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Bluetooth: Fix conn_params list update in hci_connect_le_scan_cleanup
[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;
3548
3549 /* Convert from L2CAP channel address type to HCI address type
3550 */
3551 if (cp->addr.type == BDADDR_LE_PUBLIC)
3552 addr_type = ADDR_LE_DEV_PUBLIC;
3553 else
3554 addr_type = ADDR_LE_DEV_RANDOM;
3555
7c264b10
MH		 3556 /* When pairing a new device, it is expected to remember
3557 * this device for future connections. Adding the connection
3558 * parameter information ahead of time allows tracking
3559 * of the slave preferred values and will speed up any
3560 * further connection establishment.
3561 *
3562 * If connection parameters already exist, then they
3563 * will be kept and this function does nothing.
3564 */
3565 hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
3566
fa142220
JP		 3567 conn = hci_connect_le_scan(hdev, &cp->addr.bdaddr,
3568 addr_type, sec_level,
3569 HCI_LE_CONN_TIMEOUT,
3570 HCI_ROLE_MASTER);
6f77d8c7 3571 }
7a512d01 3572
30e76272 3573 if (IS_ERR(conn)) {
489dc48e
AK		 3574 int status;
3575
3576 if (PTR_ERR(conn) == -EBUSY)
3577 status = MGMT_STATUS_BUSY;
faa81030
LR		 3578 else if (PTR_ERR(conn) == -EOPNOTSUPP)
3579 status = MGMT_STATUS_NOT_SUPPORTED;
3580 else if (PTR_ERR(conn) == -ECONNREFUSED)
3581 status = MGMT_STATUS_REJECTED;
489dc48e
AK		 3582 else
3583 status = MGMT_STATUS_CONNECT_FAILED;
3584
2a1afb5a
JH		 3585 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3586 status, &rp, sizeof(rp));
e9a416b5
JH		 3587 goto unlock;
3588 }
3589
3590 if (conn->connect_cfm_cb) {
76a68ba0 3591 hci_conn_drop(conn);
2a1afb5a
JH		 3592 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3593 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 3594 goto unlock;
3595 }
3596
2e58ef3e 3597 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 3598 if (!cmd) {
3599 err = -ENOMEM;
76a68ba0 3600 hci_conn_drop(conn);
e9a416b5
JH		 3601 goto unlock;
3602 }
3603
04ab2749
JH		 3604 cmd->cmd_complete = pairing_complete;
3605
7a512d01 3606 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 3607 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 3608 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 3609 conn->security_cfm_cb = pairing_complete_cb;
3610 conn->disconn_cfm_cb = pairing_complete_cb;
3611 } else {
3612 conn->connect_cfm_cb = le_pairing_complete_cb;
3613 conn->security_cfm_cb = le_pairing_complete_cb;
3614 conn->disconn_cfm_cb = le_pairing_complete_cb;
3615 }
7a512d01 3616
e9a416b5 3617 conn->io_capability = cp->io_cap;
f8aaf9b6 3618 cmd->user_data = hci_conn_get(conn);
e9a416b5 3619
6f78fd4b 3620 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
a511b35b
JH		 3621 hci_conn_security(conn, sec_level, auth_type, true)) {
3622 cmd->cmd_complete(cmd, 0);
3623 mgmt_pending_remove(cmd);
3624 }
e9a416b5
JH		 3625
3626 err = 0;
3627
3628unlock:
09fd0de5 3629 hci_dev_unlock(hdev);
e9a416b5
JH		 3630 return err;
3631}
3632
04124681
GP		 3633static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3634 u16 len)
28424707 3635{
0f4e68cf 3636 struct mgmt_addr_info *addr = data;
3b0602cd 3637 struct mgmt_pending_cmd *cmd;
28424707
JH		 3638 struct hci_conn *conn;
3639 int err;
3640
3641 BT_DBG("");
3642
28424707
JH		 3643 hci_dev_lock(hdev);
3644
5f97c1df 3645 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3646 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3647 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3648 goto unlock;
3649 }
3650
333ae95d 3651 cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev);
28424707 3652 if (!cmd) {
a69e8375
JH		 3653 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3654 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3655 goto unlock;
3656 }
3657
3658 conn = cmd->user_data;
3659
3660 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
a69e8375
JH		 3661 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3662 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3663 goto unlock;
3664 }
3665
a511b35b
JH		 3666 cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED);
3667 mgmt_pending_remove(cmd);
28424707 3668
2a1afb5a
JH		 3669 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
3670 addr, sizeof(*addr));
28424707
JH		 3671unlock:
3672 hci_dev_unlock(hdev);
28424707
JH		 3673 return err;
3674}
3675
bdb6d971 3676static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 3677 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 3678 u16 hci_op, __le32 passkey)
a5c29683 3679{
3b0602cd 3680 struct mgmt_pending_cmd *cmd;
0df4c185 3681 struct hci_conn *conn;
a5c29683
JH		 3682 int err;
3683
09fd0de5 3684 hci_dev_lock(hdev);
08ba5382 3685
4b34ee78 3686 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3687 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3688 MGMT_STATUS_NOT_POWERED, addr,
3689 sizeof(*addr));
0df4c185 3690 goto done;
a5c29683
JH		 3691 }
3692
1707c60e
JH		 3693 if (addr->type == BDADDR_BREDR)
3694 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 3695 else
1707c60e 3696 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
272d90df
JH		 3697
3698 if (!conn) {
2a1afb5a
JH		 3699 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3700 MGMT_STATUS_NOT_CONNECTED, addr,
3701 sizeof(*addr));
272d90df
JH		 3702 goto done;
3703 }
47c15e2b 3704
1707c60e 3705 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 3706 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 3707 if (!err)
2a1afb5a
JH		 3708 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3709 MGMT_STATUS_SUCCESS, addr,
3710 sizeof(*addr));
5fe57d9e 3711 else
2a1afb5a
JH		 3712 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3713 MGMT_STATUS_FAILED, addr,
3714 sizeof(*addr));
47c15e2b 3715
47c15e2b
BG		 3716 goto done;
3717 }
3718
1707c60e 3719 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 3720 if (!cmd) {
3721 err = -ENOMEM;
0df4c185 3722 goto done;
a5c29683
JH		 3723 }
3724
7776d1d8
JH		 3725 cmd->cmd_complete = addr_cmd_complete;
3726
0df4c185 3727 /* Continue with pairing via HCI */
604086b7
BG		 3728 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3729 struct hci_cp_user_passkey_reply cp;
3730
1707c60e 3731 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 3732 cp.passkey = passkey;
3733 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3734 } else
1707c60e
JH		 3735 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3736 &addr->bdaddr);
604086b7 3737
a664b5bc
JH		 3738 if (err < 0)
3739 mgmt_pending_remove(cmd);
a5c29683 3740
0df4c185 3741done:
09fd0de5 3742 hci_dev_unlock(hdev);
a5c29683
JH		 3743 return err;
3744}
3745
afeb019d
JK		 3746static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3747 void *data, u16 len)
3748{
3749 struct mgmt_cp_pin_code_neg_reply *cp = data;
3750
3751 BT_DBG("");
3752
1707c60e 3753 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 3754 MGMT_OP_PIN_CODE_NEG_REPLY,
3755 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3756}
3757
04124681
GP		 3758static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3759 u16 len)
0df4c185 3760{
650f726d 3761 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 3762
3763 BT_DBG("");
3764
3765 if (len != sizeof(*cp))
a69e8375
JH		 3766 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
3767 MGMT_STATUS_INVALID_PARAMS);
0df4c185 3768
1707c60e 3769 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3770 MGMT_OP_USER_CONFIRM_REPLY,
3771 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 3772}
3773
bdb6d971 3774static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3775 void *data, u16 len)
0df4c185 3776{
c9c2659f 3777 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 3778
3779 BT_DBG("");
3780
1707c60e 3781 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3782 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3783 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 3784}
3785
04124681
GP		 3786static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3787 u16 len)
604086b7 3788{
650f726d 3789 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 3790
3791 BT_DBG("");
3792
1707c60e 3793 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3794 MGMT_OP_USER_PASSKEY_REPLY,
3795 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 3796}
3797
bdb6d971 3798static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3799 void *data, u16 len)
604086b7 3800{
650f726d 3801 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 3802
3803 BT_DBG("");
3804
1707c60e 3805 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3806 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3807 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 3808}
3809
13928971 3810static void update_name(struct hci_request *req)
2b4bf397 3811{
13928971 3812 struct hci_dev *hdev = req->hdev;
2b4bf397
JH		 3813 struct hci_cp_write_local_name cp;
3814
13928971 3815 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
2b4bf397 3816
890ea898 3817 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2b4bf397
JH		 3818}
3819
1904a853 3820static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode)
13928971
JH		 3821{
3822 struct mgmt_cp_set_local_name *cp;
3b0602cd 3823 struct mgmt_pending_cmd *cmd;
13928971
JH		 3824
3825 BT_DBG("status 0x%02x", status);
3826
3827 hci_dev_lock(hdev);
3828
333ae95d 3829 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 3830 if (!cmd)
3831 goto unlock;
3832
3833 cp = cmd->param;
3834
3835 if (status)
a69e8375
JH		 3836 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3837 mgmt_status(status));
13928971 3838 else
2a1afb5a
JH		 3839 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3840 cp, sizeof(*cp));
13928971
JH		 3841
3842 mgmt_pending_remove(cmd);
3843
3844unlock:
3845 hci_dev_unlock(hdev);
3846}
3847
bdb6d971 3848static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3849 u16 len)
b312b161 3850{
2b4bf397 3851 struct mgmt_cp_set_local_name *cp = data;
3b0602cd 3852 struct mgmt_pending_cmd *cmd;
890ea898 3853 struct hci_request req;
b312b161
JH		 3854 int err;
3855
3856 BT_DBG("");
3857
09fd0de5 3858 hci_dev_lock(hdev);
b312b161 3859
b3f2ca94
JH		 3860 /* If the old values are the same as the new ones just return a
3861 * direct command complete event.
3862 */
3863 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3864 !memcmp(hdev->short_name, cp->short_name,
3865 sizeof(hdev->short_name))) {
2a1afb5a
JH		 3866 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3867 data, len);
b3f2ca94
JH		 3868 goto failed;
3869 }
3870
2b4bf397 3871 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 3872
b5235a65 3873 if (!hdev_is_powered(hdev)) {
2b4bf397 3874 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde 3875
2a1afb5a
JH		 3876 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3877 data, len);
28cc7bde
JH		 3878 if (err < 0)
3879 goto failed;
3880
f6b7712e
MH		 3881 err = mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev,
3882 data, len, sk);
28cc7bde 3883
b5235a65
JH		 3884 goto failed;
3885 }
3886
28cc7bde 3887 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3888 if (!cmd) {
3889 err = -ENOMEM;
3890 goto failed;
3891 }
3892
13928971
JH		 3893 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3894
890ea898 3895 hci_req_init(&req, hdev);
3f985050
JH		 3896
3897 if (lmp_bredr_capable(hdev)) {
3898 update_name(&req);
3899 update_eir(&req);
3900 }
3901
7a5f4990
MH		 3902 /* The name is stored in the scan response data and so
3903 * no need to udpate the advertising data here.
3904 */
3f985050 3905 if (lmp_le_capable(hdev))
7a5f4990 3906 update_scan_rsp_data(&req);
3f985050 3907
13928971 3908 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3909 if (err < 0)
3910 mgmt_pending_remove(cmd);
3911
3912failed:
09fd0de5 3913 hci_dev_unlock(hdev);
b312b161
JH		 3914 return err;
3915}
3916
1b9441f8
JH		 3917static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
3918 u16 opcode, struct sk_buff *skb)
3919{
3920 struct mgmt_rp_read_local_oob_data mgmt_rp;
3921 size_t rp_size = sizeof(mgmt_rp);
3922 struct mgmt_pending_cmd *cmd;
3923
3924 BT_DBG("%s status %u", hdev->name, status);
3925
3926 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
3927 if (!cmd)
3928 return;
3929
3930 if (status || !skb) {
3931 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3932 status ? mgmt_status(status) : MGMT_STATUS_FAILED);
3933 goto remove;
3934 }
3935
3936 memset(&mgmt_rp, 0, sizeof(mgmt_rp));
3937
3938 if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
3939 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
3940
3941 if (skb->len < sizeof(*rp)) {
3942 mgmt_cmd_status(cmd->sk, hdev->id,
3943 MGMT_OP_READ_LOCAL_OOB_DATA,
3944 MGMT_STATUS_FAILED);
3945 goto remove;
3946 }
3947
3948 memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash));
3949 memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand));
3950
3951 rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256);
3952 } else {
3953 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
3954
3955 if (skb->len < sizeof(*rp)) {
3956 mgmt_cmd_status(cmd->sk, hdev->id,
3957 MGMT_OP_READ_LOCAL_OOB_DATA,
3958 MGMT_STATUS_FAILED);
3959 goto remove;
3960 }
3961
3962 memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192));
3963 memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192));
3964
3965 memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256));
3966 memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256));
3967 }
3968
3969 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3970 MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size);
3971
3972remove:
3973 mgmt_pending_remove(cmd);
3974}
3975
0f4e68cf 3976static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3977 void *data, u16 data_len)
c35938b2 3978{
3b0602cd 3979 struct mgmt_pending_cmd *cmd;
1b9441f8 3980 struct hci_request req;
c35938b2
SJ		 3981 int err;
3982
bdb6d971 3983 BT_DBG("%s", hdev->name);
c35938b2 3984
09fd0de5 3985 hci_dev_lock(hdev);
c35938b2 3986
4b34ee78 3987 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3988 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3989 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3990 goto unlock;
3991 }
3992
9a1a1996 3993 if (!lmp_ssp_capable(hdev)) {
a69e8375
JH		 3994 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3995 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 3996 goto unlock;
3997 }
3998
333ae95d 3999 if (pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
a69e8375
JH		 4000 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
4001 MGMT_STATUS_BUSY);
c35938b2
SJ		 4002 goto unlock;
4003 }
4004
2e58ef3e 4005 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 4006 if (!cmd) {
4007 err = -ENOMEM;
4008 goto unlock;
4009 }
4010
1b9441f8
JH		 4011 hci_req_init(&req, hdev);
4012
710f11c0 4013 if (bredr_sc_enabled(hdev))
1b9441f8 4014 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
4d2d2796 4015 else
1b9441f8 4016 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
4d2d2796 4017
1b9441f8 4018 err = hci_req_run_skb(&req, read_local_oob_data_complete);
c35938b2
SJ		 4019 if (err < 0)
4020 mgmt_pending_remove(cmd);
4021
4022unlock:
09fd0de5 4023 hci_dev_unlock(hdev);
c35938b2
SJ		 4024 return err;
4025}
4026
bdb6d971 4027static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 4028 void *data, u16 len)
2763eda6 4029{
5d57e796 4030 struct mgmt_addr_info *addr = data;
2763eda6
SJ		 4031 int err;
4032
bdb6d971 4033 BT_DBG("%s ", hdev->name);
2763eda6 4034
5d57e796 4035 if (!bdaddr_type_is_valid(addr->type))
2a1afb5a
JH		 4036 return mgmt_cmd_complete(sk, hdev->id,
4037 MGMT_OP_ADD_REMOTE_OOB_DATA,
4038 MGMT_STATUS_INVALID_PARAMS,
4039 addr, sizeof(*addr));
5d57e796 4040
09fd0de5 4041 hci_dev_lock(hdev);
2763eda6 4042
ec109113
MH		 4043 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
4044 struct mgmt_cp_add_remote_oob_data *cp = data;
4045 u8 status;
bf1e3541 4046
c19a495c 4047 if (cp->addr.type != BDADDR_BREDR) {
2a1afb5a
JH		 4048 err = mgmt_cmd_complete(sk, hdev->id,
4049 MGMT_OP_ADD_REMOTE_OOB_DATA,
4050 MGMT_STATUS_INVALID_PARAMS,
4051 &cp->addr, sizeof(cp->addr));
c19a495c
JH		 4052 goto unlock;
4053 }
4054
ec109113 4055 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
6928a924
JH		 4056 cp->addr.type, cp->hash,
4057 cp->rand, NULL, NULL);
ec109113
MH		 4058 if (err < 0)
4059 status = MGMT_STATUS_FAILED;
4060 else
4061 status = MGMT_STATUS_SUCCESS;
4062
2a1afb5a
JH		 4063 err = mgmt_cmd_complete(sk, hdev->id,
4064 MGMT_OP_ADD_REMOTE_OOB_DATA, status,
4065 &cp->addr, sizeof(cp->addr));
ec109113
MH		 4066 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
4067 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
41bcfd50 4068 u8 *rand192, *hash192, *rand256, *hash256;
ec109113
MH		 4069 u8 status;
4070
86df9200 4071 if (bdaddr_type_is_le(cp->addr.type)) {
d25b78e2
JH		 4072 /* Enforce zero-valued 192-bit parameters as
4073 * long as legacy SMP OOB isn't implemented.
4074 */
4075 if (memcmp(cp->rand192, ZERO_KEY, 16) ||
4076 memcmp(cp->hash192, ZERO_KEY, 16)) {
2a1afb5a
JH		 4077 err = mgmt_cmd_complete(sk, hdev->id,
4078 MGMT_OP_ADD_REMOTE_OOB_DATA,
4079 MGMT_STATUS_INVALID_PARAMS,
4080 addr, sizeof(*addr));
d25b78e2
JH		 4081 goto unlock;
4082 }
4083
86df9200
JH		 4084 rand192 = NULL;
4085 hash192 = NULL;
4086 } else {
41bcfd50
MH		 4087 /* In case one of the P-192 values is set to zero,
4088 * then just disable OOB data for P-192.
4089 */
4090 if (!memcmp(cp->rand192, ZERO_KEY, 16) ||
4091 !memcmp(cp->hash192, ZERO_KEY, 16)) {
4092 rand192 = NULL;
4093 hash192 = NULL;
4094 } else {
4095 rand192 = cp->rand192;
4096 hash192 = cp->hash192;
4097 }
4098 }
4099
4100 /* In case one of the P-256 values is set to zero, then just
4101 * disable OOB data for P-256.
4102 */
4103 if (!memcmp(cp->rand256, ZERO_KEY, 16) ||
4104 !memcmp(cp->hash256, ZERO_KEY, 16)) {
4105 rand256 = NULL;
4106 hash256 = NULL;
4107 } else {
4108 rand256 = cp->rand256;
4109 hash256 = cp->hash256;
86df9200
JH		 4110 }
4111
81328d5c 4112 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
86df9200 4113 cp->addr.type, hash192, rand192,
41bcfd50 4114 hash256, rand256);
ec109113
MH		 4115 if (err < 0)
4116 status = MGMT_STATUS_FAILED;
4117 else
4118 status = MGMT_STATUS_SUCCESS;
4119
2a1afb5a
JH		 4120 err = mgmt_cmd_complete(sk, hdev->id,
4121 MGMT_OP_ADD_REMOTE_OOB_DATA,
4122 status, &cp->addr, sizeof(cp->addr));
ec109113
MH		 4123 } else {
4124 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
a69e8375
JH		 4125 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
4126 MGMT_STATUS_INVALID_PARAMS);
ec109113 4127 }
2763eda6 4128
c19a495c 4129unlock:
09fd0de5 4130 hci_dev_unlock(hdev);
2763eda6
SJ		 4131 return err;
4132}
4133
bdb6d971 4134static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 4135 void *data, u16 len)
2763eda6 4136{
650f726d 4137 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 4138 u8 status;
2763eda6
SJ		 4139 int err;
4140
bdb6d971 4141 BT_DBG("%s", hdev->name);
2763eda6 4142
c19a495c 4143 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 4144 return mgmt_cmd_complete(sk, hdev->id,
4145 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
4146 MGMT_STATUS_INVALID_PARAMS,
4147 &cp->addr, sizeof(cp->addr));
c19a495c 4148
09fd0de5 4149 hci_dev_lock(hdev);
2763eda6 4150
eedbd581
JH		 4151 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
4152 hci_remote_oob_data_clear(hdev);
4153 status = MGMT_STATUS_SUCCESS;
4154 goto done;
4155 }
4156
6928a924 4157 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
2763eda6 4158 if (err < 0)
bf1e3541 4159 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 4160 else
a6785be2 4161 status = MGMT_STATUS_SUCCESS;
bf1e3541 4162
eedbd581 4163done:
2a1afb5a
JH		 4164 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
4165 status, &cp->addr, sizeof(cp->addr));
2763eda6 4166
09fd0de5 4167 hci_dev_unlock(hdev);
2763eda6
SJ		 4168 return err;
4169}
4170
812abb13 4171static bool trigger_bredr_inquiry(struct hci_request *req, u8 *status)
41dc2bd6 4172{
8019044d 4173 struct hci_dev *hdev = req->hdev;
812abb13 4174 struct hci_cp_inquiry cp;
8019044d
MH		 4175 /* General inquiry access code (GIAC) */
4176 u8 lap[3] = { 0x33, 0x8b, 0x9e };
812abb13
JP		 4177
4178 *status = mgmt_bredr_support(hdev);
4179 if (*status)
4180 return false;
4181
4182 if (hci_dev_test_flag(hdev, HCI_INQUIRY)) {
4183 *status = MGMT_STATUS_BUSY;
4184 return false;
4185 }
4186
4187 hci_inquiry_cache_flush(hdev);
4188
4189 memset(&cp, 0, sizeof(cp));
4190 memcpy(&cp.lap, lap, sizeof(cp.lap));
4191 cp.length = DISCOV_BREDR_INQUIRY_LEN;
4192
4193 hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp);
4194
4195 return true;
4196}
4197
4198static bool trigger_le_scan(struct hci_request *req, u16 interval, u8 *status)
4199{
4200 struct hci_dev *hdev = req->hdev;
4201 struct hci_cp_le_set_scan_param param_cp;
4202 struct hci_cp_le_set_scan_enable enable_cp;
8019044d 4203 u8 own_addr_type;
41dc2bd6
AG		 4204 int err;
4205
812abb13
JP		 4206 *status = mgmt_le_support(hdev);
4207 if (*status)
4208 return false;
41dc2bd6 4209
812abb13
JP		 4210 if (hci_dev_test_flag(hdev, HCI_LE_ADV)) {
4211 /* Don't let discovery abort an outgoing connection attempt
4212 * that's using directed advertising.
4213 */
e7d9ab73 4214 if (hci_lookup_le_connect(hdev)) {
812abb13 4215 *status = MGMT_STATUS_REJECTED;
8019044d
MH		 4216 return false;
4217 }
41dc2bd6 4218
9d5fc2f2 4219 cancel_adv_timeout(hdev);
812abb13
JP		 4220 disable_advertising(req);
4221 }
41dc2bd6 4222
812abb13
JP		 4223 /* If controller is scanning, it means the background scanning is
4224 * running. Thus, we should temporarily stop it in order to set the
4225 * discovery scanning parameters.
4226 */
4227 if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
4228 hci_req_add_le_scan_disable(req);
41dc2bd6 4229
812abb13
JP		 4230 /* All active scans will be done with either a resolvable private
4231 * address (when privacy feature has been enabled) or non-resolvable
4232 * private address.
4233 */
4234 err = hci_update_random_address(req, true, &own_addr_type);
4235 if (err < 0) {
4236 *status = MGMT_STATUS_FAILED;
4237 return false;
4238 }
8019044d 4239
812abb13
JP		 4240 memset(&param_cp, 0, sizeof(param_cp));
4241 param_cp.type = LE_SCAN_ACTIVE;
4242 param_cp.interval = cpu_to_le16(interval);
4243 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
4244 param_cp.own_address_type = own_addr_type;
8019044d 4245
812abb13
JP		 4246 hci_req_add(req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
4247 &param_cp);
8019044d 4248
812abb13
JP		 4249 memset(&enable_cp, 0, sizeof(enable_cp));
4250 enable_cp.enable = LE_SCAN_ENABLE;
4251 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
8019044d 4252
812abb13
JP		 4253 hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
4254 &enable_cp);
4255
4256 return true;
4257}
8019044d 4258
812abb13
JP		 4259static bool trigger_discovery(struct hci_request *req, u8 *status)
4260{
4261 struct hci_dev *hdev = req->hdev;
8019044d 4262
812abb13
JP		 4263 switch (hdev->discovery.type) {
4264 case DISCOV_TYPE_BREDR:
4265 if (!trigger_bredr_inquiry(req, status))
4266 return false;
4267 break;
4268
4269 case DISCOV_TYPE_INTERLEAVED:
07d2334a
JP		 4270 if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY,
4271 &hdev->quirks)) {
4272 /* During simultaneous discovery, we double LE scan
4273 * interval. We must leave some time for the controller
4274 * to do BR/EDR inquiry.
4275 */
4276 if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT * 2,
4277 status))
4278 return false;
4279
4280 if (!trigger_bredr_inquiry(req, status))
4281 return false;
4282
4283 return true;
4284 }
4285
812abb13
JP		 4286 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
4287 *status = MGMT_STATUS_NOT_SUPPORTED;
8019044d
MH		 4288 return false;
4289 }
812abb13 4290 /* fall through */
8019044d 4291
812abb13
JP		 4292 case DISCOV_TYPE_LE:
4293 if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT, status))
4294 return false;
8019044d
MH		 4295 break;
4296
4297 default:
4298 *status = MGMT_STATUS_INVALID_PARAMS;
4299 return false;
4300 }
4301
4302 return true;
41dc2bd6
AG		 4303}
4304
1904a853
MH		 4305static void start_discovery_complete(struct hci_dev *hdev, u8 status,
4306 u16 opcode)
7c307720 4307{
3b0602cd 4308 struct mgmt_pending_cmd *cmd;
11e6e25d 4309 unsigned long timeout;
ae55f598 4310
7c307720
AG		 4311 BT_DBG("status %d", status);
4312
11e6e25d 4313 hci_dev_lock(hdev);
41dc2bd6 4314
333ae95d 4315 cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev);
66ea9427 4316 if (!cmd)
333ae95d 4317 cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev);
66ea9427 4318
11e6e25d 4319 if (cmd) {
2922a94f 4320 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d
MH		 4321 mgmt_pending_remove(cmd);
4322 }
7c307720
AG		 4323
4324 if (status) {
11e6e25d
MH		 4325 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4326 goto unlock;
7c307720
AG		 4327 }
4328
7c307720 4329 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
7c307720 4330
2d28cfe7
JP		 4331 /* If the scan involves LE scan, pick proper timeout to schedule
4332 * hdev->le_scan_disable that will stop it.
4333 */
7c307720
AG		 4334 switch (hdev->discovery.type) {
4335 case DISCOV_TYPE_LE:
3d5a76f0 4336 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
7c307720 4337 break;
7c307720 4338 case DISCOV_TYPE_INTERLEAVED:
07d2334a
JP		 4339 /* When running simultaneous discovery, the LE scanning time
4340 * should occupy the whole discovery time sine BR/EDR inquiry
4341 * and LE scanning are scheduled by the controller.
4342 *
4343 * For interleaving discovery in comparison, BR/EDR inquiry
4344 * and LE scanning are done sequentially with separate
4345 * timeouts.
4346 */
4347 if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
4348 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
4349 else
4350 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
7c307720 4351 break;
7c307720 4352 case DISCOV_TYPE_BREDR:
11e6e25d 4353 timeout = 0;
7c307720 4354 break;
7c307720
AG		 4355 default:
4356 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
11e6e25d
MH		 4357 timeout = 0;
4358 break;
7c307720 4359 }
ae55f598 4360
2d28cfe7
JP		 4361 if (timeout) {
4362 /* When service discovery is used and the controller has
4363 * a strict duplicate filter, it is important to remember
4364 * the start and duration of the scan. This is required
4365 * for restarting scanning during the discovery phase.
4366 */
4367 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER,
4368 &hdev->quirks) &&
82f8b651 4369 hdev->discovery.result_filtering) {
2d28cfe7
JP		 4370 hdev->discovery.scan_start = jiffies;
4371 hdev->discovery.scan_duration = timeout;
4372 }
4373
11e6e25d
MH		 4374 queue_delayed_work(hdev->workqueue,
4375 &hdev->le_scan_disable, timeout);
2d28cfe7 4376 }
ae55f598 4377
11e6e25d
MH		 4378unlock:
4379 hci_dev_unlock(hdev);
7c307720
AG		 4380}
4381
bdb6d971 4382static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 4383 void *data, u16 len)
14a53664 4384{
650f726d 4385 struct mgmt_cp_start_discovery *cp = data;
3b0602cd 4386 struct mgmt_pending_cmd *cmd;
7c307720 4387 struct hci_request req;
8019044d 4388 u8 status;
14a53664
JH		 4389 int err;
4390
bdb6d971 4391 BT_DBG("%s", hdev->name);
14a53664 4392
09fd0de5 4393 hci_dev_lock(hdev);
14a53664 4394
4b34ee78 4395 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4396 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4397 MGMT_STATUS_NOT_POWERED,
4398 &cp->type, sizeof(cp->type));
bd2d1334
JH		 4399 goto failed;
4400 }
4401
f5a969f2 4402 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 4403 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 4404 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4405 MGMT_STATUS_BUSY, &cp->type,
4406 sizeof(cp->type));
642be6c7
AG		 4407 goto failed;
4408 }
4409
2922a94f 4410 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, data, len);
14a53664
JH		 4411 if (!cmd) {
4412 err = -ENOMEM;
4413 goto failed;
4414 }
4415
2922a94f
JH		 4416 cmd->cmd_complete = generic_cmd_complete;
4417
22078800
MH		 4418 /* Clear the discovery filter first to free any previously
4419 * allocated memory for the UUID list.
4420 */
4421 hci_discovery_filter_clear(hdev);
4422
4aab14e5 4423 hdev->discovery.type = cp->type;
da25cf6a 4424 hdev->discovery.report_invalid_rssi = false;
4aab14e5 4425
7c307720
AG		 4426 hci_req_init(&req, hdev);
4427
8019044d 4428 if (!trigger_discovery(&req, &status)) {
2a1afb5a
JH		 4429 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4430 status, &cp->type, sizeof(cp->type));
04106755
JH		 4431 mgmt_pending_remove(cmd);
4432 goto failed;
f39799f5 4433 }
04106755 4434
7c307720 4435 err = hci_req_run(&req, start_discovery_complete);
f5a969f2 4436 if (err < 0) {
14a53664 4437 mgmt_pending_remove(cmd);
f5a969f2
MH		 4438 goto failed;
4439 }
7c307720 4440
f5a969f2 4441 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
7c307720 4442
14a53664 4443failed:
09fd0de5 4444 hci_dev_unlock(hdev);
14a53664
JH		 4445 return err;
4446}
f39799f5 4447
3b0602cd
JH		 4448static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
4449 u8 status)
2922a94f 4450{
2a1afb5a
JH		 4451 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
4452 cmd->param, 1);
2922a94f 4453}
04106755 4454
66ea9427
JP		 4455static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
4456 void *data, u16 len)
4457{
4458 struct mgmt_cp_start_service_discovery *cp = data;
3b0602cd 4459 struct mgmt_pending_cmd *cmd;
66ea9427
JP		 4460 struct hci_request req;
4461 const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
4462 u16 uuid_count, expected_len;
4463 u8 status;
4464 int err;
04106755 4465
66ea9427 4466 BT_DBG("%s", hdev->name);
e8bb6b97 4467
66ea9427 4468 hci_dev_lock(hdev);
7c307720 4469
66ea9427 4470 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4471 err = mgmt_cmd_complete(sk, hdev->id,
4472 MGMT_OP_START_SERVICE_DISCOVERY,
4473 MGMT_STATUS_NOT_POWERED,
4474 &cp->type, sizeof(cp->type));
66ea9427
JP		 4475 goto failed;
4476 }
7c307720 4477
66ea9427 4478 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 4479 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 4480 err = mgmt_cmd_complete(sk, hdev->id,
4481 MGMT_OP_START_SERVICE_DISCOVERY,
4482 MGMT_STATUS_BUSY, &cp->type,
4483 sizeof(cp->type));
66ea9427
JP		 4484 goto failed;
4485 }
d9483943 4486
66ea9427
JP		 4487 uuid_count = __le16_to_cpu(cp->uuid_count);
4488 if (uuid_count > max_uuid_count) {
4489 BT_ERR("service_discovery: too big uuid_count value %u",
4490 uuid_count);
2a1afb5a
JH		 4491 err = mgmt_cmd_complete(sk, hdev->id,
4492 MGMT_OP_START_SERVICE_DISCOVERY,
4493 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4494 sizeof(cp->type));
66ea9427
JP		 4495 goto failed;
4496 }
4497
4498 expected_len = sizeof(*cp) + uuid_count * 16;
4499 if (expected_len != len) {
4500 BT_ERR("service_discovery: expected %u bytes, got %u bytes",
4501 expected_len, len);
2a1afb5a
JH		 4502 err = mgmt_cmd_complete(sk, hdev->id,
4503 MGMT_OP_START_SERVICE_DISCOVERY,
4504 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4505 sizeof(cp->type));
66ea9427
JP		 4506 goto failed;
4507 }
4508
4509 cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
2922a94f 4510 hdev, data, len);
66ea9427
JP		 4511 if (!cmd) {
4512 err = -ENOMEM;
4513 goto failed;
4514 }
4515
2922a94f
JH		 4516 cmd->cmd_complete = service_discovery_cmd_complete;
4517
22078800
MH		 4518 /* Clear the discovery filter first to free any previously
4519 * allocated memory for the UUID list.
4520 */
4521 hci_discovery_filter_clear(hdev);
4522
82f8b651 4523 hdev->discovery.result_filtering = true;
66ea9427
JP		 4524 hdev->discovery.type = cp->type;
4525 hdev->discovery.rssi = cp->rssi;
4526 hdev->discovery.uuid_count = uuid_count;
4527
4528 if (uuid_count > 0) {
4529 hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16,
4530 GFP_KERNEL);
4531 if (!hdev->discovery.uuids) {
2a1afb5a
JH		 4532 err = mgmt_cmd_complete(sk, hdev->id,
4533 MGMT_OP_START_SERVICE_DISCOVERY,
4534 MGMT_STATUS_FAILED,
4535 &cp->type, sizeof(cp->type));
d9483943
JH		 4536 mgmt_pending_remove(cmd);
4537 goto failed;
4538 }
66ea9427 4539 }
d9483943 4540
66ea9427 4541 hci_req_init(&req, hdev);
5e0452c0 4542
66ea9427 4543 if (!trigger_discovery(&req, &status)) {
2a1afb5a
JH		 4544 err = mgmt_cmd_complete(sk, hdev->id,
4545 MGMT_OP_START_SERVICE_DISCOVERY,
4546 status, &cp->type, sizeof(cp->type));
04106755
JH		 4547 mgmt_pending_remove(cmd);
4548 goto failed;
f39799f5 4549 }
3fd24153 4550
7c307720 4551 err = hci_req_run(&req, start_discovery_complete);
66ea9427 4552 if (err < 0) {
14a53664 4553 mgmt_pending_remove(cmd);
66ea9427
JP		 4554 goto failed;
4555 }
4556
4557 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 4558
4559failed:
09fd0de5 4560 hci_dev_unlock(hdev);
14a53664
JH		 4561 return err;
4562}
4563
1904a853 4564static void stop_discovery_complete(struct hci_dev *hdev, u8 status, u16 opcode)
1183fdca 4565{
3b0602cd 4566 struct mgmt_pending_cmd *cmd;
1183fdca 4567
0e05bba6
AG		 4568 BT_DBG("status %d", status);
4569
4570 hci_dev_lock(hdev);
4571
333ae95d 4572 cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
11e6e25d 4573 if (cmd) {
2922a94f 4574 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d 4575 mgmt_pending_remove(cmd);
0e05bba6
AG		 4576 }
4577
11e6e25d
MH		 4578 if (!status)
4579 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
0e05bba6 4580
0e05bba6
AG		 4581 hci_dev_unlock(hdev);
4582}
4583
bdb6d971 4584static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4585 u16 len)
14a53664 4586{
d930650b 4587 struct mgmt_cp_stop_discovery *mgmt_cp = data;
3b0602cd 4588 struct mgmt_pending_cmd *cmd;
0e05bba6 4589 struct hci_request req;
14a53664
JH		 4590 int err;
4591
bdb6d971 4592 BT_DBG("%s", hdev->name);
14a53664 4593
09fd0de5 4594 hci_dev_lock(hdev);
14a53664 4595
30dc78e1 4596 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 4597 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4598 MGMT_STATUS_REJECTED, &mgmt_cp->type,
4599 sizeof(mgmt_cp->type));
d930650b
JH		 4600 goto unlock;
4601 }
4602
4603 if (hdev->discovery.type != mgmt_cp->type) {
2a1afb5a
JH		 4604 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4605 MGMT_STATUS_INVALID_PARAMS,
4606 &mgmt_cp->type, sizeof(mgmt_cp->type));
30dc78e1 4607 goto unlock;
ff9ef578
JH		 4608 }
4609
2922a94f 4610 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
14a53664
JH		 4611 if (!cmd) {
4612 err = -ENOMEM;
30dc78e1
JH		 4613 goto unlock;
4614 }
4615
2922a94f
JH		 4616 cmd->cmd_complete = generic_cmd_complete;
4617
0e05bba6
AG		 4618 hci_req_init(&req, hdev);
4619
21a60d30 4620 hci_stop_discovery(&req);
e0d9727e 4621
21a60d30
JH		 4622 err = hci_req_run(&req, stop_discovery_complete);
4623 if (!err) {
4624 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 4625 goto unlock;
14a53664
JH		 4626 }
4627
21a60d30
JH		 4628 mgmt_pending_remove(cmd);
4629
4630 /* If no HCI commands were sent we're done */
4631 if (err == -ENODATA) {
2a1afb5a
JH		 4632 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
4633 &mgmt_cp->type, sizeof(mgmt_cp->type));
21a60d30
JH		 4634 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4635 }
14a53664 4636
30dc78e1 4637unlock:
09fd0de5 4638 hci_dev_unlock(hdev);
14a53664
JH		 4639 return err;
4640}
4641
bdb6d971 4642static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4643 u16 len)
561aafbc 4644{
650f726d 4645 struct mgmt_cp_confirm_name *cp = data;
561aafbc 4646 struct inquiry_entry *e;
561aafbc
JH		 4647 int err;
4648
bdb6d971 4649 BT_DBG("%s", hdev->name);
561aafbc 4650
561aafbc
JH		 4651 hci_dev_lock(hdev);
4652
30dc78e1 4653 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 4654 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4655 MGMT_STATUS_FAILED, &cp->addr,
4656 sizeof(cp->addr));
30dc78e1
JH		 4657 goto failed;
4658 }
4659
a198e7b1 4660 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 4661 if (!e) {
2a1afb5a
JH		 4662 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4663 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
4664 sizeof(cp->addr));
561aafbc
JH		 4665 goto failed;
4666 }
4667
4668 if (cp->name_known) {
4669 e->name_state = NAME_KNOWN;
4670 list_del(&e->list);
4671 } else {
4672 e->name_state = NAME_NEEDED;
a3d4e20a 4673 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 4674 }
4675
2a1afb5a
JH		 4676 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0,
4677 &cp->addr, sizeof(cp->addr));
561aafbc
JH		 4678
4679failed:
4680 hci_dev_unlock(hdev);
561aafbc
JH		 4681 return err;
4682}
4683
bdb6d971 4684static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4685 u16 len)
7fbec224 4686{
650f726d 4687 struct mgmt_cp_block_device *cp = data;
f0eeea8b 4688 u8 status;
7fbec224
AJ		 4689 int err;
4690
bdb6d971 4691 BT_DBG("%s", hdev->name);
7fbec224 4692
4ee71b20 4693 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4694 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
4695 MGMT_STATUS_INVALID_PARAMS,
4696 &cp->addr, sizeof(cp->addr));
4ee71b20 4697
09fd0de5 4698 hci_dev_lock(hdev);
5e762444 4699
dcc36c16
JH		 4700 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
4701 cp->addr.type);
2a8357f2 4702 if (err < 0) {
f0eeea8b 4703 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 4704 goto done;
4705 }
4706
4707 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4708 sk);
4709 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4710
2a8357f2 4711done:
2a1afb5a
JH		 4712 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
4713 &cp->addr, sizeof(cp->addr));
5e762444 4714
09fd0de5 4715 hci_dev_unlock(hdev);
7fbec224
AJ		 4716
4717 return err;
4718}
4719
bdb6d971 4720static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4721 u16 len)
7fbec224 4722{
650f726d 4723 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 4724 u8 status;
7fbec224
AJ		 4725 int err;
4726
bdb6d971 4727 BT_DBG("%s", hdev->name);
7fbec224 4728
4ee71b20 4729 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4730 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4731 MGMT_STATUS_INVALID_PARAMS,
4732 &cp->addr, sizeof(cp->addr));
4ee71b20 4733
09fd0de5 4734 hci_dev_lock(hdev);
5e762444 4735
dcc36c16
JH		 4736 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4737 cp->addr.type);
2a8357f2 4738 if (err < 0) {
f0eeea8b 4739 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 4740 goto done;
4741 }
4742
4743 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4744 sk);
4745 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4746
2a8357f2 4747done:
2a1afb5a
JH		 4748 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
4749 &cp->addr, sizeof(cp->addr));
5e762444 4750
09fd0de5 4751 hci_dev_unlock(hdev);
7fbec224
AJ		 4752
4753 return err;
4754}
4755
cdbaccca
MH		 4756static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4757 u16 len)
4758{
4759 struct mgmt_cp_set_device_id *cp = data;
890ea898 4760 struct hci_request req;
cdbaccca 4761 int err;
c72d4b8a 4762 __u16 source;
cdbaccca
MH		 4763
4764 BT_DBG("%s", hdev->name);
4765
c72d4b8a
SJ		 4766 source = __le16_to_cpu(cp->source);
4767
4768 if (source > 0x0002)
a69e8375
JH		 4769 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4770 MGMT_STATUS_INVALID_PARAMS);
c72d4b8a 4771
cdbaccca
MH		 4772 hci_dev_lock(hdev);
4773
c72d4b8a 4774 hdev->devid_source = source;
cdbaccca
MH		 4775 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4776 hdev->devid_product = __le16_to_cpu(cp->product);
4777 hdev->devid_version = __le16_to_cpu(cp->version);
4778
2a1afb5a
JH		 4779 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
4780 NULL, 0);
cdbaccca 4781
890ea898
JH		 4782 hci_req_init(&req, hdev);
4783 update_eir(&req);
4784 hci_req_run(&req, NULL);
cdbaccca
MH		 4785
4786 hci_dev_unlock(hdev);
4787
4788 return err;
4789}
4790
24b4f38f
AU		 4791static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
4792 u16 opcode)
4793{
4794 BT_DBG("status %d", status);
4795}
4796
1904a853
MH		 4797static void set_advertising_complete(struct hci_dev *hdev, u8 status,
4798 u16 opcode)
4375f103
JH		 4799{
4800 struct cmd_lookup match = { NULL, hdev };
24b4f38f 4801 struct hci_request req;
7816b820
FG		 4802 u8 instance;
4803 struct adv_info *adv_instance;
4804 int err;
4375f103 4805
3ad67582
JK		 4806 hci_dev_lock(hdev);
4807
4375f103
JH		 4808 if (status) {
4809 u8 mgmt_err = mgmt_status(status);
4810
4811 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4812 cmd_status_rsp, &mgmt_err);
3ad67582 4813 goto unlock;
4375f103
JH		 4814 }
4815
d7a5a11d 4816 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
a1536da2 4817 hci_dev_set_flag(hdev, HCI_ADVERTISING);
c93bd150 4818 else
a358dc11 4819 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
c93bd150 4820
4375f103
JH		 4821 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4822 &match);
4823
4824 new_settings(hdev, match.sk);
4825
4826 if (match.sk)
4827 sock_put(match.sk);
3ad67582 4828
24b4f38f 4829 /* If "Set Advertising" was just disabled and instance advertising was
7816b820 4830 * set up earlier, then re-enable multi-instance advertising.
24b4f38f
AU		 4831 */
4832 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7816b820
FG		 4833 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) ||
4834 list_empty(&hdev->adv_instances))
24b4f38f
AU		 4835 goto unlock;
4836
7816b820
FG		 4837 instance = hdev->cur_adv_instance;
4838 if (!instance) {
4839 adv_instance = list_first_entry_or_null(&hdev->adv_instances,
4840 struct adv_info, list);
4841 if (!adv_instance)
4842 goto unlock;
4843
4844 instance = adv_instance->instance;
4845 }
4846
24b4f38f
AU		 4847 hci_req_init(&req, hdev);
4848
7816b820
FG		 4849 err = schedule_adv_instance(&req, instance, true);
4850
4851 if (!err)
4852 err = hci_req_run(&req, enable_advertising_instance);
24b4f38f 4853
7816b820 4854 if (err)
24b4f38f
AU		 4855 BT_ERR("Failed to re-configure advertising");
4856
3ad67582
JK		 4857unlock:
4858 hci_dev_unlock(hdev);
4375f103
JH		 4859}
4860
21b5187f
MH		 4861static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4862 u16 len)
4375f103
JH		 4863{
4864 struct mgmt_mode *cp = data;
3b0602cd 4865 struct mgmt_pending_cmd *cmd;
4375f103 4866 struct hci_request req;
cc91cb04 4867 u8 val, status;
4375f103
JH		 4868 int err;
4869
4870 BT_DBG("request for %s", hdev->name);
4871
e6fe7986
JH		 4872 status = mgmt_le_support(hdev);
4873 if (status)
a69e8375
JH		 4874 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4875 status);
4375f103 4876
cc91cb04 4877 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 4878 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4879 MGMT_STATUS_INVALID_PARAMS);
4375f103
JH		 4880
4881 hci_dev_lock(hdev);
4882
4883 val = !!cp->val;
4375f103 4884
f74ca9b8
JH		 4885 /* The following conditions are ones which mean that we should
4886 * not do any HCI communication but directly send a mgmt
4887 * response to user space (after toggling the flag if
4888 * necessary).
4889 */
cc91cb04 4890 if (!hdev_is_powered(hdev) ||
d7a5a11d
MH		 4891 (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
4892 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) ||
e8bb6b97 4893 hci_conn_num(hdev, LE_LINK) > 0 ||
d7a5a11d 4894 (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
e8bb6b97 4895 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
cc91cb04 4896 bool changed;
4375f103 4897
cc91cb04 4898 if (cp->val) {
238be788 4899 changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING);
cc91cb04 4900 if (cp->val == 0x02)
a1536da2 4901 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4902 else
a358dc11 4903 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4904 } else {
a69d8927 4905 changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING);
a358dc11 4906 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
4375f103
JH		 4907 }
4908
4909 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4910 if (err < 0)
4911 goto unlock;
4912
4913 if (changed)
4914 err = new_settings(hdev, sk);
4915
4916 goto unlock;
4917 }
4918
333ae95d
JH		 4919 if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4920 pending_find(MGMT_OP_SET_LE, hdev)) {
a69e8375
JH		 4921 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4922 MGMT_STATUS_BUSY);
4375f103
JH		 4923 goto unlock;
4924 }
4925
4926 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4927 if (!cmd) {
4928 err = -ENOMEM;
4929 goto unlock;
4930 }
4931
4932 hci_req_init(&req, hdev);
4933
cc91cb04 4934 if (cp->val == 0x02)
a1536da2 4935 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4936 else
a358dc11 4937 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4938
7816b820
FG		 4939 cancel_adv_timeout(hdev);
4940
24b4f38f 4941 if (val) {
7816b820
FG		 4942 /* Switch to instance "0" for the Set Advertising setting.
4943 * We cannot use update_[adv|scan_rsp]_data() here as the
4944 * HCI_ADVERTISING flag is not yet set.
4945 */
efae002c
FG		 4946 update_inst_adv_data(&req, 0x00);
4947 update_inst_scan_rsp_data(&req, 0x00);
bba3aa55 4948 enable_advertising(&req);
24b4f38f 4949 } else {
bba3aa55 4950 disable_advertising(&req);
24b4f38f 4951 }
4375f103
JH		 4952
4953 err = hci_req_run(&req, set_advertising_complete);
4954 if (err < 0)
4955 mgmt_pending_remove(cmd);
4956
4957unlock:
4958 hci_dev_unlock(hdev);
4959 return err;
4960}
4961
d13eafce
MH		 4962static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4963 void *data, u16 len)
4964{
4965 struct mgmt_cp_set_static_address *cp = data;
4966 int err;
4967
4968 BT_DBG("%s", hdev->name);
4969
62af4443 4970 if (!lmp_le_capable(hdev))
a69e8375
JH		 4971 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4972 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 4973
4974 if (hdev_is_powered(hdev))
a69e8375
JH		 4975 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4976 MGMT_STATUS_REJECTED);
d13eafce
MH		 4977
4978 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4979 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
a69e8375
JH		 4980 return mgmt_cmd_status(sk, hdev->id,
4981 MGMT_OP_SET_STATIC_ADDRESS,
4982 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 4983
4984 /* Two most significant bits shall be set */
4985 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
a69e8375
JH		 4986 return mgmt_cmd_status(sk, hdev->id,
4987 MGMT_OP_SET_STATIC_ADDRESS,
4988 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 4989 }
4990
4991 hci_dev_lock(hdev);
4992
4993 bacpy(&hdev->static_addr, &cp->bdaddr);
4994
93690c22
MH		 4995 err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev);
4996 if (err < 0)
4997 goto unlock;
4998
4999 err = new_settings(hdev, sk);
d13eafce 5000
93690c22 5001unlock:
d13eafce 5002 hci_dev_unlock(hdev);
d13eafce
MH		 5003 return err;
5004}
5005
14b49b9a
MH		 5006static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
5007 void *data, u16 len)
5008{
5009 struct mgmt_cp_set_scan_params *cp = data;
5010 __u16 interval, window;
5011 int err;
5012
5013 BT_DBG("%s", hdev->name);
5014
5015 if (!lmp_le_capable(hdev))
a69e8375
JH		 5016 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5017 MGMT_STATUS_NOT_SUPPORTED);
14b49b9a
MH		 5018
5019 interval = __le16_to_cpu(cp->interval);
5020
5021 if (interval < 0x0004 || interval > 0x4000)
a69e8375
JH		 5022 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5023 MGMT_STATUS_INVALID_PARAMS);
14b49b9a
MH		 5024
5025 window = __le16_to_cpu(cp->window);
5026
5027 if (window < 0x0004 || window > 0x4000)
a69e8375
JH		 5028 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5029 MGMT_STATUS_INVALID_PARAMS);
14b49b9a 5030
899e1075 5031 if (window > interval)
a69e8375
JH		 5032 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5033 MGMT_STATUS_INVALID_PARAMS);
899e1075 5034
14b49b9a
MH		 5035 hci_dev_lock(hdev);
5036
5037 hdev->le_scan_interval = interval;
5038 hdev->le_scan_window = window;
5039
2a1afb5a
JH		 5040 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0,
5041 NULL, 0);
14b49b9a 5042
dd2ef8e2
AG		 5043 /* If background scan is running, restart it so new parameters are
5044 * loaded.
5045 */
d7a5a11d 5046 if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
dd2ef8e2
AG		 5047 hdev->discovery.state == DISCOVERY_STOPPED) {
5048 struct hci_request req;
5049
5050 hci_req_init(&req, hdev);
5051
5052 hci_req_add_le_scan_disable(&req);
5053 hci_req_add_le_passive_scan(&req);
5054
5055 hci_req_run(&req, NULL);
5056 }
5057
14b49b9a
MH		 5058 hci_dev_unlock(hdev);
5059
5060 return err;
5061}
5062
1904a853
MH		 5063static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
5064 u16 opcode)
33e38b3e 5065{
3b0602cd 5066 struct mgmt_pending_cmd *cmd;
33e38b3e
JH		 5067
5068 BT_DBG("status 0x%02x", status);
5069
5070 hci_dev_lock(hdev);
5071
333ae95d 5072 cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
33e38b3e
JH		 5073 if (!cmd)
5074 goto unlock;
5075
5076 if (status) {
a69e8375
JH		 5077 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5078 mgmt_status(status));
33e38b3e 5079 } else {
1a4d3c4b
JH		 5080 struct mgmt_mode *cp = cmd->param;
5081
5082 if (cp->val)
a1536da2 5083 hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 5084 else
a358dc11 5085 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 5086
33e38b3e
JH		 5087 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
5088 new_settings(hdev, cmd->sk);
5089 }
5090
5091 mgmt_pending_remove(cmd);
5092
5093unlock:
5094 hci_dev_unlock(hdev);
5095}
5096
bdb6d971 5097static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 5098 void *data, u16 len)
f6422ec6 5099{
650f726d 5100 struct mgmt_mode *cp = data;
3b0602cd 5101 struct mgmt_pending_cmd *cmd;
33e38b3e 5102 struct hci_request req;
f6422ec6
AJ		 5103 int err;
5104
bdb6d971 5105 BT_DBG("%s", hdev->name);
f6422ec6 5106
d7a5a11d 5107 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
56f87901 5108 hdev->hci_ver < BLUETOOTH_VER_1_2)
a69e8375
JH		 5109 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5110 MGMT_STATUS_NOT_SUPPORTED);
33c525c0 5111
a7e80f25 5112 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 5113 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5114 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 5115
f6422ec6
AJ		 5116 hci_dev_lock(hdev);
5117
333ae95d 5118 if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
a69e8375
JH		 5119 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5120 MGMT_STATUS_BUSY);
05cbf29f
JH		 5121 goto unlock;
5122 }
5123
d7a5a11d 5124 if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) {
1a4d3c4b
JH		 5125 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5126 hdev);
5127 goto unlock;
5128 }
5129
406ef2a6 5130 if (!hdev_is_powered(hdev)) {
ce05d603 5131 hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE);
406ef2a6
JH		 5132 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5133 hdev);
5134 new_settings(hdev, sk);
5135 goto unlock;
5136 }
5137
33e38b3e
JH		 5138 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
5139 data, len);
5140 if (!cmd) {
5141 err = -ENOMEM;
5142 goto unlock;
f6422ec6
AJ		 5143 }
5144
33e38b3e
JH		 5145 hci_req_init(&req, hdev);
5146
406d7804 5147 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 5148
5149 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 5150 if (err < 0) {
a69e8375
JH		 5151 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5152 MGMT_STATUS_FAILED);
33e38b3e 5153 mgmt_pending_remove(cmd);
f6422ec6
AJ		 5154 }
5155
33e38b3e 5156unlock:
f6422ec6 5157 hci_dev_unlock(hdev);
33e38b3e 5158
f6422ec6
AJ		 5159 return err;
5160}
5161
1904a853 5162static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
0663ca2a 5163{
3b0602cd 5164 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 5165
5166 BT_DBG("status 0x%02x", status);
5167
5168 hci_dev_lock(hdev);
5169
333ae95d 5170 cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
0663ca2a
JH		 5171 if (!cmd)
5172 goto unlock;
5173
5174 if (status) {
5175 u8 mgmt_err = mgmt_status(status);
5176
5177 /* We need to restore the flag if related HCI commands
5178 * failed.
5179 */
a358dc11 5180 hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a 5181
a69e8375 5182 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
0663ca2a
JH		 5183 } else {
5184 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
5185 new_settings(hdev, cmd->sk);
5186 }
5187
5188 mgmt_pending_remove(cmd);
5189
5190unlock:
5191 hci_dev_unlock(hdev);
5192}
5193
5194static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
5195{
5196 struct mgmt_mode *cp = data;
3b0602cd 5197 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 5198 struct hci_request req;
5199 int err;
5200
5201 BT_DBG("request for %s", hdev->name);
5202
5203 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
a69e8375
JH		 5204 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5205 MGMT_STATUS_NOT_SUPPORTED);
0663ca2a 5206
d7a5a11d 5207 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 5208 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5209 MGMT_STATUS_REJECTED);
0663ca2a
JH		 5210
5211 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 5212 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5213 MGMT_STATUS_INVALID_PARAMS);
0663ca2a
JH		 5214
5215 hci_dev_lock(hdev);
5216
d7a5a11d 5217 if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
0663ca2a
JH		 5218 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5219 goto unlock;
5220 }
5221
5222 if (!hdev_is_powered(hdev)) {
5223 if (!cp->val) {
a358dc11
MH		 5224 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
5225 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
5226 hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
5227 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
5228 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
0663ca2a
JH		 5229 }
5230
ce05d603 5231 hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 5232
5233 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5234 if (err < 0)
5235 goto unlock;
5236
5237 err = new_settings(hdev, sk);
5238 goto unlock;
5239 }
5240
5241 /* Reject disabling when powered on */
5242 if (!cp->val) {
a69e8375
JH		 5243 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5244 MGMT_STATUS_REJECTED);
0663ca2a 5245 goto unlock;
111e4bcc
MH		 5246 } else {
5247 /* When configuring a dual-mode controller to operate
5248 * with LE only and using a static address, then switching
5249 * BR/EDR back on is not allowed.
5250 *
5251 * Dual-mode controllers shall operate with the public
5252 * address as its identity address for BR/EDR and LE. So
5253 * reject the attempt to create an invalid configuration.
3a5486e1
MH		 5254 *
5255 * The same restrictions applies when secure connections
5256 * has been enabled. For BR/EDR this is a controller feature
5257 * while for LE it is a host stack feature. This means that
5258 * switching BR/EDR back on when secure connections has been
5259 * enabled is not a supported transaction.
111e4bcc 5260 */
d7a5a11d 5261 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
3a5486e1 5262 (bacmp(&hdev->static_addr, BDADDR_ANY) ||
d7a5a11d 5263 hci_dev_test_flag(hdev, HCI_SC_ENABLED))) {
a69e8375
JH		 5264 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5265 MGMT_STATUS_REJECTED);
111e4bcc
MH		 5266 goto unlock;
5267 }
0663ca2a
JH		 5268 }
5269
333ae95d 5270 if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
a69e8375
JH		 5271 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5272 MGMT_STATUS_BUSY);
0663ca2a
JH		 5273 goto unlock;
5274 }
5275
5276 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
5277 if (!cmd) {
5278 err = -ENOMEM;
5279 goto unlock;
5280 }
5281
5947f4bc 5282 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 5283 * generates the correct flags.
5284 */
a1536da2 5285 hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 5286
5287 hci_req_init(&req, hdev);
aa8af46e 5288
432df05e 5289 write_fast_connectable(&req, false);
1d2dc5b7 5290 __hci_update_page_scan(&req);
aa8af46e 5291
f14d8f64
MH		 5292 /* Since only the advertising data flags will change, there
5293 * is no need to update the scan response data.
5294 */
5947f4bc 5295 update_adv_data(&req);
aa8af46e 5296
0663ca2a
JH		 5297 err = hci_req_run(&req, set_bredr_complete);
5298 if (err < 0)
5299 mgmt_pending_remove(cmd);
5300
5301unlock:
5302 hci_dev_unlock(hdev);
5303 return err;
5304}
5305
a1443f5a
JH		 5306static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5307{
3b0602cd 5308 struct mgmt_pending_cmd *cmd;
a1443f5a
JH		 5309 struct mgmt_mode *cp;
5310
5311 BT_DBG("%s status %u", hdev->name, status);
5312
5313 hci_dev_lock(hdev);
5314
333ae95d 5315 cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev);
a1443f5a
JH		 5316 if (!cmd)
5317 goto unlock;
5318
5319 if (status) {
a69e8375
JH		 5320 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
5321 mgmt_status(status));
a1443f5a
JH		 5322 goto remove;
5323 }
5324
5325 cp = cmd->param;
5326
5327 switch (cp->val) {
5328 case 0x00:
a358dc11
MH		 5329 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
5330 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5331 break;
5332 case 0x01:
a1536da2 5333 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
a358dc11 5334 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5335 break;
5336 case 0x02:
a1536da2
MH		 5337 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
5338 hci_dev_set_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5339 break;
5340 }
5341
5342 send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev);
5343 new_settings(hdev, cmd->sk);
5344
5345remove:
5346 mgmt_pending_remove(cmd);
5347unlock:
5348 hci_dev_unlock(hdev);
5349}
5350
eac83dc6
MH		 5351static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
5352 void *data, u16 len)
5353{
5354 struct mgmt_mode *cp = data;
3b0602cd 5355 struct mgmt_pending_cmd *cmd;
a1443f5a 5356 struct hci_request req;
a3209694 5357 u8 val;
eac83dc6
MH		 5358 int err;
5359
5360 BT_DBG("request for %s", hdev->name);
5361
05b3c3e7 5362 if (!lmp_sc_capable(hdev) &&
d7a5a11d 5363 !hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 5364 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5365 MGMT_STATUS_NOT_SUPPORTED);
eac83dc6 5366
d7a5a11d 5367 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
59200286 5368 lmp_sc_capable(hdev) &&
d7a5a11d 5369 !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 5370 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5371 MGMT_STATUS_REJECTED);
ed93ec69 5372
0ab04a9c 5373 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375 5374 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
eac83dc6
MH		 5375 MGMT_STATUS_INVALID_PARAMS);
5376
5377 hci_dev_lock(hdev);
5378
05b3c3e7 5379 if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) ||
d7a5a11d 5380 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
eac83dc6
MH		 5381 bool changed;
5382
0ab04a9c 5383 if (cp->val) {
238be788
MH		 5384 changed = !hci_dev_test_and_set_flag(hdev,
5385 HCI_SC_ENABLED);
0ab04a9c 5386 if (cp->val == 0x02)
a1536da2 5387 hci_dev_set_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5388 else
a358dc11 5389 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5390 } else {
a69d8927
MH		 5391 changed = hci_dev_test_and_clear_flag(hdev,
5392 HCI_SC_ENABLED);
a358dc11 5393 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5394 }
eac83dc6
MH		 5395
5396 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5397 if (err < 0)
5398 goto failed;
5399
5400 if (changed)
5401 err = new_settings(hdev, sk);
5402
5403 goto failed;
5404 }
5405
333ae95d 5406 if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
a69e8375
JH		 5407 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5408 MGMT_STATUS_BUSY);
eac83dc6
MH		 5409 goto failed;
5410 }
5411
0ab04a9c
MH		 5412 val = !!cp->val;
5413
d7a5a11d
MH		 5414 if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
5415 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
eac83dc6
MH		 5416 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5417 goto failed;
5418 }
5419
5420 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
5421 if (!cmd) {
5422 err = -ENOMEM;
5423 goto failed;
5424 }
5425
a1443f5a
JH		 5426 hci_req_init(&req, hdev);
5427 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
5428 err = hci_req_run(&req, sc_enable_complete);
eac83dc6
MH		 5429 if (err < 0) {
5430 mgmt_pending_remove(cmd);
5431 goto failed;
5432 }
5433
5434failed:
5435 hci_dev_unlock(hdev);
5436 return err;
5437}
5438
4e39ac81
MH		 5439static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
5440 void *data, u16 len)
5441{
5442 struct mgmt_mode *cp = data;
b9710979 5443 bool changed, use_changed;
4e39ac81
MH		 5444 int err;
5445
5446 BT_DBG("request for %s", hdev->name);
5447
b9710979 5448 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 5449 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
5450 MGMT_STATUS_INVALID_PARAMS);
4e39ac81
MH		 5451
5452 hci_dev_lock(hdev);
5453
5454 if (cp->val)
238be788 5455 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
4e39ac81 5456 else
a69d8927
MH		 5457 changed = hci_dev_test_and_clear_flag(hdev,
5458 HCI_KEEP_DEBUG_KEYS);
4e39ac81 5459
b9710979 5460 if (cp->val == 0x02)
238be788
MH		 5461 use_changed = !hci_dev_test_and_set_flag(hdev,
5462 HCI_USE_DEBUG_KEYS);
b9710979 5463 else
a69d8927
MH		 5464 use_changed = hci_dev_test_and_clear_flag(hdev,
5465 HCI_USE_DEBUG_KEYS);
b9710979
JH		 5466
5467 if (hdev_is_powered(hdev) && use_changed &&
d7a5a11d 5468 hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
b9710979
JH		 5469 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
5470 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
5471 sizeof(mode), &mode);
5472 }
5473
4e39ac81
MH		 5474 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
5475 if (err < 0)
5476 goto unlock;
5477
5478 if (changed)
5479 err = new_settings(hdev, sk);
5480
5481unlock:
5482 hci_dev_unlock(hdev);
5483 return err;
5484}
5485
62b04cd1
JH		 5486static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5487 u16 len)
5488{
5489 struct mgmt_cp_set_privacy *cp = cp_data;
5490 bool changed;
5491 int err;
5492
5493 BT_DBG("request for %s", hdev->name);
5494
5495 if (!lmp_le_capable(hdev))
a69e8375
JH		 5496 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5497 MGMT_STATUS_NOT_SUPPORTED);
62b04cd1
JH		 5498
5499 if (cp->privacy != 0x00 && cp->privacy != 0x01)
a69e8375
JH		 5500 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5501 MGMT_STATUS_INVALID_PARAMS);
62b04cd1
JH		 5502
5503 if (hdev_is_powered(hdev))
a69e8375
JH		 5504 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5505 MGMT_STATUS_REJECTED);
62b04cd1
JH		 5506
5507 hci_dev_lock(hdev);
5508
c21c0ea0
JH		 5509 /* If user space supports this command it is also expected to
5510 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
5511 */
a1536da2 5512 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
c21c0ea0 5513
62b04cd1 5514 if (cp->privacy) {
238be788 5515 changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY);
62b04cd1 5516 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
a1536da2 5517 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
62b04cd1 5518 } else {
a69d8927 5519 changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY);
62b04cd1 5520 memset(hdev->irk, 0, sizeof(hdev->irk));
a358dc11 5521 hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED);
62b04cd1
JH		 5522 }
5523
5524 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
5525 if (err < 0)
5526 goto unlock;
5527
5528 if (changed)
5529 err = new_settings(hdev, sk);
5530
5531unlock:
5532 hci_dev_unlock(hdev);
5533 return err;
5534}
5535
41edf160
JH		 5536static bool irk_is_valid(struct mgmt_irk_info *irk)
5537{
5538 switch (irk->addr.type) {
5539 case BDADDR_LE_PUBLIC:
5540 return true;
5541
5542 case BDADDR_LE_RANDOM:
5543 /* Two most significant bits shall be set */
5544 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5545 return false;
5546 return true;
5547 }
5548
5549 return false;
5550}
5551
5552static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5553 u16 len)
5554{
5555 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 5556 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
5557 sizeof(struct mgmt_irk_info));
41edf160
JH		 5558 u16 irk_count, expected_len;
5559 int i, err;
5560
5561 BT_DBG("request for %s", hdev->name);
5562
5563 if (!lmp_le_capable(hdev))
a69e8375
JH		 5564 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5565 MGMT_STATUS_NOT_SUPPORTED);
41edf160
JH		 5566
5567 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 5568 if (irk_count > max_irk_count) {
5569 BT_ERR("load_irks: too big irk_count value %u", irk_count);
a69e8375
JH		 5570 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5571 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5572 }
41edf160
JH		 5573
5574 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
5575 if (expected_len != len) {
5576 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 5577 expected_len, len);
a69e8375
JH		 5578 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5579 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 5580 }
5581
5582 BT_DBG("%s irk_count %u", hdev->name, irk_count);
5583
5584 for (i = 0; i < irk_count; i++) {
5585 struct mgmt_irk_info *key = &cp->irks[i];
5586
5587 if (!irk_is_valid(key))
a69e8375
JH		 5588 return mgmt_cmd_status(sk, hdev->id,
5589 MGMT_OP_LOAD_IRKS,
5590 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 5591 }
5592
5593 hci_dev_lock(hdev);
5594
5595 hci_smp_irks_clear(hdev);
5596
5597 for (i = 0; i < irk_count; i++) {
5598 struct mgmt_irk_info *irk = &cp->irks[i];
5599 u8 addr_type;
5600
5601 if (irk->addr.type == BDADDR_LE_PUBLIC)
5602 addr_type = ADDR_LE_DEV_PUBLIC;
5603 else
5604 addr_type = ADDR_LE_DEV_RANDOM;
5605
5606 hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
5607 BDADDR_ANY);
5608 }
5609
a1536da2 5610 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
41edf160 5611
2a1afb5a 5612 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
41edf160
JH		 5613
5614 hci_dev_unlock(hdev);
5615
5616 return err;
5617}
5618
3f706b72
JH		 5619static bool ltk_is_valid(struct mgmt_ltk_info *key)
5620{
5621 if (key->master != 0x00 && key->master != 0x01)
5622 return false;
490cb0b3
MH		 5623
5624 switch (key->addr.type) {
5625 case BDADDR_LE_PUBLIC:
5626 return true;
5627
5628 case BDADDR_LE_RANDOM:
5629 /* Two most significant bits shall be set */
5630 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5631 return false;
5632 return true;
5633 }
5634
5635 return false;
3f706b72
JH		 5636}
5637
bdb6d971 5638static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 5639 void *cp_data, u16 len)
346af67b 5640{
346af67b 5641 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 5642 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
5643 sizeof(struct mgmt_ltk_info));
346af67b 5644 u16 key_count, expected_len;
715a5bf2 5645 int i, err;
346af67b 5646
cf99ba13
MH		 5647 BT_DBG("request for %s", hdev->name);
5648
5649 if (!lmp_le_capable(hdev))
a69e8375
JH		 5650 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5651 MGMT_STATUS_NOT_SUPPORTED);
cf99ba13 5652
1f350c87 5653 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 5654 if (key_count > max_key_count) {
5655 BT_ERR("load_ltks: too big key_count value %u", key_count);
a69e8375
JH		 5656 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5657 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5658 }
346af67b
VCG		 5659
5660 expected_len = sizeof(*cp) + key_count *
5661 sizeof(struct mgmt_ltk_info);
5662 if (expected_len != len) {
5663 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 5664 expected_len, len);
a69e8375
JH		 5665 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5666 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 5667 }
5668
bdb6d971 5669 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 5670
54ad6d8a
JH		 5671 for (i = 0; i < key_count; i++) {
5672 struct mgmt_ltk_info *key = &cp->keys[i];
5673
3f706b72 5674 if (!ltk_is_valid(key))
a69e8375
JH		 5675 return mgmt_cmd_status(sk, hdev->id,
5676 MGMT_OP_LOAD_LONG_TERM_KEYS,
5677 MGMT_STATUS_INVALID_PARAMS);
54ad6d8a
JH		 5678 }
5679
346af67b
VCG		 5680 hci_dev_lock(hdev);
5681
5682 hci_smp_ltks_clear(hdev);
5683
5684 for (i = 0; i < key_count; i++) {
5685 struct mgmt_ltk_info *key = &cp->keys[i];
d7b25450 5686 u8 type, addr_type, authenticated;
79d95a19
MH		 5687
5688 if (key->addr.type == BDADDR_LE_PUBLIC)
5689 addr_type = ADDR_LE_DEV_PUBLIC;
5690 else
5691 addr_type = ADDR_LE_DEV_RANDOM;
346af67b 5692
61b43357
JH		 5693 switch (key->type) {
5694 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 5695 authenticated = 0x00;
23fb8de3 5696 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
61b43357
JH		 5697 break;
5698 case MGMT_LTK_AUTHENTICATED:
d7b25450 5699 authenticated = 0x01;
23fb8de3
JH		 5700 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
5701 break;
5702 case MGMT_LTK_P256_UNAUTH:
5703 authenticated = 0x00;
5704 type = SMP_LTK_P256;
61b43357 5705 break;
23fb8de3
JH		 5706 case MGMT_LTK_P256_AUTH:
5707 authenticated = 0x01;
5708 type = SMP_LTK_P256;
61b43357 5709 break;
23fb8de3
JH		 5710 case MGMT_LTK_P256_DEBUG:
5711 authenticated = 0x00;
5712 type = SMP_LTK_P256_DEBUG;
61b43357
JH		 5713 default:
5714 continue;
5715 }
d7b25450 5716
35d70271 5717 hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
d7b25450 5718 authenticated, key->val, key->enc_size, key->ediv,
35d70271 5719 key->rand);
346af67b
VCG		 5720 }
5721
2a1afb5a 5722 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
715a5bf2
JH		 5723 NULL, 0);
5724
346af67b 5725 hci_dev_unlock(hdev);
346af67b 5726
715a5bf2 5727 return err;
346af67b
VCG		 5728}
5729
3b0602cd 5730static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
dd983808 5731{
dd983808 5732 struct hci_conn *conn = cmd->user_data;
9981bdb0 5733 struct mgmt_rp_get_conn_info rp;
9df74653 5734 int err;
dd983808 5735
9981bdb0 5736 memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
dd983808 5737
9981bdb0 5738 if (status == MGMT_STATUS_SUCCESS) {
dd983808 5739 rp.rssi = conn->rssi;
9981bdb0
JH		 5740 rp.tx_power = conn->tx_power;
5741 rp.max_tx_power = conn->max_tx_power;
5742 } else {
5743 rp.rssi = HCI_RSSI_INVALID;
5744 rp.tx_power = HCI_TX_POWER_INVALID;
5745 rp.max_tx_power = HCI_TX_POWER_INVALID;
dd983808
AK		 5746 }
5747
2a1afb5a
JH		 5748 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
5749 status, &rp, sizeof(rp));
dd983808
AK		 5750
5751 hci_conn_drop(conn);
f8aaf9b6 5752 hci_conn_put(conn);
9df74653
JH		 5753
5754 return err;
dd983808
AK		 5755}
5756
1904a853
MH		 5757static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
5758 u16 opcode)
dd983808
AK		 5759{
5760 struct hci_cp_read_rssi *cp;
3b0602cd 5761 struct mgmt_pending_cmd *cmd;
dd983808 5762 struct hci_conn *conn;
dd983808 5763 u16 handle;
9981bdb0 5764 u8 status;
dd983808 5765
9981bdb0 5766 BT_DBG("status 0x%02x", hci_status);
dd983808
AK		 5767
5768 hci_dev_lock(hdev);
5769
dd983808
AK		 5770 /* Commands sent in request are either Read RSSI or Read Transmit Power
5771 * Level so we check which one was last sent to retrieve connection
5772 * handle. Both commands have handle as first parameter so it's safe to
5773 * cast data on the same command struct.
5774 *
5775 * First command sent is always Read RSSI and we fail only if it fails.
5776 * In other case we simply override error to indicate success as we
5777 * already remembered if TX power value is actually valid.
5778 */
5779 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
5780 if (!cp) {
5781 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
9981bdb0
JH		 5782 status = MGMT_STATUS_SUCCESS;
5783 } else {
5784 status = mgmt_status(hci_status);
dd983808
AK		 5785 }
5786
5787 if (!cp) {
9981bdb0 5788 BT_ERR("invalid sent_cmd in conn_info response");
dd983808
AK		 5789 goto unlock;
5790 }
5791
5792 handle = __le16_to_cpu(cp->handle);
5793 conn = hci_conn_hash_lookup_handle(hdev, handle);
5794 if (!conn) {
9981bdb0 5795 BT_ERR("unknown handle (%d) in conn_info response", handle);
dd983808
AK		 5796 goto unlock;
5797 }
5798
333ae95d 5799 cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn);
9981bdb0
JH		 5800 if (!cmd)
5801 goto unlock;
dd983808 5802
9981bdb0
JH		 5803 cmd->cmd_complete(cmd, status);
5804 mgmt_pending_remove(cmd);
dd983808
AK		 5805
5806unlock:
5807 hci_dev_unlock(hdev);
5808}
5809
5810static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
5811 u16 len)
5812{
5813 struct mgmt_cp_get_conn_info *cp = data;
5814 struct mgmt_rp_get_conn_info rp;
5815 struct hci_conn *conn;
5816 unsigned long conn_info_age;
5817 int err = 0;
5818
5819 BT_DBG("%s", hdev->name);
5820
5821 memset(&rp, 0, sizeof(rp));
5822 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5823 rp.addr.type = cp->addr.type;
5824
5825 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 5826 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5827 MGMT_STATUS_INVALID_PARAMS,
5828 &rp, sizeof(rp));
dd983808
AK		 5829
5830 hci_dev_lock(hdev);
5831
5832 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 5833 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5834 MGMT_STATUS_NOT_POWERED, &rp,
5835 sizeof(rp));
dd983808
AK		 5836 goto unlock;
5837 }
5838
5839 if (cp->addr.type == BDADDR_BREDR)
5840 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5841 &cp->addr.bdaddr);
5842 else
5843 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5844
5845 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 5846 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5847 MGMT_STATUS_NOT_CONNECTED, &rp,
5848 sizeof(rp));
dd983808
AK		 5849 goto unlock;
5850 }
5851
333ae95d 5852 if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) {
2a1afb5a
JH		 5853 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5854 MGMT_STATUS_BUSY, &rp, sizeof(rp));
9981bdb0
JH		 5855 goto unlock;
5856 }
5857
dd983808
AK		 5858 /* To avoid client trying to guess when to poll again for information we
5859 * calculate conn info age as random value between min/max set in hdev.
5860 */
5861 conn_info_age = hdev->conn_info_min_age +
5862 prandom_u32_max(hdev->conn_info_max_age -
5863 hdev->conn_info_min_age);
5864
5865 /* Query controller to refresh cached values if they are too old or were
5866 * never read.
5867 */
f4e2dd53
AK		 5868 if (time_after(jiffies, conn->conn_info_timestamp +
5869 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 5870 !conn->conn_info_timestamp) {
5871 struct hci_request req;
5872 struct hci_cp_read_tx_power req_txp_cp;
5873 struct hci_cp_read_rssi req_rssi_cp;
3b0602cd 5874 struct mgmt_pending_cmd *cmd;
dd983808
AK		 5875
5876 hci_req_init(&req, hdev);
5877 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5878 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5879 &req_rssi_cp);
5880
f7faab0c
AK		 5881 /* For LE links TX power does not change thus we don't need to
5882 * query for it once value is known.
5883 */
5884 if (!bdaddr_type_is_le(cp->addr.type) ||
5885 conn->tx_power == HCI_TX_POWER_INVALID) {
5886 req_txp_cp.handle = cpu_to_le16(conn->handle);
5887 req_txp_cp.type = 0x00;
5888 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5889 sizeof(req_txp_cp), &req_txp_cp);
5890 }
dd983808 5891
eed5daf3
AK		 5892 /* Max TX power needs to be read only once per connection */
5893 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5894 req_txp_cp.handle = cpu_to_le16(conn->handle);
5895 req_txp_cp.type = 0x01;
5896 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5897 sizeof(req_txp_cp), &req_txp_cp);
5898 }
5899
dd983808
AK		 5900 err = hci_req_run(&req, conn_info_refresh_complete);
5901 if (err < 0)
5902 goto unlock;
5903
5904 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5905 data, len);
5906 if (!cmd) {
5907 err = -ENOMEM;
5908 goto unlock;
5909 }
5910
5911 hci_conn_hold(conn);
f8aaf9b6 5912 cmd->user_data = hci_conn_get(conn);
9981bdb0 5913 cmd->cmd_complete = conn_info_cmd_complete;
dd983808
AK		 5914
5915 conn->conn_info_timestamp = jiffies;
5916 } else {
5917 /* Cache is valid, just reply with values cached in hci_conn */
5918 rp.rssi = conn->rssi;
5919 rp.tx_power = conn->tx_power;
eed5daf3 5920 rp.max_tx_power = conn->max_tx_power;
dd983808 5921
2a1afb5a
JH		 5922 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5923 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
dd983808
AK		 5924 }
5925
5926unlock:
5927 hci_dev_unlock(hdev);
5928 return err;
5929}
5930
3b0602cd 5931static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
95868426 5932{
69487371 5933 struct hci_conn *conn = cmd->user_data;
95868426 5934 struct mgmt_rp_get_clock_info rp;
69487371 5935 struct hci_dev *hdev;
9df74653 5936 int err;
69487371
JH		 5937
5938 memset(&rp, 0, sizeof(rp));
5939 memcpy(&rp.addr, &cmd->param, sizeof(rp.addr));
5940
5941 if (status)
5942 goto complete;
5943
5944 hdev = hci_dev_get(cmd->index);
5945 if (hdev) {
5946 rp.local_clock = cpu_to_le32(hdev->clock);
5947 hci_dev_put(hdev);
5948 }
5949
5950 if (conn) {
5951 rp.piconet_clock = cpu_to_le32(conn->clock);
5952 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5953 }
5954
5955complete:
2a1afb5a
JH		 5956 err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
5957 sizeof(rp));
69487371
JH		 5958
5959 if (conn) {
5960 hci_conn_drop(conn);
5961 hci_conn_put(conn);
5962 }
9df74653
JH		 5963
5964 return err;
69487371
JH		 5965}
5966
1904a853 5967static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
69487371 5968{
95868426 5969 struct hci_cp_read_clock *hci_cp;
3b0602cd 5970 struct mgmt_pending_cmd *cmd;
95868426
JH		 5971 struct hci_conn *conn;
5972
5973 BT_DBG("%s status %u", hdev->name, status);
5974
5975 hci_dev_lock(hdev);
5976
5977 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5978 if (!hci_cp)
5979 goto unlock;
5980
5981 if (hci_cp->which) {
5982 u16 handle = __le16_to_cpu(hci_cp->handle);
5983 conn = hci_conn_hash_lookup_handle(hdev, handle);
5984 } else {
5985 conn = NULL;
5986 }
5987
333ae95d 5988 cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
95868426
JH		 5989 if (!cmd)
5990 goto unlock;
5991
69487371 5992 cmd->cmd_complete(cmd, mgmt_status(status));
95868426 5993 mgmt_pending_remove(cmd);
95868426
JH		 5994
5995unlock:
5996 hci_dev_unlock(hdev);
5997}
5998
5999static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
6000 u16 len)
6001{
6002 struct mgmt_cp_get_clock_info *cp = data;
6003 struct mgmt_rp_get_clock_info rp;
6004 struct hci_cp_read_clock hci_cp;
3b0602cd 6005 struct mgmt_pending_cmd *cmd;
95868426
JH		 6006 struct hci_request req;
6007 struct hci_conn *conn;
6008 int err;
6009
6010 BT_DBG("%s", hdev->name);
6011
6012 memset(&rp, 0, sizeof(rp));
6013 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6014 rp.addr.type = cp->addr.type;
6015
6016 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 6017 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6018 MGMT_STATUS_INVALID_PARAMS,
6019 &rp, sizeof(rp));
95868426
JH		 6020
6021 hci_dev_lock(hdev);
6022
6023 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 6024 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6025 MGMT_STATUS_NOT_POWERED, &rp,
6026 sizeof(rp));
95868426
JH		 6027 goto unlock;
6028 }
6029
6030 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
6031 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
6032 &cp->addr.bdaddr);
6033 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 6034 err = mgmt_cmd_complete(sk, hdev->id,
6035 MGMT_OP_GET_CLOCK_INFO,
6036 MGMT_STATUS_NOT_CONNECTED,
6037 &rp, sizeof(rp));
95868426
JH		 6038 goto unlock;
6039 }
6040 } else {
6041 conn = NULL;
6042 }
6043
6044 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
6045 if (!cmd) {
6046 err = -ENOMEM;
6047 goto unlock;
6048 }
6049
69487371
JH		 6050 cmd->cmd_complete = clock_info_cmd_complete;
6051
95868426
JH		 6052 hci_req_init(&req, hdev);
6053
6054 memset(&hci_cp, 0, sizeof(hci_cp));
6055 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6056
6057 if (conn) {
6058 hci_conn_hold(conn);
f8aaf9b6 6059 cmd->user_data = hci_conn_get(conn);
95868426
JH		 6060
6061 hci_cp.handle = cpu_to_le16(conn->handle);
6062 hci_cp.which = 0x01; /* Piconet clock */
6063 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6064 }
6065
6066 err = hci_req_run(&req, get_clock_info_complete);
6067 if (err < 0)
6068 mgmt_pending_remove(cmd);
6069
6070unlock:
6071 hci_dev_unlock(hdev);
6072 return err;
6073}
6074
5a154e6f
JH		 6075static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
6076{
6077 struct hci_conn *conn;
6078
6079 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
6080 if (!conn)
6081 return false;
6082
6083 if (conn->dst_type != type)
6084 return false;
6085
6086 if (conn->state != BT_CONNECTED)
6087 return false;
6088
6089 return true;
6090}
6091
6092/* This function requires the caller holds hdev->lock */
6093static int hci_conn_params_set(struct hci_request *req, bdaddr_t *addr,
6094 u8 addr_type, u8 auto_connect)
6095{
6096 struct hci_dev *hdev = req->hdev;
6097 struct hci_conn_params *params;
6098
6099 params = hci_conn_params_add(hdev, addr, addr_type);
6100 if (!params)
6101 return -EIO;
6102
6103 if (params->auto_connect == auto_connect)
6104 return 0;
6105
6106 list_del_init(&params->action);
6107
6108 switch (auto_connect) {
6109 case HCI_AUTO_CONN_DISABLED:
6110 case HCI_AUTO_CONN_LINK_LOSS:
28a667c9
JP		 6111 /* If auto connect is being disabled when we're trying to
6112 * connect to device, keep connecting.
6113 */
6114 if (params->explicit_connect)
6115 list_add(&params->action, &hdev->pend_le_conns);
6116
5a154e6f
JH		 6117 __hci_update_background_scan(req);
6118 break;
6119 case HCI_AUTO_CONN_REPORT:
49c50922
JH		 6120 if (params->explicit_connect)
6121 list_add(&params->action, &hdev->pend_le_conns);
6122 else
6123 list_add(&params->action, &hdev->pend_le_reports);
5a154e6f
JH		 6124 __hci_update_background_scan(req);
6125 break;
6126 case HCI_AUTO_CONN_DIRECT:
6127 case HCI_AUTO_CONN_ALWAYS:
6128 if (!is_connected(hdev, addr, addr_type)) {
6129 list_add(&params->action, &hdev->pend_le_conns);
168b8a25
JP		 6130 /* If we are in scan phase of connecting, we were
6131 * already added to pend_le_conns and scanning.
6132 */
6133 if (params->auto_connect != HCI_AUTO_CONN_EXPLICIT)
6134 __hci_update_background_scan(req);
5a154e6f
JH		 6135 }
6136 break;
6137 }
6138
6139 params->auto_connect = auto_connect;
6140
6141 BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
6142 auto_connect);
6143
6144 return 0;
6145}
6146
8afef092
MH		 6147static void device_added(struct sock *sk, struct hci_dev *hdev,
6148 bdaddr_t *bdaddr, u8 type, u8 action)
6149{
6150 struct mgmt_ev_device_added ev;
6151
6152 bacpy(&ev.addr.bdaddr, bdaddr);
6153 ev.addr.type = type;
6154 ev.action = action;
6155
6156 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
6157}
6158
1904a853 6159static void add_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5a154e6f 6160{
3b0602cd 6161 struct mgmt_pending_cmd *cmd;
5a154e6f
JH		 6162
6163 BT_DBG("status 0x%02x", status);
6164
6165 hci_dev_lock(hdev);
6166
333ae95d 6167 cmd = pending_find(MGMT_OP_ADD_DEVICE, hdev);
5a154e6f
JH		 6168 if (!cmd)
6169 goto unlock;
6170
6171 cmd->cmd_complete(cmd, mgmt_status(status));
6172 mgmt_pending_remove(cmd);
6173
6174unlock:
6175 hci_dev_unlock(hdev);
6176}
6177
2faade53
MH		 6178static int add_device(struct sock *sk, struct hci_dev *hdev,
6179 void *data, u16 len)
6180{
6181 struct mgmt_cp_add_device *cp = data;
3b0602cd 6182 struct mgmt_pending_cmd *cmd;
5a154e6f 6183 struct hci_request req;
2faade53
MH		 6184 u8 auto_conn, addr_type;
6185 int err;
6186
6187 BT_DBG("%s", hdev->name);
6188
6659358e 6189 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53 6190 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
2a1afb5a
JH		 6191 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6192 MGMT_STATUS_INVALID_PARAMS,
6193 &cp->addr, sizeof(cp->addr));
2faade53 6194
4b9e7e75 6195 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2a1afb5a
JH		 6196 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6197 MGMT_STATUS_INVALID_PARAMS,
6198 &cp->addr, sizeof(cp->addr));
2faade53 6199
5a154e6f
JH		 6200 hci_req_init(&req, hdev);
6201
2faade53
MH		 6202 hci_dev_lock(hdev);
6203
5a154e6f
JH		 6204 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_DEVICE, hdev, data, len);
6205 if (!cmd) {
6206 err = -ENOMEM;
6207 goto unlock;
6208 }
6209
6210 cmd->cmd_complete = addr_cmd_complete;
6211
6659358e 6212 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 6213 /* Only incoming connections action is supported for now */
6659358e 6214 if (cp->action != 0x01) {
9df74653
JH		 6215 err = cmd->cmd_complete(cmd,
6216 MGMT_STATUS_INVALID_PARAMS);
5a154e6f 6217 mgmt_pending_remove(cmd);
6659358e
JH		 6218 goto unlock;
6219 }
6220
6221 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
6222 cp->addr.type);
6223 if (err)
6224 goto unlock;
a397407f 6225
5a154e6f 6226 __hci_update_page_scan(&req);
a397407f 6227
6659358e
JH		 6228 goto added;
6229 }
6230
2faade53
MH		 6231 if (cp->addr.type == BDADDR_LE_PUBLIC)
6232 addr_type = ADDR_LE_DEV_PUBLIC;
6233 else
6234 addr_type = ADDR_LE_DEV_RANDOM;
6235
4b9e7e75 6236 if (cp->action == 0x02)
2faade53 6237 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 6238 else if (cp->action == 0x01)
6239 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 6240 else
a3451d27 6241 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 6242
9a0a8a8e
JP		 6243 /* Kernel internally uses conn_params with resolvable private
6244 * address, but Add Device allows only identity addresses.
6245 * Make sure it is enforced before calling
6246 * hci_conn_params_lookup.
6247 */
6248 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
6249 err = cmd->cmd_complete(cmd, MGMT_STATUS_INVALID_PARAMS);
6250 mgmt_pending_remove(cmd);
6251 goto unlock;
6252 }
6253
bf5b3c8b
MH		 6254 /* If the connection parameters don't exist for this device,
6255 * they will be created and configured with defaults.
6256 */
5a154e6f 6257 if (hci_conn_params_set(&req, &cp->addr.bdaddr, addr_type,
d06b50ce 6258 auto_conn) < 0) {
9df74653 6259 err = cmd->cmd_complete(cmd, MGMT_STATUS_FAILED);
5a154e6f 6260 mgmt_pending_remove(cmd);
2faade53
MH		 6261 goto unlock;
6262 }
6263
6659358e 6264added:
8afef092
MH		 6265 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
6266
5a154e6f
JH		 6267 err = hci_req_run(&req, add_device_complete);
6268 if (err < 0) {
6269 /* ENODATA means no HCI commands were needed (e.g. if
6270 * the adapter is powered off).
6271 */
9df74653
JH		 6272 if (err == -ENODATA)
6273 err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
5a154e6f
JH		 6274 mgmt_pending_remove(cmd);
6275 }
2faade53
MH		 6276
6277unlock:
6278 hci_dev_unlock(hdev);
6279 return err;
6280}
6281
8afef092
MH		 6282static void device_removed(struct sock *sk, struct hci_dev *hdev,
6283 bdaddr_t *bdaddr, u8 type)
6284{
6285 struct mgmt_ev_device_removed ev;
6286
6287 bacpy(&ev.addr.bdaddr, bdaddr);
6288 ev.addr.type = type;
6289
6290 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
6291}
6292
1904a853 6293static void remove_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
51ef3ebe 6294{
3b0602cd 6295 struct mgmt_pending_cmd *cmd;
51ef3ebe
JH		 6296
6297 BT_DBG("status 0x%02x", status);
6298
6299 hci_dev_lock(hdev);
6300
333ae95d 6301 cmd = pending_find(MGMT_OP_REMOVE_DEVICE, hdev);
51ef3ebe
JH		 6302 if (!cmd)
6303 goto unlock;
6304
6305 cmd->cmd_complete(cmd, mgmt_status(status));
6306 mgmt_pending_remove(cmd);
6307
6308unlock:
6309 hci_dev_unlock(hdev);
6310}
6311
2faade53
MH		 6312static int remove_device(struct sock *sk, struct hci_dev *hdev,
6313 void *data, u16 len)
6314{
6315 struct mgmt_cp_remove_device *cp = data;
3b0602cd 6316 struct mgmt_pending_cmd *cmd;
51ef3ebe 6317 struct hci_request req;
2faade53
MH		 6318 int err;
6319
6320 BT_DBG("%s", hdev->name);
6321
51ef3ebe
JH		 6322 hci_req_init(&req, hdev);
6323
2faade53
MH		 6324 hci_dev_lock(hdev);
6325
51ef3ebe
JH		 6326 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_DEVICE, hdev, data, len);
6327 if (!cmd) {
6328 err = -ENOMEM;
6329 goto unlock;
6330 }
6331
6332 cmd->cmd_complete = addr_cmd_complete;
6333
2faade53 6334 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 6335 struct hci_conn_params *params;
2faade53
MH		 6336 u8 addr_type;
6337
6659358e 6338 if (!bdaddr_type_is_valid(cp->addr.type)) {
9df74653
JH		 6339 err = cmd->cmd_complete(cmd,
6340 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6341 mgmt_pending_remove(cmd);
2faade53
MH		 6342 goto unlock;
6343 }
6344
6659358e
JH		 6345 if (cp->addr.type == BDADDR_BREDR) {
6346 err = hci_bdaddr_list_del(&hdev->whitelist,
6347 &cp->addr.bdaddr,
6348 cp->addr.type);
6349 if (err) {
9df74653
JH		 6350 err = cmd->cmd_complete(cmd,
6351 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6352 mgmt_pending_remove(cmd);
6659358e
JH		 6353 goto unlock;
6354 }
6355
51ef3ebe 6356 __hci_update_page_scan(&req);
a397407f 6357
6659358e
JH		 6358 device_removed(sk, hdev, &cp->addr.bdaddr,
6359 cp->addr.type);
6360 goto complete;
6361 }
6362
2faade53
MH		 6363 if (cp->addr.type == BDADDR_LE_PUBLIC)
6364 addr_type = ADDR_LE_DEV_PUBLIC;
6365 else
6366 addr_type = ADDR_LE_DEV_RANDOM;
6367
9a0a8a8e
JP		 6368 /* Kernel internally uses conn_params with resolvable private
6369 * address, but Remove Device allows only identity addresses.
6370 * Make sure it is enforced before calling
6371 * hci_conn_params_lookup.
6372 */
6373 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
6374 err = cmd->cmd_complete(cmd,
6375 MGMT_STATUS_INVALID_PARAMS);
6376 mgmt_pending_remove(cmd);
6377 goto unlock;
6378 }
6379
c71593dd
JH		 6380 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
6381 addr_type);
6382 if (!params) {
9df74653
JH		 6383 err = cmd->cmd_complete(cmd,
6384 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6385 mgmt_pending_remove(cmd);
c71593dd
JH		 6386 goto unlock;
6387 }
6388
679d2b6f
JH		 6389 if (params->auto_connect == HCI_AUTO_CONN_DISABLED ||
6390 params->auto_connect == HCI_AUTO_CONN_EXPLICIT) {
9df74653
JH		 6391 err = cmd->cmd_complete(cmd,
6392 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6393 mgmt_pending_remove(cmd);
c71593dd
JH		 6394 goto unlock;
6395 }
6396
d1dbf12e 6397 list_del(&params->action);
c71593dd
JH		 6398 list_del(&params->list);
6399 kfree(params);
51ef3ebe 6400 __hci_update_background_scan(&req);
8afef092
MH		 6401
6402 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 6403 } else {
19de0825 6404 struct hci_conn_params *p, *tmp;
6659358e 6405 struct bdaddr_list *b, *btmp;
19de0825 6406
2faade53 6407 if (cp->addr.type) {
9df74653
JH		 6408 err = cmd->cmd_complete(cmd,
6409 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6410 mgmt_pending_remove(cmd);
2faade53
MH		 6411 goto unlock;
6412 }
6413
6659358e
JH		 6414 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
6415 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
6416 list_del(&b->list);
6417 kfree(b);
6418 }
6419
51ef3ebe 6420 __hci_update_page_scan(&req);
a397407f 6421
19de0825
JH		 6422 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
6423 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
6424 continue;
6425 device_removed(sk, hdev, &p->addr, p->addr_type);
679d2b6f
JH		 6426 if (p->explicit_connect) {
6427 p->auto_connect = HCI_AUTO_CONN_EXPLICIT;
6428 continue;
6429 }
19de0825
JH		 6430 list_del(&p->action);
6431 list_del(&p->list);
6432 kfree(p);
6433 }
6434
6435 BT_DBG("All LE connection parameters were removed");
6436
51ef3ebe 6437 __hci_update_background_scan(&req);
2faade53
MH		 6438 }
6439
6659358e 6440complete:
51ef3ebe
JH		 6441 err = hci_req_run(&req, remove_device_complete);
6442 if (err < 0) {
6443 /* ENODATA means no HCI commands were needed (e.g. if
6444 * the adapter is powered off).
6445 */
9df74653
JH		 6446 if (err == -ENODATA)
6447 err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
51ef3ebe
JH		 6448 mgmt_pending_remove(cmd);
6449 }
2faade53
MH		 6450
6451unlock:
6452 hci_dev_unlock(hdev);
6453 return err;
6454}
6455
a26f3dcf
JH		 6456static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
6457 u16 len)
6458{
6459 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 6460 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
6461 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 6462 u16 param_count, expected_len;
6463 int i;
6464
6465 if (!lmp_le_capable(hdev))
a69e8375
JH		 6466 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6467 MGMT_STATUS_NOT_SUPPORTED);
a26f3dcf
JH		 6468
6469 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 6470 if (param_count > max_param_count) {
6471 BT_ERR("load_conn_param: too big param_count value %u",
6472 param_count);
a69e8375
JH		 6473 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6474 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 6475 }
a26f3dcf
JH		 6476
6477 expected_len = sizeof(*cp) + param_count *
6478 sizeof(struct mgmt_conn_param);
6479 if (expected_len != len) {
6480 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
6481 expected_len, len);
a69e8375
JH		 6482 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6483 MGMT_STATUS_INVALID_PARAMS);
a26f3dcf
JH		 6484 }
6485
6486 BT_DBG("%s param_count %u", hdev->name, param_count);
6487
6488 hci_dev_lock(hdev);
6489
6490 hci_conn_params_clear_disabled(hdev);
6491
6492 for (i = 0; i < param_count; i++) {
6493 struct mgmt_conn_param *param = &cp->params[i];
6494 struct hci_conn_params *hci_param;
6495 u16 min, max, latency, timeout;
6496 u8 addr_type;
6497
6498 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
6499 param->addr.type);
6500
6501 if (param->addr.type == BDADDR_LE_PUBLIC) {
6502 addr_type = ADDR_LE_DEV_PUBLIC;
6503 } else if (param->addr.type == BDADDR_LE_RANDOM) {
6504 addr_type = ADDR_LE_DEV_RANDOM;
6505 } else {
6506 BT_ERR("Ignoring invalid connection parameters");
6507 continue;
6508 }
6509
6510 min = le16_to_cpu(param->min_interval);
6511 max = le16_to_cpu(param->max_interval);
6512 latency = le16_to_cpu(param->latency);
6513 timeout = le16_to_cpu(param->timeout);
6514
6515 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
6516 min, max, latency, timeout);
6517
6518 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
6519 BT_ERR("Ignoring invalid connection parameters");
6520 continue;
6521 }
6522
6523 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
6524 addr_type);
6525 if (!hci_param) {
6526 BT_ERR("Failed to add connection parameters");
6527 continue;
6528 }
6529
6530 hci_param->conn_min_interval = min;
6531 hci_param->conn_max_interval = max;
6532 hci_param->conn_latency = latency;
6533 hci_param->supervision_timeout = timeout;
6534 }
6535
6536 hci_dev_unlock(hdev);
6537
2a1afb5a
JH		 6538 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0,
6539 NULL, 0);
a26f3dcf
JH		 6540}
6541
dbece37a
MH		 6542static int set_external_config(struct sock *sk, struct hci_dev *hdev,
6543 void *data, u16 len)
6544{
6545 struct mgmt_cp_set_external_config *cp = data;
6546 bool changed;
6547 int err;
6548
6549 BT_DBG("%s", hdev->name);
6550
6551 if (hdev_is_powered(hdev))
a69e8375
JH		 6552 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6553 MGMT_STATUS_REJECTED);
dbece37a
MH		 6554
6555 if (cp->config != 0x00 && cp->config != 0x01)
a69e8375
JH		 6556 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6557 MGMT_STATUS_INVALID_PARAMS);
dbece37a
MH		 6558
6559 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
a69e8375
JH		 6560 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6561 MGMT_STATUS_NOT_SUPPORTED);
dbece37a
MH		 6562
6563 hci_dev_lock(hdev);
6564
6565 if (cp->config)
238be788 6566 changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a 6567 else
a69d8927 6568 changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a
MH		 6569
6570 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
6571 if (err < 0)
6572 goto unlock;
6573
6574 if (!changed)
6575 goto unlock;
6576
f4537c04
MH		 6577 err = new_options(hdev, sk);
6578
d7a5a11d 6579 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
dbece37a 6580 mgmt_index_removed(hdev);
d603b76b 6581
516018a9 6582 if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
a1536da2
MH		 6583 hci_dev_set_flag(hdev, HCI_CONFIG);
6584 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
d603b76b
MH		 6585
6586 queue_work(hdev->req_workqueue, &hdev->power_on);
6587 } else {
5ea234d3 6588 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 6589 mgmt_index_added(hdev);
6590 }
dbece37a
MH		 6591 }
6592
6593unlock:
6594 hci_dev_unlock(hdev);
6595 return err;
6596}
6597
9713c17b
MH		 6598static int set_public_address(struct sock *sk, struct hci_dev *hdev,
6599 void *data, u16 len)
6600{
6601 struct mgmt_cp_set_public_address *cp = data;
6602 bool changed;
6603 int err;
6604
6605 BT_DBG("%s", hdev->name);
6606
6607 if (hdev_is_powered(hdev))
a69e8375
JH		 6608 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6609 MGMT_STATUS_REJECTED);
9713c17b
MH		 6610
6611 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
a69e8375
JH		 6612 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6613 MGMT_STATUS_INVALID_PARAMS);
9713c17b
MH		 6614
6615 if (!hdev->set_bdaddr)
a69e8375
JH		 6616 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6617 MGMT_STATUS_NOT_SUPPORTED);
9713c17b
MH		 6618
6619 hci_dev_lock(hdev);
6620
6621 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
6622 bacpy(&hdev->public_addr, &cp->bdaddr);
6623
6624 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
6625 if (err < 0)
6626 goto unlock;
6627
6628 if (!changed)
6629 goto unlock;
6630
d7a5a11d 6631 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
9713c17b
MH		 6632 err = new_options(hdev, sk);
6633
6634 if (is_configured(hdev)) {
6635 mgmt_index_removed(hdev);
6636
a358dc11 6637 hci_dev_clear_flag(hdev, HCI_UNCONFIGURED);
9713c17b 6638
a1536da2
MH		 6639 hci_dev_set_flag(hdev, HCI_CONFIG);
6640 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
9713c17b
MH		 6641
6642 queue_work(hdev->req_workqueue, &hdev->power_on);
6643 }
6644
6645unlock:
6646 hci_dev_unlock(hdev);
6647 return err;
6648}
6649
bea41609
MH		 6650static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6651 u8 data_len)
6652{
6653 eir[eir_len++] = sizeof(type) + data_len;
6654 eir[eir_len++] = type;
6655 memcpy(&eir[eir_len], data, data_len);
6656 eir_len += data_len;
6657
6658 return eir_len;
6659}
6660
40f66c05
JH		 6661static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
6662 u16 opcode, struct sk_buff *skb)
6663{
6664 const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
6665 struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
6666 u8 *h192, *r192, *h256, *r256;
6667 struct mgmt_pending_cmd *cmd;
6668 u16 eir_len;
6669 int err;
6670
6671 BT_DBG("%s status %u", hdev->name, status);
6672
6673 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
6674 if (!cmd)
6675 return;
6676
6677 mgmt_cp = cmd->param;
6678
6679 if (status) {
6680 status = mgmt_status(status);
6681 eir_len = 0;
6682
6683 h192 = NULL;
6684 r192 = NULL;
6685 h256 = NULL;
6686 r256 = NULL;
6687 } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
6688 struct hci_rp_read_local_oob_data *rp;
6689
6690 if (skb->len != sizeof(*rp)) {
6691 status = MGMT_STATUS_FAILED;
6692 eir_len = 0;
6693 } else {
6694 status = MGMT_STATUS_SUCCESS;
6695 rp = (void *)skb->data;
6696
6697 eir_len = 5 + 18 + 18;
6698 h192 = rp->hash;
6699 r192 = rp->rand;
6700 h256 = NULL;
6701 r256 = NULL;
6702 }
6703 } else {
6704 struct hci_rp_read_local_oob_ext_data *rp;
6705
6706 if (skb->len != sizeof(*rp)) {
6707 status = MGMT_STATUS_FAILED;
6708 eir_len = 0;
6709 } else {
6710 status = MGMT_STATUS_SUCCESS;
6711 rp = (void *)skb->data;
6712
6713 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
6714 eir_len = 5 + 18 + 18;
6715 h192 = NULL;
6716 r192 = NULL;
6717 } else {
6718 eir_len = 5 + 18 + 18 + 18 + 18;
6719 h192 = rp->hash192;
6720 r192 = rp->rand192;
6721 }
6722
6723 h256 = rp->hash256;
6724 r256 = rp->rand256;
6725 }
6726 }
6727
6728 mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL);
6729 if (!mgmt_rp)
6730 goto done;
6731
6732 if (status)
6733 goto send_rsp;
6734
6735 eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV,
6736 hdev->dev_class, 3);
6737
6738 if (h192 && r192) {
6739 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6740 EIR_SSP_HASH_C192, h192, 16);
6741 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6742 EIR_SSP_RAND_R192, r192, 16);
6743 }
6744
6745 if (h256 && r256) {
6746 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6747 EIR_SSP_HASH_C256, h256, 16);
6748 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6749 EIR_SSP_RAND_R256, r256, 16);
6750 }
6751
6752send_rsp:
6753 mgmt_rp->type = mgmt_cp->type;
6754 mgmt_rp->eir_len = cpu_to_le16(eir_len);
6755
6756 err = mgmt_cmd_complete(cmd->sk, hdev->id,
6757 MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status,
6758 mgmt_rp, sizeof(*mgmt_rp) + eir_len);
6759 if (err < 0 || status)
6760 goto done;
6761
6762 hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS);
6763
6764 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6765 mgmt_rp, sizeof(*mgmt_rp) + eir_len,
6766 HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
6767done:
6768 kfree(mgmt_rp);
6769 mgmt_pending_remove(cmd);
6770}
6771
6772static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
6773 struct mgmt_cp_read_local_oob_ext_data *cp)
6774{
6775 struct mgmt_pending_cmd *cmd;
6776 struct hci_request req;
6777 int err;
6778
6779 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
6780 cp, sizeof(*cp));
6781 if (!cmd)
6782 return -ENOMEM;
6783
6784 hci_req_init(&req, hdev);
6785
6786 if (bredr_sc_enabled(hdev))
6787 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
6788 else
6789 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
6790
6791 err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
6792 if (err < 0) {
6793 mgmt_pending_remove(cmd);
6794 return err;
6795 }
6796
6797 return 0;
6798}
6799
4f0f155c
MH		 6800static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
6801 void *data, u16 data_len)
6802{
6803 struct mgmt_cp_read_local_oob_ext_data *cp = data;
6804 struct mgmt_rp_read_local_oob_ext_data *rp;
6805 size_t rp_len;
6806 u16 eir_len;
0821a2c5 6807 u8 status, flags, role, addr[7], hash[16], rand[16];
4f0f155c
MH		 6808 int err;
6809
6810 BT_DBG("%s", hdev->name);
6811
57b0d3e8
MH		 6812 if (hdev_is_powered(hdev)) {
6813 switch (cp->type) {
6814 case BIT(BDADDR_BREDR):
6815 status = mgmt_bredr_support(hdev);
6816 if (status)
6817 eir_len = 0;
6818 else
6819 eir_len = 5;
6820 break;
6821 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
6822 status = mgmt_le_support(hdev);
6823 if (status)
6824 eir_len = 0;
6825 else
6826 eir_len = 9 + 3 + 18 + 18 + 3;
6827 break;
6828 default:
6829 status = MGMT_STATUS_INVALID_PARAMS;
6830 eir_len = 0;
6831 break;
6832 }
6833 } else {
6834 status = MGMT_STATUS_NOT_POWERED;
6835 eir_len = 0;
4f0f155c
MH		 6836 }
6837
4f0f155c
MH		 6838 rp_len = sizeof(*rp) + eir_len;
6839 rp = kmalloc(rp_len, GFP_ATOMIC);
efcd8c98 6840 if (!rp)
4f0f155c 6841 return -ENOMEM;
efcd8c98 6842
57b0d3e8
MH		 6843 if (status)
6844 goto complete;
6845
efcd8c98 6846 hci_dev_lock(hdev);
4f0f155c
MH		 6847
6848 eir_len = 0;
6849 switch (cp->type) {
6850 case BIT(BDADDR_BREDR):
40f66c05
JH		 6851 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
6852 err = read_local_ssp_oob_req(hdev, sk, cp);
6853 hci_dev_unlock(hdev);
6854 if (!err)
6855 goto done;
6856
6857 status = MGMT_STATUS_FAILED;
6858 goto complete;
6859 } else {
6860 eir_len = eir_append_data(rp->eir, eir_len,
6861 EIR_CLASS_OF_DEV,
6862 hdev->dev_class, 3);
6863 }
4f0f155c
MH		 6864 break;
6865 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
5082a599
MH		 6866 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
6867 smp_generate_oob(hdev, hash, rand) < 0) {
0821a2c5 6868 hci_dev_unlock(hdev);
57b0d3e8
MH		 6869 status = MGMT_STATUS_FAILED;
6870 goto complete;
0821a2c5
MH		 6871 }
6872
e213568a
MH		 6873 /* This should return the active RPA, but since the RPA
6874 * is only programmed on demand, it is really hard to fill
6875 * this in at the moment. For now disallow retrieving
6876 * local out-of-band data when privacy is in use.
6877 *
6878 * Returning the identity address will not help here since
6879 * pairing happens before the identity resolving key is
6880 * known and thus the connection establishment happens
6881 * based on the RPA and not the identity address.
6882 */
4f0f155c 6883 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
e213568a
MH		 6884 hci_dev_unlock(hdev);
6885 status = MGMT_STATUS_REJECTED;
6886 goto complete;
6887 }
6888
6889 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
6890 !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
6891 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
6892 bacmp(&hdev->static_addr, BDADDR_ANY))) {
4f0f155c
MH		 6893 memcpy(addr, &hdev->static_addr, 6);
6894 addr[6] = 0x01;
6895 } else {
6896 memcpy(addr, &hdev->bdaddr, 6);
6897 addr[6] = 0x00;
6898 }
6899
6900 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR,
6901 addr, sizeof(addr));
6902
6903 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
6904 role = 0x02;
6905 else
6906 role = 0x01;
6907
6908 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE,
6909 &role, sizeof(role));
6910
5082a599
MH		 6911 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) {
6912 eir_len = eir_append_data(rp->eir, eir_len,
6913 EIR_LE_SC_CONFIRM,
6914 hash, sizeof(hash));
0821a2c5 6915
5082a599
MH		 6916 eir_len = eir_append_data(rp->eir, eir_len,
6917 EIR_LE_SC_RANDOM,
6918 rand, sizeof(rand));
6919 }
0821a2c5 6920
4f0f155c
MH		 6921 flags = get_adv_discov_flags(hdev);
6922
6923 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
6924 flags |= LE_AD_NO_BREDR;
6925
6926 eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS,
6927 &flags, sizeof(flags));
6928 break;
6929 }
6930
4f0f155c
MH		 6931 hci_dev_unlock(hdev);
6932
72000df2
MH		 6933 hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
6934
57b0d3e8
MH		 6935 status = MGMT_STATUS_SUCCESS;
6936
6937complete:
efcd8c98
MH		 6938 rp->type = cp->type;
6939 rp->eir_len = cpu_to_le16(eir_len);
6940
4f0f155c 6941 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
57b0d3e8
MH		 6942 status, rp, sizeof(*rp) + eir_len);
6943 if (err < 0 || status)
72000df2
MH		 6944 goto done;
6945
6946 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6947 rp, sizeof(*rp) + eir_len,
6948 HCI_MGMT_OOB_DATA_EVENTS, sk);
4f0f155c 6949
0821a2c5 6950done:
4f0f155c
MH		 6951 kfree(rp);
6952
6953 return err;
6954}
6955
089fa8c0
AU		 6956static u32 get_supported_adv_flags(struct hci_dev *hdev)
6957{
6958 u32 flags = 0;
6959
6960 flags |= MGMT_ADV_FLAG_CONNECTABLE;
6961 flags |= MGMT_ADV_FLAG_DISCOV;
6962 flags |= MGMT_ADV_FLAG_LIMITED_DISCOV;
6963 flags |= MGMT_ADV_FLAG_MANAGED_FLAGS;
6964
6965 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID)
6966 flags |= MGMT_ADV_FLAG_TX_POWER;
6967
6968 return flags;
6969}
6970
d3d5305b
MH		 6971static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
6972 void *data, u16 data_len)
6973{
6974 struct mgmt_rp_read_adv_features *rp;
6975 size_t rp_len;
286e0c83 6976 int err, i;
24b4f38f 6977 bool instance;
286e0c83 6978 struct adv_info *adv_instance;
089fa8c0 6979 u32 supported_flags;
d3d5305b
MH		 6980
6981 BT_DBG("%s", hdev->name);
6982
089fa8c0
AU		 6983 if (!lmp_le_capable(hdev))
6984 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
6985 MGMT_STATUS_REJECTED);
6986
d3d5305b
MH		 6987 hci_dev_lock(hdev);
6988
6989 rp_len = sizeof(*rp);
24b4f38f 6990
24b4f38f
AU		 6991 instance = hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE);
6992 if (instance)
286e0c83 6993 rp_len += hdev->adv_instance_cnt;
24b4f38f 6994
d3d5305b
MH		 6995 rp = kmalloc(rp_len, GFP_ATOMIC);
6996 if (!rp) {
6997 hci_dev_unlock(hdev);
6998 return -ENOMEM;
6999 }
7000
089fa8c0
AU		 7001 supported_flags = get_supported_adv_flags(hdev);
7002
7003 rp->supported_flags = cpu_to_le32(supported_flags);
dc5d82a9
MH		 7004 rp->max_adv_data_len = HCI_MAX_AD_LENGTH;
7005 rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH;
d2609b34 7006 rp->max_instances = HCI_MAX_ADV_INSTANCES;
24b4f38f 7007
24b4f38f 7008 if (instance) {
286e0c83
FG		 7009 i = 0;
7010 list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
7011 if (i >= hdev->adv_instance_cnt)
7012 break;
7013
7014 rp->instance[i] = adv_instance->instance;
7015 i++;
7016 }
7017 rp->num_instances = hdev->adv_instance_cnt;
24b4f38f
AU		 7018 } else {
7019 rp->num_instances = 0;
7020 }
d3d5305b
MH		 7021
7022 hci_dev_unlock(hdev);
7023
7024 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
7025 MGMT_STATUS_SUCCESS, rp, rp_len);
7026
7027 kfree(rp);
7028
7029 return err;
7030}
7031
4117ed70 7032static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
b44133ff 7033 u8 len, bool is_adv_data)
24b4f38f 7034{
4117ed70 7035 u8 max_len = HCI_MAX_AD_LENGTH;
24b4f38f 7036 int i, cur_len;
b44133ff 7037 bool flags_managed = false;
5507e358 7038 bool tx_power_managed = false;
67e0c0cd
AU		 7039 u32 flags_params = MGMT_ADV_FLAG_DISCOV | MGMT_ADV_FLAG_LIMITED_DISCOV |
7040 MGMT_ADV_FLAG_MANAGED_FLAGS;
24b4f38f 7041
807ec772 7042 if (is_adv_data && (adv_flags & flags_params)) {
b44133ff
AU		 7043 flags_managed = true;
7044 max_len -= 3;
7045 }
24b4f38f 7046
5507e358
AU		 7047 if (is_adv_data && (adv_flags & MGMT_ADV_FLAG_TX_POWER)) {
7048 tx_power_managed = true;
7049 max_len -= 3;
7050 }
7051
4117ed70 7052 if (len > max_len)
24b4f38f
AU		 7053 return false;
7054
4117ed70
AU		 7055 /* Make sure that the data is correctly formatted. */
7056 for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) {
7057 cur_len = data[i];
24b4f38f 7058
b44133ff
AU		 7059 if (flags_managed && data[i + 1] == EIR_FLAGS)
7060 return false;
7061
5507e358
AU		 7062 if (tx_power_managed && data[i + 1] == EIR_TX_POWER)
7063 return false;
7064
24b4f38f
AU		 7065 /* If the current field length would exceed the total data
7066 * length, then it's invalid.
7067 */
4117ed70 7068 if (i + cur_len >= len)
24b4f38f
AU		 7069 return false;
7070 }
7071
7072 return true;
7073}
7074
24b4f38f
AU		 7075static void add_advertising_complete(struct hci_dev *hdev, u8 status,
7076 u16 opcode)
7077{
7078 struct mgmt_pending_cmd *cmd;
fffd38bc 7079 struct mgmt_cp_add_advertising *cp;
24b4f38f 7080 struct mgmt_rp_add_advertising rp;
fffd38bc
FG		 7081 struct adv_info *adv_instance, *n;
7082 u8 instance;
24b4f38f
AU		 7083
7084 BT_DBG("status %d", status);
7085
7086 hci_dev_lock(hdev);
7087
7088 cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
7089
fffd38bc 7090 if (status)
24b4f38f 7091 hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
fffd38bc
FG		 7092
7093 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
7094 if (!adv_instance->pending)
7095 continue;
7096
7097 if (!status) {
7098 adv_instance->pending = false;
7099 continue;
7100 }
7101
7102 instance = adv_instance->instance;
7103
7104 if (hdev->cur_adv_instance == instance)
7105 cancel_adv_timeout(hdev);
7106
7107 hci_remove_adv_instance(hdev, instance);
7108 advertising_removed(cmd ? cmd->sk : NULL, hdev, instance);
24b4f38f
AU		 7109 }
7110
7111 if (!cmd)
7112 goto unlock;
7113
fffd38bc
FG		 7114 cp = cmd->param;
7115 rp.instance = cp->instance;
24b4f38f
AU		 7116
7117 if (status)
7118 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
7119 mgmt_status(status));
7120 else
7121 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
7122 mgmt_status(status), &rp, sizeof(rp));
7123
7124 mgmt_pending_remove(cmd);
7125
7126unlock:
7127 hci_dev_unlock(hdev);
7128}
7129
5d900e46 7130void mgmt_adv_timeout_expired(struct hci_dev *hdev)
912098a6 7131{
847818d9
FG		 7132 u8 instance;
7133 struct hci_request req;
7134
5d900e46 7135 hdev->adv_instance_timeout = 0;
912098a6 7136
847818d9
FG		 7137 instance = get_current_adv_instance(hdev);
7138 if (instance == 0x00)
7139 return;
7140
912098a6 7141 hci_dev_lock(hdev);
847818d9
FG		 7142 hci_req_init(&req, hdev);
7143
7144 clear_adv_instance(hdev, &req, instance, false);
7145
7146 if (list_empty(&hdev->adv_instances))
7147 disable_advertising(&req);
7148
7149 if (!skb_queue_empty(&req.cmd_q))
7150 hci_req_run(&req, NULL);
7151
912098a6
AU		 7152 hci_dev_unlock(hdev);
7153}
7154
24b4f38f
AU		 7155static int add_advertising(struct sock *sk, struct hci_dev *hdev,
7156 void *data, u16 data_len)
7157{
7158 struct mgmt_cp_add_advertising *cp = data;
7159 struct mgmt_rp_add_advertising rp;
7160 u32 flags;
089fa8c0 7161 u32 supported_flags;
24b4f38f 7162 u8 status;
fffd38bc
FG		 7163 u16 timeout, duration;
7164 unsigned int prev_instance_cnt = hdev->adv_instance_cnt;
7165 u8 schedule_instance = 0;
7166 struct adv_info *next_instance;
24b4f38f
AU		 7167 int err;
7168 struct mgmt_pending_cmd *cmd;
7169 struct hci_request req;
7170
7171 BT_DBG("%s", hdev->name);
7172
7173 status = mgmt_le_support(hdev);
7174 if (status)
7175 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7176 status);
7177
7178 flags = __le32_to_cpu(cp->flags);
912098a6 7179 timeout = __le16_to_cpu(cp->timeout);
fffd38bc 7180 duration = __le16_to_cpu(cp->duration);
24b4f38f 7181
fffd38bc
FG		 7182 /* The current implementation only supports a subset of the specified
7183 * flags.
089fa8c0
AU		 7184 */
7185 supported_flags = get_supported_adv_flags(hdev);
fffd38bc 7186 if (flags & ~supported_flags)
24b4f38f
AU		 7187 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7188 MGMT_STATUS_INVALID_PARAMS);
7189
7190 hci_dev_lock(hdev);
7191
912098a6
AU		 7192 if (timeout && !hdev_is_powered(hdev)) {
7193 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7194 MGMT_STATUS_REJECTED);
7195 goto unlock;
7196 }
7197
24b4f38f 7198 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
da929335 7199 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
24b4f38f
AU		 7200 pending_find(MGMT_OP_SET_LE, hdev)) {
7201 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7202 MGMT_STATUS_BUSY);
7203 goto unlock;
7204 }
7205
b44133ff 7206 if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) ||
4117ed70 7207 !tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len,
b44133ff 7208 cp->scan_rsp_len, false)) {
24b4f38f
AU		 7209 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7210 MGMT_STATUS_INVALID_PARAMS);
7211 goto unlock;
7212 }
7213
fffd38bc
FG		 7214 err = hci_add_adv_instance(hdev, cp->instance, flags,
7215 cp->adv_data_len, cp->data,
7216 cp->scan_rsp_len,
7217 cp->data + cp->adv_data_len,
7218 timeout, duration);
7219 if (err < 0) {
7220 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7221 MGMT_STATUS_FAILED);
7222 goto unlock;
7223 }
24b4f38f 7224
fffd38bc
FG		 7225 /* Only trigger an advertising added event if a new instance was
7226 * actually added.
7227 */
7228 if (hdev->adv_instance_cnt > prev_instance_cnt)
7229 advertising_added(sk, hdev, cp->instance);
912098a6 7230
fffd38bc 7231 hci_dev_set_flag(hdev, HCI_ADVERTISING_INSTANCE);
912098a6 7232
fffd38bc
FG		 7233 if (hdev->cur_adv_instance == cp->instance) {
7234 /* If the currently advertised instance is being changed then
7235 * cancel the current advertising and schedule the next
7236 * instance. If there is only one instance then the overridden
7237 * advertising data will be visible right away.
7238 */
7239 cancel_adv_timeout(hdev);
912098a6 7240
fffd38bc
FG		 7241 next_instance = hci_get_next_instance(hdev, cp->instance);
7242 if (next_instance)
7243 schedule_instance = next_instance->instance;
7244 } else if (!hdev->adv_instance_timeout) {
7245 /* Immediately advertise the new instance if no other
7246 * instance is currently being advertised.
7247 */
7248 schedule_instance = cp->instance;
7249 }
24b4f38f 7250
fffd38bc
FG		 7251 /* If the HCI_ADVERTISING flag is set or the device isn't powered or
7252 * there is no instance to be advertised then we have no HCI
7253 * communication to make. Simply return.
24b4f38f
AU		 7254 */
7255 if (!hdev_is_powered(hdev) ||
fffd38bc
FG		 7256 hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7257 !schedule_instance) {
7258 rp.instance = cp->instance;
24b4f38f
AU		 7259 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7260 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7261 goto unlock;
7262 }
7263
7264 /* We're good to go, update advertising data, parameters, and start
7265 * advertising.
7266 */
7267 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
7268 data_len);
7269 if (!cmd) {
7270 err = -ENOMEM;
7271 goto unlock;
7272 }
7273
7274 hci_req_init(&req, hdev);
7275
fffd38bc
FG		 7276 err = schedule_adv_instance(&req, schedule_instance, true);
7277
7278 if (!err)
7279 err = hci_req_run(&req, add_advertising_complete);
24b4f38f 7280
24b4f38f
AU		 7281 if (err < 0)
7282 mgmt_pending_remove(cmd);
7283
7284unlock:
7285 hci_dev_unlock(hdev);
7286
7287 return err;
7288}
7289
da929335
AU		 7290static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
7291 u16 opcode)
7292{
7293 struct mgmt_pending_cmd *cmd;
01948331 7294 struct mgmt_cp_remove_advertising *cp;
da929335
AU		 7295 struct mgmt_rp_remove_advertising rp;
7296
7297 BT_DBG("status %d", status);
7298
7299 hci_dev_lock(hdev);
7300
7301 /* A failure status here only means that we failed to disable
7302 * advertising. Otherwise, the advertising instance has been removed,
7303 * so report success.
7304 */
7305 cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
7306 if (!cmd)
7307 goto unlock;
7308
01948331
FG		 7309 cp = cmd->param;
7310 rp.instance = cp->instance;
da929335
AU		 7311
7312 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
7313 &rp, sizeof(rp));
7314 mgmt_pending_remove(cmd);
7315
7316unlock:
7317 hci_dev_unlock(hdev);
7318}
7319
7320static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
7321 void *data, u16 data_len)
7322{
7323 struct mgmt_cp_remove_advertising *cp = data;
7324 struct mgmt_rp_remove_advertising rp;
da929335
AU		 7325 struct mgmt_pending_cmd *cmd;
7326 struct hci_request req;
952497b1 7327 int err;
da929335
AU		 7328
7329 BT_DBG("%s", hdev->name);
7330
da929335
AU		 7331 hci_dev_lock(hdev);
7332
952497b1 7333 if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
01948331
FG		 7334 err = mgmt_cmd_status(sk, hdev->id,
7335 MGMT_OP_REMOVE_ADVERTISING,
7336 MGMT_STATUS_INVALID_PARAMS);
7337 goto unlock;
7338 }
7339
da929335
AU		 7340 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
7341 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
7342 pending_find(MGMT_OP_SET_LE, hdev)) {
7343 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7344 MGMT_STATUS_BUSY);
7345 goto unlock;
7346 }
7347
7348 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE)) {
7349 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7350 MGMT_STATUS_INVALID_PARAMS);
7351 goto unlock;
7352 }
7353
01948331 7354 hci_req_init(&req, hdev);
da929335 7355
01948331 7356 clear_adv_instance(hdev, &req, cp->instance, true);
da929335 7357
01948331
FG		 7358 if (list_empty(&hdev->adv_instances))
7359 disable_advertising(&req);
da929335 7360
01948331
FG		 7361 /* If no HCI commands have been collected so far or the HCI_ADVERTISING
7362 * flag is set or the device isn't powered then we have no HCI
7363 * communication to make. Simply return.
da929335 7364 */
01948331
FG		 7365 if (skb_queue_empty(&req.cmd_q) ||
7366 !hdev_is_powered(hdev) ||
da929335 7367 hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
01948331 7368 rp.instance = cp->instance;
da929335
AU		 7369 err = mgmt_cmd_complete(sk, hdev->id,
7370 MGMT_OP_REMOVE_ADVERTISING,
7371 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7372 goto unlock;
7373 }
7374
7375 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
7376 data_len);
7377 if (!cmd) {
7378 err = -ENOMEM;
7379 goto unlock;
7380 }
7381
da929335
AU		 7382 err = hci_req_run(&req, remove_advertising_complete);
7383 if (err < 0)
7384 mgmt_pending_remove(cmd);
7385
7386unlock:
7387 hci_dev_unlock(hdev);
7388
7389 return err;
7390}
7391
6d785aa3 7392static const struct hci_mgmt_handler mgmt_handlers[] = {
0f4e68cf 7393 { NULL }, /* 0x0000 (no command) */
b9a245fb 7394 { read_version, MGMT_READ_VERSION_SIZE,
c91041dc
MH		 7395 HCI_MGMT_NO_HDEV |
7396 HCI_MGMT_UNTRUSTED },
b9a245fb 7397 { read_commands, MGMT_READ_COMMANDS_SIZE,
c91041dc
MH		 7398 HCI_MGMT_NO_HDEV |
7399 HCI_MGMT_UNTRUSTED },
b9a245fb 7400 { read_index_list, MGMT_READ_INDEX_LIST_SIZE,
c91041dc
MH		 7401 HCI_MGMT_NO_HDEV |
7402 HCI_MGMT_UNTRUSTED },
7403 { read_controller_info, MGMT_READ_INFO_SIZE,
7404 HCI_MGMT_UNTRUSTED },
7aea8616
MH		 7405 { set_powered, MGMT_SETTING_SIZE },
7406 { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE },
7407 { set_connectable, MGMT_SETTING_SIZE },
7408 { set_fast_connectable, MGMT_SETTING_SIZE },
7409 { set_bondable, MGMT_SETTING_SIZE },
7410 { set_link_security, MGMT_SETTING_SIZE },
7411 { set_ssp, MGMT_SETTING_SIZE },
7412 { set_hs, MGMT_SETTING_SIZE },
7413 { set_le, MGMT_SETTING_SIZE },
7414 { set_dev_class, MGMT_SET_DEV_CLASS_SIZE },
7415 { set_local_name, MGMT_SET_LOCAL_NAME_SIZE },
7416 { add_uuid, MGMT_ADD_UUID_SIZE },
7417 { remove_uuid, MGMT_REMOVE_UUID_SIZE },
b9a245fb
JH		 7418 { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE,
7419 HCI_MGMT_VAR_LEN },
7420 { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE,
7421 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7422 { disconnect, MGMT_DISCONNECT_SIZE },
7423 { get_connections, MGMT_GET_CONNECTIONS_SIZE },
7424 { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE },
7425 { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE },
7426 { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE },
7427 { pair_device, MGMT_PAIR_DEVICE_SIZE },
7428 { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE },
7429 { unpair_device, MGMT_UNPAIR_DEVICE_SIZE },
7430 { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE },
7431 { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
7432 { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE },
7433 { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
b9a245fb
JH		 7434 { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE },
7435 { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE,
7436 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7437 { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
7438 { start_discovery, MGMT_START_DISCOVERY_SIZE },
7439 { stop_discovery, MGMT_STOP_DISCOVERY_SIZE },
7440 { confirm_name, MGMT_CONFIRM_NAME_SIZE },
7441 { block_device, MGMT_BLOCK_DEVICE_SIZE },
7442 { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE },
7443 { set_device_id, MGMT_SET_DEVICE_ID_SIZE },
7444 { set_advertising, MGMT_SETTING_SIZE },
7445 { set_bredr, MGMT_SETTING_SIZE },
7446 { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE },
7447 { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE },
7448 { set_secure_conn, MGMT_SETTING_SIZE },
7449 { set_debug_keys, MGMT_SETTING_SIZE },
7450 { set_privacy, MGMT_SET_PRIVACY_SIZE },
b9a245fb
JH		 7451 { load_irks, MGMT_LOAD_IRKS_SIZE,
7452 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7453 { get_conn_info, MGMT_GET_CONN_INFO_SIZE },
7454 { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE },
7455 { add_device, MGMT_ADD_DEVICE_SIZE },
7456 { remove_device, MGMT_REMOVE_DEVICE_SIZE },
b9a245fb
JH		 7457 { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE,
7458 HCI_MGMT_VAR_LEN },
7459 { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE,
c91041dc
MH		 7460 HCI_MGMT_NO_HDEV |
7461 HCI_MGMT_UNTRUSTED },
b9a245fb 7462 { read_config_info, MGMT_READ_CONFIG_INFO_SIZE,
c91041dc
MH		 7463 HCI_MGMT_UNCONFIGURED |
7464 HCI_MGMT_UNTRUSTED },
b9a245fb
JH		 7465 { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE,
7466 HCI_MGMT_UNCONFIGURED },
7467 { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE,
7468 HCI_MGMT_UNCONFIGURED },
7469 { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE,
7470 HCI_MGMT_VAR_LEN },
4f0f155c 7471 { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE },
96f1474a 7472 { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE,
c91041dc
MH		 7473 HCI_MGMT_NO_HDEV |
7474 HCI_MGMT_UNTRUSTED },
d3d5305b 7475 { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE },
24b4f38f
AU		 7476 { add_advertising, MGMT_ADD_ADVERTISING_SIZE,
7477 HCI_MGMT_VAR_LEN },
da929335 7478 { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
0f4e68cf
JH		 7479};
7480
bf6b56db 7481void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 7482{
ced85549 7483 struct mgmt_ev_ext_index ev;
bb4b2a9a 7484
0602a8ad
MH		 7485 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7486 return;
7487
f9207338
MH		 7488 switch (hdev->dev_type) {
7489 case HCI_BREDR:
7490 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7491 mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
7492 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 7493 ev.type = 0x01;
f9207338
MH		 7494 } else {
7495 mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
7496 HCI_MGMT_INDEX_EVENTS);
ced85549 7497 ev.type = 0x00;
f9207338
MH		 7498 }
7499 break;
ced85549
MH		 7500 case HCI_AMP:
7501 ev.type = 0x02;
7502 break;
7503 default:
7504 return;
f9207338 7505 }
ced85549
MH		 7506
7507 ev.bus = hdev->bus;
7508
7509 mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev),
7510 HCI_MGMT_EXT_INDEX_EVENTS);
c71e97bf
JH		 7511}
7512
bf6b56db 7513void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 7514{
ced85549 7515 struct mgmt_ev_ext_index ev;
5f159032 7516 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 7517
0602a8ad
MH		 7518 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7519 return;
7520
f9207338
MH		 7521 switch (hdev->dev_type) {
7522 case HCI_BREDR:
7523 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
b24752fe 7524
f9207338
MH		 7525 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7526 mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
7527 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 7528 ev.type = 0x01;
f9207338
MH		 7529 } else {
7530 mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
7531 HCI_MGMT_INDEX_EVENTS);
ced85549 7532 ev.type = 0x00;
f9207338
MH		 7533 }
7534 break;
ced85549
MH		 7535 case HCI_AMP:
7536 ev.type = 0x02;
7537 break;
7538 default:
7539 return;
f9207338 7540 }
ced85549
MH		 7541
7542 ev.bus = hdev->bus;
7543
7544 mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev),
7545 HCI_MGMT_EXT_INDEX_EVENTS);
eec8d2bc
JH		 7546}
7547
6046dc3e 7548/* This function requires the caller holds hdev->lock */
2cf22218 7549static void restart_le_actions(struct hci_request *req)
6046dc3e 7550{
2cf22218 7551 struct hci_dev *hdev = req->hdev;
6046dc3e
AG		 7552 struct hci_conn_params *p;
7553
7554 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 7555 /* Needed for AUTO_OFF case where might not "really"
7556 * have been powered off.
7557 */
7558 list_del_init(&p->action);
7559
7560 switch (p->auto_connect) {
4b9e7e75 7561 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 7562 case HCI_AUTO_CONN_ALWAYS:
7563 list_add(&p->action, &hdev->pend_le_conns);
7564 break;
7565 case HCI_AUTO_CONN_REPORT:
7566 list_add(&p->action, &hdev->pend_le_reports);
7567 break;
7568 default:
7569 break;
c83ed19d 7570 }
6046dc3e 7571 }
c83ed19d 7572
2cf22218 7573 __hci_update_background_scan(req);
6046dc3e
AG		 7574}
7575
1904a853 7576static void powered_complete(struct hci_dev *hdev, u8 status, u16 opcode)
229ab39c
JH		 7577{
7578 struct cmd_lookup match = { NULL, hdev };
7579
7580 BT_DBG("status 0x%02x", status);
7581
162a3bac
MH		 7582 if (!status) {
7583 /* Register the available SMP channels (BR/EDR and LE) only
7584 * when successfully powering on the controller. This late
7585 * registration is required so that LE SMP can clearly
7586 * decide if the public address or static address is used.
7587 */
7588 smp_register(hdev);
7589 }
7590
229ab39c
JH		 7591 hci_dev_lock(hdev);
7592
7593 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
7594
7595 new_settings(hdev, match.sk);
7596
7597 hci_dev_unlock(hdev);
7598
7599 if (match.sk)
7600 sock_put(match.sk);
7601}
7602
70da6243 7603static int powered_update_hci(struct hci_dev *hdev)
5add6af8 7604{
890ea898 7605 struct hci_request req;
320b3bf7 7606 struct adv_info *adv_instance;
70da6243 7607 u8 link_sec;
5add6af8 7608
890ea898
JH		 7609 hci_req_init(&req, hdev);
7610
d7a5a11d 7611 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
70da6243 7612 !lmp_host_ssp_capable(hdev)) {
574ea3c7 7613 u8 mode = 0x01;
5e5282bb 7614
574ea3c7
MH		 7615 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
7616
7617 if (bredr_sc_enabled(hdev) && !lmp_host_sc_capable(hdev)) {
7618 u8 support = 0x01;
5add6af8 7619
574ea3c7
MH		 7620 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT,
7621 sizeof(support), &support);
7622 }
ec6f99b8
JH		 7623 }
7624
d7a5a11d 7625 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
c73eee91 7626 lmp_bredr_capable(hdev)) {
70da6243 7627 struct hci_cp_write_le_host_supported cp;
f0ff92fb 7628
32226e4f
MH		 7629 cp.le = 0x01;
7630 cp.simul = 0x00;
3d1cbdd6 7631
70da6243
JH		 7632 /* Check first if we already have the right
7633 * host state (host features set)
7634 */
7635 if (cp.le != lmp_host_le_capable(hdev) ||
7636 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 7637 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
7638 sizeof(cp), &cp);
70da6243 7639 }
3d1cbdd6 7640
d13eafce 7641 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 7642 /* Make sure the controller has a good default for
7643 * advertising data. This also applies to the case
7644 * where BR/EDR was toggled during the AUTO_OFF phase.
7645 */
320b3bf7
FG		 7646 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
7647 (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7648 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))) {
5947f4bc 7649 update_adv_data(&req);
f14d8f64
MH		 7650 update_scan_rsp_data(&req);
7651 }
441ad2d0 7652
320b3bf7
FG		 7653 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7654 hdev->cur_adv_instance == 0x00 &&
7655 !list_empty(&hdev->adv_instances)) {
7656 adv_instance = list_first_entry(&hdev->adv_instances,
7657 struct adv_info, list);
7658 hdev->cur_adv_instance = adv_instance->instance;
7659 }
7660
7661 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
bba3aa55 7662 enable_advertising(&req);
320b3bf7
FG		 7663 else if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7664 hdev->cur_adv_instance)
7665 schedule_adv_instance(&req, hdev->cur_adv_instance,
7666 true);
2cf22218
JH		 7667
7668 restart_le_actions(&req);
eeca6f89
JH		 7669 }
7670
d7a5a11d 7671 link_sec = hci_dev_test_flag(hdev, HCI_LINK_SECURITY);
70da6243 7672 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 7673 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
7674 sizeof(link_sec), &link_sec);
562fcc24 7675
70da6243 7676 if (lmp_bredr_capable(hdev)) {
d7a5a11d 7677 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
406ef2a6
JH		 7678 write_fast_connectable(&req, true);
7679 else
7680 write_fast_connectable(&req, false);
1d2dc5b7 7681 __hci_update_page_scan(&req);
890ea898 7682 update_class(&req);
13928971 7683 update_name(&req);
890ea898 7684 update_eir(&req);
70da6243 7685 }
562fcc24 7686
229ab39c 7687 return hci_req_run(&req, powered_complete);
70da6243 7688}
562fcc24 7689
70da6243
JH		 7690int mgmt_powered(struct hci_dev *hdev, u8 powered)
7691{
7692 struct cmd_lookup match = { NULL, hdev };
9845904f 7693 u8 status, zero_cod[] = { 0, 0, 0 };
70da6243 7694 int err;
f0ff92fb 7695
d7a5a11d 7696 if (!hci_dev_test_flag(hdev, HCI_MGMT))
70da6243
JH		 7697 return 0;
7698
70da6243 7699 if (powered) {
229ab39c
JH		 7700 if (powered_update_hci(hdev) == 0)
7701 return 0;
fe038884 7702
229ab39c
JH		 7703 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
7704 &match);
7705 goto new_settings;
b24752fe
JH		 7706 }
7707
229ab39c 7708 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
9845904f
JH		 7709
7710 /* If the power off is because of hdev unregistration let
7711 * use the appropriate INVALID_INDEX status. Otherwise use
7712 * NOT_POWERED. We cover both scenarios here since later in
7713 * mgmt_index_removed() any hci_conn callbacks will have already
7714 * been triggered, potentially causing misleading DISCONNECTED
7715 * status responses.
7716 */
d7a5a11d 7717 if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
9845904f
JH		 7718 status = MGMT_STATUS_INVALID_INDEX;
7719 else
7720 status = MGMT_STATUS_NOT_POWERED;
7721
7722 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
229ab39c
JH		 7723
7724 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
f6b7712e
MH		 7725 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
7726 zero_cod, sizeof(zero_cod), NULL);
229ab39c
JH		 7727
7728new_settings:
beadb2bd 7729 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 7730
7731 if (match.sk)
7732 sock_put(match.sk);
7733
7bb895d6 7734 return err;
5add6af8 7735}
73f22f62 7736
3eec705e 7737void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc 7738{
3b0602cd 7739 struct mgmt_pending_cmd *cmd;
96570ffc
JH		 7740 u8 status;
7741
333ae95d 7742 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
96570ffc 7743 if (!cmd)
3eec705e 7744 return;
96570ffc
JH		 7745
7746 if (err == -ERFKILL)
7747 status = MGMT_STATUS_RFKILLED;
7748 else
7749 status = MGMT_STATUS_FAILED;
7750
a69e8375 7751 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 7752
7753 mgmt_pending_remove(cmd);
96570ffc
JH		 7754}
7755
d1967ff8
MH		 7756void mgmt_discoverable_timeout(struct hci_dev *hdev)
7757{
7758 struct hci_request req;
d1967ff8
MH		 7759
7760 hci_dev_lock(hdev);
7761
7762 /* When discoverable timeout triggers, then just make sure
7763 * the limited discoverable flag is cleared. Even in the case
7764 * of a timeout triggered from general discoverable, it is
7765 * safe to unconditionally clear the flag.
7766 */
a358dc11
MH		 7767 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
7768 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
d1967ff8
MH		 7769
7770 hci_req_init(&req, hdev);
d7a5a11d 7771 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
4b580614
JH		 7772 u8 scan = SCAN_PAGE;
7773 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
7774 sizeof(scan), &scan);
7775 }
d1967ff8 7776 update_class(&req);
24b4f38f
AU		 7777
7778 /* Advertising instances don't use the global discoverable setting, so
7779 * only update AD if advertising was enabled using Set Advertising.
7780 */
7781 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
7782 update_adv_data(&req);
7783
d1967ff8
MH		 7784 hci_req_run(&req, NULL);
7785
7786 hdev->discov_timeout = 0;
7787
9a43e25f
JH		 7788 new_settings(hdev, NULL);
7789
d1967ff8
MH		 7790 hci_dev_unlock(hdev);
7791}
7792
dc4a5ee2
MH		 7793void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
7794 bool persistent)
55ed8ca1 7795{
86742e1e 7796 struct mgmt_ev_new_link_key ev;
55ed8ca1 7797
a492cd52 7798 memset(&ev, 0, sizeof(ev));
55ed8ca1 7799
a492cd52 7800 ev.store_hint = persistent;
d753fdc4 7801 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 7802 ev.key.addr.type = BDADDR_BREDR;
a492cd52 7803 ev.key.type = key->type;
9b3b4460 7804 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 7805 ev.key.pin_len = key->pin_len;
55ed8ca1 7806
dc4a5ee2 7807 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 7808}
f7520543 7809
d7b25450
JH		 7810static u8 mgmt_ltk_type(struct smp_ltk *ltk)
7811{
23fb8de3
JH		 7812 switch (ltk->type) {
7813 case SMP_LTK:
7814 case SMP_LTK_SLAVE:
7815 if (ltk->authenticated)
7816 return MGMT_LTK_AUTHENTICATED;
7817 return MGMT_LTK_UNAUTHENTICATED;
7818 case SMP_LTK_P256:
7819 if (ltk->authenticated)
7820 return MGMT_LTK_P256_AUTH;
7821 return MGMT_LTK_P256_UNAUTH;
7822 case SMP_LTK_P256_DEBUG:
7823 return MGMT_LTK_P256_DEBUG;
7824 }
d7b25450
JH		 7825
7826 return MGMT_LTK_UNAUTHENTICATED;
7827}
7828
53ac6ab6 7829void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 7830{
7831 struct mgmt_ev_new_long_term_key ev;
7832
7833 memset(&ev, 0, sizeof(ev));
7834
5192d301 7835 /* Devices using resolvable or non-resolvable random addresses
f72186d2 7836 * without providing an identity resolving key don't require
5192d301
MH		 7837 * to store long term keys. Their addresses will change the
7838 * next time around.
7839 *
7840 * Only when a remote device provides an identity address
7841 * make sure the long term key is stored. If the remote
7842 * identity is known, the long term keys are internally
7843 * mapped to the identity address. So allow static random
7844 * and public addresses here.
7845 */
ba74b666
JH		 7846 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7847 (key->bdaddr.b[5] & 0xc0) != 0xc0)
7848 ev.store_hint = 0x00;
7849 else
53ac6ab6 7850 ev.store_hint = persistent;
ba74b666 7851
346af67b 7852 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 7853 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 7854 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 7855 ev.key.enc_size = key->enc_size;
7856 ev.key.ediv = key->ediv;
fe39c7b2 7857 ev.key.rand = key->rand;
346af67b 7858
2ceba539 7859 if (key->type == SMP_LTK)
346af67b
VCG		 7860 ev.key.master = 1;
7861
1fc62c52
JH		 7862 /* Make sure we copy only the significant bytes based on the
7863 * encryption key size, and set the rest of the value to zeroes.
7864 */
cb92205b 7865 memcpy(ev.key.val, key->val, key->enc_size);
1fc62c52
JH		 7866 memset(ev.key.val + key->enc_size, 0,
7867 sizeof(ev.key.val) - key->enc_size);
346af67b 7868
083368f7 7869 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 7870}
7871
95fbac8a
JH		 7872void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk)
7873{
7874 struct mgmt_ev_new_irk ev;
7875
7876 memset(&ev, 0, sizeof(ev));
7877
bab6d1e5
MH		 7878 /* For identity resolving keys from devices that are already
7879 * using a public address or static random address, do not
7880 * ask for storing this key. The identity resolving key really
f72186d2 7881 * is only mandatory for devices using resolvable random
bab6d1e5
MH		 7882 * addresses.
7883 *
7884 * Storing all identity resolving keys has the downside that
7885 * they will be also loaded on next boot of they system. More
7886 * identity resolving keys, means more time during scanning is
7887 * needed to actually resolve these addresses.
7888 */
7889 if (bacmp(&irk->rpa, BDADDR_ANY))
7890 ev.store_hint = 0x01;
7891 else
7892 ev.store_hint = 0x00;
7893
95fbac8a
JH		 7894 bacpy(&ev.rpa, &irk->rpa);
7895 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
7896 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
7897 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
7898
7899 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
7900}
7901
53ac6ab6
MH		 7902void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
7903 bool persistent)
7ee4ea36
MH		 7904{
7905 struct mgmt_ev_new_csrk ev;
7906
7907 memset(&ev, 0, sizeof(ev));
7908
7909 /* Devices using resolvable or non-resolvable random addresses
f72186d2 7910 * without providing an identity resolving key don't require
7ee4ea36
MH		 7911 * to store signature resolving keys. Their addresses will change
7912 * the next time around.
7913 *
7914 * Only when a remote device provides an identity address
7915 * make sure the signature resolving key is stored. So allow
7916 * static random and public addresses here.
7917 */
7918 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7919 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
7920 ev.store_hint = 0x00;
7921 else
53ac6ab6 7922 ev.store_hint = persistent;
7ee4ea36
MH		 7923
7924 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
7925 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
4cd3928a 7926 ev.key.type = csrk->type;
7ee4ea36
MH		 7927 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
7928
7929 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
7930}
7931
ffb5a827 7932void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 7933 u8 bdaddr_type, u8 store_hint, u16 min_interval,
7934 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 7935{
7936 struct mgmt_ev_new_conn_param ev;
7937
c103aea6
JH		 7938 if (!hci_is_identity_address(bdaddr, bdaddr_type))
7939 return;
7940
ffb5a827
AG		 7941 memset(&ev, 0, sizeof(ev));
7942 bacpy(&ev.addr.bdaddr, bdaddr);
7943 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 7944 ev.store_hint = store_hint;
ffb5a827
AG		 7945 ev.min_interval = cpu_to_le16(min_interval);
7946 ev.max_interval = cpu_to_le16(max_interval);
7947 ev.latency = cpu_to_le16(latency);
7948 ev.timeout = cpu_to_le16(timeout);
7949
7950 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
7951}
7952
48ec92fa
AA		 7953void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
7954 u32 flags, u8 *name, u8 name_len)
f7520543 7955{
b644ba33
JH		 7956 char buf[512];
7957 struct mgmt_ev_device_connected *ev = (void *) buf;
7958 u16 eir_len = 0;
f7520543 7959
48ec92fa
AA		 7960 bacpy(&ev->addr.bdaddr, &conn->dst);
7961 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
f7520543 7962
c95f0ba7 7963 ev->flags = __cpu_to_le32(flags);
08c79b61 7964
fd45ada9
AA		 7965 /* We must ensure that the EIR Data fields are ordered and
7966 * unique. Keep it simple for now and avoid the problem by not
7967 * adding any BR/EDR data to the LE adv.
7968 */
7969 if (conn->le_adv_data_len > 0) {
7970 memcpy(&ev->eir[eir_len],
7971 conn->le_adv_data, conn->le_adv_data_len);
7972 eir_len = conn->le_adv_data_len;
7973 } else {
7974 if (name_len > 0)
7975 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
7976 name, name_len);
b644ba33 7977
ddbea5cf 7978 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
fd45ada9
AA		 7979 eir_len = eir_append_data(ev->eir, eir_len,
7980 EIR_CLASS_OF_DEV,
7981 conn->dev_class, 3);
7982 }
b644ba33 7983
eb55ef07 7984 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 7985
ecd90ae7
MH		 7986 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
7987 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 7988}
7989
3b0602cd 7990static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data)
8962ee74 7991{
8962ee74 7992 struct sock **sk = data;
8962ee74 7993
f5818c22 7994 cmd->cmd_complete(cmd, 0);
8962ee74
JH		 7995
7996 *sk = cmd->sk;
7997 sock_hold(*sk);
7998
a664b5bc 7999 mgmt_pending_remove(cmd);
8962ee74
JH		 8000}
8001
3b0602cd 8002static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data)
a8a1d19e 8003{
b1078ad0 8004 struct hci_dev *hdev = data;
124f6e35 8005 struct mgmt_cp_unpair_device *cp = cmd->param;
a8a1d19e 8006
b1078ad0
JH		 8007 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
8008
d8b7b1e4 8009 cmd->cmd_complete(cmd, 0);
a8a1d19e
JH		 8010 mgmt_pending_remove(cmd);
8011}
8012
84c61d92
JH		 8013bool mgmt_powering_down(struct hci_dev *hdev)
8014{
3b0602cd 8015 struct mgmt_pending_cmd *cmd;
84c61d92
JH		 8016 struct mgmt_mode *cp;
8017
333ae95d 8018 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
84c61d92
JH		 8019 if (!cmd)
8020 return false;
8021
8022 cp = cmd->param;
8023 if (!cp->val)
8024 return true;
8025
8026 return false;
8027}
8028
9b80ec5e 8029void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 8030 u8 link_type, u8 addr_type, u8 reason,
8031 bool mgmt_connected)
f7520543 8032{
f0d6a0ea 8033 struct mgmt_ev_device_disconnected ev;
8962ee74 8034 struct sock *sk = NULL;
8962ee74 8035
84c61d92
JH		 8036 /* The connection is still in hci_conn_hash so test for 1
8037 * instead of 0 to know if this is the last one.
8038 */
8039 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
8040 cancel_delayed_work(&hdev->power_off);
8041 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 8042 }
8043
12d4a3b2
JH		 8044 if (!mgmt_connected)
8045 return;
8046
57eb776f
AG		 8047 if (link_type != ACL_LINK && link_type != LE_LINK)
8048 return;
8049
744cf19e 8050 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 8051
f0d6a0ea
MA		 8052 bacpy(&ev.addr.bdaddr, bdaddr);
8053 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8054 ev.reason = reason;
f7520543 8055
9b80ec5e 8056 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 8057
8058 if (sk)
d97dcb66 8059 sock_put(sk);
8962ee74 8060
124f6e35 8061 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 8062 hdev);
8962ee74
JH		 8063}
8064
7892924c
MH		 8065void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
8066 u8 link_type, u8 addr_type, u8 status)
8962ee74 8067{
3655bba8
AG		 8068 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
8069 struct mgmt_cp_disconnect *cp;
3b0602cd 8070 struct mgmt_pending_cmd *cmd;
8962ee74 8071
36a75f1b
JD		 8072 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
8073 hdev);
8074
333ae95d 8075 cmd = pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 8076 if (!cmd)
7892924c 8077 return;
8962ee74 8078
3655bba8
AG		 8079 cp = cmd->param;
8080
8081 if (bacmp(bdaddr, &cp->addr.bdaddr))
8082 return;
8083
8084 if (cp->addr.type != bdaddr_type)
8085 return;
8086
f5818c22 8087 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8088 mgmt_pending_remove(cmd);
f7520543 8089}
17d5c04c 8090
445608d0
MH		 8091void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8092 u8 addr_type, u8 status)
17d5c04c
JH		 8093{
8094 struct mgmt_ev_connect_failed ev;
c9910d0f 8095
84c61d92
JH		 8096 /* The connection is still in hci_conn_hash so test for 1
8097 * instead of 0 to know if this is the last one.
8098 */
8099 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
8100 cancel_delayed_work(&hdev->power_off);
8101 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 8102 }
17d5c04c 8103
4c659c39 8104 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8105 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 8106 ev.status = mgmt_status(status);
17d5c04c 8107
445608d0 8108 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 8109}
980e1a53 8110
ce0e4a0d 8111void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 8112{
8113 struct mgmt_ev_pin_code_request ev;
8114
d8457698 8115 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 8116 ev.addr.type = BDADDR_BREDR;
a770bb5a 8117 ev.secure = secure;
980e1a53 8118
ce0e4a0d 8119 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 8120}
8121
e669cf80
MH		 8122void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8123 u8 status)
980e1a53 8124{
3b0602cd 8125 struct mgmt_pending_cmd *cmd;
980e1a53 8126
333ae95d 8127 cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 8128 if (!cmd)
e669cf80 8129 return;
980e1a53 8130
7776d1d8 8131 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8132 mgmt_pending_remove(cmd);
980e1a53
JH		 8133}
8134
3eb38528
MH		 8135void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8136 u8 status)
980e1a53 8137{
3b0602cd 8138 struct mgmt_pending_cmd *cmd;
980e1a53 8139
333ae95d 8140 cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 8141 if (!cmd)
3eb38528 8142 return;
980e1a53 8143
7776d1d8 8144 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8145 mgmt_pending_remove(cmd);
980e1a53 8146}
a5c29683 8147
744cf19e 8148int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 8149 u8 link_type, u8 addr_type, u32 value,
04124681 8150 u8 confirm_hint)
a5c29683
JH		 8151{
8152 struct mgmt_ev_user_confirm_request ev;
8153
744cf19e 8154 BT_DBG("%s", hdev->name);
a5c29683 8155
272d90df 8156 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8157 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 8158 ev.confirm_hint = confirm_hint;
39adbffe 8159 ev.value = cpu_to_le32(value);
a5c29683 8160
744cf19e 8161 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 8162 NULL);
a5c29683
JH		 8163}
8164
272d90df 8165int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 8166 u8 link_type, u8 addr_type)
604086b7
BG		 8167{
8168 struct mgmt_ev_user_passkey_request ev;
8169
8170 BT_DBG("%s", hdev->name);
8171
272d90df 8172 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8173 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 8174
8175 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 8176 NULL);
604086b7
BG		 8177}
8178
0df4c185 8179static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 8180 u8 link_type, u8 addr_type, u8 status,
8181 u8 opcode)
a5c29683 8182{
3b0602cd 8183 struct mgmt_pending_cmd *cmd;
a5c29683 8184
333ae95d 8185 cmd = pending_find(opcode, hdev);
a5c29683
JH		 8186 if (!cmd)
8187 return -ENOENT;
8188
7776d1d8 8189 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8190 mgmt_pending_remove(cmd);
a5c29683 8191
7776d1d8 8192 return 0;
a5c29683
JH		 8193}
8194
744cf19e 8195int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8196 u8 link_type, u8 addr_type, u8 status)
a5c29683 8197{
272d90df 8198 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 8199 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 8200}
8201
272d90df 8202int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8203 u8 link_type, u8 addr_type, u8 status)
a5c29683 8204{
272d90df 8205 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 8206 status,
8207 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 8208}
2a611692 8209
604086b7 8210int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8211 u8 link_type, u8 addr_type, u8 status)
604086b7 8212{
272d90df 8213 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 8214 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 8215}
8216
272d90df 8217int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8218 u8 link_type, u8 addr_type, u8 status)
604086b7 8219{
272d90df 8220 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 8221 status,
8222 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 8223}
8224
92a25256
JH		 8225int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
8226 u8 link_type, u8 addr_type, u32 passkey,
8227 u8 entered)
8228{
8229 struct mgmt_ev_passkey_notify ev;
8230
8231 BT_DBG("%s", hdev->name);
8232
8233 bacpy(&ev.addr.bdaddr, bdaddr);
8234 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8235 ev.passkey = __cpu_to_le32(passkey);
8236 ev.entered = entered;
8237
8238 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
8239}
8240
e1e930f5 8241void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
2a611692
JH		 8242{
8243 struct mgmt_ev_auth_failed ev;
3b0602cd 8244 struct mgmt_pending_cmd *cmd;
e1e930f5 8245 u8 status = mgmt_status(hci_status);
2a611692 8246
e1e930f5
JH		 8247 bacpy(&ev.addr.bdaddr, &conn->dst);
8248 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
8249 ev.status = status;
2a611692 8250
e1e930f5
JH		 8251 cmd = find_pairing(conn);
8252
8253 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
8254 cmd ? cmd->sk : NULL);
8255
a511b35b
JH		 8256 if (cmd) {
8257 cmd->cmd_complete(cmd, status);
8258 mgmt_pending_remove(cmd);
8259 }
2a611692 8260}
b312b161 8261
464996ae 8262void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 8263{
8264 struct cmd_lookup match = { NULL, hdev };
464996ae 8265 bool changed;
33ef95ed
JH		 8266
8267 if (status) {
8268 u8 mgmt_err = mgmt_status(status);
8269 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 8270 cmd_status_rsp, &mgmt_err);
464996ae 8271 return;
33ef95ed
JH		 8272 }
8273
464996ae 8274 if (test_bit(HCI_AUTH, &hdev->flags))
238be788 8275 changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY);
464996ae 8276 else
a69d8927 8277 changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY);
47990ea0 8278
33ef95ed 8279 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 8280 &match);
33ef95ed 8281
47990ea0 8282 if (changed)
464996ae 8283 new_settings(hdev, match.sk);
33ef95ed
JH		 8284
8285 if (match.sk)
8286 sock_put(match.sk);
33ef95ed
JH		 8287}
8288
890ea898 8289static void clear_eir(struct hci_request *req)
cacaf52f 8290{
890ea898 8291 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 8292 struct hci_cp_write_eir cp;
8293
976eb20e 8294 if (!lmp_ext_inq_capable(hdev))
890ea898 8295 return;
cacaf52f 8296
c80da27e
JH		 8297 memset(hdev->eir, 0, sizeof(hdev->eir));
8298
cacaf52f
JH		 8299 memset(&cp, 0, sizeof(cp));
8300
890ea898 8301 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 8302}
8303
3e248560 8304void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 8305{
8306 struct cmd_lookup match = { NULL, hdev };
890ea898 8307 struct hci_request req;
c0ecddc2 8308 bool changed = false;
ed2c4ee3
JH		 8309
8310 if (status) {
8311 u8 mgmt_err = mgmt_status(status);
c0ecddc2 8312
a69d8927
MH		 8313 if (enable && hci_dev_test_and_clear_flag(hdev,
8314 HCI_SSP_ENABLED)) {
a358dc11 8315 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
3e248560 8316 new_settings(hdev, NULL);
9ecb3e24 8317 }
c0ecddc2 8318
04124681
GP		 8319 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
8320 &mgmt_err);
3e248560 8321 return;
c0ecddc2
JH		 8322 }
8323
8324 if (enable) {
238be788 8325 changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
c0ecddc2 8326 } else {
a69d8927 8327 changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
9ecb3e24 8328 if (!changed)
a69d8927
MH		 8329 changed = hci_dev_test_and_clear_flag(hdev,
8330 HCI_HS_ENABLED);
9ecb3e24 8331 else
a358dc11 8332 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
ed2c4ee3
JH		 8333 }
8334
8335 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
8336
c0ecddc2 8337 if (changed)
3e248560 8338 new_settings(hdev, match.sk);
ed2c4ee3 8339
5fc6ebb1 8340 if (match.sk)
ed2c4ee3
JH		 8341 sock_put(match.sk);
8342
890ea898
JH		 8343 hci_req_init(&req, hdev);
8344
d7a5a11d
MH		 8345 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
8346 if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 8347 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
8348 sizeof(enable), &enable);
890ea898 8349 update_eir(&req);
3769972b 8350 } else {
890ea898 8351 clear_eir(&req);
3769972b 8352 }
890ea898
JH		 8353
8354 hci_req_run(&req, NULL);
ed2c4ee3
JH		 8355}
8356
3b0602cd 8357static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
90e70454
JH		 8358{
8359 struct cmd_lookup *match = data;
8360
90e70454
JH		 8361 if (match->sk == NULL) {
8362 match->sk = cmd->sk;
8363 sock_hold(match->sk);
8364 }
90e70454
JH		 8365}
8366
4e1b0245
MH		 8367void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
8368 u8 status)
7f9a903c 8369{
90e70454 8370 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 8371
92da6097
JH		 8372 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
8373 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
8374 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 8375
8376 if (!status)
f6b7712e
MH		 8377 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
8378 dev_class, 3, NULL);
90e70454
JH		 8379
8380 if (match.sk)
8381 sock_put(match.sk);
7f9a903c
MH		 8382}
8383
7667da34 8384void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 8385{
b312b161 8386 struct mgmt_cp_set_local_name ev;
3b0602cd 8387 struct mgmt_pending_cmd *cmd;
28cc7bde 8388
13928971 8389 if (status)
7667da34 8390 return;
b312b161
JH		 8391
8392 memset(&ev, 0, sizeof(ev));
8393 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 8394 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 8395
333ae95d 8396 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 8397 if (!cmd) {
8398 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 8399
13928971
JH		 8400 /* If this is a HCI command related to powering on the
8401 * HCI dev don't send any mgmt signals.
8402 */
333ae95d 8403 if (pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 8404 return;
890ea898 8405 }
b312b161 8406
f6b7712e
MH		 8407 mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
8408 cmd ? cmd->sk : NULL);
b312b161 8409}
c35938b2 8410
799ce93d
JP		 8411static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
8412{
8413 int i;
8414
8415 for (i = 0; i < uuid_count; i++) {
8416 if (!memcmp(uuid, uuids[i], 16))
8417 return true;
8418 }
8419
8420 return false;
8421}
8422
b487b9ce
MH		 8423static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16])
8424{
799ce93d
JP		 8425 u16 parsed = 0;
8426
8427 while (parsed < eir_len) {
8428 u8 field_len = eir[0];
8429 u8 uuid[16];
8430 int i;
8431
8432 if (field_len == 0)
8433 break;
8434
8435 if (eir_len - parsed < field_len + 1)
8436 break;
8437
8438 switch (eir[1]) {
8439 case EIR_UUID16_ALL:
8440 case EIR_UUID16_SOME:
8441 for (i = 0; i + 3 <= field_len; i += 2) {
189f6ad2 8442 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 8443 uuid[13] = eir[i + 3];
8444 uuid[12] = eir[i + 2];
8445 if (has_uuid(uuid, uuid_count, uuids))
8446 return true;
8447 }
8448 break;
8449 case EIR_UUID32_ALL:
8450 case EIR_UUID32_SOME:
8451 for (i = 0; i + 5 <= field_len; i += 4) {
189f6ad2 8452 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 8453 uuid[15] = eir[i + 5];
8454 uuid[14] = eir[i + 4];
8455 uuid[13] = eir[i + 3];
8456 uuid[12] = eir[i + 2];
8457 if (has_uuid(uuid, uuid_count, uuids))
8458 return true;
8459 }
8460 break;
8461 case EIR_UUID128_ALL:
8462 case EIR_UUID128_SOME:
8463 for (i = 0; i + 17 <= field_len; i += 16) {
8464 memcpy(uuid, eir + i + 2, 16);
8465 if (has_uuid(uuid, uuid_count, uuids))
8466 return true;
8467 }
8468 break;
8469 }
8470
8471 parsed += field_len + 1;
8472 eir += field_len + 1;
8473 }
8474
b487b9ce
MH		 8475 return false;
8476}
8477
4b0e0ced
JP		 8478static void restart_le_scan(struct hci_dev *hdev)
8479{
8480 /* If controller is not scanning we are done. */
d7a5a11d 8481 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
4b0e0ced
JP		 8482 return;
8483
8484 if (time_after(jiffies + DISCOV_LE_RESTART_DELAY,
8485 hdev->discovery.scan_start +
8486 hdev->discovery.scan_duration))
8487 return;
8488
8489 queue_delayed_work(hdev->workqueue, &hdev->le_scan_restart,
8490 DISCOV_LE_RESTART_DELAY);
8491}
8492
48f86b7f
JP		 8493static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir,
8494 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 8495{
48f86b7f
JP		 8496 /* If a RSSI threshold has been specified, and
8497 * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with
8498 * a RSSI smaller than the RSSI threshold will be dropped. If the quirk
8499 * is set, let it through for further processing, as we might need to
8500 * restart the scan.
efb2513f
MH		 8501 *
8502 * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry,
8503 * the results are also dropped.
bda157a4
MH		 8504 */
8505 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
4b0e0ced
JP		 8506 (rssi == HCI_RSSI_INVALID ||
8507 (rssi < hdev->discovery.rssi &&
8508 !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks))))
48f86b7f 8509 return false;
efb2513f 8510
2976cdeb
JP		 8511 if (hdev->discovery.uuid_count != 0) {
8512 /* If a list of UUIDs is provided in filter, results with no
8513 * matching UUID should be dropped.
b487b9ce 8514 */
2976cdeb
JP		 8515 if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count,
8516 hdev->discovery.uuids) &&
8517 !eir_has_uuids(scan_rsp, scan_rsp_len,
8518 hdev->discovery.uuid_count,
8519 hdev->discovery.uuids))
8520 return false;
b487b9ce 8521 }
5d2e9fad 8522
2976cdeb
JP		 8523 /* If duplicate filtering does not report RSSI changes, then restart
8524 * scanning to ensure updated result with updated RSSI values.
4b0e0ced 8525 */
2976cdeb
JP		 8526 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) {
8527 restart_le_scan(hdev);
8528
8529 /* Validate RSSI value against the RSSI threshold once more. */
8530 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
8531 rssi < hdev->discovery.rssi)
8532 return false;
8533 }
48f86b7f
JP		 8534
8535 return true;
8536}
8537
8538void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8539 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
8540 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
8541{
8542 char buf[512];
8543 struct mgmt_ev_device_found *ev = (void *)buf;
8544 size_t ev_size;
8545
8546 /* Don't send events for a non-kernel initiated discovery. With
8547 * LE one exception is if we have pend_le_reports > 0 in which
8548 * case we're doing passive scanning and want these events.
8549 */
8550 if (!hci_discovery_active(hdev)) {
8551 if (link_type == ACL_LINK)
8552 return;
8553 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
8554 return;
8555 }
8556
82f8b651 8557 if (hdev->discovery.result_filtering) {
48f86b7f
JP		 8558 /* We are using service discovery */
8559 if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp,
8560 scan_rsp_len))
8561 return;
8562 }
8563
8564 /* Make sure that the buffer is big enough. The 5 extra bytes
8565 * are for the potential CoD field.
8566 */
8567 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
4b0e0ced
JP		 8568 return;
8569
48f86b7f
JP		 8570 memset(buf, 0, sizeof(buf));
8571
8572 /* In case of device discovery with BR/EDR devices (pre 1.2), the
8573 * RSSI value was reported as 0 when not available. This behavior
8574 * is kept when using device discovery. This is required for full
8575 * backwards compatibility with the API.
8576 *
8577 * However when using service discovery, the value 127 will be
8578 * returned when the RSSI is not available.
8579 */
8580 if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi &&
8581 link_type == ACL_LINK)
8582 rssi = 0;
8583
8584 bacpy(&ev->addr.bdaddr, bdaddr);
8585 ev->addr.type = link_to_bdaddr(link_type, addr_type);
8586 ev->rssi = rssi;
8587 ev->flags = cpu_to_le32(flags);
8588
8589 if (eir_len > 0)
8590 /* Copy EIR or advertising data into event */
8591 memcpy(ev->eir, eir, eir_len);
8592
8593 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
8594 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
8595 dev_class, 3);
8596
8597 if (scan_rsp_len > 0)
8598 /* Append scan response data to event */
8599 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
8600
5d2e9fad
JH		 8601 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
8602 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 8603
901801b9 8604 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 8605}
a88a9652 8606
9cf12aee
MH		 8607void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8608 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 8609{
b644ba33
JH		 8610 struct mgmt_ev_device_found *ev;
8611 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
8612 u16 eir_len;
a88a9652 8613
b644ba33 8614 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 8615
b644ba33
JH		 8616 memset(buf, 0, sizeof(buf));
8617
8618 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 8619 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 8620 ev->rssi = rssi;
8621
8622 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 8623 name_len);
b644ba33 8624
eb55ef07 8625 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 8626
9cf12aee 8627 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 8628}
314b2381 8629
2f1e063b 8630void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 8631{
f963e8e9 8632 struct mgmt_ev_discovering ev;
164a6e78 8633
343fb145
AG		 8634 BT_DBG("%s discovering %u", hdev->name, discovering);
8635
f963e8e9
JH		 8636 memset(&ev, 0, sizeof(ev));
8637 ev.type = hdev->discovery.type;
8638 ev.discovering = discovering;
8639
2f1e063b 8640 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 8641}
5e762444 8642
1904a853 8643static void adv_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5976e608
MH		 8644{
8645 BT_DBG("%s status %u", hdev->name, status);
5976e608
MH		 8646}
8647
8648void mgmt_reenable_advertising(struct hci_dev *hdev)
8649{
8650 struct hci_request req;
eb6f95f9 8651 u8 instance;
5976e608 8652
24b4f38f
AU		 8653 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
8654 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
5976e608
MH		 8655 return;
8656
eb6f95f9
FG		 8657 instance = get_current_adv_instance(hdev);
8658
5976e608 8659 hci_req_init(&req, hdev);
eb6f95f9
FG		 8660
8661 if (instance) {
8662 schedule_adv_instance(&req, instance, true);
8663 } else {
8664 update_adv_data(&req);
8665 update_scan_rsp_data(&req);
8666 enable_advertising(&req);
8667 }
8668
0ec5ae84 8669 hci_req_run(&req, adv_enable_complete);
5976e608 8670}
6d785aa3
JH		 8671
8672static struct hci_mgmt_chan chan = {
8673 .channel = HCI_CHANNEL_CONTROL,
8674 .handler_count = ARRAY_SIZE(mgmt_handlers),
8675 .handlers = mgmt_handlers,
88b94ce9 8676 .hdev_init = mgmt_init_hdev,
6d785aa3
JH		 8677};
8678
8679int mgmt_init(void)
8680{
8681 return hci_mgmt_chan_register(&chan);
8682}
8683
8684void mgmt_exit(void)
8685{
8686 hci_mgmt_chan_unregister(&chan);
8687}
Linux kernel - Deliverables
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