(hdev, HCI_LE_ADV))
1531 return 0;
1532
1533 hdev->cur_adv_instance = instance;
1534 update_adv_data(req);
1535 update_scan_rsp_data(req);
1536 enable_advertising(req);
1537
1538 return 0;
1539}
1540
1541static void cancel_adv_timeout(struct hci_dev *hdev)
1542{
1543 if (hdev->adv_instance_timeout) {
1544 hdev->adv_instance_timeout = 0;
1545 cancel_delayed_work(&hdev->adv_instance_expire);
1546 }
1547}
1548
847818d9
FG		 1549/* For a single instance:
1550 * - force == true: The instance will be removed even when its remaining
1551 * lifetime is not zero.
1552 * - force == false: the instance will be deactivated but kept stored unless
1553 * the remaining lifetime is zero.
1554 *
1555 * For instance == 0x00:
1556 * - force == true: All instances will be removed regardless of their timeout
1557 * setting.
1558 * - force == false: Only instances that have a timeout will be removed.
1559 */
1560static void clear_adv_instance(struct hci_dev *hdev, struct hci_request *req,
1561 u8 instance, bool force)
912098a6 1562{
847818d9
FG		 1563 struct adv_info *adv_instance, *n, *next_instance = NULL;
1564 int err;
1565 u8 rem_inst;
912098a6 1566
847818d9
FG		 1567 /* Cancel any timeout concerning the removed instance(s). */
1568 if (!instance || hdev->cur_adv_instance == instance)
1569 cancel_adv_timeout(hdev);
912098a6 1570
847818d9
FG		 1571 /* Get the next instance to advertise BEFORE we remove
1572 * the current one. This can be the same instance again
1573 * if there is only one instance.
1574 */
1575 if (instance && hdev->cur_adv_instance == instance)
1576 next_instance = hci_get_next_instance(hdev, instance);
912098a6 1577
847818d9
FG		 1578 if (instance == 0x00) {
1579 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances,
1580 list) {
1581 if (!(force || adv_instance->timeout))
1582 continue;
912098a6 1583
847818d9
FG		 1584 rem_inst = adv_instance->instance;
1585 err = hci_remove_adv_instance(hdev, rem_inst);
1586 if (!err)
1587 advertising_removed(NULL, hdev, rem_inst);
1588 }
1589 hdev->cur_adv_instance = 0x00;
1590 } else {
1591 adv_instance = hci_find_adv_instance(hdev, instance);
1592
1593 if (force || (adv_instance && adv_instance->timeout &&
1594 !adv_instance->remaining_time)) {
1595 /* Don't advertise a removed instance. */
1596 if (next_instance &&
1597 next_instance->instance == instance)
1598 next_instance = NULL;
1599
1600 err = hci_remove_adv_instance(hdev, instance);
1601 if (!err)
1602 advertising_removed(NULL, hdev, instance);
1603 }
1604 }
1605
1606 if (list_empty(&hdev->adv_instances)) {
1607 hdev->cur_adv_instance = 0x00;
1608 hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
1609 }
1610
1611 if (!req || !hdev_is_powered(hdev) ||
912098a6
AU		 1612 hci_dev_test_flag(hdev, HCI_ADVERTISING))
1613 return;
1614
847818d9
FG		 1615 if (next_instance)
1616 schedule_adv_instance(req, next_instance->instance, false);
912098a6
AU		 1617}
1618
8b064a3a
JH		 1619static int clean_up_hci_state(struct hci_dev *hdev)
1620{
1621 struct hci_request req;
1622 struct hci_conn *conn;
23a48093
JH		 1623 bool discov_stopped;
1624 int err;
8b064a3a
JH		 1625
1626 hci_req_init(&req, hdev);
1627
1628 if (test_bit(HCI_ISCAN, &hdev->flags) ||
1629 test_bit(HCI_PSCAN, &hdev->flags)) {
1630 u8 scan = 0x00;
1631 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1632 }
1633
847818d9 1634 clear_adv_instance(hdev, NULL, 0x00, false);
912098a6 1635
d7a5a11d 1636 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
8b064a3a
JH		 1637 disable_advertising(&req);
1638
23a48093 1639 discov_stopped = hci_stop_discovery(&req);
8b064a3a
JH		 1640
1641 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
89e0ccc8
JH		 1642 /* 0x15 == Terminated due to Power Off */
1643 __hci_abort_conn(&req, conn, 0x15);
8b064a3a
JH		 1644 }
1645
23a48093
JH		 1646 err = hci_req_run(&req, clean_up_hci_complete);
1647 if (!err && discov_stopped)
1648 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
1649
1650 return err;
8b064a3a
JH		 1651}
1652
bdb6d971 1653static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1654 u16 len)
eec8d2bc 1655{
650f726d 1656 struct mgmt_mode *cp = data;
3b0602cd 1657 struct mgmt_pending_cmd *cmd;
4b34ee78 1658 int err;
eec8d2bc 1659
bdb6d971 1660 BT_DBG("request for %s", hdev->name);
eec8d2bc 1661
a7e80f25 1662 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1663 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1664 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1665
09fd0de5 1666 hci_dev_lock(hdev);
eec8d2bc 1667
333ae95d 1668 if (pending_find(MGMT_OP_SET_POWERED, hdev)) {
a69e8375
JH		 1669 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1670 MGMT_STATUS_BUSY);
87b95ba6
JH		 1671 goto failed;
1672 }
1673
a69d8927 1674 if (hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF)) {
f0d4b78a
MH		 1675 cancel_delayed_work(&hdev->power_off);
1676
1677 if (cp->val) {
a1d70450
JH		 1678 mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
1679 data, len);
1680 err = mgmt_powered(hdev, 1);
f0d4b78a
MH		 1681 goto failed;
1682 }
1683 }
1684
4b34ee78 1685 if (!!cp->val == hdev_is_powered(hdev)) {
69ab39ea 1686 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
eec8d2bc
JH		 1687 goto failed;
1688 }
1689
2e58ef3e 1690 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
366a0336
JH		 1691 if (!cmd) {
1692 err = -ENOMEM;
eec8d2bc 1693 goto failed;
366a0336 1694 }
eec8d2bc 1695
8b064a3a 1696 if (cp->val) {
19202573 1697 queue_work(hdev->req_workqueue, &hdev->power_on);
8b064a3a
JH		 1698 err = 0;
1699 } else {
1700 /* Disconnect connections, stop scans, etc */
1701 err = clean_up_hci_state(hdev);
a3172b7e
JH		 1702 if (!err)
1703 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
1704 HCI_POWER_OFF_TIMEOUT);
eec8d2bc 1705
8b064a3a
JH		 1706 /* ENODATA means there were no HCI commands queued */
1707 if (err == -ENODATA) {
a3172b7e 1708 cancel_delayed_work(&hdev->power_off);
8b064a3a
JH		 1709 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1710 err = 0;
1711 }
1712 }
eec8d2bc
JH		 1713
1714failed:
09fd0de5 1715 hci_dev_unlock(hdev);
366a0336 1716 return err;
eec8d2bc
JH		 1717}
1718
beadb2bd
JH		 1719static int new_settings(struct hci_dev *hdev, struct sock *skip)
1720{
f6b7712e 1721 __le32 ev = cpu_to_le32(get_current_settings(hdev));
beadb2bd 1722
f6b7712e
MH		 1723 return mgmt_generic_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
1724 sizeof(ev), skip);
beadb2bd
JH		 1725}
1726
91a668b0
JH		 1727int mgmt_new_settings(struct hci_dev *hdev)
1728{
1729 return new_settings(hdev, NULL);
1730}
1731
bd99abdd
JH		 1732struct cmd_lookup {
1733 struct sock *sk;
1734 struct hci_dev *hdev;
1735 u8 mgmt_status;
1736};
1737
3b0602cd 1738static void settings_rsp(struct mgmt_pending_cmd *cmd, void *data)
bd99abdd
JH		 1739{
1740 struct cmd_lookup *match = data;
1741
1742 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1743
1744 list_del(&cmd->list);
1745
1746 if (match->sk == NULL) {
1747 match->sk = cmd->sk;
1748 sock_hold(match->sk);
1749 }
1750
1751 mgmt_pending_free(cmd);
1752}
1753
3b0602cd 1754static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data)
bd99abdd
JH		 1755{
1756 u8 *status = data;
1757
a69e8375 1758 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
bd99abdd
JH		 1759 mgmt_pending_remove(cmd);
1760}
1761
3b0602cd 1762static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data)
1b9b5ee5
JH		 1763{
1764 if (cmd->cmd_complete) {
1765 u8 *status = data;
1766
1767 cmd->cmd_complete(cmd, *status);
1768 mgmt_pending_remove(cmd);
1769
1770 return;
1771 }
1772
1773 cmd_status_rsp(cmd, data);
1774}
1775
3b0602cd 1776static int generic_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
f5818c22 1777{
2a1afb5a
JH		 1778 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1779 cmd->param, cmd->param_len);
f5818c22
JH		 1780}
1781
3b0602cd 1782static int addr_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
7776d1d8 1783{
2a1afb5a
JH		 1784 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1785 cmd->param, sizeof(struct mgmt_addr_info));
7776d1d8
JH		 1786}
1787
e6fe7986
JH		 1788static u8 mgmt_bredr_support(struct hci_dev *hdev)
1789{
1790 if (!lmp_bredr_capable(hdev))
1791 return MGMT_STATUS_NOT_SUPPORTED;
d7a5a11d 1792 else if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
e6fe7986
JH		 1793 return MGMT_STATUS_REJECTED;
1794 else
1795 return MGMT_STATUS_SUCCESS;
1796}
1797
1798static u8 mgmt_le_support(struct hci_dev *hdev)
1799{
1800 if (!lmp_le_capable(hdev))
1801 return MGMT_STATUS_NOT_SUPPORTED;
d7a5a11d 1802 else if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
e6fe7986
JH		 1803 return MGMT_STATUS_REJECTED;
1804 else
1805 return MGMT_STATUS_SUCCESS;
1806}
1807
1904a853
MH		 1808static void set_discoverable_complete(struct hci_dev *hdev, u8 status,
1809 u16 opcode)
bfaf8c9f 1810{
3b0602cd 1811 struct mgmt_pending_cmd *cmd;
bfaf8c9f 1812 struct mgmt_mode *cp;
970ba524 1813 struct hci_request req;
bfaf8c9f
JH		 1814 bool changed;
1815
1816 BT_DBG("status 0x%02x", status);
1817
1818 hci_dev_lock(hdev);
1819
333ae95d 1820 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
bfaf8c9f
JH		 1821 if (!cmd)
1822 goto unlock;
1823
1824 if (status) {
1825 u8 mgmt_err = mgmt_status(status);
a69e8375 1826 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
a358dc11 1827 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
bfaf8c9f
JH		 1828 goto remove_cmd;
1829 }
1830
1831 cp = cmd->param;
d4462a07 1832 if (cp->val) {
238be788 1833 changed = !hci_dev_test_and_set_flag(hdev, HCI_DISCOVERABLE);
d4462a07
MH		 1834
1835 if (hdev->discov_timeout > 0) {
1836 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1837 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
1838 to);
1839 }
1840 } else {
a69d8927 1841 changed = hci_dev_test_and_clear_flag(hdev, HCI_DISCOVERABLE);
d4462a07 1842 }
bfaf8c9f
JH		 1843
1844 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1845
1846 if (changed)
1847 new_settings(hdev, cmd->sk);
1848
970ba524
MH		 1849 /* When the discoverable mode gets changed, make sure
1850 * that class of device has the limited discoverable
432df05e
JH		 1851 * bit correctly set. Also update page scan based on whitelist
1852 * entries.
970ba524
MH		 1853 */
1854 hci_req_init(&req, hdev);
1d2dc5b7 1855 __hci_update_page_scan(&req);
970ba524
MH		 1856 update_class(&req);
1857 hci_req_run(&req, NULL);
1858
bfaf8c9f
JH		 1859remove_cmd:
1860 mgmt_pending_remove(cmd);
1861
1862unlock:
1863 hci_dev_unlock(hdev);
1864}
1865
bdb6d971 1866static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1867 u16 len)
73f22f62 1868{
650f726d 1869 struct mgmt_cp_set_discoverable *cp = data;
3b0602cd 1870 struct mgmt_pending_cmd *cmd;
bfaf8c9f 1871 struct hci_request req;
5e5282bb 1872 u16 timeout;
9a43e25f 1873 u8 scan;
73f22f62
JH		 1874 int err;
1875
bdb6d971 1876 BT_DBG("request for %s", hdev->name);
73f22f62 1877
d7a5a11d
MH		 1878 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
1879 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
a69e8375
JH		 1880 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1881 MGMT_STATUS_REJECTED);
33c525c0 1882
310a3d48 1883 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 1884 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1885 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1886
1f350c87 1887 timeout = __le16_to_cpu(cp->timeout);
310a3d48
MH		 1888
1889 /* Disabling discoverable requires that no timeout is set,
1890 * and enabling limited discoverable requires a timeout.
1891 */
1892 if ((cp->val == 0x00 && timeout > 0) ||
1893 (cp->val == 0x02 && timeout == 0))
a69e8375
JH		 1894 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1895 MGMT_STATUS_INVALID_PARAMS);
73f22f62 1896
09fd0de5 1897 hci_dev_lock(hdev);
73f22f62 1898
5e5282bb 1899 if (!hdev_is_powered(hdev) && timeout > 0) {
a69e8375
JH		 1900 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1901 MGMT_STATUS_NOT_POWERED);
73f22f62
JH		 1902 goto failed;
1903 }
1904
333ae95d
JH		 1905 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
1906 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
a69e8375
JH		 1907 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1908 MGMT_STATUS_BUSY);
73f22f62
JH		 1909 goto failed;
1910 }
1911
d7a5a11d 1912 if (!hci_dev_test_flag(hdev, HCI_CONNECTABLE)) {
a69e8375
JH		 1913 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1914 MGMT_STATUS_REJECTED);
5e5282bb
JH		 1915 goto failed;
1916 }
1917
1918 if (!hdev_is_powered(hdev)) {
0224d2fa
JH		 1919 bool changed = false;
1920
310a3d48
MH		 1921 /* Setting limited discoverable when powered off is
1922 * not a valid operation since it requires a timeout
1923 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1924 */
d7a5a11d 1925 if (!!cp->val != hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) {
ce05d603 1926 hci_dev_change_flag(hdev, HCI_DISCOVERABLE);
0224d2fa
JH		 1927 changed = true;
1928 }
1929
5e5282bb 1930 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
0224d2fa
JH		 1931 if (err < 0)
1932 goto failed;
1933
1934 if (changed)
1935 err = new_settings(hdev, sk);
1936
5e5282bb
JH		 1937 goto failed;
1938 }
1939
310a3d48
MH		 1940 /* If the current mode is the same, then just update the timeout
1941 * value with the new value. And if only the timeout gets updated,
1942 * then no need for any HCI transactions.
1943 */
d7a5a11d
MH		 1944 if (!!cp->val == hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
1945 (cp->val == 0x02) == hci_dev_test_flag(hdev,
1946 HCI_LIMITED_DISCOVERABLE)) {
36261547
MH		 1947 cancel_delayed_work(&hdev->discov_off);
1948 hdev->discov_timeout = timeout;
955638ec 1949
36261547
MH		 1950 if (cp->val && hdev->discov_timeout > 0) {
1951 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
955638ec 1952 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
36261547 1953 to);
955638ec
MH		 1954 }
1955
69ab39ea 1956 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
73f22f62
JH		 1957 goto failed;
1958 }
1959
2e58ef3e 1960 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
366a0336
JH		 1961 if (!cmd) {
1962 err = -ENOMEM;
73f22f62 1963 goto failed;
366a0336 1964 }
73f22f62 1965
310a3d48
MH		 1966 /* Cancel any potential discoverable timeout that might be
1967 * still active and store new timeout value. The arming of
1968 * the timeout happens in the complete handler.
1969 */
1970 cancel_delayed_work(&hdev->discov_off);
1971 hdev->discov_timeout = timeout;
1972
b456f87c
JH		 1973 /* Limited discoverable mode */
1974 if (cp->val == 0x02)
a1536da2 1975 hci_dev_set_flag(hdev, HCI_LIMITED_DISCOVERABLE);
b456f87c 1976 else
a358dc11 1977 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
b456f87c 1978
bfaf8c9f
JH		 1979 hci_req_init(&req, hdev);
1980
9a43e25f
JH		 1981 /* The procedure for LE-only controllers is much simpler - just
1982 * update the advertising data.
1983 */
d7a5a11d 1984 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
9a43e25f
JH		 1985 goto update_ad;
1986
73f22f62
JH		 1987 scan = SCAN_PAGE;
1988
310a3d48
MH		 1989 if (cp->val) {
1990 struct hci_cp_write_current_iac_lap hci_cp;
1991
1992 if (cp->val == 0x02) {
1993 /* Limited discoverable mode */
33337dcb 1994 hci_cp.num_iac = min_t(u8, hdev->num_iac, 2);
310a3d48
MH		 1995 hci_cp.iac_lap[0] = 0x00; /* LIAC */
1996 hci_cp.iac_lap[1] = 0x8b;
1997 hci_cp.iac_lap[2] = 0x9e;
1998 hci_cp.iac_lap[3] = 0x33; /* GIAC */
1999 hci_cp.iac_lap[4] = 0x8b;
2000 hci_cp.iac_lap[5] = 0x9e;
2001 } else {
2002 /* General discoverable mode */
310a3d48
MH		 2003 hci_cp.num_iac = 1;
2004 hci_cp.iac_lap[0] = 0x33; /* GIAC */
2005 hci_cp.iac_lap[1] = 0x8b;
2006 hci_cp.iac_lap[2] = 0x9e;
2007 }
2008
2009 hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP,
2010 (hci_cp.num_iac * 3) + 1, &hci_cp);
2011
73f22f62 2012 scan |= SCAN_INQUIRY;
310a3d48 2013 } else {
a358dc11 2014 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
310a3d48 2015 }
73f22f62 2016
310a3d48 2017 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
bfaf8c9f 2018
9a43e25f
JH		 2019update_ad:
2020 update_adv_data(&req);
2021
bfaf8c9f 2022 err = hci_req_run(&req, set_discoverable_complete);
73f22f62 2023 if (err < 0)
a664b5bc 2024 mgmt_pending_remove(cmd);
73f22f62
JH		 2025
2026failed:
09fd0de5 2027 hci_dev_unlock(hdev);
73f22f62
JH		 2028 return err;
2029}
2030
406d7804
JH		 2031static void write_fast_connectable(struct hci_request *req, bool enable)
2032{
bd98b996 2033 struct hci_dev *hdev = req->hdev;
406d7804
JH		 2034 struct hci_cp_write_page_scan_activity acp;
2035 u8 type;
2036
d7a5a11d 2037 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
547003b1
JH		 2038 return;
2039
4c01f8b8
JH		 2040 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
2041 return;
2042
406d7804
JH		 2043 if (enable) {
2044 type = PAGE_SCAN_TYPE_INTERLACED;
2045
2046 /* 160 msec page scan interval */
dcf4adbf 2047 acp.interval = cpu_to_le16(0x0100);
406d7804
JH		 2048 } else {
2049 type = PAGE_SCAN_TYPE_STANDARD; /* default */
2050
2051 /* default 1.28 sec page scan */
dcf4adbf 2052 acp.interval = cpu_to_le16(0x0800);
406d7804
JH		 2053 }
2054
dcf4adbf 2055 acp.window = cpu_to_le16(0x0012);
406d7804 2056
bd98b996
JH		 2057 if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
2058 __cpu_to_le16(hdev->page_scan_window) != acp.window)
2059 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
2060 sizeof(acp), &acp);
2061
2062 if (hdev->page_scan_type != type)
2063 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
406d7804
JH		 2064}
2065
1904a853
MH		 2066static void set_connectable_complete(struct hci_dev *hdev, u8 status,
2067 u16 opcode)
2b76f453 2068{
3b0602cd 2069 struct mgmt_pending_cmd *cmd;
d7b856f9 2070 struct mgmt_mode *cp;
bc6d2d04 2071 bool conn_changed, discov_changed;
2b76f453
JH		 2072
2073 BT_DBG("status 0x%02x", status);
2074
2075 hci_dev_lock(hdev);
2076
333ae95d 2077 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
2b76f453
JH		 2078 if (!cmd)
2079 goto unlock;
2080
37438c1f
JH		 2081 if (status) {
2082 u8 mgmt_err = mgmt_status(status);
a69e8375 2083 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
37438c1f
JH		 2084 goto remove_cmd;
2085 }
2086
d7b856f9 2087 cp = cmd->param;
bc6d2d04 2088 if (cp->val) {
238be788
MH		 2089 conn_changed = !hci_dev_test_and_set_flag(hdev,
2090 HCI_CONNECTABLE);
bc6d2d04
JH		 2091 discov_changed = false;
2092 } else {
a69d8927
MH		 2093 conn_changed = hci_dev_test_and_clear_flag(hdev,
2094 HCI_CONNECTABLE);
2095 discov_changed = hci_dev_test_and_clear_flag(hdev,
2096 HCI_DISCOVERABLE);
bc6d2d04 2097 }
d7b856f9 2098
2b76f453
JH		 2099 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
2100
bc6d2d04 2101 if (conn_changed || discov_changed) {
d7b856f9 2102 new_settings(hdev, cmd->sk);
1d2dc5b7 2103 hci_update_page_scan(hdev);
bc6d2d04
JH		 2104 if (discov_changed)
2105 mgmt_update_adv_data(hdev);
2b7be33e
JH		 2106 hci_update_background_scan(hdev);
2107 }
d7b856f9 2108
37438c1f 2109remove_cmd:
2b76f453
JH		 2110 mgmt_pending_remove(cmd);
2111
2112unlock:
2113 hci_dev_unlock(hdev);
2114}
2115
e8ba3a1f
JH		 2116static int set_connectable_update_settings(struct hci_dev *hdev,
2117 struct sock *sk, u8 val)
2118{
2119 bool changed = false;
2120 int err;
2121
d7a5a11d 2122 if (!!val != hci_dev_test_flag(hdev, HCI_CONNECTABLE))
e8ba3a1f
JH		 2123 changed = true;
2124
2125 if (val) {
a1536da2 2126 hci_dev_set_flag(hdev, HCI_CONNECTABLE);
e8ba3a1f 2127 } else {
a358dc11
MH		 2128 hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
2129 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
e8ba3a1f
JH		 2130 }
2131
2132 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
2133 if (err < 0)
2134 return err;
2135
562064e6 2136 if (changed) {
1d2dc5b7 2137 hci_update_page_scan(hdev);
562064e6 2138 hci_update_background_scan(hdev);
e8ba3a1f 2139 return new_settings(hdev, sk);
562064e6 2140 }
e8ba3a1f
JH		 2141
2142 return 0;
2143}
2144
bdb6d971 2145static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2146 u16 len)
9fbcbb45 2147{
650f726d 2148 struct mgmt_mode *cp = data;
3b0602cd 2149 struct mgmt_pending_cmd *cmd;
2b76f453 2150 struct hci_request req;
1987fdc7 2151 u8 scan;
9fbcbb45
JH		 2152 int err;
2153
bdb6d971 2154 BT_DBG("request for %s", hdev->name);
9fbcbb45 2155
d7a5a11d
MH		 2156 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
2157 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
a69e8375
JH		 2158 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2159 MGMT_STATUS_REJECTED);
33c525c0 2160
a7e80f25 2161 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2162 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2163 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2164
09fd0de5 2165 hci_dev_lock(hdev);
9fbcbb45 2166
4b34ee78 2167 if (!hdev_is_powered(hdev)) {
e8ba3a1f 2168 err = set_connectable_update_settings(hdev, sk, cp->val);
9fbcbb45
JH		 2169 goto failed;
2170 }
2171
333ae95d
JH		 2172 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
2173 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
a69e8375
JH		 2174 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2175 MGMT_STATUS_BUSY);
9fbcbb45
JH		 2176 goto failed;
2177 }
2178
2e58ef3e 2179 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
366a0336
JH		 2180 if (!cmd) {
2181 err = -ENOMEM;
9fbcbb45 2182 goto failed;
366a0336 2183 }
9fbcbb45 2184
9b74246f 2185 hci_req_init(&req, hdev);
9fbcbb45 2186
9a43e25f
JH		 2187 /* If BR/EDR is not enabled and we disable advertising as a
2188 * by-product of disabling connectable, we need to update the
2189 * advertising flags.
2190 */
d7a5a11d 2191 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
9a43e25f 2192 if (!cp->val) {
a358dc11
MH		 2193 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
2194 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
9a43e25f
JH		 2195 }
2196 update_adv_data(&req);
2197 } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
9b74246f
JH		 2198 if (cp->val) {
2199 scan = SCAN_PAGE;
2200 } else {
3bd27240
JH		 2201 /* If we don't have any whitelist entries just
2202 * disable all scanning. If there are entries
2203 * and we had both page and inquiry scanning
2204 * enabled then fall back to only page scanning.
2205 * Otherwise no changes are needed.
2206 */
2207 if (list_empty(&hdev->whitelist))
2208 scan = SCAN_DISABLED;
2209 else if (test_bit(HCI_ISCAN, &hdev->flags))
2210 scan = SCAN_PAGE;
2211 else
2212 goto no_scan_update;
9b74246f
JH		 2213
2214 if (test_bit(HCI_ISCAN, &hdev->flags) &&
8d6083fe 2215 hdev->discov_timeout > 0)
9b74246f
JH		 2216 cancel_delayed_work(&hdev->discov_off);
2217 }
2b76f453 2218
9b74246f
JH		 2219 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
2220 }
2b76f453 2221
3bd27240 2222no_scan_update:
e8b1202c 2223 /* Update the advertising parameters if necessary */
880897d4
AU		 2224 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
2225 hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
1987fdc7 2226 enable_advertising(&req);
1987fdc7 2227
2b76f453 2228 err = hci_req_run(&req, set_connectable_complete);
9b74246f 2229 if (err < 0) {
a664b5bc 2230 mgmt_pending_remove(cmd);
9b74246f 2231 if (err == -ENODATA)
a81070ba
JH		 2232 err = set_connectable_update_settings(hdev, sk,
2233 cp->val);
9b74246f
JH		 2234 goto failed;
2235 }
9fbcbb45
JH		 2236
2237failed:
09fd0de5 2238 hci_dev_unlock(hdev);
9fbcbb45
JH		 2239 return err;
2240}
2241
b2939475 2242static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2243 u16 len)
c542a06c 2244{
650f726d 2245 struct mgmt_mode *cp = data;
55594356 2246 bool changed;
c542a06c
JH		 2247 int err;
2248
bdb6d971 2249 BT_DBG("request for %s", hdev->name);
c542a06c 2250
a7e80f25 2251 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2252 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
2253 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2254
09fd0de5 2255 hci_dev_lock(hdev);
c542a06c
JH		 2256
2257 if (cp->val)
238be788 2258 changed = !hci_dev_test_and_set_flag(hdev, HCI_BONDABLE);
c542a06c 2259 else
a69d8927 2260 changed = hci_dev_test_and_clear_flag(hdev, HCI_BONDABLE);
c542a06c 2261
b2939475 2262 err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
c542a06c 2263 if (err < 0)
55594356 2264 goto unlock;
c542a06c 2265
55594356
MH		 2266 if (changed)
2267 err = new_settings(hdev, sk);
c542a06c 2268
55594356 2269unlock:
09fd0de5 2270 hci_dev_unlock(hdev);
c542a06c
JH		 2271 return err;
2272}
2273
04124681
GP		 2274static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
2275 u16 len)
33ef95ed
JH		 2276{
2277 struct mgmt_mode *cp = data;
3b0602cd 2278 struct mgmt_pending_cmd *cmd;
e6fe7986 2279 u8 val, status;
33ef95ed
JH		 2280 int err;
2281
bdb6d971 2282 BT_DBG("request for %s", hdev->name);
33ef95ed 2283
e6fe7986
JH		 2284 status = mgmt_bredr_support(hdev);
2285 if (status)
a69e8375
JH		 2286 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2287 status);
33c525c0 2288
a7e80f25 2289 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2290 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2291 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2292
33ef95ed
JH		 2293 hci_dev_lock(hdev);
2294
4b34ee78 2295 if (!hdev_is_powered(hdev)) {
47990ea0
JH		 2296 bool changed = false;
2297
d7a5a11d 2298 if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) {
ce05d603 2299 hci_dev_change_flag(hdev, HCI_LINK_SECURITY);
47990ea0
JH		 2300 changed = true;
2301 }
2302
2303 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2304 if (err < 0)
2305 goto failed;
2306
2307 if (changed)
2308 err = new_settings(hdev, sk);
2309
33ef95ed
JH		 2310 goto failed;
2311 }
2312
333ae95d 2313 if (pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
a69e8375
JH		 2314 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2315 MGMT_STATUS_BUSY);
33ef95ed
JH		 2316 goto failed;
2317 }
2318
2319 val = !!cp->val;
2320
2321 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
2322 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2323 goto failed;
2324 }
2325
2326 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
2327 if (!cmd) {
2328 err = -ENOMEM;
2329 goto failed;
2330 }
2331
2332 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
2333 if (err < 0) {
2334 mgmt_pending_remove(cmd);
2335 goto failed;
2336 }
2337
2338failed:
2339 hci_dev_unlock(hdev);
33ef95ed
JH		 2340 return err;
2341}
2342
bdb6d971 2343static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH		 2344{
2345 struct mgmt_mode *cp = data;
3b0602cd 2346 struct mgmt_pending_cmd *cmd;
72ef0c1a 2347 u8 status;
ed2c4ee3
JH		 2348 int err;
2349
bdb6d971 2350 BT_DBG("request for %s", hdev->name);
ed2c4ee3 2351
cdba5281
MH		 2352 status = mgmt_bredr_support(hdev);
2353 if (status)
a69e8375 2354 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
cdba5281 2355
13ecd8b6 2356 if (!lmp_ssp_capable(hdev))
a69e8375
JH		 2357 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2358 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 2359
a7e80f25 2360 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2361 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2362 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2363
13ecd8b6 2364 hci_dev_lock(hdev);
6c8f12c1 2365
4b34ee78 2366 if (!hdev_is_powered(hdev)) {
9ecb3e24 2367 bool changed;
c0ecddc2 2368
9ecb3e24 2369 if (cp->val) {
238be788
MH		 2370 changed = !hci_dev_test_and_set_flag(hdev,
2371 HCI_SSP_ENABLED);
9ecb3e24 2372 } else {
a69d8927
MH		 2373 changed = hci_dev_test_and_clear_flag(hdev,
2374 HCI_SSP_ENABLED);
9ecb3e24 2375 if (!changed)
a69d8927
MH		 2376 changed = hci_dev_test_and_clear_flag(hdev,
2377 HCI_HS_ENABLED);
9ecb3e24 2378 else
a358dc11 2379 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
c0ecddc2
JH		 2380 }
2381
2382 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2383 if (err < 0)
2384 goto failed;
2385
2386 if (changed)
2387 err = new_settings(hdev, sk);
2388
ed2c4ee3
JH		 2389 goto failed;
2390 }
2391
333ae95d 2392 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
a69e8375
JH		 2393 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2394 MGMT_STATUS_BUSY);
ed2c4ee3
JH		 2395 goto failed;
2396 }
2397
d7a5a11d 2398 if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
ed2c4ee3
JH		 2399 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2400 goto failed;
2401 }
2402
2403 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
2404 if (!cmd) {
2405 err = -ENOMEM;
2406 goto failed;
2407 }
2408
d7a5a11d 2409 if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 2410 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
2411 sizeof(cp->val), &cp->val);
2412
72ef0c1a 2413 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
ed2c4ee3
JH		 2414 if (err < 0) {
2415 mgmt_pending_remove(cmd);
2416 goto failed;
2417 }
2418
2419failed:
2420 hci_dev_unlock(hdev);
ed2c4ee3
JH		 2421 return err;
2422}
2423
bdb6d971 2424static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH		 2425{
2426 struct mgmt_mode *cp = data;
ee392693 2427 bool changed;
e6fe7986 2428 u8 status;
ee392693 2429 int err;
6d80dfd0 2430
bdb6d971 2431 BT_DBG("request for %s", hdev->name);
6d80dfd0 2432
e6fe7986
JH		 2433 status = mgmt_bredr_support(hdev);
2434 if (status)
a69e8375 2435 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
6d80dfd0 2436
9ecb3e24 2437 if (!lmp_ssp_capable(hdev))
a69e8375
JH		 2438 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2439 MGMT_STATUS_NOT_SUPPORTED);
9ecb3e24 2440
d7a5a11d 2441 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 2442 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2443 MGMT_STATUS_REJECTED);
9ecb3e24 2444
a7e80f25 2445 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2446 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2447 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2448
ee392693
MH		 2449 hci_dev_lock(hdev);
2450
333ae95d 2451 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
a69e8375
JH		 2452 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2453 MGMT_STATUS_BUSY);
a2cb01de
JH		 2454 goto unlock;
2455 }
2456
a0cdf960 2457 if (cp->val) {
238be788 2458 changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED);
a0cdf960
MH		 2459 } else {
2460 if (hdev_is_powered(hdev)) {
a69e8375
JH		 2461 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2462 MGMT_STATUS_REJECTED);
a0cdf960
MH		 2463 goto unlock;
2464 }
2465
a69d8927 2466 changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED);
a0cdf960 2467 }
ee392693
MH		 2468
2469 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
2470 if (err < 0)
2471 goto unlock;
2472
2473 if (changed)
2474 err = new_settings(hdev, sk);
6d80dfd0 2475
ee392693
MH		 2476unlock:
2477 hci_dev_unlock(hdev);
2478 return err;
6d80dfd0
JH		 2479}
2480
1904a853 2481static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
416a4ae5
JH		 2482{
2483 struct cmd_lookup match = { NULL, hdev };
2484
3ad67582
JK		 2485 hci_dev_lock(hdev);
2486
416a4ae5
JH		 2487 if (status) {
2488 u8 mgmt_err = mgmt_status(status);
2489
2490 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
2491 &mgmt_err);
3ad67582 2492 goto unlock;
416a4ae5
JH		 2493 }
2494
2495 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
2496
2497 new_settings(hdev, match.sk);
2498
2499 if (match.sk)
2500 sock_put(match.sk);
441ad2d0
MH		 2501
2502 /* Make sure the controller has a good default for
2503 * advertising data. Restrict the update to when LE
2504 * has actually been enabled. During power on, the
2505 * update in powered_update_hci will take care of it.
2506 */
d7a5a11d 2507 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
441ad2d0
MH		 2508 struct hci_request req;
2509
441ad2d0 2510 hci_req_init(&req, hdev);
5947f4bc 2511 update_adv_data(&req);
f14d8f64 2512 update_scan_rsp_data(&req);
441ad2d0 2513 hci_req_run(&req, NULL);
2e93e53b 2514 hci_update_background_scan(hdev);
441ad2d0 2515 }
3ad67582
JK		 2516
2517unlock:
2518 hci_dev_unlock(hdev);
416a4ae5
JH		 2519}
2520
bdb6d971 2521static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH		 2522{
2523 struct mgmt_mode *cp = data;
2524 struct hci_cp_write_le_host_supported hci_cp;
3b0602cd 2525 struct mgmt_pending_cmd *cmd;
416a4ae5 2526 struct hci_request req;
06199cf8 2527 int err;
0b60eba1 2528 u8 val, enabled;
06199cf8 2529
bdb6d971 2530 BT_DBG("request for %s", hdev->name);
06199cf8 2531
13ecd8b6 2532 if (!lmp_le_capable(hdev))
a69e8375
JH		 2533 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2534 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 2535
a7e80f25 2536 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2537 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2538 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2539
e7844ee5
MH		 2540 /* Bluetooth single mode LE only controllers or dual-mode
2541 * controllers configured as LE only devices, do not allow
2542 * switching LE off. These have either LE enabled explicitly
2543 * or BR/EDR has been previously switched off.
2544 *
2545 * When trying to enable an already enabled LE, then gracefully
2546 * send a positive response. Trying to disable it however will
2547 * result into rejection.
2548 */
2549 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
2550 if (cp->val == 0x01)
2551 return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2552
a69e8375
JH		 2553 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2554 MGMT_STATUS_REJECTED);
e7844ee5 2555 }
c73eee91 2556
13ecd8b6 2557 hci_dev_lock(hdev);
06199cf8
JH		 2558
2559 val = !!cp->val;
ffa88e02 2560 enabled = lmp_host_le_capable(hdev);
06199cf8 2561
847818d9
FG		 2562 if (!val)
2563 clear_adv_instance(hdev, NULL, 0x00, true);
2564
0b60eba1 2565 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH		 2566 bool changed = false;
2567
d7a5a11d 2568 if (val != hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
ce05d603 2569 hci_dev_change_flag(hdev, HCI_LE_ENABLED);
06199cf8
JH		 2570 changed = true;
2571 }
2572
d7a5a11d 2573 if (!val && hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
a358dc11 2574 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
eeca6f89
JH		 2575 changed = true;
2576 }
2577
06199cf8
JH		 2578 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2579 if (err < 0)
1de028ce 2580 goto unlock;
06199cf8
JH		 2581
2582 if (changed)
2583 err = new_settings(hdev, sk);
2584
1de028ce 2585 goto unlock;
06199cf8
JH		 2586 }
2587
333ae95d
JH		 2588 if (pending_find(MGMT_OP_SET_LE, hdev) ||
2589 pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
a69e8375
JH		 2590 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2591 MGMT_STATUS_BUSY);
1de028ce 2592 goto unlock;
06199cf8
JH		 2593 }
2594
2595 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
2596 if (!cmd) {
2597 err = -ENOMEM;
1de028ce 2598 goto unlock;
06199cf8
JH		 2599 }
2600
441ad2d0
MH		 2601 hci_req_init(&req, hdev);
2602
06199cf8
JH		 2603 memset(&hci_cp, 0, sizeof(hci_cp));
2604
2605 if (val) {
2606 hci_cp.le = val;
32226e4f 2607 hci_cp.simul = 0x00;
441ad2d0 2608 } else {
d7a5a11d 2609 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
441ad2d0 2610 disable_advertising(&req);
06199cf8
JH		 2611 }
2612
416a4ae5
JH		 2613 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
2614 &hci_cp);
2615
2616 err = hci_req_run(&req, le_enable_complete);
0c01bc48 2617 if (err < 0)
06199cf8 2618 mgmt_pending_remove(cmd);
06199cf8 2619
1de028ce
JH		 2620unlock:
2621 hci_dev_unlock(hdev);
06199cf8
JH		 2622 return err;
2623}
2624
0cab9c80
JH		 2625/* This is a helper function to test for pending mgmt commands that can
2626 * cause CoD or EIR HCI commands. We can only allow one such pending
2627 * mgmt command at a time since otherwise we cannot easily track what
2628 * the current values are, will be, and based on that calculate if a new
2629 * HCI command needs to be sent and if yes with what value.
2630 */
2631static bool pending_eir_or_class(struct hci_dev *hdev)
2632{
3b0602cd 2633 struct mgmt_pending_cmd *cmd;
0cab9c80
JH		 2634
2635 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2636 switch (cmd->opcode) {
2637 case MGMT_OP_ADD_UUID:
2638 case MGMT_OP_REMOVE_UUID:
2639 case MGMT_OP_SET_DEV_CLASS:
2640 case MGMT_OP_SET_POWERED:
2641 return true;
2642 }
2643 }
2644
2645 return false;
2646}
2647
83be8eca
JH		 2648static const u8 bluetooth_base_uuid[] = {
2649 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
2650 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2651};
2652
2653static u8 get_uuid_size(const u8 *uuid)
2654{
2655 u32 val;
2656
2657 if (memcmp(uuid, bluetooth_base_uuid, 12))
2658 return 128;
2659
2660 val = get_unaligned_le32(&uuid[12]);
2661 if (val > 0xffff)
2662 return 32;
2663
2664 return 16;
2665}
2666
92da6097
JH		 2667static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
2668{
3b0602cd 2669 struct mgmt_pending_cmd *cmd;
92da6097
JH		 2670
2671 hci_dev_lock(hdev);
2672
333ae95d 2673 cmd = pending_find(mgmt_op, hdev);
92da6097
JH		 2674 if (!cmd)
2675 goto unlock;
2676
2a1afb5a
JH		 2677 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
2678 mgmt_status(status), hdev->dev_class, 3);
92da6097
JH		 2679
2680 mgmt_pending_remove(cmd);
2681
2682unlock:
2683 hci_dev_unlock(hdev);
2684}
2685
1904a853 2686static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 2687{
2688 BT_DBG("status 0x%02x", status);
2689
2690 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
2691}
2692
bdb6d971 2693static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 2694{
650f726d 2695 struct mgmt_cp_add_uuid *cp = data;
3b0602cd 2696 struct mgmt_pending_cmd *cmd;
890ea898 2697 struct hci_request req;
2aeb9a1a 2698 struct bt_uuid *uuid;
2aeb9a1a
JH		 2699 int err;
2700
bdb6d971 2701 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2702
09fd0de5 2703 hci_dev_lock(hdev);
2aeb9a1a 2704
0cab9c80 2705 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2706 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
2707 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2708 goto failed;
2709 }
2710
92c4c204 2711 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH		 2712 if (!uuid) {
2713 err = -ENOMEM;
2714 goto failed;
2715 }
2716
2717 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 2718 uuid->svc_hint = cp->svc_hint;
83be8eca 2719 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 2720
de66aa63 2721 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 2722
890ea898 2723 hci_req_init(&req, hdev);
1aff6f09 2724
890ea898
JH		 2725 update_class(&req);
2726 update_eir(&req);
2727
92da6097
JH		 2728 err = hci_req_run(&req, add_uuid_complete);
2729 if (err < 0) {
2730 if (err != -ENODATA)
2731 goto failed;
80a1e1db 2732
2a1afb5a
JH		 2733 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
2734 hdev->dev_class, 3);
90e70454
JH		 2735 goto failed;
2736 }
2737
2738 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 2739 if (!cmd) {
90e70454 2740 err = -ENOMEM;
890ea898
JH		 2741 goto failed;
2742 }
2743
2744 err = 0;
2aeb9a1a
JH		 2745
2746failed:
09fd0de5 2747 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2748 return err;
2749}
2750
24b78d0f
JH		 2751static bool enable_service_cache(struct hci_dev *hdev)
2752{
2753 if (!hdev_is_powered(hdev))
2754 return false;
2755
238be788 2756 if (!hci_dev_test_and_set_flag(hdev, HCI_SERVICE_CACHE)) {
46818ed5
JH		 2757 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
2758 CACHE_TIMEOUT);
24b78d0f
JH		 2759 return true;
2760 }
2761
2762 return false;
2763}
2764
1904a853 2765static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 2766{
2767 BT_DBG("status 0x%02x", status);
2768
2769 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
2770}
2771
bdb6d971 2772static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2773 u16 len)
2aeb9a1a 2774{
650f726d 2775 struct mgmt_cp_remove_uuid *cp = data;
3b0602cd 2776 struct mgmt_pending_cmd *cmd;
056341c8 2777 struct bt_uuid *match, *tmp;
2aeb9a1a 2778 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 2779 struct hci_request req;
2aeb9a1a
JH		 2780 int err, found;
2781
bdb6d971 2782 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2783
09fd0de5 2784 hci_dev_lock(hdev);
2aeb9a1a 2785
0cab9c80 2786 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2787 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
2788 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2789 goto unlock;
2790 }
2791
2aeb9a1a 2792 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
35f7498a 2793 hci_uuids_clear(hdev);
4004b6d9 2794
24b78d0f 2795 if (enable_service_cache(hdev)) {
2a1afb5a
JH		 2796 err = mgmt_cmd_complete(sk, hdev->id,
2797 MGMT_OP_REMOVE_UUID,
2798 0, hdev->dev_class, 3);
24b78d0f
JH		 2799 goto unlock;
2800 }
4004b6d9 2801
9246a869 2802 goto update_class;
2aeb9a1a
JH		 2803 }
2804
2805 found = 0;
2806
056341c8 2807 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH		 2808 if (memcmp(match->uuid, cp->uuid, 16) != 0)
2809 continue;
2810
2811 list_del(&match->list);
482049f7 2812 kfree(match);
2aeb9a1a
JH		 2813 found++;
2814 }
2815
2816 if (found == 0) {
a69e8375
JH		 2817 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
2818 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH		 2819 goto unlock;
2820 }
2821
9246a869 2822update_class:
890ea898 2823 hci_req_init(&req, hdev);
1aff6f09 2824
890ea898
JH		 2825 update_class(&req);
2826 update_eir(&req);
2827
92da6097
JH		 2828 err = hci_req_run(&req, remove_uuid_complete);
2829 if (err < 0) {
2830 if (err != -ENODATA)
2831 goto unlock;
80a1e1db 2832
2a1afb5a
JH		 2833 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
2834 hdev->dev_class, 3);
90e70454
JH		 2835 goto unlock;
2836 }
2837
2838 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 2839 if (!cmd) {
90e70454 2840 err = -ENOMEM;
890ea898
JH		 2841 goto unlock;
2842 }
2843
2844 err = 0;
2aeb9a1a
JH		 2845
2846unlock:
09fd0de5 2847 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2848 return err;
2849}
2850
1904a853 2851static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 2852{
2853 BT_DBG("status 0x%02x", status);
2854
2855 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
2856}
2857
bdb6d971 2858static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2859 u16 len)
1aff6f09 2860{
650f726d 2861 struct mgmt_cp_set_dev_class *cp = data;
3b0602cd 2862 struct mgmt_pending_cmd *cmd;
890ea898 2863 struct hci_request req;
1aff6f09
JH		 2864 int err;
2865
bdb6d971 2866 BT_DBG("request for %s", hdev->name);
1aff6f09 2867
6203fc98 2868 if (!lmp_bredr_capable(hdev))
a69e8375
JH		 2869 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2870 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 2871
0cab9c80 2872 hci_dev_lock(hdev);
ee98f473 2873
0cab9c80 2874 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2875 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2876 MGMT_STATUS_BUSY);
0cab9c80
JH		 2877 goto unlock;
2878 }
c95f0ba7 2879
0cab9c80 2880 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
a69e8375
JH		 2881 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2882 MGMT_STATUS_INVALID_PARAMS);
0cab9c80
JH		 2883 goto unlock;
2884 }
575b3a02 2885
932f5ff5
JH		 2886 hdev->major_class = cp->major;
2887 hdev->minor_class = cp->minor;
2888
b5235a65 2889 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2890 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2891 hdev->dev_class, 3);
b5235a65
JH		 2892 goto unlock;
2893 }
2894
890ea898
JH		 2895 hci_req_init(&req, hdev);
2896
a69d8927 2897 if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) {
7d78525d
JH		 2898 hci_dev_unlock(hdev);
2899 cancel_delayed_work_sync(&hdev->service_cache);
2900 hci_dev_lock(hdev);
890ea898 2901 update_eir(&req);
7d78525d 2902 }
14c0b608 2903
890ea898
JH		 2904 update_class(&req);
2905
92da6097
JH		 2906 err = hci_req_run(&req, set_class_complete);
2907 if (err < 0) {
2908 if (err != -ENODATA)
2909 goto unlock;
1aff6f09 2910
2a1afb5a
JH		 2911 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2912 hdev->dev_class, 3);
90e70454
JH		 2913 goto unlock;
2914 }
2915
2916 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 2917 if (!cmd) {
90e70454 2918 err = -ENOMEM;
890ea898
JH		 2919 goto unlock;
2920 }
2921
2922 err = 0;
1aff6f09 2923
b5235a65 2924unlock:
09fd0de5 2925 hci_dev_unlock(hdev);
1aff6f09
JH		 2926 return err;
2927}
2928
bdb6d971 2929static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2930 u16 len)
55ed8ca1 2931{
650f726d 2932 struct mgmt_cp_load_link_keys *cp = data;
ba1d6936
JH		 2933 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2934 sizeof(struct mgmt_link_key_info));
4e51eae9 2935 u16 key_count, expected_len;
b1de97d8 2936 bool changed;
a492cd52 2937 int i;
55ed8ca1 2938
9060d5cf
MH		 2939 BT_DBG("request for %s", hdev->name);
2940
2941 if (!lmp_bredr_capable(hdev))
a69e8375
JH		 2942 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2943 MGMT_STATUS_NOT_SUPPORTED);
9060d5cf 2944
1f350c87 2945 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 2946 if (key_count > max_key_count) {
2947 BT_ERR("load_link_keys: too big key_count value %u",
2948 key_count);
a69e8375
JH		 2949 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2950 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 2951 }
55ed8ca1 2952
86742e1e
JH		 2953 expected_len = sizeof(*cp) + key_count *
2954 sizeof(struct mgmt_link_key_info);
a492cd52 2955 if (expected_len != len) {
86742e1e 2956 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2606ecbc 2957 expected_len, len);
a69e8375
JH		 2958 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2959 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH		 2960 }
2961
4ae14301 2962 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
a69e8375
JH		 2963 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2964 MGMT_STATUS_INVALID_PARAMS);
4ae14301 2965
bdb6d971 2966 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 2967 key_count);
55ed8ca1 2968
4ee71b20
JH		 2969 for (i = 0; i < key_count; i++) {
2970 struct mgmt_link_key_info *key = &cp->keys[i];
2971
8e991132 2972 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
a69e8375
JH		 2973 return mgmt_cmd_status(sk, hdev->id,
2974 MGMT_OP_LOAD_LINK_KEYS,
2975 MGMT_STATUS_INVALID_PARAMS);
4ee71b20
JH		 2976 }
2977
09fd0de5 2978 hci_dev_lock(hdev);
55ed8ca1
JH		 2979
2980 hci_link_keys_clear(hdev);
2981
55ed8ca1 2982 if (cp->debug_keys)
238be788 2983 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
55ed8ca1 2984 else
a69d8927
MH		 2985 changed = hci_dev_test_and_clear_flag(hdev,
2986 HCI_KEEP_DEBUG_KEYS);
b1de97d8
MH		 2987
2988 if (changed)
2989 new_settings(hdev, NULL);
55ed8ca1 2990
a492cd52 2991 for (i = 0; i < key_count; i++) {
86742e1e 2992 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 2993
58e9293c
JH		 2994 /* Always ignore debug keys and require a new pairing if
2995 * the user wants to use them.
2996 */
2997 if (key->type == HCI_LK_DEBUG_COMBINATION)
2998 continue;
2999
7652ff6a
JH		 3000 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
3001 key->type, key->pin_len, NULL);
55ed8ca1
JH		 3002 }
3003
2a1afb5a 3004 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 3005
09fd0de5 3006 hci_dev_unlock(hdev);
55ed8ca1 3007
a492cd52 3008 return 0;
55ed8ca1
JH		 3009}
3010
b1078ad0 3011static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 3012 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH		 3013{
3014 struct mgmt_ev_device_unpaired ev;
3015
3016 bacpy(&ev.addr.bdaddr, bdaddr);
3017 ev.addr.type = addr_type;
3018
3019 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 3020 skip_sk);
b1078ad0
JH		 3021}
3022
bdb6d971 3023static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3024 u16 len)
55ed8ca1 3025{
124f6e35
JH		 3026 struct mgmt_cp_unpair_device *cp = data;
3027 struct mgmt_rp_unpair_device rp;
fc64361a 3028 struct hci_conn_params *params;
3b0602cd 3029 struct mgmt_pending_cmd *cmd;
55ed8ca1 3030 struct hci_conn *conn;
ec182f03 3031 u8 addr_type;
55ed8ca1
JH		 3032 int err;
3033
a8a1d19e 3034 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 3035 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3036 rp.addr.type = cp->addr.type;
a8a1d19e 3037
4ee71b20 3038 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3039 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3040 MGMT_STATUS_INVALID_PARAMS,
3041 &rp, sizeof(rp));
4ee71b20 3042
118da70b 3043 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2a1afb5a
JH		 3044 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3045 MGMT_STATUS_INVALID_PARAMS,
3046 &rp, sizeof(rp));
118da70b 3047
4ee71b20
JH		 3048 hci_dev_lock(hdev);
3049
86a8cfc6 3050 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3051 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3052 MGMT_STATUS_NOT_POWERED, &rp,
3053 sizeof(rp));
86a8cfc6
JH		 3054 goto unlock;
3055 }
3056
e0b2b27e 3057 if (cp->addr.type == BDADDR_BREDR) {
89cbb063
AA		 3058 /* If disconnection is requested, then look up the
3059 * connection. If the remote device is connected, it
3060 * will be later used to terminate the link.
3061 *
3062 * Setting it to NULL explicitly will cause no
3063 * termination of the link.
3064 */
3065 if (cp->disconnect)
3066 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
3067 &cp->addr.bdaddr);
3068 else
3069 conn = NULL;
3070
124f6e35 3071 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
ec182f03
JH		 3072 if (err < 0) {
3073 err = mgmt_cmd_complete(sk, hdev->id,
3074 MGMT_OP_UNPAIR_DEVICE,
3075 MGMT_STATUS_NOT_PAIRED, &rp,
3076 sizeof(rp));
3077 goto unlock;
89cbb063
AA		 3078 }
3079
ec182f03 3080 goto done;
e0b2b27e 3081 }
b0dbfb46 3082
ec182f03
JH		 3083 /* LE address type */
3084 addr_type = le_addr_type(cp->addr.type);
3085
3086 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
3087
3088 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
55ed8ca1 3089 if (err < 0) {
2a1afb5a
JH		 3090 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3091 MGMT_STATUS_NOT_PAIRED, &rp,
3092 sizeof(rp));
55ed8ca1
JH		 3093 goto unlock;
3094 }
3095
ec182f03
JH		 3096 conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr, addr_type);
3097 if (!conn) {
3098 hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
3099 goto done;
3100 }
3101
c81d555a
JH		 3102 /* Abort any ongoing SMP pairing */
3103 smp_cancel_pairing(conn);
3104
ec182f03
JH		 3105 /* Defer clearing up the connection parameters until closing to
3106 * give a chance of keeping them if a repairing happens.
3107 */
3108 set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
3109
fc64361a
JH		 3110 /* Disable auto-connection parameters if present */
3111 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, addr_type);
3112 if (params) {
3113 if (params->explicit_connect)
3114 params->auto_connect = HCI_AUTO_CONN_EXPLICIT;
3115 else
3116 params->auto_connect = HCI_AUTO_CONN_DISABLED;
3117 }
3118
ec182f03
JH		 3119 /* If disconnection is not requested, then clear the connection
3120 * variable so that the link is not terminated.
3121 */
3122 if (!cp->disconnect)
3123 conn = NULL;
3124
3125done:
89cbb063
AA		 3126 /* If the connection variable is set, then termination of the
3127 * link is requested.
3128 */
a8a1d19e 3129 if (!conn) {
2a1afb5a
JH		 3130 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
3131 &rp, sizeof(rp));
b1078ad0 3132 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 3133 goto unlock;
3134 }
55ed8ca1 3135
124f6e35 3136 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 3137 sizeof(*cp));
a8a1d19e
JH		 3138 if (!cmd) {
3139 err = -ENOMEM;
3140 goto unlock;
55ed8ca1
JH		 3141 }
3142
d8b7b1e4
JH		 3143 cmd->cmd_complete = addr_cmd_complete;
3144
89e0ccc8 3145 err = hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM);
a8a1d19e
JH		 3146 if (err < 0)
3147 mgmt_pending_remove(cmd);
3148
55ed8ca1 3149unlock:
09fd0de5 3150 hci_dev_unlock(hdev);
55ed8ca1
JH		 3151 return err;
3152}
3153
bdb6d971 3154static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3155 u16 len)
8962ee74 3156{
650f726d 3157 struct mgmt_cp_disconnect *cp = data;
06a63b19 3158 struct mgmt_rp_disconnect rp;
3b0602cd 3159 struct mgmt_pending_cmd *cmd;
8962ee74 3160 struct hci_conn *conn;
8962ee74
JH		 3161 int err;
3162
3163 BT_DBG("");
3164
06a63b19
JH		 3165 memset(&rp, 0, sizeof(rp));
3166 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3167 rp.addr.type = cp->addr.type;
3168
4ee71b20 3169 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3170 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3171 MGMT_STATUS_INVALID_PARAMS,
3172 &rp, sizeof(rp));
4ee71b20 3173
09fd0de5 3174 hci_dev_lock(hdev);
8962ee74
JH		 3175
3176 if (!test_bit(HCI_UP, &hdev->flags)) {
2a1afb5a
JH		 3177 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3178 MGMT_STATUS_NOT_POWERED, &rp,
3179 sizeof(rp));
8962ee74
JH		 3180 goto failed;
3181 }
3182
333ae95d 3183 if (pending_find(MGMT_OP_DISCONNECT, hdev)) {
2a1afb5a
JH		 3184 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3185 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 3186 goto failed;
3187 }
3188
591f47f3 3189 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 3190 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
3191 &cp->addr.bdaddr);
88c3df13 3192 else
9d4c1cc1
JH		 3193 conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr,
3194 le_addr_type(cp->addr.type));
365227e5 3195
f960727e 3196 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
2a1afb5a
JH		 3197 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3198 MGMT_STATUS_NOT_CONNECTED, &rp,
3199 sizeof(rp));
8962ee74
JH		 3200 goto failed;
3201 }
3202
2e58ef3e 3203 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 3204 if (!cmd) {
3205 err = -ENOMEM;
8962ee74 3206 goto failed;
366a0336 3207 }
8962ee74 3208
f5818c22
JH		 3209 cmd->cmd_complete = generic_cmd_complete;
3210
e3f2f92a 3211 err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
8962ee74 3212 if (err < 0)
a664b5bc 3213 mgmt_pending_remove(cmd);
8962ee74
JH		 3214
3215failed:
09fd0de5 3216 hci_dev_unlock(hdev);
8962ee74
JH		 3217 return err;
3218}
3219
57c1477c 3220static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 3221{
3222 switch (link_type) {
3223 case LE_LINK:
48264f06
JH		 3224 switch (addr_type) {
3225 case ADDR_LE_DEV_PUBLIC:
591f47f3 3226 return BDADDR_LE_PUBLIC;
0ed09148 3227
48264f06 3228 default:
0ed09148 3229 /* Fallback to LE Random address type */
591f47f3 3230 return BDADDR_LE_RANDOM;
48264f06 3231 }
0ed09148 3232
4c659c39 3233 default:
0ed09148 3234 /* Fallback to BR/EDR type */
591f47f3 3235 return BDADDR_BREDR;
4c659c39
JH		 3236 }
3237}
3238
04124681
GP		 3239static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
3240 u16 data_len)
2784eb41 3241{
2784eb41 3242 struct mgmt_rp_get_connections *rp;
8035ded4 3243 struct hci_conn *c;
a38528f1 3244 size_t rp_len;
60fc5fb6
JH		 3245 int err;
3246 u16 i;
2784eb41
JH		 3247
3248 BT_DBG("");
3249
09fd0de5 3250 hci_dev_lock(hdev);
2784eb41 3251
5f97c1df 3252 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3253 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
3254 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3255 goto unlock;
3256 }
3257
60fc5fb6 3258 i = 0;
b644ba33
JH		 3259 list_for_each_entry(c, &hdev->conn_hash.list, list) {
3260 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 3261 i++;
2784eb41
JH		 3262 }
3263
60fc5fb6 3264 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 3265 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 3266 if (!rp) {
2784eb41
JH		 3267 err = -ENOMEM;
3268 goto unlock;
3269 }
3270
2784eb41 3271 i = 0;
4c659c39 3272 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 3273 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
3274 continue;
4c659c39 3275 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 3276 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 3277 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 3278 continue;
3279 i++;
3280 }
3281
eb55ef07 3282 rp->conn_count = cpu_to_le16(i);
60fc5fb6 3283
4c659c39
JH		 3284 /* Recalculate length in case of filtered SCO connections, etc */
3285 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 3286
2a1afb5a
JH		 3287 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
3288 rp_len);
2784eb41 3289
a38528f1 3290 kfree(rp);
5f97c1df
JH		 3291
3292unlock:
09fd0de5 3293 hci_dev_unlock(hdev);
2784eb41
JH		 3294 return err;
3295}
3296
bdb6d971 3297static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3298 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67 3299{
3b0602cd 3300 struct mgmt_pending_cmd *cmd;
96d97a67
WR		 3301 int err;
3302
2e58ef3e 3303 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 3304 sizeof(*cp));
96d97a67
WR		 3305 if (!cmd)
3306 return -ENOMEM;
3307
d8457698 3308 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 3309 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 3310 if (err < 0)
3311 mgmt_pending_remove(cmd);
3312
3313 return err;
3314}
3315
bdb6d971 3316static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3317 u16 len)
980e1a53 3318{
96d97a67 3319 struct hci_conn *conn;
650f726d 3320 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 3321 struct hci_cp_pin_code_reply reply;
3b0602cd 3322 struct mgmt_pending_cmd *cmd;
980e1a53
JH		 3323 int err;
3324
3325 BT_DBG("");
3326
09fd0de5 3327 hci_dev_lock(hdev);
980e1a53 3328
4b34ee78 3329 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3330 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3331 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 3332 goto failed;
3333 }
3334
d8457698 3335 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 3336 if (!conn) {
a69e8375
JH		 3337 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3338 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 3339 goto failed;
3340 }
3341
3342 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 3343 struct mgmt_cp_pin_code_neg_reply ncp;
3344
3345 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 3346
3347 BT_ERR("PIN code is not 16 bytes long");
3348
bdb6d971 3349 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 3350 if (err >= 0)
a69e8375
JH		 3351 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3352 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 3353
3354 goto failed;
3355 }
3356
00abfe44 3357 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 3358 if (!cmd) {
3359 err = -ENOMEM;
980e1a53 3360 goto failed;
366a0336 3361 }
980e1a53 3362
7776d1d8
JH		 3363 cmd->cmd_complete = addr_cmd_complete;
3364
d8457698 3365 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 3366 reply.pin_len = cp->pin_len;
24718ca5 3367 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 3368
3369 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
3370 if (err < 0)
a664b5bc 3371 mgmt_pending_remove(cmd);
980e1a53
JH		 3372
3373failed:
09fd0de5 3374 hci_dev_unlock(hdev);
980e1a53
JH		 3375 return err;
3376}
3377
04124681
GP		 3378static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
3379 u16 len)
17fa4b9d 3380{
650f726d 3381 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 3382
3383 BT_DBG("");
3384
4ec86d4c 3385 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
2a1afb5a
JH		 3386 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
3387 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
4ec86d4c 3388
09fd0de5 3389 hci_dev_lock(hdev);
17fa4b9d
JH		 3390
3391 hdev->io_capability = cp->io_capability;
3392
3393 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 3394 hdev->io_capability);
17fa4b9d 3395
09fd0de5 3396 hci_dev_unlock(hdev);
17fa4b9d 3397
2a1afb5a
JH		 3398 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0,
3399 NULL, 0);
17fa4b9d
JH		 3400}
3401
3b0602cd 3402static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 3403{
3404 struct hci_dev *hdev = conn->hdev;
3b0602cd 3405 struct mgmt_pending_cmd *cmd;
e9a416b5 3406
2e58ef3e 3407 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 3408 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
3409 continue;
3410
e9a416b5
JH		 3411 if (cmd->user_data != conn)
3412 continue;
3413
3414 return cmd;
3415 }
3416
3417 return NULL;
3418}
3419
3b0602cd 3420static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status)
e9a416b5
JH		 3421{
3422 struct mgmt_rp_pair_device rp;
3423 struct hci_conn *conn = cmd->user_data;
9df74653 3424 int err;
e9a416b5 3425
61b1a7fb
JH		 3426 bacpy(&rp.addr.bdaddr, &conn->dst);
3427 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 3428
2a1afb5a
JH		 3429 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE,
3430 status, &rp, sizeof(rp));
e9a416b5
JH		 3431
3432 /* So we don't get further callbacks for this connection */
3433 conn->connect_cfm_cb = NULL;
3434 conn->security_cfm_cb = NULL;
3435 conn->disconn_cfm_cb = NULL;
3436
76a68ba0 3437 hci_conn_drop(conn);
89cbb063
AA		 3438
3439 /* The device is paired so there is no need to remove
3440 * its connection parameters anymore.
3441 */
3442 clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
15013aeb
JH		 3443
3444 hci_conn_put(conn);
9df74653
JH		 3445
3446 return err;
e9a416b5
JH		 3447}
3448
f4a407be
JH		 3449void mgmt_smp_complete(struct hci_conn *conn, bool complete)
3450{
3451 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3b0602cd 3452 struct mgmt_pending_cmd *cmd;
f4a407be
JH		 3453
3454 cmd = find_pairing(conn);
a511b35b 3455 if (cmd) {
04ab2749 3456 cmd->cmd_complete(cmd, status);
a511b35b
JH		 3457 mgmt_pending_remove(cmd);
3458 }
f4a407be
JH		 3459}
3460
e9a416b5
JH		 3461static void pairing_complete_cb(struct hci_conn *conn, u8 status)
3462{
3b0602cd 3463 struct mgmt_pending_cmd *cmd;
e9a416b5
JH		 3464
3465 BT_DBG("status %u", status);
3466
3467 cmd = find_pairing(conn);
a511b35b 3468 if (!cmd) {
e9a416b5 3469 BT_DBG("Unable to find a pending command");
a511b35b
JH		 3470 return;
3471 }
3472
3473 cmd->cmd_complete(cmd, mgmt_status(status));
3474 mgmt_pending_remove(cmd);
e9a416b5
JH		 3475}
3476
f4a407be 3477static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739 3478{
3b0602cd 3479 struct mgmt_pending_cmd *cmd;
4c47d739
VA		 3480
3481 BT_DBG("status %u", status);
3482
3483 if (!status)
3484 return;
3485
3486 cmd = find_pairing(conn);
a511b35b 3487 if (!cmd) {
4c47d739 3488 BT_DBG("Unable to find a pending command");
a511b35b
JH		 3489 return;
3490 }
3491
3492 cmd->cmd_complete(cmd, mgmt_status(status));
3493 mgmt_pending_remove(cmd);
4c47d739
VA		 3494}
3495
bdb6d971 3496static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3497 u16 len)
e9a416b5 3498{
650f726d 3499 struct mgmt_cp_pair_device *cp = data;
1425acb7 3500 struct mgmt_rp_pair_device rp;
3b0602cd 3501 struct mgmt_pending_cmd *cmd;
e9a416b5
JH		 3502 u8 sec_level, auth_type;
3503 struct hci_conn *conn;
e9a416b5
JH		 3504 int err;
3505
3506 BT_DBG("");
3507
f950a30e
SJ		 3508 memset(&rp, 0, sizeof(rp));
3509 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3510 rp.addr.type = cp->addr.type;
3511
4ee71b20 3512 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3513 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3514 MGMT_STATUS_INVALID_PARAMS,
3515 &rp, sizeof(rp));
4ee71b20 3516
4ec86d4c 3517 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
2a1afb5a
JH		 3518 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3519 MGMT_STATUS_INVALID_PARAMS,
3520 &rp, sizeof(rp));
4ec86d4c 3521
09fd0de5 3522 hci_dev_lock(hdev);
e9a416b5 3523
5f97c1df 3524 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3525 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3526 MGMT_STATUS_NOT_POWERED, &rp,
3527 sizeof(rp));
5f97c1df
JH		 3528 goto unlock;
3529 }
3530
55e76b38
JH		 3531 if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) {
3532 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3533 MGMT_STATUS_ALREADY_PAIRED, &rp,
3534 sizeof(rp));
3535 goto unlock;
3536 }
3537
c908df36 3538 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 3539 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 3540
6f77d8c7 3541 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 3542 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
3543 auth_type);
6f77d8c7 3544 } else {
85813a7e 3545 u8 addr_type = le_addr_type(cp->addr.type);
5157b8a5 3546 struct hci_conn_params *p;
6f77d8c7 3547
7c264b10
MH		 3548 /* When pairing a new device, it is expected to remember
3549 * this device for future connections. Adding the connection
3550 * parameter information ahead of time allows tracking
3551 * of the slave preferred values and will speed up any
3552 * further connection establishment.
3553 *
3554 * If connection parameters already exist, then they
3555 * will be kept and this function does nothing.
3556 */
5157b8a5
JP		 3557 p = hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
3558
3559 if (p->auto_connect == HCI_AUTO_CONN_EXPLICIT)
3560 p->auto_connect = HCI_AUTO_CONN_DISABLED;
7c264b10 3561
fa142220
JP		 3562 conn = hci_connect_le_scan(hdev, &cp->addr.bdaddr,
3563 addr_type, sec_level,
3564 HCI_LE_CONN_TIMEOUT,
3565 HCI_ROLE_MASTER);
6f77d8c7 3566 }
7a512d01 3567
30e76272 3568 if (IS_ERR(conn)) {
489dc48e
AK		 3569 int status;
3570
3571 if (PTR_ERR(conn) == -EBUSY)
3572 status = MGMT_STATUS_BUSY;
faa81030
LR		 3573 else if (PTR_ERR(conn) == -EOPNOTSUPP)
3574 status = MGMT_STATUS_NOT_SUPPORTED;
3575 else if (PTR_ERR(conn) == -ECONNREFUSED)
3576 status = MGMT_STATUS_REJECTED;
489dc48e
AK		 3577 else
3578 status = MGMT_STATUS_CONNECT_FAILED;
3579
2a1afb5a
JH		 3580 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3581 status, &rp, sizeof(rp));
e9a416b5
JH		 3582 goto unlock;
3583 }
3584
3585 if (conn->connect_cfm_cb) {
76a68ba0 3586 hci_conn_drop(conn);
2a1afb5a
JH		 3587 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3588 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 3589 goto unlock;
3590 }
3591
2e58ef3e 3592 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 3593 if (!cmd) {
3594 err = -ENOMEM;
76a68ba0 3595 hci_conn_drop(conn);
e9a416b5
JH		 3596 goto unlock;
3597 }
3598
04ab2749
JH		 3599 cmd->cmd_complete = pairing_complete;
3600
7a512d01 3601 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 3602 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 3603 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 3604 conn->security_cfm_cb = pairing_complete_cb;
3605 conn->disconn_cfm_cb = pairing_complete_cb;
3606 } else {
3607 conn->connect_cfm_cb = le_pairing_complete_cb;
3608 conn->security_cfm_cb = le_pairing_complete_cb;
3609 conn->disconn_cfm_cb = le_pairing_complete_cb;
3610 }
7a512d01 3611
e9a416b5 3612 conn->io_capability = cp->io_cap;
f8aaf9b6 3613 cmd->user_data = hci_conn_get(conn);
e9a416b5 3614
6f78fd4b 3615 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
a511b35b
JH		 3616 hci_conn_security(conn, sec_level, auth_type, true)) {
3617 cmd->cmd_complete(cmd, 0);
3618 mgmt_pending_remove(cmd);
3619 }
e9a416b5
JH		 3620
3621 err = 0;
3622
3623unlock:
09fd0de5 3624 hci_dev_unlock(hdev);
e9a416b5
JH		 3625 return err;
3626}
3627
04124681
GP		 3628static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3629 u16 len)
28424707 3630{
0f4e68cf 3631 struct mgmt_addr_info *addr = data;
3b0602cd 3632 struct mgmt_pending_cmd *cmd;
28424707
JH		 3633 struct hci_conn *conn;
3634 int err;
3635
3636 BT_DBG("");
3637
28424707
JH		 3638 hci_dev_lock(hdev);
3639
5f97c1df 3640 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3641 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3642 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3643 goto unlock;
3644 }
3645
333ae95d 3646 cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev);
28424707 3647 if (!cmd) {
a69e8375
JH		 3648 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3649 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3650 goto unlock;
3651 }
3652
3653 conn = cmd->user_data;
3654
3655 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
a69e8375
JH		 3656 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3657 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3658 goto unlock;
3659 }
3660
a511b35b
JH		 3661 cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED);
3662 mgmt_pending_remove(cmd);
28424707 3663
2a1afb5a
JH		 3664 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
3665 addr, sizeof(*addr));
28424707
JH		 3666unlock:
3667 hci_dev_unlock(hdev);
28424707
JH		 3668 return err;
3669}
3670
bdb6d971 3671static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 3672 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 3673 u16 hci_op, __le32 passkey)
a5c29683 3674{
3b0602cd 3675 struct mgmt_pending_cmd *cmd;
0df4c185 3676 struct hci_conn *conn;
a5c29683
JH		 3677 int err;
3678
09fd0de5 3679 hci_dev_lock(hdev);
08ba5382 3680
4b34ee78 3681 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3682 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3683 MGMT_STATUS_NOT_POWERED, addr,
3684 sizeof(*addr));
0df4c185 3685 goto done;
a5c29683
JH		 3686 }
3687
1707c60e
JH		 3688 if (addr->type == BDADDR_BREDR)
3689 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 3690 else
9d4c1cc1
JH		 3691 conn = hci_conn_hash_lookup_le(hdev, &addr->bdaddr,
3692 le_addr_type(addr->type));
272d90df
JH		 3693
3694 if (!conn) {
2a1afb5a
JH		 3695 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3696 MGMT_STATUS_NOT_CONNECTED, addr,
3697 sizeof(*addr));
272d90df
JH		 3698 goto done;
3699 }
47c15e2b 3700
1707c60e 3701 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 3702 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 3703 if (!err)
2a1afb5a
JH		 3704 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3705 MGMT_STATUS_SUCCESS, addr,
3706 sizeof(*addr));
5fe57d9e 3707 else
2a1afb5a
JH		 3708 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3709 MGMT_STATUS_FAILED, addr,
3710 sizeof(*addr));
47c15e2b 3711
47c15e2b
BG		 3712 goto done;
3713 }
3714
1707c60e 3715 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 3716 if (!cmd) {
3717 err = -ENOMEM;
0df4c185 3718 goto done;
a5c29683
JH		 3719 }
3720
7776d1d8
JH		 3721 cmd->cmd_complete = addr_cmd_complete;
3722
0df4c185 3723 /* Continue with pairing via HCI */
604086b7
BG		 3724 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3725 struct hci_cp_user_passkey_reply cp;
3726
1707c60e 3727 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 3728 cp.passkey = passkey;
3729 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3730 } else
1707c60e
JH		 3731 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3732 &addr->bdaddr);
604086b7 3733
a664b5bc
JH		 3734 if (err < 0)
3735 mgmt_pending_remove(cmd);
a5c29683 3736
0df4c185 3737done:
09fd0de5 3738 hci_dev_unlock(hdev);
a5c29683
JH		 3739 return err;
3740}
3741
afeb019d
JK		 3742static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3743 void *data, u16 len)
3744{
3745 struct mgmt_cp_pin_code_neg_reply *cp = data;
3746
3747 BT_DBG("");
3748
1707c60e 3749 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 3750 MGMT_OP_PIN_CODE_NEG_REPLY,
3751 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3752}
3753
04124681
GP		 3754static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3755 u16 len)
0df4c185 3756{
650f726d 3757 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 3758
3759 BT_DBG("");
3760
3761 if (len != sizeof(*cp))
a69e8375
JH		 3762 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
3763 MGMT_STATUS_INVALID_PARAMS);
0df4c185 3764
1707c60e 3765 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3766 MGMT_OP_USER_CONFIRM_REPLY,
3767 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 3768}
3769
bdb6d971 3770static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3771 void *data, u16 len)
0df4c185 3772{
c9c2659f 3773 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 3774
3775 BT_DBG("");
3776
1707c60e 3777 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3778 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3779 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 3780}
3781
04124681
GP		 3782static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3783 u16 len)
604086b7 3784{
650f726d 3785 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 3786
3787 BT_DBG("");
3788
1707c60e 3789 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3790 MGMT_OP_USER_PASSKEY_REPLY,
3791 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 3792}
3793
bdb6d971 3794static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3795 void *data, u16 len)
604086b7 3796{
650f726d 3797 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 3798
3799 BT_DBG("");
3800
1707c60e 3801 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3802 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3803 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 3804}
3805
13928971 3806static void update_name(struct hci_request *req)
2b4bf397 3807{
13928971 3808 struct hci_dev *hdev = req->hdev;
2b4bf397
JH		 3809 struct hci_cp_write_local_name cp;
3810
13928971 3811 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
2b4bf397 3812
890ea898 3813 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2b4bf397
JH		 3814}
3815
1904a853 3816static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode)
13928971
JH		 3817{
3818 struct mgmt_cp_set_local_name *cp;
3b0602cd 3819 struct mgmt_pending_cmd *cmd;
13928971
JH		 3820
3821 BT_DBG("status 0x%02x", status);
3822
3823 hci_dev_lock(hdev);
3824
333ae95d 3825 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 3826 if (!cmd)
3827 goto unlock;
3828
3829 cp = cmd->param;
3830
3831 if (status)
a69e8375
JH		 3832 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3833 mgmt_status(status));
13928971 3834 else
2a1afb5a
JH		 3835 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3836 cp, sizeof(*cp));
13928971
JH		 3837
3838 mgmt_pending_remove(cmd);
3839
3840unlock:
3841 hci_dev_unlock(hdev);
3842}
3843
bdb6d971 3844static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3845 u16 len)
b312b161 3846{
2b4bf397 3847 struct mgmt_cp_set_local_name *cp = data;
3b0602cd 3848 struct mgmt_pending_cmd *cmd;
890ea898 3849 struct hci_request req;
b312b161
JH		 3850 int err;
3851
3852 BT_DBG("");
3853
09fd0de5 3854 hci_dev_lock(hdev);
b312b161 3855
b3f2ca94
JH		 3856 /* If the old values are the same as the new ones just return a
3857 * direct command complete event.
3858 */
3859 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3860 !memcmp(hdev->short_name, cp->short_name,
3861 sizeof(hdev->short_name))) {
2a1afb5a
JH		 3862 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3863 data, len);
b3f2ca94
JH		 3864 goto failed;
3865 }
3866
2b4bf397 3867 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 3868
b5235a65 3869 if (!hdev_is_powered(hdev)) {
2b4bf397 3870 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde 3871
2a1afb5a
JH		 3872 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3873 data, len);
28cc7bde
JH		 3874 if (err < 0)
3875 goto failed;
3876
f6b7712e
MH		 3877 err = mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev,
3878 data, len, sk);
28cc7bde 3879
b5235a65
JH		 3880 goto failed;
3881 }
3882
28cc7bde 3883 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3884 if (!cmd) {
3885 err = -ENOMEM;
3886 goto failed;
3887 }
3888
13928971
JH		 3889 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3890
890ea898 3891 hci_req_init(&req, hdev);
3f985050
JH		 3892
3893 if (lmp_bredr_capable(hdev)) {
3894 update_name(&req);
3895 update_eir(&req);
3896 }
3897
7a5f4990
MH		 3898 /* The name is stored in the scan response data and so
3899 * no need to udpate the advertising data here.
3900 */
3f985050 3901 if (lmp_le_capable(hdev))
7a5f4990 3902 update_scan_rsp_data(&req);
3f985050 3903
13928971 3904 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3905 if (err < 0)
3906 mgmt_pending_remove(cmd);
3907
3908failed:
09fd0de5 3909 hci_dev_unlock(hdev);
b312b161
JH		 3910 return err;
3911}
3912
1b9441f8
JH		 3913static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
3914 u16 opcode, struct sk_buff *skb)
3915{
3916 struct mgmt_rp_read_local_oob_data mgmt_rp;
3917 size_t rp_size = sizeof(mgmt_rp);
3918 struct mgmt_pending_cmd *cmd;
3919
3920 BT_DBG("%s status %u", hdev->name, status);
3921
3922 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
3923 if (!cmd)
3924 return;
3925
3926 if (status || !skb) {
3927 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3928 status ? mgmt_status(status) : MGMT_STATUS_FAILED);
3929 goto remove;
3930 }
3931
3932 memset(&mgmt_rp, 0, sizeof(mgmt_rp));
3933
3934 if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
3935 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
3936
3937 if (skb->len < sizeof(*rp)) {
3938 mgmt_cmd_status(cmd->sk, hdev->id,
3939 MGMT_OP_READ_LOCAL_OOB_DATA,
3940 MGMT_STATUS_FAILED);
3941 goto remove;
3942 }
3943
3944 memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash));
3945 memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand));
3946
3947 rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256);
3948 } else {
3949 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
3950
3951 if (skb->len < sizeof(*rp)) {
3952 mgmt_cmd_status(cmd->sk, hdev->id,
3953 MGMT_OP_READ_LOCAL_OOB_DATA,
3954 MGMT_STATUS_FAILED);
3955 goto remove;
3956 }
3957
3958 memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192));
3959 memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192));
3960
3961 memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256));
3962 memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256));
3963 }
3964
3965 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3966 MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size);
3967
3968remove:
3969 mgmt_pending_remove(cmd);
3970}
3971
0f4e68cf 3972static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3973 void *data, u16 data_len)
c35938b2 3974{
3b0602cd 3975 struct mgmt_pending_cmd *cmd;
1b9441f8 3976 struct hci_request req;
c35938b2
SJ		 3977 int err;
3978
bdb6d971 3979 BT_DBG("%s", hdev->name);
c35938b2 3980
09fd0de5 3981 hci_dev_lock(hdev);
c35938b2 3982
4b34ee78 3983 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3984 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3985 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3986 goto unlock;
3987 }
3988
9a1a1996 3989 if (!lmp_ssp_capable(hdev)) {
a69e8375
JH		 3990 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3991 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 3992 goto unlock;
3993 }
3994
333ae95d 3995 if (pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
a69e8375
JH		 3996 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3997 MGMT_STATUS_BUSY);
c35938b2
SJ		 3998 goto unlock;
3999 }
4000
2e58ef3e 4001 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 4002 if (!cmd) {
4003 err = -ENOMEM;
4004 goto unlock;
4005 }
4006
1b9441f8
JH		 4007 hci_req_init(&req, hdev);
4008
710f11c0 4009 if (bredr_sc_enabled(hdev))
1b9441f8 4010 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
4d2d2796 4011 else
1b9441f8 4012 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
4d2d2796 4013
1b9441f8 4014 err = hci_req_run_skb(&req, read_local_oob_data_complete);
c35938b2
SJ		 4015 if (err < 0)
4016 mgmt_pending_remove(cmd);
4017
4018unlock:
09fd0de5 4019 hci_dev_unlock(hdev);
c35938b2
SJ		 4020 return err;
4021}
4022
bdb6d971 4023static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 4024 void *data, u16 len)
2763eda6 4025{
5d57e796 4026 struct mgmt_addr_info *addr = data;
2763eda6
SJ		 4027 int err;
4028
bdb6d971 4029 BT_DBG("%s ", hdev->name);
2763eda6 4030
5d57e796 4031 if (!bdaddr_type_is_valid(addr->type))
2a1afb5a
JH		 4032 return mgmt_cmd_complete(sk, hdev->id,
4033 MGMT_OP_ADD_REMOTE_OOB_DATA,
4034 MGMT_STATUS_INVALID_PARAMS,
4035 addr, sizeof(*addr));
5d57e796 4036
09fd0de5 4037 hci_dev_lock(hdev);
2763eda6 4038
ec109113
MH		 4039 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
4040 struct mgmt_cp_add_remote_oob_data *cp = data;
4041 u8 status;
bf1e3541 4042
c19a495c 4043 if (cp->addr.type != BDADDR_BREDR) {
2a1afb5a
JH		 4044 err = mgmt_cmd_complete(sk, hdev->id,
4045 MGMT_OP_ADD_REMOTE_OOB_DATA,
4046 MGMT_STATUS_INVALID_PARAMS,
4047 &cp->addr, sizeof(cp->addr));
c19a495c
JH		 4048 goto unlock;
4049 }
4050
ec109113 4051 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
6928a924
JH		 4052 cp->addr.type, cp->hash,
4053 cp->rand, NULL, NULL);
ec109113
MH		 4054 if (err < 0)
4055 status = MGMT_STATUS_FAILED;
4056 else
4057 status = MGMT_STATUS_SUCCESS;
4058
2a1afb5a
JH		 4059 err = mgmt_cmd_complete(sk, hdev->id,
4060 MGMT_OP_ADD_REMOTE_OOB_DATA, status,
4061 &cp->addr, sizeof(cp->addr));
ec109113
MH		 4062 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
4063 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
41bcfd50 4064 u8 *rand192, *hash192, *rand256, *hash256;
ec109113
MH		 4065 u8 status;
4066
86df9200 4067 if (bdaddr_type_is_le(cp->addr.type)) {
d25b78e2
JH		 4068 /* Enforce zero-valued 192-bit parameters as
4069 * long as legacy SMP OOB isn't implemented.
4070 */
4071 if (memcmp(cp->rand192, ZERO_KEY, 16) ||
4072 memcmp(cp->hash192, ZERO_KEY, 16)) {
2a1afb5a
JH		 4073 err = mgmt_cmd_complete(sk, hdev->id,
4074 MGMT_OP_ADD_REMOTE_OOB_DATA,
4075 MGMT_STATUS_INVALID_PARAMS,
4076 addr, sizeof(*addr));
d25b78e2
JH		 4077 goto unlock;
4078 }
4079
86df9200
JH		 4080 rand192 = NULL;
4081 hash192 = NULL;
4082 } else {
41bcfd50
MH		 4083 /* In case one of the P-192 values is set to zero,
4084 * then just disable OOB data for P-192.
4085 */
4086 if (!memcmp(cp->rand192, ZERO_KEY, 16) ||
4087 !memcmp(cp->hash192, ZERO_KEY, 16)) {
4088 rand192 = NULL;
4089 hash192 = NULL;
4090 } else {
4091 rand192 = cp->rand192;
4092 hash192 = cp->hash192;
4093 }
4094 }
4095
4096 /* In case one of the P-256 values is set to zero, then just
4097 * disable OOB data for P-256.
4098 */
4099 if (!memcmp(cp->rand256, ZERO_KEY, 16) ||
4100 !memcmp(cp->hash256, ZERO_KEY, 16)) {
4101 rand256 = NULL;
4102 hash256 = NULL;
4103 } else {
4104 rand256 = cp->rand256;
4105 hash256 = cp->hash256;
86df9200
JH		 4106 }
4107
81328d5c 4108 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
86df9200 4109 cp->addr.type, hash192, rand192,
41bcfd50 4110 hash256, rand256);
ec109113
MH		 4111 if (err < 0)
4112 status = MGMT_STATUS_FAILED;
4113 else
4114 status = MGMT_STATUS_SUCCESS;
4115
2a1afb5a
JH		 4116 err = mgmt_cmd_complete(sk, hdev->id,
4117 MGMT_OP_ADD_REMOTE_OOB_DATA,
4118 status, &cp->addr, sizeof(cp->addr));
ec109113
MH		 4119 } else {
4120 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
a69e8375
JH		 4121 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
4122 MGMT_STATUS_INVALID_PARAMS);
ec109113 4123 }
2763eda6 4124
c19a495c 4125unlock:
09fd0de5 4126 hci_dev_unlock(hdev);
2763eda6
SJ		 4127 return err;
4128}
4129
bdb6d971 4130static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 4131 void *data, u16 len)
2763eda6 4132{
650f726d 4133 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 4134 u8 status;
2763eda6
SJ		 4135 int err;
4136
bdb6d971 4137 BT_DBG("%s", hdev->name);
2763eda6 4138
c19a495c 4139 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 4140 return mgmt_cmd_complete(sk, hdev->id,
4141 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
4142 MGMT_STATUS_INVALID_PARAMS,
4143 &cp->addr, sizeof(cp->addr));
c19a495c 4144
09fd0de5 4145 hci_dev_lock(hdev);
2763eda6 4146
eedbd581
JH		 4147 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
4148 hci_remote_oob_data_clear(hdev);
4149 status = MGMT_STATUS_SUCCESS;
4150 goto done;
4151 }
4152
6928a924 4153 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
2763eda6 4154 if (err < 0)
bf1e3541 4155 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 4156 else
a6785be2 4157 status = MGMT_STATUS_SUCCESS;
bf1e3541 4158
eedbd581 4159done:
2a1afb5a
JH		 4160 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
4161 status, &cp->addr, sizeof(cp->addr));
2763eda6 4162
09fd0de5 4163 hci_dev_unlock(hdev);
2763eda6
SJ		 4164 return err;
4165}
4166
812abb13 4167static bool trigger_bredr_inquiry(struct hci_request *req, u8 *status)
41dc2bd6 4168{
8019044d 4169 struct hci_dev *hdev = req->hdev;
812abb13 4170 struct hci_cp_inquiry cp;
8019044d
MH		 4171 /* General inquiry access code (GIAC) */
4172 u8 lap[3] = { 0x33, 0x8b, 0x9e };
812abb13
JP		 4173
4174 *status = mgmt_bredr_support(hdev);
4175 if (*status)
4176 return false;
4177
4178 if (hci_dev_test_flag(hdev, HCI_INQUIRY)) {
4179 *status = MGMT_STATUS_BUSY;
4180 return false;
4181 }
4182
4183 hci_inquiry_cache_flush(hdev);
4184
4185 memset(&cp, 0, sizeof(cp));
4186 memcpy(&cp.lap, lap, sizeof(cp.lap));
4187 cp.length = DISCOV_BREDR_INQUIRY_LEN;
4188
4189 hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp);
4190
4191 return true;
4192}
4193
4194static bool trigger_le_scan(struct hci_request *req, u16 interval, u8 *status)
4195{
4196 struct hci_dev *hdev = req->hdev;
4197 struct hci_cp_le_set_scan_param param_cp;
4198 struct hci_cp_le_set_scan_enable enable_cp;
8019044d 4199 u8 own_addr_type;
41dc2bd6
AG		 4200 int err;
4201
812abb13
JP		 4202 *status = mgmt_le_support(hdev);
4203 if (*status)
4204 return false;
41dc2bd6 4205
812abb13
JP		 4206 if (hci_dev_test_flag(hdev, HCI_LE_ADV)) {
4207 /* Don't let discovery abort an outgoing connection attempt
4208 * that's using directed advertising.
4209 */
e7d9ab73 4210 if (hci_lookup_le_connect(hdev)) {
812abb13 4211 *status = MGMT_STATUS_REJECTED;
8019044d
MH		 4212 return false;
4213 }
41dc2bd6 4214
9d5fc2f2 4215 cancel_adv_timeout(hdev);
812abb13
JP		 4216 disable_advertising(req);
4217 }
41dc2bd6 4218
812abb13
JP		 4219 /* If controller is scanning, it means the background scanning is
4220 * running. Thus, we should temporarily stop it in order to set the
4221 * discovery scanning parameters.
4222 */
4223 if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
4224 hci_req_add_le_scan_disable(req);
41dc2bd6 4225
812abb13
JP		 4226 /* All active scans will be done with either a resolvable private
4227 * address (when privacy feature has been enabled) or non-resolvable
4228 * private address.
4229 */
4230 err = hci_update_random_address(req, true, &own_addr_type);
4231 if (err < 0) {
4232 *status = MGMT_STATUS_FAILED;
4233 return false;
4234 }
8019044d 4235
812abb13
JP		 4236 memset(&param_cp, 0, sizeof(param_cp));
4237 param_cp.type = LE_SCAN_ACTIVE;
4238 param_cp.interval = cpu_to_le16(interval);
4239 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
4240 param_cp.own_address_type = own_addr_type;
8019044d 4241
812abb13
JP		 4242 hci_req_add(req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
4243 &param_cp);
8019044d 4244
812abb13
JP		 4245 memset(&enable_cp, 0, sizeof(enable_cp));
4246 enable_cp.enable = LE_SCAN_ENABLE;
4247 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
8019044d 4248
812abb13
JP		 4249 hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
4250 &enable_cp);
4251
4252 return true;
4253}
8019044d 4254
812abb13
JP		 4255static bool trigger_discovery(struct hci_request *req, u8 *status)
4256{
4257 struct hci_dev *hdev = req->hdev;
8019044d 4258
812abb13
JP		 4259 switch (hdev->discovery.type) {
4260 case DISCOV_TYPE_BREDR:
4261 if (!trigger_bredr_inquiry(req, status))
4262 return false;
4263 break;
4264
4265 case DISCOV_TYPE_INTERLEAVED:
07d2334a
JP		 4266 if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY,
4267 &hdev->quirks)) {
4268 /* During simultaneous discovery, we double LE scan
4269 * interval. We must leave some time for the controller
4270 * to do BR/EDR inquiry.
4271 */
4272 if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT * 2,
4273 status))
4274 return false;
4275
4276 if (!trigger_bredr_inquiry(req, status))
4277 return false;
4278
4279 return true;
4280 }
4281
812abb13
JP		 4282 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
4283 *status = MGMT_STATUS_NOT_SUPPORTED;
8019044d
MH		 4284 return false;
4285 }
812abb13 4286 /* fall through */
8019044d 4287
812abb13
JP		 4288 case DISCOV_TYPE_LE:
4289 if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT, status))
4290 return false;
8019044d
MH		 4291 break;
4292
4293 default:
4294 *status = MGMT_STATUS_INVALID_PARAMS;
4295 return false;
4296 }
4297
4298 return true;
41dc2bd6
AG		 4299}
4300
1904a853
MH		 4301static void start_discovery_complete(struct hci_dev *hdev, u8 status,
4302 u16 opcode)
7c307720 4303{
3b0602cd 4304 struct mgmt_pending_cmd *cmd;
11e6e25d 4305 unsigned long timeout;
ae55f598 4306
7c307720
AG		 4307 BT_DBG("status %d", status);
4308
11e6e25d 4309 hci_dev_lock(hdev);
41dc2bd6 4310
333ae95d 4311 cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev);
66ea9427 4312 if (!cmd)
333ae95d 4313 cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev);
66ea9427 4314
11e6e25d 4315 if (cmd) {
2922a94f 4316 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d
MH		 4317 mgmt_pending_remove(cmd);
4318 }
7c307720
AG		 4319
4320 if (status) {
11e6e25d
MH		 4321 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4322 goto unlock;
7c307720
AG		 4323 }
4324
7c307720 4325 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
7c307720 4326
2d28cfe7
JP		 4327 /* If the scan involves LE scan, pick proper timeout to schedule
4328 * hdev->le_scan_disable that will stop it.
4329 */
7c307720
AG		 4330 switch (hdev->discovery.type) {
4331 case DISCOV_TYPE_LE:
3d5a76f0 4332 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
7c307720 4333 break;
7c307720 4334 case DISCOV_TYPE_INTERLEAVED:
07d2334a
JP		 4335 /* When running simultaneous discovery, the LE scanning time
4336 * should occupy the whole discovery time sine BR/EDR inquiry
4337 * and LE scanning are scheduled by the controller.
4338 *
4339 * For interleaving discovery in comparison, BR/EDR inquiry
4340 * and LE scanning are done sequentially with separate
4341 * timeouts.
4342 */
4343 if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
4344 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
4345 else
4346 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
7c307720 4347 break;
7c307720 4348 case DISCOV_TYPE_BREDR:
11e6e25d 4349 timeout = 0;
7c307720 4350 break;
7c307720
AG		 4351 default:
4352 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
11e6e25d
MH		 4353 timeout = 0;
4354 break;
7c307720 4355 }
ae55f598 4356
2d28cfe7
JP		 4357 if (timeout) {
4358 /* When service discovery is used and the controller has
4359 * a strict duplicate filter, it is important to remember
4360 * the start and duration of the scan. This is required
4361 * for restarting scanning during the discovery phase.
4362 */
4363 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER,
4364 &hdev->quirks) &&
82f8b651 4365 hdev->discovery.result_filtering) {
2d28cfe7
JP		 4366 hdev->discovery.scan_start = jiffies;
4367 hdev->discovery.scan_duration = timeout;
4368 }
4369
7c1fbed2 4370 queue_delayed_work(hdev->req_workqueue,
11e6e25d 4371 &hdev->le_scan_disable, timeout);
2d28cfe7 4372 }
ae55f598 4373
11e6e25d
MH		 4374unlock:
4375 hci_dev_unlock(hdev);
7c307720
AG		 4376}
4377
591752af
JH		 4378static bool discovery_type_is_valid(struct hci_dev *hdev, uint8_t type,
4379 uint8_t *mgmt_status)
4380{
4381 switch (type) {
4382 case DISCOV_TYPE_LE:
4383 *mgmt_status = mgmt_le_support(hdev);
4384 if (*mgmt_status)
4385 return false;
4386 break;
4387 case DISCOV_TYPE_INTERLEAVED:
4388 *mgmt_status = mgmt_le_support(hdev);
4389 if (*mgmt_status)
4390 return false;
4391 /* Intentional fall-through */
4392 case DISCOV_TYPE_BREDR:
4393 *mgmt_status = mgmt_bredr_support(hdev);
4394 if (*mgmt_status)
4395 return false;
4396 break;
4397 default:
4398 *mgmt_status = MGMT_STATUS_INVALID_PARAMS;
4399 return false;
4400 }
4401
4402 return true;
4403}
4404
bdb6d971 4405static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 4406 void *data, u16 len)
14a53664 4407{
650f726d 4408 struct mgmt_cp_start_discovery *cp = data;
3b0602cd 4409 struct mgmt_pending_cmd *cmd;
7c307720 4410 struct hci_request req;
8019044d 4411 u8 status;
14a53664
JH		 4412 int err;
4413
bdb6d971 4414 BT_DBG("%s", hdev->name);
14a53664 4415
09fd0de5 4416 hci_dev_lock(hdev);
14a53664 4417
4b34ee78 4418 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4419 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4420 MGMT_STATUS_NOT_POWERED,
4421 &cp->type, sizeof(cp->type));
bd2d1334
JH		 4422 goto failed;
4423 }
4424
f5a969f2 4425 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 4426 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 4427 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4428 MGMT_STATUS_BUSY, &cp->type,
4429 sizeof(cp->type));
642be6c7
AG		 4430 goto failed;
4431 }
4432
591752af
JH		 4433 if (!discovery_type_is_valid(hdev, cp->type, &status)) {
4434 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4435 status, &cp->type, sizeof(cp->type));
4436 goto failed;
4437 }
4438
2922a94f 4439 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, data, len);
14a53664
JH		 4440 if (!cmd) {
4441 err = -ENOMEM;
4442 goto failed;
4443 }
4444
2922a94f
JH		 4445 cmd->cmd_complete = generic_cmd_complete;
4446
22078800
MH		 4447 /* Clear the discovery filter first to free any previously
4448 * allocated memory for the UUID list.
4449 */
4450 hci_discovery_filter_clear(hdev);
4451
4aab14e5 4452 hdev->discovery.type = cp->type;
da25cf6a 4453 hdev->discovery.report_invalid_rssi = false;
4aab14e5 4454
7c307720
AG		 4455 hci_req_init(&req, hdev);
4456
8019044d 4457 if (!trigger_discovery(&req, &status)) {
2a1afb5a
JH		 4458 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4459 status, &cp->type, sizeof(cp->type));
04106755
JH		 4460 mgmt_pending_remove(cmd);
4461 goto failed;
f39799f5 4462 }
04106755 4463
7c307720 4464 err = hci_req_run(&req, start_discovery_complete);
f5a969f2 4465 if (err < 0) {
14a53664 4466 mgmt_pending_remove(cmd);
f5a969f2
MH		 4467 goto failed;
4468 }
7c307720 4469
f5a969f2 4470 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
7c307720 4471
14a53664 4472failed:
09fd0de5 4473 hci_dev_unlock(hdev);
14a53664
JH		 4474 return err;
4475}
f39799f5 4476
3b0602cd
JH		 4477static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
4478 u8 status)
2922a94f 4479{
2a1afb5a
JH		 4480 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
4481 cmd->param, 1);
2922a94f 4482}
04106755 4483
66ea9427
JP		 4484static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
4485 void *data, u16 len)
4486{
4487 struct mgmt_cp_start_service_discovery *cp = data;
3b0602cd 4488 struct mgmt_pending_cmd *cmd;
66ea9427
JP		 4489 struct hci_request req;
4490 const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
4491 u16 uuid_count, expected_len;
4492 u8 status;
4493 int err;
04106755 4494
66ea9427 4495 BT_DBG("%s", hdev->name);
e8bb6b97 4496
66ea9427 4497 hci_dev_lock(hdev);
7c307720 4498
66ea9427 4499 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4500 err = mgmt_cmd_complete(sk, hdev->id,
4501 MGMT_OP_START_SERVICE_DISCOVERY,
4502 MGMT_STATUS_NOT_POWERED,
4503 &cp->type, sizeof(cp->type));
66ea9427
JP		 4504 goto failed;
4505 }
7c307720 4506
66ea9427 4507 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 4508 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 4509 err = mgmt_cmd_complete(sk, hdev->id,
4510 MGMT_OP_START_SERVICE_DISCOVERY,
4511 MGMT_STATUS_BUSY, &cp->type,
4512 sizeof(cp->type));
66ea9427
JP		 4513 goto failed;
4514 }
d9483943 4515
66ea9427
JP		 4516 uuid_count = __le16_to_cpu(cp->uuid_count);
4517 if (uuid_count > max_uuid_count) {
4518 BT_ERR("service_discovery: too big uuid_count value %u",
4519 uuid_count);
2a1afb5a
JH		 4520 err = mgmt_cmd_complete(sk, hdev->id,
4521 MGMT_OP_START_SERVICE_DISCOVERY,
4522 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4523 sizeof(cp->type));
66ea9427
JP		 4524 goto failed;
4525 }
4526
4527 expected_len = sizeof(*cp) + uuid_count * 16;
4528 if (expected_len != len) {
4529 BT_ERR("service_discovery: expected %u bytes, got %u bytes",
4530 expected_len, len);
2a1afb5a
JH		 4531 err = mgmt_cmd_complete(sk, hdev->id,
4532 MGMT_OP_START_SERVICE_DISCOVERY,
4533 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4534 sizeof(cp->type));
66ea9427
JP		 4535 goto failed;
4536 }
4537
591752af
JH		 4538 if (!discovery_type_is_valid(hdev, cp->type, &status)) {
4539 err = mgmt_cmd_complete(sk, hdev->id,
4540 MGMT_OP_START_SERVICE_DISCOVERY,
4541 status, &cp->type, sizeof(cp->type));
4542 goto failed;
4543 }
4544
66ea9427 4545 cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
2922a94f 4546 hdev, data, len);
66ea9427
JP		 4547 if (!cmd) {
4548 err = -ENOMEM;
4549 goto failed;
4550 }
4551
2922a94f
JH		 4552 cmd->cmd_complete = service_discovery_cmd_complete;
4553
22078800
MH		 4554 /* Clear the discovery filter first to free any previously
4555 * allocated memory for the UUID list.
4556 */
4557 hci_discovery_filter_clear(hdev);
4558
82f8b651 4559 hdev->discovery.result_filtering = true;
66ea9427
JP		 4560 hdev->discovery.type = cp->type;
4561 hdev->discovery.rssi = cp->rssi;
4562 hdev->discovery.uuid_count = uuid_count;
4563
4564 if (uuid_count > 0) {
4565 hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16,
4566 GFP_KERNEL);
4567 if (!hdev->discovery.uuids) {
2a1afb5a
JH		 4568 err = mgmt_cmd_complete(sk, hdev->id,
4569 MGMT_OP_START_SERVICE_DISCOVERY,
4570 MGMT_STATUS_FAILED,
4571 &cp->type, sizeof(cp->type));
d9483943
JH		 4572 mgmt_pending_remove(cmd);
4573 goto failed;
4574 }
66ea9427 4575 }
d9483943 4576
66ea9427 4577 hci_req_init(&req, hdev);
5e0452c0 4578
66ea9427 4579 if (!trigger_discovery(&req, &status)) {
2a1afb5a
JH		 4580 err = mgmt_cmd_complete(sk, hdev->id,
4581 MGMT_OP_START_SERVICE_DISCOVERY,
4582 status, &cp->type, sizeof(cp->type));
04106755
JH		 4583 mgmt_pending_remove(cmd);
4584 goto failed;
f39799f5 4585 }
3fd24153 4586
7c307720 4587 err = hci_req_run(&req, start_discovery_complete);
66ea9427 4588 if (err < 0) {
14a53664 4589 mgmt_pending_remove(cmd);
66ea9427
JP		 4590 goto failed;
4591 }
4592
4593 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 4594
4595failed:
09fd0de5 4596 hci_dev_unlock(hdev);
14a53664
JH		 4597 return err;
4598}
4599
1904a853 4600static void stop_discovery_complete(struct hci_dev *hdev, u8 status, u16 opcode)
1183fdca 4601{
3b0602cd 4602 struct mgmt_pending_cmd *cmd;
1183fdca 4603
0e05bba6
AG		 4604 BT_DBG("status %d", status);
4605
4606 hci_dev_lock(hdev);
4607
333ae95d 4608 cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
11e6e25d 4609 if (cmd) {
2922a94f 4610 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d 4611 mgmt_pending_remove(cmd);
0e05bba6
AG		 4612 }
4613
11e6e25d
MH		 4614 if (!status)
4615 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
0e05bba6 4616
0e05bba6
AG		 4617 hci_dev_unlock(hdev);
4618}
4619
bdb6d971 4620static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4621 u16 len)
14a53664 4622{
d930650b 4623 struct mgmt_cp_stop_discovery *mgmt_cp = data;
3b0602cd 4624 struct mgmt_pending_cmd *cmd;
0e05bba6 4625 struct hci_request req;
14a53664
JH		 4626 int err;
4627
bdb6d971 4628 BT_DBG("%s", hdev->name);
14a53664 4629
09fd0de5 4630 hci_dev_lock(hdev);
14a53664 4631
30dc78e1 4632 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 4633 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4634 MGMT_STATUS_REJECTED, &mgmt_cp->type,
4635 sizeof(mgmt_cp->type));
d930650b
JH		 4636 goto unlock;
4637 }
4638
4639 if (hdev->discovery.type != mgmt_cp->type) {
2a1afb5a
JH		 4640 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4641 MGMT_STATUS_INVALID_PARAMS,
4642 &mgmt_cp->type, sizeof(mgmt_cp->type));
30dc78e1 4643 goto unlock;
ff9ef578
JH		 4644 }
4645
2922a94f 4646 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
14a53664
JH		 4647 if (!cmd) {
4648 err = -ENOMEM;
30dc78e1
JH		 4649 goto unlock;
4650 }
4651
2922a94f
JH		 4652 cmd->cmd_complete = generic_cmd_complete;
4653
0e05bba6
AG		 4654 hci_req_init(&req, hdev);
4655
21a60d30 4656 hci_stop_discovery(&req);
e0d9727e 4657
21a60d30
JH		 4658 err = hci_req_run(&req, stop_discovery_complete);
4659 if (!err) {
4660 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 4661 goto unlock;
14a53664
JH		 4662 }
4663
21a60d30
JH		 4664 mgmt_pending_remove(cmd);
4665
4666 /* If no HCI commands were sent we're done */
4667 if (err == -ENODATA) {
2a1afb5a
JH		 4668 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
4669 &mgmt_cp->type, sizeof(mgmt_cp->type));
21a60d30
JH		 4670 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4671 }
14a53664 4672
30dc78e1 4673unlock:
09fd0de5 4674 hci_dev_unlock(hdev);
14a53664
JH		 4675 return err;
4676}
4677
bdb6d971 4678static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4679 u16 len)
561aafbc 4680{
650f726d 4681 struct mgmt_cp_confirm_name *cp = data;
561aafbc 4682 struct inquiry_entry *e;
561aafbc
JH		 4683 int err;
4684
bdb6d971 4685 BT_DBG("%s", hdev->name);
561aafbc 4686
561aafbc
JH		 4687 hci_dev_lock(hdev);
4688
30dc78e1 4689 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 4690 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4691 MGMT_STATUS_FAILED, &cp->addr,
4692 sizeof(cp->addr));
30dc78e1
JH		 4693 goto failed;
4694 }
4695
a198e7b1 4696 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 4697 if (!e) {
2a1afb5a
JH		 4698 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4699 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
4700 sizeof(cp->addr));
561aafbc
JH		 4701 goto failed;
4702 }
4703
4704 if (cp->name_known) {
4705 e->name_state = NAME_KNOWN;
4706 list_del(&e->list);
4707 } else {
4708 e->name_state = NAME_NEEDED;
a3d4e20a 4709 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 4710 }
4711
2a1afb5a
JH		 4712 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0,
4713 &cp->addr, sizeof(cp->addr));
561aafbc
JH		 4714
4715failed:
4716 hci_dev_unlock(hdev);
561aafbc
JH		 4717 return err;
4718}
4719
bdb6d971 4720static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4721 u16 len)
7fbec224 4722{
650f726d 4723 struct mgmt_cp_block_device *cp = data;
f0eeea8b 4724 u8 status;
7fbec224
AJ		 4725 int err;
4726
bdb6d971 4727 BT_DBG("%s", hdev->name);
7fbec224 4728
4ee71b20 4729 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4730 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
4731 MGMT_STATUS_INVALID_PARAMS,
4732 &cp->addr, sizeof(cp->addr));
4ee71b20 4733
09fd0de5 4734 hci_dev_lock(hdev);
5e762444 4735
dcc36c16
JH		 4736 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
4737 cp->addr.type);
2a8357f2 4738 if (err < 0) {
f0eeea8b 4739 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 4740 goto done;
4741 }
4742
4743 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4744 sk);
4745 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4746
2a8357f2 4747done:
2a1afb5a
JH		 4748 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
4749 &cp->addr, sizeof(cp->addr));
5e762444 4750
09fd0de5 4751 hci_dev_unlock(hdev);
7fbec224
AJ		 4752
4753 return err;
4754}
4755
bdb6d971 4756static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4757 u16 len)
7fbec224 4758{
650f726d 4759 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 4760 u8 status;
7fbec224
AJ		 4761 int err;
4762
bdb6d971 4763 BT_DBG("%s", hdev->name);
7fbec224 4764
4ee71b20 4765 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4766 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4767 MGMT_STATUS_INVALID_PARAMS,
4768 &cp->addr, sizeof(cp->addr));
4ee71b20 4769
09fd0de5 4770 hci_dev_lock(hdev);
5e762444 4771
dcc36c16
JH		 4772 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4773 cp->addr.type);
2a8357f2 4774 if (err < 0) {
f0eeea8b 4775 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 4776 goto done;
4777 }
4778
4779 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4780 sk);
4781 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4782
2a8357f2 4783done:
2a1afb5a
JH		 4784 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
4785 &cp->addr, sizeof(cp->addr));
5e762444 4786
09fd0de5 4787 hci_dev_unlock(hdev);
7fbec224
AJ		 4788
4789 return err;
4790}
4791
cdbaccca
MH		 4792static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4793 u16 len)
4794{
4795 struct mgmt_cp_set_device_id *cp = data;
890ea898 4796 struct hci_request req;
cdbaccca 4797 int err;
c72d4b8a 4798 __u16 source;
cdbaccca
MH		 4799
4800 BT_DBG("%s", hdev->name);
4801
c72d4b8a
SJ		 4802 source = __le16_to_cpu(cp->source);
4803
4804 if (source > 0x0002)
a69e8375
JH		 4805 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4806 MGMT_STATUS_INVALID_PARAMS);
c72d4b8a 4807
cdbaccca
MH		 4808 hci_dev_lock(hdev);
4809
c72d4b8a 4810 hdev->devid_source = source;
cdbaccca
MH		 4811 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4812 hdev->devid_product = __le16_to_cpu(cp->product);
4813 hdev->devid_version = __le16_to_cpu(cp->version);
4814
2a1afb5a
JH		 4815 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
4816 NULL, 0);
cdbaccca 4817
890ea898
JH		 4818 hci_req_init(&req, hdev);
4819 update_eir(&req);
4820 hci_req_run(&req, NULL);
cdbaccca
MH		 4821
4822 hci_dev_unlock(hdev);
4823
4824 return err;
4825}
4826
24b4f38f
AU		 4827static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
4828 u16 opcode)
4829{
4830 BT_DBG("status %d", status);
4831}
4832
1904a853
MH		 4833static void set_advertising_complete(struct hci_dev *hdev, u8 status,
4834 u16 opcode)
4375f103
JH		 4835{
4836 struct cmd_lookup match = { NULL, hdev };
24b4f38f 4837 struct hci_request req;
7816b820
FG		 4838 u8 instance;
4839 struct adv_info *adv_instance;
4840 int err;
4375f103 4841
3ad67582
JK		 4842 hci_dev_lock(hdev);
4843
4375f103
JH		 4844 if (status) {
4845 u8 mgmt_err = mgmt_status(status);
4846
4847 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4848 cmd_status_rsp, &mgmt_err);
3ad67582 4849 goto unlock;
4375f103
JH		 4850 }
4851
d7a5a11d 4852 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
a1536da2 4853 hci_dev_set_flag(hdev, HCI_ADVERTISING);
c93bd150 4854 else
a358dc11 4855 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
c93bd150 4856
4375f103
JH		 4857 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4858 &match);
4859
4860 new_settings(hdev, match.sk);
4861
4862 if (match.sk)
4863 sock_put(match.sk);
3ad67582 4864
24b4f38f 4865 /* If "Set Advertising" was just disabled and instance advertising was
7816b820 4866 * set up earlier, then re-enable multi-instance advertising.
24b4f38f
AU		 4867 */
4868 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7816b820
FG		 4869 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) ||
4870 list_empty(&hdev->adv_instances))
24b4f38f
AU		 4871 goto unlock;
4872
7816b820
FG		 4873 instance = hdev->cur_adv_instance;
4874 if (!instance) {
4875 adv_instance = list_first_entry_or_null(&hdev->adv_instances,
4876 struct adv_info, list);
4877 if (!adv_instance)
4878 goto unlock;
4879
4880 instance = adv_instance->instance;
4881 }
4882
24b4f38f
AU		 4883 hci_req_init(&req, hdev);
4884
7816b820
FG		 4885 err = schedule_adv_instance(&req, instance, true);
4886
4887 if (!err)
4888 err = hci_req_run(&req, enable_advertising_instance);
24b4f38f 4889
7816b820 4890 if (err)
24b4f38f
AU		 4891 BT_ERR("Failed to re-configure advertising");
4892
3ad67582
JK		 4893unlock:
4894 hci_dev_unlock(hdev);
4375f103
JH		 4895}
4896
21b5187f
MH		 4897static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4898 u16 len)
4375f103
JH		 4899{
4900 struct mgmt_mode *cp = data;
3b0602cd 4901 struct mgmt_pending_cmd *cmd;
4375f103 4902 struct hci_request req;
cc91cb04 4903 u8 val, status;
4375f103
JH		 4904 int err;
4905
4906 BT_DBG("request for %s", hdev->name);
4907
e6fe7986
JH		 4908 status = mgmt_le_support(hdev);
4909 if (status)
a69e8375
JH		 4910 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4911 status);
4375f103 4912
cc91cb04 4913 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 4914 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4915 MGMT_STATUS_INVALID_PARAMS);
4375f103
JH		 4916
4917 hci_dev_lock(hdev);
4918
4919 val = !!cp->val;
4375f103 4920
f74ca9b8
JH		 4921 /* The following conditions are ones which mean that we should
4922 * not do any HCI communication but directly send a mgmt
4923 * response to user space (after toggling the flag if
4924 * necessary).
4925 */
cc91cb04 4926 if (!hdev_is_powered(hdev) ||
d7a5a11d
MH		 4927 (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
4928 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) ||
e8bb6b97 4929 hci_conn_num(hdev, LE_LINK) > 0 ||
d7a5a11d 4930 (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
e8bb6b97 4931 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
cc91cb04 4932 bool changed;
4375f103 4933
cc91cb04 4934 if (cp->val) {
238be788 4935 changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING);
cc91cb04 4936 if (cp->val == 0x02)
a1536da2 4937 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4938 else
a358dc11 4939 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4940 } else {
a69d8927 4941 changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING);
a358dc11 4942 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
4375f103
JH		 4943 }
4944
4945 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4946 if (err < 0)
4947 goto unlock;
4948
4949 if (changed)
4950 err = new_settings(hdev, sk);
4951
4952 goto unlock;
4953 }
4954
333ae95d
JH		 4955 if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4956 pending_find(MGMT_OP_SET_LE, hdev)) {
a69e8375
JH		 4957 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4958 MGMT_STATUS_BUSY);
4375f103
JH		 4959 goto unlock;
4960 }
4961
4962 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4963 if (!cmd) {
4964 err = -ENOMEM;
4965 goto unlock;
4966 }
4967
4968 hci_req_init(&req, hdev);
4969
cc91cb04 4970 if (cp->val == 0x02)
a1536da2 4971 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4972 else
a358dc11 4973 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4974
7816b820
FG		 4975 cancel_adv_timeout(hdev);
4976
24b4f38f 4977 if (val) {
7816b820
FG		 4978 /* Switch to instance "0" for the Set Advertising setting.
4979 * We cannot use update_[adv|scan_rsp]_data() here as the
4980 * HCI_ADVERTISING flag is not yet set.
4981 */
efae002c
FG		 4982 update_inst_adv_data(&req, 0x00);
4983 update_inst_scan_rsp_data(&req, 0x00);
bba3aa55 4984 enable_advertising(&req);
24b4f38f 4985 } else {
bba3aa55 4986 disable_advertising(&req);
24b4f38f 4987 }
4375f103
JH		 4988
4989 err = hci_req_run(&req, set_advertising_complete);
4990 if (err < 0)
4991 mgmt_pending_remove(cmd);
4992
4993unlock:
4994 hci_dev_unlock(hdev);
4995 return err;
4996}
4997
d13eafce
MH		 4998static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4999 void *data, u16 len)
5000{
5001 struct mgmt_cp_set_static_address *cp = data;
5002 int err;
5003
5004 BT_DBG("%s", hdev->name);
5005
62af4443 5006 if (!lmp_le_capable(hdev))
a69e8375
JH		 5007 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
5008 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 5009
5010 if (hdev_is_powered(hdev))
a69e8375
JH		 5011 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
5012 MGMT_STATUS_REJECTED);
d13eafce
MH		 5013
5014 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
5015 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
a69e8375
JH		 5016 return mgmt_cmd_status(sk, hdev->id,
5017 MGMT_OP_SET_STATIC_ADDRESS,
5018 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 5019
5020 /* Two most significant bits shall be set */
5021 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
a69e8375
JH		 5022 return mgmt_cmd_status(sk, hdev->id,
5023 MGMT_OP_SET_STATIC_ADDRESS,
5024 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 5025 }
5026
5027 hci_dev_lock(hdev);
5028
5029 bacpy(&hdev->static_addr, &cp->bdaddr);
5030
93690c22
MH		 5031 err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev);
5032 if (err < 0)
5033 goto unlock;
5034
5035 err = new_settings(hdev, sk);
d13eafce 5036
93690c22 5037unlock:
d13eafce 5038 hci_dev_unlock(hdev);
d13eafce
MH		 5039 return err;
5040}
5041
14b49b9a
MH		 5042static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
5043 void *data, u16 len)
5044{
5045 struct mgmt_cp_set_scan_params *cp = data;
5046 __u16 interval, window;
5047 int err;
5048
5049 BT_DBG("%s", hdev->name);
5050
5051 if (!lmp_le_capable(hdev))
a69e8375
JH		 5052 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5053 MGMT_STATUS_NOT_SUPPORTED);
14b49b9a
MH		 5054
5055 interval = __le16_to_cpu(cp->interval);
5056
5057 if (interval < 0x0004 || interval > 0x4000)
a69e8375
JH		 5058 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5059 MGMT_STATUS_INVALID_PARAMS);
14b49b9a
MH		 5060
5061 window = __le16_to_cpu(cp->window);
5062
5063 if (window < 0x0004 || window > 0x4000)
a69e8375
JH		 5064 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5065 MGMT_STATUS_INVALID_PARAMS);
14b49b9a 5066
899e1075 5067 if (window > interval)
a69e8375
JH		 5068 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5069 MGMT_STATUS_INVALID_PARAMS);
899e1075 5070
14b49b9a
MH		 5071 hci_dev_lock(hdev);
5072
5073 hdev->le_scan_interval = interval;
5074 hdev->le_scan_window = window;
5075
2a1afb5a
JH		 5076 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0,
5077 NULL, 0);
14b49b9a 5078
dd2ef8e2
AG		 5079 /* If background scan is running, restart it so new parameters are
5080 * loaded.
5081 */
d7a5a11d 5082 if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
dd2ef8e2
AG		 5083 hdev->discovery.state == DISCOVERY_STOPPED) {
5084 struct hci_request req;
5085
5086 hci_req_init(&req, hdev);
5087
5088 hci_req_add_le_scan_disable(&req);
5089 hci_req_add_le_passive_scan(&req);
5090
5091 hci_req_run(&req, NULL);
5092 }
5093
14b49b9a
MH		 5094 hci_dev_unlock(hdev);
5095
5096 return err;
5097}
5098
1904a853
MH		 5099static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
5100 u16 opcode)
33e38b3e 5101{
3b0602cd 5102 struct mgmt_pending_cmd *cmd;
33e38b3e
JH		 5103
5104 BT_DBG("status 0x%02x", status);
5105
5106 hci_dev_lock(hdev);
5107
333ae95d 5108 cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
33e38b3e
JH		 5109 if (!cmd)
5110 goto unlock;
5111
5112 if (status) {
a69e8375
JH		 5113 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5114 mgmt_status(status));
33e38b3e 5115 } else {
1a4d3c4b
JH		 5116 struct mgmt_mode *cp = cmd->param;
5117
5118 if (cp->val)
a1536da2 5119 hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 5120 else
a358dc11 5121 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 5122
33e38b3e
JH		 5123 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
5124 new_settings(hdev, cmd->sk);
5125 }
5126
5127 mgmt_pending_remove(cmd);
5128
5129unlock:
5130 hci_dev_unlock(hdev);
5131}
5132
bdb6d971 5133static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 5134 void *data, u16 len)
f6422ec6 5135{
650f726d 5136 struct mgmt_mode *cp = data;
3b0602cd 5137 struct mgmt_pending_cmd *cmd;
33e38b3e 5138 struct hci_request req;
f6422ec6
AJ		 5139 int err;
5140
bdb6d971 5141 BT_DBG("%s", hdev->name);
f6422ec6 5142
d7a5a11d 5143 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
56f87901 5144 hdev->hci_ver < BLUETOOTH_VER_1_2)
a69e8375
JH		 5145 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5146 MGMT_STATUS_NOT_SUPPORTED);
33c525c0 5147
a7e80f25 5148 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 5149 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5150 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 5151
f6422ec6
AJ		 5152 hci_dev_lock(hdev);
5153
333ae95d 5154 if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
a69e8375
JH		 5155 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5156 MGMT_STATUS_BUSY);
05cbf29f
JH		 5157 goto unlock;
5158 }
5159
d7a5a11d 5160 if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) {
1a4d3c4b
JH		 5161 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5162 hdev);
5163 goto unlock;
5164 }
5165
406ef2a6 5166 if (!hdev_is_powered(hdev)) {
ce05d603 5167 hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE);
406ef2a6
JH		 5168 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5169 hdev);
5170 new_settings(hdev, sk);
5171 goto unlock;
5172 }
5173
33e38b3e
JH		 5174 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
5175 data, len);
5176 if (!cmd) {
5177 err = -ENOMEM;
5178 goto unlock;
f6422ec6
AJ		 5179 }
5180
33e38b3e
JH		 5181 hci_req_init(&req, hdev);
5182
406d7804 5183 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 5184
5185 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 5186 if (err < 0) {
a69e8375
JH		 5187 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5188 MGMT_STATUS_FAILED);
33e38b3e 5189 mgmt_pending_remove(cmd);
f6422ec6
AJ		 5190 }
5191
33e38b3e 5192unlock:
f6422ec6 5193 hci_dev_unlock(hdev);
33e38b3e 5194
f6422ec6
AJ		 5195 return err;
5196}
5197
1904a853 5198static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
0663ca2a 5199{
3b0602cd 5200 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 5201
5202 BT_DBG("status 0x%02x", status);
5203
5204 hci_dev_lock(hdev);
5205
333ae95d 5206 cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
0663ca2a
JH		 5207 if (!cmd)
5208 goto unlock;
5209
5210 if (status) {
5211 u8 mgmt_err = mgmt_status(status);
5212
5213 /* We need to restore the flag if related HCI commands
5214 * failed.
5215 */
a358dc11 5216 hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a 5217
a69e8375 5218 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
0663ca2a
JH		 5219 } else {
5220 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
5221 new_settings(hdev, cmd->sk);
5222 }
5223
5224 mgmt_pending_remove(cmd);
5225
5226unlock:
5227 hci_dev_unlock(hdev);
5228}
5229
5230static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
5231{
5232 struct mgmt_mode *cp = data;
3b0602cd 5233 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 5234 struct hci_request req;
5235 int err;
5236
5237 BT_DBG("request for %s", hdev->name);
5238
5239 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
a69e8375
JH		 5240 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5241 MGMT_STATUS_NOT_SUPPORTED);
0663ca2a 5242
d7a5a11d 5243 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 5244 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5245 MGMT_STATUS_REJECTED);
0663ca2a
JH		 5246
5247 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 5248 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5249 MGMT_STATUS_INVALID_PARAMS);
0663ca2a
JH		 5250
5251 hci_dev_lock(hdev);
5252
d7a5a11d 5253 if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
0663ca2a
JH		 5254 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5255 goto unlock;
5256 }
5257
5258 if (!hdev_is_powered(hdev)) {
5259 if (!cp->val) {
a358dc11
MH		 5260 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
5261 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
5262 hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
5263 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
5264 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
0663ca2a
JH		 5265 }
5266
ce05d603 5267 hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 5268
5269 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5270 if (err < 0)
5271 goto unlock;
5272
5273 err = new_settings(hdev, sk);
5274 goto unlock;
5275 }
5276
5277 /* Reject disabling when powered on */
5278 if (!cp->val) {
a69e8375
JH		 5279 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5280 MGMT_STATUS_REJECTED);
0663ca2a 5281 goto unlock;
111e4bcc
MH		 5282 } else {
5283 /* When configuring a dual-mode controller to operate
5284 * with LE only and using a static address, then switching
5285 * BR/EDR back on is not allowed.
5286 *
5287 * Dual-mode controllers shall operate with the public
5288 * address as its identity address for BR/EDR and LE. So
5289 * reject the attempt to create an invalid configuration.
3a5486e1
MH		 5290 *
5291 * The same restrictions applies when secure connections
5292 * has been enabled. For BR/EDR this is a controller feature
5293 * while for LE it is a host stack feature. This means that
5294 * switching BR/EDR back on when secure connections has been
5295 * enabled is not a supported transaction.
111e4bcc 5296 */
d7a5a11d 5297 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
3a5486e1 5298 (bacmp(&hdev->static_addr, BDADDR_ANY) ||
d7a5a11d 5299 hci_dev_test_flag(hdev, HCI_SC_ENABLED))) {
a69e8375
JH		 5300 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5301 MGMT_STATUS_REJECTED);
111e4bcc
MH		 5302 goto unlock;
5303 }
0663ca2a
JH		 5304 }
5305
333ae95d 5306 if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
a69e8375
JH		 5307 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5308 MGMT_STATUS_BUSY);
0663ca2a
JH		 5309 goto unlock;
5310 }
5311
5312 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
5313 if (!cmd) {
5314 err = -ENOMEM;
5315 goto unlock;
5316 }
5317
5947f4bc 5318 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 5319 * generates the correct flags.
5320 */
a1536da2 5321 hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 5322
5323 hci_req_init(&req, hdev);
aa8af46e 5324
432df05e 5325 write_fast_connectable(&req, false);
1d2dc5b7 5326 __hci_update_page_scan(&req);
aa8af46e 5327
f14d8f64
MH		 5328 /* Since only the advertising data flags will change, there
5329 * is no need to update the scan response data.
5330 */
5947f4bc 5331 update_adv_data(&req);
aa8af46e 5332
0663ca2a
JH		 5333 err = hci_req_run(&req, set_bredr_complete);
5334 if (err < 0)
5335 mgmt_pending_remove(cmd);
5336
5337unlock:
5338 hci_dev_unlock(hdev);
5339 return err;
5340}
5341
a1443f5a
JH		 5342static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5343{
3b0602cd 5344 struct mgmt_pending_cmd *cmd;
a1443f5a
JH		 5345 struct mgmt_mode *cp;
5346
5347 BT_DBG("%s status %u", hdev->name, status);
5348
5349 hci_dev_lock(hdev);
5350
333ae95d 5351 cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev);
a1443f5a
JH		 5352 if (!cmd)
5353 goto unlock;
5354
5355 if (status) {
a69e8375
JH		 5356 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
5357 mgmt_status(status));
a1443f5a
JH		 5358 goto remove;
5359 }
5360
5361 cp = cmd->param;
5362
5363 switch (cp->val) {
5364 case 0x00:
a358dc11
MH		 5365 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
5366 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5367 break;
5368 case 0x01:
a1536da2 5369 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
a358dc11 5370 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5371 break;
5372 case 0x02:
a1536da2
MH		 5373 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
5374 hci_dev_set_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5375 break;
5376 }
5377
5378 send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev);
5379 new_settings(hdev, cmd->sk);
5380
5381remove:
5382 mgmt_pending_remove(cmd);
5383unlock:
5384 hci_dev_unlock(hdev);
5385}
5386
eac83dc6
MH		 5387static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
5388 void *data, u16 len)
5389{
5390 struct mgmt_mode *cp = data;
3b0602cd 5391 struct mgmt_pending_cmd *cmd;
a1443f5a 5392 struct hci_request req;
a3209694 5393 u8 val;
eac83dc6
MH		 5394 int err;
5395
5396 BT_DBG("request for %s", hdev->name);
5397
05b3c3e7 5398 if (!lmp_sc_capable(hdev) &&
d7a5a11d 5399 !hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 5400 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5401 MGMT_STATUS_NOT_SUPPORTED);
eac83dc6 5402
d7a5a11d 5403 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
59200286 5404 lmp_sc_capable(hdev) &&
d7a5a11d 5405 !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 5406 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5407 MGMT_STATUS_REJECTED);
ed93ec69 5408
0ab04a9c 5409 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375 5410 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
eac83dc6
MH		 5411 MGMT_STATUS_INVALID_PARAMS);
5412
5413 hci_dev_lock(hdev);
5414
05b3c3e7 5415 if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) ||
d7a5a11d 5416 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
eac83dc6
MH		 5417 bool changed;
5418
0ab04a9c 5419 if (cp->val) {
238be788
MH		 5420 changed = !hci_dev_test_and_set_flag(hdev,
5421 HCI_SC_ENABLED);
0ab04a9c 5422 if (cp->val == 0x02)
a1536da2 5423 hci_dev_set_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5424 else
a358dc11 5425 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5426 } else {
a69d8927
MH		 5427 changed = hci_dev_test_and_clear_flag(hdev,
5428 HCI_SC_ENABLED);
a358dc11 5429 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5430 }
eac83dc6
MH		 5431
5432 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5433 if (err < 0)
5434 goto failed;
5435
5436 if (changed)
5437 err = new_settings(hdev, sk);
5438
5439 goto failed;
5440 }
5441
333ae95d 5442 if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
a69e8375
JH		 5443 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5444 MGMT_STATUS_BUSY);
eac83dc6
MH		 5445 goto failed;
5446 }
5447
0ab04a9c
MH		 5448 val = !!cp->val;
5449
d7a5a11d
MH		 5450 if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
5451 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
eac83dc6
MH		 5452 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5453 goto failed;
5454 }
5455
5456 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
5457 if (!cmd) {
5458 err = -ENOMEM;
5459 goto failed;
5460 }
5461
a1443f5a
JH		 5462 hci_req_init(&req, hdev);
5463 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
5464 err = hci_req_run(&req, sc_enable_complete);
eac83dc6
MH		 5465 if (err < 0) {
5466 mgmt_pending_remove(cmd);
5467 goto failed;
5468 }
5469
5470failed:
5471 hci_dev_unlock(hdev);
5472 return err;
5473}
5474
4e39ac81
MH		 5475static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
5476 void *data, u16 len)
5477{
5478 struct mgmt_mode *cp = data;
b9710979 5479 bool changed, use_changed;
4e39ac81
MH		 5480 int err;
5481
5482 BT_DBG("request for %s", hdev->name);
5483
b9710979 5484 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 5485 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
5486 MGMT_STATUS_INVALID_PARAMS);
4e39ac81
MH		 5487
5488 hci_dev_lock(hdev);
5489
5490 if (cp->val)
238be788 5491 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
4e39ac81 5492 else
a69d8927
MH		 5493 changed = hci_dev_test_and_clear_flag(hdev,
5494 HCI_KEEP_DEBUG_KEYS);
4e39ac81 5495
b9710979 5496 if (cp->val == 0x02)
238be788
MH		 5497 use_changed = !hci_dev_test_and_set_flag(hdev,
5498 HCI_USE_DEBUG_KEYS);
b9710979 5499 else
a69d8927
MH		 5500 use_changed = hci_dev_test_and_clear_flag(hdev,
5501 HCI_USE_DEBUG_KEYS);
b9710979
JH		 5502
5503 if (hdev_is_powered(hdev) && use_changed &&
d7a5a11d 5504 hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
b9710979
JH		 5505 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
5506 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
5507 sizeof(mode), &mode);
5508 }
5509
4e39ac81
MH		 5510 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
5511 if (err < 0)
5512 goto unlock;
5513
5514 if (changed)
5515 err = new_settings(hdev, sk);
5516
5517unlock:
5518 hci_dev_unlock(hdev);
5519 return err;
5520}
5521
62b04cd1
JH		 5522static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5523 u16 len)
5524{
5525 struct mgmt_cp_set_privacy *cp = cp_data;
5526 bool changed;
5527 int err;
5528
5529 BT_DBG("request for %s", hdev->name);
5530
5531 if (!lmp_le_capable(hdev))
a69e8375
JH		 5532 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5533 MGMT_STATUS_NOT_SUPPORTED);
62b04cd1
JH		 5534
5535 if (cp->privacy != 0x00 && cp->privacy != 0x01)
a69e8375
JH		 5536 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5537 MGMT_STATUS_INVALID_PARAMS);
62b04cd1
JH		 5538
5539 if (hdev_is_powered(hdev))
a69e8375
JH		 5540 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5541 MGMT_STATUS_REJECTED);
62b04cd1
JH		 5542
5543 hci_dev_lock(hdev);
5544
c21c0ea0
JH		 5545 /* If user space supports this command it is also expected to
5546 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
5547 */
a1536da2 5548 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
c21c0ea0 5549
62b04cd1 5550 if (cp->privacy) {
238be788 5551 changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY);
62b04cd1 5552 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
a1536da2 5553 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
62b04cd1 5554 } else {
a69d8927 5555 changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY);
62b04cd1 5556 memset(hdev->irk, 0, sizeof(hdev->irk));
a358dc11 5557 hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED);
62b04cd1
JH		 5558 }
5559
5560 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
5561 if (err < 0)
5562 goto unlock;
5563
5564 if (changed)
5565 err = new_settings(hdev, sk);
5566
5567unlock:
5568 hci_dev_unlock(hdev);
5569 return err;
5570}
5571
41edf160
JH		 5572static bool irk_is_valid(struct mgmt_irk_info *irk)
5573{
5574 switch (irk->addr.type) {
5575 case BDADDR_LE_PUBLIC:
5576 return true;
5577
5578 case BDADDR_LE_RANDOM:
5579 /* Two most significant bits shall be set */
5580 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5581 return false;
5582 return true;
5583 }
5584
5585 return false;
5586}
5587
5588static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5589 u16 len)
5590{
5591 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 5592 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
5593 sizeof(struct mgmt_irk_info));
41edf160
JH		 5594 u16 irk_count, expected_len;
5595 int i, err;
5596
5597 BT_DBG("request for %s", hdev->name);
5598
5599 if (!lmp_le_capable(hdev))
a69e8375
JH		 5600 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5601 MGMT_STATUS_NOT_SUPPORTED);
41edf160
JH		 5602
5603 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 5604 if (irk_count > max_irk_count) {
5605 BT_ERR("load_irks: too big irk_count value %u", irk_count);
a69e8375
JH		 5606 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5607 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5608 }
41edf160
JH		 5609
5610 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
5611 if (expected_len != len) {
5612 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 5613 expected_len, len);
a69e8375
JH		 5614 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5615 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 5616 }
5617
5618 BT_DBG("%s irk_count %u", hdev->name, irk_count);
5619
5620 for (i = 0; i < irk_count; i++) {
5621 struct mgmt_irk_info *key = &cp->irks[i];
5622
5623 if (!irk_is_valid(key))
a69e8375
JH		 5624 return mgmt_cmd_status(sk, hdev->id,
5625 MGMT_OP_LOAD_IRKS,
5626 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 5627 }
5628
5629 hci_dev_lock(hdev);
5630
5631 hci_smp_irks_clear(hdev);
5632
5633 for (i = 0; i < irk_count; i++) {
5634 struct mgmt_irk_info *irk = &cp->irks[i];
41edf160 5635
85813a7e
JH		 5636 hci_add_irk(hdev, &irk->addr.bdaddr,
5637 le_addr_type(irk->addr.type), irk->val,
41edf160
JH		 5638 BDADDR_ANY);
5639 }
5640
a1536da2 5641 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
41edf160 5642
2a1afb5a 5643 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
41edf160
JH		 5644
5645 hci_dev_unlock(hdev);
5646
5647 return err;
5648}
5649
3f706b72
JH		 5650static bool ltk_is_valid(struct mgmt_ltk_info *key)
5651{
5652 if (key->master != 0x00 && key->master != 0x01)
5653 return false;
490cb0b3
MH		 5654
5655 switch (key->addr.type) {
5656 case BDADDR_LE_PUBLIC:
5657 return true;
5658
5659 case BDADDR_LE_RANDOM:
5660 /* Two most significant bits shall be set */
5661 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5662 return false;
5663 return true;
5664 }
5665
5666 return false;
3f706b72
JH		 5667}
5668
bdb6d971 5669static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 5670 void *cp_data, u16 len)
346af67b 5671{
346af67b 5672 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 5673 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
5674 sizeof(struct mgmt_ltk_info));
346af67b 5675 u16 key_count, expected_len;
715a5bf2 5676 int i, err;
346af67b 5677
cf99ba13
MH		 5678 BT_DBG("request for %s", hdev->name);
5679
5680 if (!lmp_le_capable(hdev))
a69e8375
JH		 5681 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5682 MGMT_STATUS_NOT_SUPPORTED);
cf99ba13 5683
1f350c87 5684 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 5685 if (key_count > max_key_count) {
5686 BT_ERR("load_ltks: too big key_count value %u", key_count);
a69e8375
JH		 5687 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5688 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5689 }
346af67b
VCG		 5690
5691 expected_len = sizeof(*cp) + key_count *
5692 sizeof(struct mgmt_ltk_info);
5693 if (expected_len != len) {
5694 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 5695 expected_len, len);
a69e8375
JH		 5696 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5697 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 5698 }
5699
bdb6d971 5700 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 5701
54ad6d8a
JH		 5702 for (i = 0; i < key_count; i++) {
5703 struct mgmt_ltk_info *key = &cp->keys[i];
5704
3f706b72 5705 if (!ltk_is_valid(key))
a69e8375
JH		 5706 return mgmt_cmd_status(sk, hdev->id,
5707 MGMT_OP_LOAD_LONG_TERM_KEYS,
5708 MGMT_STATUS_INVALID_PARAMS);
54ad6d8a
JH		 5709 }
5710
346af67b
VCG		 5711 hci_dev_lock(hdev);
5712
5713 hci_smp_ltks_clear(hdev);
5714
5715 for (i = 0; i < key_count; i++) {
5716 struct mgmt_ltk_info *key = &cp->keys[i];
85813a7e 5717 u8 type, authenticated;
346af67b 5718
61b43357
JH		 5719 switch (key->type) {
5720 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 5721 authenticated = 0x00;
23fb8de3 5722 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
61b43357
JH		 5723 break;
5724 case MGMT_LTK_AUTHENTICATED:
d7b25450 5725 authenticated = 0x01;
23fb8de3
JH		 5726 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
5727 break;
5728 case MGMT_LTK_P256_UNAUTH:
5729 authenticated = 0x00;
5730 type = SMP_LTK_P256;
61b43357 5731 break;
23fb8de3
JH		 5732 case MGMT_LTK_P256_AUTH:
5733 authenticated = 0x01;
5734 type = SMP_LTK_P256;
61b43357 5735 break;
23fb8de3
JH		 5736 case MGMT_LTK_P256_DEBUG:
5737 authenticated = 0x00;
5738 type = SMP_LTK_P256_DEBUG;
61b43357
JH		 5739 default:
5740 continue;
5741 }
d7b25450 5742
85813a7e
JH		 5743 hci_add_ltk(hdev, &key->addr.bdaddr,
5744 le_addr_type(key->addr.type), type, authenticated,
5745 key->val, key->enc_size, key->ediv, key->rand);
346af67b
VCG		 5746 }
5747
2a1afb5a 5748 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
715a5bf2
JH		 5749 NULL, 0);
5750
346af67b 5751 hci_dev_unlock(hdev);
346af67b 5752
715a5bf2 5753 return err;
346af67b
VCG		 5754}
5755
3b0602cd 5756static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
dd983808 5757{
dd983808 5758 struct hci_conn *conn = cmd->user_data;
9981bdb0 5759 struct mgmt_rp_get_conn_info rp;
9df74653 5760 int err;
dd983808 5761
9981bdb0 5762 memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
dd983808 5763
9981bdb0 5764 if (status == MGMT_STATUS_SUCCESS) {
dd983808 5765 rp.rssi = conn->rssi;
9981bdb0
JH		 5766 rp.tx_power = conn->tx_power;
5767 rp.max_tx_power = conn->max_tx_power;
5768 } else {
5769 rp.rssi = HCI_RSSI_INVALID;
5770 rp.tx_power = HCI_TX_POWER_INVALID;
5771 rp.max_tx_power = HCI_TX_POWER_INVALID;
dd983808
AK		 5772 }
5773
2a1afb5a
JH		 5774 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
5775 status, &rp, sizeof(rp));
dd983808
AK		 5776
5777 hci_conn_drop(conn);
f8aaf9b6 5778 hci_conn_put(conn);
9df74653
JH		 5779
5780 return err;
dd983808
AK		 5781}
5782
1904a853
MH		 5783static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
5784 u16 opcode)
dd983808
AK		 5785{
5786 struct hci_cp_read_rssi *cp;
3b0602cd 5787 struct mgmt_pending_cmd *cmd;
dd983808 5788 struct hci_conn *conn;
dd983808 5789 u16 handle;
9981bdb0 5790 u8 status;
dd983808 5791
9981bdb0 5792 BT_DBG("status 0x%02x", hci_status);
dd983808
AK		 5793
5794 hci_dev_lock(hdev);
5795
dd983808
AK		 5796 /* Commands sent in request are either Read RSSI or Read Transmit Power
5797 * Level so we check which one was last sent to retrieve connection
5798 * handle. Both commands have handle as first parameter so it's safe to
5799 * cast data on the same command struct.
5800 *
5801 * First command sent is always Read RSSI and we fail only if it fails.
5802 * In other case we simply override error to indicate success as we
5803 * already remembered if TX power value is actually valid.
5804 */
5805 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
5806 if (!cp) {
5807 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
9981bdb0
JH		 5808 status = MGMT_STATUS_SUCCESS;
5809 } else {
5810 status = mgmt_status(hci_status);
dd983808
AK		 5811 }
5812
5813 if (!cp) {
9981bdb0 5814 BT_ERR("invalid sent_cmd in conn_info response");
dd983808
AK		 5815 goto unlock;
5816 }
5817
5818 handle = __le16_to_cpu(cp->handle);
5819 conn = hci_conn_hash_lookup_handle(hdev, handle);
5820 if (!conn) {
9981bdb0 5821 BT_ERR("unknown handle (%d) in conn_info response", handle);
dd983808
AK		 5822 goto unlock;
5823 }
5824
333ae95d 5825 cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn);
9981bdb0
JH		 5826 if (!cmd)
5827 goto unlock;
dd983808 5828
9981bdb0
JH		 5829 cmd->cmd_complete(cmd, status);
5830 mgmt_pending_remove(cmd);
dd983808
AK		 5831
5832unlock:
5833 hci_dev_unlock(hdev);
5834}
5835
5836static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
5837 u16 len)
5838{
5839 struct mgmt_cp_get_conn_info *cp = data;
5840 struct mgmt_rp_get_conn_info rp;
5841 struct hci_conn *conn;
5842 unsigned long conn_info_age;
5843 int err = 0;
5844
5845 BT_DBG("%s", hdev->name);
5846
5847 memset(&rp, 0, sizeof(rp));
5848 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5849 rp.addr.type = cp->addr.type;
5850
5851 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 5852 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5853 MGMT_STATUS_INVALID_PARAMS,
5854 &rp, sizeof(rp));
dd983808
AK		 5855
5856 hci_dev_lock(hdev);
5857
5858 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 5859 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5860 MGMT_STATUS_NOT_POWERED, &rp,
5861 sizeof(rp));
dd983808
AK		 5862 goto unlock;
5863 }
5864
5865 if (cp->addr.type == BDADDR_BREDR)
5866 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5867 &cp->addr.bdaddr);
5868 else
5869 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5870
5871 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 5872 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5873 MGMT_STATUS_NOT_CONNECTED, &rp,
5874 sizeof(rp));
dd983808
AK		 5875 goto unlock;
5876 }
5877
333ae95d 5878 if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) {
2a1afb5a
JH		 5879 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5880 MGMT_STATUS_BUSY, &rp, sizeof(rp));
9981bdb0
JH		 5881 goto unlock;
5882 }
5883
dd983808
AK		 5884 /* To avoid client trying to guess when to poll again for information we
5885 * calculate conn info age as random value between min/max set in hdev.
5886 */
5887 conn_info_age = hdev->conn_info_min_age +
5888 prandom_u32_max(hdev->conn_info_max_age -
5889 hdev->conn_info_min_age);
5890
5891 /* Query controller to refresh cached values if they are too old or were
5892 * never read.
5893 */
f4e2dd53
AK		 5894 if (time_after(jiffies, conn->conn_info_timestamp +
5895 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 5896 !conn->conn_info_timestamp) {
5897 struct hci_request req;
5898 struct hci_cp_read_tx_power req_txp_cp;
5899 struct hci_cp_read_rssi req_rssi_cp;
3b0602cd 5900 struct mgmt_pending_cmd *cmd;
dd983808
AK		 5901
5902 hci_req_init(&req, hdev);
5903 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5904 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5905 &req_rssi_cp);
5906
f7faab0c
AK		 5907 /* For LE links TX power does not change thus we don't need to
5908 * query for it once value is known.
5909 */
5910 if (!bdaddr_type_is_le(cp->addr.type) ||
5911 conn->tx_power == HCI_TX_POWER_INVALID) {
5912 req_txp_cp.handle = cpu_to_le16(conn->handle);
5913 req_txp_cp.type = 0x00;
5914 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5915 sizeof(req_txp_cp), &req_txp_cp);
5916 }
dd983808 5917
eed5daf3
AK		 5918 /* Max TX power needs to be read only once per connection */
5919 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5920 req_txp_cp.handle = cpu_to_le16(conn->handle);
5921 req_txp_cp.type = 0x01;
5922 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5923 sizeof(req_txp_cp), &req_txp_cp);
5924 }
5925
dd983808
AK		 5926 err = hci_req_run(&req, conn_info_refresh_complete);
5927 if (err < 0)
5928 goto unlock;
5929
5930 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5931 data, len);
5932 if (!cmd) {
5933 err = -ENOMEM;
5934 goto unlock;
5935 }
5936
5937 hci_conn_hold(conn);
f8aaf9b6 5938 cmd->user_data = hci_conn_get(conn);
9981bdb0 5939 cmd->cmd_complete = conn_info_cmd_complete;
dd983808
AK		 5940
5941 conn->conn_info_timestamp = jiffies;
5942 } else {
5943 /* Cache is valid, just reply with values cached in hci_conn */
5944 rp.rssi = conn->rssi;
5945 rp.tx_power = conn->tx_power;
eed5daf3 5946 rp.max_tx_power = conn->max_tx_power;
dd983808 5947
2a1afb5a
JH		 5948 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5949 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
dd983808
AK		 5950 }
5951
5952unlock:
5953 hci_dev_unlock(hdev);
5954 return err;
5955}
5956
3b0602cd 5957static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
95868426 5958{
69487371 5959 struct hci_conn *conn = cmd->user_data;
95868426 5960 struct mgmt_rp_get_clock_info rp;
69487371 5961 struct hci_dev *hdev;
9df74653 5962 int err;
69487371
JH		 5963
5964 memset(&rp, 0, sizeof(rp));
5965 memcpy(&rp.addr, &cmd->param, sizeof(rp.addr));
5966
5967 if (status)
5968 goto complete;
5969
5970 hdev = hci_dev_get(cmd->index);
5971 if (hdev) {
5972 rp.local_clock = cpu_to_le32(hdev->clock);
5973 hci_dev_put(hdev);
5974 }
5975
5976 if (conn) {
5977 rp.piconet_clock = cpu_to_le32(conn->clock);
5978 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5979 }
5980
5981complete:
2a1afb5a
JH		 5982 err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
5983 sizeof(rp));
69487371
JH		 5984
5985 if (conn) {
5986 hci_conn_drop(conn);
5987 hci_conn_put(conn);
5988 }
9df74653
JH		 5989
5990 return err;
69487371
JH		 5991}
5992
1904a853 5993static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
69487371 5994{
95868426 5995 struct hci_cp_read_clock *hci_cp;
3b0602cd 5996 struct mgmt_pending_cmd *cmd;
95868426
JH		 5997 struct hci_conn *conn;
5998
5999 BT_DBG("%s status %u", hdev->name, status);
6000
6001 hci_dev_lock(hdev);
6002
6003 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
6004 if (!hci_cp)
6005 goto unlock;
6006
6007 if (hci_cp->which) {
6008 u16 handle = __le16_to_cpu(hci_cp->handle);
6009 conn = hci_conn_hash_lookup_handle(hdev, handle);
6010 } else {
6011 conn = NULL;
6012 }
6013
333ae95d 6014 cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
95868426
JH		 6015 if (!cmd)
6016 goto unlock;
6017
69487371 6018 cmd->cmd_complete(cmd, mgmt_status(status));
95868426 6019 mgmt_pending_remove(cmd);
95868426
JH		 6020
6021unlock:
6022 hci_dev_unlock(hdev);
6023}
6024
6025static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
6026 u16 len)
6027{
6028 struct mgmt_cp_get_clock_info *cp = data;
6029 struct mgmt_rp_get_clock_info rp;
6030 struct hci_cp_read_clock hci_cp;
3b0602cd 6031 struct mgmt_pending_cmd *cmd;
95868426
JH		 6032 struct hci_request req;
6033 struct hci_conn *conn;
6034 int err;
6035
6036 BT_DBG("%s", hdev->name);
6037
6038 memset(&rp, 0, sizeof(rp));
6039 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6040 rp.addr.type = cp->addr.type;
6041
6042 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 6043 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6044 MGMT_STATUS_INVALID_PARAMS,
6045 &rp, sizeof(rp));
95868426
JH		 6046
6047 hci_dev_lock(hdev);
6048
6049 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 6050 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6051 MGMT_STATUS_NOT_POWERED, &rp,
6052 sizeof(rp));
95868426
JH		 6053 goto unlock;
6054 }
6055
6056 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
6057 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
6058 &cp->addr.bdaddr);
6059 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 6060 err = mgmt_cmd_complete(sk, hdev->id,
6061 MGMT_OP_GET_CLOCK_INFO,
6062 MGMT_STATUS_NOT_CONNECTED,
6063 &rp, sizeof(rp));
95868426
JH		 6064 goto unlock;
6065 }
6066 } else {
6067 conn = NULL;
6068 }
6069
6070 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
6071 if (!cmd) {
6072 err = -ENOMEM;
6073 goto unlock;
6074 }
6075
69487371
JH		 6076 cmd->cmd_complete = clock_info_cmd_complete;
6077
95868426
JH		 6078 hci_req_init(&req, hdev);
6079
6080 memset(&hci_cp, 0, sizeof(hci_cp));
6081 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6082
6083 if (conn) {
6084 hci_conn_hold(conn);
f8aaf9b6 6085 cmd->user_data = hci_conn_get(conn);
95868426
JH		 6086
6087 hci_cp.handle = cpu_to_le16(conn->handle);
6088 hci_cp.which = 0x01; /* Piconet clock */
6089 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6090 }
6091
6092 err = hci_req_run(&req, get_clock_info_complete);
6093 if (err < 0)
6094 mgmt_pending_remove(cmd);
6095
6096unlock:
6097 hci_dev_unlock(hdev);
6098 return err;
6099}
6100
5a154e6f
JH		 6101static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
6102{
6103 struct hci_conn *conn;
6104
6105 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
6106 if (!conn)
6107 return false;
6108
6109 if (conn->dst_type != type)
6110 return false;
6111
6112 if (conn->state != BT_CONNECTED)
6113 return false;
6114
6115 return true;
6116}
6117
6118/* This function requires the caller holds hdev->lock */
51d7a94d 6119static int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr,
5a154e6f
JH		 6120 u8 addr_type, u8 auto_connect)
6121{
5a154e6f
JH		 6122 struct hci_conn_params *params;
6123
6124 params = hci_conn_params_add(hdev, addr, addr_type);
6125 if (!params)
6126 return -EIO;
6127
6128 if (params->auto_connect == auto_connect)
6129 return 0;
6130
6131 list_del_init(&params->action);
6132
6133 switch (auto_connect) {
6134 case HCI_AUTO_CONN_DISABLED:
6135 case HCI_AUTO_CONN_LINK_LOSS:
28a667c9
JP		 6136 /* If auto connect is being disabled when we're trying to
6137 * connect to device, keep connecting.
6138 */
6139 if (params->explicit_connect)
6140 list_add(&params->action, &hdev->pend_le_conns);
5a154e6f
JH		 6141 break;
6142 case HCI_AUTO_CONN_REPORT:
49c50922
JH		 6143 if (params->explicit_connect)
6144 list_add(&params->action, &hdev->pend_le_conns);
6145 else
6146 list_add(&params->action, &hdev->pend_le_reports);
5a154e6f
JH		 6147 break;
6148 case HCI_AUTO_CONN_DIRECT:
6149 case HCI_AUTO_CONN_ALWAYS:
51d7a94d 6150 if (!is_connected(hdev, addr, addr_type))
5a154e6f 6151 list_add(&params->action, &hdev->pend_le_conns);
5a154e6f
JH		 6152 break;
6153 }
6154
6155 params->auto_connect = auto_connect;
6156
6157 BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
6158 auto_connect);
6159
6160 return 0;
6161}
6162
8afef092
MH		 6163static void device_added(struct sock *sk, struct hci_dev *hdev,
6164 bdaddr_t *bdaddr, u8 type, u8 action)
6165{
6166 struct mgmt_ev_device_added ev;
6167
6168 bacpy(&ev.addr.bdaddr, bdaddr);
6169 ev.addr.type = type;
6170 ev.action = action;
6171
6172 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
6173}
6174
2faade53
MH		 6175static int add_device(struct sock *sk, struct hci_dev *hdev,
6176 void *data, u16 len)
6177{
6178 struct mgmt_cp_add_device *cp = data;
3b0602cd 6179 struct mgmt_pending_cmd *cmd;
5a154e6f 6180 struct hci_request req;
2faade53
MH		 6181 u8 auto_conn, addr_type;
6182 int err;
6183
6184 BT_DBG("%s", hdev->name);
6185
6659358e 6186 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53 6187 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
2a1afb5a
JH		 6188 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6189 MGMT_STATUS_INVALID_PARAMS,
6190 &cp->addr, sizeof(cp->addr));
2faade53 6191
4b9e7e75 6192 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2a1afb5a
JH		 6193 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6194 MGMT_STATUS_INVALID_PARAMS,
6195 &cp->addr, sizeof(cp->addr));
2faade53 6196
5a154e6f
JH		 6197 hci_req_init(&req, hdev);
6198
2faade53
MH		 6199 hci_dev_lock(hdev);
6200
5a154e6f
JH		 6201 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_DEVICE, hdev, data, len);
6202 if (!cmd) {
6203 err = -ENOMEM;
6204 goto unlock;
6205 }
6206
6207 cmd->cmd_complete = addr_cmd_complete;
6208
6659358e 6209 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 6210 /* Only incoming connections action is supported for now */
6659358e 6211 if (cp->action != 0x01) {
51d7a94d
JH		 6212 err = mgmt_cmd_complete(sk, hdev->id,
6213 MGMT_OP_ADD_DEVICE,
6214 MGMT_STATUS_INVALID_PARAMS,
6215 &cp->addr, sizeof(cp->addr));
6659358e
JH		 6216 goto unlock;
6217 }
6218
6219 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
6220 cp->addr.type);
6221 if (err)
6222 goto unlock;
a397407f 6223
5a154e6f 6224 __hci_update_page_scan(&req);
a397407f 6225
6659358e
JH		 6226 goto added;
6227 }
6228
85813a7e 6229 addr_type = le_addr_type(cp->addr.type);
2faade53 6230
4b9e7e75 6231 if (cp->action == 0x02)
2faade53 6232 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 6233 else if (cp->action == 0x01)
6234 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 6235 else
a3451d27 6236 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 6237
9a0a8a8e
JP		 6238 /* Kernel internally uses conn_params with resolvable private
6239 * address, but Add Device allows only identity addresses.
6240 * Make sure it is enforced before calling
6241 * hci_conn_params_lookup.
6242 */
6243 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
51d7a94d
JH		 6244 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6245 MGMT_STATUS_INVALID_PARAMS,
6246 &cp->addr, sizeof(cp->addr));
9a0a8a8e
JP		 6247 goto unlock;
6248 }
6249
bf5b3c8b
MH		 6250 /* If the connection parameters don't exist for this device,
6251 * they will be created and configured with defaults.
6252 */
51d7a94d 6253 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
d06b50ce 6254 auto_conn) < 0) {
51d7a94d
JH		 6255 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6256 MGMT_STATUS_FAILED, &cp->addr,
6257 sizeof(cp->addr));
2faade53
MH		 6258 goto unlock;
6259 }
6260
51d7a94d
JH		 6261 hci_update_background_scan(hdev);
6262
6659358e 6263added:
8afef092
MH		 6264 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
6265
51d7a94d
JH		 6266 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6267 MGMT_STATUS_SUCCESS, &cp->addr,
6268 sizeof(cp->addr));
2faade53
MH		 6269
6270unlock:
6271 hci_dev_unlock(hdev);
6272 return err;
6273}
6274
8afef092
MH		 6275static void device_removed(struct sock *sk, struct hci_dev *hdev,
6276 bdaddr_t *bdaddr, u8 type)
6277{
6278 struct mgmt_ev_device_removed ev;
6279
6280 bacpy(&ev.addr.bdaddr, bdaddr);
6281 ev.addr.type = type;
6282
6283 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
6284}
6285
2faade53
MH		 6286static int remove_device(struct sock *sk, struct hci_dev *hdev,
6287 void *data, u16 len)
6288{
6289 struct mgmt_cp_remove_device *cp = data;
6290 int err;
6291
6292 BT_DBG("%s", hdev->name);
6293
6294 hci_dev_lock(hdev);
6295
6296 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 6297 struct hci_conn_params *params;
2faade53
MH		 6298 u8 addr_type;
6299
6659358e 6300 if (!bdaddr_type_is_valid(cp->addr.type)) {
51d7a94d
JH		 6301 err = mgmt_cmd_complete(sk, hdev->id,
6302 MGMT_OP_REMOVE_DEVICE,
6303 MGMT_STATUS_INVALID_PARAMS,
6304 &cp->addr, sizeof(cp->addr));
2faade53
MH		 6305 goto unlock;
6306 }
6307
6659358e
JH		 6308 if (cp->addr.type == BDADDR_BREDR) {
6309 err = hci_bdaddr_list_del(&hdev->whitelist,
6310 &cp->addr.bdaddr,
6311 cp->addr.type);
6312 if (err) {
51d7a94d
JH		 6313 err = mgmt_cmd_complete(sk, hdev->id,
6314 MGMT_OP_REMOVE_DEVICE,
6315 MGMT_STATUS_INVALID_PARAMS,
6316 &cp->addr,
6317 sizeof(cp->addr));
6659358e
JH		 6318 goto unlock;
6319 }
6320
51d7a94d 6321 hci_update_page_scan(hdev);
a397407f 6322
6659358e
JH		 6323 device_removed(sk, hdev, &cp->addr.bdaddr,
6324 cp->addr.type);
6325 goto complete;
6326 }
6327
85813a7e 6328 addr_type = le_addr_type(cp->addr.type);
2faade53 6329
9a0a8a8e
JP		 6330 /* Kernel internally uses conn_params with resolvable private
6331 * address, but Remove Device allows only identity addresses.
6332 * Make sure it is enforced before calling
6333 * hci_conn_params_lookup.
6334 */
6335 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
51d7a94d
JH		 6336 err = mgmt_cmd_complete(sk, hdev->id,
6337 MGMT_OP_REMOVE_DEVICE,
6338 MGMT_STATUS_INVALID_PARAMS,
6339 &cp->addr, sizeof(cp->addr));
9a0a8a8e
JP		 6340 goto unlock;
6341 }
6342
c71593dd
JH		 6343 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
6344 addr_type);
6345 if (!params) {
51d7a94d
JH		 6346 err = mgmt_cmd_complete(sk, hdev->id,
6347 MGMT_OP_REMOVE_DEVICE,
6348 MGMT_STATUS_INVALID_PARAMS,
6349 &cp->addr, sizeof(cp->addr));
c71593dd
JH		 6350 goto unlock;
6351 }
6352
679d2b6f
JH		 6353 if (params->auto_connect == HCI_AUTO_CONN_DISABLED ||
6354 params->auto_connect == HCI_AUTO_CONN_EXPLICIT) {
51d7a94d
JH		 6355 err = mgmt_cmd_complete(sk, hdev->id,
6356 MGMT_OP_REMOVE_DEVICE,
6357 MGMT_STATUS_INVALID_PARAMS,
6358 &cp->addr, sizeof(cp->addr));
c71593dd
JH		 6359 goto unlock;
6360 }
6361
d1dbf12e 6362 list_del(&params->action);
c71593dd
JH		 6363 list_del(&params->list);
6364 kfree(params);
51d7a94d 6365 hci_update_background_scan(hdev);
8afef092
MH		 6366
6367 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 6368 } else {
19de0825 6369 struct hci_conn_params *p, *tmp;
6659358e 6370 struct bdaddr_list *b, *btmp;
19de0825 6371
2faade53 6372 if (cp->addr.type) {
51d7a94d
JH		 6373 err = mgmt_cmd_complete(sk, hdev->id,
6374 MGMT_OP_REMOVE_DEVICE,
6375 MGMT_STATUS_INVALID_PARAMS,
6376 &cp->addr, sizeof(cp->addr));
2faade53
MH		 6377 goto unlock;
6378 }
6379
6659358e
JH		 6380 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
6381 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
6382 list_del(&b->list);
6383 kfree(b);
6384 }
6385
51d7a94d 6386 hci_update_page_scan(hdev);
a397407f 6387
19de0825
JH		 6388 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
6389 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
6390 continue;
6391 device_removed(sk, hdev, &p->addr, p->addr_type);
679d2b6f
JH		 6392 if (p->explicit_connect) {
6393 p->auto_connect = HCI_AUTO_CONN_EXPLICIT;
6394 continue;
6395 }
19de0825
JH		 6396 list_del(&p->action);
6397 list_del(&p->list);
6398 kfree(p);
6399 }
6400
6401 BT_DBG("All LE connection parameters were removed");
6402
51d7a94d 6403 hci_update_background_scan(hdev);
2faade53
MH		 6404 }
6405
6659358e 6406complete:
51d7a94d
JH		 6407 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
6408 MGMT_STATUS_SUCCESS, &cp->addr,
6409 sizeof(cp->addr));
2faade53
MH		 6410unlock:
6411 hci_dev_unlock(hdev);
6412 return err;
6413}
6414
a26f3dcf
JH		 6415static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
6416 u16 len)
6417{
6418 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 6419 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
6420 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 6421 u16 param_count, expected_len;
6422 int i;
6423
6424 if (!lmp_le_capable(hdev))
a69e8375
JH		 6425 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6426 MGMT_STATUS_NOT_SUPPORTED);
a26f3dcf
JH		 6427
6428 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 6429 if (param_count > max_param_count) {
6430 BT_ERR("load_conn_param: too big param_count value %u",
6431 param_count);
a69e8375
JH		 6432 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6433 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 6434 }
a26f3dcf
JH		 6435
6436 expected_len = sizeof(*cp) + param_count *
6437 sizeof(struct mgmt_conn_param);
6438 if (expected_len != len) {
6439 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
6440 expected_len, len);
a69e8375
JH		 6441 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6442 MGMT_STATUS_INVALID_PARAMS);
a26f3dcf
JH		 6443 }
6444
6445 BT_DBG("%s param_count %u", hdev->name, param_count);
6446
6447 hci_dev_lock(hdev);
6448
6449 hci_conn_params_clear_disabled(hdev);
6450
6451 for (i = 0; i < param_count; i++) {
6452 struct mgmt_conn_param *param = &cp->params[i];
6453 struct hci_conn_params *hci_param;
6454 u16 min, max, latency, timeout;
6455 u8 addr_type;
6456
6457 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
6458 param->addr.type);
6459
6460 if (param->addr.type == BDADDR_LE_PUBLIC) {
6461 addr_type = ADDR_LE_DEV_PUBLIC;
6462 } else if (param->addr.type == BDADDR_LE_RANDOM) {
6463 addr_type = ADDR_LE_DEV_RANDOM;
6464 } else {
6465 BT_ERR("Ignoring invalid connection parameters");
6466 continue;
6467 }
6468
6469 min = le16_to_cpu(param->min_interval);
6470 max = le16_to_cpu(param->max_interval);
6471 latency = le16_to_cpu(param->latency);
6472 timeout = le16_to_cpu(param->timeout);
6473
6474 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
6475 min, max, latency, timeout);
6476
6477 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
6478 BT_ERR("Ignoring invalid connection parameters");
6479 continue;
6480 }
6481
6482 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
6483 addr_type);
6484 if (!hci_param) {
6485 BT_ERR("Failed to add connection parameters");
6486 continue;
6487 }
6488
6489 hci_param->conn_min_interval = min;
6490 hci_param->conn_max_interval = max;
6491 hci_param->conn_latency = latency;
6492 hci_param->supervision_timeout = timeout;
6493 }
6494
6495 hci_dev_unlock(hdev);
6496
2a1afb5a
JH		 6497 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0,
6498 NULL, 0);
a26f3dcf
JH		 6499}
6500
dbece37a
MH		 6501static int set_external_config(struct sock *sk, struct hci_dev *hdev,
6502 void *data, u16 len)
6503{
6504 struct mgmt_cp_set_external_config *cp = data;
6505 bool changed;
6506 int err;
6507
6508 BT_DBG("%s", hdev->name);
6509
6510 if (hdev_is_powered(hdev))
a69e8375
JH		 6511 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6512 MGMT_STATUS_REJECTED);
dbece37a
MH		 6513
6514 if (cp->config != 0x00 && cp->config != 0x01)
a69e8375
JH		 6515 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6516 MGMT_STATUS_INVALID_PARAMS);
dbece37a
MH		 6517
6518 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
a69e8375
JH		 6519 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6520 MGMT_STATUS_NOT_SUPPORTED);
dbece37a
MH		 6521
6522 hci_dev_lock(hdev);
6523
6524 if (cp->config)
238be788 6525 changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a 6526 else
a69d8927 6527 changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a
MH		 6528
6529 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
6530 if (err < 0)
6531 goto unlock;
6532
6533 if (!changed)
6534 goto unlock;
6535
f4537c04
MH		 6536 err = new_options(hdev, sk);
6537
d7a5a11d 6538 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
dbece37a 6539 mgmt_index_removed(hdev);
d603b76b 6540
516018a9 6541 if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
a1536da2
MH		 6542 hci_dev_set_flag(hdev, HCI_CONFIG);
6543 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
d603b76b
MH		 6544
6545 queue_work(hdev->req_workqueue, &hdev->power_on);
6546 } else {
5ea234d3 6547 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 6548 mgmt_index_added(hdev);
6549 }
dbece37a
MH		 6550 }
6551
6552unlock:
6553 hci_dev_unlock(hdev);
6554 return err;
6555}
6556
9713c17b
MH		 6557static int set_public_address(struct sock *sk, struct hci_dev *hdev,
6558 void *data, u16 len)
6559{
6560 struct mgmt_cp_set_public_address *cp = data;
6561 bool changed;
6562 int err;
6563
6564 BT_DBG("%s", hdev->name);
6565
6566 if (hdev_is_powered(hdev))
a69e8375
JH		 6567 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6568 MGMT_STATUS_REJECTED);
9713c17b
MH		 6569
6570 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
a69e8375
JH		 6571 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6572 MGMT_STATUS_INVALID_PARAMS);
9713c17b
MH		 6573
6574 if (!hdev->set_bdaddr)
a69e8375
JH		 6575 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6576 MGMT_STATUS_NOT_SUPPORTED);
9713c17b
MH		 6577
6578 hci_dev_lock(hdev);
6579
6580 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
6581 bacpy(&hdev->public_addr, &cp->bdaddr);
6582
6583 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
6584 if (err < 0)
6585 goto unlock;
6586
6587 if (!changed)
6588 goto unlock;
6589
d7a5a11d 6590 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
9713c17b
MH		 6591 err = new_options(hdev, sk);
6592
6593 if (is_configured(hdev)) {
6594 mgmt_index_removed(hdev);
6595
a358dc11 6596 hci_dev_clear_flag(hdev, HCI_UNCONFIGURED);
9713c17b 6597
a1536da2
MH		 6598 hci_dev_set_flag(hdev, HCI_CONFIG);
6599 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
9713c17b
MH		 6600
6601 queue_work(hdev->req_workqueue, &hdev->power_on);
6602 }
6603
6604unlock:
6605 hci_dev_unlock(hdev);
6606 return err;
6607}
6608
bea41609
MH		 6609static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6610 u8 data_len)
6611{
6612 eir[eir_len++] = sizeof(type) + data_len;
6613 eir[eir_len++] = type;
6614 memcpy(&eir[eir_len], data, data_len);
6615 eir_len += data_len;
6616
6617 return eir_len;
6618}
6619
40f66c05
JH		 6620static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
6621 u16 opcode, struct sk_buff *skb)
6622{
6623 const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
6624 struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
6625 u8 *h192, *r192, *h256, *r256;
6626 struct mgmt_pending_cmd *cmd;
6627 u16 eir_len;
6628 int err;
6629
6630 BT_DBG("%s status %u", hdev->name, status);
6631
6632 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
6633 if (!cmd)
6634 return;
6635
6636 mgmt_cp = cmd->param;
6637
6638 if (status) {
6639 status = mgmt_status(status);
6640 eir_len = 0;
6641
6642 h192 = NULL;
6643 r192 = NULL;
6644 h256 = NULL;
6645 r256 = NULL;
6646 } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
6647 struct hci_rp_read_local_oob_data *rp;
6648
6649 if (skb->len != sizeof(*rp)) {
6650 status = MGMT_STATUS_FAILED;
6651 eir_len = 0;
6652 } else {
6653 status = MGMT_STATUS_SUCCESS;
6654 rp = (void *)skb->data;
6655
6656 eir_len = 5 + 18 + 18;
6657 h192 = rp->hash;
6658 r192 = rp->rand;
6659 h256 = NULL;
6660 r256 = NULL;
6661 }
6662 } else {
6663 struct hci_rp_read_local_oob_ext_data *rp;
6664
6665 if (skb->len != sizeof(*rp)) {
6666 status = MGMT_STATUS_FAILED;
6667 eir_len = 0;
6668 } else {
6669 status = MGMT_STATUS_SUCCESS;
6670 rp = (void *)skb->data;
6671
6672 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
6673 eir_len = 5 + 18 + 18;
6674 h192 = NULL;
6675 r192 = NULL;
6676 } else {
6677 eir_len = 5 + 18 + 18 + 18 + 18;
6678 h192 = rp->hash192;
6679 r192 = rp->rand192;
6680 }
6681
6682 h256 = rp->hash256;
6683 r256 = rp->rand256;
6684 }
6685 }
6686
6687 mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL);
6688 if (!mgmt_rp)
6689 goto done;
6690
6691 if (status)
6692 goto send_rsp;
6693
6694 eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV,
6695 hdev->dev_class, 3);
6696
6697 if (h192 && r192) {
6698 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6699 EIR_SSP_HASH_C192, h192, 16);
6700 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6701 EIR_SSP_RAND_R192, r192, 16);
6702 }
6703
6704 if (h256 && r256) {
6705 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6706 EIR_SSP_HASH_C256, h256, 16);
6707 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6708 EIR_SSP_RAND_R256, r256, 16);
6709 }
6710
6711send_rsp:
6712 mgmt_rp->type = mgmt_cp->type;
6713 mgmt_rp->eir_len = cpu_to_le16(eir_len);
6714
6715 err = mgmt_cmd_complete(cmd->sk, hdev->id,
6716 MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status,
6717 mgmt_rp, sizeof(*mgmt_rp) + eir_len);
6718 if (err < 0 || status)
6719 goto done;
6720
6721 hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS);
6722
6723 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6724 mgmt_rp, sizeof(*mgmt_rp) + eir_len,
6725 HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
6726done:
6727 kfree(mgmt_rp);
6728 mgmt_pending_remove(cmd);
6729}
6730
6731static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
6732 struct mgmt_cp_read_local_oob_ext_data *cp)
6733{
6734 struct mgmt_pending_cmd *cmd;
6735 struct hci_request req;
6736 int err;
6737
6738 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
6739 cp, sizeof(*cp));
6740 if (!cmd)
6741 return -ENOMEM;
6742
6743 hci_req_init(&req, hdev);
6744
6745 if (bredr_sc_enabled(hdev))
6746 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
6747 else
6748 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
6749
6750 err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
6751 if (err < 0) {
6752 mgmt_pending_remove(cmd);
6753 return err;
6754 }
6755
6756 return 0;
6757}
6758
4f0f155c
MH		 6759static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
6760 void *data, u16 data_len)
6761{
6762 struct mgmt_cp_read_local_oob_ext_data *cp = data;
6763 struct mgmt_rp_read_local_oob_ext_data *rp;
6764 size_t rp_len;
6765 u16 eir_len;
0821a2c5 6766 u8 status, flags, role, addr[7], hash[16], rand[16];
4f0f155c
MH		 6767 int err;
6768
6769 BT_DBG("%s", hdev->name);
6770
57b0d3e8
MH		 6771 if (hdev_is_powered(hdev)) {
6772 switch (cp->type) {
6773 case BIT(BDADDR_BREDR):
6774 status = mgmt_bredr_support(hdev);
6775 if (status)
6776 eir_len = 0;
6777 else
6778 eir_len = 5;
6779 break;
6780 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
6781 status = mgmt_le_support(hdev);
6782 if (status)
6783 eir_len = 0;
6784 else
6785 eir_len = 9 + 3 + 18 + 18 + 3;
6786 break;
6787 default:
6788 status = MGMT_STATUS_INVALID_PARAMS;
6789 eir_len = 0;
6790 break;
6791 }
6792 } else {
6793 status = MGMT_STATUS_NOT_POWERED;
6794 eir_len = 0;
4f0f155c
MH		 6795 }
6796
4f0f155c
MH		 6797 rp_len = sizeof(*rp) + eir_len;
6798 rp = kmalloc(rp_len, GFP_ATOMIC);
efcd8c98 6799 if (!rp)
4f0f155c 6800 return -ENOMEM;
efcd8c98 6801
57b0d3e8
MH		 6802 if (status)
6803 goto complete;
6804
efcd8c98 6805 hci_dev_lock(hdev);
4f0f155c
MH		 6806
6807 eir_len = 0;
6808 switch (cp->type) {
6809 case BIT(BDADDR_BREDR):
40f66c05
JH		 6810 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
6811 err = read_local_ssp_oob_req(hdev, sk, cp);
6812 hci_dev_unlock(hdev);
6813 if (!err)
6814 goto done;
6815
6816 status = MGMT_STATUS_FAILED;
6817 goto complete;
6818 } else {
6819 eir_len = eir_append_data(rp->eir, eir_len,
6820 EIR_CLASS_OF_DEV,
6821 hdev->dev_class, 3);
6822 }
4f0f155c
MH		 6823 break;
6824 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
5082a599
MH		 6825 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
6826 smp_generate_oob(hdev, hash, rand) < 0) {
0821a2c5 6827 hci_dev_unlock(hdev);
57b0d3e8
MH		 6828 status = MGMT_STATUS_FAILED;
6829 goto complete;
0821a2c5
MH		 6830 }
6831
e213568a
MH		 6832 /* This should return the active RPA, but since the RPA
6833 * is only programmed on demand, it is really hard to fill
6834 * this in at the moment. For now disallow retrieving
6835 * local out-of-band data when privacy is in use.
6836 *
6837 * Returning the identity address will not help here since
6838 * pairing happens before the identity resolving key is
6839 * known and thus the connection establishment happens
6840 * based on the RPA and not the identity address.
6841 */
4f0f155c 6842 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
e213568a
MH		 6843 hci_dev_unlock(hdev);
6844 status = MGMT_STATUS_REJECTED;
6845 goto complete;
6846 }
6847
6848 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
6849 !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
6850 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
6851 bacmp(&hdev->static_addr, BDADDR_ANY))) {
4f0f155c
MH		 6852 memcpy(addr, &hdev->static_addr, 6);
6853 addr[6] = 0x01;
6854 } else {
6855 memcpy(addr, &hdev->bdaddr, 6);
6856 addr[6] = 0x00;
6857 }
6858
6859 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR,
6860 addr, sizeof(addr));
6861
6862 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
6863 role = 0x02;
6864 else
6865 role = 0x01;
6866
6867 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE,
6868 &role, sizeof(role));
6869
5082a599
MH		 6870 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) {
6871 eir_len = eir_append_data(rp->eir, eir_len,
6872 EIR_LE_SC_CONFIRM,
6873 hash, sizeof(hash));
0821a2c5 6874
5082a599
MH		 6875 eir_len = eir_append_data(rp->eir, eir_len,
6876 EIR_LE_SC_RANDOM,
6877 rand, sizeof(rand));
6878 }
0821a2c5 6879
4f0f155c
MH		 6880 flags = get_adv_discov_flags(hdev);
6881
6882 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
6883 flags |= LE_AD_NO_BREDR;
6884
6885 eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS,
6886 &flags, sizeof(flags));
6887 break;
6888 }
6889
4f0f155c
MH		 6890 hci_dev_unlock(hdev);
6891
72000df2
MH		 6892 hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
6893
57b0d3e8
MH		 6894 status = MGMT_STATUS_SUCCESS;
6895
6896complete:
efcd8c98
MH		 6897 rp->type = cp->type;
6898 rp->eir_len = cpu_to_le16(eir_len);
6899
4f0f155c 6900 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
57b0d3e8
MH		 6901 status, rp, sizeof(*rp) + eir_len);
6902 if (err < 0 || status)
72000df2
MH		 6903 goto done;
6904
6905 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6906 rp, sizeof(*rp) + eir_len,
6907 HCI_MGMT_OOB_DATA_EVENTS, sk);
4f0f155c 6908
0821a2c5 6909done:
4f0f155c
MH		 6910 kfree(rp);
6911
6912 return err;
6913}
6914
089fa8c0
AU		 6915static u32 get_supported_adv_flags(struct hci_dev *hdev)
6916{
6917 u32 flags = 0;
6918
6919 flags |= MGMT_ADV_FLAG_CONNECTABLE;
6920 flags |= MGMT_ADV_FLAG_DISCOV;
6921 flags |= MGMT_ADV_FLAG_LIMITED_DISCOV;
6922 flags |= MGMT_ADV_FLAG_MANAGED_FLAGS;
6923
6924 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID)
6925 flags |= MGMT_ADV_FLAG_TX_POWER;
6926
6927 return flags;
6928}
6929
d3d5305b
MH		 6930static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
6931 void *data, u16 data_len)
6932{
6933 struct mgmt_rp_read_adv_features *rp;
6934 size_t rp_len;
286e0c83 6935 int err, i;
24b4f38f 6936 bool instance;
286e0c83 6937 struct adv_info *adv_instance;
089fa8c0 6938 u32 supported_flags;
d3d5305b
MH		 6939
6940 BT_DBG("%s", hdev->name);
6941
089fa8c0
AU		 6942 if (!lmp_le_capable(hdev))
6943 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
6944 MGMT_STATUS_REJECTED);
6945
d3d5305b
MH		 6946 hci_dev_lock(hdev);
6947
6948 rp_len = sizeof(*rp);
24b4f38f 6949
24b4f38f
AU		 6950 instance = hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE);
6951 if (instance)
286e0c83 6952 rp_len += hdev->adv_instance_cnt;
24b4f38f 6953
d3d5305b
MH		 6954 rp = kmalloc(rp_len, GFP_ATOMIC);
6955 if (!rp) {
6956 hci_dev_unlock(hdev);
6957 return -ENOMEM;
6958 }
6959
089fa8c0
AU		 6960 supported_flags = get_supported_adv_flags(hdev);
6961
6962 rp->supported_flags = cpu_to_le32(supported_flags);
dc5d82a9
MH		 6963 rp->max_adv_data_len = HCI_MAX_AD_LENGTH;
6964 rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH;
d2609b34 6965 rp->max_instances = HCI_MAX_ADV_INSTANCES;
24b4f38f 6966
24b4f38f 6967 if (instance) {
286e0c83
FG		 6968 i = 0;
6969 list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
6970 if (i >= hdev->adv_instance_cnt)
6971 break;
6972
6973 rp->instance[i] = adv_instance->instance;
6974 i++;
6975 }
6976 rp->num_instances = hdev->adv_instance_cnt;
24b4f38f
AU		 6977 } else {
6978 rp->num_instances = 0;
6979 }
d3d5305b
MH		 6980
6981 hci_dev_unlock(hdev);
6982
6983 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
6984 MGMT_STATUS_SUCCESS, rp, rp_len);
6985
6986 kfree(rp);
6987
6988 return err;
6989}
6990
4117ed70 6991static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
b44133ff 6992 u8 len, bool is_adv_data)
24b4f38f 6993{
4117ed70 6994 u8 max_len = HCI_MAX_AD_LENGTH;
24b4f38f 6995 int i, cur_len;
b44133ff 6996 bool flags_managed = false;
5507e358 6997 bool tx_power_managed = false;
67e0c0cd
AU		 6998 u32 flags_params = MGMT_ADV_FLAG_DISCOV | MGMT_ADV_FLAG_LIMITED_DISCOV |
6999 MGMT_ADV_FLAG_MANAGED_FLAGS;
24b4f38f 7000
807ec772 7001 if (is_adv_data && (adv_flags & flags_params)) {
b44133ff
AU		 7002 flags_managed = true;
7003 max_len -= 3;
7004 }
24b4f38f 7005
5507e358
AU		 7006 if (is_adv_data && (adv_flags & MGMT_ADV_FLAG_TX_POWER)) {
7007 tx_power_managed = true;
7008 max_len -= 3;
7009 }
7010
4117ed70 7011 if (len > max_len)
24b4f38f
AU		 7012 return false;
7013
4117ed70
AU		 7014 /* Make sure that the data is correctly formatted. */
7015 for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) {
7016 cur_len = data[i];
24b4f38f 7017
b44133ff
AU		 7018 if (flags_managed && data[i + 1] == EIR_FLAGS)
7019 return false;
7020
5507e358
AU		 7021 if (tx_power_managed && data[i + 1] == EIR_TX_POWER)
7022 return false;
7023
24b4f38f
AU		 7024 /* If the current field length would exceed the total data
7025 * length, then it's invalid.
7026 */
4117ed70 7027 if (i + cur_len >= len)
24b4f38f
AU		 7028 return false;
7029 }
7030
7031 return true;
7032}
7033
24b4f38f
AU		 7034static void add_advertising_complete(struct hci_dev *hdev, u8 status,
7035 u16 opcode)
7036{
7037 struct mgmt_pending_cmd *cmd;
fffd38bc 7038 struct mgmt_cp_add_advertising *cp;
24b4f38f 7039 struct mgmt_rp_add_advertising rp;
fffd38bc
FG		 7040 struct adv_info *adv_instance, *n;
7041 u8 instance;
24b4f38f
AU		 7042
7043 BT_DBG("status %d", status);
7044
7045 hci_dev_lock(hdev);
7046
7047 cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
7048
fffd38bc 7049 if (status)
24b4f38f 7050 hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
fffd38bc
FG		 7051
7052 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
7053 if (!adv_instance->pending)
7054 continue;
7055
7056 if (!status) {
7057 adv_instance->pending = false;
7058 continue;
7059 }
7060
7061 instance = adv_instance->instance;
7062
7063 if (hdev->cur_adv_instance == instance)
7064 cancel_adv_timeout(hdev);
7065
7066 hci_remove_adv_instance(hdev, instance);
7067 advertising_removed(cmd ? cmd->sk : NULL, hdev, instance);
24b4f38f
AU		 7068 }
7069
7070 if (!cmd)
7071 goto unlock;
7072
fffd38bc
FG		 7073 cp = cmd->param;
7074 rp.instance = cp->instance;
24b4f38f
AU		 7075
7076 if (status)
7077 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
7078 mgmt_status(status));
7079 else
7080 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
7081 mgmt_status(status), &rp, sizeof(rp));
7082
7083 mgmt_pending_remove(cmd);
7084
7085unlock:
7086 hci_dev_unlock(hdev);
7087}
7088
5d900e46 7089void mgmt_adv_timeout_expired(struct hci_dev *hdev)
912098a6 7090{
847818d9
FG		 7091 u8 instance;
7092 struct hci_request req;
7093
5d900e46 7094 hdev->adv_instance_timeout = 0;
912098a6 7095
847818d9
FG		 7096 instance = get_current_adv_instance(hdev);
7097 if (instance == 0x00)
7098 return;
7099
912098a6 7100 hci_dev_lock(hdev);
847818d9
FG		 7101 hci_req_init(&req, hdev);
7102
7103 clear_adv_instance(hdev, &req, instance, false);
7104
7105 if (list_empty(&hdev->adv_instances))
7106 disable_advertising(&req);
7107
7108 if (!skb_queue_empty(&req.cmd_q))
7109 hci_req_run(&req, NULL);
7110
912098a6
AU		 7111 hci_dev_unlock(hdev);
7112}
7113
24b4f38f
AU		 7114static int add_advertising(struct sock *sk, struct hci_dev *hdev,
7115 void *data, u16 data_len)
7116{
7117 struct mgmt_cp_add_advertising *cp = data;
7118 struct mgmt_rp_add_advertising rp;
7119 u32 flags;
089fa8c0 7120 u32 supported_flags;
24b4f38f 7121 u8 status;
fffd38bc
FG		 7122 u16 timeout, duration;
7123 unsigned int prev_instance_cnt = hdev->adv_instance_cnt;
7124 u8 schedule_instance = 0;
7125 struct adv_info *next_instance;
24b4f38f
AU		 7126 int err;
7127 struct mgmt_pending_cmd *cmd;
7128 struct hci_request req;
7129
7130 BT_DBG("%s", hdev->name);
7131
7132 status = mgmt_le_support(hdev);
7133 if (status)
7134 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7135 status);
7136
7137 flags = __le32_to_cpu(cp->flags);
912098a6 7138 timeout = __le16_to_cpu(cp->timeout);
fffd38bc 7139 duration = __le16_to_cpu(cp->duration);
24b4f38f 7140
fffd38bc
FG		 7141 /* The current implementation only supports a subset of the specified
7142 * flags.
089fa8c0
AU		 7143 */
7144 supported_flags = get_supported_adv_flags(hdev);
fffd38bc 7145 if (flags & ~supported_flags)
24b4f38f
AU		 7146 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7147 MGMT_STATUS_INVALID_PARAMS);
7148
7149 hci_dev_lock(hdev);
7150
912098a6
AU		 7151 if (timeout && !hdev_is_powered(hdev)) {
7152 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7153 MGMT_STATUS_REJECTED);
7154 goto unlock;
7155 }
7156
24b4f38f 7157 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
da929335 7158 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
24b4f38f
AU		 7159 pending_find(MGMT_OP_SET_LE, hdev)) {
7160 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7161 MGMT_STATUS_BUSY);
7162 goto unlock;
7163 }
7164
b44133ff 7165 if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) ||
4117ed70 7166 !tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len,
b44133ff 7167 cp->scan_rsp_len, false)) {
24b4f38f
AU		 7168 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7169 MGMT_STATUS_INVALID_PARAMS);
7170 goto unlock;
7171 }
7172
fffd38bc
FG		 7173 err = hci_add_adv_instance(hdev, cp->instance, flags,
7174 cp->adv_data_len, cp->data,
7175 cp->scan_rsp_len,
7176 cp->data + cp->adv_data_len,
7177 timeout, duration);
7178 if (err < 0) {
7179 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7180 MGMT_STATUS_FAILED);
7181 goto unlock;
7182 }
24b4f38f 7183
fffd38bc
FG		 7184 /* Only trigger an advertising added event if a new instance was
7185 * actually added.
7186 */
7187 if (hdev->adv_instance_cnt > prev_instance_cnt)
7188 advertising_added(sk, hdev, cp->instance);
912098a6 7189
fffd38bc 7190 hci_dev_set_flag(hdev, HCI_ADVERTISING_INSTANCE);
912098a6 7191
fffd38bc
FG		 7192 if (hdev->cur_adv_instance == cp->instance) {
7193 /* If the currently advertised instance is being changed then
7194 * cancel the current advertising and schedule the next
7195 * instance. If there is only one instance then the overridden
7196 * advertising data will be visible right away.
7197 */
7198 cancel_adv_timeout(hdev);
912098a6 7199
fffd38bc
FG		 7200 next_instance = hci_get_next_instance(hdev, cp->instance);
7201 if (next_instance)
7202 schedule_instance = next_instance->instance;
7203 } else if (!hdev->adv_instance_timeout) {
7204 /* Immediately advertise the new instance if no other
7205 * instance is currently being advertised.
7206 */
7207 schedule_instance = cp->instance;
7208 }
24b4f38f 7209
fffd38bc
FG		 7210 /* If the HCI_ADVERTISING flag is set or the device isn't powered or
7211 * there is no instance to be advertised then we have no HCI
7212 * communication to make. Simply return.
24b4f38f
AU		 7213 */
7214 if (!hdev_is_powered(hdev) ||
fffd38bc
FG		 7215 hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7216 !schedule_instance) {
7217 rp.instance = cp->instance;
24b4f38f
AU		 7218 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7219 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7220 goto unlock;
7221 }
7222
7223 /* We're good to go, update advertising data, parameters, and start
7224 * advertising.
7225 */
7226 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
7227 data_len);
7228 if (!cmd) {
7229 err = -ENOMEM;
7230 goto unlock;
7231 }
7232
7233 hci_req_init(&req, hdev);
7234
fffd38bc
FG		 7235 err = schedule_adv_instance(&req, schedule_instance, true);
7236
7237 if (!err)
7238 err = hci_req_run(&req, add_advertising_complete);
24b4f38f 7239
24b4f38f
AU		 7240 if (err < 0)
7241 mgmt_pending_remove(cmd);
7242
7243unlock:
7244 hci_dev_unlock(hdev);
7245
7246 return err;
7247}
7248
da929335
AU		 7249static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
7250 u16 opcode)
7251{
7252 struct mgmt_pending_cmd *cmd;
01948331 7253 struct mgmt_cp_remove_advertising *cp;
da929335
AU		 7254 struct mgmt_rp_remove_advertising rp;
7255
7256 BT_DBG("status %d", status);
7257
7258 hci_dev_lock(hdev);
7259
7260 /* A failure status here only means that we failed to disable
7261 * advertising. Otherwise, the advertising instance has been removed,
7262 * so report success.
7263 */
7264 cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
7265 if (!cmd)
7266 goto unlock;
7267
01948331
FG		 7268 cp = cmd->param;
7269 rp.instance = cp->instance;
da929335
AU		 7270
7271 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
7272 &rp, sizeof(rp));
7273 mgmt_pending_remove(cmd);
7274
7275unlock:
7276 hci_dev_unlock(hdev);
7277}
7278
7279static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
7280 void *data, u16 data_len)
7281{
7282 struct mgmt_cp_remove_advertising *cp = data;
7283 struct mgmt_rp_remove_advertising rp;
da929335
AU		 7284 struct mgmt_pending_cmd *cmd;
7285 struct hci_request req;
952497b1 7286 int err;
da929335
AU		 7287
7288 BT_DBG("%s", hdev->name);
7289
da929335
AU		 7290 hci_dev_lock(hdev);
7291
952497b1 7292 if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
01948331
FG		 7293 err = mgmt_cmd_status(sk, hdev->id,
7294 MGMT_OP_REMOVE_ADVERTISING,
7295 MGMT_STATUS_INVALID_PARAMS);
7296 goto unlock;
7297 }
7298
da929335
AU		 7299 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
7300 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
7301 pending_find(MGMT_OP_SET_LE, hdev)) {
7302 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7303 MGMT_STATUS_BUSY);
7304 goto unlock;
7305 }
7306
7307 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE)) {
7308 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7309 MGMT_STATUS_INVALID_PARAMS);
7310 goto unlock;
7311 }
7312
01948331 7313 hci_req_init(&req, hdev);
da929335 7314
01948331 7315 clear_adv_instance(hdev, &req, cp->instance, true);
da929335 7316
01948331
FG		 7317 if (list_empty(&hdev->adv_instances))
7318 disable_advertising(&req);
da929335 7319
01948331
FG		 7320 /* If no HCI commands have been collected so far or the HCI_ADVERTISING
7321 * flag is set or the device isn't powered then we have no HCI
7322 * communication to make. Simply return.
da929335 7323 */
01948331
FG		 7324 if (skb_queue_empty(&req.cmd_q) ||
7325 !hdev_is_powered(hdev) ||
da929335 7326 hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
01948331 7327 rp.instance = cp->instance;
da929335
AU		 7328 err = mgmt_cmd_complete(sk, hdev->id,
7329 MGMT_OP_REMOVE_ADVERTISING,
7330 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7331 goto unlock;
7332 }
7333
7334 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
7335 data_len);
7336 if (!cmd) {
7337 err = -ENOMEM;
7338 goto unlock;
7339 }
7340
da929335
AU		 7341 err = hci_req_run(&req, remove_advertising_complete);
7342 if (err < 0)
7343 mgmt_pending_remove(cmd);
7344
7345unlock:
7346 hci_dev_unlock(hdev);
7347
7348 return err;
7349}
7350
6d785aa3 7351static const struct hci_mgmt_handler mgmt_handlers[] = {
0f4e68cf 7352 { NULL }, /* 0x0000 (no command) */
b9a245fb 7353 { read_version, MGMT_READ_VERSION_SIZE,
c91041dc
MH		 7354 HCI_MGMT_NO_HDEV |
7355 HCI_MGMT_UNTRUSTED },
b9a245fb 7356 { read_commands, MGMT_READ_COMMANDS_SIZE,
c91041dc
MH		 7357 HCI_MGMT_NO_HDEV |
7358 HCI_MGMT_UNTRUSTED },
b9a245fb 7359 { read_index_list, MGMT_READ_INDEX_LIST_SIZE,
c91041dc
MH		 7360 HCI_MGMT_NO_HDEV |
7361 HCI_MGMT_UNTRUSTED },
7362 { read_controller_info, MGMT_READ_INFO_SIZE,
7363 HCI_MGMT_UNTRUSTED },
7aea8616
MH		 7364 { set_powered, MGMT_SETTING_SIZE },
7365 { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE },
7366 { set_connectable, MGMT_SETTING_SIZE },
7367 { set_fast_connectable, MGMT_SETTING_SIZE },
7368 { set_bondable, MGMT_SETTING_SIZE },
7369 { set_link_security, MGMT_SETTING_SIZE },
7370 { set_ssp, MGMT_SETTING_SIZE },
7371 { set_hs, MGMT_SETTING_SIZE },
7372 { set_le, MGMT_SETTING_SIZE },
7373 { set_dev_class, MGMT_SET_DEV_CLASS_SIZE },
7374 { set_local_name, MGMT_SET_LOCAL_NAME_SIZE },
7375 { add_uuid, MGMT_ADD_UUID_SIZE },
7376 { remove_uuid, MGMT_REMOVE_UUID_SIZE },
b9a245fb
JH		 7377 { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE,
7378 HCI_MGMT_VAR_LEN },
7379 { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE,
7380 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7381 { disconnect, MGMT_DISCONNECT_SIZE },
7382 { get_connections, MGMT_GET_CONNECTIONS_SIZE },
7383 { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE },
7384 { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE },
7385 { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE },
7386 { pair_device, MGMT_PAIR_DEVICE_SIZE },
7387 { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE },
7388 { unpair_device, MGMT_UNPAIR_DEVICE_SIZE },
7389 { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE },
7390 { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
7391 { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE },
7392 { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
b9a245fb
JH		 7393 { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE },
7394 { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE,
7395 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7396 { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
7397 { start_discovery, MGMT_START_DISCOVERY_SIZE },
7398 { stop_discovery, MGMT_STOP_DISCOVERY_SIZE },
7399 { confirm_name, MGMT_CONFIRM_NAME_SIZE },
7400 { block_device, MGMT_BLOCK_DEVICE_SIZE },
7401 { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE },
7402 { set_device_id, MGMT_SET_DEVICE_ID_SIZE },
7403 { set_advertising, MGMT_SETTING_SIZE },
7404 { set_bredr, MGMT_SETTING_SIZE },
7405 { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE },
7406 { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE },
7407 { set_secure_conn, MGMT_SETTING_SIZE },
7408 { set_debug_keys, MGMT_SETTING_SIZE },
7409 { set_privacy, MGMT_SET_PRIVACY_SIZE },
b9a245fb
JH		 7410 { load_irks, MGMT_LOAD_IRKS_SIZE,
7411 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7412 { get_conn_info, MGMT_GET_CONN_INFO_SIZE },
7413 { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE },
7414 { add_device, MGMT_ADD_DEVICE_SIZE },
7415 { remove_device, MGMT_REMOVE_DEVICE_SIZE },
b9a245fb
JH		 7416 { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE,
7417 HCI_MGMT_VAR_LEN },
7418 { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE,
c91041dc
MH		 7419 HCI_MGMT_NO_HDEV |
7420 HCI_MGMT_UNTRUSTED },
b9a245fb 7421 { read_config_info, MGMT_READ_CONFIG_INFO_SIZE,
c91041dc
MH		 7422 HCI_MGMT_UNCONFIGURED |
7423 HCI_MGMT_UNTRUSTED },
b9a245fb
JH		 7424 { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE,
7425 HCI_MGMT_UNCONFIGURED },
7426 { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE,
7427 HCI_MGMT_UNCONFIGURED },
7428 { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE,
7429 HCI_MGMT_VAR_LEN },
4f0f155c 7430 { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE },
96f1474a 7431 { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE,
c91041dc
MH		 7432 HCI_MGMT_NO_HDEV |
7433 HCI_MGMT_UNTRUSTED },
d3d5305b 7434 { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE },
24b4f38f
AU		 7435 { add_advertising, MGMT_ADD_ADVERTISING_SIZE,
7436 HCI_MGMT_VAR_LEN },
da929335 7437 { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
0f4e68cf
JH		 7438};
7439
bf6b56db 7440void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 7441{
ced85549 7442 struct mgmt_ev_ext_index ev;
bb4b2a9a 7443
0602a8ad
MH		 7444 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7445 return;
7446
f9207338
MH		 7447 switch (hdev->dev_type) {
7448 case HCI_BREDR:
7449 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7450 mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
7451 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 7452 ev.type = 0x01;
f9207338
MH		 7453 } else {
7454 mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
7455 HCI_MGMT_INDEX_EVENTS);
ced85549 7456 ev.type = 0x00;
f9207338
MH		 7457 }
7458 break;
ced85549
MH		 7459 case HCI_AMP:
7460 ev.type = 0x02;
7461 break;
7462 default:
7463 return;
f9207338 7464 }
ced85549
MH		 7465
7466 ev.bus = hdev->bus;
7467
7468 mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev),
7469 HCI_MGMT_EXT_INDEX_EVENTS);
c71e97bf
JH		 7470}
7471
bf6b56db 7472void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 7473{
ced85549 7474 struct mgmt_ev_ext_index ev;
5f159032 7475 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 7476
0602a8ad
MH		 7477 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7478 return;
7479
f9207338
MH		 7480 switch (hdev->dev_type) {
7481 case HCI_BREDR:
7482 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
b24752fe 7483
f9207338
MH		 7484 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7485 mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
7486 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 7487 ev.type = 0x01;
f9207338
MH		 7488 } else {
7489 mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
7490 HCI_MGMT_INDEX_EVENTS);
ced85549 7491 ev.type = 0x00;
f9207338
MH		 7492 }
7493 break;
ced85549
MH		 7494 case HCI_AMP:
7495 ev.type = 0x02;
7496 break;
7497 default:
7498 return;
f9207338 7499 }
ced85549
MH		 7500
7501 ev.bus = hdev->bus;
7502
7503 mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev),
7504 HCI_MGMT_EXT_INDEX_EVENTS);
eec8d2bc
JH		 7505}
7506
6046dc3e 7507/* This function requires the caller holds hdev->lock */
af02dd44 7508static void restart_le_actions(struct hci_dev *hdev)
6046dc3e
AG		 7509{
7510 struct hci_conn_params *p;
7511
7512 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 7513 /* Needed for AUTO_OFF case where might not "really"
7514 * have been powered off.
7515 */
7516 list_del_init(&p->action);
7517
7518 switch (p->auto_connect) {
4b9e7e75 7519 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 7520 case HCI_AUTO_CONN_ALWAYS:
7521 list_add(&p->action, &hdev->pend_le_conns);
7522 break;
7523 case HCI_AUTO_CONN_REPORT:
7524 list_add(&p->action, &hdev->pend_le_reports);
7525 break;
7526 default:
7527 break;
c83ed19d 7528 }
6046dc3e
AG		 7529 }
7530}
7531
1904a853 7532static void powered_complete(struct hci_dev *hdev, u8 status, u16 opcode)
229ab39c
JH		 7533{
7534 struct cmd_lookup match = { NULL, hdev };
7535
7536 BT_DBG("status 0x%02x", status);
7537
162a3bac
MH		 7538 if (!status) {
7539 /* Register the available SMP channels (BR/EDR and LE) only
7540 * when successfully powering on the controller. This late
7541 * registration is required so that LE SMP can clearly
7542 * decide if the public address or static address is used.
7543 */
7544 smp_register(hdev);
af02dd44
JH		 7545
7546 restart_le_actions(hdev);
7547 hci_update_background_scan(hdev);
162a3bac
MH		 7548 }
7549
229ab39c
JH		 7550 hci_dev_lock(hdev);
7551
7552 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
7553
7554 new_settings(hdev, match.sk);
7555
7556 hci_dev_unlock(hdev);
7557
7558 if (match.sk)
7559 sock_put(match.sk);
7560}
7561
70da6243 7562static int powered_update_hci(struct hci_dev *hdev)
5add6af8 7563{
890ea898 7564 struct hci_request req;
320b3bf7 7565 struct adv_info *adv_instance;
70da6243 7566 u8 link_sec;
5add6af8 7567
890ea898
JH		 7568 hci_req_init(&req, hdev);
7569
d7a5a11d 7570 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
70da6243 7571 !lmp_host_ssp_capable(hdev)) {
574ea3c7 7572 u8 mode = 0x01;
5e5282bb 7573
574ea3c7
MH		 7574 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
7575
7576 if (bredr_sc_enabled(hdev) && !lmp_host_sc_capable(hdev)) {
7577 u8 support = 0x01;
5add6af8 7578
574ea3c7
MH		 7579 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT,
7580 sizeof(support), &support);
7581 }
ec6f99b8
JH		 7582 }
7583
d7a5a11d 7584 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
c73eee91 7585 lmp_bredr_capable(hdev)) {
70da6243 7586 struct hci_cp_write_le_host_supported cp;
f0ff92fb 7587
32226e4f
MH		 7588 cp.le = 0x01;
7589 cp.simul = 0x00;
3d1cbdd6 7590
70da6243
JH		 7591 /* Check first if we already have the right
7592 * host state (host features set)
7593 */
7594 if (cp.le != lmp_host_le_capable(hdev) ||
7595 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 7596 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
7597 sizeof(cp), &cp);
70da6243 7598 }
3d1cbdd6 7599
d13eafce 7600 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 7601 /* Make sure the controller has a good default for
7602 * advertising data. This also applies to the case
7603 * where BR/EDR was toggled during the AUTO_OFF phase.
7604 */
320b3bf7
FG		 7605 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
7606 (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7607 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))) {
5947f4bc 7608 update_adv_data(&req);
f14d8f64
MH		 7609 update_scan_rsp_data(&req);
7610 }
441ad2d0 7611
320b3bf7
FG		 7612 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7613 hdev->cur_adv_instance == 0x00 &&
7614 !list_empty(&hdev->adv_instances)) {
7615 adv_instance = list_first_entry(&hdev->adv_instances,
7616 struct adv_info, list);
7617 hdev->cur_adv_instance = adv_instance->instance;
7618 }
7619
7620 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
bba3aa55 7621 enable_advertising(&req);
320b3bf7
FG		 7622 else if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7623 hdev->cur_adv_instance)
7624 schedule_adv_instance(&req, hdev->cur_adv_instance,
7625 true);
eeca6f89
JH		 7626 }
7627
d7a5a11d 7628 link_sec = hci_dev_test_flag(hdev, HCI_LINK_SECURITY);
70da6243 7629 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 7630 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
7631 sizeof(link_sec), &link_sec);
562fcc24 7632
70da6243 7633 if (lmp_bredr_capable(hdev)) {
d7a5a11d 7634 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
406ef2a6
JH		 7635 write_fast_connectable(&req, true);
7636 else
7637 write_fast_connectable(&req, false);
1d2dc5b7 7638 __hci_update_page_scan(&req);
890ea898 7639 update_class(&req);
13928971 7640 update_name(&req);
890ea898 7641 update_eir(&req);
70da6243 7642 }
562fcc24 7643
229ab39c 7644 return hci_req_run(&req, powered_complete);
70da6243 7645}
562fcc24 7646
70da6243
JH		 7647int mgmt_powered(struct hci_dev *hdev, u8 powered)
7648{
7649 struct cmd_lookup match = { NULL, hdev };
9845904f 7650 u8 status, zero_cod[] = { 0, 0, 0 };
70da6243 7651 int err;
f0ff92fb 7652
d7a5a11d 7653 if (!hci_dev_test_flag(hdev, HCI_MGMT))
70da6243
JH		 7654 return 0;
7655
70da6243 7656 if (powered) {
229ab39c
JH		 7657 if (powered_update_hci(hdev) == 0)
7658 return 0;
fe038884 7659
229ab39c
JH		 7660 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
7661 &match);
7662 goto new_settings;
b24752fe
JH		 7663 }
7664
229ab39c 7665 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
9845904f
JH		 7666
7667 /* If the power off is because of hdev unregistration let
7668 * use the appropriate INVALID_INDEX status. Otherwise use
7669 * NOT_POWERED. We cover both scenarios here since later in
7670 * mgmt_index_removed() any hci_conn callbacks will have already
7671 * been triggered, potentially causing misleading DISCONNECTED
7672 * status responses.
7673 */
d7a5a11d 7674 if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
9845904f
JH		 7675 status = MGMT_STATUS_INVALID_INDEX;
7676 else
7677 status = MGMT_STATUS_NOT_POWERED;
7678
7679 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
229ab39c
JH		 7680
7681 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
f6b7712e
MH		 7682 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
7683 zero_cod, sizeof(zero_cod), NULL);
229ab39c
JH		 7684
7685new_settings:
beadb2bd 7686 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 7687
7688 if (match.sk)
7689 sock_put(match.sk);
7690
7bb895d6 7691 return err;
5add6af8 7692}
73f22f62 7693
3eec705e 7694void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc 7695{
3b0602cd 7696 struct mgmt_pending_cmd *cmd;
96570ffc
JH		 7697 u8 status;
7698
333ae95d 7699 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
96570ffc 7700 if (!cmd)
3eec705e 7701 return;
96570ffc
JH		 7702
7703 if (err == -ERFKILL)
7704 status = MGMT_STATUS_RFKILLED;
7705 else
7706 status = MGMT_STATUS_FAILED;
7707
a69e8375 7708 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 7709
7710 mgmt_pending_remove(cmd);
96570ffc
JH		 7711}
7712
d1967ff8
MH		 7713void mgmt_discoverable_timeout(struct hci_dev *hdev)
7714{
7715 struct hci_request req;
d1967ff8
MH		 7716
7717 hci_dev_lock(hdev);
7718
7719 /* When discoverable timeout triggers, then just make sure
7720 * the limited discoverable flag is cleared. Even in the case
7721 * of a timeout triggered from general discoverable, it is
7722 * safe to unconditionally clear the flag.
7723 */
a358dc11
MH		 7724 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
7725 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
d1967ff8
MH		 7726
7727 hci_req_init(&req, hdev);
d7a5a11d 7728 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
4b580614
JH		 7729 u8 scan = SCAN_PAGE;
7730 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
7731 sizeof(scan), &scan);
7732 }
d1967ff8 7733 update_class(&req);
24b4f38f
AU		 7734
7735 /* Advertising instances don't use the global discoverable setting, so
7736 * only update AD if advertising was enabled using Set Advertising.
7737 */
7738 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
7739 update_adv_data(&req);
7740
d1967ff8
MH		 7741 hci_req_run(&req, NULL);
7742
7743 hdev->discov_timeout = 0;
7744
9a43e25f
JH		 7745 new_settings(hdev, NULL);
7746
d1967ff8
MH		 7747 hci_dev_unlock(hdev);
7748}
7749
dc4a5ee2
MH		 7750void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
7751 bool persistent)
55ed8ca1 7752{
86742e1e 7753 struct mgmt_ev_new_link_key ev;
55ed8ca1 7754
a492cd52 7755 memset(&ev, 0, sizeof(ev));
55ed8ca1 7756
a492cd52 7757 ev.store_hint = persistent;
d753fdc4 7758 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 7759 ev.key.addr.type = BDADDR_BREDR;
a492cd52 7760 ev.key.type = key->type;
9b3b4460 7761 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 7762 ev.key.pin_len = key->pin_len;
55ed8ca1 7763
dc4a5ee2 7764 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 7765}
f7520543 7766
d7b25450
JH		 7767static u8 mgmt_ltk_type(struct smp_ltk *ltk)
7768{
23fb8de3
JH		 7769 switch (ltk->type) {
7770 case SMP_LTK:
7771 case SMP_LTK_SLAVE:
7772 if (ltk->authenticated)
7773 return MGMT_LTK_AUTHENTICATED;
7774 return MGMT_LTK_UNAUTHENTICATED;
7775 case SMP_LTK_P256:
7776 if (ltk->authenticated)
7777 return MGMT_LTK_P256_AUTH;
7778 return MGMT_LTK_P256_UNAUTH;
7779 case SMP_LTK_P256_DEBUG:
7780 return MGMT_LTK_P256_DEBUG;
7781 }
d7b25450
JH		 7782
7783 return MGMT_LTK_UNAUTHENTICATED;
7784}
7785
53ac6ab6 7786void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 7787{
7788 struct mgmt_ev_new_long_term_key ev;
7789
7790 memset(&ev, 0, sizeof(ev));
7791
5192d301 7792 /* Devices using resolvable or non-resolvable random addresses
f72186d2 7793 * without providing an identity resolving key don't require
5192d301
MH		 7794 * to store long term keys. Their addresses will change the
7795 * next time around.
7796 *
7797 * Only when a remote device provides an identity address
7798 * make sure the long term key is stored. If the remote
7799 * identity is known, the long term keys are internally
7800 * mapped to the identity address. So allow static random
7801 * and public addresses here.
7802 */
ba74b666
JH		 7803 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7804 (key->bdaddr.b[5] & 0xc0) != 0xc0)
7805 ev.store_hint = 0x00;
7806 else
53ac6ab6 7807 ev.store_hint = persistent;
ba74b666 7808
346af67b 7809 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 7810 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 7811 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 7812 ev.key.enc_size = key->enc_size;
7813 ev.key.ediv = key->ediv;
fe39c7b2 7814 ev.key.rand = key->rand;
346af67b 7815
2ceba539 7816 if (key->type == SMP_LTK)
346af67b
VCG		 7817 ev.key.master = 1;
7818
1fc62c52
JH		 7819 /* Make sure we copy only the significant bytes based on the
7820 * encryption key size, and set the rest of the value to zeroes.
7821 */
cb92205b 7822 memcpy(ev.key.val, key->val, key->enc_size);
1fc62c52
JH		 7823 memset(ev.key.val + key->enc_size, 0,
7824 sizeof(ev.key.val) - key->enc_size);
346af67b 7825
083368f7 7826 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 7827}
7828
cad20c27 7829void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent)
95fbac8a
JH		 7830{
7831 struct mgmt_ev_new_irk ev;
7832
7833 memset(&ev, 0, sizeof(ev));
7834
cad20c27 7835 ev.store_hint = persistent;
bab6d1e5 7836
95fbac8a
JH		 7837 bacpy(&ev.rpa, &irk->rpa);
7838 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
7839 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
7840 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
7841
7842 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
7843}
7844
53ac6ab6
MH		 7845void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
7846 bool persistent)
7ee4ea36
MH		 7847{
7848 struct mgmt_ev_new_csrk ev;
7849
7850 memset(&ev, 0, sizeof(ev));
7851
7852 /* Devices using resolvable or non-resolvable random addresses
f72186d2 7853 * without providing an identity resolving key don't require
7ee4ea36
MH		 7854 * to store signature resolving keys. Their addresses will change
7855 * the next time around.
7856 *
7857 * Only when a remote device provides an identity address
7858 * make sure the signature resolving key is stored. So allow
7859 * static random and public addresses here.
7860 */
7861 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7862 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
7863 ev.store_hint = 0x00;
7864 else
53ac6ab6 7865 ev.store_hint = persistent;
7ee4ea36
MH		 7866
7867 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
7868 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
4cd3928a 7869 ev.key.type = csrk->type;
7ee4ea36
MH		 7870 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
7871
7872 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
7873}
7874
ffb5a827 7875void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 7876 u8 bdaddr_type, u8 store_hint, u16 min_interval,
7877 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 7878{
7879 struct mgmt_ev_new_conn_param ev;
7880
c103aea6
JH		 7881 if (!hci_is_identity_address(bdaddr, bdaddr_type))
7882 return;
7883
ffb5a827
AG		 7884 memset(&ev, 0, sizeof(ev));
7885 bacpy(&ev.addr.bdaddr, bdaddr);
7886 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 7887 ev.store_hint = store_hint;
ffb5a827
AG		 7888 ev.min_interval = cpu_to_le16(min_interval);
7889 ev.max_interval = cpu_to_le16(max_interval);
7890 ev.latency = cpu_to_le16(latency);
7891 ev.timeout = cpu_to_le16(timeout);
7892
7893 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
7894}
7895
48ec92fa
AA		 7896void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
7897 u32 flags, u8 *name, u8 name_len)
f7520543 7898{
b644ba33
JH		 7899 char buf[512];
7900 struct mgmt_ev_device_connected *ev = (void *) buf;
7901 u16 eir_len = 0;
f7520543 7902
48ec92fa
AA		 7903 bacpy(&ev->addr.bdaddr, &conn->dst);
7904 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
f7520543 7905
c95f0ba7 7906 ev->flags = __cpu_to_le32(flags);
08c79b61 7907
fd45ada9
AA		 7908 /* We must ensure that the EIR Data fields are ordered and
7909 * unique. Keep it simple for now and avoid the problem by not
7910 * adding any BR/EDR data to the LE adv.
7911 */
7912 if (conn->le_adv_data_len > 0) {
7913 memcpy(&ev->eir[eir_len],
7914 conn->le_adv_data, conn->le_adv_data_len);
7915 eir_len = conn->le_adv_data_len;
7916 } else {
7917 if (name_len > 0)
7918 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
7919 name, name_len);
b644ba33 7920
ddbea5cf 7921 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
fd45ada9
AA		 7922 eir_len = eir_append_data(ev->eir, eir_len,
7923 EIR_CLASS_OF_DEV,
7924 conn->dev_class, 3);
7925 }
b644ba33 7926
eb55ef07 7927 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 7928
ecd90ae7
MH		 7929 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
7930 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 7931}
7932
3b0602cd 7933static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data)
8962ee74 7934{
8962ee74 7935 struct sock **sk = data;
8962ee74 7936
f5818c22 7937 cmd->cmd_complete(cmd, 0);
8962ee74
JH		 7938
7939 *sk = cmd->sk;
7940 sock_hold(*sk);
7941
a664b5bc 7942 mgmt_pending_remove(cmd);
8962ee74
JH		 7943}
7944
3b0602cd 7945static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data)
a8a1d19e 7946{
b1078ad0 7947 struct hci_dev *hdev = data;
124f6e35 7948 struct mgmt_cp_unpair_device *cp = cmd->param;
a8a1d19e 7949
b1078ad0
JH		 7950 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
7951
d8b7b1e4 7952 cmd->cmd_complete(cmd, 0);
a8a1d19e
JH		 7953 mgmt_pending_remove(cmd);
7954}
7955
84c61d92
JH		 7956bool mgmt_powering_down(struct hci_dev *hdev)
7957{
3b0602cd 7958 struct mgmt_pending_cmd *cmd;
84c61d92
JH		 7959 struct mgmt_mode *cp;
7960
333ae95d 7961 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
84c61d92
JH		 7962 if (!cmd)
7963 return false;
7964
7965 cp = cmd->param;
7966 if (!cp->val)
7967 return true;
7968
7969 return false;
7970}
7971
9b80ec5e 7972void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 7973 u8 link_type, u8 addr_type, u8 reason,
7974 bool mgmt_connected)
f7520543 7975{
f0d6a0ea 7976 struct mgmt_ev_device_disconnected ev;
8962ee74 7977 struct sock *sk = NULL;
8962ee74 7978
84c61d92
JH		 7979 /* The connection is still in hci_conn_hash so test for 1
7980 * instead of 0 to know if this is the last one.
7981 */
7982 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
7983 cancel_delayed_work(&hdev->power_off);
7984 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 7985 }
7986
12d4a3b2
JH		 7987 if (!mgmt_connected)
7988 return;
7989
57eb776f
AG		 7990 if (link_type != ACL_LINK && link_type != LE_LINK)
7991 return;
7992
744cf19e 7993 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 7994
f0d6a0ea
MA		 7995 bacpy(&ev.addr.bdaddr, bdaddr);
7996 ev.addr.type = link_to_bdaddr(link_type, addr_type);
7997 ev.reason = reason;
f7520543 7998
9b80ec5e 7999 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 8000
8001 if (sk)
d97dcb66 8002 sock_put(sk);
8962ee74 8003
124f6e35 8004 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 8005 hdev);
8962ee74
JH		 8006}
8007
7892924c
MH		 8008void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
8009 u8 link_type, u8 addr_type, u8 status)
8962ee74 8010{
3655bba8
AG		 8011 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
8012 struct mgmt_cp_disconnect *cp;
3b0602cd 8013 struct mgmt_pending_cmd *cmd;
8962ee74 8014
36a75f1b
JD		 8015 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
8016 hdev);
8017
333ae95d 8018 cmd = pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 8019 if (!cmd)
7892924c 8020 return;
8962ee74 8021
3655bba8
AG		 8022 cp = cmd->param;
8023
8024 if (bacmp(bdaddr, &cp->addr.bdaddr))
8025 return;
8026
8027 if (cp->addr.type != bdaddr_type)
8028 return;
8029
f5818c22 8030 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8031 mgmt_pending_remove(cmd);
f7520543 8032}
17d5c04c 8033
445608d0
MH		 8034void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8035 u8 addr_type, u8 status)
17d5c04c
JH		 8036{
8037 struct mgmt_ev_connect_failed ev;
c9910d0f 8038
84c61d92
JH		 8039 /* The connection is still in hci_conn_hash so test for 1
8040 * instead of 0 to know if this is the last one.
8041 */
8042 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
8043 cancel_delayed_work(&hdev->power_off);
8044 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 8045 }
17d5c04c 8046
4c659c39 8047 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8048 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 8049 ev.status = mgmt_status(status);
17d5c04c 8050
445608d0 8051 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 8052}
980e1a53 8053
ce0e4a0d 8054void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 8055{
8056 struct mgmt_ev_pin_code_request ev;
8057
d8457698 8058 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 8059 ev.addr.type = BDADDR_BREDR;
a770bb5a 8060 ev.secure = secure;
980e1a53 8061
ce0e4a0d 8062 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 8063}
8064
e669cf80
MH		 8065void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8066 u8 status)
980e1a53 8067{
3b0602cd 8068 struct mgmt_pending_cmd *cmd;
980e1a53 8069
333ae95d 8070 cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 8071 if (!cmd)
e669cf80 8072 return;
980e1a53 8073
7776d1d8 8074 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8075 mgmt_pending_remove(cmd);
980e1a53
JH		 8076}
8077
3eb38528
MH		 8078void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8079 u8 status)
980e1a53 8080{
3b0602cd 8081 struct mgmt_pending_cmd *cmd;
980e1a53 8082
333ae95d 8083 cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 8084 if (!cmd)
3eb38528 8085 return;
980e1a53 8086
7776d1d8 8087 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8088 mgmt_pending_remove(cmd);
980e1a53 8089}
a5c29683 8090
744cf19e 8091int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 8092 u8 link_type, u8 addr_type, u32 value,
04124681 8093 u8 confirm_hint)
a5c29683
JH		 8094{
8095 struct mgmt_ev_user_confirm_request ev;
8096
744cf19e 8097 BT_DBG("%s", hdev->name);
a5c29683 8098
272d90df 8099 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8100 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 8101 ev.confirm_hint = confirm_hint;
39adbffe 8102 ev.value = cpu_to_le32(value);
a5c29683 8103
744cf19e 8104 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 8105 NULL);
a5c29683
JH		 8106}
8107
272d90df 8108int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 8109 u8 link_type, u8 addr_type)
604086b7
BG		 8110{
8111 struct mgmt_ev_user_passkey_request ev;
8112
8113 BT_DBG("%s", hdev->name);
8114
272d90df 8115 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8116 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 8117
8118 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 8119 NULL);
604086b7
BG		 8120}
8121
0df4c185 8122static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 8123 u8 link_type, u8 addr_type, u8 status,
8124 u8 opcode)
a5c29683 8125{
3b0602cd 8126 struct mgmt_pending_cmd *cmd;
a5c29683 8127
333ae95d 8128 cmd = pending_find(opcode, hdev);
a5c29683
JH		 8129 if (!cmd)
8130 return -ENOENT;
8131
7776d1d8 8132 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8133 mgmt_pending_remove(cmd);
a5c29683 8134
7776d1d8 8135 return 0;
a5c29683
JH		 8136}
8137
744cf19e 8138int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8139 u8 link_type, u8 addr_type, u8 status)
a5c29683 8140{
272d90df 8141 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 8142 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 8143}
8144
272d90df 8145int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8146 u8 link_type, u8 addr_type, u8 status)
a5c29683 8147{
272d90df 8148 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 8149 status,
8150 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 8151}
2a611692 8152
604086b7 8153int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8154 u8 link_type, u8 addr_type, u8 status)
604086b7 8155{
272d90df 8156 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 8157 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 8158}
8159
272d90df 8160int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8161 u8 link_type, u8 addr_type, u8 status)
604086b7 8162{
272d90df 8163 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 8164 status,
8165 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 8166}
8167
92a25256
JH		 8168int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
8169 u8 link_type, u8 addr_type, u32 passkey,
8170 u8 entered)
8171{
8172 struct mgmt_ev_passkey_notify ev;
8173
8174 BT_DBG("%s", hdev->name);
8175
8176 bacpy(&ev.addr.bdaddr, bdaddr);
8177 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8178 ev.passkey = __cpu_to_le32(passkey);
8179 ev.entered = entered;
8180
8181 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
8182}
8183
e1e930f5 8184void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
2a611692
JH		 8185{
8186 struct mgmt_ev_auth_failed ev;
3b0602cd 8187 struct mgmt_pending_cmd *cmd;
e1e930f5 8188 u8 status = mgmt_status(hci_status);
2a611692 8189
e1e930f5
JH		 8190 bacpy(&ev.addr.bdaddr, &conn->dst);
8191 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
8192 ev.status = status;
2a611692 8193
e1e930f5
JH		 8194 cmd = find_pairing(conn);
8195
8196 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
8197 cmd ? cmd->sk : NULL);
8198
a511b35b
JH		 8199 if (cmd) {
8200 cmd->cmd_complete(cmd, status);
8201 mgmt_pending_remove(cmd);
8202 }
2a611692 8203}
b312b161 8204
464996ae 8205void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 8206{
8207 struct cmd_lookup match = { NULL, hdev };
464996ae 8208 bool changed;
33ef95ed
JH		 8209
8210 if (status) {
8211 u8 mgmt_err = mgmt_status(status);
8212 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 8213 cmd_status_rsp, &mgmt_err);
464996ae 8214 return;
33ef95ed
JH		 8215 }
8216
464996ae 8217 if (test_bit(HCI_AUTH, &hdev->flags))
238be788 8218 changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY);
464996ae 8219 else
a69d8927 8220 changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY);
47990ea0 8221
33ef95ed 8222 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 8223 &match);
33ef95ed 8224
47990ea0 8225 if (changed)
464996ae 8226 new_settings(hdev, match.sk);
33ef95ed
JH		 8227
8228 if (match.sk)
8229 sock_put(match.sk);
33ef95ed
JH		 8230}
8231
890ea898 8232static void clear_eir(struct hci_request *req)
cacaf52f 8233{
890ea898 8234 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 8235 struct hci_cp_write_eir cp;
8236
976eb20e 8237 if (!lmp_ext_inq_capable(hdev))
890ea898 8238 return;
cacaf52f 8239
c80da27e
JH		 8240 memset(hdev->eir, 0, sizeof(hdev->eir));
8241
cacaf52f
JH		 8242 memset(&cp, 0, sizeof(cp));
8243
890ea898 8244 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 8245}
8246
3e248560 8247void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 8248{
8249 struct cmd_lookup match = { NULL, hdev };
890ea898 8250 struct hci_request req;
c0ecddc2 8251 bool changed = false;
ed2c4ee3
JH		 8252
8253 if (status) {
8254 u8 mgmt_err = mgmt_status(status);
c0ecddc2 8255
a69d8927
MH		 8256 if (enable && hci_dev_test_and_clear_flag(hdev,
8257 HCI_SSP_ENABLED)) {
a358dc11 8258 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
3e248560 8259 new_settings(hdev, NULL);
9ecb3e24 8260 }
c0ecddc2 8261
04124681
GP		 8262 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
8263 &mgmt_err);
3e248560 8264 return;
c0ecddc2
JH		 8265 }
8266
8267 if (enable) {
238be788 8268 changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
c0ecddc2 8269 } else {
a69d8927 8270 changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
9ecb3e24 8271 if (!changed)
a69d8927
MH		 8272 changed = hci_dev_test_and_clear_flag(hdev,
8273 HCI_HS_ENABLED);
9ecb3e24 8274 else
a358dc11 8275 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
ed2c4ee3
JH		 8276 }
8277
8278 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
8279
c0ecddc2 8280 if (changed)
3e248560 8281 new_settings(hdev, match.sk);
ed2c4ee3 8282
5fc6ebb1 8283 if (match.sk)
ed2c4ee3
JH		 8284 sock_put(match.sk);
8285
890ea898
JH		 8286 hci_req_init(&req, hdev);
8287
d7a5a11d
MH		 8288 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
8289 if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 8290 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
8291 sizeof(enable), &enable);
890ea898 8292 update_eir(&req);
3769972b 8293 } else {
890ea898 8294 clear_eir(&req);
3769972b 8295 }
890ea898
JH		 8296
8297 hci_req_run(&req, NULL);
ed2c4ee3
JH		 8298}
8299
3b0602cd 8300static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
90e70454
JH		 8301{
8302 struct cmd_lookup *match = data;
8303
90e70454
JH		 8304 if (match->sk == NULL) {
8305 match->sk = cmd->sk;
8306 sock_hold(match->sk);
8307 }
90e70454
JH		 8308}
8309
4e1b0245
MH		 8310void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
8311 u8 status)
7f9a903c 8312{
90e70454 8313 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 8314
92da6097
JH		 8315 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
8316 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
8317 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 8318
8319 if (!status)
f6b7712e
MH		 8320 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
8321 dev_class, 3, NULL);
90e70454
JH		 8322
8323 if (match.sk)
8324 sock_put(match.sk);
7f9a903c
MH		 8325}
8326
7667da34 8327void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 8328{
b312b161 8329 struct mgmt_cp_set_local_name ev;
3b0602cd 8330 struct mgmt_pending_cmd *cmd;
28cc7bde 8331
13928971 8332 if (status)
7667da34 8333 return;
b312b161
JH		 8334
8335 memset(&ev, 0, sizeof(ev));
8336 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 8337 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 8338
333ae95d 8339 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 8340 if (!cmd) {
8341 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 8342
13928971
JH		 8343 /* If this is a HCI command related to powering on the
8344 * HCI dev don't send any mgmt signals.
8345 */
333ae95d 8346 if (pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 8347 return;
890ea898 8348 }
b312b161 8349
f6b7712e
MH		 8350 mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
8351 cmd ? cmd->sk : NULL);
b312b161 8352}
c35938b2 8353
799ce93d
JP		 8354static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
8355{
8356 int i;
8357
8358 for (i = 0; i < uuid_count; i++) {
8359 if (!memcmp(uuid, uuids[i], 16))
8360 return true;
8361 }
8362
8363 return false;
8364}
8365
b487b9ce
MH		 8366static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16])
8367{
799ce93d
JP		 8368 u16 parsed = 0;
8369
8370 while (parsed < eir_len) {
8371 u8 field_len = eir[0];
8372 u8 uuid[16];
8373 int i;
8374
8375 if (field_len == 0)
8376 break;
8377
8378 if (eir_len - parsed < field_len + 1)
8379 break;
8380
8381 switch (eir[1]) {
8382 case EIR_UUID16_ALL:
8383 case EIR_UUID16_SOME:
8384 for (i = 0; i + 3 <= field_len; i += 2) {
189f6ad2 8385 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 8386 uuid[13] = eir[i + 3];
8387 uuid[12] = eir[i + 2];
8388 if (has_uuid(uuid, uuid_count, uuids))
8389 return true;
8390 }
8391 break;
8392 case EIR_UUID32_ALL:
8393 case EIR_UUID32_SOME:
8394 for (i = 0; i + 5 <= field_len; i += 4) {
189f6ad2 8395 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 8396 uuid[15] = eir[i + 5];
8397 uuid[14] = eir[i + 4];
8398 uuid[13] = eir[i + 3];
8399 uuid[12] = eir[i + 2];
8400 if (has_uuid(uuid, uuid_count, uuids))
8401 return true;
8402 }
8403 break;
8404 case EIR_UUID128_ALL:
8405 case EIR_UUID128_SOME:
8406 for (i = 0; i + 17 <= field_len; i += 16) {
8407 memcpy(uuid, eir + i + 2, 16);
8408 if (has_uuid(uuid, uuid_count, uuids))
8409 return true;
8410 }
8411 break;
8412 }
8413
8414 parsed += field_len + 1;
8415 eir += field_len + 1;
8416 }
8417
b487b9ce
MH		 8418 return false;
8419}
8420
4b0e0ced
JP		 8421static void restart_le_scan(struct hci_dev *hdev)
8422{
8423 /* If controller is not scanning we are done. */
d7a5a11d 8424 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
4b0e0ced
JP		 8425 return;
8426
8427 if (time_after(jiffies + DISCOV_LE_RESTART_DELAY,
8428 hdev->discovery.scan_start +
8429 hdev->discovery.scan_duration))
8430 return;
8431
7c1fbed2 8432 queue_delayed_work(hdev->req_workqueue, &hdev->le_scan_restart,
4b0e0ced
JP		 8433 DISCOV_LE_RESTART_DELAY);
8434}
8435
48f86b7f
JP		 8436static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir,
8437 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 8438{
48f86b7f
JP		 8439 /* If a RSSI threshold has been specified, and
8440 * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with
8441 * a RSSI smaller than the RSSI threshold will be dropped. If the quirk
8442 * is set, let it through for further processing, as we might need to
8443 * restart the scan.
efb2513f
MH		 8444 *
8445 * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry,
8446 * the results are also dropped.
bda157a4
MH		 8447 */
8448 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
4b0e0ced
JP		 8449 (rssi == HCI_RSSI_INVALID ||
8450 (rssi < hdev->discovery.rssi &&
8451 !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks))))
48f86b7f 8452 return false;
efb2513f 8453
2976cdeb
JP		 8454 if (hdev->discovery.uuid_count != 0) {
8455 /* If a list of UUIDs is provided in filter, results with no
8456 * matching UUID should be dropped.
b487b9ce 8457 */
2976cdeb
JP		 8458 if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count,
8459 hdev->discovery.uuids) &&
8460 !eir_has_uuids(scan_rsp, scan_rsp_len,
8461 hdev->discovery.uuid_count,
8462 hdev->discovery.uuids))
8463 return false;
b487b9ce 8464 }
5d2e9fad 8465
2976cdeb
JP		 8466 /* If duplicate filtering does not report RSSI changes, then restart
8467 * scanning to ensure updated result with updated RSSI values.
4b0e0ced 8468 */
2976cdeb
JP		 8469 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) {
8470 restart_le_scan(hdev);
8471
8472 /* Validate RSSI value against the RSSI threshold once more. */
8473 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
8474 rssi < hdev->discovery.rssi)
8475 return false;
8476 }
48f86b7f
JP		 8477
8478 return true;
8479}
8480
8481void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8482 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
8483 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
8484{
8485 char buf[512];
8486 struct mgmt_ev_device_found *ev = (void *)buf;
8487 size_t ev_size;
8488
8489 /* Don't send events for a non-kernel initiated discovery. With
8490 * LE one exception is if we have pend_le_reports > 0 in which
8491 * case we're doing passive scanning and want these events.
8492 */
8493 if (!hci_discovery_active(hdev)) {
8494 if (link_type == ACL_LINK)
8495 return;
8496 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
8497 return;
8498 }
8499
82f8b651 8500 if (hdev->discovery.result_filtering) {
48f86b7f
JP		 8501 /* We are using service discovery */
8502 if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp,
8503 scan_rsp_len))
8504 return;
8505 }
8506
8507 /* Make sure that the buffer is big enough. The 5 extra bytes
8508 * are for the potential CoD field.
8509 */
8510 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
4b0e0ced
JP		 8511 return;
8512
48f86b7f
JP		 8513 memset(buf, 0, sizeof(buf));
8514
8515 /* In case of device discovery with BR/EDR devices (pre 1.2), the
8516 * RSSI value was reported as 0 when not available. This behavior
8517 * is kept when using device discovery. This is required for full
8518 * backwards compatibility with the API.
8519 *
8520 * However when using service discovery, the value 127 will be
8521 * returned when the RSSI is not available.
8522 */
8523 if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi &&
8524 link_type == ACL_LINK)
8525 rssi = 0;
8526
8527 bacpy(&ev->addr.bdaddr, bdaddr);
8528 ev->addr.type = link_to_bdaddr(link_type, addr_type);
8529 ev->rssi = rssi;
8530 ev->flags = cpu_to_le32(flags);
8531
8532 if (eir_len > 0)
8533 /* Copy EIR or advertising data into event */
8534 memcpy(ev->eir, eir, eir_len);
8535
8536 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
8537 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
8538 dev_class, 3);
8539
8540 if (scan_rsp_len > 0)
8541 /* Append scan response data to event */
8542 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
8543
5d2e9fad
JH		 8544 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
8545 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 8546
901801b9 8547 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 8548}
a88a9652 8549
9cf12aee
MH		 8550void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8551 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 8552{
b644ba33
JH		 8553 struct mgmt_ev_device_found *ev;
8554 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
8555 u16 eir_len;
a88a9652 8556
b644ba33 8557 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 8558
b644ba33
JH		 8559 memset(buf, 0, sizeof(buf));
8560
8561 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 8562 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 8563 ev->rssi = rssi;
8564
8565 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 8566 name_len);
b644ba33 8567
eb55ef07 8568 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 8569
9cf12aee 8570 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 8571}
314b2381 8572
2f1e063b 8573void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 8574{
f963e8e9 8575 struct mgmt_ev_discovering ev;
164a6e78 8576
343fb145
AG		 8577 BT_DBG("%s discovering %u", hdev->name, discovering);
8578
f963e8e9
JH		 8579 memset(&ev, 0, sizeof(ev));
8580 ev.type = hdev->discovery.type;
8581 ev.discovering = discovering;
8582
2f1e063b 8583 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 8584}
5e762444 8585
1904a853 8586static void adv_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5976e608
MH		 8587{
8588 BT_DBG("%s status %u", hdev->name, status);
5976e608
MH		 8589}
8590
8591void mgmt_reenable_advertising(struct hci_dev *hdev)
8592{
8593 struct hci_request req;
eb6f95f9 8594 u8 instance;
5976e608 8595
24b4f38f
AU		 8596 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
8597 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
5976e608
MH		 8598 return;
8599
eb6f95f9
FG		 8600 instance = get_current_adv_instance(hdev);
8601
5976e608 8602 hci_req_init(&req, hdev);
eb6f95f9
FG		 8603
8604 if (instance) {
8605 schedule_adv_instance(&req, instance, true);
8606 } else {
8607 update_adv_data(&req);
8608 update_scan_rsp_data(&req);
8609 enable_advertising(&req);
8610 }
8611
0ec5ae84 8612 hci_req_run(&req, adv_enable_complete);
5976e608 8613}
6d785aa3
JH		 8614
8615static struct hci_mgmt_chan chan = {
8616 .channel = HCI_CHANNEL_CONTROL,
8617 .handler_count = ARRAY_SIZE(mgmt_handlers),
8618 .handlers = mgmt_handlers,
88b94ce9 8619 .hdev_init = mgmt_init_hdev,
6d785aa3
JH		 8620};
8621
8622int mgmt_init(void)
8623{
8624 return hci_mgmt_chan_register(&chan);
8625}
8626
8627void mgmt_exit(void)
8628{
8629 hci_mgmt_chan_unregister(&chan);
8630}
Linux kernel - Deliverables
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