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Bluetooth: Queue diagnostic messages together with HCI packets
[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
04124681
GP		 271static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
272 u16 data_len)
a38528f1
JH		 273{
274 struct mgmt_rp_read_version rp;
275
276 BT_DBG("sock %p", sk);
277
278 rp.version = MGMT_VERSION;
dcf4adbf 279 rp.revision = cpu_to_le16(MGMT_REVISION);
a38528f1 280
2a1afb5a
JH		 281 return mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0,
282 &rp, sizeof(rp));
a38528f1
JH		 283}
284
04124681
GP		 285static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
286 u16 data_len)
e70bb2e8
JH		 287{
288 struct mgmt_rp_read_commands *rp;
99c679ac 289 u16 num_commands, num_events;
e70bb2e8
JH		 290 size_t rp_size;
291 int i, err;
292
293 BT_DBG("sock %p", sk);
294
99c679ac
MH		 295 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
296 num_commands = ARRAY_SIZE(mgmt_commands);
297 num_events = ARRAY_SIZE(mgmt_events);
298 } else {
299 num_commands = ARRAY_SIZE(mgmt_untrusted_commands);
300 num_events = ARRAY_SIZE(mgmt_untrusted_events);
301 }
302
e70bb2e8
JH		 303 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
304
305 rp = kmalloc(rp_size, GFP_KERNEL);
306 if (!rp)
307 return -ENOMEM;
308
dcf4adbf
JP		 309 rp->num_commands = cpu_to_le16(num_commands);
310 rp->num_events = cpu_to_le16(num_events);
e70bb2e8 311
99c679ac
MH		 312 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
313 __le16 *opcode = rp->opcodes;
314
315 for (i = 0; i < num_commands; i++, opcode++)
316 put_unaligned_le16(mgmt_commands[i], opcode);
e70bb2e8 317
99c679ac
MH		 318 for (i = 0; i < num_events; i++, opcode++)
319 put_unaligned_le16(mgmt_events[i], opcode);
320 } else {
321 __le16 *opcode = rp->opcodes;
322
323 for (i = 0; i < num_commands; i++, opcode++)
324 put_unaligned_le16(mgmt_untrusted_commands[i], opcode);
325
326 for (i = 0; i < num_events; i++, opcode++)
327 put_unaligned_le16(mgmt_untrusted_events[i], opcode);
328 }
e70bb2e8 329
2a1afb5a
JH		 330 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0,
331 rp, rp_size);
e70bb2e8
JH		 332 kfree(rp);
333
334 return err;
335}
336
04124681
GP		 337static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
338 u16 data_len)
faba42eb 339{
faba42eb 340 struct mgmt_rp_read_index_list *rp;
8035ded4 341 struct hci_dev *d;
a38528f1 342 size_t rp_len;
faba42eb 343 u16 count;
476e44cb 344 int err;
faba42eb
JH		 345
346 BT_DBG("sock %p", sk);
347
348 read_lock(&hci_dev_list_lock);
349
350 count = 0;
bb4b2a9a 351 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a 352 if (d->dev_type == HCI_BREDR &&
d7a5a11d 353 !hci_dev_test_flag(d, HCI_UNCONFIGURED))
1514b892 354 count++;
faba42eb
JH		 355 }
356
a38528f1
JH		 357 rp_len = sizeof(*rp) + (2 * count);
358 rp = kmalloc(rp_len, GFP_ATOMIC);
359 if (!rp) {
b2c60d42 360 read_unlock(&hci_dev_list_lock);
faba42eb 361 return -ENOMEM;
b2c60d42 362 }
faba42eb 363
476e44cb 364 count = 0;
8035ded4 365 list_for_each_entry(d, &hci_dev_list, list) {
d7a5a11d
MH		 366 if (hci_dev_test_flag(d, HCI_SETUP) ||
367 hci_dev_test_flag(d, HCI_CONFIG) ||
368 hci_dev_test_flag(d, HCI_USER_CHANNEL))
ab81cbf9
JH		 369 continue;
370
73d1df2a
MH		 371 /* Devices marked as raw-only are neither configured
372 * nor unconfigured controllers.
373 */
374 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
fee746b0
MH		 375 continue;
376
73d1df2a 377 if (d->dev_type == HCI_BREDR &&
d7a5a11d 378 !hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
1514b892
MH		 379 rp->index[count++] = cpu_to_le16(d->id);
380 BT_DBG("Added hci%u", d->id);
381 }
faba42eb
JH		 382 }
383
476e44cb
JH		 384 rp->num_controllers = cpu_to_le16(count);
385 rp_len = sizeof(*rp) + (2 * count);
386
faba42eb
JH		 387 read_unlock(&hci_dev_list_lock);
388
2a1afb5a
JH		 389 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST,
390 0, rp, rp_len);
faba42eb 391
a38528f1
JH		 392 kfree(rp);
393
394 return err;
faba42eb
JH		 395}
396
73d1df2a
MH		 397static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
398 void *data, u16 data_len)
399{
400 struct mgmt_rp_read_unconf_index_list *rp;
401 struct hci_dev *d;
402 size_t rp_len;
403 u16 count;
404 int err;
405
406 BT_DBG("sock %p", sk);
407
408 read_lock(&hci_dev_list_lock);
409
410 count = 0;
411 list_for_each_entry(d, &hci_dev_list, list) {
412 if (d->dev_type == HCI_BREDR &&
d7a5a11d 413 hci_dev_test_flag(d, HCI_UNCONFIGURED))
73d1df2a
MH		 414 count++;
415 }
416
417 rp_len = sizeof(*rp) + (2 * count);
418 rp = kmalloc(rp_len, GFP_ATOMIC);
419 if (!rp) {
420 read_unlock(&hci_dev_list_lock);
421 return -ENOMEM;
422 }
423
424 count = 0;
425 list_for_each_entry(d, &hci_dev_list, list) {
d7a5a11d
MH		 426 if (hci_dev_test_flag(d, HCI_SETUP) ||
427 hci_dev_test_flag(d, HCI_CONFIG) ||
428 hci_dev_test_flag(d, HCI_USER_CHANNEL))
73d1df2a
MH		 429 continue;
430
431 /* Devices marked as raw-only are neither configured
432 * nor unconfigured controllers.
433 */
434 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
435 continue;
436
437 if (d->dev_type == HCI_BREDR &&
d7a5a11d 438 hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
73d1df2a
MH		 439 rp->index[count++] = cpu_to_le16(d->id);
440 BT_DBG("Added hci%u", d->id);
441 }
442 }
443
444 rp->num_controllers = cpu_to_le16(count);
445 rp_len = sizeof(*rp) + (2 * count);
446
447 read_unlock(&hci_dev_list_lock);
448
2a1afb5a
JH		 449 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
450 MGMT_OP_READ_UNCONF_INDEX_LIST, 0, rp, rp_len);
73d1df2a
MH		 451
452 kfree(rp);
453
454 return err;
455}
456
96f1474a
MH		 457static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
458 void *data, u16 data_len)
459{
460 struct mgmt_rp_read_ext_index_list *rp;
461 struct hci_dev *d;
462 size_t rp_len;
463 u16 count;
464 int err;
465
466 BT_DBG("sock %p", sk);
467
468 read_lock(&hci_dev_list_lock);
469
470 count = 0;
471 list_for_each_entry(d, &hci_dev_list, list) {
472 if (d->dev_type == HCI_BREDR || d->dev_type == HCI_AMP)
473 count++;
474 }
475
476 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
477 rp = kmalloc(rp_len, GFP_ATOMIC);
478 if (!rp) {
479 read_unlock(&hci_dev_list_lock);
480 return -ENOMEM;
481 }
482
483 count = 0;
484 list_for_each_entry(d, &hci_dev_list, list) {
485 if (hci_dev_test_flag(d, HCI_SETUP) ||
486 hci_dev_test_flag(d, HCI_CONFIG) ||
487 hci_dev_test_flag(d, HCI_USER_CHANNEL))
488 continue;
489
490 /* Devices marked as raw-only are neither configured
491 * nor unconfigured controllers.
492 */
493 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
494 continue;
495
496 if (d->dev_type == HCI_BREDR) {
497 if (hci_dev_test_flag(d, HCI_UNCONFIGURED))
498 rp->entry[count].type = 0x01;
499 else
500 rp->entry[count].type = 0x00;
501 } else if (d->dev_type == HCI_AMP) {
502 rp->entry[count].type = 0x02;
503 } else {
504 continue;
505 }
506
507 rp->entry[count].bus = d->bus;
508 rp->entry[count++].index = cpu_to_le16(d->id);
509 BT_DBG("Added hci%u", d->id);
510 }
511
512 rp->num_controllers = cpu_to_le16(count);
513 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
514
515 read_unlock(&hci_dev_list_lock);
516
517 /* If this command is called at least once, then all the
518 * default index and unconfigured index events are disabled
519 * and from now on only extended index events are used.
520 */
521 hci_sock_set_flag(sk, HCI_MGMT_EXT_INDEX_EVENTS);
522 hci_sock_clear_flag(sk, HCI_MGMT_INDEX_EVENTS);
523 hci_sock_clear_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS);
524
525 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
526 MGMT_OP_READ_EXT_INDEX_LIST, 0, rp, rp_len);
527
528 kfree(rp);
529
530 return err;
531}
532
dbece37a
MH		 533static bool is_configured(struct hci_dev *hdev)
534{
535 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
d7a5a11d 536 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
dbece37a
MH		 537 return false;
538
539 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
540 !bacmp(&hdev->public_addr, BDADDR_ANY))
541 return false;
542
543 return true;
544}
545
89bc22d2
MH		 546static __le32 get_missing_options(struct hci_dev *hdev)
547{
548 u32 options = 0;
549
dbece37a 550 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
d7a5a11d 551 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
eb1904f4
MH		 552 options |= MGMT_OPTION_EXTERNAL_CONFIG;
553
89bc22d2
MH		 554 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
555 !bacmp(&hdev->public_addr, BDADDR_ANY))
556 options |= MGMT_OPTION_PUBLIC_ADDRESS;
557
558 return cpu_to_le32(options);
559}
560
f4537c04
MH		 561static int new_options(struct hci_dev *hdev, struct sock *skip)
562{
563 __le32 options = get_missing_options(hdev);
564
f6b7712e
MH		 565 return mgmt_generic_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
566 sizeof(options), skip);
f4537c04
MH		 567}
568
dbece37a
MH		 569static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
570{
571 __le32 options = get_missing_options(hdev);
572
2a1afb5a
JH		 573 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &options,
574 sizeof(options));
dbece37a
MH		 575}
576
9fc3bfb6
MH		 577static int read_config_info(struct sock *sk, struct hci_dev *hdev,
578 void *data, u16 data_len)
579{
580 struct mgmt_rp_read_config_info rp;
89bc22d2 581 u32 options = 0;
9fc3bfb6
MH		 582
583 BT_DBG("sock %p %s", sk, hdev->name);
584
585 hci_dev_lock(hdev);
586
587 memset(&rp, 0, sizeof(rp));
588 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
89bc22d2 589
eb1904f4
MH		 590 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
591 options |= MGMT_OPTION_EXTERNAL_CONFIG;
592
9fc3bfb6 593 if (hdev->set_bdaddr)
89bc22d2
MH		 594 options |= MGMT_OPTION_PUBLIC_ADDRESS;
595
596 rp.supported_options = cpu_to_le32(options);
597 rp.missing_options = get_missing_options(hdev);
9fc3bfb6
MH		 598
599 hci_dev_unlock(hdev);
600
2a1afb5a
JH		 601 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0,
602 &rp, sizeof(rp));
9fc3bfb6
MH		 603}
604
69ab39ea
JH		 605static u32 get_supported_settings(struct hci_dev *hdev)
606{
607 u32 settings = 0;
608
609 settings |= MGMT_SETTING_POWERED;
b2939475 610 settings |= MGMT_SETTING_BONDABLE;
b1de97d8 611 settings |= MGMT_SETTING_DEBUG_KEYS;
3742abfc
JH		 612 settings |= MGMT_SETTING_CONNECTABLE;
613 settings |= MGMT_SETTING_DISCOVERABLE;
69ab39ea 614
ed3fa31f 615 if (lmp_bredr_capable(hdev)) {
1a47aee8
JH		 616 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
617 settings |= MGMT_SETTING_FAST_CONNECTABLE;
69ab39ea
JH		 618 settings |= MGMT_SETTING_BREDR;
619 settings |= MGMT_SETTING_LINK_SECURITY;
a82974c9
MH		 620
621 if (lmp_ssp_capable(hdev)) {
622 settings |= MGMT_SETTING_SSP;
623 settings |= MGMT_SETTING_HS;
624 }
e98d2ce2 625
05b3c3e7 626 if (lmp_sc_capable(hdev))
e98d2ce2 627 settings |= MGMT_SETTING_SECURE_CONN;
848566b3 628 }
d7b7e796 629
eeca6f89 630 if (lmp_le_capable(hdev)) {
9d42820f 631 settings |= MGMT_SETTING_LE;
eeca6f89 632 settings |= MGMT_SETTING_ADVERTISING;
a3209694 633 settings |= MGMT_SETTING_SECURE_CONN;
0f4bd942 634 settings |= MGMT_SETTING_PRIVACY;
93690c22 635 settings |= MGMT_SETTING_STATIC_ADDRESS;
eeca6f89 636 }
69ab39ea 637
eb1904f4
MH		 638 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
639 hdev->set_bdaddr)
9fc3bfb6
MH		 640 settings |= MGMT_SETTING_CONFIGURATION;
641
69ab39ea
JH		 642 return settings;
643}
644
645static u32 get_current_settings(struct hci_dev *hdev)
646{
647 u32 settings = 0;
648
f1f0eb02 649 if (hdev_is_powered(hdev))
f0d4b78a
MH		 650 settings |= MGMT_SETTING_POWERED;
651
d7a5a11d 652 if (hci_dev_test_flag(hdev, HCI_CONNECTABLE))
69ab39ea
JH		 653 settings |= MGMT_SETTING_CONNECTABLE;
654
d7a5a11d 655 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
1a4d3c4b
JH		 656 settings |= MGMT_SETTING_FAST_CONNECTABLE;
657
d7a5a11d 658 if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
69ab39ea
JH		 659 settings |= MGMT_SETTING_DISCOVERABLE;
660
d7a5a11d 661 if (hci_dev_test_flag(hdev, HCI_BONDABLE))
b2939475 662 settings |= MGMT_SETTING_BONDABLE;
69ab39ea 663
d7a5a11d 664 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
69ab39ea
JH		 665 settings |= MGMT_SETTING_BREDR;
666
d7a5a11d 667 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
69ab39ea
JH		 668 settings |= MGMT_SETTING_LE;
669
d7a5a11d 670 if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY))
69ab39ea
JH		 671 settings |= MGMT_SETTING_LINK_SECURITY;
672
d7a5a11d 673 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
69ab39ea
JH		 674 settings |= MGMT_SETTING_SSP;
675
d7a5a11d 676 if (hci_dev_test_flag(hdev, HCI_HS_ENABLED))
6d80dfd0
JH		 677 settings |= MGMT_SETTING_HS;
678
d7a5a11d 679 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
eeca6f89
JH		 680 settings |= MGMT_SETTING_ADVERTISING;
681
d7a5a11d 682 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED))
e98d2ce2
MH		 683 settings |= MGMT_SETTING_SECURE_CONN;
684
d7a5a11d 685 if (hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS))
b1de97d8
MH		 686 settings |= MGMT_SETTING_DEBUG_KEYS;
687
d7a5a11d 688 if (hci_dev_test_flag(hdev, HCI_PRIVACY))
0f4bd942
JH		 689 settings |= MGMT_SETTING_PRIVACY;
690
93690c22
MH		 691 /* The current setting for static address has two purposes. The
692 * first is to indicate if the static address will be used and
693 * the second is to indicate if it is actually set.
694 *
695 * This means if the static address is not configured, this flag
08dc0e98 696 * will never be set. If the address is configured, then if the
93690c22
MH		 697 * address is actually used decides if the flag is set or not.
698 *
699 * For single mode LE only controllers and dual-mode controllers
700 * with BR/EDR disabled, the existence of the static address will
701 * be evaluated.
702 */
b7cb93e5 703 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
d7a5a11d 704 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
93690c22
MH		 705 !bacmp(&hdev->bdaddr, BDADDR_ANY)) {
706 if (bacmp(&hdev->static_addr, BDADDR_ANY))
707 settings |= MGMT_SETTING_STATIC_ADDRESS;
708 }
709
69ab39ea
JH		 710 return settings;
711}
712
ef580372
JH		 713#define PNP_INFO_SVCLASS_ID 0x1200
714
213202ed
JH		 715static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
716{
717 u8 *ptr = data, *uuids_start = NULL;
718 struct bt_uuid *uuid;
719
720 if (len < 4)
721 return ptr;
722
723 list_for_each_entry(uuid, &hdev->uuids, list) {
724 u16 uuid16;
725
726 if (uuid->size != 16)
727 continue;
728
729 uuid16 = get_unaligned_le16(&uuid->uuid[12]);
730 if (uuid16 < 0x1100)
731 continue;
732
733 if (uuid16 == PNP_INFO_SVCLASS_ID)
734 continue;
735
736 if (!uuids_start) {
737 uuids_start = ptr;
738 uuids_start[0] = 1;
739 uuids_start[1] = EIR_UUID16_ALL;
740 ptr += 2;
741 }
742
743 /* Stop if not enough space to put next UUID */
744 if ((ptr - data) + sizeof(u16) > len) {
745 uuids_start[1] = EIR_UUID16_SOME;
746 break;
747 }
748
749 *ptr++ = (uuid16 & 0x00ff);
750 *ptr++ = (uuid16 & 0xff00) >> 8;
751 uuids_start[0] += sizeof(uuid16);
752 }
753
754 return ptr;
755}
756
cdf1963f
JH		 757static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
758{
759 u8 *ptr = data, *uuids_start = NULL;
760 struct bt_uuid *uuid;
761
762 if (len < 6)
763 return ptr;
764
765 list_for_each_entry(uuid, &hdev->uuids, list) {
766 if (uuid->size != 32)
767 continue;
768
769 if (!uuids_start) {
770 uuids_start = ptr;
771 uuids_start[0] = 1;
772 uuids_start[1] = EIR_UUID32_ALL;
773 ptr += 2;
774 }
775
776 /* Stop if not enough space to put next UUID */
777 if ((ptr - data) + sizeof(u32) > len) {
778 uuids_start[1] = EIR_UUID32_SOME;
779 break;
780 }
781
782 memcpy(ptr, &uuid->uuid[12], sizeof(u32));
783 ptr += sizeof(u32);
784 uuids_start[0] += sizeof(u32);
785 }
786
787 return ptr;
788}
789
c00d575b
JH		 790static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
791{
792 u8 *ptr = data, *uuids_start = NULL;
793 struct bt_uuid *uuid;
794
795 if (len < 18)
796 return ptr;
797
798 list_for_each_entry(uuid, &hdev->uuids, list) {
799 if (uuid->size != 128)
800 continue;
801
802 if (!uuids_start) {
803 uuids_start = ptr;
804 uuids_start[0] = 1;
805 uuids_start[1] = EIR_UUID128_ALL;
806 ptr += 2;
807 }
808
809 /* Stop if not enough space to put next UUID */
810 if ((ptr - data) + 16 > len) {
811 uuids_start[1] = EIR_UUID128_SOME;
812 break;
813 }
814
815 memcpy(ptr, uuid->uuid, 16);
816 ptr += 16;
817 uuids_start[0] += 16;
818 }
819
820 return ptr;
821}
822
333ae95d
JH		 823static struct mgmt_pending_cmd *pending_find(u16 opcode, struct hci_dev *hdev)
824{
825 return mgmt_pending_find(HCI_CHANNEL_CONTROL, opcode, hdev);
826}
827
333ae95d
JH		 828static struct mgmt_pending_cmd *pending_find_data(u16 opcode,
829 struct hci_dev *hdev,
830 const void *data)
831{
832 return mgmt_pending_find_data(HCI_CHANNEL_CONTROL, opcode, hdev, data);
833}
834
91aa9bb2
FG		 835static u8 get_current_adv_instance(struct hci_dev *hdev)
836{
837 /* The "Set Advertising" setting supersedes the "Add Advertising"
838 * setting. Here we set the advertising data based on which
839 * setting was set. When neither apply, default to the global settings,
840 * represented by instance "0".
841 */
842 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
843 !hci_dev_test_flag(hdev, HCI_ADVERTISING))
3ff37e6b 844 return hdev->cur_adv_instance;
91aa9bb2
FG		 845
846 return 0x00;
847}
848
4117ed70 849static u8 create_default_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
f14d8f64 850{
7a5f4990
MH		 851 u8 ad_len = 0;
852 size_t name_len;
853
854 name_len = strlen(hdev->dev_name);
855 if (name_len > 0) {
856 size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
857
858 if (name_len > max_len) {
859 name_len = max_len;
860 ptr[1] = EIR_NAME_SHORT;
861 } else
862 ptr[1] = EIR_NAME_COMPLETE;
863
864 ptr[0] = name_len + 1;
865
866 memcpy(ptr + 2, hdev->dev_name, name_len);
867
868 ad_len += (name_len + 2);
869 ptr += (name_len + 2);
870 }
871
872 return ad_len;
f14d8f64
MH		 873}
874
ca21fbe9
FG		 875static u8 create_instance_scan_rsp_data(struct hci_dev *hdev, u8 instance,
876 u8 *ptr)
4117ed70 877{
ca21fbe9
FG		 878 struct adv_info *adv_instance;
879
880 adv_instance = hci_find_adv_instance(hdev, instance);
881 if (!adv_instance)
882 return 0;
883
4117ed70
AU		 884 /* TODO: Set the appropriate entries based on advertising instance flags
885 * here once flags other than 0 are supported.
886 */
ca21fbe9
FG		 887 memcpy(ptr, adv_instance->scan_rsp_data,
888 adv_instance->scan_rsp_len);
4117ed70 889
ca21fbe9 890 return adv_instance->scan_rsp_len;
4117ed70
AU		 891}
892
efae002c 893static void update_inst_scan_rsp_data(struct hci_request *req, u8 instance)
f14d8f64
MH		 894{
895 struct hci_dev *hdev = req->hdev;
896 struct hci_cp_le_set_scan_rsp_data cp;
897 u8 len;
898
d7a5a11d 899 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
f14d8f64
MH		 900 return;
901
902 memset(&cp, 0, sizeof(cp));
903
4117ed70 904 if (instance)
ca21fbe9 905 len = create_instance_scan_rsp_data(hdev, instance, cp.data);
4117ed70
AU		 906 else
907 len = create_default_scan_rsp_data(hdev, cp.data);
f14d8f64 908
eb438b5f 909 if (hdev->scan_rsp_data_len == len &&
4117ed70 910 !memcmp(cp.data, hdev->scan_rsp_data, len))
f14d8f64
MH		 911 return;
912
eb438b5f
JH		 913 memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
914 hdev->scan_rsp_data_len = len;
f14d8f64
MH		 915
916 cp.length = len;
917
918 hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp);
919}
920
4117ed70
AU		 921static void update_scan_rsp_data(struct hci_request *req)
922{
efae002c 923 update_inst_scan_rsp_data(req, get_current_adv_instance(req->hdev));
4117ed70
AU		 924}
925
9a43e25f
JH		 926static u8 get_adv_discov_flags(struct hci_dev *hdev)
927{
3b0602cd 928 struct mgmt_pending_cmd *cmd;
9a43e25f
JH		 929
930 /* If there's a pending mgmt command the flags will not yet have
931 * their final values, so check for this first.
932 */
333ae95d 933 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
9a43e25f
JH		 934 if (cmd) {
935 struct mgmt_mode *cp = cmd->param;
936 if (cp->val == 0x01)
937 return LE_AD_GENERAL;
938 else if (cp->val == 0x02)
939 return LE_AD_LIMITED;
940 } else {
d7a5a11d 941 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
9a43e25f 942 return LE_AD_LIMITED;
d7a5a11d 943 else if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
9a43e25f
JH		 944 return LE_AD_GENERAL;
945 }
946
947 return 0;
948}
949
fdf51784
AU		 950static bool get_connectable(struct hci_dev *hdev)
951{
952 struct mgmt_pending_cmd *cmd;
441ad2d0 953
fdf51784
AU		 954 /* If there's a pending mgmt command the flag will not yet have
955 * it's final value, so check for this first.
956 */
957 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
958 if (cmd) {
959 struct mgmt_mode *cp = cmd->param;
441ad2d0 960
fdf51784 961 return cp->val;
441ad2d0
MH		 962 }
963
fdf51784
AU		 964 return hci_dev_test_flag(hdev, HCI_CONNECTABLE);
965}
441ad2d0 966
fdf51784
AU		 967static u32 get_adv_instance_flags(struct hci_dev *hdev, u8 instance)
968{
969 u32 flags;
411b4121 970 struct adv_info *adv_instance;
441ad2d0 971
bea28e65
FG		 972 if (instance == 0x00) {
973 /* Instance 0 always manages the "Tx Power" and "Flags"
974 * fields
975 */
976 flags = MGMT_ADV_FLAG_TX_POWER | MGMT_ADV_FLAG_MANAGED_FLAGS;
411b4121 977
bea28e65
FG		 978 /* For instance 0, the HCI_ADVERTISING_CONNECTABLE setting
979 * corresponds to the "connectable" instance flag.
980 */
981 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE))
982 flags |= MGMT_ADV_FLAG_CONNECTABLE;
fdf51784 983
bea28e65 984 return flags;
411b4121 985 }
fdf51784 986
bea28e65 987 adv_instance = hci_find_adv_instance(hdev, instance);
fdf51784 988
bea28e65
FG		 989 /* Return 0 when we got an invalid instance identifier. */
990 if (!adv_instance)
991 return 0;
fdf51784 992
bea28e65 993 return adv_instance->flags;
441ad2d0
MH		 994}
995
7b683b74 996static u8 get_cur_adv_instance_scan_rsp_len(struct hci_dev *hdev)
c7d4883b 997{
7b683b74
FG		 998 u8 instance = get_current_adv_instance(hdev);
999 struct adv_info *adv_instance;
1000
1001 /* Ignore instance 0 */
1002 if (instance == 0x00)
1003 return 0;
1004
1005 adv_instance = hci_find_adv_instance(hdev, instance);
1006 if (!adv_instance)
c7d4883b
AU		 1007 return 0;
1008
1009 /* TODO: Take into account the "appearance" and "local-name" flags here.
1010 * These are currently being ignored as they are not supported.
1011 */
7b683b74 1012 return adv_instance->scan_rsp_len;
c7d4883b
AU		 1013}
1014
fdf51784 1015static u8 create_instance_adv_data(struct hci_dev *hdev, u8 instance, u8 *ptr)
24b4f38f 1016{
f63ba24b 1017 struct adv_info *adv_instance = NULL;
b44133ff 1018 u8 ad_len = 0, flags = 0;
f63ba24b
FG		 1019 u32 instance_flags;
1020
1021 /* Return 0 when the current instance identifier is invalid. */
1022 if (instance) {
1023 adv_instance = hci_find_adv_instance(hdev, instance);
1024 if (!adv_instance)
1025 return 0;
1026 }
1027
1028 instance_flags = get_adv_instance_flags(hdev, instance);
b44133ff 1029
807ec772
AU		 1030 /* The Add Advertising command allows userspace to set both the general
1031 * and limited discoverable flags.
1032 */
fdf51784 1033 if (instance_flags & MGMT_ADV_FLAG_DISCOV)
b44133ff
AU		 1034 flags |= LE_AD_GENERAL;
1035
fdf51784 1036 if (instance_flags & MGMT_ADV_FLAG_LIMITED_DISCOV)
807ec772
AU		 1037 flags |= LE_AD_LIMITED;
1038
fdf51784 1039 if (flags || (instance_flags & MGMT_ADV_FLAG_MANAGED_FLAGS)) {
67e0c0cd
AU		 1040 /* If a discovery flag wasn't provided, simply use the global
1041 * settings.
1042 */
1043 if (!flags)
1044 flags |= get_adv_discov_flags(hdev);
1045
b44133ff
AU		 1046 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
1047 flags |= LE_AD_NO_BREDR;
1048
fdf51784
AU		 1049 /* If flags would still be empty, then there is no need to
1050 * include the "Flags" AD field".
1051 */
1052 if (flags) {
1053 ptr[0] = 0x02;
1054 ptr[1] = EIR_FLAGS;
1055 ptr[2] = flags;
b44133ff 1056
fdf51784
AU		 1057 ad_len += 3;
1058 ptr += 3;
1059 }
b44133ff
AU		 1060 }
1061
f63ba24b
FG		 1062 if (adv_instance) {
1063 memcpy(ptr, adv_instance->adv_data,
1064 adv_instance->adv_data_len);
1065 ad_len += adv_instance->adv_data_len;
1066 ptr += adv_instance->adv_data_len;
38c8af60
MH		 1067 }
1068
fdf51784 1069 /* Provide Tx Power only if we can provide a valid value for it */
5507e358 1070 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID &&
fdf51784 1071 (instance_flags & MGMT_ADV_FLAG_TX_POWER)) {
5507e358
AU		 1072 ptr[0] = 0x02;
1073 ptr[1] = EIR_TX_POWER;
1074 ptr[2] = (u8)hdev->adv_tx_power;
1075
1076 ad_len += 3;
1077 ptr += 3;
1078 }
1079
b44133ff 1080 return ad_len;
24b4f38f
AU		 1081}
1082
efae002c 1083static void update_inst_adv_data(struct hci_request *req, u8 instance)
441ad2d0
MH		 1084{
1085 struct hci_dev *hdev = req->hdev;
1086 struct hci_cp_le_set_adv_data cp;
1087 u8 len;
1088
d7a5a11d 1089 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
441ad2d0
MH		 1090 return;
1091
1092 memset(&cp, 0, sizeof(cp));
1093
fdf51784 1094 len = create_instance_adv_data(hdev, instance, cp.data);
441ad2d0 1095
24b4f38f 1096 /* There's nothing to do if the data hasn't changed */
441ad2d0
MH		 1097 if (hdev->adv_data_len == len &&
1098 memcmp(cp.data, hdev->adv_data, len) == 0)
1099 return;
1100
1101 memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
1102 hdev->adv_data_len = len;
1103
1104 cp.length = len;
1105
1106 hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
1107}
1108
e7a685d3
AU		 1109static void update_adv_data(struct hci_request *req)
1110{
efae002c 1111 update_inst_adv_data(req, get_current_adv_instance(req->hdev));
24b4f38f
AU		 1112}
1113
bc6d2d04
JH		 1114int mgmt_update_adv_data(struct hci_dev *hdev)
1115{
1116 struct hci_request req;
1117
1118 hci_req_init(&req, hdev);
1119 update_adv_data(&req);
1120
1121 return hci_req_run(&req, NULL);
1122}
1123
ef580372
JH		 1124static void create_eir(struct hci_dev *hdev, u8 *data)
1125{
1126 u8 *ptr = data;
ef580372
JH		 1127 size_t name_len;
1128
1129 name_len = strlen(hdev->dev_name);
1130
1131 if (name_len > 0) {
1132 /* EIR Data type */
1133 if (name_len > 48) {
1134 name_len = 48;
1135 ptr[1] = EIR_NAME_SHORT;
1136 } else
1137 ptr[1] = EIR_NAME_COMPLETE;
1138
1139 /* EIR Data length */
1140 ptr[0] = name_len + 1;
1141
1142 memcpy(ptr + 2, hdev->dev_name, name_len);
1143
ef580372
JH		 1144 ptr += (name_len + 2);
1145 }
1146
bbaf444a 1147 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
91c4e9b1
MH		 1148 ptr[0] = 2;
1149 ptr[1] = EIR_TX_POWER;
1150 ptr[2] = (u8) hdev->inq_tx_power;
1151
91c4e9b1
MH		 1152 ptr += 3;
1153 }
1154
2b9be137
MH		 1155 if (hdev->devid_source > 0) {
1156 ptr[0] = 9;
1157 ptr[1] = EIR_DEVICE_ID;
1158
1159 put_unaligned_le16(hdev->devid_source, ptr + 2);
1160 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
1161 put_unaligned_le16(hdev->devid_product, ptr + 6);
1162 put_unaligned_le16(hdev->devid_version, ptr + 8);
1163
2b9be137
MH		 1164 ptr += 10;
1165 }
1166
213202ed 1167 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
cdf1963f 1168 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
c00d575b 1169 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
ef580372
JH		 1170}
1171
890ea898 1172static void update_eir(struct hci_request *req)
ef580372 1173{
890ea898 1174 struct hci_dev *hdev = req->hdev;
ef580372
JH		 1175 struct hci_cp_write_eir cp;
1176
504c8dcd 1177 if (!hdev_is_powered(hdev))
890ea898 1178 return;
7770c4aa 1179
976eb20e 1180 if (!lmp_ext_inq_capable(hdev))
890ea898 1181 return;
ef580372 1182
d7a5a11d 1183 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
890ea898 1184 return;
ef580372 1185
d7a5a11d 1186 if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
890ea898 1187 return;
ef580372
JH		 1188
1189 memset(&cp, 0, sizeof(cp));
1190
1191 create_eir(hdev, cp.data);
1192
1193 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
890ea898 1194 return;
ef580372
JH		 1195
1196 memcpy(hdev->eir, cp.data, sizeof(cp.data));
1197
890ea898 1198 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
ef580372
JH		 1199}
1200
1201static u8 get_service_classes(struct hci_dev *hdev)
1202{
1203 struct bt_uuid *uuid;
1204 u8 val = 0;
1205
1206 list_for_each_entry(uuid, &hdev->uuids, list)
1207 val |= uuid->svc_hint;
1208
1209 return val;
1210}
1211
890ea898 1212static void update_class(struct hci_request *req)
ef580372 1213{
890ea898 1214 struct hci_dev *hdev = req->hdev;
ef580372
JH		 1215 u8 cod[3];
1216
1217 BT_DBG("%s", hdev->name);
1218
504c8dcd 1219 if (!hdev_is_powered(hdev))
890ea898 1220 return;
7770c4aa 1221
d7a5a11d 1222 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
f87ea1da
JH		 1223 return;
1224
d7a5a11d 1225 if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
890ea898 1226 return;
ef580372
JH		 1227
1228 cod[0] = hdev->minor_class;
1229 cod[1] = hdev->major_class;
1230 cod[2] = get_service_classes(hdev);
1231
d7a5a11d 1232 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
6acd7db4
MH		 1233 cod[1] |= 0x20;
1234
ef580372 1235 if (memcmp(cod, hdev->dev_class, 3) == 0)
890ea898 1236 return;
ef580372 1237
890ea898 1238 hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
ef580372
JH		 1239}
1240
0ec5ae84
JH		 1241static void disable_advertising(struct hci_request *req)
1242{
1243 u8 enable = 0x00;
1244
1245 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1246}
1247
199a2fb1
JH		 1248static void enable_advertising(struct hci_request *req)
1249{
1250 struct hci_dev *hdev = req->hdev;
1251 struct hci_cp_le_set_adv_param cp;
8f2a0601 1252 u8 own_addr_type, enable = 0x01;
a4858cb9 1253 bool connectable;
e7a685d3
AU		 1254 u8 instance;
1255 u32 flags;
199a2fb1 1256
0ec5ae84
JH		 1257 if (hci_conn_num(hdev, LE_LINK) > 0)
1258 return;
1259
d7a5a11d 1260 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
0ec5ae84
JH		 1261 disable_advertising(req);
1262
5ce194c4 1263 /* Clear the HCI_LE_ADV bit temporarily so that the
8d97250e
JH		 1264 * hci_update_random_address knows that it's safe to go ahead
1265 * and write a new random address. The flag will be set back on
1266 * as soon as the SET_ADV_ENABLE HCI command completes.
1267 */
a358dc11 1268 hci_dev_clear_flag(hdev, HCI_LE_ADV);
8d97250e 1269
e7a685d3
AU		 1270 instance = get_current_adv_instance(hdev);
1271 flags = get_adv_instance_flags(hdev, instance);
faccb950
AU		 1272
1273 /* If the "connectable" instance flag was not set, then choose between
1274 * ADV_IND and ADV_NONCONN_IND based on the global connectable setting.
1275 */
1276 connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE) ||
1277 get_connectable(hdev);
8f2a0601 1278
a4858cb9
JH		 1279 /* Set require_privacy to true only when non-connectable
1280 * advertising is used. In that case it is fine to use a
1281 * non-resolvable private address.
1282 */
1283 if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
8f2a0601
JH		 1284 return;
1285
41c90c18 1286 memset(&cp, 0, sizeof(cp));
628531c9
GL		 1287 cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval);
1288 cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval);
c7d4883b
AU		 1289
1290 if (connectable)
1291 cp.type = LE_ADV_IND;
7b683b74 1292 else if (get_cur_adv_instance_scan_rsp_len(hdev))
c7d4883b
AU		 1293 cp.type = LE_ADV_SCAN_IND;
1294 else
1295 cp.type = LE_ADV_NONCONN_IND;
1296
8f2a0601 1297 cp.own_address_type = own_addr_type;
199a2fb1
JH		 1298 cp.channel_map = hdev->le_adv_channel_map;
1299
1300 hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
1301
1302 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1303}
1304
7d78525d
JH		 1305static void service_cache_off(struct work_struct *work)
1306{
1307 struct hci_dev *hdev = container_of(work, struct hci_dev,
04124681 1308 service_cache.work);
890ea898 1309 struct hci_request req;
7d78525d 1310
a69d8927 1311 if (!hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
7d78525d
JH		 1312 return;
1313
890ea898
JH		 1314 hci_req_init(&req, hdev);
1315
7d78525d
JH		 1316 hci_dev_lock(hdev);
1317
890ea898
JH		 1318 update_eir(&req);
1319 update_class(&req);
7d78525d
JH		 1320
1321 hci_dev_unlock(hdev);
890ea898
JH		 1322
1323 hci_req_run(&req, NULL);
7d78525d
JH		 1324}
1325
d6bfd59c
JH		 1326static void rpa_expired(struct work_struct *work)
1327{
1328 struct hci_dev *hdev = container_of(work, struct hci_dev,
1329 rpa_expired.work);
1330 struct hci_request req;
1331
1332 BT_DBG("");
1333
a1536da2 1334 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
d6bfd59c 1335
d7a5a11d 1336 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING))
d6bfd59c
JH		 1337 return;
1338
1339 /* The generation of a new RPA and programming it into the
1340 * controller happens in the enable_advertising() function.
1341 */
d6bfd59c 1342 hci_req_init(&req, hdev);
d6bfd59c 1343 enable_advertising(&req);
d6bfd59c
JH		 1344 hci_req_run(&req, NULL);
1345}
1346
6a919082 1347static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
7d78525d 1348{
238be788 1349 if (hci_dev_test_and_set_flag(hdev, HCI_MGMT))
6a919082
JH		 1350 return;
1351
4f87da80 1352 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
d6bfd59c 1353 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
7d78525d 1354
4f87da80
JH		 1355 /* Non-mgmt controlled devices get this bit set
1356 * implicitly so that pairing works for them, however
1357 * for mgmt we require user-space to explicitly enable
1358 * it
1359 */
a358dc11 1360 hci_dev_clear_flag(hdev, HCI_BONDABLE);
7d78525d
JH		 1361}
1362
0f4e68cf 1363static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
04124681 1364 void *data, u16 data_len)
0381101f 1365{
a38528f1 1366 struct mgmt_rp_read_info rp;
f7b64e69 1367
bdb6d971 1368 BT_DBG("sock %p %s", sk, hdev->name);
f7b64e69 1369
09fd0de5 1370 hci_dev_lock(hdev);
f7b64e69 1371
dc4fe30b
JH		 1372 memset(&rp, 0, sizeof(rp));
1373
69ab39ea 1374 bacpy(&rp.bdaddr, &hdev->bdaddr);
f7b64e69 1375
69ab39ea 1376 rp.version = hdev->hci_ver;
eb55ef07 1377 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
69ab39ea
JH		 1378
1379 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
1380 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
f7b64e69 1381
a38528f1 1382 memcpy(rp.dev_class, hdev->dev_class, 3);
f7b64e69 1383
dc4fe30b 1384 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
27fcc362 1385 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
dc4fe30b 1386
09fd0de5 1387 hci_dev_unlock(hdev);
0381101f 1388
2a1afb5a
JH		 1389 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
1390 sizeof(rp));
0381101f
JH		 1391}
1392
69ab39ea 1393static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
8680570b 1394{
69ab39ea 1395 __le32 settings = cpu_to_le32(get_current_settings(hdev));
8680570b 1396
2a1afb5a
JH		 1397 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &settings,
1398 sizeof(settings));
8680570b
JH		 1399}
1400
1904a853 1401static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode)
8b064a3a
JH		 1402{
1403 BT_DBG("%s status 0x%02x", hdev->name, status);
1404
a3172b7e
JH		 1405 if (hci_conn_count(hdev) == 0) {
1406 cancel_delayed_work(&hdev->power_off);
8b064a3a 1407 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 1408 }
8b064a3a
JH		 1409}
1410
23a48093 1411static bool hci_stop_discovery(struct hci_request *req)
21a60d30
JH		 1412{
1413 struct hci_dev *hdev = req->hdev;
1414 struct hci_cp_remote_name_req_cancel cp;
1415 struct inquiry_entry *e;
1416
1417 switch (hdev->discovery.state) {
1418 case DISCOVERY_FINDING:
07d2334a 1419 if (test_bit(HCI_INQUIRY, &hdev->flags))
21a60d30 1420 hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
07d2334a
JP		 1421
1422 if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
21a60d30
JH		 1423 cancel_delayed_work(&hdev->le_scan_disable);
1424 hci_req_add_le_scan_disable(req);
1425 }
1426
23a48093 1427 return true;
21a60d30
JH		 1428
1429 case DISCOVERY_RESOLVING:
1430 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
1431 NAME_PENDING);
1432 if (!e)
23a48093 1433 break;
21a60d30
JH		 1434
1435 bacpy(&cp.bdaddr, &e->data.bdaddr);
1436 hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
1437 &cp);
1438
23a48093 1439 return true;
21a60d30
JH		 1440
1441 default:
1442 /* Passive scanning */
d7a5a11d 1443 if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
21a60d30 1444 hci_req_add_le_scan_disable(req);
23a48093
JH		 1445 return true;
1446 }
1447
21a60d30
JH		 1448 break;
1449 }
23a48093
JH		 1450
1451 return false;
21a60d30
JH		 1452}
1453
912098a6
AU		 1454static void advertising_added(struct sock *sk, struct hci_dev *hdev,
1455 u8 instance)
1456{
1457 struct mgmt_ev_advertising_added ev;
1458
1459 ev.instance = instance;
1460
1461 mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk);
1462}
1463
1464static void advertising_removed(struct sock *sk, struct hci_dev *hdev,
1465 u8 instance)
1466{
1467 struct mgmt_ev_advertising_removed ev;
1468
1469 ev.instance = instance;
1470
1471 mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk);
1472}
1473
7816b820
FG		 1474static int schedule_adv_instance(struct hci_request *req, u8 instance,
1475 bool force) {
1476 struct hci_dev *hdev = req->hdev;
1477 struct adv_info *adv_instance = NULL;
1478 u16 timeout;
1479
1480 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
1481 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
1482 return -EPERM;
1483
1484 if (hdev->adv_instance_timeout)
1485 return -EBUSY;
1486
1487 adv_instance = hci_find_adv_instance(hdev, instance);
1488 if (!adv_instance)
1489 return -ENOENT;
1490
1491 /* A zero timeout means unlimited advertising. As long as there is
1492 * only one instance, duration should be ignored. We still set a timeout
1493 * in case further instances are being added later on.
1494 *
1495 * If the remaining lifetime of the instance is more than the duration
1496 * then the timeout corresponds to the duration, otherwise it will be
1497 * reduced to the remaining instance lifetime.
1498 */
1499 if (adv_instance->timeout == 0 ||
1500 adv_instance->duration <= adv_instance->remaining_time)
1501 timeout = adv_instance->duration;
1502 else
1503 timeout = adv_instance->remaining_time;
1504
1505 /* The remaining time is being reduced unless the instance is being
1506 * advertised without time limit.
1507 */
1508 if (adv_instance->timeout)
1509 adv_instance->remaining_time =
1510 adv_instance->remaining_time - timeout;
1511
1512 hdev->adv_instance_timeout = timeout;
1513 queue_delayed_work(hdev->workqueue,
1514 &hdev->adv_instance_expire,
1515 msecs_to_jiffies(timeout * 1000));
1516
1517 /* If we're just re-scheduling the same instance again then do not
1518 * execute any HCI commands. This happens when a single instance is
1519 * being advertised.
1520 */
1521 if (!force && hdev->cur_adv_instance == instance &&
1522 hci_dev_test_flag(hdev, HCI_LE_ADV))
1523 return 0;
1524
1525 hdev->cur_adv_instance = instance;
1526 update_adv_data(req);
1527 update_scan_rsp_data(req);
1528 enable_advertising(req);
1529
1530 return 0;
1531}
1532
1533static void cancel_adv_timeout(struct hci_dev *hdev)
1534{
1535 if (hdev->adv_instance_timeout) {
1536 hdev->adv_instance_timeout = 0;
1537 cancel_delayed_work(&hdev->adv_instance_expire);
1538 }
1539}
1540
847818d9
FG		 1541/* For a single instance:
1542 * - force == true: The instance will be removed even when its remaining
1543 * lifetime is not zero.
1544 * - force == false: the instance will be deactivated but kept stored unless
1545 * the remaining lifetime is zero.
1546 *
1547 * For instance == 0x00:
1548 * - force == true: All instances will be removed regardless of their timeout
1549 * setting.
1550 * - force == false: Only instances that have a timeout will be removed.
1551 */
1552static void clear_adv_instance(struct hci_dev *hdev, struct hci_request *req,
1553 u8 instance, bool force)
912098a6 1554{
847818d9
FG		 1555 struct adv_info *adv_instance, *n, *next_instance = NULL;
1556 int err;
1557 u8 rem_inst;
912098a6 1558
847818d9
FG		 1559 /* Cancel any timeout concerning the removed instance(s). */
1560 if (!instance || hdev->cur_adv_instance == instance)
1561 cancel_adv_timeout(hdev);
912098a6 1562
847818d9
FG		 1563 /* Get the next instance to advertise BEFORE we remove
1564 * the current one. This can be the same instance again
1565 * if there is only one instance.
1566 */
1567 if (instance && hdev->cur_adv_instance == instance)
1568 next_instance = hci_get_next_instance(hdev, instance);
912098a6 1569
847818d9
FG		 1570 if (instance == 0x00) {
1571 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances,
1572 list) {
1573 if (!(force || adv_instance->timeout))
1574 continue;
912098a6 1575
847818d9
FG		 1576 rem_inst = adv_instance->instance;
1577 err = hci_remove_adv_instance(hdev, rem_inst);
1578 if (!err)
1579 advertising_removed(NULL, hdev, rem_inst);
1580 }
1581 hdev->cur_adv_instance = 0x00;
1582 } else {
1583 adv_instance = hci_find_adv_instance(hdev, instance);
1584
1585 if (force || (adv_instance && adv_instance->timeout &&
1586 !adv_instance->remaining_time)) {
1587 /* Don't advertise a removed instance. */
1588 if (next_instance &&
1589 next_instance->instance == instance)
1590 next_instance = NULL;
1591
1592 err = hci_remove_adv_instance(hdev, instance);
1593 if (!err)
1594 advertising_removed(NULL, hdev, instance);
1595 }
1596 }
1597
1598 if (list_empty(&hdev->adv_instances)) {
1599 hdev->cur_adv_instance = 0x00;
1600 hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
1601 }
1602
1603 if (!req || !hdev_is_powered(hdev) ||
912098a6
AU		 1604 hci_dev_test_flag(hdev, HCI_ADVERTISING))
1605 return;
1606
847818d9
FG		 1607 if (next_instance)
1608 schedule_adv_instance(req, next_instance->instance, false);
912098a6
AU		 1609}
1610
8b064a3a
JH		 1611static int clean_up_hci_state(struct hci_dev *hdev)
1612{
1613 struct hci_request req;
1614 struct hci_conn *conn;
23a48093
JH		 1615 bool discov_stopped;
1616 int err;
8b064a3a
JH		 1617
1618 hci_req_init(&req, hdev);
1619
1620 if (test_bit(HCI_ISCAN, &hdev->flags) ||
1621 test_bit(HCI_PSCAN, &hdev->flags)) {
1622 u8 scan = 0x00;
1623 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1624 }
1625
847818d9 1626 clear_adv_instance(hdev, NULL, 0x00, false);
912098a6 1627
d7a5a11d 1628 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
8b064a3a
JH		 1629 disable_advertising(&req);
1630
23a48093 1631 discov_stopped = hci_stop_discovery(&req);
8b064a3a
JH		 1632
1633 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
1634 struct hci_cp_disconnect dc;
c9910d0f
JH		 1635 struct hci_cp_reject_conn_req rej;
1636
1637 switch (conn->state) {
1638 case BT_CONNECTED:
1639 case BT_CONFIG:
1640 dc.handle = cpu_to_le16(conn->handle);
1641 dc.reason = 0x15; /* Terminated due to Power Off */
1642 hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1643 break;
1644 case BT_CONNECT:
1645 if (conn->type == LE_LINK)
1646 hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL,
1647 0, NULL);
1648 else if (conn->type == ACL_LINK)
1649 hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL,
1650 6, &conn->dst);
1651 break;
1652 case BT_CONNECT2:
1653 bacpy(&rej.bdaddr, &conn->dst);
1654 rej.reason = 0x15; /* Terminated due to Power Off */
1655 if (conn->type == ACL_LINK)
1656 hci_req_add(&req, HCI_OP_REJECT_CONN_REQ,
1657 sizeof(rej), &rej);
1658 else if (conn->type == SCO_LINK)
1659 hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ,
1660 sizeof(rej), &rej);
1661 break;
1662 }
8b064a3a
JH		 1663 }
1664
23a48093
JH		 1665 err = hci_req_run(&req, clean_up_hci_complete);
1666 if (!err && discov_stopped)
1667 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
1668
1669 return err;
8b064a3a
JH		 1670}
1671
bdb6d971 1672static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1673 u16 len)
eec8d2bc 1674{
650f726d 1675 struct mgmt_mode *cp = data;
3b0602cd 1676 struct mgmt_pending_cmd *cmd;
4b34ee78 1677 int err;
eec8d2bc 1678
bdb6d971 1679 BT_DBG("request for %s", hdev->name);
eec8d2bc 1680
a7e80f25 1681 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1682 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1683 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1684
09fd0de5 1685 hci_dev_lock(hdev);
eec8d2bc 1686
333ae95d 1687 if (pending_find(MGMT_OP_SET_POWERED, hdev)) {
a69e8375
JH		 1688 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1689 MGMT_STATUS_BUSY);
87b95ba6
JH		 1690 goto failed;
1691 }
1692
a69d8927 1693 if (hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF)) {
f0d4b78a
MH		 1694 cancel_delayed_work(&hdev->power_off);
1695
1696 if (cp->val) {
a1d70450
JH		 1697 mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
1698 data, len);
1699 err = mgmt_powered(hdev, 1);
f0d4b78a
MH		 1700 goto failed;
1701 }
1702 }
1703
4b34ee78 1704 if (!!cp->val == hdev_is_powered(hdev)) {
69ab39ea 1705 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
eec8d2bc
JH		 1706 goto failed;
1707 }
1708
2e58ef3e 1709 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
366a0336
JH		 1710 if (!cmd) {
1711 err = -ENOMEM;
eec8d2bc 1712 goto failed;
366a0336 1713 }
eec8d2bc 1714
8b064a3a 1715 if (cp->val) {
19202573 1716 queue_work(hdev->req_workqueue, &hdev->power_on);
8b064a3a
JH		 1717 err = 0;
1718 } else {
1719 /* Disconnect connections, stop scans, etc */
1720 err = clean_up_hci_state(hdev);
a3172b7e
JH		 1721 if (!err)
1722 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
1723 HCI_POWER_OFF_TIMEOUT);
eec8d2bc 1724
8b064a3a
JH		 1725 /* ENODATA means there were no HCI commands queued */
1726 if (err == -ENODATA) {
a3172b7e 1727 cancel_delayed_work(&hdev->power_off);
8b064a3a
JH		 1728 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1729 err = 0;
1730 }
1731 }
eec8d2bc
JH		 1732
1733failed:
09fd0de5 1734 hci_dev_unlock(hdev);
366a0336 1735 return err;
eec8d2bc
JH		 1736}
1737
beadb2bd
JH		 1738static int new_settings(struct hci_dev *hdev, struct sock *skip)
1739{
f6b7712e 1740 __le32 ev = cpu_to_le32(get_current_settings(hdev));
beadb2bd 1741
f6b7712e
MH		 1742 return mgmt_generic_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
1743 sizeof(ev), skip);
beadb2bd
JH		 1744}
1745
91a668b0
JH		 1746int mgmt_new_settings(struct hci_dev *hdev)
1747{
1748 return new_settings(hdev, NULL);
1749}
1750
bd99abdd
JH		 1751struct cmd_lookup {
1752 struct sock *sk;
1753 struct hci_dev *hdev;
1754 u8 mgmt_status;
1755};
1756
3b0602cd 1757static void settings_rsp(struct mgmt_pending_cmd *cmd, void *data)
bd99abdd
JH		 1758{
1759 struct cmd_lookup *match = data;
1760
1761 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1762
1763 list_del(&cmd->list);
1764
1765 if (match->sk == NULL) {
1766 match->sk = cmd->sk;
1767 sock_hold(match->sk);
1768 }
1769
1770 mgmt_pending_free(cmd);
1771}
1772
3b0602cd 1773static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data)
bd99abdd
JH		 1774{
1775 u8 *status = data;
1776
a69e8375 1777 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
bd99abdd
JH		 1778 mgmt_pending_remove(cmd);
1779}
1780
3b0602cd 1781static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data)
1b9b5ee5
JH		 1782{
1783 if (cmd->cmd_complete) {
1784 u8 *status = data;
1785
1786 cmd->cmd_complete(cmd, *status);
1787 mgmt_pending_remove(cmd);
1788
1789 return;
1790 }
1791
1792 cmd_status_rsp(cmd, data);
1793}
1794
3b0602cd 1795static int generic_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
f5818c22 1796{
2a1afb5a
JH		 1797 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1798 cmd->param, cmd->param_len);
f5818c22
JH		 1799}
1800
3b0602cd 1801static int addr_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
7776d1d8 1802{
2a1afb5a
JH		 1803 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1804 cmd->param, sizeof(struct mgmt_addr_info));
7776d1d8
JH		 1805}
1806
e6fe7986
JH		 1807static u8 mgmt_bredr_support(struct hci_dev *hdev)
1808{
1809 if (!lmp_bredr_capable(hdev))
1810 return MGMT_STATUS_NOT_SUPPORTED;
d7a5a11d 1811 else if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
e6fe7986
JH		 1812 return MGMT_STATUS_REJECTED;
1813 else
1814 return MGMT_STATUS_SUCCESS;
1815}
1816
1817static u8 mgmt_le_support(struct hci_dev *hdev)
1818{
1819 if (!lmp_le_capable(hdev))
1820 return MGMT_STATUS_NOT_SUPPORTED;
d7a5a11d 1821 else if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
e6fe7986
JH		 1822 return MGMT_STATUS_REJECTED;
1823 else
1824 return MGMT_STATUS_SUCCESS;
1825}
1826
1904a853
MH		 1827static void set_discoverable_complete(struct hci_dev *hdev, u8 status,
1828 u16 opcode)
bfaf8c9f 1829{
3b0602cd 1830 struct mgmt_pending_cmd *cmd;
bfaf8c9f 1831 struct mgmt_mode *cp;
970ba524 1832 struct hci_request req;
bfaf8c9f
JH		 1833 bool changed;
1834
1835 BT_DBG("status 0x%02x", status);
1836
1837 hci_dev_lock(hdev);
1838
333ae95d 1839 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
bfaf8c9f
JH		 1840 if (!cmd)
1841 goto unlock;
1842
1843 if (status) {
1844 u8 mgmt_err = mgmt_status(status);
a69e8375 1845 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
a358dc11 1846 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
bfaf8c9f
JH		 1847 goto remove_cmd;
1848 }
1849
1850 cp = cmd->param;
d4462a07 1851 if (cp->val) {
238be788 1852 changed = !hci_dev_test_and_set_flag(hdev, HCI_DISCOVERABLE);
d4462a07
MH		 1853
1854 if (hdev->discov_timeout > 0) {
1855 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1856 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
1857 to);
1858 }
1859 } else {
a69d8927 1860 changed = hci_dev_test_and_clear_flag(hdev, HCI_DISCOVERABLE);
d4462a07 1861 }
bfaf8c9f
JH		 1862
1863 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1864
1865 if (changed)
1866 new_settings(hdev, cmd->sk);
1867
970ba524
MH		 1868 /* When the discoverable mode gets changed, make sure
1869 * that class of device has the limited discoverable
432df05e
JH		 1870 * bit correctly set. Also update page scan based on whitelist
1871 * entries.
970ba524
MH		 1872 */
1873 hci_req_init(&req, hdev);
1d2dc5b7 1874 __hci_update_page_scan(&req);
970ba524
MH		 1875 update_class(&req);
1876 hci_req_run(&req, NULL);
1877
bfaf8c9f
JH		 1878remove_cmd:
1879 mgmt_pending_remove(cmd);
1880
1881unlock:
1882 hci_dev_unlock(hdev);
1883}
1884
bdb6d971 1885static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1886 u16 len)
73f22f62 1887{
650f726d 1888 struct mgmt_cp_set_discoverable *cp = data;
3b0602cd 1889 struct mgmt_pending_cmd *cmd;
bfaf8c9f 1890 struct hci_request req;
5e5282bb 1891 u16 timeout;
9a43e25f 1892 u8 scan;
73f22f62
JH		 1893 int err;
1894
bdb6d971 1895 BT_DBG("request for %s", hdev->name);
73f22f62 1896
d7a5a11d
MH		 1897 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
1898 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
a69e8375
JH		 1899 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1900 MGMT_STATUS_REJECTED);
33c525c0 1901
310a3d48 1902 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 1903 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1904 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1905
1f350c87 1906 timeout = __le16_to_cpu(cp->timeout);
310a3d48
MH		 1907
1908 /* Disabling discoverable requires that no timeout is set,
1909 * and enabling limited discoverable requires a timeout.
1910 */
1911 if ((cp->val == 0x00 && timeout > 0) ||
1912 (cp->val == 0x02 && timeout == 0))
a69e8375
JH		 1913 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1914 MGMT_STATUS_INVALID_PARAMS);
73f22f62 1915
09fd0de5 1916 hci_dev_lock(hdev);
73f22f62 1917
5e5282bb 1918 if (!hdev_is_powered(hdev) && timeout > 0) {
a69e8375
JH		 1919 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1920 MGMT_STATUS_NOT_POWERED);
73f22f62
JH		 1921 goto failed;
1922 }
1923
333ae95d
JH		 1924 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
1925 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
a69e8375
JH		 1926 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1927 MGMT_STATUS_BUSY);
73f22f62
JH		 1928 goto failed;
1929 }
1930
d7a5a11d 1931 if (!hci_dev_test_flag(hdev, HCI_CONNECTABLE)) {
a69e8375
JH		 1932 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1933 MGMT_STATUS_REJECTED);
5e5282bb
JH		 1934 goto failed;
1935 }
1936
1937 if (!hdev_is_powered(hdev)) {
0224d2fa
JH		 1938 bool changed = false;
1939
310a3d48
MH		 1940 /* Setting limited discoverable when powered off is
1941 * not a valid operation since it requires a timeout
1942 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1943 */
d7a5a11d 1944 if (!!cp->val != hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) {
ce05d603 1945 hci_dev_change_flag(hdev, HCI_DISCOVERABLE);
0224d2fa
JH		 1946 changed = true;
1947 }
1948
5e5282bb 1949 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
0224d2fa
JH		 1950 if (err < 0)
1951 goto failed;
1952
1953 if (changed)
1954 err = new_settings(hdev, sk);
1955
5e5282bb
JH		 1956 goto failed;
1957 }
1958
310a3d48
MH		 1959 /* If the current mode is the same, then just update the timeout
1960 * value with the new value. And if only the timeout gets updated,
1961 * then no need for any HCI transactions.
1962 */
d7a5a11d
MH		 1963 if (!!cp->val == hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
1964 (cp->val == 0x02) == hci_dev_test_flag(hdev,
1965 HCI_LIMITED_DISCOVERABLE)) {
36261547
MH		 1966 cancel_delayed_work(&hdev->discov_off);
1967 hdev->discov_timeout = timeout;
955638ec 1968
36261547
MH		 1969 if (cp->val && hdev->discov_timeout > 0) {
1970 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
955638ec 1971 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
36261547 1972 to);
955638ec
MH		 1973 }
1974
69ab39ea 1975 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
73f22f62
JH		 1976 goto failed;
1977 }
1978
2e58ef3e 1979 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
366a0336
JH		 1980 if (!cmd) {
1981 err = -ENOMEM;
73f22f62 1982 goto failed;
366a0336 1983 }
73f22f62 1984
310a3d48
MH		 1985 /* Cancel any potential discoverable timeout that might be
1986 * still active and store new timeout value. The arming of
1987 * the timeout happens in the complete handler.
1988 */
1989 cancel_delayed_work(&hdev->discov_off);
1990 hdev->discov_timeout = timeout;
1991
b456f87c
JH		 1992 /* Limited discoverable mode */
1993 if (cp->val == 0x02)
a1536da2 1994 hci_dev_set_flag(hdev, HCI_LIMITED_DISCOVERABLE);
b456f87c 1995 else
a358dc11 1996 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
b456f87c 1997
bfaf8c9f
JH		 1998 hci_req_init(&req, hdev);
1999
9a43e25f
JH		 2000 /* The procedure for LE-only controllers is much simpler - just
2001 * update the advertising data.
2002 */
d7a5a11d 2003 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
9a43e25f
JH		 2004 goto update_ad;
2005
73f22f62
JH		 2006 scan = SCAN_PAGE;
2007
310a3d48
MH		 2008 if (cp->val) {
2009 struct hci_cp_write_current_iac_lap hci_cp;
2010
2011 if (cp->val == 0x02) {
2012 /* Limited discoverable mode */
33337dcb 2013 hci_cp.num_iac = min_t(u8, hdev->num_iac, 2);
310a3d48
MH		 2014 hci_cp.iac_lap[0] = 0x00; /* LIAC */
2015 hci_cp.iac_lap[1] = 0x8b;
2016 hci_cp.iac_lap[2] = 0x9e;
2017 hci_cp.iac_lap[3] = 0x33; /* GIAC */
2018 hci_cp.iac_lap[4] = 0x8b;
2019 hci_cp.iac_lap[5] = 0x9e;
2020 } else {
2021 /* General discoverable mode */
310a3d48
MH		 2022 hci_cp.num_iac = 1;
2023 hci_cp.iac_lap[0] = 0x33; /* GIAC */
2024 hci_cp.iac_lap[1] = 0x8b;
2025 hci_cp.iac_lap[2] = 0x9e;
2026 }
2027
2028 hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP,
2029 (hci_cp.num_iac * 3) + 1, &hci_cp);
2030
73f22f62 2031 scan |= SCAN_INQUIRY;
310a3d48 2032 } else {
a358dc11 2033 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
310a3d48 2034 }
73f22f62 2035
310a3d48 2036 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
bfaf8c9f 2037
9a43e25f
JH		 2038update_ad:
2039 update_adv_data(&req);
2040
bfaf8c9f 2041 err = hci_req_run(&req, set_discoverable_complete);
73f22f62 2042 if (err < 0)
a664b5bc 2043 mgmt_pending_remove(cmd);
73f22f62
JH		 2044
2045failed:
09fd0de5 2046 hci_dev_unlock(hdev);
73f22f62
JH		 2047 return err;
2048}
2049
406d7804
JH		 2050static void write_fast_connectable(struct hci_request *req, bool enable)
2051{
bd98b996 2052 struct hci_dev *hdev = req->hdev;
406d7804
JH		 2053 struct hci_cp_write_page_scan_activity acp;
2054 u8 type;
2055
d7a5a11d 2056 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
547003b1
JH		 2057 return;
2058
4c01f8b8
JH		 2059 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
2060 return;
2061
406d7804
JH		 2062 if (enable) {
2063 type = PAGE_SCAN_TYPE_INTERLACED;
2064
2065 /* 160 msec page scan interval */
dcf4adbf 2066 acp.interval = cpu_to_le16(0x0100);
406d7804
JH		 2067 } else {
2068 type = PAGE_SCAN_TYPE_STANDARD; /* default */
2069
2070 /* default 1.28 sec page scan */
dcf4adbf 2071 acp.interval = cpu_to_le16(0x0800);
406d7804
JH		 2072 }
2073
dcf4adbf 2074 acp.window = cpu_to_le16(0x0012);
406d7804 2075
bd98b996
JH		 2076 if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
2077 __cpu_to_le16(hdev->page_scan_window) != acp.window)
2078 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
2079 sizeof(acp), &acp);
2080
2081 if (hdev->page_scan_type != type)
2082 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
406d7804
JH		 2083}
2084
1904a853
MH		 2085static void set_connectable_complete(struct hci_dev *hdev, u8 status,
2086 u16 opcode)
2b76f453 2087{
3b0602cd 2088 struct mgmt_pending_cmd *cmd;
d7b856f9 2089 struct mgmt_mode *cp;
bc6d2d04 2090 bool conn_changed, discov_changed;
2b76f453
JH		 2091
2092 BT_DBG("status 0x%02x", status);
2093
2094 hci_dev_lock(hdev);
2095
333ae95d 2096 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
2b76f453
JH		 2097 if (!cmd)
2098 goto unlock;
2099
37438c1f
JH		 2100 if (status) {
2101 u8 mgmt_err = mgmt_status(status);
a69e8375 2102 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
37438c1f
JH		 2103 goto remove_cmd;
2104 }
2105
d7b856f9 2106 cp = cmd->param;
bc6d2d04 2107 if (cp->val) {
238be788
MH		 2108 conn_changed = !hci_dev_test_and_set_flag(hdev,
2109 HCI_CONNECTABLE);
bc6d2d04
JH		 2110 discov_changed = false;
2111 } else {
a69d8927
MH		 2112 conn_changed = hci_dev_test_and_clear_flag(hdev,
2113 HCI_CONNECTABLE);
2114 discov_changed = hci_dev_test_and_clear_flag(hdev,
2115 HCI_DISCOVERABLE);
bc6d2d04 2116 }
d7b856f9 2117
2b76f453
JH		 2118 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
2119
bc6d2d04 2120 if (conn_changed || discov_changed) {
d7b856f9 2121 new_settings(hdev, cmd->sk);
1d2dc5b7 2122 hci_update_page_scan(hdev);
bc6d2d04
JH		 2123 if (discov_changed)
2124 mgmt_update_adv_data(hdev);
2b7be33e
JH		 2125 hci_update_background_scan(hdev);
2126 }
d7b856f9 2127
37438c1f 2128remove_cmd:
2b76f453
JH		 2129 mgmt_pending_remove(cmd);
2130
2131unlock:
2132 hci_dev_unlock(hdev);
2133}
2134
e8ba3a1f
JH		 2135static int set_connectable_update_settings(struct hci_dev *hdev,
2136 struct sock *sk, u8 val)
2137{
2138 bool changed = false;
2139 int err;
2140
d7a5a11d 2141 if (!!val != hci_dev_test_flag(hdev, HCI_CONNECTABLE))
e8ba3a1f
JH		 2142 changed = true;
2143
2144 if (val) {
a1536da2 2145 hci_dev_set_flag(hdev, HCI_CONNECTABLE);
e8ba3a1f 2146 } else {
a358dc11
MH		 2147 hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
2148 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
e8ba3a1f
JH		 2149 }
2150
2151 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
2152 if (err < 0)
2153 return err;
2154
562064e6 2155 if (changed) {
1d2dc5b7 2156 hci_update_page_scan(hdev);
562064e6 2157 hci_update_background_scan(hdev);
e8ba3a1f 2158 return new_settings(hdev, sk);
562064e6 2159 }
e8ba3a1f
JH		 2160
2161 return 0;
2162}
2163
bdb6d971 2164static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2165 u16 len)
9fbcbb45 2166{
650f726d 2167 struct mgmt_mode *cp = data;
3b0602cd 2168 struct mgmt_pending_cmd *cmd;
2b76f453 2169 struct hci_request req;
1987fdc7 2170 u8 scan;
9fbcbb45
JH		 2171 int err;
2172
bdb6d971 2173 BT_DBG("request for %s", hdev->name);
9fbcbb45 2174
d7a5a11d
MH		 2175 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
2176 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
a69e8375
JH		 2177 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2178 MGMT_STATUS_REJECTED);
33c525c0 2179
a7e80f25 2180 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2181 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2182 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2183
09fd0de5 2184 hci_dev_lock(hdev);
9fbcbb45 2185
4b34ee78 2186 if (!hdev_is_powered(hdev)) {
e8ba3a1f 2187 err = set_connectable_update_settings(hdev, sk, cp->val);
9fbcbb45
JH		 2188 goto failed;
2189 }
2190
333ae95d
JH		 2191 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
2192 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
a69e8375
JH		 2193 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2194 MGMT_STATUS_BUSY);
9fbcbb45
JH		 2195 goto failed;
2196 }
2197
2e58ef3e 2198 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
366a0336
JH		 2199 if (!cmd) {
2200 err = -ENOMEM;
9fbcbb45 2201 goto failed;
366a0336 2202 }
9fbcbb45 2203
9b74246f 2204 hci_req_init(&req, hdev);
9fbcbb45 2205
9a43e25f
JH		 2206 /* If BR/EDR is not enabled and we disable advertising as a
2207 * by-product of disabling connectable, we need to update the
2208 * advertising flags.
2209 */
d7a5a11d 2210 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
9a43e25f 2211 if (!cp->val) {
a358dc11
MH		 2212 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
2213 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
9a43e25f
JH		 2214 }
2215 update_adv_data(&req);
2216 } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
9b74246f
JH		 2217 if (cp->val) {
2218 scan = SCAN_PAGE;
2219 } else {
3bd27240
JH		 2220 /* If we don't have any whitelist entries just
2221 * disable all scanning. If there are entries
2222 * and we had both page and inquiry scanning
2223 * enabled then fall back to only page scanning.
2224 * Otherwise no changes are needed.
2225 */
2226 if (list_empty(&hdev->whitelist))
2227 scan = SCAN_DISABLED;
2228 else if (test_bit(HCI_ISCAN, &hdev->flags))
2229 scan = SCAN_PAGE;
2230 else
2231 goto no_scan_update;
9b74246f
JH		 2232
2233 if (test_bit(HCI_ISCAN, &hdev->flags) &&
8d6083fe 2234 hdev->discov_timeout > 0)
9b74246f
JH		 2235 cancel_delayed_work(&hdev->discov_off);
2236 }
2b76f453 2237
9b74246f
JH		 2238 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
2239 }
2b76f453 2240
3bd27240 2241no_scan_update:
e8b1202c 2242 /* Update the advertising parameters if necessary */
880897d4
AU		 2243 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
2244 hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
1987fdc7 2245 enable_advertising(&req);
1987fdc7 2246
2b76f453 2247 err = hci_req_run(&req, set_connectable_complete);
9b74246f 2248 if (err < 0) {
a664b5bc 2249 mgmt_pending_remove(cmd);
9b74246f 2250 if (err == -ENODATA)
a81070ba
JH		 2251 err = set_connectable_update_settings(hdev, sk,
2252 cp->val);
9b74246f
JH		 2253 goto failed;
2254 }
9fbcbb45
JH		 2255
2256failed:
09fd0de5 2257 hci_dev_unlock(hdev);
9fbcbb45
JH		 2258 return err;
2259}
2260
b2939475 2261static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2262 u16 len)
c542a06c 2263{
650f726d 2264 struct mgmt_mode *cp = data;
55594356 2265 bool changed;
c542a06c
JH		 2266 int err;
2267
bdb6d971 2268 BT_DBG("request for %s", hdev->name);
c542a06c 2269
a7e80f25 2270 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2271 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
2272 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2273
09fd0de5 2274 hci_dev_lock(hdev);
c542a06c
JH		 2275
2276 if (cp->val)
238be788 2277 changed = !hci_dev_test_and_set_flag(hdev, HCI_BONDABLE);
c542a06c 2278 else
a69d8927 2279 changed = hci_dev_test_and_clear_flag(hdev, HCI_BONDABLE);
c542a06c 2280
b2939475 2281 err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
c542a06c 2282 if (err < 0)
55594356 2283 goto unlock;
c542a06c 2284
55594356
MH		 2285 if (changed)
2286 err = new_settings(hdev, sk);
c542a06c 2287
55594356 2288unlock:
09fd0de5 2289 hci_dev_unlock(hdev);
c542a06c
JH		 2290 return err;
2291}
2292
04124681
GP		 2293static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
2294 u16 len)
33ef95ed
JH		 2295{
2296 struct mgmt_mode *cp = data;
3b0602cd 2297 struct mgmt_pending_cmd *cmd;
e6fe7986 2298 u8 val, status;
33ef95ed
JH		 2299 int err;
2300
bdb6d971 2301 BT_DBG("request for %s", hdev->name);
33ef95ed 2302
e6fe7986
JH		 2303 status = mgmt_bredr_support(hdev);
2304 if (status)
a69e8375
JH		 2305 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2306 status);
33c525c0 2307
a7e80f25 2308 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2309 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2310 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2311
33ef95ed
JH		 2312 hci_dev_lock(hdev);
2313
4b34ee78 2314 if (!hdev_is_powered(hdev)) {
47990ea0
JH		 2315 bool changed = false;
2316
d7a5a11d 2317 if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) {
ce05d603 2318 hci_dev_change_flag(hdev, HCI_LINK_SECURITY);
47990ea0
JH		 2319 changed = true;
2320 }
2321
2322 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2323 if (err < 0)
2324 goto failed;
2325
2326 if (changed)
2327 err = new_settings(hdev, sk);
2328
33ef95ed
JH		 2329 goto failed;
2330 }
2331
333ae95d 2332 if (pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
a69e8375
JH		 2333 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2334 MGMT_STATUS_BUSY);
33ef95ed
JH		 2335 goto failed;
2336 }
2337
2338 val = !!cp->val;
2339
2340 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
2341 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2342 goto failed;
2343 }
2344
2345 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
2346 if (!cmd) {
2347 err = -ENOMEM;
2348 goto failed;
2349 }
2350
2351 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
2352 if (err < 0) {
2353 mgmt_pending_remove(cmd);
2354 goto failed;
2355 }
2356
2357failed:
2358 hci_dev_unlock(hdev);
33ef95ed
JH		 2359 return err;
2360}
2361
bdb6d971 2362static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH		 2363{
2364 struct mgmt_mode *cp = data;
3b0602cd 2365 struct mgmt_pending_cmd *cmd;
72ef0c1a 2366 u8 status;
ed2c4ee3
JH		 2367 int err;
2368
bdb6d971 2369 BT_DBG("request for %s", hdev->name);
ed2c4ee3 2370
cdba5281
MH		 2371 status = mgmt_bredr_support(hdev);
2372 if (status)
a69e8375 2373 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
cdba5281 2374
13ecd8b6 2375 if (!lmp_ssp_capable(hdev))
a69e8375
JH		 2376 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2377 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 2378
a7e80f25 2379 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2380 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2381 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2382
13ecd8b6 2383 hci_dev_lock(hdev);
6c8f12c1 2384
4b34ee78 2385 if (!hdev_is_powered(hdev)) {
9ecb3e24 2386 bool changed;
c0ecddc2 2387
9ecb3e24 2388 if (cp->val) {
238be788
MH		 2389 changed = !hci_dev_test_and_set_flag(hdev,
2390 HCI_SSP_ENABLED);
9ecb3e24 2391 } else {
a69d8927
MH		 2392 changed = hci_dev_test_and_clear_flag(hdev,
2393 HCI_SSP_ENABLED);
9ecb3e24 2394 if (!changed)
a69d8927
MH		 2395 changed = hci_dev_test_and_clear_flag(hdev,
2396 HCI_HS_ENABLED);
9ecb3e24 2397 else
a358dc11 2398 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
c0ecddc2
JH		 2399 }
2400
2401 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2402 if (err < 0)
2403 goto failed;
2404
2405 if (changed)
2406 err = new_settings(hdev, sk);
2407
ed2c4ee3
JH		 2408 goto failed;
2409 }
2410
333ae95d 2411 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
a69e8375
JH		 2412 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2413 MGMT_STATUS_BUSY);
ed2c4ee3
JH		 2414 goto failed;
2415 }
2416
d7a5a11d 2417 if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
ed2c4ee3
JH		 2418 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2419 goto failed;
2420 }
2421
2422 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
2423 if (!cmd) {
2424 err = -ENOMEM;
2425 goto failed;
2426 }
2427
d7a5a11d 2428 if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 2429 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
2430 sizeof(cp->val), &cp->val);
2431
72ef0c1a 2432 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
ed2c4ee3
JH		 2433 if (err < 0) {
2434 mgmt_pending_remove(cmd);
2435 goto failed;
2436 }
2437
2438failed:
2439 hci_dev_unlock(hdev);
ed2c4ee3
JH		 2440 return err;
2441}
2442
bdb6d971 2443static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH		 2444{
2445 struct mgmt_mode *cp = data;
ee392693 2446 bool changed;
e6fe7986 2447 u8 status;
ee392693 2448 int err;
6d80dfd0 2449
bdb6d971 2450 BT_DBG("request for %s", hdev->name);
6d80dfd0 2451
e6fe7986
JH		 2452 status = mgmt_bredr_support(hdev);
2453 if (status)
a69e8375 2454 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
6d80dfd0 2455
9ecb3e24 2456 if (!lmp_ssp_capable(hdev))
a69e8375
JH		 2457 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2458 MGMT_STATUS_NOT_SUPPORTED);
9ecb3e24 2459
d7a5a11d 2460 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 2461 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2462 MGMT_STATUS_REJECTED);
9ecb3e24 2463
a7e80f25 2464 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2465 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2466 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2467
ee392693
MH		 2468 hci_dev_lock(hdev);
2469
333ae95d 2470 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
a69e8375
JH		 2471 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2472 MGMT_STATUS_BUSY);
a2cb01de
JH		 2473 goto unlock;
2474 }
2475
a0cdf960 2476 if (cp->val) {
238be788 2477 changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED);
a0cdf960
MH		 2478 } else {
2479 if (hdev_is_powered(hdev)) {
a69e8375
JH		 2480 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2481 MGMT_STATUS_REJECTED);
a0cdf960
MH		 2482 goto unlock;
2483 }
2484
a69d8927 2485 changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED);
a0cdf960 2486 }
ee392693
MH		 2487
2488 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
2489 if (err < 0)
2490 goto unlock;
2491
2492 if (changed)
2493 err = new_settings(hdev, sk);
6d80dfd0 2494
ee392693
MH		 2495unlock:
2496 hci_dev_unlock(hdev);
2497 return err;
6d80dfd0
JH		 2498}
2499
1904a853 2500static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
416a4ae5
JH		 2501{
2502 struct cmd_lookup match = { NULL, hdev };
2503
3ad67582
JK		 2504 hci_dev_lock(hdev);
2505
416a4ae5
JH		 2506 if (status) {
2507 u8 mgmt_err = mgmt_status(status);
2508
2509 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
2510 &mgmt_err);
3ad67582 2511 goto unlock;
416a4ae5
JH		 2512 }
2513
2514 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
2515
2516 new_settings(hdev, match.sk);
2517
2518 if (match.sk)
2519 sock_put(match.sk);
441ad2d0
MH		 2520
2521 /* Make sure the controller has a good default for
2522 * advertising data. Restrict the update to when LE
2523 * has actually been enabled. During power on, the
2524 * update in powered_update_hci will take care of it.
2525 */
d7a5a11d 2526 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
441ad2d0
MH		 2527 struct hci_request req;
2528
441ad2d0 2529 hci_req_init(&req, hdev);
5947f4bc 2530 update_adv_data(&req);
f14d8f64 2531 update_scan_rsp_data(&req);
2cf22218 2532 __hci_update_background_scan(&req);
441ad2d0 2533 hci_req_run(&req, NULL);
441ad2d0 2534 }
3ad67582
JK		 2535
2536unlock:
2537 hci_dev_unlock(hdev);
416a4ae5
JH		 2538}
2539
bdb6d971 2540static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH		 2541{
2542 struct mgmt_mode *cp = data;
2543 struct hci_cp_write_le_host_supported hci_cp;
3b0602cd 2544 struct mgmt_pending_cmd *cmd;
416a4ae5 2545 struct hci_request req;
06199cf8 2546 int err;
0b60eba1 2547 u8 val, enabled;
06199cf8 2548
bdb6d971 2549 BT_DBG("request for %s", hdev->name);
06199cf8 2550
13ecd8b6 2551 if (!lmp_le_capable(hdev))
a69e8375
JH		 2552 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2553 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 2554
a7e80f25 2555 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2556 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2557 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2558
e7844ee5
MH		 2559 /* Bluetooth single mode LE only controllers or dual-mode
2560 * controllers configured as LE only devices, do not allow
2561 * switching LE off. These have either LE enabled explicitly
2562 * or BR/EDR has been previously switched off.
2563 *
2564 * When trying to enable an already enabled LE, then gracefully
2565 * send a positive response. Trying to disable it however will
2566 * result into rejection.
2567 */
2568 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
2569 if (cp->val == 0x01)
2570 return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2571
a69e8375
JH		 2572 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2573 MGMT_STATUS_REJECTED);
e7844ee5 2574 }
c73eee91 2575
13ecd8b6 2576 hci_dev_lock(hdev);
06199cf8
JH		 2577
2578 val = !!cp->val;
ffa88e02 2579 enabled = lmp_host_le_capable(hdev);
06199cf8 2580
847818d9
FG		 2581 if (!val)
2582 clear_adv_instance(hdev, NULL, 0x00, true);
2583
0b60eba1 2584 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH		 2585 bool changed = false;
2586
d7a5a11d 2587 if (val != hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
ce05d603 2588 hci_dev_change_flag(hdev, HCI_LE_ENABLED);
06199cf8
JH		 2589 changed = true;
2590 }
2591
d7a5a11d 2592 if (!val && hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
a358dc11 2593 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
eeca6f89
JH		 2594 changed = true;
2595 }
2596
06199cf8
JH		 2597 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2598 if (err < 0)
1de028ce 2599 goto unlock;
06199cf8
JH		 2600
2601 if (changed)
2602 err = new_settings(hdev, sk);
2603
1de028ce 2604 goto unlock;
06199cf8
JH		 2605 }
2606
333ae95d
JH		 2607 if (pending_find(MGMT_OP_SET_LE, hdev) ||
2608 pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
a69e8375
JH		 2609 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2610 MGMT_STATUS_BUSY);
1de028ce 2611 goto unlock;
06199cf8
JH		 2612 }
2613
2614 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
2615 if (!cmd) {
2616 err = -ENOMEM;
1de028ce 2617 goto unlock;
06199cf8
JH		 2618 }
2619
441ad2d0
MH		 2620 hci_req_init(&req, hdev);
2621
06199cf8
JH		 2622 memset(&hci_cp, 0, sizeof(hci_cp));
2623
2624 if (val) {
2625 hci_cp.le = val;
32226e4f 2626 hci_cp.simul = 0x00;
441ad2d0 2627 } else {
d7a5a11d 2628 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
441ad2d0 2629 disable_advertising(&req);
06199cf8
JH		 2630 }
2631
416a4ae5
JH		 2632 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
2633 &hci_cp);
2634
2635 err = hci_req_run(&req, le_enable_complete);
0c01bc48 2636 if (err < 0)
06199cf8 2637 mgmt_pending_remove(cmd);
06199cf8 2638
1de028ce
JH		 2639unlock:
2640 hci_dev_unlock(hdev);
06199cf8
JH		 2641 return err;
2642}
2643
0cab9c80
JH		 2644/* This is a helper function to test for pending mgmt commands that can
2645 * cause CoD or EIR HCI commands. We can only allow one such pending
2646 * mgmt command at a time since otherwise we cannot easily track what
2647 * the current values are, will be, and based on that calculate if a new
2648 * HCI command needs to be sent and if yes with what value.
2649 */
2650static bool pending_eir_or_class(struct hci_dev *hdev)
2651{
3b0602cd 2652 struct mgmt_pending_cmd *cmd;
0cab9c80
JH		 2653
2654 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2655 switch (cmd->opcode) {
2656 case MGMT_OP_ADD_UUID:
2657 case MGMT_OP_REMOVE_UUID:
2658 case MGMT_OP_SET_DEV_CLASS:
2659 case MGMT_OP_SET_POWERED:
2660 return true;
2661 }
2662 }
2663
2664 return false;
2665}
2666
83be8eca
JH		 2667static const u8 bluetooth_base_uuid[] = {
2668 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
2669 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2670};
2671
2672static u8 get_uuid_size(const u8 *uuid)
2673{
2674 u32 val;
2675
2676 if (memcmp(uuid, bluetooth_base_uuid, 12))
2677 return 128;
2678
2679 val = get_unaligned_le32(&uuid[12]);
2680 if (val > 0xffff)
2681 return 32;
2682
2683 return 16;
2684}
2685
92da6097
JH		 2686static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
2687{
3b0602cd 2688 struct mgmt_pending_cmd *cmd;
92da6097
JH		 2689
2690 hci_dev_lock(hdev);
2691
333ae95d 2692 cmd = pending_find(mgmt_op, hdev);
92da6097
JH		 2693 if (!cmd)
2694 goto unlock;
2695
2a1afb5a
JH		 2696 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
2697 mgmt_status(status), hdev->dev_class, 3);
92da6097
JH		 2698
2699 mgmt_pending_remove(cmd);
2700
2701unlock:
2702 hci_dev_unlock(hdev);
2703}
2704
1904a853 2705static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 2706{
2707 BT_DBG("status 0x%02x", status);
2708
2709 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
2710}
2711
bdb6d971 2712static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 2713{
650f726d 2714 struct mgmt_cp_add_uuid *cp = data;
3b0602cd 2715 struct mgmt_pending_cmd *cmd;
890ea898 2716 struct hci_request req;
2aeb9a1a 2717 struct bt_uuid *uuid;
2aeb9a1a
JH		 2718 int err;
2719
bdb6d971 2720 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2721
09fd0de5 2722 hci_dev_lock(hdev);
2aeb9a1a 2723
0cab9c80 2724 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2725 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
2726 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2727 goto failed;
2728 }
2729
92c4c204 2730 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH		 2731 if (!uuid) {
2732 err = -ENOMEM;
2733 goto failed;
2734 }
2735
2736 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 2737 uuid->svc_hint = cp->svc_hint;
83be8eca 2738 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 2739
de66aa63 2740 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 2741
890ea898 2742 hci_req_init(&req, hdev);
1aff6f09 2743
890ea898
JH		 2744 update_class(&req);
2745 update_eir(&req);
2746
92da6097
JH		 2747 err = hci_req_run(&req, add_uuid_complete);
2748 if (err < 0) {
2749 if (err != -ENODATA)
2750 goto failed;
80a1e1db 2751
2a1afb5a
JH		 2752 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
2753 hdev->dev_class, 3);
90e70454
JH		 2754 goto failed;
2755 }
2756
2757 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 2758 if (!cmd) {
90e70454 2759 err = -ENOMEM;
890ea898
JH		 2760 goto failed;
2761 }
2762
2763 err = 0;
2aeb9a1a
JH		 2764
2765failed:
09fd0de5 2766 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2767 return err;
2768}
2769
24b78d0f
JH		 2770static bool enable_service_cache(struct hci_dev *hdev)
2771{
2772 if (!hdev_is_powered(hdev))
2773 return false;
2774
238be788 2775 if (!hci_dev_test_and_set_flag(hdev, HCI_SERVICE_CACHE)) {
46818ed5
JH		 2776 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
2777 CACHE_TIMEOUT);
24b78d0f
JH		 2778 return true;
2779 }
2780
2781 return false;
2782}
2783
1904a853 2784static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 2785{
2786 BT_DBG("status 0x%02x", status);
2787
2788 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
2789}
2790
bdb6d971 2791static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2792 u16 len)
2aeb9a1a 2793{
650f726d 2794 struct mgmt_cp_remove_uuid *cp = data;
3b0602cd 2795 struct mgmt_pending_cmd *cmd;
056341c8 2796 struct bt_uuid *match, *tmp;
2aeb9a1a 2797 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 2798 struct hci_request req;
2aeb9a1a
JH		 2799 int err, found;
2800
bdb6d971 2801 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2802
09fd0de5 2803 hci_dev_lock(hdev);
2aeb9a1a 2804
0cab9c80 2805 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2806 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
2807 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2808 goto unlock;
2809 }
2810
2aeb9a1a 2811 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
35f7498a 2812 hci_uuids_clear(hdev);
4004b6d9 2813
24b78d0f 2814 if (enable_service_cache(hdev)) {
2a1afb5a
JH		 2815 err = mgmt_cmd_complete(sk, hdev->id,
2816 MGMT_OP_REMOVE_UUID,
2817 0, hdev->dev_class, 3);
24b78d0f
JH		 2818 goto unlock;
2819 }
4004b6d9 2820
9246a869 2821 goto update_class;
2aeb9a1a
JH		 2822 }
2823
2824 found = 0;
2825
056341c8 2826 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH		 2827 if (memcmp(match->uuid, cp->uuid, 16) != 0)
2828 continue;
2829
2830 list_del(&match->list);
482049f7 2831 kfree(match);
2aeb9a1a
JH		 2832 found++;
2833 }
2834
2835 if (found == 0) {
a69e8375
JH		 2836 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
2837 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH		 2838 goto unlock;
2839 }
2840
9246a869 2841update_class:
890ea898 2842 hci_req_init(&req, hdev);
1aff6f09 2843
890ea898
JH		 2844 update_class(&req);
2845 update_eir(&req);
2846
92da6097
JH		 2847 err = hci_req_run(&req, remove_uuid_complete);
2848 if (err < 0) {
2849 if (err != -ENODATA)
2850 goto unlock;
80a1e1db 2851
2a1afb5a
JH		 2852 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
2853 hdev->dev_class, 3);
90e70454
JH		 2854 goto unlock;
2855 }
2856
2857 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 2858 if (!cmd) {
90e70454 2859 err = -ENOMEM;
890ea898
JH		 2860 goto unlock;
2861 }
2862
2863 err = 0;
2aeb9a1a
JH		 2864
2865unlock:
09fd0de5 2866 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2867 return err;
2868}
2869
1904a853 2870static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 2871{
2872 BT_DBG("status 0x%02x", status);
2873
2874 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
2875}
2876
bdb6d971 2877static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2878 u16 len)
1aff6f09 2879{
650f726d 2880 struct mgmt_cp_set_dev_class *cp = data;
3b0602cd 2881 struct mgmt_pending_cmd *cmd;
890ea898 2882 struct hci_request req;
1aff6f09
JH		 2883 int err;
2884
bdb6d971 2885 BT_DBG("request for %s", hdev->name);
1aff6f09 2886
6203fc98 2887 if (!lmp_bredr_capable(hdev))
a69e8375
JH		 2888 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2889 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 2890
0cab9c80 2891 hci_dev_lock(hdev);
ee98f473 2892
0cab9c80 2893 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2894 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2895 MGMT_STATUS_BUSY);
0cab9c80
JH		 2896 goto unlock;
2897 }
c95f0ba7 2898
0cab9c80 2899 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
a69e8375
JH		 2900 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2901 MGMT_STATUS_INVALID_PARAMS);
0cab9c80
JH		 2902 goto unlock;
2903 }
575b3a02 2904
932f5ff5
JH		 2905 hdev->major_class = cp->major;
2906 hdev->minor_class = cp->minor;
2907
b5235a65 2908 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2909 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2910 hdev->dev_class, 3);
b5235a65
JH		 2911 goto unlock;
2912 }
2913
890ea898
JH		 2914 hci_req_init(&req, hdev);
2915
a69d8927 2916 if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) {
7d78525d
JH		 2917 hci_dev_unlock(hdev);
2918 cancel_delayed_work_sync(&hdev->service_cache);
2919 hci_dev_lock(hdev);
890ea898 2920 update_eir(&req);
7d78525d 2921 }
14c0b608 2922
890ea898
JH		 2923 update_class(&req);
2924
92da6097
JH		 2925 err = hci_req_run(&req, set_class_complete);
2926 if (err < 0) {
2927 if (err != -ENODATA)
2928 goto unlock;
1aff6f09 2929
2a1afb5a
JH		 2930 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2931 hdev->dev_class, 3);
90e70454
JH		 2932 goto unlock;
2933 }
2934
2935 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 2936 if (!cmd) {
90e70454 2937 err = -ENOMEM;
890ea898
JH		 2938 goto unlock;
2939 }
2940
2941 err = 0;
1aff6f09 2942
b5235a65 2943unlock:
09fd0de5 2944 hci_dev_unlock(hdev);
1aff6f09
JH		 2945 return err;
2946}
2947
bdb6d971 2948static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2949 u16 len)
55ed8ca1 2950{
650f726d 2951 struct mgmt_cp_load_link_keys *cp = data;
ba1d6936
JH		 2952 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2953 sizeof(struct mgmt_link_key_info));
4e51eae9 2954 u16 key_count, expected_len;
b1de97d8 2955 bool changed;
a492cd52 2956 int i;
55ed8ca1 2957
9060d5cf
MH		 2958 BT_DBG("request for %s", hdev->name);
2959
2960 if (!lmp_bredr_capable(hdev))
a69e8375
JH		 2961 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2962 MGMT_STATUS_NOT_SUPPORTED);
9060d5cf 2963
1f350c87 2964 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 2965 if (key_count > max_key_count) {
2966 BT_ERR("load_link_keys: too big key_count value %u",
2967 key_count);
a69e8375
JH		 2968 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2969 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 2970 }
55ed8ca1 2971
86742e1e
JH		 2972 expected_len = sizeof(*cp) + key_count *
2973 sizeof(struct mgmt_link_key_info);
a492cd52 2974 if (expected_len != len) {
86742e1e 2975 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2606ecbc 2976 expected_len, len);
a69e8375
JH		 2977 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2978 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH		 2979 }
2980
4ae14301 2981 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
a69e8375
JH		 2982 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2983 MGMT_STATUS_INVALID_PARAMS);
4ae14301 2984
bdb6d971 2985 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 2986 key_count);
55ed8ca1 2987
4ee71b20
JH		 2988 for (i = 0; i < key_count; i++) {
2989 struct mgmt_link_key_info *key = &cp->keys[i];
2990
8e991132 2991 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
a69e8375
JH		 2992 return mgmt_cmd_status(sk, hdev->id,
2993 MGMT_OP_LOAD_LINK_KEYS,
2994 MGMT_STATUS_INVALID_PARAMS);
4ee71b20
JH		 2995 }
2996
09fd0de5 2997 hci_dev_lock(hdev);
55ed8ca1
JH		 2998
2999 hci_link_keys_clear(hdev);
3000
55ed8ca1 3001 if (cp->debug_keys)
238be788 3002 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
55ed8ca1 3003 else
a69d8927
MH		 3004 changed = hci_dev_test_and_clear_flag(hdev,
3005 HCI_KEEP_DEBUG_KEYS);
b1de97d8
MH		 3006
3007 if (changed)
3008 new_settings(hdev, NULL);
55ed8ca1 3009
a492cd52 3010 for (i = 0; i < key_count; i++) {
86742e1e 3011 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 3012
58e9293c
JH		 3013 /* Always ignore debug keys and require a new pairing if
3014 * the user wants to use them.
3015 */
3016 if (key->type == HCI_LK_DEBUG_COMBINATION)
3017 continue;
3018
7652ff6a
JH		 3019 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
3020 key->type, key->pin_len, NULL);
55ed8ca1
JH		 3021 }
3022
2a1afb5a 3023 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 3024
09fd0de5 3025 hci_dev_unlock(hdev);
55ed8ca1 3026
a492cd52 3027 return 0;
55ed8ca1
JH		 3028}
3029
b1078ad0 3030static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 3031 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH		 3032{
3033 struct mgmt_ev_device_unpaired ev;
3034
3035 bacpy(&ev.addr.bdaddr, bdaddr);
3036 ev.addr.type = addr_type;
3037
3038 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 3039 skip_sk);
b1078ad0
JH		 3040}
3041
bdb6d971 3042static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3043 u16 len)
55ed8ca1 3044{
124f6e35
JH		 3045 struct mgmt_cp_unpair_device *cp = data;
3046 struct mgmt_rp_unpair_device rp;
a8a1d19e 3047 struct hci_cp_disconnect dc;
3b0602cd 3048 struct mgmt_pending_cmd *cmd;
55ed8ca1 3049 struct hci_conn *conn;
55ed8ca1
JH		 3050 int err;
3051
a8a1d19e 3052 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 3053 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3054 rp.addr.type = cp->addr.type;
a8a1d19e 3055
4ee71b20 3056 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3057 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3058 MGMT_STATUS_INVALID_PARAMS,
3059 &rp, sizeof(rp));
4ee71b20 3060
118da70b 3061 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2a1afb5a
JH		 3062 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3063 MGMT_STATUS_INVALID_PARAMS,
3064 &rp, sizeof(rp));
118da70b 3065
4ee71b20
JH		 3066 hci_dev_lock(hdev);
3067
86a8cfc6 3068 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3069 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3070 MGMT_STATUS_NOT_POWERED, &rp,
3071 sizeof(rp));
86a8cfc6
JH		 3072 goto unlock;
3073 }
3074
e0b2b27e 3075 if (cp->addr.type == BDADDR_BREDR) {
89cbb063
AA		 3076 /* If disconnection is requested, then look up the
3077 * connection. If the remote device is connected, it
3078 * will be later used to terminate the link.
3079 *
3080 * Setting it to NULL explicitly will cause no
3081 * termination of the link.
3082 */
3083 if (cp->disconnect)
3084 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
3085 &cp->addr.bdaddr);
3086 else
3087 conn = NULL;
3088
124f6e35 3089 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
e0b2b27e
JH		 3090 } else {
3091 u8 addr_type;
3092
89cbb063
AA		 3093 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
3094 &cp->addr.bdaddr);
3095 if (conn) {
3096 /* Defer clearing up the connection parameters
3097 * until closing to give a chance of keeping
3098 * them if a repairing happens.
3099 */
3100 set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
3101
3102 /* If disconnection is not requested, then
3103 * clear the connection variable so that the
3104 * link is not terminated.
3105 */
3106 if (!cp->disconnect)
3107 conn = NULL;
3108 }
3109
e0b2b27e
JH		 3110 if (cp->addr.type == BDADDR_LE_PUBLIC)
3111 addr_type = ADDR_LE_DEV_PUBLIC;
3112 else
3113 addr_type = ADDR_LE_DEV_RANDOM;
3114
a7ec7338
JH		 3115 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
3116
e0b2b27e
JH		 3117 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
3118 }
b0dbfb46 3119
55ed8ca1 3120 if (err < 0) {
2a1afb5a
JH		 3121 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3122 MGMT_STATUS_NOT_PAIRED, &rp,
3123 sizeof(rp));
55ed8ca1
JH		 3124 goto unlock;
3125 }
3126
89cbb063
AA		 3127 /* If the connection variable is set, then termination of the
3128 * link is requested.
3129 */
a8a1d19e 3130 if (!conn) {
2a1afb5a
JH		 3131 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
3132 &rp, sizeof(rp));
b1078ad0 3133 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 3134 goto unlock;
3135 }
55ed8ca1 3136
124f6e35 3137 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 3138 sizeof(*cp));
a8a1d19e
JH		 3139 if (!cmd) {
3140 err = -ENOMEM;
3141 goto unlock;
55ed8ca1
JH		 3142 }
3143
d8b7b1e4
JH		 3144 cmd->cmd_complete = addr_cmd_complete;
3145
eb55ef07 3146 dc.handle = cpu_to_le16(conn->handle);
a8a1d19e
JH		 3147 dc.reason = 0x13; /* Remote User Terminated Connection */
3148 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
3149 if (err < 0)
3150 mgmt_pending_remove(cmd);
3151
55ed8ca1 3152unlock:
09fd0de5 3153 hci_dev_unlock(hdev);
55ed8ca1
JH		 3154 return err;
3155}
3156
bdb6d971 3157static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3158 u16 len)
8962ee74 3159{
650f726d 3160 struct mgmt_cp_disconnect *cp = data;
06a63b19 3161 struct mgmt_rp_disconnect rp;
3b0602cd 3162 struct mgmt_pending_cmd *cmd;
8962ee74 3163 struct hci_conn *conn;
8962ee74
JH		 3164 int err;
3165
3166 BT_DBG("");
3167
06a63b19
JH		 3168 memset(&rp, 0, sizeof(rp));
3169 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3170 rp.addr.type = cp->addr.type;
3171
4ee71b20 3172 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3173 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3174 MGMT_STATUS_INVALID_PARAMS,
3175 &rp, sizeof(rp));
4ee71b20 3176
09fd0de5 3177 hci_dev_lock(hdev);
8962ee74
JH		 3178
3179 if (!test_bit(HCI_UP, &hdev->flags)) {
2a1afb5a
JH		 3180 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3181 MGMT_STATUS_NOT_POWERED, &rp,
3182 sizeof(rp));
8962ee74
JH		 3183 goto failed;
3184 }
3185
333ae95d 3186 if (pending_find(MGMT_OP_DISCONNECT, hdev)) {
2a1afb5a
JH		 3187 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3188 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 3189 goto failed;
3190 }
3191
591f47f3 3192 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 3193 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
3194 &cp->addr.bdaddr);
88c3df13
JH		 3195 else
3196 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
365227e5 3197
f960727e 3198 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
2a1afb5a
JH		 3199 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3200 MGMT_STATUS_NOT_CONNECTED, &rp,
3201 sizeof(rp));
8962ee74
JH		 3202 goto failed;
3203 }
3204
2e58ef3e 3205 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 3206 if (!cmd) {
3207 err = -ENOMEM;
8962ee74 3208 goto failed;
366a0336 3209 }
8962ee74 3210
f5818c22
JH		 3211 cmd->cmd_complete = generic_cmd_complete;
3212
e3f2f92a 3213 err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
8962ee74 3214 if (err < 0)
a664b5bc 3215 mgmt_pending_remove(cmd);
8962ee74
JH		 3216
3217failed:
09fd0de5 3218 hci_dev_unlock(hdev);
8962ee74
JH		 3219 return err;
3220}
3221
57c1477c 3222static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 3223{
3224 switch (link_type) {
3225 case LE_LINK:
48264f06
JH		 3226 switch (addr_type) {
3227 case ADDR_LE_DEV_PUBLIC:
591f47f3 3228 return BDADDR_LE_PUBLIC;
0ed09148 3229
48264f06 3230 default:
0ed09148 3231 /* Fallback to LE Random address type */
591f47f3 3232 return BDADDR_LE_RANDOM;
48264f06 3233 }
0ed09148 3234
4c659c39 3235 default:
0ed09148 3236 /* Fallback to BR/EDR type */
591f47f3 3237 return BDADDR_BREDR;
4c659c39
JH		 3238 }
3239}
3240
04124681
GP		 3241static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
3242 u16 data_len)
2784eb41 3243{
2784eb41 3244 struct mgmt_rp_get_connections *rp;
8035ded4 3245 struct hci_conn *c;
a38528f1 3246 size_t rp_len;
60fc5fb6
JH		 3247 int err;
3248 u16 i;
2784eb41
JH		 3249
3250 BT_DBG("");
3251
09fd0de5 3252 hci_dev_lock(hdev);
2784eb41 3253
5f97c1df 3254 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3255 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
3256 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3257 goto unlock;
3258 }
3259
60fc5fb6 3260 i = 0;
b644ba33
JH		 3261 list_for_each_entry(c, &hdev->conn_hash.list, list) {
3262 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 3263 i++;
2784eb41
JH		 3264 }
3265
60fc5fb6 3266 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 3267 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 3268 if (!rp) {
2784eb41
JH		 3269 err = -ENOMEM;
3270 goto unlock;
3271 }
3272
2784eb41 3273 i = 0;
4c659c39 3274 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 3275 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
3276 continue;
4c659c39 3277 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 3278 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 3279 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 3280 continue;
3281 i++;
3282 }
3283
eb55ef07 3284 rp->conn_count = cpu_to_le16(i);
60fc5fb6 3285
4c659c39
JH		 3286 /* Recalculate length in case of filtered SCO connections, etc */
3287 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 3288
2a1afb5a
JH		 3289 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
3290 rp_len);
2784eb41 3291
a38528f1 3292 kfree(rp);
5f97c1df
JH		 3293
3294unlock:
09fd0de5 3295 hci_dev_unlock(hdev);
2784eb41
JH		 3296 return err;
3297}
3298
bdb6d971 3299static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3300 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67 3301{
3b0602cd 3302 struct mgmt_pending_cmd *cmd;
96d97a67
WR		 3303 int err;
3304
2e58ef3e 3305 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 3306 sizeof(*cp));
96d97a67
WR		 3307 if (!cmd)
3308 return -ENOMEM;
3309
d8457698 3310 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 3311 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 3312 if (err < 0)
3313 mgmt_pending_remove(cmd);
3314
3315 return err;
3316}
3317
bdb6d971 3318static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3319 u16 len)
980e1a53 3320{
96d97a67 3321 struct hci_conn *conn;
650f726d 3322 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 3323 struct hci_cp_pin_code_reply reply;
3b0602cd 3324 struct mgmt_pending_cmd *cmd;
980e1a53
JH		 3325 int err;
3326
3327 BT_DBG("");
3328
09fd0de5 3329 hci_dev_lock(hdev);
980e1a53 3330
4b34ee78 3331 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3332 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3333 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 3334 goto failed;
3335 }
3336
d8457698 3337 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 3338 if (!conn) {
a69e8375
JH		 3339 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3340 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 3341 goto failed;
3342 }
3343
3344 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 3345 struct mgmt_cp_pin_code_neg_reply ncp;
3346
3347 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 3348
3349 BT_ERR("PIN code is not 16 bytes long");
3350
bdb6d971 3351 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 3352 if (err >= 0)
a69e8375
JH		 3353 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3354 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 3355
3356 goto failed;
3357 }
3358
00abfe44 3359 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 3360 if (!cmd) {
3361 err = -ENOMEM;
980e1a53 3362 goto failed;
366a0336 3363 }
980e1a53 3364
7776d1d8
JH		 3365 cmd->cmd_complete = addr_cmd_complete;
3366
d8457698 3367 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 3368 reply.pin_len = cp->pin_len;
24718ca5 3369 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 3370
3371 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
3372 if (err < 0)
a664b5bc 3373 mgmt_pending_remove(cmd);
980e1a53
JH		 3374
3375failed:
09fd0de5 3376 hci_dev_unlock(hdev);
980e1a53
JH		 3377 return err;
3378}
3379
04124681
GP		 3380static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
3381 u16 len)
17fa4b9d 3382{
650f726d 3383 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 3384
3385 BT_DBG("");
3386
4ec86d4c 3387 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
2a1afb5a
JH		 3388 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
3389 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
4ec86d4c 3390
09fd0de5 3391 hci_dev_lock(hdev);
17fa4b9d
JH		 3392
3393 hdev->io_capability = cp->io_capability;
3394
3395 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 3396 hdev->io_capability);
17fa4b9d 3397
09fd0de5 3398 hci_dev_unlock(hdev);
17fa4b9d 3399
2a1afb5a
JH		 3400 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0,
3401 NULL, 0);
17fa4b9d
JH		 3402}
3403
3b0602cd 3404static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 3405{
3406 struct hci_dev *hdev = conn->hdev;
3b0602cd 3407 struct mgmt_pending_cmd *cmd;
e9a416b5 3408
2e58ef3e 3409 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 3410 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
3411 continue;
3412
e9a416b5
JH		 3413 if (cmd->user_data != conn)
3414 continue;
3415
3416 return cmd;
3417 }
3418
3419 return NULL;
3420}
3421
3b0602cd 3422static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status)
e9a416b5
JH		 3423{
3424 struct mgmt_rp_pair_device rp;
3425 struct hci_conn *conn = cmd->user_data;
9df74653 3426 int err;
e9a416b5 3427
61b1a7fb
JH		 3428 bacpy(&rp.addr.bdaddr, &conn->dst);
3429 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 3430
2a1afb5a
JH		 3431 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE,
3432 status, &rp, sizeof(rp));
e9a416b5
JH		 3433
3434 /* So we don't get further callbacks for this connection */
3435 conn->connect_cfm_cb = NULL;
3436 conn->security_cfm_cb = NULL;
3437 conn->disconn_cfm_cb = NULL;
3438
76a68ba0 3439 hci_conn_drop(conn);
89cbb063
AA		 3440
3441 /* The device is paired so there is no need to remove
3442 * its connection parameters anymore.
3443 */
3444 clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
15013aeb
JH		 3445
3446 hci_conn_put(conn);
9df74653
JH		 3447
3448 return err;
e9a416b5
JH		 3449}
3450
f4a407be
JH		 3451void mgmt_smp_complete(struct hci_conn *conn, bool complete)
3452{
3453 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3b0602cd 3454 struct mgmt_pending_cmd *cmd;
f4a407be
JH		 3455
3456 cmd = find_pairing(conn);
a511b35b 3457 if (cmd) {
04ab2749 3458 cmd->cmd_complete(cmd, status);
a511b35b
JH		 3459 mgmt_pending_remove(cmd);
3460 }
f4a407be
JH		 3461}
3462
e9a416b5
JH		 3463static void pairing_complete_cb(struct hci_conn *conn, u8 status)
3464{
3b0602cd 3465 struct mgmt_pending_cmd *cmd;
e9a416b5
JH		 3466
3467 BT_DBG("status %u", status);
3468
3469 cmd = find_pairing(conn);
a511b35b 3470 if (!cmd) {
e9a416b5 3471 BT_DBG("Unable to find a pending command");
a511b35b
JH		 3472 return;
3473 }
3474
3475 cmd->cmd_complete(cmd, mgmt_status(status));
3476 mgmt_pending_remove(cmd);
e9a416b5
JH		 3477}
3478
f4a407be 3479static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739 3480{
3b0602cd 3481 struct mgmt_pending_cmd *cmd;
4c47d739
VA		 3482
3483 BT_DBG("status %u", status);
3484
3485 if (!status)
3486 return;
3487
3488 cmd = find_pairing(conn);
a511b35b 3489 if (!cmd) {
4c47d739 3490 BT_DBG("Unable to find a pending command");
a511b35b
JH		 3491 return;
3492 }
3493
3494 cmd->cmd_complete(cmd, mgmt_status(status));
3495 mgmt_pending_remove(cmd);
4c47d739
VA		 3496}
3497
bdb6d971 3498static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3499 u16 len)
e9a416b5 3500{
650f726d 3501 struct mgmt_cp_pair_device *cp = data;
1425acb7 3502 struct mgmt_rp_pair_device rp;
3b0602cd 3503 struct mgmt_pending_cmd *cmd;
e9a416b5
JH		 3504 u8 sec_level, auth_type;
3505 struct hci_conn *conn;
e9a416b5
JH		 3506 int err;
3507
3508 BT_DBG("");
3509
f950a30e
SJ		 3510 memset(&rp, 0, sizeof(rp));
3511 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3512 rp.addr.type = cp->addr.type;
3513
4ee71b20 3514 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3515 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3516 MGMT_STATUS_INVALID_PARAMS,
3517 &rp, sizeof(rp));
4ee71b20 3518
4ec86d4c 3519 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
2a1afb5a
JH		 3520 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3521 MGMT_STATUS_INVALID_PARAMS,
3522 &rp, sizeof(rp));
4ec86d4c 3523
09fd0de5 3524 hci_dev_lock(hdev);
e9a416b5 3525
5f97c1df 3526 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3527 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3528 MGMT_STATUS_NOT_POWERED, &rp,
3529 sizeof(rp));
5f97c1df
JH		 3530 goto unlock;
3531 }
3532
55e76b38
JH		 3533 if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) {
3534 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3535 MGMT_STATUS_ALREADY_PAIRED, &rp,
3536 sizeof(rp));
3537 goto unlock;
3538 }
3539
c908df36 3540 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 3541 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 3542
6f77d8c7 3543 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 3544 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
3545 auth_type);
6f77d8c7
AG		 3546 } else {
3547 u8 addr_type;
5157b8a5 3548 struct hci_conn_params *p;
6f77d8c7
AG		 3549
3550 /* Convert from L2CAP channel address type to HCI address type
3551 */
3552 if (cp->addr.type == BDADDR_LE_PUBLIC)
3553 addr_type = ADDR_LE_DEV_PUBLIC;
3554 else
3555 addr_type = ADDR_LE_DEV_RANDOM;
3556
7c264b10
MH		 3557 /* When pairing a new device, it is expected to remember
3558 * this device for future connections. Adding the connection
3559 * parameter information ahead of time allows tracking
3560 * of the slave preferred values and will speed up any
3561 * further connection establishment.
3562 *
3563 * If connection parameters already exist, then they
3564 * will be kept and this function does nothing.
3565 */
5157b8a5
JP		 3566 p = hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
3567
3568 if (p->auto_connect == HCI_AUTO_CONN_EXPLICIT)
3569 p->auto_connect = HCI_AUTO_CONN_DISABLED;
7c264b10 3570
fa142220
JP		 3571 conn = hci_connect_le_scan(hdev, &cp->addr.bdaddr,
3572 addr_type, sec_level,
3573 HCI_LE_CONN_TIMEOUT,
3574 HCI_ROLE_MASTER);
6f77d8c7 3575 }
7a512d01 3576
30e76272 3577 if (IS_ERR(conn)) {
489dc48e
AK		 3578 int status;
3579
3580 if (PTR_ERR(conn) == -EBUSY)
3581 status = MGMT_STATUS_BUSY;
faa81030
LR		 3582 else if (PTR_ERR(conn) == -EOPNOTSUPP)
3583 status = MGMT_STATUS_NOT_SUPPORTED;
3584 else if (PTR_ERR(conn) == -ECONNREFUSED)
3585 status = MGMT_STATUS_REJECTED;
489dc48e
AK		 3586 else
3587 status = MGMT_STATUS_CONNECT_FAILED;
3588
2a1afb5a
JH		 3589 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3590 status, &rp, sizeof(rp));
e9a416b5
JH		 3591 goto unlock;
3592 }
3593
3594 if (conn->connect_cfm_cb) {
76a68ba0 3595 hci_conn_drop(conn);
2a1afb5a
JH		 3596 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3597 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 3598 goto unlock;
3599 }
3600
2e58ef3e 3601 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 3602 if (!cmd) {
3603 err = -ENOMEM;
76a68ba0 3604 hci_conn_drop(conn);
e9a416b5
JH		 3605 goto unlock;
3606 }
3607
04ab2749
JH		 3608 cmd->cmd_complete = pairing_complete;
3609
7a512d01 3610 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 3611 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 3612 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 3613 conn->security_cfm_cb = pairing_complete_cb;
3614 conn->disconn_cfm_cb = pairing_complete_cb;
3615 } else {
3616 conn->connect_cfm_cb = le_pairing_complete_cb;
3617 conn->security_cfm_cb = le_pairing_complete_cb;
3618 conn->disconn_cfm_cb = le_pairing_complete_cb;
3619 }
7a512d01 3620
e9a416b5 3621 conn->io_capability = cp->io_cap;
f8aaf9b6 3622 cmd->user_data = hci_conn_get(conn);
e9a416b5 3623
6f78fd4b 3624 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
a511b35b
JH		 3625 hci_conn_security(conn, sec_level, auth_type, true)) {
3626 cmd->cmd_complete(cmd, 0);
3627 mgmt_pending_remove(cmd);
3628 }
e9a416b5
JH		 3629
3630 err = 0;
3631
3632unlock:
09fd0de5 3633 hci_dev_unlock(hdev);
e9a416b5
JH		 3634 return err;
3635}
3636
04124681
GP		 3637static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3638 u16 len)
28424707 3639{
0f4e68cf 3640 struct mgmt_addr_info *addr = data;
3b0602cd 3641 struct mgmt_pending_cmd *cmd;
28424707
JH		 3642 struct hci_conn *conn;
3643 int err;
3644
3645 BT_DBG("");
3646
28424707
JH		 3647 hci_dev_lock(hdev);
3648
5f97c1df 3649 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3650 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3651 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3652 goto unlock;
3653 }
3654
333ae95d 3655 cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev);
28424707 3656 if (!cmd) {
a69e8375
JH		 3657 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3658 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3659 goto unlock;
3660 }
3661
3662 conn = cmd->user_data;
3663
3664 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
a69e8375
JH		 3665 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3666 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3667 goto unlock;
3668 }
3669
a511b35b
JH		 3670 cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED);
3671 mgmt_pending_remove(cmd);
28424707 3672
2a1afb5a
JH		 3673 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
3674 addr, sizeof(*addr));
28424707
JH		 3675unlock:
3676 hci_dev_unlock(hdev);
28424707
JH		 3677 return err;
3678}
3679
bdb6d971 3680static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 3681 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 3682 u16 hci_op, __le32 passkey)
a5c29683 3683{
3b0602cd 3684 struct mgmt_pending_cmd *cmd;
0df4c185 3685 struct hci_conn *conn;
a5c29683
JH		 3686 int err;
3687
09fd0de5 3688 hci_dev_lock(hdev);
08ba5382 3689
4b34ee78 3690 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3691 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3692 MGMT_STATUS_NOT_POWERED, addr,
3693 sizeof(*addr));
0df4c185 3694 goto done;
a5c29683
JH		 3695 }
3696
1707c60e
JH		 3697 if (addr->type == BDADDR_BREDR)
3698 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 3699 else
1707c60e 3700 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
272d90df
JH		 3701
3702 if (!conn) {
2a1afb5a
JH		 3703 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3704 MGMT_STATUS_NOT_CONNECTED, addr,
3705 sizeof(*addr));
272d90df
JH		 3706 goto done;
3707 }
47c15e2b 3708
1707c60e 3709 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 3710 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 3711 if (!err)
2a1afb5a
JH		 3712 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3713 MGMT_STATUS_SUCCESS, addr,
3714 sizeof(*addr));
5fe57d9e 3715 else
2a1afb5a
JH		 3716 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3717 MGMT_STATUS_FAILED, addr,
3718 sizeof(*addr));
47c15e2b 3719
47c15e2b
BG		 3720 goto done;
3721 }
3722
1707c60e 3723 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 3724 if (!cmd) {
3725 err = -ENOMEM;
0df4c185 3726 goto done;
a5c29683
JH		 3727 }
3728
7776d1d8
JH		 3729 cmd->cmd_complete = addr_cmd_complete;
3730
0df4c185 3731 /* Continue with pairing via HCI */
604086b7
BG		 3732 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3733 struct hci_cp_user_passkey_reply cp;
3734
1707c60e 3735 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 3736 cp.passkey = passkey;
3737 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3738 } else
1707c60e
JH		 3739 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3740 &addr->bdaddr);
604086b7 3741
a664b5bc
JH		 3742 if (err < 0)
3743 mgmt_pending_remove(cmd);
a5c29683 3744
0df4c185 3745done:
09fd0de5 3746 hci_dev_unlock(hdev);
a5c29683
JH		 3747 return err;
3748}
3749
afeb019d
JK		 3750static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3751 void *data, u16 len)
3752{
3753 struct mgmt_cp_pin_code_neg_reply *cp = data;
3754
3755 BT_DBG("");
3756
1707c60e 3757 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 3758 MGMT_OP_PIN_CODE_NEG_REPLY,
3759 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3760}
3761
04124681
GP		 3762static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3763 u16 len)
0df4c185 3764{
650f726d 3765 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 3766
3767 BT_DBG("");
3768
3769 if (len != sizeof(*cp))
a69e8375
JH		 3770 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
3771 MGMT_STATUS_INVALID_PARAMS);
0df4c185 3772
1707c60e 3773 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3774 MGMT_OP_USER_CONFIRM_REPLY,
3775 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 3776}
3777
bdb6d971 3778static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3779 void *data, u16 len)
0df4c185 3780{
c9c2659f 3781 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 3782
3783 BT_DBG("");
3784
1707c60e 3785 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3786 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3787 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 3788}
3789
04124681
GP		 3790static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3791 u16 len)
604086b7 3792{
650f726d 3793 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 3794
3795 BT_DBG("");
3796
1707c60e 3797 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3798 MGMT_OP_USER_PASSKEY_REPLY,
3799 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 3800}
3801
bdb6d971 3802static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3803 void *data, u16 len)
604086b7 3804{
650f726d 3805 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 3806
3807 BT_DBG("");
3808
1707c60e 3809 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3810 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3811 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 3812}
3813
13928971 3814static void update_name(struct hci_request *req)
2b4bf397 3815{
13928971 3816 struct hci_dev *hdev = req->hdev;
2b4bf397
JH		 3817 struct hci_cp_write_local_name cp;
3818
13928971 3819 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
2b4bf397 3820
890ea898 3821 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2b4bf397
JH		 3822}
3823
1904a853 3824static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode)
13928971
JH		 3825{
3826 struct mgmt_cp_set_local_name *cp;
3b0602cd 3827 struct mgmt_pending_cmd *cmd;
13928971
JH		 3828
3829 BT_DBG("status 0x%02x", status);
3830
3831 hci_dev_lock(hdev);
3832
333ae95d 3833 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 3834 if (!cmd)
3835 goto unlock;
3836
3837 cp = cmd->param;
3838
3839 if (status)
a69e8375
JH		 3840 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3841 mgmt_status(status));
13928971 3842 else
2a1afb5a
JH		 3843 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3844 cp, sizeof(*cp));
13928971
JH		 3845
3846 mgmt_pending_remove(cmd);
3847
3848unlock:
3849 hci_dev_unlock(hdev);
3850}
3851
bdb6d971 3852static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3853 u16 len)
b312b161 3854{
2b4bf397 3855 struct mgmt_cp_set_local_name *cp = data;
3b0602cd 3856 struct mgmt_pending_cmd *cmd;
890ea898 3857 struct hci_request req;
b312b161
JH		 3858 int err;
3859
3860 BT_DBG("");
3861
09fd0de5 3862 hci_dev_lock(hdev);
b312b161 3863
b3f2ca94
JH		 3864 /* If the old values are the same as the new ones just return a
3865 * direct command complete event.
3866 */
3867 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3868 !memcmp(hdev->short_name, cp->short_name,
3869 sizeof(hdev->short_name))) {
2a1afb5a
JH		 3870 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3871 data, len);
b3f2ca94
JH		 3872 goto failed;
3873 }
3874
2b4bf397 3875 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 3876
b5235a65 3877 if (!hdev_is_powered(hdev)) {
2b4bf397 3878 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde 3879
2a1afb5a
JH		 3880 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3881 data, len);
28cc7bde
JH		 3882 if (err < 0)
3883 goto failed;
3884
f6b7712e
MH		 3885 err = mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev,
3886 data, len, sk);
28cc7bde 3887
b5235a65
JH		 3888 goto failed;
3889 }
3890
28cc7bde 3891 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3892 if (!cmd) {
3893 err = -ENOMEM;
3894 goto failed;
3895 }
3896
13928971
JH		 3897 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3898
890ea898 3899 hci_req_init(&req, hdev);
3f985050
JH		 3900
3901 if (lmp_bredr_capable(hdev)) {
3902 update_name(&req);
3903 update_eir(&req);
3904 }
3905
7a5f4990
MH		 3906 /* The name is stored in the scan response data and so
3907 * no need to udpate the advertising data here.
3908 */
3f985050 3909 if (lmp_le_capable(hdev))
7a5f4990 3910 update_scan_rsp_data(&req);
3f985050 3911
13928971 3912 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3913 if (err < 0)
3914 mgmt_pending_remove(cmd);
3915
3916failed:
09fd0de5 3917 hci_dev_unlock(hdev);
b312b161
JH		 3918 return err;
3919}
3920
1b9441f8
JH		 3921static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
3922 u16 opcode, struct sk_buff *skb)
3923{
3924 struct mgmt_rp_read_local_oob_data mgmt_rp;
3925 size_t rp_size = sizeof(mgmt_rp);
3926 struct mgmt_pending_cmd *cmd;
3927
3928 BT_DBG("%s status %u", hdev->name, status);
3929
3930 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
3931 if (!cmd)
3932 return;
3933
3934 if (status || !skb) {
3935 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3936 status ? mgmt_status(status) : MGMT_STATUS_FAILED);
3937 goto remove;
3938 }
3939
3940 memset(&mgmt_rp, 0, sizeof(mgmt_rp));
3941
3942 if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
3943 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
3944
3945 if (skb->len < sizeof(*rp)) {
3946 mgmt_cmd_status(cmd->sk, hdev->id,
3947 MGMT_OP_READ_LOCAL_OOB_DATA,
3948 MGMT_STATUS_FAILED);
3949 goto remove;
3950 }
3951
3952 memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash));
3953 memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand));
3954
3955 rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256);
3956 } else {
3957 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
3958
3959 if (skb->len < sizeof(*rp)) {
3960 mgmt_cmd_status(cmd->sk, hdev->id,
3961 MGMT_OP_READ_LOCAL_OOB_DATA,
3962 MGMT_STATUS_FAILED);
3963 goto remove;
3964 }
3965
3966 memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192));
3967 memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192));
3968
3969 memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256));
3970 memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256));
3971 }
3972
3973 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3974 MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size);
3975
3976remove:
3977 mgmt_pending_remove(cmd);
3978}
3979
0f4e68cf 3980static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3981 void *data, u16 data_len)
c35938b2 3982{
3b0602cd 3983 struct mgmt_pending_cmd *cmd;
1b9441f8 3984 struct hci_request req;
c35938b2
SJ		 3985 int err;
3986
bdb6d971 3987 BT_DBG("%s", hdev->name);
c35938b2 3988
09fd0de5 3989 hci_dev_lock(hdev);
c35938b2 3990
4b34ee78 3991 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3992 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3993 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3994 goto unlock;
3995 }
3996
9a1a1996 3997 if (!lmp_ssp_capable(hdev)) {
a69e8375
JH		 3998 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3999 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 4000 goto unlock;
4001 }
4002
333ae95d 4003 if (pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
a69e8375
JH		 4004 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
4005 MGMT_STATUS_BUSY);
c35938b2
SJ		 4006 goto unlock;
4007 }
4008
2e58ef3e 4009 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 4010 if (!cmd) {
4011 err = -ENOMEM;
4012 goto unlock;
4013 }
4014
1b9441f8
JH		 4015 hci_req_init(&req, hdev);
4016
710f11c0 4017 if (bredr_sc_enabled(hdev))
1b9441f8 4018 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
4d2d2796 4019 else
1b9441f8 4020 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
4d2d2796 4021
1b9441f8 4022 err = hci_req_run_skb(&req, read_local_oob_data_complete);
c35938b2
SJ		 4023 if (err < 0)
4024 mgmt_pending_remove(cmd);
4025
4026unlock:
09fd0de5 4027 hci_dev_unlock(hdev);
c35938b2
SJ		 4028 return err;
4029}
4030
bdb6d971 4031static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 4032 void *data, u16 len)
2763eda6 4033{
5d57e796 4034 struct mgmt_addr_info *addr = data;
2763eda6
SJ		 4035 int err;
4036
bdb6d971 4037 BT_DBG("%s ", hdev->name);
2763eda6 4038
5d57e796 4039 if (!bdaddr_type_is_valid(addr->type))
2a1afb5a
JH		 4040 return mgmt_cmd_complete(sk, hdev->id,
4041 MGMT_OP_ADD_REMOTE_OOB_DATA,
4042 MGMT_STATUS_INVALID_PARAMS,
4043 addr, sizeof(*addr));
5d57e796 4044
09fd0de5 4045 hci_dev_lock(hdev);
2763eda6 4046
ec109113
MH		 4047 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
4048 struct mgmt_cp_add_remote_oob_data *cp = data;
4049 u8 status;
bf1e3541 4050
c19a495c 4051 if (cp->addr.type != BDADDR_BREDR) {
2a1afb5a
JH		 4052 err = mgmt_cmd_complete(sk, hdev->id,
4053 MGMT_OP_ADD_REMOTE_OOB_DATA,
4054 MGMT_STATUS_INVALID_PARAMS,
4055 &cp->addr, sizeof(cp->addr));
c19a495c
JH		 4056 goto unlock;
4057 }
4058
ec109113 4059 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
6928a924
JH		 4060 cp->addr.type, cp->hash,
4061 cp->rand, NULL, NULL);
ec109113
MH		 4062 if (err < 0)
4063 status = MGMT_STATUS_FAILED;
4064 else
4065 status = MGMT_STATUS_SUCCESS;
4066
2a1afb5a
JH		 4067 err = mgmt_cmd_complete(sk, hdev->id,
4068 MGMT_OP_ADD_REMOTE_OOB_DATA, status,
4069 &cp->addr, sizeof(cp->addr));
ec109113
MH		 4070 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
4071 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
41bcfd50 4072 u8 *rand192, *hash192, *rand256, *hash256;
ec109113
MH		 4073 u8 status;
4074
86df9200 4075 if (bdaddr_type_is_le(cp->addr.type)) {
d25b78e2
JH		 4076 /* Enforce zero-valued 192-bit parameters as
4077 * long as legacy SMP OOB isn't implemented.
4078 */
4079 if (memcmp(cp->rand192, ZERO_KEY, 16) ||
4080 memcmp(cp->hash192, ZERO_KEY, 16)) {
2a1afb5a
JH		 4081 err = mgmt_cmd_complete(sk, hdev->id,
4082 MGMT_OP_ADD_REMOTE_OOB_DATA,
4083 MGMT_STATUS_INVALID_PARAMS,
4084 addr, sizeof(*addr));
d25b78e2
JH		 4085 goto unlock;
4086 }
4087
86df9200
JH		 4088 rand192 = NULL;
4089 hash192 = NULL;
4090 } else {
41bcfd50
MH		 4091 /* In case one of the P-192 values is set to zero,
4092 * then just disable OOB data for P-192.
4093 */
4094 if (!memcmp(cp->rand192, ZERO_KEY, 16) ||
4095 !memcmp(cp->hash192, ZERO_KEY, 16)) {
4096 rand192 = NULL;
4097 hash192 = NULL;
4098 } else {
4099 rand192 = cp->rand192;
4100 hash192 = cp->hash192;
4101 }
4102 }
4103
4104 /* In case one of the P-256 values is set to zero, then just
4105 * disable OOB data for P-256.
4106 */
4107 if (!memcmp(cp->rand256, ZERO_KEY, 16) ||
4108 !memcmp(cp->hash256, ZERO_KEY, 16)) {
4109 rand256 = NULL;
4110 hash256 = NULL;
4111 } else {
4112 rand256 = cp->rand256;
4113 hash256 = cp->hash256;
86df9200
JH		 4114 }
4115
81328d5c 4116 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
86df9200 4117 cp->addr.type, hash192, rand192,
41bcfd50 4118 hash256, rand256);
ec109113
MH		 4119 if (err < 0)
4120 status = MGMT_STATUS_FAILED;
4121 else
4122 status = MGMT_STATUS_SUCCESS;
4123
2a1afb5a
JH		 4124 err = mgmt_cmd_complete(sk, hdev->id,
4125 MGMT_OP_ADD_REMOTE_OOB_DATA,
4126 status, &cp->addr, sizeof(cp->addr));
ec109113
MH		 4127 } else {
4128 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
a69e8375
JH		 4129 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
4130 MGMT_STATUS_INVALID_PARAMS);
ec109113 4131 }
2763eda6 4132
c19a495c 4133unlock:
09fd0de5 4134 hci_dev_unlock(hdev);
2763eda6
SJ		 4135 return err;
4136}
4137
bdb6d971 4138static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 4139 void *data, u16 len)
2763eda6 4140{
650f726d 4141 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 4142 u8 status;
2763eda6
SJ		 4143 int err;
4144
bdb6d971 4145 BT_DBG("%s", hdev->name);
2763eda6 4146
c19a495c 4147 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 4148 return mgmt_cmd_complete(sk, hdev->id,
4149 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
4150 MGMT_STATUS_INVALID_PARAMS,
4151 &cp->addr, sizeof(cp->addr));
c19a495c 4152
09fd0de5 4153 hci_dev_lock(hdev);
2763eda6 4154
eedbd581
JH		 4155 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
4156 hci_remote_oob_data_clear(hdev);
4157 status = MGMT_STATUS_SUCCESS;
4158 goto done;
4159 }
4160
6928a924 4161 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
2763eda6 4162 if (err < 0)
bf1e3541 4163 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 4164 else
a6785be2 4165 status = MGMT_STATUS_SUCCESS;
bf1e3541 4166
eedbd581 4167done:
2a1afb5a
JH		 4168 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
4169 status, &cp->addr, sizeof(cp->addr));
2763eda6 4170
09fd0de5 4171 hci_dev_unlock(hdev);
2763eda6
SJ		 4172 return err;
4173}
4174
812abb13 4175static bool trigger_bredr_inquiry(struct hci_request *req, u8 *status)
41dc2bd6 4176{
8019044d 4177 struct hci_dev *hdev = req->hdev;
812abb13 4178 struct hci_cp_inquiry cp;
8019044d
MH		 4179 /* General inquiry access code (GIAC) */
4180 u8 lap[3] = { 0x33, 0x8b, 0x9e };
812abb13
JP		 4181
4182 *status = mgmt_bredr_support(hdev);
4183 if (*status)
4184 return false;
4185
4186 if (hci_dev_test_flag(hdev, HCI_INQUIRY)) {
4187 *status = MGMT_STATUS_BUSY;
4188 return false;
4189 }
4190
4191 hci_inquiry_cache_flush(hdev);
4192
4193 memset(&cp, 0, sizeof(cp));
4194 memcpy(&cp.lap, lap, sizeof(cp.lap));
4195 cp.length = DISCOV_BREDR_INQUIRY_LEN;
4196
4197 hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp);
4198
4199 return true;
4200}
4201
4202static bool trigger_le_scan(struct hci_request *req, u16 interval, u8 *status)
4203{
4204 struct hci_dev *hdev = req->hdev;
4205 struct hci_cp_le_set_scan_param param_cp;
4206 struct hci_cp_le_set_scan_enable enable_cp;
8019044d 4207 u8 own_addr_type;
41dc2bd6
AG		 4208 int err;
4209
812abb13
JP		 4210 *status = mgmt_le_support(hdev);
4211 if (*status)
4212 return false;
41dc2bd6 4213
812abb13
JP		 4214 if (hci_dev_test_flag(hdev, HCI_LE_ADV)) {
4215 /* Don't let discovery abort an outgoing connection attempt
4216 * that's using directed advertising.
4217 */
e7d9ab73 4218 if (hci_lookup_le_connect(hdev)) {
812abb13 4219 *status = MGMT_STATUS_REJECTED;
8019044d
MH		 4220 return false;
4221 }
41dc2bd6 4222
9d5fc2f2 4223 cancel_adv_timeout(hdev);
812abb13
JP		 4224 disable_advertising(req);
4225 }
41dc2bd6 4226
812abb13
JP		 4227 /* If controller is scanning, it means the background scanning is
4228 * running. Thus, we should temporarily stop it in order to set the
4229 * discovery scanning parameters.
4230 */
4231 if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
4232 hci_req_add_le_scan_disable(req);
41dc2bd6 4233
812abb13
JP		 4234 /* All active scans will be done with either a resolvable private
4235 * address (when privacy feature has been enabled) or non-resolvable
4236 * private address.
4237 */
4238 err = hci_update_random_address(req, true, &own_addr_type);
4239 if (err < 0) {
4240 *status = MGMT_STATUS_FAILED;
4241 return false;
4242 }
8019044d 4243
812abb13
JP		 4244 memset(&param_cp, 0, sizeof(param_cp));
4245 param_cp.type = LE_SCAN_ACTIVE;
4246 param_cp.interval = cpu_to_le16(interval);
4247 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
4248 param_cp.own_address_type = own_addr_type;
8019044d 4249
812abb13
JP		 4250 hci_req_add(req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
4251 &param_cp);
8019044d 4252
812abb13
JP		 4253 memset(&enable_cp, 0, sizeof(enable_cp));
4254 enable_cp.enable = LE_SCAN_ENABLE;
4255 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
8019044d 4256
812abb13
JP		 4257 hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
4258 &enable_cp);
4259
4260 return true;
4261}
8019044d 4262
812abb13
JP		 4263static bool trigger_discovery(struct hci_request *req, u8 *status)
4264{
4265 struct hci_dev *hdev = req->hdev;
8019044d 4266
812abb13
JP		 4267 switch (hdev->discovery.type) {
4268 case DISCOV_TYPE_BREDR:
4269 if (!trigger_bredr_inquiry(req, status))
4270 return false;
4271 break;
4272
4273 case DISCOV_TYPE_INTERLEAVED:
07d2334a
JP		 4274 if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY,
4275 &hdev->quirks)) {
4276 /* During simultaneous discovery, we double LE scan
4277 * interval. We must leave some time for the controller
4278 * to do BR/EDR inquiry.
4279 */
4280 if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT * 2,
4281 status))
4282 return false;
4283
4284 if (!trigger_bredr_inquiry(req, status))
4285 return false;
4286
4287 return true;
4288 }
4289
812abb13
JP		 4290 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
4291 *status = MGMT_STATUS_NOT_SUPPORTED;
8019044d
MH		 4292 return false;
4293 }
812abb13 4294 /* fall through */
8019044d 4295
812abb13
JP		 4296 case DISCOV_TYPE_LE:
4297 if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT, status))
4298 return false;
8019044d
MH		 4299 break;
4300
4301 default:
4302 *status = MGMT_STATUS_INVALID_PARAMS;
4303 return false;
4304 }
4305
4306 return true;
41dc2bd6
AG		 4307}
4308
1904a853
MH		 4309static void start_discovery_complete(struct hci_dev *hdev, u8 status,
4310 u16 opcode)
7c307720 4311{
3b0602cd 4312 struct mgmt_pending_cmd *cmd;
11e6e25d 4313 unsigned long timeout;
ae55f598 4314
7c307720
AG		 4315 BT_DBG("status %d", status);
4316
11e6e25d 4317 hci_dev_lock(hdev);
41dc2bd6 4318
333ae95d 4319 cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev);
66ea9427 4320 if (!cmd)
333ae95d 4321 cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev);
66ea9427 4322
11e6e25d 4323 if (cmd) {
2922a94f 4324 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d
MH		 4325 mgmt_pending_remove(cmd);
4326 }
7c307720
AG		 4327
4328 if (status) {
11e6e25d
MH		 4329 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4330 goto unlock;
7c307720
AG		 4331 }
4332
7c307720 4333 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
7c307720 4334
2d28cfe7
JP		 4335 /* If the scan involves LE scan, pick proper timeout to schedule
4336 * hdev->le_scan_disable that will stop it.
4337 */
7c307720
AG		 4338 switch (hdev->discovery.type) {
4339 case DISCOV_TYPE_LE:
3d5a76f0 4340 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
7c307720 4341 break;
7c307720 4342 case DISCOV_TYPE_INTERLEAVED:
07d2334a
JP		 4343 /* When running simultaneous discovery, the LE scanning time
4344 * should occupy the whole discovery time sine BR/EDR inquiry
4345 * and LE scanning are scheduled by the controller.
4346 *
4347 * For interleaving discovery in comparison, BR/EDR inquiry
4348 * and LE scanning are done sequentially with separate
4349 * timeouts.
4350 */
4351 if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
4352 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
4353 else
4354 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
7c307720 4355 break;
7c307720 4356 case DISCOV_TYPE_BREDR:
11e6e25d 4357 timeout = 0;
7c307720 4358 break;
7c307720
AG		 4359 default:
4360 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
11e6e25d
MH		 4361 timeout = 0;
4362 break;
7c307720 4363 }
ae55f598 4364
2d28cfe7
JP		 4365 if (timeout) {
4366 /* When service discovery is used and the controller has
4367 * a strict duplicate filter, it is important to remember
4368 * the start and duration of the scan. This is required
4369 * for restarting scanning during the discovery phase.
4370 */
4371 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER,
4372 &hdev->quirks) &&
82f8b651 4373 hdev->discovery.result_filtering) {
2d28cfe7
JP		 4374 hdev->discovery.scan_start = jiffies;
4375 hdev->discovery.scan_duration = timeout;
4376 }
4377
11e6e25d
MH		 4378 queue_delayed_work(hdev->workqueue,
4379 &hdev->le_scan_disable, timeout);
2d28cfe7 4380 }
ae55f598 4381
11e6e25d
MH		 4382unlock:
4383 hci_dev_unlock(hdev);
7c307720
AG		 4384}
4385
bdb6d971 4386static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 4387 void *data, u16 len)
14a53664 4388{
650f726d 4389 struct mgmt_cp_start_discovery *cp = data;
3b0602cd 4390 struct mgmt_pending_cmd *cmd;
7c307720 4391 struct hci_request req;
8019044d 4392 u8 status;
14a53664
JH		 4393 int err;
4394
bdb6d971 4395 BT_DBG("%s", hdev->name);
14a53664 4396
09fd0de5 4397 hci_dev_lock(hdev);
14a53664 4398
4b34ee78 4399 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4400 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4401 MGMT_STATUS_NOT_POWERED,
4402 &cp->type, sizeof(cp->type));
bd2d1334
JH		 4403 goto failed;
4404 }
4405
f5a969f2 4406 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 4407 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 4408 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4409 MGMT_STATUS_BUSY, &cp->type,
4410 sizeof(cp->type));
642be6c7
AG		 4411 goto failed;
4412 }
4413
2922a94f 4414 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, data, len);
14a53664
JH		 4415 if (!cmd) {
4416 err = -ENOMEM;
4417 goto failed;
4418 }
4419
2922a94f
JH		 4420 cmd->cmd_complete = generic_cmd_complete;
4421
22078800
MH		 4422 /* Clear the discovery filter first to free any previously
4423 * allocated memory for the UUID list.
4424 */
4425 hci_discovery_filter_clear(hdev);
4426
4aab14e5 4427 hdev->discovery.type = cp->type;
da25cf6a 4428 hdev->discovery.report_invalid_rssi = false;
4aab14e5 4429
7c307720
AG		 4430 hci_req_init(&req, hdev);
4431
8019044d 4432 if (!trigger_discovery(&req, &status)) {
2a1afb5a
JH		 4433 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4434 status, &cp->type, sizeof(cp->type));
04106755
JH		 4435 mgmt_pending_remove(cmd);
4436 goto failed;
f39799f5 4437 }
04106755 4438
7c307720 4439 err = hci_req_run(&req, start_discovery_complete);
f5a969f2 4440 if (err < 0) {
14a53664 4441 mgmt_pending_remove(cmd);
f5a969f2
MH		 4442 goto failed;
4443 }
7c307720 4444
f5a969f2 4445 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
7c307720 4446
14a53664 4447failed:
09fd0de5 4448 hci_dev_unlock(hdev);
14a53664
JH		 4449 return err;
4450}
f39799f5 4451
3b0602cd
JH		 4452static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
4453 u8 status)
2922a94f 4454{
2a1afb5a
JH		 4455 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
4456 cmd->param, 1);
2922a94f 4457}
04106755 4458
66ea9427
JP		 4459static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
4460 void *data, u16 len)
4461{
4462 struct mgmt_cp_start_service_discovery *cp = data;
3b0602cd 4463 struct mgmt_pending_cmd *cmd;
66ea9427
JP		 4464 struct hci_request req;
4465 const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
4466 u16 uuid_count, expected_len;
4467 u8 status;
4468 int err;
04106755 4469
66ea9427 4470 BT_DBG("%s", hdev->name);
e8bb6b97 4471
66ea9427 4472 hci_dev_lock(hdev);
7c307720 4473
66ea9427 4474 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4475 err = mgmt_cmd_complete(sk, hdev->id,
4476 MGMT_OP_START_SERVICE_DISCOVERY,
4477 MGMT_STATUS_NOT_POWERED,
4478 &cp->type, sizeof(cp->type));
66ea9427
JP		 4479 goto failed;
4480 }
7c307720 4481
66ea9427 4482 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 4483 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 4484 err = mgmt_cmd_complete(sk, hdev->id,
4485 MGMT_OP_START_SERVICE_DISCOVERY,
4486 MGMT_STATUS_BUSY, &cp->type,
4487 sizeof(cp->type));
66ea9427
JP		 4488 goto failed;
4489 }
d9483943 4490
66ea9427
JP		 4491 uuid_count = __le16_to_cpu(cp->uuid_count);
4492 if (uuid_count > max_uuid_count) {
4493 BT_ERR("service_discovery: too big uuid_count value %u",
4494 uuid_count);
2a1afb5a
JH		 4495 err = mgmt_cmd_complete(sk, hdev->id,
4496 MGMT_OP_START_SERVICE_DISCOVERY,
4497 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4498 sizeof(cp->type));
66ea9427
JP		 4499 goto failed;
4500 }
4501
4502 expected_len = sizeof(*cp) + uuid_count * 16;
4503 if (expected_len != len) {
4504 BT_ERR("service_discovery: expected %u bytes, got %u bytes",
4505 expected_len, len);
2a1afb5a
JH		 4506 err = mgmt_cmd_complete(sk, hdev->id,
4507 MGMT_OP_START_SERVICE_DISCOVERY,
4508 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4509 sizeof(cp->type));
66ea9427
JP		 4510 goto failed;
4511 }
4512
4513 cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
2922a94f 4514 hdev, data, len);
66ea9427
JP		 4515 if (!cmd) {
4516 err = -ENOMEM;
4517 goto failed;
4518 }
4519
2922a94f
JH		 4520 cmd->cmd_complete = service_discovery_cmd_complete;
4521
22078800
MH		 4522 /* Clear the discovery filter first to free any previously
4523 * allocated memory for the UUID list.
4524 */
4525 hci_discovery_filter_clear(hdev);
4526
82f8b651 4527 hdev->discovery.result_filtering = true;
66ea9427
JP		 4528 hdev->discovery.type = cp->type;
4529 hdev->discovery.rssi = cp->rssi;
4530 hdev->discovery.uuid_count = uuid_count;
4531
4532 if (uuid_count > 0) {
4533 hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16,
4534 GFP_KERNEL);
4535 if (!hdev->discovery.uuids) {
2a1afb5a
JH		 4536 err = mgmt_cmd_complete(sk, hdev->id,
4537 MGMT_OP_START_SERVICE_DISCOVERY,
4538 MGMT_STATUS_FAILED,
4539 &cp->type, sizeof(cp->type));
d9483943
JH		 4540 mgmt_pending_remove(cmd);
4541 goto failed;
4542 }
66ea9427 4543 }
d9483943 4544
66ea9427 4545 hci_req_init(&req, hdev);
5e0452c0 4546
66ea9427 4547 if (!trigger_discovery(&req, &status)) {
2a1afb5a
JH		 4548 err = mgmt_cmd_complete(sk, hdev->id,
4549 MGMT_OP_START_SERVICE_DISCOVERY,
4550 status, &cp->type, sizeof(cp->type));
04106755
JH		 4551 mgmt_pending_remove(cmd);
4552 goto failed;
f39799f5 4553 }
3fd24153 4554
7c307720 4555 err = hci_req_run(&req, start_discovery_complete);
66ea9427 4556 if (err < 0) {
14a53664 4557 mgmt_pending_remove(cmd);
66ea9427
JP		 4558 goto failed;
4559 }
4560
4561 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 4562
4563failed:
09fd0de5 4564 hci_dev_unlock(hdev);
14a53664
JH		 4565 return err;
4566}
4567
1904a853 4568static void stop_discovery_complete(struct hci_dev *hdev, u8 status, u16 opcode)
1183fdca 4569{
3b0602cd 4570 struct mgmt_pending_cmd *cmd;
1183fdca 4571
0e05bba6
AG		 4572 BT_DBG("status %d", status);
4573
4574 hci_dev_lock(hdev);
4575
333ae95d 4576 cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
11e6e25d 4577 if (cmd) {
2922a94f 4578 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d 4579 mgmt_pending_remove(cmd);
0e05bba6
AG		 4580 }
4581
11e6e25d
MH		 4582 if (!status)
4583 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
0e05bba6 4584
0e05bba6
AG		 4585 hci_dev_unlock(hdev);
4586}
4587
bdb6d971 4588static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4589 u16 len)
14a53664 4590{
d930650b 4591 struct mgmt_cp_stop_discovery *mgmt_cp = data;
3b0602cd 4592 struct mgmt_pending_cmd *cmd;
0e05bba6 4593 struct hci_request req;
14a53664
JH		 4594 int err;
4595
bdb6d971 4596 BT_DBG("%s", hdev->name);
14a53664 4597
09fd0de5 4598 hci_dev_lock(hdev);
14a53664 4599
30dc78e1 4600 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 4601 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4602 MGMT_STATUS_REJECTED, &mgmt_cp->type,
4603 sizeof(mgmt_cp->type));
d930650b
JH		 4604 goto unlock;
4605 }
4606
4607 if (hdev->discovery.type != mgmt_cp->type) {
2a1afb5a
JH		 4608 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4609 MGMT_STATUS_INVALID_PARAMS,
4610 &mgmt_cp->type, sizeof(mgmt_cp->type));
30dc78e1 4611 goto unlock;
ff9ef578
JH		 4612 }
4613
2922a94f 4614 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
14a53664
JH		 4615 if (!cmd) {
4616 err = -ENOMEM;
30dc78e1
JH		 4617 goto unlock;
4618 }
4619
2922a94f
JH		 4620 cmd->cmd_complete = generic_cmd_complete;
4621
0e05bba6
AG		 4622 hci_req_init(&req, hdev);
4623
21a60d30 4624 hci_stop_discovery(&req);
e0d9727e 4625
21a60d30
JH		 4626 err = hci_req_run(&req, stop_discovery_complete);
4627 if (!err) {
4628 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 4629 goto unlock;
14a53664
JH		 4630 }
4631
21a60d30
JH		 4632 mgmt_pending_remove(cmd);
4633
4634 /* If no HCI commands were sent we're done */
4635 if (err == -ENODATA) {
2a1afb5a
JH		 4636 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
4637 &mgmt_cp->type, sizeof(mgmt_cp->type));
21a60d30
JH		 4638 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4639 }
14a53664 4640
30dc78e1 4641unlock:
09fd0de5 4642 hci_dev_unlock(hdev);
14a53664
JH		 4643 return err;
4644}
4645
bdb6d971 4646static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4647 u16 len)
561aafbc 4648{
650f726d 4649 struct mgmt_cp_confirm_name *cp = data;
561aafbc 4650 struct inquiry_entry *e;
561aafbc
JH		 4651 int err;
4652
bdb6d971 4653 BT_DBG("%s", hdev->name);
561aafbc 4654
561aafbc
JH		 4655 hci_dev_lock(hdev);
4656
30dc78e1 4657 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 4658 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4659 MGMT_STATUS_FAILED, &cp->addr,
4660 sizeof(cp->addr));
30dc78e1
JH		 4661 goto failed;
4662 }
4663
a198e7b1 4664 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 4665 if (!e) {
2a1afb5a
JH		 4666 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4667 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
4668 sizeof(cp->addr));
561aafbc
JH		 4669 goto failed;
4670 }
4671
4672 if (cp->name_known) {
4673 e->name_state = NAME_KNOWN;
4674 list_del(&e->list);
4675 } else {
4676 e->name_state = NAME_NEEDED;
a3d4e20a 4677 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 4678 }
4679
2a1afb5a
JH		 4680 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0,
4681 &cp->addr, sizeof(cp->addr));
561aafbc
JH		 4682
4683failed:
4684 hci_dev_unlock(hdev);
561aafbc
JH		 4685 return err;
4686}
4687
bdb6d971 4688static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4689 u16 len)
7fbec224 4690{
650f726d 4691 struct mgmt_cp_block_device *cp = data;
f0eeea8b 4692 u8 status;
7fbec224
AJ		 4693 int err;
4694
bdb6d971 4695 BT_DBG("%s", hdev->name);
7fbec224 4696
4ee71b20 4697 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4698 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
4699 MGMT_STATUS_INVALID_PARAMS,
4700 &cp->addr, sizeof(cp->addr));
4ee71b20 4701
09fd0de5 4702 hci_dev_lock(hdev);
5e762444 4703
dcc36c16
JH		 4704 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
4705 cp->addr.type);
2a8357f2 4706 if (err < 0) {
f0eeea8b 4707 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 4708 goto done;
4709 }
4710
4711 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4712 sk);
4713 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4714
2a8357f2 4715done:
2a1afb5a
JH		 4716 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
4717 &cp->addr, sizeof(cp->addr));
5e762444 4718
09fd0de5 4719 hci_dev_unlock(hdev);
7fbec224
AJ		 4720
4721 return err;
4722}
4723
bdb6d971 4724static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4725 u16 len)
7fbec224 4726{
650f726d 4727 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 4728 u8 status;
7fbec224
AJ		 4729 int err;
4730
bdb6d971 4731 BT_DBG("%s", hdev->name);
7fbec224 4732
4ee71b20 4733 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4734 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4735 MGMT_STATUS_INVALID_PARAMS,
4736 &cp->addr, sizeof(cp->addr));
4ee71b20 4737
09fd0de5 4738 hci_dev_lock(hdev);
5e762444 4739
dcc36c16
JH		 4740 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4741 cp->addr.type);
2a8357f2 4742 if (err < 0) {
f0eeea8b 4743 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 4744 goto done;
4745 }
4746
4747 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4748 sk);
4749 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4750
2a8357f2 4751done:
2a1afb5a
JH		 4752 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
4753 &cp->addr, sizeof(cp->addr));
5e762444 4754
09fd0de5 4755 hci_dev_unlock(hdev);
7fbec224
AJ		 4756
4757 return err;
4758}
4759
cdbaccca
MH		 4760static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4761 u16 len)
4762{
4763 struct mgmt_cp_set_device_id *cp = data;
890ea898 4764 struct hci_request req;
cdbaccca 4765 int err;
c72d4b8a 4766 __u16 source;
cdbaccca
MH		 4767
4768 BT_DBG("%s", hdev->name);
4769
c72d4b8a
SJ		 4770 source = __le16_to_cpu(cp->source);
4771
4772 if (source > 0x0002)
a69e8375
JH		 4773 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4774 MGMT_STATUS_INVALID_PARAMS);
c72d4b8a 4775
cdbaccca
MH		 4776 hci_dev_lock(hdev);
4777
c72d4b8a 4778 hdev->devid_source = source;
cdbaccca
MH		 4779 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4780 hdev->devid_product = __le16_to_cpu(cp->product);
4781 hdev->devid_version = __le16_to_cpu(cp->version);
4782
2a1afb5a
JH		 4783 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
4784 NULL, 0);
cdbaccca 4785
890ea898
JH		 4786 hci_req_init(&req, hdev);
4787 update_eir(&req);
4788 hci_req_run(&req, NULL);
cdbaccca
MH		 4789
4790 hci_dev_unlock(hdev);
4791
4792 return err;
4793}
4794
24b4f38f
AU		 4795static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
4796 u16 opcode)
4797{
4798 BT_DBG("status %d", status);
4799}
4800
1904a853
MH		 4801static void set_advertising_complete(struct hci_dev *hdev, u8 status,
4802 u16 opcode)
4375f103
JH		 4803{
4804 struct cmd_lookup match = { NULL, hdev };
24b4f38f 4805 struct hci_request req;
7816b820
FG		 4806 u8 instance;
4807 struct adv_info *adv_instance;
4808 int err;
4375f103 4809
3ad67582
JK		 4810 hci_dev_lock(hdev);
4811
4375f103
JH		 4812 if (status) {
4813 u8 mgmt_err = mgmt_status(status);
4814
4815 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4816 cmd_status_rsp, &mgmt_err);
3ad67582 4817 goto unlock;
4375f103
JH		 4818 }
4819
d7a5a11d 4820 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
a1536da2 4821 hci_dev_set_flag(hdev, HCI_ADVERTISING);
c93bd150 4822 else
a358dc11 4823 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
c93bd150 4824
4375f103
JH		 4825 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4826 &match);
4827
4828 new_settings(hdev, match.sk);
4829
4830 if (match.sk)
4831 sock_put(match.sk);
3ad67582 4832
24b4f38f 4833 /* If "Set Advertising" was just disabled and instance advertising was
7816b820 4834 * set up earlier, then re-enable multi-instance advertising.
24b4f38f
AU		 4835 */
4836 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7816b820
FG		 4837 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) ||
4838 list_empty(&hdev->adv_instances))
24b4f38f
AU		 4839 goto unlock;
4840
7816b820
FG		 4841 instance = hdev->cur_adv_instance;
4842 if (!instance) {
4843 adv_instance = list_first_entry_or_null(&hdev->adv_instances,
4844 struct adv_info, list);
4845 if (!adv_instance)
4846 goto unlock;
4847
4848 instance = adv_instance->instance;
4849 }
4850
24b4f38f
AU		 4851 hci_req_init(&req, hdev);
4852
7816b820
FG		 4853 err = schedule_adv_instance(&req, instance, true);
4854
4855 if (!err)
4856 err = hci_req_run(&req, enable_advertising_instance);
24b4f38f 4857
7816b820 4858 if (err)
24b4f38f
AU		 4859 BT_ERR("Failed to re-configure advertising");
4860
3ad67582
JK		 4861unlock:
4862 hci_dev_unlock(hdev);
4375f103
JH		 4863}
4864
21b5187f
MH		 4865static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4866 u16 len)
4375f103
JH		 4867{
4868 struct mgmt_mode *cp = data;
3b0602cd 4869 struct mgmt_pending_cmd *cmd;
4375f103 4870 struct hci_request req;
cc91cb04 4871 u8 val, status;
4375f103
JH		 4872 int err;
4873
4874 BT_DBG("request for %s", hdev->name);
4875
e6fe7986
JH		 4876 status = mgmt_le_support(hdev);
4877 if (status)
a69e8375
JH		 4878 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4879 status);
4375f103 4880
cc91cb04 4881 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 4882 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4883 MGMT_STATUS_INVALID_PARAMS);
4375f103
JH		 4884
4885 hci_dev_lock(hdev);
4886
4887 val = !!cp->val;
4375f103 4888
f74ca9b8
JH		 4889 /* The following conditions are ones which mean that we should
4890 * not do any HCI communication but directly send a mgmt
4891 * response to user space (after toggling the flag if
4892 * necessary).
4893 */
cc91cb04 4894 if (!hdev_is_powered(hdev) ||
d7a5a11d
MH		 4895 (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
4896 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) ||
e8bb6b97 4897 hci_conn_num(hdev, LE_LINK) > 0 ||
d7a5a11d 4898 (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
e8bb6b97 4899 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
cc91cb04 4900 bool changed;
4375f103 4901
cc91cb04 4902 if (cp->val) {
238be788 4903 changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING);
cc91cb04 4904 if (cp->val == 0x02)
a1536da2 4905 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4906 else
a358dc11 4907 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4908 } else {
a69d8927 4909 changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING);
a358dc11 4910 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
4375f103
JH		 4911 }
4912
4913 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4914 if (err < 0)
4915 goto unlock;
4916
4917 if (changed)
4918 err = new_settings(hdev, sk);
4919
4920 goto unlock;
4921 }
4922
333ae95d
JH		 4923 if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4924 pending_find(MGMT_OP_SET_LE, hdev)) {
a69e8375
JH		 4925 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4926 MGMT_STATUS_BUSY);
4375f103
JH		 4927 goto unlock;
4928 }
4929
4930 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4931 if (!cmd) {
4932 err = -ENOMEM;
4933 goto unlock;
4934 }
4935
4936 hci_req_init(&req, hdev);
4937
cc91cb04 4938 if (cp->val == 0x02)
a1536da2 4939 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4940 else
a358dc11 4941 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4942
7816b820
FG		 4943 cancel_adv_timeout(hdev);
4944
24b4f38f 4945 if (val) {
7816b820
FG		 4946 /* Switch to instance "0" for the Set Advertising setting.
4947 * We cannot use update_[adv|scan_rsp]_data() here as the
4948 * HCI_ADVERTISING flag is not yet set.
4949 */
efae002c
FG		 4950 update_inst_adv_data(&req, 0x00);
4951 update_inst_scan_rsp_data(&req, 0x00);
bba3aa55 4952 enable_advertising(&req);
24b4f38f 4953 } else {
bba3aa55 4954 disable_advertising(&req);
24b4f38f 4955 }
4375f103
JH		 4956
4957 err = hci_req_run(&req, set_advertising_complete);
4958 if (err < 0)
4959 mgmt_pending_remove(cmd);
4960
4961unlock:
4962 hci_dev_unlock(hdev);
4963 return err;
4964}
4965
d13eafce
MH		 4966static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4967 void *data, u16 len)
4968{
4969 struct mgmt_cp_set_static_address *cp = data;
4970 int err;
4971
4972 BT_DBG("%s", hdev->name);
4973
62af4443 4974 if (!lmp_le_capable(hdev))
a69e8375
JH		 4975 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4976 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 4977
4978 if (hdev_is_powered(hdev))
a69e8375
JH		 4979 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4980 MGMT_STATUS_REJECTED);
d13eafce
MH		 4981
4982 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4983 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
a69e8375
JH		 4984 return mgmt_cmd_status(sk, hdev->id,
4985 MGMT_OP_SET_STATIC_ADDRESS,
4986 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 4987
4988 /* Two most significant bits shall be set */
4989 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
a69e8375
JH		 4990 return mgmt_cmd_status(sk, hdev->id,
4991 MGMT_OP_SET_STATIC_ADDRESS,
4992 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 4993 }
4994
4995 hci_dev_lock(hdev);
4996
4997 bacpy(&hdev->static_addr, &cp->bdaddr);
4998
93690c22
MH		 4999 err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev);
5000 if (err < 0)
5001 goto unlock;
5002
5003 err = new_settings(hdev, sk);
d13eafce 5004
93690c22 5005unlock:
d13eafce 5006 hci_dev_unlock(hdev);
d13eafce
MH		 5007 return err;
5008}
5009
14b49b9a
MH		 5010static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
5011 void *data, u16 len)
5012{
5013 struct mgmt_cp_set_scan_params *cp = data;
5014 __u16 interval, window;
5015 int err;
5016
5017 BT_DBG("%s", hdev->name);
5018
5019 if (!lmp_le_capable(hdev))
a69e8375
JH		 5020 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5021 MGMT_STATUS_NOT_SUPPORTED);
14b49b9a
MH		 5022
5023 interval = __le16_to_cpu(cp->interval);
5024
5025 if (interval < 0x0004 || interval > 0x4000)
a69e8375
JH		 5026 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5027 MGMT_STATUS_INVALID_PARAMS);
14b49b9a
MH		 5028
5029 window = __le16_to_cpu(cp->window);
5030
5031 if (window < 0x0004 || window > 0x4000)
a69e8375
JH		 5032 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5033 MGMT_STATUS_INVALID_PARAMS);
14b49b9a 5034
899e1075 5035 if (window > interval)
a69e8375
JH		 5036 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5037 MGMT_STATUS_INVALID_PARAMS);
899e1075 5038
14b49b9a
MH		 5039 hci_dev_lock(hdev);
5040
5041 hdev->le_scan_interval = interval;
5042 hdev->le_scan_window = window;
5043
2a1afb5a
JH		 5044 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0,
5045 NULL, 0);
14b49b9a 5046
dd2ef8e2
AG		 5047 /* If background scan is running, restart it so new parameters are
5048 * loaded.
5049 */
d7a5a11d 5050 if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
dd2ef8e2
AG		 5051 hdev->discovery.state == DISCOVERY_STOPPED) {
5052 struct hci_request req;
5053
5054 hci_req_init(&req, hdev);
5055
5056 hci_req_add_le_scan_disable(&req);
5057 hci_req_add_le_passive_scan(&req);
5058
5059 hci_req_run(&req, NULL);
5060 }
5061
14b49b9a
MH		 5062 hci_dev_unlock(hdev);
5063
5064 return err;
5065}
5066
1904a853
MH		 5067static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
5068 u16 opcode)
33e38b3e 5069{
3b0602cd 5070 struct mgmt_pending_cmd *cmd;
33e38b3e
JH		 5071
5072 BT_DBG("status 0x%02x", status);
5073
5074 hci_dev_lock(hdev);
5075
333ae95d 5076 cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
33e38b3e
JH		 5077 if (!cmd)
5078 goto unlock;
5079
5080 if (status) {
a69e8375
JH		 5081 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5082 mgmt_status(status));
33e38b3e 5083 } else {
1a4d3c4b
JH		 5084 struct mgmt_mode *cp = cmd->param;
5085
5086 if (cp->val)
a1536da2 5087 hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 5088 else
a358dc11 5089 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 5090
33e38b3e
JH		 5091 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
5092 new_settings(hdev, cmd->sk);
5093 }
5094
5095 mgmt_pending_remove(cmd);
5096
5097unlock:
5098 hci_dev_unlock(hdev);
5099}
5100
bdb6d971 5101static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 5102 void *data, u16 len)
f6422ec6 5103{
650f726d 5104 struct mgmt_mode *cp = data;
3b0602cd 5105 struct mgmt_pending_cmd *cmd;
33e38b3e 5106 struct hci_request req;
f6422ec6
AJ		 5107 int err;
5108
bdb6d971 5109 BT_DBG("%s", hdev->name);
f6422ec6 5110
d7a5a11d 5111 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
56f87901 5112 hdev->hci_ver < BLUETOOTH_VER_1_2)
a69e8375
JH		 5113 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5114 MGMT_STATUS_NOT_SUPPORTED);
33c525c0 5115
a7e80f25 5116 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 5117 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5118 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 5119
f6422ec6
AJ		 5120 hci_dev_lock(hdev);
5121
333ae95d 5122 if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
a69e8375
JH		 5123 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5124 MGMT_STATUS_BUSY);
05cbf29f
JH		 5125 goto unlock;
5126 }
5127
d7a5a11d 5128 if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) {
1a4d3c4b
JH		 5129 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5130 hdev);
5131 goto unlock;
5132 }
5133
406ef2a6 5134 if (!hdev_is_powered(hdev)) {
ce05d603 5135 hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE);
406ef2a6
JH		 5136 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5137 hdev);
5138 new_settings(hdev, sk);
5139 goto unlock;
5140 }
5141
33e38b3e
JH		 5142 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
5143 data, len);
5144 if (!cmd) {
5145 err = -ENOMEM;
5146 goto unlock;
f6422ec6
AJ		 5147 }
5148
33e38b3e
JH		 5149 hci_req_init(&req, hdev);
5150
406d7804 5151 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 5152
5153 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 5154 if (err < 0) {
a69e8375
JH		 5155 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5156 MGMT_STATUS_FAILED);
33e38b3e 5157 mgmt_pending_remove(cmd);
f6422ec6
AJ		 5158 }
5159
33e38b3e 5160unlock:
f6422ec6 5161 hci_dev_unlock(hdev);
33e38b3e 5162
f6422ec6
AJ		 5163 return err;
5164}
5165
1904a853 5166static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
0663ca2a 5167{
3b0602cd 5168 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 5169
5170 BT_DBG("status 0x%02x", status);
5171
5172 hci_dev_lock(hdev);
5173
333ae95d 5174 cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
0663ca2a
JH		 5175 if (!cmd)
5176 goto unlock;
5177
5178 if (status) {
5179 u8 mgmt_err = mgmt_status(status);
5180
5181 /* We need to restore the flag if related HCI commands
5182 * failed.
5183 */
a358dc11 5184 hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a 5185
a69e8375 5186 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
0663ca2a
JH		 5187 } else {
5188 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
5189 new_settings(hdev, cmd->sk);
5190 }
5191
5192 mgmt_pending_remove(cmd);
5193
5194unlock:
5195 hci_dev_unlock(hdev);
5196}
5197
5198static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
5199{
5200 struct mgmt_mode *cp = data;
3b0602cd 5201 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 5202 struct hci_request req;
5203 int err;
5204
5205 BT_DBG("request for %s", hdev->name);
5206
5207 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
a69e8375
JH		 5208 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5209 MGMT_STATUS_NOT_SUPPORTED);
0663ca2a 5210
d7a5a11d 5211 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 5212 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5213 MGMT_STATUS_REJECTED);
0663ca2a
JH		 5214
5215 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 5216 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5217 MGMT_STATUS_INVALID_PARAMS);
0663ca2a
JH		 5218
5219 hci_dev_lock(hdev);
5220
d7a5a11d 5221 if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
0663ca2a
JH		 5222 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5223 goto unlock;
5224 }
5225
5226 if (!hdev_is_powered(hdev)) {
5227 if (!cp->val) {
a358dc11
MH		 5228 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
5229 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
5230 hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
5231 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
5232 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
0663ca2a
JH		 5233 }
5234
ce05d603 5235 hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 5236
5237 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5238 if (err < 0)
5239 goto unlock;
5240
5241 err = new_settings(hdev, sk);
5242 goto unlock;
5243 }
5244
5245 /* Reject disabling when powered on */
5246 if (!cp->val) {
a69e8375
JH		 5247 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5248 MGMT_STATUS_REJECTED);
0663ca2a 5249 goto unlock;
111e4bcc
MH		 5250 } else {
5251 /* When configuring a dual-mode controller to operate
5252 * with LE only and using a static address, then switching
5253 * BR/EDR back on is not allowed.
5254 *
5255 * Dual-mode controllers shall operate with the public
5256 * address as its identity address for BR/EDR and LE. So
5257 * reject the attempt to create an invalid configuration.
3a5486e1
MH		 5258 *
5259 * The same restrictions applies when secure connections
5260 * has been enabled. For BR/EDR this is a controller feature
5261 * while for LE it is a host stack feature. This means that
5262 * switching BR/EDR back on when secure connections has been
5263 * enabled is not a supported transaction.
111e4bcc 5264 */
d7a5a11d 5265 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
3a5486e1 5266 (bacmp(&hdev->static_addr, BDADDR_ANY) ||
d7a5a11d 5267 hci_dev_test_flag(hdev, HCI_SC_ENABLED))) {
a69e8375
JH		 5268 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5269 MGMT_STATUS_REJECTED);
111e4bcc
MH		 5270 goto unlock;
5271 }
0663ca2a
JH		 5272 }
5273
333ae95d 5274 if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
a69e8375
JH		 5275 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5276 MGMT_STATUS_BUSY);
0663ca2a
JH		 5277 goto unlock;
5278 }
5279
5280 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
5281 if (!cmd) {
5282 err = -ENOMEM;
5283 goto unlock;
5284 }
5285
5947f4bc 5286 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 5287 * generates the correct flags.
5288 */
a1536da2 5289 hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 5290
5291 hci_req_init(&req, hdev);
aa8af46e 5292
432df05e 5293 write_fast_connectable(&req, false);
1d2dc5b7 5294 __hci_update_page_scan(&req);
aa8af46e 5295
f14d8f64
MH		 5296 /* Since only the advertising data flags will change, there
5297 * is no need to update the scan response data.
5298 */
5947f4bc 5299 update_adv_data(&req);
aa8af46e 5300
0663ca2a
JH		 5301 err = hci_req_run(&req, set_bredr_complete);
5302 if (err < 0)
5303 mgmt_pending_remove(cmd);
5304
5305unlock:
5306 hci_dev_unlock(hdev);
5307 return err;
5308}
5309
a1443f5a
JH		 5310static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5311{
3b0602cd 5312 struct mgmt_pending_cmd *cmd;
a1443f5a
JH		 5313 struct mgmt_mode *cp;
5314
5315 BT_DBG("%s status %u", hdev->name, status);
5316
5317 hci_dev_lock(hdev);
5318
333ae95d 5319 cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev);
a1443f5a
JH		 5320 if (!cmd)
5321 goto unlock;
5322
5323 if (status) {
a69e8375
JH		 5324 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
5325 mgmt_status(status));
a1443f5a
JH		 5326 goto remove;
5327 }
5328
5329 cp = cmd->param;
5330
5331 switch (cp->val) {
5332 case 0x00:
a358dc11
MH		 5333 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
5334 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5335 break;
5336 case 0x01:
a1536da2 5337 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
a358dc11 5338 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5339 break;
5340 case 0x02:
a1536da2
MH		 5341 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
5342 hci_dev_set_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5343 break;
5344 }
5345
5346 send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev);
5347 new_settings(hdev, cmd->sk);
5348
5349remove:
5350 mgmt_pending_remove(cmd);
5351unlock:
5352 hci_dev_unlock(hdev);
5353}
5354
eac83dc6
MH		 5355static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
5356 void *data, u16 len)
5357{
5358 struct mgmt_mode *cp = data;
3b0602cd 5359 struct mgmt_pending_cmd *cmd;
a1443f5a 5360 struct hci_request req;
a3209694 5361 u8 val;
eac83dc6
MH		 5362 int err;
5363
5364 BT_DBG("request for %s", hdev->name);
5365
05b3c3e7 5366 if (!lmp_sc_capable(hdev) &&
d7a5a11d 5367 !hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 5368 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5369 MGMT_STATUS_NOT_SUPPORTED);
eac83dc6 5370
d7a5a11d 5371 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
59200286 5372 lmp_sc_capable(hdev) &&
d7a5a11d 5373 !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 5374 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5375 MGMT_STATUS_REJECTED);
ed93ec69 5376
0ab04a9c 5377 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375 5378 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
eac83dc6
MH		 5379 MGMT_STATUS_INVALID_PARAMS);
5380
5381 hci_dev_lock(hdev);
5382
05b3c3e7 5383 if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) ||
d7a5a11d 5384 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
eac83dc6
MH		 5385 bool changed;
5386
0ab04a9c 5387 if (cp->val) {
238be788
MH		 5388 changed = !hci_dev_test_and_set_flag(hdev,
5389 HCI_SC_ENABLED);
0ab04a9c 5390 if (cp->val == 0x02)
a1536da2 5391 hci_dev_set_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5392 else
a358dc11 5393 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5394 } else {
a69d8927
MH		 5395 changed = hci_dev_test_and_clear_flag(hdev,
5396 HCI_SC_ENABLED);
a358dc11 5397 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5398 }
eac83dc6
MH		 5399
5400 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5401 if (err < 0)
5402 goto failed;
5403
5404 if (changed)
5405 err = new_settings(hdev, sk);
5406
5407 goto failed;
5408 }
5409
333ae95d 5410 if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
a69e8375
JH		 5411 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5412 MGMT_STATUS_BUSY);
eac83dc6
MH		 5413 goto failed;
5414 }
5415
0ab04a9c
MH		 5416 val = !!cp->val;
5417
d7a5a11d
MH		 5418 if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
5419 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
eac83dc6
MH		 5420 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5421 goto failed;
5422 }
5423
5424 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
5425 if (!cmd) {
5426 err = -ENOMEM;
5427 goto failed;
5428 }
5429
a1443f5a
JH		 5430 hci_req_init(&req, hdev);
5431 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
5432 err = hci_req_run(&req, sc_enable_complete);
eac83dc6
MH		 5433 if (err < 0) {
5434 mgmt_pending_remove(cmd);
5435 goto failed;
5436 }
5437
5438failed:
5439 hci_dev_unlock(hdev);
5440 return err;
5441}
5442
4e39ac81
MH		 5443static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
5444 void *data, u16 len)
5445{
5446 struct mgmt_mode *cp = data;
b9710979 5447 bool changed, use_changed;
4e39ac81
MH		 5448 int err;
5449
5450 BT_DBG("request for %s", hdev->name);
5451
b9710979 5452 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 5453 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
5454 MGMT_STATUS_INVALID_PARAMS);
4e39ac81
MH		 5455
5456 hci_dev_lock(hdev);
5457
5458 if (cp->val)
238be788 5459 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
4e39ac81 5460 else
a69d8927
MH		 5461 changed = hci_dev_test_and_clear_flag(hdev,
5462 HCI_KEEP_DEBUG_KEYS);
4e39ac81 5463
b9710979 5464 if (cp->val == 0x02)
238be788
MH		 5465 use_changed = !hci_dev_test_and_set_flag(hdev,
5466 HCI_USE_DEBUG_KEYS);
b9710979 5467 else
a69d8927
MH		 5468 use_changed = hci_dev_test_and_clear_flag(hdev,
5469 HCI_USE_DEBUG_KEYS);
b9710979
JH		 5470
5471 if (hdev_is_powered(hdev) && use_changed &&
d7a5a11d 5472 hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
b9710979
JH		 5473 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
5474 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
5475 sizeof(mode), &mode);
5476 }
5477
4e39ac81
MH		 5478 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
5479 if (err < 0)
5480 goto unlock;
5481
5482 if (changed)
5483 err = new_settings(hdev, sk);
5484
5485unlock:
5486 hci_dev_unlock(hdev);
5487 return err;
5488}
5489
62b04cd1
JH		 5490static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5491 u16 len)
5492{
5493 struct mgmt_cp_set_privacy *cp = cp_data;
5494 bool changed;
5495 int err;
5496
5497 BT_DBG("request for %s", hdev->name);
5498
5499 if (!lmp_le_capable(hdev))
a69e8375
JH		 5500 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5501 MGMT_STATUS_NOT_SUPPORTED);
62b04cd1
JH		 5502
5503 if (cp->privacy != 0x00 && cp->privacy != 0x01)
a69e8375
JH		 5504 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5505 MGMT_STATUS_INVALID_PARAMS);
62b04cd1
JH		 5506
5507 if (hdev_is_powered(hdev))
a69e8375
JH		 5508 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5509 MGMT_STATUS_REJECTED);
62b04cd1
JH		 5510
5511 hci_dev_lock(hdev);
5512
c21c0ea0
JH		 5513 /* If user space supports this command it is also expected to
5514 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
5515 */
a1536da2 5516 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
c21c0ea0 5517
62b04cd1 5518 if (cp->privacy) {
238be788 5519 changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY);
62b04cd1 5520 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
a1536da2 5521 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
62b04cd1 5522 } else {
a69d8927 5523 changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY);
62b04cd1 5524 memset(hdev->irk, 0, sizeof(hdev->irk));
a358dc11 5525 hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED);
62b04cd1
JH		 5526 }
5527
5528 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
5529 if (err < 0)
5530 goto unlock;
5531
5532 if (changed)
5533 err = new_settings(hdev, sk);
5534
5535unlock:
5536 hci_dev_unlock(hdev);
5537 return err;
5538}
5539
41edf160
JH		 5540static bool irk_is_valid(struct mgmt_irk_info *irk)
5541{
5542 switch (irk->addr.type) {
5543 case BDADDR_LE_PUBLIC:
5544 return true;
5545
5546 case BDADDR_LE_RANDOM:
5547 /* Two most significant bits shall be set */
5548 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5549 return false;
5550 return true;
5551 }
5552
5553 return false;
5554}
5555
5556static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5557 u16 len)
5558{
5559 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 5560 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
5561 sizeof(struct mgmt_irk_info));
41edf160
JH		 5562 u16 irk_count, expected_len;
5563 int i, err;
5564
5565 BT_DBG("request for %s", hdev->name);
5566
5567 if (!lmp_le_capable(hdev))
a69e8375
JH		 5568 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5569 MGMT_STATUS_NOT_SUPPORTED);
41edf160
JH		 5570
5571 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 5572 if (irk_count > max_irk_count) {
5573 BT_ERR("load_irks: too big irk_count value %u", irk_count);
a69e8375
JH		 5574 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5575 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5576 }
41edf160
JH		 5577
5578 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
5579 if (expected_len != len) {
5580 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 5581 expected_len, len);
a69e8375
JH		 5582 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5583 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 5584 }
5585
5586 BT_DBG("%s irk_count %u", hdev->name, irk_count);
5587
5588 for (i = 0; i < irk_count; i++) {
5589 struct mgmt_irk_info *key = &cp->irks[i];
5590
5591 if (!irk_is_valid(key))
a69e8375
JH		 5592 return mgmt_cmd_status(sk, hdev->id,
5593 MGMT_OP_LOAD_IRKS,
5594 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 5595 }
5596
5597 hci_dev_lock(hdev);
5598
5599 hci_smp_irks_clear(hdev);
5600
5601 for (i = 0; i < irk_count; i++) {
5602 struct mgmt_irk_info *irk = &cp->irks[i];
5603 u8 addr_type;
5604
5605 if (irk->addr.type == BDADDR_LE_PUBLIC)
5606 addr_type = ADDR_LE_DEV_PUBLIC;
5607 else
5608 addr_type = ADDR_LE_DEV_RANDOM;
5609
5610 hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
5611 BDADDR_ANY);
5612 }
5613
a1536da2 5614 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
41edf160 5615
2a1afb5a 5616 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
41edf160
JH		 5617
5618 hci_dev_unlock(hdev);
5619
5620 return err;
5621}
5622
3f706b72
JH		 5623static bool ltk_is_valid(struct mgmt_ltk_info *key)
5624{
5625 if (key->master != 0x00 && key->master != 0x01)
5626 return false;
490cb0b3
MH		 5627
5628 switch (key->addr.type) {
5629 case BDADDR_LE_PUBLIC:
5630 return true;
5631
5632 case BDADDR_LE_RANDOM:
5633 /* Two most significant bits shall be set */
5634 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5635 return false;
5636 return true;
5637 }
5638
5639 return false;
3f706b72
JH		 5640}
5641
bdb6d971 5642static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 5643 void *cp_data, u16 len)
346af67b 5644{
346af67b 5645 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 5646 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
5647 sizeof(struct mgmt_ltk_info));
346af67b 5648 u16 key_count, expected_len;
715a5bf2 5649 int i, err;
346af67b 5650
cf99ba13
MH		 5651 BT_DBG("request for %s", hdev->name);
5652
5653 if (!lmp_le_capable(hdev))
a69e8375
JH		 5654 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5655 MGMT_STATUS_NOT_SUPPORTED);
cf99ba13 5656
1f350c87 5657 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 5658 if (key_count > max_key_count) {
5659 BT_ERR("load_ltks: too big key_count value %u", key_count);
a69e8375
JH		 5660 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5661 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5662 }
346af67b
VCG		 5663
5664 expected_len = sizeof(*cp) + key_count *
5665 sizeof(struct mgmt_ltk_info);
5666 if (expected_len != len) {
5667 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 5668 expected_len, len);
a69e8375
JH		 5669 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5670 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 5671 }
5672
bdb6d971 5673 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 5674
54ad6d8a
JH		 5675 for (i = 0; i < key_count; i++) {
5676 struct mgmt_ltk_info *key = &cp->keys[i];
5677
3f706b72 5678 if (!ltk_is_valid(key))
a69e8375
JH		 5679 return mgmt_cmd_status(sk, hdev->id,
5680 MGMT_OP_LOAD_LONG_TERM_KEYS,
5681 MGMT_STATUS_INVALID_PARAMS);
54ad6d8a
JH		 5682 }
5683
346af67b
VCG		 5684 hci_dev_lock(hdev);
5685
5686 hci_smp_ltks_clear(hdev);
5687
5688 for (i = 0; i < key_count; i++) {
5689 struct mgmt_ltk_info *key = &cp->keys[i];
d7b25450 5690 u8 type, addr_type, authenticated;
79d95a19
MH		 5691
5692 if (key->addr.type == BDADDR_LE_PUBLIC)
5693 addr_type = ADDR_LE_DEV_PUBLIC;
5694 else
5695 addr_type = ADDR_LE_DEV_RANDOM;
346af67b 5696
61b43357
JH		 5697 switch (key->type) {
5698 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 5699 authenticated = 0x00;
23fb8de3 5700 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
61b43357
JH		 5701 break;
5702 case MGMT_LTK_AUTHENTICATED:
d7b25450 5703 authenticated = 0x01;
23fb8de3
JH		 5704 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
5705 break;
5706 case MGMT_LTK_P256_UNAUTH:
5707 authenticated = 0x00;
5708 type = SMP_LTK_P256;
61b43357 5709 break;
23fb8de3
JH		 5710 case MGMT_LTK_P256_AUTH:
5711 authenticated = 0x01;
5712 type = SMP_LTK_P256;
61b43357 5713 break;
23fb8de3
JH		 5714 case MGMT_LTK_P256_DEBUG:
5715 authenticated = 0x00;
5716 type = SMP_LTK_P256_DEBUG;
61b43357
JH		 5717 default:
5718 continue;
5719 }
d7b25450 5720
35d70271 5721 hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
d7b25450 5722 authenticated, key->val, key->enc_size, key->ediv,
35d70271 5723 key->rand);
346af67b
VCG		 5724 }
5725
2a1afb5a 5726 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
715a5bf2
JH		 5727 NULL, 0);
5728
346af67b 5729 hci_dev_unlock(hdev);
346af67b 5730
715a5bf2 5731 return err;
346af67b
VCG		 5732}
5733
3b0602cd 5734static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
dd983808 5735{
dd983808 5736 struct hci_conn *conn = cmd->user_data;
9981bdb0 5737 struct mgmt_rp_get_conn_info rp;
9df74653 5738 int err;
dd983808 5739
9981bdb0 5740 memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
dd983808 5741
9981bdb0 5742 if (status == MGMT_STATUS_SUCCESS) {
dd983808 5743 rp.rssi = conn->rssi;
9981bdb0
JH		 5744 rp.tx_power = conn->tx_power;
5745 rp.max_tx_power = conn->max_tx_power;
5746 } else {
5747 rp.rssi = HCI_RSSI_INVALID;
5748 rp.tx_power = HCI_TX_POWER_INVALID;
5749 rp.max_tx_power = HCI_TX_POWER_INVALID;
dd983808
AK		 5750 }
5751
2a1afb5a
JH		 5752 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
5753 status, &rp, sizeof(rp));
dd983808
AK		 5754
5755 hci_conn_drop(conn);
f8aaf9b6 5756 hci_conn_put(conn);
9df74653
JH		 5757
5758 return err;
dd983808
AK		 5759}
5760
1904a853
MH		 5761static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
5762 u16 opcode)
dd983808
AK		 5763{
5764 struct hci_cp_read_rssi *cp;
3b0602cd 5765 struct mgmt_pending_cmd *cmd;
dd983808 5766 struct hci_conn *conn;
dd983808 5767 u16 handle;
9981bdb0 5768 u8 status;
dd983808 5769
9981bdb0 5770 BT_DBG("status 0x%02x", hci_status);
dd983808
AK		 5771
5772 hci_dev_lock(hdev);
5773
dd983808
AK		 5774 /* Commands sent in request are either Read RSSI or Read Transmit Power
5775 * Level so we check which one was last sent to retrieve connection
5776 * handle. Both commands have handle as first parameter so it's safe to
5777 * cast data on the same command struct.
5778 *
5779 * First command sent is always Read RSSI and we fail only if it fails.
5780 * In other case we simply override error to indicate success as we
5781 * already remembered if TX power value is actually valid.
5782 */
5783 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
5784 if (!cp) {
5785 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
9981bdb0
JH		 5786 status = MGMT_STATUS_SUCCESS;
5787 } else {
5788 status = mgmt_status(hci_status);
dd983808
AK		 5789 }
5790
5791 if (!cp) {
9981bdb0 5792 BT_ERR("invalid sent_cmd in conn_info response");
dd983808
AK		 5793 goto unlock;
5794 }
5795
5796 handle = __le16_to_cpu(cp->handle);
5797 conn = hci_conn_hash_lookup_handle(hdev, handle);
5798 if (!conn) {
9981bdb0 5799 BT_ERR("unknown handle (%d) in conn_info response", handle);
dd983808
AK		 5800 goto unlock;
5801 }
5802
333ae95d 5803 cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn);
9981bdb0
JH		 5804 if (!cmd)
5805 goto unlock;
dd983808 5806
9981bdb0
JH		 5807 cmd->cmd_complete(cmd, status);
5808 mgmt_pending_remove(cmd);
dd983808
AK		 5809
5810unlock:
5811 hci_dev_unlock(hdev);
5812}
5813
5814static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
5815 u16 len)
5816{
5817 struct mgmt_cp_get_conn_info *cp = data;
5818 struct mgmt_rp_get_conn_info rp;
5819 struct hci_conn *conn;
5820 unsigned long conn_info_age;
5821 int err = 0;
5822
5823 BT_DBG("%s", hdev->name);
5824
5825 memset(&rp, 0, sizeof(rp));
5826 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5827 rp.addr.type = cp->addr.type;
5828
5829 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 5830 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5831 MGMT_STATUS_INVALID_PARAMS,
5832 &rp, sizeof(rp));
dd983808
AK		 5833
5834 hci_dev_lock(hdev);
5835
5836 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 5837 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5838 MGMT_STATUS_NOT_POWERED, &rp,
5839 sizeof(rp));
dd983808
AK		 5840 goto unlock;
5841 }
5842
5843 if (cp->addr.type == BDADDR_BREDR)
5844 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5845 &cp->addr.bdaddr);
5846 else
5847 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5848
5849 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 5850 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5851 MGMT_STATUS_NOT_CONNECTED, &rp,
5852 sizeof(rp));
dd983808
AK		 5853 goto unlock;
5854 }
5855
333ae95d 5856 if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) {
2a1afb5a
JH		 5857 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5858 MGMT_STATUS_BUSY, &rp, sizeof(rp));
9981bdb0
JH		 5859 goto unlock;
5860 }
5861
dd983808
AK		 5862 /* To avoid client trying to guess when to poll again for information we
5863 * calculate conn info age as random value between min/max set in hdev.
5864 */
5865 conn_info_age = hdev->conn_info_min_age +
5866 prandom_u32_max(hdev->conn_info_max_age -
5867 hdev->conn_info_min_age);
5868
5869 /* Query controller to refresh cached values if they are too old or were
5870 * never read.
5871 */
f4e2dd53
AK		 5872 if (time_after(jiffies, conn->conn_info_timestamp +
5873 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 5874 !conn->conn_info_timestamp) {
5875 struct hci_request req;
5876 struct hci_cp_read_tx_power req_txp_cp;
5877 struct hci_cp_read_rssi req_rssi_cp;
3b0602cd 5878 struct mgmt_pending_cmd *cmd;
dd983808
AK		 5879
5880 hci_req_init(&req, hdev);
5881 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5882 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5883 &req_rssi_cp);
5884
f7faab0c
AK		 5885 /* For LE links TX power does not change thus we don't need to
5886 * query for it once value is known.
5887 */
5888 if (!bdaddr_type_is_le(cp->addr.type) ||
5889 conn->tx_power == HCI_TX_POWER_INVALID) {
5890 req_txp_cp.handle = cpu_to_le16(conn->handle);
5891 req_txp_cp.type = 0x00;
5892 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5893 sizeof(req_txp_cp), &req_txp_cp);
5894 }
dd983808 5895
eed5daf3
AK		 5896 /* Max TX power needs to be read only once per connection */
5897 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5898 req_txp_cp.handle = cpu_to_le16(conn->handle);
5899 req_txp_cp.type = 0x01;
5900 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5901 sizeof(req_txp_cp), &req_txp_cp);
5902 }
5903
dd983808
AK		 5904 err = hci_req_run(&req, conn_info_refresh_complete);
5905 if (err < 0)
5906 goto unlock;
5907
5908 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5909 data, len);
5910 if (!cmd) {
5911 err = -ENOMEM;
5912 goto unlock;
5913 }
5914
5915 hci_conn_hold(conn);
f8aaf9b6 5916 cmd->user_data = hci_conn_get(conn);
9981bdb0 5917 cmd->cmd_complete = conn_info_cmd_complete;
dd983808
AK		 5918
5919 conn->conn_info_timestamp = jiffies;
5920 } else {
5921 /* Cache is valid, just reply with values cached in hci_conn */
5922 rp.rssi = conn->rssi;
5923 rp.tx_power = conn->tx_power;
eed5daf3 5924 rp.max_tx_power = conn->max_tx_power;
dd983808 5925
2a1afb5a
JH		 5926 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5927 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
dd983808
AK		 5928 }
5929
5930unlock:
5931 hci_dev_unlock(hdev);
5932 return err;
5933}
5934
3b0602cd 5935static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
95868426 5936{
69487371 5937 struct hci_conn *conn = cmd->user_data;
95868426 5938 struct mgmt_rp_get_clock_info rp;
69487371 5939 struct hci_dev *hdev;
9df74653 5940 int err;
69487371
JH		 5941
5942 memset(&rp, 0, sizeof(rp));
5943 memcpy(&rp.addr, &cmd->param, sizeof(rp.addr));
5944
5945 if (status)
5946 goto complete;
5947
5948 hdev = hci_dev_get(cmd->index);
5949 if (hdev) {
5950 rp.local_clock = cpu_to_le32(hdev->clock);
5951 hci_dev_put(hdev);
5952 }
5953
5954 if (conn) {
5955 rp.piconet_clock = cpu_to_le32(conn->clock);
5956 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5957 }
5958
5959complete:
2a1afb5a
JH		 5960 err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
5961 sizeof(rp));
69487371
JH		 5962
5963 if (conn) {
5964 hci_conn_drop(conn);
5965 hci_conn_put(conn);
5966 }
9df74653
JH		 5967
5968 return err;
69487371
JH		 5969}
5970
1904a853 5971static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
69487371 5972{
95868426 5973 struct hci_cp_read_clock *hci_cp;
3b0602cd 5974 struct mgmt_pending_cmd *cmd;
95868426
JH		 5975 struct hci_conn *conn;
5976
5977 BT_DBG("%s status %u", hdev->name, status);
5978
5979 hci_dev_lock(hdev);
5980
5981 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5982 if (!hci_cp)
5983 goto unlock;
5984
5985 if (hci_cp->which) {
5986 u16 handle = __le16_to_cpu(hci_cp->handle);
5987 conn = hci_conn_hash_lookup_handle(hdev, handle);
5988 } else {
5989 conn = NULL;
5990 }
5991
333ae95d 5992 cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
95868426
JH		 5993 if (!cmd)
5994 goto unlock;
5995
69487371 5996 cmd->cmd_complete(cmd, mgmt_status(status));
95868426 5997 mgmt_pending_remove(cmd);
95868426
JH		 5998
5999unlock:
6000 hci_dev_unlock(hdev);
6001}
6002
6003static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
6004 u16 len)
6005{
6006 struct mgmt_cp_get_clock_info *cp = data;
6007 struct mgmt_rp_get_clock_info rp;
6008 struct hci_cp_read_clock hci_cp;
3b0602cd 6009 struct mgmt_pending_cmd *cmd;
95868426
JH		 6010 struct hci_request req;
6011 struct hci_conn *conn;
6012 int err;
6013
6014 BT_DBG("%s", hdev->name);
6015
6016 memset(&rp, 0, sizeof(rp));
6017 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6018 rp.addr.type = cp->addr.type;
6019
6020 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 6021 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6022 MGMT_STATUS_INVALID_PARAMS,
6023 &rp, sizeof(rp));
95868426
JH		 6024
6025 hci_dev_lock(hdev);
6026
6027 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 6028 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6029 MGMT_STATUS_NOT_POWERED, &rp,
6030 sizeof(rp));
95868426
JH		 6031 goto unlock;
6032 }
6033
6034 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
6035 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
6036 &cp->addr.bdaddr);
6037 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 6038 err = mgmt_cmd_complete(sk, hdev->id,
6039 MGMT_OP_GET_CLOCK_INFO,
6040 MGMT_STATUS_NOT_CONNECTED,
6041 &rp, sizeof(rp));
95868426
JH		 6042 goto unlock;
6043 }
6044 } else {
6045 conn = NULL;
6046 }
6047
6048 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
6049 if (!cmd) {
6050 err = -ENOMEM;
6051 goto unlock;
6052 }
6053
69487371
JH		 6054 cmd->cmd_complete = clock_info_cmd_complete;
6055
95868426
JH		 6056 hci_req_init(&req, hdev);
6057
6058 memset(&hci_cp, 0, sizeof(hci_cp));
6059 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6060
6061 if (conn) {
6062 hci_conn_hold(conn);
f8aaf9b6 6063 cmd->user_data = hci_conn_get(conn);
95868426
JH		 6064
6065 hci_cp.handle = cpu_to_le16(conn->handle);
6066 hci_cp.which = 0x01; /* Piconet clock */
6067 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6068 }
6069
6070 err = hci_req_run(&req, get_clock_info_complete);
6071 if (err < 0)
6072 mgmt_pending_remove(cmd);
6073
6074unlock:
6075 hci_dev_unlock(hdev);
6076 return err;
6077}
6078
5a154e6f
JH		 6079static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
6080{
6081 struct hci_conn *conn;
6082
6083 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
6084 if (!conn)
6085 return false;
6086
6087 if (conn->dst_type != type)
6088 return false;
6089
6090 if (conn->state != BT_CONNECTED)
6091 return false;
6092
6093 return true;
6094}
6095
6096/* This function requires the caller holds hdev->lock */
6097static int hci_conn_params_set(struct hci_request *req, bdaddr_t *addr,
6098 u8 addr_type, u8 auto_connect)
6099{
6100 struct hci_dev *hdev = req->hdev;
6101 struct hci_conn_params *params;
6102
6103 params = hci_conn_params_add(hdev, addr, addr_type);
6104 if (!params)
6105 return -EIO;
6106
6107 if (params->auto_connect == auto_connect)
6108 return 0;
6109
6110 list_del_init(&params->action);
6111
6112 switch (auto_connect) {
6113 case HCI_AUTO_CONN_DISABLED:
6114 case HCI_AUTO_CONN_LINK_LOSS:
28a667c9
JP		 6115 /* If auto connect is being disabled when we're trying to
6116 * connect to device, keep connecting.
6117 */
6118 if (params->explicit_connect)
6119 list_add(&params->action, &hdev->pend_le_conns);
6120
5a154e6f
JH		 6121 __hci_update_background_scan(req);
6122 break;
6123 case HCI_AUTO_CONN_REPORT:
49c50922
JH		 6124 if (params->explicit_connect)
6125 list_add(&params->action, &hdev->pend_le_conns);
6126 else
6127 list_add(&params->action, &hdev->pend_le_reports);
5a154e6f
JH		 6128 __hci_update_background_scan(req);
6129 break;
6130 case HCI_AUTO_CONN_DIRECT:
6131 case HCI_AUTO_CONN_ALWAYS:
6132 if (!is_connected(hdev, addr, addr_type)) {
6133 list_add(&params->action, &hdev->pend_le_conns);
168b8a25
JP		 6134 /* If we are in scan phase of connecting, we were
6135 * already added to pend_le_conns and scanning.
6136 */
6137 if (params->auto_connect != HCI_AUTO_CONN_EXPLICIT)
6138 __hci_update_background_scan(req);
5a154e6f
JH		 6139 }
6140 break;
6141 }
6142
6143 params->auto_connect = auto_connect;
6144
6145 BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
6146 auto_connect);
6147
6148 return 0;
6149}
6150
8afef092
MH		 6151static void device_added(struct sock *sk, struct hci_dev *hdev,
6152 bdaddr_t *bdaddr, u8 type, u8 action)
6153{
6154 struct mgmt_ev_device_added ev;
6155
6156 bacpy(&ev.addr.bdaddr, bdaddr);
6157 ev.addr.type = type;
6158 ev.action = action;
6159
6160 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
6161}
6162
1904a853 6163static void add_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5a154e6f 6164{
3b0602cd 6165 struct mgmt_pending_cmd *cmd;
5a154e6f
JH		 6166
6167 BT_DBG("status 0x%02x", status);
6168
6169 hci_dev_lock(hdev);
6170
333ae95d 6171 cmd = pending_find(MGMT_OP_ADD_DEVICE, hdev);
5a154e6f
JH		 6172 if (!cmd)
6173 goto unlock;
6174
6175 cmd->cmd_complete(cmd, mgmt_status(status));
6176 mgmt_pending_remove(cmd);
6177
6178unlock:
6179 hci_dev_unlock(hdev);
6180}
6181
2faade53
MH		 6182static int add_device(struct sock *sk, struct hci_dev *hdev,
6183 void *data, u16 len)
6184{
6185 struct mgmt_cp_add_device *cp = data;
3b0602cd 6186 struct mgmt_pending_cmd *cmd;
5a154e6f 6187 struct hci_request req;
2faade53
MH		 6188 u8 auto_conn, addr_type;
6189 int err;
6190
6191 BT_DBG("%s", hdev->name);
6192
6659358e 6193 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53 6194 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
2a1afb5a
JH		 6195 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6196 MGMT_STATUS_INVALID_PARAMS,
6197 &cp->addr, sizeof(cp->addr));
2faade53 6198
4b9e7e75 6199 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2a1afb5a
JH		 6200 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6201 MGMT_STATUS_INVALID_PARAMS,
6202 &cp->addr, sizeof(cp->addr));
2faade53 6203
5a154e6f
JH		 6204 hci_req_init(&req, hdev);
6205
2faade53
MH		 6206 hci_dev_lock(hdev);
6207
5a154e6f
JH		 6208 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_DEVICE, hdev, data, len);
6209 if (!cmd) {
6210 err = -ENOMEM;
6211 goto unlock;
6212 }
6213
6214 cmd->cmd_complete = addr_cmd_complete;
6215
6659358e 6216 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 6217 /* Only incoming connections action is supported for now */
6659358e 6218 if (cp->action != 0x01) {
9df74653
JH		 6219 err = cmd->cmd_complete(cmd,
6220 MGMT_STATUS_INVALID_PARAMS);
5a154e6f 6221 mgmt_pending_remove(cmd);
6659358e
JH		 6222 goto unlock;
6223 }
6224
6225 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
6226 cp->addr.type);
6227 if (err)
6228 goto unlock;
a397407f 6229
5a154e6f 6230 __hci_update_page_scan(&req);
a397407f 6231
6659358e
JH		 6232 goto added;
6233 }
6234
2faade53
MH		 6235 if (cp->addr.type == BDADDR_LE_PUBLIC)
6236 addr_type = ADDR_LE_DEV_PUBLIC;
6237 else
6238 addr_type = ADDR_LE_DEV_RANDOM;
6239
4b9e7e75 6240 if (cp->action == 0x02)
2faade53 6241 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 6242 else if (cp->action == 0x01)
6243 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 6244 else
a3451d27 6245 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 6246
9a0a8a8e
JP		 6247 /* Kernel internally uses conn_params with resolvable private
6248 * address, but Add Device allows only identity addresses.
6249 * Make sure it is enforced before calling
6250 * hci_conn_params_lookup.
6251 */
6252 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
6253 err = cmd->cmd_complete(cmd, MGMT_STATUS_INVALID_PARAMS);
6254 mgmt_pending_remove(cmd);
6255 goto unlock;
6256 }
6257
bf5b3c8b
MH		 6258 /* If the connection parameters don't exist for this device,
6259 * they will be created and configured with defaults.
6260 */
5a154e6f 6261 if (hci_conn_params_set(&req, &cp->addr.bdaddr, addr_type,
d06b50ce 6262 auto_conn) < 0) {
9df74653 6263 err = cmd->cmd_complete(cmd, MGMT_STATUS_FAILED);
5a154e6f 6264 mgmt_pending_remove(cmd);
2faade53
MH		 6265 goto unlock;
6266 }
6267
6659358e 6268added:
8afef092
MH		 6269 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
6270
5a154e6f
JH		 6271 err = hci_req_run(&req, add_device_complete);
6272 if (err < 0) {
6273 /* ENODATA means no HCI commands were needed (e.g. if
6274 * the adapter is powered off).
6275 */
9df74653
JH		 6276 if (err == -ENODATA)
6277 err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
5a154e6f
JH		 6278 mgmt_pending_remove(cmd);
6279 }
2faade53
MH		 6280
6281unlock:
6282 hci_dev_unlock(hdev);
6283 return err;
6284}
6285
8afef092
MH		 6286static void device_removed(struct sock *sk, struct hci_dev *hdev,
6287 bdaddr_t *bdaddr, u8 type)
6288{
6289 struct mgmt_ev_device_removed ev;
6290
6291 bacpy(&ev.addr.bdaddr, bdaddr);
6292 ev.addr.type = type;
6293
6294 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
6295}
6296
1904a853 6297static void remove_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
51ef3ebe 6298{
3b0602cd 6299 struct mgmt_pending_cmd *cmd;
51ef3ebe
JH		 6300
6301 BT_DBG("status 0x%02x", status);
6302
6303 hci_dev_lock(hdev);
6304
333ae95d 6305 cmd = pending_find(MGMT_OP_REMOVE_DEVICE, hdev);
51ef3ebe
JH		 6306 if (!cmd)
6307 goto unlock;
6308
6309 cmd->cmd_complete(cmd, mgmt_status(status));
6310 mgmt_pending_remove(cmd);
6311
6312unlock:
6313 hci_dev_unlock(hdev);
6314}
6315
2faade53
MH		 6316static int remove_device(struct sock *sk, struct hci_dev *hdev,
6317 void *data, u16 len)
6318{
6319 struct mgmt_cp_remove_device *cp = data;
3b0602cd 6320 struct mgmt_pending_cmd *cmd;
51ef3ebe 6321 struct hci_request req;
2faade53
MH		 6322 int err;
6323
6324 BT_DBG("%s", hdev->name);
6325
51ef3ebe
JH		 6326 hci_req_init(&req, hdev);
6327
2faade53
MH		 6328 hci_dev_lock(hdev);
6329
51ef3ebe
JH		 6330 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_DEVICE, hdev, data, len);
6331 if (!cmd) {
6332 err = -ENOMEM;
6333 goto unlock;
6334 }
6335
6336 cmd->cmd_complete = addr_cmd_complete;
6337
2faade53 6338 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 6339 struct hci_conn_params *params;
2faade53
MH		 6340 u8 addr_type;
6341
6659358e 6342 if (!bdaddr_type_is_valid(cp->addr.type)) {
9df74653
JH		 6343 err = cmd->cmd_complete(cmd,
6344 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6345 mgmt_pending_remove(cmd);
2faade53
MH		 6346 goto unlock;
6347 }
6348
6659358e
JH		 6349 if (cp->addr.type == BDADDR_BREDR) {
6350 err = hci_bdaddr_list_del(&hdev->whitelist,
6351 &cp->addr.bdaddr,
6352 cp->addr.type);
6353 if (err) {
9df74653
JH		 6354 err = cmd->cmd_complete(cmd,
6355 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6356 mgmt_pending_remove(cmd);
6659358e
JH		 6357 goto unlock;
6358 }
6359
51ef3ebe 6360 __hci_update_page_scan(&req);
a397407f 6361
6659358e
JH		 6362 device_removed(sk, hdev, &cp->addr.bdaddr,
6363 cp->addr.type);
6364 goto complete;
6365 }
6366
2faade53
MH		 6367 if (cp->addr.type == BDADDR_LE_PUBLIC)
6368 addr_type = ADDR_LE_DEV_PUBLIC;
6369 else
6370 addr_type = ADDR_LE_DEV_RANDOM;
6371
9a0a8a8e
JP		 6372 /* Kernel internally uses conn_params with resolvable private
6373 * address, but Remove Device allows only identity addresses.
6374 * Make sure it is enforced before calling
6375 * hci_conn_params_lookup.
6376 */
6377 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
6378 err = cmd->cmd_complete(cmd,
6379 MGMT_STATUS_INVALID_PARAMS);
6380 mgmt_pending_remove(cmd);
6381 goto unlock;
6382 }
6383
c71593dd
JH		 6384 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
6385 addr_type);
6386 if (!params) {
9df74653
JH		 6387 err = cmd->cmd_complete(cmd,
6388 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6389 mgmt_pending_remove(cmd);
c71593dd
JH		 6390 goto unlock;
6391 }
6392
679d2b6f
JH		 6393 if (params->auto_connect == HCI_AUTO_CONN_DISABLED ||
6394 params->auto_connect == HCI_AUTO_CONN_EXPLICIT) {
9df74653
JH		 6395 err = cmd->cmd_complete(cmd,
6396 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6397 mgmt_pending_remove(cmd);
c71593dd
JH		 6398 goto unlock;
6399 }
6400
d1dbf12e 6401 list_del(&params->action);
c71593dd
JH		 6402 list_del(&params->list);
6403 kfree(params);
51ef3ebe 6404 __hci_update_background_scan(&req);
8afef092
MH		 6405
6406 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 6407 } else {
19de0825 6408 struct hci_conn_params *p, *tmp;
6659358e 6409 struct bdaddr_list *b, *btmp;
19de0825 6410
2faade53 6411 if (cp->addr.type) {
9df74653
JH		 6412 err = cmd->cmd_complete(cmd,
6413 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6414 mgmt_pending_remove(cmd);
2faade53
MH		 6415 goto unlock;
6416 }
6417
6659358e
JH		 6418 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
6419 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
6420 list_del(&b->list);
6421 kfree(b);
6422 }
6423
51ef3ebe 6424 __hci_update_page_scan(&req);
a397407f 6425
19de0825
JH		 6426 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
6427 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
6428 continue;
6429 device_removed(sk, hdev, &p->addr, p->addr_type);
679d2b6f
JH		 6430 if (p->explicit_connect) {
6431 p->auto_connect = HCI_AUTO_CONN_EXPLICIT;
6432 continue;
6433 }
19de0825
JH		 6434 list_del(&p->action);
6435 list_del(&p->list);
6436 kfree(p);
6437 }
6438
6439 BT_DBG("All LE connection parameters were removed");
6440
51ef3ebe 6441 __hci_update_background_scan(&req);
2faade53
MH		 6442 }
6443
6659358e 6444complete:
51ef3ebe
JH		 6445 err = hci_req_run(&req, remove_device_complete);
6446 if (err < 0) {
6447 /* ENODATA means no HCI commands were needed (e.g. if
6448 * the adapter is powered off).
6449 */
9df74653
JH		 6450 if (err == -ENODATA)
6451 err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
51ef3ebe
JH		 6452 mgmt_pending_remove(cmd);
6453 }
2faade53
MH		 6454
6455unlock:
6456 hci_dev_unlock(hdev);
6457 return err;
6458}
6459
a26f3dcf
JH		 6460static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
6461 u16 len)
6462{
6463 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 6464 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
6465 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 6466 u16 param_count, expected_len;
6467 int i;
6468
6469 if (!lmp_le_capable(hdev))
a69e8375
JH		 6470 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6471 MGMT_STATUS_NOT_SUPPORTED);
a26f3dcf
JH		 6472
6473 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 6474 if (param_count > max_param_count) {
6475 BT_ERR("load_conn_param: too big param_count value %u",
6476 param_count);
a69e8375
JH		 6477 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6478 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 6479 }
a26f3dcf
JH		 6480
6481 expected_len = sizeof(*cp) + param_count *
6482 sizeof(struct mgmt_conn_param);
6483 if (expected_len != len) {
6484 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
6485 expected_len, len);
a69e8375
JH		 6486 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6487 MGMT_STATUS_INVALID_PARAMS);
a26f3dcf
JH		 6488 }
6489
6490 BT_DBG("%s param_count %u", hdev->name, param_count);
6491
6492 hci_dev_lock(hdev);
6493
6494 hci_conn_params_clear_disabled(hdev);
6495
6496 for (i = 0; i < param_count; i++) {
6497 struct mgmt_conn_param *param = &cp->params[i];
6498 struct hci_conn_params *hci_param;
6499 u16 min, max, latency, timeout;
6500 u8 addr_type;
6501
6502 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
6503 param->addr.type);
6504
6505 if (param->addr.type == BDADDR_LE_PUBLIC) {
6506 addr_type = ADDR_LE_DEV_PUBLIC;
6507 } else if (param->addr.type == BDADDR_LE_RANDOM) {
6508 addr_type = ADDR_LE_DEV_RANDOM;
6509 } else {
6510 BT_ERR("Ignoring invalid connection parameters");
6511 continue;
6512 }
6513
6514 min = le16_to_cpu(param->min_interval);
6515 max = le16_to_cpu(param->max_interval);
6516 latency = le16_to_cpu(param->latency);
6517 timeout = le16_to_cpu(param->timeout);
6518
6519 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
6520 min, max, latency, timeout);
6521
6522 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
6523 BT_ERR("Ignoring invalid connection parameters");
6524 continue;
6525 }
6526
6527 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
6528 addr_type);
6529 if (!hci_param) {
6530 BT_ERR("Failed to add connection parameters");
6531 continue;
6532 }
6533
6534 hci_param->conn_min_interval = min;
6535 hci_param->conn_max_interval = max;
6536 hci_param->conn_latency = latency;
6537 hci_param->supervision_timeout = timeout;
6538 }
6539
6540 hci_dev_unlock(hdev);
6541
2a1afb5a
JH		 6542 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0,
6543 NULL, 0);
a26f3dcf
JH		 6544}
6545
dbece37a
MH		 6546static int set_external_config(struct sock *sk, struct hci_dev *hdev,
6547 void *data, u16 len)
6548{
6549 struct mgmt_cp_set_external_config *cp = data;
6550 bool changed;
6551 int err;
6552
6553 BT_DBG("%s", hdev->name);
6554
6555 if (hdev_is_powered(hdev))
a69e8375
JH		 6556 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6557 MGMT_STATUS_REJECTED);
dbece37a
MH		 6558
6559 if (cp->config != 0x00 && cp->config != 0x01)
a69e8375
JH		 6560 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6561 MGMT_STATUS_INVALID_PARAMS);
dbece37a
MH		 6562
6563 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
a69e8375
JH		 6564 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6565 MGMT_STATUS_NOT_SUPPORTED);
dbece37a
MH		 6566
6567 hci_dev_lock(hdev);
6568
6569 if (cp->config)
238be788 6570 changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a 6571 else
a69d8927 6572 changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a
MH		 6573
6574 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
6575 if (err < 0)
6576 goto unlock;
6577
6578 if (!changed)
6579 goto unlock;
6580
f4537c04
MH		 6581 err = new_options(hdev, sk);
6582
d7a5a11d 6583 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
dbece37a 6584 mgmt_index_removed(hdev);
d603b76b 6585
516018a9 6586 if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
a1536da2
MH		 6587 hci_dev_set_flag(hdev, HCI_CONFIG);
6588 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
d603b76b
MH		 6589
6590 queue_work(hdev->req_workqueue, &hdev->power_on);
6591 } else {
5ea234d3 6592 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 6593 mgmt_index_added(hdev);
6594 }
dbece37a
MH		 6595 }
6596
6597unlock:
6598 hci_dev_unlock(hdev);
6599 return err;
6600}
6601
9713c17b
MH		 6602static int set_public_address(struct sock *sk, struct hci_dev *hdev,
6603 void *data, u16 len)
6604{
6605 struct mgmt_cp_set_public_address *cp = data;
6606 bool changed;
6607 int err;
6608
6609 BT_DBG("%s", hdev->name);
6610
6611 if (hdev_is_powered(hdev))
a69e8375
JH		 6612 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6613 MGMT_STATUS_REJECTED);
9713c17b
MH		 6614
6615 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
a69e8375
JH		 6616 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6617 MGMT_STATUS_INVALID_PARAMS);
9713c17b
MH		 6618
6619 if (!hdev->set_bdaddr)
a69e8375
JH		 6620 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6621 MGMT_STATUS_NOT_SUPPORTED);
9713c17b
MH		 6622
6623 hci_dev_lock(hdev);
6624
6625 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
6626 bacpy(&hdev->public_addr, &cp->bdaddr);
6627
6628 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
6629 if (err < 0)
6630 goto unlock;
6631
6632 if (!changed)
6633 goto unlock;
6634
d7a5a11d 6635 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
9713c17b
MH		 6636 err = new_options(hdev, sk);
6637
6638 if (is_configured(hdev)) {
6639 mgmt_index_removed(hdev);
6640
a358dc11 6641 hci_dev_clear_flag(hdev, HCI_UNCONFIGURED);
9713c17b 6642
a1536da2
MH		 6643 hci_dev_set_flag(hdev, HCI_CONFIG);
6644 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
9713c17b
MH		 6645
6646 queue_work(hdev->req_workqueue, &hdev->power_on);
6647 }
6648
6649unlock:
6650 hci_dev_unlock(hdev);
6651 return err;
6652}
6653
bea41609
MH		 6654static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6655 u8 data_len)
6656{
6657 eir[eir_len++] = sizeof(type) + data_len;
6658 eir[eir_len++] = type;
6659 memcpy(&eir[eir_len], data, data_len);
6660 eir_len += data_len;
6661
6662 return eir_len;
6663}
6664
40f66c05
JH		 6665static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
6666 u16 opcode, struct sk_buff *skb)
6667{
6668 const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
6669 struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
6670 u8 *h192, *r192, *h256, *r256;
6671 struct mgmt_pending_cmd *cmd;
6672 u16 eir_len;
6673 int err;
6674
6675 BT_DBG("%s status %u", hdev->name, status);
6676
6677 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
6678 if (!cmd)
6679 return;
6680
6681 mgmt_cp = cmd->param;
6682
6683 if (status) {
6684 status = mgmt_status(status);
6685 eir_len = 0;
6686
6687 h192 = NULL;
6688 r192 = NULL;
6689 h256 = NULL;
6690 r256 = NULL;
6691 } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
6692 struct hci_rp_read_local_oob_data *rp;
6693
6694 if (skb->len != sizeof(*rp)) {
6695 status = MGMT_STATUS_FAILED;
6696 eir_len = 0;
6697 } else {
6698 status = MGMT_STATUS_SUCCESS;
6699 rp = (void *)skb->data;
6700
6701 eir_len = 5 + 18 + 18;
6702 h192 = rp->hash;
6703 r192 = rp->rand;
6704 h256 = NULL;
6705 r256 = NULL;
6706 }
6707 } else {
6708 struct hci_rp_read_local_oob_ext_data *rp;
6709
6710 if (skb->len != sizeof(*rp)) {
6711 status = MGMT_STATUS_FAILED;
6712 eir_len = 0;
6713 } else {
6714 status = MGMT_STATUS_SUCCESS;
6715 rp = (void *)skb->data;
6716
6717 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
6718 eir_len = 5 + 18 + 18;
6719 h192 = NULL;
6720 r192 = NULL;
6721 } else {
6722 eir_len = 5 + 18 + 18 + 18 + 18;
6723 h192 = rp->hash192;
6724 r192 = rp->rand192;
6725 }
6726
6727 h256 = rp->hash256;
6728 r256 = rp->rand256;
6729 }
6730 }
6731
6732 mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL);
6733 if (!mgmt_rp)
6734 goto done;
6735
6736 if (status)
6737 goto send_rsp;
6738
6739 eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV,
6740 hdev->dev_class, 3);
6741
6742 if (h192 && r192) {
6743 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6744 EIR_SSP_HASH_C192, h192, 16);
6745 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6746 EIR_SSP_RAND_R192, r192, 16);
6747 }
6748
6749 if (h256 && r256) {
6750 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6751 EIR_SSP_HASH_C256, h256, 16);
6752 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6753 EIR_SSP_RAND_R256, r256, 16);
6754 }
6755
6756send_rsp:
6757 mgmt_rp->type = mgmt_cp->type;
6758 mgmt_rp->eir_len = cpu_to_le16(eir_len);
6759
6760 err = mgmt_cmd_complete(cmd->sk, hdev->id,
6761 MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status,
6762 mgmt_rp, sizeof(*mgmt_rp) + eir_len);
6763 if (err < 0 || status)
6764 goto done;
6765
6766 hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS);
6767
6768 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6769 mgmt_rp, sizeof(*mgmt_rp) + eir_len,
6770 HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
6771done:
6772 kfree(mgmt_rp);
6773 mgmt_pending_remove(cmd);
6774}
6775
6776static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
6777 struct mgmt_cp_read_local_oob_ext_data *cp)
6778{
6779 struct mgmt_pending_cmd *cmd;
6780 struct hci_request req;
6781 int err;
6782
6783 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
6784 cp, sizeof(*cp));
6785 if (!cmd)
6786 return -ENOMEM;
6787
6788 hci_req_init(&req, hdev);
6789
6790 if (bredr_sc_enabled(hdev))
6791 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
6792 else
6793 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
6794
6795 err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
6796 if (err < 0) {
6797 mgmt_pending_remove(cmd);
6798 return err;
6799 }
6800
6801 return 0;
6802}
6803
4f0f155c
MH		 6804static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
6805 void *data, u16 data_len)
6806{
6807 struct mgmt_cp_read_local_oob_ext_data *cp = data;
6808 struct mgmt_rp_read_local_oob_ext_data *rp;
6809 size_t rp_len;
6810 u16 eir_len;
0821a2c5 6811 u8 status, flags, role, addr[7], hash[16], rand[16];
4f0f155c
MH		 6812 int err;
6813
6814 BT_DBG("%s", hdev->name);
6815
57b0d3e8
MH		 6816 if (hdev_is_powered(hdev)) {
6817 switch (cp->type) {
6818 case BIT(BDADDR_BREDR):
6819 status = mgmt_bredr_support(hdev);
6820 if (status)
6821 eir_len = 0;
6822 else
6823 eir_len = 5;
6824 break;
6825 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
6826 status = mgmt_le_support(hdev);
6827 if (status)
6828 eir_len = 0;
6829 else
6830 eir_len = 9 + 3 + 18 + 18 + 3;
6831 break;
6832 default:
6833 status = MGMT_STATUS_INVALID_PARAMS;
6834 eir_len = 0;
6835 break;
6836 }
6837 } else {
6838 status = MGMT_STATUS_NOT_POWERED;
6839 eir_len = 0;
4f0f155c
MH		 6840 }
6841
4f0f155c
MH		 6842 rp_len = sizeof(*rp) + eir_len;
6843 rp = kmalloc(rp_len, GFP_ATOMIC);
efcd8c98 6844 if (!rp)
4f0f155c 6845 return -ENOMEM;
efcd8c98 6846
57b0d3e8
MH		 6847 if (status)
6848 goto complete;
6849
efcd8c98 6850 hci_dev_lock(hdev);
4f0f155c
MH		 6851
6852 eir_len = 0;
6853 switch (cp->type) {
6854 case BIT(BDADDR_BREDR):
40f66c05
JH		 6855 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
6856 err = read_local_ssp_oob_req(hdev, sk, cp);
6857 hci_dev_unlock(hdev);
6858 if (!err)
6859 goto done;
6860
6861 status = MGMT_STATUS_FAILED;
6862 goto complete;
6863 } else {
6864 eir_len = eir_append_data(rp->eir, eir_len,
6865 EIR_CLASS_OF_DEV,
6866 hdev->dev_class, 3);
6867 }
4f0f155c
MH		 6868 break;
6869 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
5082a599
MH		 6870 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
6871 smp_generate_oob(hdev, hash, rand) < 0) {
0821a2c5 6872 hci_dev_unlock(hdev);
57b0d3e8
MH		 6873 status = MGMT_STATUS_FAILED;
6874 goto complete;
0821a2c5
MH		 6875 }
6876
e213568a
MH		 6877 /* This should return the active RPA, but since the RPA
6878 * is only programmed on demand, it is really hard to fill
6879 * this in at the moment. For now disallow retrieving
6880 * local out-of-band data when privacy is in use.
6881 *
6882 * Returning the identity address will not help here since
6883 * pairing happens before the identity resolving key is
6884 * known and thus the connection establishment happens
6885 * based on the RPA and not the identity address.
6886 */
4f0f155c 6887 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
e213568a
MH		 6888 hci_dev_unlock(hdev);
6889 status = MGMT_STATUS_REJECTED;
6890 goto complete;
6891 }
6892
6893 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
6894 !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
6895 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
6896 bacmp(&hdev->static_addr, BDADDR_ANY))) {
4f0f155c
MH		 6897 memcpy(addr, &hdev->static_addr, 6);
6898 addr[6] = 0x01;
6899 } else {
6900 memcpy(addr, &hdev->bdaddr, 6);
6901 addr[6] = 0x00;
6902 }
6903
6904 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR,
6905 addr, sizeof(addr));
6906
6907 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
6908 role = 0x02;
6909 else
6910 role = 0x01;
6911
6912 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE,
6913 &role, sizeof(role));
6914
5082a599
MH		 6915 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) {
6916 eir_len = eir_append_data(rp->eir, eir_len,
6917 EIR_LE_SC_CONFIRM,
6918 hash, sizeof(hash));
0821a2c5 6919
5082a599
MH		 6920 eir_len = eir_append_data(rp->eir, eir_len,
6921 EIR_LE_SC_RANDOM,
6922 rand, sizeof(rand));
6923 }
0821a2c5 6924
4f0f155c
MH		 6925 flags = get_adv_discov_flags(hdev);
6926
6927 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
6928 flags |= LE_AD_NO_BREDR;
6929
6930 eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS,
6931 &flags, sizeof(flags));
6932 break;
6933 }
6934
4f0f155c
MH		 6935 hci_dev_unlock(hdev);
6936
72000df2
MH		 6937 hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
6938
57b0d3e8
MH		 6939 status = MGMT_STATUS_SUCCESS;
6940
6941complete:
efcd8c98
MH		 6942 rp->type = cp->type;
6943 rp->eir_len = cpu_to_le16(eir_len);
6944
4f0f155c 6945 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
57b0d3e8
MH		 6946 status, rp, sizeof(*rp) + eir_len);
6947 if (err < 0 || status)
72000df2
MH		 6948 goto done;
6949
6950 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6951 rp, sizeof(*rp) + eir_len,
6952 HCI_MGMT_OOB_DATA_EVENTS, sk);
4f0f155c 6953
0821a2c5 6954done:
4f0f155c
MH		 6955 kfree(rp);
6956
6957 return err;
6958}
6959
089fa8c0
AU		 6960static u32 get_supported_adv_flags(struct hci_dev *hdev)
6961{
6962 u32 flags = 0;
6963
6964 flags |= MGMT_ADV_FLAG_CONNECTABLE;
6965 flags |= MGMT_ADV_FLAG_DISCOV;
6966 flags |= MGMT_ADV_FLAG_LIMITED_DISCOV;
6967 flags |= MGMT_ADV_FLAG_MANAGED_FLAGS;
6968
6969 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID)
6970 flags |= MGMT_ADV_FLAG_TX_POWER;
6971
6972 return flags;
6973}
6974
d3d5305b
MH		 6975static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
6976 void *data, u16 data_len)
6977{
6978 struct mgmt_rp_read_adv_features *rp;
6979 size_t rp_len;
286e0c83 6980 int err, i;
24b4f38f 6981 bool instance;
286e0c83 6982 struct adv_info *adv_instance;
089fa8c0 6983 u32 supported_flags;
d3d5305b
MH		 6984
6985 BT_DBG("%s", hdev->name);
6986
089fa8c0
AU		 6987 if (!lmp_le_capable(hdev))
6988 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
6989 MGMT_STATUS_REJECTED);
6990
d3d5305b
MH		 6991 hci_dev_lock(hdev);
6992
6993 rp_len = sizeof(*rp);
24b4f38f 6994
24b4f38f
AU		 6995 instance = hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE);
6996 if (instance)
286e0c83 6997 rp_len += hdev->adv_instance_cnt;
24b4f38f 6998
d3d5305b
MH		 6999 rp = kmalloc(rp_len, GFP_ATOMIC);
7000 if (!rp) {
7001 hci_dev_unlock(hdev);
7002 return -ENOMEM;
7003 }
7004
089fa8c0
AU		 7005 supported_flags = get_supported_adv_flags(hdev);
7006
7007 rp->supported_flags = cpu_to_le32(supported_flags);
dc5d82a9
MH		 7008 rp->max_adv_data_len = HCI_MAX_AD_LENGTH;
7009 rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH;
d2609b34 7010 rp->max_instances = HCI_MAX_ADV_INSTANCES;
24b4f38f 7011
24b4f38f 7012 if (instance) {
286e0c83
FG		 7013 i = 0;
7014 list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
7015 if (i >= hdev->adv_instance_cnt)
7016 break;
7017
7018 rp->instance[i] = adv_instance->instance;
7019 i++;
7020 }
7021 rp->num_instances = hdev->adv_instance_cnt;
24b4f38f
AU		 7022 } else {
7023 rp->num_instances = 0;
7024 }
d3d5305b
MH		 7025
7026 hci_dev_unlock(hdev);
7027
7028 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
7029 MGMT_STATUS_SUCCESS, rp, rp_len);
7030
7031 kfree(rp);
7032
7033 return err;
7034}
7035
4117ed70 7036static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
b44133ff 7037 u8 len, bool is_adv_data)
24b4f38f 7038{
4117ed70 7039 u8 max_len = HCI_MAX_AD_LENGTH;
24b4f38f 7040 int i, cur_len;
b44133ff 7041 bool flags_managed = false;
5507e358 7042 bool tx_power_managed = false;
67e0c0cd
AU		 7043 u32 flags_params = MGMT_ADV_FLAG_DISCOV | MGMT_ADV_FLAG_LIMITED_DISCOV |
7044 MGMT_ADV_FLAG_MANAGED_FLAGS;
24b4f38f 7045
807ec772 7046 if (is_adv_data && (adv_flags & flags_params)) {
b44133ff
AU		 7047 flags_managed = true;
7048 max_len -= 3;
7049 }
24b4f38f 7050
5507e358
AU		 7051 if (is_adv_data && (adv_flags & MGMT_ADV_FLAG_TX_POWER)) {
7052 tx_power_managed = true;
7053 max_len -= 3;
7054 }
7055
4117ed70 7056 if (len > max_len)
24b4f38f
AU		 7057 return false;
7058
4117ed70
AU		 7059 /* Make sure that the data is correctly formatted. */
7060 for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) {
7061 cur_len = data[i];
24b4f38f 7062
b44133ff
AU		 7063 if (flags_managed && data[i + 1] == EIR_FLAGS)
7064 return false;
7065
5507e358
AU		 7066 if (tx_power_managed && data[i + 1] == EIR_TX_POWER)
7067 return false;
7068
24b4f38f
AU		 7069 /* If the current field length would exceed the total data
7070 * length, then it's invalid.
7071 */
4117ed70 7072 if (i + cur_len >= len)
24b4f38f
AU		 7073 return false;
7074 }
7075
7076 return true;
7077}
7078
24b4f38f
AU		 7079static void add_advertising_complete(struct hci_dev *hdev, u8 status,
7080 u16 opcode)
7081{
7082 struct mgmt_pending_cmd *cmd;
fffd38bc 7083 struct mgmt_cp_add_advertising *cp;
24b4f38f 7084 struct mgmt_rp_add_advertising rp;
fffd38bc
FG		 7085 struct adv_info *adv_instance, *n;
7086 u8 instance;
24b4f38f
AU		 7087
7088 BT_DBG("status %d", status);
7089
7090 hci_dev_lock(hdev);
7091
7092 cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
7093
fffd38bc 7094 if (status)
24b4f38f 7095 hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
fffd38bc
FG		 7096
7097 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
7098 if (!adv_instance->pending)
7099 continue;
7100
7101 if (!status) {
7102 adv_instance->pending = false;
7103 continue;
7104 }
7105
7106 instance = adv_instance->instance;
7107
7108 if (hdev->cur_adv_instance == instance)
7109 cancel_adv_timeout(hdev);
7110
7111 hci_remove_adv_instance(hdev, instance);
7112 advertising_removed(cmd ? cmd->sk : NULL, hdev, instance);
24b4f38f
AU		 7113 }
7114
7115 if (!cmd)
7116 goto unlock;
7117
fffd38bc
FG		 7118 cp = cmd->param;
7119 rp.instance = cp->instance;
24b4f38f
AU		 7120
7121 if (status)
7122 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
7123 mgmt_status(status));
7124 else
7125 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
7126 mgmt_status(status), &rp, sizeof(rp));
7127
7128 mgmt_pending_remove(cmd);
7129
7130unlock:
7131 hci_dev_unlock(hdev);
7132}
7133
5d900e46 7134void mgmt_adv_timeout_expired(struct hci_dev *hdev)
912098a6 7135{
847818d9
FG		 7136 u8 instance;
7137 struct hci_request req;
7138
5d900e46 7139 hdev->adv_instance_timeout = 0;
912098a6 7140
847818d9
FG		 7141 instance = get_current_adv_instance(hdev);
7142 if (instance == 0x00)
7143 return;
7144
912098a6 7145 hci_dev_lock(hdev);
847818d9
FG		 7146 hci_req_init(&req, hdev);
7147
7148 clear_adv_instance(hdev, &req, instance, false);
7149
7150 if (list_empty(&hdev->adv_instances))
7151 disable_advertising(&req);
7152
7153 if (!skb_queue_empty(&req.cmd_q))
7154 hci_req_run(&req, NULL);
7155
912098a6
AU		 7156 hci_dev_unlock(hdev);
7157}
7158
24b4f38f
AU		 7159static int add_advertising(struct sock *sk, struct hci_dev *hdev,
7160 void *data, u16 data_len)
7161{
7162 struct mgmt_cp_add_advertising *cp = data;
7163 struct mgmt_rp_add_advertising rp;
7164 u32 flags;
089fa8c0 7165 u32 supported_flags;
24b4f38f 7166 u8 status;
fffd38bc
FG		 7167 u16 timeout, duration;
7168 unsigned int prev_instance_cnt = hdev->adv_instance_cnt;
7169 u8 schedule_instance = 0;
7170 struct adv_info *next_instance;
24b4f38f
AU		 7171 int err;
7172 struct mgmt_pending_cmd *cmd;
7173 struct hci_request req;
7174
7175 BT_DBG("%s", hdev->name);
7176
7177 status = mgmt_le_support(hdev);
7178 if (status)
7179 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7180 status);
7181
7182 flags = __le32_to_cpu(cp->flags);
912098a6 7183 timeout = __le16_to_cpu(cp->timeout);
fffd38bc 7184 duration = __le16_to_cpu(cp->duration);
24b4f38f 7185
fffd38bc
FG		 7186 /* The current implementation only supports a subset of the specified
7187 * flags.
089fa8c0
AU		 7188 */
7189 supported_flags = get_supported_adv_flags(hdev);
fffd38bc 7190 if (flags & ~supported_flags)
24b4f38f
AU		 7191 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7192 MGMT_STATUS_INVALID_PARAMS);
7193
7194 hci_dev_lock(hdev);
7195
912098a6
AU		 7196 if (timeout && !hdev_is_powered(hdev)) {
7197 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7198 MGMT_STATUS_REJECTED);
7199 goto unlock;
7200 }
7201
24b4f38f 7202 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
da929335 7203 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
24b4f38f
AU		 7204 pending_find(MGMT_OP_SET_LE, hdev)) {
7205 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7206 MGMT_STATUS_BUSY);
7207 goto unlock;
7208 }
7209
b44133ff 7210 if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) ||
4117ed70 7211 !tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len,
b44133ff 7212 cp->scan_rsp_len, false)) {
24b4f38f
AU		 7213 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7214 MGMT_STATUS_INVALID_PARAMS);
7215 goto unlock;
7216 }
7217
fffd38bc
FG		 7218 err = hci_add_adv_instance(hdev, cp->instance, flags,
7219 cp->adv_data_len, cp->data,
7220 cp->scan_rsp_len,
7221 cp->data + cp->adv_data_len,
7222 timeout, duration);
7223 if (err < 0) {
7224 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7225 MGMT_STATUS_FAILED);
7226 goto unlock;
7227 }
24b4f38f 7228
fffd38bc
FG		 7229 /* Only trigger an advertising added event if a new instance was
7230 * actually added.
7231 */
7232 if (hdev->adv_instance_cnt > prev_instance_cnt)
7233 advertising_added(sk, hdev, cp->instance);
912098a6 7234
fffd38bc 7235 hci_dev_set_flag(hdev, HCI_ADVERTISING_INSTANCE);
912098a6 7236
fffd38bc
FG		 7237 if (hdev->cur_adv_instance == cp->instance) {
7238 /* If the currently advertised instance is being changed then
7239 * cancel the current advertising and schedule the next
7240 * instance. If there is only one instance then the overridden
7241 * advertising data will be visible right away.
7242 */
7243 cancel_adv_timeout(hdev);
912098a6 7244
fffd38bc
FG		 7245 next_instance = hci_get_next_instance(hdev, cp->instance);
7246 if (next_instance)
7247 schedule_instance = next_instance->instance;
7248 } else if (!hdev->adv_instance_timeout) {
7249 /* Immediately advertise the new instance if no other
7250 * instance is currently being advertised.
7251 */
7252 schedule_instance = cp->instance;
7253 }
24b4f38f 7254
fffd38bc
FG		 7255 /* If the HCI_ADVERTISING flag is set or the device isn't powered or
7256 * there is no instance to be advertised then we have no HCI
7257 * communication to make. Simply return.
24b4f38f
AU		 7258 */
7259 if (!hdev_is_powered(hdev) ||
fffd38bc
FG		 7260 hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7261 !schedule_instance) {
7262 rp.instance = cp->instance;
24b4f38f
AU		 7263 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7264 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7265 goto unlock;
7266 }
7267
7268 /* We're good to go, update advertising data, parameters, and start
7269 * advertising.
7270 */
7271 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
7272 data_len);
7273 if (!cmd) {
7274 err = -ENOMEM;
7275 goto unlock;
7276 }
7277
7278 hci_req_init(&req, hdev);
7279
fffd38bc
FG		 7280 err = schedule_adv_instance(&req, schedule_instance, true);
7281
7282 if (!err)
7283 err = hci_req_run(&req, add_advertising_complete);
24b4f38f 7284
24b4f38f
AU		 7285 if (err < 0)
7286 mgmt_pending_remove(cmd);
7287
7288unlock:
7289 hci_dev_unlock(hdev);
7290
7291 return err;
7292}
7293
da929335
AU		 7294static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
7295 u16 opcode)
7296{
7297 struct mgmt_pending_cmd *cmd;
01948331 7298 struct mgmt_cp_remove_advertising *cp;
da929335
AU		 7299 struct mgmt_rp_remove_advertising rp;
7300
7301 BT_DBG("status %d", status);
7302
7303 hci_dev_lock(hdev);
7304
7305 /* A failure status here only means that we failed to disable
7306 * advertising. Otherwise, the advertising instance has been removed,
7307 * so report success.
7308 */
7309 cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
7310 if (!cmd)
7311 goto unlock;
7312
01948331
FG		 7313 cp = cmd->param;
7314 rp.instance = cp->instance;
da929335
AU		 7315
7316 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
7317 &rp, sizeof(rp));
7318 mgmt_pending_remove(cmd);
7319
7320unlock:
7321 hci_dev_unlock(hdev);
7322}
7323
7324static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
7325 void *data, u16 data_len)
7326{
7327 struct mgmt_cp_remove_advertising *cp = data;
7328 struct mgmt_rp_remove_advertising rp;
da929335
AU		 7329 struct mgmt_pending_cmd *cmd;
7330 struct hci_request req;
952497b1 7331 int err;
da929335
AU		 7332
7333 BT_DBG("%s", hdev->name);
7334
da929335
AU		 7335 hci_dev_lock(hdev);
7336
952497b1 7337 if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
01948331
FG		 7338 err = mgmt_cmd_status(sk, hdev->id,
7339 MGMT_OP_REMOVE_ADVERTISING,
7340 MGMT_STATUS_INVALID_PARAMS);
7341 goto unlock;
7342 }
7343
da929335
AU		 7344 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
7345 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
7346 pending_find(MGMT_OP_SET_LE, hdev)) {
7347 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7348 MGMT_STATUS_BUSY);
7349 goto unlock;
7350 }
7351
7352 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE)) {
7353 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7354 MGMT_STATUS_INVALID_PARAMS);
7355 goto unlock;
7356 }
7357
01948331 7358 hci_req_init(&req, hdev);
da929335 7359
01948331 7360 clear_adv_instance(hdev, &req, cp->instance, true);
da929335 7361
01948331
FG		 7362 if (list_empty(&hdev->adv_instances))
7363 disable_advertising(&req);
da929335 7364
01948331
FG		 7365 /* If no HCI commands have been collected so far or the HCI_ADVERTISING
7366 * flag is set or the device isn't powered then we have no HCI
7367 * communication to make. Simply return.
da929335 7368 */
01948331
FG		 7369 if (skb_queue_empty(&req.cmd_q) ||
7370 !hdev_is_powered(hdev) ||
da929335 7371 hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
01948331 7372 rp.instance = cp->instance;
da929335
AU		 7373 err = mgmt_cmd_complete(sk, hdev->id,
7374 MGMT_OP_REMOVE_ADVERTISING,
7375 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7376 goto unlock;
7377 }
7378
7379 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
7380 data_len);
7381 if (!cmd) {
7382 err = -ENOMEM;
7383 goto unlock;
7384 }
7385
da929335
AU		 7386 err = hci_req_run(&req, remove_advertising_complete);
7387 if (err < 0)
7388 mgmt_pending_remove(cmd);
7389
7390unlock:
7391 hci_dev_unlock(hdev);
7392
7393 return err;
7394}
7395
6d785aa3 7396static const struct hci_mgmt_handler mgmt_handlers[] = {
0f4e68cf 7397 { NULL }, /* 0x0000 (no command) */
b9a245fb 7398 { read_version, MGMT_READ_VERSION_SIZE,
c91041dc
MH		 7399 HCI_MGMT_NO_HDEV |
7400 HCI_MGMT_UNTRUSTED },
b9a245fb 7401 { read_commands, MGMT_READ_COMMANDS_SIZE,
c91041dc
MH		 7402 HCI_MGMT_NO_HDEV |
7403 HCI_MGMT_UNTRUSTED },
b9a245fb 7404 { read_index_list, MGMT_READ_INDEX_LIST_SIZE,
c91041dc
MH		 7405 HCI_MGMT_NO_HDEV |
7406 HCI_MGMT_UNTRUSTED },
7407 { read_controller_info, MGMT_READ_INFO_SIZE,
7408 HCI_MGMT_UNTRUSTED },
7aea8616
MH		 7409 { set_powered, MGMT_SETTING_SIZE },
7410 { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE },
7411 { set_connectable, MGMT_SETTING_SIZE },
7412 { set_fast_connectable, MGMT_SETTING_SIZE },
7413 { set_bondable, MGMT_SETTING_SIZE },
7414 { set_link_security, MGMT_SETTING_SIZE },
7415 { set_ssp, MGMT_SETTING_SIZE },
7416 { set_hs, MGMT_SETTING_SIZE },
7417 { set_le, MGMT_SETTING_SIZE },
7418 { set_dev_class, MGMT_SET_DEV_CLASS_SIZE },
7419 { set_local_name, MGMT_SET_LOCAL_NAME_SIZE },
7420 { add_uuid, MGMT_ADD_UUID_SIZE },
7421 { remove_uuid, MGMT_REMOVE_UUID_SIZE },
b9a245fb
JH		 7422 { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE,
7423 HCI_MGMT_VAR_LEN },
7424 { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE,
7425 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7426 { disconnect, MGMT_DISCONNECT_SIZE },
7427 { get_connections, MGMT_GET_CONNECTIONS_SIZE },
7428 { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE },
7429 { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE },
7430 { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE },
7431 { pair_device, MGMT_PAIR_DEVICE_SIZE },
7432 { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE },
7433 { unpair_device, MGMT_UNPAIR_DEVICE_SIZE },
7434 { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE },
7435 { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
7436 { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE },
7437 { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
b9a245fb
JH		 7438 { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE },
7439 { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE,
7440 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7441 { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
7442 { start_discovery, MGMT_START_DISCOVERY_SIZE },
7443 { stop_discovery, MGMT_STOP_DISCOVERY_SIZE },
7444 { confirm_name, MGMT_CONFIRM_NAME_SIZE },
7445 { block_device, MGMT_BLOCK_DEVICE_SIZE },
7446 { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE },
7447 { set_device_id, MGMT_SET_DEVICE_ID_SIZE },
7448 { set_advertising, MGMT_SETTING_SIZE },
7449 { set_bredr, MGMT_SETTING_SIZE },
7450 { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE },
7451 { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE },
7452 { set_secure_conn, MGMT_SETTING_SIZE },
7453 { set_debug_keys, MGMT_SETTING_SIZE },
7454 { set_privacy, MGMT_SET_PRIVACY_SIZE },
b9a245fb
JH		 7455 { load_irks, MGMT_LOAD_IRKS_SIZE,
7456 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7457 { get_conn_info, MGMT_GET_CONN_INFO_SIZE },
7458 { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE },
7459 { add_device, MGMT_ADD_DEVICE_SIZE },
7460 { remove_device, MGMT_REMOVE_DEVICE_SIZE },
b9a245fb
JH		 7461 { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE,
7462 HCI_MGMT_VAR_LEN },
7463 { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE,
c91041dc
MH		 7464 HCI_MGMT_NO_HDEV |
7465 HCI_MGMT_UNTRUSTED },
b9a245fb 7466 { read_config_info, MGMT_READ_CONFIG_INFO_SIZE,
c91041dc
MH		 7467 HCI_MGMT_UNCONFIGURED |
7468 HCI_MGMT_UNTRUSTED },
b9a245fb
JH		 7469 { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE,
7470 HCI_MGMT_UNCONFIGURED },
7471 { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE,
7472 HCI_MGMT_UNCONFIGURED },
7473 { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE,
7474 HCI_MGMT_VAR_LEN },
4f0f155c 7475 { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE },
96f1474a 7476 { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE,
c91041dc
MH		 7477 HCI_MGMT_NO_HDEV |
7478 HCI_MGMT_UNTRUSTED },
d3d5305b 7479 { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE },
24b4f38f
AU		 7480 { add_advertising, MGMT_ADD_ADVERTISING_SIZE,
7481 HCI_MGMT_VAR_LEN },
da929335 7482 { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
0f4e68cf
JH		 7483};
7484
bf6b56db 7485void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 7486{
ced85549 7487 struct mgmt_ev_ext_index ev;
bb4b2a9a 7488
0602a8ad
MH		 7489 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7490 return;
7491
f9207338
MH		 7492 switch (hdev->dev_type) {
7493 case HCI_BREDR:
7494 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7495 mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
7496 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 7497 ev.type = 0x01;
f9207338
MH		 7498 } else {
7499 mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
7500 HCI_MGMT_INDEX_EVENTS);
ced85549 7501 ev.type = 0x00;
f9207338
MH		 7502 }
7503 break;
ced85549
MH		 7504 case HCI_AMP:
7505 ev.type = 0x02;
7506 break;
7507 default:
7508 return;
f9207338 7509 }
ced85549
MH		 7510
7511 ev.bus = hdev->bus;
7512
7513 mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev),
7514 HCI_MGMT_EXT_INDEX_EVENTS);
c71e97bf
JH		 7515}
7516
bf6b56db 7517void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 7518{
ced85549 7519 struct mgmt_ev_ext_index ev;
5f159032 7520 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 7521
0602a8ad
MH		 7522 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7523 return;
7524
f9207338
MH		 7525 switch (hdev->dev_type) {
7526 case HCI_BREDR:
7527 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
b24752fe 7528
f9207338
MH		 7529 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7530 mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
7531 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 7532 ev.type = 0x01;
f9207338
MH		 7533 } else {
7534 mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
7535 HCI_MGMT_INDEX_EVENTS);
ced85549 7536 ev.type = 0x00;
f9207338
MH		 7537 }
7538 break;
ced85549
MH		 7539 case HCI_AMP:
7540 ev.type = 0x02;
7541 break;
7542 default:
7543 return;
f9207338 7544 }
ced85549
MH		 7545
7546 ev.bus = hdev->bus;
7547
7548 mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev),
7549 HCI_MGMT_EXT_INDEX_EVENTS);
eec8d2bc
JH		 7550}
7551
6046dc3e 7552/* This function requires the caller holds hdev->lock */
2cf22218 7553static void restart_le_actions(struct hci_request *req)
6046dc3e 7554{
2cf22218 7555 struct hci_dev *hdev = req->hdev;
6046dc3e
AG		 7556 struct hci_conn_params *p;
7557
7558 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 7559 /* Needed for AUTO_OFF case where might not "really"
7560 * have been powered off.
7561 */
7562 list_del_init(&p->action);
7563
7564 switch (p->auto_connect) {
4b9e7e75 7565 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 7566 case HCI_AUTO_CONN_ALWAYS:
7567 list_add(&p->action, &hdev->pend_le_conns);
7568 break;
7569 case HCI_AUTO_CONN_REPORT:
7570 list_add(&p->action, &hdev->pend_le_reports);
7571 break;
7572 default:
7573 break;
c83ed19d 7574 }
6046dc3e 7575 }
c83ed19d 7576
2cf22218 7577 __hci_update_background_scan(req);
6046dc3e
AG		 7578}
7579
1904a853 7580static void powered_complete(struct hci_dev *hdev, u8 status, u16 opcode)
229ab39c
JH		 7581{
7582 struct cmd_lookup match = { NULL, hdev };
7583
7584 BT_DBG("status 0x%02x", status);
7585
162a3bac
MH		 7586 if (!status) {
7587 /* Register the available SMP channels (BR/EDR and LE) only
7588 * when successfully powering on the controller. This late
7589 * registration is required so that LE SMP can clearly
7590 * decide if the public address or static address is used.
7591 */
7592 smp_register(hdev);
7593 }
7594
229ab39c
JH		 7595 hci_dev_lock(hdev);
7596
7597 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
7598
7599 new_settings(hdev, match.sk);
7600
7601 hci_dev_unlock(hdev);
7602
7603 if (match.sk)
7604 sock_put(match.sk);
7605}
7606
70da6243 7607static int powered_update_hci(struct hci_dev *hdev)
5add6af8 7608{
890ea898 7609 struct hci_request req;
320b3bf7 7610 struct adv_info *adv_instance;
70da6243 7611 u8 link_sec;
5add6af8 7612
890ea898
JH		 7613 hci_req_init(&req, hdev);
7614
d7a5a11d 7615 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
70da6243 7616 !lmp_host_ssp_capable(hdev)) {
574ea3c7 7617 u8 mode = 0x01;
5e5282bb 7618
574ea3c7
MH		 7619 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
7620
7621 if (bredr_sc_enabled(hdev) && !lmp_host_sc_capable(hdev)) {
7622 u8 support = 0x01;
5add6af8 7623
574ea3c7
MH		 7624 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT,
7625 sizeof(support), &support);
7626 }
ec6f99b8
JH		 7627 }
7628
d7a5a11d 7629 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
c73eee91 7630 lmp_bredr_capable(hdev)) {
70da6243 7631 struct hci_cp_write_le_host_supported cp;
f0ff92fb 7632
32226e4f
MH		 7633 cp.le = 0x01;
7634 cp.simul = 0x00;
3d1cbdd6 7635
70da6243
JH		 7636 /* Check first if we already have the right
7637 * host state (host features set)
7638 */
7639 if (cp.le != lmp_host_le_capable(hdev) ||
7640 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 7641 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
7642 sizeof(cp), &cp);
70da6243 7643 }
3d1cbdd6 7644
d13eafce 7645 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 7646 /* Make sure the controller has a good default for
7647 * advertising data. This also applies to the case
7648 * where BR/EDR was toggled during the AUTO_OFF phase.
7649 */
320b3bf7
FG		 7650 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
7651 (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7652 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))) {
5947f4bc 7653 update_adv_data(&req);
f14d8f64
MH		 7654 update_scan_rsp_data(&req);
7655 }
441ad2d0 7656
320b3bf7
FG		 7657 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7658 hdev->cur_adv_instance == 0x00 &&
7659 !list_empty(&hdev->adv_instances)) {
7660 adv_instance = list_first_entry(&hdev->adv_instances,
7661 struct adv_info, list);
7662 hdev->cur_adv_instance = adv_instance->instance;
7663 }
7664
7665 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
bba3aa55 7666 enable_advertising(&req);
320b3bf7
FG		 7667 else if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7668 hdev->cur_adv_instance)
7669 schedule_adv_instance(&req, hdev->cur_adv_instance,
7670 true);
2cf22218
JH		 7671
7672 restart_le_actions(&req);
eeca6f89
JH		 7673 }
7674
d7a5a11d 7675 link_sec = hci_dev_test_flag(hdev, HCI_LINK_SECURITY);
70da6243 7676 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 7677 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
7678 sizeof(link_sec), &link_sec);
562fcc24 7679
70da6243 7680 if (lmp_bredr_capable(hdev)) {
d7a5a11d 7681 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
406ef2a6
JH		 7682 write_fast_connectable(&req, true);
7683 else
7684 write_fast_connectable(&req, false);
1d2dc5b7 7685 __hci_update_page_scan(&req);
890ea898 7686 update_class(&req);
13928971 7687 update_name(&req);
890ea898 7688 update_eir(&req);
70da6243 7689 }
562fcc24 7690
229ab39c 7691 return hci_req_run(&req, powered_complete);
70da6243 7692}
562fcc24 7693
70da6243
JH		 7694int mgmt_powered(struct hci_dev *hdev, u8 powered)
7695{
7696 struct cmd_lookup match = { NULL, hdev };
9845904f 7697 u8 status, zero_cod[] = { 0, 0, 0 };
70da6243 7698 int err;
f0ff92fb 7699
d7a5a11d 7700 if (!hci_dev_test_flag(hdev, HCI_MGMT))
70da6243
JH		 7701 return 0;
7702
70da6243 7703 if (powered) {
229ab39c
JH		 7704 if (powered_update_hci(hdev) == 0)
7705 return 0;
fe038884 7706
229ab39c
JH		 7707 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
7708 &match);
7709 goto new_settings;
b24752fe
JH		 7710 }
7711
229ab39c 7712 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
9845904f
JH		 7713
7714 /* If the power off is because of hdev unregistration let
7715 * use the appropriate INVALID_INDEX status. Otherwise use
7716 * NOT_POWERED. We cover both scenarios here since later in
7717 * mgmt_index_removed() any hci_conn callbacks will have already
7718 * been triggered, potentially causing misleading DISCONNECTED
7719 * status responses.
7720 */
d7a5a11d 7721 if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
9845904f
JH		 7722 status = MGMT_STATUS_INVALID_INDEX;
7723 else
7724 status = MGMT_STATUS_NOT_POWERED;
7725
7726 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
229ab39c
JH		 7727
7728 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
f6b7712e
MH		 7729 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
7730 zero_cod, sizeof(zero_cod), NULL);
229ab39c
JH		 7731
7732new_settings:
beadb2bd 7733 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 7734
7735 if (match.sk)
7736 sock_put(match.sk);
7737
7bb895d6 7738 return err;
5add6af8 7739}
73f22f62 7740
3eec705e 7741void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc 7742{
3b0602cd 7743 struct mgmt_pending_cmd *cmd;
96570ffc
JH		 7744 u8 status;
7745
333ae95d 7746 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
96570ffc 7747 if (!cmd)
3eec705e 7748 return;
96570ffc
JH		 7749
7750 if (err == -ERFKILL)
7751 status = MGMT_STATUS_RFKILLED;
7752 else
7753 status = MGMT_STATUS_FAILED;
7754
a69e8375 7755 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 7756
7757 mgmt_pending_remove(cmd);
96570ffc
JH		 7758}
7759
d1967ff8
MH		 7760void mgmt_discoverable_timeout(struct hci_dev *hdev)
7761{
7762 struct hci_request req;
d1967ff8
MH		 7763
7764 hci_dev_lock(hdev);
7765
7766 /* When discoverable timeout triggers, then just make sure
7767 * the limited discoverable flag is cleared. Even in the case
7768 * of a timeout triggered from general discoverable, it is
7769 * safe to unconditionally clear the flag.
7770 */
a358dc11
MH		 7771 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
7772 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
d1967ff8
MH		 7773
7774 hci_req_init(&req, hdev);
d7a5a11d 7775 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
4b580614
JH		 7776 u8 scan = SCAN_PAGE;
7777 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
7778 sizeof(scan), &scan);
7779 }
d1967ff8 7780 update_class(&req);
24b4f38f
AU		 7781
7782 /* Advertising instances don't use the global discoverable setting, so
7783 * only update AD if advertising was enabled using Set Advertising.
7784 */
7785 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
7786 update_adv_data(&req);
7787
d1967ff8
MH		 7788 hci_req_run(&req, NULL);
7789
7790 hdev->discov_timeout = 0;
7791
9a43e25f
JH		 7792 new_settings(hdev, NULL);
7793
d1967ff8
MH		 7794 hci_dev_unlock(hdev);
7795}
7796
dc4a5ee2
MH		 7797void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
7798 bool persistent)
55ed8ca1 7799{
86742e1e 7800 struct mgmt_ev_new_link_key ev;
55ed8ca1 7801
a492cd52 7802 memset(&ev, 0, sizeof(ev));
55ed8ca1 7803
a492cd52 7804 ev.store_hint = persistent;
d753fdc4 7805 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 7806 ev.key.addr.type = BDADDR_BREDR;
a492cd52 7807 ev.key.type = key->type;
9b3b4460 7808 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 7809 ev.key.pin_len = key->pin_len;
55ed8ca1 7810
dc4a5ee2 7811 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 7812}
f7520543 7813
d7b25450
JH		 7814static u8 mgmt_ltk_type(struct smp_ltk *ltk)
7815{
23fb8de3
JH		 7816 switch (ltk->type) {
7817 case SMP_LTK:
7818 case SMP_LTK_SLAVE:
7819 if (ltk->authenticated)
7820 return MGMT_LTK_AUTHENTICATED;
7821 return MGMT_LTK_UNAUTHENTICATED;
7822 case SMP_LTK_P256:
7823 if (ltk->authenticated)
7824 return MGMT_LTK_P256_AUTH;
7825 return MGMT_LTK_P256_UNAUTH;
7826 case SMP_LTK_P256_DEBUG:
7827 return MGMT_LTK_P256_DEBUG;
7828 }
d7b25450
JH		 7829
7830 return MGMT_LTK_UNAUTHENTICATED;
7831}
7832
53ac6ab6 7833void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 7834{
7835 struct mgmt_ev_new_long_term_key ev;
7836
7837 memset(&ev, 0, sizeof(ev));
7838
5192d301 7839 /* Devices using resolvable or non-resolvable random addresses
f72186d2 7840 * without providing an identity resolving key don't require
5192d301
MH		 7841 * to store long term keys. Their addresses will change the
7842 * next time around.
7843 *
7844 * Only when a remote device provides an identity address
7845 * make sure the long term key is stored. If the remote
7846 * identity is known, the long term keys are internally
7847 * mapped to the identity address. So allow static random
7848 * and public addresses here.
7849 */
ba74b666
JH		 7850 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7851 (key->bdaddr.b[5] & 0xc0) != 0xc0)
7852 ev.store_hint = 0x00;
7853 else
53ac6ab6 7854 ev.store_hint = persistent;
ba74b666 7855
346af67b 7856 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 7857 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 7858 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 7859 ev.key.enc_size = key->enc_size;
7860 ev.key.ediv = key->ediv;
fe39c7b2 7861 ev.key.rand = key->rand;
346af67b 7862
2ceba539 7863 if (key->type == SMP_LTK)
346af67b
VCG		 7864 ev.key.master = 1;
7865
1fc62c52
JH		 7866 /* Make sure we copy only the significant bytes based on the
7867 * encryption key size, and set the rest of the value to zeroes.
7868 */
cb92205b 7869 memcpy(ev.key.val, key->val, key->enc_size);
1fc62c52
JH		 7870 memset(ev.key.val + key->enc_size, 0,
7871 sizeof(ev.key.val) - key->enc_size);
346af67b 7872
083368f7 7873 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 7874}
7875
95fbac8a
JH		 7876void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk)
7877{
7878 struct mgmt_ev_new_irk ev;
7879
7880 memset(&ev, 0, sizeof(ev));
7881
bab6d1e5
MH		 7882 /* For identity resolving keys from devices that are already
7883 * using a public address or static random address, do not
7884 * ask for storing this key. The identity resolving key really
f72186d2 7885 * is only mandatory for devices using resolvable random
bab6d1e5
MH		 7886 * addresses.
7887 *
7888 * Storing all identity resolving keys has the downside that
7889 * they will be also loaded on next boot of they system. More
7890 * identity resolving keys, means more time during scanning is
7891 * needed to actually resolve these addresses.
7892 */
7893 if (bacmp(&irk->rpa, BDADDR_ANY))
7894 ev.store_hint = 0x01;
7895 else
7896 ev.store_hint = 0x00;
7897
95fbac8a
JH		 7898 bacpy(&ev.rpa, &irk->rpa);
7899 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
7900 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
7901 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
7902
7903 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
7904}
7905
53ac6ab6
MH		 7906void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
7907 bool persistent)
7ee4ea36
MH		 7908{
7909 struct mgmt_ev_new_csrk ev;
7910
7911 memset(&ev, 0, sizeof(ev));
7912
7913 /* Devices using resolvable or non-resolvable random addresses
f72186d2 7914 * without providing an identity resolving key don't require
7ee4ea36
MH		 7915 * to store signature resolving keys. Their addresses will change
7916 * the next time around.
7917 *
7918 * Only when a remote device provides an identity address
7919 * make sure the signature resolving key is stored. So allow
7920 * static random and public addresses here.
7921 */
7922 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7923 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
7924 ev.store_hint = 0x00;
7925 else
53ac6ab6 7926 ev.store_hint = persistent;
7ee4ea36
MH		 7927
7928 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
7929 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
4cd3928a 7930 ev.key.type = csrk->type;
7ee4ea36
MH		 7931 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
7932
7933 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
7934}
7935
ffb5a827 7936void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 7937 u8 bdaddr_type, u8 store_hint, u16 min_interval,
7938 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 7939{
7940 struct mgmt_ev_new_conn_param ev;
7941
c103aea6
JH		 7942 if (!hci_is_identity_address(bdaddr, bdaddr_type))
7943 return;
7944
ffb5a827
AG		 7945 memset(&ev, 0, sizeof(ev));
7946 bacpy(&ev.addr.bdaddr, bdaddr);
7947 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 7948 ev.store_hint = store_hint;
ffb5a827
AG		 7949 ev.min_interval = cpu_to_le16(min_interval);
7950 ev.max_interval = cpu_to_le16(max_interval);
7951 ev.latency = cpu_to_le16(latency);
7952 ev.timeout = cpu_to_le16(timeout);
7953
7954 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
7955}
7956
48ec92fa
AA		 7957void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
7958 u32 flags, u8 *name, u8 name_len)
f7520543 7959{
b644ba33
JH		 7960 char buf[512];
7961 struct mgmt_ev_device_connected *ev = (void *) buf;
7962 u16 eir_len = 0;
f7520543 7963
48ec92fa
AA		 7964 bacpy(&ev->addr.bdaddr, &conn->dst);
7965 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
f7520543 7966
c95f0ba7 7967 ev->flags = __cpu_to_le32(flags);
08c79b61 7968
fd45ada9
AA		 7969 /* We must ensure that the EIR Data fields are ordered and
7970 * unique. Keep it simple for now and avoid the problem by not
7971 * adding any BR/EDR data to the LE adv.
7972 */
7973 if (conn->le_adv_data_len > 0) {
7974 memcpy(&ev->eir[eir_len],
7975 conn->le_adv_data, conn->le_adv_data_len);
7976 eir_len = conn->le_adv_data_len;
7977 } else {
7978 if (name_len > 0)
7979 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
7980 name, name_len);
b644ba33 7981
ddbea5cf 7982 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
fd45ada9
AA		 7983 eir_len = eir_append_data(ev->eir, eir_len,
7984 EIR_CLASS_OF_DEV,
7985 conn->dev_class, 3);
7986 }
b644ba33 7987
eb55ef07 7988 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 7989
ecd90ae7
MH		 7990 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
7991 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 7992}
7993
3b0602cd 7994static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data)
8962ee74 7995{
8962ee74 7996 struct sock **sk = data;
8962ee74 7997
f5818c22 7998 cmd->cmd_complete(cmd, 0);
8962ee74
JH		 7999
8000 *sk = cmd->sk;
8001 sock_hold(*sk);
8002
a664b5bc 8003 mgmt_pending_remove(cmd);
8962ee74
JH		 8004}
8005
3b0602cd 8006static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data)
a8a1d19e 8007{
b1078ad0 8008 struct hci_dev *hdev = data;
124f6e35 8009 struct mgmt_cp_unpair_device *cp = cmd->param;
a8a1d19e 8010
b1078ad0
JH		 8011 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
8012
d8b7b1e4 8013 cmd->cmd_complete(cmd, 0);
a8a1d19e
JH		 8014 mgmt_pending_remove(cmd);
8015}
8016
84c61d92
JH		 8017bool mgmt_powering_down(struct hci_dev *hdev)
8018{
3b0602cd 8019 struct mgmt_pending_cmd *cmd;
84c61d92
JH		 8020 struct mgmt_mode *cp;
8021
333ae95d 8022 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
84c61d92
JH		 8023 if (!cmd)
8024 return false;
8025
8026 cp = cmd->param;
8027 if (!cp->val)
8028 return true;
8029
8030 return false;
8031}
8032
9b80ec5e 8033void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 8034 u8 link_type, u8 addr_type, u8 reason,
8035 bool mgmt_connected)
f7520543 8036{
f0d6a0ea 8037 struct mgmt_ev_device_disconnected ev;
8962ee74 8038 struct sock *sk = NULL;
8962ee74 8039
84c61d92
JH		 8040 /* The connection is still in hci_conn_hash so test for 1
8041 * instead of 0 to know if this is the last one.
8042 */
8043 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
8044 cancel_delayed_work(&hdev->power_off);
8045 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 8046 }
8047
12d4a3b2
JH		 8048 if (!mgmt_connected)
8049 return;
8050
57eb776f
AG		 8051 if (link_type != ACL_LINK && link_type != LE_LINK)
8052 return;
8053
744cf19e 8054 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 8055
f0d6a0ea
MA		 8056 bacpy(&ev.addr.bdaddr, bdaddr);
8057 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8058 ev.reason = reason;
f7520543 8059
9b80ec5e 8060 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 8061
8062 if (sk)
d97dcb66 8063 sock_put(sk);
8962ee74 8064
124f6e35 8065 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 8066 hdev);
8962ee74
JH		 8067}
8068
7892924c
MH		 8069void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
8070 u8 link_type, u8 addr_type, u8 status)
8962ee74 8071{
3655bba8
AG		 8072 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
8073 struct mgmt_cp_disconnect *cp;
3b0602cd 8074 struct mgmt_pending_cmd *cmd;
8962ee74 8075
36a75f1b
JD		 8076 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
8077 hdev);
8078
333ae95d 8079 cmd = pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 8080 if (!cmd)
7892924c 8081 return;
8962ee74 8082
3655bba8
AG		 8083 cp = cmd->param;
8084
8085 if (bacmp(bdaddr, &cp->addr.bdaddr))
8086 return;
8087
8088 if (cp->addr.type != bdaddr_type)
8089 return;
8090
f5818c22 8091 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8092 mgmt_pending_remove(cmd);
f7520543 8093}
17d5c04c 8094
445608d0
MH		 8095void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8096 u8 addr_type, u8 status)
17d5c04c
JH		 8097{
8098 struct mgmt_ev_connect_failed ev;
c9910d0f 8099
84c61d92
JH		 8100 /* The connection is still in hci_conn_hash so test for 1
8101 * instead of 0 to know if this is the last one.
8102 */
8103 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
8104 cancel_delayed_work(&hdev->power_off);
8105 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 8106 }
17d5c04c 8107
4c659c39 8108 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8109 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 8110 ev.status = mgmt_status(status);
17d5c04c 8111
445608d0 8112 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 8113}
980e1a53 8114
ce0e4a0d 8115void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 8116{
8117 struct mgmt_ev_pin_code_request ev;
8118
d8457698 8119 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 8120 ev.addr.type = BDADDR_BREDR;
a770bb5a 8121 ev.secure = secure;
980e1a53 8122
ce0e4a0d 8123 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 8124}
8125
e669cf80
MH		 8126void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8127 u8 status)
980e1a53 8128{
3b0602cd 8129 struct mgmt_pending_cmd *cmd;
980e1a53 8130
333ae95d 8131 cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 8132 if (!cmd)
e669cf80 8133 return;
980e1a53 8134
7776d1d8 8135 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8136 mgmt_pending_remove(cmd);
980e1a53
JH		 8137}
8138
3eb38528
MH		 8139void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8140 u8 status)
980e1a53 8141{
3b0602cd 8142 struct mgmt_pending_cmd *cmd;
980e1a53 8143
333ae95d 8144 cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 8145 if (!cmd)
3eb38528 8146 return;
980e1a53 8147
7776d1d8 8148 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8149 mgmt_pending_remove(cmd);
980e1a53 8150}
a5c29683 8151
744cf19e 8152int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 8153 u8 link_type, u8 addr_type, u32 value,
04124681 8154 u8 confirm_hint)
a5c29683
JH		 8155{
8156 struct mgmt_ev_user_confirm_request ev;
8157
744cf19e 8158 BT_DBG("%s", hdev->name);
a5c29683 8159
272d90df 8160 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8161 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 8162 ev.confirm_hint = confirm_hint;
39adbffe 8163 ev.value = cpu_to_le32(value);
a5c29683 8164
744cf19e 8165 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 8166 NULL);
a5c29683
JH		 8167}
8168
272d90df 8169int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 8170 u8 link_type, u8 addr_type)
604086b7
BG		 8171{
8172 struct mgmt_ev_user_passkey_request ev;
8173
8174 BT_DBG("%s", hdev->name);
8175
272d90df 8176 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8177 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 8178
8179 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 8180 NULL);
604086b7
BG		 8181}
8182
0df4c185 8183static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 8184 u8 link_type, u8 addr_type, u8 status,
8185 u8 opcode)
a5c29683 8186{
3b0602cd 8187 struct mgmt_pending_cmd *cmd;
a5c29683 8188
333ae95d 8189 cmd = pending_find(opcode, hdev);
a5c29683
JH		 8190 if (!cmd)
8191 return -ENOENT;
8192
7776d1d8 8193 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8194 mgmt_pending_remove(cmd);
a5c29683 8195
7776d1d8 8196 return 0;
a5c29683
JH		 8197}
8198
744cf19e 8199int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8200 u8 link_type, u8 addr_type, u8 status)
a5c29683 8201{
272d90df 8202 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 8203 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 8204}
8205
272d90df 8206int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8207 u8 link_type, u8 addr_type, u8 status)
a5c29683 8208{
272d90df 8209 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 8210 status,
8211 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 8212}
2a611692 8213
604086b7 8214int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8215 u8 link_type, u8 addr_type, u8 status)
604086b7 8216{
272d90df 8217 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 8218 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 8219}
8220
272d90df 8221int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8222 u8 link_type, u8 addr_type, u8 status)
604086b7 8223{
272d90df 8224 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 8225 status,
8226 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 8227}
8228
92a25256
JH		 8229int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
8230 u8 link_type, u8 addr_type, u32 passkey,
8231 u8 entered)
8232{
8233 struct mgmt_ev_passkey_notify ev;
8234
8235 BT_DBG("%s", hdev->name);
8236
8237 bacpy(&ev.addr.bdaddr, bdaddr);
8238 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8239 ev.passkey = __cpu_to_le32(passkey);
8240 ev.entered = entered;
8241
8242 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
8243}
8244
e1e930f5 8245void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
2a611692
JH		 8246{
8247 struct mgmt_ev_auth_failed ev;
3b0602cd 8248 struct mgmt_pending_cmd *cmd;
e1e930f5 8249 u8 status = mgmt_status(hci_status);
2a611692 8250
e1e930f5
JH		 8251 bacpy(&ev.addr.bdaddr, &conn->dst);
8252 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
8253 ev.status = status;
2a611692 8254
e1e930f5
JH		 8255 cmd = find_pairing(conn);
8256
8257 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
8258 cmd ? cmd->sk : NULL);
8259
a511b35b
JH		 8260 if (cmd) {
8261 cmd->cmd_complete(cmd, status);
8262 mgmt_pending_remove(cmd);
8263 }
2a611692 8264}
b312b161 8265
464996ae 8266void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 8267{
8268 struct cmd_lookup match = { NULL, hdev };
464996ae 8269 bool changed;
33ef95ed
JH		 8270
8271 if (status) {
8272 u8 mgmt_err = mgmt_status(status);
8273 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 8274 cmd_status_rsp, &mgmt_err);
464996ae 8275 return;
33ef95ed
JH		 8276 }
8277
464996ae 8278 if (test_bit(HCI_AUTH, &hdev->flags))
238be788 8279 changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY);
464996ae 8280 else
a69d8927 8281 changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY);
47990ea0 8282
33ef95ed 8283 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 8284 &match);
33ef95ed 8285
47990ea0 8286 if (changed)
464996ae 8287 new_settings(hdev, match.sk);
33ef95ed
JH		 8288
8289 if (match.sk)
8290 sock_put(match.sk);
33ef95ed
JH		 8291}
8292
890ea898 8293static void clear_eir(struct hci_request *req)
cacaf52f 8294{
890ea898 8295 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 8296 struct hci_cp_write_eir cp;
8297
976eb20e 8298 if (!lmp_ext_inq_capable(hdev))
890ea898 8299 return;
cacaf52f 8300
c80da27e
JH		 8301 memset(hdev->eir, 0, sizeof(hdev->eir));
8302
cacaf52f
JH		 8303 memset(&cp, 0, sizeof(cp));
8304
890ea898 8305 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 8306}
8307
3e248560 8308void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 8309{
8310 struct cmd_lookup match = { NULL, hdev };
890ea898 8311 struct hci_request req;
c0ecddc2 8312 bool changed = false;
ed2c4ee3
JH		 8313
8314 if (status) {
8315 u8 mgmt_err = mgmt_status(status);
c0ecddc2 8316
a69d8927
MH		 8317 if (enable && hci_dev_test_and_clear_flag(hdev,
8318 HCI_SSP_ENABLED)) {
a358dc11 8319 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
3e248560 8320 new_settings(hdev, NULL);
9ecb3e24 8321 }
c0ecddc2 8322
04124681
GP		 8323 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
8324 &mgmt_err);
3e248560 8325 return;
c0ecddc2
JH		 8326 }
8327
8328 if (enable) {
238be788 8329 changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
c0ecddc2 8330 } else {
a69d8927 8331 changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
9ecb3e24 8332 if (!changed)
a69d8927
MH		 8333 changed = hci_dev_test_and_clear_flag(hdev,
8334 HCI_HS_ENABLED);
9ecb3e24 8335 else
a358dc11 8336 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
ed2c4ee3
JH		 8337 }
8338
8339 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
8340
c0ecddc2 8341 if (changed)
3e248560 8342 new_settings(hdev, match.sk);
ed2c4ee3 8343
5fc6ebb1 8344 if (match.sk)
ed2c4ee3
JH		 8345 sock_put(match.sk);
8346
890ea898
JH		 8347 hci_req_init(&req, hdev);
8348
d7a5a11d
MH		 8349 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
8350 if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 8351 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
8352 sizeof(enable), &enable);
890ea898 8353 update_eir(&req);
3769972b 8354 } else {
890ea898 8355 clear_eir(&req);
3769972b 8356 }
890ea898
JH		 8357
8358 hci_req_run(&req, NULL);
ed2c4ee3
JH		 8359}
8360
3b0602cd 8361static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
90e70454
JH		 8362{
8363 struct cmd_lookup *match = data;
8364
90e70454
JH		 8365 if (match->sk == NULL) {
8366 match->sk = cmd->sk;
8367 sock_hold(match->sk);
8368 }
90e70454
JH		 8369}
8370
4e1b0245
MH		 8371void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
8372 u8 status)
7f9a903c 8373{
90e70454 8374 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 8375
92da6097
JH		 8376 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
8377 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
8378 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 8379
8380 if (!status)
f6b7712e
MH		 8381 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
8382 dev_class, 3, NULL);
90e70454
JH		 8383
8384 if (match.sk)
8385 sock_put(match.sk);
7f9a903c
MH		 8386}
8387
7667da34 8388void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 8389{
b312b161 8390 struct mgmt_cp_set_local_name ev;
3b0602cd 8391 struct mgmt_pending_cmd *cmd;
28cc7bde 8392
13928971 8393 if (status)
7667da34 8394 return;
b312b161
JH		 8395
8396 memset(&ev, 0, sizeof(ev));
8397 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 8398 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 8399
333ae95d 8400 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 8401 if (!cmd) {
8402 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 8403
13928971
JH		 8404 /* If this is a HCI command related to powering on the
8405 * HCI dev don't send any mgmt signals.
8406 */
333ae95d 8407 if (pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 8408 return;
890ea898 8409 }
b312b161 8410
f6b7712e
MH		 8411 mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
8412 cmd ? cmd->sk : NULL);
b312b161 8413}
c35938b2 8414
799ce93d
JP		 8415static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
8416{
8417 int i;
8418
8419 for (i = 0; i < uuid_count; i++) {
8420 if (!memcmp(uuid, uuids[i], 16))
8421 return true;
8422 }
8423
8424 return false;
8425}
8426
b487b9ce
MH		 8427static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16])
8428{
799ce93d
JP		 8429 u16 parsed = 0;
8430
8431 while (parsed < eir_len) {
8432 u8 field_len = eir[0];
8433 u8 uuid[16];
8434 int i;
8435
8436 if (field_len == 0)
8437 break;
8438
8439 if (eir_len - parsed < field_len + 1)
8440 break;
8441
8442 switch (eir[1]) {
8443 case EIR_UUID16_ALL:
8444 case EIR_UUID16_SOME:
8445 for (i = 0; i + 3 <= field_len; i += 2) {
189f6ad2 8446 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 8447 uuid[13] = eir[i + 3];
8448 uuid[12] = eir[i + 2];
8449 if (has_uuid(uuid, uuid_count, uuids))
8450 return true;
8451 }
8452 break;
8453 case EIR_UUID32_ALL:
8454 case EIR_UUID32_SOME:
8455 for (i = 0; i + 5 <= field_len; i += 4) {
189f6ad2 8456 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 8457 uuid[15] = eir[i + 5];
8458 uuid[14] = eir[i + 4];
8459 uuid[13] = eir[i + 3];
8460 uuid[12] = eir[i + 2];
8461 if (has_uuid(uuid, uuid_count, uuids))
8462 return true;
8463 }
8464 break;
8465 case EIR_UUID128_ALL:
8466 case EIR_UUID128_SOME:
8467 for (i = 0; i + 17 <= field_len; i += 16) {
8468 memcpy(uuid, eir + i + 2, 16);
8469 if (has_uuid(uuid, uuid_count, uuids))
8470 return true;
8471 }
8472 break;
8473 }
8474
8475 parsed += field_len + 1;
8476 eir += field_len + 1;
8477 }
8478
b487b9ce
MH		 8479 return false;
8480}
8481
4b0e0ced
JP		 8482static void restart_le_scan(struct hci_dev *hdev)
8483{
8484 /* If controller is not scanning we are done. */
d7a5a11d 8485 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
4b0e0ced
JP		 8486 return;
8487
8488 if (time_after(jiffies + DISCOV_LE_RESTART_DELAY,
8489 hdev->discovery.scan_start +
8490 hdev->discovery.scan_duration))
8491 return;
8492
8493 queue_delayed_work(hdev->workqueue, &hdev->le_scan_restart,
8494 DISCOV_LE_RESTART_DELAY);
8495}
8496
48f86b7f
JP		 8497static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir,
8498 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 8499{
48f86b7f
JP		 8500 /* If a RSSI threshold has been specified, and
8501 * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with
8502 * a RSSI smaller than the RSSI threshold will be dropped. If the quirk
8503 * is set, let it through for further processing, as we might need to
8504 * restart the scan.
efb2513f
MH		 8505 *
8506 * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry,
8507 * the results are also dropped.
bda157a4
MH		 8508 */
8509 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
4b0e0ced
JP		 8510 (rssi == HCI_RSSI_INVALID ||
8511 (rssi < hdev->discovery.rssi &&
8512 !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks))))
48f86b7f 8513 return false;
efb2513f 8514
2976cdeb
JP		 8515 if (hdev->discovery.uuid_count != 0) {
8516 /* If a list of UUIDs is provided in filter, results with no
8517 * matching UUID should be dropped.
b487b9ce 8518 */
2976cdeb
JP		 8519 if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count,
8520 hdev->discovery.uuids) &&
8521 !eir_has_uuids(scan_rsp, scan_rsp_len,
8522 hdev->discovery.uuid_count,
8523 hdev->discovery.uuids))
8524 return false;
b487b9ce 8525 }
5d2e9fad 8526
2976cdeb
JP		 8527 /* If duplicate filtering does not report RSSI changes, then restart
8528 * scanning to ensure updated result with updated RSSI values.
4b0e0ced 8529 */
2976cdeb
JP		 8530 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) {
8531 restart_le_scan(hdev);
8532
8533 /* Validate RSSI value against the RSSI threshold once more. */
8534 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
8535 rssi < hdev->discovery.rssi)
8536 return false;
8537 }
48f86b7f
JP		 8538
8539 return true;
8540}
8541
8542void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8543 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
8544 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
8545{
8546 char buf[512];
8547 struct mgmt_ev_device_found *ev = (void *)buf;
8548 size_t ev_size;
8549
8550 /* Don't send events for a non-kernel initiated discovery. With
8551 * LE one exception is if we have pend_le_reports > 0 in which
8552 * case we're doing passive scanning and want these events.
8553 */
8554 if (!hci_discovery_active(hdev)) {
8555 if (link_type == ACL_LINK)
8556 return;
8557 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
8558 return;
8559 }
8560
82f8b651 8561 if (hdev->discovery.result_filtering) {
48f86b7f
JP		 8562 /* We are using service discovery */
8563 if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp,
8564 scan_rsp_len))
8565 return;
8566 }
8567
8568 /* Make sure that the buffer is big enough. The 5 extra bytes
8569 * are for the potential CoD field.
8570 */
8571 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
4b0e0ced
JP		 8572 return;
8573
48f86b7f
JP		 8574 memset(buf, 0, sizeof(buf));
8575
8576 /* In case of device discovery with BR/EDR devices (pre 1.2), the
8577 * RSSI value was reported as 0 when not available. This behavior
8578 * is kept when using device discovery. This is required for full
8579 * backwards compatibility with the API.
8580 *
8581 * However when using service discovery, the value 127 will be
8582 * returned when the RSSI is not available.
8583 */
8584 if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi &&
8585 link_type == ACL_LINK)
8586 rssi = 0;
8587
8588 bacpy(&ev->addr.bdaddr, bdaddr);
8589 ev->addr.type = link_to_bdaddr(link_type, addr_type);
8590 ev->rssi = rssi;
8591 ev->flags = cpu_to_le32(flags);
8592
8593 if (eir_len > 0)
8594 /* Copy EIR or advertising data into event */
8595 memcpy(ev->eir, eir, eir_len);
8596
8597 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
8598 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
8599 dev_class, 3);
8600
8601 if (scan_rsp_len > 0)
8602 /* Append scan response data to event */
8603 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
8604
5d2e9fad
JH		 8605 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
8606 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 8607
901801b9 8608 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 8609}
a88a9652 8610
9cf12aee
MH		 8611void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8612 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 8613{
b644ba33
JH		 8614 struct mgmt_ev_device_found *ev;
8615 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
8616 u16 eir_len;
a88a9652 8617
b644ba33 8618 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 8619
b644ba33
JH		 8620 memset(buf, 0, sizeof(buf));
8621
8622 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 8623 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 8624 ev->rssi = rssi;
8625
8626 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 8627 name_len);
b644ba33 8628
eb55ef07 8629 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 8630
9cf12aee 8631 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 8632}
314b2381 8633
2f1e063b 8634void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 8635{
f963e8e9 8636 struct mgmt_ev_discovering ev;
164a6e78 8637
343fb145
AG		 8638 BT_DBG("%s discovering %u", hdev->name, discovering);
8639
f963e8e9
JH		 8640 memset(&ev, 0, sizeof(ev));
8641 ev.type = hdev->discovery.type;
8642 ev.discovering = discovering;
8643
2f1e063b 8644 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 8645}
5e762444 8646
1904a853 8647static void adv_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5976e608
MH		 8648{
8649 BT_DBG("%s status %u", hdev->name, status);
5976e608
MH		 8650}
8651
8652void mgmt_reenable_advertising(struct hci_dev *hdev)
8653{
8654 struct hci_request req;
eb6f95f9 8655 u8 instance;
5976e608 8656
24b4f38f
AU		 8657 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
8658 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
5976e608
MH		 8659 return;
8660
eb6f95f9
FG		 8661 instance = get_current_adv_instance(hdev);
8662
5976e608 8663 hci_req_init(&req, hdev);
eb6f95f9
FG		 8664
8665 if (instance) {
8666 schedule_adv_instance(&req, instance, true);
8667 } else {
8668 update_adv_data(&req);
8669 update_scan_rsp_data(&req);
8670 enable_advertising(&req);
8671 }
8672
0ec5ae84 8673 hci_req_run(&req, adv_enable_complete);
5976e608 8674}
6d785aa3
JH		 8675
8676static struct hci_mgmt_chan chan = {
8677 .channel = HCI_CHANNEL_CONTROL,
8678 .handler_count = ARRAY_SIZE(mgmt_handlers),
8679 .handlers = mgmt_handlers,
88b94ce9 8680 .hdev_init = mgmt_init_hdev,
6d785aa3
JH		 8681};
8682
8683int mgmt_init(void)
8684{
8685 return hci_mgmt_chan_register(&chan);
8686}
8687
8688void mgmt_exit(void)
8689{
8690 hci_mgmt_chan_unregister(&chan);
8691}
Linux kernel - Deliverables
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