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Bluetooth: Make __hci_update_background_scan private to hci_request.c
[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
11e6e25d
MH		 4370 queue_delayed_work(hdev->workqueue,
4371 &hdev->le_scan_disable, timeout);
2d28cfe7 4372 }
ae55f598 4373
11e6e25d
MH		 4374unlock:
4375 hci_dev_unlock(hdev);
7c307720
AG		 4376}
4377
bdb6d971 4378static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 4379 void *data, u16 len)
14a53664 4380{
650f726d 4381 struct mgmt_cp_start_discovery *cp = data;
3b0602cd 4382 struct mgmt_pending_cmd *cmd;
7c307720 4383 struct hci_request req;
8019044d 4384 u8 status;
14a53664
JH		 4385 int err;
4386
bdb6d971 4387 BT_DBG("%s", hdev->name);
14a53664 4388
09fd0de5 4389 hci_dev_lock(hdev);
14a53664 4390
4b34ee78 4391 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4392 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4393 MGMT_STATUS_NOT_POWERED,
4394 &cp->type, sizeof(cp->type));
bd2d1334
JH		 4395 goto failed;
4396 }
4397
f5a969f2 4398 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 4399 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 4400 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4401 MGMT_STATUS_BUSY, &cp->type,
4402 sizeof(cp->type));
642be6c7
AG		 4403 goto failed;
4404 }
4405
2922a94f 4406 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, data, len);
14a53664
JH		 4407 if (!cmd) {
4408 err = -ENOMEM;
4409 goto failed;
4410 }
4411
2922a94f
JH		 4412 cmd->cmd_complete = generic_cmd_complete;
4413
22078800
MH		 4414 /* Clear the discovery filter first to free any previously
4415 * allocated memory for the UUID list.
4416 */
4417 hci_discovery_filter_clear(hdev);
4418
4aab14e5 4419 hdev->discovery.type = cp->type;
da25cf6a 4420 hdev->discovery.report_invalid_rssi = false;
4aab14e5 4421
7c307720
AG		 4422 hci_req_init(&req, hdev);
4423
8019044d 4424 if (!trigger_discovery(&req, &status)) {
2a1afb5a
JH		 4425 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4426 status, &cp->type, sizeof(cp->type));
04106755
JH		 4427 mgmt_pending_remove(cmd);
4428 goto failed;
f39799f5 4429 }
04106755 4430
7c307720 4431 err = hci_req_run(&req, start_discovery_complete);
f5a969f2 4432 if (err < 0) {
14a53664 4433 mgmt_pending_remove(cmd);
f5a969f2
MH		 4434 goto failed;
4435 }
7c307720 4436
f5a969f2 4437 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
7c307720 4438
14a53664 4439failed:
09fd0de5 4440 hci_dev_unlock(hdev);
14a53664
JH		 4441 return err;
4442}
f39799f5 4443
3b0602cd
JH		 4444static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
4445 u8 status)
2922a94f 4446{
2a1afb5a
JH		 4447 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
4448 cmd->param, 1);
2922a94f 4449}
04106755 4450
66ea9427
JP		 4451static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
4452 void *data, u16 len)
4453{
4454 struct mgmt_cp_start_service_discovery *cp = data;
3b0602cd 4455 struct mgmt_pending_cmd *cmd;
66ea9427
JP		 4456 struct hci_request req;
4457 const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
4458 u16 uuid_count, expected_len;
4459 u8 status;
4460 int err;
04106755 4461
66ea9427 4462 BT_DBG("%s", hdev->name);
e8bb6b97 4463
66ea9427 4464 hci_dev_lock(hdev);
7c307720 4465
66ea9427 4466 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4467 err = mgmt_cmd_complete(sk, hdev->id,
4468 MGMT_OP_START_SERVICE_DISCOVERY,
4469 MGMT_STATUS_NOT_POWERED,
4470 &cp->type, sizeof(cp->type));
66ea9427
JP		 4471 goto failed;
4472 }
7c307720 4473
66ea9427 4474 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 4475 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 4476 err = mgmt_cmd_complete(sk, hdev->id,
4477 MGMT_OP_START_SERVICE_DISCOVERY,
4478 MGMT_STATUS_BUSY, &cp->type,
4479 sizeof(cp->type));
66ea9427
JP		 4480 goto failed;
4481 }
d9483943 4482
66ea9427
JP		 4483 uuid_count = __le16_to_cpu(cp->uuid_count);
4484 if (uuid_count > max_uuid_count) {
4485 BT_ERR("service_discovery: too big uuid_count value %u",
4486 uuid_count);
2a1afb5a
JH		 4487 err = mgmt_cmd_complete(sk, hdev->id,
4488 MGMT_OP_START_SERVICE_DISCOVERY,
4489 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4490 sizeof(cp->type));
66ea9427
JP		 4491 goto failed;
4492 }
4493
4494 expected_len = sizeof(*cp) + uuid_count * 16;
4495 if (expected_len != len) {
4496 BT_ERR("service_discovery: expected %u bytes, got %u bytes",
4497 expected_len, len);
2a1afb5a
JH		 4498 err = mgmt_cmd_complete(sk, hdev->id,
4499 MGMT_OP_START_SERVICE_DISCOVERY,
4500 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4501 sizeof(cp->type));
66ea9427
JP		 4502 goto failed;
4503 }
4504
4505 cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
2922a94f 4506 hdev, data, len);
66ea9427
JP		 4507 if (!cmd) {
4508 err = -ENOMEM;
4509 goto failed;
4510 }
4511
2922a94f
JH		 4512 cmd->cmd_complete = service_discovery_cmd_complete;
4513
22078800
MH		 4514 /* Clear the discovery filter first to free any previously
4515 * allocated memory for the UUID list.
4516 */
4517 hci_discovery_filter_clear(hdev);
4518
82f8b651 4519 hdev->discovery.result_filtering = true;
66ea9427
JP		 4520 hdev->discovery.type = cp->type;
4521 hdev->discovery.rssi = cp->rssi;
4522 hdev->discovery.uuid_count = uuid_count;
4523
4524 if (uuid_count > 0) {
4525 hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16,
4526 GFP_KERNEL);
4527 if (!hdev->discovery.uuids) {
2a1afb5a
JH		 4528 err = mgmt_cmd_complete(sk, hdev->id,
4529 MGMT_OP_START_SERVICE_DISCOVERY,
4530 MGMT_STATUS_FAILED,
4531 &cp->type, sizeof(cp->type));
d9483943
JH		 4532 mgmt_pending_remove(cmd);
4533 goto failed;
4534 }
66ea9427 4535 }
d9483943 4536
66ea9427 4537 hci_req_init(&req, hdev);
5e0452c0 4538
66ea9427 4539 if (!trigger_discovery(&req, &status)) {
2a1afb5a
JH		 4540 err = mgmt_cmd_complete(sk, hdev->id,
4541 MGMT_OP_START_SERVICE_DISCOVERY,
4542 status, &cp->type, sizeof(cp->type));
04106755
JH		 4543 mgmt_pending_remove(cmd);
4544 goto failed;
f39799f5 4545 }
3fd24153 4546
7c307720 4547 err = hci_req_run(&req, start_discovery_complete);
66ea9427 4548 if (err < 0) {
14a53664 4549 mgmt_pending_remove(cmd);
66ea9427
JP		 4550 goto failed;
4551 }
4552
4553 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 4554
4555failed:
09fd0de5 4556 hci_dev_unlock(hdev);
14a53664
JH		 4557 return err;
4558}
4559
1904a853 4560static void stop_discovery_complete(struct hci_dev *hdev, u8 status, u16 opcode)
1183fdca 4561{
3b0602cd 4562 struct mgmt_pending_cmd *cmd;
1183fdca 4563
0e05bba6
AG		 4564 BT_DBG("status %d", status);
4565
4566 hci_dev_lock(hdev);
4567
333ae95d 4568 cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
11e6e25d 4569 if (cmd) {
2922a94f 4570 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d 4571 mgmt_pending_remove(cmd);
0e05bba6
AG		 4572 }
4573
11e6e25d
MH		 4574 if (!status)
4575 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
0e05bba6 4576
0e05bba6
AG		 4577 hci_dev_unlock(hdev);
4578}
4579
bdb6d971 4580static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4581 u16 len)
14a53664 4582{
d930650b 4583 struct mgmt_cp_stop_discovery *mgmt_cp = data;
3b0602cd 4584 struct mgmt_pending_cmd *cmd;
0e05bba6 4585 struct hci_request req;
14a53664
JH		 4586 int err;
4587
bdb6d971 4588 BT_DBG("%s", hdev->name);
14a53664 4589
09fd0de5 4590 hci_dev_lock(hdev);
14a53664 4591
30dc78e1 4592 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 4593 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4594 MGMT_STATUS_REJECTED, &mgmt_cp->type,
4595 sizeof(mgmt_cp->type));
d930650b
JH		 4596 goto unlock;
4597 }
4598
4599 if (hdev->discovery.type != mgmt_cp->type) {
2a1afb5a
JH		 4600 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4601 MGMT_STATUS_INVALID_PARAMS,
4602 &mgmt_cp->type, sizeof(mgmt_cp->type));
30dc78e1 4603 goto unlock;
ff9ef578
JH		 4604 }
4605
2922a94f 4606 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
14a53664
JH		 4607 if (!cmd) {
4608 err = -ENOMEM;
30dc78e1
JH		 4609 goto unlock;
4610 }
4611
2922a94f
JH		 4612 cmd->cmd_complete = generic_cmd_complete;
4613
0e05bba6
AG		 4614 hci_req_init(&req, hdev);
4615
21a60d30 4616 hci_stop_discovery(&req);
e0d9727e 4617
21a60d30
JH		 4618 err = hci_req_run(&req, stop_discovery_complete);
4619 if (!err) {
4620 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 4621 goto unlock;
14a53664
JH		 4622 }
4623
21a60d30
JH		 4624 mgmt_pending_remove(cmd);
4625
4626 /* If no HCI commands were sent we're done */
4627 if (err == -ENODATA) {
2a1afb5a
JH		 4628 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
4629 &mgmt_cp->type, sizeof(mgmt_cp->type));
21a60d30
JH		 4630 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4631 }
14a53664 4632
30dc78e1 4633unlock:
09fd0de5 4634 hci_dev_unlock(hdev);
14a53664
JH		 4635 return err;
4636}
4637
bdb6d971 4638static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4639 u16 len)
561aafbc 4640{
650f726d 4641 struct mgmt_cp_confirm_name *cp = data;
561aafbc 4642 struct inquiry_entry *e;
561aafbc
JH		 4643 int err;
4644
bdb6d971 4645 BT_DBG("%s", hdev->name);
561aafbc 4646
561aafbc
JH		 4647 hci_dev_lock(hdev);
4648
30dc78e1 4649 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 4650 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4651 MGMT_STATUS_FAILED, &cp->addr,
4652 sizeof(cp->addr));
30dc78e1
JH		 4653 goto failed;
4654 }
4655
a198e7b1 4656 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 4657 if (!e) {
2a1afb5a
JH		 4658 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4659 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
4660 sizeof(cp->addr));
561aafbc
JH		 4661 goto failed;
4662 }
4663
4664 if (cp->name_known) {
4665 e->name_state = NAME_KNOWN;
4666 list_del(&e->list);
4667 } else {
4668 e->name_state = NAME_NEEDED;
a3d4e20a 4669 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 4670 }
4671
2a1afb5a
JH		 4672 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0,
4673 &cp->addr, sizeof(cp->addr));
561aafbc
JH		 4674
4675failed:
4676 hci_dev_unlock(hdev);
561aafbc
JH		 4677 return err;
4678}
4679
bdb6d971 4680static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4681 u16 len)
7fbec224 4682{
650f726d 4683 struct mgmt_cp_block_device *cp = data;
f0eeea8b 4684 u8 status;
7fbec224
AJ		 4685 int err;
4686
bdb6d971 4687 BT_DBG("%s", hdev->name);
7fbec224 4688
4ee71b20 4689 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4690 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
4691 MGMT_STATUS_INVALID_PARAMS,
4692 &cp->addr, sizeof(cp->addr));
4ee71b20 4693
09fd0de5 4694 hci_dev_lock(hdev);
5e762444 4695
dcc36c16
JH		 4696 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
4697 cp->addr.type);
2a8357f2 4698 if (err < 0) {
f0eeea8b 4699 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 4700 goto done;
4701 }
4702
4703 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4704 sk);
4705 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4706
2a8357f2 4707done:
2a1afb5a
JH		 4708 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
4709 &cp->addr, sizeof(cp->addr));
5e762444 4710
09fd0de5 4711 hci_dev_unlock(hdev);
7fbec224
AJ		 4712
4713 return err;
4714}
4715
bdb6d971 4716static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4717 u16 len)
7fbec224 4718{
650f726d 4719 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 4720 u8 status;
7fbec224
AJ		 4721 int err;
4722
bdb6d971 4723 BT_DBG("%s", hdev->name);
7fbec224 4724
4ee71b20 4725 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4726 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4727 MGMT_STATUS_INVALID_PARAMS,
4728 &cp->addr, sizeof(cp->addr));
4ee71b20 4729
09fd0de5 4730 hci_dev_lock(hdev);
5e762444 4731
dcc36c16
JH		 4732 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4733 cp->addr.type);
2a8357f2 4734 if (err < 0) {
f0eeea8b 4735 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 4736 goto done;
4737 }
4738
4739 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4740 sk);
4741 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4742
2a8357f2 4743done:
2a1afb5a
JH		 4744 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
4745 &cp->addr, sizeof(cp->addr));
5e762444 4746
09fd0de5 4747 hci_dev_unlock(hdev);
7fbec224
AJ		 4748
4749 return err;
4750}
4751
cdbaccca
MH		 4752static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4753 u16 len)
4754{
4755 struct mgmt_cp_set_device_id *cp = data;
890ea898 4756 struct hci_request req;
cdbaccca 4757 int err;
c72d4b8a 4758 __u16 source;
cdbaccca
MH		 4759
4760 BT_DBG("%s", hdev->name);
4761
c72d4b8a
SJ		 4762 source = __le16_to_cpu(cp->source);
4763
4764 if (source > 0x0002)
a69e8375
JH		 4765 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4766 MGMT_STATUS_INVALID_PARAMS);
c72d4b8a 4767
cdbaccca
MH		 4768 hci_dev_lock(hdev);
4769
c72d4b8a 4770 hdev->devid_source = source;
cdbaccca
MH		 4771 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4772 hdev->devid_product = __le16_to_cpu(cp->product);
4773 hdev->devid_version = __le16_to_cpu(cp->version);
4774
2a1afb5a
JH		 4775 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
4776 NULL, 0);
cdbaccca 4777
890ea898
JH		 4778 hci_req_init(&req, hdev);
4779 update_eir(&req);
4780 hci_req_run(&req, NULL);
cdbaccca
MH		 4781
4782 hci_dev_unlock(hdev);
4783
4784 return err;
4785}
4786
24b4f38f
AU		 4787static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
4788 u16 opcode)
4789{
4790 BT_DBG("status %d", status);
4791}
4792
1904a853
MH		 4793static void set_advertising_complete(struct hci_dev *hdev, u8 status,
4794 u16 opcode)
4375f103
JH		 4795{
4796 struct cmd_lookup match = { NULL, hdev };
24b4f38f 4797 struct hci_request req;
7816b820
FG		 4798 u8 instance;
4799 struct adv_info *adv_instance;
4800 int err;
4375f103 4801
3ad67582
JK		 4802 hci_dev_lock(hdev);
4803
4375f103
JH		 4804 if (status) {
4805 u8 mgmt_err = mgmt_status(status);
4806
4807 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4808 cmd_status_rsp, &mgmt_err);
3ad67582 4809 goto unlock;
4375f103
JH		 4810 }
4811
d7a5a11d 4812 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
a1536da2 4813 hci_dev_set_flag(hdev, HCI_ADVERTISING);
c93bd150 4814 else
a358dc11 4815 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
c93bd150 4816
4375f103
JH		 4817 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4818 &match);
4819
4820 new_settings(hdev, match.sk);
4821
4822 if (match.sk)
4823 sock_put(match.sk);
3ad67582 4824
24b4f38f 4825 /* If "Set Advertising" was just disabled and instance advertising was
7816b820 4826 * set up earlier, then re-enable multi-instance advertising.
24b4f38f
AU		 4827 */
4828 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7816b820
FG		 4829 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) ||
4830 list_empty(&hdev->adv_instances))
24b4f38f
AU		 4831 goto unlock;
4832
7816b820
FG		 4833 instance = hdev->cur_adv_instance;
4834 if (!instance) {
4835 adv_instance = list_first_entry_or_null(&hdev->adv_instances,
4836 struct adv_info, list);
4837 if (!adv_instance)
4838 goto unlock;
4839
4840 instance = adv_instance->instance;
4841 }
4842
24b4f38f
AU		 4843 hci_req_init(&req, hdev);
4844
7816b820
FG		 4845 err = schedule_adv_instance(&req, instance, true);
4846
4847 if (!err)
4848 err = hci_req_run(&req, enable_advertising_instance);
24b4f38f 4849
7816b820 4850 if (err)
24b4f38f
AU		 4851 BT_ERR("Failed to re-configure advertising");
4852
3ad67582
JK		 4853unlock:
4854 hci_dev_unlock(hdev);
4375f103
JH		 4855}
4856
21b5187f
MH		 4857static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4858 u16 len)
4375f103
JH		 4859{
4860 struct mgmt_mode *cp = data;
3b0602cd 4861 struct mgmt_pending_cmd *cmd;
4375f103 4862 struct hci_request req;
cc91cb04 4863 u8 val, status;
4375f103
JH		 4864 int err;
4865
4866 BT_DBG("request for %s", hdev->name);
4867
e6fe7986
JH		 4868 status = mgmt_le_support(hdev);
4869 if (status)
a69e8375
JH		 4870 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4871 status);
4375f103 4872
cc91cb04 4873 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 4874 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4875 MGMT_STATUS_INVALID_PARAMS);
4375f103
JH		 4876
4877 hci_dev_lock(hdev);
4878
4879 val = !!cp->val;
4375f103 4880
f74ca9b8
JH		 4881 /* The following conditions are ones which mean that we should
4882 * not do any HCI communication but directly send a mgmt
4883 * response to user space (after toggling the flag if
4884 * necessary).
4885 */
cc91cb04 4886 if (!hdev_is_powered(hdev) ||
d7a5a11d
MH		 4887 (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
4888 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) ||
e8bb6b97 4889 hci_conn_num(hdev, LE_LINK) > 0 ||
d7a5a11d 4890 (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
e8bb6b97 4891 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
cc91cb04 4892 bool changed;
4375f103 4893
cc91cb04 4894 if (cp->val) {
238be788 4895 changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING);
cc91cb04 4896 if (cp->val == 0x02)
a1536da2 4897 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4898 else
a358dc11 4899 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4900 } else {
a69d8927 4901 changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING);
a358dc11 4902 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
4375f103
JH		 4903 }
4904
4905 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4906 if (err < 0)
4907 goto unlock;
4908
4909 if (changed)
4910 err = new_settings(hdev, sk);
4911
4912 goto unlock;
4913 }
4914
333ae95d
JH		 4915 if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4916 pending_find(MGMT_OP_SET_LE, hdev)) {
a69e8375
JH		 4917 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4918 MGMT_STATUS_BUSY);
4375f103
JH		 4919 goto unlock;
4920 }
4921
4922 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4923 if (!cmd) {
4924 err = -ENOMEM;
4925 goto unlock;
4926 }
4927
4928 hci_req_init(&req, hdev);
4929
cc91cb04 4930 if (cp->val == 0x02)
a1536da2 4931 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4932 else
a358dc11 4933 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4934
7816b820
FG		 4935 cancel_adv_timeout(hdev);
4936
24b4f38f 4937 if (val) {
7816b820
FG		 4938 /* Switch to instance "0" for the Set Advertising setting.
4939 * We cannot use update_[adv|scan_rsp]_data() here as the
4940 * HCI_ADVERTISING flag is not yet set.
4941 */
efae002c
FG		 4942 update_inst_adv_data(&req, 0x00);
4943 update_inst_scan_rsp_data(&req, 0x00);
bba3aa55 4944 enable_advertising(&req);
24b4f38f 4945 } else {
bba3aa55 4946 disable_advertising(&req);
24b4f38f 4947 }
4375f103
JH		 4948
4949 err = hci_req_run(&req, set_advertising_complete);
4950 if (err < 0)
4951 mgmt_pending_remove(cmd);
4952
4953unlock:
4954 hci_dev_unlock(hdev);
4955 return err;
4956}
4957
d13eafce
MH		 4958static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4959 void *data, u16 len)
4960{
4961 struct mgmt_cp_set_static_address *cp = data;
4962 int err;
4963
4964 BT_DBG("%s", hdev->name);
4965
62af4443 4966 if (!lmp_le_capable(hdev))
a69e8375
JH		 4967 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4968 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 4969
4970 if (hdev_is_powered(hdev))
a69e8375
JH		 4971 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4972 MGMT_STATUS_REJECTED);
d13eafce
MH		 4973
4974 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4975 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
a69e8375
JH		 4976 return mgmt_cmd_status(sk, hdev->id,
4977 MGMT_OP_SET_STATIC_ADDRESS,
4978 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 4979
4980 /* Two most significant bits shall be set */
4981 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
a69e8375
JH		 4982 return mgmt_cmd_status(sk, hdev->id,
4983 MGMT_OP_SET_STATIC_ADDRESS,
4984 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 4985 }
4986
4987 hci_dev_lock(hdev);
4988
4989 bacpy(&hdev->static_addr, &cp->bdaddr);
4990
93690c22
MH		 4991 err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev);
4992 if (err < 0)
4993 goto unlock;
4994
4995 err = new_settings(hdev, sk);
d13eafce 4996
93690c22 4997unlock:
d13eafce 4998 hci_dev_unlock(hdev);
d13eafce
MH		 4999 return err;
5000}
5001
14b49b9a
MH		 5002static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
5003 void *data, u16 len)
5004{
5005 struct mgmt_cp_set_scan_params *cp = data;
5006 __u16 interval, window;
5007 int err;
5008
5009 BT_DBG("%s", hdev->name);
5010
5011 if (!lmp_le_capable(hdev))
a69e8375
JH		 5012 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5013 MGMT_STATUS_NOT_SUPPORTED);
14b49b9a
MH		 5014
5015 interval = __le16_to_cpu(cp->interval);
5016
5017 if (interval < 0x0004 || interval > 0x4000)
a69e8375
JH		 5018 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5019 MGMT_STATUS_INVALID_PARAMS);
14b49b9a
MH		 5020
5021 window = __le16_to_cpu(cp->window);
5022
5023 if (window < 0x0004 || window > 0x4000)
a69e8375
JH		 5024 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5025 MGMT_STATUS_INVALID_PARAMS);
14b49b9a 5026
899e1075 5027 if (window > interval)
a69e8375
JH		 5028 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5029 MGMT_STATUS_INVALID_PARAMS);
899e1075 5030
14b49b9a
MH		 5031 hci_dev_lock(hdev);
5032
5033 hdev->le_scan_interval = interval;
5034 hdev->le_scan_window = window;
5035
2a1afb5a
JH		 5036 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0,
5037 NULL, 0);
14b49b9a 5038
dd2ef8e2
AG		 5039 /* If background scan is running, restart it so new parameters are
5040 * loaded.
5041 */
d7a5a11d 5042 if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
dd2ef8e2
AG		 5043 hdev->discovery.state == DISCOVERY_STOPPED) {
5044 struct hci_request req;
5045
5046 hci_req_init(&req, hdev);
5047
5048 hci_req_add_le_scan_disable(&req);
5049 hci_req_add_le_passive_scan(&req);
5050
5051 hci_req_run(&req, NULL);
5052 }
5053
14b49b9a
MH		 5054 hci_dev_unlock(hdev);
5055
5056 return err;
5057}
5058
1904a853
MH		 5059static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
5060 u16 opcode)
33e38b3e 5061{
3b0602cd 5062 struct mgmt_pending_cmd *cmd;
33e38b3e
JH		 5063
5064 BT_DBG("status 0x%02x", status);
5065
5066 hci_dev_lock(hdev);
5067
333ae95d 5068 cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
33e38b3e
JH		 5069 if (!cmd)
5070 goto unlock;
5071
5072 if (status) {
a69e8375
JH		 5073 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5074 mgmt_status(status));
33e38b3e 5075 } else {
1a4d3c4b
JH		 5076 struct mgmt_mode *cp = cmd->param;
5077
5078 if (cp->val)
a1536da2 5079 hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 5080 else
a358dc11 5081 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 5082
33e38b3e
JH		 5083 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
5084 new_settings(hdev, cmd->sk);
5085 }
5086
5087 mgmt_pending_remove(cmd);
5088
5089unlock:
5090 hci_dev_unlock(hdev);
5091}
5092
bdb6d971 5093static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 5094 void *data, u16 len)
f6422ec6 5095{
650f726d 5096 struct mgmt_mode *cp = data;
3b0602cd 5097 struct mgmt_pending_cmd *cmd;
33e38b3e 5098 struct hci_request req;
f6422ec6
AJ		 5099 int err;
5100
bdb6d971 5101 BT_DBG("%s", hdev->name);
f6422ec6 5102
d7a5a11d 5103 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
56f87901 5104 hdev->hci_ver < BLUETOOTH_VER_1_2)
a69e8375
JH		 5105 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5106 MGMT_STATUS_NOT_SUPPORTED);
33c525c0 5107
a7e80f25 5108 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 5109 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5110 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 5111
f6422ec6
AJ		 5112 hci_dev_lock(hdev);
5113
333ae95d 5114 if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
a69e8375
JH		 5115 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5116 MGMT_STATUS_BUSY);
05cbf29f
JH		 5117 goto unlock;
5118 }
5119
d7a5a11d 5120 if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) {
1a4d3c4b
JH		 5121 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5122 hdev);
5123 goto unlock;
5124 }
5125
406ef2a6 5126 if (!hdev_is_powered(hdev)) {
ce05d603 5127 hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE);
406ef2a6
JH		 5128 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5129 hdev);
5130 new_settings(hdev, sk);
5131 goto unlock;
5132 }
5133
33e38b3e
JH		 5134 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
5135 data, len);
5136 if (!cmd) {
5137 err = -ENOMEM;
5138 goto unlock;
f6422ec6
AJ		 5139 }
5140
33e38b3e
JH		 5141 hci_req_init(&req, hdev);
5142
406d7804 5143 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 5144
5145 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 5146 if (err < 0) {
a69e8375
JH		 5147 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5148 MGMT_STATUS_FAILED);
33e38b3e 5149 mgmt_pending_remove(cmd);
f6422ec6
AJ		 5150 }
5151
33e38b3e 5152unlock:
f6422ec6 5153 hci_dev_unlock(hdev);
33e38b3e 5154
f6422ec6
AJ		 5155 return err;
5156}
5157
1904a853 5158static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
0663ca2a 5159{
3b0602cd 5160 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 5161
5162 BT_DBG("status 0x%02x", status);
5163
5164 hci_dev_lock(hdev);
5165
333ae95d 5166 cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
0663ca2a
JH		 5167 if (!cmd)
5168 goto unlock;
5169
5170 if (status) {
5171 u8 mgmt_err = mgmt_status(status);
5172
5173 /* We need to restore the flag if related HCI commands
5174 * failed.
5175 */
a358dc11 5176 hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a 5177
a69e8375 5178 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
0663ca2a
JH		 5179 } else {
5180 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
5181 new_settings(hdev, cmd->sk);
5182 }
5183
5184 mgmt_pending_remove(cmd);
5185
5186unlock:
5187 hci_dev_unlock(hdev);
5188}
5189
5190static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
5191{
5192 struct mgmt_mode *cp = data;
3b0602cd 5193 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 5194 struct hci_request req;
5195 int err;
5196
5197 BT_DBG("request for %s", hdev->name);
5198
5199 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
a69e8375
JH		 5200 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5201 MGMT_STATUS_NOT_SUPPORTED);
0663ca2a 5202
d7a5a11d 5203 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 5204 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5205 MGMT_STATUS_REJECTED);
0663ca2a
JH		 5206
5207 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 5208 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5209 MGMT_STATUS_INVALID_PARAMS);
0663ca2a
JH		 5210
5211 hci_dev_lock(hdev);
5212
d7a5a11d 5213 if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
0663ca2a
JH		 5214 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5215 goto unlock;
5216 }
5217
5218 if (!hdev_is_powered(hdev)) {
5219 if (!cp->val) {
a358dc11
MH		 5220 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
5221 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
5222 hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
5223 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
5224 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
0663ca2a
JH		 5225 }
5226
ce05d603 5227 hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 5228
5229 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5230 if (err < 0)
5231 goto unlock;
5232
5233 err = new_settings(hdev, sk);
5234 goto unlock;
5235 }
5236
5237 /* Reject disabling when powered on */
5238 if (!cp->val) {
a69e8375
JH		 5239 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5240 MGMT_STATUS_REJECTED);
0663ca2a 5241 goto unlock;
111e4bcc
MH		 5242 } else {
5243 /* When configuring a dual-mode controller to operate
5244 * with LE only and using a static address, then switching
5245 * BR/EDR back on is not allowed.
5246 *
5247 * Dual-mode controllers shall operate with the public
5248 * address as its identity address for BR/EDR and LE. So
5249 * reject the attempt to create an invalid configuration.
3a5486e1
MH		 5250 *
5251 * The same restrictions applies when secure connections
5252 * has been enabled. For BR/EDR this is a controller feature
5253 * while for LE it is a host stack feature. This means that
5254 * switching BR/EDR back on when secure connections has been
5255 * enabled is not a supported transaction.
111e4bcc 5256 */
d7a5a11d 5257 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
3a5486e1 5258 (bacmp(&hdev->static_addr, BDADDR_ANY) ||
d7a5a11d 5259 hci_dev_test_flag(hdev, HCI_SC_ENABLED))) {
a69e8375
JH		 5260 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5261 MGMT_STATUS_REJECTED);
111e4bcc
MH		 5262 goto unlock;
5263 }
0663ca2a
JH		 5264 }
5265
333ae95d 5266 if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
a69e8375
JH		 5267 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5268 MGMT_STATUS_BUSY);
0663ca2a
JH		 5269 goto unlock;
5270 }
5271
5272 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
5273 if (!cmd) {
5274 err = -ENOMEM;
5275 goto unlock;
5276 }
5277
5947f4bc 5278 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 5279 * generates the correct flags.
5280 */
a1536da2 5281 hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 5282
5283 hci_req_init(&req, hdev);
aa8af46e 5284
432df05e 5285 write_fast_connectable(&req, false);
1d2dc5b7 5286 __hci_update_page_scan(&req);
aa8af46e 5287
f14d8f64
MH		 5288 /* Since only the advertising data flags will change, there
5289 * is no need to update the scan response data.
5290 */
5947f4bc 5291 update_adv_data(&req);
aa8af46e 5292
0663ca2a
JH		 5293 err = hci_req_run(&req, set_bredr_complete);
5294 if (err < 0)
5295 mgmt_pending_remove(cmd);
5296
5297unlock:
5298 hci_dev_unlock(hdev);
5299 return err;
5300}
5301
a1443f5a
JH		 5302static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5303{
3b0602cd 5304 struct mgmt_pending_cmd *cmd;
a1443f5a
JH		 5305 struct mgmt_mode *cp;
5306
5307 BT_DBG("%s status %u", hdev->name, status);
5308
5309 hci_dev_lock(hdev);
5310
333ae95d 5311 cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev);
a1443f5a
JH		 5312 if (!cmd)
5313 goto unlock;
5314
5315 if (status) {
a69e8375
JH		 5316 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
5317 mgmt_status(status));
a1443f5a
JH		 5318 goto remove;
5319 }
5320
5321 cp = cmd->param;
5322
5323 switch (cp->val) {
5324 case 0x00:
a358dc11
MH		 5325 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
5326 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5327 break;
5328 case 0x01:
a1536da2 5329 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
a358dc11 5330 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5331 break;
5332 case 0x02:
a1536da2
MH		 5333 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
5334 hci_dev_set_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5335 break;
5336 }
5337
5338 send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev);
5339 new_settings(hdev, cmd->sk);
5340
5341remove:
5342 mgmt_pending_remove(cmd);
5343unlock:
5344 hci_dev_unlock(hdev);
5345}
5346
eac83dc6
MH		 5347static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
5348 void *data, u16 len)
5349{
5350 struct mgmt_mode *cp = data;
3b0602cd 5351 struct mgmt_pending_cmd *cmd;
a1443f5a 5352 struct hci_request req;
a3209694 5353 u8 val;
eac83dc6
MH		 5354 int err;
5355
5356 BT_DBG("request for %s", hdev->name);
5357
05b3c3e7 5358 if (!lmp_sc_capable(hdev) &&
d7a5a11d 5359 !hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 5360 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5361 MGMT_STATUS_NOT_SUPPORTED);
eac83dc6 5362
d7a5a11d 5363 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
59200286 5364 lmp_sc_capable(hdev) &&
d7a5a11d 5365 !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 5366 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5367 MGMT_STATUS_REJECTED);
ed93ec69 5368
0ab04a9c 5369 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375 5370 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
eac83dc6
MH		 5371 MGMT_STATUS_INVALID_PARAMS);
5372
5373 hci_dev_lock(hdev);
5374
05b3c3e7 5375 if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) ||
d7a5a11d 5376 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
eac83dc6
MH		 5377 bool changed;
5378
0ab04a9c 5379 if (cp->val) {
238be788
MH		 5380 changed = !hci_dev_test_and_set_flag(hdev,
5381 HCI_SC_ENABLED);
0ab04a9c 5382 if (cp->val == 0x02)
a1536da2 5383 hci_dev_set_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5384 else
a358dc11 5385 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5386 } else {
a69d8927
MH		 5387 changed = hci_dev_test_and_clear_flag(hdev,
5388 HCI_SC_ENABLED);
a358dc11 5389 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5390 }
eac83dc6
MH		 5391
5392 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5393 if (err < 0)
5394 goto failed;
5395
5396 if (changed)
5397 err = new_settings(hdev, sk);
5398
5399 goto failed;
5400 }
5401
333ae95d 5402 if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
a69e8375
JH		 5403 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5404 MGMT_STATUS_BUSY);
eac83dc6
MH		 5405 goto failed;
5406 }
5407
0ab04a9c
MH		 5408 val = !!cp->val;
5409
d7a5a11d
MH		 5410 if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
5411 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
eac83dc6
MH		 5412 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5413 goto failed;
5414 }
5415
5416 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
5417 if (!cmd) {
5418 err = -ENOMEM;
5419 goto failed;
5420 }
5421
a1443f5a
JH		 5422 hci_req_init(&req, hdev);
5423 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
5424 err = hci_req_run(&req, sc_enable_complete);
eac83dc6
MH		 5425 if (err < 0) {
5426 mgmt_pending_remove(cmd);
5427 goto failed;
5428 }
5429
5430failed:
5431 hci_dev_unlock(hdev);
5432 return err;
5433}
5434
4e39ac81
MH		 5435static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
5436 void *data, u16 len)
5437{
5438 struct mgmt_mode *cp = data;
b9710979 5439 bool changed, use_changed;
4e39ac81
MH		 5440 int err;
5441
5442 BT_DBG("request for %s", hdev->name);
5443
b9710979 5444 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 5445 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
5446 MGMT_STATUS_INVALID_PARAMS);
4e39ac81
MH		 5447
5448 hci_dev_lock(hdev);
5449
5450 if (cp->val)
238be788 5451 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
4e39ac81 5452 else
a69d8927
MH		 5453 changed = hci_dev_test_and_clear_flag(hdev,
5454 HCI_KEEP_DEBUG_KEYS);
4e39ac81 5455
b9710979 5456 if (cp->val == 0x02)
238be788
MH		 5457 use_changed = !hci_dev_test_and_set_flag(hdev,
5458 HCI_USE_DEBUG_KEYS);
b9710979 5459 else
a69d8927
MH		 5460 use_changed = hci_dev_test_and_clear_flag(hdev,
5461 HCI_USE_DEBUG_KEYS);
b9710979
JH		 5462
5463 if (hdev_is_powered(hdev) && use_changed &&
d7a5a11d 5464 hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
b9710979
JH		 5465 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
5466 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
5467 sizeof(mode), &mode);
5468 }
5469
4e39ac81
MH		 5470 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
5471 if (err < 0)
5472 goto unlock;
5473
5474 if (changed)
5475 err = new_settings(hdev, sk);
5476
5477unlock:
5478 hci_dev_unlock(hdev);
5479 return err;
5480}
5481
62b04cd1
JH		 5482static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5483 u16 len)
5484{
5485 struct mgmt_cp_set_privacy *cp = cp_data;
5486 bool changed;
5487 int err;
5488
5489 BT_DBG("request for %s", hdev->name);
5490
5491 if (!lmp_le_capable(hdev))
a69e8375
JH		 5492 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5493 MGMT_STATUS_NOT_SUPPORTED);
62b04cd1
JH		 5494
5495 if (cp->privacy != 0x00 && cp->privacy != 0x01)
a69e8375
JH		 5496 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5497 MGMT_STATUS_INVALID_PARAMS);
62b04cd1
JH		 5498
5499 if (hdev_is_powered(hdev))
a69e8375
JH		 5500 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5501 MGMT_STATUS_REJECTED);
62b04cd1
JH		 5502
5503 hci_dev_lock(hdev);
5504
c21c0ea0
JH		 5505 /* If user space supports this command it is also expected to
5506 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
5507 */
a1536da2 5508 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
c21c0ea0 5509
62b04cd1 5510 if (cp->privacy) {
238be788 5511 changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY);
62b04cd1 5512 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
a1536da2 5513 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
62b04cd1 5514 } else {
a69d8927 5515 changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY);
62b04cd1 5516 memset(hdev->irk, 0, sizeof(hdev->irk));
a358dc11 5517 hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED);
62b04cd1
JH		 5518 }
5519
5520 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
5521 if (err < 0)
5522 goto unlock;
5523
5524 if (changed)
5525 err = new_settings(hdev, sk);
5526
5527unlock:
5528 hci_dev_unlock(hdev);
5529 return err;
5530}
5531
41edf160
JH		 5532static bool irk_is_valid(struct mgmt_irk_info *irk)
5533{
5534 switch (irk->addr.type) {
5535 case BDADDR_LE_PUBLIC:
5536 return true;
5537
5538 case BDADDR_LE_RANDOM:
5539 /* Two most significant bits shall be set */
5540 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5541 return false;
5542 return true;
5543 }
5544
5545 return false;
5546}
5547
5548static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5549 u16 len)
5550{
5551 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 5552 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
5553 sizeof(struct mgmt_irk_info));
41edf160
JH		 5554 u16 irk_count, expected_len;
5555 int i, err;
5556
5557 BT_DBG("request for %s", hdev->name);
5558
5559 if (!lmp_le_capable(hdev))
a69e8375
JH		 5560 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5561 MGMT_STATUS_NOT_SUPPORTED);
41edf160
JH		 5562
5563 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 5564 if (irk_count > max_irk_count) {
5565 BT_ERR("load_irks: too big irk_count value %u", irk_count);
a69e8375
JH		 5566 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5567 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5568 }
41edf160
JH		 5569
5570 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
5571 if (expected_len != len) {
5572 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 5573 expected_len, len);
a69e8375
JH		 5574 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5575 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 5576 }
5577
5578 BT_DBG("%s irk_count %u", hdev->name, irk_count);
5579
5580 for (i = 0; i < irk_count; i++) {
5581 struct mgmt_irk_info *key = &cp->irks[i];
5582
5583 if (!irk_is_valid(key))
a69e8375
JH		 5584 return mgmt_cmd_status(sk, hdev->id,
5585 MGMT_OP_LOAD_IRKS,
5586 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 5587 }
5588
5589 hci_dev_lock(hdev);
5590
5591 hci_smp_irks_clear(hdev);
5592
5593 for (i = 0; i < irk_count; i++) {
5594 struct mgmt_irk_info *irk = &cp->irks[i];
41edf160 5595
85813a7e
JH		 5596 hci_add_irk(hdev, &irk->addr.bdaddr,
5597 le_addr_type(irk->addr.type), irk->val,
41edf160
JH		 5598 BDADDR_ANY);
5599 }
5600
a1536da2 5601 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
41edf160 5602
2a1afb5a 5603 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
41edf160
JH		 5604
5605 hci_dev_unlock(hdev);
5606
5607 return err;
5608}
5609
3f706b72
JH		 5610static bool ltk_is_valid(struct mgmt_ltk_info *key)
5611{
5612 if (key->master != 0x00 && key->master != 0x01)
5613 return false;
490cb0b3
MH		 5614
5615 switch (key->addr.type) {
5616 case BDADDR_LE_PUBLIC:
5617 return true;
5618
5619 case BDADDR_LE_RANDOM:
5620 /* Two most significant bits shall be set */
5621 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5622 return false;
5623 return true;
5624 }
5625
5626 return false;
3f706b72
JH		 5627}
5628
bdb6d971 5629static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 5630 void *cp_data, u16 len)
346af67b 5631{
346af67b 5632 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 5633 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
5634 sizeof(struct mgmt_ltk_info));
346af67b 5635 u16 key_count, expected_len;
715a5bf2 5636 int i, err;
346af67b 5637
cf99ba13
MH		 5638 BT_DBG("request for %s", hdev->name);
5639
5640 if (!lmp_le_capable(hdev))
a69e8375
JH		 5641 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5642 MGMT_STATUS_NOT_SUPPORTED);
cf99ba13 5643
1f350c87 5644 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 5645 if (key_count > max_key_count) {
5646 BT_ERR("load_ltks: too big key_count value %u", key_count);
a69e8375
JH		 5647 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5648 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5649 }
346af67b
VCG		 5650
5651 expected_len = sizeof(*cp) + key_count *
5652 sizeof(struct mgmt_ltk_info);
5653 if (expected_len != len) {
5654 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 5655 expected_len, len);
a69e8375
JH		 5656 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5657 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 5658 }
5659
bdb6d971 5660 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 5661
54ad6d8a
JH		 5662 for (i = 0; i < key_count; i++) {
5663 struct mgmt_ltk_info *key = &cp->keys[i];
5664
3f706b72 5665 if (!ltk_is_valid(key))
a69e8375
JH		 5666 return mgmt_cmd_status(sk, hdev->id,
5667 MGMT_OP_LOAD_LONG_TERM_KEYS,
5668 MGMT_STATUS_INVALID_PARAMS);
54ad6d8a
JH		 5669 }
5670
346af67b
VCG		 5671 hci_dev_lock(hdev);
5672
5673 hci_smp_ltks_clear(hdev);
5674
5675 for (i = 0; i < key_count; i++) {
5676 struct mgmt_ltk_info *key = &cp->keys[i];
85813a7e 5677 u8 type, authenticated;
346af67b 5678
61b43357
JH		 5679 switch (key->type) {
5680 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 5681 authenticated = 0x00;
23fb8de3 5682 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
61b43357
JH		 5683 break;
5684 case MGMT_LTK_AUTHENTICATED:
d7b25450 5685 authenticated = 0x01;
23fb8de3
JH		 5686 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
5687 break;
5688 case MGMT_LTK_P256_UNAUTH:
5689 authenticated = 0x00;
5690 type = SMP_LTK_P256;
61b43357 5691 break;
23fb8de3
JH		 5692 case MGMT_LTK_P256_AUTH:
5693 authenticated = 0x01;
5694 type = SMP_LTK_P256;
61b43357 5695 break;
23fb8de3
JH		 5696 case MGMT_LTK_P256_DEBUG:
5697 authenticated = 0x00;
5698 type = SMP_LTK_P256_DEBUG;
61b43357
JH		 5699 default:
5700 continue;
5701 }
d7b25450 5702
85813a7e
JH		 5703 hci_add_ltk(hdev, &key->addr.bdaddr,
5704 le_addr_type(key->addr.type), type, authenticated,
5705 key->val, key->enc_size, key->ediv, key->rand);
346af67b
VCG		 5706 }
5707
2a1afb5a 5708 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
715a5bf2
JH		 5709 NULL, 0);
5710
346af67b 5711 hci_dev_unlock(hdev);
346af67b 5712
715a5bf2 5713 return err;
346af67b
VCG		 5714}
5715
3b0602cd 5716static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
dd983808 5717{
dd983808 5718 struct hci_conn *conn = cmd->user_data;
9981bdb0 5719 struct mgmt_rp_get_conn_info rp;
9df74653 5720 int err;
dd983808 5721
9981bdb0 5722 memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
dd983808 5723
9981bdb0 5724 if (status == MGMT_STATUS_SUCCESS) {
dd983808 5725 rp.rssi = conn->rssi;
9981bdb0
JH		 5726 rp.tx_power = conn->tx_power;
5727 rp.max_tx_power = conn->max_tx_power;
5728 } else {
5729 rp.rssi = HCI_RSSI_INVALID;
5730 rp.tx_power = HCI_TX_POWER_INVALID;
5731 rp.max_tx_power = HCI_TX_POWER_INVALID;
dd983808
AK		 5732 }
5733
2a1afb5a
JH		 5734 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
5735 status, &rp, sizeof(rp));
dd983808
AK		 5736
5737 hci_conn_drop(conn);
f8aaf9b6 5738 hci_conn_put(conn);
9df74653
JH		 5739
5740 return err;
dd983808
AK		 5741}
5742
1904a853
MH		 5743static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
5744 u16 opcode)
dd983808
AK		 5745{
5746 struct hci_cp_read_rssi *cp;
3b0602cd 5747 struct mgmt_pending_cmd *cmd;
dd983808 5748 struct hci_conn *conn;
dd983808 5749 u16 handle;
9981bdb0 5750 u8 status;
dd983808 5751
9981bdb0 5752 BT_DBG("status 0x%02x", hci_status);
dd983808
AK		 5753
5754 hci_dev_lock(hdev);
5755
dd983808
AK		 5756 /* Commands sent in request are either Read RSSI or Read Transmit Power
5757 * Level so we check which one was last sent to retrieve connection
5758 * handle. Both commands have handle as first parameter so it's safe to
5759 * cast data on the same command struct.
5760 *
5761 * First command sent is always Read RSSI and we fail only if it fails.
5762 * In other case we simply override error to indicate success as we
5763 * already remembered if TX power value is actually valid.
5764 */
5765 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
5766 if (!cp) {
5767 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
9981bdb0
JH		 5768 status = MGMT_STATUS_SUCCESS;
5769 } else {
5770 status = mgmt_status(hci_status);
dd983808
AK		 5771 }
5772
5773 if (!cp) {
9981bdb0 5774 BT_ERR("invalid sent_cmd in conn_info response");
dd983808
AK		 5775 goto unlock;
5776 }
5777
5778 handle = __le16_to_cpu(cp->handle);
5779 conn = hci_conn_hash_lookup_handle(hdev, handle);
5780 if (!conn) {
9981bdb0 5781 BT_ERR("unknown handle (%d) in conn_info response", handle);
dd983808
AK		 5782 goto unlock;
5783 }
5784
333ae95d 5785 cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn);
9981bdb0
JH		 5786 if (!cmd)
5787 goto unlock;
dd983808 5788
9981bdb0
JH		 5789 cmd->cmd_complete(cmd, status);
5790 mgmt_pending_remove(cmd);
dd983808
AK		 5791
5792unlock:
5793 hci_dev_unlock(hdev);
5794}
5795
5796static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
5797 u16 len)
5798{
5799 struct mgmt_cp_get_conn_info *cp = data;
5800 struct mgmt_rp_get_conn_info rp;
5801 struct hci_conn *conn;
5802 unsigned long conn_info_age;
5803 int err = 0;
5804
5805 BT_DBG("%s", hdev->name);
5806
5807 memset(&rp, 0, sizeof(rp));
5808 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5809 rp.addr.type = cp->addr.type;
5810
5811 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 5812 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5813 MGMT_STATUS_INVALID_PARAMS,
5814 &rp, sizeof(rp));
dd983808
AK		 5815
5816 hci_dev_lock(hdev);
5817
5818 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 5819 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5820 MGMT_STATUS_NOT_POWERED, &rp,
5821 sizeof(rp));
dd983808
AK		 5822 goto unlock;
5823 }
5824
5825 if (cp->addr.type == BDADDR_BREDR)
5826 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5827 &cp->addr.bdaddr);
5828 else
5829 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5830
5831 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 5832 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5833 MGMT_STATUS_NOT_CONNECTED, &rp,
5834 sizeof(rp));
dd983808
AK		 5835 goto unlock;
5836 }
5837
333ae95d 5838 if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) {
2a1afb5a
JH		 5839 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5840 MGMT_STATUS_BUSY, &rp, sizeof(rp));
9981bdb0
JH		 5841 goto unlock;
5842 }
5843
dd983808
AK		 5844 /* To avoid client trying to guess when to poll again for information we
5845 * calculate conn info age as random value between min/max set in hdev.
5846 */
5847 conn_info_age = hdev->conn_info_min_age +
5848 prandom_u32_max(hdev->conn_info_max_age -
5849 hdev->conn_info_min_age);
5850
5851 /* Query controller to refresh cached values if they are too old or were
5852 * never read.
5853 */
f4e2dd53
AK		 5854 if (time_after(jiffies, conn->conn_info_timestamp +
5855 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 5856 !conn->conn_info_timestamp) {
5857 struct hci_request req;
5858 struct hci_cp_read_tx_power req_txp_cp;
5859 struct hci_cp_read_rssi req_rssi_cp;
3b0602cd 5860 struct mgmt_pending_cmd *cmd;
dd983808
AK		 5861
5862 hci_req_init(&req, hdev);
5863 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5864 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5865 &req_rssi_cp);
5866
f7faab0c
AK		 5867 /* For LE links TX power does not change thus we don't need to
5868 * query for it once value is known.
5869 */
5870 if (!bdaddr_type_is_le(cp->addr.type) ||
5871 conn->tx_power == HCI_TX_POWER_INVALID) {
5872 req_txp_cp.handle = cpu_to_le16(conn->handle);
5873 req_txp_cp.type = 0x00;
5874 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5875 sizeof(req_txp_cp), &req_txp_cp);
5876 }
dd983808 5877
eed5daf3
AK		 5878 /* Max TX power needs to be read only once per connection */
5879 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5880 req_txp_cp.handle = cpu_to_le16(conn->handle);
5881 req_txp_cp.type = 0x01;
5882 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5883 sizeof(req_txp_cp), &req_txp_cp);
5884 }
5885
dd983808
AK		 5886 err = hci_req_run(&req, conn_info_refresh_complete);
5887 if (err < 0)
5888 goto unlock;
5889
5890 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5891 data, len);
5892 if (!cmd) {
5893 err = -ENOMEM;
5894 goto unlock;
5895 }
5896
5897 hci_conn_hold(conn);
f8aaf9b6 5898 cmd->user_data = hci_conn_get(conn);
9981bdb0 5899 cmd->cmd_complete = conn_info_cmd_complete;
dd983808
AK		 5900
5901 conn->conn_info_timestamp = jiffies;
5902 } else {
5903 /* Cache is valid, just reply with values cached in hci_conn */
5904 rp.rssi = conn->rssi;
5905 rp.tx_power = conn->tx_power;
eed5daf3 5906 rp.max_tx_power = conn->max_tx_power;
dd983808 5907
2a1afb5a
JH		 5908 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5909 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
dd983808
AK		 5910 }
5911
5912unlock:
5913 hci_dev_unlock(hdev);
5914 return err;
5915}
5916
3b0602cd 5917static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
95868426 5918{
69487371 5919 struct hci_conn *conn = cmd->user_data;
95868426 5920 struct mgmt_rp_get_clock_info rp;
69487371 5921 struct hci_dev *hdev;
9df74653 5922 int err;
69487371
JH		 5923
5924 memset(&rp, 0, sizeof(rp));
5925 memcpy(&rp.addr, &cmd->param, sizeof(rp.addr));
5926
5927 if (status)
5928 goto complete;
5929
5930 hdev = hci_dev_get(cmd->index);
5931 if (hdev) {
5932 rp.local_clock = cpu_to_le32(hdev->clock);
5933 hci_dev_put(hdev);
5934 }
5935
5936 if (conn) {
5937 rp.piconet_clock = cpu_to_le32(conn->clock);
5938 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5939 }
5940
5941complete:
2a1afb5a
JH		 5942 err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
5943 sizeof(rp));
69487371
JH		 5944
5945 if (conn) {
5946 hci_conn_drop(conn);
5947 hci_conn_put(conn);
5948 }
9df74653
JH		 5949
5950 return err;
69487371
JH		 5951}
5952
1904a853 5953static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
69487371 5954{
95868426 5955 struct hci_cp_read_clock *hci_cp;
3b0602cd 5956 struct mgmt_pending_cmd *cmd;
95868426
JH		 5957 struct hci_conn *conn;
5958
5959 BT_DBG("%s status %u", hdev->name, status);
5960
5961 hci_dev_lock(hdev);
5962
5963 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5964 if (!hci_cp)
5965 goto unlock;
5966
5967 if (hci_cp->which) {
5968 u16 handle = __le16_to_cpu(hci_cp->handle);
5969 conn = hci_conn_hash_lookup_handle(hdev, handle);
5970 } else {
5971 conn = NULL;
5972 }
5973
333ae95d 5974 cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
95868426
JH		 5975 if (!cmd)
5976 goto unlock;
5977
69487371 5978 cmd->cmd_complete(cmd, mgmt_status(status));
95868426 5979 mgmt_pending_remove(cmd);
95868426
JH		 5980
5981unlock:
5982 hci_dev_unlock(hdev);
5983}
5984
5985static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
5986 u16 len)
5987{
5988 struct mgmt_cp_get_clock_info *cp = data;
5989 struct mgmt_rp_get_clock_info rp;
5990 struct hci_cp_read_clock hci_cp;
3b0602cd 5991 struct mgmt_pending_cmd *cmd;
95868426
JH		 5992 struct hci_request req;
5993 struct hci_conn *conn;
5994 int err;
5995
5996 BT_DBG("%s", hdev->name);
5997
5998 memset(&rp, 0, sizeof(rp));
5999 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6000 rp.addr.type = cp->addr.type;
6001
6002 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 6003 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6004 MGMT_STATUS_INVALID_PARAMS,
6005 &rp, sizeof(rp));
95868426
JH		 6006
6007 hci_dev_lock(hdev);
6008
6009 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 6010 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6011 MGMT_STATUS_NOT_POWERED, &rp,
6012 sizeof(rp));
95868426
JH		 6013 goto unlock;
6014 }
6015
6016 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
6017 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
6018 &cp->addr.bdaddr);
6019 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 6020 err = mgmt_cmd_complete(sk, hdev->id,
6021 MGMT_OP_GET_CLOCK_INFO,
6022 MGMT_STATUS_NOT_CONNECTED,
6023 &rp, sizeof(rp));
95868426
JH		 6024 goto unlock;
6025 }
6026 } else {
6027 conn = NULL;
6028 }
6029
6030 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
6031 if (!cmd) {
6032 err = -ENOMEM;
6033 goto unlock;
6034 }
6035
69487371
JH		 6036 cmd->cmd_complete = clock_info_cmd_complete;
6037
95868426
JH		 6038 hci_req_init(&req, hdev);
6039
6040 memset(&hci_cp, 0, sizeof(hci_cp));
6041 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6042
6043 if (conn) {
6044 hci_conn_hold(conn);
f8aaf9b6 6045 cmd->user_data = hci_conn_get(conn);
95868426
JH		 6046
6047 hci_cp.handle = cpu_to_le16(conn->handle);
6048 hci_cp.which = 0x01; /* Piconet clock */
6049 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6050 }
6051
6052 err = hci_req_run(&req, get_clock_info_complete);
6053 if (err < 0)
6054 mgmt_pending_remove(cmd);
6055
6056unlock:
6057 hci_dev_unlock(hdev);
6058 return err;
6059}
6060
5a154e6f
JH		 6061static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
6062{
6063 struct hci_conn *conn;
6064
6065 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
6066 if (!conn)
6067 return false;
6068
6069 if (conn->dst_type != type)
6070 return false;
6071
6072 if (conn->state != BT_CONNECTED)
6073 return false;
6074
6075 return true;
6076}
6077
6078/* This function requires the caller holds hdev->lock */
51d7a94d 6079static int hci_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr,
5a154e6f
JH		 6080 u8 addr_type, u8 auto_connect)
6081{
5a154e6f
JH		 6082 struct hci_conn_params *params;
6083
6084 params = hci_conn_params_add(hdev, addr, addr_type);
6085 if (!params)
6086 return -EIO;
6087
6088 if (params->auto_connect == auto_connect)
6089 return 0;
6090
6091 list_del_init(&params->action);
6092
6093 switch (auto_connect) {
6094 case HCI_AUTO_CONN_DISABLED:
6095 case HCI_AUTO_CONN_LINK_LOSS:
28a667c9
JP		 6096 /* If auto connect is being disabled when we're trying to
6097 * connect to device, keep connecting.
6098 */
6099 if (params->explicit_connect)
6100 list_add(&params->action, &hdev->pend_le_conns);
5a154e6f
JH		 6101 break;
6102 case HCI_AUTO_CONN_REPORT:
49c50922
JH		 6103 if (params->explicit_connect)
6104 list_add(&params->action, &hdev->pend_le_conns);
6105 else
6106 list_add(&params->action, &hdev->pend_le_reports);
5a154e6f
JH		 6107 break;
6108 case HCI_AUTO_CONN_DIRECT:
6109 case HCI_AUTO_CONN_ALWAYS:
51d7a94d 6110 if (!is_connected(hdev, addr, addr_type))
5a154e6f 6111 list_add(&params->action, &hdev->pend_le_conns);
5a154e6f
JH		 6112 break;
6113 }
6114
6115 params->auto_connect = auto_connect;
6116
6117 BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
6118 auto_connect);
6119
6120 return 0;
6121}
6122
8afef092
MH		 6123static void device_added(struct sock *sk, struct hci_dev *hdev,
6124 bdaddr_t *bdaddr, u8 type, u8 action)
6125{
6126 struct mgmt_ev_device_added ev;
6127
6128 bacpy(&ev.addr.bdaddr, bdaddr);
6129 ev.addr.type = type;
6130 ev.action = action;
6131
6132 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
6133}
6134
2faade53
MH		 6135static int add_device(struct sock *sk, struct hci_dev *hdev,
6136 void *data, u16 len)
6137{
6138 struct mgmt_cp_add_device *cp = data;
3b0602cd 6139 struct mgmt_pending_cmd *cmd;
5a154e6f 6140 struct hci_request req;
2faade53
MH		 6141 u8 auto_conn, addr_type;
6142 int err;
6143
6144 BT_DBG("%s", hdev->name);
6145
6659358e 6146 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53 6147 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
2a1afb5a
JH		 6148 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6149 MGMT_STATUS_INVALID_PARAMS,
6150 &cp->addr, sizeof(cp->addr));
2faade53 6151
4b9e7e75 6152 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2a1afb5a
JH		 6153 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6154 MGMT_STATUS_INVALID_PARAMS,
6155 &cp->addr, sizeof(cp->addr));
2faade53 6156
5a154e6f
JH		 6157 hci_req_init(&req, hdev);
6158
2faade53
MH		 6159 hci_dev_lock(hdev);
6160
5a154e6f
JH		 6161 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_DEVICE, hdev, data, len);
6162 if (!cmd) {
6163 err = -ENOMEM;
6164 goto unlock;
6165 }
6166
6167 cmd->cmd_complete = addr_cmd_complete;
6168
6659358e 6169 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 6170 /* Only incoming connections action is supported for now */
6659358e 6171 if (cp->action != 0x01) {
51d7a94d
JH		 6172 err = mgmt_cmd_complete(sk, hdev->id,
6173 MGMT_OP_ADD_DEVICE,
6174 MGMT_STATUS_INVALID_PARAMS,
6175 &cp->addr, sizeof(cp->addr));
6659358e
JH		 6176 goto unlock;
6177 }
6178
6179 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
6180 cp->addr.type);
6181 if (err)
6182 goto unlock;
a397407f 6183
5a154e6f 6184 __hci_update_page_scan(&req);
a397407f 6185
6659358e
JH		 6186 goto added;
6187 }
6188
85813a7e 6189 addr_type = le_addr_type(cp->addr.type);
2faade53 6190
4b9e7e75 6191 if (cp->action == 0x02)
2faade53 6192 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 6193 else if (cp->action == 0x01)
6194 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 6195 else
a3451d27 6196 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 6197
9a0a8a8e
JP		 6198 /* Kernel internally uses conn_params with resolvable private
6199 * address, but Add Device allows only identity addresses.
6200 * Make sure it is enforced before calling
6201 * hci_conn_params_lookup.
6202 */
6203 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
51d7a94d
JH		 6204 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6205 MGMT_STATUS_INVALID_PARAMS,
6206 &cp->addr, sizeof(cp->addr));
9a0a8a8e
JP		 6207 goto unlock;
6208 }
6209
bf5b3c8b
MH		 6210 /* If the connection parameters don't exist for this device,
6211 * they will be created and configured with defaults.
6212 */
51d7a94d 6213 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type,
d06b50ce 6214 auto_conn) < 0) {
51d7a94d
JH		 6215 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6216 MGMT_STATUS_FAILED, &cp->addr,
6217 sizeof(cp->addr));
2faade53
MH		 6218 goto unlock;
6219 }
6220
51d7a94d
JH		 6221 hci_update_background_scan(hdev);
6222
6659358e 6223added:
8afef092
MH		 6224 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
6225
51d7a94d
JH		 6226 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6227 MGMT_STATUS_SUCCESS, &cp->addr,
6228 sizeof(cp->addr));
2faade53
MH		 6229
6230unlock:
6231 hci_dev_unlock(hdev);
6232 return err;
6233}
6234
8afef092
MH		 6235static void device_removed(struct sock *sk, struct hci_dev *hdev,
6236 bdaddr_t *bdaddr, u8 type)
6237{
6238 struct mgmt_ev_device_removed ev;
6239
6240 bacpy(&ev.addr.bdaddr, bdaddr);
6241 ev.addr.type = type;
6242
6243 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
6244}
6245
2faade53
MH		 6246static int remove_device(struct sock *sk, struct hci_dev *hdev,
6247 void *data, u16 len)
6248{
6249 struct mgmt_cp_remove_device *cp = data;
6250 int err;
6251
6252 BT_DBG("%s", hdev->name);
6253
6254 hci_dev_lock(hdev);
6255
6256 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 6257 struct hci_conn_params *params;
2faade53
MH		 6258 u8 addr_type;
6259
6659358e 6260 if (!bdaddr_type_is_valid(cp->addr.type)) {
51d7a94d
JH		 6261 err = mgmt_cmd_complete(sk, hdev->id,
6262 MGMT_OP_REMOVE_DEVICE,
6263 MGMT_STATUS_INVALID_PARAMS,
6264 &cp->addr, sizeof(cp->addr));
2faade53
MH		 6265 goto unlock;
6266 }
6267
6659358e
JH		 6268 if (cp->addr.type == BDADDR_BREDR) {
6269 err = hci_bdaddr_list_del(&hdev->whitelist,
6270 &cp->addr.bdaddr,
6271 cp->addr.type);
6272 if (err) {
51d7a94d
JH		 6273 err = mgmt_cmd_complete(sk, hdev->id,
6274 MGMT_OP_REMOVE_DEVICE,
6275 MGMT_STATUS_INVALID_PARAMS,
6276 &cp->addr,
6277 sizeof(cp->addr));
6659358e
JH		 6278 goto unlock;
6279 }
6280
51d7a94d 6281 hci_update_page_scan(hdev);
a397407f 6282
6659358e
JH		 6283 device_removed(sk, hdev, &cp->addr.bdaddr,
6284 cp->addr.type);
6285 goto complete;
6286 }
6287
85813a7e 6288 addr_type = le_addr_type(cp->addr.type);
2faade53 6289
9a0a8a8e
JP		 6290 /* Kernel internally uses conn_params with resolvable private
6291 * address, but Remove Device allows only identity addresses.
6292 * Make sure it is enforced before calling
6293 * hci_conn_params_lookup.
6294 */
6295 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
51d7a94d
JH		 6296 err = mgmt_cmd_complete(sk, hdev->id,
6297 MGMT_OP_REMOVE_DEVICE,
6298 MGMT_STATUS_INVALID_PARAMS,
6299 &cp->addr, sizeof(cp->addr));
9a0a8a8e
JP		 6300 goto unlock;
6301 }
6302
c71593dd
JH		 6303 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
6304 addr_type);
6305 if (!params) {
51d7a94d
JH		 6306 err = mgmt_cmd_complete(sk, hdev->id,
6307 MGMT_OP_REMOVE_DEVICE,
6308 MGMT_STATUS_INVALID_PARAMS,
6309 &cp->addr, sizeof(cp->addr));
c71593dd
JH		 6310 goto unlock;
6311 }
6312
679d2b6f
JH		 6313 if (params->auto_connect == HCI_AUTO_CONN_DISABLED ||
6314 params->auto_connect == HCI_AUTO_CONN_EXPLICIT) {
51d7a94d
JH		 6315 err = mgmt_cmd_complete(sk, hdev->id,
6316 MGMT_OP_REMOVE_DEVICE,
6317 MGMT_STATUS_INVALID_PARAMS,
6318 &cp->addr, sizeof(cp->addr));
c71593dd
JH		 6319 goto unlock;
6320 }
6321
d1dbf12e 6322 list_del(&params->action);
c71593dd
JH		 6323 list_del(&params->list);
6324 kfree(params);
51d7a94d 6325 hci_update_background_scan(hdev);
8afef092
MH		 6326
6327 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 6328 } else {
19de0825 6329 struct hci_conn_params *p, *tmp;
6659358e 6330 struct bdaddr_list *b, *btmp;
19de0825 6331
2faade53 6332 if (cp->addr.type) {
51d7a94d
JH		 6333 err = mgmt_cmd_complete(sk, hdev->id,
6334 MGMT_OP_REMOVE_DEVICE,
6335 MGMT_STATUS_INVALID_PARAMS,
6336 &cp->addr, sizeof(cp->addr));
2faade53
MH		 6337 goto unlock;
6338 }
6339
6659358e
JH		 6340 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
6341 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
6342 list_del(&b->list);
6343 kfree(b);
6344 }
6345
51d7a94d 6346 hci_update_page_scan(hdev);
a397407f 6347
19de0825
JH		 6348 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
6349 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
6350 continue;
6351 device_removed(sk, hdev, &p->addr, p->addr_type);
679d2b6f
JH		 6352 if (p->explicit_connect) {
6353 p->auto_connect = HCI_AUTO_CONN_EXPLICIT;
6354 continue;
6355 }
19de0825
JH		 6356 list_del(&p->action);
6357 list_del(&p->list);
6358 kfree(p);
6359 }
6360
6361 BT_DBG("All LE connection parameters were removed");
6362
51d7a94d 6363 hci_update_background_scan(hdev);
2faade53
MH		 6364 }
6365
6659358e 6366complete:
51d7a94d
JH		 6367 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
6368 MGMT_STATUS_SUCCESS, &cp->addr,
6369 sizeof(cp->addr));
2faade53
MH		 6370unlock:
6371 hci_dev_unlock(hdev);
6372 return err;
6373}
6374
a26f3dcf
JH		 6375static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
6376 u16 len)
6377{
6378 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 6379 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
6380 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 6381 u16 param_count, expected_len;
6382 int i;
6383
6384 if (!lmp_le_capable(hdev))
a69e8375
JH		 6385 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6386 MGMT_STATUS_NOT_SUPPORTED);
a26f3dcf
JH		 6387
6388 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 6389 if (param_count > max_param_count) {
6390 BT_ERR("load_conn_param: too big param_count value %u",
6391 param_count);
a69e8375
JH		 6392 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6393 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 6394 }
a26f3dcf
JH		 6395
6396 expected_len = sizeof(*cp) + param_count *
6397 sizeof(struct mgmt_conn_param);
6398 if (expected_len != len) {
6399 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
6400 expected_len, len);
a69e8375
JH		 6401 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6402 MGMT_STATUS_INVALID_PARAMS);
a26f3dcf
JH		 6403 }
6404
6405 BT_DBG("%s param_count %u", hdev->name, param_count);
6406
6407 hci_dev_lock(hdev);
6408
6409 hci_conn_params_clear_disabled(hdev);
6410
6411 for (i = 0; i < param_count; i++) {
6412 struct mgmt_conn_param *param = &cp->params[i];
6413 struct hci_conn_params *hci_param;
6414 u16 min, max, latency, timeout;
6415 u8 addr_type;
6416
6417 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
6418 param->addr.type);
6419
6420 if (param->addr.type == BDADDR_LE_PUBLIC) {
6421 addr_type = ADDR_LE_DEV_PUBLIC;
6422 } else if (param->addr.type == BDADDR_LE_RANDOM) {
6423 addr_type = ADDR_LE_DEV_RANDOM;
6424 } else {
6425 BT_ERR("Ignoring invalid connection parameters");
6426 continue;
6427 }
6428
6429 min = le16_to_cpu(param->min_interval);
6430 max = le16_to_cpu(param->max_interval);
6431 latency = le16_to_cpu(param->latency);
6432 timeout = le16_to_cpu(param->timeout);
6433
6434 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
6435 min, max, latency, timeout);
6436
6437 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
6438 BT_ERR("Ignoring invalid connection parameters");
6439 continue;
6440 }
6441
6442 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
6443 addr_type);
6444 if (!hci_param) {
6445 BT_ERR("Failed to add connection parameters");
6446 continue;
6447 }
6448
6449 hci_param->conn_min_interval = min;
6450 hci_param->conn_max_interval = max;
6451 hci_param->conn_latency = latency;
6452 hci_param->supervision_timeout = timeout;
6453 }
6454
6455 hci_dev_unlock(hdev);
6456
2a1afb5a
JH		 6457 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0,
6458 NULL, 0);
a26f3dcf
JH		 6459}
6460
dbece37a
MH		 6461static int set_external_config(struct sock *sk, struct hci_dev *hdev,
6462 void *data, u16 len)
6463{
6464 struct mgmt_cp_set_external_config *cp = data;
6465 bool changed;
6466 int err;
6467
6468 BT_DBG("%s", hdev->name);
6469
6470 if (hdev_is_powered(hdev))
a69e8375
JH		 6471 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6472 MGMT_STATUS_REJECTED);
dbece37a
MH		 6473
6474 if (cp->config != 0x00 && cp->config != 0x01)
a69e8375
JH		 6475 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6476 MGMT_STATUS_INVALID_PARAMS);
dbece37a
MH		 6477
6478 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
a69e8375
JH		 6479 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6480 MGMT_STATUS_NOT_SUPPORTED);
dbece37a
MH		 6481
6482 hci_dev_lock(hdev);
6483
6484 if (cp->config)
238be788 6485 changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a 6486 else
a69d8927 6487 changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a
MH		 6488
6489 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
6490 if (err < 0)
6491 goto unlock;
6492
6493 if (!changed)
6494 goto unlock;
6495
f4537c04
MH		 6496 err = new_options(hdev, sk);
6497
d7a5a11d 6498 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
dbece37a 6499 mgmt_index_removed(hdev);
d603b76b 6500
516018a9 6501 if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
a1536da2
MH		 6502 hci_dev_set_flag(hdev, HCI_CONFIG);
6503 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
d603b76b
MH		 6504
6505 queue_work(hdev->req_workqueue, &hdev->power_on);
6506 } else {
5ea234d3 6507 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 6508 mgmt_index_added(hdev);
6509 }
dbece37a
MH		 6510 }
6511
6512unlock:
6513 hci_dev_unlock(hdev);
6514 return err;
6515}
6516
9713c17b
MH		 6517static int set_public_address(struct sock *sk, struct hci_dev *hdev,
6518 void *data, u16 len)
6519{
6520 struct mgmt_cp_set_public_address *cp = data;
6521 bool changed;
6522 int err;
6523
6524 BT_DBG("%s", hdev->name);
6525
6526 if (hdev_is_powered(hdev))
a69e8375
JH		 6527 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6528 MGMT_STATUS_REJECTED);
9713c17b
MH		 6529
6530 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
a69e8375
JH		 6531 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6532 MGMT_STATUS_INVALID_PARAMS);
9713c17b
MH		 6533
6534 if (!hdev->set_bdaddr)
a69e8375
JH		 6535 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6536 MGMT_STATUS_NOT_SUPPORTED);
9713c17b
MH		 6537
6538 hci_dev_lock(hdev);
6539
6540 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
6541 bacpy(&hdev->public_addr, &cp->bdaddr);
6542
6543 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
6544 if (err < 0)
6545 goto unlock;
6546
6547 if (!changed)
6548 goto unlock;
6549
d7a5a11d 6550 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
9713c17b
MH		 6551 err = new_options(hdev, sk);
6552
6553 if (is_configured(hdev)) {
6554 mgmt_index_removed(hdev);
6555
a358dc11 6556 hci_dev_clear_flag(hdev, HCI_UNCONFIGURED);
9713c17b 6557
a1536da2
MH		 6558 hci_dev_set_flag(hdev, HCI_CONFIG);
6559 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
9713c17b
MH		 6560
6561 queue_work(hdev->req_workqueue, &hdev->power_on);
6562 }
6563
6564unlock:
6565 hci_dev_unlock(hdev);
6566 return err;
6567}
6568
bea41609
MH		 6569static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6570 u8 data_len)
6571{
6572 eir[eir_len++] = sizeof(type) + data_len;
6573 eir[eir_len++] = type;
6574 memcpy(&eir[eir_len], data, data_len);
6575 eir_len += data_len;
6576
6577 return eir_len;
6578}
6579
40f66c05
JH		 6580static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
6581 u16 opcode, struct sk_buff *skb)
6582{
6583 const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
6584 struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
6585 u8 *h192, *r192, *h256, *r256;
6586 struct mgmt_pending_cmd *cmd;
6587 u16 eir_len;
6588 int err;
6589
6590 BT_DBG("%s status %u", hdev->name, status);
6591
6592 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
6593 if (!cmd)
6594 return;
6595
6596 mgmt_cp = cmd->param;
6597
6598 if (status) {
6599 status = mgmt_status(status);
6600 eir_len = 0;
6601
6602 h192 = NULL;
6603 r192 = NULL;
6604 h256 = NULL;
6605 r256 = NULL;
6606 } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
6607 struct hci_rp_read_local_oob_data *rp;
6608
6609 if (skb->len != sizeof(*rp)) {
6610 status = MGMT_STATUS_FAILED;
6611 eir_len = 0;
6612 } else {
6613 status = MGMT_STATUS_SUCCESS;
6614 rp = (void *)skb->data;
6615
6616 eir_len = 5 + 18 + 18;
6617 h192 = rp->hash;
6618 r192 = rp->rand;
6619 h256 = NULL;
6620 r256 = NULL;
6621 }
6622 } else {
6623 struct hci_rp_read_local_oob_ext_data *rp;
6624
6625 if (skb->len != sizeof(*rp)) {
6626 status = MGMT_STATUS_FAILED;
6627 eir_len = 0;
6628 } else {
6629 status = MGMT_STATUS_SUCCESS;
6630 rp = (void *)skb->data;
6631
6632 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
6633 eir_len = 5 + 18 + 18;
6634 h192 = NULL;
6635 r192 = NULL;
6636 } else {
6637 eir_len = 5 + 18 + 18 + 18 + 18;
6638 h192 = rp->hash192;
6639 r192 = rp->rand192;
6640 }
6641
6642 h256 = rp->hash256;
6643 r256 = rp->rand256;
6644 }
6645 }
6646
6647 mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL);
6648 if (!mgmt_rp)
6649 goto done;
6650
6651 if (status)
6652 goto send_rsp;
6653
6654 eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV,
6655 hdev->dev_class, 3);
6656
6657 if (h192 && r192) {
6658 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6659 EIR_SSP_HASH_C192, h192, 16);
6660 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6661 EIR_SSP_RAND_R192, r192, 16);
6662 }
6663
6664 if (h256 && r256) {
6665 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6666 EIR_SSP_HASH_C256, h256, 16);
6667 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6668 EIR_SSP_RAND_R256, r256, 16);
6669 }
6670
6671send_rsp:
6672 mgmt_rp->type = mgmt_cp->type;
6673 mgmt_rp->eir_len = cpu_to_le16(eir_len);
6674
6675 err = mgmt_cmd_complete(cmd->sk, hdev->id,
6676 MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status,
6677 mgmt_rp, sizeof(*mgmt_rp) + eir_len);
6678 if (err < 0 || status)
6679 goto done;
6680
6681 hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS);
6682
6683 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6684 mgmt_rp, sizeof(*mgmt_rp) + eir_len,
6685 HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
6686done:
6687 kfree(mgmt_rp);
6688 mgmt_pending_remove(cmd);
6689}
6690
6691static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
6692 struct mgmt_cp_read_local_oob_ext_data *cp)
6693{
6694 struct mgmt_pending_cmd *cmd;
6695 struct hci_request req;
6696 int err;
6697
6698 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
6699 cp, sizeof(*cp));
6700 if (!cmd)
6701 return -ENOMEM;
6702
6703 hci_req_init(&req, hdev);
6704
6705 if (bredr_sc_enabled(hdev))
6706 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
6707 else
6708 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
6709
6710 err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
6711 if (err < 0) {
6712 mgmt_pending_remove(cmd);
6713 return err;
6714 }
6715
6716 return 0;
6717}
6718
4f0f155c
MH		 6719static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
6720 void *data, u16 data_len)
6721{
6722 struct mgmt_cp_read_local_oob_ext_data *cp = data;
6723 struct mgmt_rp_read_local_oob_ext_data *rp;
6724 size_t rp_len;
6725 u16 eir_len;
0821a2c5 6726 u8 status, flags, role, addr[7], hash[16], rand[16];
4f0f155c
MH		 6727 int err;
6728
6729 BT_DBG("%s", hdev->name);
6730
57b0d3e8
MH		 6731 if (hdev_is_powered(hdev)) {
6732 switch (cp->type) {
6733 case BIT(BDADDR_BREDR):
6734 status = mgmt_bredr_support(hdev);
6735 if (status)
6736 eir_len = 0;
6737 else
6738 eir_len = 5;
6739 break;
6740 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
6741 status = mgmt_le_support(hdev);
6742 if (status)
6743 eir_len = 0;
6744 else
6745 eir_len = 9 + 3 + 18 + 18 + 3;
6746 break;
6747 default:
6748 status = MGMT_STATUS_INVALID_PARAMS;
6749 eir_len = 0;
6750 break;
6751 }
6752 } else {
6753 status = MGMT_STATUS_NOT_POWERED;
6754 eir_len = 0;
4f0f155c
MH		 6755 }
6756
4f0f155c
MH		 6757 rp_len = sizeof(*rp) + eir_len;
6758 rp = kmalloc(rp_len, GFP_ATOMIC);
efcd8c98 6759 if (!rp)
4f0f155c 6760 return -ENOMEM;
efcd8c98 6761
57b0d3e8
MH		 6762 if (status)
6763 goto complete;
6764
efcd8c98 6765 hci_dev_lock(hdev);
4f0f155c
MH		 6766
6767 eir_len = 0;
6768 switch (cp->type) {
6769 case BIT(BDADDR_BREDR):
40f66c05
JH		 6770 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
6771 err = read_local_ssp_oob_req(hdev, sk, cp);
6772 hci_dev_unlock(hdev);
6773 if (!err)
6774 goto done;
6775
6776 status = MGMT_STATUS_FAILED;
6777 goto complete;
6778 } else {
6779 eir_len = eir_append_data(rp->eir, eir_len,
6780 EIR_CLASS_OF_DEV,
6781 hdev->dev_class, 3);
6782 }
4f0f155c
MH		 6783 break;
6784 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
5082a599
MH		 6785 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
6786 smp_generate_oob(hdev, hash, rand) < 0) {
0821a2c5 6787 hci_dev_unlock(hdev);
57b0d3e8
MH		 6788 status = MGMT_STATUS_FAILED;
6789 goto complete;
0821a2c5
MH		 6790 }
6791
e213568a
MH		 6792 /* This should return the active RPA, but since the RPA
6793 * is only programmed on demand, it is really hard to fill
6794 * this in at the moment. For now disallow retrieving
6795 * local out-of-band data when privacy is in use.
6796 *
6797 * Returning the identity address will not help here since
6798 * pairing happens before the identity resolving key is
6799 * known and thus the connection establishment happens
6800 * based on the RPA and not the identity address.
6801 */
4f0f155c 6802 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
e213568a
MH		 6803 hci_dev_unlock(hdev);
6804 status = MGMT_STATUS_REJECTED;
6805 goto complete;
6806 }
6807
6808 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
6809 !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
6810 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
6811 bacmp(&hdev->static_addr, BDADDR_ANY))) {
4f0f155c
MH		 6812 memcpy(addr, &hdev->static_addr, 6);
6813 addr[6] = 0x01;
6814 } else {
6815 memcpy(addr, &hdev->bdaddr, 6);
6816 addr[6] = 0x00;
6817 }
6818
6819 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR,
6820 addr, sizeof(addr));
6821
6822 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
6823 role = 0x02;
6824 else
6825 role = 0x01;
6826
6827 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE,
6828 &role, sizeof(role));
6829
5082a599
MH		 6830 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) {
6831 eir_len = eir_append_data(rp->eir, eir_len,
6832 EIR_LE_SC_CONFIRM,
6833 hash, sizeof(hash));
0821a2c5 6834
5082a599
MH		 6835 eir_len = eir_append_data(rp->eir, eir_len,
6836 EIR_LE_SC_RANDOM,
6837 rand, sizeof(rand));
6838 }
0821a2c5 6839
4f0f155c
MH		 6840 flags = get_adv_discov_flags(hdev);
6841
6842 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
6843 flags |= LE_AD_NO_BREDR;
6844
6845 eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS,
6846 &flags, sizeof(flags));
6847 break;
6848 }
6849
4f0f155c
MH		 6850 hci_dev_unlock(hdev);
6851
72000df2
MH		 6852 hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
6853
57b0d3e8
MH		 6854 status = MGMT_STATUS_SUCCESS;
6855
6856complete:
efcd8c98
MH		 6857 rp->type = cp->type;
6858 rp->eir_len = cpu_to_le16(eir_len);
6859
4f0f155c 6860 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
57b0d3e8
MH		 6861 status, rp, sizeof(*rp) + eir_len);
6862 if (err < 0 || status)
72000df2
MH		 6863 goto done;
6864
6865 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6866 rp, sizeof(*rp) + eir_len,
6867 HCI_MGMT_OOB_DATA_EVENTS, sk);
4f0f155c 6868
0821a2c5 6869done:
4f0f155c
MH		 6870 kfree(rp);
6871
6872 return err;
6873}
6874
089fa8c0
AU		 6875static u32 get_supported_adv_flags(struct hci_dev *hdev)
6876{
6877 u32 flags = 0;
6878
6879 flags |= MGMT_ADV_FLAG_CONNECTABLE;
6880 flags |= MGMT_ADV_FLAG_DISCOV;
6881 flags |= MGMT_ADV_FLAG_LIMITED_DISCOV;
6882 flags |= MGMT_ADV_FLAG_MANAGED_FLAGS;
6883
6884 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID)
6885 flags |= MGMT_ADV_FLAG_TX_POWER;
6886
6887 return flags;
6888}
6889
d3d5305b
MH		 6890static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
6891 void *data, u16 data_len)
6892{
6893 struct mgmt_rp_read_adv_features *rp;
6894 size_t rp_len;
286e0c83 6895 int err, i;
24b4f38f 6896 bool instance;
286e0c83 6897 struct adv_info *adv_instance;
089fa8c0 6898 u32 supported_flags;
d3d5305b
MH		 6899
6900 BT_DBG("%s", hdev->name);
6901
089fa8c0
AU		 6902 if (!lmp_le_capable(hdev))
6903 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
6904 MGMT_STATUS_REJECTED);
6905
d3d5305b
MH		 6906 hci_dev_lock(hdev);
6907
6908 rp_len = sizeof(*rp);
24b4f38f 6909
24b4f38f
AU		 6910 instance = hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE);
6911 if (instance)
286e0c83 6912 rp_len += hdev->adv_instance_cnt;
24b4f38f 6913
d3d5305b
MH		 6914 rp = kmalloc(rp_len, GFP_ATOMIC);
6915 if (!rp) {
6916 hci_dev_unlock(hdev);
6917 return -ENOMEM;
6918 }
6919
089fa8c0
AU		 6920 supported_flags = get_supported_adv_flags(hdev);
6921
6922 rp->supported_flags = cpu_to_le32(supported_flags);
dc5d82a9
MH		 6923 rp->max_adv_data_len = HCI_MAX_AD_LENGTH;
6924 rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH;
d2609b34 6925 rp->max_instances = HCI_MAX_ADV_INSTANCES;
24b4f38f 6926
24b4f38f 6927 if (instance) {
286e0c83
FG		 6928 i = 0;
6929 list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
6930 if (i >= hdev->adv_instance_cnt)
6931 break;
6932
6933 rp->instance[i] = adv_instance->instance;
6934 i++;
6935 }
6936 rp->num_instances = hdev->adv_instance_cnt;
24b4f38f
AU		 6937 } else {
6938 rp->num_instances = 0;
6939 }
d3d5305b
MH		 6940
6941 hci_dev_unlock(hdev);
6942
6943 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
6944 MGMT_STATUS_SUCCESS, rp, rp_len);
6945
6946 kfree(rp);
6947
6948 return err;
6949}
6950
4117ed70 6951static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
b44133ff 6952 u8 len, bool is_adv_data)
24b4f38f 6953{
4117ed70 6954 u8 max_len = HCI_MAX_AD_LENGTH;
24b4f38f 6955 int i, cur_len;
b44133ff 6956 bool flags_managed = false;
5507e358 6957 bool tx_power_managed = false;
67e0c0cd
AU		 6958 u32 flags_params = MGMT_ADV_FLAG_DISCOV | MGMT_ADV_FLAG_LIMITED_DISCOV |
6959 MGMT_ADV_FLAG_MANAGED_FLAGS;
24b4f38f 6960
807ec772 6961 if (is_adv_data && (adv_flags & flags_params)) {
b44133ff
AU		 6962 flags_managed = true;
6963 max_len -= 3;
6964 }
24b4f38f 6965
5507e358
AU		 6966 if (is_adv_data && (adv_flags & MGMT_ADV_FLAG_TX_POWER)) {
6967 tx_power_managed = true;
6968 max_len -= 3;
6969 }
6970
4117ed70 6971 if (len > max_len)
24b4f38f
AU		 6972 return false;
6973
4117ed70
AU		 6974 /* Make sure that the data is correctly formatted. */
6975 for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) {
6976 cur_len = data[i];
24b4f38f 6977
b44133ff
AU		 6978 if (flags_managed && data[i + 1] == EIR_FLAGS)
6979 return false;
6980
5507e358
AU		 6981 if (tx_power_managed && data[i + 1] == EIR_TX_POWER)
6982 return false;
6983
24b4f38f
AU		 6984 /* If the current field length would exceed the total data
6985 * length, then it's invalid.
6986 */
4117ed70 6987 if (i + cur_len >= len)
24b4f38f
AU		 6988 return false;
6989 }
6990
6991 return true;
6992}
6993
24b4f38f
AU		 6994static void add_advertising_complete(struct hci_dev *hdev, u8 status,
6995 u16 opcode)
6996{
6997 struct mgmt_pending_cmd *cmd;
fffd38bc 6998 struct mgmt_cp_add_advertising *cp;
24b4f38f 6999 struct mgmt_rp_add_advertising rp;
fffd38bc
FG		 7000 struct adv_info *adv_instance, *n;
7001 u8 instance;
24b4f38f
AU		 7002
7003 BT_DBG("status %d", status);
7004
7005 hci_dev_lock(hdev);
7006
7007 cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
7008
fffd38bc 7009 if (status)
24b4f38f 7010 hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
fffd38bc
FG		 7011
7012 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
7013 if (!adv_instance->pending)
7014 continue;
7015
7016 if (!status) {
7017 adv_instance->pending = false;
7018 continue;
7019 }
7020
7021 instance = adv_instance->instance;
7022
7023 if (hdev->cur_adv_instance == instance)
7024 cancel_adv_timeout(hdev);
7025
7026 hci_remove_adv_instance(hdev, instance);
7027 advertising_removed(cmd ? cmd->sk : NULL, hdev, instance);
24b4f38f
AU		 7028 }
7029
7030 if (!cmd)
7031 goto unlock;
7032
fffd38bc
FG		 7033 cp = cmd->param;
7034 rp.instance = cp->instance;
24b4f38f
AU		 7035
7036 if (status)
7037 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
7038 mgmt_status(status));
7039 else
7040 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
7041 mgmt_status(status), &rp, sizeof(rp));
7042
7043 mgmt_pending_remove(cmd);
7044
7045unlock:
7046 hci_dev_unlock(hdev);
7047}
7048
5d900e46 7049void mgmt_adv_timeout_expired(struct hci_dev *hdev)
912098a6 7050{
847818d9
FG		 7051 u8 instance;
7052 struct hci_request req;
7053
5d900e46 7054 hdev->adv_instance_timeout = 0;
912098a6 7055
847818d9
FG		 7056 instance = get_current_adv_instance(hdev);
7057 if (instance == 0x00)
7058 return;
7059
912098a6 7060 hci_dev_lock(hdev);
847818d9
FG		 7061 hci_req_init(&req, hdev);
7062
7063 clear_adv_instance(hdev, &req, instance, false);
7064
7065 if (list_empty(&hdev->adv_instances))
7066 disable_advertising(&req);
7067
7068 if (!skb_queue_empty(&req.cmd_q))
7069 hci_req_run(&req, NULL);
7070
912098a6
AU		 7071 hci_dev_unlock(hdev);
7072}
7073
24b4f38f
AU		 7074static int add_advertising(struct sock *sk, struct hci_dev *hdev,
7075 void *data, u16 data_len)
7076{
7077 struct mgmt_cp_add_advertising *cp = data;
7078 struct mgmt_rp_add_advertising rp;
7079 u32 flags;
089fa8c0 7080 u32 supported_flags;
24b4f38f 7081 u8 status;
fffd38bc
FG		 7082 u16 timeout, duration;
7083 unsigned int prev_instance_cnt = hdev->adv_instance_cnt;
7084 u8 schedule_instance = 0;
7085 struct adv_info *next_instance;
24b4f38f
AU		 7086 int err;
7087 struct mgmt_pending_cmd *cmd;
7088 struct hci_request req;
7089
7090 BT_DBG("%s", hdev->name);
7091
7092 status = mgmt_le_support(hdev);
7093 if (status)
7094 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7095 status);
7096
7097 flags = __le32_to_cpu(cp->flags);
912098a6 7098 timeout = __le16_to_cpu(cp->timeout);
fffd38bc 7099 duration = __le16_to_cpu(cp->duration);
24b4f38f 7100
fffd38bc
FG		 7101 /* The current implementation only supports a subset of the specified
7102 * flags.
089fa8c0
AU		 7103 */
7104 supported_flags = get_supported_adv_flags(hdev);
fffd38bc 7105 if (flags & ~supported_flags)
24b4f38f
AU		 7106 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7107 MGMT_STATUS_INVALID_PARAMS);
7108
7109 hci_dev_lock(hdev);
7110
912098a6
AU		 7111 if (timeout && !hdev_is_powered(hdev)) {
7112 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7113 MGMT_STATUS_REJECTED);
7114 goto unlock;
7115 }
7116
24b4f38f 7117 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
da929335 7118 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
24b4f38f
AU		 7119 pending_find(MGMT_OP_SET_LE, hdev)) {
7120 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7121 MGMT_STATUS_BUSY);
7122 goto unlock;
7123 }
7124
b44133ff 7125 if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) ||
4117ed70 7126 !tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len,
b44133ff 7127 cp->scan_rsp_len, false)) {
24b4f38f
AU		 7128 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7129 MGMT_STATUS_INVALID_PARAMS);
7130 goto unlock;
7131 }
7132
fffd38bc
FG		 7133 err = hci_add_adv_instance(hdev, cp->instance, flags,
7134 cp->adv_data_len, cp->data,
7135 cp->scan_rsp_len,
7136 cp->data + cp->adv_data_len,
7137 timeout, duration);
7138 if (err < 0) {
7139 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7140 MGMT_STATUS_FAILED);
7141 goto unlock;
7142 }
24b4f38f 7143
fffd38bc
FG		 7144 /* Only trigger an advertising added event if a new instance was
7145 * actually added.
7146 */
7147 if (hdev->adv_instance_cnt > prev_instance_cnt)
7148 advertising_added(sk, hdev, cp->instance);
912098a6 7149
fffd38bc 7150 hci_dev_set_flag(hdev, HCI_ADVERTISING_INSTANCE);
912098a6 7151
fffd38bc
FG		 7152 if (hdev->cur_adv_instance == cp->instance) {
7153 /* If the currently advertised instance is being changed then
7154 * cancel the current advertising and schedule the next
7155 * instance. If there is only one instance then the overridden
7156 * advertising data will be visible right away.
7157 */
7158 cancel_adv_timeout(hdev);
912098a6 7159
fffd38bc
FG		 7160 next_instance = hci_get_next_instance(hdev, cp->instance);
7161 if (next_instance)
7162 schedule_instance = next_instance->instance;
7163 } else if (!hdev->adv_instance_timeout) {
7164 /* Immediately advertise the new instance if no other
7165 * instance is currently being advertised.
7166 */
7167 schedule_instance = cp->instance;
7168 }
24b4f38f 7169
fffd38bc
FG		 7170 /* If the HCI_ADVERTISING flag is set or the device isn't powered or
7171 * there is no instance to be advertised then we have no HCI
7172 * communication to make. Simply return.
24b4f38f
AU		 7173 */
7174 if (!hdev_is_powered(hdev) ||
fffd38bc
FG		 7175 hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7176 !schedule_instance) {
7177 rp.instance = cp->instance;
24b4f38f
AU		 7178 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7179 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7180 goto unlock;
7181 }
7182
7183 /* We're good to go, update advertising data, parameters, and start
7184 * advertising.
7185 */
7186 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
7187 data_len);
7188 if (!cmd) {
7189 err = -ENOMEM;
7190 goto unlock;
7191 }
7192
7193 hci_req_init(&req, hdev);
7194
fffd38bc
FG		 7195 err = schedule_adv_instance(&req, schedule_instance, true);
7196
7197 if (!err)
7198 err = hci_req_run(&req, add_advertising_complete);
24b4f38f 7199
24b4f38f
AU		 7200 if (err < 0)
7201 mgmt_pending_remove(cmd);
7202
7203unlock:
7204 hci_dev_unlock(hdev);
7205
7206 return err;
7207}
7208
da929335
AU		 7209static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
7210 u16 opcode)
7211{
7212 struct mgmt_pending_cmd *cmd;
01948331 7213 struct mgmt_cp_remove_advertising *cp;
da929335
AU		 7214 struct mgmt_rp_remove_advertising rp;
7215
7216 BT_DBG("status %d", status);
7217
7218 hci_dev_lock(hdev);
7219
7220 /* A failure status here only means that we failed to disable
7221 * advertising. Otherwise, the advertising instance has been removed,
7222 * so report success.
7223 */
7224 cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
7225 if (!cmd)
7226 goto unlock;
7227
01948331
FG		 7228 cp = cmd->param;
7229 rp.instance = cp->instance;
da929335
AU		 7230
7231 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
7232 &rp, sizeof(rp));
7233 mgmt_pending_remove(cmd);
7234
7235unlock:
7236 hci_dev_unlock(hdev);
7237}
7238
7239static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
7240 void *data, u16 data_len)
7241{
7242 struct mgmt_cp_remove_advertising *cp = data;
7243 struct mgmt_rp_remove_advertising rp;
da929335
AU		 7244 struct mgmt_pending_cmd *cmd;
7245 struct hci_request req;
952497b1 7246 int err;
da929335
AU		 7247
7248 BT_DBG("%s", hdev->name);
7249
da929335
AU		 7250 hci_dev_lock(hdev);
7251
952497b1 7252 if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
01948331
FG		 7253 err = mgmt_cmd_status(sk, hdev->id,
7254 MGMT_OP_REMOVE_ADVERTISING,
7255 MGMT_STATUS_INVALID_PARAMS);
7256 goto unlock;
7257 }
7258
da929335
AU		 7259 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
7260 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
7261 pending_find(MGMT_OP_SET_LE, hdev)) {
7262 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7263 MGMT_STATUS_BUSY);
7264 goto unlock;
7265 }
7266
7267 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE)) {
7268 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7269 MGMT_STATUS_INVALID_PARAMS);
7270 goto unlock;
7271 }
7272
01948331 7273 hci_req_init(&req, hdev);
da929335 7274
01948331 7275 clear_adv_instance(hdev, &req, cp->instance, true);
da929335 7276
01948331
FG		 7277 if (list_empty(&hdev->adv_instances))
7278 disable_advertising(&req);
da929335 7279
01948331
FG		 7280 /* If no HCI commands have been collected so far or the HCI_ADVERTISING
7281 * flag is set or the device isn't powered then we have no HCI
7282 * communication to make. Simply return.
da929335 7283 */
01948331
FG		 7284 if (skb_queue_empty(&req.cmd_q) ||
7285 !hdev_is_powered(hdev) ||
da929335 7286 hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
01948331 7287 rp.instance = cp->instance;
da929335
AU		 7288 err = mgmt_cmd_complete(sk, hdev->id,
7289 MGMT_OP_REMOVE_ADVERTISING,
7290 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7291 goto unlock;
7292 }
7293
7294 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
7295 data_len);
7296 if (!cmd) {
7297 err = -ENOMEM;
7298 goto unlock;
7299 }
7300
da929335
AU		 7301 err = hci_req_run(&req, remove_advertising_complete);
7302 if (err < 0)
7303 mgmt_pending_remove(cmd);
7304
7305unlock:
7306 hci_dev_unlock(hdev);
7307
7308 return err;
7309}
7310
6d785aa3 7311static const struct hci_mgmt_handler mgmt_handlers[] = {
0f4e68cf 7312 { NULL }, /* 0x0000 (no command) */
b9a245fb 7313 { read_version, MGMT_READ_VERSION_SIZE,
c91041dc
MH		 7314 HCI_MGMT_NO_HDEV |
7315 HCI_MGMT_UNTRUSTED },
b9a245fb 7316 { read_commands, MGMT_READ_COMMANDS_SIZE,
c91041dc
MH		 7317 HCI_MGMT_NO_HDEV |
7318 HCI_MGMT_UNTRUSTED },
b9a245fb 7319 { read_index_list, MGMT_READ_INDEX_LIST_SIZE,
c91041dc
MH		 7320 HCI_MGMT_NO_HDEV |
7321 HCI_MGMT_UNTRUSTED },
7322 { read_controller_info, MGMT_READ_INFO_SIZE,
7323 HCI_MGMT_UNTRUSTED },
7aea8616
MH		 7324 { set_powered, MGMT_SETTING_SIZE },
7325 { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE },
7326 { set_connectable, MGMT_SETTING_SIZE },
7327 { set_fast_connectable, MGMT_SETTING_SIZE },
7328 { set_bondable, MGMT_SETTING_SIZE },
7329 { set_link_security, MGMT_SETTING_SIZE },
7330 { set_ssp, MGMT_SETTING_SIZE },
7331 { set_hs, MGMT_SETTING_SIZE },
7332 { set_le, MGMT_SETTING_SIZE },
7333 { set_dev_class, MGMT_SET_DEV_CLASS_SIZE },
7334 { set_local_name, MGMT_SET_LOCAL_NAME_SIZE },
7335 { add_uuid, MGMT_ADD_UUID_SIZE },
7336 { remove_uuid, MGMT_REMOVE_UUID_SIZE },
b9a245fb
JH		 7337 { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE,
7338 HCI_MGMT_VAR_LEN },
7339 { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE,
7340 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7341 { disconnect, MGMT_DISCONNECT_SIZE },
7342 { get_connections, MGMT_GET_CONNECTIONS_SIZE },
7343 { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE },
7344 { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE },
7345 { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE },
7346 { pair_device, MGMT_PAIR_DEVICE_SIZE },
7347 { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE },
7348 { unpair_device, MGMT_UNPAIR_DEVICE_SIZE },
7349 { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE },
7350 { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
7351 { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE },
7352 { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
b9a245fb
JH		 7353 { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE },
7354 { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE,
7355 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7356 { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
7357 { start_discovery, MGMT_START_DISCOVERY_SIZE },
7358 { stop_discovery, MGMT_STOP_DISCOVERY_SIZE },
7359 { confirm_name, MGMT_CONFIRM_NAME_SIZE },
7360 { block_device, MGMT_BLOCK_DEVICE_SIZE },
7361 { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE },
7362 { set_device_id, MGMT_SET_DEVICE_ID_SIZE },
7363 { set_advertising, MGMT_SETTING_SIZE },
7364 { set_bredr, MGMT_SETTING_SIZE },
7365 { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE },
7366 { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE },
7367 { set_secure_conn, MGMT_SETTING_SIZE },
7368 { set_debug_keys, MGMT_SETTING_SIZE },
7369 { set_privacy, MGMT_SET_PRIVACY_SIZE },
b9a245fb
JH		 7370 { load_irks, MGMT_LOAD_IRKS_SIZE,
7371 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7372 { get_conn_info, MGMT_GET_CONN_INFO_SIZE },
7373 { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE },
7374 { add_device, MGMT_ADD_DEVICE_SIZE },
7375 { remove_device, MGMT_REMOVE_DEVICE_SIZE },
b9a245fb
JH		 7376 { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE,
7377 HCI_MGMT_VAR_LEN },
7378 { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE,
c91041dc
MH		 7379 HCI_MGMT_NO_HDEV |
7380 HCI_MGMT_UNTRUSTED },
b9a245fb 7381 { read_config_info, MGMT_READ_CONFIG_INFO_SIZE,
c91041dc
MH		 7382 HCI_MGMT_UNCONFIGURED |
7383 HCI_MGMT_UNTRUSTED },
b9a245fb
JH		 7384 { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE,
7385 HCI_MGMT_UNCONFIGURED },
7386 { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE,
7387 HCI_MGMT_UNCONFIGURED },
7388 { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE,
7389 HCI_MGMT_VAR_LEN },
4f0f155c 7390 { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE },
96f1474a 7391 { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE,
c91041dc
MH		 7392 HCI_MGMT_NO_HDEV |
7393 HCI_MGMT_UNTRUSTED },
d3d5305b 7394 { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE },
24b4f38f
AU		 7395 { add_advertising, MGMT_ADD_ADVERTISING_SIZE,
7396 HCI_MGMT_VAR_LEN },
da929335 7397 { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
0f4e68cf
JH		 7398};
7399
bf6b56db 7400void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 7401{
ced85549 7402 struct mgmt_ev_ext_index ev;
bb4b2a9a 7403
0602a8ad
MH		 7404 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7405 return;
7406
f9207338
MH		 7407 switch (hdev->dev_type) {
7408 case HCI_BREDR:
7409 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7410 mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
7411 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 7412 ev.type = 0x01;
f9207338
MH		 7413 } else {
7414 mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
7415 HCI_MGMT_INDEX_EVENTS);
ced85549 7416 ev.type = 0x00;
f9207338
MH		 7417 }
7418 break;
ced85549
MH		 7419 case HCI_AMP:
7420 ev.type = 0x02;
7421 break;
7422 default:
7423 return;
f9207338 7424 }
ced85549
MH		 7425
7426 ev.bus = hdev->bus;
7427
7428 mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev),
7429 HCI_MGMT_EXT_INDEX_EVENTS);
c71e97bf
JH		 7430}
7431
bf6b56db 7432void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 7433{
ced85549 7434 struct mgmt_ev_ext_index ev;
5f159032 7435 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 7436
0602a8ad
MH		 7437 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7438 return;
7439
f9207338
MH		 7440 switch (hdev->dev_type) {
7441 case HCI_BREDR:
7442 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
b24752fe 7443
f9207338
MH		 7444 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7445 mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
7446 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 7447 ev.type = 0x01;
f9207338
MH		 7448 } else {
7449 mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
7450 HCI_MGMT_INDEX_EVENTS);
ced85549 7451 ev.type = 0x00;
f9207338
MH		 7452 }
7453 break;
ced85549
MH		 7454 case HCI_AMP:
7455 ev.type = 0x02;
7456 break;
7457 default:
7458 return;
f9207338 7459 }
ced85549
MH		 7460
7461 ev.bus = hdev->bus;
7462
7463 mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev),
7464 HCI_MGMT_EXT_INDEX_EVENTS);
eec8d2bc
JH		 7465}
7466
6046dc3e 7467/* This function requires the caller holds hdev->lock */
af02dd44 7468static void restart_le_actions(struct hci_dev *hdev)
6046dc3e
AG		 7469{
7470 struct hci_conn_params *p;
7471
7472 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 7473 /* Needed for AUTO_OFF case where might not "really"
7474 * have been powered off.
7475 */
7476 list_del_init(&p->action);
7477
7478 switch (p->auto_connect) {
4b9e7e75 7479 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 7480 case HCI_AUTO_CONN_ALWAYS:
7481 list_add(&p->action, &hdev->pend_le_conns);
7482 break;
7483 case HCI_AUTO_CONN_REPORT:
7484 list_add(&p->action, &hdev->pend_le_reports);
7485 break;
7486 default:
7487 break;
c83ed19d 7488 }
6046dc3e
AG		 7489 }
7490}
7491
1904a853 7492static void powered_complete(struct hci_dev *hdev, u8 status, u16 opcode)
229ab39c
JH		 7493{
7494 struct cmd_lookup match = { NULL, hdev };
7495
7496 BT_DBG("status 0x%02x", status);
7497
162a3bac
MH		 7498 if (!status) {
7499 /* Register the available SMP channels (BR/EDR and LE) only
7500 * when successfully powering on the controller. This late
7501 * registration is required so that LE SMP can clearly
7502 * decide if the public address or static address is used.
7503 */
7504 smp_register(hdev);
af02dd44
JH		 7505
7506 restart_le_actions(hdev);
7507 hci_update_background_scan(hdev);
162a3bac
MH		 7508 }
7509
229ab39c
JH		 7510 hci_dev_lock(hdev);
7511
7512 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
7513
7514 new_settings(hdev, match.sk);
7515
7516 hci_dev_unlock(hdev);
7517
7518 if (match.sk)
7519 sock_put(match.sk);
7520}
7521
70da6243 7522static int powered_update_hci(struct hci_dev *hdev)
5add6af8 7523{
890ea898 7524 struct hci_request req;
320b3bf7 7525 struct adv_info *adv_instance;
70da6243 7526 u8 link_sec;
5add6af8 7527
890ea898
JH		 7528 hci_req_init(&req, hdev);
7529
d7a5a11d 7530 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
70da6243 7531 !lmp_host_ssp_capable(hdev)) {
574ea3c7 7532 u8 mode = 0x01;
5e5282bb 7533
574ea3c7
MH		 7534 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
7535
7536 if (bredr_sc_enabled(hdev) && !lmp_host_sc_capable(hdev)) {
7537 u8 support = 0x01;
5add6af8 7538
574ea3c7
MH		 7539 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT,
7540 sizeof(support), &support);
7541 }
ec6f99b8
JH		 7542 }
7543
d7a5a11d 7544 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
c73eee91 7545 lmp_bredr_capable(hdev)) {
70da6243 7546 struct hci_cp_write_le_host_supported cp;
f0ff92fb 7547
32226e4f
MH		 7548 cp.le = 0x01;
7549 cp.simul = 0x00;
3d1cbdd6 7550
70da6243
JH		 7551 /* Check first if we already have the right
7552 * host state (host features set)
7553 */
7554 if (cp.le != lmp_host_le_capable(hdev) ||
7555 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 7556 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
7557 sizeof(cp), &cp);
70da6243 7558 }
3d1cbdd6 7559
d13eafce 7560 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 7561 /* Make sure the controller has a good default for
7562 * advertising data. This also applies to the case
7563 * where BR/EDR was toggled during the AUTO_OFF phase.
7564 */
320b3bf7
FG		 7565 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
7566 (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7567 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))) {
5947f4bc 7568 update_adv_data(&req);
f14d8f64
MH		 7569 update_scan_rsp_data(&req);
7570 }
441ad2d0 7571
320b3bf7
FG		 7572 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7573 hdev->cur_adv_instance == 0x00 &&
7574 !list_empty(&hdev->adv_instances)) {
7575 adv_instance = list_first_entry(&hdev->adv_instances,
7576 struct adv_info, list);
7577 hdev->cur_adv_instance = adv_instance->instance;
7578 }
7579
7580 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
bba3aa55 7581 enable_advertising(&req);
320b3bf7
FG		 7582 else if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7583 hdev->cur_adv_instance)
7584 schedule_adv_instance(&req, hdev->cur_adv_instance,
7585 true);
eeca6f89
JH		 7586 }
7587
d7a5a11d 7588 link_sec = hci_dev_test_flag(hdev, HCI_LINK_SECURITY);
70da6243 7589 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 7590 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
7591 sizeof(link_sec), &link_sec);
562fcc24 7592
70da6243 7593 if (lmp_bredr_capable(hdev)) {
d7a5a11d 7594 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
406ef2a6
JH		 7595 write_fast_connectable(&req, true);
7596 else
7597 write_fast_connectable(&req, false);
1d2dc5b7 7598 __hci_update_page_scan(&req);
890ea898 7599 update_class(&req);
13928971 7600 update_name(&req);
890ea898 7601 update_eir(&req);
70da6243 7602 }
562fcc24 7603
229ab39c 7604 return hci_req_run(&req, powered_complete);
70da6243 7605}
562fcc24 7606
70da6243
JH		 7607int mgmt_powered(struct hci_dev *hdev, u8 powered)
7608{
7609 struct cmd_lookup match = { NULL, hdev };
9845904f 7610 u8 status, zero_cod[] = { 0, 0, 0 };
70da6243 7611 int err;
f0ff92fb 7612
d7a5a11d 7613 if (!hci_dev_test_flag(hdev, HCI_MGMT))
70da6243
JH		 7614 return 0;
7615
70da6243 7616 if (powered) {
229ab39c
JH		 7617 if (powered_update_hci(hdev) == 0)
7618 return 0;
fe038884 7619
229ab39c
JH		 7620 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
7621 &match);
7622 goto new_settings;
b24752fe
JH		 7623 }
7624
229ab39c 7625 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
9845904f
JH		 7626
7627 /* If the power off is because of hdev unregistration let
7628 * use the appropriate INVALID_INDEX status. Otherwise use
7629 * NOT_POWERED. We cover both scenarios here since later in
7630 * mgmt_index_removed() any hci_conn callbacks will have already
7631 * been triggered, potentially causing misleading DISCONNECTED
7632 * status responses.
7633 */
d7a5a11d 7634 if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
9845904f
JH		 7635 status = MGMT_STATUS_INVALID_INDEX;
7636 else
7637 status = MGMT_STATUS_NOT_POWERED;
7638
7639 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
229ab39c
JH		 7640
7641 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
f6b7712e
MH		 7642 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
7643 zero_cod, sizeof(zero_cod), NULL);
229ab39c
JH		 7644
7645new_settings:
beadb2bd 7646 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 7647
7648 if (match.sk)
7649 sock_put(match.sk);
7650
7bb895d6 7651 return err;
5add6af8 7652}
73f22f62 7653
3eec705e 7654void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc 7655{
3b0602cd 7656 struct mgmt_pending_cmd *cmd;
96570ffc
JH		 7657 u8 status;
7658
333ae95d 7659 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
96570ffc 7660 if (!cmd)
3eec705e 7661 return;
96570ffc
JH		 7662
7663 if (err == -ERFKILL)
7664 status = MGMT_STATUS_RFKILLED;
7665 else
7666 status = MGMT_STATUS_FAILED;
7667
a69e8375 7668 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 7669
7670 mgmt_pending_remove(cmd);
96570ffc
JH		 7671}
7672
d1967ff8
MH		 7673void mgmt_discoverable_timeout(struct hci_dev *hdev)
7674{
7675 struct hci_request req;
d1967ff8
MH		 7676
7677 hci_dev_lock(hdev);
7678
7679 /* When discoverable timeout triggers, then just make sure
7680 * the limited discoverable flag is cleared. Even in the case
7681 * of a timeout triggered from general discoverable, it is
7682 * safe to unconditionally clear the flag.
7683 */
a358dc11
MH		 7684 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
7685 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
d1967ff8
MH		 7686
7687 hci_req_init(&req, hdev);
d7a5a11d 7688 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
4b580614
JH		 7689 u8 scan = SCAN_PAGE;
7690 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
7691 sizeof(scan), &scan);
7692 }
d1967ff8 7693 update_class(&req);
24b4f38f
AU		 7694
7695 /* Advertising instances don't use the global discoverable setting, so
7696 * only update AD if advertising was enabled using Set Advertising.
7697 */
7698 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
7699 update_adv_data(&req);
7700
d1967ff8
MH		 7701 hci_req_run(&req, NULL);
7702
7703 hdev->discov_timeout = 0;
7704
9a43e25f
JH		 7705 new_settings(hdev, NULL);
7706
d1967ff8
MH		 7707 hci_dev_unlock(hdev);
7708}
7709
dc4a5ee2
MH		 7710void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
7711 bool persistent)
55ed8ca1 7712{
86742e1e 7713 struct mgmt_ev_new_link_key ev;
55ed8ca1 7714
a492cd52 7715 memset(&ev, 0, sizeof(ev));
55ed8ca1 7716
a492cd52 7717 ev.store_hint = persistent;
d753fdc4 7718 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 7719 ev.key.addr.type = BDADDR_BREDR;
a492cd52 7720 ev.key.type = key->type;
9b3b4460 7721 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 7722 ev.key.pin_len = key->pin_len;
55ed8ca1 7723
dc4a5ee2 7724 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 7725}
f7520543 7726
d7b25450
JH		 7727static u8 mgmt_ltk_type(struct smp_ltk *ltk)
7728{
23fb8de3
JH		 7729 switch (ltk->type) {
7730 case SMP_LTK:
7731 case SMP_LTK_SLAVE:
7732 if (ltk->authenticated)
7733 return MGMT_LTK_AUTHENTICATED;
7734 return MGMT_LTK_UNAUTHENTICATED;
7735 case SMP_LTK_P256:
7736 if (ltk->authenticated)
7737 return MGMT_LTK_P256_AUTH;
7738 return MGMT_LTK_P256_UNAUTH;
7739 case SMP_LTK_P256_DEBUG:
7740 return MGMT_LTK_P256_DEBUG;
7741 }
d7b25450
JH		 7742
7743 return MGMT_LTK_UNAUTHENTICATED;
7744}
7745
53ac6ab6 7746void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 7747{
7748 struct mgmt_ev_new_long_term_key ev;
7749
7750 memset(&ev, 0, sizeof(ev));
7751
5192d301 7752 /* Devices using resolvable or non-resolvable random addresses
f72186d2 7753 * without providing an identity resolving key don't require
5192d301
MH		 7754 * to store long term keys. Their addresses will change the
7755 * next time around.
7756 *
7757 * Only when a remote device provides an identity address
7758 * make sure the long term key is stored. If the remote
7759 * identity is known, the long term keys are internally
7760 * mapped to the identity address. So allow static random
7761 * and public addresses here.
7762 */
ba74b666
JH		 7763 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7764 (key->bdaddr.b[5] & 0xc0) != 0xc0)
7765 ev.store_hint = 0x00;
7766 else
53ac6ab6 7767 ev.store_hint = persistent;
ba74b666 7768
346af67b 7769 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 7770 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 7771 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 7772 ev.key.enc_size = key->enc_size;
7773 ev.key.ediv = key->ediv;
fe39c7b2 7774 ev.key.rand = key->rand;
346af67b 7775
2ceba539 7776 if (key->type == SMP_LTK)
346af67b
VCG		 7777 ev.key.master = 1;
7778
1fc62c52
JH		 7779 /* Make sure we copy only the significant bytes based on the
7780 * encryption key size, and set the rest of the value to zeroes.
7781 */
cb92205b 7782 memcpy(ev.key.val, key->val, key->enc_size);
1fc62c52
JH		 7783 memset(ev.key.val + key->enc_size, 0,
7784 sizeof(ev.key.val) - key->enc_size);
346af67b 7785
083368f7 7786 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 7787}
7788
cad20c27 7789void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent)
95fbac8a
JH		 7790{
7791 struct mgmt_ev_new_irk ev;
7792
7793 memset(&ev, 0, sizeof(ev));
7794
cad20c27 7795 ev.store_hint = persistent;
bab6d1e5 7796
95fbac8a
JH		 7797 bacpy(&ev.rpa, &irk->rpa);
7798 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
7799 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
7800 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
7801
7802 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
7803}
7804
53ac6ab6
MH		 7805void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
7806 bool persistent)
7ee4ea36
MH		 7807{
7808 struct mgmt_ev_new_csrk ev;
7809
7810 memset(&ev, 0, sizeof(ev));
7811
7812 /* Devices using resolvable or non-resolvable random addresses
f72186d2 7813 * without providing an identity resolving key don't require
7ee4ea36
MH		 7814 * to store signature resolving keys. Their addresses will change
7815 * the next time around.
7816 *
7817 * Only when a remote device provides an identity address
7818 * make sure the signature resolving key is stored. So allow
7819 * static random and public addresses here.
7820 */
7821 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7822 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
7823 ev.store_hint = 0x00;
7824 else
53ac6ab6 7825 ev.store_hint = persistent;
7ee4ea36
MH		 7826
7827 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
7828 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
4cd3928a 7829 ev.key.type = csrk->type;
7ee4ea36
MH		 7830 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
7831
7832 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
7833}
7834
ffb5a827 7835void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 7836 u8 bdaddr_type, u8 store_hint, u16 min_interval,
7837 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 7838{
7839 struct mgmt_ev_new_conn_param ev;
7840
c103aea6
JH		 7841 if (!hci_is_identity_address(bdaddr, bdaddr_type))
7842 return;
7843
ffb5a827
AG		 7844 memset(&ev, 0, sizeof(ev));
7845 bacpy(&ev.addr.bdaddr, bdaddr);
7846 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 7847 ev.store_hint = store_hint;
ffb5a827
AG		 7848 ev.min_interval = cpu_to_le16(min_interval);
7849 ev.max_interval = cpu_to_le16(max_interval);
7850 ev.latency = cpu_to_le16(latency);
7851 ev.timeout = cpu_to_le16(timeout);
7852
7853 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
7854}
7855
48ec92fa
AA		 7856void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
7857 u32 flags, u8 *name, u8 name_len)
f7520543 7858{
b644ba33
JH		 7859 char buf[512];
7860 struct mgmt_ev_device_connected *ev = (void *) buf;
7861 u16 eir_len = 0;
f7520543 7862
48ec92fa
AA		 7863 bacpy(&ev->addr.bdaddr, &conn->dst);
7864 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
f7520543 7865
c95f0ba7 7866 ev->flags = __cpu_to_le32(flags);
08c79b61 7867
fd45ada9
AA		 7868 /* We must ensure that the EIR Data fields are ordered and
7869 * unique. Keep it simple for now and avoid the problem by not
7870 * adding any BR/EDR data to the LE adv.
7871 */
7872 if (conn->le_adv_data_len > 0) {
7873 memcpy(&ev->eir[eir_len],
7874 conn->le_adv_data, conn->le_adv_data_len);
7875 eir_len = conn->le_adv_data_len;
7876 } else {
7877 if (name_len > 0)
7878 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
7879 name, name_len);
b644ba33 7880
ddbea5cf 7881 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
fd45ada9
AA		 7882 eir_len = eir_append_data(ev->eir, eir_len,
7883 EIR_CLASS_OF_DEV,
7884 conn->dev_class, 3);
7885 }
b644ba33 7886
eb55ef07 7887 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 7888
ecd90ae7
MH		 7889 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
7890 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 7891}
7892
3b0602cd 7893static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data)
8962ee74 7894{
8962ee74 7895 struct sock **sk = data;
8962ee74 7896
f5818c22 7897 cmd->cmd_complete(cmd, 0);
8962ee74
JH		 7898
7899 *sk = cmd->sk;
7900 sock_hold(*sk);
7901
a664b5bc 7902 mgmt_pending_remove(cmd);
8962ee74
JH		 7903}
7904
3b0602cd 7905static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data)
a8a1d19e 7906{
b1078ad0 7907 struct hci_dev *hdev = data;
124f6e35 7908 struct mgmt_cp_unpair_device *cp = cmd->param;
a8a1d19e 7909
b1078ad0
JH		 7910 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
7911
d8b7b1e4 7912 cmd->cmd_complete(cmd, 0);
a8a1d19e
JH		 7913 mgmt_pending_remove(cmd);
7914}
7915
84c61d92
JH		 7916bool mgmt_powering_down(struct hci_dev *hdev)
7917{
3b0602cd 7918 struct mgmt_pending_cmd *cmd;
84c61d92
JH		 7919 struct mgmt_mode *cp;
7920
333ae95d 7921 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
84c61d92
JH		 7922 if (!cmd)
7923 return false;
7924
7925 cp = cmd->param;
7926 if (!cp->val)
7927 return true;
7928
7929 return false;
7930}
7931
9b80ec5e 7932void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 7933 u8 link_type, u8 addr_type, u8 reason,
7934 bool mgmt_connected)
f7520543 7935{
f0d6a0ea 7936 struct mgmt_ev_device_disconnected ev;
8962ee74 7937 struct sock *sk = NULL;
8962ee74 7938
84c61d92
JH		 7939 /* The connection is still in hci_conn_hash so test for 1
7940 * instead of 0 to know if this is the last one.
7941 */
7942 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
7943 cancel_delayed_work(&hdev->power_off);
7944 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 7945 }
7946
12d4a3b2
JH		 7947 if (!mgmt_connected)
7948 return;
7949
57eb776f
AG		 7950 if (link_type != ACL_LINK && link_type != LE_LINK)
7951 return;
7952
744cf19e 7953 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 7954
f0d6a0ea
MA		 7955 bacpy(&ev.addr.bdaddr, bdaddr);
7956 ev.addr.type = link_to_bdaddr(link_type, addr_type);
7957 ev.reason = reason;
f7520543 7958
9b80ec5e 7959 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 7960
7961 if (sk)
d97dcb66 7962 sock_put(sk);
8962ee74 7963
124f6e35 7964 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 7965 hdev);
8962ee74
JH		 7966}
7967
7892924c
MH		 7968void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
7969 u8 link_type, u8 addr_type, u8 status)
8962ee74 7970{
3655bba8
AG		 7971 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
7972 struct mgmt_cp_disconnect *cp;
3b0602cd 7973 struct mgmt_pending_cmd *cmd;
8962ee74 7974
36a75f1b
JD		 7975 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
7976 hdev);
7977
333ae95d 7978 cmd = pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 7979 if (!cmd)
7892924c 7980 return;
8962ee74 7981
3655bba8
AG		 7982 cp = cmd->param;
7983
7984 if (bacmp(bdaddr, &cp->addr.bdaddr))
7985 return;
7986
7987 if (cp->addr.type != bdaddr_type)
7988 return;
7989
f5818c22 7990 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 7991 mgmt_pending_remove(cmd);
f7520543 7992}
17d5c04c 7993
445608d0
MH		 7994void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
7995 u8 addr_type, u8 status)
17d5c04c
JH		 7996{
7997 struct mgmt_ev_connect_failed ev;
c9910d0f 7998
84c61d92
JH		 7999 /* The connection is still in hci_conn_hash so test for 1
8000 * instead of 0 to know if this is the last one.
8001 */
8002 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
8003 cancel_delayed_work(&hdev->power_off);
8004 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 8005 }
17d5c04c 8006
4c659c39 8007 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8008 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 8009 ev.status = mgmt_status(status);
17d5c04c 8010
445608d0 8011 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 8012}
980e1a53 8013
ce0e4a0d 8014void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 8015{
8016 struct mgmt_ev_pin_code_request ev;
8017
d8457698 8018 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 8019 ev.addr.type = BDADDR_BREDR;
a770bb5a 8020 ev.secure = secure;
980e1a53 8021
ce0e4a0d 8022 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 8023}
8024
e669cf80
MH		 8025void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8026 u8 status)
980e1a53 8027{
3b0602cd 8028 struct mgmt_pending_cmd *cmd;
980e1a53 8029
333ae95d 8030 cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 8031 if (!cmd)
e669cf80 8032 return;
980e1a53 8033
7776d1d8 8034 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8035 mgmt_pending_remove(cmd);
980e1a53
JH		 8036}
8037
3eb38528
MH		 8038void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8039 u8 status)
980e1a53 8040{
3b0602cd 8041 struct mgmt_pending_cmd *cmd;
980e1a53 8042
333ae95d 8043 cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 8044 if (!cmd)
3eb38528 8045 return;
980e1a53 8046
7776d1d8 8047 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8048 mgmt_pending_remove(cmd);
980e1a53 8049}
a5c29683 8050
744cf19e 8051int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 8052 u8 link_type, u8 addr_type, u32 value,
04124681 8053 u8 confirm_hint)
a5c29683
JH		 8054{
8055 struct mgmt_ev_user_confirm_request ev;
8056
744cf19e 8057 BT_DBG("%s", hdev->name);
a5c29683 8058
272d90df 8059 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8060 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 8061 ev.confirm_hint = confirm_hint;
39adbffe 8062 ev.value = cpu_to_le32(value);
a5c29683 8063
744cf19e 8064 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 8065 NULL);
a5c29683
JH		 8066}
8067
272d90df 8068int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 8069 u8 link_type, u8 addr_type)
604086b7
BG		 8070{
8071 struct mgmt_ev_user_passkey_request ev;
8072
8073 BT_DBG("%s", hdev->name);
8074
272d90df 8075 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8076 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 8077
8078 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 8079 NULL);
604086b7
BG		 8080}
8081
0df4c185 8082static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 8083 u8 link_type, u8 addr_type, u8 status,
8084 u8 opcode)
a5c29683 8085{
3b0602cd 8086 struct mgmt_pending_cmd *cmd;
a5c29683 8087
333ae95d 8088 cmd = pending_find(opcode, hdev);
a5c29683
JH		 8089 if (!cmd)
8090 return -ENOENT;
8091
7776d1d8 8092 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8093 mgmt_pending_remove(cmd);
a5c29683 8094
7776d1d8 8095 return 0;
a5c29683
JH		 8096}
8097
744cf19e 8098int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8099 u8 link_type, u8 addr_type, u8 status)
a5c29683 8100{
272d90df 8101 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 8102 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 8103}
8104
272d90df 8105int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8106 u8 link_type, u8 addr_type, u8 status)
a5c29683 8107{
272d90df 8108 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 8109 status,
8110 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 8111}
2a611692 8112
604086b7 8113int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8114 u8 link_type, u8 addr_type, u8 status)
604086b7 8115{
272d90df 8116 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 8117 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 8118}
8119
272d90df 8120int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8121 u8 link_type, u8 addr_type, u8 status)
604086b7 8122{
272d90df 8123 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 8124 status,
8125 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 8126}
8127
92a25256
JH		 8128int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
8129 u8 link_type, u8 addr_type, u32 passkey,
8130 u8 entered)
8131{
8132 struct mgmt_ev_passkey_notify ev;
8133
8134 BT_DBG("%s", hdev->name);
8135
8136 bacpy(&ev.addr.bdaddr, bdaddr);
8137 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8138 ev.passkey = __cpu_to_le32(passkey);
8139 ev.entered = entered;
8140
8141 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
8142}
8143
e1e930f5 8144void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
2a611692
JH		 8145{
8146 struct mgmt_ev_auth_failed ev;
3b0602cd 8147 struct mgmt_pending_cmd *cmd;
e1e930f5 8148 u8 status = mgmt_status(hci_status);
2a611692 8149
e1e930f5
JH		 8150 bacpy(&ev.addr.bdaddr, &conn->dst);
8151 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
8152 ev.status = status;
2a611692 8153
e1e930f5
JH		 8154 cmd = find_pairing(conn);
8155
8156 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
8157 cmd ? cmd->sk : NULL);
8158
a511b35b
JH		 8159 if (cmd) {
8160 cmd->cmd_complete(cmd, status);
8161 mgmt_pending_remove(cmd);
8162 }
2a611692 8163}
b312b161 8164
464996ae 8165void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 8166{
8167 struct cmd_lookup match = { NULL, hdev };
464996ae 8168 bool changed;
33ef95ed
JH		 8169
8170 if (status) {
8171 u8 mgmt_err = mgmt_status(status);
8172 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 8173 cmd_status_rsp, &mgmt_err);
464996ae 8174 return;
33ef95ed
JH		 8175 }
8176
464996ae 8177 if (test_bit(HCI_AUTH, &hdev->flags))
238be788 8178 changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY);
464996ae 8179 else
a69d8927 8180 changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY);
47990ea0 8181
33ef95ed 8182 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 8183 &match);
33ef95ed 8184
47990ea0 8185 if (changed)
464996ae 8186 new_settings(hdev, match.sk);
33ef95ed
JH		 8187
8188 if (match.sk)
8189 sock_put(match.sk);
33ef95ed
JH		 8190}
8191
890ea898 8192static void clear_eir(struct hci_request *req)
cacaf52f 8193{
890ea898 8194 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 8195 struct hci_cp_write_eir cp;
8196
976eb20e 8197 if (!lmp_ext_inq_capable(hdev))
890ea898 8198 return;
cacaf52f 8199
c80da27e
JH		 8200 memset(hdev->eir, 0, sizeof(hdev->eir));
8201
cacaf52f
JH		 8202 memset(&cp, 0, sizeof(cp));
8203
890ea898 8204 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 8205}
8206
3e248560 8207void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 8208{
8209 struct cmd_lookup match = { NULL, hdev };
890ea898 8210 struct hci_request req;
c0ecddc2 8211 bool changed = false;
ed2c4ee3
JH		 8212
8213 if (status) {
8214 u8 mgmt_err = mgmt_status(status);
c0ecddc2 8215
a69d8927
MH		 8216 if (enable && hci_dev_test_and_clear_flag(hdev,
8217 HCI_SSP_ENABLED)) {
a358dc11 8218 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
3e248560 8219 new_settings(hdev, NULL);
9ecb3e24 8220 }
c0ecddc2 8221
04124681
GP		 8222 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
8223 &mgmt_err);
3e248560 8224 return;
c0ecddc2
JH		 8225 }
8226
8227 if (enable) {
238be788 8228 changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
c0ecddc2 8229 } else {
a69d8927 8230 changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
9ecb3e24 8231 if (!changed)
a69d8927
MH		 8232 changed = hci_dev_test_and_clear_flag(hdev,
8233 HCI_HS_ENABLED);
9ecb3e24 8234 else
a358dc11 8235 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
ed2c4ee3
JH		 8236 }
8237
8238 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
8239
c0ecddc2 8240 if (changed)
3e248560 8241 new_settings(hdev, match.sk);
ed2c4ee3 8242
5fc6ebb1 8243 if (match.sk)
ed2c4ee3
JH		 8244 sock_put(match.sk);
8245
890ea898
JH		 8246 hci_req_init(&req, hdev);
8247
d7a5a11d
MH		 8248 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
8249 if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 8250 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
8251 sizeof(enable), &enable);
890ea898 8252 update_eir(&req);
3769972b 8253 } else {
890ea898 8254 clear_eir(&req);
3769972b 8255 }
890ea898
JH		 8256
8257 hci_req_run(&req, NULL);
ed2c4ee3
JH		 8258}
8259
3b0602cd 8260static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
90e70454
JH		 8261{
8262 struct cmd_lookup *match = data;
8263
90e70454
JH		 8264 if (match->sk == NULL) {
8265 match->sk = cmd->sk;
8266 sock_hold(match->sk);
8267 }
90e70454
JH		 8268}
8269
4e1b0245
MH		 8270void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
8271 u8 status)
7f9a903c 8272{
90e70454 8273 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 8274
92da6097
JH		 8275 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
8276 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
8277 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 8278
8279 if (!status)
f6b7712e
MH		 8280 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
8281 dev_class, 3, NULL);
90e70454
JH		 8282
8283 if (match.sk)
8284 sock_put(match.sk);
7f9a903c
MH		 8285}
8286
7667da34 8287void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 8288{
b312b161 8289 struct mgmt_cp_set_local_name ev;
3b0602cd 8290 struct mgmt_pending_cmd *cmd;
28cc7bde 8291
13928971 8292 if (status)
7667da34 8293 return;
b312b161
JH		 8294
8295 memset(&ev, 0, sizeof(ev));
8296 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 8297 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 8298
333ae95d 8299 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 8300 if (!cmd) {
8301 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 8302
13928971
JH		 8303 /* If this is a HCI command related to powering on the
8304 * HCI dev don't send any mgmt signals.
8305 */
333ae95d 8306 if (pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 8307 return;
890ea898 8308 }
b312b161 8309
f6b7712e
MH		 8310 mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
8311 cmd ? cmd->sk : NULL);
b312b161 8312}
c35938b2 8313
799ce93d
JP		 8314static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
8315{
8316 int i;
8317
8318 for (i = 0; i < uuid_count; i++) {
8319 if (!memcmp(uuid, uuids[i], 16))
8320 return true;
8321 }
8322
8323 return false;
8324}
8325
b487b9ce
MH		 8326static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16])
8327{
799ce93d
JP		 8328 u16 parsed = 0;
8329
8330 while (parsed < eir_len) {
8331 u8 field_len = eir[0];
8332 u8 uuid[16];
8333 int i;
8334
8335 if (field_len == 0)
8336 break;
8337
8338 if (eir_len - parsed < field_len + 1)
8339 break;
8340
8341 switch (eir[1]) {
8342 case EIR_UUID16_ALL:
8343 case EIR_UUID16_SOME:
8344 for (i = 0; i + 3 <= field_len; i += 2) {
189f6ad2 8345 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 8346 uuid[13] = eir[i + 3];
8347 uuid[12] = eir[i + 2];
8348 if (has_uuid(uuid, uuid_count, uuids))
8349 return true;
8350 }
8351 break;
8352 case EIR_UUID32_ALL:
8353 case EIR_UUID32_SOME:
8354 for (i = 0; i + 5 <= field_len; i += 4) {
189f6ad2 8355 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 8356 uuid[15] = eir[i + 5];
8357 uuid[14] = eir[i + 4];
8358 uuid[13] = eir[i + 3];
8359 uuid[12] = eir[i + 2];
8360 if (has_uuid(uuid, uuid_count, uuids))
8361 return true;
8362 }
8363 break;
8364 case EIR_UUID128_ALL:
8365 case EIR_UUID128_SOME:
8366 for (i = 0; i + 17 <= field_len; i += 16) {
8367 memcpy(uuid, eir + i + 2, 16);
8368 if (has_uuid(uuid, uuid_count, uuids))
8369 return true;
8370 }
8371 break;
8372 }
8373
8374 parsed += field_len + 1;
8375 eir += field_len + 1;
8376 }
8377
b487b9ce
MH		 8378 return false;
8379}
8380
4b0e0ced
JP		 8381static void restart_le_scan(struct hci_dev *hdev)
8382{
8383 /* If controller is not scanning we are done. */
d7a5a11d 8384 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
4b0e0ced
JP		 8385 return;
8386
8387 if (time_after(jiffies + DISCOV_LE_RESTART_DELAY,
8388 hdev->discovery.scan_start +
8389 hdev->discovery.scan_duration))
8390 return;
8391
8392 queue_delayed_work(hdev->workqueue, &hdev->le_scan_restart,
8393 DISCOV_LE_RESTART_DELAY);
8394}
8395
48f86b7f
JP		 8396static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir,
8397 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 8398{
48f86b7f
JP		 8399 /* If a RSSI threshold has been specified, and
8400 * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with
8401 * a RSSI smaller than the RSSI threshold will be dropped. If the quirk
8402 * is set, let it through for further processing, as we might need to
8403 * restart the scan.
efb2513f
MH		 8404 *
8405 * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry,
8406 * the results are also dropped.
bda157a4
MH		 8407 */
8408 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
4b0e0ced
JP		 8409 (rssi == HCI_RSSI_INVALID ||
8410 (rssi < hdev->discovery.rssi &&
8411 !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks))))
48f86b7f 8412 return false;
efb2513f 8413
2976cdeb
JP		 8414 if (hdev->discovery.uuid_count != 0) {
8415 /* If a list of UUIDs is provided in filter, results with no
8416 * matching UUID should be dropped.
b487b9ce 8417 */
2976cdeb
JP		 8418 if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count,
8419 hdev->discovery.uuids) &&
8420 !eir_has_uuids(scan_rsp, scan_rsp_len,
8421 hdev->discovery.uuid_count,
8422 hdev->discovery.uuids))
8423 return false;
b487b9ce 8424 }
5d2e9fad 8425
2976cdeb
JP		 8426 /* If duplicate filtering does not report RSSI changes, then restart
8427 * scanning to ensure updated result with updated RSSI values.
4b0e0ced 8428 */
2976cdeb
JP		 8429 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) {
8430 restart_le_scan(hdev);
8431
8432 /* Validate RSSI value against the RSSI threshold once more. */
8433 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
8434 rssi < hdev->discovery.rssi)
8435 return false;
8436 }
48f86b7f
JP		 8437
8438 return true;
8439}
8440
8441void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8442 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
8443 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
8444{
8445 char buf[512];
8446 struct mgmt_ev_device_found *ev = (void *)buf;
8447 size_t ev_size;
8448
8449 /* Don't send events for a non-kernel initiated discovery. With
8450 * LE one exception is if we have pend_le_reports > 0 in which
8451 * case we're doing passive scanning and want these events.
8452 */
8453 if (!hci_discovery_active(hdev)) {
8454 if (link_type == ACL_LINK)
8455 return;
8456 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
8457 return;
8458 }
8459
82f8b651 8460 if (hdev->discovery.result_filtering) {
48f86b7f
JP		 8461 /* We are using service discovery */
8462 if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp,
8463 scan_rsp_len))
8464 return;
8465 }
8466
8467 /* Make sure that the buffer is big enough. The 5 extra bytes
8468 * are for the potential CoD field.
8469 */
8470 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
4b0e0ced
JP		 8471 return;
8472
48f86b7f
JP		 8473 memset(buf, 0, sizeof(buf));
8474
8475 /* In case of device discovery with BR/EDR devices (pre 1.2), the
8476 * RSSI value was reported as 0 when not available. This behavior
8477 * is kept when using device discovery. This is required for full
8478 * backwards compatibility with the API.
8479 *
8480 * However when using service discovery, the value 127 will be
8481 * returned when the RSSI is not available.
8482 */
8483 if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi &&
8484 link_type == ACL_LINK)
8485 rssi = 0;
8486
8487 bacpy(&ev->addr.bdaddr, bdaddr);
8488 ev->addr.type = link_to_bdaddr(link_type, addr_type);
8489 ev->rssi = rssi;
8490 ev->flags = cpu_to_le32(flags);
8491
8492 if (eir_len > 0)
8493 /* Copy EIR or advertising data into event */
8494 memcpy(ev->eir, eir, eir_len);
8495
8496 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
8497 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
8498 dev_class, 3);
8499
8500 if (scan_rsp_len > 0)
8501 /* Append scan response data to event */
8502 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
8503
5d2e9fad
JH		 8504 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
8505 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 8506
901801b9 8507 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 8508}
a88a9652 8509
9cf12aee
MH		 8510void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8511 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 8512{
b644ba33
JH		 8513 struct mgmt_ev_device_found *ev;
8514 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
8515 u16 eir_len;
a88a9652 8516
b644ba33 8517 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 8518
b644ba33
JH		 8519 memset(buf, 0, sizeof(buf));
8520
8521 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 8522 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 8523 ev->rssi = rssi;
8524
8525 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 8526 name_len);
b644ba33 8527
eb55ef07 8528 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 8529
9cf12aee 8530 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 8531}
314b2381 8532
2f1e063b 8533void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 8534{
f963e8e9 8535 struct mgmt_ev_discovering ev;
164a6e78 8536
343fb145
AG		 8537 BT_DBG("%s discovering %u", hdev->name, discovering);
8538
f963e8e9
JH		 8539 memset(&ev, 0, sizeof(ev));
8540 ev.type = hdev->discovery.type;
8541 ev.discovering = discovering;
8542
2f1e063b 8543 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 8544}
5e762444 8545
1904a853 8546static void adv_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5976e608
MH		 8547{
8548 BT_DBG("%s status %u", hdev->name, status);
5976e608
MH		 8549}
8550
8551void mgmt_reenable_advertising(struct hci_dev *hdev)
8552{
8553 struct hci_request req;
eb6f95f9 8554 u8 instance;
5976e608 8555
24b4f38f
AU		 8556 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
8557 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
5976e608
MH		 8558 return;
8559
eb6f95f9
FG		 8560 instance = get_current_adv_instance(hdev);
8561
5976e608 8562 hci_req_init(&req, hdev);
eb6f95f9
FG		 8563
8564 if (instance) {
8565 schedule_adv_instance(&req, instance, true);
8566 } else {
8567 update_adv_data(&req);
8568 update_scan_rsp_data(&req);
8569 enable_advertising(&req);
8570 }
8571
0ec5ae84 8572 hci_req_run(&req, adv_enable_complete);
5976e608 8573}
6d785aa3
JH		 8574
8575static struct hci_mgmt_chan chan = {
8576 .channel = HCI_CHANNEL_CONTROL,
8577 .handler_count = ARRAY_SIZE(mgmt_handlers),
8578 .handlers = mgmt_handlers,
88b94ce9 8579 .hdev_init = mgmt_init_hdev,
6d785aa3
JH		 8580};
8581
8582int mgmt_init(void)
8583{
8584 return hci_mgmt_chan_register(&chan);
8585}
8586
8587void mgmt_exit(void)
8588{
8589 hci_mgmt_chan_unregister(&chan);
8590}
Linux kernel - Deliverables
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