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Bluetooth: Introduce hci_req helper to abort a connection
[deliverable/linux.git] / net / bluetooth / mgmt.c
CommitLineData
0381101f
JH		 1/*
2 BlueZ - Bluetooth protocol stack for Linux
ea585ab5 3
0381101f 4 Copyright (C) 2010 Nokia Corporation
ea585ab5 5 Copyright (C) 2011-2012 Intel Corporation
0381101f
JH		 6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License version 2 as
9 published by the Free Software Foundation;
10
11 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
12 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
14 IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
15 CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
16 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19
20 ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
21 COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
22 SOFTWARE IS DISCLAIMED.
23*/
24
25/* Bluetooth HCI Management interface */
26
3a9a231d 27#include <linux/module.h>
0381101f
JH		 28#include <asm/unaligned.h>
29
30#include <net/bluetooth/bluetooth.h>
31#include <net/bluetooth/hci_core.h>
7129069e 32#include <net/bluetooth/hci_sock.h>
4bc58f51 33#include <net/bluetooth/l2cap.h>
0381101f 34#include <net/bluetooth/mgmt.h>
ac4b7236 35
0857dd3b 36#include "hci_request.h"
ac4b7236 37#include "smp.h"
a380b6cf 38#include "mgmt_util.h"
0381101f 39
2da9c55c 40#define MGMT_VERSION 1
e58627d1 41#define MGMT_REVISION 10
02d98129 42
e70bb2e8
JH		 43static const u16 mgmt_commands[] = {
44 MGMT_OP_READ_INDEX_LIST,
45 MGMT_OP_READ_INFO,
46 MGMT_OP_SET_POWERED,
47 MGMT_OP_SET_DISCOVERABLE,
48 MGMT_OP_SET_CONNECTABLE,
49 MGMT_OP_SET_FAST_CONNECTABLE,
b2939475 50 MGMT_OP_SET_BONDABLE,
e70bb2e8
JH		 51 MGMT_OP_SET_LINK_SECURITY,
52 MGMT_OP_SET_SSP,
53 MGMT_OP_SET_HS,
54 MGMT_OP_SET_LE,
55 MGMT_OP_SET_DEV_CLASS,
56 MGMT_OP_SET_LOCAL_NAME,
57 MGMT_OP_ADD_UUID,
58 MGMT_OP_REMOVE_UUID,
59 MGMT_OP_LOAD_LINK_KEYS,
60 MGMT_OP_LOAD_LONG_TERM_KEYS,
61 MGMT_OP_DISCONNECT,
62 MGMT_OP_GET_CONNECTIONS,
63 MGMT_OP_PIN_CODE_REPLY,
64 MGMT_OP_PIN_CODE_NEG_REPLY,
65 MGMT_OP_SET_IO_CAPABILITY,
66 MGMT_OP_PAIR_DEVICE,
67 MGMT_OP_CANCEL_PAIR_DEVICE,
68 MGMT_OP_UNPAIR_DEVICE,
69 MGMT_OP_USER_CONFIRM_REPLY,
70 MGMT_OP_USER_CONFIRM_NEG_REPLY,
71 MGMT_OP_USER_PASSKEY_REPLY,
72 MGMT_OP_USER_PASSKEY_NEG_REPLY,
73 MGMT_OP_READ_LOCAL_OOB_DATA,
74 MGMT_OP_ADD_REMOTE_OOB_DATA,
75 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
76 MGMT_OP_START_DISCOVERY,
77 MGMT_OP_STOP_DISCOVERY,
78 MGMT_OP_CONFIRM_NAME,
79 MGMT_OP_BLOCK_DEVICE,
80 MGMT_OP_UNBLOCK_DEVICE,
cdbaccca 81 MGMT_OP_SET_DEVICE_ID,
4375f103 82 MGMT_OP_SET_ADVERTISING,
0663ca2a 83 MGMT_OP_SET_BREDR,
d13eafce 84 MGMT_OP_SET_STATIC_ADDRESS,
7f72134e 85 MGMT_OP_SET_SCAN_PARAMS,
e98d2ce2 86 MGMT_OP_SET_SECURE_CONN,
4e39ac81 87 MGMT_OP_SET_DEBUG_KEYS,
62b04cd1 88 MGMT_OP_SET_PRIVACY,
41edf160 89 MGMT_OP_LOAD_IRKS,
dd983808 90 MGMT_OP_GET_CONN_INFO,
95868426 91 MGMT_OP_GET_CLOCK_INFO,
2faade53
MH		 92 MGMT_OP_ADD_DEVICE,
93 MGMT_OP_REMOVE_DEVICE,
a26f3dcf 94 MGMT_OP_LOAD_CONN_PARAM,
73d1df2a 95 MGMT_OP_READ_UNCONF_INDEX_LIST,
9fc3bfb6 96 MGMT_OP_READ_CONFIG_INFO,
dbece37a 97 MGMT_OP_SET_EXTERNAL_CONFIG,
9713c17b 98 MGMT_OP_SET_PUBLIC_ADDRESS,
66ea9427 99 MGMT_OP_START_SERVICE_DISCOVERY,
4f0f155c 100 MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
96f1474a 101 MGMT_OP_READ_EXT_INDEX_LIST,
d3d5305b 102 MGMT_OP_READ_ADV_FEATURES,
24b4f38f 103 MGMT_OP_ADD_ADVERTISING,
da929335 104 MGMT_OP_REMOVE_ADVERTISING,
e70bb2e8
JH		 105};
106
107static const u16 mgmt_events[] = {
108 MGMT_EV_CONTROLLER_ERROR,
109 MGMT_EV_INDEX_ADDED,
110 MGMT_EV_INDEX_REMOVED,
111 MGMT_EV_NEW_SETTINGS,
112 MGMT_EV_CLASS_OF_DEV_CHANGED,
113 MGMT_EV_LOCAL_NAME_CHANGED,
114 MGMT_EV_NEW_LINK_KEY,
115 MGMT_EV_NEW_LONG_TERM_KEY,
116 MGMT_EV_DEVICE_CONNECTED,
117 MGMT_EV_DEVICE_DISCONNECTED,
118 MGMT_EV_CONNECT_FAILED,
119 MGMT_EV_PIN_CODE_REQUEST,
120 MGMT_EV_USER_CONFIRM_REQUEST,
121 MGMT_EV_USER_PASSKEY_REQUEST,
122 MGMT_EV_AUTH_FAILED,
123 MGMT_EV_DEVICE_FOUND,
124 MGMT_EV_DISCOVERING,
125 MGMT_EV_DEVICE_BLOCKED,
126 MGMT_EV_DEVICE_UNBLOCKED,
127 MGMT_EV_DEVICE_UNPAIRED,
92a25256 128 MGMT_EV_PASSKEY_NOTIFY,
1b60ef21 129 MGMT_EV_NEW_IRK,
7ee4ea36 130 MGMT_EV_NEW_CSRK,
8afef092
MH		 131 MGMT_EV_DEVICE_ADDED,
132 MGMT_EV_DEVICE_REMOVED,
ffb5a827 133 MGMT_EV_NEW_CONN_PARAM,
0602a8ad 134 MGMT_EV_UNCONF_INDEX_ADDED,
edd3896b 135 MGMT_EV_UNCONF_INDEX_REMOVED,
f4537c04 136 MGMT_EV_NEW_CONFIG_OPTIONS,
ced85549
MH		 137 MGMT_EV_EXT_INDEX_ADDED,
138 MGMT_EV_EXT_INDEX_REMOVED,
72000df2 139 MGMT_EV_LOCAL_OOB_DATA_UPDATED,
24b4f38f
AU		 140 MGMT_EV_ADVERTISING_ADDED,
141 MGMT_EV_ADVERTISING_REMOVED,
e70bb2e8
JH		 142};
143
99c679ac
MH		 144static const u16 mgmt_untrusted_commands[] = {
145 MGMT_OP_READ_INDEX_LIST,
146 MGMT_OP_READ_INFO,
147 MGMT_OP_READ_UNCONF_INDEX_LIST,
148 MGMT_OP_READ_CONFIG_INFO,
149 MGMT_OP_READ_EXT_INDEX_LIST,
150};
151
152static const u16 mgmt_untrusted_events[] = {
153 MGMT_EV_INDEX_ADDED,
154 MGMT_EV_INDEX_REMOVED,
155 MGMT_EV_NEW_SETTINGS,
156 MGMT_EV_CLASS_OF_DEV_CHANGED,
157 MGMT_EV_LOCAL_NAME_CHANGED,
158 MGMT_EV_UNCONF_INDEX_ADDED,
159 MGMT_EV_UNCONF_INDEX_REMOVED,
160 MGMT_EV_NEW_CONFIG_OPTIONS,
161 MGMT_EV_EXT_INDEX_ADDED,
162 MGMT_EV_EXT_INDEX_REMOVED,
163};
164
17b02e62 165#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
7d78525d 166
d25b78e2
JH		 167#define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
168 "\x00\x00\x00\x00\x00\x00\x00\x00"
169
ca69b795
JH		 170/* HCI to MGMT error code conversion table */
171static u8 mgmt_status_table[] = {
172 MGMT_STATUS_SUCCESS,
173 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
174 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
175 MGMT_STATUS_FAILED, /* Hardware Failure */
176 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
177 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
eadd663a 178 MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
ca69b795
JH		 179 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
180 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
181 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
182 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
183 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
184 MGMT_STATUS_BUSY, /* Command Disallowed */
185 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
186 MGMT_STATUS_REJECTED, /* Rejected Security */
187 MGMT_STATUS_REJECTED, /* Rejected Personal */
188 MGMT_STATUS_TIMEOUT, /* Host Timeout */
189 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
190 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
191 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
192 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
193 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
194 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
195 MGMT_STATUS_BUSY, /* Repeated Attempts */
196 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
197 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
198 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
199 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
200 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
201 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
202 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
203 MGMT_STATUS_FAILED, /* Unspecified Error */
204 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
205 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
206 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
207 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
208 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
209 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
210 MGMT_STATUS_FAILED, /* Unit Link Key Used */
211 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
212 MGMT_STATUS_TIMEOUT, /* Instant Passed */
213 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
214 MGMT_STATUS_FAILED, /* Transaction Collision */
215 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
216 MGMT_STATUS_REJECTED, /* QoS Rejected */
217 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
218 MGMT_STATUS_REJECTED, /* Insufficient Security */
219 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
220 MGMT_STATUS_BUSY, /* Role Switch Pending */
221 MGMT_STATUS_FAILED, /* Slot Violation */
222 MGMT_STATUS_FAILED, /* Role Switch Failed */
223 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
224 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
225 MGMT_STATUS_BUSY, /* Host Busy Pairing */
226 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
227 MGMT_STATUS_BUSY, /* Controller Busy */
228 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
229 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
230 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
231 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
232 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
233};
234
235static u8 mgmt_status(u8 hci_status)
236{
237 if (hci_status < ARRAY_SIZE(mgmt_status_table))
238 return mgmt_status_table[hci_status];
239
240 return MGMT_STATUS_FAILED;
241}
242
c08b1a1d
MH		 243static int mgmt_index_event(u16 event, struct hci_dev *hdev, void *data,
244 u16 len, int flag)
f9207338 245{
c08b1a1d
MH		 246 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
247 flag, NULL);
f9207338
MH		 248}
249
72000df2
MH		 250static int mgmt_limited_event(u16 event, struct hci_dev *hdev, void *data,
251 u16 len, int flag, struct sock *skip_sk)
252{
253 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
254 flag, skip_sk);
255}
256
f6b7712e
MH		 257static int mgmt_generic_event(u16 event, struct hci_dev *hdev, void *data,
258 u16 len, struct sock *skip_sk)
259{
260 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
261 HCI_MGMT_GENERIC_EVENTS, skip_sk);
262}
263
7a00ff44
JH		 264static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 len,
265 struct sock *skip_sk)
266{
267 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
c08b1a1d 268 HCI_SOCK_TRUSTED, skip_sk);
7a00ff44
JH		 269}
270
85813a7e
JH		 271static u8 le_addr_type(u8 mgmt_addr_type)
272{
273 if (mgmt_addr_type == BDADDR_LE_PUBLIC)
274 return ADDR_LE_DEV_PUBLIC;
275 else
276 return ADDR_LE_DEV_RANDOM;
277}
278
04124681
GP		 279static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
280 u16 data_len)
a38528f1
JH		 281{
282 struct mgmt_rp_read_version rp;
283
284 BT_DBG("sock %p", sk);
285
286 rp.version = MGMT_VERSION;
dcf4adbf 287 rp.revision = cpu_to_le16(MGMT_REVISION);
a38528f1 288
2a1afb5a
JH		 289 return mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0,
290 &rp, sizeof(rp));
a38528f1
JH		 291}
292
04124681
GP		 293static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
294 u16 data_len)
e70bb2e8
JH		 295{
296 struct mgmt_rp_read_commands *rp;
99c679ac 297 u16 num_commands, num_events;
e70bb2e8
JH		 298 size_t rp_size;
299 int i, err;
300
301 BT_DBG("sock %p", sk);
302
99c679ac
MH		 303 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
304 num_commands = ARRAY_SIZE(mgmt_commands);
305 num_events = ARRAY_SIZE(mgmt_events);
306 } else {
307 num_commands = ARRAY_SIZE(mgmt_untrusted_commands);
308 num_events = ARRAY_SIZE(mgmt_untrusted_events);
309 }
310
e70bb2e8
JH		 311 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
312
313 rp = kmalloc(rp_size, GFP_KERNEL);
314 if (!rp)
315 return -ENOMEM;
316
dcf4adbf
JP		 317 rp->num_commands = cpu_to_le16(num_commands);
318 rp->num_events = cpu_to_le16(num_events);
e70bb2e8 319
99c679ac
MH		 320 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
321 __le16 *opcode = rp->opcodes;
322
323 for (i = 0; i < num_commands; i++, opcode++)
324 put_unaligned_le16(mgmt_commands[i], opcode);
e70bb2e8 325
99c679ac
MH		 326 for (i = 0; i < num_events; i++, opcode++)
327 put_unaligned_le16(mgmt_events[i], opcode);
328 } else {
329 __le16 *opcode = rp->opcodes;
330
331 for (i = 0; i < num_commands; i++, opcode++)
332 put_unaligned_le16(mgmt_untrusted_commands[i], opcode);
333
334 for (i = 0; i < num_events; i++, opcode++)
335 put_unaligned_le16(mgmt_untrusted_events[i], opcode);
336 }
e70bb2e8 337
2a1afb5a
JH		 338 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0,
339 rp, rp_size);
e70bb2e8
JH		 340 kfree(rp);
341
342 return err;
343}
344
04124681
GP		 345static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
346 u16 data_len)
faba42eb 347{
faba42eb 348 struct mgmt_rp_read_index_list *rp;
8035ded4 349 struct hci_dev *d;
a38528f1 350 size_t rp_len;
faba42eb 351 u16 count;
476e44cb 352 int err;
faba42eb
JH		 353
354 BT_DBG("sock %p", sk);
355
356 read_lock(&hci_dev_list_lock);
357
358 count = 0;
bb4b2a9a 359 list_for_each_entry(d, &hci_dev_list, list) {
73d1df2a 360 if (d->dev_type == HCI_BREDR &&
d7a5a11d 361 !hci_dev_test_flag(d, HCI_UNCONFIGURED))
1514b892 362 count++;
faba42eb
JH		 363 }
364
a38528f1
JH		 365 rp_len = sizeof(*rp) + (2 * count);
366 rp = kmalloc(rp_len, GFP_ATOMIC);
367 if (!rp) {
b2c60d42 368 read_unlock(&hci_dev_list_lock);
faba42eb 369 return -ENOMEM;
b2c60d42 370 }
faba42eb 371
476e44cb 372 count = 0;
8035ded4 373 list_for_each_entry(d, &hci_dev_list, list) {
d7a5a11d
MH		 374 if (hci_dev_test_flag(d, HCI_SETUP) ||
375 hci_dev_test_flag(d, HCI_CONFIG) ||
376 hci_dev_test_flag(d, HCI_USER_CHANNEL))
ab81cbf9
JH		 377 continue;
378
73d1df2a
MH		 379 /* Devices marked as raw-only are neither configured
380 * nor unconfigured controllers.
381 */
382 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
fee746b0
MH		 383 continue;
384
73d1df2a 385 if (d->dev_type == HCI_BREDR &&
d7a5a11d 386 !hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
1514b892
MH		 387 rp->index[count++] = cpu_to_le16(d->id);
388 BT_DBG("Added hci%u", d->id);
389 }
faba42eb
JH		 390 }
391
476e44cb
JH		 392 rp->num_controllers = cpu_to_le16(count);
393 rp_len = sizeof(*rp) + (2 * count);
394
faba42eb
JH		 395 read_unlock(&hci_dev_list_lock);
396
2a1afb5a
JH		 397 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST,
398 0, rp, rp_len);
faba42eb 399
a38528f1
JH		 400 kfree(rp);
401
402 return err;
faba42eb
JH		 403}
404
73d1df2a
MH		 405static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
406 void *data, u16 data_len)
407{
408 struct mgmt_rp_read_unconf_index_list *rp;
409 struct hci_dev *d;
410 size_t rp_len;
411 u16 count;
412 int err;
413
414 BT_DBG("sock %p", sk);
415
416 read_lock(&hci_dev_list_lock);
417
418 count = 0;
419 list_for_each_entry(d, &hci_dev_list, list) {
420 if (d->dev_type == HCI_BREDR &&
d7a5a11d 421 hci_dev_test_flag(d, HCI_UNCONFIGURED))
73d1df2a
MH		 422 count++;
423 }
424
425 rp_len = sizeof(*rp) + (2 * count);
426 rp = kmalloc(rp_len, GFP_ATOMIC);
427 if (!rp) {
428 read_unlock(&hci_dev_list_lock);
429 return -ENOMEM;
430 }
431
432 count = 0;
433 list_for_each_entry(d, &hci_dev_list, list) {
d7a5a11d
MH		 434 if (hci_dev_test_flag(d, HCI_SETUP) ||
435 hci_dev_test_flag(d, HCI_CONFIG) ||
436 hci_dev_test_flag(d, HCI_USER_CHANNEL))
73d1df2a
MH		 437 continue;
438
439 /* Devices marked as raw-only are neither configured
440 * nor unconfigured controllers.
441 */
442 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
443 continue;
444
445 if (d->dev_type == HCI_BREDR &&
d7a5a11d 446 hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
73d1df2a
MH		 447 rp->index[count++] = cpu_to_le16(d->id);
448 BT_DBG("Added hci%u", d->id);
449 }
450 }
451
452 rp->num_controllers = cpu_to_le16(count);
453 rp_len = sizeof(*rp) + (2 * count);
454
455 read_unlock(&hci_dev_list_lock);
456
2a1afb5a
JH		 457 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
458 MGMT_OP_READ_UNCONF_INDEX_LIST, 0, rp, rp_len);
73d1df2a
MH		 459
460 kfree(rp);
461
462 return err;
463}
464
96f1474a
MH		 465static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
466 void *data, u16 data_len)
467{
468 struct mgmt_rp_read_ext_index_list *rp;
469 struct hci_dev *d;
470 size_t rp_len;
471 u16 count;
472 int err;
473
474 BT_DBG("sock %p", sk);
475
476 read_lock(&hci_dev_list_lock);
477
478 count = 0;
479 list_for_each_entry(d, &hci_dev_list, list) {
480 if (d->dev_type == HCI_BREDR || d->dev_type == HCI_AMP)
481 count++;
482 }
483
484 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
485 rp = kmalloc(rp_len, GFP_ATOMIC);
486 if (!rp) {
487 read_unlock(&hci_dev_list_lock);
488 return -ENOMEM;
489 }
490
491 count = 0;
492 list_for_each_entry(d, &hci_dev_list, list) {
493 if (hci_dev_test_flag(d, HCI_SETUP) ||
494 hci_dev_test_flag(d, HCI_CONFIG) ||
495 hci_dev_test_flag(d, HCI_USER_CHANNEL))
496 continue;
497
498 /* Devices marked as raw-only are neither configured
499 * nor unconfigured controllers.
500 */
501 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
502 continue;
503
504 if (d->dev_type == HCI_BREDR) {
505 if (hci_dev_test_flag(d, HCI_UNCONFIGURED))
506 rp->entry[count].type = 0x01;
507 else
508 rp->entry[count].type = 0x00;
509 } else if (d->dev_type == HCI_AMP) {
510 rp->entry[count].type = 0x02;
511 } else {
512 continue;
513 }
514
515 rp->entry[count].bus = d->bus;
516 rp->entry[count++].index = cpu_to_le16(d->id);
517 BT_DBG("Added hci%u", d->id);
518 }
519
520 rp->num_controllers = cpu_to_le16(count);
521 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
522
523 read_unlock(&hci_dev_list_lock);
524
525 /* If this command is called at least once, then all the
526 * default index and unconfigured index events are disabled
527 * and from now on only extended index events are used.
528 */
529 hci_sock_set_flag(sk, HCI_MGMT_EXT_INDEX_EVENTS);
530 hci_sock_clear_flag(sk, HCI_MGMT_INDEX_EVENTS);
531 hci_sock_clear_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS);
532
533 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
534 MGMT_OP_READ_EXT_INDEX_LIST, 0, rp, rp_len);
535
536 kfree(rp);
537
538 return err;
539}
540
dbece37a
MH		 541static bool is_configured(struct hci_dev *hdev)
542{
543 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
d7a5a11d 544 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
dbece37a
MH		 545 return false;
546
547 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
548 !bacmp(&hdev->public_addr, BDADDR_ANY))
549 return false;
550
551 return true;
552}
553
89bc22d2
MH		 554static __le32 get_missing_options(struct hci_dev *hdev)
555{
556 u32 options = 0;
557
dbece37a 558 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
d7a5a11d 559 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
eb1904f4
MH		 560 options |= MGMT_OPTION_EXTERNAL_CONFIG;
561
89bc22d2
MH		 562 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
563 !bacmp(&hdev->public_addr, BDADDR_ANY))
564 options |= MGMT_OPTION_PUBLIC_ADDRESS;
565
566 return cpu_to_le32(options);
567}
568
f4537c04
MH		 569static int new_options(struct hci_dev *hdev, struct sock *skip)
570{
571 __le32 options = get_missing_options(hdev);
572
f6b7712e
MH		 573 return mgmt_generic_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
574 sizeof(options), skip);
f4537c04
MH		 575}
576
dbece37a
MH		 577static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
578{
579 __le32 options = get_missing_options(hdev);
580
2a1afb5a
JH		 581 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &options,
582 sizeof(options));
dbece37a
MH		 583}
584
9fc3bfb6
MH		 585static int read_config_info(struct sock *sk, struct hci_dev *hdev,
586 void *data, u16 data_len)
587{
588 struct mgmt_rp_read_config_info rp;
89bc22d2 589 u32 options = 0;
9fc3bfb6
MH		 590
591 BT_DBG("sock %p %s", sk, hdev->name);
592
593 hci_dev_lock(hdev);
594
595 memset(&rp, 0, sizeof(rp));
596 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
89bc22d2 597
eb1904f4
MH		 598 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
599 options |= MGMT_OPTION_EXTERNAL_CONFIG;
600
9fc3bfb6 601 if (hdev->set_bdaddr)
89bc22d2
MH		 602 options |= MGMT_OPTION_PUBLIC_ADDRESS;
603
604 rp.supported_options = cpu_to_le32(options);
605 rp.missing_options = get_missing_options(hdev);
9fc3bfb6
MH		 606
607 hci_dev_unlock(hdev);
608
2a1afb5a
JH		 609 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0,
610 &rp, sizeof(rp));
9fc3bfb6
MH		 611}
612
69ab39ea
JH		 613static u32 get_supported_settings(struct hci_dev *hdev)
614{
615 u32 settings = 0;
616
617 settings |= MGMT_SETTING_POWERED;
b2939475 618 settings |= MGMT_SETTING_BONDABLE;
b1de97d8 619 settings |= MGMT_SETTING_DEBUG_KEYS;
3742abfc
JH		 620 settings |= MGMT_SETTING_CONNECTABLE;
621 settings |= MGMT_SETTING_DISCOVERABLE;
69ab39ea 622
ed3fa31f 623 if (lmp_bredr_capable(hdev)) {
1a47aee8
JH		 624 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
625 settings |= MGMT_SETTING_FAST_CONNECTABLE;
69ab39ea
JH		 626 settings |= MGMT_SETTING_BREDR;
627 settings |= MGMT_SETTING_LINK_SECURITY;
a82974c9
MH		 628
629 if (lmp_ssp_capable(hdev)) {
630 settings |= MGMT_SETTING_SSP;
631 settings |= MGMT_SETTING_HS;
632 }
e98d2ce2 633
05b3c3e7 634 if (lmp_sc_capable(hdev))
e98d2ce2 635 settings |= MGMT_SETTING_SECURE_CONN;
848566b3 636 }
d7b7e796 637
eeca6f89 638 if (lmp_le_capable(hdev)) {
9d42820f 639 settings |= MGMT_SETTING_LE;
eeca6f89 640 settings |= MGMT_SETTING_ADVERTISING;
a3209694 641 settings |= MGMT_SETTING_SECURE_CONN;
0f4bd942 642 settings |= MGMT_SETTING_PRIVACY;
93690c22 643 settings |= MGMT_SETTING_STATIC_ADDRESS;
eeca6f89 644 }
69ab39ea 645
eb1904f4
MH		 646 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
647 hdev->set_bdaddr)
9fc3bfb6
MH		 648 settings |= MGMT_SETTING_CONFIGURATION;
649
69ab39ea
JH		 650 return settings;
651}
652
653static u32 get_current_settings(struct hci_dev *hdev)
654{
655 u32 settings = 0;
656
f1f0eb02 657 if (hdev_is_powered(hdev))
f0d4b78a
MH		 658 settings |= MGMT_SETTING_POWERED;
659
d7a5a11d 660 if (hci_dev_test_flag(hdev, HCI_CONNECTABLE))
69ab39ea
JH		 661 settings |= MGMT_SETTING_CONNECTABLE;
662
d7a5a11d 663 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
1a4d3c4b
JH		 664 settings |= MGMT_SETTING_FAST_CONNECTABLE;
665
d7a5a11d 666 if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
69ab39ea
JH		 667 settings |= MGMT_SETTING_DISCOVERABLE;
668
d7a5a11d 669 if (hci_dev_test_flag(hdev, HCI_BONDABLE))
b2939475 670 settings |= MGMT_SETTING_BONDABLE;
69ab39ea 671
d7a5a11d 672 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
69ab39ea
JH		 673 settings |= MGMT_SETTING_BREDR;
674
d7a5a11d 675 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
69ab39ea
JH		 676 settings |= MGMT_SETTING_LE;
677
d7a5a11d 678 if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY))
69ab39ea
JH		 679 settings |= MGMT_SETTING_LINK_SECURITY;
680
d7a5a11d 681 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
69ab39ea
JH		 682 settings |= MGMT_SETTING_SSP;
683
d7a5a11d 684 if (hci_dev_test_flag(hdev, HCI_HS_ENABLED))
6d80dfd0
JH		 685 settings |= MGMT_SETTING_HS;
686
d7a5a11d 687 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
eeca6f89
JH		 688 settings |= MGMT_SETTING_ADVERTISING;
689
d7a5a11d 690 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED))
e98d2ce2
MH		 691 settings |= MGMT_SETTING_SECURE_CONN;
692
d7a5a11d 693 if (hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS))
b1de97d8
MH		 694 settings |= MGMT_SETTING_DEBUG_KEYS;
695
d7a5a11d 696 if (hci_dev_test_flag(hdev, HCI_PRIVACY))
0f4bd942
JH		 697 settings |= MGMT_SETTING_PRIVACY;
698
93690c22
MH		 699 /* The current setting for static address has two purposes. The
700 * first is to indicate if the static address will be used and
701 * the second is to indicate if it is actually set.
702 *
703 * This means if the static address is not configured, this flag
08dc0e98 704 * will never be set. If the address is configured, then if the
93690c22
MH		 705 * address is actually used decides if the flag is set or not.
706 *
707 * For single mode LE only controllers and dual-mode controllers
708 * with BR/EDR disabled, the existence of the static address will
709 * be evaluated.
710 */
b7cb93e5 711 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
d7a5a11d 712 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
93690c22
MH		 713 !bacmp(&hdev->bdaddr, BDADDR_ANY)) {
714 if (bacmp(&hdev->static_addr, BDADDR_ANY))
715 settings |= MGMT_SETTING_STATIC_ADDRESS;
716 }
717
69ab39ea
JH		 718 return settings;
719}
720
ef580372
JH		 721#define PNP_INFO_SVCLASS_ID 0x1200
722
213202ed
JH		 723static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
724{
725 u8 *ptr = data, *uuids_start = NULL;
726 struct bt_uuid *uuid;
727
728 if (len < 4)
729 return ptr;
730
731 list_for_each_entry(uuid, &hdev->uuids, list) {
732 u16 uuid16;
733
734 if (uuid->size != 16)
735 continue;
736
737 uuid16 = get_unaligned_le16(&uuid->uuid[12]);
738 if (uuid16 < 0x1100)
739 continue;
740
741 if (uuid16 == PNP_INFO_SVCLASS_ID)
742 continue;
743
744 if (!uuids_start) {
745 uuids_start = ptr;
746 uuids_start[0] = 1;
747 uuids_start[1] = EIR_UUID16_ALL;
748 ptr += 2;
749 }
750
751 /* Stop if not enough space to put next UUID */
752 if ((ptr - data) + sizeof(u16) > len) {
753 uuids_start[1] = EIR_UUID16_SOME;
754 break;
755 }
756
757 *ptr++ = (uuid16 & 0x00ff);
758 *ptr++ = (uuid16 & 0xff00) >> 8;
759 uuids_start[0] += sizeof(uuid16);
760 }
761
762 return ptr;
763}
764
cdf1963f
JH		 765static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
766{
767 u8 *ptr = data, *uuids_start = NULL;
768 struct bt_uuid *uuid;
769
770 if (len < 6)
771 return ptr;
772
773 list_for_each_entry(uuid, &hdev->uuids, list) {
774 if (uuid->size != 32)
775 continue;
776
777 if (!uuids_start) {
778 uuids_start = ptr;
779 uuids_start[0] = 1;
780 uuids_start[1] = EIR_UUID32_ALL;
781 ptr += 2;
782 }
783
784 /* Stop if not enough space to put next UUID */
785 if ((ptr - data) + sizeof(u32) > len) {
786 uuids_start[1] = EIR_UUID32_SOME;
787 break;
788 }
789
790 memcpy(ptr, &uuid->uuid[12], sizeof(u32));
791 ptr += sizeof(u32);
792 uuids_start[0] += sizeof(u32);
793 }
794
795 return ptr;
796}
797
c00d575b
JH		 798static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
799{
800 u8 *ptr = data, *uuids_start = NULL;
801 struct bt_uuid *uuid;
802
803 if (len < 18)
804 return ptr;
805
806 list_for_each_entry(uuid, &hdev->uuids, list) {
807 if (uuid->size != 128)
808 continue;
809
810 if (!uuids_start) {
811 uuids_start = ptr;
812 uuids_start[0] = 1;
813 uuids_start[1] = EIR_UUID128_ALL;
814 ptr += 2;
815 }
816
817 /* Stop if not enough space to put next UUID */
818 if ((ptr - data) + 16 > len) {
819 uuids_start[1] = EIR_UUID128_SOME;
820 break;
821 }
822
823 memcpy(ptr, uuid->uuid, 16);
824 ptr += 16;
825 uuids_start[0] += 16;
826 }
827
828 return ptr;
829}
830
333ae95d
JH		 831static struct mgmt_pending_cmd *pending_find(u16 opcode, struct hci_dev *hdev)
832{
833 return mgmt_pending_find(HCI_CHANNEL_CONTROL, opcode, hdev);
834}
835
333ae95d
JH		 836static struct mgmt_pending_cmd *pending_find_data(u16 opcode,
837 struct hci_dev *hdev,
838 const void *data)
839{
840 return mgmt_pending_find_data(HCI_CHANNEL_CONTROL, opcode, hdev, data);
841}
842
91aa9bb2
FG		 843static u8 get_current_adv_instance(struct hci_dev *hdev)
844{
845 /* The "Set Advertising" setting supersedes the "Add Advertising"
846 * setting. Here we set the advertising data based on which
847 * setting was set. When neither apply, default to the global settings,
848 * represented by instance "0".
849 */
850 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
851 !hci_dev_test_flag(hdev, HCI_ADVERTISING))
3ff37e6b 852 return hdev->cur_adv_instance;
91aa9bb2
FG		 853
854 return 0x00;
855}
856
4117ed70 857static u8 create_default_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
f14d8f64 858{
7a5f4990
MH		 859 u8 ad_len = 0;
860 size_t name_len;
861
862 name_len = strlen(hdev->dev_name);
863 if (name_len > 0) {
864 size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
865
866 if (name_len > max_len) {
867 name_len = max_len;
868 ptr[1] = EIR_NAME_SHORT;
869 } else
870 ptr[1] = EIR_NAME_COMPLETE;
871
872 ptr[0] = name_len + 1;
873
874 memcpy(ptr + 2, hdev->dev_name, name_len);
875
876 ad_len += (name_len + 2);
877 ptr += (name_len + 2);
878 }
879
880 return ad_len;
f14d8f64
MH		 881}
882
ca21fbe9
FG		 883static u8 create_instance_scan_rsp_data(struct hci_dev *hdev, u8 instance,
884 u8 *ptr)
4117ed70 885{
ca21fbe9
FG		 886 struct adv_info *adv_instance;
887
888 adv_instance = hci_find_adv_instance(hdev, instance);
889 if (!adv_instance)
890 return 0;
891
4117ed70
AU		 892 /* TODO: Set the appropriate entries based on advertising instance flags
893 * here once flags other than 0 are supported.
894 */
ca21fbe9
FG		 895 memcpy(ptr, adv_instance->scan_rsp_data,
896 adv_instance->scan_rsp_len);
4117ed70 897
ca21fbe9 898 return adv_instance->scan_rsp_len;
4117ed70
AU		 899}
900
efae002c 901static void update_inst_scan_rsp_data(struct hci_request *req, u8 instance)
f14d8f64
MH		 902{
903 struct hci_dev *hdev = req->hdev;
904 struct hci_cp_le_set_scan_rsp_data cp;
905 u8 len;
906
d7a5a11d 907 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
f14d8f64
MH		 908 return;
909
910 memset(&cp, 0, sizeof(cp));
911
4117ed70 912 if (instance)
ca21fbe9 913 len = create_instance_scan_rsp_data(hdev, instance, cp.data);
4117ed70
AU		 914 else
915 len = create_default_scan_rsp_data(hdev, cp.data);
f14d8f64 916
eb438b5f 917 if (hdev->scan_rsp_data_len == len &&
4117ed70 918 !memcmp(cp.data, hdev->scan_rsp_data, len))
f14d8f64
MH		 919 return;
920
eb438b5f
JH		 921 memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
922 hdev->scan_rsp_data_len = len;
f14d8f64
MH		 923
924 cp.length = len;
925
926 hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp);
927}
928
4117ed70
AU		 929static void update_scan_rsp_data(struct hci_request *req)
930{
efae002c 931 update_inst_scan_rsp_data(req, get_current_adv_instance(req->hdev));
4117ed70
AU		 932}
933
9a43e25f
JH		 934static u8 get_adv_discov_flags(struct hci_dev *hdev)
935{
3b0602cd 936 struct mgmt_pending_cmd *cmd;
9a43e25f
JH		 937
938 /* If there's a pending mgmt command the flags will not yet have
939 * their final values, so check for this first.
940 */
333ae95d 941 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
9a43e25f
JH		 942 if (cmd) {
943 struct mgmt_mode *cp = cmd->param;
944 if (cp->val == 0x01)
945 return LE_AD_GENERAL;
946 else if (cp->val == 0x02)
947 return LE_AD_LIMITED;
948 } else {
d7a5a11d 949 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
9a43e25f 950 return LE_AD_LIMITED;
d7a5a11d 951 else if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
9a43e25f
JH		 952 return LE_AD_GENERAL;
953 }
954
955 return 0;
956}
957
fdf51784
AU		 958static bool get_connectable(struct hci_dev *hdev)
959{
960 struct mgmt_pending_cmd *cmd;
441ad2d0 961
fdf51784
AU		 962 /* If there's a pending mgmt command the flag will not yet have
963 * it's final value, so check for this first.
964 */
965 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
966 if (cmd) {
967 struct mgmt_mode *cp = cmd->param;
441ad2d0 968
fdf51784 969 return cp->val;
441ad2d0
MH		 970 }
971
fdf51784
AU		 972 return hci_dev_test_flag(hdev, HCI_CONNECTABLE);
973}
441ad2d0 974
fdf51784
AU		 975static u32 get_adv_instance_flags(struct hci_dev *hdev, u8 instance)
976{
977 u32 flags;
411b4121 978 struct adv_info *adv_instance;
441ad2d0 979
bea28e65
FG		 980 if (instance == 0x00) {
981 /* Instance 0 always manages the "Tx Power" and "Flags"
982 * fields
983 */
984 flags = MGMT_ADV_FLAG_TX_POWER | MGMT_ADV_FLAG_MANAGED_FLAGS;
411b4121 985
bea28e65
FG		 986 /* For instance 0, the HCI_ADVERTISING_CONNECTABLE setting
987 * corresponds to the "connectable" instance flag.
988 */
989 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE))
990 flags |= MGMT_ADV_FLAG_CONNECTABLE;
fdf51784 991
bea28e65 992 return flags;
411b4121 993 }
fdf51784 994
bea28e65 995 adv_instance = hci_find_adv_instance(hdev, instance);
fdf51784 996
bea28e65
FG		 997 /* Return 0 when we got an invalid instance identifier. */
998 if (!adv_instance)
999 return 0;
fdf51784 1000
bea28e65 1001 return adv_instance->flags;
441ad2d0
MH		 1002}
1003
7b683b74 1004static u8 get_cur_adv_instance_scan_rsp_len(struct hci_dev *hdev)
c7d4883b 1005{
7b683b74
FG		 1006 u8 instance = get_current_adv_instance(hdev);
1007 struct adv_info *adv_instance;
1008
1009 /* Ignore instance 0 */
1010 if (instance == 0x00)
1011 return 0;
1012
1013 adv_instance = hci_find_adv_instance(hdev, instance);
1014 if (!adv_instance)
c7d4883b
AU		 1015 return 0;
1016
1017 /* TODO: Take into account the "appearance" and "local-name" flags here.
1018 * These are currently being ignored as they are not supported.
1019 */
7b683b74 1020 return adv_instance->scan_rsp_len;
c7d4883b
AU		 1021}
1022
fdf51784 1023static u8 create_instance_adv_data(struct hci_dev *hdev, u8 instance, u8 *ptr)
24b4f38f 1024{
f63ba24b 1025 struct adv_info *adv_instance = NULL;
b44133ff 1026 u8 ad_len = 0, flags = 0;
f63ba24b
FG		 1027 u32 instance_flags;
1028
1029 /* Return 0 when the current instance identifier is invalid. */
1030 if (instance) {
1031 adv_instance = hci_find_adv_instance(hdev, instance);
1032 if (!adv_instance)
1033 return 0;
1034 }
1035
1036 instance_flags = get_adv_instance_flags(hdev, instance);
b44133ff 1037
807ec772
AU		 1038 /* The Add Advertising command allows userspace to set both the general
1039 * and limited discoverable flags.
1040 */
fdf51784 1041 if (instance_flags & MGMT_ADV_FLAG_DISCOV)
b44133ff
AU		 1042 flags |= LE_AD_GENERAL;
1043
fdf51784 1044 if (instance_flags & MGMT_ADV_FLAG_LIMITED_DISCOV)
807ec772
AU		 1045 flags |= LE_AD_LIMITED;
1046
fdf51784 1047 if (flags || (instance_flags & MGMT_ADV_FLAG_MANAGED_FLAGS)) {
67e0c0cd
AU		 1048 /* If a discovery flag wasn't provided, simply use the global
1049 * settings.
1050 */
1051 if (!flags)
1052 flags |= get_adv_discov_flags(hdev);
1053
b44133ff
AU		 1054 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
1055 flags |= LE_AD_NO_BREDR;
1056
fdf51784
AU		 1057 /* If flags would still be empty, then there is no need to
1058 * include the "Flags" AD field".
1059 */
1060 if (flags) {
1061 ptr[0] = 0x02;
1062 ptr[1] = EIR_FLAGS;
1063 ptr[2] = flags;
b44133ff 1064
fdf51784
AU		 1065 ad_len += 3;
1066 ptr += 3;
1067 }
b44133ff
AU		 1068 }
1069
f63ba24b
FG		 1070 if (adv_instance) {
1071 memcpy(ptr, adv_instance->adv_data,
1072 adv_instance->adv_data_len);
1073 ad_len += adv_instance->adv_data_len;
1074 ptr += adv_instance->adv_data_len;
38c8af60
MH		 1075 }
1076
fdf51784 1077 /* Provide Tx Power only if we can provide a valid value for it */
5507e358 1078 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID &&
fdf51784 1079 (instance_flags & MGMT_ADV_FLAG_TX_POWER)) {
5507e358
AU		 1080 ptr[0] = 0x02;
1081 ptr[1] = EIR_TX_POWER;
1082 ptr[2] = (u8)hdev->adv_tx_power;
1083
1084 ad_len += 3;
1085 ptr += 3;
1086 }
1087
b44133ff 1088 return ad_len;
24b4f38f
AU		 1089}
1090
efae002c 1091static void update_inst_adv_data(struct hci_request *req, u8 instance)
441ad2d0
MH		 1092{
1093 struct hci_dev *hdev = req->hdev;
1094 struct hci_cp_le_set_adv_data cp;
1095 u8 len;
1096
d7a5a11d 1097 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
441ad2d0
MH		 1098 return;
1099
1100 memset(&cp, 0, sizeof(cp));
1101
fdf51784 1102 len = create_instance_adv_data(hdev, instance, cp.data);
441ad2d0 1103
24b4f38f 1104 /* There's nothing to do if the data hasn't changed */
441ad2d0
MH		 1105 if (hdev->adv_data_len == len &&
1106 memcmp(cp.data, hdev->adv_data, len) == 0)
1107 return;
1108
1109 memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
1110 hdev->adv_data_len = len;
1111
1112 cp.length = len;
1113
1114 hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
1115}
1116
e7a685d3
AU		 1117static void update_adv_data(struct hci_request *req)
1118{
efae002c 1119 update_inst_adv_data(req, get_current_adv_instance(req->hdev));
24b4f38f
AU		 1120}
1121
bc6d2d04
JH		 1122int mgmt_update_adv_data(struct hci_dev *hdev)
1123{
1124 struct hci_request req;
1125
1126 hci_req_init(&req, hdev);
1127 update_adv_data(&req);
1128
1129 return hci_req_run(&req, NULL);
1130}
1131
ef580372
JH		 1132static void create_eir(struct hci_dev *hdev, u8 *data)
1133{
1134 u8 *ptr = data;
ef580372
JH		 1135 size_t name_len;
1136
1137 name_len = strlen(hdev->dev_name);
1138
1139 if (name_len > 0) {
1140 /* EIR Data type */
1141 if (name_len > 48) {
1142 name_len = 48;
1143 ptr[1] = EIR_NAME_SHORT;
1144 } else
1145 ptr[1] = EIR_NAME_COMPLETE;
1146
1147 /* EIR Data length */
1148 ptr[0] = name_len + 1;
1149
1150 memcpy(ptr + 2, hdev->dev_name, name_len);
1151
ef580372
JH		 1152 ptr += (name_len + 2);
1153 }
1154
bbaf444a 1155 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
91c4e9b1
MH		 1156 ptr[0] = 2;
1157 ptr[1] = EIR_TX_POWER;
1158 ptr[2] = (u8) hdev->inq_tx_power;
1159
91c4e9b1
MH		 1160 ptr += 3;
1161 }
1162
2b9be137
MH		 1163 if (hdev->devid_source > 0) {
1164 ptr[0] = 9;
1165 ptr[1] = EIR_DEVICE_ID;
1166
1167 put_unaligned_le16(hdev->devid_source, ptr + 2);
1168 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
1169 put_unaligned_le16(hdev->devid_product, ptr + 6);
1170 put_unaligned_le16(hdev->devid_version, ptr + 8);
1171
2b9be137
MH		 1172 ptr += 10;
1173 }
1174
213202ed 1175 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
cdf1963f 1176 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
c00d575b 1177 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
ef580372
JH		 1178}
1179
890ea898 1180static void update_eir(struct hci_request *req)
ef580372 1181{
890ea898 1182 struct hci_dev *hdev = req->hdev;
ef580372
JH		 1183 struct hci_cp_write_eir cp;
1184
504c8dcd 1185 if (!hdev_is_powered(hdev))
890ea898 1186 return;
7770c4aa 1187
976eb20e 1188 if (!lmp_ext_inq_capable(hdev))
890ea898 1189 return;
ef580372 1190
d7a5a11d 1191 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
890ea898 1192 return;
ef580372 1193
d7a5a11d 1194 if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
890ea898 1195 return;
ef580372
JH		 1196
1197 memset(&cp, 0, sizeof(cp));
1198
1199 create_eir(hdev, cp.data);
1200
1201 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
890ea898 1202 return;
ef580372
JH		 1203
1204 memcpy(hdev->eir, cp.data, sizeof(cp.data));
1205
890ea898 1206 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
ef580372
JH		 1207}
1208
1209static u8 get_service_classes(struct hci_dev *hdev)
1210{
1211 struct bt_uuid *uuid;
1212 u8 val = 0;
1213
1214 list_for_each_entry(uuid, &hdev->uuids, list)
1215 val |= uuid->svc_hint;
1216
1217 return val;
1218}
1219
890ea898 1220static void update_class(struct hci_request *req)
ef580372 1221{
890ea898 1222 struct hci_dev *hdev = req->hdev;
ef580372
JH		 1223 u8 cod[3];
1224
1225 BT_DBG("%s", hdev->name);
1226
504c8dcd 1227 if (!hdev_is_powered(hdev))
890ea898 1228 return;
7770c4aa 1229
d7a5a11d 1230 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
f87ea1da
JH		 1231 return;
1232
d7a5a11d 1233 if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
890ea898 1234 return;
ef580372
JH		 1235
1236 cod[0] = hdev->minor_class;
1237 cod[1] = hdev->major_class;
1238 cod[2] = get_service_classes(hdev);
1239
d7a5a11d 1240 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
6acd7db4
MH		 1241 cod[1] |= 0x20;
1242
ef580372 1243 if (memcmp(cod, hdev->dev_class, 3) == 0)
890ea898 1244 return;
ef580372 1245
890ea898 1246 hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
ef580372
JH		 1247}
1248
0ec5ae84
JH		 1249static void disable_advertising(struct hci_request *req)
1250{
1251 u8 enable = 0x00;
1252
1253 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1254}
1255
199a2fb1
JH		 1256static void enable_advertising(struct hci_request *req)
1257{
1258 struct hci_dev *hdev = req->hdev;
1259 struct hci_cp_le_set_adv_param cp;
8f2a0601 1260 u8 own_addr_type, enable = 0x01;
a4858cb9 1261 bool connectable;
e7a685d3
AU		 1262 u8 instance;
1263 u32 flags;
199a2fb1 1264
0ec5ae84
JH		 1265 if (hci_conn_num(hdev, LE_LINK) > 0)
1266 return;
1267
d7a5a11d 1268 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
0ec5ae84
JH		 1269 disable_advertising(req);
1270
5ce194c4 1271 /* Clear the HCI_LE_ADV bit temporarily so that the
8d97250e
JH		 1272 * hci_update_random_address knows that it's safe to go ahead
1273 * and write a new random address. The flag will be set back on
1274 * as soon as the SET_ADV_ENABLE HCI command completes.
1275 */
a358dc11 1276 hci_dev_clear_flag(hdev, HCI_LE_ADV);
8d97250e 1277
e7a685d3
AU		 1278 instance = get_current_adv_instance(hdev);
1279 flags = get_adv_instance_flags(hdev, instance);
faccb950
AU		 1280
1281 /* If the "connectable" instance flag was not set, then choose between
1282 * ADV_IND and ADV_NONCONN_IND based on the global connectable setting.
1283 */
1284 connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE) ||
1285 get_connectable(hdev);
8f2a0601 1286
a4858cb9
JH		 1287 /* Set require_privacy to true only when non-connectable
1288 * advertising is used. In that case it is fine to use a
1289 * non-resolvable private address.
1290 */
1291 if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
8f2a0601
JH		 1292 return;
1293
41c90c18 1294 memset(&cp, 0, sizeof(cp));
628531c9
GL		 1295 cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval);
1296 cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval);
c7d4883b
AU		 1297
1298 if (connectable)
1299 cp.type = LE_ADV_IND;
7b683b74 1300 else if (get_cur_adv_instance_scan_rsp_len(hdev))
c7d4883b
AU		 1301 cp.type = LE_ADV_SCAN_IND;
1302 else
1303 cp.type = LE_ADV_NONCONN_IND;
1304
8f2a0601 1305 cp.own_address_type = own_addr_type;
199a2fb1
JH		 1306 cp.channel_map = hdev->le_adv_channel_map;
1307
1308 hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
1309
1310 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1311}
1312
7d78525d
JH		 1313static void service_cache_off(struct work_struct *work)
1314{
1315 struct hci_dev *hdev = container_of(work, struct hci_dev,
04124681 1316 service_cache.work);
890ea898 1317 struct hci_request req;
7d78525d 1318
a69d8927 1319 if (!hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
7d78525d
JH		 1320 return;
1321
890ea898
JH		 1322 hci_req_init(&req, hdev);
1323
7d78525d
JH		 1324 hci_dev_lock(hdev);
1325
890ea898
JH		 1326 update_eir(&req);
1327 update_class(&req);
7d78525d
JH		 1328
1329 hci_dev_unlock(hdev);
890ea898
JH		 1330
1331 hci_req_run(&req, NULL);
7d78525d
JH		 1332}
1333
d6bfd59c
JH		 1334static void rpa_expired(struct work_struct *work)
1335{
1336 struct hci_dev *hdev = container_of(work, struct hci_dev,
1337 rpa_expired.work);
1338 struct hci_request req;
1339
1340 BT_DBG("");
1341
a1536da2 1342 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
d6bfd59c 1343
d7a5a11d 1344 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING))
d6bfd59c
JH		 1345 return;
1346
1347 /* The generation of a new RPA and programming it into the
1348 * controller happens in the enable_advertising() function.
1349 */
d6bfd59c 1350 hci_req_init(&req, hdev);
d6bfd59c 1351 enable_advertising(&req);
d6bfd59c
JH		 1352 hci_req_run(&req, NULL);
1353}
1354
6a919082 1355static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
7d78525d 1356{
238be788 1357 if (hci_dev_test_and_set_flag(hdev, HCI_MGMT))
6a919082
JH		 1358 return;
1359
4f87da80 1360 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
d6bfd59c 1361 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
7d78525d 1362
4f87da80
JH		 1363 /* Non-mgmt controlled devices get this bit set
1364 * implicitly so that pairing works for them, however
1365 * for mgmt we require user-space to explicitly enable
1366 * it
1367 */
a358dc11 1368 hci_dev_clear_flag(hdev, HCI_BONDABLE);
7d78525d
JH		 1369}
1370
0f4e68cf 1371static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
04124681 1372 void *data, u16 data_len)
0381101f 1373{
a38528f1 1374 struct mgmt_rp_read_info rp;
f7b64e69 1375
bdb6d971 1376 BT_DBG("sock %p %s", sk, hdev->name);
f7b64e69 1377
09fd0de5 1378 hci_dev_lock(hdev);
f7b64e69 1379
dc4fe30b
JH		 1380 memset(&rp, 0, sizeof(rp));
1381
69ab39ea 1382 bacpy(&rp.bdaddr, &hdev->bdaddr);
f7b64e69 1383
69ab39ea 1384 rp.version = hdev->hci_ver;
eb55ef07 1385 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
69ab39ea
JH		 1386
1387 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
1388 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
f7b64e69 1389
a38528f1 1390 memcpy(rp.dev_class, hdev->dev_class, 3);
f7b64e69 1391
dc4fe30b 1392 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
27fcc362 1393 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
dc4fe30b 1394
09fd0de5 1395 hci_dev_unlock(hdev);
0381101f 1396
2a1afb5a
JH		 1397 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
1398 sizeof(rp));
0381101f
JH		 1399}
1400
69ab39ea 1401static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
8680570b 1402{
69ab39ea 1403 __le32 settings = cpu_to_le32(get_current_settings(hdev));
8680570b 1404
2a1afb5a
JH		 1405 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &settings,
1406 sizeof(settings));
8680570b
JH		 1407}
1408
1904a853 1409static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode)
8b064a3a
JH		 1410{
1411 BT_DBG("%s status 0x%02x", hdev->name, status);
1412
a3172b7e
JH		 1413 if (hci_conn_count(hdev) == 0) {
1414 cancel_delayed_work(&hdev->power_off);
8b064a3a 1415 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 1416 }
8b064a3a
JH		 1417}
1418
23a48093 1419static bool hci_stop_discovery(struct hci_request *req)
21a60d30
JH		 1420{
1421 struct hci_dev *hdev = req->hdev;
1422 struct hci_cp_remote_name_req_cancel cp;
1423 struct inquiry_entry *e;
1424
1425 switch (hdev->discovery.state) {
1426 case DISCOVERY_FINDING:
07d2334a 1427 if (test_bit(HCI_INQUIRY, &hdev->flags))
21a60d30 1428 hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
07d2334a
JP		 1429
1430 if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
21a60d30
JH		 1431 cancel_delayed_work(&hdev->le_scan_disable);
1432 hci_req_add_le_scan_disable(req);
1433 }
1434
23a48093 1435 return true;
21a60d30
JH		 1436
1437 case DISCOVERY_RESOLVING:
1438 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
1439 NAME_PENDING);
1440 if (!e)
23a48093 1441 break;
21a60d30
JH		 1442
1443 bacpy(&cp.bdaddr, &e->data.bdaddr);
1444 hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
1445 &cp);
1446
23a48093 1447 return true;
21a60d30
JH		 1448
1449 default:
1450 /* Passive scanning */
d7a5a11d 1451 if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
21a60d30 1452 hci_req_add_le_scan_disable(req);
23a48093
JH		 1453 return true;
1454 }
1455
21a60d30
JH		 1456 break;
1457 }
23a48093
JH		 1458
1459 return false;
21a60d30
JH		 1460}
1461
912098a6
AU		 1462static void advertising_added(struct sock *sk, struct hci_dev *hdev,
1463 u8 instance)
1464{
1465 struct mgmt_ev_advertising_added ev;
1466
1467 ev.instance = instance;
1468
1469 mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk);
1470}
1471
1472static void advertising_removed(struct sock *sk, struct hci_dev *hdev,
1473 u8 instance)
1474{
1475 struct mgmt_ev_advertising_removed ev;
1476
1477 ev.instance = instance;
1478
1479 mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk);
1480}
1481
7816b820
FG		 1482static int schedule_adv_instance(struct hci_request *req, u8 instance,
1483 bool force) {
1484 struct hci_dev *hdev = req->hdev;
1485 struct adv_info *adv_instance = NULL;
1486 u16 timeout;
1487
1488 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
1489 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
1490 return -EPERM;
1491
1492 if (hdev->adv_instance_timeout)
1493 return -EBUSY;
1494
1495 adv_instance = hci_find_adv_instance(hdev, instance);
1496 if (!adv_instance)
1497 return -ENOENT;
1498
1499 /* A zero timeout means unlimited advertising. As long as there is
1500 * only one instance, duration should be ignored. We still set a timeout
1501 * in case further instances are being added later on.
1502 *
1503 * If the remaining lifetime of the instance is more than the duration
1504 * then the timeout corresponds to the duration, otherwise it will be
1505 * reduced to the remaining instance lifetime.
1506 */
1507 if (adv_instance->timeout == 0 ||
1508 adv_instance->duration <= adv_instance->remaining_time)
1509 timeout = adv_instance->duration;
1510 else
1511 timeout = adv_instance->remaining_time;
1512
1513 /* The remaining time is being reduced unless the instance is being
1514 * advertised without time limit.
1515 */
1516 if (adv_instance->timeout)
1517 adv_instance->remaining_time =
1518 adv_instance->remaining_time - timeout;
1519
1520 hdev->adv_instance_timeout = timeout;
1521 queue_delayed_work(hdev->workqueue,
1522 &hdev->adv_instance_expire,
1523 msecs_to_jiffies(timeout * 1000));
1524
1525 /* If we're just re-scheduling the same instance again then do not
1526 * execute any HCI commands. This happens when a single instance is
1527 * being advertised.
1528 */
1529 if (!force && hdev->cur_adv_instance == instance &&
1530 hci_dev_test_flag(hdev, HCI_LE_ADV))
1531 return 0;
1532
1533 hdev->cur_adv_instance = instance;
1534 update_adv_data(req);
1535 update_scan_rsp_data(req);
1536 enable_advertising(req);
1537
1538 return 0;
1539}
1540
1541static void cancel_adv_timeout(struct hci_dev *hdev)
1542{
1543 if (hdev->adv_instance_timeout) {
1544 hdev->adv_instance_timeout = 0;
1545 cancel_delayed_work(&hdev->adv_instance_expire);
1546 }
1547}
1548
847818d9
FG		 1549/* For a single instance:
1550 * - force == true: The instance will be removed even when its remaining
1551 * lifetime is not zero.
1552 * - force == false: the instance will be deactivated but kept stored unless
1553 * the remaining lifetime is zero.
1554 *
1555 * For instance == 0x00:
1556 * - force == true: All instances will be removed regardless of their timeout
1557 * setting.
1558 * - force == false: Only instances that have a timeout will be removed.
1559 */
1560static void clear_adv_instance(struct hci_dev *hdev, struct hci_request *req,
1561 u8 instance, bool force)
912098a6 1562{
847818d9
FG		 1563 struct adv_info *adv_instance, *n, *next_instance = NULL;
1564 int err;
1565 u8 rem_inst;
912098a6 1566
847818d9
FG		 1567 /* Cancel any timeout concerning the removed instance(s). */
1568 if (!instance || hdev->cur_adv_instance == instance)
1569 cancel_adv_timeout(hdev);
912098a6 1570
847818d9
FG		 1571 /* Get the next instance to advertise BEFORE we remove
1572 * the current one. This can be the same instance again
1573 * if there is only one instance.
1574 */
1575 if (instance && hdev->cur_adv_instance == instance)
1576 next_instance = hci_get_next_instance(hdev, instance);
912098a6 1577
847818d9
FG		 1578 if (instance == 0x00) {
1579 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances,
1580 list) {
1581 if (!(force || adv_instance->timeout))
1582 continue;
912098a6 1583
847818d9
FG		 1584 rem_inst = adv_instance->instance;
1585 err = hci_remove_adv_instance(hdev, rem_inst);
1586 if (!err)
1587 advertising_removed(NULL, hdev, rem_inst);
1588 }
1589 hdev->cur_adv_instance = 0x00;
1590 } else {
1591 adv_instance = hci_find_adv_instance(hdev, instance);
1592
1593 if (force || (adv_instance && adv_instance->timeout &&
1594 !adv_instance->remaining_time)) {
1595 /* Don't advertise a removed instance. */
1596 if (next_instance &&
1597 next_instance->instance == instance)
1598 next_instance = NULL;
1599
1600 err = hci_remove_adv_instance(hdev, instance);
1601 if (!err)
1602 advertising_removed(NULL, hdev, instance);
1603 }
1604 }
1605
1606 if (list_empty(&hdev->adv_instances)) {
1607 hdev->cur_adv_instance = 0x00;
1608 hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
1609 }
1610
1611 if (!req || !hdev_is_powered(hdev) ||
912098a6
AU		 1612 hci_dev_test_flag(hdev, HCI_ADVERTISING))
1613 return;
1614
847818d9
FG		 1615 if (next_instance)
1616 schedule_adv_instance(req, next_instance->instance, false);
912098a6
AU		 1617}
1618
8b064a3a
JH		 1619static int clean_up_hci_state(struct hci_dev *hdev)
1620{
1621 struct hci_request req;
1622 struct hci_conn *conn;
23a48093
JH		 1623 bool discov_stopped;
1624 int err;
8b064a3a
JH		 1625
1626 hci_req_init(&req, hdev);
1627
1628 if (test_bit(HCI_ISCAN, &hdev->flags) ||
1629 test_bit(HCI_PSCAN, &hdev->flags)) {
1630 u8 scan = 0x00;
1631 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1632 }
1633
847818d9 1634 clear_adv_instance(hdev, NULL, 0x00, false);
912098a6 1635
d7a5a11d 1636 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
8b064a3a
JH		 1637 disable_advertising(&req);
1638
23a48093 1639 discov_stopped = hci_stop_discovery(&req);
8b064a3a
JH		 1640
1641 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
1642 struct hci_cp_disconnect dc;
c9910d0f
JH		 1643 struct hci_cp_reject_conn_req rej;
1644
1645 switch (conn->state) {
1646 case BT_CONNECTED:
1647 case BT_CONFIG:
1648 dc.handle = cpu_to_le16(conn->handle);
1649 dc.reason = 0x15; /* Terminated due to Power Off */
1650 hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1651 break;
1652 case BT_CONNECT:
1653 if (conn->type == LE_LINK)
1654 hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL,
1655 0, NULL);
1656 else if (conn->type == ACL_LINK)
1657 hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL,
1658 6, &conn->dst);
1659 break;
1660 case BT_CONNECT2:
1661 bacpy(&rej.bdaddr, &conn->dst);
1662 rej.reason = 0x15; /* Terminated due to Power Off */
1663 if (conn->type == ACL_LINK)
1664 hci_req_add(&req, HCI_OP_REJECT_CONN_REQ,
1665 sizeof(rej), &rej);
1666 else if (conn->type == SCO_LINK)
1667 hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ,
1668 sizeof(rej), &rej);
1669 break;
1670 }
8b064a3a
JH		 1671 }
1672
23a48093
JH		 1673 err = hci_req_run(&req, clean_up_hci_complete);
1674 if (!err && discov_stopped)
1675 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
1676
1677 return err;
8b064a3a
JH		 1678}
1679
bdb6d971 1680static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1681 u16 len)
eec8d2bc 1682{
650f726d 1683 struct mgmt_mode *cp = data;
3b0602cd 1684 struct mgmt_pending_cmd *cmd;
4b34ee78 1685 int err;
eec8d2bc 1686
bdb6d971 1687 BT_DBG("request for %s", hdev->name);
eec8d2bc 1688
a7e80f25 1689 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 1690 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1691 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1692
09fd0de5 1693 hci_dev_lock(hdev);
eec8d2bc 1694
333ae95d 1695 if (pending_find(MGMT_OP_SET_POWERED, hdev)) {
a69e8375
JH		 1696 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1697 MGMT_STATUS_BUSY);
87b95ba6
JH		 1698 goto failed;
1699 }
1700
a69d8927 1701 if (hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF)) {
f0d4b78a
MH		 1702 cancel_delayed_work(&hdev->power_off);
1703
1704 if (cp->val) {
a1d70450
JH		 1705 mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
1706 data, len);
1707 err = mgmt_powered(hdev, 1);
f0d4b78a
MH		 1708 goto failed;
1709 }
1710 }
1711
4b34ee78 1712 if (!!cp->val == hdev_is_powered(hdev)) {
69ab39ea 1713 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
eec8d2bc
JH		 1714 goto failed;
1715 }
1716
2e58ef3e 1717 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
366a0336
JH		 1718 if (!cmd) {
1719 err = -ENOMEM;
eec8d2bc 1720 goto failed;
366a0336 1721 }
eec8d2bc 1722
8b064a3a 1723 if (cp->val) {
19202573 1724 queue_work(hdev->req_workqueue, &hdev->power_on);
8b064a3a
JH		 1725 err = 0;
1726 } else {
1727 /* Disconnect connections, stop scans, etc */
1728 err = clean_up_hci_state(hdev);
a3172b7e
JH		 1729 if (!err)
1730 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
1731 HCI_POWER_OFF_TIMEOUT);
eec8d2bc 1732
8b064a3a
JH		 1733 /* ENODATA means there were no HCI commands queued */
1734 if (err == -ENODATA) {
a3172b7e 1735 cancel_delayed_work(&hdev->power_off);
8b064a3a
JH		 1736 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1737 err = 0;
1738 }
1739 }
eec8d2bc
JH		 1740
1741failed:
09fd0de5 1742 hci_dev_unlock(hdev);
366a0336 1743 return err;
eec8d2bc
JH		 1744}
1745
beadb2bd
JH		 1746static int new_settings(struct hci_dev *hdev, struct sock *skip)
1747{
f6b7712e 1748 __le32 ev = cpu_to_le32(get_current_settings(hdev));
beadb2bd 1749
f6b7712e
MH		 1750 return mgmt_generic_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
1751 sizeof(ev), skip);
beadb2bd
JH		 1752}
1753
91a668b0
JH		 1754int mgmt_new_settings(struct hci_dev *hdev)
1755{
1756 return new_settings(hdev, NULL);
1757}
1758
bd99abdd
JH		 1759struct cmd_lookup {
1760 struct sock *sk;
1761 struct hci_dev *hdev;
1762 u8 mgmt_status;
1763};
1764
3b0602cd 1765static void settings_rsp(struct mgmt_pending_cmd *cmd, void *data)
bd99abdd
JH		 1766{
1767 struct cmd_lookup *match = data;
1768
1769 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1770
1771 list_del(&cmd->list);
1772
1773 if (match->sk == NULL) {
1774 match->sk = cmd->sk;
1775 sock_hold(match->sk);
1776 }
1777
1778 mgmt_pending_free(cmd);
1779}
1780
3b0602cd 1781static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data)
bd99abdd
JH		 1782{
1783 u8 *status = data;
1784
a69e8375 1785 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
bd99abdd
JH		 1786 mgmt_pending_remove(cmd);
1787}
1788
3b0602cd 1789static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data)
1b9b5ee5
JH		 1790{
1791 if (cmd->cmd_complete) {
1792 u8 *status = data;
1793
1794 cmd->cmd_complete(cmd, *status);
1795 mgmt_pending_remove(cmd);
1796
1797 return;
1798 }
1799
1800 cmd_status_rsp(cmd, data);
1801}
1802
3b0602cd 1803static int generic_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
f5818c22 1804{
2a1afb5a
JH		 1805 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1806 cmd->param, cmd->param_len);
f5818c22
JH		 1807}
1808
3b0602cd 1809static int addr_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
7776d1d8 1810{
2a1afb5a
JH		 1811 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1812 cmd->param, sizeof(struct mgmt_addr_info));
7776d1d8
JH		 1813}
1814
e6fe7986
JH		 1815static u8 mgmt_bredr_support(struct hci_dev *hdev)
1816{
1817 if (!lmp_bredr_capable(hdev))
1818 return MGMT_STATUS_NOT_SUPPORTED;
d7a5a11d 1819 else if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
e6fe7986
JH		 1820 return MGMT_STATUS_REJECTED;
1821 else
1822 return MGMT_STATUS_SUCCESS;
1823}
1824
1825static u8 mgmt_le_support(struct hci_dev *hdev)
1826{
1827 if (!lmp_le_capable(hdev))
1828 return MGMT_STATUS_NOT_SUPPORTED;
d7a5a11d 1829 else if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
e6fe7986
JH		 1830 return MGMT_STATUS_REJECTED;
1831 else
1832 return MGMT_STATUS_SUCCESS;
1833}
1834
1904a853
MH		 1835static void set_discoverable_complete(struct hci_dev *hdev, u8 status,
1836 u16 opcode)
bfaf8c9f 1837{
3b0602cd 1838 struct mgmt_pending_cmd *cmd;
bfaf8c9f 1839 struct mgmt_mode *cp;
970ba524 1840 struct hci_request req;
bfaf8c9f
JH		 1841 bool changed;
1842
1843 BT_DBG("status 0x%02x", status);
1844
1845 hci_dev_lock(hdev);
1846
333ae95d 1847 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
bfaf8c9f
JH		 1848 if (!cmd)
1849 goto unlock;
1850
1851 if (status) {
1852 u8 mgmt_err = mgmt_status(status);
a69e8375 1853 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
a358dc11 1854 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
bfaf8c9f
JH		 1855 goto remove_cmd;
1856 }
1857
1858 cp = cmd->param;
d4462a07 1859 if (cp->val) {
238be788 1860 changed = !hci_dev_test_and_set_flag(hdev, HCI_DISCOVERABLE);
d4462a07
MH		 1861
1862 if (hdev->discov_timeout > 0) {
1863 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1864 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
1865 to);
1866 }
1867 } else {
a69d8927 1868 changed = hci_dev_test_and_clear_flag(hdev, HCI_DISCOVERABLE);
d4462a07 1869 }
bfaf8c9f
JH		 1870
1871 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1872
1873 if (changed)
1874 new_settings(hdev, cmd->sk);
1875
970ba524
MH		 1876 /* When the discoverable mode gets changed, make sure
1877 * that class of device has the limited discoverable
432df05e
JH		 1878 * bit correctly set. Also update page scan based on whitelist
1879 * entries.
970ba524
MH		 1880 */
1881 hci_req_init(&req, hdev);
1d2dc5b7 1882 __hci_update_page_scan(&req);
970ba524
MH		 1883 update_class(&req);
1884 hci_req_run(&req, NULL);
1885
bfaf8c9f
JH		 1886remove_cmd:
1887 mgmt_pending_remove(cmd);
1888
1889unlock:
1890 hci_dev_unlock(hdev);
1891}
1892
bdb6d971 1893static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1894 u16 len)
73f22f62 1895{
650f726d 1896 struct mgmt_cp_set_discoverable *cp = data;
3b0602cd 1897 struct mgmt_pending_cmd *cmd;
bfaf8c9f 1898 struct hci_request req;
5e5282bb 1899 u16 timeout;
9a43e25f 1900 u8 scan;
73f22f62
JH		 1901 int err;
1902
bdb6d971 1903 BT_DBG("request for %s", hdev->name);
73f22f62 1904
d7a5a11d
MH		 1905 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
1906 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
a69e8375
JH		 1907 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1908 MGMT_STATUS_REJECTED);
33c525c0 1909
310a3d48 1910 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 1911 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1912 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 1913
1f350c87 1914 timeout = __le16_to_cpu(cp->timeout);
310a3d48
MH		 1915
1916 /* Disabling discoverable requires that no timeout is set,
1917 * and enabling limited discoverable requires a timeout.
1918 */
1919 if ((cp->val == 0x00 && timeout > 0) ||
1920 (cp->val == 0x02 && timeout == 0))
a69e8375
JH		 1921 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1922 MGMT_STATUS_INVALID_PARAMS);
73f22f62 1923
09fd0de5 1924 hci_dev_lock(hdev);
73f22f62 1925
5e5282bb 1926 if (!hdev_is_powered(hdev) && timeout > 0) {
a69e8375
JH		 1927 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1928 MGMT_STATUS_NOT_POWERED);
73f22f62
JH		 1929 goto failed;
1930 }
1931
333ae95d
JH		 1932 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
1933 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
a69e8375
JH		 1934 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1935 MGMT_STATUS_BUSY);
73f22f62
JH		 1936 goto failed;
1937 }
1938
d7a5a11d 1939 if (!hci_dev_test_flag(hdev, HCI_CONNECTABLE)) {
a69e8375
JH		 1940 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1941 MGMT_STATUS_REJECTED);
5e5282bb
JH		 1942 goto failed;
1943 }
1944
1945 if (!hdev_is_powered(hdev)) {
0224d2fa
JH		 1946 bool changed = false;
1947
310a3d48
MH		 1948 /* Setting limited discoverable when powered off is
1949 * not a valid operation since it requires a timeout
1950 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1951 */
d7a5a11d 1952 if (!!cp->val != hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) {
ce05d603 1953 hci_dev_change_flag(hdev, HCI_DISCOVERABLE);
0224d2fa
JH		 1954 changed = true;
1955 }
1956
5e5282bb 1957 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
0224d2fa
JH		 1958 if (err < 0)
1959 goto failed;
1960
1961 if (changed)
1962 err = new_settings(hdev, sk);
1963
5e5282bb
JH		 1964 goto failed;
1965 }
1966
310a3d48
MH		 1967 /* If the current mode is the same, then just update the timeout
1968 * value with the new value. And if only the timeout gets updated,
1969 * then no need for any HCI transactions.
1970 */
d7a5a11d
MH		 1971 if (!!cp->val == hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
1972 (cp->val == 0x02) == hci_dev_test_flag(hdev,
1973 HCI_LIMITED_DISCOVERABLE)) {
36261547
MH		 1974 cancel_delayed_work(&hdev->discov_off);
1975 hdev->discov_timeout = timeout;
955638ec 1976
36261547
MH		 1977 if (cp->val && hdev->discov_timeout > 0) {
1978 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
955638ec 1979 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
36261547 1980 to);
955638ec
MH		 1981 }
1982
69ab39ea 1983 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
73f22f62
JH		 1984 goto failed;
1985 }
1986
2e58ef3e 1987 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
366a0336
JH		 1988 if (!cmd) {
1989 err = -ENOMEM;
73f22f62 1990 goto failed;
366a0336 1991 }
73f22f62 1992
310a3d48
MH		 1993 /* Cancel any potential discoverable timeout that might be
1994 * still active and store new timeout value. The arming of
1995 * the timeout happens in the complete handler.
1996 */
1997 cancel_delayed_work(&hdev->discov_off);
1998 hdev->discov_timeout = timeout;
1999
b456f87c
JH		 2000 /* Limited discoverable mode */
2001 if (cp->val == 0x02)
a1536da2 2002 hci_dev_set_flag(hdev, HCI_LIMITED_DISCOVERABLE);
b456f87c 2003 else
a358dc11 2004 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
b456f87c 2005
bfaf8c9f
JH		 2006 hci_req_init(&req, hdev);
2007
9a43e25f
JH		 2008 /* The procedure for LE-only controllers is much simpler - just
2009 * update the advertising data.
2010 */
d7a5a11d 2011 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
9a43e25f
JH		 2012 goto update_ad;
2013
73f22f62
JH		 2014 scan = SCAN_PAGE;
2015
310a3d48
MH		 2016 if (cp->val) {
2017 struct hci_cp_write_current_iac_lap hci_cp;
2018
2019 if (cp->val == 0x02) {
2020 /* Limited discoverable mode */
33337dcb 2021 hci_cp.num_iac = min_t(u8, hdev->num_iac, 2);
310a3d48
MH		 2022 hci_cp.iac_lap[0] = 0x00; /* LIAC */
2023 hci_cp.iac_lap[1] = 0x8b;
2024 hci_cp.iac_lap[2] = 0x9e;
2025 hci_cp.iac_lap[3] = 0x33; /* GIAC */
2026 hci_cp.iac_lap[4] = 0x8b;
2027 hci_cp.iac_lap[5] = 0x9e;
2028 } else {
2029 /* General discoverable mode */
310a3d48
MH		 2030 hci_cp.num_iac = 1;
2031 hci_cp.iac_lap[0] = 0x33; /* GIAC */
2032 hci_cp.iac_lap[1] = 0x8b;
2033 hci_cp.iac_lap[2] = 0x9e;
2034 }
2035
2036 hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP,
2037 (hci_cp.num_iac * 3) + 1, &hci_cp);
2038
73f22f62 2039 scan |= SCAN_INQUIRY;
310a3d48 2040 } else {
a358dc11 2041 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
310a3d48 2042 }
73f22f62 2043
310a3d48 2044 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
bfaf8c9f 2045
9a43e25f
JH		 2046update_ad:
2047 update_adv_data(&req);
2048
bfaf8c9f 2049 err = hci_req_run(&req, set_discoverable_complete);
73f22f62 2050 if (err < 0)
a664b5bc 2051 mgmt_pending_remove(cmd);
73f22f62
JH		 2052
2053failed:
09fd0de5 2054 hci_dev_unlock(hdev);
73f22f62
JH		 2055 return err;
2056}
2057
406d7804
JH		 2058static void write_fast_connectable(struct hci_request *req, bool enable)
2059{
bd98b996 2060 struct hci_dev *hdev = req->hdev;
406d7804
JH		 2061 struct hci_cp_write_page_scan_activity acp;
2062 u8 type;
2063
d7a5a11d 2064 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
547003b1
JH		 2065 return;
2066
4c01f8b8
JH		 2067 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
2068 return;
2069
406d7804
JH		 2070 if (enable) {
2071 type = PAGE_SCAN_TYPE_INTERLACED;
2072
2073 /* 160 msec page scan interval */
dcf4adbf 2074 acp.interval = cpu_to_le16(0x0100);
406d7804
JH		 2075 } else {
2076 type = PAGE_SCAN_TYPE_STANDARD; /* default */
2077
2078 /* default 1.28 sec page scan */
dcf4adbf 2079 acp.interval = cpu_to_le16(0x0800);
406d7804
JH		 2080 }
2081
dcf4adbf 2082 acp.window = cpu_to_le16(0x0012);
406d7804 2083
bd98b996
JH		 2084 if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
2085 __cpu_to_le16(hdev->page_scan_window) != acp.window)
2086 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
2087 sizeof(acp), &acp);
2088
2089 if (hdev->page_scan_type != type)
2090 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
406d7804
JH		 2091}
2092
1904a853
MH		 2093static void set_connectable_complete(struct hci_dev *hdev, u8 status,
2094 u16 opcode)
2b76f453 2095{
3b0602cd 2096 struct mgmt_pending_cmd *cmd;
d7b856f9 2097 struct mgmt_mode *cp;
bc6d2d04 2098 bool conn_changed, discov_changed;
2b76f453
JH		 2099
2100 BT_DBG("status 0x%02x", status);
2101
2102 hci_dev_lock(hdev);
2103
333ae95d 2104 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
2b76f453
JH		 2105 if (!cmd)
2106 goto unlock;
2107
37438c1f
JH		 2108 if (status) {
2109 u8 mgmt_err = mgmt_status(status);
a69e8375 2110 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
37438c1f
JH		 2111 goto remove_cmd;
2112 }
2113
d7b856f9 2114 cp = cmd->param;
bc6d2d04 2115 if (cp->val) {
238be788
MH		 2116 conn_changed = !hci_dev_test_and_set_flag(hdev,
2117 HCI_CONNECTABLE);
bc6d2d04
JH		 2118 discov_changed = false;
2119 } else {
a69d8927
MH		 2120 conn_changed = hci_dev_test_and_clear_flag(hdev,
2121 HCI_CONNECTABLE);
2122 discov_changed = hci_dev_test_and_clear_flag(hdev,
2123 HCI_DISCOVERABLE);
bc6d2d04 2124 }
d7b856f9 2125
2b76f453
JH		 2126 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
2127
bc6d2d04 2128 if (conn_changed || discov_changed) {
d7b856f9 2129 new_settings(hdev, cmd->sk);
1d2dc5b7 2130 hci_update_page_scan(hdev);
bc6d2d04
JH		 2131 if (discov_changed)
2132 mgmt_update_adv_data(hdev);
2b7be33e
JH		 2133 hci_update_background_scan(hdev);
2134 }
d7b856f9 2135
37438c1f 2136remove_cmd:
2b76f453
JH		 2137 mgmt_pending_remove(cmd);
2138
2139unlock:
2140 hci_dev_unlock(hdev);
2141}
2142
e8ba3a1f
JH		 2143static int set_connectable_update_settings(struct hci_dev *hdev,
2144 struct sock *sk, u8 val)
2145{
2146 bool changed = false;
2147 int err;
2148
d7a5a11d 2149 if (!!val != hci_dev_test_flag(hdev, HCI_CONNECTABLE))
e8ba3a1f
JH		 2150 changed = true;
2151
2152 if (val) {
a1536da2 2153 hci_dev_set_flag(hdev, HCI_CONNECTABLE);
e8ba3a1f 2154 } else {
a358dc11
MH		 2155 hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
2156 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
e8ba3a1f
JH		 2157 }
2158
2159 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
2160 if (err < 0)
2161 return err;
2162
562064e6 2163 if (changed) {
1d2dc5b7 2164 hci_update_page_scan(hdev);
562064e6 2165 hci_update_background_scan(hdev);
e8ba3a1f 2166 return new_settings(hdev, sk);
562064e6 2167 }
e8ba3a1f
JH		 2168
2169 return 0;
2170}
2171
bdb6d971 2172static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2173 u16 len)
9fbcbb45 2174{
650f726d 2175 struct mgmt_mode *cp = data;
3b0602cd 2176 struct mgmt_pending_cmd *cmd;
2b76f453 2177 struct hci_request req;
1987fdc7 2178 u8 scan;
9fbcbb45
JH		 2179 int err;
2180
bdb6d971 2181 BT_DBG("request for %s", hdev->name);
9fbcbb45 2182
d7a5a11d
MH		 2183 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
2184 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
a69e8375
JH		 2185 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2186 MGMT_STATUS_REJECTED);
33c525c0 2187
a7e80f25 2188 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2189 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2190 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2191
09fd0de5 2192 hci_dev_lock(hdev);
9fbcbb45 2193
4b34ee78 2194 if (!hdev_is_powered(hdev)) {
e8ba3a1f 2195 err = set_connectable_update_settings(hdev, sk, cp->val);
9fbcbb45
JH		 2196 goto failed;
2197 }
2198
333ae95d
JH		 2199 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
2200 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
a69e8375
JH		 2201 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2202 MGMT_STATUS_BUSY);
9fbcbb45
JH		 2203 goto failed;
2204 }
2205
2e58ef3e 2206 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
366a0336
JH		 2207 if (!cmd) {
2208 err = -ENOMEM;
9fbcbb45 2209 goto failed;
366a0336 2210 }
9fbcbb45 2211
9b74246f 2212 hci_req_init(&req, hdev);
9fbcbb45 2213
9a43e25f
JH		 2214 /* If BR/EDR is not enabled and we disable advertising as a
2215 * by-product of disabling connectable, we need to update the
2216 * advertising flags.
2217 */
d7a5a11d 2218 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
9a43e25f 2219 if (!cp->val) {
a358dc11
MH		 2220 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
2221 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
9a43e25f
JH		 2222 }
2223 update_adv_data(&req);
2224 } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
9b74246f
JH		 2225 if (cp->val) {
2226 scan = SCAN_PAGE;
2227 } else {
3bd27240
JH		 2228 /* If we don't have any whitelist entries just
2229 * disable all scanning. If there are entries
2230 * and we had both page and inquiry scanning
2231 * enabled then fall back to only page scanning.
2232 * Otherwise no changes are needed.
2233 */
2234 if (list_empty(&hdev->whitelist))
2235 scan = SCAN_DISABLED;
2236 else if (test_bit(HCI_ISCAN, &hdev->flags))
2237 scan = SCAN_PAGE;
2238 else
2239 goto no_scan_update;
9b74246f
JH		 2240
2241 if (test_bit(HCI_ISCAN, &hdev->flags) &&
8d6083fe 2242 hdev->discov_timeout > 0)
9b74246f
JH		 2243 cancel_delayed_work(&hdev->discov_off);
2244 }
2b76f453 2245
9b74246f
JH		 2246 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
2247 }
2b76f453 2248
3bd27240 2249no_scan_update:
e8b1202c 2250 /* Update the advertising parameters if necessary */
880897d4
AU		 2251 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
2252 hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
1987fdc7 2253 enable_advertising(&req);
1987fdc7 2254
2b76f453 2255 err = hci_req_run(&req, set_connectable_complete);
9b74246f 2256 if (err < 0) {
a664b5bc 2257 mgmt_pending_remove(cmd);
9b74246f 2258 if (err == -ENODATA)
a81070ba
JH		 2259 err = set_connectable_update_settings(hdev, sk,
2260 cp->val);
9b74246f
JH		 2261 goto failed;
2262 }
9fbcbb45
JH		 2263
2264failed:
09fd0de5 2265 hci_dev_unlock(hdev);
9fbcbb45
JH		 2266 return err;
2267}
2268
b2939475 2269static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2270 u16 len)
c542a06c 2271{
650f726d 2272 struct mgmt_mode *cp = data;
55594356 2273 bool changed;
c542a06c
JH		 2274 int err;
2275
bdb6d971 2276 BT_DBG("request for %s", hdev->name);
c542a06c 2277
a7e80f25 2278 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2279 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
2280 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2281
09fd0de5 2282 hci_dev_lock(hdev);
c542a06c
JH		 2283
2284 if (cp->val)
238be788 2285 changed = !hci_dev_test_and_set_flag(hdev, HCI_BONDABLE);
c542a06c 2286 else
a69d8927 2287 changed = hci_dev_test_and_clear_flag(hdev, HCI_BONDABLE);
c542a06c 2288
b2939475 2289 err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
c542a06c 2290 if (err < 0)
55594356 2291 goto unlock;
c542a06c 2292
55594356
MH		 2293 if (changed)
2294 err = new_settings(hdev, sk);
c542a06c 2295
55594356 2296unlock:
09fd0de5 2297 hci_dev_unlock(hdev);
c542a06c
JH		 2298 return err;
2299}
2300
04124681
GP		 2301static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
2302 u16 len)
33ef95ed
JH		 2303{
2304 struct mgmt_mode *cp = data;
3b0602cd 2305 struct mgmt_pending_cmd *cmd;
e6fe7986 2306 u8 val, status;
33ef95ed
JH		 2307 int err;
2308
bdb6d971 2309 BT_DBG("request for %s", hdev->name);
33ef95ed 2310
e6fe7986
JH		 2311 status = mgmt_bredr_support(hdev);
2312 if (status)
a69e8375
JH		 2313 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2314 status);
33c525c0 2315
a7e80f25 2316 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2317 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2318 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2319
33ef95ed
JH		 2320 hci_dev_lock(hdev);
2321
4b34ee78 2322 if (!hdev_is_powered(hdev)) {
47990ea0
JH		 2323 bool changed = false;
2324
d7a5a11d 2325 if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) {
ce05d603 2326 hci_dev_change_flag(hdev, HCI_LINK_SECURITY);
47990ea0
JH		 2327 changed = true;
2328 }
2329
2330 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2331 if (err < 0)
2332 goto failed;
2333
2334 if (changed)
2335 err = new_settings(hdev, sk);
2336
33ef95ed
JH		 2337 goto failed;
2338 }
2339
333ae95d 2340 if (pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
a69e8375
JH		 2341 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2342 MGMT_STATUS_BUSY);
33ef95ed
JH		 2343 goto failed;
2344 }
2345
2346 val = !!cp->val;
2347
2348 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
2349 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2350 goto failed;
2351 }
2352
2353 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
2354 if (!cmd) {
2355 err = -ENOMEM;
2356 goto failed;
2357 }
2358
2359 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
2360 if (err < 0) {
2361 mgmt_pending_remove(cmd);
2362 goto failed;
2363 }
2364
2365failed:
2366 hci_dev_unlock(hdev);
33ef95ed
JH		 2367 return err;
2368}
2369
bdb6d971 2370static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH		 2371{
2372 struct mgmt_mode *cp = data;
3b0602cd 2373 struct mgmt_pending_cmd *cmd;
72ef0c1a 2374 u8 status;
ed2c4ee3
JH		 2375 int err;
2376
bdb6d971 2377 BT_DBG("request for %s", hdev->name);
ed2c4ee3 2378
cdba5281
MH		 2379 status = mgmt_bredr_support(hdev);
2380 if (status)
a69e8375 2381 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
cdba5281 2382
13ecd8b6 2383 if (!lmp_ssp_capable(hdev))
a69e8375
JH		 2384 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2385 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 2386
a7e80f25 2387 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2388 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2389 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2390
13ecd8b6 2391 hci_dev_lock(hdev);
6c8f12c1 2392
4b34ee78 2393 if (!hdev_is_powered(hdev)) {
9ecb3e24 2394 bool changed;
c0ecddc2 2395
9ecb3e24 2396 if (cp->val) {
238be788
MH		 2397 changed = !hci_dev_test_and_set_flag(hdev,
2398 HCI_SSP_ENABLED);
9ecb3e24 2399 } else {
a69d8927
MH		 2400 changed = hci_dev_test_and_clear_flag(hdev,
2401 HCI_SSP_ENABLED);
9ecb3e24 2402 if (!changed)
a69d8927
MH		 2403 changed = hci_dev_test_and_clear_flag(hdev,
2404 HCI_HS_ENABLED);
9ecb3e24 2405 else
a358dc11 2406 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
c0ecddc2
JH		 2407 }
2408
2409 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2410 if (err < 0)
2411 goto failed;
2412
2413 if (changed)
2414 err = new_settings(hdev, sk);
2415
ed2c4ee3
JH		 2416 goto failed;
2417 }
2418
333ae95d 2419 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
a69e8375
JH		 2420 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2421 MGMT_STATUS_BUSY);
ed2c4ee3
JH		 2422 goto failed;
2423 }
2424
d7a5a11d 2425 if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
ed2c4ee3
JH		 2426 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2427 goto failed;
2428 }
2429
2430 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
2431 if (!cmd) {
2432 err = -ENOMEM;
2433 goto failed;
2434 }
2435
d7a5a11d 2436 if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 2437 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
2438 sizeof(cp->val), &cp->val);
2439
72ef0c1a 2440 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
ed2c4ee3
JH		 2441 if (err < 0) {
2442 mgmt_pending_remove(cmd);
2443 goto failed;
2444 }
2445
2446failed:
2447 hci_dev_unlock(hdev);
ed2c4ee3
JH		 2448 return err;
2449}
2450
bdb6d971 2451static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH		 2452{
2453 struct mgmt_mode *cp = data;
ee392693 2454 bool changed;
e6fe7986 2455 u8 status;
ee392693 2456 int err;
6d80dfd0 2457
bdb6d971 2458 BT_DBG("request for %s", hdev->name);
6d80dfd0 2459
e6fe7986
JH		 2460 status = mgmt_bredr_support(hdev);
2461 if (status)
a69e8375 2462 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
6d80dfd0 2463
9ecb3e24 2464 if (!lmp_ssp_capable(hdev))
a69e8375
JH		 2465 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2466 MGMT_STATUS_NOT_SUPPORTED);
9ecb3e24 2467
d7a5a11d 2468 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 2469 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2470 MGMT_STATUS_REJECTED);
9ecb3e24 2471
a7e80f25 2472 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2473 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2474 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2475
ee392693
MH		 2476 hci_dev_lock(hdev);
2477
333ae95d 2478 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
a69e8375
JH		 2479 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2480 MGMT_STATUS_BUSY);
a2cb01de
JH		 2481 goto unlock;
2482 }
2483
a0cdf960 2484 if (cp->val) {
238be788 2485 changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED);
a0cdf960
MH		 2486 } else {
2487 if (hdev_is_powered(hdev)) {
a69e8375
JH		 2488 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2489 MGMT_STATUS_REJECTED);
a0cdf960
MH		 2490 goto unlock;
2491 }
2492
a69d8927 2493 changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED);
a0cdf960 2494 }
ee392693
MH		 2495
2496 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
2497 if (err < 0)
2498 goto unlock;
2499
2500 if (changed)
2501 err = new_settings(hdev, sk);
6d80dfd0 2502
ee392693
MH		 2503unlock:
2504 hci_dev_unlock(hdev);
2505 return err;
6d80dfd0
JH		 2506}
2507
1904a853 2508static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
416a4ae5
JH		 2509{
2510 struct cmd_lookup match = { NULL, hdev };
2511
3ad67582
JK		 2512 hci_dev_lock(hdev);
2513
416a4ae5
JH		 2514 if (status) {
2515 u8 mgmt_err = mgmt_status(status);
2516
2517 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
2518 &mgmt_err);
3ad67582 2519 goto unlock;
416a4ae5
JH		 2520 }
2521
2522 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
2523
2524 new_settings(hdev, match.sk);
2525
2526 if (match.sk)
2527 sock_put(match.sk);
441ad2d0
MH		 2528
2529 /* Make sure the controller has a good default for
2530 * advertising data. Restrict the update to when LE
2531 * has actually been enabled. During power on, the
2532 * update in powered_update_hci will take care of it.
2533 */
d7a5a11d 2534 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
441ad2d0
MH		 2535 struct hci_request req;
2536
441ad2d0 2537 hci_req_init(&req, hdev);
5947f4bc 2538 update_adv_data(&req);
f14d8f64 2539 update_scan_rsp_data(&req);
2cf22218 2540 __hci_update_background_scan(&req);
441ad2d0 2541 hci_req_run(&req, NULL);
441ad2d0 2542 }
3ad67582
JK		 2543
2544unlock:
2545 hci_dev_unlock(hdev);
416a4ae5
JH		 2546}
2547
bdb6d971 2548static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH		 2549{
2550 struct mgmt_mode *cp = data;
2551 struct hci_cp_write_le_host_supported hci_cp;
3b0602cd 2552 struct mgmt_pending_cmd *cmd;
416a4ae5 2553 struct hci_request req;
06199cf8 2554 int err;
0b60eba1 2555 u8 val, enabled;
06199cf8 2556
bdb6d971 2557 BT_DBG("request for %s", hdev->name);
06199cf8 2558
13ecd8b6 2559 if (!lmp_le_capable(hdev))
a69e8375
JH		 2560 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2561 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 2562
a7e80f25 2563 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 2564 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2565 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 2566
e7844ee5
MH		 2567 /* Bluetooth single mode LE only controllers or dual-mode
2568 * controllers configured as LE only devices, do not allow
2569 * switching LE off. These have either LE enabled explicitly
2570 * or BR/EDR has been previously switched off.
2571 *
2572 * When trying to enable an already enabled LE, then gracefully
2573 * send a positive response. Trying to disable it however will
2574 * result into rejection.
2575 */
2576 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
2577 if (cp->val == 0x01)
2578 return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2579
a69e8375
JH		 2580 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2581 MGMT_STATUS_REJECTED);
e7844ee5 2582 }
c73eee91 2583
13ecd8b6 2584 hci_dev_lock(hdev);
06199cf8
JH		 2585
2586 val = !!cp->val;
ffa88e02 2587 enabled = lmp_host_le_capable(hdev);
06199cf8 2588
847818d9
FG		 2589 if (!val)
2590 clear_adv_instance(hdev, NULL, 0x00, true);
2591
0b60eba1 2592 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH		 2593 bool changed = false;
2594
d7a5a11d 2595 if (val != hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
ce05d603 2596 hci_dev_change_flag(hdev, HCI_LE_ENABLED);
06199cf8
JH		 2597 changed = true;
2598 }
2599
d7a5a11d 2600 if (!val && hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
a358dc11 2601 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
eeca6f89
JH		 2602 changed = true;
2603 }
2604
06199cf8
JH		 2605 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2606 if (err < 0)
1de028ce 2607 goto unlock;
06199cf8
JH		 2608
2609 if (changed)
2610 err = new_settings(hdev, sk);
2611
1de028ce 2612 goto unlock;
06199cf8
JH		 2613 }
2614
333ae95d
JH		 2615 if (pending_find(MGMT_OP_SET_LE, hdev) ||
2616 pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
a69e8375
JH		 2617 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2618 MGMT_STATUS_BUSY);
1de028ce 2619 goto unlock;
06199cf8
JH		 2620 }
2621
2622 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
2623 if (!cmd) {
2624 err = -ENOMEM;
1de028ce 2625 goto unlock;
06199cf8
JH		 2626 }
2627
441ad2d0
MH		 2628 hci_req_init(&req, hdev);
2629
06199cf8
JH		 2630 memset(&hci_cp, 0, sizeof(hci_cp));
2631
2632 if (val) {
2633 hci_cp.le = val;
32226e4f 2634 hci_cp.simul = 0x00;
441ad2d0 2635 } else {
d7a5a11d 2636 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
441ad2d0 2637 disable_advertising(&req);
06199cf8
JH		 2638 }
2639
416a4ae5
JH		 2640 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
2641 &hci_cp);
2642
2643 err = hci_req_run(&req, le_enable_complete);
0c01bc48 2644 if (err < 0)
06199cf8 2645 mgmt_pending_remove(cmd);
06199cf8 2646
1de028ce
JH		 2647unlock:
2648 hci_dev_unlock(hdev);
06199cf8
JH		 2649 return err;
2650}
2651
0cab9c80
JH		 2652/* This is a helper function to test for pending mgmt commands that can
2653 * cause CoD or EIR HCI commands. We can only allow one such pending
2654 * mgmt command at a time since otherwise we cannot easily track what
2655 * the current values are, will be, and based on that calculate if a new
2656 * HCI command needs to be sent and if yes with what value.
2657 */
2658static bool pending_eir_or_class(struct hci_dev *hdev)
2659{
3b0602cd 2660 struct mgmt_pending_cmd *cmd;
0cab9c80
JH		 2661
2662 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2663 switch (cmd->opcode) {
2664 case MGMT_OP_ADD_UUID:
2665 case MGMT_OP_REMOVE_UUID:
2666 case MGMT_OP_SET_DEV_CLASS:
2667 case MGMT_OP_SET_POWERED:
2668 return true;
2669 }
2670 }
2671
2672 return false;
2673}
2674
83be8eca
JH		 2675static const u8 bluetooth_base_uuid[] = {
2676 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
2677 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2678};
2679
2680static u8 get_uuid_size(const u8 *uuid)
2681{
2682 u32 val;
2683
2684 if (memcmp(uuid, bluetooth_base_uuid, 12))
2685 return 128;
2686
2687 val = get_unaligned_le32(&uuid[12]);
2688 if (val > 0xffff)
2689 return 32;
2690
2691 return 16;
2692}
2693
92da6097
JH		 2694static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
2695{
3b0602cd 2696 struct mgmt_pending_cmd *cmd;
92da6097
JH		 2697
2698 hci_dev_lock(hdev);
2699
333ae95d 2700 cmd = pending_find(mgmt_op, hdev);
92da6097
JH		 2701 if (!cmd)
2702 goto unlock;
2703
2a1afb5a
JH		 2704 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
2705 mgmt_status(status), hdev->dev_class, 3);
92da6097
JH		 2706
2707 mgmt_pending_remove(cmd);
2708
2709unlock:
2710 hci_dev_unlock(hdev);
2711}
2712
1904a853 2713static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 2714{
2715 BT_DBG("status 0x%02x", status);
2716
2717 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
2718}
2719
bdb6d971 2720static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 2721{
650f726d 2722 struct mgmt_cp_add_uuid *cp = data;
3b0602cd 2723 struct mgmt_pending_cmd *cmd;
890ea898 2724 struct hci_request req;
2aeb9a1a 2725 struct bt_uuid *uuid;
2aeb9a1a
JH		 2726 int err;
2727
bdb6d971 2728 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2729
09fd0de5 2730 hci_dev_lock(hdev);
2aeb9a1a 2731
0cab9c80 2732 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2733 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
2734 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2735 goto failed;
2736 }
2737
92c4c204 2738 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH		 2739 if (!uuid) {
2740 err = -ENOMEM;
2741 goto failed;
2742 }
2743
2744 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 2745 uuid->svc_hint = cp->svc_hint;
83be8eca 2746 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 2747
de66aa63 2748 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 2749
890ea898 2750 hci_req_init(&req, hdev);
1aff6f09 2751
890ea898
JH		 2752 update_class(&req);
2753 update_eir(&req);
2754
92da6097
JH		 2755 err = hci_req_run(&req, add_uuid_complete);
2756 if (err < 0) {
2757 if (err != -ENODATA)
2758 goto failed;
80a1e1db 2759
2a1afb5a
JH		 2760 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
2761 hdev->dev_class, 3);
90e70454
JH		 2762 goto failed;
2763 }
2764
2765 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 2766 if (!cmd) {
90e70454 2767 err = -ENOMEM;
890ea898
JH		 2768 goto failed;
2769 }
2770
2771 err = 0;
2aeb9a1a
JH		 2772
2773failed:
09fd0de5 2774 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2775 return err;
2776}
2777
24b78d0f
JH		 2778static bool enable_service_cache(struct hci_dev *hdev)
2779{
2780 if (!hdev_is_powered(hdev))
2781 return false;
2782
238be788 2783 if (!hci_dev_test_and_set_flag(hdev, HCI_SERVICE_CACHE)) {
46818ed5
JH		 2784 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
2785 CACHE_TIMEOUT);
24b78d0f
JH		 2786 return true;
2787 }
2788
2789 return false;
2790}
2791
1904a853 2792static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 2793{
2794 BT_DBG("status 0x%02x", status);
2795
2796 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
2797}
2798
bdb6d971 2799static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2800 u16 len)
2aeb9a1a 2801{
650f726d 2802 struct mgmt_cp_remove_uuid *cp = data;
3b0602cd 2803 struct mgmt_pending_cmd *cmd;
056341c8 2804 struct bt_uuid *match, *tmp;
2aeb9a1a 2805 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 2806 struct hci_request req;
2aeb9a1a
JH		 2807 int err, found;
2808
bdb6d971 2809 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2810
09fd0de5 2811 hci_dev_lock(hdev);
2aeb9a1a 2812
0cab9c80 2813 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2814 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
2815 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2816 goto unlock;
2817 }
2818
2aeb9a1a 2819 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
35f7498a 2820 hci_uuids_clear(hdev);
4004b6d9 2821
24b78d0f 2822 if (enable_service_cache(hdev)) {
2a1afb5a
JH		 2823 err = mgmt_cmd_complete(sk, hdev->id,
2824 MGMT_OP_REMOVE_UUID,
2825 0, hdev->dev_class, 3);
24b78d0f
JH		 2826 goto unlock;
2827 }
4004b6d9 2828
9246a869 2829 goto update_class;
2aeb9a1a
JH		 2830 }
2831
2832 found = 0;
2833
056341c8 2834 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH		 2835 if (memcmp(match->uuid, cp->uuid, 16) != 0)
2836 continue;
2837
2838 list_del(&match->list);
482049f7 2839 kfree(match);
2aeb9a1a
JH		 2840 found++;
2841 }
2842
2843 if (found == 0) {
a69e8375
JH		 2844 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
2845 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH		 2846 goto unlock;
2847 }
2848
9246a869 2849update_class:
890ea898 2850 hci_req_init(&req, hdev);
1aff6f09 2851
890ea898
JH		 2852 update_class(&req);
2853 update_eir(&req);
2854
92da6097
JH		 2855 err = hci_req_run(&req, remove_uuid_complete);
2856 if (err < 0) {
2857 if (err != -ENODATA)
2858 goto unlock;
80a1e1db 2859
2a1afb5a
JH		 2860 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
2861 hdev->dev_class, 3);
90e70454
JH		 2862 goto unlock;
2863 }
2864
2865 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 2866 if (!cmd) {
90e70454 2867 err = -ENOMEM;
890ea898
JH		 2868 goto unlock;
2869 }
2870
2871 err = 0;
2aeb9a1a
JH		 2872
2873unlock:
09fd0de5 2874 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2875 return err;
2876}
2877
1904a853 2878static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode)
92da6097
JH		 2879{
2880 BT_DBG("status 0x%02x", status);
2881
2882 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
2883}
2884
bdb6d971 2885static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2886 u16 len)
1aff6f09 2887{
650f726d 2888 struct mgmt_cp_set_dev_class *cp = data;
3b0602cd 2889 struct mgmt_pending_cmd *cmd;
890ea898 2890 struct hci_request req;
1aff6f09
JH		 2891 int err;
2892
bdb6d971 2893 BT_DBG("request for %s", hdev->name);
1aff6f09 2894
6203fc98 2895 if (!lmp_bredr_capable(hdev))
a69e8375
JH		 2896 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2897 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 2898
0cab9c80 2899 hci_dev_lock(hdev);
ee98f473 2900
0cab9c80 2901 if (pending_eir_or_class(hdev)) {
a69e8375
JH		 2902 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2903 MGMT_STATUS_BUSY);
0cab9c80
JH		 2904 goto unlock;
2905 }
c95f0ba7 2906
0cab9c80 2907 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
a69e8375
JH		 2908 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2909 MGMT_STATUS_INVALID_PARAMS);
0cab9c80
JH		 2910 goto unlock;
2911 }
575b3a02 2912
932f5ff5
JH		 2913 hdev->major_class = cp->major;
2914 hdev->minor_class = cp->minor;
2915
b5235a65 2916 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 2917 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2918 hdev->dev_class, 3);
b5235a65
JH		 2919 goto unlock;
2920 }
2921
890ea898
JH		 2922 hci_req_init(&req, hdev);
2923
a69d8927 2924 if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) {
7d78525d
JH		 2925 hci_dev_unlock(hdev);
2926 cancel_delayed_work_sync(&hdev->service_cache);
2927 hci_dev_lock(hdev);
890ea898 2928 update_eir(&req);
7d78525d 2929 }
14c0b608 2930
890ea898
JH		 2931 update_class(&req);
2932
92da6097
JH		 2933 err = hci_req_run(&req, set_class_complete);
2934 if (err < 0) {
2935 if (err != -ENODATA)
2936 goto unlock;
1aff6f09 2937
2a1afb5a
JH		 2938 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2939 hdev->dev_class, 3);
90e70454
JH		 2940 goto unlock;
2941 }
2942
2943 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 2944 if (!cmd) {
90e70454 2945 err = -ENOMEM;
890ea898
JH		 2946 goto unlock;
2947 }
2948
2949 err = 0;
1aff6f09 2950
b5235a65 2951unlock:
09fd0de5 2952 hci_dev_unlock(hdev);
1aff6f09
JH		 2953 return err;
2954}
2955
bdb6d971 2956static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2957 u16 len)
55ed8ca1 2958{
650f726d 2959 struct mgmt_cp_load_link_keys *cp = data;
ba1d6936
JH		 2960 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2961 sizeof(struct mgmt_link_key_info));
4e51eae9 2962 u16 key_count, expected_len;
b1de97d8 2963 bool changed;
a492cd52 2964 int i;
55ed8ca1 2965
9060d5cf
MH		 2966 BT_DBG("request for %s", hdev->name);
2967
2968 if (!lmp_bredr_capable(hdev))
a69e8375
JH		 2969 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2970 MGMT_STATUS_NOT_SUPPORTED);
9060d5cf 2971
1f350c87 2972 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 2973 if (key_count > max_key_count) {
2974 BT_ERR("load_link_keys: too big key_count value %u",
2975 key_count);
a69e8375
JH		 2976 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2977 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 2978 }
55ed8ca1 2979
86742e1e
JH		 2980 expected_len = sizeof(*cp) + key_count *
2981 sizeof(struct mgmt_link_key_info);
a492cd52 2982 if (expected_len != len) {
86742e1e 2983 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2606ecbc 2984 expected_len, len);
a69e8375
JH		 2985 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2986 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH		 2987 }
2988
4ae14301 2989 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
a69e8375
JH		 2990 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2991 MGMT_STATUS_INVALID_PARAMS);
4ae14301 2992
bdb6d971 2993 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 2994 key_count);
55ed8ca1 2995
4ee71b20
JH		 2996 for (i = 0; i < key_count; i++) {
2997 struct mgmt_link_key_info *key = &cp->keys[i];
2998
8e991132 2999 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
a69e8375
JH		 3000 return mgmt_cmd_status(sk, hdev->id,
3001 MGMT_OP_LOAD_LINK_KEYS,
3002 MGMT_STATUS_INVALID_PARAMS);
4ee71b20
JH		 3003 }
3004
09fd0de5 3005 hci_dev_lock(hdev);
55ed8ca1
JH		 3006
3007 hci_link_keys_clear(hdev);
3008
55ed8ca1 3009 if (cp->debug_keys)
238be788 3010 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
55ed8ca1 3011 else
a69d8927
MH		 3012 changed = hci_dev_test_and_clear_flag(hdev,
3013 HCI_KEEP_DEBUG_KEYS);
b1de97d8
MH		 3014
3015 if (changed)
3016 new_settings(hdev, NULL);
55ed8ca1 3017
a492cd52 3018 for (i = 0; i < key_count; i++) {
86742e1e 3019 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 3020
58e9293c
JH		 3021 /* Always ignore debug keys and require a new pairing if
3022 * the user wants to use them.
3023 */
3024 if (key->type == HCI_LK_DEBUG_COMBINATION)
3025 continue;
3026
7652ff6a
JH		 3027 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
3028 key->type, key->pin_len, NULL);
55ed8ca1
JH		 3029 }
3030
2a1afb5a 3031 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 3032
09fd0de5 3033 hci_dev_unlock(hdev);
55ed8ca1 3034
a492cd52 3035 return 0;
55ed8ca1
JH		 3036}
3037
b1078ad0 3038static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 3039 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH		 3040{
3041 struct mgmt_ev_device_unpaired ev;
3042
3043 bacpy(&ev.addr.bdaddr, bdaddr);
3044 ev.addr.type = addr_type;
3045
3046 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 3047 skip_sk);
b1078ad0
JH		 3048}
3049
bdb6d971 3050static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3051 u16 len)
55ed8ca1 3052{
124f6e35
JH		 3053 struct mgmt_cp_unpair_device *cp = data;
3054 struct mgmt_rp_unpair_device rp;
fc64361a 3055 struct hci_conn_params *params;
a8a1d19e 3056 struct hci_cp_disconnect dc;
3b0602cd 3057 struct mgmt_pending_cmd *cmd;
55ed8ca1 3058 struct hci_conn *conn;
ec182f03 3059 u8 addr_type;
55ed8ca1
JH		 3060 int err;
3061
a8a1d19e 3062 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 3063 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3064 rp.addr.type = cp->addr.type;
a8a1d19e 3065
4ee71b20 3066 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3067 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3068 MGMT_STATUS_INVALID_PARAMS,
3069 &rp, sizeof(rp));
4ee71b20 3070
118da70b 3071 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2a1afb5a
JH		 3072 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3073 MGMT_STATUS_INVALID_PARAMS,
3074 &rp, sizeof(rp));
118da70b 3075
4ee71b20
JH		 3076 hci_dev_lock(hdev);
3077
86a8cfc6 3078 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3079 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3080 MGMT_STATUS_NOT_POWERED, &rp,
3081 sizeof(rp));
86a8cfc6
JH		 3082 goto unlock;
3083 }
3084
e0b2b27e 3085 if (cp->addr.type == BDADDR_BREDR) {
89cbb063
AA		 3086 /* If disconnection is requested, then look up the
3087 * connection. If the remote device is connected, it
3088 * will be later used to terminate the link.
3089 *
3090 * Setting it to NULL explicitly will cause no
3091 * termination of the link.
3092 */
3093 if (cp->disconnect)
3094 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
3095 &cp->addr.bdaddr);
3096 else
3097 conn = NULL;
3098
124f6e35 3099 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
ec182f03
JH		 3100 if (err < 0) {
3101 err = mgmt_cmd_complete(sk, hdev->id,
3102 MGMT_OP_UNPAIR_DEVICE,
3103 MGMT_STATUS_NOT_PAIRED, &rp,
3104 sizeof(rp));
3105 goto unlock;
89cbb063
AA		 3106 }
3107
ec182f03 3108 goto done;
e0b2b27e 3109 }
b0dbfb46 3110
ec182f03
JH		 3111 /* LE address type */
3112 addr_type = le_addr_type(cp->addr.type);
3113
3114 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
3115
3116 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
55ed8ca1 3117 if (err < 0) {
2a1afb5a
JH		 3118 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3119 MGMT_STATUS_NOT_PAIRED, &rp,
3120 sizeof(rp));
55ed8ca1
JH		 3121 goto unlock;
3122 }
3123
ec182f03
JH		 3124 conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr, addr_type);
3125 if (!conn) {
3126 hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
3127 goto done;
3128 }
3129
c81d555a
JH		 3130 /* Abort any ongoing SMP pairing */
3131 smp_cancel_pairing(conn);
3132
ec182f03
JH		 3133 /* Defer clearing up the connection parameters until closing to
3134 * give a chance of keeping them if a repairing happens.
3135 */
3136 set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
3137
fc64361a
JH		 3138 /* Disable auto-connection parameters if present */
3139 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr, addr_type);
3140 if (params) {
3141 if (params->explicit_connect)
3142 params->auto_connect = HCI_AUTO_CONN_EXPLICIT;
3143 else
3144 params->auto_connect = HCI_AUTO_CONN_DISABLED;
3145 }
3146
ec182f03
JH		 3147 /* If disconnection is not requested, then clear the connection
3148 * variable so that the link is not terminated.
3149 */
3150 if (!cp->disconnect)
3151 conn = NULL;
3152
3153done:
89cbb063
AA		 3154 /* If the connection variable is set, then termination of the
3155 * link is requested.
3156 */
a8a1d19e 3157 if (!conn) {
2a1afb5a
JH		 3158 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
3159 &rp, sizeof(rp));
b1078ad0 3160 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 3161 goto unlock;
3162 }
55ed8ca1 3163
124f6e35 3164 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 3165 sizeof(*cp));
a8a1d19e
JH		 3166 if (!cmd) {
3167 err = -ENOMEM;
3168 goto unlock;
55ed8ca1
JH		 3169 }
3170
d8b7b1e4
JH		 3171 cmd->cmd_complete = addr_cmd_complete;
3172
eb55ef07 3173 dc.handle = cpu_to_le16(conn->handle);
a8a1d19e
JH		 3174 dc.reason = 0x13; /* Remote User Terminated Connection */
3175 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
3176 if (err < 0)
3177 mgmt_pending_remove(cmd);
3178
55ed8ca1 3179unlock:
09fd0de5 3180 hci_dev_unlock(hdev);
55ed8ca1
JH		 3181 return err;
3182}
3183
bdb6d971 3184static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3185 u16 len)
8962ee74 3186{
650f726d 3187 struct mgmt_cp_disconnect *cp = data;
06a63b19 3188 struct mgmt_rp_disconnect rp;
3b0602cd 3189 struct mgmt_pending_cmd *cmd;
8962ee74 3190 struct hci_conn *conn;
8962ee74
JH		 3191 int err;
3192
3193 BT_DBG("");
3194
06a63b19
JH		 3195 memset(&rp, 0, sizeof(rp));
3196 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3197 rp.addr.type = cp->addr.type;
3198
4ee71b20 3199 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3200 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3201 MGMT_STATUS_INVALID_PARAMS,
3202 &rp, sizeof(rp));
4ee71b20 3203
09fd0de5 3204 hci_dev_lock(hdev);
8962ee74
JH		 3205
3206 if (!test_bit(HCI_UP, &hdev->flags)) {
2a1afb5a
JH		 3207 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3208 MGMT_STATUS_NOT_POWERED, &rp,
3209 sizeof(rp));
8962ee74
JH		 3210 goto failed;
3211 }
3212
333ae95d 3213 if (pending_find(MGMT_OP_DISCONNECT, hdev)) {
2a1afb5a
JH		 3214 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3215 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 3216 goto failed;
3217 }
3218
591f47f3 3219 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 3220 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
3221 &cp->addr.bdaddr);
88c3df13 3222 else
9d4c1cc1
JH		 3223 conn = hci_conn_hash_lookup_le(hdev, &cp->addr.bdaddr,
3224 le_addr_type(cp->addr.type));
365227e5 3225
f960727e 3226 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
2a1afb5a
JH		 3227 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3228 MGMT_STATUS_NOT_CONNECTED, &rp,
3229 sizeof(rp));
8962ee74
JH		 3230 goto failed;
3231 }
3232
2e58ef3e 3233 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 3234 if (!cmd) {
3235 err = -ENOMEM;
8962ee74 3236 goto failed;
366a0336 3237 }
8962ee74 3238
f5818c22
JH		 3239 cmd->cmd_complete = generic_cmd_complete;
3240
e3f2f92a 3241 err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
8962ee74 3242 if (err < 0)
a664b5bc 3243 mgmt_pending_remove(cmd);
8962ee74
JH		 3244
3245failed:
09fd0de5 3246 hci_dev_unlock(hdev);
8962ee74
JH		 3247 return err;
3248}
3249
57c1477c 3250static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 3251{
3252 switch (link_type) {
3253 case LE_LINK:
48264f06
JH		 3254 switch (addr_type) {
3255 case ADDR_LE_DEV_PUBLIC:
591f47f3 3256 return BDADDR_LE_PUBLIC;
0ed09148 3257
48264f06 3258 default:
0ed09148 3259 /* Fallback to LE Random address type */
591f47f3 3260 return BDADDR_LE_RANDOM;
48264f06 3261 }
0ed09148 3262
4c659c39 3263 default:
0ed09148 3264 /* Fallback to BR/EDR type */
591f47f3 3265 return BDADDR_BREDR;
4c659c39
JH		 3266 }
3267}
3268
04124681
GP		 3269static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
3270 u16 data_len)
2784eb41 3271{
2784eb41 3272 struct mgmt_rp_get_connections *rp;
8035ded4 3273 struct hci_conn *c;
a38528f1 3274 size_t rp_len;
60fc5fb6
JH		 3275 int err;
3276 u16 i;
2784eb41
JH		 3277
3278 BT_DBG("");
3279
09fd0de5 3280 hci_dev_lock(hdev);
2784eb41 3281
5f97c1df 3282 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3283 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
3284 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3285 goto unlock;
3286 }
3287
60fc5fb6 3288 i = 0;
b644ba33
JH		 3289 list_for_each_entry(c, &hdev->conn_hash.list, list) {
3290 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 3291 i++;
2784eb41
JH		 3292 }
3293
60fc5fb6 3294 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 3295 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 3296 if (!rp) {
2784eb41
JH		 3297 err = -ENOMEM;
3298 goto unlock;
3299 }
3300
2784eb41 3301 i = 0;
4c659c39 3302 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 3303 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
3304 continue;
4c659c39 3305 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 3306 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 3307 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 3308 continue;
3309 i++;
3310 }
3311
eb55ef07 3312 rp->conn_count = cpu_to_le16(i);
60fc5fb6 3313
4c659c39
JH		 3314 /* Recalculate length in case of filtered SCO connections, etc */
3315 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 3316
2a1afb5a
JH		 3317 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
3318 rp_len);
2784eb41 3319
a38528f1 3320 kfree(rp);
5f97c1df
JH		 3321
3322unlock:
09fd0de5 3323 hci_dev_unlock(hdev);
2784eb41
JH		 3324 return err;
3325}
3326
bdb6d971 3327static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3328 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67 3329{
3b0602cd 3330 struct mgmt_pending_cmd *cmd;
96d97a67
WR		 3331 int err;
3332
2e58ef3e 3333 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 3334 sizeof(*cp));
96d97a67
WR		 3335 if (!cmd)
3336 return -ENOMEM;
3337
d8457698 3338 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 3339 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 3340 if (err < 0)
3341 mgmt_pending_remove(cmd);
3342
3343 return err;
3344}
3345
bdb6d971 3346static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3347 u16 len)
980e1a53 3348{
96d97a67 3349 struct hci_conn *conn;
650f726d 3350 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 3351 struct hci_cp_pin_code_reply reply;
3b0602cd 3352 struct mgmt_pending_cmd *cmd;
980e1a53
JH		 3353 int err;
3354
3355 BT_DBG("");
3356
09fd0de5 3357 hci_dev_lock(hdev);
980e1a53 3358
4b34ee78 3359 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3360 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3361 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 3362 goto failed;
3363 }
3364
d8457698 3365 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 3366 if (!conn) {
a69e8375
JH		 3367 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3368 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 3369 goto failed;
3370 }
3371
3372 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 3373 struct mgmt_cp_pin_code_neg_reply ncp;
3374
3375 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 3376
3377 BT_ERR("PIN code is not 16 bytes long");
3378
bdb6d971 3379 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 3380 if (err >= 0)
a69e8375
JH		 3381 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3382 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 3383
3384 goto failed;
3385 }
3386
00abfe44 3387 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 3388 if (!cmd) {
3389 err = -ENOMEM;
980e1a53 3390 goto failed;
366a0336 3391 }
980e1a53 3392
7776d1d8
JH		 3393 cmd->cmd_complete = addr_cmd_complete;
3394
d8457698 3395 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 3396 reply.pin_len = cp->pin_len;
24718ca5 3397 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 3398
3399 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
3400 if (err < 0)
a664b5bc 3401 mgmt_pending_remove(cmd);
980e1a53
JH		 3402
3403failed:
09fd0de5 3404 hci_dev_unlock(hdev);
980e1a53
JH		 3405 return err;
3406}
3407
04124681
GP		 3408static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
3409 u16 len)
17fa4b9d 3410{
650f726d 3411 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 3412
3413 BT_DBG("");
3414
4ec86d4c 3415 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
2a1afb5a
JH		 3416 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
3417 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
4ec86d4c 3418
09fd0de5 3419 hci_dev_lock(hdev);
17fa4b9d
JH		 3420
3421 hdev->io_capability = cp->io_capability;
3422
3423 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 3424 hdev->io_capability);
17fa4b9d 3425
09fd0de5 3426 hci_dev_unlock(hdev);
17fa4b9d 3427
2a1afb5a
JH		 3428 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0,
3429 NULL, 0);
17fa4b9d
JH		 3430}
3431
3b0602cd 3432static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 3433{
3434 struct hci_dev *hdev = conn->hdev;
3b0602cd 3435 struct mgmt_pending_cmd *cmd;
e9a416b5 3436
2e58ef3e 3437 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 3438 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
3439 continue;
3440
e9a416b5
JH		 3441 if (cmd->user_data != conn)
3442 continue;
3443
3444 return cmd;
3445 }
3446
3447 return NULL;
3448}
3449
3b0602cd 3450static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status)
e9a416b5
JH		 3451{
3452 struct mgmt_rp_pair_device rp;
3453 struct hci_conn *conn = cmd->user_data;
9df74653 3454 int err;
e9a416b5 3455
61b1a7fb
JH		 3456 bacpy(&rp.addr.bdaddr, &conn->dst);
3457 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 3458
2a1afb5a
JH		 3459 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE,
3460 status, &rp, sizeof(rp));
e9a416b5
JH		 3461
3462 /* So we don't get further callbacks for this connection */
3463 conn->connect_cfm_cb = NULL;
3464 conn->security_cfm_cb = NULL;
3465 conn->disconn_cfm_cb = NULL;
3466
76a68ba0 3467 hci_conn_drop(conn);
89cbb063
AA		 3468
3469 /* The device is paired so there is no need to remove
3470 * its connection parameters anymore.
3471 */
3472 clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
15013aeb
JH		 3473
3474 hci_conn_put(conn);
9df74653
JH		 3475
3476 return err;
e9a416b5
JH		 3477}
3478
f4a407be
JH		 3479void mgmt_smp_complete(struct hci_conn *conn, bool complete)
3480{
3481 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3b0602cd 3482 struct mgmt_pending_cmd *cmd;
f4a407be
JH		 3483
3484 cmd = find_pairing(conn);
a511b35b 3485 if (cmd) {
04ab2749 3486 cmd->cmd_complete(cmd, status);
a511b35b
JH		 3487 mgmt_pending_remove(cmd);
3488 }
f4a407be
JH		 3489}
3490
e9a416b5
JH		 3491static void pairing_complete_cb(struct hci_conn *conn, u8 status)
3492{
3b0602cd 3493 struct mgmt_pending_cmd *cmd;
e9a416b5
JH		 3494
3495 BT_DBG("status %u", status);
3496
3497 cmd = find_pairing(conn);
a511b35b 3498 if (!cmd) {
e9a416b5 3499 BT_DBG("Unable to find a pending command");
a511b35b
JH		 3500 return;
3501 }
3502
3503 cmd->cmd_complete(cmd, mgmt_status(status));
3504 mgmt_pending_remove(cmd);
e9a416b5
JH		 3505}
3506
f4a407be 3507static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739 3508{
3b0602cd 3509 struct mgmt_pending_cmd *cmd;
4c47d739
VA		 3510
3511 BT_DBG("status %u", status);
3512
3513 if (!status)
3514 return;
3515
3516 cmd = find_pairing(conn);
a511b35b 3517 if (!cmd) {
4c47d739 3518 BT_DBG("Unable to find a pending command");
a511b35b
JH		 3519 return;
3520 }
3521
3522 cmd->cmd_complete(cmd, mgmt_status(status));
3523 mgmt_pending_remove(cmd);
4c47d739
VA		 3524}
3525
bdb6d971 3526static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3527 u16 len)
e9a416b5 3528{
650f726d 3529 struct mgmt_cp_pair_device *cp = data;
1425acb7 3530 struct mgmt_rp_pair_device rp;
3b0602cd 3531 struct mgmt_pending_cmd *cmd;
e9a416b5
JH		 3532 u8 sec_level, auth_type;
3533 struct hci_conn *conn;
e9a416b5
JH		 3534 int err;
3535
3536 BT_DBG("");
3537
f950a30e
SJ		 3538 memset(&rp, 0, sizeof(rp));
3539 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3540 rp.addr.type = cp->addr.type;
3541
4ee71b20 3542 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 3543 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3544 MGMT_STATUS_INVALID_PARAMS,
3545 &rp, sizeof(rp));
4ee71b20 3546
4ec86d4c 3547 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
2a1afb5a
JH		 3548 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3549 MGMT_STATUS_INVALID_PARAMS,
3550 &rp, sizeof(rp));
4ec86d4c 3551
09fd0de5 3552 hci_dev_lock(hdev);
e9a416b5 3553
5f97c1df 3554 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3555 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3556 MGMT_STATUS_NOT_POWERED, &rp,
3557 sizeof(rp));
5f97c1df
JH		 3558 goto unlock;
3559 }
3560
55e76b38
JH		 3561 if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) {
3562 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3563 MGMT_STATUS_ALREADY_PAIRED, &rp,
3564 sizeof(rp));
3565 goto unlock;
3566 }
3567
c908df36 3568 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 3569 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 3570
6f77d8c7 3571 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 3572 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
3573 auth_type);
6f77d8c7 3574 } else {
85813a7e 3575 u8 addr_type = le_addr_type(cp->addr.type);
5157b8a5 3576 struct hci_conn_params *p;
6f77d8c7 3577
7c264b10
MH		 3578 /* When pairing a new device, it is expected to remember
3579 * this device for future connections. Adding the connection
3580 * parameter information ahead of time allows tracking
3581 * of the slave preferred values and will speed up any
3582 * further connection establishment.
3583 *
3584 * If connection parameters already exist, then they
3585 * will be kept and this function does nothing.
3586 */
5157b8a5
JP		 3587 p = hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
3588
3589 if (p->auto_connect == HCI_AUTO_CONN_EXPLICIT)
3590 p->auto_connect = HCI_AUTO_CONN_DISABLED;
7c264b10 3591
fa142220
JP		 3592 conn = hci_connect_le_scan(hdev, &cp->addr.bdaddr,
3593 addr_type, sec_level,
3594 HCI_LE_CONN_TIMEOUT,
3595 HCI_ROLE_MASTER);
6f77d8c7 3596 }
7a512d01 3597
30e76272 3598 if (IS_ERR(conn)) {
489dc48e
AK		 3599 int status;
3600
3601 if (PTR_ERR(conn) == -EBUSY)
3602 status = MGMT_STATUS_BUSY;
faa81030
LR		 3603 else if (PTR_ERR(conn) == -EOPNOTSUPP)
3604 status = MGMT_STATUS_NOT_SUPPORTED;
3605 else if (PTR_ERR(conn) == -ECONNREFUSED)
3606 status = MGMT_STATUS_REJECTED;
489dc48e
AK		 3607 else
3608 status = MGMT_STATUS_CONNECT_FAILED;
3609
2a1afb5a
JH		 3610 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3611 status, &rp, sizeof(rp));
e9a416b5
JH		 3612 goto unlock;
3613 }
3614
3615 if (conn->connect_cfm_cb) {
76a68ba0 3616 hci_conn_drop(conn);
2a1afb5a
JH		 3617 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3618 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 3619 goto unlock;
3620 }
3621
2e58ef3e 3622 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 3623 if (!cmd) {
3624 err = -ENOMEM;
76a68ba0 3625 hci_conn_drop(conn);
e9a416b5
JH		 3626 goto unlock;
3627 }
3628
04ab2749
JH		 3629 cmd->cmd_complete = pairing_complete;
3630
7a512d01 3631 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 3632 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 3633 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 3634 conn->security_cfm_cb = pairing_complete_cb;
3635 conn->disconn_cfm_cb = pairing_complete_cb;
3636 } else {
3637 conn->connect_cfm_cb = le_pairing_complete_cb;
3638 conn->security_cfm_cb = le_pairing_complete_cb;
3639 conn->disconn_cfm_cb = le_pairing_complete_cb;
3640 }
7a512d01 3641
e9a416b5 3642 conn->io_capability = cp->io_cap;
f8aaf9b6 3643 cmd->user_data = hci_conn_get(conn);
e9a416b5 3644
6f78fd4b 3645 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
a511b35b
JH		 3646 hci_conn_security(conn, sec_level, auth_type, true)) {
3647 cmd->cmd_complete(cmd, 0);
3648 mgmt_pending_remove(cmd);
3649 }
e9a416b5
JH		 3650
3651 err = 0;
3652
3653unlock:
09fd0de5 3654 hci_dev_unlock(hdev);
e9a416b5
JH		 3655 return err;
3656}
3657
04124681
GP		 3658static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3659 u16 len)
28424707 3660{
0f4e68cf 3661 struct mgmt_addr_info *addr = data;
3b0602cd 3662 struct mgmt_pending_cmd *cmd;
28424707
JH		 3663 struct hci_conn *conn;
3664 int err;
3665
3666 BT_DBG("");
3667
28424707
JH		 3668 hci_dev_lock(hdev);
3669
5f97c1df 3670 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 3671 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3672 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3673 goto unlock;
3674 }
3675
333ae95d 3676 cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev);
28424707 3677 if (!cmd) {
a69e8375
JH		 3678 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3679 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3680 goto unlock;
3681 }
3682
3683 conn = cmd->user_data;
3684
3685 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
a69e8375
JH		 3686 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3687 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3688 goto unlock;
3689 }
3690
a511b35b
JH		 3691 cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED);
3692 mgmt_pending_remove(cmd);
28424707 3693
2a1afb5a
JH		 3694 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
3695 addr, sizeof(*addr));
28424707
JH		 3696unlock:
3697 hci_dev_unlock(hdev);
28424707
JH		 3698 return err;
3699}
3700
bdb6d971 3701static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 3702 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 3703 u16 hci_op, __le32 passkey)
a5c29683 3704{
3b0602cd 3705 struct mgmt_pending_cmd *cmd;
0df4c185 3706 struct hci_conn *conn;
a5c29683
JH		 3707 int err;
3708
09fd0de5 3709 hci_dev_lock(hdev);
08ba5382 3710
4b34ee78 3711 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 3712 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3713 MGMT_STATUS_NOT_POWERED, addr,
3714 sizeof(*addr));
0df4c185 3715 goto done;
a5c29683
JH		 3716 }
3717
1707c60e
JH		 3718 if (addr->type == BDADDR_BREDR)
3719 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 3720 else
9d4c1cc1
JH		 3721 conn = hci_conn_hash_lookup_le(hdev, &addr->bdaddr,
3722 le_addr_type(addr->type));
272d90df
JH		 3723
3724 if (!conn) {
2a1afb5a
JH		 3725 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3726 MGMT_STATUS_NOT_CONNECTED, addr,
3727 sizeof(*addr));
272d90df
JH		 3728 goto done;
3729 }
47c15e2b 3730
1707c60e 3731 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 3732 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 3733 if (!err)
2a1afb5a
JH		 3734 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3735 MGMT_STATUS_SUCCESS, addr,
3736 sizeof(*addr));
5fe57d9e 3737 else
2a1afb5a
JH		 3738 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3739 MGMT_STATUS_FAILED, addr,
3740 sizeof(*addr));
47c15e2b 3741
47c15e2b
BG		 3742 goto done;
3743 }
3744
1707c60e 3745 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 3746 if (!cmd) {
3747 err = -ENOMEM;
0df4c185 3748 goto done;
a5c29683
JH		 3749 }
3750
7776d1d8
JH		 3751 cmd->cmd_complete = addr_cmd_complete;
3752
0df4c185 3753 /* Continue with pairing via HCI */
604086b7
BG		 3754 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3755 struct hci_cp_user_passkey_reply cp;
3756
1707c60e 3757 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 3758 cp.passkey = passkey;
3759 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3760 } else
1707c60e
JH		 3761 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3762 &addr->bdaddr);
604086b7 3763
a664b5bc
JH		 3764 if (err < 0)
3765 mgmt_pending_remove(cmd);
a5c29683 3766
0df4c185 3767done:
09fd0de5 3768 hci_dev_unlock(hdev);
a5c29683
JH		 3769 return err;
3770}
3771
afeb019d
JK		 3772static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3773 void *data, u16 len)
3774{
3775 struct mgmt_cp_pin_code_neg_reply *cp = data;
3776
3777 BT_DBG("");
3778
1707c60e 3779 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 3780 MGMT_OP_PIN_CODE_NEG_REPLY,
3781 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3782}
3783
04124681
GP		 3784static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3785 u16 len)
0df4c185 3786{
650f726d 3787 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 3788
3789 BT_DBG("");
3790
3791 if (len != sizeof(*cp))
a69e8375
JH		 3792 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
3793 MGMT_STATUS_INVALID_PARAMS);
0df4c185 3794
1707c60e 3795 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3796 MGMT_OP_USER_CONFIRM_REPLY,
3797 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 3798}
3799
bdb6d971 3800static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3801 void *data, u16 len)
0df4c185 3802{
c9c2659f 3803 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 3804
3805 BT_DBG("");
3806
1707c60e 3807 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3808 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3809 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 3810}
3811
04124681
GP		 3812static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3813 u16 len)
604086b7 3814{
650f726d 3815 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 3816
3817 BT_DBG("");
3818
1707c60e 3819 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3820 MGMT_OP_USER_PASSKEY_REPLY,
3821 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 3822}
3823
bdb6d971 3824static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3825 void *data, u16 len)
604086b7 3826{
650f726d 3827 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 3828
3829 BT_DBG("");
3830
1707c60e 3831 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3832 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3833 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 3834}
3835
13928971 3836static void update_name(struct hci_request *req)
2b4bf397 3837{
13928971 3838 struct hci_dev *hdev = req->hdev;
2b4bf397
JH		 3839 struct hci_cp_write_local_name cp;
3840
13928971 3841 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
2b4bf397 3842
890ea898 3843 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2b4bf397
JH		 3844}
3845
1904a853 3846static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode)
13928971
JH		 3847{
3848 struct mgmt_cp_set_local_name *cp;
3b0602cd 3849 struct mgmt_pending_cmd *cmd;
13928971
JH		 3850
3851 BT_DBG("status 0x%02x", status);
3852
3853 hci_dev_lock(hdev);
3854
333ae95d 3855 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 3856 if (!cmd)
3857 goto unlock;
3858
3859 cp = cmd->param;
3860
3861 if (status)
a69e8375
JH		 3862 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3863 mgmt_status(status));
13928971 3864 else
2a1afb5a
JH		 3865 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3866 cp, sizeof(*cp));
13928971
JH		 3867
3868 mgmt_pending_remove(cmd);
3869
3870unlock:
3871 hci_dev_unlock(hdev);
3872}
3873
bdb6d971 3874static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3875 u16 len)
b312b161 3876{
2b4bf397 3877 struct mgmt_cp_set_local_name *cp = data;
3b0602cd 3878 struct mgmt_pending_cmd *cmd;
890ea898 3879 struct hci_request req;
b312b161
JH		 3880 int err;
3881
3882 BT_DBG("");
3883
09fd0de5 3884 hci_dev_lock(hdev);
b312b161 3885
b3f2ca94
JH		 3886 /* If the old values are the same as the new ones just return a
3887 * direct command complete event.
3888 */
3889 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3890 !memcmp(hdev->short_name, cp->short_name,
3891 sizeof(hdev->short_name))) {
2a1afb5a
JH		 3892 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3893 data, len);
b3f2ca94
JH		 3894 goto failed;
3895 }
3896
2b4bf397 3897 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 3898
b5235a65 3899 if (!hdev_is_powered(hdev)) {
2b4bf397 3900 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde 3901
2a1afb5a
JH		 3902 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3903 data, len);
28cc7bde
JH		 3904 if (err < 0)
3905 goto failed;
3906
f6b7712e
MH		 3907 err = mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev,
3908 data, len, sk);
28cc7bde 3909
b5235a65
JH		 3910 goto failed;
3911 }
3912
28cc7bde 3913 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3914 if (!cmd) {
3915 err = -ENOMEM;
3916 goto failed;
3917 }
3918
13928971
JH		 3919 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3920
890ea898 3921 hci_req_init(&req, hdev);
3f985050
JH		 3922
3923 if (lmp_bredr_capable(hdev)) {
3924 update_name(&req);
3925 update_eir(&req);
3926 }
3927
7a5f4990
MH		 3928 /* The name is stored in the scan response data and so
3929 * no need to udpate the advertising data here.
3930 */
3f985050 3931 if (lmp_le_capable(hdev))
7a5f4990 3932 update_scan_rsp_data(&req);
3f985050 3933
13928971 3934 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3935 if (err < 0)
3936 mgmt_pending_remove(cmd);
3937
3938failed:
09fd0de5 3939 hci_dev_unlock(hdev);
b312b161
JH		 3940 return err;
3941}
3942
1b9441f8
JH		 3943static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
3944 u16 opcode, struct sk_buff *skb)
3945{
3946 struct mgmt_rp_read_local_oob_data mgmt_rp;
3947 size_t rp_size = sizeof(mgmt_rp);
3948 struct mgmt_pending_cmd *cmd;
3949
3950 BT_DBG("%s status %u", hdev->name, status);
3951
3952 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
3953 if (!cmd)
3954 return;
3955
3956 if (status || !skb) {
3957 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3958 status ? mgmt_status(status) : MGMT_STATUS_FAILED);
3959 goto remove;
3960 }
3961
3962 memset(&mgmt_rp, 0, sizeof(mgmt_rp));
3963
3964 if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
3965 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
3966
3967 if (skb->len < sizeof(*rp)) {
3968 mgmt_cmd_status(cmd->sk, hdev->id,
3969 MGMT_OP_READ_LOCAL_OOB_DATA,
3970 MGMT_STATUS_FAILED);
3971 goto remove;
3972 }
3973
3974 memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash));
3975 memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand));
3976
3977 rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256);
3978 } else {
3979 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
3980
3981 if (skb->len < sizeof(*rp)) {
3982 mgmt_cmd_status(cmd->sk, hdev->id,
3983 MGMT_OP_READ_LOCAL_OOB_DATA,
3984 MGMT_STATUS_FAILED);
3985 goto remove;
3986 }
3987
3988 memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192));
3989 memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192));
3990
3991 memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256));
3992 memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256));
3993 }
3994
3995 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3996 MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size);
3997
3998remove:
3999 mgmt_pending_remove(cmd);
4000}
4001
0f4e68cf 4002static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 4003 void *data, u16 data_len)
c35938b2 4004{
3b0602cd 4005 struct mgmt_pending_cmd *cmd;
1b9441f8 4006 struct hci_request req;
c35938b2
SJ		 4007 int err;
4008
bdb6d971 4009 BT_DBG("%s", hdev->name);
c35938b2 4010
09fd0de5 4011 hci_dev_lock(hdev);
c35938b2 4012
4b34ee78 4013 if (!hdev_is_powered(hdev)) {
a69e8375
JH		 4014 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
4015 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 4016 goto unlock;
4017 }
4018
9a1a1996 4019 if (!lmp_ssp_capable(hdev)) {
a69e8375
JH		 4020 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
4021 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 4022 goto unlock;
4023 }
4024
333ae95d 4025 if (pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
a69e8375
JH		 4026 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
4027 MGMT_STATUS_BUSY);
c35938b2
SJ		 4028 goto unlock;
4029 }
4030
2e58ef3e 4031 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 4032 if (!cmd) {
4033 err = -ENOMEM;
4034 goto unlock;
4035 }
4036
1b9441f8
JH		 4037 hci_req_init(&req, hdev);
4038
710f11c0 4039 if (bredr_sc_enabled(hdev))
1b9441f8 4040 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
4d2d2796 4041 else
1b9441f8 4042 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
4d2d2796 4043
1b9441f8 4044 err = hci_req_run_skb(&req, read_local_oob_data_complete);
c35938b2
SJ		 4045 if (err < 0)
4046 mgmt_pending_remove(cmd);
4047
4048unlock:
09fd0de5 4049 hci_dev_unlock(hdev);
c35938b2
SJ		 4050 return err;
4051}
4052
bdb6d971 4053static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 4054 void *data, u16 len)
2763eda6 4055{
5d57e796 4056 struct mgmt_addr_info *addr = data;
2763eda6
SJ		 4057 int err;
4058
bdb6d971 4059 BT_DBG("%s ", hdev->name);
2763eda6 4060
5d57e796 4061 if (!bdaddr_type_is_valid(addr->type))
2a1afb5a
JH		 4062 return mgmt_cmd_complete(sk, hdev->id,
4063 MGMT_OP_ADD_REMOTE_OOB_DATA,
4064 MGMT_STATUS_INVALID_PARAMS,
4065 addr, sizeof(*addr));
5d57e796 4066
09fd0de5 4067 hci_dev_lock(hdev);
2763eda6 4068
ec109113
MH		 4069 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
4070 struct mgmt_cp_add_remote_oob_data *cp = data;
4071 u8 status;
bf1e3541 4072
c19a495c 4073 if (cp->addr.type != BDADDR_BREDR) {
2a1afb5a
JH		 4074 err = mgmt_cmd_complete(sk, hdev->id,
4075 MGMT_OP_ADD_REMOTE_OOB_DATA,
4076 MGMT_STATUS_INVALID_PARAMS,
4077 &cp->addr, sizeof(cp->addr));
c19a495c
JH		 4078 goto unlock;
4079 }
4080
ec109113 4081 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
6928a924
JH		 4082 cp->addr.type, cp->hash,
4083 cp->rand, NULL, NULL);
ec109113
MH		 4084 if (err < 0)
4085 status = MGMT_STATUS_FAILED;
4086 else
4087 status = MGMT_STATUS_SUCCESS;
4088
2a1afb5a
JH		 4089 err = mgmt_cmd_complete(sk, hdev->id,
4090 MGMT_OP_ADD_REMOTE_OOB_DATA, status,
4091 &cp->addr, sizeof(cp->addr));
ec109113
MH		 4092 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
4093 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
41bcfd50 4094 u8 *rand192, *hash192, *rand256, *hash256;
ec109113
MH		 4095 u8 status;
4096
86df9200 4097 if (bdaddr_type_is_le(cp->addr.type)) {
d25b78e2
JH		 4098 /* Enforce zero-valued 192-bit parameters as
4099 * long as legacy SMP OOB isn't implemented.
4100 */
4101 if (memcmp(cp->rand192, ZERO_KEY, 16) ||
4102 memcmp(cp->hash192, ZERO_KEY, 16)) {
2a1afb5a
JH		 4103 err = mgmt_cmd_complete(sk, hdev->id,
4104 MGMT_OP_ADD_REMOTE_OOB_DATA,
4105 MGMT_STATUS_INVALID_PARAMS,
4106 addr, sizeof(*addr));
d25b78e2
JH		 4107 goto unlock;
4108 }
4109
86df9200
JH		 4110 rand192 = NULL;
4111 hash192 = NULL;
4112 } else {
41bcfd50
MH		 4113 /* In case one of the P-192 values is set to zero,
4114 * then just disable OOB data for P-192.
4115 */
4116 if (!memcmp(cp->rand192, ZERO_KEY, 16) ||
4117 !memcmp(cp->hash192, ZERO_KEY, 16)) {
4118 rand192 = NULL;
4119 hash192 = NULL;
4120 } else {
4121 rand192 = cp->rand192;
4122 hash192 = cp->hash192;
4123 }
4124 }
4125
4126 /* In case one of the P-256 values is set to zero, then just
4127 * disable OOB data for P-256.
4128 */
4129 if (!memcmp(cp->rand256, ZERO_KEY, 16) ||
4130 !memcmp(cp->hash256, ZERO_KEY, 16)) {
4131 rand256 = NULL;
4132 hash256 = NULL;
4133 } else {
4134 rand256 = cp->rand256;
4135 hash256 = cp->hash256;
86df9200
JH		 4136 }
4137
81328d5c 4138 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
86df9200 4139 cp->addr.type, hash192, rand192,
41bcfd50 4140 hash256, rand256);
ec109113
MH		 4141 if (err < 0)
4142 status = MGMT_STATUS_FAILED;
4143 else
4144 status = MGMT_STATUS_SUCCESS;
4145
2a1afb5a
JH		 4146 err = mgmt_cmd_complete(sk, hdev->id,
4147 MGMT_OP_ADD_REMOTE_OOB_DATA,
4148 status, &cp->addr, sizeof(cp->addr));
ec109113
MH		 4149 } else {
4150 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
a69e8375
JH		 4151 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
4152 MGMT_STATUS_INVALID_PARAMS);
ec109113 4153 }
2763eda6 4154
c19a495c 4155unlock:
09fd0de5 4156 hci_dev_unlock(hdev);
2763eda6
SJ		 4157 return err;
4158}
4159
bdb6d971 4160static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 4161 void *data, u16 len)
2763eda6 4162{
650f726d 4163 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 4164 u8 status;
2763eda6
SJ		 4165 int err;
4166
bdb6d971 4167 BT_DBG("%s", hdev->name);
2763eda6 4168
c19a495c 4169 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 4170 return mgmt_cmd_complete(sk, hdev->id,
4171 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
4172 MGMT_STATUS_INVALID_PARAMS,
4173 &cp->addr, sizeof(cp->addr));
c19a495c 4174
09fd0de5 4175 hci_dev_lock(hdev);
2763eda6 4176
eedbd581
JH		 4177 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
4178 hci_remote_oob_data_clear(hdev);
4179 status = MGMT_STATUS_SUCCESS;
4180 goto done;
4181 }
4182
6928a924 4183 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
2763eda6 4184 if (err < 0)
bf1e3541 4185 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 4186 else
a6785be2 4187 status = MGMT_STATUS_SUCCESS;
bf1e3541 4188
eedbd581 4189done:
2a1afb5a
JH		 4190 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
4191 status, &cp->addr, sizeof(cp->addr));
2763eda6 4192
09fd0de5 4193 hci_dev_unlock(hdev);
2763eda6
SJ		 4194 return err;
4195}
4196
812abb13 4197static bool trigger_bredr_inquiry(struct hci_request *req, u8 *status)
41dc2bd6 4198{
8019044d 4199 struct hci_dev *hdev = req->hdev;
812abb13 4200 struct hci_cp_inquiry cp;
8019044d
MH		 4201 /* General inquiry access code (GIAC) */
4202 u8 lap[3] = { 0x33, 0x8b, 0x9e };
812abb13
JP		 4203
4204 *status = mgmt_bredr_support(hdev);
4205 if (*status)
4206 return false;
4207
4208 if (hci_dev_test_flag(hdev, HCI_INQUIRY)) {
4209 *status = MGMT_STATUS_BUSY;
4210 return false;
4211 }
4212
4213 hci_inquiry_cache_flush(hdev);
4214
4215 memset(&cp, 0, sizeof(cp));
4216 memcpy(&cp.lap, lap, sizeof(cp.lap));
4217 cp.length = DISCOV_BREDR_INQUIRY_LEN;
4218
4219 hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp);
4220
4221 return true;
4222}
4223
4224static bool trigger_le_scan(struct hci_request *req, u16 interval, u8 *status)
4225{
4226 struct hci_dev *hdev = req->hdev;
4227 struct hci_cp_le_set_scan_param param_cp;
4228 struct hci_cp_le_set_scan_enable enable_cp;
8019044d 4229 u8 own_addr_type;
41dc2bd6
AG		 4230 int err;
4231
812abb13
JP		 4232 *status = mgmt_le_support(hdev);
4233 if (*status)
4234 return false;
41dc2bd6 4235
812abb13
JP		 4236 if (hci_dev_test_flag(hdev, HCI_LE_ADV)) {
4237 /* Don't let discovery abort an outgoing connection attempt
4238 * that's using directed advertising.
4239 */
e7d9ab73 4240 if (hci_lookup_le_connect(hdev)) {
812abb13 4241 *status = MGMT_STATUS_REJECTED;
8019044d
MH		 4242 return false;
4243 }
41dc2bd6 4244
9d5fc2f2 4245 cancel_adv_timeout(hdev);
812abb13
JP		 4246 disable_advertising(req);
4247 }
41dc2bd6 4248
812abb13
JP		 4249 /* If controller is scanning, it means the background scanning is
4250 * running. Thus, we should temporarily stop it in order to set the
4251 * discovery scanning parameters.
4252 */
4253 if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
4254 hci_req_add_le_scan_disable(req);
41dc2bd6 4255
812abb13
JP		 4256 /* All active scans will be done with either a resolvable private
4257 * address (when privacy feature has been enabled) or non-resolvable
4258 * private address.
4259 */
4260 err = hci_update_random_address(req, true, &own_addr_type);
4261 if (err < 0) {
4262 *status = MGMT_STATUS_FAILED;
4263 return false;
4264 }
8019044d 4265
812abb13
JP		 4266 memset(&param_cp, 0, sizeof(param_cp));
4267 param_cp.type = LE_SCAN_ACTIVE;
4268 param_cp.interval = cpu_to_le16(interval);
4269 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
4270 param_cp.own_address_type = own_addr_type;
8019044d 4271
812abb13
JP		 4272 hci_req_add(req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
4273 &param_cp);
8019044d 4274
812abb13
JP		 4275 memset(&enable_cp, 0, sizeof(enable_cp));
4276 enable_cp.enable = LE_SCAN_ENABLE;
4277 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
8019044d 4278
812abb13
JP		 4279 hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
4280 &enable_cp);
4281
4282 return true;
4283}
8019044d 4284
812abb13
JP		 4285static bool trigger_discovery(struct hci_request *req, u8 *status)
4286{
4287 struct hci_dev *hdev = req->hdev;
8019044d 4288
812abb13
JP		 4289 switch (hdev->discovery.type) {
4290 case DISCOV_TYPE_BREDR:
4291 if (!trigger_bredr_inquiry(req, status))
4292 return false;
4293 break;
4294
4295 case DISCOV_TYPE_INTERLEAVED:
07d2334a
JP		 4296 if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY,
4297 &hdev->quirks)) {
4298 /* During simultaneous discovery, we double LE scan
4299 * interval. We must leave some time for the controller
4300 * to do BR/EDR inquiry.
4301 */
4302 if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT * 2,
4303 status))
4304 return false;
4305
4306 if (!trigger_bredr_inquiry(req, status))
4307 return false;
4308
4309 return true;
4310 }
4311
812abb13
JP		 4312 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
4313 *status = MGMT_STATUS_NOT_SUPPORTED;
8019044d
MH		 4314 return false;
4315 }
812abb13 4316 /* fall through */
8019044d 4317
812abb13
JP		 4318 case DISCOV_TYPE_LE:
4319 if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT, status))
4320 return false;
8019044d
MH		 4321 break;
4322
4323 default:
4324 *status = MGMT_STATUS_INVALID_PARAMS;
4325 return false;
4326 }
4327
4328 return true;
41dc2bd6
AG		 4329}
4330
1904a853
MH		 4331static void start_discovery_complete(struct hci_dev *hdev, u8 status,
4332 u16 opcode)
7c307720 4333{
3b0602cd 4334 struct mgmt_pending_cmd *cmd;
11e6e25d 4335 unsigned long timeout;
ae55f598 4336
7c307720
AG		 4337 BT_DBG("status %d", status);
4338
11e6e25d 4339 hci_dev_lock(hdev);
41dc2bd6 4340
333ae95d 4341 cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev);
66ea9427 4342 if (!cmd)
333ae95d 4343 cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev);
66ea9427 4344
11e6e25d 4345 if (cmd) {
2922a94f 4346 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d
MH		 4347 mgmt_pending_remove(cmd);
4348 }
7c307720
AG		 4349
4350 if (status) {
11e6e25d
MH		 4351 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4352 goto unlock;
7c307720
AG		 4353 }
4354
7c307720 4355 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
7c307720 4356
2d28cfe7
JP		 4357 /* If the scan involves LE scan, pick proper timeout to schedule
4358 * hdev->le_scan_disable that will stop it.
4359 */
7c307720
AG		 4360 switch (hdev->discovery.type) {
4361 case DISCOV_TYPE_LE:
3d5a76f0 4362 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
7c307720 4363 break;
7c307720 4364 case DISCOV_TYPE_INTERLEAVED:
07d2334a
JP		 4365 /* When running simultaneous discovery, the LE scanning time
4366 * should occupy the whole discovery time sine BR/EDR inquiry
4367 * and LE scanning are scheduled by the controller.
4368 *
4369 * For interleaving discovery in comparison, BR/EDR inquiry
4370 * and LE scanning are done sequentially with separate
4371 * timeouts.
4372 */
4373 if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
4374 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
4375 else
4376 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
7c307720 4377 break;
7c307720 4378 case DISCOV_TYPE_BREDR:
11e6e25d 4379 timeout = 0;
7c307720 4380 break;
7c307720
AG		 4381 default:
4382 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
11e6e25d
MH		 4383 timeout = 0;
4384 break;
7c307720 4385 }
ae55f598 4386
2d28cfe7
JP		 4387 if (timeout) {
4388 /* When service discovery is used and the controller has
4389 * a strict duplicate filter, it is important to remember
4390 * the start and duration of the scan. This is required
4391 * for restarting scanning during the discovery phase.
4392 */
4393 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER,
4394 &hdev->quirks) &&
82f8b651 4395 hdev->discovery.result_filtering) {
2d28cfe7
JP		 4396 hdev->discovery.scan_start = jiffies;
4397 hdev->discovery.scan_duration = timeout;
4398 }
4399
11e6e25d
MH		 4400 queue_delayed_work(hdev->workqueue,
4401 &hdev->le_scan_disable, timeout);
2d28cfe7 4402 }
ae55f598 4403
11e6e25d
MH		 4404unlock:
4405 hci_dev_unlock(hdev);
7c307720
AG		 4406}
4407
bdb6d971 4408static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 4409 void *data, u16 len)
14a53664 4410{
650f726d 4411 struct mgmt_cp_start_discovery *cp = data;
3b0602cd 4412 struct mgmt_pending_cmd *cmd;
7c307720 4413 struct hci_request req;
8019044d 4414 u8 status;
14a53664
JH		 4415 int err;
4416
bdb6d971 4417 BT_DBG("%s", hdev->name);
14a53664 4418
09fd0de5 4419 hci_dev_lock(hdev);
14a53664 4420
4b34ee78 4421 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4422 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4423 MGMT_STATUS_NOT_POWERED,
4424 &cp->type, sizeof(cp->type));
bd2d1334
JH		 4425 goto failed;
4426 }
4427
f5a969f2 4428 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 4429 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 4430 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4431 MGMT_STATUS_BUSY, &cp->type,
4432 sizeof(cp->type));
642be6c7
AG		 4433 goto failed;
4434 }
4435
2922a94f 4436 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, data, len);
14a53664
JH		 4437 if (!cmd) {
4438 err = -ENOMEM;
4439 goto failed;
4440 }
4441
2922a94f
JH		 4442 cmd->cmd_complete = generic_cmd_complete;
4443
22078800
MH		 4444 /* Clear the discovery filter first to free any previously
4445 * allocated memory for the UUID list.
4446 */
4447 hci_discovery_filter_clear(hdev);
4448
4aab14e5 4449 hdev->discovery.type = cp->type;
da25cf6a 4450 hdev->discovery.report_invalid_rssi = false;
4aab14e5 4451
7c307720
AG		 4452 hci_req_init(&req, hdev);
4453
8019044d 4454 if (!trigger_discovery(&req, &status)) {
2a1afb5a
JH		 4455 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4456 status, &cp->type, sizeof(cp->type));
04106755
JH		 4457 mgmt_pending_remove(cmd);
4458 goto failed;
f39799f5 4459 }
04106755 4460
7c307720 4461 err = hci_req_run(&req, start_discovery_complete);
f5a969f2 4462 if (err < 0) {
14a53664 4463 mgmt_pending_remove(cmd);
f5a969f2
MH		 4464 goto failed;
4465 }
7c307720 4466
f5a969f2 4467 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
7c307720 4468
14a53664 4469failed:
09fd0de5 4470 hci_dev_unlock(hdev);
14a53664
JH		 4471 return err;
4472}
f39799f5 4473
3b0602cd
JH		 4474static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
4475 u8 status)
2922a94f 4476{
2a1afb5a
JH		 4477 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
4478 cmd->param, 1);
2922a94f 4479}
04106755 4480
66ea9427
JP		 4481static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
4482 void *data, u16 len)
4483{
4484 struct mgmt_cp_start_service_discovery *cp = data;
3b0602cd 4485 struct mgmt_pending_cmd *cmd;
66ea9427
JP		 4486 struct hci_request req;
4487 const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
4488 u16 uuid_count, expected_len;
4489 u8 status;
4490 int err;
04106755 4491
66ea9427 4492 BT_DBG("%s", hdev->name);
e8bb6b97 4493
66ea9427 4494 hci_dev_lock(hdev);
7c307720 4495
66ea9427 4496 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 4497 err = mgmt_cmd_complete(sk, hdev->id,
4498 MGMT_OP_START_SERVICE_DISCOVERY,
4499 MGMT_STATUS_NOT_POWERED,
4500 &cp->type, sizeof(cp->type));
66ea9427
JP		 4501 goto failed;
4502 }
7c307720 4503
66ea9427 4504 if (hdev->discovery.state != DISCOVERY_STOPPED ||
d7a5a11d 4505 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
2a1afb5a
JH		 4506 err = mgmt_cmd_complete(sk, hdev->id,
4507 MGMT_OP_START_SERVICE_DISCOVERY,
4508 MGMT_STATUS_BUSY, &cp->type,
4509 sizeof(cp->type));
66ea9427
JP		 4510 goto failed;
4511 }
d9483943 4512
66ea9427
JP		 4513 uuid_count = __le16_to_cpu(cp->uuid_count);
4514 if (uuid_count > max_uuid_count) {
4515 BT_ERR("service_discovery: too big uuid_count value %u",
4516 uuid_count);
2a1afb5a
JH		 4517 err = mgmt_cmd_complete(sk, hdev->id,
4518 MGMT_OP_START_SERVICE_DISCOVERY,
4519 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4520 sizeof(cp->type));
66ea9427
JP		 4521 goto failed;
4522 }
4523
4524 expected_len = sizeof(*cp) + uuid_count * 16;
4525 if (expected_len != len) {
4526 BT_ERR("service_discovery: expected %u bytes, got %u bytes",
4527 expected_len, len);
2a1afb5a
JH		 4528 err = mgmt_cmd_complete(sk, hdev->id,
4529 MGMT_OP_START_SERVICE_DISCOVERY,
4530 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4531 sizeof(cp->type));
66ea9427
JP		 4532 goto failed;
4533 }
4534
4535 cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
2922a94f 4536 hdev, data, len);
66ea9427
JP		 4537 if (!cmd) {
4538 err = -ENOMEM;
4539 goto failed;
4540 }
4541
2922a94f
JH		 4542 cmd->cmd_complete = service_discovery_cmd_complete;
4543
22078800
MH		 4544 /* Clear the discovery filter first to free any previously
4545 * allocated memory for the UUID list.
4546 */
4547 hci_discovery_filter_clear(hdev);
4548
82f8b651 4549 hdev->discovery.result_filtering = true;
66ea9427
JP		 4550 hdev->discovery.type = cp->type;
4551 hdev->discovery.rssi = cp->rssi;
4552 hdev->discovery.uuid_count = uuid_count;
4553
4554 if (uuid_count > 0) {
4555 hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16,
4556 GFP_KERNEL);
4557 if (!hdev->discovery.uuids) {
2a1afb5a
JH		 4558 err = mgmt_cmd_complete(sk, hdev->id,
4559 MGMT_OP_START_SERVICE_DISCOVERY,
4560 MGMT_STATUS_FAILED,
4561 &cp->type, sizeof(cp->type));
d9483943
JH		 4562 mgmt_pending_remove(cmd);
4563 goto failed;
4564 }
66ea9427 4565 }
d9483943 4566
66ea9427 4567 hci_req_init(&req, hdev);
5e0452c0 4568
66ea9427 4569 if (!trigger_discovery(&req, &status)) {
2a1afb5a
JH		 4570 err = mgmt_cmd_complete(sk, hdev->id,
4571 MGMT_OP_START_SERVICE_DISCOVERY,
4572 status, &cp->type, sizeof(cp->type));
04106755
JH		 4573 mgmt_pending_remove(cmd);
4574 goto failed;
f39799f5 4575 }
3fd24153 4576
7c307720 4577 err = hci_req_run(&req, start_discovery_complete);
66ea9427 4578 if (err < 0) {
14a53664 4579 mgmt_pending_remove(cmd);
66ea9427
JP		 4580 goto failed;
4581 }
4582
4583 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 4584
4585failed:
09fd0de5 4586 hci_dev_unlock(hdev);
14a53664
JH		 4587 return err;
4588}
4589
1904a853 4590static void stop_discovery_complete(struct hci_dev *hdev, u8 status, u16 opcode)
1183fdca 4591{
3b0602cd 4592 struct mgmt_pending_cmd *cmd;
1183fdca 4593
0e05bba6
AG		 4594 BT_DBG("status %d", status);
4595
4596 hci_dev_lock(hdev);
4597
333ae95d 4598 cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
11e6e25d 4599 if (cmd) {
2922a94f 4600 cmd->cmd_complete(cmd, mgmt_status(status));
11e6e25d 4601 mgmt_pending_remove(cmd);
0e05bba6
AG		 4602 }
4603
11e6e25d
MH		 4604 if (!status)
4605 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
0e05bba6 4606
0e05bba6
AG		 4607 hci_dev_unlock(hdev);
4608}
4609
bdb6d971 4610static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4611 u16 len)
14a53664 4612{
d930650b 4613 struct mgmt_cp_stop_discovery *mgmt_cp = data;
3b0602cd 4614 struct mgmt_pending_cmd *cmd;
0e05bba6 4615 struct hci_request req;
14a53664
JH		 4616 int err;
4617
bdb6d971 4618 BT_DBG("%s", hdev->name);
14a53664 4619
09fd0de5 4620 hci_dev_lock(hdev);
14a53664 4621
30dc78e1 4622 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 4623 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4624 MGMT_STATUS_REJECTED, &mgmt_cp->type,
4625 sizeof(mgmt_cp->type));
d930650b
JH		 4626 goto unlock;
4627 }
4628
4629 if (hdev->discovery.type != mgmt_cp->type) {
2a1afb5a
JH		 4630 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4631 MGMT_STATUS_INVALID_PARAMS,
4632 &mgmt_cp->type, sizeof(mgmt_cp->type));
30dc78e1 4633 goto unlock;
ff9ef578
JH		 4634 }
4635
2922a94f 4636 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
14a53664
JH		 4637 if (!cmd) {
4638 err = -ENOMEM;
30dc78e1
JH		 4639 goto unlock;
4640 }
4641
2922a94f
JH		 4642 cmd->cmd_complete = generic_cmd_complete;
4643
0e05bba6
AG		 4644 hci_req_init(&req, hdev);
4645
21a60d30 4646 hci_stop_discovery(&req);
e0d9727e 4647
21a60d30
JH		 4648 err = hci_req_run(&req, stop_discovery_complete);
4649 if (!err) {
4650 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 4651 goto unlock;
14a53664
JH		 4652 }
4653
21a60d30
JH		 4654 mgmt_pending_remove(cmd);
4655
4656 /* If no HCI commands were sent we're done */
4657 if (err == -ENODATA) {
2a1afb5a
JH		 4658 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
4659 &mgmt_cp->type, sizeof(mgmt_cp->type));
21a60d30
JH		 4660 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4661 }
14a53664 4662
30dc78e1 4663unlock:
09fd0de5 4664 hci_dev_unlock(hdev);
14a53664
JH		 4665 return err;
4666}
4667
bdb6d971 4668static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4669 u16 len)
561aafbc 4670{
650f726d 4671 struct mgmt_cp_confirm_name *cp = data;
561aafbc 4672 struct inquiry_entry *e;
561aafbc
JH		 4673 int err;
4674
bdb6d971 4675 BT_DBG("%s", hdev->name);
561aafbc 4676
561aafbc
JH		 4677 hci_dev_lock(hdev);
4678
30dc78e1 4679 if (!hci_discovery_active(hdev)) {
2a1afb5a
JH		 4680 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4681 MGMT_STATUS_FAILED, &cp->addr,
4682 sizeof(cp->addr));
30dc78e1
JH		 4683 goto failed;
4684 }
4685
a198e7b1 4686 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 4687 if (!e) {
2a1afb5a
JH		 4688 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4689 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
4690 sizeof(cp->addr));
561aafbc
JH		 4691 goto failed;
4692 }
4693
4694 if (cp->name_known) {
4695 e->name_state = NAME_KNOWN;
4696 list_del(&e->list);
4697 } else {
4698 e->name_state = NAME_NEEDED;
a3d4e20a 4699 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 4700 }
4701
2a1afb5a
JH		 4702 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0,
4703 &cp->addr, sizeof(cp->addr));
561aafbc
JH		 4704
4705failed:
4706 hci_dev_unlock(hdev);
561aafbc
JH		 4707 return err;
4708}
4709
bdb6d971 4710static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4711 u16 len)
7fbec224 4712{
650f726d 4713 struct mgmt_cp_block_device *cp = data;
f0eeea8b 4714 u8 status;
7fbec224
AJ		 4715 int err;
4716
bdb6d971 4717 BT_DBG("%s", hdev->name);
7fbec224 4718
4ee71b20 4719 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4720 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
4721 MGMT_STATUS_INVALID_PARAMS,
4722 &cp->addr, sizeof(cp->addr));
4ee71b20 4723
09fd0de5 4724 hci_dev_lock(hdev);
5e762444 4725
dcc36c16
JH		 4726 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
4727 cp->addr.type);
2a8357f2 4728 if (err < 0) {
f0eeea8b 4729 status = MGMT_STATUS_FAILED;
2a8357f2
JH		 4730 goto done;
4731 }
4732
4733 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4734 sk);
4735 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4736
2a8357f2 4737done:
2a1afb5a
JH		 4738 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
4739 &cp->addr, sizeof(cp->addr));
5e762444 4740
09fd0de5 4741 hci_dev_unlock(hdev);
7fbec224
AJ		 4742
4743 return err;
4744}
4745
bdb6d971 4746static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 4747 u16 len)
7fbec224 4748{
650f726d 4749 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 4750 u8 status;
7fbec224
AJ		 4751 int err;
4752
bdb6d971 4753 BT_DBG("%s", hdev->name);
7fbec224 4754
4ee71b20 4755 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 4756 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4757 MGMT_STATUS_INVALID_PARAMS,
4758 &cp->addr, sizeof(cp->addr));
4ee71b20 4759
09fd0de5 4760 hci_dev_lock(hdev);
5e762444 4761
dcc36c16
JH		 4762 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4763 cp->addr.type);
2a8357f2 4764 if (err < 0) {
f0eeea8b 4765 status = MGMT_STATUS_INVALID_PARAMS;
2a8357f2
JH		 4766 goto done;
4767 }
4768
4769 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4770 sk);
4771 status = MGMT_STATUS_SUCCESS;
f0eeea8b 4772
2a8357f2 4773done:
2a1afb5a
JH		 4774 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
4775 &cp->addr, sizeof(cp->addr));
5e762444 4776
09fd0de5 4777 hci_dev_unlock(hdev);
7fbec224
AJ		 4778
4779 return err;
4780}
4781
cdbaccca
MH		 4782static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4783 u16 len)
4784{
4785 struct mgmt_cp_set_device_id *cp = data;
890ea898 4786 struct hci_request req;
cdbaccca 4787 int err;
c72d4b8a 4788 __u16 source;
cdbaccca
MH		 4789
4790 BT_DBG("%s", hdev->name);
4791
c72d4b8a
SJ		 4792 source = __le16_to_cpu(cp->source);
4793
4794 if (source > 0x0002)
a69e8375
JH		 4795 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4796 MGMT_STATUS_INVALID_PARAMS);
c72d4b8a 4797
cdbaccca
MH		 4798 hci_dev_lock(hdev);
4799
c72d4b8a 4800 hdev->devid_source = source;
cdbaccca
MH		 4801 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4802 hdev->devid_product = __le16_to_cpu(cp->product);
4803 hdev->devid_version = __le16_to_cpu(cp->version);
4804
2a1afb5a
JH		 4805 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
4806 NULL, 0);
cdbaccca 4807
890ea898
JH		 4808 hci_req_init(&req, hdev);
4809 update_eir(&req);
4810 hci_req_run(&req, NULL);
cdbaccca
MH		 4811
4812 hci_dev_unlock(hdev);
4813
4814 return err;
4815}
4816
24b4f38f
AU		 4817static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
4818 u16 opcode)
4819{
4820 BT_DBG("status %d", status);
4821}
4822
1904a853
MH		 4823static void set_advertising_complete(struct hci_dev *hdev, u8 status,
4824 u16 opcode)
4375f103
JH		 4825{
4826 struct cmd_lookup match = { NULL, hdev };
24b4f38f 4827 struct hci_request req;
7816b820
FG		 4828 u8 instance;
4829 struct adv_info *adv_instance;
4830 int err;
4375f103 4831
3ad67582
JK		 4832 hci_dev_lock(hdev);
4833
4375f103
JH		 4834 if (status) {
4835 u8 mgmt_err = mgmt_status(status);
4836
4837 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4838 cmd_status_rsp, &mgmt_err);
3ad67582 4839 goto unlock;
4375f103
JH		 4840 }
4841
d7a5a11d 4842 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
a1536da2 4843 hci_dev_set_flag(hdev, HCI_ADVERTISING);
c93bd150 4844 else
a358dc11 4845 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
c93bd150 4846
4375f103
JH		 4847 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4848 &match);
4849
4850 new_settings(hdev, match.sk);
4851
4852 if (match.sk)
4853 sock_put(match.sk);
3ad67582 4854
24b4f38f 4855 /* If "Set Advertising" was just disabled and instance advertising was
7816b820 4856 * set up earlier, then re-enable multi-instance advertising.
24b4f38f
AU		 4857 */
4858 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7816b820
FG		 4859 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) ||
4860 list_empty(&hdev->adv_instances))
24b4f38f
AU		 4861 goto unlock;
4862
7816b820
FG		 4863 instance = hdev->cur_adv_instance;
4864 if (!instance) {
4865 adv_instance = list_first_entry_or_null(&hdev->adv_instances,
4866 struct adv_info, list);
4867 if (!adv_instance)
4868 goto unlock;
4869
4870 instance = adv_instance->instance;
4871 }
4872
24b4f38f
AU		 4873 hci_req_init(&req, hdev);
4874
7816b820
FG		 4875 err = schedule_adv_instance(&req, instance, true);
4876
4877 if (!err)
4878 err = hci_req_run(&req, enable_advertising_instance);
24b4f38f 4879
7816b820 4880 if (err)
24b4f38f
AU		 4881 BT_ERR("Failed to re-configure advertising");
4882
3ad67582
JK		 4883unlock:
4884 hci_dev_unlock(hdev);
4375f103
JH		 4885}
4886
21b5187f
MH		 4887static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4888 u16 len)
4375f103
JH		 4889{
4890 struct mgmt_mode *cp = data;
3b0602cd 4891 struct mgmt_pending_cmd *cmd;
4375f103 4892 struct hci_request req;
cc91cb04 4893 u8 val, status;
4375f103
JH		 4894 int err;
4895
4896 BT_DBG("request for %s", hdev->name);
4897
e6fe7986
JH		 4898 status = mgmt_le_support(hdev);
4899 if (status)
a69e8375
JH		 4900 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4901 status);
4375f103 4902
cc91cb04 4903 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 4904 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4905 MGMT_STATUS_INVALID_PARAMS);
4375f103
JH		 4906
4907 hci_dev_lock(hdev);
4908
4909 val = !!cp->val;
4375f103 4910
f74ca9b8
JH		 4911 /* The following conditions are ones which mean that we should
4912 * not do any HCI communication but directly send a mgmt
4913 * response to user space (after toggling the flag if
4914 * necessary).
4915 */
cc91cb04 4916 if (!hdev_is_powered(hdev) ||
d7a5a11d
MH		 4917 (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
4918 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) ||
e8bb6b97 4919 hci_conn_num(hdev, LE_LINK) > 0 ||
d7a5a11d 4920 (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
e8bb6b97 4921 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
cc91cb04 4922 bool changed;
4375f103 4923
cc91cb04 4924 if (cp->val) {
238be788 4925 changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING);
cc91cb04 4926 if (cp->val == 0x02)
a1536da2 4927 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4928 else
a358dc11 4929 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4930 } else {
a69d8927 4931 changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING);
a358dc11 4932 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
4375f103
JH		 4933 }
4934
4935 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4936 if (err < 0)
4937 goto unlock;
4938
4939 if (changed)
4940 err = new_settings(hdev, sk);
4941
4942 goto unlock;
4943 }
4944
333ae95d
JH		 4945 if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4946 pending_find(MGMT_OP_SET_LE, hdev)) {
a69e8375
JH		 4947 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4948 MGMT_STATUS_BUSY);
4375f103
JH		 4949 goto unlock;
4950 }
4951
4952 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4953 if (!cmd) {
4954 err = -ENOMEM;
4955 goto unlock;
4956 }
4957
4958 hci_req_init(&req, hdev);
4959
cc91cb04 4960 if (cp->val == 0x02)
a1536da2 4961 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4962 else
a358dc11 4963 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
cc91cb04 4964
7816b820
FG		 4965 cancel_adv_timeout(hdev);
4966
24b4f38f 4967 if (val) {
7816b820
FG		 4968 /* Switch to instance "0" for the Set Advertising setting.
4969 * We cannot use update_[adv|scan_rsp]_data() here as the
4970 * HCI_ADVERTISING flag is not yet set.
4971 */
efae002c
FG		 4972 update_inst_adv_data(&req, 0x00);
4973 update_inst_scan_rsp_data(&req, 0x00);
bba3aa55 4974 enable_advertising(&req);
24b4f38f 4975 } else {
bba3aa55 4976 disable_advertising(&req);
24b4f38f 4977 }
4375f103
JH		 4978
4979 err = hci_req_run(&req, set_advertising_complete);
4980 if (err < 0)
4981 mgmt_pending_remove(cmd);
4982
4983unlock:
4984 hci_dev_unlock(hdev);
4985 return err;
4986}
4987
d13eafce
MH		 4988static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4989 void *data, u16 len)
4990{
4991 struct mgmt_cp_set_static_address *cp = data;
4992 int err;
4993
4994 BT_DBG("%s", hdev->name);
4995
62af4443 4996 if (!lmp_le_capable(hdev))
a69e8375
JH		 4997 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4998 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 4999
5000 if (hdev_is_powered(hdev))
a69e8375
JH		 5001 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
5002 MGMT_STATUS_REJECTED);
d13eafce
MH		 5003
5004 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
5005 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
a69e8375
JH		 5006 return mgmt_cmd_status(sk, hdev->id,
5007 MGMT_OP_SET_STATIC_ADDRESS,
5008 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 5009
5010 /* Two most significant bits shall be set */
5011 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
a69e8375
JH		 5012 return mgmt_cmd_status(sk, hdev->id,
5013 MGMT_OP_SET_STATIC_ADDRESS,
5014 MGMT_STATUS_INVALID_PARAMS);
d13eafce
MH		 5015 }
5016
5017 hci_dev_lock(hdev);
5018
5019 bacpy(&hdev->static_addr, &cp->bdaddr);
5020
93690c22
MH		 5021 err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev);
5022 if (err < 0)
5023 goto unlock;
5024
5025 err = new_settings(hdev, sk);
d13eafce 5026
93690c22 5027unlock:
d13eafce 5028 hci_dev_unlock(hdev);
d13eafce
MH		 5029 return err;
5030}
5031
14b49b9a
MH		 5032static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
5033 void *data, u16 len)
5034{
5035 struct mgmt_cp_set_scan_params *cp = data;
5036 __u16 interval, window;
5037 int err;
5038
5039 BT_DBG("%s", hdev->name);
5040
5041 if (!lmp_le_capable(hdev))
a69e8375
JH		 5042 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5043 MGMT_STATUS_NOT_SUPPORTED);
14b49b9a
MH		 5044
5045 interval = __le16_to_cpu(cp->interval);
5046
5047 if (interval < 0x0004 || interval > 0x4000)
a69e8375
JH		 5048 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5049 MGMT_STATUS_INVALID_PARAMS);
14b49b9a
MH		 5050
5051 window = __le16_to_cpu(cp->window);
5052
5053 if (window < 0x0004 || window > 0x4000)
a69e8375
JH		 5054 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5055 MGMT_STATUS_INVALID_PARAMS);
14b49b9a 5056
899e1075 5057 if (window > interval)
a69e8375
JH		 5058 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5059 MGMT_STATUS_INVALID_PARAMS);
899e1075 5060
14b49b9a
MH		 5061 hci_dev_lock(hdev);
5062
5063 hdev->le_scan_interval = interval;
5064 hdev->le_scan_window = window;
5065
2a1afb5a
JH		 5066 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0,
5067 NULL, 0);
14b49b9a 5068
dd2ef8e2
AG		 5069 /* If background scan is running, restart it so new parameters are
5070 * loaded.
5071 */
d7a5a11d 5072 if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
dd2ef8e2
AG		 5073 hdev->discovery.state == DISCOVERY_STOPPED) {
5074 struct hci_request req;
5075
5076 hci_req_init(&req, hdev);
5077
5078 hci_req_add_le_scan_disable(&req);
5079 hci_req_add_le_passive_scan(&req);
5080
5081 hci_req_run(&req, NULL);
5082 }
5083
14b49b9a
MH		 5084 hci_dev_unlock(hdev);
5085
5086 return err;
5087}
5088
1904a853
MH		 5089static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
5090 u16 opcode)
33e38b3e 5091{
3b0602cd 5092 struct mgmt_pending_cmd *cmd;
33e38b3e
JH		 5093
5094 BT_DBG("status 0x%02x", status);
5095
5096 hci_dev_lock(hdev);
5097
333ae95d 5098 cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
33e38b3e
JH		 5099 if (!cmd)
5100 goto unlock;
5101
5102 if (status) {
a69e8375
JH		 5103 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5104 mgmt_status(status));
33e38b3e 5105 } else {
1a4d3c4b
JH		 5106 struct mgmt_mode *cp = cmd->param;
5107
5108 if (cp->val)
a1536da2 5109 hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 5110 else
a358dc11 5111 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
1a4d3c4b 5112
33e38b3e
JH		 5113 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
5114 new_settings(hdev, cmd->sk);
5115 }
5116
5117 mgmt_pending_remove(cmd);
5118
5119unlock:
5120 hci_dev_unlock(hdev);
5121}
5122
bdb6d971 5123static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 5124 void *data, u16 len)
f6422ec6 5125{
650f726d 5126 struct mgmt_mode *cp = data;
3b0602cd 5127 struct mgmt_pending_cmd *cmd;
33e38b3e 5128 struct hci_request req;
f6422ec6
AJ		 5129 int err;
5130
bdb6d971 5131 BT_DBG("%s", hdev->name);
f6422ec6 5132
d7a5a11d 5133 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
56f87901 5134 hdev->hci_ver < BLUETOOTH_VER_1_2)
a69e8375
JH		 5135 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5136 MGMT_STATUS_NOT_SUPPORTED);
33c525c0 5137
a7e80f25 5138 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 5139 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5140 MGMT_STATUS_INVALID_PARAMS);
a7e80f25 5141
f6422ec6
AJ		 5142 hci_dev_lock(hdev);
5143
333ae95d 5144 if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
a69e8375
JH		 5145 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5146 MGMT_STATUS_BUSY);
05cbf29f
JH		 5147 goto unlock;
5148 }
5149
d7a5a11d 5150 if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) {
1a4d3c4b
JH		 5151 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5152 hdev);
5153 goto unlock;
5154 }
5155
406ef2a6 5156 if (!hdev_is_powered(hdev)) {
ce05d603 5157 hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE);
406ef2a6
JH		 5158 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5159 hdev);
5160 new_settings(hdev, sk);
5161 goto unlock;
5162 }
5163
33e38b3e
JH		 5164 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
5165 data, len);
5166 if (!cmd) {
5167 err = -ENOMEM;
5168 goto unlock;
f6422ec6
AJ		 5169 }
5170
33e38b3e
JH		 5171 hci_req_init(&req, hdev);
5172
406d7804 5173 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 5174
5175 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 5176 if (err < 0) {
a69e8375
JH		 5177 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5178 MGMT_STATUS_FAILED);
33e38b3e 5179 mgmt_pending_remove(cmd);
f6422ec6
AJ		 5180 }
5181
33e38b3e 5182unlock:
f6422ec6 5183 hci_dev_unlock(hdev);
33e38b3e 5184
f6422ec6
AJ		 5185 return err;
5186}
5187
1904a853 5188static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
0663ca2a 5189{
3b0602cd 5190 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 5191
5192 BT_DBG("status 0x%02x", status);
5193
5194 hci_dev_lock(hdev);
5195
333ae95d 5196 cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
0663ca2a
JH		 5197 if (!cmd)
5198 goto unlock;
5199
5200 if (status) {
5201 u8 mgmt_err = mgmt_status(status);
5202
5203 /* We need to restore the flag if related HCI commands
5204 * failed.
5205 */
a358dc11 5206 hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a 5207
a69e8375 5208 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
0663ca2a
JH		 5209 } else {
5210 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
5211 new_settings(hdev, cmd->sk);
5212 }
5213
5214 mgmt_pending_remove(cmd);
5215
5216unlock:
5217 hci_dev_unlock(hdev);
5218}
5219
5220static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
5221{
5222 struct mgmt_mode *cp = data;
3b0602cd 5223 struct mgmt_pending_cmd *cmd;
0663ca2a
JH		 5224 struct hci_request req;
5225 int err;
5226
5227 BT_DBG("request for %s", hdev->name);
5228
5229 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
a69e8375
JH		 5230 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5231 MGMT_STATUS_NOT_SUPPORTED);
0663ca2a 5232
d7a5a11d 5233 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 5234 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5235 MGMT_STATUS_REJECTED);
0663ca2a
JH		 5236
5237 if (cp->val != 0x00 && cp->val != 0x01)
a69e8375
JH		 5238 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5239 MGMT_STATUS_INVALID_PARAMS);
0663ca2a
JH		 5240
5241 hci_dev_lock(hdev);
5242
d7a5a11d 5243 if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
0663ca2a
JH		 5244 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5245 goto unlock;
5246 }
5247
5248 if (!hdev_is_powered(hdev)) {
5249 if (!cp->val) {
a358dc11
MH		 5250 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
5251 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
5252 hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
5253 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
5254 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
0663ca2a
JH		 5255 }
5256
ce05d603 5257 hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 5258
5259 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5260 if (err < 0)
5261 goto unlock;
5262
5263 err = new_settings(hdev, sk);
5264 goto unlock;
5265 }
5266
5267 /* Reject disabling when powered on */
5268 if (!cp->val) {
a69e8375
JH		 5269 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5270 MGMT_STATUS_REJECTED);
0663ca2a 5271 goto unlock;
111e4bcc
MH		 5272 } else {
5273 /* When configuring a dual-mode controller to operate
5274 * with LE only and using a static address, then switching
5275 * BR/EDR back on is not allowed.
5276 *
5277 * Dual-mode controllers shall operate with the public
5278 * address as its identity address for BR/EDR and LE. So
5279 * reject the attempt to create an invalid configuration.
3a5486e1
MH		 5280 *
5281 * The same restrictions applies when secure connections
5282 * has been enabled. For BR/EDR this is a controller feature
5283 * while for LE it is a host stack feature. This means that
5284 * switching BR/EDR back on when secure connections has been
5285 * enabled is not a supported transaction.
111e4bcc 5286 */
d7a5a11d 5287 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
3a5486e1 5288 (bacmp(&hdev->static_addr, BDADDR_ANY) ||
d7a5a11d 5289 hci_dev_test_flag(hdev, HCI_SC_ENABLED))) {
a69e8375
JH		 5290 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5291 MGMT_STATUS_REJECTED);
111e4bcc
MH		 5292 goto unlock;
5293 }
0663ca2a
JH		 5294 }
5295
333ae95d 5296 if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
a69e8375
JH		 5297 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5298 MGMT_STATUS_BUSY);
0663ca2a
JH		 5299 goto unlock;
5300 }
5301
5302 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
5303 if (!cmd) {
5304 err = -ENOMEM;
5305 goto unlock;
5306 }
5307
5947f4bc 5308 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 5309 * generates the correct flags.
5310 */
a1536da2 5311 hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
0663ca2a
JH		 5312
5313 hci_req_init(&req, hdev);
aa8af46e 5314
432df05e 5315 write_fast_connectable(&req, false);
1d2dc5b7 5316 __hci_update_page_scan(&req);
aa8af46e 5317
f14d8f64
MH		 5318 /* Since only the advertising data flags will change, there
5319 * is no need to update the scan response data.
5320 */
5947f4bc 5321 update_adv_data(&req);
aa8af46e 5322
0663ca2a
JH		 5323 err = hci_req_run(&req, set_bredr_complete);
5324 if (err < 0)
5325 mgmt_pending_remove(cmd);
5326
5327unlock:
5328 hci_dev_unlock(hdev);
5329 return err;
5330}
5331
a1443f5a
JH		 5332static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5333{
3b0602cd 5334 struct mgmt_pending_cmd *cmd;
a1443f5a
JH		 5335 struct mgmt_mode *cp;
5336
5337 BT_DBG("%s status %u", hdev->name, status);
5338
5339 hci_dev_lock(hdev);
5340
333ae95d 5341 cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev);
a1443f5a
JH		 5342 if (!cmd)
5343 goto unlock;
5344
5345 if (status) {
a69e8375
JH		 5346 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
5347 mgmt_status(status));
a1443f5a
JH		 5348 goto remove;
5349 }
5350
5351 cp = cmd->param;
5352
5353 switch (cp->val) {
5354 case 0x00:
a358dc11
MH		 5355 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
5356 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5357 break;
5358 case 0x01:
a1536da2 5359 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
a358dc11 5360 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5361 break;
5362 case 0x02:
a1536da2
MH		 5363 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
5364 hci_dev_set_flag(hdev, HCI_SC_ONLY);
a1443f5a
JH		 5365 break;
5366 }
5367
5368 send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev);
5369 new_settings(hdev, cmd->sk);
5370
5371remove:
5372 mgmt_pending_remove(cmd);
5373unlock:
5374 hci_dev_unlock(hdev);
5375}
5376
eac83dc6
MH		 5377static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
5378 void *data, u16 len)
5379{
5380 struct mgmt_mode *cp = data;
3b0602cd 5381 struct mgmt_pending_cmd *cmd;
a1443f5a 5382 struct hci_request req;
a3209694 5383 u8 val;
eac83dc6
MH		 5384 int err;
5385
5386 BT_DBG("request for %s", hdev->name);
5387
05b3c3e7 5388 if (!lmp_sc_capable(hdev) &&
d7a5a11d 5389 !hci_dev_test_flag(hdev, HCI_LE_ENABLED))
a69e8375
JH		 5390 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5391 MGMT_STATUS_NOT_SUPPORTED);
eac83dc6 5392
d7a5a11d 5393 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
59200286 5394 lmp_sc_capable(hdev) &&
d7a5a11d 5395 !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
a69e8375
JH		 5396 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5397 MGMT_STATUS_REJECTED);
ed93ec69 5398
0ab04a9c 5399 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375 5400 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
eac83dc6
MH		 5401 MGMT_STATUS_INVALID_PARAMS);
5402
5403 hci_dev_lock(hdev);
5404
05b3c3e7 5405 if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) ||
d7a5a11d 5406 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
eac83dc6
MH		 5407 bool changed;
5408
0ab04a9c 5409 if (cp->val) {
238be788
MH		 5410 changed = !hci_dev_test_and_set_flag(hdev,
5411 HCI_SC_ENABLED);
0ab04a9c 5412 if (cp->val == 0x02)
a1536da2 5413 hci_dev_set_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5414 else
a358dc11 5415 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5416 } else {
a69d8927
MH		 5417 changed = hci_dev_test_and_clear_flag(hdev,
5418 HCI_SC_ENABLED);
a358dc11 5419 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
0ab04a9c 5420 }
eac83dc6
MH		 5421
5422 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5423 if (err < 0)
5424 goto failed;
5425
5426 if (changed)
5427 err = new_settings(hdev, sk);
5428
5429 goto failed;
5430 }
5431
333ae95d 5432 if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
a69e8375
JH		 5433 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5434 MGMT_STATUS_BUSY);
eac83dc6
MH		 5435 goto failed;
5436 }
5437
0ab04a9c
MH		 5438 val = !!cp->val;
5439
d7a5a11d
MH		 5440 if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
5441 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
eac83dc6
MH		 5442 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5443 goto failed;
5444 }
5445
5446 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
5447 if (!cmd) {
5448 err = -ENOMEM;
5449 goto failed;
5450 }
5451
a1443f5a
JH		 5452 hci_req_init(&req, hdev);
5453 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
5454 err = hci_req_run(&req, sc_enable_complete);
eac83dc6
MH		 5455 if (err < 0) {
5456 mgmt_pending_remove(cmd);
5457 goto failed;
5458 }
5459
5460failed:
5461 hci_dev_unlock(hdev);
5462 return err;
5463}
5464
4e39ac81
MH		 5465static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
5466 void *data, u16 len)
5467{
5468 struct mgmt_mode *cp = data;
b9710979 5469 bool changed, use_changed;
4e39ac81
MH		 5470 int err;
5471
5472 BT_DBG("request for %s", hdev->name);
5473
b9710979 5474 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a69e8375
JH		 5475 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
5476 MGMT_STATUS_INVALID_PARAMS);
4e39ac81
MH		 5477
5478 hci_dev_lock(hdev);
5479
5480 if (cp->val)
238be788 5481 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
4e39ac81 5482 else
a69d8927
MH		 5483 changed = hci_dev_test_and_clear_flag(hdev,
5484 HCI_KEEP_DEBUG_KEYS);
4e39ac81 5485
b9710979 5486 if (cp->val == 0x02)
238be788
MH		 5487 use_changed = !hci_dev_test_and_set_flag(hdev,
5488 HCI_USE_DEBUG_KEYS);
b9710979 5489 else
a69d8927
MH		 5490 use_changed = hci_dev_test_and_clear_flag(hdev,
5491 HCI_USE_DEBUG_KEYS);
b9710979
JH		 5492
5493 if (hdev_is_powered(hdev) && use_changed &&
d7a5a11d 5494 hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
b9710979
JH		 5495 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
5496 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
5497 sizeof(mode), &mode);
5498 }
5499
4e39ac81
MH		 5500 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
5501 if (err < 0)
5502 goto unlock;
5503
5504 if (changed)
5505 err = new_settings(hdev, sk);
5506
5507unlock:
5508 hci_dev_unlock(hdev);
5509 return err;
5510}
5511
62b04cd1
JH		 5512static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5513 u16 len)
5514{
5515 struct mgmt_cp_set_privacy *cp = cp_data;
5516 bool changed;
5517 int err;
5518
5519 BT_DBG("request for %s", hdev->name);
5520
5521 if (!lmp_le_capable(hdev))
a69e8375
JH		 5522 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5523 MGMT_STATUS_NOT_SUPPORTED);
62b04cd1
JH		 5524
5525 if (cp->privacy != 0x00 && cp->privacy != 0x01)
a69e8375
JH		 5526 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5527 MGMT_STATUS_INVALID_PARAMS);
62b04cd1
JH		 5528
5529 if (hdev_is_powered(hdev))
a69e8375
JH		 5530 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5531 MGMT_STATUS_REJECTED);
62b04cd1
JH		 5532
5533 hci_dev_lock(hdev);
5534
c21c0ea0
JH		 5535 /* If user space supports this command it is also expected to
5536 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
5537 */
a1536da2 5538 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
c21c0ea0 5539
62b04cd1 5540 if (cp->privacy) {
238be788 5541 changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY);
62b04cd1 5542 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
a1536da2 5543 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
62b04cd1 5544 } else {
a69d8927 5545 changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY);
62b04cd1 5546 memset(hdev->irk, 0, sizeof(hdev->irk));
a358dc11 5547 hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED);
62b04cd1
JH		 5548 }
5549
5550 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
5551 if (err < 0)
5552 goto unlock;
5553
5554 if (changed)
5555 err = new_settings(hdev, sk);
5556
5557unlock:
5558 hci_dev_unlock(hdev);
5559 return err;
5560}
5561
41edf160
JH		 5562static bool irk_is_valid(struct mgmt_irk_info *irk)
5563{
5564 switch (irk->addr.type) {
5565 case BDADDR_LE_PUBLIC:
5566 return true;
5567
5568 case BDADDR_LE_RANDOM:
5569 /* Two most significant bits shall be set */
5570 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5571 return false;
5572 return true;
5573 }
5574
5575 return false;
5576}
5577
5578static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5579 u16 len)
5580{
5581 struct mgmt_cp_load_irks *cp = cp_data;
ba1d6936
JH		 5582 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
5583 sizeof(struct mgmt_irk_info));
41edf160
JH		 5584 u16 irk_count, expected_len;
5585 int i, err;
5586
5587 BT_DBG("request for %s", hdev->name);
5588
5589 if (!lmp_le_capable(hdev))
a69e8375
JH		 5590 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5591 MGMT_STATUS_NOT_SUPPORTED);
41edf160
JH		 5592
5593 irk_count = __le16_to_cpu(cp->irk_count);
ba1d6936
JH		 5594 if (irk_count > max_irk_count) {
5595 BT_ERR("load_irks: too big irk_count value %u", irk_count);
a69e8375
JH		 5596 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5597 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5598 }
41edf160
JH		 5599
5600 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
5601 if (expected_len != len) {
5602 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 5603 expected_len, len);
a69e8375
JH		 5604 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5605 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 5606 }
5607
5608 BT_DBG("%s irk_count %u", hdev->name, irk_count);
5609
5610 for (i = 0; i < irk_count; i++) {
5611 struct mgmt_irk_info *key = &cp->irks[i];
5612
5613 if (!irk_is_valid(key))
a69e8375
JH		 5614 return mgmt_cmd_status(sk, hdev->id,
5615 MGMT_OP_LOAD_IRKS,
5616 MGMT_STATUS_INVALID_PARAMS);
41edf160
JH		 5617 }
5618
5619 hci_dev_lock(hdev);
5620
5621 hci_smp_irks_clear(hdev);
5622
5623 for (i = 0; i < irk_count; i++) {
5624 struct mgmt_irk_info *irk = &cp->irks[i];
41edf160 5625
85813a7e
JH		 5626 hci_add_irk(hdev, &irk->addr.bdaddr,
5627 le_addr_type(irk->addr.type), irk->val,
41edf160
JH		 5628 BDADDR_ANY);
5629 }
5630
a1536da2 5631 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
41edf160 5632
2a1afb5a 5633 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
41edf160
JH		 5634
5635 hci_dev_unlock(hdev);
5636
5637 return err;
5638}
5639
3f706b72
JH		 5640static bool ltk_is_valid(struct mgmt_ltk_info *key)
5641{
5642 if (key->master != 0x00 && key->master != 0x01)
5643 return false;
490cb0b3
MH		 5644
5645 switch (key->addr.type) {
5646 case BDADDR_LE_PUBLIC:
5647 return true;
5648
5649 case BDADDR_LE_RANDOM:
5650 /* Two most significant bits shall be set */
5651 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5652 return false;
5653 return true;
5654 }
5655
5656 return false;
3f706b72
JH		 5657}
5658
bdb6d971 5659static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 5660 void *cp_data, u16 len)
346af67b 5661{
346af67b 5662 struct mgmt_cp_load_long_term_keys *cp = cp_data;
ba1d6936
JH		 5663 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
5664 sizeof(struct mgmt_ltk_info));
346af67b 5665 u16 key_count, expected_len;
715a5bf2 5666 int i, err;
346af67b 5667
cf99ba13
MH		 5668 BT_DBG("request for %s", hdev->name);
5669
5670 if (!lmp_le_capable(hdev))
a69e8375
JH		 5671 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5672 MGMT_STATUS_NOT_SUPPORTED);
cf99ba13 5673
1f350c87 5674 key_count = __le16_to_cpu(cp->key_count);
ba1d6936
JH		 5675 if (key_count > max_key_count) {
5676 BT_ERR("load_ltks: too big key_count value %u", key_count);
a69e8375
JH		 5677 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5678 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 5679 }
346af67b
VCG		 5680
5681 expected_len = sizeof(*cp) + key_count *
5682 sizeof(struct mgmt_ltk_info);
5683 if (expected_len != len) {
5684 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 5685 expected_len, len);
a69e8375
JH		 5686 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5687 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 5688 }
5689
bdb6d971 5690 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 5691
54ad6d8a
JH		 5692 for (i = 0; i < key_count; i++) {
5693 struct mgmt_ltk_info *key = &cp->keys[i];
5694
3f706b72 5695 if (!ltk_is_valid(key))
a69e8375
JH		 5696 return mgmt_cmd_status(sk, hdev->id,
5697 MGMT_OP_LOAD_LONG_TERM_KEYS,
5698 MGMT_STATUS_INVALID_PARAMS);
54ad6d8a
JH		 5699 }
5700
346af67b
VCG		 5701 hci_dev_lock(hdev);
5702
5703 hci_smp_ltks_clear(hdev);
5704
5705 for (i = 0; i < key_count; i++) {
5706 struct mgmt_ltk_info *key = &cp->keys[i];
85813a7e 5707 u8 type, authenticated;
346af67b 5708
61b43357
JH		 5709 switch (key->type) {
5710 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 5711 authenticated = 0x00;
23fb8de3 5712 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
61b43357
JH		 5713 break;
5714 case MGMT_LTK_AUTHENTICATED:
d7b25450 5715 authenticated = 0x01;
23fb8de3
JH		 5716 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
5717 break;
5718 case MGMT_LTK_P256_UNAUTH:
5719 authenticated = 0x00;
5720 type = SMP_LTK_P256;
61b43357 5721 break;
23fb8de3
JH		 5722 case MGMT_LTK_P256_AUTH:
5723 authenticated = 0x01;
5724 type = SMP_LTK_P256;
61b43357 5725 break;
23fb8de3
JH		 5726 case MGMT_LTK_P256_DEBUG:
5727 authenticated = 0x00;
5728 type = SMP_LTK_P256_DEBUG;
61b43357
JH		 5729 default:
5730 continue;
5731 }
d7b25450 5732
85813a7e
JH		 5733 hci_add_ltk(hdev, &key->addr.bdaddr,
5734 le_addr_type(key->addr.type), type, authenticated,
5735 key->val, key->enc_size, key->ediv, key->rand);
346af67b
VCG		 5736 }
5737
2a1afb5a 5738 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
715a5bf2
JH		 5739 NULL, 0);
5740
346af67b 5741 hci_dev_unlock(hdev);
346af67b 5742
715a5bf2 5743 return err;
346af67b
VCG		 5744}
5745
3b0602cd 5746static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
dd983808 5747{
dd983808 5748 struct hci_conn *conn = cmd->user_data;
9981bdb0 5749 struct mgmt_rp_get_conn_info rp;
9df74653 5750 int err;
dd983808 5751
9981bdb0 5752 memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
dd983808 5753
9981bdb0 5754 if (status == MGMT_STATUS_SUCCESS) {
dd983808 5755 rp.rssi = conn->rssi;
9981bdb0
JH		 5756 rp.tx_power = conn->tx_power;
5757 rp.max_tx_power = conn->max_tx_power;
5758 } else {
5759 rp.rssi = HCI_RSSI_INVALID;
5760 rp.tx_power = HCI_TX_POWER_INVALID;
5761 rp.max_tx_power = HCI_TX_POWER_INVALID;
dd983808
AK		 5762 }
5763
2a1afb5a
JH		 5764 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
5765 status, &rp, sizeof(rp));
dd983808
AK		 5766
5767 hci_conn_drop(conn);
f8aaf9b6 5768 hci_conn_put(conn);
9df74653
JH		 5769
5770 return err;
dd983808
AK		 5771}
5772
1904a853
MH		 5773static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
5774 u16 opcode)
dd983808
AK		 5775{
5776 struct hci_cp_read_rssi *cp;
3b0602cd 5777 struct mgmt_pending_cmd *cmd;
dd983808 5778 struct hci_conn *conn;
dd983808 5779 u16 handle;
9981bdb0 5780 u8 status;
dd983808 5781
9981bdb0 5782 BT_DBG("status 0x%02x", hci_status);
dd983808
AK		 5783
5784 hci_dev_lock(hdev);
5785
dd983808
AK		 5786 /* Commands sent in request are either Read RSSI or Read Transmit Power
5787 * Level so we check which one was last sent to retrieve connection
5788 * handle. Both commands have handle as first parameter so it's safe to
5789 * cast data on the same command struct.
5790 *
5791 * First command sent is always Read RSSI and we fail only if it fails.
5792 * In other case we simply override error to indicate success as we
5793 * already remembered if TX power value is actually valid.
5794 */
5795 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
5796 if (!cp) {
5797 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
9981bdb0
JH		 5798 status = MGMT_STATUS_SUCCESS;
5799 } else {
5800 status = mgmt_status(hci_status);
dd983808
AK		 5801 }
5802
5803 if (!cp) {
9981bdb0 5804 BT_ERR("invalid sent_cmd in conn_info response");
dd983808
AK		 5805 goto unlock;
5806 }
5807
5808 handle = __le16_to_cpu(cp->handle);
5809 conn = hci_conn_hash_lookup_handle(hdev, handle);
5810 if (!conn) {
9981bdb0 5811 BT_ERR("unknown handle (%d) in conn_info response", handle);
dd983808
AK		 5812 goto unlock;
5813 }
5814
333ae95d 5815 cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn);
9981bdb0
JH		 5816 if (!cmd)
5817 goto unlock;
dd983808 5818
9981bdb0
JH		 5819 cmd->cmd_complete(cmd, status);
5820 mgmt_pending_remove(cmd);
dd983808
AK		 5821
5822unlock:
5823 hci_dev_unlock(hdev);
5824}
5825
5826static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
5827 u16 len)
5828{
5829 struct mgmt_cp_get_conn_info *cp = data;
5830 struct mgmt_rp_get_conn_info rp;
5831 struct hci_conn *conn;
5832 unsigned long conn_info_age;
5833 int err = 0;
5834
5835 BT_DBG("%s", hdev->name);
5836
5837 memset(&rp, 0, sizeof(rp));
5838 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5839 rp.addr.type = cp->addr.type;
5840
5841 if (!bdaddr_type_is_valid(cp->addr.type))
2a1afb5a
JH		 5842 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5843 MGMT_STATUS_INVALID_PARAMS,
5844 &rp, sizeof(rp));
dd983808
AK		 5845
5846 hci_dev_lock(hdev);
5847
5848 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 5849 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5850 MGMT_STATUS_NOT_POWERED, &rp,
5851 sizeof(rp));
dd983808
AK		 5852 goto unlock;
5853 }
5854
5855 if (cp->addr.type == BDADDR_BREDR)
5856 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5857 &cp->addr.bdaddr);
5858 else
5859 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5860
5861 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 5862 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5863 MGMT_STATUS_NOT_CONNECTED, &rp,
5864 sizeof(rp));
dd983808
AK		 5865 goto unlock;
5866 }
5867
333ae95d 5868 if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) {
2a1afb5a
JH		 5869 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5870 MGMT_STATUS_BUSY, &rp, sizeof(rp));
9981bdb0
JH		 5871 goto unlock;
5872 }
5873
dd983808
AK		 5874 /* To avoid client trying to guess when to poll again for information we
5875 * calculate conn info age as random value between min/max set in hdev.
5876 */
5877 conn_info_age = hdev->conn_info_min_age +
5878 prandom_u32_max(hdev->conn_info_max_age -
5879 hdev->conn_info_min_age);
5880
5881 /* Query controller to refresh cached values if they are too old or were
5882 * never read.
5883 */
f4e2dd53
AK		 5884 if (time_after(jiffies, conn->conn_info_timestamp +
5885 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 5886 !conn->conn_info_timestamp) {
5887 struct hci_request req;
5888 struct hci_cp_read_tx_power req_txp_cp;
5889 struct hci_cp_read_rssi req_rssi_cp;
3b0602cd 5890 struct mgmt_pending_cmd *cmd;
dd983808
AK		 5891
5892 hci_req_init(&req, hdev);
5893 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5894 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5895 &req_rssi_cp);
5896
f7faab0c
AK		 5897 /* For LE links TX power does not change thus we don't need to
5898 * query for it once value is known.
5899 */
5900 if (!bdaddr_type_is_le(cp->addr.type) ||
5901 conn->tx_power == HCI_TX_POWER_INVALID) {
5902 req_txp_cp.handle = cpu_to_le16(conn->handle);
5903 req_txp_cp.type = 0x00;
5904 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5905 sizeof(req_txp_cp), &req_txp_cp);
5906 }
dd983808 5907
eed5daf3
AK		 5908 /* Max TX power needs to be read only once per connection */
5909 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5910 req_txp_cp.handle = cpu_to_le16(conn->handle);
5911 req_txp_cp.type = 0x01;
5912 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5913 sizeof(req_txp_cp), &req_txp_cp);
5914 }
5915
dd983808
AK		 5916 err = hci_req_run(&req, conn_info_refresh_complete);
5917 if (err < 0)
5918 goto unlock;
5919
5920 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5921 data, len);
5922 if (!cmd) {
5923 err = -ENOMEM;
5924 goto unlock;
5925 }
5926
5927 hci_conn_hold(conn);
f8aaf9b6 5928 cmd->user_data = hci_conn_get(conn);
9981bdb0 5929 cmd->cmd_complete = conn_info_cmd_complete;
dd983808
AK		 5930
5931 conn->conn_info_timestamp = jiffies;
5932 } else {
5933 /* Cache is valid, just reply with values cached in hci_conn */
5934 rp.rssi = conn->rssi;
5935 rp.tx_power = conn->tx_power;
eed5daf3 5936 rp.max_tx_power = conn->max_tx_power;
dd983808 5937
2a1afb5a
JH		 5938 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5939 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
dd983808
AK		 5940 }
5941
5942unlock:
5943 hci_dev_unlock(hdev);
5944 return err;
5945}
5946
3b0602cd 5947static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
95868426 5948{
69487371 5949 struct hci_conn *conn = cmd->user_data;
95868426 5950 struct mgmt_rp_get_clock_info rp;
69487371 5951 struct hci_dev *hdev;
9df74653 5952 int err;
69487371
JH		 5953
5954 memset(&rp, 0, sizeof(rp));
5955 memcpy(&rp.addr, &cmd->param, sizeof(rp.addr));
5956
5957 if (status)
5958 goto complete;
5959
5960 hdev = hci_dev_get(cmd->index);
5961 if (hdev) {
5962 rp.local_clock = cpu_to_le32(hdev->clock);
5963 hci_dev_put(hdev);
5964 }
5965
5966 if (conn) {
5967 rp.piconet_clock = cpu_to_le32(conn->clock);
5968 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5969 }
5970
5971complete:
2a1afb5a
JH		 5972 err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
5973 sizeof(rp));
69487371
JH		 5974
5975 if (conn) {
5976 hci_conn_drop(conn);
5977 hci_conn_put(conn);
5978 }
9df74653
JH		 5979
5980 return err;
69487371
JH		 5981}
5982
1904a853 5983static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
69487371 5984{
95868426 5985 struct hci_cp_read_clock *hci_cp;
3b0602cd 5986 struct mgmt_pending_cmd *cmd;
95868426
JH		 5987 struct hci_conn *conn;
5988
5989 BT_DBG("%s status %u", hdev->name, status);
5990
5991 hci_dev_lock(hdev);
5992
5993 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5994 if (!hci_cp)
5995 goto unlock;
5996
5997 if (hci_cp->which) {
5998 u16 handle = __le16_to_cpu(hci_cp->handle);
5999 conn = hci_conn_hash_lookup_handle(hdev, handle);
6000 } else {
6001 conn = NULL;
6002 }
6003
333ae95d 6004 cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
95868426
JH		 6005 if (!cmd)
6006 goto unlock;
6007
69487371 6008 cmd->cmd_complete(cmd, mgmt_status(status));
95868426 6009 mgmt_pending_remove(cmd);
95868426
JH		 6010
6011unlock:
6012 hci_dev_unlock(hdev);
6013}
6014
6015static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
6016 u16 len)
6017{
6018 struct mgmt_cp_get_clock_info *cp = data;
6019 struct mgmt_rp_get_clock_info rp;
6020 struct hci_cp_read_clock hci_cp;
3b0602cd 6021 struct mgmt_pending_cmd *cmd;
95868426
JH		 6022 struct hci_request req;
6023 struct hci_conn *conn;
6024 int err;
6025
6026 BT_DBG("%s", hdev->name);
6027
6028 memset(&rp, 0, sizeof(rp));
6029 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6030 rp.addr.type = cp->addr.type;
6031
6032 if (cp->addr.type != BDADDR_BREDR)
2a1afb5a
JH		 6033 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6034 MGMT_STATUS_INVALID_PARAMS,
6035 &rp, sizeof(rp));
95868426
JH		 6036
6037 hci_dev_lock(hdev);
6038
6039 if (!hdev_is_powered(hdev)) {
2a1afb5a
JH		 6040 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6041 MGMT_STATUS_NOT_POWERED, &rp,
6042 sizeof(rp));
95868426
JH		 6043 goto unlock;
6044 }
6045
6046 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
6047 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
6048 &cp->addr.bdaddr);
6049 if (!conn || conn->state != BT_CONNECTED) {
2a1afb5a
JH		 6050 err = mgmt_cmd_complete(sk, hdev->id,
6051 MGMT_OP_GET_CLOCK_INFO,
6052 MGMT_STATUS_NOT_CONNECTED,
6053 &rp, sizeof(rp));
95868426
JH		 6054 goto unlock;
6055 }
6056 } else {
6057 conn = NULL;
6058 }
6059
6060 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
6061 if (!cmd) {
6062 err = -ENOMEM;
6063 goto unlock;
6064 }
6065
69487371
JH		 6066 cmd->cmd_complete = clock_info_cmd_complete;
6067
95868426
JH		 6068 hci_req_init(&req, hdev);
6069
6070 memset(&hci_cp, 0, sizeof(hci_cp));
6071 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6072
6073 if (conn) {
6074 hci_conn_hold(conn);
f8aaf9b6 6075 cmd->user_data = hci_conn_get(conn);
95868426
JH		 6076
6077 hci_cp.handle = cpu_to_le16(conn->handle);
6078 hci_cp.which = 0x01; /* Piconet clock */
6079 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6080 }
6081
6082 err = hci_req_run(&req, get_clock_info_complete);
6083 if (err < 0)
6084 mgmt_pending_remove(cmd);
6085
6086unlock:
6087 hci_dev_unlock(hdev);
6088 return err;
6089}
6090
5a154e6f
JH		 6091static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
6092{
6093 struct hci_conn *conn;
6094
6095 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
6096 if (!conn)
6097 return false;
6098
6099 if (conn->dst_type != type)
6100 return false;
6101
6102 if (conn->state != BT_CONNECTED)
6103 return false;
6104
6105 return true;
6106}
6107
6108/* This function requires the caller holds hdev->lock */
6109static int hci_conn_params_set(struct hci_request *req, bdaddr_t *addr,
6110 u8 addr_type, u8 auto_connect)
6111{
6112 struct hci_dev *hdev = req->hdev;
6113 struct hci_conn_params *params;
6114
6115 params = hci_conn_params_add(hdev, addr, addr_type);
6116 if (!params)
6117 return -EIO;
6118
6119 if (params->auto_connect == auto_connect)
6120 return 0;
6121
6122 list_del_init(&params->action);
6123
6124 switch (auto_connect) {
6125 case HCI_AUTO_CONN_DISABLED:
6126 case HCI_AUTO_CONN_LINK_LOSS:
28a667c9
JP		 6127 /* If auto connect is being disabled when we're trying to
6128 * connect to device, keep connecting.
6129 */
6130 if (params->explicit_connect)
6131 list_add(&params->action, &hdev->pend_le_conns);
6132
5a154e6f
JH		 6133 __hci_update_background_scan(req);
6134 break;
6135 case HCI_AUTO_CONN_REPORT:
49c50922
JH		 6136 if (params->explicit_connect)
6137 list_add(&params->action, &hdev->pend_le_conns);
6138 else
6139 list_add(&params->action, &hdev->pend_le_reports);
5a154e6f
JH		 6140 __hci_update_background_scan(req);
6141 break;
6142 case HCI_AUTO_CONN_DIRECT:
6143 case HCI_AUTO_CONN_ALWAYS:
6144 if (!is_connected(hdev, addr, addr_type)) {
6145 list_add(&params->action, &hdev->pend_le_conns);
168b8a25
JP		 6146 /* If we are in scan phase of connecting, we were
6147 * already added to pend_le_conns and scanning.
6148 */
6149 if (params->auto_connect != HCI_AUTO_CONN_EXPLICIT)
6150 __hci_update_background_scan(req);
5a154e6f
JH		 6151 }
6152 break;
6153 }
6154
6155 params->auto_connect = auto_connect;
6156
6157 BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
6158 auto_connect);
6159
6160 return 0;
6161}
6162
8afef092
MH		 6163static void device_added(struct sock *sk, struct hci_dev *hdev,
6164 bdaddr_t *bdaddr, u8 type, u8 action)
6165{
6166 struct mgmt_ev_device_added ev;
6167
6168 bacpy(&ev.addr.bdaddr, bdaddr);
6169 ev.addr.type = type;
6170 ev.action = action;
6171
6172 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
6173}
6174
1904a853 6175static void add_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5a154e6f 6176{
3b0602cd 6177 struct mgmt_pending_cmd *cmd;
5a154e6f
JH		 6178
6179 BT_DBG("status 0x%02x", status);
6180
6181 hci_dev_lock(hdev);
6182
333ae95d 6183 cmd = pending_find(MGMT_OP_ADD_DEVICE, hdev);
5a154e6f
JH		 6184 if (!cmd)
6185 goto unlock;
6186
6187 cmd->cmd_complete(cmd, mgmt_status(status));
6188 mgmt_pending_remove(cmd);
6189
6190unlock:
6191 hci_dev_unlock(hdev);
6192}
6193
2faade53
MH		 6194static int add_device(struct sock *sk, struct hci_dev *hdev,
6195 void *data, u16 len)
6196{
6197 struct mgmt_cp_add_device *cp = data;
3b0602cd 6198 struct mgmt_pending_cmd *cmd;
5a154e6f 6199 struct hci_request req;
2faade53
MH		 6200 u8 auto_conn, addr_type;
6201 int err;
6202
6203 BT_DBG("%s", hdev->name);
6204
6659358e 6205 if (!bdaddr_type_is_valid(cp->addr.type) ||
2faade53 6206 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
2a1afb5a
JH		 6207 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6208 MGMT_STATUS_INVALID_PARAMS,
6209 &cp->addr, sizeof(cp->addr));
2faade53 6210
4b9e7e75 6211 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
2a1afb5a
JH		 6212 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6213 MGMT_STATUS_INVALID_PARAMS,
6214 &cp->addr, sizeof(cp->addr));
2faade53 6215
5a154e6f
JH		 6216 hci_req_init(&req, hdev);
6217
2faade53
MH		 6218 hci_dev_lock(hdev);
6219
5a154e6f
JH		 6220 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_DEVICE, hdev, data, len);
6221 if (!cmd) {
6222 err = -ENOMEM;
6223 goto unlock;
6224 }
6225
6226 cmd->cmd_complete = addr_cmd_complete;
6227
6659358e 6228 if (cp->addr.type == BDADDR_BREDR) {
4b9e7e75 6229 /* Only incoming connections action is supported for now */
6659358e 6230 if (cp->action != 0x01) {
9df74653
JH		 6231 err = cmd->cmd_complete(cmd,
6232 MGMT_STATUS_INVALID_PARAMS);
5a154e6f 6233 mgmt_pending_remove(cmd);
6659358e
JH		 6234 goto unlock;
6235 }
6236
6237 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
6238 cp->addr.type);
6239 if (err)
6240 goto unlock;
a397407f 6241
5a154e6f 6242 __hci_update_page_scan(&req);
a397407f 6243
6659358e
JH		 6244 goto added;
6245 }
6246
85813a7e 6247 addr_type = le_addr_type(cp->addr.type);
2faade53 6248
4b9e7e75 6249 if (cp->action == 0x02)
2faade53 6250 auto_conn = HCI_AUTO_CONN_ALWAYS;
4b9e7e75
MH		 6251 else if (cp->action == 0x01)
6252 auto_conn = HCI_AUTO_CONN_DIRECT;
2faade53 6253 else
a3451d27 6254 auto_conn = HCI_AUTO_CONN_REPORT;
2faade53 6255
9a0a8a8e
JP		 6256 /* Kernel internally uses conn_params with resolvable private
6257 * address, but Add Device allows only identity addresses.
6258 * Make sure it is enforced before calling
6259 * hci_conn_params_lookup.
6260 */
6261 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
6262 err = cmd->cmd_complete(cmd, MGMT_STATUS_INVALID_PARAMS);
6263 mgmt_pending_remove(cmd);
6264 goto unlock;
6265 }
6266
bf5b3c8b
MH		 6267 /* If the connection parameters don't exist for this device,
6268 * they will be created and configured with defaults.
6269 */
5a154e6f 6270 if (hci_conn_params_set(&req, &cp->addr.bdaddr, addr_type,
d06b50ce 6271 auto_conn) < 0) {
9df74653 6272 err = cmd->cmd_complete(cmd, MGMT_STATUS_FAILED);
5a154e6f 6273 mgmt_pending_remove(cmd);
2faade53
MH		 6274 goto unlock;
6275 }
6276
6659358e 6277added:
8afef092
MH		 6278 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
6279
5a154e6f
JH		 6280 err = hci_req_run(&req, add_device_complete);
6281 if (err < 0) {
6282 /* ENODATA means no HCI commands were needed (e.g. if
6283 * the adapter is powered off).
6284 */
9df74653
JH		 6285 if (err == -ENODATA)
6286 err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
5a154e6f
JH		 6287 mgmt_pending_remove(cmd);
6288 }
2faade53
MH		 6289
6290unlock:
6291 hci_dev_unlock(hdev);
6292 return err;
6293}
6294
8afef092
MH		 6295static void device_removed(struct sock *sk, struct hci_dev *hdev,
6296 bdaddr_t *bdaddr, u8 type)
6297{
6298 struct mgmt_ev_device_removed ev;
6299
6300 bacpy(&ev.addr.bdaddr, bdaddr);
6301 ev.addr.type = type;
6302
6303 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
6304}
6305
1904a853 6306static void remove_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
51ef3ebe 6307{
3b0602cd 6308 struct mgmt_pending_cmd *cmd;
51ef3ebe
JH		 6309
6310 BT_DBG("status 0x%02x", status);
6311
6312 hci_dev_lock(hdev);
6313
333ae95d 6314 cmd = pending_find(MGMT_OP_REMOVE_DEVICE, hdev);
51ef3ebe
JH		 6315 if (!cmd)
6316 goto unlock;
6317
6318 cmd->cmd_complete(cmd, mgmt_status(status));
6319 mgmt_pending_remove(cmd);
6320
6321unlock:
6322 hci_dev_unlock(hdev);
6323}
6324
2faade53
MH		 6325static int remove_device(struct sock *sk, struct hci_dev *hdev,
6326 void *data, u16 len)
6327{
6328 struct mgmt_cp_remove_device *cp = data;
3b0602cd 6329 struct mgmt_pending_cmd *cmd;
51ef3ebe 6330 struct hci_request req;
2faade53
MH		 6331 int err;
6332
6333 BT_DBG("%s", hdev->name);
6334
51ef3ebe
JH		 6335 hci_req_init(&req, hdev);
6336
2faade53
MH		 6337 hci_dev_lock(hdev);
6338
51ef3ebe
JH		 6339 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_DEVICE, hdev, data, len);
6340 if (!cmd) {
6341 err = -ENOMEM;
6342 goto unlock;
6343 }
6344
6345 cmd->cmd_complete = addr_cmd_complete;
6346
2faade53 6347 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
c71593dd 6348 struct hci_conn_params *params;
2faade53
MH		 6349 u8 addr_type;
6350
6659358e 6351 if (!bdaddr_type_is_valid(cp->addr.type)) {
9df74653
JH		 6352 err = cmd->cmd_complete(cmd,
6353 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6354 mgmt_pending_remove(cmd);
2faade53
MH		 6355 goto unlock;
6356 }
6357
6659358e
JH		 6358 if (cp->addr.type == BDADDR_BREDR) {
6359 err = hci_bdaddr_list_del(&hdev->whitelist,
6360 &cp->addr.bdaddr,
6361 cp->addr.type);
6362 if (err) {
9df74653
JH		 6363 err = cmd->cmd_complete(cmd,
6364 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6365 mgmt_pending_remove(cmd);
6659358e
JH		 6366 goto unlock;
6367 }
6368
51ef3ebe 6369 __hci_update_page_scan(&req);
a397407f 6370
6659358e
JH		 6371 device_removed(sk, hdev, &cp->addr.bdaddr,
6372 cp->addr.type);
6373 goto complete;
6374 }
6375
85813a7e 6376 addr_type = le_addr_type(cp->addr.type);
2faade53 6377
9a0a8a8e
JP		 6378 /* Kernel internally uses conn_params with resolvable private
6379 * address, but Remove Device allows only identity addresses.
6380 * Make sure it is enforced before calling
6381 * hci_conn_params_lookup.
6382 */
6383 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
6384 err = cmd->cmd_complete(cmd,
6385 MGMT_STATUS_INVALID_PARAMS);
6386 mgmt_pending_remove(cmd);
6387 goto unlock;
6388 }
6389
c71593dd
JH		 6390 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
6391 addr_type);
6392 if (!params) {
9df74653
JH		 6393 err = cmd->cmd_complete(cmd,
6394 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6395 mgmt_pending_remove(cmd);
c71593dd
JH		 6396 goto unlock;
6397 }
6398
679d2b6f
JH		 6399 if (params->auto_connect == HCI_AUTO_CONN_DISABLED ||
6400 params->auto_connect == HCI_AUTO_CONN_EXPLICIT) {
9df74653
JH		 6401 err = cmd->cmd_complete(cmd,
6402 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6403 mgmt_pending_remove(cmd);
c71593dd
JH		 6404 goto unlock;
6405 }
6406
d1dbf12e 6407 list_del(&params->action);
c71593dd
JH		 6408 list_del(&params->list);
6409 kfree(params);
51ef3ebe 6410 __hci_update_background_scan(&req);
8afef092
MH		 6411
6412 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53 6413 } else {
19de0825 6414 struct hci_conn_params *p, *tmp;
6659358e 6415 struct bdaddr_list *b, *btmp;
19de0825 6416
2faade53 6417 if (cp->addr.type) {
9df74653
JH		 6418 err = cmd->cmd_complete(cmd,
6419 MGMT_STATUS_INVALID_PARAMS);
51ef3ebe 6420 mgmt_pending_remove(cmd);
2faade53
MH		 6421 goto unlock;
6422 }
6423
6659358e
JH		 6424 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
6425 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
6426 list_del(&b->list);
6427 kfree(b);
6428 }
6429
51ef3ebe 6430 __hci_update_page_scan(&req);
a397407f 6431
19de0825
JH		 6432 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
6433 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
6434 continue;
6435 device_removed(sk, hdev, &p->addr, p->addr_type);
679d2b6f
JH		 6436 if (p->explicit_connect) {
6437 p->auto_connect = HCI_AUTO_CONN_EXPLICIT;
6438 continue;
6439 }
19de0825
JH		 6440 list_del(&p->action);
6441 list_del(&p->list);
6442 kfree(p);
6443 }
6444
6445 BT_DBG("All LE connection parameters were removed");
6446
51ef3ebe 6447 __hci_update_background_scan(&req);
2faade53
MH		 6448 }
6449
6659358e 6450complete:
51ef3ebe
JH		 6451 err = hci_req_run(&req, remove_device_complete);
6452 if (err < 0) {
6453 /* ENODATA means no HCI commands were needed (e.g. if
6454 * the adapter is powered off).
6455 */
9df74653
JH		 6456 if (err == -ENODATA)
6457 err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
51ef3ebe
JH		 6458 mgmt_pending_remove(cmd);
6459 }
2faade53
MH		 6460
6461unlock:
6462 hci_dev_unlock(hdev);
6463 return err;
6464}
6465
a26f3dcf
JH		 6466static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
6467 u16 len)
6468{
6469 struct mgmt_cp_load_conn_param *cp = data;
ba1d6936
JH		 6470 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
6471 sizeof(struct mgmt_conn_param));
a26f3dcf
JH		 6472 u16 param_count, expected_len;
6473 int i;
6474
6475 if (!lmp_le_capable(hdev))
a69e8375
JH		 6476 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6477 MGMT_STATUS_NOT_SUPPORTED);
a26f3dcf
JH		 6478
6479 param_count = __le16_to_cpu(cp->param_count);
ba1d6936
JH		 6480 if (param_count > max_param_count) {
6481 BT_ERR("load_conn_param: too big param_count value %u",
6482 param_count);
a69e8375
JH		 6483 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6484 MGMT_STATUS_INVALID_PARAMS);
ba1d6936 6485 }
a26f3dcf
JH		 6486
6487 expected_len = sizeof(*cp) + param_count *
6488 sizeof(struct mgmt_conn_param);
6489 if (expected_len != len) {
6490 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
6491 expected_len, len);
a69e8375
JH		 6492 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6493 MGMT_STATUS_INVALID_PARAMS);
a26f3dcf
JH		 6494 }
6495
6496 BT_DBG("%s param_count %u", hdev->name, param_count);
6497
6498 hci_dev_lock(hdev);
6499
6500 hci_conn_params_clear_disabled(hdev);
6501
6502 for (i = 0; i < param_count; i++) {
6503 struct mgmt_conn_param *param = &cp->params[i];
6504 struct hci_conn_params *hci_param;
6505 u16 min, max, latency, timeout;
6506 u8 addr_type;
6507
6508 BT_DBG("Adding %pMR (type %u)", &param->addr.bdaddr,
6509 param->addr.type);
6510
6511 if (param->addr.type == BDADDR_LE_PUBLIC) {
6512 addr_type = ADDR_LE_DEV_PUBLIC;
6513 } else if (param->addr.type == BDADDR_LE_RANDOM) {
6514 addr_type = ADDR_LE_DEV_RANDOM;
6515 } else {
6516 BT_ERR("Ignoring invalid connection parameters");
6517 continue;
6518 }
6519
6520 min = le16_to_cpu(param->min_interval);
6521 max = le16_to_cpu(param->max_interval);
6522 latency = le16_to_cpu(param->latency);
6523 timeout = le16_to_cpu(param->timeout);
6524
6525 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
6526 min, max, latency, timeout);
6527
6528 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
6529 BT_ERR("Ignoring invalid connection parameters");
6530 continue;
6531 }
6532
6533 hci_param = hci_conn_params_add(hdev, &param->addr.bdaddr,
6534 addr_type);
6535 if (!hci_param) {
6536 BT_ERR("Failed to add connection parameters");
6537 continue;
6538 }
6539
6540 hci_param->conn_min_interval = min;
6541 hci_param->conn_max_interval = max;
6542 hci_param->conn_latency = latency;
6543 hci_param->supervision_timeout = timeout;
6544 }
6545
6546 hci_dev_unlock(hdev);
6547
2a1afb5a
JH		 6548 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0,
6549 NULL, 0);
a26f3dcf
JH		 6550}
6551
dbece37a
MH		 6552static int set_external_config(struct sock *sk, struct hci_dev *hdev,
6553 void *data, u16 len)
6554{
6555 struct mgmt_cp_set_external_config *cp = data;
6556 bool changed;
6557 int err;
6558
6559 BT_DBG("%s", hdev->name);
6560
6561 if (hdev_is_powered(hdev))
a69e8375
JH		 6562 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6563 MGMT_STATUS_REJECTED);
dbece37a
MH		 6564
6565 if (cp->config != 0x00 && cp->config != 0x01)
a69e8375
JH		 6566 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6567 MGMT_STATUS_INVALID_PARAMS);
dbece37a
MH		 6568
6569 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
a69e8375
JH		 6570 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6571 MGMT_STATUS_NOT_SUPPORTED);
dbece37a
MH		 6572
6573 hci_dev_lock(hdev);
6574
6575 if (cp->config)
238be788 6576 changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a 6577 else
a69d8927 6578 changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED);
dbece37a
MH		 6579
6580 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
6581 if (err < 0)
6582 goto unlock;
6583
6584 if (!changed)
6585 goto unlock;
6586
f4537c04
MH		 6587 err = new_options(hdev, sk);
6588
d7a5a11d 6589 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
dbece37a 6590 mgmt_index_removed(hdev);
d603b76b 6591
516018a9 6592 if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
a1536da2
MH		 6593 hci_dev_set_flag(hdev, HCI_CONFIG);
6594 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
d603b76b
MH		 6595
6596 queue_work(hdev->req_workqueue, &hdev->power_on);
6597 } else {
5ea234d3 6598 set_bit(HCI_RAW, &hdev->flags);
d603b76b
MH		 6599 mgmt_index_added(hdev);
6600 }
dbece37a
MH		 6601 }
6602
6603unlock:
6604 hci_dev_unlock(hdev);
6605 return err;
6606}
6607
9713c17b
MH		 6608static int set_public_address(struct sock *sk, struct hci_dev *hdev,
6609 void *data, u16 len)
6610{
6611 struct mgmt_cp_set_public_address *cp = data;
6612 bool changed;
6613 int err;
6614
6615 BT_DBG("%s", hdev->name);
6616
6617 if (hdev_is_powered(hdev))
a69e8375
JH		 6618 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6619 MGMT_STATUS_REJECTED);
9713c17b
MH		 6620
6621 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
a69e8375
JH		 6622 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6623 MGMT_STATUS_INVALID_PARAMS);
9713c17b
MH		 6624
6625 if (!hdev->set_bdaddr)
a69e8375
JH		 6626 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6627 MGMT_STATUS_NOT_SUPPORTED);
9713c17b
MH		 6628
6629 hci_dev_lock(hdev);
6630
6631 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
6632 bacpy(&hdev->public_addr, &cp->bdaddr);
6633
6634 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
6635 if (err < 0)
6636 goto unlock;
6637
6638 if (!changed)
6639 goto unlock;
6640
d7a5a11d 6641 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
9713c17b
MH		 6642 err = new_options(hdev, sk);
6643
6644 if (is_configured(hdev)) {
6645 mgmt_index_removed(hdev);
6646
a358dc11 6647 hci_dev_clear_flag(hdev, HCI_UNCONFIGURED);
9713c17b 6648
a1536da2
MH		 6649 hci_dev_set_flag(hdev, HCI_CONFIG);
6650 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
9713c17b
MH		 6651
6652 queue_work(hdev->req_workqueue, &hdev->power_on);
6653 }
6654
6655unlock:
6656 hci_dev_unlock(hdev);
6657 return err;
6658}
6659
bea41609
MH		 6660static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6661 u8 data_len)
6662{
6663 eir[eir_len++] = sizeof(type) + data_len;
6664 eir[eir_len++] = type;
6665 memcpy(&eir[eir_len], data, data_len);
6666 eir_len += data_len;
6667
6668 return eir_len;
6669}
6670
40f66c05
JH		 6671static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
6672 u16 opcode, struct sk_buff *skb)
6673{
6674 const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
6675 struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
6676 u8 *h192, *r192, *h256, *r256;
6677 struct mgmt_pending_cmd *cmd;
6678 u16 eir_len;
6679 int err;
6680
6681 BT_DBG("%s status %u", hdev->name, status);
6682
6683 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
6684 if (!cmd)
6685 return;
6686
6687 mgmt_cp = cmd->param;
6688
6689 if (status) {
6690 status = mgmt_status(status);
6691 eir_len = 0;
6692
6693 h192 = NULL;
6694 r192 = NULL;
6695 h256 = NULL;
6696 r256 = NULL;
6697 } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
6698 struct hci_rp_read_local_oob_data *rp;
6699
6700 if (skb->len != sizeof(*rp)) {
6701 status = MGMT_STATUS_FAILED;
6702 eir_len = 0;
6703 } else {
6704 status = MGMT_STATUS_SUCCESS;
6705 rp = (void *)skb->data;
6706
6707 eir_len = 5 + 18 + 18;
6708 h192 = rp->hash;
6709 r192 = rp->rand;
6710 h256 = NULL;
6711 r256 = NULL;
6712 }
6713 } else {
6714 struct hci_rp_read_local_oob_ext_data *rp;
6715
6716 if (skb->len != sizeof(*rp)) {
6717 status = MGMT_STATUS_FAILED;
6718 eir_len = 0;
6719 } else {
6720 status = MGMT_STATUS_SUCCESS;
6721 rp = (void *)skb->data;
6722
6723 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
6724 eir_len = 5 + 18 + 18;
6725 h192 = NULL;
6726 r192 = NULL;
6727 } else {
6728 eir_len = 5 + 18 + 18 + 18 + 18;
6729 h192 = rp->hash192;
6730 r192 = rp->rand192;
6731 }
6732
6733 h256 = rp->hash256;
6734 r256 = rp->rand256;
6735 }
6736 }
6737
6738 mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL);
6739 if (!mgmt_rp)
6740 goto done;
6741
6742 if (status)
6743 goto send_rsp;
6744
6745 eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV,
6746 hdev->dev_class, 3);
6747
6748 if (h192 && r192) {
6749 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6750 EIR_SSP_HASH_C192, h192, 16);
6751 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6752 EIR_SSP_RAND_R192, r192, 16);
6753 }
6754
6755 if (h256 && r256) {
6756 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6757 EIR_SSP_HASH_C256, h256, 16);
6758 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6759 EIR_SSP_RAND_R256, r256, 16);
6760 }
6761
6762send_rsp:
6763 mgmt_rp->type = mgmt_cp->type;
6764 mgmt_rp->eir_len = cpu_to_le16(eir_len);
6765
6766 err = mgmt_cmd_complete(cmd->sk, hdev->id,
6767 MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status,
6768 mgmt_rp, sizeof(*mgmt_rp) + eir_len);
6769 if (err < 0 || status)
6770 goto done;
6771
6772 hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS);
6773
6774 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6775 mgmt_rp, sizeof(*mgmt_rp) + eir_len,
6776 HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
6777done:
6778 kfree(mgmt_rp);
6779 mgmt_pending_remove(cmd);
6780}
6781
6782static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
6783 struct mgmt_cp_read_local_oob_ext_data *cp)
6784{
6785 struct mgmt_pending_cmd *cmd;
6786 struct hci_request req;
6787 int err;
6788
6789 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
6790 cp, sizeof(*cp));
6791 if (!cmd)
6792 return -ENOMEM;
6793
6794 hci_req_init(&req, hdev);
6795
6796 if (bredr_sc_enabled(hdev))
6797 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
6798 else
6799 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
6800
6801 err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
6802 if (err < 0) {
6803 mgmt_pending_remove(cmd);
6804 return err;
6805 }
6806
6807 return 0;
6808}
6809
4f0f155c
MH		 6810static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
6811 void *data, u16 data_len)
6812{
6813 struct mgmt_cp_read_local_oob_ext_data *cp = data;
6814 struct mgmt_rp_read_local_oob_ext_data *rp;
6815 size_t rp_len;
6816 u16 eir_len;
0821a2c5 6817 u8 status, flags, role, addr[7], hash[16], rand[16];
4f0f155c
MH		 6818 int err;
6819
6820 BT_DBG("%s", hdev->name);
6821
57b0d3e8
MH		 6822 if (hdev_is_powered(hdev)) {
6823 switch (cp->type) {
6824 case BIT(BDADDR_BREDR):
6825 status = mgmt_bredr_support(hdev);
6826 if (status)
6827 eir_len = 0;
6828 else
6829 eir_len = 5;
6830 break;
6831 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
6832 status = mgmt_le_support(hdev);
6833 if (status)
6834 eir_len = 0;
6835 else
6836 eir_len = 9 + 3 + 18 + 18 + 3;
6837 break;
6838 default:
6839 status = MGMT_STATUS_INVALID_PARAMS;
6840 eir_len = 0;
6841 break;
6842 }
6843 } else {
6844 status = MGMT_STATUS_NOT_POWERED;
6845 eir_len = 0;
4f0f155c
MH		 6846 }
6847
4f0f155c
MH		 6848 rp_len = sizeof(*rp) + eir_len;
6849 rp = kmalloc(rp_len, GFP_ATOMIC);
efcd8c98 6850 if (!rp)
4f0f155c 6851 return -ENOMEM;
efcd8c98 6852
57b0d3e8
MH		 6853 if (status)
6854 goto complete;
6855
efcd8c98 6856 hci_dev_lock(hdev);
4f0f155c
MH		 6857
6858 eir_len = 0;
6859 switch (cp->type) {
6860 case BIT(BDADDR_BREDR):
40f66c05
JH		 6861 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
6862 err = read_local_ssp_oob_req(hdev, sk, cp);
6863 hci_dev_unlock(hdev);
6864 if (!err)
6865 goto done;
6866
6867 status = MGMT_STATUS_FAILED;
6868 goto complete;
6869 } else {
6870 eir_len = eir_append_data(rp->eir, eir_len,
6871 EIR_CLASS_OF_DEV,
6872 hdev->dev_class, 3);
6873 }
4f0f155c
MH		 6874 break;
6875 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
5082a599
MH		 6876 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
6877 smp_generate_oob(hdev, hash, rand) < 0) {
0821a2c5 6878 hci_dev_unlock(hdev);
57b0d3e8
MH		 6879 status = MGMT_STATUS_FAILED;
6880 goto complete;
0821a2c5
MH		 6881 }
6882
e213568a
MH		 6883 /* This should return the active RPA, but since the RPA
6884 * is only programmed on demand, it is really hard to fill
6885 * this in at the moment. For now disallow retrieving
6886 * local out-of-band data when privacy is in use.
6887 *
6888 * Returning the identity address will not help here since
6889 * pairing happens before the identity resolving key is
6890 * known and thus the connection establishment happens
6891 * based on the RPA and not the identity address.
6892 */
4f0f155c 6893 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
e213568a
MH		 6894 hci_dev_unlock(hdev);
6895 status = MGMT_STATUS_REJECTED;
6896 goto complete;
6897 }
6898
6899 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
6900 !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
6901 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
6902 bacmp(&hdev->static_addr, BDADDR_ANY))) {
4f0f155c
MH		 6903 memcpy(addr, &hdev->static_addr, 6);
6904 addr[6] = 0x01;
6905 } else {
6906 memcpy(addr, &hdev->bdaddr, 6);
6907 addr[6] = 0x00;
6908 }
6909
6910 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR,
6911 addr, sizeof(addr));
6912
6913 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
6914 role = 0x02;
6915 else
6916 role = 0x01;
6917
6918 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE,
6919 &role, sizeof(role));
6920
5082a599
MH		 6921 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) {
6922 eir_len = eir_append_data(rp->eir, eir_len,
6923 EIR_LE_SC_CONFIRM,
6924 hash, sizeof(hash));
0821a2c5 6925
5082a599
MH		 6926 eir_len = eir_append_data(rp->eir, eir_len,
6927 EIR_LE_SC_RANDOM,
6928 rand, sizeof(rand));
6929 }
0821a2c5 6930
4f0f155c
MH		 6931 flags = get_adv_discov_flags(hdev);
6932
6933 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
6934 flags |= LE_AD_NO_BREDR;
6935
6936 eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS,
6937 &flags, sizeof(flags));
6938 break;
6939 }
6940
4f0f155c
MH		 6941 hci_dev_unlock(hdev);
6942
72000df2
MH		 6943 hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
6944
57b0d3e8
MH		 6945 status = MGMT_STATUS_SUCCESS;
6946
6947complete:
efcd8c98
MH		 6948 rp->type = cp->type;
6949 rp->eir_len = cpu_to_le16(eir_len);
6950
4f0f155c 6951 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
57b0d3e8
MH		 6952 status, rp, sizeof(*rp) + eir_len);
6953 if (err < 0 || status)
72000df2
MH		 6954 goto done;
6955
6956 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6957 rp, sizeof(*rp) + eir_len,
6958 HCI_MGMT_OOB_DATA_EVENTS, sk);
4f0f155c 6959
0821a2c5 6960done:
4f0f155c
MH		 6961 kfree(rp);
6962
6963 return err;
6964}
6965
089fa8c0
AU		 6966static u32 get_supported_adv_flags(struct hci_dev *hdev)
6967{
6968 u32 flags = 0;
6969
6970 flags |= MGMT_ADV_FLAG_CONNECTABLE;
6971 flags |= MGMT_ADV_FLAG_DISCOV;
6972 flags |= MGMT_ADV_FLAG_LIMITED_DISCOV;
6973 flags |= MGMT_ADV_FLAG_MANAGED_FLAGS;
6974
6975 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID)
6976 flags |= MGMT_ADV_FLAG_TX_POWER;
6977
6978 return flags;
6979}
6980
d3d5305b
MH		 6981static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
6982 void *data, u16 data_len)
6983{
6984 struct mgmt_rp_read_adv_features *rp;
6985 size_t rp_len;
286e0c83 6986 int err, i;
24b4f38f 6987 bool instance;
286e0c83 6988 struct adv_info *adv_instance;
089fa8c0 6989 u32 supported_flags;
d3d5305b
MH		 6990
6991 BT_DBG("%s", hdev->name);
6992
089fa8c0
AU		 6993 if (!lmp_le_capable(hdev))
6994 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
6995 MGMT_STATUS_REJECTED);
6996
d3d5305b
MH		 6997 hci_dev_lock(hdev);
6998
6999 rp_len = sizeof(*rp);
24b4f38f 7000
24b4f38f
AU		 7001 instance = hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE);
7002 if (instance)
286e0c83 7003 rp_len += hdev->adv_instance_cnt;
24b4f38f 7004
d3d5305b
MH		 7005 rp = kmalloc(rp_len, GFP_ATOMIC);
7006 if (!rp) {
7007 hci_dev_unlock(hdev);
7008 return -ENOMEM;
7009 }
7010
089fa8c0
AU		 7011 supported_flags = get_supported_adv_flags(hdev);
7012
7013 rp->supported_flags = cpu_to_le32(supported_flags);
dc5d82a9
MH		 7014 rp->max_adv_data_len = HCI_MAX_AD_LENGTH;
7015 rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH;
d2609b34 7016 rp->max_instances = HCI_MAX_ADV_INSTANCES;
24b4f38f 7017
24b4f38f 7018 if (instance) {
286e0c83
FG		 7019 i = 0;
7020 list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
7021 if (i >= hdev->adv_instance_cnt)
7022 break;
7023
7024 rp->instance[i] = adv_instance->instance;
7025 i++;
7026 }
7027 rp->num_instances = hdev->adv_instance_cnt;
24b4f38f
AU		 7028 } else {
7029 rp->num_instances = 0;
7030 }
d3d5305b
MH		 7031
7032 hci_dev_unlock(hdev);
7033
7034 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
7035 MGMT_STATUS_SUCCESS, rp, rp_len);
7036
7037 kfree(rp);
7038
7039 return err;
7040}
7041
4117ed70 7042static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
b44133ff 7043 u8 len, bool is_adv_data)
24b4f38f 7044{
4117ed70 7045 u8 max_len = HCI_MAX_AD_LENGTH;
24b4f38f 7046 int i, cur_len;
b44133ff 7047 bool flags_managed = false;
5507e358 7048 bool tx_power_managed = false;
67e0c0cd
AU		 7049 u32 flags_params = MGMT_ADV_FLAG_DISCOV | MGMT_ADV_FLAG_LIMITED_DISCOV |
7050 MGMT_ADV_FLAG_MANAGED_FLAGS;
24b4f38f 7051
807ec772 7052 if (is_adv_data && (adv_flags & flags_params)) {
b44133ff
AU		 7053 flags_managed = true;
7054 max_len -= 3;
7055 }
24b4f38f 7056
5507e358
AU		 7057 if (is_adv_data && (adv_flags & MGMT_ADV_FLAG_TX_POWER)) {
7058 tx_power_managed = true;
7059 max_len -= 3;
7060 }
7061
4117ed70 7062 if (len > max_len)
24b4f38f
AU		 7063 return false;
7064
4117ed70
AU		 7065 /* Make sure that the data is correctly formatted. */
7066 for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) {
7067 cur_len = data[i];
24b4f38f 7068
b44133ff
AU		 7069 if (flags_managed && data[i + 1] == EIR_FLAGS)
7070 return false;
7071
5507e358
AU		 7072 if (tx_power_managed && data[i + 1] == EIR_TX_POWER)
7073 return false;
7074
24b4f38f
AU		 7075 /* If the current field length would exceed the total data
7076 * length, then it's invalid.
7077 */
4117ed70 7078 if (i + cur_len >= len)
24b4f38f
AU		 7079 return false;
7080 }
7081
7082 return true;
7083}
7084
24b4f38f
AU		 7085static void add_advertising_complete(struct hci_dev *hdev, u8 status,
7086 u16 opcode)
7087{
7088 struct mgmt_pending_cmd *cmd;
fffd38bc 7089 struct mgmt_cp_add_advertising *cp;
24b4f38f 7090 struct mgmt_rp_add_advertising rp;
fffd38bc
FG		 7091 struct adv_info *adv_instance, *n;
7092 u8 instance;
24b4f38f
AU		 7093
7094 BT_DBG("status %d", status);
7095
7096 hci_dev_lock(hdev);
7097
7098 cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
7099
fffd38bc 7100 if (status)
24b4f38f 7101 hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
fffd38bc
FG		 7102
7103 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
7104 if (!adv_instance->pending)
7105 continue;
7106
7107 if (!status) {
7108 adv_instance->pending = false;
7109 continue;
7110 }
7111
7112 instance = adv_instance->instance;
7113
7114 if (hdev->cur_adv_instance == instance)
7115 cancel_adv_timeout(hdev);
7116
7117 hci_remove_adv_instance(hdev, instance);
7118 advertising_removed(cmd ? cmd->sk : NULL, hdev, instance);
24b4f38f
AU		 7119 }
7120
7121 if (!cmd)
7122 goto unlock;
7123
fffd38bc
FG		 7124 cp = cmd->param;
7125 rp.instance = cp->instance;
24b4f38f
AU		 7126
7127 if (status)
7128 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
7129 mgmt_status(status));
7130 else
7131 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
7132 mgmt_status(status), &rp, sizeof(rp));
7133
7134 mgmt_pending_remove(cmd);
7135
7136unlock:
7137 hci_dev_unlock(hdev);
7138}
7139
5d900e46 7140void mgmt_adv_timeout_expired(struct hci_dev *hdev)
912098a6 7141{
847818d9
FG		 7142 u8 instance;
7143 struct hci_request req;
7144
5d900e46 7145 hdev->adv_instance_timeout = 0;
912098a6 7146
847818d9
FG		 7147 instance = get_current_adv_instance(hdev);
7148 if (instance == 0x00)
7149 return;
7150
912098a6 7151 hci_dev_lock(hdev);
847818d9
FG		 7152 hci_req_init(&req, hdev);
7153
7154 clear_adv_instance(hdev, &req, instance, false);
7155
7156 if (list_empty(&hdev->adv_instances))
7157 disable_advertising(&req);
7158
7159 if (!skb_queue_empty(&req.cmd_q))
7160 hci_req_run(&req, NULL);
7161
912098a6
AU		 7162 hci_dev_unlock(hdev);
7163}
7164
24b4f38f
AU		 7165static int add_advertising(struct sock *sk, struct hci_dev *hdev,
7166 void *data, u16 data_len)
7167{
7168 struct mgmt_cp_add_advertising *cp = data;
7169 struct mgmt_rp_add_advertising rp;
7170 u32 flags;
089fa8c0 7171 u32 supported_flags;
24b4f38f 7172 u8 status;
fffd38bc
FG		 7173 u16 timeout, duration;
7174 unsigned int prev_instance_cnt = hdev->adv_instance_cnt;
7175 u8 schedule_instance = 0;
7176 struct adv_info *next_instance;
24b4f38f
AU		 7177 int err;
7178 struct mgmt_pending_cmd *cmd;
7179 struct hci_request req;
7180
7181 BT_DBG("%s", hdev->name);
7182
7183 status = mgmt_le_support(hdev);
7184 if (status)
7185 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7186 status);
7187
7188 flags = __le32_to_cpu(cp->flags);
912098a6 7189 timeout = __le16_to_cpu(cp->timeout);
fffd38bc 7190 duration = __le16_to_cpu(cp->duration);
24b4f38f 7191
fffd38bc
FG		 7192 /* The current implementation only supports a subset of the specified
7193 * flags.
089fa8c0
AU		 7194 */
7195 supported_flags = get_supported_adv_flags(hdev);
fffd38bc 7196 if (flags & ~supported_flags)
24b4f38f
AU		 7197 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7198 MGMT_STATUS_INVALID_PARAMS);
7199
7200 hci_dev_lock(hdev);
7201
912098a6
AU		 7202 if (timeout && !hdev_is_powered(hdev)) {
7203 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7204 MGMT_STATUS_REJECTED);
7205 goto unlock;
7206 }
7207
24b4f38f 7208 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
da929335 7209 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
24b4f38f
AU		 7210 pending_find(MGMT_OP_SET_LE, hdev)) {
7211 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7212 MGMT_STATUS_BUSY);
7213 goto unlock;
7214 }
7215
b44133ff 7216 if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) ||
4117ed70 7217 !tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len,
b44133ff 7218 cp->scan_rsp_len, false)) {
24b4f38f
AU		 7219 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7220 MGMT_STATUS_INVALID_PARAMS);
7221 goto unlock;
7222 }
7223
fffd38bc
FG		 7224 err = hci_add_adv_instance(hdev, cp->instance, flags,
7225 cp->adv_data_len, cp->data,
7226 cp->scan_rsp_len,
7227 cp->data + cp->adv_data_len,
7228 timeout, duration);
7229 if (err < 0) {
7230 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7231 MGMT_STATUS_FAILED);
7232 goto unlock;
7233 }
24b4f38f 7234
fffd38bc
FG		 7235 /* Only trigger an advertising added event if a new instance was
7236 * actually added.
7237 */
7238 if (hdev->adv_instance_cnt > prev_instance_cnt)
7239 advertising_added(sk, hdev, cp->instance);
912098a6 7240
fffd38bc 7241 hci_dev_set_flag(hdev, HCI_ADVERTISING_INSTANCE);
912098a6 7242
fffd38bc
FG		 7243 if (hdev->cur_adv_instance == cp->instance) {
7244 /* If the currently advertised instance is being changed then
7245 * cancel the current advertising and schedule the next
7246 * instance. If there is only one instance then the overridden
7247 * advertising data will be visible right away.
7248 */
7249 cancel_adv_timeout(hdev);
912098a6 7250
fffd38bc
FG		 7251 next_instance = hci_get_next_instance(hdev, cp->instance);
7252 if (next_instance)
7253 schedule_instance = next_instance->instance;
7254 } else if (!hdev->adv_instance_timeout) {
7255 /* Immediately advertise the new instance if no other
7256 * instance is currently being advertised.
7257 */
7258 schedule_instance = cp->instance;
7259 }
24b4f38f 7260
fffd38bc
FG		 7261 /* If the HCI_ADVERTISING flag is set or the device isn't powered or
7262 * there is no instance to be advertised then we have no HCI
7263 * communication to make. Simply return.
24b4f38f
AU		 7264 */
7265 if (!hdev_is_powered(hdev) ||
fffd38bc
FG		 7266 hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7267 !schedule_instance) {
7268 rp.instance = cp->instance;
24b4f38f
AU		 7269 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7270 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7271 goto unlock;
7272 }
7273
7274 /* We're good to go, update advertising data, parameters, and start
7275 * advertising.
7276 */
7277 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
7278 data_len);
7279 if (!cmd) {
7280 err = -ENOMEM;
7281 goto unlock;
7282 }
7283
7284 hci_req_init(&req, hdev);
7285
fffd38bc
FG		 7286 err = schedule_adv_instance(&req, schedule_instance, true);
7287
7288 if (!err)
7289 err = hci_req_run(&req, add_advertising_complete);
24b4f38f 7290
24b4f38f
AU		 7291 if (err < 0)
7292 mgmt_pending_remove(cmd);
7293
7294unlock:
7295 hci_dev_unlock(hdev);
7296
7297 return err;
7298}
7299
da929335
AU		 7300static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
7301 u16 opcode)
7302{
7303 struct mgmt_pending_cmd *cmd;
01948331 7304 struct mgmt_cp_remove_advertising *cp;
da929335
AU		 7305 struct mgmt_rp_remove_advertising rp;
7306
7307 BT_DBG("status %d", status);
7308
7309 hci_dev_lock(hdev);
7310
7311 /* A failure status here only means that we failed to disable
7312 * advertising. Otherwise, the advertising instance has been removed,
7313 * so report success.
7314 */
7315 cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
7316 if (!cmd)
7317 goto unlock;
7318
01948331
FG		 7319 cp = cmd->param;
7320 rp.instance = cp->instance;
da929335
AU		 7321
7322 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
7323 &rp, sizeof(rp));
7324 mgmt_pending_remove(cmd);
7325
7326unlock:
7327 hci_dev_unlock(hdev);
7328}
7329
7330static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
7331 void *data, u16 data_len)
7332{
7333 struct mgmt_cp_remove_advertising *cp = data;
7334 struct mgmt_rp_remove_advertising rp;
da929335
AU		 7335 struct mgmt_pending_cmd *cmd;
7336 struct hci_request req;
952497b1 7337 int err;
da929335
AU		 7338
7339 BT_DBG("%s", hdev->name);
7340
da929335
AU		 7341 hci_dev_lock(hdev);
7342
952497b1 7343 if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
01948331
FG		 7344 err = mgmt_cmd_status(sk, hdev->id,
7345 MGMT_OP_REMOVE_ADVERTISING,
7346 MGMT_STATUS_INVALID_PARAMS);
7347 goto unlock;
7348 }
7349
da929335
AU		 7350 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
7351 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
7352 pending_find(MGMT_OP_SET_LE, hdev)) {
7353 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7354 MGMT_STATUS_BUSY);
7355 goto unlock;
7356 }
7357
7358 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE)) {
7359 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7360 MGMT_STATUS_INVALID_PARAMS);
7361 goto unlock;
7362 }
7363
01948331 7364 hci_req_init(&req, hdev);
da929335 7365
01948331 7366 clear_adv_instance(hdev, &req, cp->instance, true);
da929335 7367
01948331
FG		 7368 if (list_empty(&hdev->adv_instances))
7369 disable_advertising(&req);
da929335 7370
01948331
FG		 7371 /* If no HCI commands have been collected so far or the HCI_ADVERTISING
7372 * flag is set or the device isn't powered then we have no HCI
7373 * communication to make. Simply return.
da929335 7374 */
01948331
FG		 7375 if (skb_queue_empty(&req.cmd_q) ||
7376 !hdev_is_powered(hdev) ||
da929335 7377 hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
01948331 7378 rp.instance = cp->instance;
da929335
AU		 7379 err = mgmt_cmd_complete(sk, hdev->id,
7380 MGMT_OP_REMOVE_ADVERTISING,
7381 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7382 goto unlock;
7383 }
7384
7385 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
7386 data_len);
7387 if (!cmd) {
7388 err = -ENOMEM;
7389 goto unlock;
7390 }
7391
da929335
AU		 7392 err = hci_req_run(&req, remove_advertising_complete);
7393 if (err < 0)
7394 mgmt_pending_remove(cmd);
7395
7396unlock:
7397 hci_dev_unlock(hdev);
7398
7399 return err;
7400}
7401
6d785aa3 7402static const struct hci_mgmt_handler mgmt_handlers[] = {
0f4e68cf 7403 { NULL }, /* 0x0000 (no command) */
b9a245fb 7404 { read_version, MGMT_READ_VERSION_SIZE,
c91041dc
MH		 7405 HCI_MGMT_NO_HDEV |
7406 HCI_MGMT_UNTRUSTED },
b9a245fb 7407 { read_commands, MGMT_READ_COMMANDS_SIZE,
c91041dc
MH		 7408 HCI_MGMT_NO_HDEV |
7409 HCI_MGMT_UNTRUSTED },
b9a245fb 7410 { read_index_list, MGMT_READ_INDEX_LIST_SIZE,
c91041dc
MH		 7411 HCI_MGMT_NO_HDEV |
7412 HCI_MGMT_UNTRUSTED },
7413 { read_controller_info, MGMT_READ_INFO_SIZE,
7414 HCI_MGMT_UNTRUSTED },
7aea8616
MH		 7415 { set_powered, MGMT_SETTING_SIZE },
7416 { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE },
7417 { set_connectable, MGMT_SETTING_SIZE },
7418 { set_fast_connectable, MGMT_SETTING_SIZE },
7419 { set_bondable, MGMT_SETTING_SIZE },
7420 { set_link_security, MGMT_SETTING_SIZE },
7421 { set_ssp, MGMT_SETTING_SIZE },
7422 { set_hs, MGMT_SETTING_SIZE },
7423 { set_le, MGMT_SETTING_SIZE },
7424 { set_dev_class, MGMT_SET_DEV_CLASS_SIZE },
7425 { set_local_name, MGMT_SET_LOCAL_NAME_SIZE },
7426 { add_uuid, MGMT_ADD_UUID_SIZE },
7427 { remove_uuid, MGMT_REMOVE_UUID_SIZE },
b9a245fb
JH		 7428 { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE,
7429 HCI_MGMT_VAR_LEN },
7430 { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE,
7431 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7432 { disconnect, MGMT_DISCONNECT_SIZE },
7433 { get_connections, MGMT_GET_CONNECTIONS_SIZE },
7434 { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE },
7435 { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE },
7436 { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE },
7437 { pair_device, MGMT_PAIR_DEVICE_SIZE },
7438 { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE },
7439 { unpair_device, MGMT_UNPAIR_DEVICE_SIZE },
7440 { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE },
7441 { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
7442 { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE },
7443 { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
b9a245fb
JH		 7444 { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE },
7445 { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE,
7446 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7447 { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
7448 { start_discovery, MGMT_START_DISCOVERY_SIZE },
7449 { stop_discovery, MGMT_STOP_DISCOVERY_SIZE },
7450 { confirm_name, MGMT_CONFIRM_NAME_SIZE },
7451 { block_device, MGMT_BLOCK_DEVICE_SIZE },
7452 { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE },
7453 { set_device_id, MGMT_SET_DEVICE_ID_SIZE },
7454 { set_advertising, MGMT_SETTING_SIZE },
7455 { set_bredr, MGMT_SETTING_SIZE },
7456 { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE },
7457 { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE },
7458 { set_secure_conn, MGMT_SETTING_SIZE },
7459 { set_debug_keys, MGMT_SETTING_SIZE },
7460 { set_privacy, MGMT_SET_PRIVACY_SIZE },
b9a245fb
JH		 7461 { load_irks, MGMT_LOAD_IRKS_SIZE,
7462 HCI_MGMT_VAR_LEN },
7aea8616
MH		 7463 { get_conn_info, MGMT_GET_CONN_INFO_SIZE },
7464 { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE },
7465 { add_device, MGMT_ADD_DEVICE_SIZE },
7466 { remove_device, MGMT_REMOVE_DEVICE_SIZE },
b9a245fb
JH		 7467 { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE,
7468 HCI_MGMT_VAR_LEN },
7469 { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE,
c91041dc
MH		 7470 HCI_MGMT_NO_HDEV |
7471 HCI_MGMT_UNTRUSTED },
b9a245fb 7472 { read_config_info, MGMT_READ_CONFIG_INFO_SIZE,
c91041dc
MH		 7473 HCI_MGMT_UNCONFIGURED |
7474 HCI_MGMT_UNTRUSTED },
b9a245fb
JH		 7475 { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE,
7476 HCI_MGMT_UNCONFIGURED },
7477 { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE,
7478 HCI_MGMT_UNCONFIGURED },
7479 { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE,
7480 HCI_MGMT_VAR_LEN },
4f0f155c 7481 { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE },
96f1474a 7482 { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE,
c91041dc
MH		 7483 HCI_MGMT_NO_HDEV |
7484 HCI_MGMT_UNTRUSTED },
d3d5305b 7485 { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE },
24b4f38f
AU		 7486 { add_advertising, MGMT_ADD_ADVERTISING_SIZE,
7487 HCI_MGMT_VAR_LEN },
da929335 7488 { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
0f4e68cf
JH		 7489};
7490
bf6b56db 7491void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 7492{
ced85549 7493 struct mgmt_ev_ext_index ev;
bb4b2a9a 7494
0602a8ad
MH		 7495 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7496 return;
7497
f9207338
MH		 7498 switch (hdev->dev_type) {
7499 case HCI_BREDR:
7500 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7501 mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
7502 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 7503 ev.type = 0x01;
f9207338
MH		 7504 } else {
7505 mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
7506 HCI_MGMT_INDEX_EVENTS);
ced85549 7507 ev.type = 0x00;
f9207338
MH		 7508 }
7509 break;
ced85549
MH		 7510 case HCI_AMP:
7511 ev.type = 0x02;
7512 break;
7513 default:
7514 return;
f9207338 7515 }
ced85549
MH		 7516
7517 ev.bus = hdev->bus;
7518
7519 mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev),
7520 HCI_MGMT_EXT_INDEX_EVENTS);
c71e97bf
JH		 7521}
7522
bf6b56db 7523void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 7524{
ced85549 7525 struct mgmt_ev_ext_index ev;
5f159032 7526 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 7527
0602a8ad
MH		 7528 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7529 return;
7530
f9207338
MH		 7531 switch (hdev->dev_type) {
7532 case HCI_BREDR:
7533 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
b24752fe 7534
f9207338
MH		 7535 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7536 mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
7537 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
ced85549 7538 ev.type = 0x01;
f9207338
MH		 7539 } else {
7540 mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
7541 HCI_MGMT_INDEX_EVENTS);
ced85549 7542 ev.type = 0x00;
f9207338
MH		 7543 }
7544 break;
ced85549
MH		 7545 case HCI_AMP:
7546 ev.type = 0x02;
7547 break;
7548 default:
7549 return;
f9207338 7550 }
ced85549
MH		 7551
7552 ev.bus = hdev->bus;
7553
7554 mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev),
7555 HCI_MGMT_EXT_INDEX_EVENTS);
eec8d2bc
JH		 7556}
7557
6046dc3e 7558/* This function requires the caller holds hdev->lock */
2cf22218 7559static void restart_le_actions(struct hci_request *req)
6046dc3e 7560{
2cf22218 7561 struct hci_dev *hdev = req->hdev;
6046dc3e
AG		 7562 struct hci_conn_params *p;
7563
7564 list_for_each_entry(p, &hdev->le_conn_params, list) {
d7347f3c
JH		 7565 /* Needed for AUTO_OFF case where might not "really"
7566 * have been powered off.
7567 */
7568 list_del_init(&p->action);
7569
7570 switch (p->auto_connect) {
4b9e7e75 7571 case HCI_AUTO_CONN_DIRECT:
d7347f3c
JH		 7572 case HCI_AUTO_CONN_ALWAYS:
7573 list_add(&p->action, &hdev->pend_le_conns);
7574 break;
7575 case HCI_AUTO_CONN_REPORT:
7576 list_add(&p->action, &hdev->pend_le_reports);
7577 break;
7578 default:
7579 break;
c83ed19d 7580 }
6046dc3e 7581 }
c83ed19d 7582
2cf22218 7583 __hci_update_background_scan(req);
6046dc3e
AG		 7584}
7585
1904a853 7586static void powered_complete(struct hci_dev *hdev, u8 status, u16 opcode)
229ab39c
JH		 7587{
7588 struct cmd_lookup match = { NULL, hdev };
7589
7590 BT_DBG("status 0x%02x", status);
7591
162a3bac
MH		 7592 if (!status) {
7593 /* Register the available SMP channels (BR/EDR and LE) only
7594 * when successfully powering on the controller. This late
7595 * registration is required so that LE SMP can clearly
7596 * decide if the public address or static address is used.
7597 */
7598 smp_register(hdev);
7599 }
7600
229ab39c
JH		 7601 hci_dev_lock(hdev);
7602
7603 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
7604
7605 new_settings(hdev, match.sk);
7606
7607 hci_dev_unlock(hdev);
7608
7609 if (match.sk)
7610 sock_put(match.sk);
7611}
7612
70da6243 7613static int powered_update_hci(struct hci_dev *hdev)
5add6af8 7614{
890ea898 7615 struct hci_request req;
320b3bf7 7616 struct adv_info *adv_instance;
70da6243 7617 u8 link_sec;
5add6af8 7618
890ea898
JH		 7619 hci_req_init(&req, hdev);
7620
d7a5a11d 7621 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
70da6243 7622 !lmp_host_ssp_capable(hdev)) {
574ea3c7 7623 u8 mode = 0x01;
5e5282bb 7624
574ea3c7
MH		 7625 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
7626
7627 if (bredr_sc_enabled(hdev) && !lmp_host_sc_capable(hdev)) {
7628 u8 support = 0x01;
5add6af8 7629
574ea3c7
MH		 7630 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT,
7631 sizeof(support), &support);
7632 }
ec6f99b8
JH		 7633 }
7634
d7a5a11d 7635 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
c73eee91 7636 lmp_bredr_capable(hdev)) {
70da6243 7637 struct hci_cp_write_le_host_supported cp;
f0ff92fb 7638
32226e4f
MH		 7639 cp.le = 0x01;
7640 cp.simul = 0x00;
3d1cbdd6 7641
70da6243
JH		 7642 /* Check first if we already have the right
7643 * host state (host features set)
7644 */
7645 if (cp.le != lmp_host_le_capable(hdev) ||
7646 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 7647 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
7648 sizeof(cp), &cp);
70da6243 7649 }
3d1cbdd6 7650
d13eafce 7651 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 7652 /* Make sure the controller has a good default for
7653 * advertising data. This also applies to the case
7654 * where BR/EDR was toggled during the AUTO_OFF phase.
7655 */
320b3bf7
FG		 7656 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
7657 (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7658 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))) {
5947f4bc 7659 update_adv_data(&req);
f14d8f64
MH		 7660 update_scan_rsp_data(&req);
7661 }
441ad2d0 7662
320b3bf7
FG		 7663 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7664 hdev->cur_adv_instance == 0x00 &&
7665 !list_empty(&hdev->adv_instances)) {
7666 adv_instance = list_first_entry(&hdev->adv_instances,
7667 struct adv_info, list);
7668 hdev->cur_adv_instance = adv_instance->instance;
7669 }
7670
7671 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
bba3aa55 7672 enable_advertising(&req);
320b3bf7
FG		 7673 else if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7674 hdev->cur_adv_instance)
7675 schedule_adv_instance(&req, hdev->cur_adv_instance,
7676 true);
2cf22218
JH		 7677
7678 restart_le_actions(&req);
eeca6f89
JH		 7679 }
7680
d7a5a11d 7681 link_sec = hci_dev_test_flag(hdev, HCI_LINK_SECURITY);
70da6243 7682 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 7683 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
7684 sizeof(link_sec), &link_sec);
562fcc24 7685
70da6243 7686 if (lmp_bredr_capable(hdev)) {
d7a5a11d 7687 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
406ef2a6
JH		 7688 write_fast_connectable(&req, true);
7689 else
7690 write_fast_connectable(&req, false);
1d2dc5b7 7691 __hci_update_page_scan(&req);
890ea898 7692 update_class(&req);
13928971 7693 update_name(&req);
890ea898 7694 update_eir(&req);
70da6243 7695 }
562fcc24 7696
229ab39c 7697 return hci_req_run(&req, powered_complete);
70da6243 7698}
562fcc24 7699
70da6243
JH		 7700int mgmt_powered(struct hci_dev *hdev, u8 powered)
7701{
7702 struct cmd_lookup match = { NULL, hdev };
9845904f 7703 u8 status, zero_cod[] = { 0, 0, 0 };
70da6243 7704 int err;
f0ff92fb 7705
d7a5a11d 7706 if (!hci_dev_test_flag(hdev, HCI_MGMT))
70da6243
JH		 7707 return 0;
7708
70da6243 7709 if (powered) {
229ab39c
JH		 7710 if (powered_update_hci(hdev) == 0)
7711 return 0;
fe038884 7712
229ab39c
JH		 7713 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
7714 &match);
7715 goto new_settings;
b24752fe
JH		 7716 }
7717
229ab39c 7718 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
9845904f
JH		 7719
7720 /* If the power off is because of hdev unregistration let
7721 * use the appropriate INVALID_INDEX status. Otherwise use
7722 * NOT_POWERED. We cover both scenarios here since later in
7723 * mgmt_index_removed() any hci_conn callbacks will have already
7724 * been triggered, potentially causing misleading DISCONNECTED
7725 * status responses.
7726 */
d7a5a11d 7727 if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
9845904f
JH		 7728 status = MGMT_STATUS_INVALID_INDEX;
7729 else
7730 status = MGMT_STATUS_NOT_POWERED;
7731
7732 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
229ab39c
JH		 7733
7734 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
f6b7712e
MH		 7735 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
7736 zero_cod, sizeof(zero_cod), NULL);
229ab39c
JH		 7737
7738new_settings:
beadb2bd 7739 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 7740
7741 if (match.sk)
7742 sock_put(match.sk);
7743
7bb895d6 7744 return err;
5add6af8 7745}
73f22f62 7746
3eec705e 7747void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc 7748{
3b0602cd 7749 struct mgmt_pending_cmd *cmd;
96570ffc
JH		 7750 u8 status;
7751
333ae95d 7752 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
96570ffc 7753 if (!cmd)
3eec705e 7754 return;
96570ffc
JH		 7755
7756 if (err == -ERFKILL)
7757 status = MGMT_STATUS_RFKILLED;
7758 else
7759 status = MGMT_STATUS_FAILED;
7760
a69e8375 7761 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 7762
7763 mgmt_pending_remove(cmd);
96570ffc
JH		 7764}
7765
d1967ff8
MH		 7766void mgmt_discoverable_timeout(struct hci_dev *hdev)
7767{
7768 struct hci_request req;
d1967ff8
MH		 7769
7770 hci_dev_lock(hdev);
7771
7772 /* When discoverable timeout triggers, then just make sure
7773 * the limited discoverable flag is cleared. Even in the case
7774 * of a timeout triggered from general discoverable, it is
7775 * safe to unconditionally clear the flag.
7776 */
a358dc11
MH		 7777 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
7778 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
d1967ff8
MH		 7779
7780 hci_req_init(&req, hdev);
d7a5a11d 7781 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
4b580614
JH		 7782 u8 scan = SCAN_PAGE;
7783 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
7784 sizeof(scan), &scan);
7785 }
d1967ff8 7786 update_class(&req);
24b4f38f
AU		 7787
7788 /* Advertising instances don't use the global discoverable setting, so
7789 * only update AD if advertising was enabled using Set Advertising.
7790 */
7791 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
7792 update_adv_data(&req);
7793
d1967ff8
MH		 7794 hci_req_run(&req, NULL);
7795
7796 hdev->discov_timeout = 0;
7797
9a43e25f
JH		 7798 new_settings(hdev, NULL);
7799
d1967ff8
MH		 7800 hci_dev_unlock(hdev);
7801}
7802
dc4a5ee2
MH		 7803void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
7804 bool persistent)
55ed8ca1 7805{
86742e1e 7806 struct mgmt_ev_new_link_key ev;
55ed8ca1 7807
a492cd52 7808 memset(&ev, 0, sizeof(ev));
55ed8ca1 7809
a492cd52 7810 ev.store_hint = persistent;
d753fdc4 7811 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 7812 ev.key.addr.type = BDADDR_BREDR;
a492cd52 7813 ev.key.type = key->type;
9b3b4460 7814 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 7815 ev.key.pin_len = key->pin_len;
55ed8ca1 7816
dc4a5ee2 7817 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 7818}
f7520543 7819
d7b25450
JH		 7820static u8 mgmt_ltk_type(struct smp_ltk *ltk)
7821{
23fb8de3
JH		 7822 switch (ltk->type) {
7823 case SMP_LTK:
7824 case SMP_LTK_SLAVE:
7825 if (ltk->authenticated)
7826 return MGMT_LTK_AUTHENTICATED;
7827 return MGMT_LTK_UNAUTHENTICATED;
7828 case SMP_LTK_P256:
7829 if (ltk->authenticated)
7830 return MGMT_LTK_P256_AUTH;
7831 return MGMT_LTK_P256_UNAUTH;
7832 case SMP_LTK_P256_DEBUG:
7833 return MGMT_LTK_P256_DEBUG;
7834 }
d7b25450
JH		 7835
7836 return MGMT_LTK_UNAUTHENTICATED;
7837}
7838
53ac6ab6 7839void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 7840{
7841 struct mgmt_ev_new_long_term_key ev;
7842
7843 memset(&ev, 0, sizeof(ev));
7844
5192d301 7845 /* Devices using resolvable or non-resolvable random addresses
f72186d2 7846 * without providing an identity resolving key don't require
5192d301
MH		 7847 * to store long term keys. Their addresses will change the
7848 * next time around.
7849 *
7850 * Only when a remote device provides an identity address
7851 * make sure the long term key is stored. If the remote
7852 * identity is known, the long term keys are internally
7853 * mapped to the identity address. So allow static random
7854 * and public addresses here.
7855 */
ba74b666
JH		 7856 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7857 (key->bdaddr.b[5] & 0xc0) != 0xc0)
7858 ev.store_hint = 0x00;
7859 else
53ac6ab6 7860 ev.store_hint = persistent;
ba74b666 7861
346af67b 7862 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 7863 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 7864 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 7865 ev.key.enc_size = key->enc_size;
7866 ev.key.ediv = key->ediv;
fe39c7b2 7867 ev.key.rand = key->rand;
346af67b 7868
2ceba539 7869 if (key->type == SMP_LTK)
346af67b
VCG		 7870 ev.key.master = 1;
7871
1fc62c52
JH		 7872 /* Make sure we copy only the significant bytes based on the
7873 * encryption key size, and set the rest of the value to zeroes.
7874 */
cb92205b 7875 memcpy(ev.key.val, key->val, key->enc_size);
1fc62c52
JH		 7876 memset(ev.key.val + key->enc_size, 0,
7877 sizeof(ev.key.val) - key->enc_size);
346af67b 7878
083368f7 7879 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 7880}
7881
cad20c27 7882void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk, bool persistent)
95fbac8a
JH		 7883{
7884 struct mgmt_ev_new_irk ev;
7885
7886 memset(&ev, 0, sizeof(ev));
7887
cad20c27 7888 ev.store_hint = persistent;
bab6d1e5 7889
95fbac8a
JH		 7890 bacpy(&ev.rpa, &irk->rpa);
7891 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
7892 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
7893 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
7894
7895 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
7896}
7897
53ac6ab6
MH		 7898void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
7899 bool persistent)
7ee4ea36
MH		 7900{
7901 struct mgmt_ev_new_csrk ev;
7902
7903 memset(&ev, 0, sizeof(ev));
7904
7905 /* Devices using resolvable or non-resolvable random addresses
f72186d2 7906 * without providing an identity resolving key don't require
7ee4ea36
MH		 7907 * to store signature resolving keys. Their addresses will change
7908 * the next time around.
7909 *
7910 * Only when a remote device provides an identity address
7911 * make sure the signature resolving key is stored. So allow
7912 * static random and public addresses here.
7913 */
7914 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7915 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
7916 ev.store_hint = 0x00;
7917 else
53ac6ab6 7918 ev.store_hint = persistent;
7ee4ea36
MH		 7919
7920 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
7921 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
4cd3928a 7922 ev.key.type = csrk->type;
7ee4ea36
MH		 7923 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
7924
7925 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
7926}
7927
ffb5a827 7928void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
f4869e2a
JH		 7929 u8 bdaddr_type, u8 store_hint, u16 min_interval,
7930 u16 max_interval, u16 latency, u16 timeout)
ffb5a827
AG		 7931{
7932 struct mgmt_ev_new_conn_param ev;
7933
c103aea6
JH		 7934 if (!hci_is_identity_address(bdaddr, bdaddr_type))
7935 return;
7936
ffb5a827
AG		 7937 memset(&ev, 0, sizeof(ev));
7938 bacpy(&ev.addr.bdaddr, bdaddr);
7939 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
f4869e2a 7940 ev.store_hint = store_hint;
ffb5a827
AG		 7941 ev.min_interval = cpu_to_le16(min_interval);
7942 ev.max_interval = cpu_to_le16(max_interval);
7943 ev.latency = cpu_to_le16(latency);
7944 ev.timeout = cpu_to_le16(timeout);
7945
7946 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
7947}
7948
48ec92fa
AA		 7949void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
7950 u32 flags, u8 *name, u8 name_len)
f7520543 7951{
b644ba33
JH		 7952 char buf[512];
7953 struct mgmt_ev_device_connected *ev = (void *) buf;
7954 u16 eir_len = 0;
f7520543 7955
48ec92fa
AA		 7956 bacpy(&ev->addr.bdaddr, &conn->dst);
7957 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
f7520543 7958
c95f0ba7 7959 ev->flags = __cpu_to_le32(flags);
08c79b61 7960
fd45ada9
AA		 7961 /* We must ensure that the EIR Data fields are ordered and
7962 * unique. Keep it simple for now and avoid the problem by not
7963 * adding any BR/EDR data to the LE adv.
7964 */
7965 if (conn->le_adv_data_len > 0) {
7966 memcpy(&ev->eir[eir_len],
7967 conn->le_adv_data, conn->le_adv_data_len);
7968 eir_len = conn->le_adv_data_len;
7969 } else {
7970 if (name_len > 0)
7971 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
7972 name, name_len);
b644ba33 7973
ddbea5cf 7974 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
fd45ada9
AA		 7975 eir_len = eir_append_data(ev->eir, eir_len,
7976 EIR_CLASS_OF_DEV,
7977 conn->dev_class, 3);
7978 }
b644ba33 7979
eb55ef07 7980 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 7981
ecd90ae7
MH		 7982 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
7983 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 7984}
7985
3b0602cd 7986static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data)
8962ee74 7987{
8962ee74 7988 struct sock **sk = data;
8962ee74 7989
f5818c22 7990 cmd->cmd_complete(cmd, 0);
8962ee74
JH		 7991
7992 *sk = cmd->sk;
7993 sock_hold(*sk);
7994
a664b5bc 7995 mgmt_pending_remove(cmd);
8962ee74
JH		 7996}
7997
3b0602cd 7998static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data)
a8a1d19e 7999{
b1078ad0 8000 struct hci_dev *hdev = data;
124f6e35 8001 struct mgmt_cp_unpair_device *cp = cmd->param;
a8a1d19e 8002
b1078ad0
JH		 8003 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
8004
d8b7b1e4 8005 cmd->cmd_complete(cmd, 0);
a8a1d19e
JH		 8006 mgmt_pending_remove(cmd);
8007}
8008
84c61d92
JH		 8009bool mgmt_powering_down(struct hci_dev *hdev)
8010{
3b0602cd 8011 struct mgmt_pending_cmd *cmd;
84c61d92
JH		 8012 struct mgmt_mode *cp;
8013
333ae95d 8014 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
84c61d92
JH		 8015 if (!cmd)
8016 return false;
8017
8018 cp = cmd->param;
8019 if (!cp->val)
8020 return true;
8021
8022 return false;
8023}
8024
9b80ec5e 8025void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 8026 u8 link_type, u8 addr_type, u8 reason,
8027 bool mgmt_connected)
f7520543 8028{
f0d6a0ea 8029 struct mgmt_ev_device_disconnected ev;
8962ee74 8030 struct sock *sk = NULL;
8962ee74 8031
84c61d92
JH		 8032 /* The connection is still in hci_conn_hash so test for 1
8033 * instead of 0 to know if this is the last one.
8034 */
8035 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
8036 cancel_delayed_work(&hdev->power_off);
8037 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8b064a3a
JH		 8038 }
8039
12d4a3b2
JH		 8040 if (!mgmt_connected)
8041 return;
8042
57eb776f
AG		 8043 if (link_type != ACL_LINK && link_type != LE_LINK)
8044 return;
8045
744cf19e 8046 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 8047
f0d6a0ea
MA		 8048 bacpy(&ev.addr.bdaddr, bdaddr);
8049 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8050 ev.reason = reason;
f7520543 8051
9b80ec5e 8052 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 8053
8054 if (sk)
d97dcb66 8055 sock_put(sk);
8962ee74 8056
124f6e35 8057 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 8058 hdev);
8962ee74
JH		 8059}
8060
7892924c
MH		 8061void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
8062 u8 link_type, u8 addr_type, u8 status)
8962ee74 8063{
3655bba8
AG		 8064 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
8065 struct mgmt_cp_disconnect *cp;
3b0602cd 8066 struct mgmt_pending_cmd *cmd;
8962ee74 8067
36a75f1b
JD		 8068 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
8069 hdev);
8070
333ae95d 8071 cmd = pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 8072 if (!cmd)
7892924c 8073 return;
8962ee74 8074
3655bba8
AG		 8075 cp = cmd->param;
8076
8077 if (bacmp(bdaddr, &cp->addr.bdaddr))
8078 return;
8079
8080 if (cp->addr.type != bdaddr_type)
8081 return;
8082
f5818c22 8083 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8084 mgmt_pending_remove(cmd);
f7520543 8085}
17d5c04c 8086
445608d0
MH		 8087void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8088 u8 addr_type, u8 status)
17d5c04c
JH		 8089{
8090 struct mgmt_ev_connect_failed ev;
c9910d0f 8091
84c61d92
JH		 8092 /* The connection is still in hci_conn_hash so test for 1
8093 * instead of 0 to know if this is the last one.
8094 */
8095 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
8096 cancel_delayed_work(&hdev->power_off);
8097 queue_work(hdev->req_workqueue, &hdev->power_off.work);
c9910d0f 8098 }
17d5c04c 8099
4c659c39 8100 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8101 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 8102 ev.status = mgmt_status(status);
17d5c04c 8103
445608d0 8104 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 8105}
980e1a53 8106
ce0e4a0d 8107void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 8108{
8109 struct mgmt_ev_pin_code_request ev;
8110
d8457698 8111 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 8112 ev.addr.type = BDADDR_BREDR;
a770bb5a 8113 ev.secure = secure;
980e1a53 8114
ce0e4a0d 8115 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 8116}
8117
e669cf80
MH		 8118void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8119 u8 status)
980e1a53 8120{
3b0602cd 8121 struct mgmt_pending_cmd *cmd;
980e1a53 8122
333ae95d 8123 cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 8124 if (!cmd)
e669cf80 8125 return;
980e1a53 8126
7776d1d8 8127 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8128 mgmt_pending_remove(cmd);
980e1a53
JH		 8129}
8130
3eb38528
MH		 8131void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8132 u8 status)
980e1a53 8133{
3b0602cd 8134 struct mgmt_pending_cmd *cmd;
980e1a53 8135
333ae95d 8136 cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 8137 if (!cmd)
3eb38528 8138 return;
980e1a53 8139
7776d1d8 8140 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8141 mgmt_pending_remove(cmd);
980e1a53 8142}
a5c29683 8143
744cf19e 8144int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 8145 u8 link_type, u8 addr_type, u32 value,
04124681 8146 u8 confirm_hint)
a5c29683
JH		 8147{
8148 struct mgmt_ev_user_confirm_request ev;
8149
744cf19e 8150 BT_DBG("%s", hdev->name);
a5c29683 8151
272d90df 8152 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8153 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 8154 ev.confirm_hint = confirm_hint;
39adbffe 8155 ev.value = cpu_to_le32(value);
a5c29683 8156
744cf19e 8157 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 8158 NULL);
a5c29683
JH		 8159}
8160
272d90df 8161int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 8162 u8 link_type, u8 addr_type)
604086b7
BG		 8163{
8164 struct mgmt_ev_user_passkey_request ev;
8165
8166 BT_DBG("%s", hdev->name);
8167
272d90df 8168 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 8169 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 8170
8171 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 8172 NULL);
604086b7
BG		 8173}
8174
0df4c185 8175static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 8176 u8 link_type, u8 addr_type, u8 status,
8177 u8 opcode)
a5c29683 8178{
3b0602cd 8179 struct mgmt_pending_cmd *cmd;
a5c29683 8180
333ae95d 8181 cmd = pending_find(opcode, hdev);
a5c29683
JH		 8182 if (!cmd)
8183 return -ENOENT;
8184
7776d1d8 8185 cmd->cmd_complete(cmd, mgmt_status(status));
a664b5bc 8186 mgmt_pending_remove(cmd);
a5c29683 8187
7776d1d8 8188 return 0;
a5c29683
JH		 8189}
8190
744cf19e 8191int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8192 u8 link_type, u8 addr_type, u8 status)
a5c29683 8193{
272d90df 8194 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 8195 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 8196}
8197
272d90df 8198int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8199 u8 link_type, u8 addr_type, u8 status)
a5c29683 8200{
272d90df 8201 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 8202 status,
8203 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 8204}
2a611692 8205
604086b7 8206int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8207 u8 link_type, u8 addr_type, u8 status)
604086b7 8208{
272d90df 8209 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 8210 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 8211}
8212
272d90df 8213int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 8214 u8 link_type, u8 addr_type, u8 status)
604086b7 8215{
272d90df 8216 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 8217 status,
8218 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 8219}
8220
92a25256
JH		 8221int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
8222 u8 link_type, u8 addr_type, u32 passkey,
8223 u8 entered)
8224{
8225 struct mgmt_ev_passkey_notify ev;
8226
8227 BT_DBG("%s", hdev->name);
8228
8229 bacpy(&ev.addr.bdaddr, bdaddr);
8230 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8231 ev.passkey = __cpu_to_le32(passkey);
8232 ev.entered = entered;
8233
8234 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
8235}
8236
e1e930f5 8237void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
2a611692
JH		 8238{
8239 struct mgmt_ev_auth_failed ev;
3b0602cd 8240 struct mgmt_pending_cmd *cmd;
e1e930f5 8241 u8 status = mgmt_status(hci_status);
2a611692 8242
e1e930f5
JH		 8243 bacpy(&ev.addr.bdaddr, &conn->dst);
8244 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
8245 ev.status = status;
2a611692 8246
e1e930f5
JH		 8247 cmd = find_pairing(conn);
8248
8249 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
8250 cmd ? cmd->sk : NULL);
8251
a511b35b
JH		 8252 if (cmd) {
8253 cmd->cmd_complete(cmd, status);
8254 mgmt_pending_remove(cmd);
8255 }
2a611692 8256}
b312b161 8257
464996ae 8258void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 8259{
8260 struct cmd_lookup match = { NULL, hdev };
464996ae 8261 bool changed;
33ef95ed
JH		 8262
8263 if (status) {
8264 u8 mgmt_err = mgmt_status(status);
8265 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 8266 cmd_status_rsp, &mgmt_err);
464996ae 8267 return;
33ef95ed
JH		 8268 }
8269
464996ae 8270 if (test_bit(HCI_AUTH, &hdev->flags))
238be788 8271 changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY);
464996ae 8272 else
a69d8927 8273 changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY);
47990ea0 8274
33ef95ed 8275 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 8276 &match);
33ef95ed 8277
47990ea0 8278 if (changed)
464996ae 8279 new_settings(hdev, match.sk);
33ef95ed
JH		 8280
8281 if (match.sk)
8282 sock_put(match.sk);
33ef95ed
JH		 8283}
8284
890ea898 8285static void clear_eir(struct hci_request *req)
cacaf52f 8286{
890ea898 8287 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 8288 struct hci_cp_write_eir cp;
8289
976eb20e 8290 if (!lmp_ext_inq_capable(hdev))
890ea898 8291 return;
cacaf52f 8292
c80da27e
JH		 8293 memset(hdev->eir, 0, sizeof(hdev->eir));
8294
cacaf52f
JH		 8295 memset(&cp, 0, sizeof(cp));
8296
890ea898 8297 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 8298}
8299
3e248560 8300void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 8301{
8302 struct cmd_lookup match = { NULL, hdev };
890ea898 8303 struct hci_request req;
c0ecddc2 8304 bool changed = false;
ed2c4ee3
JH		 8305
8306 if (status) {
8307 u8 mgmt_err = mgmt_status(status);
c0ecddc2 8308
a69d8927
MH		 8309 if (enable && hci_dev_test_and_clear_flag(hdev,
8310 HCI_SSP_ENABLED)) {
a358dc11 8311 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
3e248560 8312 new_settings(hdev, NULL);
9ecb3e24 8313 }
c0ecddc2 8314
04124681
GP		 8315 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
8316 &mgmt_err);
3e248560 8317 return;
c0ecddc2
JH		 8318 }
8319
8320 if (enable) {
238be788 8321 changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
c0ecddc2 8322 } else {
a69d8927 8323 changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
9ecb3e24 8324 if (!changed)
a69d8927
MH		 8325 changed = hci_dev_test_and_clear_flag(hdev,
8326 HCI_HS_ENABLED);
9ecb3e24 8327 else
a358dc11 8328 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
ed2c4ee3
JH		 8329 }
8330
8331 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
8332
c0ecddc2 8333 if (changed)
3e248560 8334 new_settings(hdev, match.sk);
ed2c4ee3 8335
5fc6ebb1 8336 if (match.sk)
ed2c4ee3
JH		 8337 sock_put(match.sk);
8338
890ea898
JH		 8339 hci_req_init(&req, hdev);
8340
d7a5a11d
MH		 8341 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
8342 if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
3769972b
JH		 8343 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
8344 sizeof(enable), &enable);
890ea898 8345 update_eir(&req);
3769972b 8346 } else {
890ea898 8347 clear_eir(&req);
3769972b 8348 }
890ea898
JH		 8349
8350 hci_req_run(&req, NULL);
ed2c4ee3
JH		 8351}
8352
3b0602cd 8353static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
90e70454
JH		 8354{
8355 struct cmd_lookup *match = data;
8356
90e70454
JH		 8357 if (match->sk == NULL) {
8358 match->sk = cmd->sk;
8359 sock_hold(match->sk);
8360 }
90e70454
JH		 8361}
8362
4e1b0245
MH		 8363void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
8364 u8 status)
7f9a903c 8365{
90e70454 8366 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 8367
92da6097
JH		 8368 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
8369 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
8370 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 8371
8372 if (!status)
f6b7712e
MH		 8373 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
8374 dev_class, 3, NULL);
90e70454
JH		 8375
8376 if (match.sk)
8377 sock_put(match.sk);
7f9a903c
MH		 8378}
8379
7667da34 8380void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 8381{
b312b161 8382 struct mgmt_cp_set_local_name ev;
3b0602cd 8383 struct mgmt_pending_cmd *cmd;
28cc7bde 8384
13928971 8385 if (status)
7667da34 8386 return;
b312b161
JH		 8387
8388 memset(&ev, 0, sizeof(ev));
8389 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 8390 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 8391
333ae95d 8392 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 8393 if (!cmd) {
8394 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 8395
13928971
JH		 8396 /* If this is a HCI command related to powering on the
8397 * HCI dev don't send any mgmt signals.
8398 */
333ae95d 8399 if (pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 8400 return;
890ea898 8401 }
b312b161 8402
f6b7712e
MH		 8403 mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
8404 cmd ? cmd->sk : NULL);
b312b161 8405}
c35938b2 8406
799ce93d
JP		 8407static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
8408{
8409 int i;
8410
8411 for (i = 0; i < uuid_count; i++) {
8412 if (!memcmp(uuid, uuids[i], 16))
8413 return true;
8414 }
8415
8416 return false;
8417}
8418
b487b9ce
MH		 8419static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16])
8420{
799ce93d
JP		 8421 u16 parsed = 0;
8422
8423 while (parsed < eir_len) {
8424 u8 field_len = eir[0];
8425 u8 uuid[16];
8426 int i;
8427
8428 if (field_len == 0)
8429 break;
8430
8431 if (eir_len - parsed < field_len + 1)
8432 break;
8433
8434 switch (eir[1]) {
8435 case EIR_UUID16_ALL:
8436 case EIR_UUID16_SOME:
8437 for (i = 0; i + 3 <= field_len; i += 2) {
189f6ad2 8438 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 8439 uuid[13] = eir[i + 3];
8440 uuid[12] = eir[i + 2];
8441 if (has_uuid(uuid, uuid_count, uuids))
8442 return true;
8443 }
8444 break;
8445 case EIR_UUID32_ALL:
8446 case EIR_UUID32_SOME:
8447 for (i = 0; i + 5 <= field_len; i += 4) {
189f6ad2 8448 memcpy(uuid, bluetooth_base_uuid, 16);
799ce93d
JP		 8449 uuid[15] = eir[i + 5];
8450 uuid[14] = eir[i + 4];
8451 uuid[13] = eir[i + 3];
8452 uuid[12] = eir[i + 2];
8453 if (has_uuid(uuid, uuid_count, uuids))
8454 return true;
8455 }
8456 break;
8457 case EIR_UUID128_ALL:
8458 case EIR_UUID128_SOME:
8459 for (i = 0; i + 17 <= field_len; i += 16) {
8460 memcpy(uuid, eir + i + 2, 16);
8461 if (has_uuid(uuid, uuid_count, uuids))
8462 return true;
8463 }
8464 break;
8465 }
8466
8467 parsed += field_len + 1;
8468 eir += field_len + 1;
8469 }
8470
b487b9ce
MH		 8471 return false;
8472}
8473
4b0e0ced
JP		 8474static void restart_le_scan(struct hci_dev *hdev)
8475{
8476 /* If controller is not scanning we are done. */
d7a5a11d 8477 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
4b0e0ced
JP		 8478 return;
8479
8480 if (time_after(jiffies + DISCOV_LE_RESTART_DELAY,
8481 hdev->discovery.scan_start +
8482 hdev->discovery.scan_duration))
8483 return;
8484
8485 queue_delayed_work(hdev->workqueue, &hdev->le_scan_restart,
8486 DISCOV_LE_RESTART_DELAY);
8487}
8488
48f86b7f
JP		 8489static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir,
8490 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
e17acd40 8491{
48f86b7f
JP		 8492 /* If a RSSI threshold has been specified, and
8493 * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with
8494 * a RSSI smaller than the RSSI threshold will be dropped. If the quirk
8495 * is set, let it through for further processing, as we might need to
8496 * restart the scan.
efb2513f
MH		 8497 *
8498 * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry,
8499 * the results are also dropped.
bda157a4
MH		 8500 */
8501 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
4b0e0ced
JP		 8502 (rssi == HCI_RSSI_INVALID ||
8503 (rssi < hdev->discovery.rssi &&
8504 !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks))))
48f86b7f 8505 return false;
efb2513f 8506
2976cdeb
JP		 8507 if (hdev->discovery.uuid_count != 0) {
8508 /* If a list of UUIDs is provided in filter, results with no
8509 * matching UUID should be dropped.
b487b9ce 8510 */
2976cdeb
JP		 8511 if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count,
8512 hdev->discovery.uuids) &&
8513 !eir_has_uuids(scan_rsp, scan_rsp_len,
8514 hdev->discovery.uuid_count,
8515 hdev->discovery.uuids))
8516 return false;
b487b9ce 8517 }
5d2e9fad 8518
2976cdeb
JP		 8519 /* If duplicate filtering does not report RSSI changes, then restart
8520 * scanning to ensure updated result with updated RSSI values.
4b0e0ced 8521 */
2976cdeb
JP		 8522 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) {
8523 restart_le_scan(hdev);
8524
8525 /* Validate RSSI value against the RSSI threshold once more. */
8526 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
8527 rssi < hdev->discovery.rssi)
8528 return false;
8529 }
48f86b7f
JP		 8530
8531 return true;
8532}
8533
8534void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8535 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
8536 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
8537{
8538 char buf[512];
8539 struct mgmt_ev_device_found *ev = (void *)buf;
8540 size_t ev_size;
8541
8542 /* Don't send events for a non-kernel initiated discovery. With
8543 * LE one exception is if we have pend_le_reports > 0 in which
8544 * case we're doing passive scanning and want these events.
8545 */
8546 if (!hci_discovery_active(hdev)) {
8547 if (link_type == ACL_LINK)
8548 return;
8549 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
8550 return;
8551 }
8552
82f8b651 8553 if (hdev->discovery.result_filtering) {
48f86b7f
JP		 8554 /* We are using service discovery */
8555 if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp,
8556 scan_rsp_len))
8557 return;
8558 }
8559
8560 /* Make sure that the buffer is big enough. The 5 extra bytes
8561 * are for the potential CoD field.
8562 */
8563 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
4b0e0ced
JP		 8564 return;
8565
48f86b7f
JP		 8566 memset(buf, 0, sizeof(buf));
8567
8568 /* In case of device discovery with BR/EDR devices (pre 1.2), the
8569 * RSSI value was reported as 0 when not available. This behavior
8570 * is kept when using device discovery. This is required for full
8571 * backwards compatibility with the API.
8572 *
8573 * However when using service discovery, the value 127 will be
8574 * returned when the RSSI is not available.
8575 */
8576 if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi &&
8577 link_type == ACL_LINK)
8578 rssi = 0;
8579
8580 bacpy(&ev->addr.bdaddr, bdaddr);
8581 ev->addr.type = link_to_bdaddr(link_type, addr_type);
8582 ev->rssi = rssi;
8583 ev->flags = cpu_to_le32(flags);
8584
8585 if (eir_len > 0)
8586 /* Copy EIR or advertising data into event */
8587 memcpy(ev->eir, eir, eir_len);
8588
8589 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
8590 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
8591 dev_class, 3);
8592
8593 if (scan_rsp_len > 0)
8594 /* Append scan response data to event */
8595 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
8596
5d2e9fad
JH		 8597 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
8598 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 8599
901801b9 8600 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 8601}
a88a9652 8602
9cf12aee
MH		 8603void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8604 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 8605{
b644ba33
JH		 8606 struct mgmt_ev_device_found *ev;
8607 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
8608 u16 eir_len;
a88a9652 8609
b644ba33 8610 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 8611
b644ba33
JH		 8612 memset(buf, 0, sizeof(buf));
8613
8614 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 8615 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 8616 ev->rssi = rssi;
8617
8618 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 8619 name_len);
b644ba33 8620
eb55ef07 8621 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 8622
9cf12aee 8623 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 8624}
314b2381 8625
2f1e063b 8626void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 8627{
f963e8e9 8628 struct mgmt_ev_discovering ev;
164a6e78 8629
343fb145
AG		 8630 BT_DBG("%s discovering %u", hdev->name, discovering);
8631
f963e8e9
JH		 8632 memset(&ev, 0, sizeof(ev));
8633 ev.type = hdev->discovery.type;
8634 ev.discovering = discovering;
8635
2f1e063b 8636 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 8637}
5e762444 8638
1904a853 8639static void adv_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5976e608
MH		 8640{
8641 BT_DBG("%s status %u", hdev->name, status);
5976e608
MH		 8642}
8643
8644void mgmt_reenable_advertising(struct hci_dev *hdev)
8645{
8646 struct hci_request req;
eb6f95f9 8647 u8 instance;
5976e608 8648
24b4f38f
AU		 8649 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
8650 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
5976e608
MH		 8651 return;
8652
eb6f95f9
FG		 8653 instance = get_current_adv_instance(hdev);
8654
5976e608 8655 hci_req_init(&req, hdev);
eb6f95f9
FG		 8656
8657 if (instance) {
8658 schedule_adv_instance(&req, instance, true);
8659 } else {
8660 update_adv_data(&req);
8661 update_scan_rsp_data(&req);
8662 enable_advertising(&req);
8663 }
8664
0ec5ae84 8665 hci_req_run(&req, adv_enable_complete);
5976e608 8666}
6d785aa3
JH		 8667
8668static struct hci_mgmt_chan chan = {
8669 .channel = HCI_CHANNEL_CONTROL,
8670 .handler_count = ARRAY_SIZE(mgmt_handlers),
8671 .handlers = mgmt_handlers,
88b94ce9 8672 .hdev_init = mgmt_init_hdev,
6d785aa3
JH		 8673};
8674
8675int mgmt_init(void)
8676{
8677 return hci_mgmt_chan_register(&chan);
8678}
8679
8680void mgmt_exit(void)
8681{
8682 hci_mgmt_chan_unregister(&chan);
8683}
Linux kernel - Deliverables
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