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Bluetooth: Provide function to create and set connection parameters
[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>
4bc58f51 32#include <net/bluetooth/l2cap.h>
0381101f 33#include <net/bluetooth/mgmt.h>
ac4b7236
MH		 34
35#include "smp.h"
0381101f 36
2da9c55c 37#define MGMT_VERSION 1
730f091b 38#define MGMT_REVISION 7
02d98129 39
e70bb2e8
JH		 40static const u16 mgmt_commands[] = {
41 MGMT_OP_READ_INDEX_LIST,
42 MGMT_OP_READ_INFO,
43 MGMT_OP_SET_POWERED,
44 MGMT_OP_SET_DISCOVERABLE,
45 MGMT_OP_SET_CONNECTABLE,
46 MGMT_OP_SET_FAST_CONNECTABLE,
47 MGMT_OP_SET_PAIRABLE,
48 MGMT_OP_SET_LINK_SECURITY,
49 MGMT_OP_SET_SSP,
50 MGMT_OP_SET_HS,
51 MGMT_OP_SET_LE,
52 MGMT_OP_SET_DEV_CLASS,
53 MGMT_OP_SET_LOCAL_NAME,
54 MGMT_OP_ADD_UUID,
55 MGMT_OP_REMOVE_UUID,
56 MGMT_OP_LOAD_LINK_KEYS,
57 MGMT_OP_LOAD_LONG_TERM_KEYS,
58 MGMT_OP_DISCONNECT,
59 MGMT_OP_GET_CONNECTIONS,
60 MGMT_OP_PIN_CODE_REPLY,
61 MGMT_OP_PIN_CODE_NEG_REPLY,
62 MGMT_OP_SET_IO_CAPABILITY,
63 MGMT_OP_PAIR_DEVICE,
64 MGMT_OP_CANCEL_PAIR_DEVICE,
65 MGMT_OP_UNPAIR_DEVICE,
66 MGMT_OP_USER_CONFIRM_REPLY,
67 MGMT_OP_USER_CONFIRM_NEG_REPLY,
68 MGMT_OP_USER_PASSKEY_REPLY,
69 MGMT_OP_USER_PASSKEY_NEG_REPLY,
70 MGMT_OP_READ_LOCAL_OOB_DATA,
71 MGMT_OP_ADD_REMOTE_OOB_DATA,
72 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
73 MGMT_OP_START_DISCOVERY,
74 MGMT_OP_STOP_DISCOVERY,
75 MGMT_OP_CONFIRM_NAME,
76 MGMT_OP_BLOCK_DEVICE,
77 MGMT_OP_UNBLOCK_DEVICE,
cdbaccca 78 MGMT_OP_SET_DEVICE_ID,
4375f103 79 MGMT_OP_SET_ADVERTISING,
0663ca2a 80 MGMT_OP_SET_BREDR,
d13eafce 81 MGMT_OP_SET_STATIC_ADDRESS,
7f72134e 82 MGMT_OP_SET_SCAN_PARAMS,
e98d2ce2 83 MGMT_OP_SET_SECURE_CONN,
4e39ac81 84 MGMT_OP_SET_DEBUG_KEYS,
62b04cd1 85 MGMT_OP_SET_PRIVACY,
41edf160 86 MGMT_OP_LOAD_IRKS,
dd983808 87 MGMT_OP_GET_CONN_INFO,
95868426 88 MGMT_OP_GET_CLOCK_INFO,
2faade53
MH		 89 MGMT_OP_ADD_DEVICE,
90 MGMT_OP_REMOVE_DEVICE,
e70bb2e8
JH		 91};
92
93static const u16 mgmt_events[] = {
94 MGMT_EV_CONTROLLER_ERROR,
95 MGMT_EV_INDEX_ADDED,
96 MGMT_EV_INDEX_REMOVED,
97 MGMT_EV_NEW_SETTINGS,
98 MGMT_EV_CLASS_OF_DEV_CHANGED,
99 MGMT_EV_LOCAL_NAME_CHANGED,
100 MGMT_EV_NEW_LINK_KEY,
101 MGMT_EV_NEW_LONG_TERM_KEY,
102 MGMT_EV_DEVICE_CONNECTED,
103 MGMT_EV_DEVICE_DISCONNECTED,
104 MGMT_EV_CONNECT_FAILED,
105 MGMT_EV_PIN_CODE_REQUEST,
106 MGMT_EV_USER_CONFIRM_REQUEST,
107 MGMT_EV_USER_PASSKEY_REQUEST,
108 MGMT_EV_AUTH_FAILED,
109 MGMT_EV_DEVICE_FOUND,
110 MGMT_EV_DISCOVERING,
111 MGMT_EV_DEVICE_BLOCKED,
112 MGMT_EV_DEVICE_UNBLOCKED,
113 MGMT_EV_DEVICE_UNPAIRED,
92a25256 114 MGMT_EV_PASSKEY_NOTIFY,
1b60ef21 115 MGMT_EV_NEW_IRK,
7ee4ea36 116 MGMT_EV_NEW_CSRK,
8afef092
MH		 117 MGMT_EV_DEVICE_ADDED,
118 MGMT_EV_DEVICE_REMOVED,
e70bb2e8
JH		 119};
120
17b02e62 121#define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
7d78525d 122
4b34ee78
JH		 123#define hdev_is_powered(hdev) (test_bit(HCI_UP, &hdev->flags) && \
124 !test_bit(HCI_AUTO_OFF, &hdev->dev_flags))
125
eec8d2bc
JH		 126struct pending_cmd {
127 struct list_head list;
fc2f4b13 128 u16 opcode;
eec8d2bc 129 int index;
c68fb7ff 130 void *param;
eec8d2bc 131 struct sock *sk;
e9a416b5 132 void *user_data;
eec8d2bc
JH		 133};
134
ca69b795
JH		 135/* HCI to MGMT error code conversion table */
136static u8 mgmt_status_table[] = {
137 MGMT_STATUS_SUCCESS,
138 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
139 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
140 MGMT_STATUS_FAILED, /* Hardware Failure */
141 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
142 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
eadd663a 143 MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
ca69b795
JH		 144 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
145 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
146 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
147 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
148 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
149 MGMT_STATUS_BUSY, /* Command Disallowed */
150 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
151 MGMT_STATUS_REJECTED, /* Rejected Security */
152 MGMT_STATUS_REJECTED, /* Rejected Personal */
153 MGMT_STATUS_TIMEOUT, /* Host Timeout */
154 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
155 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
156 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
157 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
158 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
159 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
160 MGMT_STATUS_BUSY, /* Repeated Attempts */
161 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
162 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
163 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
164 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
165 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
166 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
167 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
168 MGMT_STATUS_FAILED, /* Unspecified Error */
169 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
170 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
171 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
172 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
173 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
174 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
175 MGMT_STATUS_FAILED, /* Unit Link Key Used */
176 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
177 MGMT_STATUS_TIMEOUT, /* Instant Passed */
178 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
179 MGMT_STATUS_FAILED, /* Transaction Collision */
180 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
181 MGMT_STATUS_REJECTED, /* QoS Rejected */
182 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
183 MGMT_STATUS_REJECTED, /* Insufficient Security */
184 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
185 MGMT_STATUS_BUSY, /* Role Switch Pending */
186 MGMT_STATUS_FAILED, /* Slot Violation */
187 MGMT_STATUS_FAILED, /* Role Switch Failed */
188 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
189 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
190 MGMT_STATUS_BUSY, /* Host Busy Pairing */
191 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
192 MGMT_STATUS_BUSY, /* Controller Busy */
193 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
194 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
195 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
196 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
197 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
198};
199
200static u8 mgmt_status(u8 hci_status)
201{
202 if (hci_status < ARRAY_SIZE(mgmt_status_table))
203 return mgmt_status_table[hci_status];
204
205 return MGMT_STATUS_FAILED;
206}
207
4e51eae9 208static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
f7b64e69
JH		 209{
210 struct sk_buff *skb;
211 struct mgmt_hdr *hdr;
212 struct mgmt_ev_cmd_status *ev;
56b7d137 213 int err;
f7b64e69 214
34eb525c 215 BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status);
f7b64e69 216
790eff44 217 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_KERNEL);
f7b64e69
JH		 218 if (!skb)
219 return -ENOMEM;
220
221 hdr = (void *) skb_put(skb, sizeof(*hdr));
222
dcf4adbf 223 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS);
4e51eae9 224 hdr->index = cpu_to_le16(index);
f7b64e69
JH		 225 hdr->len = cpu_to_le16(sizeof(*ev));
226
227 ev = (void *) skb_put(skb, sizeof(*ev));
228 ev->status = status;
eb55ef07 229 ev->opcode = cpu_to_le16(cmd);
f7b64e69 230
56b7d137
GP		 231 err = sock_queue_rcv_skb(sk, skb);
232 if (err < 0)
f7b64e69
JH		 233 kfree_skb(skb);
234
56b7d137 235 return err;
f7b64e69
JH		 236}
237
aee9b218 238static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status,
04124681 239 void *rp, size_t rp_len)
02d98129
JH		 240{
241 struct sk_buff *skb;
242 struct mgmt_hdr *hdr;
243 struct mgmt_ev_cmd_complete *ev;
56b7d137 244 int err;
02d98129
JH		 245
246 BT_DBG("sock %p", sk);
247
790eff44 248 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_KERNEL);
02d98129
JH		 249 if (!skb)
250 return -ENOMEM;
251
252 hdr = (void *) skb_put(skb, sizeof(*hdr));
02d98129 253
dcf4adbf 254 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
4e51eae9 255 hdr->index = cpu_to_le16(index);
a38528f1 256 hdr->len = cpu_to_le16(sizeof(*ev) + rp_len);
02d98129 257
a38528f1 258 ev = (void *) skb_put(skb, sizeof(*ev) + rp_len);
eb55ef07 259 ev->opcode = cpu_to_le16(cmd);
aee9b218 260 ev->status = status;
8020c16a
SJ		 261
262 if (rp)
263 memcpy(ev->data, rp, rp_len);
02d98129 264
56b7d137
GP		 265 err = sock_queue_rcv_skb(sk, skb);
266 if (err < 0)
02d98129
JH		 267 kfree_skb(skb);
268
e5f0e151 269 return err;
02d98129
JH		 270}
271
04124681
GP		 272static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
273 u16 data_len)
a38528f1
JH		 274{
275 struct mgmt_rp_read_version rp;
276
277 BT_DBG("sock %p", sk);
278
279 rp.version = MGMT_VERSION;
dcf4adbf 280 rp.revision = cpu_to_le16(MGMT_REVISION);
a38528f1 281
aee9b218 282 return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, &rp,
04124681 283 sizeof(rp));
a38528f1
JH		 284}
285
04124681
GP		 286static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
287 u16 data_len)
e70bb2e8
JH		 288{
289 struct mgmt_rp_read_commands *rp;
eb55ef07
MH		 290 const u16 num_commands = ARRAY_SIZE(mgmt_commands);
291 const u16 num_events = ARRAY_SIZE(mgmt_events);
2e3c35ea 292 __le16 *opcode;
e70bb2e8
JH		 293 size_t rp_size;
294 int i, err;
295
296 BT_DBG("sock %p", sk);
297
298 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
299
300 rp = kmalloc(rp_size, GFP_KERNEL);
301 if (!rp)
302 return -ENOMEM;
303
dcf4adbf
JP		 304 rp->num_commands = cpu_to_le16(num_commands);
305 rp->num_events = cpu_to_le16(num_events);
e70bb2e8
JH		 306
307 for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++)
308 put_unaligned_le16(mgmt_commands[i], opcode);
309
310 for (i = 0; i < num_events; i++, opcode++)
311 put_unaligned_le16(mgmt_events[i], opcode);
312
aee9b218 313 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, rp,
04124681 314 rp_size);
e70bb2e8
JH		 315 kfree(rp);
316
317 return err;
318}
319
04124681
GP		 320static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
321 u16 data_len)
faba42eb 322{
faba42eb 323 struct mgmt_rp_read_index_list *rp;
8035ded4 324 struct hci_dev *d;
a38528f1 325 size_t rp_len;
faba42eb 326 u16 count;
476e44cb 327 int err;
faba42eb
JH		 328
329 BT_DBG("sock %p", sk);
330
331 read_lock(&hci_dev_list_lock);
332
333 count = 0;
bb4b2a9a 334 list_for_each_entry(d, &hci_dev_list, list) {
1514b892
MH		 335 if (d->dev_type == HCI_BREDR)
336 count++;
faba42eb
JH		 337 }
338
a38528f1
JH		 339 rp_len = sizeof(*rp) + (2 * count);
340 rp = kmalloc(rp_len, GFP_ATOMIC);
341 if (!rp) {
b2c60d42 342 read_unlock(&hci_dev_list_lock);
faba42eb 343 return -ENOMEM;
b2c60d42 344 }
faba42eb 345
476e44cb 346 count = 0;
8035ded4 347 list_for_each_entry(d, &hci_dev_list, list) {
a8b2d5c2 348 if (test_bit(HCI_SETUP, &d->dev_flags))
ab81cbf9
JH		 349 continue;
350
0736cfa8
MH		 351 if (test_bit(HCI_USER_CHANNEL, &d->dev_flags))
352 continue;
353
fee746b0
MH		 354 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
355 continue;
356
1514b892
MH		 357 if (d->dev_type == HCI_BREDR) {
358 rp->index[count++] = cpu_to_le16(d->id);
359 BT_DBG("Added hci%u", d->id);
360 }
faba42eb
JH		 361 }
362
476e44cb
JH		 363 rp->num_controllers = cpu_to_le16(count);
364 rp_len = sizeof(*rp) + (2 * count);
365
faba42eb
JH		 366 read_unlock(&hci_dev_list_lock);
367
aee9b218 368 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp,
04124681 369 rp_len);
faba42eb 370
a38528f1
JH		 371 kfree(rp);
372
373 return err;
faba42eb
JH		 374}
375
69ab39ea
JH		 376static u32 get_supported_settings(struct hci_dev *hdev)
377{
378 u32 settings = 0;
379
380 settings |= MGMT_SETTING_POWERED;
69ab39ea 381 settings |= MGMT_SETTING_PAIRABLE;
b1de97d8 382 settings |= MGMT_SETTING_DEBUG_KEYS;
69ab39ea 383
ed3fa31f 384 if (lmp_bredr_capable(hdev)) {
33c525c0 385 settings |= MGMT_SETTING_CONNECTABLE;
1a47aee8
JH		 386 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
387 settings |= MGMT_SETTING_FAST_CONNECTABLE;
33c525c0 388 settings |= MGMT_SETTING_DISCOVERABLE;
69ab39ea
JH		 389 settings |= MGMT_SETTING_BREDR;
390 settings |= MGMT_SETTING_LINK_SECURITY;
a82974c9
MH		 391
392 if (lmp_ssp_capable(hdev)) {
393 settings |= MGMT_SETTING_SSP;
394 settings |= MGMT_SETTING_HS;
395 }
e98d2ce2 396
5afeac14 397 if (lmp_sc_capable(hdev) ||
111902f7 398 test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
e98d2ce2 399 settings |= MGMT_SETTING_SECURE_CONN;
848566b3 400 }
d7b7e796 401
eeca6f89 402 if (lmp_le_capable(hdev)) {
9d42820f 403 settings |= MGMT_SETTING_LE;
eeca6f89 404 settings |= MGMT_SETTING_ADVERTISING;
0f4bd942 405 settings |= MGMT_SETTING_PRIVACY;
eeca6f89 406 }
69ab39ea
JH		 407
408 return settings;
409}
410
411static u32 get_current_settings(struct hci_dev *hdev)
412{
413 u32 settings = 0;
414
f1f0eb02 415 if (hdev_is_powered(hdev))
f0d4b78a
MH		 416 settings |= MGMT_SETTING_POWERED;
417
5e5282bb 418 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
69ab39ea
JH		 419 settings |= MGMT_SETTING_CONNECTABLE;
420
1a4d3c4b
JH		 421 if (test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
422 settings |= MGMT_SETTING_FAST_CONNECTABLE;
423
5e5282bb 424 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
69ab39ea
JH		 425 settings |= MGMT_SETTING_DISCOVERABLE;
426
a8b2d5c2 427 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags))
69ab39ea
JH		 428 settings |= MGMT_SETTING_PAIRABLE;
429
56f87901 430 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 431 settings |= MGMT_SETTING_BREDR;
432
06199cf8 433 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 434 settings |= MGMT_SETTING_LE;
435
47990ea0 436 if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
69ab39ea
JH		 437 settings |= MGMT_SETTING_LINK_SECURITY;
438
84bde9d6 439 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
69ab39ea
JH		 440 settings |= MGMT_SETTING_SSP;
441
6d80dfd0
JH		 442 if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags))
443 settings |= MGMT_SETTING_HS;
444
f3d3444a 445 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
eeca6f89
JH		 446 settings |= MGMT_SETTING_ADVERTISING;
447
e98d2ce2
MH		 448 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags))
449 settings |= MGMT_SETTING_SECURE_CONN;
450
0663b297 451 if (test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags))
b1de97d8
MH		 452 settings |= MGMT_SETTING_DEBUG_KEYS;
453
0f4bd942
JH		 454 if (test_bit(HCI_PRIVACY, &hdev->dev_flags))
455 settings |= MGMT_SETTING_PRIVACY;
456
69ab39ea
JH		 457 return settings;
458}
459
ef580372
JH		 460#define PNP_INFO_SVCLASS_ID 0x1200
461
213202ed
JH		 462static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
463{
464 u8 *ptr = data, *uuids_start = NULL;
465 struct bt_uuid *uuid;
466
467 if (len < 4)
468 return ptr;
469
470 list_for_each_entry(uuid, &hdev->uuids, list) {
471 u16 uuid16;
472
473 if (uuid->size != 16)
474 continue;
475
476 uuid16 = get_unaligned_le16(&uuid->uuid[12]);
477 if (uuid16 < 0x1100)
478 continue;
479
480 if (uuid16 == PNP_INFO_SVCLASS_ID)
481 continue;
482
483 if (!uuids_start) {
484 uuids_start = ptr;
485 uuids_start[0] = 1;
486 uuids_start[1] = EIR_UUID16_ALL;
487 ptr += 2;
488 }
489
490 /* Stop if not enough space to put next UUID */
491 if ((ptr - data) + sizeof(u16) > len) {
492 uuids_start[1] = EIR_UUID16_SOME;
493 break;
494 }
495
496 *ptr++ = (uuid16 & 0x00ff);
497 *ptr++ = (uuid16 & 0xff00) >> 8;
498 uuids_start[0] += sizeof(uuid16);
499 }
500
501 return ptr;
502}
503
cdf1963f
JH		 504static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
505{
506 u8 *ptr = data, *uuids_start = NULL;
507 struct bt_uuid *uuid;
508
509 if (len < 6)
510 return ptr;
511
512 list_for_each_entry(uuid, &hdev->uuids, list) {
513 if (uuid->size != 32)
514 continue;
515
516 if (!uuids_start) {
517 uuids_start = ptr;
518 uuids_start[0] = 1;
519 uuids_start[1] = EIR_UUID32_ALL;
520 ptr += 2;
521 }
522
523 /* Stop if not enough space to put next UUID */
524 if ((ptr - data) + sizeof(u32) > len) {
525 uuids_start[1] = EIR_UUID32_SOME;
526 break;
527 }
528
529 memcpy(ptr, &uuid->uuid[12], sizeof(u32));
530 ptr += sizeof(u32);
531 uuids_start[0] += sizeof(u32);
532 }
533
534 return ptr;
535}
536
c00d575b
JH		 537static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
538{
539 u8 *ptr = data, *uuids_start = NULL;
540 struct bt_uuid *uuid;
541
542 if (len < 18)
543 return ptr;
544
545 list_for_each_entry(uuid, &hdev->uuids, list) {
546 if (uuid->size != 128)
547 continue;
548
549 if (!uuids_start) {
550 uuids_start = ptr;
551 uuids_start[0] = 1;
552 uuids_start[1] = EIR_UUID128_ALL;
553 ptr += 2;
554 }
555
556 /* Stop if not enough space to put next UUID */
557 if ((ptr - data) + 16 > len) {
558 uuids_start[1] = EIR_UUID128_SOME;
559 break;
560 }
561
562 memcpy(ptr, uuid->uuid, 16);
563 ptr += 16;
564 uuids_start[0] += 16;
565 }
566
567 return ptr;
568}
569
eb2a8d20
JH		 570static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev)
571{
572 struct pending_cmd *cmd;
573
574 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
575 if (cmd->opcode == opcode)
576 return cmd;
577 }
578
579 return NULL;
580}
581
95868426
JH		 582static struct pending_cmd *mgmt_pending_find_data(u16 opcode,
583 struct hci_dev *hdev,
584 const void *data)
585{
586 struct pending_cmd *cmd;
587
588 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
589 if (cmd->user_data != data)
590 continue;
591 if (cmd->opcode == opcode)
592 return cmd;
593 }
594
595 return NULL;
596}
597
f14d8f64
MH		 598static u8 create_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
599{
7a5f4990
MH		 600 u8 ad_len = 0;
601 size_t name_len;
602
603 name_len = strlen(hdev->dev_name);
604 if (name_len > 0) {
605 size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
606
607 if (name_len > max_len) {
608 name_len = max_len;
609 ptr[1] = EIR_NAME_SHORT;
610 } else
611 ptr[1] = EIR_NAME_COMPLETE;
612
613 ptr[0] = name_len + 1;
614
615 memcpy(ptr + 2, hdev->dev_name, name_len);
616
617 ad_len += (name_len + 2);
618 ptr += (name_len + 2);
619 }
620
621 return ad_len;
f14d8f64
MH		 622}
623
624static void update_scan_rsp_data(struct hci_request *req)
625{
626 struct hci_dev *hdev = req->hdev;
627 struct hci_cp_le_set_scan_rsp_data cp;
628 u8 len;
629
7751ef1b 630 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
f14d8f64
MH		 631 return;
632
633 memset(&cp, 0, sizeof(cp));
634
635 len = create_scan_rsp_data(hdev, cp.data);
636
eb438b5f
JH		 637 if (hdev->scan_rsp_data_len == len &&
638 memcmp(cp.data, hdev->scan_rsp_data, len) == 0)
f14d8f64
MH		 639 return;
640
eb438b5f
JH		 641 memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
642 hdev->scan_rsp_data_len = len;
f14d8f64
MH		 643
644 cp.length = len;
645
646 hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp);
647}
648
9a43e25f
JH		 649static u8 get_adv_discov_flags(struct hci_dev *hdev)
650{
651 struct pending_cmd *cmd;
652
653 /* If there's a pending mgmt command the flags will not yet have
654 * their final values, so check for this first.
655 */
656 cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
657 if (cmd) {
658 struct mgmt_mode *cp = cmd->param;
659 if (cp->val == 0x01)
660 return LE_AD_GENERAL;
661 else if (cp->val == 0x02)
662 return LE_AD_LIMITED;
663 } else {
664 if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
665 return LE_AD_LIMITED;
666 else if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
667 return LE_AD_GENERAL;
668 }
669
670 return 0;
671}
672
46cad2ed 673static u8 create_adv_data(struct hci_dev *hdev, u8 *ptr)
441ad2d0
MH		 674{
675 u8 ad_len = 0, flags = 0;
441ad2d0 676
9a43e25f 677 flags |= get_adv_discov_flags(hdev);
441ad2d0 678
e834004b 679 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
441ad2d0 680 flags |= LE_AD_NO_BREDR;
441ad2d0
MH		 681
682 if (flags) {
683 BT_DBG("adv flags 0x%02x", flags);
684
685 ptr[0] = 2;
686 ptr[1] = EIR_FLAGS;
687 ptr[2] = flags;
688
689 ad_len += 3;
690 ptr += 3;
691 }
692
693 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) {
694 ptr[0] = 2;
695 ptr[1] = EIR_TX_POWER;
696 ptr[2] = (u8) hdev->adv_tx_power;
697
698 ad_len += 3;
699 ptr += 3;
700 }
701
441ad2d0
MH		 702 return ad_len;
703}
704
5947f4bc 705static void update_adv_data(struct hci_request *req)
441ad2d0
MH		 706{
707 struct hci_dev *hdev = req->hdev;
708 struct hci_cp_le_set_adv_data cp;
709 u8 len;
710
10994ce6 711 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
441ad2d0
MH		 712 return;
713
714 memset(&cp, 0, sizeof(cp));
715
46cad2ed 716 len = create_adv_data(hdev, cp.data);
441ad2d0
MH		 717
718 if (hdev->adv_data_len == len &&
719 memcmp(cp.data, hdev->adv_data, len) == 0)
720 return;
721
722 memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
723 hdev->adv_data_len = len;
724
725 cp.length = len;
726
727 hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
728}
729
ef580372
JH		 730static void create_eir(struct hci_dev *hdev, u8 *data)
731{
732 u8 *ptr = data;
ef580372
JH		 733 size_t name_len;
734
735 name_len = strlen(hdev->dev_name);
736
737 if (name_len > 0) {
738 /* EIR Data type */
739 if (name_len > 48) {
740 name_len = 48;
741 ptr[1] = EIR_NAME_SHORT;
742 } else
743 ptr[1] = EIR_NAME_COMPLETE;
744
745 /* EIR Data length */
746 ptr[0] = name_len + 1;
747
748 memcpy(ptr + 2, hdev->dev_name, name_len);
749
ef580372
JH		 750 ptr += (name_len + 2);
751 }
752
bbaf444a 753 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
91c4e9b1
MH		 754 ptr[0] = 2;
755 ptr[1] = EIR_TX_POWER;
756 ptr[2] = (u8) hdev->inq_tx_power;
757
91c4e9b1
MH		 758 ptr += 3;
759 }
760
2b9be137
MH		 761 if (hdev->devid_source > 0) {
762 ptr[0] = 9;
763 ptr[1] = EIR_DEVICE_ID;
764
765 put_unaligned_le16(hdev->devid_source, ptr + 2);
766 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
767 put_unaligned_le16(hdev->devid_product, ptr + 6);
768 put_unaligned_le16(hdev->devid_version, ptr + 8);
769
2b9be137
MH		 770 ptr += 10;
771 }
772
213202ed 773 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
cdf1963f 774 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
c00d575b 775 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
ef580372
JH		 776}
777
890ea898 778static void update_eir(struct hci_request *req)
ef580372 779{
890ea898 780 struct hci_dev *hdev = req->hdev;
ef580372
JH		 781 struct hci_cp_write_eir cp;
782
504c8dcd 783 if (!hdev_is_powered(hdev))
890ea898 784 return;
7770c4aa 785
976eb20e 786 if (!lmp_ext_inq_capable(hdev))
890ea898 787 return;
ef580372 788
84bde9d6 789 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
890ea898 790 return;
ef580372 791
a8b2d5c2 792 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 793 return;
ef580372
JH		 794
795 memset(&cp, 0, sizeof(cp));
796
797 create_eir(hdev, cp.data);
798
799 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
890ea898 800 return;
ef580372
JH		 801
802 memcpy(hdev->eir, cp.data, sizeof(cp.data));
803
890ea898 804 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
ef580372
JH		 805}
806
807static u8 get_service_classes(struct hci_dev *hdev)
808{
809 struct bt_uuid *uuid;
810 u8 val = 0;
811
812 list_for_each_entry(uuid, &hdev->uuids, list)
813 val |= uuid->svc_hint;
814
815 return val;
816}
817
890ea898 818static void update_class(struct hci_request *req)
ef580372 819{
890ea898 820 struct hci_dev *hdev = req->hdev;
ef580372
JH		 821 u8 cod[3];
822
823 BT_DBG("%s", hdev->name);
824
504c8dcd 825 if (!hdev_is_powered(hdev))
890ea898 826 return;
7770c4aa 827
f87ea1da
JH		 828 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
829 return;
830
a8b2d5c2 831 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
890ea898 832 return;
ef580372
JH		 833
834 cod[0] = hdev->minor_class;
835 cod[1] = hdev->major_class;
836 cod[2] = get_service_classes(hdev);
837
6acd7db4
MH		 838 if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags))
839 cod[1] |= 0x20;
840
ef580372 841 if (memcmp(cod, hdev->dev_class, 3) == 0)
890ea898 842 return;
ef580372 843
890ea898 844 hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
ef580372
JH		 845}
846
a4858cb9 847static bool get_connectable(struct hci_dev *hdev)
199a2fb1
JH		 848{
849 struct pending_cmd *cmd;
199a2fb1
JH		 850
851 /* If there's a pending mgmt command the flag will not yet have
852 * it's final value, so check for this first.
853 */
854 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
855 if (cmd) {
856 struct mgmt_mode *cp = cmd->param;
a4858cb9 857 return cp->val;
199a2fb1
JH		 858 }
859
a4858cb9 860 return test_bit(HCI_CONNECTABLE, &hdev->dev_flags);
199a2fb1
JH		 861}
862
863static void enable_advertising(struct hci_request *req)
864{
865 struct hci_dev *hdev = req->hdev;
866 struct hci_cp_le_set_adv_param cp;
8f2a0601 867 u8 own_addr_type, enable = 0x01;
a4858cb9 868 bool connectable;
199a2fb1 869
8d97250e
JH		 870 /* Clear the HCI_ADVERTISING bit temporarily so that the
871 * hci_update_random_address knows that it's safe to go ahead
872 * and write a new random address. The flag will be set back on
873 * as soon as the SET_ADV_ENABLE HCI command completes.
874 */
875 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
876
a4858cb9 877 connectable = get_connectable(hdev);
8f2a0601 878
a4858cb9
JH		 879 /* Set require_privacy to true only when non-connectable
880 * advertising is used. In that case it is fine to use a
881 * non-resolvable private address.
882 */
883 if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
8f2a0601
JH		 884 return;
885
41c90c18 886 memset(&cp, 0, sizeof(cp));
dcf4adbf
JP		 887 cp.min_interval = cpu_to_le16(0x0800);
888 cp.max_interval = cpu_to_le16(0x0800);
a4858cb9 889 cp.type = connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND;
8f2a0601 890 cp.own_address_type = own_addr_type;
199a2fb1
JH		 891 cp.channel_map = hdev->le_adv_channel_map;
892
893 hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
894
895 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
896}
897
898static void disable_advertising(struct hci_request *req)
899{
900 u8 enable = 0x00;
901
902 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
903}
904
7d78525d
JH		 905static void service_cache_off(struct work_struct *work)
906{
907 struct hci_dev *hdev = container_of(work, struct hci_dev,
04124681 908 service_cache.work);
890ea898 909 struct hci_request req;
7d78525d 910
a8b2d5c2 911 if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
7d78525d
JH		 912 return;
913
890ea898
JH		 914 hci_req_init(&req, hdev);
915
7d78525d
JH		 916 hci_dev_lock(hdev);
917
890ea898
JH		 918 update_eir(&req);
919 update_class(&req);
7d78525d
JH		 920
921 hci_dev_unlock(hdev);
890ea898
JH		 922
923 hci_req_run(&req, NULL);
7d78525d
JH		 924}
925
d6bfd59c
JH		 926static void rpa_expired(struct work_struct *work)
927{
928 struct hci_dev *hdev = container_of(work, struct hci_dev,
929 rpa_expired.work);
930 struct hci_request req;
931
932 BT_DBG("");
933
934 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
935
936 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags) ||
937 hci_conn_num(hdev, LE_LINK) > 0)
938 return;
939
940 /* The generation of a new RPA and programming it into the
941 * controller happens in the enable_advertising() function.
942 */
943
944 hci_req_init(&req, hdev);
945
946 disable_advertising(&req);
947 enable_advertising(&req);
948
949 hci_req_run(&req, NULL);
950}
951
6a919082 952static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
7d78525d 953{
4f87da80 954 if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags))
6a919082
JH		 955 return;
956
4f87da80 957 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
d6bfd59c 958 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
7d78525d 959
4f87da80
JH		 960 /* Non-mgmt controlled devices get this bit set
961 * implicitly so that pairing works for them, however
962 * for mgmt we require user-space to explicitly enable
963 * it
964 */
965 clear_bit(HCI_PAIRABLE, &hdev->dev_flags);
7d78525d
JH		 966}
967
0f4e68cf 968static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
04124681 969 void *data, u16 data_len)
0381101f 970{
a38528f1 971 struct mgmt_rp_read_info rp;
f7b64e69 972
bdb6d971 973 BT_DBG("sock %p %s", sk, hdev->name);
f7b64e69 974
09fd0de5 975 hci_dev_lock(hdev);
f7b64e69 976
dc4fe30b
JH		 977 memset(&rp, 0, sizeof(rp));
978
69ab39ea 979 bacpy(&rp.bdaddr, &hdev->bdaddr);
f7b64e69 980
69ab39ea 981 rp.version = hdev->hci_ver;
eb55ef07 982 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
69ab39ea
JH		 983
984 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
985 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
f7b64e69 986
a38528f1 987 memcpy(rp.dev_class, hdev->dev_class, 3);
f7b64e69 988
dc4fe30b 989 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
27fcc362 990 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
dc4fe30b 991
09fd0de5 992 hci_dev_unlock(hdev);
0381101f 993
bdb6d971 994 return cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
04124681 995 sizeof(rp));
0381101f
JH		 996}
997
eec8d2bc
JH		 998static void mgmt_pending_free(struct pending_cmd *cmd)
999{
1000 sock_put(cmd->sk);
c68fb7ff 1001 kfree(cmd->param);
eec8d2bc
JH		 1002 kfree(cmd);
1003}
1004
366a0336 1005static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
04124681
GP		 1006 struct hci_dev *hdev, void *data,
1007 u16 len)
eec8d2bc
JH		 1008{
1009 struct pending_cmd *cmd;
1010
fca20018 1011 cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
eec8d2bc 1012 if (!cmd)
366a0336 1013 return NULL;
eec8d2bc
JH		 1014
1015 cmd->opcode = opcode;
2e58ef3e 1016 cmd->index = hdev->id;
eec8d2bc 1017
12b94565 1018 cmd->param = kmalloc(len, GFP_KERNEL);
c68fb7ff 1019 if (!cmd->param) {
eec8d2bc 1020 kfree(cmd);
366a0336 1021 return NULL;
eec8d2bc
JH		 1022 }
1023
8fce6357
SJ		 1024 if (data)
1025 memcpy(cmd->param, data, len);
eec8d2bc
JH		 1026
1027 cmd->sk = sk;
1028 sock_hold(sk);
1029
2e58ef3e 1030 list_add(&cmd->list, &hdev->mgmt_pending);
eec8d2bc 1031
366a0336 1032 return cmd;
eec8d2bc
JH		 1033}
1034
744cf19e 1035static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev,
8fc9ced3
GP		 1036 void (*cb)(struct pending_cmd *cmd,
1037 void *data),
04124681 1038 void *data)
eec8d2bc 1039{
a3d09356 1040 struct pending_cmd *cmd, *tmp;
eec8d2bc 1041
a3d09356 1042 list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) {
b24752fe 1043 if (opcode > 0 && cmd->opcode != opcode)
eec8d2bc
JH		 1044 continue;
1045
eec8d2bc
JH		 1046 cb(cmd, data);
1047 }
1048}
1049
a664b5bc 1050static void mgmt_pending_remove(struct pending_cmd *cmd)
73f22f62 1051{
73f22f62
JH		 1052 list_del(&cmd->list);
1053 mgmt_pending_free(cmd);
1054}
1055
69ab39ea 1056static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
8680570b 1057{
69ab39ea 1058 __le32 settings = cpu_to_le32(get_current_settings(hdev));
8680570b 1059
aee9b218 1060 return cmd_complete(sk, hdev->id, opcode, 0, &settings,
04124681 1061 sizeof(settings));
8680570b
JH		 1062}
1063
8b064a3a
JH		 1064static void clean_up_hci_complete(struct hci_dev *hdev, u8 status)
1065{
1066 BT_DBG("%s status 0x%02x", hdev->name, status);
1067
a3172b7e
JH		 1068 if (hci_conn_count(hdev) == 0) {
1069 cancel_delayed_work(&hdev->power_off);
8b064a3a 1070 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 1071 }
8b064a3a
JH		 1072}
1073
21a60d30
JH		 1074static void hci_stop_discovery(struct hci_request *req)
1075{
1076 struct hci_dev *hdev = req->hdev;
1077 struct hci_cp_remote_name_req_cancel cp;
1078 struct inquiry_entry *e;
1079
1080 switch (hdev->discovery.state) {
1081 case DISCOVERY_FINDING:
1082 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
1083 hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
1084 } else {
1085 cancel_delayed_work(&hdev->le_scan_disable);
1086 hci_req_add_le_scan_disable(req);
1087 }
1088
1089 break;
1090
1091 case DISCOVERY_RESOLVING:
1092 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
1093 NAME_PENDING);
1094 if (!e)
1095 return;
1096
1097 bacpy(&cp.bdaddr, &e->data.bdaddr);
1098 hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
1099 &cp);
1100
1101 break;
1102
1103 default:
1104 /* Passive scanning */
1105 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags))
1106 hci_req_add_le_scan_disable(req);
1107 break;
1108 }
1109}
1110
8b064a3a
JH		 1111static int clean_up_hci_state(struct hci_dev *hdev)
1112{
1113 struct hci_request req;
1114 struct hci_conn *conn;
1115
1116 hci_req_init(&req, hdev);
1117
1118 if (test_bit(HCI_ISCAN, &hdev->flags) ||
1119 test_bit(HCI_PSCAN, &hdev->flags)) {
1120 u8 scan = 0x00;
1121 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1122 }
1123
1124 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
1125 disable_advertising(&req);
1126
f8680f12 1127 hci_stop_discovery(&req);
8b064a3a
JH		 1128
1129 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
1130 struct hci_cp_disconnect dc;
c9910d0f
JH		 1131 struct hci_cp_reject_conn_req rej;
1132
1133 switch (conn->state) {
1134 case BT_CONNECTED:
1135 case BT_CONFIG:
1136 dc.handle = cpu_to_le16(conn->handle);
1137 dc.reason = 0x15; /* Terminated due to Power Off */
1138 hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1139 break;
1140 case BT_CONNECT:
1141 if (conn->type == LE_LINK)
1142 hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL,
1143 0, NULL);
1144 else if (conn->type == ACL_LINK)
1145 hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL,
1146 6, &conn->dst);
1147 break;
1148 case BT_CONNECT2:
1149 bacpy(&rej.bdaddr, &conn->dst);
1150 rej.reason = 0x15; /* Terminated due to Power Off */
1151 if (conn->type == ACL_LINK)
1152 hci_req_add(&req, HCI_OP_REJECT_CONN_REQ,
1153 sizeof(rej), &rej);
1154 else if (conn->type == SCO_LINK)
1155 hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ,
1156 sizeof(rej), &rej);
1157 break;
1158 }
8b064a3a
JH		 1159 }
1160
1161 return hci_req_run(&req, clean_up_hci_complete);
1162}
1163
bdb6d971 1164static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1165 u16 len)
eec8d2bc 1166{
650f726d 1167 struct mgmt_mode *cp = data;
366a0336 1168 struct pending_cmd *cmd;
4b34ee78 1169 int err;
eec8d2bc 1170
bdb6d971 1171 BT_DBG("request for %s", hdev->name);
eec8d2bc 1172
a7e80f25
JH		 1173 if (cp->val != 0x00 && cp->val != 0x01)
1174 return cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1175 MGMT_STATUS_INVALID_PARAMS);
1176
09fd0de5 1177 hci_dev_lock(hdev);
eec8d2bc 1178
87b95ba6
JH		 1179 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) {
1180 err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1181 MGMT_STATUS_BUSY);
1182 goto failed;
1183 }
1184
f0d4b78a
MH		 1185 if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
1186 cancel_delayed_work(&hdev->power_off);
1187
1188 if (cp->val) {
a1d70450
JH		 1189 mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
1190 data, len);
1191 err = mgmt_powered(hdev, 1);
f0d4b78a
MH		 1192 goto failed;
1193 }
1194 }
1195
4b34ee78 1196 if (!!cp->val == hdev_is_powered(hdev)) {
69ab39ea 1197 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
eec8d2bc
JH		 1198 goto failed;
1199 }
1200
2e58ef3e 1201 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
366a0336
JH		 1202 if (!cmd) {
1203 err = -ENOMEM;
eec8d2bc 1204 goto failed;
366a0336 1205 }
eec8d2bc 1206
8b064a3a 1207 if (cp->val) {
19202573 1208 queue_work(hdev->req_workqueue, &hdev->power_on);
8b064a3a
JH		 1209 err = 0;
1210 } else {
1211 /* Disconnect connections, stop scans, etc */
1212 err = clean_up_hci_state(hdev);
a3172b7e
JH		 1213 if (!err)
1214 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
1215 HCI_POWER_OFF_TIMEOUT);
eec8d2bc 1216
8b064a3a
JH		 1217 /* ENODATA means there were no HCI commands queued */
1218 if (err == -ENODATA) {
a3172b7e 1219 cancel_delayed_work(&hdev->power_off);
8b064a3a
JH		 1220 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1221 err = 0;
1222 }
1223 }
eec8d2bc
JH		 1224
1225failed:
09fd0de5 1226 hci_dev_unlock(hdev);
366a0336 1227 return err;
eec8d2bc
JH		 1228}
1229
04124681
GP		 1230static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len,
1231 struct sock *skip_sk)
beadb2bd
JH		 1232{
1233 struct sk_buff *skb;
1234 struct mgmt_hdr *hdr;
1235
790eff44 1236 skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL);
beadb2bd
JH		 1237 if (!skb)
1238 return -ENOMEM;
1239
1240 hdr = (void *) skb_put(skb, sizeof(*hdr));
1241 hdr->opcode = cpu_to_le16(event);
1242 if (hdev)
1243 hdr->index = cpu_to_le16(hdev->id);
1244 else
dcf4adbf 1245 hdr->index = cpu_to_le16(MGMT_INDEX_NONE);
beadb2bd
JH		 1246 hdr->len = cpu_to_le16(data_len);
1247
1248 if (data)
1249 memcpy(skb_put(skb, data_len), data, data_len);
1250
97e0bdeb
MH		 1251 /* Time stamp */
1252 __net_timestamp(skb);
1253
beadb2bd
JH		 1254 hci_send_to_control(skb, skip_sk);
1255 kfree_skb(skb);
1256
1257 return 0;
1258}
1259
1260static int new_settings(struct hci_dev *hdev, struct sock *skip)
1261{
1262 __le32 ev;
1263
1264 ev = cpu_to_le32(get_current_settings(hdev));
1265
1266 return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip);
1267}
1268
bd99abdd
JH		 1269struct cmd_lookup {
1270 struct sock *sk;
1271 struct hci_dev *hdev;
1272 u8 mgmt_status;
1273};
1274
1275static void settings_rsp(struct pending_cmd *cmd, void *data)
1276{
1277 struct cmd_lookup *match = data;
1278
1279 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1280
1281 list_del(&cmd->list);
1282
1283 if (match->sk == NULL) {
1284 match->sk = cmd->sk;
1285 sock_hold(match->sk);
1286 }
1287
1288 mgmt_pending_free(cmd);
1289}
1290
1291static void cmd_status_rsp(struct pending_cmd *cmd, void *data)
1292{
1293 u8 *status = data;
1294
1295 cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
1296 mgmt_pending_remove(cmd);
1297}
1298
e6fe7986
JH		 1299static u8 mgmt_bredr_support(struct hci_dev *hdev)
1300{
1301 if (!lmp_bredr_capable(hdev))
1302 return MGMT_STATUS_NOT_SUPPORTED;
1303 else if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1304 return MGMT_STATUS_REJECTED;
1305 else
1306 return MGMT_STATUS_SUCCESS;
1307}
1308
1309static u8 mgmt_le_support(struct hci_dev *hdev)
1310{
1311 if (!lmp_le_capable(hdev))
1312 return MGMT_STATUS_NOT_SUPPORTED;
1313 else if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
1314 return MGMT_STATUS_REJECTED;
1315 else
1316 return MGMT_STATUS_SUCCESS;
1317}
1318
bfaf8c9f
JH		 1319static void set_discoverable_complete(struct hci_dev *hdev, u8 status)
1320{
1321 struct pending_cmd *cmd;
1322 struct mgmt_mode *cp;
970ba524 1323 struct hci_request req;
bfaf8c9f
JH		 1324 bool changed;
1325
1326 BT_DBG("status 0x%02x", status);
1327
1328 hci_dev_lock(hdev);
1329
1330 cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
1331 if (!cmd)
1332 goto unlock;
1333
1334 if (status) {
1335 u8 mgmt_err = mgmt_status(status);
1336 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
310a3d48 1337 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
bfaf8c9f
JH		 1338 goto remove_cmd;
1339 }
1340
1341 cp = cmd->param;
d4462a07 1342 if (cp->val) {
bfaf8c9f
JH		 1343 changed = !test_and_set_bit(HCI_DISCOVERABLE,
1344 &hdev->dev_flags);
d4462a07
MH		 1345
1346 if (hdev->discov_timeout > 0) {
1347 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1348 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
1349 to);
1350 }
1351 } else {
bfaf8c9f
JH		 1352 changed = test_and_clear_bit(HCI_DISCOVERABLE,
1353 &hdev->dev_flags);
d4462a07 1354 }
bfaf8c9f
JH		 1355
1356 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1357
1358 if (changed)
1359 new_settings(hdev, cmd->sk);
1360
970ba524
MH		 1361 /* When the discoverable mode gets changed, make sure
1362 * that class of device has the limited discoverable
1363 * bit correctly set.
1364 */
1365 hci_req_init(&req, hdev);
1366 update_class(&req);
1367 hci_req_run(&req, NULL);
1368
bfaf8c9f
JH		 1369remove_cmd:
1370 mgmt_pending_remove(cmd);
1371
1372unlock:
1373 hci_dev_unlock(hdev);
1374}
1375
bdb6d971 1376static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1377 u16 len)
73f22f62 1378{
650f726d 1379 struct mgmt_cp_set_discoverable *cp = data;
366a0336 1380 struct pending_cmd *cmd;
bfaf8c9f 1381 struct hci_request req;
5e5282bb 1382 u16 timeout;
9a43e25f 1383 u8 scan;
73f22f62
JH		 1384 int err;
1385
bdb6d971 1386 BT_DBG("request for %s", hdev->name);
73f22f62 1387
9a43e25f
JH		 1388 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
1389 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
33c525c0 1390 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
9a43e25f 1391 MGMT_STATUS_REJECTED);
33c525c0 1392
310a3d48 1393 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
a7e80f25
JH		 1394 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1395 MGMT_STATUS_INVALID_PARAMS);
1396
1f350c87 1397 timeout = __le16_to_cpu(cp->timeout);
310a3d48
MH		 1398
1399 /* Disabling discoverable requires that no timeout is set,
1400 * and enabling limited discoverable requires a timeout.
1401 */
1402 if ((cp->val == 0x00 && timeout > 0) ||
1403 (cp->val == 0x02 && timeout == 0))
bdb6d971 1404 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1405 MGMT_STATUS_INVALID_PARAMS);
73f22f62 1406
09fd0de5 1407 hci_dev_lock(hdev);
73f22f62 1408
5e5282bb 1409 if (!hdev_is_powered(hdev) && timeout > 0) {
bdb6d971 1410 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1411 MGMT_STATUS_NOT_POWERED);
73f22f62
JH		 1412 goto failed;
1413 }
1414
2e58ef3e 1415 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1416 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1417 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1418 MGMT_STATUS_BUSY);
73f22f62
JH		 1419 goto failed;
1420 }
1421
5e5282bb 1422 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
bdb6d971 1423 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
04124681 1424 MGMT_STATUS_REJECTED);
5e5282bb
JH		 1425 goto failed;
1426 }
1427
1428 if (!hdev_is_powered(hdev)) {
0224d2fa
JH		 1429 bool changed = false;
1430
310a3d48
MH		 1431 /* Setting limited discoverable when powered off is
1432 * not a valid operation since it requires a timeout
1433 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1434 */
0224d2fa
JH		 1435 if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) {
1436 change_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1437 changed = true;
1438 }
1439
5e5282bb 1440 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
0224d2fa
JH		 1441 if (err < 0)
1442 goto failed;
1443
1444 if (changed)
1445 err = new_settings(hdev, sk);
1446
5e5282bb
JH		 1447 goto failed;
1448 }
1449
310a3d48
MH		 1450 /* If the current mode is the same, then just update the timeout
1451 * value with the new value. And if only the timeout gets updated,
1452 * then no need for any HCI transactions.
1453 */
1454 if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags) &&
1455 (cp->val == 0x02) == test_bit(HCI_LIMITED_DISCOVERABLE,
1456 &hdev->dev_flags)) {
36261547
MH		 1457 cancel_delayed_work(&hdev->discov_off);
1458 hdev->discov_timeout = timeout;
955638ec 1459
36261547
MH		 1460 if (cp->val && hdev->discov_timeout > 0) {
1461 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
955638ec 1462 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
36261547 1463 to);
955638ec
MH		 1464 }
1465
69ab39ea 1466 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
73f22f62
JH		 1467 goto failed;
1468 }
1469
2e58ef3e 1470 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
366a0336
JH		 1471 if (!cmd) {
1472 err = -ENOMEM;
73f22f62 1473 goto failed;
366a0336 1474 }
73f22f62 1475
310a3d48
MH		 1476 /* Cancel any potential discoverable timeout that might be
1477 * still active and store new timeout value. The arming of
1478 * the timeout happens in the complete handler.
1479 */
1480 cancel_delayed_work(&hdev->discov_off);
1481 hdev->discov_timeout = timeout;
1482
b456f87c
JH		 1483 /* Limited discoverable mode */
1484 if (cp->val == 0x02)
1485 set_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1486 else
1487 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1488
bfaf8c9f
JH		 1489 hci_req_init(&req, hdev);
1490
9a43e25f
JH		 1491 /* The procedure for LE-only controllers is much simpler - just
1492 * update the advertising data.
1493 */
1494 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1495 goto update_ad;
1496
73f22f62
JH		 1497 scan = SCAN_PAGE;
1498
310a3d48
MH		 1499 if (cp->val) {
1500 struct hci_cp_write_current_iac_lap hci_cp;
1501
1502 if (cp->val == 0x02) {
1503 /* Limited discoverable mode */
33337dcb 1504 hci_cp.num_iac = min_t(u8, hdev->num_iac, 2);
310a3d48
MH		 1505 hci_cp.iac_lap[0] = 0x00; /* LIAC */
1506 hci_cp.iac_lap[1] = 0x8b;
1507 hci_cp.iac_lap[2] = 0x9e;
1508 hci_cp.iac_lap[3] = 0x33; /* GIAC */
1509 hci_cp.iac_lap[4] = 0x8b;
1510 hci_cp.iac_lap[5] = 0x9e;
1511 } else {
1512 /* General discoverable mode */
310a3d48
MH		 1513 hci_cp.num_iac = 1;
1514 hci_cp.iac_lap[0] = 0x33; /* GIAC */
1515 hci_cp.iac_lap[1] = 0x8b;
1516 hci_cp.iac_lap[2] = 0x9e;
1517 }
1518
1519 hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP,
1520 (hci_cp.num_iac * 3) + 1, &hci_cp);
1521
73f22f62 1522 scan |= SCAN_INQUIRY;
310a3d48
MH		 1523 } else {
1524 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1525 }
73f22f62 1526
310a3d48 1527 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
bfaf8c9f 1528
9a43e25f
JH		 1529update_ad:
1530 update_adv_data(&req);
1531
bfaf8c9f 1532 err = hci_req_run(&req, set_discoverable_complete);
73f22f62 1533 if (err < 0)
a664b5bc 1534 mgmt_pending_remove(cmd);
73f22f62
JH		 1535
1536failed:
09fd0de5 1537 hci_dev_unlock(hdev);
73f22f62
JH		 1538 return err;
1539}
1540
406d7804
JH		 1541static void write_fast_connectable(struct hci_request *req, bool enable)
1542{
bd98b996 1543 struct hci_dev *hdev = req->hdev;
406d7804
JH		 1544 struct hci_cp_write_page_scan_activity acp;
1545 u8 type;
1546
547003b1
JH		 1547 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
1548 return;
1549
4c01f8b8
JH		 1550 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
1551 return;
1552
406d7804
JH		 1553 if (enable) {
1554 type = PAGE_SCAN_TYPE_INTERLACED;
1555
1556 /* 160 msec page scan interval */
dcf4adbf 1557 acp.interval = cpu_to_le16(0x0100);
406d7804
JH		 1558 } else {
1559 type = PAGE_SCAN_TYPE_STANDARD; /* default */
1560
1561 /* default 1.28 sec page scan */
dcf4adbf 1562 acp.interval = cpu_to_le16(0x0800);
406d7804
JH		 1563 }
1564
dcf4adbf 1565 acp.window = cpu_to_le16(0x0012);
406d7804 1566
bd98b996
JH		 1567 if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
1568 __cpu_to_le16(hdev->page_scan_window) != acp.window)
1569 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
1570 sizeof(acp), &acp);
1571
1572 if (hdev->page_scan_type != type)
1573 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
406d7804
JH		 1574}
1575
2b76f453
JH		 1576static void set_connectable_complete(struct hci_dev *hdev, u8 status)
1577{
1578 struct pending_cmd *cmd;
d7b856f9
JH		 1579 struct mgmt_mode *cp;
1580 bool changed;
2b76f453
JH		 1581
1582 BT_DBG("status 0x%02x", status);
1583
1584 hci_dev_lock(hdev);
1585
1586 cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
1587 if (!cmd)
1588 goto unlock;
1589
37438c1f
JH		 1590 if (status) {
1591 u8 mgmt_err = mgmt_status(status);
1592 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
1593 goto remove_cmd;
1594 }
1595
d7b856f9
JH		 1596 cp = cmd->param;
1597 if (cp->val)
1598 changed = !test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1599 else
1600 changed = test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1601
2b76f453
JH		 1602 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
1603
d7b856f9
JH		 1604 if (changed)
1605 new_settings(hdev, cmd->sk);
1606
37438c1f 1607remove_cmd:
2b76f453
JH		 1608 mgmt_pending_remove(cmd);
1609
1610unlock:
1611 hci_dev_unlock(hdev);
1612}
1613
e8ba3a1f
JH		 1614static int set_connectable_update_settings(struct hci_dev *hdev,
1615 struct sock *sk, u8 val)
1616{
1617 bool changed = false;
1618 int err;
1619
1620 if (!!val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
1621 changed = true;
1622
1623 if (val) {
1624 set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1625 } else {
1626 clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
1627 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1628 }
1629
1630 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
1631 if (err < 0)
1632 return err;
1633
1634 if (changed)
1635 return new_settings(hdev, sk);
1636
1637 return 0;
1638}
1639
bdb6d971 1640static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1641 u16 len)
9fbcbb45 1642{
650f726d 1643 struct mgmt_mode *cp = data;
366a0336 1644 struct pending_cmd *cmd;
2b76f453 1645 struct hci_request req;
1987fdc7 1646 u8 scan;
9fbcbb45
JH		 1647 int err;
1648
bdb6d971 1649 BT_DBG("request for %s", hdev->name);
9fbcbb45 1650
1987fdc7
JH		 1651 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
1652 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
33c525c0 1653 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1987fdc7 1654 MGMT_STATUS_REJECTED);
33c525c0 1655
a7e80f25
JH		 1656 if (cp->val != 0x00 && cp->val != 0x01)
1657 return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
1658 MGMT_STATUS_INVALID_PARAMS);
1659
09fd0de5 1660 hci_dev_lock(hdev);
9fbcbb45 1661
4b34ee78 1662 if (!hdev_is_powered(hdev)) {
e8ba3a1f 1663 err = set_connectable_update_settings(hdev, sk, cp->val);
9fbcbb45
JH		 1664 goto failed;
1665 }
1666
2e58ef3e 1667 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
8ce8e2b5 1668 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
bdb6d971 1669 err = cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
04124681 1670 MGMT_STATUS_BUSY);
9fbcbb45
JH		 1671 goto failed;
1672 }
1673
2e58ef3e 1674 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
366a0336
JH		 1675 if (!cmd) {
1676 err = -ENOMEM;
9fbcbb45 1677 goto failed;
366a0336 1678 }
9fbcbb45 1679
9b74246f 1680 hci_req_init(&req, hdev);
9fbcbb45 1681
9a43e25f
JH		 1682 /* If BR/EDR is not enabled and we disable advertising as a
1683 * by-product of disabling connectable, we need to update the
1684 * advertising flags.
1685 */
1686 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
1687 if (!cp->val) {
1688 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
1689 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
1690 }
1691 update_adv_data(&req);
1692 } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
9b74246f
JH		 1693 if (cp->val) {
1694 scan = SCAN_PAGE;
1695 } else {
1696 scan = 0;
1697
1698 if (test_bit(HCI_ISCAN, &hdev->flags) &&
8d6083fe 1699 hdev->discov_timeout > 0)
9b74246f
JH		 1700 cancel_delayed_work(&hdev->discov_off);
1701 }
2b76f453 1702
9b74246f
JH		 1703 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1704 }
2b76f453 1705
4c01f8b8
JH		 1706 /* If we're going from non-connectable to connectable or
1707 * vice-versa when fast connectable is enabled ensure that fast
1708 * connectable gets disabled. write_fast_connectable won't do
1709 * anything if the page scan parameters are already what they
1710 * should be.
1711 */
1712 if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
e36a3769
JH		 1713 write_fast_connectable(&req, false);
1714
1987fdc7
JH		 1715 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags) &&
1716 hci_conn_num(hdev, LE_LINK) == 0) {
1717 disable_advertising(&req);
1718 enable_advertising(&req);
1719 }
1720
2b76f453 1721 err = hci_req_run(&req, set_connectable_complete);
9b74246f 1722 if (err < 0) {
a664b5bc 1723 mgmt_pending_remove(cmd);
9b74246f 1724 if (err == -ENODATA)
a81070ba
JH		 1725 err = set_connectable_update_settings(hdev, sk,
1726 cp->val);
9b74246f
JH		 1727 goto failed;
1728 }
9fbcbb45
JH		 1729
1730failed:
09fd0de5 1731 hci_dev_unlock(hdev);
9fbcbb45
JH		 1732 return err;
1733}
1734
bdb6d971 1735static int set_pairable(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 1736 u16 len)
c542a06c 1737{
650f726d 1738 struct mgmt_mode *cp = data;
55594356 1739 bool changed;
c542a06c
JH		 1740 int err;
1741
bdb6d971 1742 BT_DBG("request for %s", hdev->name);
c542a06c 1743
a7e80f25
JH		 1744 if (cp->val != 0x00 && cp->val != 0x01)
1745 return cmd_status(sk, hdev->id, MGMT_OP_SET_PAIRABLE,
1746 MGMT_STATUS_INVALID_PARAMS);
1747
09fd0de5 1748 hci_dev_lock(hdev);
c542a06c
JH		 1749
1750 if (cp->val)
55594356 1751 changed = !test_and_set_bit(HCI_PAIRABLE, &hdev->dev_flags);
c542a06c 1752 else
55594356 1753 changed = test_and_clear_bit(HCI_PAIRABLE, &hdev->dev_flags);
c542a06c 1754
69ab39ea 1755 err = send_settings_rsp(sk, MGMT_OP_SET_PAIRABLE, hdev);
c542a06c 1756 if (err < 0)
55594356 1757 goto unlock;
c542a06c 1758
55594356
MH		 1759 if (changed)
1760 err = new_settings(hdev, sk);
c542a06c 1761
55594356 1762unlock:
09fd0de5 1763 hci_dev_unlock(hdev);
c542a06c
JH		 1764 return err;
1765}
1766
04124681
GP		 1767static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
1768 u16 len)
33ef95ed
JH		 1769{
1770 struct mgmt_mode *cp = data;
1771 struct pending_cmd *cmd;
e6fe7986 1772 u8 val, status;
33ef95ed
JH		 1773 int err;
1774
bdb6d971 1775 BT_DBG("request for %s", hdev->name);
33ef95ed 1776
e6fe7986
JH		 1777 status = mgmt_bredr_support(hdev);
1778 if (status)
33c525c0 1779 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
e6fe7986 1780 status);
33c525c0 1781
a7e80f25
JH		 1782 if (cp->val != 0x00 && cp->val != 0x01)
1783 return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1784 MGMT_STATUS_INVALID_PARAMS);
1785
33ef95ed
JH		 1786 hci_dev_lock(hdev);
1787
4b34ee78 1788 if (!hdev_is_powered(hdev)) {
47990ea0
JH		 1789 bool changed = false;
1790
1791 if (!!cp->val != test_bit(HCI_LINK_SECURITY,
8ce8e2b5 1792 &hdev->dev_flags)) {
47990ea0
JH		 1793 change_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
1794 changed = true;
1795 }
1796
1797 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1798 if (err < 0)
1799 goto failed;
1800
1801 if (changed)
1802 err = new_settings(hdev, sk);
1803
33ef95ed
JH		 1804 goto failed;
1805 }
1806
1807 if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
bdb6d971 1808 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
04124681 1809 MGMT_STATUS_BUSY);
33ef95ed
JH		 1810 goto failed;
1811 }
1812
1813 val = !!cp->val;
1814
1815 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
1816 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1817 goto failed;
1818 }
1819
1820 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
1821 if (!cmd) {
1822 err = -ENOMEM;
1823 goto failed;
1824 }
1825
1826 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
1827 if (err < 0) {
1828 mgmt_pending_remove(cmd);
1829 goto failed;
1830 }
1831
1832failed:
1833 hci_dev_unlock(hdev);
33ef95ed
JH		 1834 return err;
1835}
1836
bdb6d971 1837static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
ed2c4ee3
JH		 1838{
1839 struct mgmt_mode *cp = data;
1840 struct pending_cmd *cmd;
72ef0c1a 1841 u8 status;
ed2c4ee3
JH		 1842 int err;
1843
bdb6d971 1844 BT_DBG("request for %s", hdev->name);
ed2c4ee3 1845
cdba5281
MH		 1846 status = mgmt_bredr_support(hdev);
1847 if (status)
1848 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
1849
13ecd8b6
JH		 1850 if (!lmp_ssp_capable(hdev))
1851 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1852 MGMT_STATUS_NOT_SUPPORTED);
ed2c4ee3 1853
a7e80f25
JH		 1854 if (cp->val != 0x00 && cp->val != 0x01)
1855 return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1856 MGMT_STATUS_INVALID_PARAMS);
1857
13ecd8b6 1858 hci_dev_lock(hdev);
6c8f12c1 1859
4b34ee78 1860 if (!hdev_is_powered(hdev)) {
9ecb3e24 1861 bool changed;
c0ecddc2 1862
9ecb3e24
MH		 1863 if (cp->val) {
1864 changed = !test_and_set_bit(HCI_SSP_ENABLED,
1865 &hdev->dev_flags);
1866 } else {
1867 changed = test_and_clear_bit(HCI_SSP_ENABLED,
1868 &hdev->dev_flags);
1869 if (!changed)
1870 changed = test_and_clear_bit(HCI_HS_ENABLED,
1871 &hdev->dev_flags);
1872 else
1873 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
c0ecddc2
JH		 1874 }
1875
1876 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1877 if (err < 0)
1878 goto failed;
1879
1880 if (changed)
1881 err = new_settings(hdev, sk);
1882
ed2c4ee3
JH		 1883 goto failed;
1884 }
1885
9ecb3e24
MH		 1886 if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev) ||
1887 mgmt_pending_find(MGMT_OP_SET_HS, hdev)) {
d97dcb66
SJ		 1888 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1889 MGMT_STATUS_BUSY);
ed2c4ee3
JH		 1890 goto failed;
1891 }
1892
72ef0c1a 1893 if (!!cp->val == test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
ed2c4ee3
JH		 1894 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1895 goto failed;
1896 }
1897
1898 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
1899 if (!cmd) {
1900 err = -ENOMEM;
1901 goto failed;
1902 }
1903
3769972b
JH		 1904 if (!cp->val && test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
1905 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
1906 sizeof(cp->val), &cp->val);
1907
72ef0c1a 1908 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
ed2c4ee3
JH		 1909 if (err < 0) {
1910 mgmt_pending_remove(cmd);
1911 goto failed;
1912 }
1913
1914failed:
1915 hci_dev_unlock(hdev);
ed2c4ee3
JH		 1916 return err;
1917}
1918
bdb6d971 1919static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
6d80dfd0
JH		 1920{
1921 struct mgmt_mode *cp = data;
ee392693 1922 bool changed;
e6fe7986 1923 u8 status;
ee392693 1924 int err;
6d80dfd0 1925
bdb6d971 1926 BT_DBG("request for %s", hdev->name);
6d80dfd0 1927
e6fe7986
JH		 1928 status = mgmt_bredr_support(hdev);
1929 if (status)
1930 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
6d80dfd0 1931
9ecb3e24
MH		 1932 if (!lmp_ssp_capable(hdev))
1933 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1934 MGMT_STATUS_NOT_SUPPORTED);
1935
1936 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
1937 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1938 MGMT_STATUS_REJECTED);
1939
a7e80f25
JH		 1940 if (cp->val != 0x00 && cp->val != 0x01)
1941 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1942 MGMT_STATUS_INVALID_PARAMS);
1943
ee392693
MH		 1944 hci_dev_lock(hdev);
1945
a0cdf960 1946 if (cp->val) {
ee392693 1947 changed = !test_and_set_bit(HCI_HS_ENABLED, &hdev->dev_flags);
a0cdf960
MH		 1948 } else {
1949 if (hdev_is_powered(hdev)) {
1950 err = cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1951 MGMT_STATUS_REJECTED);
1952 goto unlock;
1953 }
1954
ee392693 1955 changed = test_and_clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
a0cdf960 1956 }
ee392693
MH		 1957
1958 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
1959 if (err < 0)
1960 goto unlock;
1961
1962 if (changed)
1963 err = new_settings(hdev, sk);
6d80dfd0 1964
ee392693
MH		 1965unlock:
1966 hci_dev_unlock(hdev);
1967 return err;
6d80dfd0
JH		 1968}
1969
416a4ae5
JH		 1970static void le_enable_complete(struct hci_dev *hdev, u8 status)
1971{
1972 struct cmd_lookup match = { NULL, hdev };
1973
1974 if (status) {
1975 u8 mgmt_err = mgmt_status(status);
1976
1977 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
1978 &mgmt_err);
1979 return;
1980 }
1981
1982 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
1983
1984 new_settings(hdev, match.sk);
1985
1986 if (match.sk)
1987 sock_put(match.sk);
441ad2d0
MH		 1988
1989 /* Make sure the controller has a good default for
1990 * advertising data. Restrict the update to when LE
1991 * has actually been enabled. During power on, the
1992 * update in powered_update_hci will take care of it.
1993 */
1994 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
1995 struct hci_request req;
1996
1997 hci_dev_lock(hdev);
1998
1999 hci_req_init(&req, hdev);
5947f4bc 2000 update_adv_data(&req);
f14d8f64 2001 update_scan_rsp_data(&req);
441ad2d0
MH		 2002 hci_req_run(&req, NULL);
2003
2004 hci_dev_unlock(hdev);
2005 }
416a4ae5
JH		 2006}
2007
bdb6d971 2008static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
06199cf8
JH		 2009{
2010 struct mgmt_mode *cp = data;
2011 struct hci_cp_write_le_host_supported hci_cp;
2012 struct pending_cmd *cmd;
416a4ae5 2013 struct hci_request req;
06199cf8 2014 int err;
0b60eba1 2015 u8 val, enabled;
06199cf8 2016
bdb6d971 2017 BT_DBG("request for %s", hdev->name);
06199cf8 2018
13ecd8b6
JH		 2019 if (!lmp_le_capable(hdev))
2020 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2021 MGMT_STATUS_NOT_SUPPORTED);
1de028ce 2022
a7e80f25
JH		 2023 if (cp->val != 0x00 && cp->val != 0x01)
2024 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2025 MGMT_STATUS_INVALID_PARAMS);
2026
c73eee91 2027 /* LE-only devices do not allow toggling LE on/off */
56f87901 2028 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
c73eee91
JH		 2029 return cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2030 MGMT_STATUS_REJECTED);
2031
13ecd8b6 2032 hci_dev_lock(hdev);
06199cf8
JH		 2033
2034 val = !!cp->val;
ffa88e02 2035 enabled = lmp_host_le_capable(hdev);
06199cf8 2036
0b60eba1 2037 if (!hdev_is_powered(hdev) || val == enabled) {
06199cf8
JH		 2038 bool changed = false;
2039
2040 if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
2041 change_bit(HCI_LE_ENABLED, &hdev->dev_flags);
2042 changed = true;
2043 }
2044
f3d3444a
JH		 2045 if (!val && test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
2046 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
eeca6f89
JH		 2047 changed = true;
2048 }
2049
06199cf8
JH		 2050 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2051 if (err < 0)
1de028ce 2052 goto unlock;
06199cf8
JH		 2053
2054 if (changed)
2055 err = new_settings(hdev, sk);
2056
1de028ce 2057 goto unlock;
06199cf8
JH		 2058 }
2059
4375f103
JH		 2060 if (mgmt_pending_find(MGMT_OP_SET_LE, hdev) ||
2061 mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
bdb6d971 2062 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
04124681 2063 MGMT_STATUS_BUSY);
1de028ce 2064 goto unlock;
06199cf8
JH		 2065 }
2066
2067 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
2068 if (!cmd) {
2069 err = -ENOMEM;
1de028ce 2070 goto unlock;
06199cf8
JH		 2071 }
2072
441ad2d0
MH		 2073 hci_req_init(&req, hdev);
2074
06199cf8
JH		 2075 memset(&hci_cp, 0, sizeof(hci_cp));
2076
2077 if (val) {
2078 hci_cp.le = val;
ffa88e02 2079 hci_cp.simul = lmp_le_br_capable(hdev);
441ad2d0
MH		 2080 } else {
2081 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
2082 disable_advertising(&req);
06199cf8
JH		 2083 }
2084
416a4ae5
JH		 2085 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
2086 &hci_cp);
2087
2088 err = hci_req_run(&req, le_enable_complete);
0c01bc48 2089 if (err < 0)
06199cf8 2090 mgmt_pending_remove(cmd);
06199cf8 2091
1de028ce
JH		 2092unlock:
2093 hci_dev_unlock(hdev);
06199cf8
JH		 2094 return err;
2095}
2096
0cab9c80
JH		 2097/* This is a helper function to test for pending mgmt commands that can
2098 * cause CoD or EIR HCI commands. We can only allow one such pending
2099 * mgmt command at a time since otherwise we cannot easily track what
2100 * the current values are, will be, and based on that calculate if a new
2101 * HCI command needs to be sent and if yes with what value.
2102 */
2103static bool pending_eir_or_class(struct hci_dev *hdev)
2104{
2105 struct pending_cmd *cmd;
2106
2107 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2108 switch (cmd->opcode) {
2109 case MGMT_OP_ADD_UUID:
2110 case MGMT_OP_REMOVE_UUID:
2111 case MGMT_OP_SET_DEV_CLASS:
2112 case MGMT_OP_SET_POWERED:
2113 return true;
2114 }
2115 }
2116
2117 return false;
2118}
2119
83be8eca
JH		 2120static const u8 bluetooth_base_uuid[] = {
2121 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
2122 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2123};
2124
2125static u8 get_uuid_size(const u8 *uuid)
2126{
2127 u32 val;
2128
2129 if (memcmp(uuid, bluetooth_base_uuid, 12))
2130 return 128;
2131
2132 val = get_unaligned_le32(&uuid[12]);
2133 if (val > 0xffff)
2134 return 32;
2135
2136 return 16;
2137}
2138
92da6097
JH		 2139static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
2140{
2141 struct pending_cmd *cmd;
2142
2143 hci_dev_lock(hdev);
2144
2145 cmd = mgmt_pending_find(mgmt_op, hdev);
2146 if (!cmd)
2147 goto unlock;
2148
2149 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
2150 hdev->dev_class, 3);
2151
2152 mgmt_pending_remove(cmd);
2153
2154unlock:
2155 hci_dev_unlock(hdev);
2156}
2157
2158static void add_uuid_complete(struct hci_dev *hdev, u8 status)
2159{
2160 BT_DBG("status 0x%02x", status);
2161
2162 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
2163}
2164
bdb6d971 2165static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2aeb9a1a 2166{
650f726d 2167 struct mgmt_cp_add_uuid *cp = data;
90e70454 2168 struct pending_cmd *cmd;
890ea898 2169 struct hci_request req;
2aeb9a1a 2170 struct bt_uuid *uuid;
2aeb9a1a
JH		 2171 int err;
2172
bdb6d971 2173 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2174
09fd0de5 2175 hci_dev_lock(hdev);
2aeb9a1a 2176
0cab9c80 2177 if (pending_eir_or_class(hdev)) {
bdb6d971 2178 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
04124681 2179 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2180 goto failed;
2181 }
2182
92c4c204 2183 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2aeb9a1a
JH		 2184 if (!uuid) {
2185 err = -ENOMEM;
2186 goto failed;
2187 }
2188
2189 memcpy(uuid->uuid, cp->uuid, 16);
1aff6f09 2190 uuid->svc_hint = cp->svc_hint;
83be8eca 2191 uuid->size = get_uuid_size(cp->uuid);
2aeb9a1a 2192
de66aa63 2193 list_add_tail(&uuid->list, &hdev->uuids);
2aeb9a1a 2194
890ea898 2195 hci_req_init(&req, hdev);
1aff6f09 2196
890ea898
JH		 2197 update_class(&req);
2198 update_eir(&req);
2199
92da6097
JH		 2200 err = hci_req_run(&req, add_uuid_complete);
2201 if (err < 0) {
2202 if (err != -ENODATA)
2203 goto failed;
80a1e1db 2204
bdb6d971 2205 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
04124681 2206 hdev->dev_class, 3);
90e70454
JH		 2207 goto failed;
2208 }
2209
2210 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
890ea898 2211 if (!cmd) {
90e70454 2212 err = -ENOMEM;
890ea898
JH		 2213 goto failed;
2214 }
2215
2216 err = 0;
2aeb9a1a
JH		 2217
2218failed:
09fd0de5 2219 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2220 return err;
2221}
2222
24b78d0f
JH		 2223static bool enable_service_cache(struct hci_dev *hdev)
2224{
2225 if (!hdev_is_powered(hdev))
2226 return false;
2227
2228 if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
46818ed5
JH		 2229 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
2230 CACHE_TIMEOUT);
24b78d0f
JH		 2231 return true;
2232 }
2233
2234 return false;
2235}
2236
92da6097
JH		 2237static void remove_uuid_complete(struct hci_dev *hdev, u8 status)
2238{
2239 BT_DBG("status 0x%02x", status);
2240
2241 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
2242}
2243
bdb6d971 2244static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2245 u16 len)
2aeb9a1a 2246{
650f726d 2247 struct mgmt_cp_remove_uuid *cp = data;
90e70454 2248 struct pending_cmd *cmd;
056341c8 2249 struct bt_uuid *match, *tmp;
2aeb9a1a 2250 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
890ea898 2251 struct hci_request req;
2aeb9a1a
JH		 2252 int err, found;
2253
bdb6d971 2254 BT_DBG("request for %s", hdev->name);
2aeb9a1a 2255
09fd0de5 2256 hci_dev_lock(hdev);
2aeb9a1a 2257
0cab9c80 2258 if (pending_eir_or_class(hdev)) {
bdb6d971 2259 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2260 MGMT_STATUS_BUSY);
c95f0ba7
JH		 2261 goto unlock;
2262 }
2263
2aeb9a1a 2264 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
35f7498a 2265 hci_uuids_clear(hdev);
4004b6d9 2266
24b78d0f 2267 if (enable_service_cache(hdev)) {
bdb6d971 2268 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2269 0, hdev->dev_class, 3);
24b78d0f
JH		 2270 goto unlock;
2271 }
4004b6d9 2272
9246a869 2273 goto update_class;
2aeb9a1a
JH		 2274 }
2275
2276 found = 0;
2277
056341c8 2278 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2aeb9a1a
JH		 2279 if (memcmp(match->uuid, cp->uuid, 16) != 0)
2280 continue;
2281
2282 list_del(&match->list);
482049f7 2283 kfree(match);
2aeb9a1a
JH		 2284 found++;
2285 }
2286
2287 if (found == 0) {
bdb6d971 2288 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
04124681 2289 MGMT_STATUS_INVALID_PARAMS);
2aeb9a1a
JH		 2290 goto unlock;
2291 }
2292
9246a869 2293update_class:
890ea898 2294 hci_req_init(&req, hdev);
1aff6f09 2295
890ea898
JH		 2296 update_class(&req);
2297 update_eir(&req);
2298
92da6097
JH		 2299 err = hci_req_run(&req, remove_uuid_complete);
2300 if (err < 0) {
2301 if (err != -ENODATA)
2302 goto unlock;
80a1e1db 2303
bdb6d971 2304 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
04124681 2305 hdev->dev_class, 3);
90e70454
JH		 2306 goto unlock;
2307 }
2308
2309 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
890ea898 2310 if (!cmd) {
90e70454 2311 err = -ENOMEM;
890ea898
JH		 2312 goto unlock;
2313 }
2314
2315 err = 0;
2aeb9a1a
JH		 2316
2317unlock:
09fd0de5 2318 hci_dev_unlock(hdev);
2aeb9a1a
JH		 2319 return err;
2320}
2321
92da6097
JH		 2322static void set_class_complete(struct hci_dev *hdev, u8 status)
2323{
2324 BT_DBG("status 0x%02x", status);
2325
2326 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
2327}
2328
bdb6d971 2329static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2330 u16 len)
1aff6f09 2331{
650f726d 2332 struct mgmt_cp_set_dev_class *cp = data;
90e70454 2333 struct pending_cmd *cmd;
890ea898 2334 struct hci_request req;
1aff6f09
JH		 2335 int err;
2336
bdb6d971 2337 BT_DBG("request for %s", hdev->name);
1aff6f09 2338
6203fc98 2339 if (!lmp_bredr_capable(hdev))
13ecd8b6
JH		 2340 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2341 MGMT_STATUS_NOT_SUPPORTED);
1aff6f09 2342
0cab9c80 2343 hci_dev_lock(hdev);
ee98f473 2344
0cab9c80
JH		 2345 if (pending_eir_or_class(hdev)) {
2346 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2347 MGMT_STATUS_BUSY);
2348 goto unlock;
2349 }
c95f0ba7 2350
0cab9c80
JH		 2351 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
2352 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2353 MGMT_STATUS_INVALID_PARAMS);
2354 goto unlock;
2355 }
575b3a02 2356
932f5ff5
JH		 2357 hdev->major_class = cp->major;
2358 hdev->minor_class = cp->minor;
2359
b5235a65 2360 if (!hdev_is_powered(hdev)) {
bdb6d971 2361 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 2362 hdev->dev_class, 3);
b5235a65
JH		 2363 goto unlock;
2364 }
2365
890ea898
JH		 2366 hci_req_init(&req, hdev);
2367
a8b2d5c2 2368 if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
7d78525d
JH		 2369 hci_dev_unlock(hdev);
2370 cancel_delayed_work_sync(&hdev->service_cache);
2371 hci_dev_lock(hdev);
890ea898 2372 update_eir(&req);
7d78525d 2373 }
14c0b608 2374
890ea898
JH		 2375 update_class(&req);
2376
92da6097
JH		 2377 err = hci_req_run(&req, set_class_complete);
2378 if (err < 0) {
2379 if (err != -ENODATA)
2380 goto unlock;
1aff6f09 2381
bdb6d971 2382 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
04124681 2383 hdev->dev_class, 3);
90e70454
JH		 2384 goto unlock;
2385 }
2386
2387 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
890ea898 2388 if (!cmd) {
90e70454 2389 err = -ENOMEM;
890ea898
JH		 2390 goto unlock;
2391 }
2392
2393 err = 0;
1aff6f09 2394
b5235a65 2395unlock:
09fd0de5 2396 hci_dev_unlock(hdev);
1aff6f09
JH		 2397 return err;
2398}
2399
bdb6d971 2400static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
8ce8e2b5 2401 u16 len)
55ed8ca1 2402{
650f726d 2403 struct mgmt_cp_load_link_keys *cp = data;
4e51eae9 2404 u16 key_count, expected_len;
b1de97d8 2405 bool changed;
a492cd52 2406 int i;
55ed8ca1 2407
9060d5cf
MH		 2408 BT_DBG("request for %s", hdev->name);
2409
2410 if (!lmp_bredr_capable(hdev))
2411 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2412 MGMT_STATUS_NOT_SUPPORTED);
2413
1f350c87 2414 key_count = __le16_to_cpu(cp->key_count);
55ed8ca1 2415
86742e1e
JH		 2416 expected_len = sizeof(*cp) + key_count *
2417 sizeof(struct mgmt_link_key_info);
a492cd52 2418 if (expected_len != len) {
86742e1e 2419 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2606ecbc 2420 expected_len, len);
bdb6d971 2421 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
04124681 2422 MGMT_STATUS_INVALID_PARAMS);
55ed8ca1
JH		 2423 }
2424
4ae14301
JH		 2425 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
2426 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2427 MGMT_STATUS_INVALID_PARAMS);
2428
bdb6d971 2429 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
8ce8e2b5 2430 key_count);
55ed8ca1 2431
4ee71b20
JH		 2432 for (i = 0; i < key_count; i++) {
2433 struct mgmt_link_key_info *key = &cp->keys[i];
2434
8e991132 2435 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
4ee71b20
JH		 2436 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2437 MGMT_STATUS_INVALID_PARAMS);
2438 }
2439
09fd0de5 2440 hci_dev_lock(hdev);
55ed8ca1
JH		 2441
2442 hci_link_keys_clear(hdev);
2443
55ed8ca1 2444 if (cp->debug_keys)
0663b297
JH		 2445 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
2446 &hdev->dev_flags);
55ed8ca1 2447 else
0663b297
JH		 2448 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
2449 &hdev->dev_flags);
b1de97d8
MH		 2450
2451 if (changed)
2452 new_settings(hdev, NULL);
55ed8ca1 2453
a492cd52 2454 for (i = 0; i < key_count; i++) {
86742e1e 2455 struct mgmt_link_key_info *key = &cp->keys[i];
55ed8ca1 2456
58e9293c
JH		 2457 /* Always ignore debug keys and require a new pairing if
2458 * the user wants to use them.
2459 */
2460 if (key->type == HCI_LK_DEBUG_COMBINATION)
2461 continue;
2462
7652ff6a
JH		 2463 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
2464 key->type, key->pin_len, NULL);
55ed8ca1
JH		 2465 }
2466
bdb6d971 2467 cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
0e5f875a 2468
09fd0de5 2469 hci_dev_unlock(hdev);
55ed8ca1 2470
a492cd52 2471 return 0;
55ed8ca1
JH		 2472}
2473
b1078ad0 2474static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 2475 u8 addr_type, struct sock *skip_sk)
b1078ad0
JH		 2476{
2477 struct mgmt_ev_device_unpaired ev;
2478
2479 bacpy(&ev.addr.bdaddr, bdaddr);
2480 ev.addr.type = addr_type;
2481
2482 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
04124681 2483 skip_sk);
b1078ad0
JH		 2484}
2485
bdb6d971 2486static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2487 u16 len)
55ed8ca1 2488{
124f6e35
JH		 2489 struct mgmt_cp_unpair_device *cp = data;
2490 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 2491 struct hci_cp_disconnect dc;
2492 struct pending_cmd *cmd;
55ed8ca1 2493 struct hci_conn *conn;
55ed8ca1
JH		 2494 int err;
2495
a8a1d19e 2496 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 2497 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2498 rp.addr.type = cp->addr.type;
a8a1d19e 2499
4ee71b20
JH		 2500 if (!bdaddr_type_is_valid(cp->addr.type))
2501 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2502 MGMT_STATUS_INVALID_PARAMS,
2503 &rp, sizeof(rp));
2504
118da70b
JH		 2505 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
2506 return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
2507 MGMT_STATUS_INVALID_PARAMS,
2508 &rp, sizeof(rp));
2509
4ee71b20
JH		 2510 hci_dev_lock(hdev);
2511
86a8cfc6 2512 if (!hdev_is_powered(hdev)) {
bdb6d971 2513 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2514 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
86a8cfc6
JH		 2515 goto unlock;
2516 }
2517
e0b2b27e 2518 if (cp->addr.type == BDADDR_BREDR) {
124f6e35 2519 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
e0b2b27e
JH		 2520 } else {
2521 u8 addr_type;
2522
2523 if (cp->addr.type == BDADDR_LE_PUBLIC)
2524 addr_type = ADDR_LE_DEV_PUBLIC;
2525 else
2526 addr_type = ADDR_LE_DEV_RANDOM;
2527
a7ec7338
JH		 2528 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
2529
a9b0a04c
AG		 2530 hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
2531
e0b2b27e
JH		 2532 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
2533 }
b0dbfb46 2534
55ed8ca1 2535 if (err < 0) {
bdb6d971 2536 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
04124681 2537 MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp));
55ed8ca1
JH		 2538 goto unlock;
2539 }
2540
86a8cfc6 2541 if (cp->disconnect) {
591f47f3 2542 if (cp->addr.type == BDADDR_BREDR)
86a8cfc6 2543 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
8ce8e2b5 2544 &cp->addr.bdaddr);
86a8cfc6
JH		 2545 else
2546 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
8ce8e2b5 2547 &cp->addr.bdaddr);
86a8cfc6
JH		 2548 } else {
2549 conn = NULL;
2550 }
124f6e35 2551
a8a1d19e 2552 if (!conn) {
bdb6d971 2553 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
04124681 2554 &rp, sizeof(rp));
b1078ad0 2555 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
a8a1d19e
JH		 2556 goto unlock;
2557 }
55ed8ca1 2558
124f6e35 2559 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
04124681 2560 sizeof(*cp));
a8a1d19e
JH		 2561 if (!cmd) {
2562 err = -ENOMEM;
2563 goto unlock;
55ed8ca1
JH		 2564 }
2565
eb55ef07 2566 dc.handle = cpu_to_le16(conn->handle);
a8a1d19e
JH		 2567 dc.reason = 0x13; /* Remote User Terminated Connection */
2568 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
2569 if (err < 0)
2570 mgmt_pending_remove(cmd);
2571
55ed8ca1 2572unlock:
09fd0de5 2573 hci_dev_unlock(hdev);
55ed8ca1
JH		 2574 return err;
2575}
2576
bdb6d971 2577static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2578 u16 len)
8962ee74 2579{
650f726d 2580 struct mgmt_cp_disconnect *cp = data;
06a63b19 2581 struct mgmt_rp_disconnect rp;
8962ee74 2582 struct hci_cp_disconnect dc;
366a0336 2583 struct pending_cmd *cmd;
8962ee74 2584 struct hci_conn *conn;
8962ee74
JH		 2585 int err;
2586
2587 BT_DBG("");
2588
06a63b19
JH		 2589 memset(&rp, 0, sizeof(rp));
2590 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2591 rp.addr.type = cp->addr.type;
2592
4ee71b20 2593 if (!bdaddr_type_is_valid(cp->addr.type))
06a63b19
JH		 2594 return cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2595 MGMT_STATUS_INVALID_PARAMS,
2596 &rp, sizeof(rp));
4ee71b20 2597
09fd0de5 2598 hci_dev_lock(hdev);
8962ee74
JH		 2599
2600 if (!test_bit(HCI_UP, &hdev->flags)) {
06a63b19
JH		 2601 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2602 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
8962ee74
JH		 2603 goto failed;
2604 }
2605
2e58ef3e 2606 if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) {
06a63b19
JH		 2607 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2608 MGMT_STATUS_BUSY, &rp, sizeof(rp));
8962ee74
JH		 2609 goto failed;
2610 }
2611
591f47f3 2612 if (cp->addr.type == BDADDR_BREDR)
8fc9ced3
GP		 2613 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
2614 &cp->addr.bdaddr);
88c3df13
JH		 2615 else
2616 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
365227e5 2617
f960727e 2618 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
06a63b19
JH		 2619 err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
2620 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
8962ee74
JH		 2621 goto failed;
2622 }
2623
2e58ef3e 2624 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
366a0336
JH		 2625 if (!cmd) {
2626 err = -ENOMEM;
8962ee74 2627 goto failed;
366a0336 2628 }
8962ee74 2629
eb55ef07 2630 dc.handle = cpu_to_le16(conn->handle);
3701f944 2631 dc.reason = HCI_ERROR_REMOTE_USER_TERM;
8962ee74
JH		 2632
2633 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
2634 if (err < 0)
a664b5bc 2635 mgmt_pending_remove(cmd);
8962ee74
JH		 2636
2637failed:
09fd0de5 2638 hci_dev_unlock(hdev);
8962ee74
JH		 2639 return err;
2640}
2641
57c1477c 2642static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
4c659c39
JH		 2643{
2644 switch (link_type) {
2645 case LE_LINK:
48264f06
JH		 2646 switch (addr_type) {
2647 case ADDR_LE_DEV_PUBLIC:
591f47f3 2648 return BDADDR_LE_PUBLIC;
0ed09148 2649
48264f06 2650 default:
0ed09148 2651 /* Fallback to LE Random address type */
591f47f3 2652 return BDADDR_LE_RANDOM;
48264f06 2653 }
0ed09148 2654
4c659c39 2655 default:
0ed09148 2656 /* Fallback to BR/EDR type */
591f47f3 2657 return BDADDR_BREDR;
4c659c39
JH		 2658 }
2659}
2660
04124681
GP		 2661static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
2662 u16 data_len)
2784eb41 2663{
2784eb41 2664 struct mgmt_rp_get_connections *rp;
8035ded4 2665 struct hci_conn *c;
a38528f1 2666 size_t rp_len;
60fc5fb6
JH		 2667 int err;
2668 u16 i;
2784eb41
JH		 2669
2670 BT_DBG("");
2671
09fd0de5 2672 hci_dev_lock(hdev);
2784eb41 2673
5f97c1df 2674 if (!hdev_is_powered(hdev)) {
bdb6d971 2675 err = cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
04124681 2676 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 2677 goto unlock;
2678 }
2679
60fc5fb6 2680 i = 0;
b644ba33
JH		 2681 list_for_each_entry(c, &hdev->conn_hash.list, list) {
2682 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
60fc5fb6 2683 i++;
2784eb41
JH		 2684 }
2685
60fc5fb6 2686 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
92c4c204 2687 rp = kmalloc(rp_len, GFP_KERNEL);
a38528f1 2688 if (!rp) {
2784eb41
JH		 2689 err = -ENOMEM;
2690 goto unlock;
2691 }
2692
2784eb41 2693 i = 0;
4c659c39 2694 list_for_each_entry(c, &hdev->conn_hash.list, list) {
b644ba33
JH		 2695 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
2696 continue;
4c659c39 2697 bacpy(&rp->addr[i].bdaddr, &c->dst);
57c1477c 2698 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
0ed09148 2699 if (c->type == SCO_LINK || c->type == ESCO_LINK)
4c659c39
JH		 2700 continue;
2701 i++;
2702 }
2703
eb55ef07 2704 rp->conn_count = cpu_to_le16(i);
60fc5fb6 2705
4c659c39
JH		 2706 /* Recalculate length in case of filtered SCO connections, etc */
2707 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
2784eb41 2708
bdb6d971 2709 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
04124681 2710 rp_len);
2784eb41 2711
a38528f1 2712 kfree(rp);
5f97c1df
JH		 2713
2714unlock:
09fd0de5 2715 hci_dev_unlock(hdev);
2784eb41
JH		 2716 return err;
2717}
2718
bdb6d971 2719static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 2720 struct mgmt_cp_pin_code_neg_reply *cp)
96d97a67
WR		 2721{
2722 struct pending_cmd *cmd;
2723 int err;
2724
2e58ef3e 2725 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
04124681 2726 sizeof(*cp));
96d97a67
WR		 2727 if (!cmd)
2728 return -ENOMEM;
2729
d8457698 2730 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
04124681 2731 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
96d97a67
WR		 2732 if (err < 0)
2733 mgmt_pending_remove(cmd);
2734
2735 return err;
2736}
2737
bdb6d971 2738static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2739 u16 len)
980e1a53 2740{
96d97a67 2741 struct hci_conn *conn;
650f726d 2742 struct mgmt_cp_pin_code_reply *cp = data;
980e1a53 2743 struct hci_cp_pin_code_reply reply;
366a0336 2744 struct pending_cmd *cmd;
980e1a53
JH		 2745 int err;
2746
2747 BT_DBG("");
2748
09fd0de5 2749 hci_dev_lock(hdev);
980e1a53 2750
4b34ee78 2751 if (!hdev_is_powered(hdev)) {
bdb6d971 2752 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2753 MGMT_STATUS_NOT_POWERED);
980e1a53
JH		 2754 goto failed;
2755 }
2756
d8457698 2757 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
96d97a67 2758 if (!conn) {
bdb6d971 2759 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2760 MGMT_STATUS_NOT_CONNECTED);
96d97a67
WR		 2761 goto failed;
2762 }
2763
2764 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
d8457698
JH		 2765 struct mgmt_cp_pin_code_neg_reply ncp;
2766
2767 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
96d97a67
WR		 2768
2769 BT_ERR("PIN code is not 16 bytes long");
2770
bdb6d971 2771 err = send_pin_code_neg_reply(sk, hdev, &ncp);
96d97a67 2772 if (err >= 0)
bdb6d971 2773 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
04124681 2774 MGMT_STATUS_INVALID_PARAMS);
96d97a67
WR		 2775
2776 goto failed;
2777 }
2778
00abfe44 2779 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
366a0336
JH		 2780 if (!cmd) {
2781 err = -ENOMEM;
980e1a53 2782 goto failed;
366a0336 2783 }
980e1a53 2784
d8457698 2785 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
980e1a53 2786 reply.pin_len = cp->pin_len;
24718ca5 2787 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
980e1a53
JH		 2788
2789 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
2790 if (err < 0)
a664b5bc 2791 mgmt_pending_remove(cmd);
980e1a53
JH		 2792
2793failed:
09fd0de5 2794 hci_dev_unlock(hdev);
980e1a53
JH		 2795 return err;
2796}
2797
04124681
GP		 2798static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
2799 u16 len)
17fa4b9d 2800{
650f726d 2801 struct mgmt_cp_set_io_capability *cp = data;
17fa4b9d
JH		 2802
2803 BT_DBG("");
2804
4ec86d4c
JH		 2805 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
2806 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
2807 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
2808
09fd0de5 2809 hci_dev_lock(hdev);
17fa4b9d
JH		 2810
2811 hdev->io_capability = cp->io_capability;
2812
2813 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
8ce8e2b5 2814 hdev->io_capability);
17fa4b9d 2815
09fd0de5 2816 hci_dev_unlock(hdev);
17fa4b9d 2817
04124681
GP		 2818 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL,
2819 0);
17fa4b9d
JH		 2820}
2821
6039aa73 2822static struct pending_cmd *find_pairing(struct hci_conn *conn)
e9a416b5
JH		 2823{
2824 struct hci_dev *hdev = conn->hdev;
8035ded4 2825 struct pending_cmd *cmd;
e9a416b5 2826
2e58ef3e 2827 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
e9a416b5
JH		 2828 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
2829 continue;
2830
e9a416b5
JH		 2831 if (cmd->user_data != conn)
2832 continue;
2833
2834 return cmd;
2835 }
2836
2837 return NULL;
2838}
2839
2840static void pairing_complete(struct pending_cmd *cmd, u8 status)
2841{
2842 struct mgmt_rp_pair_device rp;
2843 struct hci_conn *conn = cmd->user_data;
2844
61b1a7fb
JH		 2845 bacpy(&rp.addr.bdaddr, &conn->dst);
2846 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
e9a416b5 2847
aee9b218 2848 cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status,
04124681 2849 &rp, sizeof(rp));
e9a416b5
JH		 2850
2851 /* So we don't get further callbacks for this connection */
2852 conn->connect_cfm_cb = NULL;
2853 conn->security_cfm_cb = NULL;
2854 conn->disconn_cfm_cb = NULL;
2855
76a68ba0 2856 hci_conn_drop(conn);
e9a416b5 2857
a664b5bc 2858 mgmt_pending_remove(cmd);
e9a416b5
JH		 2859}
2860
f4a407be
JH		 2861void mgmt_smp_complete(struct hci_conn *conn, bool complete)
2862{
2863 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
2864 struct pending_cmd *cmd;
2865
2866 cmd = find_pairing(conn);
2867 if (cmd)
2868 pairing_complete(cmd, status);
2869}
2870
e9a416b5
JH		 2871static void pairing_complete_cb(struct hci_conn *conn, u8 status)
2872{
2873 struct pending_cmd *cmd;
2874
2875 BT_DBG("status %u", status);
2876
2877 cmd = find_pairing(conn);
56e5cb86 2878 if (!cmd)
e9a416b5 2879 BT_DBG("Unable to find a pending command");
56e5cb86 2880 else
e211326c 2881 pairing_complete(cmd, mgmt_status(status));
e9a416b5
JH		 2882}
2883
f4a407be 2884static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
4c47d739
VA		 2885{
2886 struct pending_cmd *cmd;
2887
2888 BT_DBG("status %u", status);
2889
2890 if (!status)
2891 return;
2892
2893 cmd = find_pairing(conn);
2894 if (!cmd)
2895 BT_DBG("Unable to find a pending command");
2896 else
2897 pairing_complete(cmd, mgmt_status(status));
2898}
2899
bdb6d971 2900static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 2901 u16 len)
e9a416b5 2902{
650f726d 2903 struct mgmt_cp_pair_device *cp = data;
1425acb7 2904 struct mgmt_rp_pair_device rp;
e9a416b5
JH		 2905 struct pending_cmd *cmd;
2906 u8 sec_level, auth_type;
2907 struct hci_conn *conn;
e9a416b5
JH		 2908 int err;
2909
2910 BT_DBG("");
2911
f950a30e
SJ		 2912 memset(&rp, 0, sizeof(rp));
2913 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
2914 rp.addr.type = cp->addr.type;
2915
4ee71b20
JH		 2916 if (!bdaddr_type_is_valid(cp->addr.type))
2917 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2918 MGMT_STATUS_INVALID_PARAMS,
2919 &rp, sizeof(rp));
2920
4ec86d4c
JH		 2921 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
2922 return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2923 MGMT_STATUS_INVALID_PARAMS,
2924 &rp, sizeof(rp));
2925
09fd0de5 2926 hci_dev_lock(hdev);
e9a416b5 2927
5f97c1df 2928 if (!hdev_is_powered(hdev)) {
f950a30e
SJ		 2929 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
2930 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
5f97c1df
JH		 2931 goto unlock;
2932 }
2933
c908df36 2934 sec_level = BT_SECURITY_MEDIUM;
6fd6b915 2935 auth_type = HCI_AT_DEDICATED_BONDING;
e9a416b5 2936
6f77d8c7 2937 if (cp->addr.type == BDADDR_BREDR) {
04a6c589
AG		 2938 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
2939 auth_type);
6f77d8c7
AG		 2940 } else {
2941 u8 addr_type;
2942
2943 /* Convert from L2CAP channel address type to HCI address type
2944 */
2945 if (cp->addr.type == BDADDR_LE_PUBLIC)
2946 addr_type = ADDR_LE_DEV_PUBLIC;
2947 else
2948 addr_type = ADDR_LE_DEV_RANDOM;
2949
2950 conn = hci_connect_le(hdev, &cp->addr.bdaddr, addr_type,
04a6c589 2951 sec_level, auth_type);
6f77d8c7 2952 }
7a512d01 2953
30e76272 2954 if (IS_ERR(conn)) {
489dc48e
AK		 2955 int status;
2956
2957 if (PTR_ERR(conn) == -EBUSY)
2958 status = MGMT_STATUS_BUSY;
2959 else
2960 status = MGMT_STATUS_CONNECT_FAILED;
2961
bdb6d971 2962 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
489dc48e 2963 status, &rp,
04124681 2964 sizeof(rp));
e9a416b5
JH		 2965 goto unlock;
2966 }
2967
2968 if (conn->connect_cfm_cb) {
76a68ba0 2969 hci_conn_drop(conn);
bdb6d971 2970 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
04124681 2971 MGMT_STATUS_BUSY, &rp, sizeof(rp));
e9a416b5
JH		 2972 goto unlock;
2973 }
2974
2e58ef3e 2975 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
e9a416b5
JH		 2976 if (!cmd) {
2977 err = -ENOMEM;
76a68ba0 2978 hci_conn_drop(conn);
e9a416b5
JH		 2979 goto unlock;
2980 }
2981
7a512d01 2982 /* For LE, just connecting isn't a proof that the pairing finished */
f4a407be 2983 if (cp->addr.type == BDADDR_BREDR) {
7a512d01 2984 conn->connect_cfm_cb = pairing_complete_cb;
f4a407be
JH		 2985 conn->security_cfm_cb = pairing_complete_cb;
2986 conn->disconn_cfm_cb = pairing_complete_cb;
2987 } else {
2988 conn->connect_cfm_cb = le_pairing_complete_cb;
2989 conn->security_cfm_cb = le_pairing_complete_cb;
2990 conn->disconn_cfm_cb = le_pairing_complete_cb;
2991 }
7a512d01 2992
e9a416b5
JH		 2993 conn->io_capability = cp->io_cap;
2994 cmd->user_data = conn;
2995
2996 if (conn->state == BT_CONNECTED &&
8ce8e2b5 2997 hci_conn_security(conn, sec_level, auth_type))
e9a416b5
JH		 2998 pairing_complete(cmd, 0);
2999
3000 err = 0;
3001
3002unlock:
09fd0de5 3003 hci_dev_unlock(hdev);
e9a416b5
JH		 3004 return err;
3005}
3006
04124681
GP		 3007static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3008 u16 len)
28424707 3009{
0f4e68cf 3010 struct mgmt_addr_info *addr = data;
28424707
JH		 3011 struct pending_cmd *cmd;
3012 struct hci_conn *conn;
3013 int err;
3014
3015 BT_DBG("");
3016
28424707
JH		 3017 hci_dev_lock(hdev);
3018
5f97c1df 3019 if (!hdev_is_powered(hdev)) {
bdb6d971 3020 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3021 MGMT_STATUS_NOT_POWERED);
5f97c1df
JH		 3022 goto unlock;
3023 }
3024
28424707
JH		 3025 cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev);
3026 if (!cmd) {
bdb6d971 3027 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3028 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3029 goto unlock;
3030 }
3031
3032 conn = cmd->user_data;
3033
3034 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
bdb6d971 3035 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
04124681 3036 MGMT_STATUS_INVALID_PARAMS);
28424707
JH		 3037 goto unlock;
3038 }
3039
3040 pairing_complete(cmd, MGMT_STATUS_CANCELLED);
3041
bdb6d971 3042 err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
04124681 3043 addr, sizeof(*addr));
28424707
JH		 3044unlock:
3045 hci_dev_unlock(hdev);
28424707
JH		 3046 return err;
3047}
3048
bdb6d971 3049static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1707c60e 3050 struct mgmt_addr_info *addr, u16 mgmt_op,
04124681 3051 u16 hci_op, __le32 passkey)
a5c29683 3052{
a5c29683 3053 struct pending_cmd *cmd;
0df4c185 3054 struct hci_conn *conn;
a5c29683
JH		 3055 int err;
3056
09fd0de5 3057 hci_dev_lock(hdev);
08ba5382 3058
4b34ee78 3059 if (!hdev_is_powered(hdev)) {
feb94d3d
JH		 3060 err = cmd_complete(sk, hdev->id, mgmt_op,
3061 MGMT_STATUS_NOT_POWERED, addr,
3062 sizeof(*addr));
0df4c185 3063 goto done;
a5c29683
JH		 3064 }
3065
1707c60e
JH		 3066 if (addr->type == BDADDR_BREDR)
3067 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
272d90df 3068 else
1707c60e 3069 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
272d90df
JH		 3070
3071 if (!conn) {
feb94d3d
JH		 3072 err = cmd_complete(sk, hdev->id, mgmt_op,
3073 MGMT_STATUS_NOT_CONNECTED, addr,
3074 sizeof(*addr));
272d90df
JH		 3075 goto done;
3076 }
47c15e2b 3077
1707c60e 3078 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
5fe57d9e 3079 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
5fe57d9e 3080 if (!err)
feb94d3d
JH		 3081 err = cmd_complete(sk, hdev->id, mgmt_op,
3082 MGMT_STATUS_SUCCESS, addr,
3083 sizeof(*addr));
5fe57d9e 3084 else
feb94d3d
JH		 3085 err = cmd_complete(sk, hdev->id, mgmt_op,
3086 MGMT_STATUS_FAILED, addr,
3087 sizeof(*addr));
47c15e2b 3088
47c15e2b
BG		 3089 goto done;
3090 }
3091
1707c60e 3092 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
a5c29683
JH		 3093 if (!cmd) {
3094 err = -ENOMEM;
0df4c185 3095 goto done;
a5c29683
JH		 3096 }
3097
0df4c185 3098 /* Continue with pairing via HCI */
604086b7
BG		 3099 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3100 struct hci_cp_user_passkey_reply cp;
3101
1707c60e 3102 bacpy(&cp.bdaddr, &addr->bdaddr);
604086b7
BG		 3103 cp.passkey = passkey;
3104 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3105 } else
1707c60e
JH		 3106 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3107 &addr->bdaddr);
604086b7 3108
a664b5bc
JH		 3109 if (err < 0)
3110 mgmt_pending_remove(cmd);
a5c29683 3111
0df4c185 3112done:
09fd0de5 3113 hci_dev_unlock(hdev);
a5c29683
JH		 3114 return err;
3115}
3116
afeb019d
JK		 3117static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3118 void *data, u16 len)
3119{
3120 struct mgmt_cp_pin_code_neg_reply *cp = data;
3121
3122 BT_DBG("");
3123
1707c60e 3124 return user_pairing_resp(sk, hdev, &cp->addr,
afeb019d
JK		 3125 MGMT_OP_PIN_CODE_NEG_REPLY,
3126 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3127}
3128
04124681
GP		 3129static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3130 u16 len)
0df4c185 3131{
650f726d 3132 struct mgmt_cp_user_confirm_reply *cp = data;
0df4c185
BG		 3133
3134 BT_DBG("");
3135
3136 if (len != sizeof(*cp))
bdb6d971 3137 return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
04124681 3138 MGMT_STATUS_INVALID_PARAMS);
0df4c185 3139
1707c60e 3140 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3141 MGMT_OP_USER_CONFIRM_REPLY,
3142 HCI_OP_USER_CONFIRM_REPLY, 0);
0df4c185
BG		 3143}
3144
bdb6d971 3145static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3146 void *data, u16 len)
0df4c185 3147{
c9c2659f 3148 struct mgmt_cp_user_confirm_neg_reply *cp = data;
0df4c185
BG		 3149
3150 BT_DBG("");
3151
1707c60e 3152 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3153 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3154 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
0df4c185
BG		 3155}
3156
04124681
GP		 3157static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3158 u16 len)
604086b7 3159{
650f726d 3160 struct mgmt_cp_user_passkey_reply *cp = data;
604086b7
BG		 3161
3162 BT_DBG("");
3163
1707c60e 3164 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3165 MGMT_OP_USER_PASSKEY_REPLY,
3166 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
604086b7
BG		 3167}
3168
bdb6d971 3169static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
04124681 3170 void *data, u16 len)
604086b7 3171{
650f726d 3172 struct mgmt_cp_user_passkey_neg_reply *cp = data;
604086b7
BG		 3173
3174 BT_DBG("");
3175
1707c60e 3176 return user_pairing_resp(sk, hdev, &cp->addr,
04124681
GP		 3177 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3178 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
604086b7
BG		 3179}
3180
13928971 3181static void update_name(struct hci_request *req)
2b4bf397 3182{
13928971 3183 struct hci_dev *hdev = req->hdev;
2b4bf397
JH		 3184 struct hci_cp_write_local_name cp;
3185
13928971 3186 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
2b4bf397 3187
890ea898 3188 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2b4bf397
JH		 3189}
3190
13928971
JH		 3191static void set_name_complete(struct hci_dev *hdev, u8 status)
3192{
3193 struct mgmt_cp_set_local_name *cp;
3194 struct pending_cmd *cmd;
3195
3196 BT_DBG("status 0x%02x", status);
3197
3198 hci_dev_lock(hdev);
3199
3200 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
3201 if (!cmd)
3202 goto unlock;
3203
3204 cp = cmd->param;
3205
3206 if (status)
3207 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3208 mgmt_status(status));
3209 else
3210 cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3211 cp, sizeof(*cp));
3212
3213 mgmt_pending_remove(cmd);
3214
3215unlock:
3216 hci_dev_unlock(hdev);
3217}
3218
bdb6d971 3219static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3220 u16 len)
b312b161 3221{
2b4bf397 3222 struct mgmt_cp_set_local_name *cp = data;
b312b161 3223 struct pending_cmd *cmd;
890ea898 3224 struct hci_request req;
b312b161
JH		 3225 int err;
3226
3227 BT_DBG("");
3228
09fd0de5 3229 hci_dev_lock(hdev);
b312b161 3230
b3f2ca94
JH		 3231 /* If the old values are the same as the new ones just return a
3232 * direct command complete event.
3233 */
3234 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3235 !memcmp(hdev->short_name, cp->short_name,
3236 sizeof(hdev->short_name))) {
3237 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3238 data, len);
3239 goto failed;
3240 }
3241
2b4bf397 3242 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
28cc7bde 3243
b5235a65 3244 if (!hdev_is_powered(hdev)) {
2b4bf397 3245 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
28cc7bde
JH		 3246
3247 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
04124681 3248 data, len);
28cc7bde
JH		 3249 if (err < 0)
3250 goto failed;
3251
3252 err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len,
04124681 3253 sk);
28cc7bde 3254
b5235a65
JH		 3255 goto failed;
3256 }
3257
28cc7bde 3258 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
b312b161
JH		 3259 if (!cmd) {
3260 err = -ENOMEM;
3261 goto failed;
3262 }
3263
13928971
JH		 3264 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3265
890ea898 3266 hci_req_init(&req, hdev);
3f985050
JH		 3267
3268 if (lmp_bredr_capable(hdev)) {
3269 update_name(&req);
3270 update_eir(&req);
3271 }
3272
7a5f4990
MH		 3273 /* The name is stored in the scan response data and so
3274 * no need to udpate the advertising data here.
3275 */
3f985050 3276 if (lmp_le_capable(hdev))
7a5f4990 3277 update_scan_rsp_data(&req);
3f985050 3278
13928971 3279 err = hci_req_run(&req, set_name_complete);
b312b161
JH		 3280 if (err < 0)
3281 mgmt_pending_remove(cmd);
3282
3283failed:
09fd0de5 3284 hci_dev_unlock(hdev);
b312b161
JH		 3285 return err;
3286}
3287
0f4e68cf 3288static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3289 void *data, u16 data_len)
c35938b2 3290{
c35938b2
SJ		 3291 struct pending_cmd *cmd;
3292 int err;
3293
bdb6d971 3294 BT_DBG("%s", hdev->name);
c35938b2 3295
09fd0de5 3296 hci_dev_lock(hdev);
c35938b2 3297
4b34ee78 3298 if (!hdev_is_powered(hdev)) {
bdb6d971 3299 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3300 MGMT_STATUS_NOT_POWERED);
c35938b2
SJ		 3301 goto unlock;
3302 }
3303
9a1a1996 3304 if (!lmp_ssp_capable(hdev)) {
bdb6d971 3305 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3306 MGMT_STATUS_NOT_SUPPORTED);
c35938b2
SJ		 3307 goto unlock;
3308 }
3309
2e58ef3e 3310 if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
bdb6d971 3311 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
04124681 3312 MGMT_STATUS_BUSY);
c35938b2
SJ		 3313 goto unlock;
3314 }
3315
2e58ef3e 3316 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
c35938b2
SJ		 3317 if (!cmd) {
3318 err = -ENOMEM;
3319 goto unlock;
3320 }
3321
4d2d2796
MH		 3322 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags))
3323 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_EXT_DATA,
3324 0, NULL);
3325 else
3326 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
3327
c35938b2
SJ		 3328 if (err < 0)
3329 mgmt_pending_remove(cmd);
3330
3331unlock:
09fd0de5 3332 hci_dev_unlock(hdev);
c35938b2
SJ		 3333 return err;
3334}
3335
bdb6d971 3336static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
04124681 3337 void *data, u16 len)
2763eda6 3338{
2763eda6
SJ		 3339 int err;
3340
bdb6d971 3341 BT_DBG("%s ", hdev->name);
2763eda6 3342
09fd0de5 3343 hci_dev_lock(hdev);
2763eda6 3344
ec109113
MH		 3345 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
3346 struct mgmt_cp_add_remote_oob_data *cp = data;
3347 u8 status;
bf1e3541 3348
ec109113
MH		 3349 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
3350 cp->hash, cp->randomizer);
3351 if (err < 0)
3352 status = MGMT_STATUS_FAILED;
3353 else
3354 status = MGMT_STATUS_SUCCESS;
3355
3356 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3357 status, &cp->addr, sizeof(cp->addr));
3358 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
3359 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
3360 u8 status;
3361
3362 err = hci_add_remote_oob_ext_data(hdev, &cp->addr.bdaddr,
3363 cp->hash192,
3364 cp->randomizer192,
3365 cp->hash256,
3366 cp->randomizer256);
3367 if (err < 0)
3368 status = MGMT_STATUS_FAILED;
3369 else
3370 status = MGMT_STATUS_SUCCESS;
3371
3372 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3373 status, &cp->addr, sizeof(cp->addr));
3374 } else {
3375 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
3376 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
3377 MGMT_STATUS_INVALID_PARAMS);
3378 }
2763eda6 3379
09fd0de5 3380 hci_dev_unlock(hdev);
2763eda6
SJ		 3381 return err;
3382}
3383
bdb6d971 3384static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
8ce8e2b5 3385 void *data, u16 len)
2763eda6 3386{
650f726d 3387 struct mgmt_cp_remove_remote_oob_data *cp = data;
bf1e3541 3388 u8 status;
2763eda6
SJ		 3389 int err;
3390
bdb6d971 3391 BT_DBG("%s", hdev->name);
2763eda6 3392
09fd0de5 3393 hci_dev_lock(hdev);
2763eda6 3394
664ce4cc 3395 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr);
2763eda6 3396 if (err < 0)
bf1e3541 3397 status = MGMT_STATUS_INVALID_PARAMS;
2763eda6 3398 else
a6785be2 3399 status = MGMT_STATUS_SUCCESS;
bf1e3541 3400
bdb6d971 3401 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
04124681 3402 status, &cp->addr, sizeof(cp->addr));
2763eda6 3403
09fd0de5 3404 hci_dev_unlock(hdev);
2763eda6
SJ		 3405 return err;
3406}
3407
41dc2bd6
AG		 3408static int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status)
3409{
3410 struct pending_cmd *cmd;
3411 u8 type;
3412 int err;
3413
3414 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3415
3416 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
3417 if (!cmd)
3418 return -ENOENT;
3419
3420 type = hdev->discovery.type;
3421
3422 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3423 &type, sizeof(type));
3424 mgmt_pending_remove(cmd);
3425
3426 return err;
3427}
3428
7c307720
AG		 3429static void start_discovery_complete(struct hci_dev *hdev, u8 status)
3430{
ae55f598
LR		 3431 unsigned long timeout = 0;
3432
7c307720
AG		 3433 BT_DBG("status %d", status);
3434
3435 if (status) {
3436 hci_dev_lock(hdev);
3437 mgmt_start_discovery_failed(hdev, status);
3438 hci_dev_unlock(hdev);
3439 return;
3440 }
3441
3442 hci_dev_lock(hdev);
3443 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
3444 hci_dev_unlock(hdev);
3445
3446 switch (hdev->discovery.type) {
3447 case DISCOV_TYPE_LE:
3d5a76f0 3448 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
7c307720
AG		 3449 break;
3450
3451 case DISCOV_TYPE_INTERLEAVED:
b9a7a61e 3452 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
7c307720
AG		 3453 break;
3454
3455 case DISCOV_TYPE_BREDR:
3456 break;
3457
3458 default:
3459 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
3460 }
ae55f598
LR		 3461
3462 if (!timeout)
3463 return;
3464
3465 queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable, timeout);
7c307720
AG		 3466}
3467
bdb6d971 3468static int start_discovery(struct sock *sk, struct hci_dev *hdev,
04124681 3469 void *data, u16 len)
14a53664 3470{
650f726d 3471 struct mgmt_cp_start_discovery *cp = data;
14a53664 3472 struct pending_cmd *cmd;
7c307720
AG		 3473 struct hci_cp_le_set_scan_param param_cp;
3474 struct hci_cp_le_set_scan_enable enable_cp;
3475 struct hci_cp_inquiry inq_cp;
3476 struct hci_request req;
3477 /* General inquiry access code (GIAC) */
3478 u8 lap[3] = { 0x33, 0x8b, 0x9e };
d9483943 3479 u8 status, own_addr_type;
14a53664
JH		 3480 int err;
3481
bdb6d971 3482 BT_DBG("%s", hdev->name);
14a53664 3483
09fd0de5 3484 hci_dev_lock(hdev);
14a53664 3485
4b34ee78 3486 if (!hdev_is_powered(hdev)) {
bdb6d971 3487 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
04124681 3488 MGMT_STATUS_NOT_POWERED);
bd2d1334
JH		 3489 goto failed;
3490 }
3491
642be6c7
AG		 3492 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) {
3493 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3494 MGMT_STATUS_BUSY);
3495 goto failed;
3496 }
3497
ff9ef578 3498 if (hdev->discovery.state != DISCOVERY_STOPPED) {
bdb6d971 3499 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
04124681 3500 MGMT_STATUS_BUSY);
ff9ef578
JH		 3501 goto failed;
3502 }
3503
2e58ef3e 3504 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3505 if (!cmd) {
3506 err = -ENOMEM;
3507 goto failed;
3508 }
3509
4aab14e5
AG		 3510 hdev->discovery.type = cp->type;
3511
7c307720
AG		 3512 hci_req_init(&req, hdev);
3513
4aab14e5 3514 switch (hdev->discovery.type) {
f39799f5 3515 case DISCOV_TYPE_BREDR:
e6fe7986
JH		 3516 status = mgmt_bredr_support(hdev);
3517 if (status) {
04106755 3518 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
e6fe7986 3519 status);
04106755
JH		 3520 mgmt_pending_remove(cmd);
3521 goto failed;
3522 }
3523
7c307720
AG		 3524 if (test_bit(HCI_INQUIRY, &hdev->flags)) {
3525 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3526 MGMT_STATUS_BUSY);
3527 mgmt_pending_remove(cmd);
3528 goto failed;
3529 }
3530
3531 hci_inquiry_cache_flush(hdev);
3532
3533 memset(&inq_cp, 0, sizeof(inq_cp));
3534 memcpy(&inq_cp.lap, lap, sizeof(inq_cp.lap));
0d8cc935 3535 inq_cp.length = DISCOV_BREDR_INQUIRY_LEN;
7c307720 3536 hci_req_add(&req, HCI_OP_INQUIRY, sizeof(inq_cp), &inq_cp);
f39799f5
AG		 3537 break;
3538
3539 case DISCOV_TYPE_LE:
7c307720 3540 case DISCOV_TYPE_INTERLEAVED:
e6fe7986
JH		 3541 status = mgmt_le_support(hdev);
3542 if (status) {
04106755 3543 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
e6fe7986 3544 status);
04106755
JH		 3545 mgmt_pending_remove(cmd);
3546 goto failed;
3547 }
3548
7c307720 3549 if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
56f87901 3550 !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
04106755
JH		 3551 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3552 MGMT_STATUS_NOT_SUPPORTED);
3553 mgmt_pending_remove(cmd);
3554 goto failed;
3555 }
3556
f3d3444a 3557 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
7c307720
AG		 3558 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3559 MGMT_STATUS_REJECTED);
3560 mgmt_pending_remove(cmd);
3561 goto failed;
3562 }
3563
c54c3860
AG		 3564 /* If controller is scanning, it means the background scanning
3565 * is running. Thus, we should temporarily stop it in order to
3566 * set the discovery scanning parameters.
3567 */
3568 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags))
3569 hci_req_add_le_scan_disable(&req);
7c307720
AG		 3570
3571 memset(&param_cp, 0, sizeof(param_cp));
d9483943 3572
94b1fc92
MH		 3573 /* All active scans will be done with either a resolvable
3574 * private address (when privacy feature has been enabled)
3575 * or unresolvable private address.
3576 */
3577 err = hci_update_random_address(&req, true, &own_addr_type);
d9483943
JH		 3578 if (err < 0) {
3579 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3580 MGMT_STATUS_FAILED);
3581 mgmt_pending_remove(cmd);
3582 goto failed;
3583 }
3584
7c307720 3585 param_cp.type = LE_SCAN_ACTIVE;
0d8cc935
AG		 3586 param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT);
3587 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
d9483943 3588 param_cp.own_address_type = own_addr_type;
7c307720
AG		 3589 hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
3590 &param_cp);
3591
3592 memset(&enable_cp, 0, sizeof(enable_cp));
3593 enable_cp.enable = LE_SCAN_ENABLE;
3594 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
3595 hci_req_add(&req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
3596 &enable_cp);
5e0452c0
AG		 3597 break;
3598
f39799f5 3599 default:
04106755
JH		 3600 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
3601 MGMT_STATUS_INVALID_PARAMS);
3602 mgmt_pending_remove(cmd);
3603 goto failed;
f39799f5 3604 }
3fd24153 3605
7c307720 3606 err = hci_req_run(&req, start_discovery_complete);
14a53664
JH		 3607 if (err < 0)
3608 mgmt_pending_remove(cmd);
ff9ef578
JH		 3609 else
3610 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
14a53664
JH		 3611
3612failed:
09fd0de5 3613 hci_dev_unlock(hdev);
14a53664
JH		 3614 return err;
3615}
3616
1183fdca
AG		 3617static int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status)
3618{
3619 struct pending_cmd *cmd;
3620 int err;
3621
3622 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
3623 if (!cmd)
3624 return -ENOENT;
3625
3626 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3627 &hdev->discovery.type, sizeof(hdev->discovery.type));
3628 mgmt_pending_remove(cmd);
3629
3630 return err;
3631}
3632
0e05bba6
AG		 3633static void stop_discovery_complete(struct hci_dev *hdev, u8 status)
3634{
3635 BT_DBG("status %d", status);
3636
3637 hci_dev_lock(hdev);
3638
3639 if (status) {
3640 mgmt_stop_discovery_failed(hdev, status);
3641 goto unlock;
3642 }
3643
3644 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3645
3646unlock:
3647 hci_dev_unlock(hdev);
3648}
3649
bdb6d971 3650static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3651 u16 len)
14a53664 3652{
d930650b 3653 struct mgmt_cp_stop_discovery *mgmt_cp = data;
14a53664 3654 struct pending_cmd *cmd;
0e05bba6 3655 struct hci_request req;
14a53664
JH		 3656 int err;
3657
bdb6d971 3658 BT_DBG("%s", hdev->name);
14a53664 3659
09fd0de5 3660 hci_dev_lock(hdev);
14a53664 3661
30dc78e1 3662 if (!hci_discovery_active(hdev)) {
bdb6d971 3663 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3664 MGMT_STATUS_REJECTED, &mgmt_cp->type,
3665 sizeof(mgmt_cp->type));
d930650b
JH		 3666 goto unlock;
3667 }
3668
3669 if (hdev->discovery.type != mgmt_cp->type) {
bdb6d971 3670 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
04124681
GP		 3671 MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type,
3672 sizeof(mgmt_cp->type));
30dc78e1 3673 goto unlock;
ff9ef578
JH		 3674 }
3675
2e58ef3e 3676 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0);
14a53664
JH		 3677 if (!cmd) {
3678 err = -ENOMEM;
30dc78e1
JH		 3679 goto unlock;
3680 }
3681
0e05bba6
AG		 3682 hci_req_init(&req, hdev);
3683
21a60d30 3684 hci_stop_discovery(&req);
e0d9727e 3685
21a60d30
JH		 3686 err = hci_req_run(&req, stop_discovery_complete);
3687 if (!err) {
3688 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
0e05bba6 3689 goto unlock;
14a53664
JH		 3690 }
3691
21a60d30
JH		 3692 mgmt_pending_remove(cmd);
3693
3694 /* If no HCI commands were sent we're done */
3695 if (err == -ENODATA) {
3696 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
3697 &mgmt_cp->type, sizeof(mgmt_cp->type));
3698 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3699 }
14a53664 3700
30dc78e1 3701unlock:
09fd0de5 3702 hci_dev_unlock(hdev);
14a53664
JH		 3703 return err;
3704}
3705
bdb6d971 3706static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3707 u16 len)
561aafbc 3708{
650f726d 3709 struct mgmt_cp_confirm_name *cp = data;
561aafbc 3710 struct inquiry_entry *e;
561aafbc
JH		 3711 int err;
3712
bdb6d971 3713 BT_DBG("%s", hdev->name);
561aafbc 3714
561aafbc
JH		 3715 hci_dev_lock(hdev);
3716
30dc78e1 3717 if (!hci_discovery_active(hdev)) {
d3a2541d
LR		 3718 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3719 MGMT_STATUS_FAILED, &cp->addr,
3720 sizeof(cp->addr));
30dc78e1
JH		 3721 goto failed;
3722 }
3723
a198e7b1 3724 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
561aafbc 3725 if (!e) {
d3a2541d
LR		 3726 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
3727 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
3728 sizeof(cp->addr));
561aafbc
JH		 3729 goto failed;
3730 }
3731
3732 if (cp->name_known) {
3733 e->name_state = NAME_KNOWN;
3734 list_del(&e->list);
3735 } else {
3736 e->name_state = NAME_NEEDED;
a3d4e20a 3737 hci_inquiry_cache_update_resolve(hdev, e);
561aafbc
JH		 3738 }
3739
e384662b
JH		 3740 err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, &cp->addr,
3741 sizeof(cp->addr));
561aafbc
JH		 3742
3743failed:
3744 hci_dev_unlock(hdev);
561aafbc
JH		 3745 return err;
3746}
3747
bdb6d971 3748static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3749 u16 len)
7fbec224 3750{
650f726d 3751 struct mgmt_cp_block_device *cp = data;
f0eeea8b 3752 u8 status;
7fbec224
AJ		 3753 int err;
3754
bdb6d971 3755 BT_DBG("%s", hdev->name);
7fbec224 3756
4ee71b20 3757 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 3758 return cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
3759 MGMT_STATUS_INVALID_PARAMS,
3760 &cp->addr, sizeof(cp->addr));
4ee71b20 3761
09fd0de5 3762 hci_dev_lock(hdev);
5e762444 3763
88c1fe4b 3764 err = hci_blacklist_add(hdev, &cp->addr.bdaddr, cp->addr.type);
7fbec224 3765 if (err < 0)
f0eeea8b 3766 status = MGMT_STATUS_FAILED;
7fbec224 3767 else
a6785be2 3768 status = MGMT_STATUS_SUCCESS;
f0eeea8b 3769
bdb6d971 3770 err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
04124681 3771 &cp->addr, sizeof(cp->addr));
5e762444 3772
09fd0de5 3773 hci_dev_unlock(hdev);
7fbec224
AJ		 3774
3775 return err;
3776}
3777
bdb6d971 3778static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
04124681 3779 u16 len)
7fbec224 3780{
650f726d 3781 struct mgmt_cp_unblock_device *cp = data;
f0eeea8b 3782 u8 status;
7fbec224
AJ		 3783 int err;
3784
bdb6d971 3785 BT_DBG("%s", hdev->name);
7fbec224 3786
4ee71b20 3787 if (!bdaddr_type_is_valid(cp->addr.type))
5d0846d4
JH		 3788 return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
3789 MGMT_STATUS_INVALID_PARAMS,
3790 &cp->addr, sizeof(cp->addr));
4ee71b20 3791
09fd0de5 3792 hci_dev_lock(hdev);
5e762444 3793
88c1fe4b 3794 err = hci_blacklist_del(hdev, &cp->addr.bdaddr, cp->addr.type);
7fbec224 3795 if (err < 0)
f0eeea8b 3796 status = MGMT_STATUS_INVALID_PARAMS;
7fbec224 3797 else
a6785be2 3798 status = MGMT_STATUS_SUCCESS;
f0eeea8b 3799
bdb6d971 3800 err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
04124681 3801 &cp->addr, sizeof(cp->addr));
5e762444 3802
09fd0de5 3803 hci_dev_unlock(hdev);
7fbec224
AJ		 3804
3805 return err;
3806}
3807
cdbaccca
MH		 3808static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
3809 u16 len)
3810{
3811 struct mgmt_cp_set_device_id *cp = data;
890ea898 3812 struct hci_request req;
cdbaccca 3813 int err;
c72d4b8a 3814 __u16 source;
cdbaccca
MH		 3815
3816 BT_DBG("%s", hdev->name);
3817
c72d4b8a
SJ		 3818 source = __le16_to_cpu(cp->source);
3819
3820 if (source > 0x0002)
3821 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
3822 MGMT_STATUS_INVALID_PARAMS);
3823
cdbaccca
MH		 3824 hci_dev_lock(hdev);
3825
c72d4b8a 3826 hdev->devid_source = source;
cdbaccca
MH		 3827 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
3828 hdev->devid_product = __le16_to_cpu(cp->product);
3829 hdev->devid_version = __le16_to_cpu(cp->version);
3830
3831 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
3832
890ea898
JH		 3833 hci_req_init(&req, hdev);
3834 update_eir(&req);
3835 hci_req_run(&req, NULL);
cdbaccca
MH		 3836
3837 hci_dev_unlock(hdev);
3838
3839 return err;
3840}
3841
4375f103
JH		 3842static void set_advertising_complete(struct hci_dev *hdev, u8 status)
3843{
3844 struct cmd_lookup match = { NULL, hdev };
3845
3846 if (status) {
3847 u8 mgmt_err = mgmt_status(status);
3848
3849 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
3850 cmd_status_rsp, &mgmt_err);
3851 return;
3852 }
3853
3854 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
3855 &match);
3856
3857 new_settings(hdev, match.sk);
3858
3859 if (match.sk)
3860 sock_put(match.sk);
3861}
3862
21b5187f
MH		 3863static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
3864 u16 len)
4375f103
JH		 3865{
3866 struct mgmt_mode *cp = data;
3867 struct pending_cmd *cmd;
3868 struct hci_request req;
e6fe7986 3869 u8 val, enabled, status;
4375f103
JH		 3870 int err;
3871
3872 BT_DBG("request for %s", hdev->name);
3873
e6fe7986
JH		 3874 status = mgmt_le_support(hdev);
3875 if (status)
4375f103 3876 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
e6fe7986 3877 status);
4375f103
JH		 3878
3879 if (cp->val != 0x00 && cp->val != 0x01)
3880 return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
3881 MGMT_STATUS_INVALID_PARAMS);
3882
3883 hci_dev_lock(hdev);
3884
3885 val = !!cp->val;
f3d3444a 3886 enabled = test_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103 3887
f74ca9b8
JH		 3888 /* The following conditions are ones which mean that we should
3889 * not do any HCI communication but directly send a mgmt
3890 * response to user space (after toggling the flag if
3891 * necessary).
3892 */
3893 if (!hdev_is_powered(hdev) || val == enabled ||
b145edcd 3894 hci_conn_num(hdev, LE_LINK) > 0) {
4375f103
JH		 3895 bool changed = false;
3896
f3d3444a
JH		 3897 if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) {
3898 change_bit(HCI_ADVERTISING, &hdev->dev_flags);
4375f103
JH		 3899 changed = true;
3900 }
3901
3902 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
3903 if (err < 0)
3904 goto unlock;
3905
3906 if (changed)
3907 err = new_settings(hdev, sk);
3908
3909 goto unlock;
3910 }
3911
3912 if (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
3913 mgmt_pending_find(MGMT_OP_SET_LE, hdev)) {
3914 err = cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
3915 MGMT_STATUS_BUSY);
3916 goto unlock;
3917 }
3918
3919 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
3920 if (!cmd) {
3921 err = -ENOMEM;
3922 goto unlock;
3923 }
3924
3925 hci_req_init(&req, hdev);
3926
bba3aa55
MH		 3927 if (val)
3928 enable_advertising(&req);
3929 else
3930 disable_advertising(&req);
4375f103
JH		 3931
3932 err = hci_req_run(&req, set_advertising_complete);
3933 if (err < 0)
3934 mgmt_pending_remove(cmd);
3935
3936unlock:
3937 hci_dev_unlock(hdev);
3938 return err;
3939}
3940
d13eafce
MH		 3941static int set_static_address(struct sock *sk, struct hci_dev *hdev,
3942 void *data, u16 len)
3943{
3944 struct mgmt_cp_set_static_address *cp = data;
3945 int err;
3946
3947 BT_DBG("%s", hdev->name);
3948
62af4443 3949 if (!lmp_le_capable(hdev))
d13eafce 3950 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
62af4443 3951 MGMT_STATUS_NOT_SUPPORTED);
d13eafce
MH		 3952
3953 if (hdev_is_powered(hdev))
3954 return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
3955 MGMT_STATUS_REJECTED);
3956
3957 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
3958 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
3959 return cmd_status(sk, hdev->id,
3960 MGMT_OP_SET_STATIC_ADDRESS,
3961 MGMT_STATUS_INVALID_PARAMS);
3962
3963 /* Two most significant bits shall be set */
3964 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
3965 return cmd_status(sk, hdev->id,
3966 MGMT_OP_SET_STATIC_ADDRESS,
3967 MGMT_STATUS_INVALID_PARAMS);
3968 }
3969
3970 hci_dev_lock(hdev);
3971
3972 bacpy(&hdev->static_addr, &cp->bdaddr);
3973
3974 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, 0, NULL, 0);
3975
3976 hci_dev_unlock(hdev);
3977
3978 return err;
3979}
3980
14b49b9a
MH		 3981static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
3982 void *data, u16 len)
3983{
3984 struct mgmt_cp_set_scan_params *cp = data;
3985 __u16 interval, window;
3986 int err;
3987
3988 BT_DBG("%s", hdev->name);
3989
3990 if (!lmp_le_capable(hdev))
3991 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
3992 MGMT_STATUS_NOT_SUPPORTED);
3993
3994 interval = __le16_to_cpu(cp->interval);
3995
3996 if (interval < 0x0004 || interval > 0x4000)
3997 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
3998 MGMT_STATUS_INVALID_PARAMS);
3999
4000 window = __le16_to_cpu(cp->window);
4001
4002 if (window < 0x0004 || window > 0x4000)
4003 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4004 MGMT_STATUS_INVALID_PARAMS);
4005
899e1075
MH		 4006 if (window > interval)
4007 return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
4008 MGMT_STATUS_INVALID_PARAMS);
4009
14b49b9a
MH		 4010 hci_dev_lock(hdev);
4011
4012 hdev->le_scan_interval = interval;
4013 hdev->le_scan_window = window;
4014
4015 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0);
4016
dd2ef8e2
AG		 4017 /* If background scan is running, restart it so new parameters are
4018 * loaded.
4019 */
4020 if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
4021 hdev->discovery.state == DISCOVERY_STOPPED) {
4022 struct hci_request req;
4023
4024 hci_req_init(&req, hdev);
4025
4026 hci_req_add_le_scan_disable(&req);
4027 hci_req_add_le_passive_scan(&req);
4028
4029 hci_req_run(&req, NULL);
4030 }
4031
14b49b9a
MH		 4032 hci_dev_unlock(hdev);
4033
4034 return err;
4035}
4036
33e38b3e
JH		 4037static void fast_connectable_complete(struct hci_dev *hdev, u8 status)
4038{
4039 struct pending_cmd *cmd;
4040
4041 BT_DBG("status 0x%02x", status);
4042
4043 hci_dev_lock(hdev);
4044
4045 cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4046 if (!cmd)
4047 goto unlock;
4048
4049 if (status) {
4050 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4051 mgmt_status(status));
4052 } else {
1a4d3c4b
JH		 4053 struct mgmt_mode *cp = cmd->param;
4054
4055 if (cp->val)
4056 set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4057 else
4058 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4059
33e38b3e
JH		 4060 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
4061 new_settings(hdev, cmd->sk);
4062 }
4063
4064 mgmt_pending_remove(cmd);
4065
4066unlock:
4067 hci_dev_unlock(hdev);
4068}
4069
bdb6d971 4070static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
04124681 4071 void *data, u16 len)
f6422ec6 4072{
650f726d 4073 struct mgmt_mode *cp = data;
33e38b3e
JH		 4074 struct pending_cmd *cmd;
4075 struct hci_request req;
f6422ec6
AJ		 4076 int err;
4077
bdb6d971 4078 BT_DBG("%s", hdev->name);
f6422ec6 4079
56f87901
JH		 4080 if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) ||
4081 hdev->hci_ver < BLUETOOTH_VER_1_2)
33c525c0
JH		 4082 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4083 MGMT_STATUS_NOT_SUPPORTED);
4084
a7e80f25
JH		 4085 if (cp->val != 0x00 && cp->val != 0x01)
4086 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4087 MGMT_STATUS_INVALID_PARAMS);
4088
5400c044 4089 if (!hdev_is_powered(hdev))
bdb6d971 4090 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4091 MGMT_STATUS_NOT_POWERED);
5400c044
JH		 4092
4093 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
bdb6d971 4094 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4095 MGMT_STATUS_REJECTED);
f6422ec6
AJ		 4096
4097 hci_dev_lock(hdev);
4098
05cbf29f
JH		 4099 if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
4100 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
4101 MGMT_STATUS_BUSY);
4102 goto unlock;
4103 }
4104
1a4d3c4b
JH		 4105 if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) {
4106 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
4107 hdev);
4108 goto unlock;
4109 }
4110
33e38b3e
JH		 4111 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
4112 data, len);
4113 if (!cmd) {
4114 err = -ENOMEM;
4115 goto unlock;
f6422ec6
AJ		 4116 }
4117
33e38b3e
JH		 4118 hci_req_init(&req, hdev);
4119
406d7804 4120 write_fast_connectable(&req, cp->val);
33e38b3e
JH		 4121
4122 err = hci_req_run(&req, fast_connectable_complete);
f6422ec6 4123 if (err < 0) {
bdb6d971 4124 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
04124681 4125 MGMT_STATUS_FAILED);
33e38b3e 4126 mgmt_pending_remove(cmd);
f6422ec6
AJ		 4127 }
4128
33e38b3e 4129unlock:
f6422ec6 4130 hci_dev_unlock(hdev);
33e38b3e 4131
f6422ec6
AJ		 4132 return err;
4133}
4134
67e5a7a3
JH		 4135static void set_bredr_scan(struct hci_request *req)
4136{
4137 struct hci_dev *hdev = req->hdev;
4138 u8 scan = 0;
4139
4140 /* Ensure that fast connectable is disabled. This function will
4141 * not do anything if the page scan parameters are already what
4142 * they should be.
4143 */
4144 write_fast_connectable(req, false);
4145
4146 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
4147 scan |= SCAN_PAGE;
4148 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
4149 scan |= SCAN_INQUIRY;
4150
4151 if (scan)
4152 hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
4153}
4154
0663ca2a
JH		 4155static void set_bredr_complete(struct hci_dev *hdev, u8 status)
4156{
4157 struct pending_cmd *cmd;
4158
4159 BT_DBG("status 0x%02x", status);
4160
4161 hci_dev_lock(hdev);
4162
4163 cmd = mgmt_pending_find(MGMT_OP_SET_BREDR, hdev);
4164 if (!cmd)
4165 goto unlock;
4166
4167 if (status) {
4168 u8 mgmt_err = mgmt_status(status);
4169
4170 /* We need to restore the flag if related HCI commands
4171 * failed.
4172 */
4173 clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4174
4175 cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
4176 } else {
4177 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
4178 new_settings(hdev, cmd->sk);
4179 }
4180
4181 mgmt_pending_remove(cmd);
4182
4183unlock:
4184 hci_dev_unlock(hdev);
4185}
4186
4187static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
4188{
4189 struct mgmt_mode *cp = data;
4190 struct pending_cmd *cmd;
4191 struct hci_request req;
4192 int err;
4193
4194 BT_DBG("request for %s", hdev->name);
4195
4196 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
4197 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4198 MGMT_STATUS_NOT_SUPPORTED);
4199
4200 if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
4201 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4202 MGMT_STATUS_REJECTED);
4203
4204 if (cp->val != 0x00 && cp->val != 0x01)
4205 return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4206 MGMT_STATUS_INVALID_PARAMS);
4207
4208 hci_dev_lock(hdev);
4209
4210 if (cp->val == test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
4211 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4212 goto unlock;
4213 }
4214
4215 if (!hdev_is_powered(hdev)) {
4216 if (!cp->val) {
0663ca2a
JH		 4217 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
4218 clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
4219 clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
4220 clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
4221 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
4222 }
4223
4224 change_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4225
4226 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
4227 if (err < 0)
4228 goto unlock;
4229
4230 err = new_settings(hdev, sk);
4231 goto unlock;
4232 }
4233
4234 /* Reject disabling when powered on */
4235 if (!cp->val) {
4236 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4237 MGMT_STATUS_REJECTED);
4238 goto unlock;
4239 }
4240
4241 if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) {
4242 err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
4243 MGMT_STATUS_BUSY);
4244 goto unlock;
4245 }
4246
4247 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
4248 if (!cmd) {
4249 err = -ENOMEM;
4250 goto unlock;
4251 }
4252
5947f4bc 4253 /* We need to flip the bit already here so that update_adv_data
0663ca2a
JH		 4254 * generates the correct flags.
4255 */
4256 set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags);
4257
4258 hci_req_init(&req, hdev);
aa8af46e
JH		 4259
4260 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
4261 set_bredr_scan(&req);
4262
f14d8f64
MH		 4263 /* Since only the advertising data flags will change, there
4264 * is no need to update the scan response data.
4265 */
5947f4bc 4266 update_adv_data(&req);
aa8af46e 4267
0663ca2a
JH		 4268 err = hci_req_run(&req, set_bredr_complete);
4269 if (err < 0)
4270 mgmt_pending_remove(cmd);
4271
4272unlock:
4273 hci_dev_unlock(hdev);
4274 return err;
4275}
4276
eac83dc6
MH		 4277static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
4278 void *data, u16 len)
4279{
4280 struct mgmt_mode *cp = data;
4281 struct pending_cmd *cmd;
0ab04a9c 4282 u8 val, status;
eac83dc6
MH		 4283 int err;
4284
4285 BT_DBG("request for %s", hdev->name);
4286
4287 status = mgmt_bredr_support(hdev);
4288 if (status)
4289 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4290 status);
4291
5afeac14 4292 if (!lmp_sc_capable(hdev) &&
111902f7 4293 !test_bit(HCI_FORCE_SC, &hdev->dbg_flags))
eac83dc6
MH		 4294 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4295 MGMT_STATUS_NOT_SUPPORTED);
4296
0ab04a9c 4297 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
eac83dc6
MH		 4298 return cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4299 MGMT_STATUS_INVALID_PARAMS);
4300
4301 hci_dev_lock(hdev);
4302
4303 if (!hdev_is_powered(hdev)) {
4304 bool changed;
4305
0ab04a9c 4306 if (cp->val) {
eac83dc6
MH		 4307 changed = !test_and_set_bit(HCI_SC_ENABLED,
4308 &hdev->dev_flags);
0ab04a9c
MH		 4309 if (cp->val == 0x02)
4310 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4311 else
4312 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4313 } else {
eac83dc6
MH		 4314 changed = test_and_clear_bit(HCI_SC_ENABLED,
4315 &hdev->dev_flags);
0ab04a9c
MH		 4316 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4317 }
eac83dc6
MH		 4318
4319 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4320 if (err < 0)
4321 goto failed;
4322
4323 if (changed)
4324 err = new_settings(hdev, sk);
4325
4326 goto failed;
4327 }
4328
4329 if (mgmt_pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
4330 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
4331 MGMT_STATUS_BUSY);
4332 goto failed;
4333 }
4334
0ab04a9c
MH		 4335 val = !!cp->val;
4336
4337 if (val == test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
4338 (cp->val == 0x02) == test_bit(HCI_SC_ONLY, &hdev->dev_flags)) {
eac83dc6
MH		 4339 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
4340 goto failed;
4341 }
4342
4343 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
4344 if (!cmd) {
4345 err = -ENOMEM;
4346 goto failed;
4347 }
4348
0ab04a9c 4349 err = hci_send_cmd(hdev, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
eac83dc6
MH		 4350 if (err < 0) {
4351 mgmt_pending_remove(cmd);
4352 goto failed;
4353 }
4354
0ab04a9c
MH		 4355 if (cp->val == 0x02)
4356 set_bit(HCI_SC_ONLY, &hdev->dev_flags);
4357 else
4358 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
4359
eac83dc6
MH		 4360failed:
4361 hci_dev_unlock(hdev);
4362 return err;
4363}
4364
4e39ac81
MH		 4365static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
4366 void *data, u16 len)
4367{
4368 struct mgmt_mode *cp = data;
b9710979 4369 bool changed, use_changed;
4e39ac81
MH		 4370 int err;
4371
4372 BT_DBG("request for %s", hdev->name);
4373
b9710979 4374 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
4e39ac81
MH		 4375 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
4376 MGMT_STATUS_INVALID_PARAMS);
4377
4378 hci_dev_lock(hdev);
4379
4380 if (cp->val)
0663b297
JH		 4381 changed = !test_and_set_bit(HCI_KEEP_DEBUG_KEYS,
4382 &hdev->dev_flags);
4e39ac81 4383 else
0663b297
JH		 4384 changed = test_and_clear_bit(HCI_KEEP_DEBUG_KEYS,
4385 &hdev->dev_flags);
4e39ac81 4386
b9710979
JH		 4387 if (cp->val == 0x02)
4388 use_changed = !test_and_set_bit(HCI_USE_DEBUG_KEYS,
4389 &hdev->dev_flags);
4390 else
4391 use_changed = test_and_clear_bit(HCI_USE_DEBUG_KEYS,
4392 &hdev->dev_flags);
4393
4394 if (hdev_is_powered(hdev) && use_changed &&
4395 test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
4396 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
4397 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
4398 sizeof(mode), &mode);
4399 }
4400
4e39ac81
MH		 4401 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
4402 if (err < 0)
4403 goto unlock;
4404
4405 if (changed)
4406 err = new_settings(hdev, sk);
4407
4408unlock:
4409 hci_dev_unlock(hdev);
4410 return err;
4411}
4412
62b04cd1
JH		 4413static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4414 u16 len)
4415{
4416 struct mgmt_cp_set_privacy *cp = cp_data;
4417 bool changed;
4418 int err;
4419
4420 BT_DBG("request for %s", hdev->name);
4421
4422 if (!lmp_le_capable(hdev))
4423 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4424 MGMT_STATUS_NOT_SUPPORTED);
4425
4426 if (cp->privacy != 0x00 && cp->privacy != 0x01)
4427 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4428 MGMT_STATUS_INVALID_PARAMS);
4429
4430 if (hdev_is_powered(hdev))
4431 return cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
4432 MGMT_STATUS_REJECTED);
4433
4434 hci_dev_lock(hdev);
4435
c21c0ea0
JH		 4436 /* If user space supports this command it is also expected to
4437 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
4438 */
4439 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4440
62b04cd1
JH		 4441 if (cp->privacy) {
4442 changed = !test_and_set_bit(HCI_PRIVACY, &hdev->dev_flags);
4443 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
4444 set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4445 } else {
4446 changed = test_and_clear_bit(HCI_PRIVACY, &hdev->dev_flags);
4447 memset(hdev->irk, 0, sizeof(hdev->irk));
4448 clear_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
4449 }
4450
4451 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
4452 if (err < 0)
4453 goto unlock;
4454
4455 if (changed)
4456 err = new_settings(hdev, sk);
4457
4458unlock:
4459 hci_dev_unlock(hdev);
4460 return err;
4461}
4462
41edf160
JH		 4463static bool irk_is_valid(struct mgmt_irk_info *irk)
4464{
4465 switch (irk->addr.type) {
4466 case BDADDR_LE_PUBLIC:
4467 return true;
4468
4469 case BDADDR_LE_RANDOM:
4470 /* Two most significant bits shall be set */
4471 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4472 return false;
4473 return true;
4474 }
4475
4476 return false;
4477}
4478
4479static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
4480 u16 len)
4481{
4482 struct mgmt_cp_load_irks *cp = cp_data;
4483 u16 irk_count, expected_len;
4484 int i, err;
4485
4486 BT_DBG("request for %s", hdev->name);
4487
4488 if (!lmp_le_capable(hdev))
4489 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4490 MGMT_STATUS_NOT_SUPPORTED);
4491
4492 irk_count = __le16_to_cpu(cp->irk_count);
4493
4494 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
4495 if (expected_len != len) {
4496 BT_ERR("load_irks: expected %u bytes, got %u bytes",
2606ecbc 4497 expected_len, len);
41edf160
JH		 4498 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
4499 MGMT_STATUS_INVALID_PARAMS);
4500 }
4501
4502 BT_DBG("%s irk_count %u", hdev->name, irk_count);
4503
4504 for (i = 0; i < irk_count; i++) {
4505 struct mgmt_irk_info *key = &cp->irks[i];
4506
4507 if (!irk_is_valid(key))
4508 return cmd_status(sk, hdev->id,
4509 MGMT_OP_LOAD_IRKS,
4510 MGMT_STATUS_INVALID_PARAMS);
4511 }
4512
4513 hci_dev_lock(hdev);
4514
4515 hci_smp_irks_clear(hdev);
4516
4517 for (i = 0; i < irk_count; i++) {
4518 struct mgmt_irk_info *irk = &cp->irks[i];
4519 u8 addr_type;
4520
4521 if (irk->addr.type == BDADDR_LE_PUBLIC)
4522 addr_type = ADDR_LE_DEV_PUBLIC;
4523 else
4524 addr_type = ADDR_LE_DEV_RANDOM;
4525
4526 hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
4527 BDADDR_ANY);
4528 }
4529
4530 set_bit(HCI_RPA_RESOLVING, &hdev->dev_flags);
4531
4532 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
4533
4534 hci_dev_unlock(hdev);
4535
4536 return err;
4537}
4538
3f706b72
JH		 4539static bool ltk_is_valid(struct mgmt_ltk_info *key)
4540{
4541 if (key->master != 0x00 && key->master != 0x01)
4542 return false;
490cb0b3
MH		 4543
4544 switch (key->addr.type) {
4545 case BDADDR_LE_PUBLIC:
4546 return true;
4547
4548 case BDADDR_LE_RANDOM:
4549 /* Two most significant bits shall be set */
4550 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
4551 return false;
4552 return true;
4553 }
4554
4555 return false;
3f706b72
JH		 4556}
4557
bdb6d971 4558static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
04124681 4559 void *cp_data, u16 len)
346af67b 4560{
346af67b
VCG		 4561 struct mgmt_cp_load_long_term_keys *cp = cp_data;
4562 u16 key_count, expected_len;
715a5bf2 4563 int i, err;
346af67b 4564
cf99ba13
MH		 4565 BT_DBG("request for %s", hdev->name);
4566
4567 if (!lmp_le_capable(hdev))
4568 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
4569 MGMT_STATUS_NOT_SUPPORTED);
4570
1f350c87 4571 key_count = __le16_to_cpu(cp->key_count);
346af67b
VCG		 4572
4573 expected_len = sizeof(*cp) + key_count *
4574 sizeof(struct mgmt_ltk_info);
4575 if (expected_len != len) {
4576 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2606ecbc 4577 expected_len, len);
bdb6d971 4578 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
e57e619f 4579 MGMT_STATUS_INVALID_PARAMS);
346af67b
VCG		 4580 }
4581
bdb6d971 4582 BT_DBG("%s key_count %u", hdev->name, key_count);
346af67b 4583
54ad6d8a
JH		 4584 for (i = 0; i < key_count; i++) {
4585 struct mgmt_ltk_info *key = &cp->keys[i];
4586
3f706b72 4587 if (!ltk_is_valid(key))
54ad6d8a
JH		 4588 return cmd_status(sk, hdev->id,
4589 MGMT_OP_LOAD_LONG_TERM_KEYS,
4590 MGMT_STATUS_INVALID_PARAMS);
4591 }
4592
346af67b
VCG		 4593 hci_dev_lock(hdev);
4594
4595 hci_smp_ltks_clear(hdev);
4596
4597 for (i = 0; i < key_count; i++) {
4598 struct mgmt_ltk_info *key = &cp->keys[i];
d7b25450 4599 u8 type, addr_type, authenticated;
79d95a19
MH		 4600
4601 if (key->addr.type == BDADDR_LE_PUBLIC)
4602 addr_type = ADDR_LE_DEV_PUBLIC;
4603 else
4604 addr_type = ADDR_LE_DEV_RANDOM;
346af67b
VCG		 4605
4606 if (key->master)
2ceba539 4607 type = SMP_LTK;
346af67b 4608 else
2ceba539 4609 type = SMP_LTK_SLAVE;
346af67b 4610
61b43357
JH		 4611 switch (key->type) {
4612 case MGMT_LTK_UNAUTHENTICATED:
d7b25450 4613 authenticated = 0x00;
61b43357
JH		 4614 break;
4615 case MGMT_LTK_AUTHENTICATED:
d7b25450 4616 authenticated = 0x01;
61b43357
JH		 4617 break;
4618 default:
4619 continue;
4620 }
d7b25450 4621
35d70271 4622 hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
d7b25450 4623 authenticated, key->val, key->enc_size, key->ediv,
35d70271 4624 key->rand);
346af67b
VCG		 4625 }
4626
715a5bf2
JH		 4627 err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
4628 NULL, 0);
4629
346af67b 4630 hci_dev_unlock(hdev);
346af67b 4631
715a5bf2 4632 return err;
346af67b
VCG		 4633}
4634
dd983808
AK		 4635struct cmd_conn_lookup {
4636 struct hci_conn *conn;
4637 bool valid_tx_power;
4638 u8 mgmt_status;
4639};
4640
4641static void get_conn_info_complete(struct pending_cmd *cmd, void *data)
4642{
4643 struct cmd_conn_lookup *match = data;
4644 struct mgmt_cp_get_conn_info *cp;
4645 struct mgmt_rp_get_conn_info rp;
4646 struct hci_conn *conn = cmd->user_data;
4647
4648 if (conn != match->conn)
4649 return;
4650
4651 cp = (struct mgmt_cp_get_conn_info *) cmd->param;
4652
4653 memset(&rp, 0, sizeof(rp));
4654 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4655 rp.addr.type = cp->addr.type;
4656
4657 if (!match->mgmt_status) {
4658 rp.rssi = conn->rssi;
4659
eed5daf3 4660 if (match->valid_tx_power) {
dd983808 4661 rp.tx_power = conn->tx_power;
eed5daf3
AK		 4662 rp.max_tx_power = conn->max_tx_power;
4663 } else {
dd983808 4664 rp.tx_power = HCI_TX_POWER_INVALID;
eed5daf3
AK		 4665 rp.max_tx_power = HCI_TX_POWER_INVALID;
4666 }
dd983808
AK		 4667 }
4668
4669 cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
4670 match->mgmt_status, &rp, sizeof(rp));
4671
4672 hci_conn_drop(conn);
4673
4674 mgmt_pending_remove(cmd);
4675}
4676
4677static void conn_info_refresh_complete(struct hci_dev *hdev, u8 status)
4678{
4679 struct hci_cp_read_rssi *cp;
4680 struct hci_conn *conn;
4681 struct cmd_conn_lookup match;
4682 u16 handle;
4683
4684 BT_DBG("status 0x%02x", status);
4685
4686 hci_dev_lock(hdev);
4687
4688 /* TX power data is valid in case request completed successfully,
eed5daf3
AK		 4689 * otherwise we assume it's not valid. At the moment we assume that
4690 * either both or none of current and max values are valid to keep code
4691 * simple.
dd983808
AK		 4692 */
4693 match.valid_tx_power = !status;
4694
4695 /* Commands sent in request are either Read RSSI or Read Transmit Power
4696 * Level so we check which one was last sent to retrieve connection
4697 * handle. Both commands have handle as first parameter so it's safe to
4698 * cast data on the same command struct.
4699 *
4700 * First command sent is always Read RSSI and we fail only if it fails.
4701 * In other case we simply override error to indicate success as we
4702 * already remembered if TX power value is actually valid.
4703 */
4704 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
4705 if (!cp) {
4706 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
4707 status = 0;
4708 }
4709
4710 if (!cp) {
4711 BT_ERR("invalid sent_cmd in response");
4712 goto unlock;
4713 }
4714
4715 handle = __le16_to_cpu(cp->handle);
4716 conn = hci_conn_hash_lookup_handle(hdev, handle);
4717 if (!conn) {
4718 BT_ERR("unknown handle (%d) in response", handle);
4719 goto unlock;
4720 }
4721
4722 match.conn = conn;
4723 match.mgmt_status = mgmt_status(status);
4724
4725 /* Cache refresh is complete, now reply for mgmt request for given
4726 * connection only.
4727 */
4728 mgmt_pending_foreach(MGMT_OP_GET_CONN_INFO, hdev,
4729 get_conn_info_complete, &match);
4730
4731unlock:
4732 hci_dev_unlock(hdev);
4733}
4734
4735static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
4736 u16 len)
4737{
4738 struct mgmt_cp_get_conn_info *cp = data;
4739 struct mgmt_rp_get_conn_info rp;
4740 struct hci_conn *conn;
4741 unsigned long conn_info_age;
4742 int err = 0;
4743
4744 BT_DBG("%s", hdev->name);
4745
4746 memset(&rp, 0, sizeof(rp));
4747 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4748 rp.addr.type = cp->addr.type;
4749
4750 if (!bdaddr_type_is_valid(cp->addr.type))
4751 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4752 MGMT_STATUS_INVALID_PARAMS,
4753 &rp, sizeof(rp));
4754
4755 hci_dev_lock(hdev);
4756
4757 if (!hdev_is_powered(hdev)) {
4758 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4759 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
4760 goto unlock;
4761 }
4762
4763 if (cp->addr.type == BDADDR_BREDR)
4764 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
4765 &cp->addr.bdaddr);
4766 else
4767 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
4768
4769 if (!conn || conn->state != BT_CONNECTED) {
4770 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4771 MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp));
4772 goto unlock;
4773 }
4774
4775 /* To avoid client trying to guess when to poll again for information we
4776 * calculate conn info age as random value between min/max set in hdev.
4777 */
4778 conn_info_age = hdev->conn_info_min_age +
4779 prandom_u32_max(hdev->conn_info_max_age -
4780 hdev->conn_info_min_age);
4781
4782 /* Query controller to refresh cached values if they are too old or were
4783 * never read.
4784 */
f4e2dd53
AK		 4785 if (time_after(jiffies, conn->conn_info_timestamp +
4786 msecs_to_jiffies(conn_info_age)) ||
dd983808
AK		 4787 !conn->conn_info_timestamp) {
4788 struct hci_request req;
4789 struct hci_cp_read_tx_power req_txp_cp;
4790 struct hci_cp_read_rssi req_rssi_cp;
4791 struct pending_cmd *cmd;
4792
4793 hci_req_init(&req, hdev);
4794 req_rssi_cp.handle = cpu_to_le16(conn->handle);
4795 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
4796 &req_rssi_cp);
4797
f7faab0c
AK		 4798 /* For LE links TX power does not change thus we don't need to
4799 * query for it once value is known.
4800 */
4801 if (!bdaddr_type_is_le(cp->addr.type) ||
4802 conn->tx_power == HCI_TX_POWER_INVALID) {
4803 req_txp_cp.handle = cpu_to_le16(conn->handle);
4804 req_txp_cp.type = 0x00;
4805 hci_req_add(&req, HCI_OP_READ_TX_POWER,
4806 sizeof(req_txp_cp), &req_txp_cp);
4807 }
dd983808 4808
eed5daf3
AK		 4809 /* Max TX power needs to be read only once per connection */
4810 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
4811 req_txp_cp.handle = cpu_to_le16(conn->handle);
4812 req_txp_cp.type = 0x01;
4813 hci_req_add(&req, HCI_OP_READ_TX_POWER,
4814 sizeof(req_txp_cp), &req_txp_cp);
4815 }
4816
dd983808
AK		 4817 err = hci_req_run(&req, conn_info_refresh_complete);
4818 if (err < 0)
4819 goto unlock;
4820
4821 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
4822 data, len);
4823 if (!cmd) {
4824 err = -ENOMEM;
4825 goto unlock;
4826 }
4827
4828 hci_conn_hold(conn);
4829 cmd->user_data = conn;
4830
4831 conn->conn_info_timestamp = jiffies;
4832 } else {
4833 /* Cache is valid, just reply with values cached in hci_conn */
4834 rp.rssi = conn->rssi;
4835 rp.tx_power = conn->tx_power;
eed5daf3 4836 rp.max_tx_power = conn->max_tx_power;
dd983808
AK		 4837
4838 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
4839 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
4840 }
4841
4842unlock:
4843 hci_dev_unlock(hdev);
4844 return err;
4845}
4846
95868426
JH		 4847static void get_clock_info_complete(struct hci_dev *hdev, u8 status)
4848{
4849 struct mgmt_cp_get_clock_info *cp;
4850 struct mgmt_rp_get_clock_info rp;
4851 struct hci_cp_read_clock *hci_cp;
4852 struct pending_cmd *cmd;
4853 struct hci_conn *conn;
4854
4855 BT_DBG("%s status %u", hdev->name, status);
4856
4857 hci_dev_lock(hdev);
4858
4859 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
4860 if (!hci_cp)
4861 goto unlock;
4862
4863 if (hci_cp->which) {
4864 u16 handle = __le16_to_cpu(hci_cp->handle);
4865 conn = hci_conn_hash_lookup_handle(hdev, handle);
4866 } else {
4867 conn = NULL;
4868 }
4869
4870 cmd = mgmt_pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
4871 if (!cmd)
4872 goto unlock;
4873
4874 cp = cmd->param;
4875
4876 memset(&rp, 0, sizeof(rp));
4877 memcpy(&rp.addr, &cp->addr, sizeof(rp.addr));
4878
4879 if (status)
4880 goto send_rsp;
4881
4882 rp.local_clock = cpu_to_le32(hdev->clock);
4883
4884 if (conn) {
4885 rp.piconet_clock = cpu_to_le32(conn->clock);
4886 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
4887 }
4888
4889send_rsp:
4890 cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
4891 &rp, sizeof(rp));
4892 mgmt_pending_remove(cmd);
4893 if (conn)
4894 hci_conn_drop(conn);
4895
4896unlock:
4897 hci_dev_unlock(hdev);
4898}
4899
4900static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
4901 u16 len)
4902{
4903 struct mgmt_cp_get_clock_info *cp = data;
4904 struct mgmt_rp_get_clock_info rp;
4905 struct hci_cp_read_clock hci_cp;
4906 struct pending_cmd *cmd;
4907 struct hci_request req;
4908 struct hci_conn *conn;
4909 int err;
4910
4911 BT_DBG("%s", hdev->name);
4912
4913 memset(&rp, 0, sizeof(rp));
4914 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
4915 rp.addr.type = cp->addr.type;
4916
4917 if (cp->addr.type != BDADDR_BREDR)
4918 return cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
4919 MGMT_STATUS_INVALID_PARAMS,
4920 &rp, sizeof(rp));
4921
4922 hci_dev_lock(hdev);
4923
4924 if (!hdev_is_powered(hdev)) {
4925 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
4926 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
4927 goto unlock;
4928 }
4929
4930 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
4931 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
4932 &cp->addr.bdaddr);
4933 if (!conn || conn->state != BT_CONNECTED) {
4934 err = cmd_complete(sk, hdev->id,
4935 MGMT_OP_GET_CLOCK_INFO,
4936 MGMT_STATUS_NOT_CONNECTED,
4937 &rp, sizeof(rp));
4938 goto unlock;
4939 }
4940 } else {
4941 conn = NULL;
4942 }
4943
4944 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
4945 if (!cmd) {
4946 err = -ENOMEM;
4947 goto unlock;
4948 }
4949
4950 hci_req_init(&req, hdev);
4951
4952 memset(&hci_cp, 0, sizeof(hci_cp));
4953 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
4954
4955 if (conn) {
4956 hci_conn_hold(conn);
4957 cmd->user_data = conn;
4958
4959 hci_cp.handle = cpu_to_le16(conn->handle);
4960 hci_cp.which = 0x01; /* Piconet clock */
4961 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
4962 }
4963
4964 err = hci_req_run(&req, get_clock_info_complete);
4965 if (err < 0)
4966 mgmt_pending_remove(cmd);
4967
4968unlock:
4969 hci_dev_unlock(hdev);
4970 return err;
4971}
4972
8afef092
MH		 4973static void device_added(struct sock *sk, struct hci_dev *hdev,
4974 bdaddr_t *bdaddr, u8 type, u8 action)
4975{
4976 struct mgmt_ev_device_added ev;
4977
4978 bacpy(&ev.addr.bdaddr, bdaddr);
4979 ev.addr.type = type;
4980 ev.action = action;
4981
4982 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
4983}
4984
2faade53
MH		 4985static int add_device(struct sock *sk, struct hci_dev *hdev,
4986 void *data, u16 len)
4987{
4988 struct mgmt_cp_add_device *cp = data;
4989 u8 auto_conn, addr_type;
4990 int err;
4991
4992 BT_DBG("%s", hdev->name);
4993
4994 if (!bdaddr_type_is_le(cp->addr.type) ||
4995 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
4996 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
4997 MGMT_STATUS_INVALID_PARAMS,
4998 &cp->addr, sizeof(cp->addr));
4999
5000 if (cp->action != 0x00 && cp->action != 0x01)
5001 return cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5002 MGMT_STATUS_INVALID_PARAMS,
5003 &cp->addr, sizeof(cp->addr));
5004
5005 hci_dev_lock(hdev);
5006
5007 if (cp->addr.type == BDADDR_LE_PUBLIC)
5008 addr_type = ADDR_LE_DEV_PUBLIC;
5009 else
5010 addr_type = ADDR_LE_DEV_RANDOM;
5011
5012 if (cp->action)
5013 auto_conn = HCI_AUTO_CONN_ALWAYS;
5014 else
5015 auto_conn = HCI_AUTO_CONN_DISABLED;
5016
bf5b3c8b
MH		 5017 /* If the connection parameters don't exist for this device,
5018 * they will be created and configured with defaults.
5019 */
5020 if (hci_conn_params_set(hdev, &cp->addr.bdaddr, addr_type, auto_conn,
2faade53
MH		 5021 hdev->le_conn_min_interval,
5022 hdev->le_conn_max_interval) < 0) {
5023 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5024 MGMT_STATUS_FAILED,
5025 &cp->addr, sizeof(cp->addr));
5026 goto unlock;
5027 }
5028
8afef092
MH		 5029 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
5030
2faade53
MH		 5031 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
5032 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5033
5034unlock:
5035 hci_dev_unlock(hdev);
5036 return err;
5037}
5038
8afef092
MH		 5039static void device_removed(struct sock *sk, struct hci_dev *hdev,
5040 bdaddr_t *bdaddr, u8 type)
5041{
5042 struct mgmt_ev_device_removed ev;
5043
5044 bacpy(&ev.addr.bdaddr, bdaddr);
5045 ev.addr.type = type;
5046
5047 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
5048}
5049
2faade53
MH		 5050static int remove_device(struct sock *sk, struct hci_dev *hdev,
5051 void *data, u16 len)
5052{
5053 struct mgmt_cp_remove_device *cp = data;
5054 int err;
5055
5056 BT_DBG("%s", hdev->name);
5057
5058 hci_dev_lock(hdev);
5059
5060 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
5061 u8 addr_type;
5062
5063 if (!bdaddr_type_is_le(cp->addr.type)) {
5064 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5065 MGMT_STATUS_INVALID_PARAMS,
5066 &cp->addr, sizeof(cp->addr));
5067 goto unlock;
5068 }
5069
5070 if (cp->addr.type == BDADDR_LE_PUBLIC)
5071 addr_type = ADDR_LE_DEV_PUBLIC;
5072 else
5073 addr_type = ADDR_LE_DEV_RANDOM;
5074
5075 hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
8afef092
MH		 5076
5077 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
2faade53
MH		 5078 } else {
5079 if (cp->addr.type) {
5080 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5081 MGMT_STATUS_INVALID_PARAMS,
5082 &cp->addr, sizeof(cp->addr));
5083 goto unlock;
5084 }
5085
5086 hci_conn_params_clear(hdev);
5087 }
5088
5089 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
5090 MGMT_STATUS_SUCCESS, &cp->addr, sizeof(cp->addr));
5091
5092unlock:
5093 hci_dev_unlock(hdev);
5094 return err;
5095}
5096
2e3c35ea 5097static const struct mgmt_handler {
04124681
GP		 5098 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
5099 u16 data_len);
be22b54e
JH		 5100 bool var_len;
5101 size_t data_len;
0f4e68cf
JH		 5102} mgmt_handlers[] = {
5103 { NULL }, /* 0x0000 (no command) */
be22b54e
JH		 5104 { read_version, false, MGMT_READ_VERSION_SIZE },
5105 { read_commands, false, MGMT_READ_COMMANDS_SIZE },
5106 { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE },
5107 { read_controller_info, false, MGMT_READ_INFO_SIZE },
5108 { set_powered, false, MGMT_SETTING_SIZE },
5109 { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE },
5110 { set_connectable, false, MGMT_SETTING_SIZE },
5111 { set_fast_connectable, false, MGMT_SETTING_SIZE },
5112 { set_pairable, false, MGMT_SETTING_SIZE },
5113 { set_link_security, false, MGMT_SETTING_SIZE },
5114 { set_ssp, false, MGMT_SETTING_SIZE },
5115 { set_hs, false, MGMT_SETTING_SIZE },
5116 { set_le, false, MGMT_SETTING_SIZE },
5117 { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE },
5118 { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE },
5119 { add_uuid, false, MGMT_ADD_UUID_SIZE },
5120 { remove_uuid, false, MGMT_REMOVE_UUID_SIZE },
5121 { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE },
5122 { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE },
5123 { disconnect, false, MGMT_DISCONNECT_SIZE },
5124 { get_connections, false, MGMT_GET_CONNECTIONS_SIZE },
5125 { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE },
5126 { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE },
5127 { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE },
5128 { pair_device, false, MGMT_PAIR_DEVICE_SIZE },
5129 { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE },
5130 { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE },
5131 { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE },
5132 { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
5133 { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE },
5134 { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
5135 { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE },
ec109113 5136 { add_remote_oob_data, true, MGMT_ADD_REMOTE_OOB_DATA_SIZE },
be22b54e
JH		 5137 { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
5138 { start_discovery, false, MGMT_START_DISCOVERY_SIZE },
5139 { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE },
5140 { confirm_name, false, MGMT_CONFIRM_NAME_SIZE },
5141 { block_device, false, MGMT_BLOCK_DEVICE_SIZE },
5142 { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE },
cdbaccca 5143 { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE },
4375f103 5144 { set_advertising, false, MGMT_SETTING_SIZE },
0663ca2a 5145 { set_bredr, false, MGMT_SETTING_SIZE },
d13eafce 5146 { set_static_address, false, MGMT_SET_STATIC_ADDRESS_SIZE },
14b49b9a 5147 { set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE },
eac83dc6 5148 { set_secure_conn, false, MGMT_SETTING_SIZE },
4e39ac81 5149 { set_debug_keys, false, MGMT_SETTING_SIZE },
62b04cd1 5150 { set_privacy, false, MGMT_SET_PRIVACY_SIZE },
41edf160 5151 { load_irks, true, MGMT_LOAD_IRKS_SIZE },
dd983808 5152 { get_conn_info, false, MGMT_GET_CONN_INFO_SIZE },
95868426 5153 { get_clock_info, false, MGMT_GET_CLOCK_INFO_SIZE },
2faade53
MH		 5154 { add_device, false, MGMT_ADD_DEVICE_SIZE },
5155 { remove_device, false, MGMT_REMOVE_DEVICE_SIZE },
0f4e68cf
JH		 5156};
5157
0381101f
JH		 5158int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
5159{
650f726d
VCG		 5160 void *buf;
5161 u8 *cp;
0381101f 5162 struct mgmt_hdr *hdr;
4e51eae9 5163 u16 opcode, index, len;
bdb6d971 5164 struct hci_dev *hdev = NULL;
2e3c35ea 5165 const struct mgmt_handler *handler;
0381101f
JH		 5166 int err;
5167
5168 BT_DBG("got %zu bytes", msglen);
5169
5170 if (msglen < sizeof(*hdr))
5171 return -EINVAL;
5172
e63a15ec 5173 buf = kmalloc(msglen, GFP_KERNEL);
0381101f
JH		 5174 if (!buf)
5175 return -ENOMEM;
5176
5177 if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
5178 err = -EFAULT;
5179 goto done;
5180 }
5181
650f726d 5182 hdr = buf;
1f350c87
MH		 5183 opcode = __le16_to_cpu(hdr->opcode);
5184 index = __le16_to_cpu(hdr->index);
5185 len = __le16_to_cpu(hdr->len);
0381101f
JH		 5186
5187 if (len != msglen - sizeof(*hdr)) {
5188 err = -EINVAL;
5189 goto done;
5190 }
5191
0f4e68cf 5192 if (index != MGMT_INDEX_NONE) {
bdb6d971
JH		 5193 hdev = hci_dev_get(index);
5194 if (!hdev) {
5195 err = cmd_status(sk, index, opcode,
04124681 5196 MGMT_STATUS_INVALID_INDEX);
bdb6d971
JH		 5197 goto done;
5198 }
0736cfa8 5199
cebf4cfd 5200 if (test_bit(HCI_SETUP, &hdev->dev_flags) ||
fee746b0
MH		 5201 test_bit(HCI_USER_CHANNEL, &hdev->dev_flags) ||
5202 test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) {
0736cfa8
MH		 5203 err = cmd_status(sk, index, opcode,
5204 MGMT_STATUS_INVALID_INDEX);
5205 goto done;
5206 }
bdb6d971
JH		 5207 }
5208
0f4e68cf 5209 if (opcode >= ARRAY_SIZE(mgmt_handlers) ||
8ce8e2b5 5210 mgmt_handlers[opcode].func == NULL) {
0381101f 5211 BT_DBG("Unknown op %u", opcode);
ca69b795 5212 err = cmd_status(sk, index, opcode,
04124681 5213 MGMT_STATUS_UNKNOWN_COMMAND);
0f4e68cf
JH		 5214 goto done;
5215 }
5216
5217 if ((hdev && opcode < MGMT_OP_READ_INFO) ||
8ce8e2b5 5218 (!hdev && opcode >= MGMT_OP_READ_INFO)) {
0f4e68cf 5219 err = cmd_status(sk, index, opcode,
04124681 5220 MGMT_STATUS_INVALID_INDEX);
0f4e68cf 5221 goto done;
0381101f
JH		 5222 }
5223
be22b54e
JH		 5224 handler = &mgmt_handlers[opcode];
5225
5226 if ((handler->var_len && len < handler->data_len) ||
8ce8e2b5 5227 (!handler->var_len && len != handler->data_len)) {
be22b54e 5228 err = cmd_status(sk, index, opcode,
04124681 5229 MGMT_STATUS_INVALID_PARAMS);
be22b54e
JH		 5230 goto done;
5231 }
5232
0f4e68cf
JH		 5233 if (hdev)
5234 mgmt_init_hdev(sk, hdev);
5235
5236 cp = buf + sizeof(*hdr);
5237
be22b54e 5238 err = handler->func(sk, hdev, cp, len);
e41d8b4e
JH		 5239 if (err < 0)
5240 goto done;
5241
0381101f
JH		 5242 err = msglen;
5243
5244done:
bdb6d971
JH		 5245 if (hdev)
5246 hci_dev_put(hdev);
5247
0381101f
JH		 5248 kfree(buf);
5249 return err;
5250}
c71e97bf 5251
bf6b56db 5252void mgmt_index_added(struct hci_dev *hdev)
c71e97bf 5253{
1514b892 5254 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5255 return;
bb4b2a9a 5256
bf6b56db 5257 mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
c71e97bf
JH		 5258}
5259
bf6b56db 5260void mgmt_index_removed(struct hci_dev *hdev)
c71e97bf 5261{
5f159032 5262 u8 status = MGMT_STATUS_INVALID_INDEX;
b24752fe 5263
1514b892 5264 if (hdev->dev_type != HCI_BREDR)
bf6b56db 5265 return;
bb4b2a9a 5266
744cf19e 5267 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
b24752fe 5268
bf6b56db 5269 mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
eec8d2bc
JH		 5270}
5271
6046dc3e
AG		 5272/* This function requires the caller holds hdev->lock */
5273static void restart_le_auto_conns(struct hci_dev *hdev)
5274{
5275 struct hci_conn_params *p;
5276
5277 list_for_each_entry(p, &hdev->le_conn_params, list) {
5278 if (p->auto_connect == HCI_AUTO_CONN_ALWAYS)
5279 hci_pend_le_conn_add(hdev, &p->addr, p->addr_type);
5280 }
5281}
5282
229ab39c
JH		 5283static void powered_complete(struct hci_dev *hdev, u8 status)
5284{
5285 struct cmd_lookup match = { NULL, hdev };
5286
5287 BT_DBG("status 0x%02x", status);
5288
5289 hci_dev_lock(hdev);
5290
6046dc3e
AG		 5291 restart_le_auto_conns(hdev);
5292
229ab39c
JH		 5293 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
5294
5295 new_settings(hdev, match.sk);
5296
5297 hci_dev_unlock(hdev);
5298
5299 if (match.sk)
5300 sock_put(match.sk);
5301}
5302
70da6243 5303static int powered_update_hci(struct hci_dev *hdev)
5add6af8 5304{
890ea898 5305 struct hci_request req;
70da6243 5306 u8 link_sec;
5add6af8 5307
890ea898
JH		 5308 hci_req_init(&req, hdev);
5309
70da6243
JH		 5310 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
5311 !lmp_host_ssp_capable(hdev)) {
5312 u8 ssp = 1;
5e5282bb 5313
890ea898 5314 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
70da6243 5315 }
5add6af8 5316
c73eee91
JH		 5317 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags) &&
5318 lmp_bredr_capable(hdev)) {
70da6243 5319 struct hci_cp_write_le_host_supported cp;
f0ff92fb 5320
70da6243
JH		 5321 cp.le = 1;
5322 cp.simul = lmp_le_br_capable(hdev);
3d1cbdd6 5323
70da6243
JH		 5324 /* Check first if we already have the right
5325 * host state (host features set)
5326 */
5327 if (cp.le != lmp_host_le_capable(hdev) ||
5328 cp.simul != lmp_host_le_br_capable(hdev))
890ea898
JH		 5329 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
5330 sizeof(cp), &cp);
70da6243 5331 }
3d1cbdd6 5332
d13eafce 5333 if (lmp_le_capable(hdev)) {
441ad2d0
MH		 5334 /* Make sure the controller has a good default for
5335 * advertising data. This also applies to the case
5336 * where BR/EDR was toggled during the AUTO_OFF phase.
5337 */
f14d8f64 5338 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
5947f4bc 5339 update_adv_data(&req);
f14d8f64
MH		 5340 update_scan_rsp_data(&req);
5341 }
441ad2d0 5342
bba3aa55
MH		 5343 if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
5344 enable_advertising(&req);
eeca6f89
JH		 5345 }
5346
70da6243
JH		 5347 link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
5348 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
890ea898
JH		 5349 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
5350 sizeof(link_sec), &link_sec);
562fcc24 5351
70da6243 5352 if (lmp_bredr_capable(hdev)) {
56f87901
JH		 5353 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
5354 set_bredr_scan(&req);
890ea898 5355 update_class(&req);
13928971 5356 update_name(&req);
890ea898 5357 update_eir(&req);
70da6243 5358 }
562fcc24 5359
229ab39c 5360 return hci_req_run(&req, powered_complete);
70da6243 5361}
562fcc24 5362
70da6243
JH		 5363int mgmt_powered(struct hci_dev *hdev, u8 powered)
5364{
5365 struct cmd_lookup match = { NULL, hdev };
229ab39c
JH		 5366 u8 status_not_powered = MGMT_STATUS_NOT_POWERED;
5367 u8 zero_cod[] = { 0, 0, 0 };
70da6243 5368 int err;
f0ff92fb 5369
70da6243
JH		 5370 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
5371 return 0;
5372
70da6243 5373 if (powered) {
229ab39c
JH		 5374 if (powered_update_hci(hdev) == 0)
5375 return 0;
fe038884 5376
229ab39c
JH		 5377 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
5378 &match);
5379 goto new_settings;
b24752fe
JH		 5380 }
5381
229ab39c
JH		 5382 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
5383 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered);
5384
5385 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
5386 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
5387 zero_cod, sizeof(zero_cod), NULL);
5388
5389new_settings:
beadb2bd 5390 err = new_settings(hdev, match.sk);
eec8d2bc
JH		 5391
5392 if (match.sk)
5393 sock_put(match.sk);
5394
7bb895d6 5395 return err;
5add6af8 5396}
73f22f62 5397
3eec705e 5398void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
96570ffc
JH		 5399{
5400 struct pending_cmd *cmd;
5401 u8 status;
5402
5403 cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
5404 if (!cmd)
3eec705e 5405 return;
96570ffc
JH		 5406
5407 if (err == -ERFKILL)
5408 status = MGMT_STATUS_RFKILLED;
5409 else
5410 status = MGMT_STATUS_FAILED;
5411
3eec705e 5412 cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
96570ffc
JH		 5413
5414 mgmt_pending_remove(cmd);
96570ffc
JH		 5415}
5416
d1967ff8
MH		 5417void mgmt_discoverable_timeout(struct hci_dev *hdev)
5418{
5419 struct hci_request req;
d1967ff8
MH		 5420
5421 hci_dev_lock(hdev);
5422
5423 /* When discoverable timeout triggers, then just make sure
5424 * the limited discoverable flag is cleared. Even in the case
5425 * of a timeout triggered from general discoverable, it is
5426 * safe to unconditionally clear the flag.
5427 */
5428 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
9a43e25f 5429 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
d1967ff8
MH		 5430
5431 hci_req_init(&req, hdev);
4b580614
JH		 5432 if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
5433 u8 scan = SCAN_PAGE;
5434 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
5435 sizeof(scan), &scan);
5436 }
d1967ff8 5437 update_class(&req);
9a43e25f 5438 update_adv_data(&req);
d1967ff8
MH		 5439 hci_req_run(&req, NULL);
5440
5441 hdev->discov_timeout = 0;
5442
9a43e25f
JH		 5443 new_settings(hdev, NULL);
5444
d1967ff8
MH		 5445 hci_dev_unlock(hdev);
5446}
5447
86a75645 5448void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable)
73f22f62 5449{
86a75645 5450 bool changed;
73f22f62 5451
bfaf8c9f
JH		 5452 /* Nothing needed here if there's a pending command since that
5453 * commands request completion callback takes care of everything
5454 * necessary.
5455 */
5456 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev))
86a75645 5457 return;
bfaf8c9f 5458
bd107999
JH		 5459 /* Powering off may clear the scan mode - don't let that interfere */
5460 if (!discoverable && mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
5461 return;
5462
9a43e25f 5463 if (discoverable) {
86a75645 5464 changed = !test_and_set_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
9a43e25f
JH		 5465 } else {
5466 clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
86a75645 5467 changed = test_and_clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
9a43e25f
JH		 5468 }
5469
5470 if (changed) {
5471 struct hci_request req;
5472
5473 /* In case this change in discoverable was triggered by
5474 * a disabling of connectable there could be a need to
5475 * update the advertising flags.
5476 */
5477 hci_req_init(&req, hdev);
5478 update_adv_data(&req);
5479 hci_req_run(&req, NULL);
73f22f62 5480
86a75645 5481 new_settings(hdev, NULL);
9a43e25f 5482 }
73f22f62 5483}
9fbcbb45 5484
a330916c 5485void mgmt_connectable(struct hci_dev *hdev, u8 connectable)
9fbcbb45 5486{
a330916c 5487 bool changed;
9fbcbb45 5488
d7b856f9
JH		 5489 /* Nothing needed here if there's a pending command since that
5490 * commands request completion callback takes care of everything
5491 * necessary.
5492 */
5493 if (mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev))
a330916c 5494 return;
d7b856f9 5495
ce3f24cf
JH		 5496 /* Powering off may clear the scan mode - don't let that interfere */
5497 if (!connectable && mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
5498 return;
5499
a330916c
MH		 5500 if (connectable)
5501 changed = !test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
5502 else
5503 changed = test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
9fbcbb45 5504
beadb2bd 5505 if (changed)
a330916c 5506 new_settings(hdev, NULL);
9fbcbb45 5507}
55ed8ca1 5508
778b235a
JH		 5509void mgmt_advertising(struct hci_dev *hdev, u8 advertising)
5510{
7c4cfab8
JH		 5511 /* Powering off may stop advertising - don't let that interfere */
5512 if (!advertising && mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
5513 return;
5514
778b235a
JH		 5515 if (advertising)
5516 set_bit(HCI_ADVERTISING, &hdev->dev_flags);
5517 else
5518 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
5519}
5520
4796e8af 5521void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status)
2d7cee58 5522{
ca69b795
JH		 5523 u8 mgmt_err = mgmt_status(status);
5524
2d7cee58 5525 if (scan & SCAN_PAGE)
744cf19e 5526 mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev,
04124681 5527 cmd_status_rsp, &mgmt_err);
2d7cee58
JH		 5528
5529 if (scan & SCAN_INQUIRY)
744cf19e 5530 mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev,
04124681 5531 cmd_status_rsp, &mgmt_err);
2d7cee58
JH		 5532}
5533
dc4a5ee2
MH		 5534void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
5535 bool persistent)
55ed8ca1 5536{
86742e1e 5537 struct mgmt_ev_new_link_key ev;
55ed8ca1 5538
a492cd52 5539 memset(&ev, 0, sizeof(ev));
55ed8ca1 5540
a492cd52 5541 ev.store_hint = persistent;
d753fdc4 5542 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
591f47f3 5543 ev.key.addr.type = BDADDR_BREDR;
a492cd52 5544 ev.key.type = key->type;
9b3b4460 5545 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
a492cd52 5546 ev.key.pin_len = key->pin_len;
55ed8ca1 5547
dc4a5ee2 5548 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
55ed8ca1 5549}
f7520543 5550
d7b25450
JH		 5551static u8 mgmt_ltk_type(struct smp_ltk *ltk)
5552{
5553 if (ltk->authenticated)
5554 return MGMT_LTK_AUTHENTICATED;
5555
5556 return MGMT_LTK_UNAUTHENTICATED;
5557}
5558
53ac6ab6 5559void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
346af67b
VCG		 5560{
5561 struct mgmt_ev_new_long_term_key ev;
5562
5563 memset(&ev, 0, sizeof(ev));
5564
5192d301
MH		 5565 /* Devices using resolvable or non-resolvable random addresses
5566 * without providing an indentity resolving key don't require
5567 * to store long term keys. Their addresses will change the
5568 * next time around.
5569 *
5570 * Only when a remote device provides an identity address
5571 * make sure the long term key is stored. If the remote
5572 * identity is known, the long term keys are internally
5573 * mapped to the identity address. So allow static random
5574 * and public addresses here.
5575 */
ba74b666
JH		 5576 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
5577 (key->bdaddr.b[5] & 0xc0) != 0xc0)
5578 ev.store_hint = 0x00;
5579 else
53ac6ab6 5580 ev.store_hint = persistent;
ba74b666 5581
346af67b 5582 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
57c1477c 5583 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
d7b25450 5584 ev.key.type = mgmt_ltk_type(key);
346af67b
VCG		 5585 ev.key.enc_size = key->enc_size;
5586 ev.key.ediv = key->ediv;
fe39c7b2 5587 ev.key.rand = key->rand;
346af67b 5588
2ceba539 5589 if (key->type == SMP_LTK)
346af67b
VCG		 5590 ev.key.master = 1;
5591
346af67b
VCG		 5592 memcpy(ev.key.val, key->val, sizeof(key->val));
5593
083368f7 5594 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
346af67b
VCG		 5595}
5596
95fbac8a
JH		 5597void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk)
5598{
5599 struct mgmt_ev_new_irk ev;
5600
5601 memset(&ev, 0, sizeof(ev));
5602
bab6d1e5
MH		 5603 /* For identity resolving keys from devices that are already
5604 * using a public address or static random address, do not
5605 * ask for storing this key. The identity resolving key really
5606 * is only mandatory for devices using resovlable random
5607 * addresses.
5608 *
5609 * Storing all identity resolving keys has the downside that
5610 * they will be also loaded on next boot of they system. More
5611 * identity resolving keys, means more time during scanning is
5612 * needed to actually resolve these addresses.
5613 */
5614 if (bacmp(&irk->rpa, BDADDR_ANY))
5615 ev.store_hint = 0x01;
5616 else
5617 ev.store_hint = 0x00;
5618
95fbac8a
JH		 5619 bacpy(&ev.rpa, &irk->rpa);
5620 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
5621 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
5622 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
5623
5624 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
5625}
5626
53ac6ab6
MH		 5627void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
5628 bool persistent)
7ee4ea36
MH		 5629{
5630 struct mgmt_ev_new_csrk ev;
5631
5632 memset(&ev, 0, sizeof(ev));
5633
5634 /* Devices using resolvable or non-resolvable random addresses
5635 * without providing an indentity resolving key don't require
5636 * to store signature resolving keys. Their addresses will change
5637 * the next time around.
5638 *
5639 * Only when a remote device provides an identity address
5640 * make sure the signature resolving key is stored. So allow
5641 * static random and public addresses here.
5642 */
5643 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
5644 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
5645 ev.store_hint = 0x00;
5646 else
53ac6ab6 5647 ev.store_hint = persistent;
7ee4ea36
MH		 5648
5649 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
5650 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
5651 ev.key.master = csrk->master;
5652 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
5653
5654 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
5655}
5656
94933991
MH		 5657static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
5658 u8 data_len)
5659{
5660 eir[eir_len++] = sizeof(type) + data_len;
5661 eir[eir_len++] = type;
5662 memcpy(&eir[eir_len], data, data_len);
5663 eir_len += data_len;
5664
5665 return eir_len;
5666}
5667
ecd90ae7
MH		 5668void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
5669 u8 addr_type, u32 flags, u8 *name, u8 name_len,
5670 u8 *dev_class)
f7520543 5671{
b644ba33
JH		 5672 char buf[512];
5673 struct mgmt_ev_device_connected *ev = (void *) buf;
5674 u16 eir_len = 0;
f7520543 5675
b644ba33 5676 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 5677 ev->addr.type = link_to_bdaddr(link_type, addr_type);
f7520543 5678
c95f0ba7 5679 ev->flags = __cpu_to_le32(flags);
08c79b61 5680
b644ba33
JH		 5681 if (name_len > 0)
5682 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
04124681 5683 name, name_len);
b644ba33
JH		 5684
5685 if (dev_class && memcmp(dev_class, "\0\0\0", 3) != 0)
53156385 5686 eir_len = eir_append_data(ev->eir, eir_len,
04124681 5687 EIR_CLASS_OF_DEV, dev_class, 3);
b644ba33 5688
eb55ef07 5689 ev->eir_len = cpu_to_le16(eir_len);
b644ba33 5690
ecd90ae7
MH		 5691 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
5692 sizeof(*ev) + eir_len, NULL);
f7520543
JH		 5693}
5694
8962ee74
JH		 5695static void disconnect_rsp(struct pending_cmd *cmd, void *data)
5696{
c68fb7ff 5697 struct mgmt_cp_disconnect *cp = cmd->param;
8962ee74 5698 struct sock **sk = data;
a38528f1 5699 struct mgmt_rp_disconnect rp;
8962ee74 5700
88c3df13
JH		 5701 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5702 rp.addr.type = cp->addr.type;
8962ee74 5703
aee9b218 5704 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp,
04124681 5705 sizeof(rp));
8962ee74
JH		 5706
5707 *sk = cmd->sk;
5708 sock_hold(*sk);
5709
a664b5bc 5710 mgmt_pending_remove(cmd);
8962ee74
JH		 5711}
5712
124f6e35 5713static void unpair_device_rsp(struct pending_cmd *cmd, void *data)
a8a1d19e 5714{
b1078ad0 5715 struct hci_dev *hdev = data;
124f6e35
JH		 5716 struct mgmt_cp_unpair_device *cp = cmd->param;
5717 struct mgmt_rp_unpair_device rp;
a8a1d19e
JH		 5718
5719 memset(&rp, 0, sizeof(rp));
124f6e35
JH		 5720 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5721 rp.addr.type = cp->addr.type;
a8a1d19e 5722
b1078ad0
JH		 5723 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
5724
aee9b218 5725 cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp));
a8a1d19e
JH		 5726
5727 mgmt_pending_remove(cmd);
5728}
5729
9b80ec5e 5730void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
12d4a3b2
JH		 5731 u8 link_type, u8 addr_type, u8 reason,
5732 bool mgmt_connected)
f7520543 5733{
f0d6a0ea 5734 struct mgmt_ev_device_disconnected ev;
8b064a3a 5735 struct pending_cmd *power_off;
8962ee74 5736 struct sock *sk = NULL;
8962ee74 5737
8b064a3a
JH		 5738 power_off = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
5739 if (power_off) {
5740 struct mgmt_mode *cp = power_off->param;
5741
5742 /* The connection is still in hci_conn_hash so test for 1
5743 * instead of 0 to know if this is the last one.
5744 */
a3172b7e
JH		 5745 if (!cp->val && hci_conn_count(hdev) == 1) {
5746 cancel_delayed_work(&hdev->power_off);
8b064a3a 5747 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 5748 }
8b064a3a
JH		 5749 }
5750
12d4a3b2
JH		 5751 if (!mgmt_connected)
5752 return;
5753
57eb776f
AG		 5754 if (link_type != ACL_LINK && link_type != LE_LINK)
5755 return;
5756
744cf19e 5757 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
f7520543 5758
f0d6a0ea
MA		 5759 bacpy(&ev.addr.bdaddr, bdaddr);
5760 ev.addr.type = link_to_bdaddr(link_type, addr_type);
5761 ev.reason = reason;
f7520543 5762
9b80ec5e 5763 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8962ee74
JH		 5764
5765 if (sk)
d97dcb66 5766 sock_put(sk);
8962ee74 5767
124f6e35 5768 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
04124681 5769 hdev);
8962ee74
JH		 5770}
5771
7892924c
MH		 5772void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
5773 u8 link_type, u8 addr_type, u8 status)
8962ee74 5774{
3655bba8
AG		 5775 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
5776 struct mgmt_cp_disconnect *cp;
88c3df13 5777 struct mgmt_rp_disconnect rp;
8962ee74 5778 struct pending_cmd *cmd;
8962ee74 5779
36a75f1b
JD		 5780 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
5781 hdev);
5782
2e58ef3e 5783 cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev);
8962ee74 5784 if (!cmd)
7892924c 5785 return;
8962ee74 5786
3655bba8
AG		 5787 cp = cmd->param;
5788
5789 if (bacmp(bdaddr, &cp->addr.bdaddr))
5790 return;
5791
5792 if (cp->addr.type != bdaddr_type)
5793 return;
5794
88c3df13 5795 bacpy(&rp.addr.bdaddr, bdaddr);
3655bba8 5796 rp.addr.type = bdaddr_type;
37d9ef76 5797
7892924c
MH		 5798 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT,
5799 mgmt_status(status), &rp, sizeof(rp));
8962ee74 5800
a664b5bc 5801 mgmt_pending_remove(cmd);
f7520543 5802}
17d5c04c 5803
445608d0
MH		 5804void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
5805 u8 addr_type, u8 status)
17d5c04c
JH		 5806{
5807 struct mgmt_ev_connect_failed ev;
c9910d0f
JH		 5808 struct pending_cmd *power_off;
5809
5810 power_off = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev);
5811 if (power_off) {
5812 struct mgmt_mode *cp = power_off->param;
5813
5814 /* The connection is still in hci_conn_hash so test for 1
5815 * instead of 0 to know if this is the last one.
5816 */
a3172b7e
JH		 5817 if (!cp->val && hci_conn_count(hdev) == 1) {
5818 cancel_delayed_work(&hdev->power_off);
c9910d0f 5819 queue_work(hdev->req_workqueue, &hdev->power_off.work);
a3172b7e 5820 }
c9910d0f 5821 }
17d5c04c 5822
4c659c39 5823 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 5824 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 5825 ev.status = mgmt_status(status);
17d5c04c 5826
445608d0 5827 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
17d5c04c 5828}
980e1a53 5829
ce0e4a0d 5830void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
980e1a53
JH		 5831{
5832 struct mgmt_ev_pin_code_request ev;
5833
d8457698 5834 bacpy(&ev.addr.bdaddr, bdaddr);
591f47f3 5835 ev.addr.type = BDADDR_BREDR;
a770bb5a 5836 ev.secure = secure;
980e1a53 5837
ce0e4a0d 5838 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
980e1a53
JH		 5839}
5840
e669cf80
MH		 5841void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
5842 u8 status)
980e1a53
JH		 5843{
5844 struct pending_cmd *cmd;
ac56fb13 5845 struct mgmt_rp_pin_code_reply rp;
980e1a53 5846
2e58ef3e 5847 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
980e1a53 5848 if (!cmd)
e669cf80 5849 return;
980e1a53 5850
d8457698 5851 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 5852 rp.addr.type = BDADDR_BREDR;
ac56fb13 5853
e669cf80
MH		 5854 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
5855 mgmt_status(status), &rp, sizeof(rp));
980e1a53 5856
a664b5bc 5857 mgmt_pending_remove(cmd);
980e1a53
JH		 5858}
5859
3eb38528
MH		 5860void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
5861 u8 status)
980e1a53
JH		 5862{
5863 struct pending_cmd *cmd;
ac56fb13 5864 struct mgmt_rp_pin_code_reply rp;
980e1a53 5865
2e58ef3e 5866 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
980e1a53 5867 if (!cmd)
3eb38528 5868 return;
980e1a53 5869
d8457698 5870 bacpy(&rp.addr.bdaddr, bdaddr);
591f47f3 5871 rp.addr.type = BDADDR_BREDR;
ac56fb13 5872
3eb38528
MH		 5873 cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY,
5874 mgmt_status(status), &rp, sizeof(rp));
980e1a53 5875
a664b5bc 5876 mgmt_pending_remove(cmd);
980e1a53 5877}
a5c29683 5878
744cf19e 5879int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
39adbffe 5880 u8 link_type, u8 addr_type, u32 value,
04124681 5881 u8 confirm_hint)
a5c29683
JH		 5882{
5883 struct mgmt_ev_user_confirm_request ev;
5884
744cf19e 5885 BT_DBG("%s", hdev->name);
a5c29683 5886
272d90df 5887 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 5888 ev.addr.type = link_to_bdaddr(link_type, addr_type);
55bc1a37 5889 ev.confirm_hint = confirm_hint;
39adbffe 5890 ev.value = cpu_to_le32(value);
a5c29683 5891
744cf19e 5892 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
04124681 5893 NULL);
a5c29683
JH		 5894}
5895
272d90df 5896int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5 5897 u8 link_type, u8 addr_type)
604086b7
BG		 5898{
5899 struct mgmt_ev_user_passkey_request ev;
5900
5901 BT_DBG("%s", hdev->name);
5902
272d90df 5903 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 5904 ev.addr.type = link_to_bdaddr(link_type, addr_type);
604086b7
BG		 5905
5906 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
04124681 5907 NULL);
604086b7
BG		 5908}
5909
0df4c185 5910static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8ce8e2b5
GP		 5911 u8 link_type, u8 addr_type, u8 status,
5912 u8 opcode)
a5c29683
JH		 5913{
5914 struct pending_cmd *cmd;
5915 struct mgmt_rp_user_confirm_reply rp;
5916 int err;
5917
2e58ef3e 5918 cmd = mgmt_pending_find(opcode, hdev);
a5c29683
JH		 5919 if (!cmd)
5920 return -ENOENT;
5921
272d90df 5922 bacpy(&rp.addr.bdaddr, bdaddr);
57c1477c 5923 rp.addr.type = link_to_bdaddr(link_type, addr_type);
aee9b218 5924 err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status),
04124681 5925 &rp, sizeof(rp));
a5c29683 5926
a664b5bc 5927 mgmt_pending_remove(cmd);
a5c29683
JH		 5928
5929 return err;
5930}
5931
744cf19e 5932int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 5933 u8 link_type, u8 addr_type, u8 status)
a5c29683 5934{
272d90df 5935 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 5936 status, MGMT_OP_USER_CONFIRM_REPLY);
a5c29683
JH		 5937}
5938
272d90df 5939int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 5940 u8 link_type, u8 addr_type, u8 status)
a5c29683 5941{
272d90df 5942 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 5943 status,
5944 MGMT_OP_USER_CONFIRM_NEG_REPLY);
a5c29683 5945}
2a611692 5946
604086b7 5947int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 5948 u8 link_type, u8 addr_type, u8 status)
604086b7 5949{
272d90df 5950 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
04124681 5951 status, MGMT_OP_USER_PASSKEY_REPLY);
604086b7
BG		 5952}
5953
272d90df 5954int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
04124681 5955 u8 link_type, u8 addr_type, u8 status)
604086b7 5956{
272d90df 5957 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8fc9ced3
GP		 5958 status,
5959 MGMT_OP_USER_PASSKEY_NEG_REPLY);
604086b7
BG		 5960}
5961
92a25256
JH		 5962int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
5963 u8 link_type, u8 addr_type, u32 passkey,
5964 u8 entered)
5965{
5966 struct mgmt_ev_passkey_notify ev;
5967
5968 BT_DBG("%s", hdev->name);
5969
5970 bacpy(&ev.addr.bdaddr, bdaddr);
5971 ev.addr.type = link_to_bdaddr(link_type, addr_type);
5972 ev.passkey = __cpu_to_le32(passkey);
5973 ev.entered = entered;
5974
5975 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
5976}
5977
e546099c
MH		 5978void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
5979 u8 addr_type, u8 status)
2a611692
JH		 5980{
5981 struct mgmt_ev_auth_failed ev;
5982
bab73cb6 5983 bacpy(&ev.addr.bdaddr, bdaddr);
57c1477c 5984 ev.addr.type = link_to_bdaddr(link_type, addr_type);
ca69b795 5985 ev.status = mgmt_status(status);
2a611692 5986
e546099c 5987 mgmt_event(MGMT_EV_AUTH_FAILED, hdev, &ev, sizeof(ev), NULL);
2a611692 5988}
b312b161 5989
464996ae 5990void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
33ef95ed
JH		 5991{
5992 struct cmd_lookup match = { NULL, hdev };
464996ae 5993 bool changed;
33ef95ed
JH		 5994
5995 if (status) {
5996 u8 mgmt_err = mgmt_status(status);
5997 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
04124681 5998 cmd_status_rsp, &mgmt_err);
464996ae 5999 return;
33ef95ed
JH		 6000 }
6001
464996ae
MH		 6002 if (test_bit(HCI_AUTH, &hdev->flags))
6003 changed = !test_and_set_bit(HCI_LINK_SECURITY,
6004 &hdev->dev_flags);
6005 else
6006 changed = test_and_clear_bit(HCI_LINK_SECURITY,
6007 &hdev->dev_flags);
47990ea0 6008
33ef95ed 6009 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
04124681 6010 &match);
33ef95ed 6011
47990ea0 6012 if (changed)
464996ae 6013 new_settings(hdev, match.sk);
33ef95ed
JH		 6014
6015 if (match.sk)
6016 sock_put(match.sk);
33ef95ed
JH		 6017}
6018
890ea898 6019static void clear_eir(struct hci_request *req)
cacaf52f 6020{
890ea898 6021 struct hci_dev *hdev = req->hdev;
cacaf52f
JH		 6022 struct hci_cp_write_eir cp;
6023
976eb20e 6024 if (!lmp_ext_inq_capable(hdev))
890ea898 6025 return;
cacaf52f 6026
c80da27e
JH		 6027 memset(hdev->eir, 0, sizeof(hdev->eir));
6028
cacaf52f
JH		 6029 memset(&cp, 0, sizeof(cp));
6030
890ea898 6031 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
cacaf52f
JH		 6032}
6033
3e248560 6034void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
ed2c4ee3
JH		 6035{
6036 struct cmd_lookup match = { NULL, hdev };
890ea898 6037 struct hci_request req;
c0ecddc2 6038 bool changed = false;
ed2c4ee3
JH		 6039
6040 if (status) {
6041 u8 mgmt_err = mgmt_status(status);
c0ecddc2
JH		 6042
6043 if (enable && test_and_clear_bit(HCI_SSP_ENABLED,
9ecb3e24
MH		 6044 &hdev->dev_flags)) {
6045 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
3e248560 6046 new_settings(hdev, NULL);
9ecb3e24 6047 }
c0ecddc2 6048
04124681
GP		 6049 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
6050 &mgmt_err);
3e248560 6051 return;
c0ecddc2
JH		 6052 }
6053
6054 if (enable) {
9ecb3e24 6055 changed = !test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
c0ecddc2 6056 } else {
9ecb3e24
MH		 6057 changed = test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
6058 if (!changed)
6059 changed = test_and_clear_bit(HCI_HS_ENABLED,
6060 &hdev->dev_flags);
6061 else
6062 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
ed2c4ee3
JH		 6063 }
6064
6065 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
6066
c0ecddc2 6067 if (changed)
3e248560 6068 new_settings(hdev, match.sk);
ed2c4ee3 6069
5fc6ebb1 6070 if (match.sk)
ed2c4ee3
JH		 6071 sock_put(match.sk);
6072
890ea898
JH		 6073 hci_req_init(&req, hdev);
6074
3769972b
JH		 6075 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
6076 if (test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags))
6077 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
6078 sizeof(enable), &enable);
890ea898 6079 update_eir(&req);
3769972b 6080 } else {
890ea898 6081 clear_eir(&req);
3769972b 6082 }
890ea898
JH		 6083
6084 hci_req_run(&req, NULL);
ed2c4ee3
JH		 6085}
6086
eac83dc6
MH		 6087void mgmt_sc_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
6088{
6089 struct cmd_lookup match = { NULL, hdev };
6090 bool changed = false;
6091
6092 if (status) {
6093 u8 mgmt_err = mgmt_status(status);
6094
0ab04a9c
MH		 6095 if (enable) {
6096 if (test_and_clear_bit(HCI_SC_ENABLED,
6097 &hdev->dev_flags))
6098 new_settings(hdev, NULL);
6099 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6100 }
eac83dc6
MH		 6101
6102 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6103 cmd_status_rsp, &mgmt_err);
6104 return;
6105 }
6106
0ab04a9c 6107 if (enable) {
eac83dc6 6108 changed = !test_and_set_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c 6109 } else {
eac83dc6 6110 changed = test_and_clear_bit(HCI_SC_ENABLED, &hdev->dev_flags);
0ab04a9c
MH		 6111 clear_bit(HCI_SC_ONLY, &hdev->dev_flags);
6112 }
eac83dc6
MH		 6113
6114 mgmt_pending_foreach(MGMT_OP_SET_SECURE_CONN, hdev,
6115 settings_rsp, &match);
6116
6117 if (changed)
6118 new_settings(hdev, match.sk);
6119
6120 if (match.sk)
6121 sock_put(match.sk);
6122}
6123
92da6097 6124static void sk_lookup(struct pending_cmd *cmd, void *data)
90e70454
JH		 6125{
6126 struct cmd_lookup *match = data;
6127
90e70454
JH		 6128 if (match->sk == NULL) {
6129 match->sk = cmd->sk;
6130 sock_hold(match->sk);
6131 }
90e70454
JH		 6132}
6133
4e1b0245
MH		 6134void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
6135 u8 status)
7f9a903c 6136{
90e70454 6137 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
7f9a903c 6138
92da6097
JH		 6139 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
6140 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
6141 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
90e70454
JH		 6142
6143 if (!status)
4e1b0245
MH		 6144 mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3,
6145 NULL);
90e70454
JH		 6146
6147 if (match.sk)
6148 sock_put(match.sk);
7f9a903c
MH		 6149}
6150
7667da34 6151void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
b312b161 6152{
b312b161 6153 struct mgmt_cp_set_local_name ev;
13928971 6154 struct pending_cmd *cmd;
28cc7bde 6155
13928971 6156 if (status)
7667da34 6157 return;
b312b161
JH		 6158
6159 memset(&ev, 0, sizeof(ev));
6160 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
28cc7bde 6161 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
b312b161 6162
2e58ef3e 6163 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
13928971
JH		 6164 if (!cmd) {
6165 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
28cc7bde 6166
13928971
JH		 6167 /* If this is a HCI command related to powering on the
6168 * HCI dev don't send any mgmt signals.
6169 */
6170 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
7667da34 6171 return;
890ea898 6172 }
b312b161 6173
7667da34
MH		 6174 mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
6175 cmd ? cmd->sk : NULL);
b312b161 6176}
c35938b2 6177
4d2d2796
MH		 6178void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192,
6179 u8 *randomizer192, u8 *hash256,
6180 u8 *randomizer256, u8 status)
c35938b2
SJ		 6181{
6182 struct pending_cmd *cmd;
c35938b2 6183
744cf19e 6184 BT_DBG("%s status %u", hdev->name, status);
c35938b2 6185
2e58ef3e 6186 cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
c35938b2 6187 if (!cmd)
3edaf092 6188 return;
c35938b2
SJ		 6189
6190 if (status) {
3edaf092
MH		 6191 cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
6192 mgmt_status(status));
c35938b2 6193 } else {
4d2d2796
MH		 6194 if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
6195 hash256 && randomizer256) {
6196 struct mgmt_rp_read_local_oob_ext_data rp;
6197
6198 memcpy(rp.hash192, hash192, sizeof(rp.hash192));
6199 memcpy(rp.randomizer192, randomizer192,
6200 sizeof(rp.randomizer192));
c35938b2 6201
4d2d2796
MH		 6202 memcpy(rp.hash256, hash256, sizeof(rp.hash256));
6203 memcpy(rp.randomizer256, randomizer256,
6204 sizeof(rp.randomizer256));
c35938b2 6205
4d2d2796
MH		 6206 cmd_complete(cmd->sk, hdev->id,
6207 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6208 &rp, sizeof(rp));
6209 } else {
6210 struct mgmt_rp_read_local_oob_data rp;
6211
6212 memcpy(rp.hash, hash192, sizeof(rp.hash));
6213 memcpy(rp.randomizer, randomizer192,
6214 sizeof(rp.randomizer));
6215
6216 cmd_complete(cmd->sk, hdev->id,
6217 MGMT_OP_READ_LOCAL_OOB_DATA, 0,
6218 &rp, sizeof(rp));
6219 }
c35938b2
SJ		 6220 }
6221
6222 mgmt_pending_remove(cmd);
c35938b2 6223}
e17acd40 6224
901801b9 6225void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
73cf71d9
JH		 6226 u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name,
6227 u8 ssp, u8 *eir, u16 eir_len, u8 *scan_rsp,
5d2e9fad 6228 u8 scan_rsp_len)
e17acd40 6229{
e319d2e7
JH		 6230 char buf[512];
6231 struct mgmt_ev_device_found *ev = (void *) buf;
5cedbb8d 6232 struct smp_irk *irk;
1dc06093 6233 size_t ev_size;
e17acd40 6234
12602d0c 6235 if (!hci_discovery_active(hdev))
901801b9 6236 return;
12602d0c 6237
5d2e9fad
JH		 6238 /* Make sure that the buffer is big enough. The 5 extra bytes
6239 * are for the potential CoD field.
6240 */
6241 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
901801b9 6242 return;
7d262f86 6243
1dc06093
JH		 6244 memset(buf, 0, sizeof(buf));
6245
5cedbb8d
JH		 6246 irk = hci_get_irk(hdev, bdaddr, addr_type);
6247 if (irk) {
6248 bacpy(&ev->addr.bdaddr, &irk->bdaddr);
6249 ev->addr.type = link_to_bdaddr(link_type, irk->addr_type);
6250 } else {
6251 bacpy(&ev->addr.bdaddr, bdaddr);
6252 ev->addr.type = link_to_bdaddr(link_type, addr_type);
6253 }
6254
e319d2e7 6255 ev->rssi = rssi;
9a395a80 6256 if (cfm_name)
dcf4adbf 6257 ev->flags |= cpu_to_le32(MGMT_DEV_FOUND_CONFIRM_NAME);
388fc8fa 6258 if (!ssp)
dcf4adbf 6259 ev->flags |= cpu_to_le32(MGMT_DEV_FOUND_LEGACY_PAIRING);
e17acd40 6260
1dc06093 6261 if (eir_len > 0)
e319d2e7 6262 memcpy(ev->eir, eir, eir_len);
e17acd40 6263
1dc06093
JH		 6264 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
6265 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
04124681 6266 dev_class, 3);
1dc06093 6267
5d2e9fad
JH		 6268 if (scan_rsp_len > 0)
6269 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
6270
6271 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
6272 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
f8523598 6273
901801b9 6274 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
e17acd40 6275}
a88a9652 6276
9cf12aee
MH		 6277void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
6278 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
a88a9652 6279{
b644ba33
JH		 6280 struct mgmt_ev_device_found *ev;
6281 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
6282 u16 eir_len;
a88a9652 6283
b644ba33 6284 ev = (struct mgmt_ev_device_found *) buf;
a88a9652 6285
b644ba33
JH		 6286 memset(buf, 0, sizeof(buf));
6287
6288 bacpy(&ev->addr.bdaddr, bdaddr);
57c1477c 6289 ev->addr.type = link_to_bdaddr(link_type, addr_type);
b644ba33
JH		 6290 ev->rssi = rssi;
6291
6292 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
04124681 6293 name_len);
b644ba33 6294
eb55ef07 6295 ev->eir_len = cpu_to_le16(eir_len);
a88a9652 6296
9cf12aee 6297 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
a88a9652 6298}
314b2381 6299
2f1e063b 6300void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
314b2381 6301{
f963e8e9 6302 struct mgmt_ev_discovering ev;
164a6e78
JH		 6303 struct pending_cmd *cmd;
6304
343fb145
AG		 6305 BT_DBG("%s discovering %u", hdev->name, discovering);
6306
164a6e78 6307 if (discovering)
2e58ef3e 6308 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
164a6e78 6309 else
2e58ef3e 6310 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
164a6e78
JH		 6311
6312 if (cmd != NULL) {
f808e166
JH		 6313 u8 type = hdev->discovery.type;
6314
04124681
GP		 6315 cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0, &type,
6316 sizeof(type));
164a6e78
JH		 6317 mgmt_pending_remove(cmd);
6318 }
6319
f963e8e9
JH		 6320 memset(&ev, 0, sizeof(ev));
6321 ev.type = hdev->discovery.type;
6322 ev.discovering = discovering;
6323
2f1e063b 6324 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
314b2381 6325}
5e762444 6326
88c1fe4b 6327int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
5e762444
AJ		 6328{
6329 struct pending_cmd *cmd;
6330 struct mgmt_ev_device_blocked ev;
6331
2e58ef3e 6332 cmd = mgmt_pending_find(MGMT_OP_BLOCK_DEVICE, hdev);
5e762444 6333
88c1fe4b
JH		 6334 bacpy(&ev.addr.bdaddr, bdaddr);
6335 ev.addr.type = type;
5e762444 6336
744cf19e 6337 return mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &ev, sizeof(ev),
04124681 6338 cmd ? cmd->sk : NULL);
5e762444
AJ		 6339}
6340
88c1fe4b 6341int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
5e762444
AJ		 6342{
6343 struct pending_cmd *cmd;
6344 struct mgmt_ev_device_unblocked ev;
6345
2e58ef3e 6346 cmd = mgmt_pending_find(MGMT_OP_UNBLOCK_DEVICE, hdev);
5e762444 6347
88c1fe4b
JH		 6348 bacpy(&ev.addr.bdaddr, bdaddr);
6349 ev.addr.type = type;
5e762444 6350
744cf19e 6351 return mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &ev, sizeof(ev),
04124681 6352 cmd ? cmd->sk : NULL);
5e762444 6353}
5976e608
MH		 6354
6355static void adv_enable_complete(struct hci_dev *hdev, u8 status)
6356{
6357 BT_DBG("%s status %u", hdev->name, status);
6358
6359 /* Clear the advertising mgmt setting if we failed to re-enable it */
6360 if (status) {
6361 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
a6d811ed 6362 new_settings(hdev, NULL);
5976e608
MH		 6363 }
6364}
6365
6366void mgmt_reenable_advertising(struct hci_dev *hdev)
6367{
6368 struct hci_request req;
6369
b145edcd 6370 if (hci_conn_num(hdev, LE_LINK) > 0)
5976e608
MH		 6371 return;
6372
6373 if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags))
6374 return;
6375
6376 hci_req_init(&req, hdev);
6377 enable_advertising(&req);
6378
6379 /* If this fails we have no option but to let user space know
6380 * that we've disabled advertising.
6381 */
6382 if (hci_req_run(&req, adv_enable_complete) < 0) {
6383 clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
a6d811ed 6384 new_settings(hdev, NULL);
5976e608
MH		 6385 }
6386}
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