2 BlueZ - Bluetooth protocol stack for Linux
4 Copyright (C) 2010 Nokia Corporation
5 Copyright (C) 2011-2012 Intel Corporation
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;
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.
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.
25 /* Bluetooth HCI Management interface */
27 #include <linux/module.h>
28 #include <asm/unaligned.h>
30 #include <net/bluetooth/bluetooth.h>
31 #include <net/bluetooth/hci_core.h>
32 #include <net/bluetooth/hci_sock.h>
33 #include <net/bluetooth/l2cap.h>
34 #include <net/bluetooth/mgmt.h>
36 #include "hci_request.h"
38 #include "mgmt_util.h"
40 #define MGMT_VERSION 1
41 #define MGMT_REVISION 10
43 static const u16 mgmt_commands[] = {
44 MGMT_OP_READ_INDEX_LIST,
47 MGMT_OP_SET_DISCOVERABLE,
48 MGMT_OP_SET_CONNECTABLE,
49 MGMT_OP_SET_FAST_CONNECTABLE,
51 MGMT_OP_SET_LINK_SECURITY,
55 MGMT_OP_SET_DEV_CLASS,
56 MGMT_OP_SET_LOCAL_NAME,
59 MGMT_OP_LOAD_LINK_KEYS,
60 MGMT_OP_LOAD_LONG_TERM_KEYS,
62 MGMT_OP_GET_CONNECTIONS,
63 MGMT_OP_PIN_CODE_REPLY,
64 MGMT_OP_PIN_CODE_NEG_REPLY,
65 MGMT_OP_SET_IO_CAPABILITY,
67 MGMT_OP_CANCEL_PAIR_DEVICE,
68 MGMT_OP_UNPAIR_DEVICE,
69 MGMT_OP_USER_CONFIRM_REPLY,
70 MGMT_OP_USER_CONFIRM_NEG_REPLY,
71 MGMT_OP_USER_PASSKEY_REPLY,
72 MGMT_OP_USER_PASSKEY_NEG_REPLY,
73 MGMT_OP_READ_LOCAL_OOB_DATA,
74 MGMT_OP_ADD_REMOTE_OOB_DATA,
75 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
76 MGMT_OP_START_DISCOVERY,
77 MGMT_OP_STOP_DISCOVERY,
80 MGMT_OP_UNBLOCK_DEVICE,
81 MGMT_OP_SET_DEVICE_ID,
82 MGMT_OP_SET_ADVERTISING,
84 MGMT_OP_SET_STATIC_ADDRESS,
85 MGMT_OP_SET_SCAN_PARAMS,
86 MGMT_OP_SET_SECURE_CONN,
87 MGMT_OP_SET_DEBUG_KEYS,
90 MGMT_OP_GET_CONN_INFO,
91 MGMT_OP_GET_CLOCK_INFO,
93 MGMT_OP_REMOVE_DEVICE,
94 MGMT_OP_LOAD_CONN_PARAM,
95 MGMT_OP_READ_UNCONF_INDEX_LIST,
96 MGMT_OP_READ_CONFIG_INFO,
97 MGMT_OP_SET_EXTERNAL_CONFIG,
98 MGMT_OP_SET_PUBLIC_ADDRESS,
99 MGMT_OP_START_SERVICE_DISCOVERY,
100 MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
101 MGMT_OP_READ_EXT_INDEX_LIST,
102 MGMT_OP_READ_ADV_FEATURES,
103 MGMT_OP_ADD_ADVERTISING,
104 MGMT_OP_REMOVE_ADVERTISING,
107 static const u16 mgmt_events[] = {
108 MGMT_EV_CONTROLLER_ERROR,
110 MGMT_EV_INDEX_REMOVED,
111 MGMT_EV_NEW_SETTINGS,
112 MGMT_EV_CLASS_OF_DEV_CHANGED,
113 MGMT_EV_LOCAL_NAME_CHANGED,
114 MGMT_EV_NEW_LINK_KEY,
115 MGMT_EV_NEW_LONG_TERM_KEY,
116 MGMT_EV_DEVICE_CONNECTED,
117 MGMT_EV_DEVICE_DISCONNECTED,
118 MGMT_EV_CONNECT_FAILED,
119 MGMT_EV_PIN_CODE_REQUEST,
120 MGMT_EV_USER_CONFIRM_REQUEST,
121 MGMT_EV_USER_PASSKEY_REQUEST,
123 MGMT_EV_DEVICE_FOUND,
125 MGMT_EV_DEVICE_BLOCKED,
126 MGMT_EV_DEVICE_UNBLOCKED,
127 MGMT_EV_DEVICE_UNPAIRED,
128 MGMT_EV_PASSKEY_NOTIFY,
131 MGMT_EV_DEVICE_ADDED,
132 MGMT_EV_DEVICE_REMOVED,
133 MGMT_EV_NEW_CONN_PARAM,
134 MGMT_EV_UNCONF_INDEX_ADDED,
135 MGMT_EV_UNCONF_INDEX_REMOVED,
136 MGMT_EV_NEW_CONFIG_OPTIONS,
137 MGMT_EV_EXT_INDEX_ADDED,
138 MGMT_EV_EXT_INDEX_REMOVED,
139 MGMT_EV_LOCAL_OOB_DATA_UPDATED,
140 MGMT_EV_ADVERTISING_ADDED,
141 MGMT_EV_ADVERTISING_REMOVED,
144 static const u16 mgmt_untrusted_commands[] = {
145 MGMT_OP_READ_INDEX_LIST,
147 MGMT_OP_READ_UNCONF_INDEX_LIST,
148 MGMT_OP_READ_CONFIG_INFO,
149 MGMT_OP_READ_EXT_INDEX_LIST,
152 static const u16 mgmt_untrusted_events[] = {
154 MGMT_EV_INDEX_REMOVED,
155 MGMT_EV_NEW_SETTINGS,
156 MGMT_EV_CLASS_OF_DEV_CHANGED,
157 MGMT_EV_LOCAL_NAME_CHANGED,
158 MGMT_EV_UNCONF_INDEX_ADDED,
159 MGMT_EV_UNCONF_INDEX_REMOVED,
160 MGMT_EV_NEW_CONFIG_OPTIONS,
161 MGMT_EV_EXT_INDEX_ADDED,
162 MGMT_EV_EXT_INDEX_REMOVED,
165 #define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
167 #define ZERO_KEY "\x00\x00\x00\x00\x00\x00\x00\x00" \
168 "\x00\x00\x00\x00\x00\x00\x00\x00"
170 /* HCI to MGMT error code conversion table */
171 static u8 mgmt_status_table[] = {
173 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
174 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
175 MGMT_STATUS_FAILED, /* Hardware Failure */
176 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
177 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
178 MGMT_STATUS_AUTH_FAILED, /* PIN or Key Missing */
179 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
180 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
181 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
182 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
183 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
184 MGMT_STATUS_BUSY, /* Command Disallowed */
185 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
186 MGMT_STATUS_REJECTED, /* Rejected Security */
187 MGMT_STATUS_REJECTED, /* Rejected Personal */
188 MGMT_STATUS_TIMEOUT, /* Host Timeout */
189 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
190 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
191 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
192 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
193 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
194 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
195 MGMT_STATUS_BUSY, /* Repeated Attempts */
196 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
197 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
198 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
199 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
200 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
201 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
202 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
203 MGMT_STATUS_FAILED, /* Unspecified Error */
204 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
205 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
206 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
207 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
208 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
209 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
210 MGMT_STATUS_FAILED, /* Unit Link Key Used */
211 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
212 MGMT_STATUS_TIMEOUT, /* Instant Passed */
213 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
214 MGMT_STATUS_FAILED, /* Transaction Collision */
215 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
216 MGMT_STATUS_REJECTED, /* QoS Rejected */
217 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
218 MGMT_STATUS_REJECTED, /* Insufficient Security */
219 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
220 MGMT_STATUS_BUSY, /* Role Switch Pending */
221 MGMT_STATUS_FAILED, /* Slot Violation */
222 MGMT_STATUS_FAILED, /* Role Switch Failed */
223 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
224 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
225 MGMT_STATUS_BUSY, /* Host Busy Pairing */
226 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
227 MGMT_STATUS_BUSY, /* Controller Busy */
228 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
229 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
230 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
231 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
232 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
235 static u8 mgmt_status(u8 hci_status)
237 if (hci_status < ARRAY_SIZE(mgmt_status_table))
238 return mgmt_status_table[hci_status];
240 return MGMT_STATUS_FAILED;
243 static int mgmt_index_event(u16 event, struct hci_dev *hdev, void *data,
246 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
250 static int mgmt_limited_event(u16 event, struct hci_dev *hdev, void *data,
251 u16 len, int flag, struct sock *skip_sk)
253 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
257 static int mgmt_generic_event(u16 event, struct hci_dev *hdev, void *data,
258 u16 len, struct sock *skip_sk)
260 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
261 HCI_MGMT_GENERIC_EVENTS, skip_sk);
264 static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 len,
265 struct sock *skip_sk)
267 return mgmt_send_event(event, hdev, HCI_CHANNEL_CONTROL, data, len,
268 HCI_SOCK_TRUSTED, skip_sk);
271 static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
274 struct mgmt_rp_read_version rp;
276 BT_DBG("sock %p", sk);
278 rp.version = MGMT_VERSION;
279 rp.revision = cpu_to_le16(MGMT_REVISION);
281 return mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0,
285 static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
288 struct mgmt_rp_read_commands *rp;
289 u16 num_commands, num_events;
293 BT_DBG("sock %p", sk);
295 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
296 num_commands = ARRAY_SIZE(mgmt_commands);
297 num_events = ARRAY_SIZE(mgmt_events);
299 num_commands = ARRAY_SIZE(mgmt_untrusted_commands);
300 num_events = ARRAY_SIZE(mgmt_untrusted_events);
303 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
305 rp = kmalloc(rp_size, GFP_KERNEL);
309 rp->num_commands = cpu_to_le16(num_commands);
310 rp->num_events = cpu_to_le16(num_events);
312 if (hci_sock_test_flag(sk, HCI_SOCK_TRUSTED)) {
313 __le16 *opcode = rp->opcodes;
315 for (i = 0; i < num_commands; i++, opcode++)
316 put_unaligned_le16(mgmt_commands[i], opcode);
318 for (i = 0; i < num_events; i++, opcode++)
319 put_unaligned_le16(mgmt_events[i], opcode);
321 __le16 *opcode = rp->opcodes;
323 for (i = 0; i < num_commands; i++, opcode++)
324 put_unaligned_le16(mgmt_untrusted_commands[i], opcode);
326 for (i = 0; i < num_events; i++, opcode++)
327 put_unaligned_le16(mgmt_untrusted_events[i], opcode);
330 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0,
337 static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
340 struct mgmt_rp_read_index_list *rp;
346 BT_DBG("sock %p", sk);
348 read_lock(&hci_dev_list_lock);
351 list_for_each_entry(d, &hci_dev_list, list) {
352 if (d->dev_type == HCI_BREDR &&
353 !hci_dev_test_flag(d, HCI_UNCONFIGURED))
357 rp_len = sizeof(*rp) + (2 * count);
358 rp = kmalloc(rp_len, GFP_ATOMIC);
360 read_unlock(&hci_dev_list_lock);
365 list_for_each_entry(d, &hci_dev_list, list) {
366 if (hci_dev_test_flag(d, HCI_SETUP) ||
367 hci_dev_test_flag(d, HCI_CONFIG) ||
368 hci_dev_test_flag(d, HCI_USER_CHANNEL))
371 /* Devices marked as raw-only are neither configured
372 * nor unconfigured controllers.
374 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
377 if (d->dev_type == HCI_BREDR &&
378 !hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
379 rp->index[count++] = cpu_to_le16(d->id);
380 BT_DBG("Added hci%u", d->id);
384 rp->num_controllers = cpu_to_le16(count);
385 rp_len = sizeof(*rp) + (2 * count);
387 read_unlock(&hci_dev_list_lock);
389 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST,
397 static int read_unconf_index_list(struct sock *sk, struct hci_dev *hdev,
398 void *data, u16 data_len)
400 struct mgmt_rp_read_unconf_index_list *rp;
406 BT_DBG("sock %p", sk);
408 read_lock(&hci_dev_list_lock);
411 list_for_each_entry(d, &hci_dev_list, list) {
412 if (d->dev_type == HCI_BREDR &&
413 hci_dev_test_flag(d, HCI_UNCONFIGURED))
417 rp_len = sizeof(*rp) + (2 * count);
418 rp = kmalloc(rp_len, GFP_ATOMIC);
420 read_unlock(&hci_dev_list_lock);
425 list_for_each_entry(d, &hci_dev_list, list) {
426 if (hci_dev_test_flag(d, HCI_SETUP) ||
427 hci_dev_test_flag(d, HCI_CONFIG) ||
428 hci_dev_test_flag(d, HCI_USER_CHANNEL))
431 /* Devices marked as raw-only are neither configured
432 * nor unconfigured controllers.
434 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
437 if (d->dev_type == HCI_BREDR &&
438 hci_dev_test_flag(d, HCI_UNCONFIGURED)) {
439 rp->index[count++] = cpu_to_le16(d->id);
440 BT_DBG("Added hci%u", d->id);
444 rp->num_controllers = cpu_to_le16(count);
445 rp_len = sizeof(*rp) + (2 * count);
447 read_unlock(&hci_dev_list_lock);
449 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
450 MGMT_OP_READ_UNCONF_INDEX_LIST, 0, rp, rp_len);
457 static int read_ext_index_list(struct sock *sk, struct hci_dev *hdev,
458 void *data, u16 data_len)
460 struct mgmt_rp_read_ext_index_list *rp;
466 BT_DBG("sock %p", sk);
468 read_lock(&hci_dev_list_lock);
471 list_for_each_entry(d, &hci_dev_list, list) {
472 if (d->dev_type == HCI_BREDR || d->dev_type == HCI_AMP)
476 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
477 rp = kmalloc(rp_len, GFP_ATOMIC);
479 read_unlock(&hci_dev_list_lock);
484 list_for_each_entry(d, &hci_dev_list, list) {
485 if (hci_dev_test_flag(d, HCI_SETUP) ||
486 hci_dev_test_flag(d, HCI_CONFIG) ||
487 hci_dev_test_flag(d, HCI_USER_CHANNEL))
490 /* Devices marked as raw-only are neither configured
491 * nor unconfigured controllers.
493 if (test_bit(HCI_QUIRK_RAW_DEVICE, &d->quirks))
496 if (d->dev_type == HCI_BREDR) {
497 if (hci_dev_test_flag(d, HCI_UNCONFIGURED))
498 rp->entry[count].type = 0x01;
500 rp->entry[count].type = 0x00;
501 } else if (d->dev_type == HCI_AMP) {
502 rp->entry[count].type = 0x02;
507 rp->entry[count].bus = d->bus;
508 rp->entry[count++].index = cpu_to_le16(d->id);
509 BT_DBG("Added hci%u", d->id);
512 rp->num_controllers = cpu_to_le16(count);
513 rp_len = sizeof(*rp) + (sizeof(rp->entry[0]) * count);
515 read_unlock(&hci_dev_list_lock);
517 /* If this command is called at least once, then all the
518 * default index and unconfigured index events are disabled
519 * and from now on only extended index events are used.
521 hci_sock_set_flag(sk, HCI_MGMT_EXT_INDEX_EVENTS);
522 hci_sock_clear_flag(sk, HCI_MGMT_INDEX_EVENTS);
523 hci_sock_clear_flag(sk, HCI_MGMT_UNCONF_INDEX_EVENTS);
525 err = mgmt_cmd_complete(sk, MGMT_INDEX_NONE,
526 MGMT_OP_READ_EXT_INDEX_LIST, 0, rp, rp_len);
533 static bool is_configured(struct hci_dev *hdev)
535 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
536 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
539 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
540 !bacmp(&hdev->public_addr, BDADDR_ANY))
546 static __le32 get_missing_options(struct hci_dev *hdev)
550 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) &&
551 !hci_dev_test_flag(hdev, HCI_EXT_CONFIGURED))
552 options |= MGMT_OPTION_EXTERNAL_CONFIG;
554 if (test_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks) &&
555 !bacmp(&hdev->public_addr, BDADDR_ANY))
556 options |= MGMT_OPTION_PUBLIC_ADDRESS;
558 return cpu_to_le32(options);
561 static int new_options(struct hci_dev *hdev, struct sock *skip)
563 __le32 options = get_missing_options(hdev);
565 return mgmt_generic_event(MGMT_EV_NEW_CONFIG_OPTIONS, hdev, &options,
566 sizeof(options), skip);
569 static int send_options_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
571 __le32 options = get_missing_options(hdev);
573 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &options,
577 static int read_config_info(struct sock *sk, struct hci_dev *hdev,
578 void *data, u16 data_len)
580 struct mgmt_rp_read_config_info rp;
583 BT_DBG("sock %p %s", sk, hdev->name);
587 memset(&rp, 0, sizeof(rp));
588 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
590 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
591 options |= MGMT_OPTION_EXTERNAL_CONFIG;
593 if (hdev->set_bdaddr)
594 options |= MGMT_OPTION_PUBLIC_ADDRESS;
596 rp.supported_options = cpu_to_le32(options);
597 rp.missing_options = get_missing_options(hdev);
599 hci_dev_unlock(hdev);
601 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_CONFIG_INFO, 0,
605 static u32 get_supported_settings(struct hci_dev *hdev)
609 settings |= MGMT_SETTING_POWERED;
610 settings |= MGMT_SETTING_BONDABLE;
611 settings |= MGMT_SETTING_DEBUG_KEYS;
612 settings |= MGMT_SETTING_CONNECTABLE;
613 settings |= MGMT_SETTING_DISCOVERABLE;
615 if (lmp_bredr_capable(hdev)) {
616 if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
617 settings |= MGMT_SETTING_FAST_CONNECTABLE;
618 settings |= MGMT_SETTING_BREDR;
619 settings |= MGMT_SETTING_LINK_SECURITY;
621 if (lmp_ssp_capable(hdev)) {
622 settings |= MGMT_SETTING_SSP;
623 settings |= MGMT_SETTING_HS;
626 if (lmp_sc_capable(hdev))
627 settings |= MGMT_SETTING_SECURE_CONN;
630 if (lmp_le_capable(hdev)) {
631 settings |= MGMT_SETTING_LE;
632 settings |= MGMT_SETTING_ADVERTISING;
633 settings |= MGMT_SETTING_SECURE_CONN;
634 settings |= MGMT_SETTING_PRIVACY;
635 settings |= MGMT_SETTING_STATIC_ADDRESS;
638 if (test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks) ||
640 settings |= MGMT_SETTING_CONFIGURATION;
645 static u32 get_current_settings(struct hci_dev *hdev)
649 if (hdev_is_powered(hdev))
650 settings |= MGMT_SETTING_POWERED;
652 if (hci_dev_test_flag(hdev, HCI_CONNECTABLE))
653 settings |= MGMT_SETTING_CONNECTABLE;
655 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
656 settings |= MGMT_SETTING_FAST_CONNECTABLE;
658 if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
659 settings |= MGMT_SETTING_DISCOVERABLE;
661 if (hci_dev_test_flag(hdev, HCI_BONDABLE))
662 settings |= MGMT_SETTING_BONDABLE;
664 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
665 settings |= MGMT_SETTING_BREDR;
667 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED))
668 settings |= MGMT_SETTING_LE;
670 if (hci_dev_test_flag(hdev, HCI_LINK_SECURITY))
671 settings |= MGMT_SETTING_LINK_SECURITY;
673 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
674 settings |= MGMT_SETTING_SSP;
676 if (hci_dev_test_flag(hdev, HCI_HS_ENABLED))
677 settings |= MGMT_SETTING_HS;
679 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
680 settings |= MGMT_SETTING_ADVERTISING;
682 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED))
683 settings |= MGMT_SETTING_SECURE_CONN;
685 if (hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS))
686 settings |= MGMT_SETTING_DEBUG_KEYS;
688 if (hci_dev_test_flag(hdev, HCI_PRIVACY))
689 settings |= MGMT_SETTING_PRIVACY;
691 /* The current setting for static address has two purposes. The
692 * first is to indicate if the static address will be used and
693 * the second is to indicate if it is actually set.
695 * This means if the static address is not configured, this flag
696 * will never be set. If the address is configured, then if the
697 * address is actually used decides if the flag is set or not.
699 * For single mode LE only controllers and dual-mode controllers
700 * with BR/EDR disabled, the existence of the static address will
703 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
704 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
705 !bacmp(&hdev->bdaddr, BDADDR_ANY)) {
706 if (bacmp(&hdev->static_addr, BDADDR_ANY))
707 settings |= MGMT_SETTING_STATIC_ADDRESS;
713 #define PNP_INFO_SVCLASS_ID 0x1200
715 static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
717 u8 *ptr = data, *uuids_start = NULL;
718 struct bt_uuid *uuid;
723 list_for_each_entry(uuid, &hdev->uuids, list) {
726 if (uuid->size != 16)
729 uuid16 = get_unaligned_le16(&uuid->uuid[12]);
733 if (uuid16 == PNP_INFO_SVCLASS_ID)
739 uuids_start[1] = EIR_UUID16_ALL;
743 /* Stop if not enough space to put next UUID */
744 if ((ptr - data) + sizeof(u16) > len) {
745 uuids_start[1] = EIR_UUID16_SOME;
749 *ptr++ = (uuid16 & 0x00ff);
750 *ptr++ = (uuid16 & 0xff00) >> 8;
751 uuids_start[0] += sizeof(uuid16);
757 static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
759 u8 *ptr = data, *uuids_start = NULL;
760 struct bt_uuid *uuid;
765 list_for_each_entry(uuid, &hdev->uuids, list) {
766 if (uuid->size != 32)
772 uuids_start[1] = EIR_UUID32_ALL;
776 /* Stop if not enough space to put next UUID */
777 if ((ptr - data) + sizeof(u32) > len) {
778 uuids_start[1] = EIR_UUID32_SOME;
782 memcpy(ptr, &uuid->uuid[12], sizeof(u32));
784 uuids_start[0] += sizeof(u32);
790 static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len)
792 u8 *ptr = data, *uuids_start = NULL;
793 struct bt_uuid *uuid;
798 list_for_each_entry(uuid, &hdev->uuids, list) {
799 if (uuid->size != 128)
805 uuids_start[1] = EIR_UUID128_ALL;
809 /* Stop if not enough space to put next UUID */
810 if ((ptr - data) + 16 > len) {
811 uuids_start[1] = EIR_UUID128_SOME;
815 memcpy(ptr, uuid->uuid, 16);
817 uuids_start[0] += 16;
823 static struct mgmt_pending_cmd *pending_find(u16 opcode, struct hci_dev *hdev)
825 return mgmt_pending_find(HCI_CHANNEL_CONTROL, opcode, hdev);
828 static struct mgmt_pending_cmd *pending_find_data(u16 opcode,
829 struct hci_dev *hdev,
832 return mgmt_pending_find_data(HCI_CHANNEL_CONTROL, opcode, hdev, data);
835 static u8 get_current_adv_instance(struct hci_dev *hdev)
837 /* The "Set Advertising" setting supersedes the "Add Advertising"
838 * setting. Here we set the advertising data based on which
839 * setting was set. When neither apply, default to the global settings,
840 * represented by instance "0".
842 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
843 !hci_dev_test_flag(hdev, HCI_ADVERTISING))
844 return hdev->cur_adv_instance;
849 static u8 create_default_scan_rsp_data(struct hci_dev *hdev, u8 *ptr)
854 name_len = strlen(hdev->dev_name);
856 size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
858 if (name_len > max_len) {
860 ptr[1] = EIR_NAME_SHORT;
862 ptr[1] = EIR_NAME_COMPLETE;
864 ptr[0] = name_len + 1;
866 memcpy(ptr + 2, hdev->dev_name, name_len);
868 ad_len += (name_len + 2);
869 ptr += (name_len + 2);
875 static u8 create_instance_scan_rsp_data(struct hci_dev *hdev, u8 instance,
878 struct adv_info *adv_instance;
880 adv_instance = hci_find_adv_instance(hdev, instance);
884 /* TODO: Set the appropriate entries based on advertising instance flags
885 * here once flags other than 0 are supported.
887 memcpy(ptr, adv_instance->scan_rsp_data,
888 adv_instance->scan_rsp_len);
890 return adv_instance->scan_rsp_len;
893 static void update_inst_scan_rsp_data(struct hci_request *req, u8 instance)
895 struct hci_dev *hdev = req->hdev;
896 struct hci_cp_le_set_scan_rsp_data cp;
899 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
902 memset(&cp, 0, sizeof(cp));
905 len = create_instance_scan_rsp_data(hdev, instance, cp.data);
907 len = create_default_scan_rsp_data(hdev, cp.data);
909 if (hdev->scan_rsp_data_len == len &&
910 !memcmp(cp.data, hdev->scan_rsp_data, len))
913 memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data));
914 hdev->scan_rsp_data_len = len;
918 hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp);
921 static void update_scan_rsp_data(struct hci_request *req)
923 update_inst_scan_rsp_data(req, get_current_adv_instance(req->hdev));
926 static u8 get_adv_discov_flags(struct hci_dev *hdev)
928 struct mgmt_pending_cmd *cmd;
930 /* If there's a pending mgmt command the flags will not yet have
931 * their final values, so check for this first.
933 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
935 struct mgmt_mode *cp = cmd->param;
937 return LE_AD_GENERAL;
938 else if (cp->val == 0x02)
939 return LE_AD_LIMITED;
941 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
942 return LE_AD_LIMITED;
943 else if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
944 return LE_AD_GENERAL;
950 static bool get_connectable(struct hci_dev *hdev)
952 struct mgmt_pending_cmd *cmd;
954 /* If there's a pending mgmt command the flag will not yet have
955 * it's final value, so check for this first.
957 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
959 struct mgmt_mode *cp = cmd->param;
964 return hci_dev_test_flag(hdev, HCI_CONNECTABLE);
967 static u32 get_adv_instance_flags(struct hci_dev *hdev, u8 instance)
970 struct adv_info *adv_instance;
972 if (instance == 0x00) {
973 /* Instance 0 always manages the "Tx Power" and "Flags"
976 flags = MGMT_ADV_FLAG_TX_POWER | MGMT_ADV_FLAG_MANAGED_FLAGS;
978 /* For instance 0, the HCI_ADVERTISING_CONNECTABLE setting
979 * corresponds to the "connectable" instance flag.
981 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE))
982 flags |= MGMT_ADV_FLAG_CONNECTABLE;
987 adv_instance = hci_find_adv_instance(hdev, instance);
989 /* Return 0 when we got an invalid instance identifier. */
993 return adv_instance->flags;
996 static u8 get_cur_adv_instance_scan_rsp_len(struct hci_dev *hdev)
998 u8 instance = get_current_adv_instance(hdev);
999 struct adv_info *adv_instance;
1001 /* Ignore instance 0 */
1002 if (instance == 0x00)
1005 adv_instance = hci_find_adv_instance(hdev, instance);
1009 /* TODO: Take into account the "appearance" and "local-name" flags here.
1010 * These are currently being ignored as they are not supported.
1012 return adv_instance->scan_rsp_len;
1015 static u8 create_instance_adv_data(struct hci_dev *hdev, u8 instance, u8 *ptr)
1017 struct adv_info *adv_instance = NULL;
1018 u8 ad_len = 0, flags = 0;
1021 /* Return 0 when the current instance identifier is invalid. */
1023 adv_instance = hci_find_adv_instance(hdev, instance);
1028 instance_flags = get_adv_instance_flags(hdev, instance);
1030 /* The Add Advertising command allows userspace to set both the general
1031 * and limited discoverable flags.
1033 if (instance_flags & MGMT_ADV_FLAG_DISCOV)
1034 flags |= LE_AD_GENERAL;
1036 if (instance_flags & MGMT_ADV_FLAG_LIMITED_DISCOV)
1037 flags |= LE_AD_LIMITED;
1039 if (flags || (instance_flags & MGMT_ADV_FLAG_MANAGED_FLAGS)) {
1040 /* If a discovery flag wasn't provided, simply use the global
1044 flags |= get_adv_discov_flags(hdev);
1046 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
1047 flags |= LE_AD_NO_BREDR;
1049 /* If flags would still be empty, then there is no need to
1050 * include the "Flags" AD field".
1063 memcpy(ptr, adv_instance->adv_data,
1064 adv_instance->adv_data_len);
1065 ad_len += adv_instance->adv_data_len;
1066 ptr += adv_instance->adv_data_len;
1069 /* Provide Tx Power only if we can provide a valid value for it */
1070 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID &&
1071 (instance_flags & MGMT_ADV_FLAG_TX_POWER)) {
1073 ptr[1] = EIR_TX_POWER;
1074 ptr[2] = (u8)hdev->adv_tx_power;
1083 static void update_inst_adv_data(struct hci_request *req, u8 instance)
1085 struct hci_dev *hdev = req->hdev;
1086 struct hci_cp_le_set_adv_data cp;
1089 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
1092 memset(&cp, 0, sizeof(cp));
1094 len = create_instance_adv_data(hdev, instance, cp.data);
1096 /* There's nothing to do if the data hasn't changed */
1097 if (hdev->adv_data_len == len &&
1098 memcmp(cp.data, hdev->adv_data, len) == 0)
1101 memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
1102 hdev->adv_data_len = len;
1106 hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
1109 static void update_adv_data(struct hci_request *req)
1111 update_inst_adv_data(req, get_current_adv_instance(req->hdev));
1114 int mgmt_update_adv_data(struct hci_dev *hdev)
1116 struct hci_request req;
1118 hci_req_init(&req, hdev);
1119 update_adv_data(&req);
1121 return hci_req_run(&req, NULL);
1124 static void create_eir(struct hci_dev *hdev, u8 *data)
1129 name_len = strlen(hdev->dev_name);
1133 if (name_len > 48) {
1135 ptr[1] = EIR_NAME_SHORT;
1137 ptr[1] = EIR_NAME_COMPLETE;
1139 /* EIR Data length */
1140 ptr[0] = name_len + 1;
1142 memcpy(ptr + 2, hdev->dev_name, name_len);
1144 ptr += (name_len + 2);
1147 if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) {
1149 ptr[1] = EIR_TX_POWER;
1150 ptr[2] = (u8) hdev->inq_tx_power;
1155 if (hdev->devid_source > 0) {
1157 ptr[1] = EIR_DEVICE_ID;
1159 put_unaligned_le16(hdev->devid_source, ptr + 2);
1160 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
1161 put_unaligned_le16(hdev->devid_product, ptr + 6);
1162 put_unaligned_le16(hdev->devid_version, ptr + 8);
1167 ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
1168 ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
1169 ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
1172 static void update_eir(struct hci_request *req)
1174 struct hci_dev *hdev = req->hdev;
1175 struct hci_cp_write_eir cp;
1177 if (!hdev_is_powered(hdev))
1180 if (!lmp_ext_inq_capable(hdev))
1183 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
1186 if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
1189 memset(&cp, 0, sizeof(cp));
1191 create_eir(hdev, cp.data);
1193 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
1196 memcpy(hdev->eir, cp.data, sizeof(cp.data));
1198 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
1201 static u8 get_service_classes(struct hci_dev *hdev)
1203 struct bt_uuid *uuid;
1206 list_for_each_entry(uuid, &hdev->uuids, list)
1207 val |= uuid->svc_hint;
1212 static void update_class(struct hci_request *req)
1214 struct hci_dev *hdev = req->hdev;
1217 BT_DBG("%s", hdev->name);
1219 if (!hdev_is_powered(hdev))
1222 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
1225 if (hci_dev_test_flag(hdev, HCI_SERVICE_CACHE))
1228 cod[0] = hdev->minor_class;
1229 cod[1] = hdev->major_class;
1230 cod[2] = get_service_classes(hdev);
1232 if (hci_dev_test_flag(hdev, HCI_LIMITED_DISCOVERABLE))
1235 if (memcmp(cod, hdev->dev_class, 3) == 0)
1238 hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
1241 static void disable_advertising(struct hci_request *req)
1245 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1248 static void enable_advertising(struct hci_request *req)
1250 struct hci_dev *hdev = req->hdev;
1251 struct hci_cp_le_set_adv_param cp;
1252 u8 own_addr_type, enable = 0x01;
1257 if (hci_conn_num(hdev, LE_LINK) > 0)
1260 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
1261 disable_advertising(req);
1263 /* Clear the HCI_LE_ADV bit temporarily so that the
1264 * hci_update_random_address knows that it's safe to go ahead
1265 * and write a new random address. The flag will be set back on
1266 * as soon as the SET_ADV_ENABLE HCI command completes.
1268 hci_dev_clear_flag(hdev, HCI_LE_ADV);
1270 instance = get_current_adv_instance(hdev);
1271 flags = get_adv_instance_flags(hdev, instance);
1273 /* If the "connectable" instance flag was not set, then choose between
1274 * ADV_IND and ADV_NONCONN_IND based on the global connectable setting.
1276 connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE) ||
1277 get_connectable(hdev);
1279 /* Set require_privacy to true only when non-connectable
1280 * advertising is used. In that case it is fine to use a
1281 * non-resolvable private address.
1283 if (hci_update_random_address(req, !connectable, &own_addr_type) < 0)
1286 memset(&cp, 0, sizeof(cp));
1287 cp.min_interval = cpu_to_le16(hdev->le_adv_min_interval);
1288 cp.max_interval = cpu_to_le16(hdev->le_adv_max_interval);
1291 cp.type = LE_ADV_IND;
1292 else if (get_cur_adv_instance_scan_rsp_len(hdev))
1293 cp.type = LE_ADV_SCAN_IND;
1295 cp.type = LE_ADV_NONCONN_IND;
1297 cp.own_address_type = own_addr_type;
1298 cp.channel_map = hdev->le_adv_channel_map;
1300 hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp);
1302 hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable);
1305 static void service_cache_off(struct work_struct *work)
1307 struct hci_dev *hdev = container_of(work, struct hci_dev,
1308 service_cache.work);
1309 struct hci_request req;
1311 if (!hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE))
1314 hci_req_init(&req, hdev);
1321 hci_dev_unlock(hdev);
1323 hci_req_run(&req, NULL);
1326 static void rpa_expired(struct work_struct *work)
1328 struct hci_dev *hdev = container_of(work, struct hci_dev,
1330 struct hci_request req;
1334 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
1336 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING))
1339 /* The generation of a new RPA and programming it into the
1340 * controller happens in the enable_advertising() function.
1342 hci_req_init(&req, hdev);
1343 enable_advertising(&req);
1344 hci_req_run(&req, NULL);
1347 static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
1349 if (hci_dev_test_and_set_flag(hdev, HCI_MGMT))
1352 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
1353 INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
1355 /* Non-mgmt controlled devices get this bit set
1356 * implicitly so that pairing works for them, however
1357 * for mgmt we require user-space to explicitly enable
1360 hci_dev_clear_flag(hdev, HCI_BONDABLE);
1363 static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
1364 void *data, u16 data_len)
1366 struct mgmt_rp_read_info rp;
1368 BT_DBG("sock %p %s", sk, hdev->name);
1372 memset(&rp, 0, sizeof(rp));
1374 bacpy(&rp.bdaddr, &hdev->bdaddr);
1376 rp.version = hdev->hci_ver;
1377 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
1379 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
1380 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
1382 memcpy(rp.dev_class, hdev->dev_class, 3);
1384 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
1385 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
1387 hci_dev_unlock(hdev);
1389 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
1393 static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
1395 __le32 settings = cpu_to_le32(get_current_settings(hdev));
1397 return mgmt_cmd_complete(sk, hdev->id, opcode, 0, &settings,
1401 static void clean_up_hci_complete(struct hci_dev *hdev, u8 status, u16 opcode)
1403 BT_DBG("%s status 0x%02x", hdev->name, status);
1405 if (hci_conn_count(hdev) == 0) {
1406 cancel_delayed_work(&hdev->power_off);
1407 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1411 static bool hci_stop_discovery(struct hci_request *req)
1413 struct hci_dev *hdev = req->hdev;
1414 struct hci_cp_remote_name_req_cancel cp;
1415 struct inquiry_entry *e;
1417 switch (hdev->discovery.state) {
1418 case DISCOVERY_FINDING:
1419 if (test_bit(HCI_INQUIRY, &hdev->flags))
1420 hci_req_add(req, HCI_OP_INQUIRY_CANCEL, 0, NULL);
1422 if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
1423 cancel_delayed_work(&hdev->le_scan_disable);
1424 hci_req_add_le_scan_disable(req);
1429 case DISCOVERY_RESOLVING:
1430 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
1435 bacpy(&cp.bdaddr, &e->data.bdaddr);
1436 hci_req_add(req, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp),
1442 /* Passive scanning */
1443 if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
1444 hci_req_add_le_scan_disable(req);
1454 static void advertising_added(struct sock *sk, struct hci_dev *hdev,
1457 struct mgmt_ev_advertising_added ev;
1459 ev.instance = instance;
1461 mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk);
1464 static void advertising_removed(struct sock *sk, struct hci_dev *hdev,
1467 struct mgmt_ev_advertising_removed ev;
1469 ev.instance = instance;
1471 mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk);
1474 static int schedule_adv_instance(struct hci_request *req, u8 instance,
1476 struct hci_dev *hdev = req->hdev;
1477 struct adv_info *adv_instance = NULL;
1480 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
1481 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
1484 if (hdev->adv_instance_timeout)
1487 adv_instance = hci_find_adv_instance(hdev, instance);
1491 /* A zero timeout means unlimited advertising. As long as there is
1492 * only one instance, duration should be ignored. We still set a timeout
1493 * in case further instances are being added later on.
1495 * If the remaining lifetime of the instance is more than the duration
1496 * then the timeout corresponds to the duration, otherwise it will be
1497 * reduced to the remaining instance lifetime.
1499 if (adv_instance->timeout == 0 ||
1500 adv_instance->duration <= adv_instance->remaining_time)
1501 timeout = adv_instance->duration;
1503 timeout = adv_instance->remaining_time;
1505 /* The remaining time is being reduced unless the instance is being
1506 * advertised without time limit.
1508 if (adv_instance->timeout)
1509 adv_instance->remaining_time =
1510 adv_instance->remaining_time - timeout;
1512 hdev->adv_instance_timeout = timeout;
1513 queue_delayed_work(hdev->workqueue,
1514 &hdev->adv_instance_expire,
1515 msecs_to_jiffies(timeout * 1000));
1517 /* If we're just re-scheduling the same instance again then do not
1518 * execute any HCI commands. This happens when a single instance is
1521 if (!force && hdev->cur_adv_instance == instance &&
1522 hci_dev_test_flag(hdev, HCI_LE_ADV))
1525 hdev->cur_adv_instance = instance;
1526 update_adv_data(req);
1527 update_scan_rsp_data(req);
1528 enable_advertising(req);
1533 static void cancel_adv_timeout(struct hci_dev *hdev)
1535 if (hdev->adv_instance_timeout) {
1536 hdev->adv_instance_timeout = 0;
1537 cancel_delayed_work(&hdev->adv_instance_expire);
1541 /* For a single instance:
1542 * - force == true: The instance will be removed even when its remaining
1543 * lifetime is not zero.
1544 * - force == false: the instance will be deactivated but kept stored unless
1545 * the remaining lifetime is zero.
1547 * For instance == 0x00:
1548 * - force == true: All instances will be removed regardless of their timeout
1550 * - force == false: Only instances that have a timeout will be removed.
1552 static void clear_adv_instance(struct hci_dev *hdev, struct hci_request *req,
1553 u8 instance, bool force)
1555 struct adv_info *adv_instance, *n, *next_instance = NULL;
1559 /* Cancel any timeout concerning the removed instance(s). */
1560 if (!instance || hdev->cur_adv_instance == instance)
1561 cancel_adv_timeout(hdev);
1563 /* Get the next instance to advertise BEFORE we remove
1564 * the current one. This can be the same instance again
1565 * if there is only one instance.
1567 if (instance && hdev->cur_adv_instance == instance)
1568 next_instance = hci_get_next_instance(hdev, instance);
1570 if (instance == 0x00) {
1571 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances,
1573 if (!(force || adv_instance->timeout))
1576 rem_inst = adv_instance->instance;
1577 err = hci_remove_adv_instance(hdev, rem_inst);
1579 advertising_removed(NULL, hdev, rem_inst);
1581 hdev->cur_adv_instance = 0x00;
1583 adv_instance = hci_find_adv_instance(hdev, instance);
1585 if (force || (adv_instance && adv_instance->timeout &&
1586 !adv_instance->remaining_time)) {
1587 /* Don't advertise a removed instance. */
1588 if (next_instance &&
1589 next_instance->instance == instance)
1590 next_instance = NULL;
1592 err = hci_remove_adv_instance(hdev, instance);
1594 advertising_removed(NULL, hdev, instance);
1598 if (list_empty(&hdev->adv_instances)) {
1599 hdev->cur_adv_instance = 0x00;
1600 hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
1603 if (!req || !hdev_is_powered(hdev) ||
1604 hci_dev_test_flag(hdev, HCI_ADVERTISING))
1608 schedule_adv_instance(req, next_instance->instance, false);
1611 static int clean_up_hci_state(struct hci_dev *hdev)
1613 struct hci_request req;
1614 struct hci_conn *conn;
1615 bool discov_stopped;
1618 hci_req_init(&req, hdev);
1620 if (test_bit(HCI_ISCAN, &hdev->flags) ||
1621 test_bit(HCI_PSCAN, &hdev->flags)) {
1623 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1626 clear_adv_instance(hdev, NULL, 0x00, false);
1628 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
1629 disable_advertising(&req);
1631 discov_stopped = hci_stop_discovery(&req);
1633 list_for_each_entry(conn, &hdev->conn_hash.list, list) {
1634 struct hci_cp_disconnect dc;
1635 struct hci_cp_reject_conn_req rej;
1637 switch (conn->state) {
1640 dc.handle = cpu_to_le16(conn->handle);
1641 dc.reason = 0x15; /* Terminated due to Power Off */
1642 hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1645 if (conn->type == LE_LINK)
1646 hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL,
1648 else if (conn->type == ACL_LINK)
1649 hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL,
1653 bacpy(&rej.bdaddr, &conn->dst);
1654 rej.reason = 0x15; /* Terminated due to Power Off */
1655 if (conn->type == ACL_LINK)
1656 hci_req_add(&req, HCI_OP_REJECT_CONN_REQ,
1658 else if (conn->type == SCO_LINK)
1659 hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ,
1665 err = hci_req_run(&req, clean_up_hci_complete);
1666 if (!err && discov_stopped)
1667 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
1672 static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
1675 struct mgmt_mode *cp = data;
1676 struct mgmt_pending_cmd *cmd;
1679 BT_DBG("request for %s", hdev->name);
1681 if (cp->val != 0x00 && cp->val != 0x01)
1682 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1683 MGMT_STATUS_INVALID_PARAMS);
1687 if (pending_find(MGMT_OP_SET_POWERED, hdev)) {
1688 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
1693 if (hci_dev_test_and_clear_flag(hdev, HCI_AUTO_OFF)) {
1694 cancel_delayed_work(&hdev->power_off);
1697 mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev,
1699 err = mgmt_powered(hdev, 1);
1704 if (!!cp->val == hdev_is_powered(hdev)) {
1705 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
1709 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
1716 queue_work(hdev->req_workqueue, &hdev->power_on);
1719 /* Disconnect connections, stop scans, etc */
1720 err = clean_up_hci_state(hdev);
1722 queue_delayed_work(hdev->req_workqueue, &hdev->power_off,
1723 HCI_POWER_OFF_TIMEOUT);
1725 /* ENODATA means there were no HCI commands queued */
1726 if (err == -ENODATA) {
1727 cancel_delayed_work(&hdev->power_off);
1728 queue_work(hdev->req_workqueue, &hdev->power_off.work);
1734 hci_dev_unlock(hdev);
1738 static int new_settings(struct hci_dev *hdev, struct sock *skip)
1740 __le32 ev = cpu_to_le32(get_current_settings(hdev));
1742 return mgmt_generic_event(MGMT_EV_NEW_SETTINGS, hdev, &ev,
1746 int mgmt_new_settings(struct hci_dev *hdev)
1748 return new_settings(hdev, NULL);
1753 struct hci_dev *hdev;
1757 static void settings_rsp(struct mgmt_pending_cmd *cmd, void *data)
1759 struct cmd_lookup *match = data;
1761 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
1763 list_del(&cmd->list);
1765 if (match->sk == NULL) {
1766 match->sk = cmd->sk;
1767 sock_hold(match->sk);
1770 mgmt_pending_free(cmd);
1773 static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data)
1777 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
1778 mgmt_pending_remove(cmd);
1781 static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data)
1783 if (cmd->cmd_complete) {
1786 cmd->cmd_complete(cmd, *status);
1787 mgmt_pending_remove(cmd);
1792 cmd_status_rsp(cmd, data);
1795 static int generic_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
1797 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1798 cmd->param, cmd->param_len);
1801 static int addr_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
1803 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
1804 cmd->param, sizeof(struct mgmt_addr_info));
1807 static u8 mgmt_bredr_support(struct hci_dev *hdev)
1809 if (!lmp_bredr_capable(hdev))
1810 return MGMT_STATUS_NOT_SUPPORTED;
1811 else if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
1812 return MGMT_STATUS_REJECTED;
1814 return MGMT_STATUS_SUCCESS;
1817 static u8 mgmt_le_support(struct hci_dev *hdev)
1819 if (!lmp_le_capable(hdev))
1820 return MGMT_STATUS_NOT_SUPPORTED;
1821 else if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
1822 return MGMT_STATUS_REJECTED;
1824 return MGMT_STATUS_SUCCESS;
1827 static void set_discoverable_complete(struct hci_dev *hdev, u8 status,
1830 struct mgmt_pending_cmd *cmd;
1831 struct mgmt_mode *cp;
1832 struct hci_request req;
1835 BT_DBG("status 0x%02x", status);
1839 cmd = pending_find(MGMT_OP_SET_DISCOVERABLE, hdev);
1844 u8 mgmt_err = mgmt_status(status);
1845 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
1846 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
1852 changed = !hci_dev_test_and_set_flag(hdev, HCI_DISCOVERABLE);
1854 if (hdev->discov_timeout > 0) {
1855 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1856 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
1860 changed = hci_dev_test_and_clear_flag(hdev, HCI_DISCOVERABLE);
1863 send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1866 new_settings(hdev, cmd->sk);
1868 /* When the discoverable mode gets changed, make sure
1869 * that class of device has the limited discoverable
1870 * bit correctly set. Also update page scan based on whitelist
1873 hci_req_init(&req, hdev);
1874 __hci_update_page_scan(&req);
1876 hci_req_run(&req, NULL);
1879 mgmt_pending_remove(cmd);
1882 hci_dev_unlock(hdev);
1885 static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
1888 struct mgmt_cp_set_discoverable *cp = data;
1889 struct mgmt_pending_cmd *cmd;
1890 struct hci_request req;
1895 BT_DBG("request for %s", hdev->name);
1897 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
1898 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
1899 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1900 MGMT_STATUS_REJECTED);
1902 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
1903 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1904 MGMT_STATUS_INVALID_PARAMS);
1906 timeout = __le16_to_cpu(cp->timeout);
1908 /* Disabling discoverable requires that no timeout is set,
1909 * and enabling limited discoverable requires a timeout.
1911 if ((cp->val == 0x00 && timeout > 0) ||
1912 (cp->val == 0x02 && timeout == 0))
1913 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1914 MGMT_STATUS_INVALID_PARAMS);
1918 if (!hdev_is_powered(hdev) && timeout > 0) {
1919 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1920 MGMT_STATUS_NOT_POWERED);
1924 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
1925 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
1926 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1931 if (!hci_dev_test_flag(hdev, HCI_CONNECTABLE)) {
1932 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
1933 MGMT_STATUS_REJECTED);
1937 if (!hdev_is_powered(hdev)) {
1938 bool changed = false;
1940 /* Setting limited discoverable when powered off is
1941 * not a valid operation since it requires a timeout
1942 * and so no need to check HCI_LIMITED_DISCOVERABLE.
1944 if (!!cp->val != hci_dev_test_flag(hdev, HCI_DISCOVERABLE)) {
1945 hci_dev_change_flag(hdev, HCI_DISCOVERABLE);
1949 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1954 err = new_settings(hdev, sk);
1959 /* If the current mode is the same, then just update the timeout
1960 * value with the new value. And if only the timeout gets updated,
1961 * then no need for any HCI transactions.
1963 if (!!cp->val == hci_dev_test_flag(hdev, HCI_DISCOVERABLE) &&
1964 (cp->val == 0x02) == hci_dev_test_flag(hdev,
1965 HCI_LIMITED_DISCOVERABLE)) {
1966 cancel_delayed_work(&hdev->discov_off);
1967 hdev->discov_timeout = timeout;
1969 if (cp->val && hdev->discov_timeout > 0) {
1970 int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
1971 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
1975 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
1979 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
1985 /* Cancel any potential discoverable timeout that might be
1986 * still active and store new timeout value. The arming of
1987 * the timeout happens in the complete handler.
1989 cancel_delayed_work(&hdev->discov_off);
1990 hdev->discov_timeout = timeout;
1992 /* Limited discoverable mode */
1993 if (cp->val == 0x02)
1994 hci_dev_set_flag(hdev, HCI_LIMITED_DISCOVERABLE);
1996 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
1998 hci_req_init(&req, hdev);
2000 /* The procedure for LE-only controllers is much simpler - just
2001 * update the advertising data.
2003 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
2009 struct hci_cp_write_current_iac_lap hci_cp;
2011 if (cp->val == 0x02) {
2012 /* Limited discoverable mode */
2013 hci_cp.num_iac = min_t(u8, hdev->num_iac, 2);
2014 hci_cp.iac_lap[0] = 0x00; /* LIAC */
2015 hci_cp.iac_lap[1] = 0x8b;
2016 hci_cp.iac_lap[2] = 0x9e;
2017 hci_cp.iac_lap[3] = 0x33; /* GIAC */
2018 hci_cp.iac_lap[4] = 0x8b;
2019 hci_cp.iac_lap[5] = 0x9e;
2021 /* General discoverable mode */
2023 hci_cp.iac_lap[0] = 0x33; /* GIAC */
2024 hci_cp.iac_lap[1] = 0x8b;
2025 hci_cp.iac_lap[2] = 0x9e;
2028 hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP,
2029 (hci_cp.num_iac * 3) + 1, &hci_cp);
2031 scan |= SCAN_INQUIRY;
2033 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
2036 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
2039 update_adv_data(&req);
2041 err = hci_req_run(&req, set_discoverable_complete);
2043 mgmt_pending_remove(cmd);
2046 hci_dev_unlock(hdev);
2050 static void write_fast_connectable(struct hci_request *req, bool enable)
2052 struct hci_dev *hdev = req->hdev;
2053 struct hci_cp_write_page_scan_activity acp;
2056 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
2059 if (hdev->hci_ver < BLUETOOTH_VER_1_2)
2063 type = PAGE_SCAN_TYPE_INTERLACED;
2065 /* 160 msec page scan interval */
2066 acp.interval = cpu_to_le16(0x0100);
2068 type = PAGE_SCAN_TYPE_STANDARD; /* default */
2070 /* default 1.28 sec page scan */
2071 acp.interval = cpu_to_le16(0x0800);
2074 acp.window = cpu_to_le16(0x0012);
2076 if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
2077 __cpu_to_le16(hdev->page_scan_window) != acp.window)
2078 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
2081 if (hdev->page_scan_type != type)
2082 hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
2085 static void set_connectable_complete(struct hci_dev *hdev, u8 status,
2088 struct mgmt_pending_cmd *cmd;
2089 struct mgmt_mode *cp;
2090 bool conn_changed, discov_changed;
2092 BT_DBG("status 0x%02x", status);
2096 cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
2101 u8 mgmt_err = mgmt_status(status);
2102 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
2108 conn_changed = !hci_dev_test_and_set_flag(hdev,
2110 discov_changed = false;
2112 conn_changed = hci_dev_test_and_clear_flag(hdev,
2114 discov_changed = hci_dev_test_and_clear_flag(hdev,
2118 send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
2120 if (conn_changed || discov_changed) {
2121 new_settings(hdev, cmd->sk);
2122 hci_update_page_scan(hdev);
2124 mgmt_update_adv_data(hdev);
2125 hci_update_background_scan(hdev);
2129 mgmt_pending_remove(cmd);
2132 hci_dev_unlock(hdev);
2135 static int set_connectable_update_settings(struct hci_dev *hdev,
2136 struct sock *sk, u8 val)
2138 bool changed = false;
2141 if (!!val != hci_dev_test_flag(hdev, HCI_CONNECTABLE))
2145 hci_dev_set_flag(hdev, HCI_CONNECTABLE);
2147 hci_dev_clear_flag(hdev, HCI_CONNECTABLE);
2148 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
2151 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
2156 hci_update_page_scan(hdev);
2157 hci_update_background_scan(hdev);
2158 return new_settings(hdev, sk);
2164 static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
2167 struct mgmt_mode *cp = data;
2168 struct mgmt_pending_cmd *cmd;
2169 struct hci_request req;
2173 BT_DBG("request for %s", hdev->name);
2175 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
2176 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
2177 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2178 MGMT_STATUS_REJECTED);
2180 if (cp->val != 0x00 && cp->val != 0x01)
2181 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2182 MGMT_STATUS_INVALID_PARAMS);
2186 if (!hdev_is_powered(hdev)) {
2187 err = set_connectable_update_settings(hdev, sk, cp->val);
2191 if (pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
2192 pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
2193 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
2198 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
2204 hci_req_init(&req, hdev);
2206 /* If BR/EDR is not enabled and we disable advertising as a
2207 * by-product of disabling connectable, we need to update the
2208 * advertising flags.
2210 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
2212 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
2213 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
2215 update_adv_data(&req);
2216 } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) {
2220 /* If we don't have any whitelist entries just
2221 * disable all scanning. If there are entries
2222 * and we had both page and inquiry scanning
2223 * enabled then fall back to only page scanning.
2224 * Otherwise no changes are needed.
2226 if (list_empty(&hdev->whitelist))
2227 scan = SCAN_DISABLED;
2228 else if (test_bit(HCI_ISCAN, &hdev->flags))
2231 goto no_scan_update;
2233 if (test_bit(HCI_ISCAN, &hdev->flags) &&
2234 hdev->discov_timeout > 0)
2235 cancel_delayed_work(&hdev->discov_off);
2238 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
2242 /* Update the advertising parameters if necessary */
2243 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
2244 hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
2245 enable_advertising(&req);
2247 err = hci_req_run(&req, set_connectable_complete);
2249 mgmt_pending_remove(cmd);
2250 if (err == -ENODATA)
2251 err = set_connectable_update_settings(hdev, sk,
2257 hci_dev_unlock(hdev);
2261 static int set_bondable(struct sock *sk, struct hci_dev *hdev, void *data,
2264 struct mgmt_mode *cp = data;
2268 BT_DBG("request for %s", hdev->name);
2270 if (cp->val != 0x00 && cp->val != 0x01)
2271 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BONDABLE,
2272 MGMT_STATUS_INVALID_PARAMS);
2277 changed = !hci_dev_test_and_set_flag(hdev, HCI_BONDABLE);
2279 changed = hci_dev_test_and_clear_flag(hdev, HCI_BONDABLE);
2281 err = send_settings_rsp(sk, MGMT_OP_SET_BONDABLE, hdev);
2286 err = new_settings(hdev, sk);
2289 hci_dev_unlock(hdev);
2293 static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
2296 struct mgmt_mode *cp = data;
2297 struct mgmt_pending_cmd *cmd;
2301 BT_DBG("request for %s", hdev->name);
2303 status = mgmt_bredr_support(hdev);
2305 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2308 if (cp->val != 0x00 && cp->val != 0x01)
2309 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2310 MGMT_STATUS_INVALID_PARAMS);
2314 if (!hdev_is_powered(hdev)) {
2315 bool changed = false;
2317 if (!!cp->val != hci_dev_test_flag(hdev, HCI_LINK_SECURITY)) {
2318 hci_dev_change_flag(hdev, HCI_LINK_SECURITY);
2322 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2327 err = new_settings(hdev, sk);
2332 if (pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
2333 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
2340 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
2341 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
2345 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
2351 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
2353 mgmt_pending_remove(cmd);
2358 hci_dev_unlock(hdev);
2362 static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2364 struct mgmt_mode *cp = data;
2365 struct mgmt_pending_cmd *cmd;
2369 BT_DBG("request for %s", hdev->name);
2371 status = mgmt_bredr_support(hdev);
2373 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status);
2375 if (!lmp_ssp_capable(hdev))
2376 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2377 MGMT_STATUS_NOT_SUPPORTED);
2379 if (cp->val != 0x00 && cp->val != 0x01)
2380 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2381 MGMT_STATUS_INVALID_PARAMS);
2385 if (!hdev_is_powered(hdev)) {
2389 changed = !hci_dev_test_and_set_flag(hdev,
2392 changed = hci_dev_test_and_clear_flag(hdev,
2395 changed = hci_dev_test_and_clear_flag(hdev,
2398 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
2401 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2406 err = new_settings(hdev, sk);
2411 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
2412 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
2417 if (!!cp->val == hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
2418 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
2422 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
2428 if (!cp->val && hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
2429 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
2430 sizeof(cp->val), &cp->val);
2432 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val);
2434 mgmt_pending_remove(cmd);
2439 hci_dev_unlock(hdev);
2443 static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2445 struct mgmt_mode *cp = data;
2450 BT_DBG("request for %s", hdev->name);
2452 status = mgmt_bredr_support(hdev);
2454 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status);
2456 if (!lmp_ssp_capable(hdev))
2457 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2458 MGMT_STATUS_NOT_SUPPORTED);
2460 if (!hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
2461 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2462 MGMT_STATUS_REJECTED);
2464 if (cp->val != 0x00 && cp->val != 0x01)
2465 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2466 MGMT_STATUS_INVALID_PARAMS);
2470 if (pending_find(MGMT_OP_SET_SSP, hdev)) {
2471 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2477 changed = !hci_dev_test_and_set_flag(hdev, HCI_HS_ENABLED);
2479 if (hdev_is_powered(hdev)) {
2480 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
2481 MGMT_STATUS_REJECTED);
2485 changed = hci_dev_test_and_clear_flag(hdev, HCI_HS_ENABLED);
2488 err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
2493 err = new_settings(hdev, sk);
2496 hci_dev_unlock(hdev);
2500 static void le_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
2502 struct cmd_lookup match = { NULL, hdev };
2507 u8 mgmt_err = mgmt_status(status);
2509 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
2514 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
2516 new_settings(hdev, match.sk);
2521 /* Make sure the controller has a good default for
2522 * advertising data. Restrict the update to when LE
2523 * has actually been enabled. During power on, the
2524 * update in powered_update_hci will take care of it.
2526 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
2527 struct hci_request req;
2529 hci_req_init(&req, hdev);
2530 update_adv_data(&req);
2531 update_scan_rsp_data(&req);
2532 __hci_update_background_scan(&req);
2533 hci_req_run(&req, NULL);
2537 hci_dev_unlock(hdev);
2540 static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2542 struct mgmt_mode *cp = data;
2543 struct hci_cp_write_le_host_supported hci_cp;
2544 struct mgmt_pending_cmd *cmd;
2545 struct hci_request req;
2549 BT_DBG("request for %s", hdev->name);
2551 if (!lmp_le_capable(hdev))
2552 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2553 MGMT_STATUS_NOT_SUPPORTED);
2555 if (cp->val != 0x00 && cp->val != 0x01)
2556 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2557 MGMT_STATUS_INVALID_PARAMS);
2559 /* Bluetooth single mode LE only controllers or dual-mode
2560 * controllers configured as LE only devices, do not allow
2561 * switching LE off. These have either LE enabled explicitly
2562 * or BR/EDR has been previously switched off.
2564 * When trying to enable an already enabled LE, then gracefully
2565 * send a positive response. Trying to disable it however will
2566 * result into rejection.
2568 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
2569 if (cp->val == 0x01)
2570 return send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2572 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2573 MGMT_STATUS_REJECTED);
2579 enabled = lmp_host_le_capable(hdev);
2582 clear_adv_instance(hdev, NULL, 0x00, true);
2584 if (!hdev_is_powered(hdev) || val == enabled) {
2585 bool changed = false;
2587 if (val != hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
2588 hci_dev_change_flag(hdev, HCI_LE_ENABLED);
2592 if (!val && hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
2593 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
2597 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
2602 err = new_settings(hdev, sk);
2607 if (pending_find(MGMT_OP_SET_LE, hdev) ||
2608 pending_find(MGMT_OP_SET_ADVERTISING, hdev)) {
2609 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
2614 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
2620 hci_req_init(&req, hdev);
2622 memset(&hci_cp, 0, sizeof(hci_cp));
2626 hci_cp.simul = 0x00;
2628 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
2629 disable_advertising(&req);
2632 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
2635 err = hci_req_run(&req, le_enable_complete);
2637 mgmt_pending_remove(cmd);
2640 hci_dev_unlock(hdev);
2644 /* This is a helper function to test for pending mgmt commands that can
2645 * cause CoD or EIR HCI commands. We can only allow one such pending
2646 * mgmt command at a time since otherwise we cannot easily track what
2647 * the current values are, will be, and based on that calculate if a new
2648 * HCI command needs to be sent and if yes with what value.
2650 static bool pending_eir_or_class(struct hci_dev *hdev)
2652 struct mgmt_pending_cmd *cmd;
2654 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
2655 switch (cmd->opcode) {
2656 case MGMT_OP_ADD_UUID:
2657 case MGMT_OP_REMOVE_UUID:
2658 case MGMT_OP_SET_DEV_CLASS:
2659 case MGMT_OP_SET_POWERED:
2667 static const u8 bluetooth_base_uuid[] = {
2668 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
2669 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
2672 static u8 get_uuid_size(const u8 *uuid)
2676 if (memcmp(uuid, bluetooth_base_uuid, 12))
2679 val = get_unaligned_le32(&uuid[12]);
2686 static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
2688 struct mgmt_pending_cmd *cmd;
2692 cmd = pending_find(mgmt_op, hdev);
2696 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
2697 mgmt_status(status), hdev->dev_class, 3);
2699 mgmt_pending_remove(cmd);
2702 hci_dev_unlock(hdev);
2705 static void add_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
2707 BT_DBG("status 0x%02x", status);
2709 mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
2712 static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
2714 struct mgmt_cp_add_uuid *cp = data;
2715 struct mgmt_pending_cmd *cmd;
2716 struct hci_request req;
2717 struct bt_uuid *uuid;
2720 BT_DBG("request for %s", hdev->name);
2724 if (pending_eir_or_class(hdev)) {
2725 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
2730 uuid = kmalloc(sizeof(*uuid), GFP_KERNEL);
2736 memcpy(uuid->uuid, cp->uuid, 16);
2737 uuid->svc_hint = cp->svc_hint;
2738 uuid->size = get_uuid_size(cp->uuid);
2740 list_add_tail(&uuid->list, &hdev->uuids);
2742 hci_req_init(&req, hdev);
2747 err = hci_req_run(&req, add_uuid_complete);
2749 if (err != -ENODATA)
2752 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
2753 hdev->dev_class, 3);
2757 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
2766 hci_dev_unlock(hdev);
2770 static bool enable_service_cache(struct hci_dev *hdev)
2772 if (!hdev_is_powered(hdev))
2775 if (!hci_dev_test_and_set_flag(hdev, HCI_SERVICE_CACHE)) {
2776 queue_delayed_work(hdev->workqueue, &hdev->service_cache,
2784 static void remove_uuid_complete(struct hci_dev *hdev, u8 status, u16 opcode)
2786 BT_DBG("status 0x%02x", status);
2788 mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
2791 static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
2794 struct mgmt_cp_remove_uuid *cp = data;
2795 struct mgmt_pending_cmd *cmd;
2796 struct bt_uuid *match, *tmp;
2797 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
2798 struct hci_request req;
2801 BT_DBG("request for %s", hdev->name);
2805 if (pending_eir_or_class(hdev)) {
2806 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
2811 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
2812 hci_uuids_clear(hdev);
2814 if (enable_service_cache(hdev)) {
2815 err = mgmt_cmd_complete(sk, hdev->id,
2816 MGMT_OP_REMOVE_UUID,
2817 0, hdev->dev_class, 3);
2826 list_for_each_entry_safe(match, tmp, &hdev->uuids, list) {
2827 if (memcmp(match->uuid, cp->uuid, 16) != 0)
2830 list_del(&match->list);
2836 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
2837 MGMT_STATUS_INVALID_PARAMS);
2842 hci_req_init(&req, hdev);
2847 err = hci_req_run(&req, remove_uuid_complete);
2849 if (err != -ENODATA)
2852 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
2853 hdev->dev_class, 3);
2857 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
2866 hci_dev_unlock(hdev);
2870 static void set_class_complete(struct hci_dev *hdev, u8 status, u16 opcode)
2872 BT_DBG("status 0x%02x", status);
2874 mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
2877 static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
2880 struct mgmt_cp_set_dev_class *cp = data;
2881 struct mgmt_pending_cmd *cmd;
2882 struct hci_request req;
2885 BT_DBG("request for %s", hdev->name);
2887 if (!lmp_bredr_capable(hdev))
2888 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2889 MGMT_STATUS_NOT_SUPPORTED);
2893 if (pending_eir_or_class(hdev)) {
2894 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2899 if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
2900 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
2901 MGMT_STATUS_INVALID_PARAMS);
2905 hdev->major_class = cp->major;
2906 hdev->minor_class = cp->minor;
2908 if (!hdev_is_powered(hdev)) {
2909 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2910 hdev->dev_class, 3);
2914 hci_req_init(&req, hdev);
2916 if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) {
2917 hci_dev_unlock(hdev);
2918 cancel_delayed_work_sync(&hdev->service_cache);
2925 err = hci_req_run(&req, set_class_complete);
2927 if (err != -ENODATA)
2930 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
2931 hdev->dev_class, 3);
2935 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
2944 hci_dev_unlock(hdev);
2948 static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
2951 struct mgmt_cp_load_link_keys *cp = data;
2952 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
2953 sizeof(struct mgmt_link_key_info));
2954 u16 key_count, expected_len;
2958 BT_DBG("request for %s", hdev->name);
2960 if (!lmp_bredr_capable(hdev))
2961 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2962 MGMT_STATUS_NOT_SUPPORTED);
2964 key_count = __le16_to_cpu(cp->key_count);
2965 if (key_count > max_key_count) {
2966 BT_ERR("load_link_keys: too big key_count value %u",
2968 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2969 MGMT_STATUS_INVALID_PARAMS);
2972 expected_len = sizeof(*cp) + key_count *
2973 sizeof(struct mgmt_link_key_info);
2974 if (expected_len != len) {
2975 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
2977 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2978 MGMT_STATUS_INVALID_PARAMS);
2981 if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01)
2982 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
2983 MGMT_STATUS_INVALID_PARAMS);
2985 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
2988 for (i = 0; i < key_count; i++) {
2989 struct mgmt_link_key_info *key = &cp->keys[i];
2991 if (key->addr.type != BDADDR_BREDR || key->type > 0x08)
2992 return mgmt_cmd_status(sk, hdev->id,
2993 MGMT_OP_LOAD_LINK_KEYS,
2994 MGMT_STATUS_INVALID_PARAMS);
2999 hci_link_keys_clear(hdev);
3002 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
3004 changed = hci_dev_test_and_clear_flag(hdev,
3005 HCI_KEEP_DEBUG_KEYS);
3008 new_settings(hdev, NULL);
3010 for (i = 0; i < key_count; i++) {
3011 struct mgmt_link_key_info *key = &cp->keys[i];
3013 /* Always ignore debug keys and require a new pairing if
3014 * the user wants to use them.
3016 if (key->type == HCI_LK_DEBUG_COMBINATION)
3019 hci_add_link_key(hdev, NULL, &key->addr.bdaddr, key->val,
3020 key->type, key->pin_len, NULL);
3023 mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
3025 hci_dev_unlock(hdev);
3030 static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
3031 u8 addr_type, struct sock *skip_sk)
3033 struct mgmt_ev_device_unpaired ev;
3035 bacpy(&ev.addr.bdaddr, bdaddr);
3036 ev.addr.type = addr_type;
3038 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
3042 static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3045 struct mgmt_cp_unpair_device *cp = data;
3046 struct mgmt_rp_unpair_device rp;
3047 struct hci_cp_disconnect dc;
3048 struct mgmt_pending_cmd *cmd;
3049 struct hci_conn *conn;
3052 memset(&rp, 0, sizeof(rp));
3053 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3054 rp.addr.type = cp->addr.type;
3056 if (!bdaddr_type_is_valid(cp->addr.type))
3057 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3058 MGMT_STATUS_INVALID_PARAMS,
3061 if (cp->disconnect != 0x00 && cp->disconnect != 0x01)
3062 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3063 MGMT_STATUS_INVALID_PARAMS,
3068 if (!hdev_is_powered(hdev)) {
3069 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3070 MGMT_STATUS_NOT_POWERED, &rp,
3075 if (cp->addr.type == BDADDR_BREDR) {
3076 /* If disconnection is requested, then look up the
3077 * connection. If the remote device is connected, it
3078 * will be later used to terminate the link.
3080 * Setting it to NULL explicitly will cause no
3081 * termination of the link.
3084 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
3089 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
3093 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
3096 /* Defer clearing up the connection parameters
3097 * until closing to give a chance of keeping
3098 * them if a repairing happens.
3100 set_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
3102 /* If disconnection is not requested, then
3103 * clear the connection variable so that the
3104 * link is not terminated.
3106 if (!cp->disconnect)
3110 if (cp->addr.type == BDADDR_LE_PUBLIC)
3111 addr_type = ADDR_LE_DEV_PUBLIC;
3113 addr_type = ADDR_LE_DEV_RANDOM;
3115 hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
3117 err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
3121 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
3122 MGMT_STATUS_NOT_PAIRED, &rp,
3127 /* If the connection variable is set, then termination of the
3128 * link is requested.
3131 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
3133 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
3137 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
3144 cmd->cmd_complete = addr_cmd_complete;
3146 dc.handle = cpu_to_le16(conn->handle);
3147 dc.reason = 0x13; /* Remote User Terminated Connection */
3148 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
3150 mgmt_pending_remove(cmd);
3153 hci_dev_unlock(hdev);
3157 static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
3160 struct mgmt_cp_disconnect *cp = data;
3161 struct mgmt_rp_disconnect rp;
3162 struct mgmt_pending_cmd *cmd;
3163 struct hci_conn *conn;
3168 memset(&rp, 0, sizeof(rp));
3169 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3170 rp.addr.type = cp->addr.type;
3172 if (!bdaddr_type_is_valid(cp->addr.type))
3173 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3174 MGMT_STATUS_INVALID_PARAMS,
3179 if (!test_bit(HCI_UP, &hdev->flags)) {
3180 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3181 MGMT_STATUS_NOT_POWERED, &rp,
3186 if (pending_find(MGMT_OP_DISCONNECT, hdev)) {
3187 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3188 MGMT_STATUS_BUSY, &rp, sizeof(rp));
3192 if (cp->addr.type == BDADDR_BREDR)
3193 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
3196 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
3198 if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) {
3199 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT,
3200 MGMT_STATUS_NOT_CONNECTED, &rp,
3205 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
3211 cmd->cmd_complete = generic_cmd_complete;
3213 err = hci_disconnect(conn, HCI_ERROR_REMOTE_USER_TERM);
3215 mgmt_pending_remove(cmd);
3218 hci_dev_unlock(hdev);
3222 static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
3224 switch (link_type) {
3226 switch (addr_type) {
3227 case ADDR_LE_DEV_PUBLIC:
3228 return BDADDR_LE_PUBLIC;
3231 /* Fallback to LE Random address type */
3232 return BDADDR_LE_RANDOM;
3236 /* Fallback to BR/EDR type */
3237 return BDADDR_BREDR;
3241 static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
3244 struct mgmt_rp_get_connections *rp;
3254 if (!hdev_is_powered(hdev)) {
3255 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
3256 MGMT_STATUS_NOT_POWERED);
3261 list_for_each_entry(c, &hdev->conn_hash.list, list) {
3262 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
3266 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
3267 rp = kmalloc(rp_len, GFP_KERNEL);
3274 list_for_each_entry(c, &hdev->conn_hash.list, list) {
3275 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
3277 bacpy(&rp->addr[i].bdaddr, &c->dst);
3278 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
3279 if (c->type == SCO_LINK || c->type == ESCO_LINK)
3284 rp->conn_count = cpu_to_le16(i);
3286 /* Recalculate length in case of filtered SCO connections, etc */
3287 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
3289 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
3295 hci_dev_unlock(hdev);
3299 static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3300 struct mgmt_cp_pin_code_neg_reply *cp)
3302 struct mgmt_pending_cmd *cmd;
3305 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
3310 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
3311 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
3313 mgmt_pending_remove(cmd);
3318 static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3321 struct hci_conn *conn;
3322 struct mgmt_cp_pin_code_reply *cp = data;
3323 struct hci_cp_pin_code_reply reply;
3324 struct mgmt_pending_cmd *cmd;
3331 if (!hdev_is_powered(hdev)) {
3332 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3333 MGMT_STATUS_NOT_POWERED);
3337 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
3339 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3340 MGMT_STATUS_NOT_CONNECTED);
3344 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
3345 struct mgmt_cp_pin_code_neg_reply ncp;
3347 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
3349 BT_ERR("PIN code is not 16 bytes long");
3351 err = send_pin_code_neg_reply(sk, hdev, &ncp);
3353 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3354 MGMT_STATUS_INVALID_PARAMS);
3359 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
3365 cmd->cmd_complete = addr_cmd_complete;
3367 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
3368 reply.pin_len = cp->pin_len;
3369 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
3371 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
3373 mgmt_pending_remove(cmd);
3376 hci_dev_unlock(hdev);
3380 static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
3383 struct mgmt_cp_set_io_capability *cp = data;
3387 if (cp->io_capability > SMP_IO_KEYBOARD_DISPLAY)
3388 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY,
3389 MGMT_STATUS_INVALID_PARAMS, NULL, 0);
3393 hdev->io_capability = cp->io_capability;
3395 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
3396 hdev->io_capability);
3398 hci_dev_unlock(hdev);
3400 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0,
3404 static struct mgmt_pending_cmd *find_pairing(struct hci_conn *conn)
3406 struct hci_dev *hdev = conn->hdev;
3407 struct mgmt_pending_cmd *cmd;
3409 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
3410 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
3413 if (cmd->user_data != conn)
3422 static int pairing_complete(struct mgmt_pending_cmd *cmd, u8 status)
3424 struct mgmt_rp_pair_device rp;
3425 struct hci_conn *conn = cmd->user_data;
3428 bacpy(&rp.addr.bdaddr, &conn->dst);
3429 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
3431 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE,
3432 status, &rp, sizeof(rp));
3434 /* So we don't get further callbacks for this connection */
3435 conn->connect_cfm_cb = NULL;
3436 conn->security_cfm_cb = NULL;
3437 conn->disconn_cfm_cb = NULL;
3439 hci_conn_drop(conn);
3441 /* The device is paired so there is no need to remove
3442 * its connection parameters anymore.
3444 clear_bit(HCI_CONN_PARAM_REMOVAL_PEND, &conn->flags);
3451 void mgmt_smp_complete(struct hci_conn *conn, bool complete)
3453 u8 status = complete ? MGMT_STATUS_SUCCESS : MGMT_STATUS_FAILED;
3454 struct mgmt_pending_cmd *cmd;
3456 cmd = find_pairing(conn);
3458 cmd->cmd_complete(cmd, status);
3459 mgmt_pending_remove(cmd);
3463 static void pairing_complete_cb(struct hci_conn *conn, u8 status)
3465 struct mgmt_pending_cmd *cmd;
3467 BT_DBG("status %u", status);
3469 cmd = find_pairing(conn);
3471 BT_DBG("Unable to find a pending command");
3475 cmd->cmd_complete(cmd, mgmt_status(status));
3476 mgmt_pending_remove(cmd);
3479 static void le_pairing_complete_cb(struct hci_conn *conn, u8 status)
3481 struct mgmt_pending_cmd *cmd;
3483 BT_DBG("status %u", status);
3488 cmd = find_pairing(conn);
3490 BT_DBG("Unable to find a pending command");
3494 cmd->cmd_complete(cmd, mgmt_status(status));
3495 mgmt_pending_remove(cmd);
3498 static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3501 struct mgmt_cp_pair_device *cp = data;
3502 struct mgmt_rp_pair_device rp;
3503 struct mgmt_pending_cmd *cmd;
3504 u8 sec_level, auth_type;
3505 struct hci_conn *conn;
3510 memset(&rp, 0, sizeof(rp));
3511 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3512 rp.addr.type = cp->addr.type;
3514 if (!bdaddr_type_is_valid(cp->addr.type))
3515 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3516 MGMT_STATUS_INVALID_PARAMS,
3519 if (cp->io_cap > SMP_IO_KEYBOARD_DISPLAY)
3520 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3521 MGMT_STATUS_INVALID_PARAMS,
3526 if (!hdev_is_powered(hdev)) {
3527 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3528 MGMT_STATUS_NOT_POWERED, &rp,
3533 if (hci_bdaddr_is_paired(hdev, &cp->addr.bdaddr, cp->addr.type)) {
3534 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3535 MGMT_STATUS_ALREADY_PAIRED, &rp,
3540 sec_level = BT_SECURITY_MEDIUM;
3541 auth_type = HCI_AT_DEDICATED_BONDING;
3543 if (cp->addr.type == BDADDR_BREDR) {
3544 conn = hci_connect_acl(hdev, &cp->addr.bdaddr, sec_level,
3549 /* Convert from L2CAP channel address type to HCI address type
3551 if (cp->addr.type == BDADDR_LE_PUBLIC)
3552 addr_type = ADDR_LE_DEV_PUBLIC;
3554 addr_type = ADDR_LE_DEV_RANDOM;
3556 /* When pairing a new device, it is expected to remember
3557 * this device for future connections. Adding the connection
3558 * parameter information ahead of time allows tracking
3559 * of the slave preferred values and will speed up any
3560 * further connection establishment.
3562 * If connection parameters already exist, then they
3563 * will be kept and this function does nothing.
3565 hci_conn_params_add(hdev, &cp->addr.bdaddr, addr_type);
3567 conn = hci_connect_le_scan(hdev, &cp->addr.bdaddr,
3568 addr_type, sec_level,
3569 HCI_LE_CONN_TIMEOUT,
3576 if (PTR_ERR(conn) == -EBUSY)
3577 status = MGMT_STATUS_BUSY;
3578 else if (PTR_ERR(conn) == -EOPNOTSUPP)
3579 status = MGMT_STATUS_NOT_SUPPORTED;
3580 else if (PTR_ERR(conn) == -ECONNREFUSED)
3581 status = MGMT_STATUS_REJECTED;
3583 status = MGMT_STATUS_CONNECT_FAILED;
3585 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3586 status, &rp, sizeof(rp));
3590 if (conn->connect_cfm_cb) {
3591 hci_conn_drop(conn);
3592 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
3593 MGMT_STATUS_BUSY, &rp, sizeof(rp));
3597 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
3600 hci_conn_drop(conn);
3604 cmd->cmd_complete = pairing_complete;
3606 /* For LE, just connecting isn't a proof that the pairing finished */
3607 if (cp->addr.type == BDADDR_BREDR) {
3608 conn->connect_cfm_cb = pairing_complete_cb;
3609 conn->security_cfm_cb = pairing_complete_cb;
3610 conn->disconn_cfm_cb = pairing_complete_cb;
3612 conn->connect_cfm_cb = le_pairing_complete_cb;
3613 conn->security_cfm_cb = le_pairing_complete_cb;
3614 conn->disconn_cfm_cb = le_pairing_complete_cb;
3617 conn->io_capability = cp->io_cap;
3618 cmd->user_data = hci_conn_get(conn);
3620 if ((conn->state == BT_CONNECTED || conn->state == BT_CONFIG) &&
3621 hci_conn_security(conn, sec_level, auth_type, true)) {
3622 cmd->cmd_complete(cmd, 0);
3623 mgmt_pending_remove(cmd);
3629 hci_dev_unlock(hdev);
3633 static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
3636 struct mgmt_addr_info *addr = data;
3637 struct mgmt_pending_cmd *cmd;
3638 struct hci_conn *conn;
3645 if (!hdev_is_powered(hdev)) {
3646 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3647 MGMT_STATUS_NOT_POWERED);
3651 cmd = pending_find(MGMT_OP_PAIR_DEVICE, hdev);
3653 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3654 MGMT_STATUS_INVALID_PARAMS);
3658 conn = cmd->user_data;
3660 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
3661 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
3662 MGMT_STATUS_INVALID_PARAMS);
3666 cmd->cmd_complete(cmd, MGMT_STATUS_CANCELLED);
3667 mgmt_pending_remove(cmd);
3669 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
3670 addr, sizeof(*addr));
3672 hci_dev_unlock(hdev);
3676 static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
3677 struct mgmt_addr_info *addr, u16 mgmt_op,
3678 u16 hci_op, __le32 passkey)
3680 struct mgmt_pending_cmd *cmd;
3681 struct hci_conn *conn;
3686 if (!hdev_is_powered(hdev)) {
3687 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3688 MGMT_STATUS_NOT_POWERED, addr,
3693 if (addr->type == BDADDR_BREDR)
3694 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
3696 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
3699 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3700 MGMT_STATUS_NOT_CONNECTED, addr,
3705 if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
3706 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
3708 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3709 MGMT_STATUS_SUCCESS, addr,
3712 err = mgmt_cmd_complete(sk, hdev->id, mgmt_op,
3713 MGMT_STATUS_FAILED, addr,
3719 cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
3725 cmd->cmd_complete = addr_cmd_complete;
3727 /* Continue with pairing via HCI */
3728 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
3729 struct hci_cp_user_passkey_reply cp;
3731 bacpy(&cp.bdaddr, &addr->bdaddr);
3732 cp.passkey = passkey;
3733 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
3735 err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
3739 mgmt_pending_remove(cmd);
3742 hci_dev_unlock(hdev);
3746 static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
3747 void *data, u16 len)
3749 struct mgmt_cp_pin_code_neg_reply *cp = data;
3753 return user_pairing_resp(sk, hdev, &cp->addr,
3754 MGMT_OP_PIN_CODE_NEG_REPLY,
3755 HCI_OP_PIN_CODE_NEG_REPLY, 0);
3758 static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3761 struct mgmt_cp_user_confirm_reply *cp = data;
3765 if (len != sizeof(*cp))
3766 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
3767 MGMT_STATUS_INVALID_PARAMS);
3769 return user_pairing_resp(sk, hdev, &cp->addr,
3770 MGMT_OP_USER_CONFIRM_REPLY,
3771 HCI_OP_USER_CONFIRM_REPLY, 0);
3774 static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
3775 void *data, u16 len)
3777 struct mgmt_cp_user_confirm_neg_reply *cp = data;
3781 return user_pairing_resp(sk, hdev, &cp->addr,
3782 MGMT_OP_USER_CONFIRM_NEG_REPLY,
3783 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
3786 static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
3789 struct mgmt_cp_user_passkey_reply *cp = data;
3793 return user_pairing_resp(sk, hdev, &cp->addr,
3794 MGMT_OP_USER_PASSKEY_REPLY,
3795 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
3798 static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
3799 void *data, u16 len)
3801 struct mgmt_cp_user_passkey_neg_reply *cp = data;
3805 return user_pairing_resp(sk, hdev, &cp->addr,
3806 MGMT_OP_USER_PASSKEY_NEG_REPLY,
3807 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
3810 static void update_name(struct hci_request *req)
3812 struct hci_dev *hdev = req->hdev;
3813 struct hci_cp_write_local_name cp;
3815 memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
3817 hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
3820 static void set_name_complete(struct hci_dev *hdev, u8 status, u16 opcode)
3822 struct mgmt_cp_set_local_name *cp;
3823 struct mgmt_pending_cmd *cmd;
3825 BT_DBG("status 0x%02x", status);
3829 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
3836 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3837 mgmt_status(status));
3839 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3842 mgmt_pending_remove(cmd);
3845 hci_dev_unlock(hdev);
3848 static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
3851 struct mgmt_cp_set_local_name *cp = data;
3852 struct mgmt_pending_cmd *cmd;
3853 struct hci_request req;
3860 /* If the old values are the same as the new ones just return a
3861 * direct command complete event.
3863 if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
3864 !memcmp(hdev->short_name, cp->short_name,
3865 sizeof(hdev->short_name))) {
3866 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3871 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
3873 if (!hdev_is_powered(hdev)) {
3874 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3876 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
3881 err = mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev,
3887 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
3893 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
3895 hci_req_init(&req, hdev);
3897 if (lmp_bredr_capable(hdev)) {
3902 /* The name is stored in the scan response data and so
3903 * no need to udpate the advertising data here.
3905 if (lmp_le_capable(hdev))
3906 update_scan_rsp_data(&req);
3908 err = hci_req_run(&req, set_name_complete);
3910 mgmt_pending_remove(cmd);
3913 hci_dev_unlock(hdev);
3917 static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
3918 u16 opcode, struct sk_buff *skb)
3920 struct mgmt_rp_read_local_oob_data mgmt_rp;
3921 size_t rp_size = sizeof(mgmt_rp);
3922 struct mgmt_pending_cmd *cmd;
3924 BT_DBG("%s status %u", hdev->name, status);
3926 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
3930 if (status || !skb) {
3931 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3932 status ? mgmt_status(status) : MGMT_STATUS_FAILED);
3936 memset(&mgmt_rp, 0, sizeof(mgmt_rp));
3938 if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
3939 struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
3941 if (skb->len < sizeof(*rp)) {
3942 mgmt_cmd_status(cmd->sk, hdev->id,
3943 MGMT_OP_READ_LOCAL_OOB_DATA,
3944 MGMT_STATUS_FAILED);
3948 memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash));
3949 memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand));
3951 rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256);
3953 struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
3955 if (skb->len < sizeof(*rp)) {
3956 mgmt_cmd_status(cmd->sk, hdev->id,
3957 MGMT_OP_READ_LOCAL_OOB_DATA,
3958 MGMT_STATUS_FAILED);
3962 memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192));
3963 memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192));
3965 memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256));
3966 memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256));
3969 mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3970 MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size);
3973 mgmt_pending_remove(cmd);
3976 static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
3977 void *data, u16 data_len)
3979 struct mgmt_pending_cmd *cmd;
3980 struct hci_request req;
3983 BT_DBG("%s", hdev->name);
3987 if (!hdev_is_powered(hdev)) {
3988 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3989 MGMT_STATUS_NOT_POWERED);
3993 if (!lmp_ssp_capable(hdev)) {
3994 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3995 MGMT_STATUS_NOT_SUPPORTED);
3999 if (pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
4000 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
4005 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
4011 hci_req_init(&req, hdev);
4013 if (bredr_sc_enabled(hdev))
4014 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
4016 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
4018 err = hci_req_run_skb(&req, read_local_oob_data_complete);
4020 mgmt_pending_remove(cmd);
4023 hci_dev_unlock(hdev);
4027 static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
4028 void *data, u16 len)
4030 struct mgmt_addr_info *addr = data;
4033 BT_DBG("%s ", hdev->name);
4035 if (!bdaddr_type_is_valid(addr->type))
4036 return mgmt_cmd_complete(sk, hdev->id,
4037 MGMT_OP_ADD_REMOTE_OOB_DATA,
4038 MGMT_STATUS_INVALID_PARAMS,
4039 addr, sizeof(*addr));
4043 if (len == MGMT_ADD_REMOTE_OOB_DATA_SIZE) {
4044 struct mgmt_cp_add_remote_oob_data *cp = data;
4047 if (cp->addr.type != BDADDR_BREDR) {
4048 err = mgmt_cmd_complete(sk, hdev->id,
4049 MGMT_OP_ADD_REMOTE_OOB_DATA,
4050 MGMT_STATUS_INVALID_PARAMS,
4051 &cp->addr, sizeof(cp->addr));
4055 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
4056 cp->addr.type, cp->hash,
4057 cp->rand, NULL, NULL);
4059 status = MGMT_STATUS_FAILED;
4061 status = MGMT_STATUS_SUCCESS;
4063 err = mgmt_cmd_complete(sk, hdev->id,
4064 MGMT_OP_ADD_REMOTE_OOB_DATA, status,
4065 &cp->addr, sizeof(cp->addr));
4066 } else if (len == MGMT_ADD_REMOTE_OOB_EXT_DATA_SIZE) {
4067 struct mgmt_cp_add_remote_oob_ext_data *cp = data;
4068 u8 *rand192, *hash192, *rand256, *hash256;
4071 if (bdaddr_type_is_le(cp->addr.type)) {
4072 /* Enforce zero-valued 192-bit parameters as
4073 * long as legacy SMP OOB isn't implemented.
4075 if (memcmp(cp->rand192, ZERO_KEY, 16) ||
4076 memcmp(cp->hash192, ZERO_KEY, 16)) {
4077 err = mgmt_cmd_complete(sk, hdev->id,
4078 MGMT_OP_ADD_REMOTE_OOB_DATA,
4079 MGMT_STATUS_INVALID_PARAMS,
4080 addr, sizeof(*addr));
4087 /* In case one of the P-192 values is set to zero,
4088 * then just disable OOB data for P-192.
4090 if (!memcmp(cp->rand192, ZERO_KEY, 16) ||
4091 !memcmp(cp->hash192, ZERO_KEY, 16)) {
4095 rand192 = cp->rand192;
4096 hash192 = cp->hash192;
4100 /* In case one of the P-256 values is set to zero, then just
4101 * disable OOB data for P-256.
4103 if (!memcmp(cp->rand256, ZERO_KEY, 16) ||
4104 !memcmp(cp->hash256, ZERO_KEY, 16)) {
4108 rand256 = cp->rand256;
4109 hash256 = cp->hash256;
4112 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr,
4113 cp->addr.type, hash192, rand192,
4116 status = MGMT_STATUS_FAILED;
4118 status = MGMT_STATUS_SUCCESS;
4120 err = mgmt_cmd_complete(sk, hdev->id,
4121 MGMT_OP_ADD_REMOTE_OOB_DATA,
4122 status, &cp->addr, sizeof(cp->addr));
4124 BT_ERR("add_remote_oob_data: invalid length of %u bytes", len);
4125 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
4126 MGMT_STATUS_INVALID_PARAMS);
4130 hci_dev_unlock(hdev);
4134 static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
4135 void *data, u16 len)
4137 struct mgmt_cp_remove_remote_oob_data *cp = data;
4141 BT_DBG("%s", hdev->name);
4143 if (cp->addr.type != BDADDR_BREDR)
4144 return mgmt_cmd_complete(sk, hdev->id,
4145 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
4146 MGMT_STATUS_INVALID_PARAMS,
4147 &cp->addr, sizeof(cp->addr));
4151 if (!bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
4152 hci_remote_oob_data_clear(hdev);
4153 status = MGMT_STATUS_SUCCESS;
4157 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr, cp->addr.type);
4159 status = MGMT_STATUS_INVALID_PARAMS;
4161 status = MGMT_STATUS_SUCCESS;
4164 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
4165 status, &cp->addr, sizeof(cp->addr));
4167 hci_dev_unlock(hdev);
4171 static bool trigger_bredr_inquiry(struct hci_request *req, u8 *status)
4173 struct hci_dev *hdev = req->hdev;
4174 struct hci_cp_inquiry cp;
4175 /* General inquiry access code (GIAC) */
4176 u8 lap[3] = { 0x33, 0x8b, 0x9e };
4178 *status = mgmt_bredr_support(hdev);
4182 if (hci_dev_test_flag(hdev, HCI_INQUIRY)) {
4183 *status = MGMT_STATUS_BUSY;
4187 hci_inquiry_cache_flush(hdev);
4189 memset(&cp, 0, sizeof(cp));
4190 memcpy(&cp.lap, lap, sizeof(cp.lap));
4191 cp.length = DISCOV_BREDR_INQUIRY_LEN;
4193 hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp);
4198 static bool trigger_le_scan(struct hci_request *req, u16 interval, u8 *status)
4200 struct hci_dev *hdev = req->hdev;
4201 struct hci_cp_le_set_scan_param param_cp;
4202 struct hci_cp_le_set_scan_enable enable_cp;
4206 *status = mgmt_le_support(hdev);
4210 if (hci_dev_test_flag(hdev, HCI_LE_ADV)) {
4211 /* Don't let discovery abort an outgoing connection attempt
4212 * that's using directed advertising.
4214 if (hci_lookup_le_connect(hdev)) {
4215 *status = MGMT_STATUS_REJECTED;
4219 cancel_adv_timeout(hdev);
4220 disable_advertising(req);
4223 /* If controller is scanning, it means the background scanning is
4224 * running. Thus, we should temporarily stop it in order to set the
4225 * discovery scanning parameters.
4227 if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
4228 hci_req_add_le_scan_disable(req);
4230 /* All active scans will be done with either a resolvable private
4231 * address (when privacy feature has been enabled) or non-resolvable
4234 err = hci_update_random_address(req, true, &own_addr_type);
4236 *status = MGMT_STATUS_FAILED;
4240 memset(¶m_cp, 0, sizeof(param_cp));
4241 param_cp.type = LE_SCAN_ACTIVE;
4242 param_cp.interval = cpu_to_le16(interval);
4243 param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN);
4244 param_cp.own_address_type = own_addr_type;
4246 hci_req_add(req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp),
4249 memset(&enable_cp, 0, sizeof(enable_cp));
4250 enable_cp.enable = LE_SCAN_ENABLE;
4251 enable_cp.filter_dup = LE_SCAN_FILTER_DUP_ENABLE;
4253 hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(enable_cp),
4259 static bool trigger_discovery(struct hci_request *req, u8 *status)
4261 struct hci_dev *hdev = req->hdev;
4263 switch (hdev->discovery.type) {
4264 case DISCOV_TYPE_BREDR:
4265 if (!trigger_bredr_inquiry(req, status))
4269 case DISCOV_TYPE_INTERLEAVED:
4270 if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY,
4272 /* During simultaneous discovery, we double LE scan
4273 * interval. We must leave some time for the controller
4274 * to do BR/EDR inquiry.
4276 if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT * 2,
4280 if (!trigger_bredr_inquiry(req, status))
4286 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
4287 *status = MGMT_STATUS_NOT_SUPPORTED;
4292 case DISCOV_TYPE_LE:
4293 if (!trigger_le_scan(req, DISCOV_LE_SCAN_INT, status))
4298 *status = MGMT_STATUS_INVALID_PARAMS;
4305 static void start_discovery_complete(struct hci_dev *hdev, u8 status,
4308 struct mgmt_pending_cmd *cmd;
4309 unsigned long timeout;
4311 BT_DBG("status %d", status);
4315 cmd = pending_find(MGMT_OP_START_DISCOVERY, hdev);
4317 cmd = pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev);
4320 cmd->cmd_complete(cmd, mgmt_status(status));
4321 mgmt_pending_remove(cmd);
4325 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4329 hci_discovery_set_state(hdev, DISCOVERY_FINDING);
4331 /* If the scan involves LE scan, pick proper timeout to schedule
4332 * hdev->le_scan_disable that will stop it.
4334 switch (hdev->discovery.type) {
4335 case DISCOV_TYPE_LE:
4336 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
4338 case DISCOV_TYPE_INTERLEAVED:
4339 /* When running simultaneous discovery, the LE scanning time
4340 * should occupy the whole discovery time sine BR/EDR inquiry
4341 * and LE scanning are scheduled by the controller.
4343 * For interleaving discovery in comparison, BR/EDR inquiry
4344 * and LE scanning are done sequentially with separate
4347 if (test_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks))
4348 timeout = msecs_to_jiffies(DISCOV_LE_TIMEOUT);
4350 timeout = msecs_to_jiffies(hdev->discov_interleaved_timeout);
4352 case DISCOV_TYPE_BREDR:
4356 BT_ERR("Invalid discovery type %d", hdev->discovery.type);
4362 /* When service discovery is used and the controller has
4363 * a strict duplicate filter, it is important to remember
4364 * the start and duration of the scan. This is required
4365 * for restarting scanning during the discovery phase.
4367 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER,
4369 hdev->discovery.result_filtering) {
4370 hdev->discovery.scan_start = jiffies;
4371 hdev->discovery.scan_duration = timeout;
4374 queue_delayed_work(hdev->workqueue,
4375 &hdev->le_scan_disable, timeout);
4379 hci_dev_unlock(hdev);
4382 static int start_discovery(struct sock *sk, struct hci_dev *hdev,
4383 void *data, u16 len)
4385 struct mgmt_cp_start_discovery *cp = data;
4386 struct mgmt_pending_cmd *cmd;
4387 struct hci_request req;
4391 BT_DBG("%s", hdev->name);
4395 if (!hdev_is_powered(hdev)) {
4396 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4397 MGMT_STATUS_NOT_POWERED,
4398 &cp->type, sizeof(cp->type));
4402 if (hdev->discovery.state != DISCOVERY_STOPPED ||
4403 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
4404 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4405 MGMT_STATUS_BUSY, &cp->type,
4410 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, data, len);
4416 cmd->cmd_complete = generic_cmd_complete;
4418 /* Clear the discovery filter first to free any previously
4419 * allocated memory for the UUID list.
4421 hci_discovery_filter_clear(hdev);
4423 hdev->discovery.type = cp->type;
4424 hdev->discovery.report_invalid_rssi = false;
4426 hci_req_init(&req, hdev);
4428 if (!trigger_discovery(&req, &status)) {
4429 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_START_DISCOVERY,
4430 status, &cp->type, sizeof(cp->type));
4431 mgmt_pending_remove(cmd);
4435 err = hci_req_run(&req, start_discovery_complete);
4437 mgmt_pending_remove(cmd);
4441 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
4444 hci_dev_unlock(hdev);
4448 static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd,
4451 return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status,
4455 static int start_service_discovery(struct sock *sk, struct hci_dev *hdev,
4456 void *data, u16 len)
4458 struct mgmt_cp_start_service_discovery *cp = data;
4459 struct mgmt_pending_cmd *cmd;
4460 struct hci_request req;
4461 const u16 max_uuid_count = ((U16_MAX - sizeof(*cp)) / 16);
4462 u16 uuid_count, expected_len;
4466 BT_DBG("%s", hdev->name);
4470 if (!hdev_is_powered(hdev)) {
4471 err = mgmt_cmd_complete(sk, hdev->id,
4472 MGMT_OP_START_SERVICE_DISCOVERY,
4473 MGMT_STATUS_NOT_POWERED,
4474 &cp->type, sizeof(cp->type));
4478 if (hdev->discovery.state != DISCOVERY_STOPPED ||
4479 hci_dev_test_flag(hdev, HCI_PERIODIC_INQ)) {
4480 err = mgmt_cmd_complete(sk, hdev->id,
4481 MGMT_OP_START_SERVICE_DISCOVERY,
4482 MGMT_STATUS_BUSY, &cp->type,
4487 uuid_count = __le16_to_cpu(cp->uuid_count);
4488 if (uuid_count > max_uuid_count) {
4489 BT_ERR("service_discovery: too big uuid_count value %u",
4491 err = mgmt_cmd_complete(sk, hdev->id,
4492 MGMT_OP_START_SERVICE_DISCOVERY,
4493 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4498 expected_len = sizeof(*cp) + uuid_count * 16;
4499 if (expected_len != len) {
4500 BT_ERR("service_discovery: expected %u bytes, got %u bytes",
4502 err = mgmt_cmd_complete(sk, hdev->id,
4503 MGMT_OP_START_SERVICE_DISCOVERY,
4504 MGMT_STATUS_INVALID_PARAMS, &cp->type,
4509 cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY,
4516 cmd->cmd_complete = service_discovery_cmd_complete;
4518 /* Clear the discovery filter first to free any previously
4519 * allocated memory for the UUID list.
4521 hci_discovery_filter_clear(hdev);
4523 hdev->discovery.result_filtering = true;
4524 hdev->discovery.type = cp->type;
4525 hdev->discovery.rssi = cp->rssi;
4526 hdev->discovery.uuid_count = uuid_count;
4528 if (uuid_count > 0) {
4529 hdev->discovery.uuids = kmemdup(cp->uuids, uuid_count * 16,
4531 if (!hdev->discovery.uuids) {
4532 err = mgmt_cmd_complete(sk, hdev->id,
4533 MGMT_OP_START_SERVICE_DISCOVERY,
4535 &cp->type, sizeof(cp->type));
4536 mgmt_pending_remove(cmd);
4541 hci_req_init(&req, hdev);
4543 if (!trigger_discovery(&req, &status)) {
4544 err = mgmt_cmd_complete(sk, hdev->id,
4545 MGMT_OP_START_SERVICE_DISCOVERY,
4546 status, &cp->type, sizeof(cp->type));
4547 mgmt_pending_remove(cmd);
4551 err = hci_req_run(&req, start_discovery_complete);
4553 mgmt_pending_remove(cmd);
4557 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
4560 hci_dev_unlock(hdev);
4564 static void stop_discovery_complete(struct hci_dev *hdev, u8 status, u16 opcode)
4566 struct mgmt_pending_cmd *cmd;
4568 BT_DBG("status %d", status);
4572 cmd = pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
4574 cmd->cmd_complete(cmd, mgmt_status(status));
4575 mgmt_pending_remove(cmd);
4579 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4581 hci_dev_unlock(hdev);
4584 static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
4587 struct mgmt_cp_stop_discovery *mgmt_cp = data;
4588 struct mgmt_pending_cmd *cmd;
4589 struct hci_request req;
4592 BT_DBG("%s", hdev->name);
4596 if (!hci_discovery_active(hdev)) {
4597 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4598 MGMT_STATUS_REJECTED, &mgmt_cp->type,
4599 sizeof(mgmt_cp->type));
4603 if (hdev->discovery.type != mgmt_cp->type) {
4604 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
4605 MGMT_STATUS_INVALID_PARAMS,
4606 &mgmt_cp->type, sizeof(mgmt_cp->type));
4610 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len);
4616 cmd->cmd_complete = generic_cmd_complete;
4618 hci_req_init(&req, hdev);
4620 hci_stop_discovery(&req);
4622 err = hci_req_run(&req, stop_discovery_complete);
4624 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
4628 mgmt_pending_remove(cmd);
4630 /* If no HCI commands were sent we're done */
4631 if (err == -ENODATA) {
4632 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0,
4633 &mgmt_cp->type, sizeof(mgmt_cp->type));
4634 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
4638 hci_dev_unlock(hdev);
4642 static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
4645 struct mgmt_cp_confirm_name *cp = data;
4646 struct inquiry_entry *e;
4649 BT_DBG("%s", hdev->name);
4653 if (!hci_discovery_active(hdev)) {
4654 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4655 MGMT_STATUS_FAILED, &cp->addr,
4660 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
4662 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
4663 MGMT_STATUS_INVALID_PARAMS, &cp->addr,
4668 if (cp->name_known) {
4669 e->name_state = NAME_KNOWN;
4672 e->name_state = NAME_NEEDED;
4673 hci_inquiry_cache_update_resolve(hdev, e);
4676 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0,
4677 &cp->addr, sizeof(cp->addr));
4680 hci_dev_unlock(hdev);
4684 static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
4687 struct mgmt_cp_block_device *cp = data;
4691 BT_DBG("%s", hdev->name);
4693 if (!bdaddr_type_is_valid(cp->addr.type))
4694 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE,
4695 MGMT_STATUS_INVALID_PARAMS,
4696 &cp->addr, sizeof(cp->addr));
4700 err = hci_bdaddr_list_add(&hdev->blacklist, &cp->addr.bdaddr,
4703 status = MGMT_STATUS_FAILED;
4707 mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4709 status = MGMT_STATUS_SUCCESS;
4712 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
4713 &cp->addr, sizeof(cp->addr));
4715 hci_dev_unlock(hdev);
4720 static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
4723 struct mgmt_cp_unblock_device *cp = data;
4727 BT_DBG("%s", hdev->name);
4729 if (!bdaddr_type_is_valid(cp->addr.type))
4730 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE,
4731 MGMT_STATUS_INVALID_PARAMS,
4732 &cp->addr, sizeof(cp->addr));
4736 err = hci_bdaddr_list_del(&hdev->blacklist, &cp->addr.bdaddr,
4739 status = MGMT_STATUS_INVALID_PARAMS;
4743 mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &cp->addr, sizeof(cp->addr),
4745 status = MGMT_STATUS_SUCCESS;
4748 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
4749 &cp->addr, sizeof(cp->addr));
4751 hci_dev_unlock(hdev);
4756 static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
4759 struct mgmt_cp_set_device_id *cp = data;
4760 struct hci_request req;
4764 BT_DBG("%s", hdev->name);
4766 source = __le16_to_cpu(cp->source);
4768 if (source > 0x0002)
4769 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
4770 MGMT_STATUS_INVALID_PARAMS);
4774 hdev->devid_source = source;
4775 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
4776 hdev->devid_product = __le16_to_cpu(cp->product);
4777 hdev->devid_version = __le16_to_cpu(cp->version);
4779 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0,
4782 hci_req_init(&req, hdev);
4784 hci_req_run(&req, NULL);
4786 hci_dev_unlock(hdev);
4791 static void enable_advertising_instance(struct hci_dev *hdev, u8 status,
4794 BT_DBG("status %d", status);
4797 static void set_advertising_complete(struct hci_dev *hdev, u8 status,
4800 struct cmd_lookup match = { NULL, hdev };
4801 struct hci_request req;
4803 struct adv_info *adv_instance;
4809 u8 mgmt_err = mgmt_status(status);
4811 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev,
4812 cmd_status_rsp, &mgmt_err);
4816 if (hci_dev_test_flag(hdev, HCI_LE_ADV))
4817 hci_dev_set_flag(hdev, HCI_ADVERTISING);
4819 hci_dev_clear_flag(hdev, HCI_ADVERTISING);
4821 mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp,
4824 new_settings(hdev, match.sk);
4829 /* If "Set Advertising" was just disabled and instance advertising was
4830 * set up earlier, then re-enable multi-instance advertising.
4832 if (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
4833 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) ||
4834 list_empty(&hdev->adv_instances))
4837 instance = hdev->cur_adv_instance;
4839 adv_instance = list_first_entry_or_null(&hdev->adv_instances,
4840 struct adv_info, list);
4844 instance = adv_instance->instance;
4847 hci_req_init(&req, hdev);
4849 err = schedule_adv_instance(&req, instance, true);
4852 err = hci_req_run(&req, enable_advertising_instance);
4855 BT_ERR("Failed to re-configure advertising");
4858 hci_dev_unlock(hdev);
4861 static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data,
4864 struct mgmt_mode *cp = data;
4865 struct mgmt_pending_cmd *cmd;
4866 struct hci_request req;
4870 BT_DBG("request for %s", hdev->name);
4872 status = mgmt_le_support(hdev);
4874 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4877 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
4878 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4879 MGMT_STATUS_INVALID_PARAMS);
4885 /* The following conditions are ones which mean that we should
4886 * not do any HCI communication but directly send a mgmt
4887 * response to user space (after toggling the flag if
4890 if (!hdev_is_powered(hdev) ||
4891 (val == hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
4892 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) ||
4893 hci_conn_num(hdev, LE_LINK) > 0 ||
4894 (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
4895 hdev->le_scan_type == LE_SCAN_ACTIVE)) {
4899 changed = !hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING);
4900 if (cp->val == 0x02)
4901 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
4903 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
4905 changed = hci_dev_test_and_clear_flag(hdev, HCI_ADVERTISING);
4906 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
4909 err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev);
4914 err = new_settings(hdev, sk);
4919 if (pending_find(MGMT_OP_SET_ADVERTISING, hdev) ||
4920 pending_find(MGMT_OP_SET_LE, hdev)) {
4921 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING,
4926 cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len);
4932 hci_req_init(&req, hdev);
4934 if (cp->val == 0x02)
4935 hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
4937 hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
4939 cancel_adv_timeout(hdev);
4942 /* Switch to instance "0" for the Set Advertising setting.
4943 * We cannot use update_[adv|scan_rsp]_data() here as the
4944 * HCI_ADVERTISING flag is not yet set.
4946 update_inst_adv_data(&req, 0x00);
4947 update_inst_scan_rsp_data(&req, 0x00);
4948 enable_advertising(&req);
4950 disable_advertising(&req);
4953 err = hci_req_run(&req, set_advertising_complete);
4955 mgmt_pending_remove(cmd);
4958 hci_dev_unlock(hdev);
4962 static int set_static_address(struct sock *sk, struct hci_dev *hdev,
4963 void *data, u16 len)
4965 struct mgmt_cp_set_static_address *cp = data;
4968 BT_DBG("%s", hdev->name);
4970 if (!lmp_le_capable(hdev))
4971 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4972 MGMT_STATUS_NOT_SUPPORTED);
4974 if (hdev_is_powered(hdev))
4975 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS,
4976 MGMT_STATUS_REJECTED);
4978 if (bacmp(&cp->bdaddr, BDADDR_ANY)) {
4979 if (!bacmp(&cp->bdaddr, BDADDR_NONE))
4980 return mgmt_cmd_status(sk, hdev->id,
4981 MGMT_OP_SET_STATIC_ADDRESS,
4982 MGMT_STATUS_INVALID_PARAMS);
4984 /* Two most significant bits shall be set */
4985 if ((cp->bdaddr.b[5] & 0xc0) != 0xc0)
4986 return mgmt_cmd_status(sk, hdev->id,
4987 MGMT_OP_SET_STATIC_ADDRESS,
4988 MGMT_STATUS_INVALID_PARAMS);
4993 bacpy(&hdev->static_addr, &cp->bdaddr);
4995 err = send_settings_rsp(sk, MGMT_OP_SET_STATIC_ADDRESS, hdev);
4999 err = new_settings(hdev, sk);
5002 hci_dev_unlock(hdev);
5006 static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
5007 void *data, u16 len)
5009 struct mgmt_cp_set_scan_params *cp = data;
5010 __u16 interval, window;
5013 BT_DBG("%s", hdev->name);
5015 if (!lmp_le_capable(hdev))
5016 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5017 MGMT_STATUS_NOT_SUPPORTED);
5019 interval = __le16_to_cpu(cp->interval);
5021 if (interval < 0x0004 || interval > 0x4000)
5022 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5023 MGMT_STATUS_INVALID_PARAMS);
5025 window = __le16_to_cpu(cp->window);
5027 if (window < 0x0004 || window > 0x4000)
5028 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5029 MGMT_STATUS_INVALID_PARAMS);
5031 if (window > interval)
5032 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS,
5033 MGMT_STATUS_INVALID_PARAMS);
5037 hdev->le_scan_interval = interval;
5038 hdev->le_scan_window = window;
5040 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0,
5043 /* If background scan is running, restart it so new parameters are
5046 if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
5047 hdev->discovery.state == DISCOVERY_STOPPED) {
5048 struct hci_request req;
5050 hci_req_init(&req, hdev);
5052 hci_req_add_le_scan_disable(&req);
5053 hci_req_add_le_passive_scan(&req);
5055 hci_req_run(&req, NULL);
5058 hci_dev_unlock(hdev);
5063 static void fast_connectable_complete(struct hci_dev *hdev, u8 status,
5066 struct mgmt_pending_cmd *cmd;
5068 BT_DBG("status 0x%02x", status);
5072 cmd = pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
5077 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5078 mgmt_status(status));
5080 struct mgmt_mode *cp = cmd->param;
5083 hci_dev_set_flag(hdev, HCI_FAST_CONNECTABLE);
5085 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
5087 send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
5088 new_settings(hdev, cmd->sk);
5091 mgmt_pending_remove(cmd);
5094 hci_dev_unlock(hdev);
5097 static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
5098 void *data, u16 len)
5100 struct mgmt_mode *cp = data;
5101 struct mgmt_pending_cmd *cmd;
5102 struct hci_request req;
5105 BT_DBG("%s", hdev->name);
5107 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) ||
5108 hdev->hci_ver < BLUETOOTH_VER_1_2)
5109 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5110 MGMT_STATUS_NOT_SUPPORTED);
5112 if (cp->val != 0x00 && cp->val != 0x01)
5113 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5114 MGMT_STATUS_INVALID_PARAMS);
5118 if (pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
5119 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5124 if (!!cp->val == hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE)) {
5125 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5130 if (!hdev_is_powered(hdev)) {
5131 hci_dev_change_flag(hdev, HCI_FAST_CONNECTABLE);
5132 err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
5134 new_settings(hdev, sk);
5138 cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
5145 hci_req_init(&req, hdev);
5147 write_fast_connectable(&req, cp->val);
5149 err = hci_req_run(&req, fast_connectable_complete);
5151 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
5152 MGMT_STATUS_FAILED);
5153 mgmt_pending_remove(cmd);
5157 hci_dev_unlock(hdev);
5162 static void set_bredr_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5164 struct mgmt_pending_cmd *cmd;
5166 BT_DBG("status 0x%02x", status);
5170 cmd = pending_find(MGMT_OP_SET_BREDR, hdev);
5175 u8 mgmt_err = mgmt_status(status);
5177 /* We need to restore the flag if related HCI commands
5180 hci_dev_clear_flag(hdev, HCI_BREDR_ENABLED);
5182 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err);
5184 send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev);
5185 new_settings(hdev, cmd->sk);
5188 mgmt_pending_remove(cmd);
5191 hci_dev_unlock(hdev);
5194 static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
5196 struct mgmt_mode *cp = data;
5197 struct mgmt_pending_cmd *cmd;
5198 struct hci_request req;
5201 BT_DBG("request for %s", hdev->name);
5203 if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev))
5204 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5205 MGMT_STATUS_NOT_SUPPORTED);
5207 if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
5208 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5209 MGMT_STATUS_REJECTED);
5211 if (cp->val != 0x00 && cp->val != 0x01)
5212 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5213 MGMT_STATUS_INVALID_PARAMS);
5217 if (cp->val == hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
5218 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5222 if (!hdev_is_powered(hdev)) {
5224 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
5225 hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
5226 hci_dev_clear_flag(hdev, HCI_LINK_SECURITY);
5227 hci_dev_clear_flag(hdev, HCI_FAST_CONNECTABLE);
5228 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
5231 hci_dev_change_flag(hdev, HCI_BREDR_ENABLED);
5233 err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev);
5237 err = new_settings(hdev, sk);
5241 /* Reject disabling when powered on */
5243 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5244 MGMT_STATUS_REJECTED);
5247 /* When configuring a dual-mode controller to operate
5248 * with LE only and using a static address, then switching
5249 * BR/EDR back on is not allowed.
5251 * Dual-mode controllers shall operate with the public
5252 * address as its identity address for BR/EDR and LE. So
5253 * reject the attempt to create an invalid configuration.
5255 * The same restrictions applies when secure connections
5256 * has been enabled. For BR/EDR this is a controller feature
5257 * while for LE it is a host stack feature. This means that
5258 * switching BR/EDR back on when secure connections has been
5259 * enabled is not a supported transaction.
5261 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
5262 (bacmp(&hdev->static_addr, BDADDR_ANY) ||
5263 hci_dev_test_flag(hdev, HCI_SC_ENABLED))) {
5264 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5265 MGMT_STATUS_REJECTED);
5270 if (pending_find(MGMT_OP_SET_BREDR, hdev)) {
5271 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR,
5276 cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len);
5282 /* We need to flip the bit already here so that update_adv_data
5283 * generates the correct flags.
5285 hci_dev_set_flag(hdev, HCI_BREDR_ENABLED);
5287 hci_req_init(&req, hdev);
5289 write_fast_connectable(&req, false);
5290 __hci_update_page_scan(&req);
5292 /* Since only the advertising data flags will change, there
5293 * is no need to update the scan response data.
5295 update_adv_data(&req);
5297 err = hci_req_run(&req, set_bredr_complete);
5299 mgmt_pending_remove(cmd);
5302 hci_dev_unlock(hdev);
5306 static void sc_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5308 struct mgmt_pending_cmd *cmd;
5309 struct mgmt_mode *cp;
5311 BT_DBG("%s status %u", hdev->name, status);
5315 cmd = pending_find(MGMT_OP_SET_SECURE_CONN, hdev);
5320 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
5321 mgmt_status(status));
5329 hci_dev_clear_flag(hdev, HCI_SC_ENABLED);
5330 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
5333 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
5334 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
5337 hci_dev_set_flag(hdev, HCI_SC_ENABLED);
5338 hci_dev_set_flag(hdev, HCI_SC_ONLY);
5342 send_settings_rsp(cmd->sk, MGMT_OP_SET_SECURE_CONN, hdev);
5343 new_settings(hdev, cmd->sk);
5346 mgmt_pending_remove(cmd);
5348 hci_dev_unlock(hdev);
5351 static int set_secure_conn(struct sock *sk, struct hci_dev *hdev,
5352 void *data, u16 len)
5354 struct mgmt_mode *cp = data;
5355 struct mgmt_pending_cmd *cmd;
5356 struct hci_request req;
5360 BT_DBG("request for %s", hdev->name);
5362 if (!lmp_sc_capable(hdev) &&
5363 !hci_dev_test_flag(hdev, HCI_LE_ENABLED))
5364 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5365 MGMT_STATUS_NOT_SUPPORTED);
5367 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
5368 lmp_sc_capable(hdev) &&
5369 !hci_dev_test_flag(hdev, HCI_SSP_ENABLED))
5370 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5371 MGMT_STATUS_REJECTED);
5373 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
5374 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5375 MGMT_STATUS_INVALID_PARAMS);
5379 if (!hdev_is_powered(hdev) || !lmp_sc_capable(hdev) ||
5380 !hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
5384 changed = !hci_dev_test_and_set_flag(hdev,
5386 if (cp->val == 0x02)
5387 hci_dev_set_flag(hdev, HCI_SC_ONLY);
5389 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
5391 changed = hci_dev_test_and_clear_flag(hdev,
5393 hci_dev_clear_flag(hdev, HCI_SC_ONLY);
5396 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5401 err = new_settings(hdev, sk);
5406 if (pending_find(MGMT_OP_SET_SECURE_CONN, hdev)) {
5407 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_SECURE_CONN,
5414 if (val == hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
5415 (cp->val == 0x02) == hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
5416 err = send_settings_rsp(sk, MGMT_OP_SET_SECURE_CONN, hdev);
5420 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SECURE_CONN, hdev, data, len);
5426 hci_req_init(&req, hdev);
5427 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT, 1, &val);
5428 err = hci_req_run(&req, sc_enable_complete);
5430 mgmt_pending_remove(cmd);
5435 hci_dev_unlock(hdev);
5439 static int set_debug_keys(struct sock *sk, struct hci_dev *hdev,
5440 void *data, u16 len)
5442 struct mgmt_mode *cp = data;
5443 bool changed, use_changed;
5446 BT_DBG("request for %s", hdev->name);
5448 if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02)
5449 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_DEBUG_KEYS,
5450 MGMT_STATUS_INVALID_PARAMS);
5455 changed = !hci_dev_test_and_set_flag(hdev, HCI_KEEP_DEBUG_KEYS);
5457 changed = hci_dev_test_and_clear_flag(hdev,
5458 HCI_KEEP_DEBUG_KEYS);
5460 if (cp->val == 0x02)
5461 use_changed = !hci_dev_test_and_set_flag(hdev,
5462 HCI_USE_DEBUG_KEYS);
5464 use_changed = hci_dev_test_and_clear_flag(hdev,
5465 HCI_USE_DEBUG_KEYS);
5467 if (hdev_is_powered(hdev) && use_changed &&
5468 hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
5469 u8 mode = (cp->val == 0x02) ? 0x01 : 0x00;
5470 hci_send_cmd(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE,
5471 sizeof(mode), &mode);
5474 err = send_settings_rsp(sk, MGMT_OP_SET_DEBUG_KEYS, hdev);
5479 err = new_settings(hdev, sk);
5482 hci_dev_unlock(hdev);
5486 static int set_privacy(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5489 struct mgmt_cp_set_privacy *cp = cp_data;
5493 BT_DBG("request for %s", hdev->name);
5495 if (!lmp_le_capable(hdev))
5496 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5497 MGMT_STATUS_NOT_SUPPORTED);
5499 if (cp->privacy != 0x00 && cp->privacy != 0x01)
5500 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5501 MGMT_STATUS_INVALID_PARAMS);
5503 if (hdev_is_powered(hdev))
5504 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PRIVACY,
5505 MGMT_STATUS_REJECTED);
5509 /* If user space supports this command it is also expected to
5510 * handle IRKs. Therefore, set the HCI_RPA_RESOLVING flag.
5512 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
5515 changed = !hci_dev_test_and_set_flag(hdev, HCI_PRIVACY);
5516 memcpy(hdev->irk, cp->irk, sizeof(hdev->irk));
5517 hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
5519 changed = hci_dev_test_and_clear_flag(hdev, HCI_PRIVACY);
5520 memset(hdev->irk, 0, sizeof(hdev->irk));
5521 hci_dev_clear_flag(hdev, HCI_RPA_EXPIRED);
5524 err = send_settings_rsp(sk, MGMT_OP_SET_PRIVACY, hdev);
5529 err = new_settings(hdev, sk);
5532 hci_dev_unlock(hdev);
5536 static bool irk_is_valid(struct mgmt_irk_info *irk)
5538 switch (irk->addr.type) {
5539 case BDADDR_LE_PUBLIC:
5542 case BDADDR_LE_RANDOM:
5543 /* Two most significant bits shall be set */
5544 if ((irk->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5552 static int load_irks(struct sock *sk, struct hci_dev *hdev, void *cp_data,
5555 struct mgmt_cp_load_irks *cp = cp_data;
5556 const u16 max_irk_count = ((U16_MAX - sizeof(*cp)) /
5557 sizeof(struct mgmt_irk_info));
5558 u16 irk_count, expected_len;
5561 BT_DBG("request for %s", hdev->name);
5563 if (!lmp_le_capable(hdev))
5564 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5565 MGMT_STATUS_NOT_SUPPORTED);
5567 irk_count = __le16_to_cpu(cp->irk_count);
5568 if (irk_count > max_irk_count) {
5569 BT_ERR("load_irks: too big irk_count value %u", irk_count);
5570 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5571 MGMT_STATUS_INVALID_PARAMS);
5574 expected_len = sizeof(*cp) + irk_count * sizeof(struct mgmt_irk_info);
5575 if (expected_len != len) {
5576 BT_ERR("load_irks: expected %u bytes, got %u bytes",
5578 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_IRKS,
5579 MGMT_STATUS_INVALID_PARAMS);
5582 BT_DBG("%s irk_count %u", hdev->name, irk_count);
5584 for (i = 0; i < irk_count; i++) {
5585 struct mgmt_irk_info *key = &cp->irks[i];
5587 if (!irk_is_valid(key))
5588 return mgmt_cmd_status(sk, hdev->id,
5590 MGMT_STATUS_INVALID_PARAMS);
5595 hci_smp_irks_clear(hdev);
5597 for (i = 0; i < irk_count; i++) {
5598 struct mgmt_irk_info *irk = &cp->irks[i];
5601 if (irk->addr.type == BDADDR_LE_PUBLIC)
5602 addr_type = ADDR_LE_DEV_PUBLIC;
5604 addr_type = ADDR_LE_DEV_RANDOM;
5606 hci_add_irk(hdev, &irk->addr.bdaddr, addr_type, irk->val,
5610 hci_dev_set_flag(hdev, HCI_RPA_RESOLVING);
5612 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_IRKS, 0, NULL, 0);
5614 hci_dev_unlock(hdev);
5619 static bool ltk_is_valid(struct mgmt_ltk_info *key)
5621 if (key->master != 0x00 && key->master != 0x01)
5624 switch (key->addr.type) {
5625 case BDADDR_LE_PUBLIC:
5628 case BDADDR_LE_RANDOM:
5629 /* Two most significant bits shall be set */
5630 if ((key->addr.bdaddr.b[5] & 0xc0) != 0xc0)
5638 static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
5639 void *cp_data, u16 len)
5641 struct mgmt_cp_load_long_term_keys *cp = cp_data;
5642 const u16 max_key_count = ((U16_MAX - sizeof(*cp)) /
5643 sizeof(struct mgmt_ltk_info));
5644 u16 key_count, expected_len;
5647 BT_DBG("request for %s", hdev->name);
5649 if (!lmp_le_capable(hdev))
5650 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5651 MGMT_STATUS_NOT_SUPPORTED);
5653 key_count = __le16_to_cpu(cp->key_count);
5654 if (key_count > max_key_count) {
5655 BT_ERR("load_ltks: too big key_count value %u", key_count);
5656 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5657 MGMT_STATUS_INVALID_PARAMS);
5660 expected_len = sizeof(*cp) + key_count *
5661 sizeof(struct mgmt_ltk_info);
5662 if (expected_len != len) {
5663 BT_ERR("load_keys: expected %u bytes, got %u bytes",
5665 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
5666 MGMT_STATUS_INVALID_PARAMS);
5669 BT_DBG("%s key_count %u", hdev->name, key_count);
5671 for (i = 0; i < key_count; i++) {
5672 struct mgmt_ltk_info *key = &cp->keys[i];
5674 if (!ltk_is_valid(key))
5675 return mgmt_cmd_status(sk, hdev->id,
5676 MGMT_OP_LOAD_LONG_TERM_KEYS,
5677 MGMT_STATUS_INVALID_PARAMS);
5682 hci_smp_ltks_clear(hdev);
5684 for (i = 0; i < key_count; i++) {
5685 struct mgmt_ltk_info *key = &cp->keys[i];
5686 u8 type, addr_type, authenticated;
5688 if (key->addr.type == BDADDR_LE_PUBLIC)
5689 addr_type = ADDR_LE_DEV_PUBLIC;
5691 addr_type = ADDR_LE_DEV_RANDOM;
5693 switch (key->type) {
5694 case MGMT_LTK_UNAUTHENTICATED:
5695 authenticated = 0x00;
5696 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
5698 case MGMT_LTK_AUTHENTICATED:
5699 authenticated = 0x01;
5700 type = key->master ? SMP_LTK : SMP_LTK_SLAVE;
5702 case MGMT_LTK_P256_UNAUTH:
5703 authenticated = 0x00;
5704 type = SMP_LTK_P256;
5706 case MGMT_LTK_P256_AUTH:
5707 authenticated = 0x01;
5708 type = SMP_LTK_P256;
5710 case MGMT_LTK_P256_DEBUG:
5711 authenticated = 0x00;
5712 type = SMP_LTK_P256_DEBUG;
5717 hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type,
5718 authenticated, key->val, key->enc_size, key->ediv,
5722 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0,
5725 hci_dev_unlock(hdev);
5730 static int conn_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
5732 struct hci_conn *conn = cmd->user_data;
5733 struct mgmt_rp_get_conn_info rp;
5736 memcpy(&rp.addr, cmd->param, sizeof(rp.addr));
5738 if (status == MGMT_STATUS_SUCCESS) {
5739 rp.rssi = conn->rssi;
5740 rp.tx_power = conn->tx_power;
5741 rp.max_tx_power = conn->max_tx_power;
5743 rp.rssi = HCI_RSSI_INVALID;
5744 rp.tx_power = HCI_TX_POWER_INVALID;
5745 rp.max_tx_power = HCI_TX_POWER_INVALID;
5748 err = mgmt_cmd_complete(cmd->sk, cmd->index, MGMT_OP_GET_CONN_INFO,
5749 status, &rp, sizeof(rp));
5751 hci_conn_drop(conn);
5757 static void conn_info_refresh_complete(struct hci_dev *hdev, u8 hci_status,
5760 struct hci_cp_read_rssi *cp;
5761 struct mgmt_pending_cmd *cmd;
5762 struct hci_conn *conn;
5766 BT_DBG("status 0x%02x", hci_status);
5770 /* Commands sent in request are either Read RSSI or Read Transmit Power
5771 * Level so we check which one was last sent to retrieve connection
5772 * handle. Both commands have handle as first parameter so it's safe to
5773 * cast data on the same command struct.
5775 * First command sent is always Read RSSI and we fail only if it fails.
5776 * In other case we simply override error to indicate success as we
5777 * already remembered if TX power value is actually valid.
5779 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_RSSI);
5781 cp = hci_sent_cmd_data(hdev, HCI_OP_READ_TX_POWER);
5782 status = MGMT_STATUS_SUCCESS;
5784 status = mgmt_status(hci_status);
5788 BT_ERR("invalid sent_cmd in conn_info response");
5792 handle = __le16_to_cpu(cp->handle);
5793 conn = hci_conn_hash_lookup_handle(hdev, handle);
5795 BT_ERR("unknown handle (%d) in conn_info response", handle);
5799 cmd = pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn);
5803 cmd->cmd_complete(cmd, status);
5804 mgmt_pending_remove(cmd);
5807 hci_dev_unlock(hdev);
5810 static int get_conn_info(struct sock *sk, struct hci_dev *hdev, void *data,
5813 struct mgmt_cp_get_conn_info *cp = data;
5814 struct mgmt_rp_get_conn_info rp;
5815 struct hci_conn *conn;
5816 unsigned long conn_info_age;
5819 BT_DBG("%s", hdev->name);
5821 memset(&rp, 0, sizeof(rp));
5822 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
5823 rp.addr.type = cp->addr.type;
5825 if (!bdaddr_type_is_valid(cp->addr.type))
5826 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5827 MGMT_STATUS_INVALID_PARAMS,
5832 if (!hdev_is_powered(hdev)) {
5833 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5834 MGMT_STATUS_NOT_POWERED, &rp,
5839 if (cp->addr.type == BDADDR_BREDR)
5840 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
5843 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
5845 if (!conn || conn->state != BT_CONNECTED) {
5846 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5847 MGMT_STATUS_NOT_CONNECTED, &rp,
5852 if (pending_find_data(MGMT_OP_GET_CONN_INFO, hdev, conn)) {
5853 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5854 MGMT_STATUS_BUSY, &rp, sizeof(rp));
5858 /* To avoid client trying to guess when to poll again for information we
5859 * calculate conn info age as random value between min/max set in hdev.
5861 conn_info_age = hdev->conn_info_min_age +
5862 prandom_u32_max(hdev->conn_info_max_age -
5863 hdev->conn_info_min_age);
5865 /* Query controller to refresh cached values if they are too old or were
5868 if (time_after(jiffies, conn->conn_info_timestamp +
5869 msecs_to_jiffies(conn_info_age)) ||
5870 !conn->conn_info_timestamp) {
5871 struct hci_request req;
5872 struct hci_cp_read_tx_power req_txp_cp;
5873 struct hci_cp_read_rssi req_rssi_cp;
5874 struct mgmt_pending_cmd *cmd;
5876 hci_req_init(&req, hdev);
5877 req_rssi_cp.handle = cpu_to_le16(conn->handle);
5878 hci_req_add(&req, HCI_OP_READ_RSSI, sizeof(req_rssi_cp),
5881 /* For LE links TX power does not change thus we don't need to
5882 * query for it once value is known.
5884 if (!bdaddr_type_is_le(cp->addr.type) ||
5885 conn->tx_power == HCI_TX_POWER_INVALID) {
5886 req_txp_cp.handle = cpu_to_le16(conn->handle);
5887 req_txp_cp.type = 0x00;
5888 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5889 sizeof(req_txp_cp), &req_txp_cp);
5892 /* Max TX power needs to be read only once per connection */
5893 if (conn->max_tx_power == HCI_TX_POWER_INVALID) {
5894 req_txp_cp.handle = cpu_to_le16(conn->handle);
5895 req_txp_cp.type = 0x01;
5896 hci_req_add(&req, HCI_OP_READ_TX_POWER,
5897 sizeof(req_txp_cp), &req_txp_cp);
5900 err = hci_req_run(&req, conn_info_refresh_complete);
5904 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CONN_INFO, hdev,
5911 hci_conn_hold(conn);
5912 cmd->user_data = hci_conn_get(conn);
5913 cmd->cmd_complete = conn_info_cmd_complete;
5915 conn->conn_info_timestamp = jiffies;
5917 /* Cache is valid, just reply with values cached in hci_conn */
5918 rp.rssi = conn->rssi;
5919 rp.tx_power = conn->tx_power;
5920 rp.max_tx_power = conn->max_tx_power;
5922 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CONN_INFO,
5923 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
5927 hci_dev_unlock(hdev);
5931 static int clock_info_cmd_complete(struct mgmt_pending_cmd *cmd, u8 status)
5933 struct hci_conn *conn = cmd->user_data;
5934 struct mgmt_rp_get_clock_info rp;
5935 struct hci_dev *hdev;
5938 memset(&rp, 0, sizeof(rp));
5939 memcpy(&rp.addr, &cmd->param, sizeof(rp.addr));
5944 hdev = hci_dev_get(cmd->index);
5946 rp.local_clock = cpu_to_le32(hdev->clock);
5951 rp.piconet_clock = cpu_to_le32(conn->clock);
5952 rp.accuracy = cpu_to_le16(conn->clock_accuracy);
5956 err = mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, &rp,
5960 hci_conn_drop(conn);
5967 static void get_clock_info_complete(struct hci_dev *hdev, u8 status, u16 opcode)
5969 struct hci_cp_read_clock *hci_cp;
5970 struct mgmt_pending_cmd *cmd;
5971 struct hci_conn *conn;
5973 BT_DBG("%s status %u", hdev->name, status);
5977 hci_cp = hci_sent_cmd_data(hdev, HCI_OP_READ_CLOCK);
5981 if (hci_cp->which) {
5982 u16 handle = __le16_to_cpu(hci_cp->handle);
5983 conn = hci_conn_hash_lookup_handle(hdev, handle);
5988 cmd = pending_find_data(MGMT_OP_GET_CLOCK_INFO, hdev, conn);
5992 cmd->cmd_complete(cmd, mgmt_status(status));
5993 mgmt_pending_remove(cmd);
5996 hci_dev_unlock(hdev);
5999 static int get_clock_info(struct sock *sk, struct hci_dev *hdev, void *data,
6002 struct mgmt_cp_get_clock_info *cp = data;
6003 struct mgmt_rp_get_clock_info rp;
6004 struct hci_cp_read_clock hci_cp;
6005 struct mgmt_pending_cmd *cmd;
6006 struct hci_request req;
6007 struct hci_conn *conn;
6010 BT_DBG("%s", hdev->name);
6012 memset(&rp, 0, sizeof(rp));
6013 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
6014 rp.addr.type = cp->addr.type;
6016 if (cp->addr.type != BDADDR_BREDR)
6017 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6018 MGMT_STATUS_INVALID_PARAMS,
6023 if (!hdev_is_powered(hdev)) {
6024 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_GET_CLOCK_INFO,
6025 MGMT_STATUS_NOT_POWERED, &rp,
6030 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
6031 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
6033 if (!conn || conn->state != BT_CONNECTED) {
6034 err = mgmt_cmd_complete(sk, hdev->id,
6035 MGMT_OP_GET_CLOCK_INFO,
6036 MGMT_STATUS_NOT_CONNECTED,
6044 cmd = mgmt_pending_add(sk, MGMT_OP_GET_CLOCK_INFO, hdev, data, len);
6050 cmd->cmd_complete = clock_info_cmd_complete;
6052 hci_req_init(&req, hdev);
6054 memset(&hci_cp, 0, sizeof(hci_cp));
6055 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6058 hci_conn_hold(conn);
6059 cmd->user_data = hci_conn_get(conn);
6061 hci_cp.handle = cpu_to_le16(conn->handle);
6062 hci_cp.which = 0x01; /* Piconet clock */
6063 hci_req_add(&req, HCI_OP_READ_CLOCK, sizeof(hci_cp), &hci_cp);
6066 err = hci_req_run(&req, get_clock_info_complete);
6068 mgmt_pending_remove(cmd);
6071 hci_dev_unlock(hdev);
6075 static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type)
6077 struct hci_conn *conn;
6079 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, addr);
6083 if (conn->dst_type != type)
6086 if (conn->state != BT_CONNECTED)
6092 /* This function requires the caller holds hdev->lock */
6093 static int hci_conn_params_set(struct hci_request *req, bdaddr_t *addr,
6094 u8 addr_type, u8 auto_connect)
6096 struct hci_dev *hdev = req->hdev;
6097 struct hci_conn_params *params;
6099 params = hci_conn_params_add(hdev, addr, addr_type);
6103 if (params->auto_connect == auto_connect)
6106 list_del_init(¶ms->action);
6108 switch (auto_connect) {
6109 case HCI_AUTO_CONN_DISABLED:
6110 case HCI_AUTO_CONN_LINK_LOSS:
6111 /* If auto connect is being disabled when we're trying to
6112 * connect to device, keep connecting.
6114 if (params->explicit_connect)
6115 list_add(¶ms->action, &hdev->pend_le_conns);
6117 __hci_update_background_scan(req);
6119 case HCI_AUTO_CONN_REPORT:
6120 list_add(¶ms->action, &hdev->pend_le_reports);
6121 __hci_update_background_scan(req);
6123 case HCI_AUTO_CONN_DIRECT:
6124 case HCI_AUTO_CONN_ALWAYS:
6125 if (!is_connected(hdev, addr, addr_type)) {
6126 list_add(¶ms->action, &hdev->pend_le_conns);
6127 __hci_update_background_scan(req);
6132 params->auto_connect = auto_connect;
6134 BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type,
6140 static void device_added(struct sock *sk, struct hci_dev *hdev,
6141 bdaddr_t *bdaddr, u8 type, u8 action)
6143 struct mgmt_ev_device_added ev;
6145 bacpy(&ev.addr.bdaddr, bdaddr);
6146 ev.addr.type = type;
6149 mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
6152 static void add_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
6154 struct mgmt_pending_cmd *cmd;
6156 BT_DBG("status 0x%02x", status);
6160 cmd = pending_find(MGMT_OP_ADD_DEVICE, hdev);
6164 cmd->cmd_complete(cmd, mgmt_status(status));
6165 mgmt_pending_remove(cmd);
6168 hci_dev_unlock(hdev);
6171 static int add_device(struct sock *sk, struct hci_dev *hdev,
6172 void *data, u16 len)
6174 struct mgmt_cp_add_device *cp = data;
6175 struct mgmt_pending_cmd *cmd;
6176 struct hci_request req;
6177 u8 auto_conn, addr_type;
6180 BT_DBG("%s", hdev->name);
6182 if (!bdaddr_type_is_valid(cp->addr.type) ||
6183 !bacmp(&cp->addr.bdaddr, BDADDR_ANY))
6184 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6185 MGMT_STATUS_INVALID_PARAMS,
6186 &cp->addr, sizeof(cp->addr));
6188 if (cp->action != 0x00 && cp->action != 0x01 && cp->action != 0x02)
6189 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_DEVICE,
6190 MGMT_STATUS_INVALID_PARAMS,
6191 &cp->addr, sizeof(cp->addr));
6193 hci_req_init(&req, hdev);
6197 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_DEVICE, hdev, data, len);
6203 cmd->cmd_complete = addr_cmd_complete;
6205 if (cp->addr.type == BDADDR_BREDR) {
6206 /* Only incoming connections action is supported for now */
6207 if (cp->action != 0x01) {
6208 err = cmd->cmd_complete(cmd,
6209 MGMT_STATUS_INVALID_PARAMS);
6210 mgmt_pending_remove(cmd);
6214 err = hci_bdaddr_list_add(&hdev->whitelist, &cp->addr.bdaddr,
6219 __hci_update_page_scan(&req);
6224 if (cp->addr.type == BDADDR_LE_PUBLIC)
6225 addr_type = ADDR_LE_DEV_PUBLIC;
6227 addr_type = ADDR_LE_DEV_RANDOM;
6229 if (cp->action == 0x02)
6230 auto_conn = HCI_AUTO_CONN_ALWAYS;
6231 else if (cp->action == 0x01)
6232 auto_conn = HCI_AUTO_CONN_DIRECT;
6234 auto_conn = HCI_AUTO_CONN_REPORT;
6236 /* Kernel internally uses conn_params with resolvable private
6237 * address, but Add Device allows only identity addresses.
6238 * Make sure it is enforced before calling
6239 * hci_conn_params_lookup.
6241 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
6242 err = cmd->cmd_complete(cmd, MGMT_STATUS_INVALID_PARAMS);
6243 mgmt_pending_remove(cmd);
6247 /* If the connection parameters don't exist for this device,
6248 * they will be created and configured with defaults.
6250 if (hci_conn_params_set(&req, &cp->addr.bdaddr, addr_type,
6252 err = cmd->cmd_complete(cmd, MGMT_STATUS_FAILED);
6253 mgmt_pending_remove(cmd);
6258 device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
6260 err = hci_req_run(&req, add_device_complete);
6262 /* ENODATA means no HCI commands were needed (e.g. if
6263 * the adapter is powered off).
6265 if (err == -ENODATA)
6266 err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
6267 mgmt_pending_remove(cmd);
6271 hci_dev_unlock(hdev);
6275 static void device_removed(struct sock *sk, struct hci_dev *hdev,
6276 bdaddr_t *bdaddr, u8 type)
6278 struct mgmt_ev_device_removed ev;
6280 bacpy(&ev.addr.bdaddr, bdaddr);
6281 ev.addr.type = type;
6283 mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
6286 static void remove_device_complete(struct hci_dev *hdev, u8 status, u16 opcode)
6288 struct mgmt_pending_cmd *cmd;
6290 BT_DBG("status 0x%02x", status);
6294 cmd = pending_find(MGMT_OP_REMOVE_DEVICE, hdev);
6298 cmd->cmd_complete(cmd, mgmt_status(status));
6299 mgmt_pending_remove(cmd);
6302 hci_dev_unlock(hdev);
6305 static int remove_device(struct sock *sk, struct hci_dev *hdev,
6306 void *data, u16 len)
6308 struct mgmt_cp_remove_device *cp = data;
6309 struct mgmt_pending_cmd *cmd;
6310 struct hci_request req;
6313 BT_DBG("%s", hdev->name);
6315 hci_req_init(&req, hdev);
6319 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_DEVICE, hdev, data, len);
6325 cmd->cmd_complete = addr_cmd_complete;
6327 if (bacmp(&cp->addr.bdaddr, BDADDR_ANY)) {
6328 struct hci_conn_params *params;
6331 if (!bdaddr_type_is_valid(cp->addr.type)) {
6332 err = cmd->cmd_complete(cmd,
6333 MGMT_STATUS_INVALID_PARAMS);
6334 mgmt_pending_remove(cmd);
6338 if (cp->addr.type == BDADDR_BREDR) {
6339 err = hci_bdaddr_list_del(&hdev->whitelist,
6343 err = cmd->cmd_complete(cmd,
6344 MGMT_STATUS_INVALID_PARAMS);
6345 mgmt_pending_remove(cmd);
6349 __hci_update_page_scan(&req);
6351 device_removed(sk, hdev, &cp->addr.bdaddr,
6356 if (cp->addr.type == BDADDR_LE_PUBLIC)
6357 addr_type = ADDR_LE_DEV_PUBLIC;
6359 addr_type = ADDR_LE_DEV_RANDOM;
6361 /* Kernel internally uses conn_params with resolvable private
6362 * address, but Remove Device allows only identity addresses.
6363 * Make sure it is enforced before calling
6364 * hci_conn_params_lookup.
6366 if (!hci_is_identity_address(&cp->addr.bdaddr, addr_type)) {
6367 err = cmd->cmd_complete(cmd,
6368 MGMT_STATUS_INVALID_PARAMS);
6369 mgmt_pending_remove(cmd);
6373 params = hci_conn_params_lookup(hdev, &cp->addr.bdaddr,
6376 err = cmd->cmd_complete(cmd,
6377 MGMT_STATUS_INVALID_PARAMS);
6378 mgmt_pending_remove(cmd);
6382 if (params->auto_connect == HCI_AUTO_CONN_DISABLED) {
6383 err = cmd->cmd_complete(cmd,
6384 MGMT_STATUS_INVALID_PARAMS);
6385 mgmt_pending_remove(cmd);
6389 list_del(¶ms->action);
6390 list_del(¶ms->list);
6392 __hci_update_background_scan(&req);
6394 device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
6396 struct hci_conn_params *p, *tmp;
6397 struct bdaddr_list *b, *btmp;
6399 if (cp->addr.type) {
6400 err = cmd->cmd_complete(cmd,
6401 MGMT_STATUS_INVALID_PARAMS);
6402 mgmt_pending_remove(cmd);
6406 list_for_each_entry_safe(b, btmp, &hdev->whitelist, list) {
6407 device_removed(sk, hdev, &b->bdaddr, b->bdaddr_type);
6412 __hci_update_page_scan(&req);
6414 list_for_each_entry_safe(p, tmp, &hdev->le_conn_params, list) {
6415 if (p->auto_connect == HCI_AUTO_CONN_DISABLED)
6417 device_removed(sk, hdev, &p->addr, p->addr_type);
6418 list_del(&p->action);
6423 BT_DBG("All LE connection parameters were removed");
6425 __hci_update_background_scan(&req);
6429 err = hci_req_run(&req, remove_device_complete);
6431 /* ENODATA means no HCI commands were needed (e.g. if
6432 * the adapter is powered off).
6434 if (err == -ENODATA)
6435 err = cmd->cmd_complete(cmd, MGMT_STATUS_SUCCESS);
6436 mgmt_pending_remove(cmd);
6440 hci_dev_unlock(hdev);
6444 static int load_conn_param(struct sock *sk, struct hci_dev *hdev, void *data,
6447 struct mgmt_cp_load_conn_param *cp = data;
6448 const u16 max_param_count = ((U16_MAX - sizeof(*cp)) /
6449 sizeof(struct mgmt_conn_param));
6450 u16 param_count, expected_len;
6453 if (!lmp_le_capable(hdev))
6454 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6455 MGMT_STATUS_NOT_SUPPORTED);
6457 param_count = __le16_to_cpu(cp->param_count);
6458 if (param_count > max_param_count) {
6459 BT_ERR("load_conn_param: too big param_count value %u",
6461 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6462 MGMT_STATUS_INVALID_PARAMS);
6465 expected_len = sizeof(*cp) + param_count *
6466 sizeof(struct mgmt_conn_param);
6467 if (expected_len != len) {
6468 BT_ERR("load_conn_param: expected %u bytes, got %u bytes",
6470 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM,
6471 MGMT_STATUS_INVALID_PARAMS);
6474 BT_DBG("%s param_count %u", hdev->name, param_count);
6478 hci_conn_params_clear_disabled(hdev);
6480 for (i = 0; i < param_count; i++) {
6481 struct mgmt_conn_param *param = &cp->params[i];
6482 struct hci_conn_params *hci_param;
6483 u16 min, max, latency, timeout;
6486 BT_DBG("Adding %pMR (type %u)", ¶m->addr.bdaddr,
6489 if (param->addr.type == BDADDR_LE_PUBLIC) {
6490 addr_type = ADDR_LE_DEV_PUBLIC;
6491 } else if (param->addr.type == BDADDR_LE_RANDOM) {
6492 addr_type = ADDR_LE_DEV_RANDOM;
6494 BT_ERR("Ignoring invalid connection parameters");
6498 min = le16_to_cpu(param->min_interval);
6499 max = le16_to_cpu(param->max_interval);
6500 latency = le16_to_cpu(param->latency);
6501 timeout = le16_to_cpu(param->timeout);
6503 BT_DBG("min 0x%04x max 0x%04x latency 0x%04x timeout 0x%04x",
6504 min, max, latency, timeout);
6506 if (hci_check_conn_params(min, max, latency, timeout) < 0) {
6507 BT_ERR("Ignoring invalid connection parameters");
6511 hci_param = hci_conn_params_add(hdev, ¶m->addr.bdaddr,
6514 BT_ERR("Failed to add connection parameters");
6518 hci_param->conn_min_interval = min;
6519 hci_param->conn_max_interval = max;
6520 hci_param->conn_latency = latency;
6521 hci_param->supervision_timeout = timeout;
6524 hci_dev_unlock(hdev);
6526 return mgmt_cmd_complete(sk, hdev->id, MGMT_OP_LOAD_CONN_PARAM, 0,
6530 static int set_external_config(struct sock *sk, struct hci_dev *hdev,
6531 void *data, u16 len)
6533 struct mgmt_cp_set_external_config *cp = data;
6537 BT_DBG("%s", hdev->name);
6539 if (hdev_is_powered(hdev))
6540 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6541 MGMT_STATUS_REJECTED);
6543 if (cp->config != 0x00 && cp->config != 0x01)
6544 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6545 MGMT_STATUS_INVALID_PARAMS);
6547 if (!test_bit(HCI_QUIRK_EXTERNAL_CONFIG, &hdev->quirks))
6548 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_EXTERNAL_CONFIG,
6549 MGMT_STATUS_NOT_SUPPORTED);
6554 changed = !hci_dev_test_and_set_flag(hdev, HCI_EXT_CONFIGURED);
6556 changed = hci_dev_test_and_clear_flag(hdev, HCI_EXT_CONFIGURED);
6558 err = send_options_rsp(sk, MGMT_OP_SET_EXTERNAL_CONFIG, hdev);
6565 err = new_options(hdev, sk);
6567 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED) == is_configured(hdev)) {
6568 mgmt_index_removed(hdev);
6570 if (hci_dev_test_and_change_flag(hdev, HCI_UNCONFIGURED)) {
6571 hci_dev_set_flag(hdev, HCI_CONFIG);
6572 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
6574 queue_work(hdev->req_workqueue, &hdev->power_on);
6576 set_bit(HCI_RAW, &hdev->flags);
6577 mgmt_index_added(hdev);
6582 hci_dev_unlock(hdev);
6586 static int set_public_address(struct sock *sk, struct hci_dev *hdev,
6587 void *data, u16 len)
6589 struct mgmt_cp_set_public_address *cp = data;
6593 BT_DBG("%s", hdev->name);
6595 if (hdev_is_powered(hdev))
6596 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6597 MGMT_STATUS_REJECTED);
6599 if (!bacmp(&cp->bdaddr, BDADDR_ANY))
6600 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6601 MGMT_STATUS_INVALID_PARAMS);
6603 if (!hdev->set_bdaddr)
6604 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_SET_PUBLIC_ADDRESS,
6605 MGMT_STATUS_NOT_SUPPORTED);
6609 changed = !!bacmp(&hdev->public_addr, &cp->bdaddr);
6610 bacpy(&hdev->public_addr, &cp->bdaddr);
6612 err = send_options_rsp(sk, MGMT_OP_SET_PUBLIC_ADDRESS, hdev);
6619 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
6620 err = new_options(hdev, sk);
6622 if (is_configured(hdev)) {
6623 mgmt_index_removed(hdev);
6625 hci_dev_clear_flag(hdev, HCI_UNCONFIGURED);
6627 hci_dev_set_flag(hdev, HCI_CONFIG);
6628 hci_dev_set_flag(hdev, HCI_AUTO_OFF);
6630 queue_work(hdev->req_workqueue, &hdev->power_on);
6634 hci_dev_unlock(hdev);
6638 static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
6641 eir[eir_len++] = sizeof(type) + data_len;
6642 eir[eir_len++] = type;
6643 memcpy(&eir[eir_len], data, data_len);
6644 eir_len += data_len;
6649 static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
6650 u16 opcode, struct sk_buff *skb)
6652 const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
6653 struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
6654 u8 *h192, *r192, *h256, *r256;
6655 struct mgmt_pending_cmd *cmd;
6659 BT_DBG("%s status %u", hdev->name, status);
6661 cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
6665 mgmt_cp = cmd->param;
6668 status = mgmt_status(status);
6675 } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
6676 struct hci_rp_read_local_oob_data *rp;
6678 if (skb->len != sizeof(*rp)) {
6679 status = MGMT_STATUS_FAILED;
6682 status = MGMT_STATUS_SUCCESS;
6683 rp = (void *)skb->data;
6685 eir_len = 5 + 18 + 18;
6692 struct hci_rp_read_local_oob_ext_data *rp;
6694 if (skb->len != sizeof(*rp)) {
6695 status = MGMT_STATUS_FAILED;
6698 status = MGMT_STATUS_SUCCESS;
6699 rp = (void *)skb->data;
6701 if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
6702 eir_len = 5 + 18 + 18;
6706 eir_len = 5 + 18 + 18 + 18 + 18;
6716 mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL);
6723 eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV,
6724 hdev->dev_class, 3);
6727 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6728 EIR_SSP_HASH_C192, h192, 16);
6729 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6730 EIR_SSP_RAND_R192, r192, 16);
6734 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6735 EIR_SSP_HASH_C256, h256, 16);
6736 eir_len = eir_append_data(mgmt_rp->eir, eir_len,
6737 EIR_SSP_RAND_R256, r256, 16);
6741 mgmt_rp->type = mgmt_cp->type;
6742 mgmt_rp->eir_len = cpu_to_le16(eir_len);
6744 err = mgmt_cmd_complete(cmd->sk, hdev->id,
6745 MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status,
6746 mgmt_rp, sizeof(*mgmt_rp) + eir_len);
6747 if (err < 0 || status)
6750 hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS);
6752 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6753 mgmt_rp, sizeof(*mgmt_rp) + eir_len,
6754 HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
6757 mgmt_pending_remove(cmd);
6760 static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
6761 struct mgmt_cp_read_local_oob_ext_data *cp)
6763 struct mgmt_pending_cmd *cmd;
6764 struct hci_request req;
6767 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
6772 hci_req_init(&req, hdev);
6774 if (bredr_sc_enabled(hdev))
6775 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
6777 hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
6779 err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
6781 mgmt_pending_remove(cmd);
6788 static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
6789 void *data, u16 data_len)
6791 struct mgmt_cp_read_local_oob_ext_data *cp = data;
6792 struct mgmt_rp_read_local_oob_ext_data *rp;
6795 u8 status, flags, role, addr[7], hash[16], rand[16];
6798 BT_DBG("%s", hdev->name);
6800 if (hdev_is_powered(hdev)) {
6802 case BIT(BDADDR_BREDR):
6803 status = mgmt_bredr_support(hdev);
6809 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
6810 status = mgmt_le_support(hdev);
6814 eir_len = 9 + 3 + 18 + 18 + 3;
6817 status = MGMT_STATUS_INVALID_PARAMS;
6822 status = MGMT_STATUS_NOT_POWERED;
6826 rp_len = sizeof(*rp) + eir_len;
6827 rp = kmalloc(rp_len, GFP_ATOMIC);
6838 case BIT(BDADDR_BREDR):
6839 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
6840 err = read_local_ssp_oob_req(hdev, sk, cp);
6841 hci_dev_unlock(hdev);
6845 status = MGMT_STATUS_FAILED;
6848 eir_len = eir_append_data(rp->eir, eir_len,
6850 hdev->dev_class, 3);
6853 case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
6854 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
6855 smp_generate_oob(hdev, hash, rand) < 0) {
6856 hci_dev_unlock(hdev);
6857 status = MGMT_STATUS_FAILED;
6861 /* This should return the active RPA, but since the RPA
6862 * is only programmed on demand, it is really hard to fill
6863 * this in at the moment. For now disallow retrieving
6864 * local out-of-band data when privacy is in use.
6866 * Returning the identity address will not help here since
6867 * pairing happens before the identity resolving key is
6868 * known and thus the connection establishment happens
6869 * based on the RPA and not the identity address.
6871 if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
6872 hci_dev_unlock(hdev);
6873 status = MGMT_STATUS_REJECTED;
6877 if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
6878 !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
6879 (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
6880 bacmp(&hdev->static_addr, BDADDR_ANY))) {
6881 memcpy(addr, &hdev->static_addr, 6);
6884 memcpy(addr, &hdev->bdaddr, 6);
6888 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_BDADDR,
6889 addr, sizeof(addr));
6891 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
6896 eir_len = eir_append_data(rp->eir, eir_len, EIR_LE_ROLE,
6897 &role, sizeof(role));
6899 if (hci_dev_test_flag(hdev, HCI_SC_ENABLED)) {
6900 eir_len = eir_append_data(rp->eir, eir_len,
6902 hash, sizeof(hash));
6904 eir_len = eir_append_data(rp->eir, eir_len,
6906 rand, sizeof(rand));
6909 flags = get_adv_discov_flags(hdev);
6911 if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
6912 flags |= LE_AD_NO_BREDR;
6914 eir_len = eir_append_data(rp->eir, eir_len, EIR_FLAGS,
6915 &flags, sizeof(flags));
6919 hci_dev_unlock(hdev);
6921 hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
6923 status = MGMT_STATUS_SUCCESS;
6926 rp->type = cp->type;
6927 rp->eir_len = cpu_to_le16(eir_len);
6929 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
6930 status, rp, sizeof(*rp) + eir_len);
6931 if (err < 0 || status)
6934 err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
6935 rp, sizeof(*rp) + eir_len,
6936 HCI_MGMT_OOB_DATA_EVENTS, sk);
6944 static u32 get_supported_adv_flags(struct hci_dev *hdev)
6948 flags |= MGMT_ADV_FLAG_CONNECTABLE;
6949 flags |= MGMT_ADV_FLAG_DISCOV;
6950 flags |= MGMT_ADV_FLAG_LIMITED_DISCOV;
6951 flags |= MGMT_ADV_FLAG_MANAGED_FLAGS;
6953 if (hdev->adv_tx_power != HCI_TX_POWER_INVALID)
6954 flags |= MGMT_ADV_FLAG_TX_POWER;
6959 static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
6960 void *data, u16 data_len)
6962 struct mgmt_rp_read_adv_features *rp;
6966 struct adv_info *adv_instance;
6967 u32 supported_flags;
6969 BT_DBG("%s", hdev->name);
6971 if (!lmp_le_capable(hdev))
6972 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
6973 MGMT_STATUS_REJECTED);
6977 rp_len = sizeof(*rp);
6979 instance = hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE);
6981 rp_len += hdev->adv_instance_cnt;
6983 rp = kmalloc(rp_len, GFP_ATOMIC);
6985 hci_dev_unlock(hdev);
6989 supported_flags = get_supported_adv_flags(hdev);
6991 rp->supported_flags = cpu_to_le32(supported_flags);
6992 rp->max_adv_data_len = HCI_MAX_AD_LENGTH;
6993 rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH;
6994 rp->max_instances = HCI_MAX_ADV_INSTANCES;
6998 list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
6999 if (i >= hdev->adv_instance_cnt)
7002 rp->instance[i] = adv_instance->instance;
7005 rp->num_instances = hdev->adv_instance_cnt;
7007 rp->num_instances = 0;
7010 hci_dev_unlock(hdev);
7012 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_ADV_FEATURES,
7013 MGMT_STATUS_SUCCESS, rp, rp_len);
7020 static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
7021 u8 len, bool is_adv_data)
7023 u8 max_len = HCI_MAX_AD_LENGTH;
7025 bool flags_managed = false;
7026 bool tx_power_managed = false;
7027 u32 flags_params = MGMT_ADV_FLAG_DISCOV | MGMT_ADV_FLAG_LIMITED_DISCOV |
7028 MGMT_ADV_FLAG_MANAGED_FLAGS;
7030 if (is_adv_data && (adv_flags & flags_params)) {
7031 flags_managed = true;
7035 if (is_adv_data && (adv_flags & MGMT_ADV_FLAG_TX_POWER)) {
7036 tx_power_managed = true;
7043 /* Make sure that the data is correctly formatted. */
7044 for (i = 0, cur_len = 0; i < len; i += (cur_len + 1)) {
7047 if (flags_managed && data[i + 1] == EIR_FLAGS)
7050 if (tx_power_managed && data[i + 1] == EIR_TX_POWER)
7053 /* If the current field length would exceed the total data
7054 * length, then it's invalid.
7056 if (i + cur_len >= len)
7063 static void add_advertising_complete(struct hci_dev *hdev, u8 status,
7066 struct mgmt_pending_cmd *cmd;
7067 struct mgmt_cp_add_advertising *cp;
7068 struct mgmt_rp_add_advertising rp;
7069 struct adv_info *adv_instance, *n;
7072 BT_DBG("status %d", status);
7076 cmd = pending_find(MGMT_OP_ADD_ADVERTISING, hdev);
7079 hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
7081 list_for_each_entry_safe(adv_instance, n, &hdev->adv_instances, list) {
7082 if (!adv_instance->pending)
7086 adv_instance->pending = false;
7090 instance = adv_instance->instance;
7092 if (hdev->cur_adv_instance == instance)
7093 cancel_adv_timeout(hdev);
7095 hci_remove_adv_instance(hdev, instance);
7096 advertising_removed(cmd ? cmd->sk : NULL, hdev, instance);
7103 rp.instance = cp->instance;
7106 mgmt_cmd_status(cmd->sk, cmd->index, cmd->opcode,
7107 mgmt_status(status));
7109 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode,
7110 mgmt_status(status), &rp, sizeof(rp));
7112 mgmt_pending_remove(cmd);
7115 hci_dev_unlock(hdev);
7118 void mgmt_adv_timeout_expired(struct hci_dev *hdev)
7121 struct hci_request req;
7123 hdev->adv_instance_timeout = 0;
7125 instance = get_current_adv_instance(hdev);
7126 if (instance == 0x00)
7130 hci_req_init(&req, hdev);
7132 clear_adv_instance(hdev, &req, instance, false);
7134 if (list_empty(&hdev->adv_instances))
7135 disable_advertising(&req);
7137 if (!skb_queue_empty(&req.cmd_q))
7138 hci_req_run(&req, NULL);
7140 hci_dev_unlock(hdev);
7143 static int add_advertising(struct sock *sk, struct hci_dev *hdev,
7144 void *data, u16 data_len)
7146 struct mgmt_cp_add_advertising *cp = data;
7147 struct mgmt_rp_add_advertising rp;
7149 u32 supported_flags;
7151 u16 timeout, duration;
7152 unsigned int prev_instance_cnt = hdev->adv_instance_cnt;
7153 u8 schedule_instance = 0;
7154 struct adv_info *next_instance;
7156 struct mgmt_pending_cmd *cmd;
7157 struct hci_request req;
7159 BT_DBG("%s", hdev->name);
7161 status = mgmt_le_support(hdev);
7163 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7166 flags = __le32_to_cpu(cp->flags);
7167 timeout = __le16_to_cpu(cp->timeout);
7168 duration = __le16_to_cpu(cp->duration);
7170 /* The current implementation only supports a subset of the specified
7173 supported_flags = get_supported_adv_flags(hdev);
7174 if (flags & ~supported_flags)
7175 return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7176 MGMT_STATUS_INVALID_PARAMS);
7180 if (timeout && !hdev_is_powered(hdev)) {
7181 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7182 MGMT_STATUS_REJECTED);
7186 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
7187 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
7188 pending_find(MGMT_OP_SET_LE, hdev)) {
7189 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7194 if (!tlv_data_is_valid(hdev, flags, cp->data, cp->adv_data_len, true) ||
7195 !tlv_data_is_valid(hdev, flags, cp->data + cp->adv_data_len,
7196 cp->scan_rsp_len, false)) {
7197 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7198 MGMT_STATUS_INVALID_PARAMS);
7202 err = hci_add_adv_instance(hdev, cp->instance, flags,
7203 cp->adv_data_len, cp->data,
7205 cp->data + cp->adv_data_len,
7208 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7209 MGMT_STATUS_FAILED);
7213 /* Only trigger an advertising added event if a new instance was
7216 if (hdev->adv_instance_cnt > prev_instance_cnt)
7217 advertising_added(sk, hdev, cp->instance);
7219 hci_dev_set_flag(hdev, HCI_ADVERTISING_INSTANCE);
7221 if (hdev->cur_adv_instance == cp->instance) {
7222 /* If the currently advertised instance is being changed then
7223 * cancel the current advertising and schedule the next
7224 * instance. If there is only one instance then the overridden
7225 * advertising data will be visible right away.
7227 cancel_adv_timeout(hdev);
7229 next_instance = hci_get_next_instance(hdev, cp->instance);
7231 schedule_instance = next_instance->instance;
7232 } else if (!hdev->adv_instance_timeout) {
7233 /* Immediately advertise the new instance if no other
7234 * instance is currently being advertised.
7236 schedule_instance = cp->instance;
7239 /* If the HCI_ADVERTISING flag is set or the device isn't powered or
7240 * there is no instance to be advertised then we have no HCI
7241 * communication to make. Simply return.
7243 if (!hdev_is_powered(hdev) ||
7244 hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7245 !schedule_instance) {
7246 rp.instance = cp->instance;
7247 err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
7248 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7252 /* We're good to go, update advertising data, parameters, and start
7255 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_ADVERTISING, hdev, data,
7262 hci_req_init(&req, hdev);
7264 err = schedule_adv_instance(&req, schedule_instance, true);
7267 err = hci_req_run(&req, add_advertising_complete);
7270 mgmt_pending_remove(cmd);
7273 hci_dev_unlock(hdev);
7278 static void remove_advertising_complete(struct hci_dev *hdev, u8 status,
7281 struct mgmt_pending_cmd *cmd;
7282 struct mgmt_cp_remove_advertising *cp;
7283 struct mgmt_rp_remove_advertising rp;
7285 BT_DBG("status %d", status);
7289 /* A failure status here only means that we failed to disable
7290 * advertising. Otherwise, the advertising instance has been removed,
7291 * so report success.
7293 cmd = pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev);
7298 rp.instance = cp->instance;
7300 mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, MGMT_STATUS_SUCCESS,
7302 mgmt_pending_remove(cmd);
7305 hci_dev_unlock(hdev);
7308 static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
7309 void *data, u16 data_len)
7311 struct mgmt_cp_remove_advertising *cp = data;
7312 struct mgmt_rp_remove_advertising rp;
7313 struct mgmt_pending_cmd *cmd;
7314 struct hci_request req;
7317 BT_DBG("%s", hdev->name);
7321 if (cp->instance && !hci_find_adv_instance(hdev, cp->instance)) {
7322 err = mgmt_cmd_status(sk, hdev->id,
7323 MGMT_OP_REMOVE_ADVERTISING,
7324 MGMT_STATUS_INVALID_PARAMS);
7328 if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
7329 pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
7330 pending_find(MGMT_OP_SET_LE, hdev)) {
7331 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7336 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE)) {
7337 err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_REMOVE_ADVERTISING,
7338 MGMT_STATUS_INVALID_PARAMS);
7342 hci_req_init(&req, hdev);
7344 clear_adv_instance(hdev, &req, cp->instance, true);
7346 if (list_empty(&hdev->adv_instances))
7347 disable_advertising(&req);
7349 /* If no HCI commands have been collected so far or the HCI_ADVERTISING
7350 * flag is set or the device isn't powered then we have no HCI
7351 * communication to make. Simply return.
7353 if (skb_queue_empty(&req.cmd_q) ||
7354 !hdev_is_powered(hdev) ||
7355 hci_dev_test_flag(hdev, HCI_ADVERTISING)) {
7356 rp.instance = cp->instance;
7357 err = mgmt_cmd_complete(sk, hdev->id,
7358 MGMT_OP_REMOVE_ADVERTISING,
7359 MGMT_STATUS_SUCCESS, &rp, sizeof(rp));
7363 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_ADVERTISING, hdev, data,
7370 err = hci_req_run(&req, remove_advertising_complete);
7372 mgmt_pending_remove(cmd);
7375 hci_dev_unlock(hdev);
7380 static const struct hci_mgmt_handler mgmt_handlers[] = {
7381 { NULL }, /* 0x0000 (no command) */
7382 { read_version, MGMT_READ_VERSION_SIZE,
7384 HCI_MGMT_UNTRUSTED },
7385 { read_commands, MGMT_READ_COMMANDS_SIZE,
7387 HCI_MGMT_UNTRUSTED },
7388 { read_index_list, MGMT_READ_INDEX_LIST_SIZE,
7390 HCI_MGMT_UNTRUSTED },
7391 { read_controller_info, MGMT_READ_INFO_SIZE,
7392 HCI_MGMT_UNTRUSTED },
7393 { set_powered, MGMT_SETTING_SIZE },
7394 { set_discoverable, MGMT_SET_DISCOVERABLE_SIZE },
7395 { set_connectable, MGMT_SETTING_SIZE },
7396 { set_fast_connectable, MGMT_SETTING_SIZE },
7397 { set_bondable, MGMT_SETTING_SIZE },
7398 { set_link_security, MGMT_SETTING_SIZE },
7399 { set_ssp, MGMT_SETTING_SIZE },
7400 { set_hs, MGMT_SETTING_SIZE },
7401 { set_le, MGMT_SETTING_SIZE },
7402 { set_dev_class, MGMT_SET_DEV_CLASS_SIZE },
7403 { set_local_name, MGMT_SET_LOCAL_NAME_SIZE },
7404 { add_uuid, MGMT_ADD_UUID_SIZE },
7405 { remove_uuid, MGMT_REMOVE_UUID_SIZE },
7406 { load_link_keys, MGMT_LOAD_LINK_KEYS_SIZE,
7408 { load_long_term_keys, MGMT_LOAD_LONG_TERM_KEYS_SIZE,
7410 { disconnect, MGMT_DISCONNECT_SIZE },
7411 { get_connections, MGMT_GET_CONNECTIONS_SIZE },
7412 { pin_code_reply, MGMT_PIN_CODE_REPLY_SIZE },
7413 { pin_code_neg_reply, MGMT_PIN_CODE_NEG_REPLY_SIZE },
7414 { set_io_capability, MGMT_SET_IO_CAPABILITY_SIZE },
7415 { pair_device, MGMT_PAIR_DEVICE_SIZE },
7416 { cancel_pair_device, MGMT_CANCEL_PAIR_DEVICE_SIZE },
7417 { unpair_device, MGMT_UNPAIR_DEVICE_SIZE },
7418 { user_confirm_reply, MGMT_USER_CONFIRM_REPLY_SIZE },
7419 { user_confirm_neg_reply, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
7420 { user_passkey_reply, MGMT_USER_PASSKEY_REPLY_SIZE },
7421 { user_passkey_neg_reply, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
7422 { read_local_oob_data, MGMT_READ_LOCAL_OOB_DATA_SIZE },
7423 { add_remote_oob_data, MGMT_ADD_REMOTE_OOB_DATA_SIZE,
7425 { remove_remote_oob_data, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
7426 { start_discovery, MGMT_START_DISCOVERY_SIZE },
7427 { stop_discovery, MGMT_STOP_DISCOVERY_SIZE },
7428 { confirm_name, MGMT_CONFIRM_NAME_SIZE },
7429 { block_device, MGMT_BLOCK_DEVICE_SIZE },
7430 { unblock_device, MGMT_UNBLOCK_DEVICE_SIZE },
7431 { set_device_id, MGMT_SET_DEVICE_ID_SIZE },
7432 { set_advertising, MGMT_SETTING_SIZE },
7433 { set_bredr, MGMT_SETTING_SIZE },
7434 { set_static_address, MGMT_SET_STATIC_ADDRESS_SIZE },
7435 { set_scan_params, MGMT_SET_SCAN_PARAMS_SIZE },
7436 { set_secure_conn, MGMT_SETTING_SIZE },
7437 { set_debug_keys, MGMT_SETTING_SIZE },
7438 { set_privacy, MGMT_SET_PRIVACY_SIZE },
7439 { load_irks, MGMT_LOAD_IRKS_SIZE,
7441 { get_conn_info, MGMT_GET_CONN_INFO_SIZE },
7442 { get_clock_info, MGMT_GET_CLOCK_INFO_SIZE },
7443 { add_device, MGMT_ADD_DEVICE_SIZE },
7444 { remove_device, MGMT_REMOVE_DEVICE_SIZE },
7445 { load_conn_param, MGMT_LOAD_CONN_PARAM_SIZE,
7447 { read_unconf_index_list, MGMT_READ_UNCONF_INDEX_LIST_SIZE,
7449 HCI_MGMT_UNTRUSTED },
7450 { read_config_info, MGMT_READ_CONFIG_INFO_SIZE,
7451 HCI_MGMT_UNCONFIGURED |
7452 HCI_MGMT_UNTRUSTED },
7453 { set_external_config, MGMT_SET_EXTERNAL_CONFIG_SIZE,
7454 HCI_MGMT_UNCONFIGURED },
7455 { set_public_address, MGMT_SET_PUBLIC_ADDRESS_SIZE,
7456 HCI_MGMT_UNCONFIGURED },
7457 { start_service_discovery, MGMT_START_SERVICE_DISCOVERY_SIZE,
7459 { read_local_oob_ext_data, MGMT_READ_LOCAL_OOB_EXT_DATA_SIZE },
7460 { read_ext_index_list, MGMT_READ_EXT_INDEX_LIST_SIZE,
7462 HCI_MGMT_UNTRUSTED },
7463 { read_adv_features, MGMT_READ_ADV_FEATURES_SIZE },
7464 { add_advertising, MGMT_ADD_ADVERTISING_SIZE,
7466 { remove_advertising, MGMT_REMOVE_ADVERTISING_SIZE },
7469 void mgmt_index_added(struct hci_dev *hdev)
7471 struct mgmt_ev_ext_index ev;
7473 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7476 switch (hdev->dev_type) {
7478 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7479 mgmt_index_event(MGMT_EV_UNCONF_INDEX_ADDED, hdev,
7480 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
7483 mgmt_index_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0,
7484 HCI_MGMT_INDEX_EVENTS);
7497 mgmt_index_event(MGMT_EV_EXT_INDEX_ADDED, hdev, &ev, sizeof(ev),
7498 HCI_MGMT_EXT_INDEX_EVENTS);
7501 void mgmt_index_removed(struct hci_dev *hdev)
7503 struct mgmt_ev_ext_index ev;
7504 u8 status = MGMT_STATUS_INVALID_INDEX;
7506 if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
7509 switch (hdev->dev_type) {
7511 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
7513 if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
7514 mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev,
7515 NULL, 0, HCI_MGMT_UNCONF_INDEX_EVENTS);
7518 mgmt_index_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0,
7519 HCI_MGMT_INDEX_EVENTS);
7532 mgmt_index_event(MGMT_EV_EXT_INDEX_REMOVED, hdev, &ev, sizeof(ev),
7533 HCI_MGMT_EXT_INDEX_EVENTS);
7536 /* This function requires the caller holds hdev->lock */
7537 static void restart_le_actions(struct hci_request *req)
7539 struct hci_dev *hdev = req->hdev;
7540 struct hci_conn_params *p;
7542 list_for_each_entry(p, &hdev->le_conn_params, list) {
7543 /* Needed for AUTO_OFF case where might not "really"
7544 * have been powered off.
7546 list_del_init(&p->action);
7548 switch (p->auto_connect) {
7549 case HCI_AUTO_CONN_DIRECT:
7550 case HCI_AUTO_CONN_ALWAYS:
7551 list_add(&p->action, &hdev->pend_le_conns);
7553 case HCI_AUTO_CONN_REPORT:
7554 list_add(&p->action, &hdev->pend_le_reports);
7561 __hci_update_background_scan(req);
7564 static void powered_complete(struct hci_dev *hdev, u8 status, u16 opcode)
7566 struct cmd_lookup match = { NULL, hdev };
7568 BT_DBG("status 0x%02x", status);
7571 /* Register the available SMP channels (BR/EDR and LE) only
7572 * when successfully powering on the controller. This late
7573 * registration is required so that LE SMP can clearly
7574 * decide if the public address or static address is used.
7581 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
7583 new_settings(hdev, match.sk);
7585 hci_dev_unlock(hdev);
7591 static int powered_update_hci(struct hci_dev *hdev)
7593 struct hci_request req;
7594 struct adv_info *adv_instance;
7597 hci_req_init(&req, hdev);
7599 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
7600 !lmp_host_ssp_capable(hdev)) {
7603 hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
7605 if (bredr_sc_enabled(hdev) && !lmp_host_sc_capable(hdev)) {
7608 hci_req_add(&req, HCI_OP_WRITE_SC_SUPPORT,
7609 sizeof(support), &support);
7613 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
7614 lmp_bredr_capable(hdev)) {
7615 struct hci_cp_write_le_host_supported cp;
7620 /* Check first if we already have the right
7621 * host state (host features set)
7623 if (cp.le != lmp_host_le_capable(hdev) ||
7624 cp.simul != lmp_host_le_br_capable(hdev))
7625 hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
7629 if (lmp_le_capable(hdev)) {
7630 /* Make sure the controller has a good default for
7631 * advertising data. This also applies to the case
7632 * where BR/EDR was toggled during the AUTO_OFF phase.
7634 if (hci_dev_test_flag(hdev, HCI_LE_ENABLED) &&
7635 (hci_dev_test_flag(hdev, HCI_ADVERTISING) ||
7636 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))) {
7637 update_adv_data(&req);
7638 update_scan_rsp_data(&req);
7641 if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7642 hdev->cur_adv_instance == 0x00 &&
7643 !list_empty(&hdev->adv_instances)) {
7644 adv_instance = list_first_entry(&hdev->adv_instances,
7645 struct adv_info, list);
7646 hdev->cur_adv_instance = adv_instance->instance;
7649 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
7650 enable_advertising(&req);
7651 else if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) &&
7652 hdev->cur_adv_instance)
7653 schedule_adv_instance(&req, hdev->cur_adv_instance,
7656 restart_le_actions(&req);
7659 link_sec = hci_dev_test_flag(hdev, HCI_LINK_SECURITY);
7660 if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
7661 hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
7662 sizeof(link_sec), &link_sec);
7664 if (lmp_bredr_capable(hdev)) {
7665 if (hci_dev_test_flag(hdev, HCI_FAST_CONNECTABLE))
7666 write_fast_connectable(&req, true);
7668 write_fast_connectable(&req, false);
7669 __hci_update_page_scan(&req);
7675 return hci_req_run(&req, powered_complete);
7678 int mgmt_powered(struct hci_dev *hdev, u8 powered)
7680 struct cmd_lookup match = { NULL, hdev };
7681 u8 status, zero_cod[] = { 0, 0, 0 };
7684 if (!hci_dev_test_flag(hdev, HCI_MGMT))
7688 if (powered_update_hci(hdev) == 0)
7691 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
7696 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
7698 /* If the power off is because of hdev unregistration let
7699 * use the appropriate INVALID_INDEX status. Otherwise use
7700 * NOT_POWERED. We cover both scenarios here since later in
7701 * mgmt_index_removed() any hci_conn callbacks will have already
7702 * been triggered, potentially causing misleading DISCONNECTED
7705 if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
7706 status = MGMT_STATUS_INVALID_INDEX;
7708 status = MGMT_STATUS_NOT_POWERED;
7710 mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
7712 if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
7713 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
7714 zero_cod, sizeof(zero_cod), NULL);
7717 err = new_settings(hdev, match.sk);
7725 void mgmt_set_powered_failed(struct hci_dev *hdev, int err)
7727 struct mgmt_pending_cmd *cmd;
7730 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
7734 if (err == -ERFKILL)
7735 status = MGMT_STATUS_RFKILLED;
7737 status = MGMT_STATUS_FAILED;
7739 mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status);
7741 mgmt_pending_remove(cmd);
7744 void mgmt_discoverable_timeout(struct hci_dev *hdev)
7746 struct hci_request req;
7750 /* When discoverable timeout triggers, then just make sure
7751 * the limited discoverable flag is cleared. Even in the case
7752 * of a timeout triggered from general discoverable, it is
7753 * safe to unconditionally clear the flag.
7755 hci_dev_clear_flag(hdev, HCI_LIMITED_DISCOVERABLE);
7756 hci_dev_clear_flag(hdev, HCI_DISCOVERABLE);
7758 hci_req_init(&req, hdev);
7759 if (hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
7760 u8 scan = SCAN_PAGE;
7761 hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE,
7762 sizeof(scan), &scan);
7766 /* Advertising instances don't use the global discoverable setting, so
7767 * only update AD if advertising was enabled using Set Advertising.
7769 if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
7770 update_adv_data(&req);
7772 hci_req_run(&req, NULL);
7774 hdev->discov_timeout = 0;
7776 new_settings(hdev, NULL);
7778 hci_dev_unlock(hdev);
7781 void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
7784 struct mgmt_ev_new_link_key ev;
7786 memset(&ev, 0, sizeof(ev));
7788 ev.store_hint = persistent;
7789 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
7790 ev.key.addr.type = BDADDR_BREDR;
7791 ev.key.type = key->type;
7792 memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE);
7793 ev.key.pin_len = key->pin_len;
7795 mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
7798 static u8 mgmt_ltk_type(struct smp_ltk *ltk)
7800 switch (ltk->type) {
7803 if (ltk->authenticated)
7804 return MGMT_LTK_AUTHENTICATED;
7805 return MGMT_LTK_UNAUTHENTICATED;
7807 if (ltk->authenticated)
7808 return MGMT_LTK_P256_AUTH;
7809 return MGMT_LTK_P256_UNAUTH;
7810 case SMP_LTK_P256_DEBUG:
7811 return MGMT_LTK_P256_DEBUG;
7814 return MGMT_LTK_UNAUTHENTICATED;
7817 void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, bool persistent)
7819 struct mgmt_ev_new_long_term_key ev;
7821 memset(&ev, 0, sizeof(ev));
7823 /* Devices using resolvable or non-resolvable random addresses
7824 * without providing an identity resolving key don't require
7825 * to store long term keys. Their addresses will change the
7828 * Only when a remote device provides an identity address
7829 * make sure the long term key is stored. If the remote
7830 * identity is known, the long term keys are internally
7831 * mapped to the identity address. So allow static random
7832 * and public addresses here.
7834 if (key->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7835 (key->bdaddr.b[5] & 0xc0) != 0xc0)
7836 ev.store_hint = 0x00;
7838 ev.store_hint = persistent;
7840 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
7841 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
7842 ev.key.type = mgmt_ltk_type(key);
7843 ev.key.enc_size = key->enc_size;
7844 ev.key.ediv = key->ediv;
7845 ev.key.rand = key->rand;
7847 if (key->type == SMP_LTK)
7850 /* Make sure we copy only the significant bytes based on the
7851 * encryption key size, and set the rest of the value to zeroes.
7853 memcpy(ev.key.val, key->val, key->enc_size);
7854 memset(ev.key.val + key->enc_size, 0,
7855 sizeof(ev.key.val) - key->enc_size);
7857 mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL);
7860 void mgmt_new_irk(struct hci_dev *hdev, struct smp_irk *irk)
7862 struct mgmt_ev_new_irk ev;
7864 memset(&ev, 0, sizeof(ev));
7866 /* For identity resolving keys from devices that are already
7867 * using a public address or static random address, do not
7868 * ask for storing this key. The identity resolving key really
7869 * is only mandatory for devices using resolvable random
7872 * Storing all identity resolving keys has the downside that
7873 * they will be also loaded on next boot of they system. More
7874 * identity resolving keys, means more time during scanning is
7875 * needed to actually resolve these addresses.
7877 if (bacmp(&irk->rpa, BDADDR_ANY))
7878 ev.store_hint = 0x01;
7880 ev.store_hint = 0x00;
7882 bacpy(&ev.rpa, &irk->rpa);
7883 bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr);
7884 ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type);
7885 memcpy(ev.irk.val, irk->val, sizeof(irk->val));
7887 mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL);
7890 void mgmt_new_csrk(struct hci_dev *hdev, struct smp_csrk *csrk,
7893 struct mgmt_ev_new_csrk ev;
7895 memset(&ev, 0, sizeof(ev));
7897 /* Devices using resolvable or non-resolvable random addresses
7898 * without providing an identity resolving key don't require
7899 * to store signature resolving keys. Their addresses will change
7900 * the next time around.
7902 * Only when a remote device provides an identity address
7903 * make sure the signature resolving key is stored. So allow
7904 * static random and public addresses here.
7906 if (csrk->bdaddr_type == ADDR_LE_DEV_RANDOM &&
7907 (csrk->bdaddr.b[5] & 0xc0) != 0xc0)
7908 ev.store_hint = 0x00;
7910 ev.store_hint = persistent;
7912 bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr);
7913 ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type);
7914 ev.key.type = csrk->type;
7915 memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
7917 mgmt_event(MGMT_EV_NEW_CSRK, hdev, &ev, sizeof(ev), NULL);
7920 void mgmt_new_conn_param(struct hci_dev *hdev, bdaddr_t *bdaddr,
7921 u8 bdaddr_type, u8 store_hint, u16 min_interval,
7922 u16 max_interval, u16 latency, u16 timeout)
7924 struct mgmt_ev_new_conn_param ev;
7926 if (!hci_is_identity_address(bdaddr, bdaddr_type))
7929 memset(&ev, 0, sizeof(ev));
7930 bacpy(&ev.addr.bdaddr, bdaddr);
7931 ev.addr.type = link_to_bdaddr(LE_LINK, bdaddr_type);
7932 ev.store_hint = store_hint;
7933 ev.min_interval = cpu_to_le16(min_interval);
7934 ev.max_interval = cpu_to_le16(max_interval);
7935 ev.latency = cpu_to_le16(latency);
7936 ev.timeout = cpu_to_le16(timeout);
7938 mgmt_event(MGMT_EV_NEW_CONN_PARAM, hdev, &ev, sizeof(ev), NULL);
7941 void mgmt_device_connected(struct hci_dev *hdev, struct hci_conn *conn,
7942 u32 flags, u8 *name, u8 name_len)
7945 struct mgmt_ev_device_connected *ev = (void *) buf;
7948 bacpy(&ev->addr.bdaddr, &conn->dst);
7949 ev->addr.type = link_to_bdaddr(conn->type, conn->dst_type);
7951 ev->flags = __cpu_to_le32(flags);
7953 /* We must ensure that the EIR Data fields are ordered and
7954 * unique. Keep it simple for now and avoid the problem by not
7955 * adding any BR/EDR data to the LE adv.
7957 if (conn->le_adv_data_len > 0) {
7958 memcpy(&ev->eir[eir_len],
7959 conn->le_adv_data, conn->le_adv_data_len);
7960 eir_len = conn->le_adv_data_len;
7963 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
7966 if (memcmp(conn->dev_class, "\0\0\0", 3) != 0)
7967 eir_len = eir_append_data(ev->eir, eir_len,
7969 conn->dev_class, 3);
7972 ev->eir_len = cpu_to_le16(eir_len);
7974 mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
7975 sizeof(*ev) + eir_len, NULL);
7978 static void disconnect_rsp(struct mgmt_pending_cmd *cmd, void *data)
7980 struct sock **sk = data;
7982 cmd->cmd_complete(cmd, 0);
7987 mgmt_pending_remove(cmd);
7990 static void unpair_device_rsp(struct mgmt_pending_cmd *cmd, void *data)
7992 struct hci_dev *hdev = data;
7993 struct mgmt_cp_unpair_device *cp = cmd->param;
7995 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
7997 cmd->cmd_complete(cmd, 0);
7998 mgmt_pending_remove(cmd);
8001 bool mgmt_powering_down(struct hci_dev *hdev)
8003 struct mgmt_pending_cmd *cmd;
8004 struct mgmt_mode *cp;
8006 cmd = pending_find(MGMT_OP_SET_POWERED, hdev);
8017 void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
8018 u8 link_type, u8 addr_type, u8 reason,
8019 bool mgmt_connected)
8021 struct mgmt_ev_device_disconnected ev;
8022 struct sock *sk = NULL;
8024 /* The connection is still in hci_conn_hash so test for 1
8025 * instead of 0 to know if this is the last one.
8027 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
8028 cancel_delayed_work(&hdev->power_off);
8029 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8032 if (!mgmt_connected)
8035 if (link_type != ACL_LINK && link_type != LE_LINK)
8038 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
8040 bacpy(&ev.addr.bdaddr, bdaddr);
8041 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8044 mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
8049 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
8053 void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
8054 u8 link_type, u8 addr_type, u8 status)
8056 u8 bdaddr_type = link_to_bdaddr(link_type, addr_type);
8057 struct mgmt_cp_disconnect *cp;
8058 struct mgmt_pending_cmd *cmd;
8060 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
8063 cmd = pending_find(MGMT_OP_DISCONNECT, hdev);
8069 if (bacmp(bdaddr, &cp->addr.bdaddr))
8072 if (cp->addr.type != bdaddr_type)
8075 cmd->cmd_complete(cmd, mgmt_status(status));
8076 mgmt_pending_remove(cmd);
8079 void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8080 u8 addr_type, u8 status)
8082 struct mgmt_ev_connect_failed ev;
8084 /* The connection is still in hci_conn_hash so test for 1
8085 * instead of 0 to know if this is the last one.
8087 if (mgmt_powering_down(hdev) && hci_conn_count(hdev) == 1) {
8088 cancel_delayed_work(&hdev->power_off);
8089 queue_work(hdev->req_workqueue, &hdev->power_off.work);
8092 bacpy(&ev.addr.bdaddr, bdaddr);
8093 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8094 ev.status = mgmt_status(status);
8096 mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
8099 void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
8101 struct mgmt_ev_pin_code_request ev;
8103 bacpy(&ev.addr.bdaddr, bdaddr);
8104 ev.addr.type = BDADDR_BREDR;
8107 mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL);
8110 void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8113 struct mgmt_pending_cmd *cmd;
8115 cmd = pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
8119 cmd->cmd_complete(cmd, mgmt_status(status));
8120 mgmt_pending_remove(cmd);
8123 void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8126 struct mgmt_pending_cmd *cmd;
8128 cmd = pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
8132 cmd->cmd_complete(cmd, mgmt_status(status));
8133 mgmt_pending_remove(cmd);
8136 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8137 u8 link_type, u8 addr_type, u32 value,
8140 struct mgmt_ev_user_confirm_request ev;
8142 BT_DBG("%s", hdev->name);
8144 bacpy(&ev.addr.bdaddr, bdaddr);
8145 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8146 ev.confirm_hint = confirm_hint;
8147 ev.value = cpu_to_le32(value);
8149 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
8153 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
8154 u8 link_type, u8 addr_type)
8156 struct mgmt_ev_user_passkey_request ev;
8158 BT_DBG("%s", hdev->name);
8160 bacpy(&ev.addr.bdaddr, bdaddr);
8161 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8163 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
8167 static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8168 u8 link_type, u8 addr_type, u8 status,
8171 struct mgmt_pending_cmd *cmd;
8173 cmd = pending_find(opcode, hdev);
8177 cmd->cmd_complete(cmd, mgmt_status(status));
8178 mgmt_pending_remove(cmd);
8183 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8184 u8 link_type, u8 addr_type, u8 status)
8186 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8187 status, MGMT_OP_USER_CONFIRM_REPLY);
8190 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8191 u8 link_type, u8 addr_type, u8 status)
8193 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8195 MGMT_OP_USER_CONFIRM_NEG_REPLY);
8198 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8199 u8 link_type, u8 addr_type, u8 status)
8201 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8202 status, MGMT_OP_USER_PASSKEY_REPLY);
8205 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
8206 u8 link_type, u8 addr_type, u8 status)
8208 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
8210 MGMT_OP_USER_PASSKEY_NEG_REPLY);
8213 int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
8214 u8 link_type, u8 addr_type, u32 passkey,
8217 struct mgmt_ev_passkey_notify ev;
8219 BT_DBG("%s", hdev->name);
8221 bacpy(&ev.addr.bdaddr, bdaddr);
8222 ev.addr.type = link_to_bdaddr(link_type, addr_type);
8223 ev.passkey = __cpu_to_le32(passkey);
8224 ev.entered = entered;
8226 return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL);
8229 void mgmt_auth_failed(struct hci_conn *conn, u8 hci_status)
8231 struct mgmt_ev_auth_failed ev;
8232 struct mgmt_pending_cmd *cmd;
8233 u8 status = mgmt_status(hci_status);
8235 bacpy(&ev.addr.bdaddr, &conn->dst);
8236 ev.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
8239 cmd = find_pairing(conn);
8241 mgmt_event(MGMT_EV_AUTH_FAILED, conn->hdev, &ev, sizeof(ev),
8242 cmd ? cmd->sk : NULL);
8245 cmd->cmd_complete(cmd, status);
8246 mgmt_pending_remove(cmd);
8250 void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
8252 struct cmd_lookup match = { NULL, hdev };
8256 u8 mgmt_err = mgmt_status(status);
8257 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
8258 cmd_status_rsp, &mgmt_err);
8262 if (test_bit(HCI_AUTH, &hdev->flags))
8263 changed = !hci_dev_test_and_set_flag(hdev, HCI_LINK_SECURITY);
8265 changed = hci_dev_test_and_clear_flag(hdev, HCI_LINK_SECURITY);
8267 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
8271 new_settings(hdev, match.sk);
8277 static void clear_eir(struct hci_request *req)
8279 struct hci_dev *hdev = req->hdev;
8280 struct hci_cp_write_eir cp;
8282 if (!lmp_ext_inq_capable(hdev))
8285 memset(hdev->eir, 0, sizeof(hdev->eir));
8287 memset(&cp, 0, sizeof(cp));
8289 hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
8292 void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
8294 struct cmd_lookup match = { NULL, hdev };
8295 struct hci_request req;
8296 bool changed = false;
8299 u8 mgmt_err = mgmt_status(status);
8301 if (enable && hci_dev_test_and_clear_flag(hdev,
8303 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
8304 new_settings(hdev, NULL);
8307 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
8313 changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
8315 changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
8317 changed = hci_dev_test_and_clear_flag(hdev,
8320 hci_dev_clear_flag(hdev, HCI_HS_ENABLED);
8323 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
8326 new_settings(hdev, match.sk);
8331 hci_req_init(&req, hdev);
8333 if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
8334 if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS))
8335 hci_req_add(&req, HCI_OP_WRITE_SSP_DEBUG_MODE,
8336 sizeof(enable), &enable);
8342 hci_req_run(&req, NULL);
8345 static void sk_lookup(struct mgmt_pending_cmd *cmd, void *data)
8347 struct cmd_lookup *match = data;
8349 if (match->sk == NULL) {
8350 match->sk = cmd->sk;
8351 sock_hold(match->sk);
8355 void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
8358 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
8360 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
8361 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
8362 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
8365 mgmt_generic_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
8366 dev_class, 3, NULL);
8372 void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
8374 struct mgmt_cp_set_local_name ev;
8375 struct mgmt_pending_cmd *cmd;
8380 memset(&ev, 0, sizeof(ev));
8381 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
8382 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
8384 cmd = pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
8386 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
8388 /* If this is a HCI command related to powering on the
8389 * HCI dev don't send any mgmt signals.
8391 if (pending_find(MGMT_OP_SET_POWERED, hdev))
8395 mgmt_generic_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
8396 cmd ? cmd->sk : NULL);
8399 static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
8403 for (i = 0; i < uuid_count; i++) {
8404 if (!memcmp(uuid, uuids[i], 16))
8411 static bool eir_has_uuids(u8 *eir, u16 eir_len, u16 uuid_count, u8 (*uuids)[16])
8415 while (parsed < eir_len) {
8416 u8 field_len = eir[0];
8423 if (eir_len - parsed < field_len + 1)
8427 case EIR_UUID16_ALL:
8428 case EIR_UUID16_SOME:
8429 for (i = 0; i + 3 <= field_len; i += 2) {
8430 memcpy(uuid, bluetooth_base_uuid, 16);
8431 uuid[13] = eir[i + 3];
8432 uuid[12] = eir[i + 2];
8433 if (has_uuid(uuid, uuid_count, uuids))
8437 case EIR_UUID32_ALL:
8438 case EIR_UUID32_SOME:
8439 for (i = 0; i + 5 <= field_len; i += 4) {
8440 memcpy(uuid, bluetooth_base_uuid, 16);
8441 uuid[15] = eir[i + 5];
8442 uuid[14] = eir[i + 4];
8443 uuid[13] = eir[i + 3];
8444 uuid[12] = eir[i + 2];
8445 if (has_uuid(uuid, uuid_count, uuids))
8449 case EIR_UUID128_ALL:
8450 case EIR_UUID128_SOME:
8451 for (i = 0; i + 17 <= field_len; i += 16) {
8452 memcpy(uuid, eir + i + 2, 16);
8453 if (has_uuid(uuid, uuid_count, uuids))
8459 parsed += field_len + 1;
8460 eir += field_len + 1;
8466 static void restart_le_scan(struct hci_dev *hdev)
8468 /* If controller is not scanning we are done. */
8469 if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
8472 if (time_after(jiffies + DISCOV_LE_RESTART_DELAY,
8473 hdev->discovery.scan_start +
8474 hdev->discovery.scan_duration))
8477 queue_delayed_work(hdev->workqueue, &hdev->le_scan_restart,
8478 DISCOV_LE_RESTART_DELAY);
8481 static bool is_filter_match(struct hci_dev *hdev, s8 rssi, u8 *eir,
8482 u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
8484 /* If a RSSI threshold has been specified, and
8485 * HCI_QUIRK_STRICT_DUPLICATE_FILTER is not set, then all results with
8486 * a RSSI smaller than the RSSI threshold will be dropped. If the quirk
8487 * is set, let it through for further processing, as we might need to
8490 * For BR/EDR devices (pre 1.2) providing no RSSI during inquiry,
8491 * the results are also dropped.
8493 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
8494 (rssi == HCI_RSSI_INVALID ||
8495 (rssi < hdev->discovery.rssi &&
8496 !test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks))))
8499 if (hdev->discovery.uuid_count != 0) {
8500 /* If a list of UUIDs is provided in filter, results with no
8501 * matching UUID should be dropped.
8503 if (!eir_has_uuids(eir, eir_len, hdev->discovery.uuid_count,
8504 hdev->discovery.uuids) &&
8505 !eir_has_uuids(scan_rsp, scan_rsp_len,
8506 hdev->discovery.uuid_count,
8507 hdev->discovery.uuids))
8511 /* If duplicate filtering does not report RSSI changes, then restart
8512 * scanning to ensure updated result with updated RSSI values.
8514 if (test_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks)) {
8515 restart_le_scan(hdev);
8517 /* Validate RSSI value against the RSSI threshold once more. */
8518 if (hdev->discovery.rssi != HCI_RSSI_INVALID &&
8519 rssi < hdev->discovery.rssi)
8526 void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8527 u8 addr_type, u8 *dev_class, s8 rssi, u32 flags,
8528 u8 *eir, u16 eir_len, u8 *scan_rsp, u8 scan_rsp_len)
8531 struct mgmt_ev_device_found *ev = (void *)buf;
8534 /* Don't send events for a non-kernel initiated discovery. With
8535 * LE one exception is if we have pend_le_reports > 0 in which
8536 * case we're doing passive scanning and want these events.
8538 if (!hci_discovery_active(hdev)) {
8539 if (link_type == ACL_LINK)
8541 if (link_type == LE_LINK && list_empty(&hdev->pend_le_reports))
8545 if (hdev->discovery.result_filtering) {
8546 /* We are using service discovery */
8547 if (!is_filter_match(hdev, rssi, eir, eir_len, scan_rsp,
8552 /* Make sure that the buffer is big enough. The 5 extra bytes
8553 * are for the potential CoD field.
8555 if (sizeof(*ev) + eir_len + scan_rsp_len + 5 > sizeof(buf))
8558 memset(buf, 0, sizeof(buf));
8560 /* In case of device discovery with BR/EDR devices (pre 1.2), the
8561 * RSSI value was reported as 0 when not available. This behavior
8562 * is kept when using device discovery. This is required for full
8563 * backwards compatibility with the API.
8565 * However when using service discovery, the value 127 will be
8566 * returned when the RSSI is not available.
8568 if (rssi == HCI_RSSI_INVALID && !hdev->discovery.report_invalid_rssi &&
8569 link_type == ACL_LINK)
8572 bacpy(&ev->addr.bdaddr, bdaddr);
8573 ev->addr.type = link_to_bdaddr(link_type, addr_type);
8575 ev->flags = cpu_to_le32(flags);
8578 /* Copy EIR or advertising data into event */
8579 memcpy(ev->eir, eir, eir_len);
8581 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
8582 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
8585 if (scan_rsp_len > 0)
8586 /* Append scan response data to event */
8587 memcpy(ev->eir + eir_len, scan_rsp, scan_rsp_len);
8589 ev->eir_len = cpu_to_le16(eir_len + scan_rsp_len);
8590 ev_size = sizeof(*ev) + eir_len + scan_rsp_len;
8592 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
8595 void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
8596 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
8598 struct mgmt_ev_device_found *ev;
8599 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
8602 ev = (struct mgmt_ev_device_found *) buf;
8604 memset(buf, 0, sizeof(buf));
8606 bacpy(&ev->addr.bdaddr, bdaddr);
8607 ev->addr.type = link_to_bdaddr(link_type, addr_type);
8610 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
8613 ev->eir_len = cpu_to_le16(eir_len);
8615 mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL);
8618 void mgmt_discovering(struct hci_dev *hdev, u8 discovering)
8620 struct mgmt_ev_discovering ev;
8622 BT_DBG("%s discovering %u", hdev->name, discovering);
8624 memset(&ev, 0, sizeof(ev));
8625 ev.type = hdev->discovery.type;
8626 ev.discovering = discovering;
8628 mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
8631 static void adv_enable_complete(struct hci_dev *hdev, u8 status, u16 opcode)
8633 BT_DBG("%s status %u", hdev->name, status);
8636 void mgmt_reenable_advertising(struct hci_dev *hdev)
8638 struct hci_request req;
8641 if (!hci_dev_test_flag(hdev, HCI_ADVERTISING) &&
8642 !hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
8645 instance = get_current_adv_instance(hdev);
8647 hci_req_init(&req, hdev);
8650 schedule_adv_instance(&req, instance, true);
8652 update_adv_data(&req);
8653 update_scan_rsp_data(&req);
8654 enable_advertising(&req);
8657 hci_req_run(&req, adv_enable_complete);
8660 static struct hci_mgmt_chan chan = {
8661 .channel = HCI_CHANNEL_CONTROL,
8662 .handler_count = ARRAY_SIZE(mgmt_handlers),
8663 .handlers = mgmt_handlers,
8664 .hdev_init = mgmt_init_hdev,
8669 return hci_mgmt_chan_register(&chan);
8672 void mgmt_exit(void)
8674 hci_mgmt_chan_unregister(&chan);