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/kernel.h>
28 #include <linux/uaccess.h>
29 #include <linux/module.h>
30 #include <asm/unaligned.h>
32 #include <net/bluetooth/bluetooth.h>
33 #include <net/bluetooth/hci_core.h>
34 #include <net/bluetooth/mgmt.h>
35 #include <net/bluetooth/smp.h>
39 #define MGMT_VERSION 1
40 #define MGMT_REVISION 1
42 static const u16 mgmt_commands[] = {
43 MGMT_OP_READ_INDEX_LIST,
46 MGMT_OP_SET_DISCOVERABLE,
47 MGMT_OP_SET_CONNECTABLE,
48 MGMT_OP_SET_FAST_CONNECTABLE,
50 MGMT_OP_SET_LINK_SECURITY,
54 MGMT_OP_SET_DEV_CLASS,
55 MGMT_OP_SET_LOCAL_NAME,
58 MGMT_OP_LOAD_LINK_KEYS,
59 MGMT_OP_LOAD_LONG_TERM_KEYS,
61 MGMT_OP_GET_CONNECTIONS,
62 MGMT_OP_PIN_CODE_REPLY,
63 MGMT_OP_PIN_CODE_NEG_REPLY,
64 MGMT_OP_SET_IO_CAPABILITY,
66 MGMT_OP_CANCEL_PAIR_DEVICE,
67 MGMT_OP_UNPAIR_DEVICE,
68 MGMT_OP_USER_CONFIRM_REPLY,
69 MGMT_OP_USER_CONFIRM_NEG_REPLY,
70 MGMT_OP_USER_PASSKEY_REPLY,
71 MGMT_OP_USER_PASSKEY_NEG_REPLY,
72 MGMT_OP_READ_LOCAL_OOB_DATA,
73 MGMT_OP_ADD_REMOTE_OOB_DATA,
74 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
75 MGMT_OP_START_DISCOVERY,
76 MGMT_OP_STOP_DISCOVERY,
79 MGMT_OP_UNBLOCK_DEVICE,
80 MGMT_OP_SET_DEVICE_ID,
83 static const u16 mgmt_events[] = {
84 MGMT_EV_CONTROLLER_ERROR,
86 MGMT_EV_INDEX_REMOVED,
88 MGMT_EV_CLASS_OF_DEV_CHANGED,
89 MGMT_EV_LOCAL_NAME_CHANGED,
91 MGMT_EV_NEW_LONG_TERM_KEY,
92 MGMT_EV_DEVICE_CONNECTED,
93 MGMT_EV_DEVICE_DISCONNECTED,
94 MGMT_EV_CONNECT_FAILED,
95 MGMT_EV_PIN_CODE_REQUEST,
96 MGMT_EV_USER_CONFIRM_REQUEST,
97 MGMT_EV_USER_PASSKEY_REQUEST,
101 MGMT_EV_DEVICE_BLOCKED,
102 MGMT_EV_DEVICE_UNBLOCKED,
103 MGMT_EV_DEVICE_UNPAIRED,
107 * These LE scan and inquiry parameters were chosen according to LE General
108 * Discovery Procedure specification.
110 #define LE_SCAN_TYPE 0x01
111 #define LE_SCAN_WIN 0x12
112 #define LE_SCAN_INT 0x12
113 #define LE_SCAN_TIMEOUT_LE_ONLY 10240 /* TGAP(gen_disc_scan_min) */
114 #define LE_SCAN_TIMEOUT_BREDR_LE 5120 /* TGAP(100)/2 */
116 #define INQUIRY_LEN_BREDR 0x08 /* TGAP(100) */
117 #define INQUIRY_LEN_BREDR_LE 0x04 /* TGAP(100)/2 */
119 #define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000)
121 #define hdev_is_powered(hdev) (test_bit(HCI_UP, &hdev->flags) && \
122 !test_bit(HCI_AUTO_OFF, &hdev->dev_flags))
125 struct list_head list;
133 /* HCI to MGMT error code conversion table */
134 static u8 mgmt_status_table[] = {
136 MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */
137 MGMT_STATUS_NOT_CONNECTED, /* No Connection */
138 MGMT_STATUS_FAILED, /* Hardware Failure */
139 MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */
140 MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */
141 MGMT_STATUS_NOT_PAIRED, /* PIN or Key Missing */
142 MGMT_STATUS_NO_RESOURCES, /* Memory Full */
143 MGMT_STATUS_TIMEOUT, /* Connection Timeout */
144 MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */
145 MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */
146 MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */
147 MGMT_STATUS_BUSY, /* Command Disallowed */
148 MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */
149 MGMT_STATUS_REJECTED, /* Rejected Security */
150 MGMT_STATUS_REJECTED, /* Rejected Personal */
151 MGMT_STATUS_TIMEOUT, /* Host Timeout */
152 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */
153 MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */
154 MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */
155 MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */
156 MGMT_STATUS_DISCONNECTED, /* OE Power Off */
157 MGMT_STATUS_DISCONNECTED, /* Connection Terminated */
158 MGMT_STATUS_BUSY, /* Repeated Attempts */
159 MGMT_STATUS_REJECTED, /* Pairing Not Allowed */
160 MGMT_STATUS_FAILED, /* Unknown LMP PDU */
161 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */
162 MGMT_STATUS_REJECTED, /* SCO Offset Rejected */
163 MGMT_STATUS_REJECTED, /* SCO Interval Rejected */
164 MGMT_STATUS_REJECTED, /* Air Mode Rejected */
165 MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */
166 MGMT_STATUS_FAILED, /* Unspecified Error */
167 MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */
168 MGMT_STATUS_FAILED, /* Role Change Not Allowed */
169 MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */
170 MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */
171 MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */
172 MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */
173 MGMT_STATUS_FAILED, /* Unit Link Key Used */
174 MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */
175 MGMT_STATUS_TIMEOUT, /* Instant Passed */
176 MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */
177 MGMT_STATUS_FAILED, /* Transaction Collision */
178 MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */
179 MGMT_STATUS_REJECTED, /* QoS Rejected */
180 MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */
181 MGMT_STATUS_REJECTED, /* Insufficient Security */
182 MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */
183 MGMT_STATUS_BUSY, /* Role Switch Pending */
184 MGMT_STATUS_FAILED, /* Slot Violation */
185 MGMT_STATUS_FAILED, /* Role Switch Failed */
186 MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */
187 MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */
188 MGMT_STATUS_BUSY, /* Host Busy Pairing */
189 MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */
190 MGMT_STATUS_BUSY, /* Controller Busy */
191 MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */
192 MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */
193 MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */
194 MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */
195 MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */
198 static u8 mgmt_status(u8 hci_status)
200 if (hci_status < ARRAY_SIZE(mgmt_status_table))
201 return mgmt_status_table[hci_status];
203 return MGMT_STATUS_FAILED;
206 static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
209 struct mgmt_hdr *hdr;
210 struct mgmt_ev_cmd_status *ev;
213 BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status);
215 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_ATOMIC);
219 hdr = (void *) skb_put(skb, sizeof(*hdr));
221 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS);
222 hdr->index = cpu_to_le16(index);
223 hdr->len = cpu_to_le16(sizeof(*ev));
225 ev = (void *) skb_put(skb, sizeof(*ev));
227 ev->opcode = cpu_to_le16(cmd);
229 err = sock_queue_rcv_skb(sk, skb);
236 static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status,
237 void *rp, size_t rp_len)
240 struct mgmt_hdr *hdr;
241 struct mgmt_ev_cmd_complete *ev;
244 BT_DBG("sock %p", sk);
246 skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_ATOMIC);
250 hdr = (void *) skb_put(skb, sizeof(*hdr));
252 hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
253 hdr->index = cpu_to_le16(index);
254 hdr->len = cpu_to_le16(sizeof(*ev) + rp_len);
256 ev = (void *) skb_put(skb, sizeof(*ev) + rp_len);
257 ev->opcode = cpu_to_le16(cmd);
261 memcpy(ev->data, rp, rp_len);
263 err = sock_queue_rcv_skb(sk, skb);
270 static int read_version(struct sock *sk, struct hci_dev *hdev, void *data,
273 struct mgmt_rp_read_version rp;
275 BT_DBG("sock %p", sk);
277 rp.version = MGMT_VERSION;
278 rp.revision = __constant_cpu_to_le16(MGMT_REVISION);
280 return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, &rp,
284 static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data,
287 struct mgmt_rp_read_commands *rp;
288 const u16 num_commands = ARRAY_SIZE(mgmt_commands);
289 const u16 num_events = ARRAY_SIZE(mgmt_events);
294 BT_DBG("sock %p", sk);
296 rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16));
298 rp = kmalloc(rp_size, GFP_KERNEL);
302 rp->num_commands = __constant_cpu_to_le16(num_commands);
303 rp->num_events = __constant_cpu_to_le16(num_events);
305 for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++)
306 put_unaligned_le16(mgmt_commands[i], opcode);
308 for (i = 0; i < num_events; i++, opcode++)
309 put_unaligned_le16(mgmt_events[i], opcode);
311 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, rp,
318 static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data,
321 struct mgmt_rp_read_index_list *rp;
328 BT_DBG("sock %p", sk);
330 read_lock(&hci_dev_list_lock);
333 list_for_each(p, &hci_dev_list) {
337 rp_len = sizeof(*rp) + (2 * count);
338 rp = kmalloc(rp_len, GFP_ATOMIC);
340 read_unlock(&hci_dev_list_lock);
344 rp->num_controllers = cpu_to_le16(count);
347 list_for_each_entry(d, &hci_dev_list, list) {
348 if (test_bit(HCI_SETUP, &d->dev_flags))
351 rp->index[i++] = cpu_to_le16(d->id);
352 BT_DBG("Added hci%u", d->id);
355 read_unlock(&hci_dev_list_lock);
357 err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp,
365 static u32 get_supported_settings(struct hci_dev *hdev)
369 settings |= MGMT_SETTING_POWERED;
370 settings |= MGMT_SETTING_CONNECTABLE;
371 settings |= MGMT_SETTING_FAST_CONNECTABLE;
372 settings |= MGMT_SETTING_DISCOVERABLE;
373 settings |= MGMT_SETTING_PAIRABLE;
375 if (hdev->features[6] & LMP_SIMPLE_PAIR)
376 settings |= MGMT_SETTING_SSP;
378 if (!(hdev->features[4] & LMP_NO_BREDR)) {
379 settings |= MGMT_SETTING_BREDR;
380 settings |= MGMT_SETTING_LINK_SECURITY;
384 settings |= MGMT_SETTING_HS;
386 if (hdev->features[4] & LMP_LE)
387 settings |= MGMT_SETTING_LE;
392 static u32 get_current_settings(struct hci_dev *hdev)
396 if (hdev_is_powered(hdev))
397 settings |= MGMT_SETTING_POWERED;
399 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
400 settings |= MGMT_SETTING_CONNECTABLE;
402 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
403 settings |= MGMT_SETTING_DISCOVERABLE;
405 if (test_bit(HCI_PAIRABLE, &hdev->dev_flags))
406 settings |= MGMT_SETTING_PAIRABLE;
408 if (!(hdev->features[4] & LMP_NO_BREDR))
409 settings |= MGMT_SETTING_BREDR;
411 if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
412 settings |= MGMT_SETTING_LE;
414 if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
415 settings |= MGMT_SETTING_LINK_SECURITY;
417 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
418 settings |= MGMT_SETTING_SSP;
420 if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags))
421 settings |= MGMT_SETTING_HS;
426 #define PNP_INFO_SVCLASS_ID 0x1200
428 static u8 bluetooth_base_uuid[] = {
429 0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80,
430 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
433 static u16 get_uuid16(u8 *uuid128)
438 for (i = 0; i < 12; i++) {
439 if (bluetooth_base_uuid[i] != uuid128[i])
443 val = get_unaligned_le32(&uuid128[12]);
450 static void create_eir(struct hci_dev *hdev, u8 *data)
454 u16 uuid16_list[HCI_MAX_EIR_LENGTH / sizeof(u16)];
455 int i, truncated = 0;
456 struct bt_uuid *uuid;
459 name_len = strlen(hdev->dev_name);
465 ptr[1] = EIR_NAME_SHORT;
467 ptr[1] = EIR_NAME_COMPLETE;
469 /* EIR Data length */
470 ptr[0] = name_len + 1;
472 memcpy(ptr + 2, hdev->dev_name, name_len);
474 eir_len += (name_len + 2);
475 ptr += (name_len + 2);
478 if (hdev->inq_tx_power) {
480 ptr[1] = EIR_TX_POWER;
481 ptr[2] = (u8) hdev->inq_tx_power;
487 if (hdev->devid_source > 0) {
489 ptr[1] = EIR_DEVICE_ID;
491 put_unaligned_le16(hdev->devid_source, ptr + 2);
492 put_unaligned_le16(hdev->devid_vendor, ptr + 4);
493 put_unaligned_le16(hdev->devid_product, ptr + 6);
494 put_unaligned_le16(hdev->devid_version, ptr + 8);
500 memset(uuid16_list, 0, sizeof(uuid16_list));
502 /* Group all UUID16 types */
503 list_for_each_entry(uuid, &hdev->uuids, list) {
506 uuid16 = get_uuid16(uuid->uuid);
513 if (uuid16 == PNP_INFO_SVCLASS_ID)
516 /* Stop if not enough space to put next UUID */
517 if (eir_len + 2 + sizeof(u16) > HCI_MAX_EIR_LENGTH) {
522 /* Check for duplicates */
523 for (i = 0; uuid16_list[i] != 0; i++)
524 if (uuid16_list[i] == uuid16)
527 if (uuid16_list[i] == 0) {
528 uuid16_list[i] = uuid16;
529 eir_len += sizeof(u16);
533 if (uuid16_list[0] != 0) {
537 ptr[1] = truncated ? EIR_UUID16_SOME : EIR_UUID16_ALL;
542 for (i = 0; uuid16_list[i] != 0; i++) {
543 *ptr++ = (uuid16_list[i] & 0x00ff);
544 *ptr++ = (uuid16_list[i] & 0xff00) >> 8;
547 /* EIR Data length */
548 *length = (i * sizeof(u16)) + 1;
552 static int update_eir(struct hci_dev *hdev)
554 struct hci_cp_write_eir cp;
556 if (!hdev_is_powered(hdev))
559 if (!(hdev->features[6] & LMP_EXT_INQ))
562 if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
565 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
568 memset(&cp, 0, sizeof(cp));
570 create_eir(hdev, cp.data);
572 if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
575 memcpy(hdev->eir, cp.data, sizeof(cp.data));
577 return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
580 static u8 get_service_classes(struct hci_dev *hdev)
582 struct bt_uuid *uuid;
585 list_for_each_entry(uuid, &hdev->uuids, list)
586 val |= uuid->svc_hint;
591 static int update_class(struct hci_dev *hdev)
596 BT_DBG("%s", hdev->name);
598 if (!hdev_is_powered(hdev))
601 if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
604 cod[0] = hdev->minor_class;
605 cod[1] = hdev->major_class;
606 cod[2] = get_service_classes(hdev);
608 if (memcmp(cod, hdev->dev_class, 3) == 0)
611 err = hci_send_cmd(hdev, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
613 set_bit(HCI_PENDING_CLASS, &hdev->dev_flags);
618 static void service_cache_off(struct work_struct *work)
620 struct hci_dev *hdev = container_of(work, struct hci_dev,
623 if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
631 hci_dev_unlock(hdev);
634 static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
636 if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags))
639 INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
641 /* Non-mgmt controlled devices get this bit set
642 * implicitly so that pairing works for them, however
643 * for mgmt we require user-space to explicitly enable
646 clear_bit(HCI_PAIRABLE, &hdev->dev_flags);
649 static int read_controller_info(struct sock *sk, struct hci_dev *hdev,
650 void *data, u16 data_len)
652 struct mgmt_rp_read_info rp;
654 BT_DBG("sock %p %s", sk, hdev->name);
658 memset(&rp, 0, sizeof(rp));
660 bacpy(&rp.bdaddr, &hdev->bdaddr);
662 rp.version = hdev->hci_ver;
663 rp.manufacturer = cpu_to_le16(hdev->manufacturer);
665 rp.supported_settings = cpu_to_le32(get_supported_settings(hdev));
666 rp.current_settings = cpu_to_le32(get_current_settings(hdev));
668 memcpy(rp.dev_class, hdev->dev_class, 3);
670 memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name));
671 memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name));
673 hci_dev_unlock(hdev);
675 return cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp,
679 static void mgmt_pending_free(struct pending_cmd *cmd)
686 static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
687 struct hci_dev *hdev, void *data,
690 struct pending_cmd *cmd;
692 cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC);
696 cmd->opcode = opcode;
697 cmd->index = hdev->id;
699 cmd->param = kmalloc(len, GFP_ATOMIC);
706 memcpy(cmd->param, data, len);
711 list_add(&cmd->list, &hdev->mgmt_pending);
716 static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev,
717 void (*cb)(struct pending_cmd *cmd, void *data),
720 struct list_head *p, *n;
722 list_for_each_safe(p, n, &hdev->mgmt_pending) {
723 struct pending_cmd *cmd;
725 cmd = list_entry(p, struct pending_cmd, list);
727 if (opcode > 0 && cmd->opcode != opcode)
734 static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev)
736 struct pending_cmd *cmd;
738 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
739 if (cmd->opcode == opcode)
746 static void mgmt_pending_remove(struct pending_cmd *cmd)
748 list_del(&cmd->list);
749 mgmt_pending_free(cmd);
752 static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev)
754 __le32 settings = cpu_to_le32(get_current_settings(hdev));
756 return cmd_complete(sk, hdev->id, opcode, 0, &settings,
760 static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
763 struct mgmt_mode *cp = data;
764 struct pending_cmd *cmd;
767 BT_DBG("request for %s", hdev->name);
771 if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) {
772 cancel_delayed_work(&hdev->power_off);
775 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
776 mgmt_powered(hdev, 1);
781 if (!!cp->val == hdev_is_powered(hdev)) {
782 err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev);
786 if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) {
787 err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED,
792 cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len);
799 schedule_work(&hdev->power_on);
801 schedule_work(&hdev->power_off.work);
806 hci_dev_unlock(hdev);
810 static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len,
811 struct sock *skip_sk)
814 struct mgmt_hdr *hdr;
816 skb = alloc_skb(sizeof(*hdr) + data_len, GFP_ATOMIC);
820 hdr = (void *) skb_put(skb, sizeof(*hdr));
821 hdr->opcode = cpu_to_le16(event);
823 hdr->index = cpu_to_le16(hdev->id);
825 hdr->index = cpu_to_le16(MGMT_INDEX_NONE);
826 hdr->len = cpu_to_le16(data_len);
829 memcpy(skb_put(skb, data_len), data, data_len);
832 __net_timestamp(skb);
834 hci_send_to_control(skb, skip_sk);
840 static int new_settings(struct hci_dev *hdev, struct sock *skip)
844 ev = cpu_to_le32(get_current_settings(hdev));
846 return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip);
849 static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data,
852 struct mgmt_cp_set_discoverable *cp = data;
853 struct pending_cmd *cmd;
858 BT_DBG("request for %s", hdev->name);
860 timeout = __le16_to_cpu(cp->timeout);
861 if (!cp->val && timeout > 0)
862 return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
863 MGMT_STATUS_INVALID_PARAMS);
867 if (!hdev_is_powered(hdev) && timeout > 0) {
868 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
869 MGMT_STATUS_NOT_POWERED);
873 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
874 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
875 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
880 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) {
881 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE,
882 MGMT_STATUS_REJECTED);
886 if (!hdev_is_powered(hdev)) {
887 bool changed = false;
889 if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) {
890 change_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
894 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
899 err = new_settings(hdev, sk);
904 if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) {
905 if (hdev->discov_timeout > 0) {
906 cancel_delayed_work(&hdev->discov_off);
907 hdev->discov_timeout = 0;
910 if (cp->val && timeout > 0) {
911 hdev->discov_timeout = timeout;
912 queue_delayed_work(hdev->workqueue, &hdev->discov_off,
913 msecs_to_jiffies(hdev->discov_timeout * 1000));
916 err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev);
920 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len);
929 scan |= SCAN_INQUIRY;
931 cancel_delayed_work(&hdev->discov_off);
933 err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
935 mgmt_pending_remove(cmd);
938 hdev->discov_timeout = timeout;
941 hci_dev_unlock(hdev);
945 static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
948 struct mgmt_mode *cp = data;
949 struct pending_cmd *cmd;
953 BT_DBG("request for %s", hdev->name);
957 if (!hdev_is_powered(hdev)) {
958 bool changed = false;
960 if (!!cp->val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
964 set_bit(HCI_CONNECTABLE, &hdev->dev_flags);
966 clear_bit(HCI_CONNECTABLE, &hdev->dev_flags);
967 clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
970 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
975 err = new_settings(hdev, sk);
980 if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) ||
981 mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) {
982 err = cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE,
987 if (!!cp->val == test_bit(HCI_PSCAN, &hdev->flags)) {
988 err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev);
992 cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len);
1003 if (test_bit(HCI_ISCAN, &hdev->flags) &&
1004 hdev->discov_timeout > 0)
1005 cancel_delayed_work(&hdev->discov_off);
1008 err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
1010 mgmt_pending_remove(cmd);
1013 hci_dev_unlock(hdev);
1017 static int set_pairable(struct sock *sk, struct hci_dev *hdev, void *data,
1020 struct mgmt_mode *cp = data;
1023 BT_DBG("request for %s", hdev->name);
1028 set_bit(HCI_PAIRABLE, &hdev->dev_flags);
1030 clear_bit(HCI_PAIRABLE, &hdev->dev_flags);
1032 err = send_settings_rsp(sk, MGMT_OP_SET_PAIRABLE, hdev);
1036 err = new_settings(hdev, sk);
1039 hci_dev_unlock(hdev);
1043 static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data,
1046 struct mgmt_mode *cp = data;
1047 struct pending_cmd *cmd;
1051 BT_DBG("request for %s", hdev->name);
1055 if (!hdev_is_powered(hdev)) {
1056 bool changed = false;
1058 if (!!cp->val != test_bit(HCI_LINK_SECURITY,
1059 &hdev->dev_flags)) {
1060 change_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
1064 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1069 err = new_settings(hdev, sk);
1074 if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) {
1075 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY,
1082 if (test_bit(HCI_AUTH, &hdev->flags) == val) {
1083 err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev);
1087 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len);
1093 err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val);
1095 mgmt_pending_remove(cmd);
1100 hci_dev_unlock(hdev);
1104 static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
1106 struct mgmt_mode *cp = data;
1107 struct pending_cmd *cmd;
1111 BT_DBG("request for %s", hdev->name);
1115 if (!(hdev->features[6] & LMP_SIMPLE_PAIR)) {
1116 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1117 MGMT_STATUS_NOT_SUPPORTED);
1123 if (!hdev_is_powered(hdev)) {
1124 bool changed = false;
1126 if (val != test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
1127 change_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
1131 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1136 err = new_settings(hdev, sk);
1141 if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev)) {
1142 err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP,
1147 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) == val) {
1148 err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev);
1152 cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len);
1158 err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, sizeof(val), &val);
1160 mgmt_pending_remove(cmd);
1165 hci_dev_unlock(hdev);
1169 static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
1171 struct mgmt_mode *cp = data;
1173 BT_DBG("request for %s", hdev->name);
1176 return cmd_status(sk, hdev->id, MGMT_OP_SET_HS,
1177 MGMT_STATUS_NOT_SUPPORTED);
1180 set_bit(HCI_HS_ENABLED, &hdev->dev_flags);
1182 clear_bit(HCI_HS_ENABLED, &hdev->dev_flags);
1184 return send_settings_rsp(sk, MGMT_OP_SET_HS, hdev);
1187 static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
1189 struct mgmt_mode *cp = data;
1190 struct hci_cp_write_le_host_supported hci_cp;
1191 struct pending_cmd *cmd;
1195 BT_DBG("request for %s", hdev->name);
1199 if (!(hdev->features[4] & LMP_LE)) {
1200 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1201 MGMT_STATUS_NOT_SUPPORTED);
1206 enabled = !!(hdev->host_features[0] & LMP_HOST_LE);
1208 if (!hdev_is_powered(hdev) || val == enabled) {
1209 bool changed = false;
1211 if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
1212 change_bit(HCI_LE_ENABLED, &hdev->dev_flags);
1216 err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev);
1221 err = new_settings(hdev, sk);
1226 if (mgmt_pending_find(MGMT_OP_SET_LE, hdev)) {
1227 err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE,
1232 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len);
1238 memset(&hci_cp, 0, sizeof(hci_cp));
1242 hci_cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
1245 err = hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp),
1248 mgmt_pending_remove(cmd);
1251 hci_dev_unlock(hdev);
1255 static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
1257 struct mgmt_cp_add_uuid *cp = data;
1258 struct pending_cmd *cmd;
1259 struct bt_uuid *uuid;
1262 BT_DBG("request for %s", hdev->name);
1266 if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
1267 err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
1272 uuid = kmalloc(sizeof(*uuid), GFP_ATOMIC);
1278 memcpy(uuid->uuid, cp->uuid, 16);
1279 uuid->svc_hint = cp->svc_hint;
1281 list_add(&uuid->list, &hdev->uuids);
1283 err = update_class(hdev);
1287 err = update_eir(hdev);
1291 if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
1292 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
1293 hdev->dev_class, 3);
1297 cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
1302 hci_dev_unlock(hdev);
1306 static bool enable_service_cache(struct hci_dev *hdev)
1308 if (!hdev_is_powered(hdev))
1311 if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
1312 schedule_delayed_work(&hdev->service_cache, CACHE_TIMEOUT);
1319 static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
1322 struct mgmt_cp_remove_uuid *cp = data;
1323 struct pending_cmd *cmd;
1324 struct list_head *p, *n;
1325 u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
1328 BT_DBG("request for %s", hdev->name);
1332 if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
1333 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
1338 if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
1339 err = hci_uuids_clear(hdev);
1341 if (enable_service_cache(hdev)) {
1342 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID,
1343 0, hdev->dev_class, 3);
1352 list_for_each_safe(p, n, &hdev->uuids) {
1353 struct bt_uuid *match = list_entry(p, struct bt_uuid, list);
1355 if (memcmp(match->uuid, cp->uuid, 16) != 0)
1358 list_del(&match->list);
1363 err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
1364 MGMT_STATUS_INVALID_PARAMS);
1369 err = update_class(hdev);
1373 err = update_eir(hdev);
1377 if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
1378 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
1379 hdev->dev_class, 3);
1383 cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
1388 hci_dev_unlock(hdev);
1392 static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
1395 struct mgmt_cp_set_dev_class *cp = data;
1396 struct pending_cmd *cmd;
1399 BT_DBG("request for %s", hdev->name);
1403 if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
1404 err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
1409 hdev->major_class = cp->major;
1410 hdev->minor_class = cp->minor;
1412 if (!hdev_is_powered(hdev)) {
1413 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
1414 hdev->dev_class, 3);
1418 if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
1419 hci_dev_unlock(hdev);
1420 cancel_delayed_work_sync(&hdev->service_cache);
1425 err = update_class(hdev);
1429 if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
1430 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
1431 hdev->dev_class, 3);
1435 cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
1440 hci_dev_unlock(hdev);
1444 static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
1447 struct mgmt_cp_load_link_keys *cp = data;
1448 u16 key_count, expected_len;
1451 key_count = __le16_to_cpu(cp->key_count);
1453 expected_len = sizeof(*cp) + key_count *
1454 sizeof(struct mgmt_link_key_info);
1455 if (expected_len != len) {
1456 BT_ERR("load_link_keys: expected %u bytes, got %u bytes",
1458 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS,
1459 MGMT_STATUS_INVALID_PARAMS);
1462 BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys,
1467 hci_link_keys_clear(hdev);
1469 set_bit(HCI_LINK_KEYS, &hdev->dev_flags);
1472 set_bit(HCI_DEBUG_KEYS, &hdev->dev_flags);
1474 clear_bit(HCI_DEBUG_KEYS, &hdev->dev_flags);
1476 for (i = 0; i < key_count; i++) {
1477 struct mgmt_link_key_info *key = &cp->keys[i];
1479 hci_add_link_key(hdev, NULL, 0, &key->addr.bdaddr, key->val,
1480 key->type, key->pin_len);
1483 cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0);
1485 hci_dev_unlock(hdev);
1490 static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr,
1491 u8 addr_type, struct sock *skip_sk)
1493 struct mgmt_ev_device_unpaired ev;
1495 bacpy(&ev.addr.bdaddr, bdaddr);
1496 ev.addr.type = addr_type;
1498 return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev),
1502 static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
1505 struct mgmt_cp_unpair_device *cp = data;
1506 struct mgmt_rp_unpair_device rp;
1507 struct hci_cp_disconnect dc;
1508 struct pending_cmd *cmd;
1509 struct hci_conn *conn;
1514 memset(&rp, 0, sizeof(rp));
1515 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
1516 rp.addr.type = cp->addr.type;
1518 if (!hdev_is_powered(hdev)) {
1519 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
1520 MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp));
1524 if (cp->addr.type == BDADDR_BREDR)
1525 err = hci_remove_link_key(hdev, &cp->addr.bdaddr);
1527 err = hci_remove_ltk(hdev, &cp->addr.bdaddr);
1530 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
1531 MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp));
1535 if (cp->disconnect) {
1536 if (cp->addr.type == BDADDR_BREDR)
1537 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK,
1540 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
1547 err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0,
1549 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk);
1553 cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp,
1560 dc.handle = cpu_to_le16(conn->handle);
1561 dc.reason = 0x13; /* Remote User Terminated Connection */
1562 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1564 mgmt_pending_remove(cmd);
1567 hci_dev_unlock(hdev);
1571 static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data,
1574 struct mgmt_cp_disconnect *cp = data;
1575 struct hci_cp_disconnect dc;
1576 struct pending_cmd *cmd;
1577 struct hci_conn *conn;
1584 if (!test_bit(HCI_UP, &hdev->flags)) {
1585 err = cmd_status(sk, hdev->id, MGMT_OP_DISCONNECT,
1586 MGMT_STATUS_NOT_POWERED);
1590 if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) {
1591 err = cmd_status(sk, hdev->id, MGMT_OP_DISCONNECT,
1596 if (cp->addr.type == BDADDR_BREDR)
1597 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
1599 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr);
1602 err = cmd_status(sk, hdev->id, MGMT_OP_DISCONNECT,
1603 MGMT_STATUS_NOT_CONNECTED);
1607 cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len);
1613 dc.handle = cpu_to_le16(conn->handle);
1614 dc.reason = 0x13; /* Remote User Terminated Connection */
1616 err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
1618 mgmt_pending_remove(cmd);
1621 hci_dev_unlock(hdev);
1625 static u8 link_to_bdaddr(u8 link_type, u8 addr_type)
1627 switch (link_type) {
1629 switch (addr_type) {
1630 case ADDR_LE_DEV_PUBLIC:
1631 return BDADDR_LE_PUBLIC;
1634 /* Fallback to LE Random address type */
1635 return BDADDR_LE_RANDOM;
1639 /* Fallback to BR/EDR type */
1640 return BDADDR_BREDR;
1644 static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data,
1647 struct mgmt_rp_get_connections *rp;
1657 if (!hdev_is_powered(hdev)) {
1658 err = cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS,
1659 MGMT_STATUS_NOT_POWERED);
1664 list_for_each_entry(c, &hdev->conn_hash.list, list) {
1665 if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
1669 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
1670 rp = kmalloc(rp_len, GFP_ATOMIC);
1677 list_for_each_entry(c, &hdev->conn_hash.list, list) {
1678 if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags))
1680 bacpy(&rp->addr[i].bdaddr, &c->dst);
1681 rp->addr[i].type = link_to_bdaddr(c->type, c->dst_type);
1682 if (c->type == SCO_LINK || c->type == ESCO_LINK)
1687 rp->conn_count = cpu_to_le16(i);
1689 /* Recalculate length in case of filtered SCO connections, etc */
1690 rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info));
1692 err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp,
1698 hci_dev_unlock(hdev);
1702 static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
1703 struct mgmt_cp_pin_code_neg_reply *cp)
1705 struct pending_cmd *cmd;
1708 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp,
1713 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
1714 sizeof(cp->addr.bdaddr), &cp->addr.bdaddr);
1716 mgmt_pending_remove(cmd);
1721 static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data,
1724 struct hci_conn *conn;
1725 struct mgmt_cp_pin_code_reply *cp = data;
1726 struct hci_cp_pin_code_reply reply;
1727 struct pending_cmd *cmd;
1734 if (!hdev_is_powered(hdev)) {
1735 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
1736 MGMT_STATUS_NOT_POWERED);
1740 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr);
1742 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
1743 MGMT_STATUS_NOT_CONNECTED);
1747 if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) {
1748 struct mgmt_cp_pin_code_neg_reply ncp;
1750 memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr));
1752 BT_ERR("PIN code is not 16 bytes long");
1754 err = send_pin_code_neg_reply(sk, hdev, &ncp);
1756 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
1757 MGMT_STATUS_INVALID_PARAMS);
1762 cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len);
1768 bacpy(&reply.bdaddr, &cp->addr.bdaddr);
1769 reply.pin_len = cp->pin_len;
1770 memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code));
1772 err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
1774 mgmt_pending_remove(cmd);
1777 hci_dev_unlock(hdev);
1781 static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
1782 void *data, u16 len)
1784 struct mgmt_cp_pin_code_neg_reply *cp = data;
1791 if (!hdev_is_powered(hdev)) {
1792 err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY,
1793 MGMT_STATUS_NOT_POWERED);
1797 err = send_pin_code_neg_reply(sk, hdev, cp);
1800 hci_dev_unlock(hdev);
1804 static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data,
1807 struct mgmt_cp_set_io_capability *cp = data;
1813 hdev->io_capability = cp->io_capability;
1815 BT_DBG("%s IO capability set to 0x%02x", hdev->name,
1816 hdev->io_capability);
1818 hci_dev_unlock(hdev);
1820 return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL,
1824 static inline struct pending_cmd *find_pairing(struct hci_conn *conn)
1826 struct hci_dev *hdev = conn->hdev;
1827 struct pending_cmd *cmd;
1829 list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
1830 if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
1833 if (cmd->user_data != conn)
1842 static void pairing_complete(struct pending_cmd *cmd, u8 status)
1844 struct mgmt_rp_pair_device rp;
1845 struct hci_conn *conn = cmd->user_data;
1847 bacpy(&rp.addr.bdaddr, &conn->dst);
1848 rp.addr.type = link_to_bdaddr(conn->type, conn->dst_type);
1850 cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status,
1853 /* So we don't get further callbacks for this connection */
1854 conn->connect_cfm_cb = NULL;
1855 conn->security_cfm_cb = NULL;
1856 conn->disconn_cfm_cb = NULL;
1860 mgmt_pending_remove(cmd);
1863 static void pairing_complete_cb(struct hci_conn *conn, u8 status)
1865 struct pending_cmd *cmd;
1867 BT_DBG("status %u", status);
1869 cmd = find_pairing(conn);
1871 BT_DBG("Unable to find a pending command");
1873 pairing_complete(cmd, mgmt_status(status));
1876 static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
1879 struct mgmt_cp_pair_device *cp = data;
1880 struct mgmt_rp_pair_device rp;
1881 struct pending_cmd *cmd;
1882 u8 sec_level, auth_type;
1883 struct hci_conn *conn;
1890 if (!hdev_is_powered(hdev)) {
1891 err = cmd_status(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
1892 MGMT_STATUS_NOT_POWERED);
1896 sec_level = BT_SECURITY_MEDIUM;
1897 if (cp->io_cap == 0x03)
1898 auth_type = HCI_AT_DEDICATED_BONDING;
1900 auth_type = HCI_AT_DEDICATED_BONDING_MITM;
1902 if (cp->addr.type == BDADDR_BREDR)
1903 conn = hci_connect(hdev, ACL_LINK, &cp->addr.bdaddr,
1904 cp->addr.type, sec_level, auth_type);
1906 conn = hci_connect(hdev, LE_LINK, &cp->addr.bdaddr,
1907 cp->addr.type, sec_level, auth_type);
1909 memset(&rp, 0, sizeof(rp));
1910 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
1911 rp.addr.type = cp->addr.type;
1914 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
1915 MGMT_STATUS_CONNECT_FAILED, &rp,
1920 if (conn->connect_cfm_cb) {
1922 err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE,
1923 MGMT_STATUS_BUSY, &rp, sizeof(rp));
1927 cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len);
1934 /* For LE, just connecting isn't a proof that the pairing finished */
1935 if (cp->addr.type == BDADDR_BREDR)
1936 conn->connect_cfm_cb = pairing_complete_cb;
1938 conn->security_cfm_cb = pairing_complete_cb;
1939 conn->disconn_cfm_cb = pairing_complete_cb;
1940 conn->io_capability = cp->io_cap;
1941 cmd->user_data = conn;
1943 if (conn->state == BT_CONNECTED &&
1944 hci_conn_security(conn, sec_level, auth_type))
1945 pairing_complete(cmd, 0);
1950 hci_dev_unlock(hdev);
1954 static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data,
1957 struct mgmt_addr_info *addr = data;
1958 struct pending_cmd *cmd;
1959 struct hci_conn *conn;
1966 if (!hdev_is_powered(hdev)) {
1967 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
1968 MGMT_STATUS_NOT_POWERED);
1972 cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev);
1974 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
1975 MGMT_STATUS_INVALID_PARAMS);
1979 conn = cmd->user_data;
1981 if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
1982 err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE,
1983 MGMT_STATUS_INVALID_PARAMS);
1987 pairing_complete(cmd, MGMT_STATUS_CANCELLED);
1989 err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0,
1990 addr, sizeof(*addr));
1992 hci_dev_unlock(hdev);
1996 static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
1997 bdaddr_t *bdaddr, u8 type, u16 mgmt_op,
1998 u16 hci_op, __le32 passkey)
2000 struct pending_cmd *cmd;
2001 struct hci_conn *conn;
2006 if (!hdev_is_powered(hdev)) {
2007 err = cmd_status(sk, hdev->id, mgmt_op,
2008 MGMT_STATUS_NOT_POWERED);
2012 if (type == BDADDR_BREDR)
2013 conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, bdaddr);
2015 conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, bdaddr);
2018 err = cmd_status(sk, hdev->id, mgmt_op,
2019 MGMT_STATUS_NOT_CONNECTED);
2023 if (type == BDADDR_LE_PUBLIC || type == BDADDR_LE_RANDOM) {
2024 /* Continue with pairing via SMP */
2025 err = smp_user_confirm_reply(conn, mgmt_op, passkey);
2028 err = cmd_status(sk, hdev->id, mgmt_op,
2029 MGMT_STATUS_SUCCESS);
2031 err = cmd_status(sk, hdev->id, mgmt_op,
2032 MGMT_STATUS_FAILED);
2037 cmd = mgmt_pending_add(sk, mgmt_op, hdev, bdaddr, sizeof(*bdaddr));
2043 /* Continue with pairing via HCI */
2044 if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
2045 struct hci_cp_user_passkey_reply cp;
2047 bacpy(&cp.bdaddr, bdaddr);
2048 cp.passkey = passkey;
2049 err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
2051 err = hci_send_cmd(hdev, hci_op, sizeof(*bdaddr), bdaddr);
2054 mgmt_pending_remove(cmd);
2057 hci_dev_unlock(hdev);
2061 static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
2064 struct mgmt_cp_user_confirm_reply *cp = data;
2068 if (len != sizeof(*cp))
2069 return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
2070 MGMT_STATUS_INVALID_PARAMS);
2072 return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
2073 MGMT_OP_USER_CONFIRM_REPLY,
2074 HCI_OP_USER_CONFIRM_REPLY, 0);
2077 static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
2078 void *data, u16 len)
2080 struct mgmt_cp_user_confirm_neg_reply *cp = data;
2084 return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
2085 MGMT_OP_USER_CONFIRM_NEG_REPLY,
2086 HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
2089 static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
2092 struct mgmt_cp_user_passkey_reply *cp = data;
2096 return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
2097 MGMT_OP_USER_PASSKEY_REPLY,
2098 HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
2101 static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
2102 void *data, u16 len)
2104 struct mgmt_cp_user_passkey_neg_reply *cp = data;
2108 return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
2109 MGMT_OP_USER_PASSKEY_NEG_REPLY,
2110 HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
2113 static int update_name(struct hci_dev *hdev, const char *name)
2115 struct hci_cp_write_local_name cp;
2117 memcpy(cp.name, name, sizeof(cp.name));
2119 return hci_send_cmd(hdev, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
2122 static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
2125 struct mgmt_cp_set_local_name *cp = data;
2126 struct pending_cmd *cmd;
2133 memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
2135 if (!hdev_is_powered(hdev)) {
2136 memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
2138 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
2143 err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len,
2149 cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len);
2155 err = update_name(hdev, cp->name);
2157 mgmt_pending_remove(cmd);
2160 hci_dev_unlock(hdev);
2164 static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
2165 void *data, u16 data_len)
2167 struct pending_cmd *cmd;
2170 BT_DBG("%s", hdev->name);
2174 if (!hdev_is_powered(hdev)) {
2175 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
2176 MGMT_STATUS_NOT_POWERED);
2180 if (!(hdev->features[6] & LMP_SIMPLE_PAIR)) {
2181 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
2182 MGMT_STATUS_NOT_SUPPORTED);
2186 if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) {
2187 err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
2192 cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0);
2198 err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
2200 mgmt_pending_remove(cmd);
2203 hci_dev_unlock(hdev);
2207 static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
2208 void *data, u16 len)
2210 struct mgmt_cp_add_remote_oob_data *cp = data;
2214 BT_DBG("%s ", hdev->name);
2218 if (!hdev_is_powered(hdev)) {
2219 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA,
2220 MGMT_STATUS_NOT_POWERED, &cp->addr,
2225 err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, cp->hash,
2228 status = MGMT_STATUS_FAILED;
2232 err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, status,
2233 &cp->addr, sizeof(cp->addr));
2236 hci_dev_unlock(hdev);
2240 static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev,
2241 void *data, u16 len)
2243 struct mgmt_cp_remove_remote_oob_data *cp = data;
2247 BT_DBG("%s", hdev->name);
2251 if (!hdev_is_powered(hdev)) {
2252 err = cmd_complete(sk, hdev->id,
2253 MGMT_OP_REMOVE_REMOTE_OOB_DATA,
2254 MGMT_STATUS_NOT_POWERED, &cp->addr,
2259 err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr);
2261 status = MGMT_STATUS_INVALID_PARAMS;
2265 err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA,
2266 status, &cp->addr, sizeof(cp->addr));
2269 hci_dev_unlock(hdev);
2273 int mgmt_interleaved_discovery(struct hci_dev *hdev)
2277 BT_DBG("%s", hdev->name);
2281 err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR_LE);
2283 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2285 hci_dev_unlock(hdev);
2290 static int start_discovery(struct sock *sk, struct hci_dev *hdev,
2291 void *data, u16 len)
2293 struct mgmt_cp_start_discovery *cp = data;
2294 struct pending_cmd *cmd;
2297 BT_DBG("%s", hdev->name);
2301 if (!hdev_is_powered(hdev)) {
2302 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
2303 MGMT_STATUS_NOT_POWERED);
2307 if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags)) {
2308 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
2313 if (hdev->discovery.state != DISCOVERY_STOPPED) {
2314 err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY,
2319 cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0);
2325 hdev->discovery.type = cp->type;
2327 switch (hdev->discovery.type) {
2328 case DISCOV_TYPE_BREDR:
2329 if (lmp_bredr_capable(hdev))
2330 err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR);
2335 case DISCOV_TYPE_LE:
2336 if (lmp_host_le_capable(hdev))
2337 err = hci_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT,
2338 LE_SCAN_WIN, LE_SCAN_TIMEOUT_LE_ONLY);
2343 case DISCOV_TYPE_INTERLEAVED:
2344 if (lmp_host_le_capable(hdev) && lmp_bredr_capable(hdev))
2345 err = hci_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT,
2347 LE_SCAN_TIMEOUT_BREDR_LE);
2357 mgmt_pending_remove(cmd);
2359 hci_discovery_set_state(hdev, DISCOVERY_STARTING);
2362 hci_dev_unlock(hdev);
2366 static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data,
2369 struct mgmt_cp_stop_discovery *mgmt_cp = data;
2370 struct pending_cmd *cmd;
2371 struct hci_cp_remote_name_req_cancel cp;
2372 struct inquiry_entry *e;
2375 BT_DBG("%s", hdev->name);
2379 if (!hci_discovery_active(hdev)) {
2380 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
2381 MGMT_STATUS_REJECTED, &mgmt_cp->type,
2382 sizeof(mgmt_cp->type));
2386 if (hdev->discovery.type != mgmt_cp->type) {
2387 err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY,
2388 MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type,
2389 sizeof(mgmt_cp->type));
2393 cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0);
2399 switch (hdev->discovery.state) {
2400 case DISCOVERY_FINDING:
2401 if (test_bit(HCI_INQUIRY, &hdev->flags))
2402 err = hci_cancel_inquiry(hdev);
2404 err = hci_cancel_le_scan(hdev);
2408 case DISCOVERY_RESOLVING:
2409 e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY,
2412 mgmt_pending_remove(cmd);
2413 err = cmd_complete(sk, hdev->id,
2414 MGMT_OP_STOP_DISCOVERY, 0,
2416 sizeof(mgmt_cp->type));
2417 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
2421 bacpy(&cp.bdaddr, &e->data.bdaddr);
2422 err = hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ_CANCEL,
2428 BT_DBG("unknown discovery state %u", hdev->discovery.state);
2433 mgmt_pending_remove(cmd);
2435 hci_discovery_set_state(hdev, DISCOVERY_STOPPING);
2438 hci_dev_unlock(hdev);
2442 static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data,
2445 struct mgmt_cp_confirm_name *cp = data;
2446 struct inquiry_entry *e;
2449 BT_DBG("%s", hdev->name);
2453 if (!hci_discovery_active(hdev)) {
2454 err = cmd_status(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
2455 MGMT_STATUS_FAILED);
2459 e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr);
2461 err = cmd_status(sk, hdev->id, MGMT_OP_CONFIRM_NAME,
2462 MGMT_STATUS_INVALID_PARAMS);
2466 if (cp->name_known) {
2467 e->name_state = NAME_KNOWN;
2470 e->name_state = NAME_NEEDED;
2471 hci_inquiry_cache_update_resolve(hdev, e);
2477 hci_dev_unlock(hdev);
2481 static int block_device(struct sock *sk, struct hci_dev *hdev, void *data,
2484 struct mgmt_cp_block_device *cp = data;
2488 BT_DBG("%s", hdev->name);
2492 err = hci_blacklist_add(hdev, &cp->addr.bdaddr, cp->addr.type);
2494 status = MGMT_STATUS_FAILED;
2498 err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status,
2499 &cp->addr, sizeof(cp->addr));
2501 hci_dev_unlock(hdev);
2506 static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data,
2509 struct mgmt_cp_unblock_device *cp = data;
2513 BT_DBG("%s", hdev->name);
2517 err = hci_blacklist_del(hdev, &cp->addr.bdaddr, cp->addr.type);
2519 status = MGMT_STATUS_INVALID_PARAMS;
2523 err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status,
2524 &cp->addr, sizeof(cp->addr));
2526 hci_dev_unlock(hdev);
2531 static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
2534 struct mgmt_cp_set_device_id *cp = data;
2538 BT_DBG("%s", hdev->name);
2540 source = __le16_to_cpu(cp->source);
2542 if (source > 0x0002)
2543 return cmd_status(sk, hdev->id, MGMT_OP_SET_DEVICE_ID,
2544 MGMT_STATUS_INVALID_PARAMS);
2548 hdev->devid_source = source;
2549 hdev->devid_vendor = __le16_to_cpu(cp->vendor);
2550 hdev->devid_product = __le16_to_cpu(cp->product);
2551 hdev->devid_version = __le16_to_cpu(cp->version);
2553 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
2557 hci_dev_unlock(hdev);
2562 static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
2563 void *data, u16 len)
2565 struct mgmt_mode *cp = data;
2566 struct hci_cp_write_page_scan_activity acp;
2570 BT_DBG("%s", hdev->name);
2572 if (!hdev_is_powered(hdev))
2573 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
2574 MGMT_STATUS_NOT_POWERED);
2576 if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
2577 return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
2578 MGMT_STATUS_REJECTED);
2583 type = PAGE_SCAN_TYPE_INTERLACED;
2585 /* 22.5 msec page scan interval */
2586 acp.interval = __constant_cpu_to_le16(0x0024);
2588 type = PAGE_SCAN_TYPE_STANDARD; /* default */
2590 /* default 1.28 sec page scan */
2591 acp.interval = __constant_cpu_to_le16(0x0800);
2594 /* default 11.25 msec page scan window */
2595 acp.window = __constant_cpu_to_le16(0x0012);
2597 err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY, sizeof(acp),
2600 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
2601 MGMT_STATUS_FAILED);
2605 err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
2607 err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
2608 MGMT_STATUS_FAILED);
2612 err = cmd_complete(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, 0,
2615 hci_dev_unlock(hdev);
2619 static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev,
2620 void *cp_data, u16 len)
2622 struct mgmt_cp_load_long_term_keys *cp = cp_data;
2623 u16 key_count, expected_len;
2626 key_count = __le16_to_cpu(cp->key_count);
2628 expected_len = sizeof(*cp) + key_count *
2629 sizeof(struct mgmt_ltk_info);
2630 if (expected_len != len) {
2631 BT_ERR("load_keys: expected %u bytes, got %u bytes",
2633 return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS,
2637 BT_DBG("%s key_count %u", hdev->name, key_count);
2641 hci_smp_ltks_clear(hdev);
2643 for (i = 0; i < key_count; i++) {
2644 struct mgmt_ltk_info *key = &cp->keys[i];
2650 type = HCI_SMP_LTK_SLAVE;
2652 hci_add_ltk(hdev, &key->addr.bdaddr,
2653 bdaddr_to_le(key->addr.type),
2654 type, 0, key->authenticated, key->val,
2655 key->enc_size, key->ediv, key->rand);
2658 hci_dev_unlock(hdev);
2663 static const struct mgmt_handler {
2664 int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
2668 } mgmt_handlers[] = {
2669 { NULL }, /* 0x0000 (no command) */
2670 { read_version, false, MGMT_READ_VERSION_SIZE },
2671 { read_commands, false, MGMT_READ_COMMANDS_SIZE },
2672 { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE },
2673 { read_controller_info, false, MGMT_READ_INFO_SIZE },
2674 { set_powered, false, MGMT_SETTING_SIZE },
2675 { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE },
2676 { set_connectable, false, MGMT_SETTING_SIZE },
2677 { set_fast_connectable, false, MGMT_SETTING_SIZE },
2678 { set_pairable, false, MGMT_SETTING_SIZE },
2679 { set_link_security, false, MGMT_SETTING_SIZE },
2680 { set_ssp, false, MGMT_SETTING_SIZE },
2681 { set_hs, false, MGMT_SETTING_SIZE },
2682 { set_le, false, MGMT_SETTING_SIZE },
2683 { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE },
2684 { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE },
2685 { add_uuid, false, MGMT_ADD_UUID_SIZE },
2686 { remove_uuid, false, MGMT_REMOVE_UUID_SIZE },
2687 { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE },
2688 { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE },
2689 { disconnect, false, MGMT_DISCONNECT_SIZE },
2690 { get_connections, false, MGMT_GET_CONNECTIONS_SIZE },
2691 { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE },
2692 { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE },
2693 { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE },
2694 { pair_device, false, MGMT_PAIR_DEVICE_SIZE },
2695 { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE },
2696 { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE },
2697 { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE },
2698 { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE },
2699 { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE },
2700 { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE },
2701 { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE },
2702 { add_remote_oob_data, false, MGMT_ADD_REMOTE_OOB_DATA_SIZE },
2703 { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE },
2704 { start_discovery, false, MGMT_START_DISCOVERY_SIZE },
2705 { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE },
2706 { confirm_name, false, MGMT_CONFIRM_NAME_SIZE },
2707 { block_device, false, MGMT_BLOCK_DEVICE_SIZE },
2708 { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE },
2709 { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE },
2713 int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
2717 struct mgmt_hdr *hdr;
2718 u16 opcode, index, len;
2719 struct hci_dev *hdev = NULL;
2720 const struct mgmt_handler *handler;
2723 BT_DBG("got %zu bytes", msglen);
2725 if (msglen < sizeof(*hdr))
2728 buf = kmalloc(msglen, GFP_KERNEL);
2732 if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
2738 opcode = __le16_to_cpu(hdr->opcode);
2739 index = __le16_to_cpu(hdr->index);
2740 len = __le16_to_cpu(hdr->len);
2742 if (len != msglen - sizeof(*hdr)) {
2747 if (index != MGMT_INDEX_NONE) {
2748 hdev = hci_dev_get(index);
2750 err = cmd_status(sk, index, opcode,
2751 MGMT_STATUS_INVALID_INDEX);
2756 if (opcode >= ARRAY_SIZE(mgmt_handlers) ||
2757 mgmt_handlers[opcode].func == NULL) {
2758 BT_DBG("Unknown op %u", opcode);
2759 err = cmd_status(sk, index, opcode,
2760 MGMT_STATUS_UNKNOWN_COMMAND);
2764 if ((hdev && opcode < MGMT_OP_READ_INFO) ||
2765 (!hdev && opcode >= MGMT_OP_READ_INFO)) {
2766 err = cmd_status(sk, index, opcode,
2767 MGMT_STATUS_INVALID_INDEX);
2771 handler = &mgmt_handlers[opcode];
2773 if ((handler->var_len && len < handler->data_len) ||
2774 (!handler->var_len && len != handler->data_len)) {
2775 err = cmd_status(sk, index, opcode,
2776 MGMT_STATUS_INVALID_PARAMS);
2781 mgmt_init_hdev(sk, hdev);
2783 cp = buf + sizeof(*hdr);
2785 err = handler->func(sk, hdev, cp, len);
2799 static void cmd_status_rsp(struct pending_cmd *cmd, void *data)
2803 cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
2804 mgmt_pending_remove(cmd);
2807 int mgmt_index_added(struct hci_dev *hdev)
2809 return mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL);
2812 int mgmt_index_removed(struct hci_dev *hdev)
2814 u8 status = MGMT_STATUS_INVALID_INDEX;
2816 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
2818 return mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL);
2823 struct hci_dev *hdev;
2827 static void settings_rsp(struct pending_cmd *cmd, void *data)
2829 struct cmd_lookup *match = data;
2831 send_settings_rsp(cmd->sk, cmd->opcode, match->hdev);
2833 list_del(&cmd->list);
2835 if (match->sk == NULL) {
2836 match->sk = cmd->sk;
2837 sock_hold(match->sk);
2840 mgmt_pending_free(cmd);
2843 int mgmt_powered(struct hci_dev *hdev, u8 powered)
2845 struct cmd_lookup match = { NULL, hdev };
2848 if (!test_bit(HCI_MGMT, &hdev->dev_flags))
2851 mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
2856 if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
2858 if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
2859 scan |= SCAN_INQUIRY;
2862 hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
2865 update_name(hdev, hdev->dev_name);
2868 u8 status = MGMT_STATUS_NOT_POWERED;
2869 mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
2872 err = new_settings(hdev, match.sk);
2880 int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable)
2882 struct cmd_lookup match = { NULL, hdev };
2883 bool changed = false;
2887 if (!test_and_set_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
2890 if (test_and_clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
2894 mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev, settings_rsp,
2898 err = new_settings(hdev, match.sk);
2906 int mgmt_connectable(struct hci_dev *hdev, u8 connectable)
2908 struct cmd_lookup match = { NULL, hdev };
2909 bool changed = false;
2913 if (!test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags))
2916 if (test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags))
2920 mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev, settings_rsp,
2924 err = new_settings(hdev, match.sk);
2932 int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status)
2934 u8 mgmt_err = mgmt_status(status);
2936 if (scan & SCAN_PAGE)
2937 mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev,
2938 cmd_status_rsp, &mgmt_err);
2940 if (scan & SCAN_INQUIRY)
2941 mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev,
2942 cmd_status_rsp, &mgmt_err);
2947 int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
2950 struct mgmt_ev_new_link_key ev;
2952 memset(&ev, 0, sizeof(ev));
2954 ev.store_hint = persistent;
2955 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
2956 ev.key.addr.type = BDADDR_BREDR;
2957 ev.key.type = key->type;
2958 memcpy(ev.key.val, key->val, 16);
2959 ev.key.pin_len = key->pin_len;
2961 return mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL);
2964 int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent)
2966 struct mgmt_ev_new_long_term_key ev;
2968 memset(&ev, 0, sizeof(ev));
2970 ev.store_hint = persistent;
2971 bacpy(&ev.key.addr.bdaddr, &key->bdaddr);
2972 ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type);
2973 ev.key.authenticated = key->authenticated;
2974 ev.key.enc_size = key->enc_size;
2975 ev.key.ediv = key->ediv;
2977 if (key->type == HCI_SMP_LTK)
2980 memcpy(ev.key.rand, key->rand, sizeof(key->rand));
2981 memcpy(ev.key.val, key->val, sizeof(key->val));
2983 return mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev),
2987 int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
2988 u8 addr_type, u32 flags, u8 *name, u8 name_len,
2992 struct mgmt_ev_device_connected *ev = (void *) buf;
2995 bacpy(&ev->addr.bdaddr, bdaddr);
2996 ev->addr.type = link_to_bdaddr(link_type, addr_type);
2998 ev->flags = __cpu_to_le32(flags);
3001 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE,
3004 if (dev_class && memcmp(dev_class, "\0\0\0", 3) != 0)
3005 eir_len = eir_append_data(ev->eir, eir_len,
3006 EIR_CLASS_OF_DEV, dev_class, 3);
3008 ev->eir_len = cpu_to_le16(eir_len);
3010 return mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf,
3011 sizeof(*ev) + eir_len, NULL);
3014 static void disconnect_rsp(struct pending_cmd *cmd, void *data)
3016 struct mgmt_cp_disconnect *cp = cmd->param;
3017 struct sock **sk = data;
3018 struct mgmt_rp_disconnect rp;
3020 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3021 rp.addr.type = cp->addr.type;
3023 cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp,
3029 mgmt_pending_remove(cmd);
3032 static void unpair_device_rsp(struct pending_cmd *cmd, void *data)
3034 struct hci_dev *hdev = data;
3035 struct mgmt_cp_unpair_device *cp = cmd->param;
3036 struct mgmt_rp_unpair_device rp;
3038 memset(&rp, 0, sizeof(rp));
3039 bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr);
3040 rp.addr.type = cp->addr.type;
3042 device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk);
3044 cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp));
3046 mgmt_pending_remove(cmd);
3049 int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
3050 u8 link_type, u8 addr_type)
3052 struct mgmt_addr_info ev;
3053 struct sock *sk = NULL;
3056 mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk);
3058 bacpy(&ev.bdaddr, bdaddr);
3059 ev.type = link_to_bdaddr(link_type, addr_type);
3061 err = mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev),
3067 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
3073 int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
3074 u8 link_type, u8 addr_type, u8 status)
3076 struct mgmt_rp_disconnect rp;
3077 struct pending_cmd *cmd;
3080 cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev);
3084 bacpy(&rp.addr.bdaddr, bdaddr);
3085 rp.addr.type = link_to_bdaddr(link_type, addr_type);
3087 err = cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT,
3088 mgmt_status(status), &rp, sizeof(rp));
3090 mgmt_pending_remove(cmd);
3092 mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp,
3097 int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
3098 u8 addr_type, u8 status)
3100 struct mgmt_ev_connect_failed ev;
3102 bacpy(&ev.addr.bdaddr, bdaddr);
3103 ev.addr.type = link_to_bdaddr(link_type, addr_type);
3104 ev.status = mgmt_status(status);
3106 return mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL);
3109 int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure)
3111 struct mgmt_ev_pin_code_request ev;
3113 bacpy(&ev.addr.bdaddr, bdaddr);
3114 ev.addr.type = BDADDR_BREDR;
3117 return mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev),
3121 int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
3124 struct pending_cmd *cmd;
3125 struct mgmt_rp_pin_code_reply rp;
3128 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev);
3132 bacpy(&rp.addr.bdaddr, bdaddr);
3133 rp.addr.type = BDADDR_BREDR;
3135 err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY,
3136 mgmt_status(status), &rp, sizeof(rp));
3138 mgmt_pending_remove(cmd);
3143 int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
3146 struct pending_cmd *cmd;
3147 struct mgmt_rp_pin_code_reply rp;
3150 cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev);
3154 bacpy(&rp.addr.bdaddr, bdaddr);
3155 rp.addr.type = BDADDR_BREDR;
3157 err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY,
3158 mgmt_status(status), &rp, sizeof(rp));
3160 mgmt_pending_remove(cmd);
3165 int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
3166 u8 link_type, u8 addr_type, __le32 value,
3169 struct mgmt_ev_user_confirm_request ev;
3171 BT_DBG("%s", hdev->name);
3173 bacpy(&ev.addr.bdaddr, bdaddr);
3174 ev.addr.type = link_to_bdaddr(link_type, addr_type);
3175 ev.confirm_hint = confirm_hint;
3178 return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev),
3182 int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
3183 u8 link_type, u8 addr_type)
3185 struct mgmt_ev_user_passkey_request ev;
3187 BT_DBG("%s", hdev->name);
3189 bacpy(&ev.addr.bdaddr, bdaddr);
3190 ev.addr.type = link_to_bdaddr(link_type, addr_type);
3192 return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev),
3196 static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
3197 u8 link_type, u8 addr_type, u8 status,
3200 struct pending_cmd *cmd;
3201 struct mgmt_rp_user_confirm_reply rp;
3204 cmd = mgmt_pending_find(opcode, hdev);
3208 bacpy(&rp.addr.bdaddr, bdaddr);
3209 rp.addr.type = link_to_bdaddr(link_type, addr_type);
3210 err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status),
3213 mgmt_pending_remove(cmd);
3218 int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
3219 u8 link_type, u8 addr_type, u8 status)
3221 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
3222 status, MGMT_OP_USER_CONFIRM_REPLY);
3225 int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
3226 u8 link_type, u8 addr_type, u8 status)
3228 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
3229 status, MGMT_OP_USER_CONFIRM_NEG_REPLY);
3232 int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
3233 u8 link_type, u8 addr_type, u8 status)
3235 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
3236 status, MGMT_OP_USER_PASSKEY_REPLY);
3239 int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
3240 u8 link_type, u8 addr_type, u8 status)
3242 return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type,
3243 status, MGMT_OP_USER_PASSKEY_NEG_REPLY);
3246 int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
3247 u8 addr_type, u8 status)
3249 struct mgmt_ev_auth_failed ev;
3251 bacpy(&ev.addr.bdaddr, bdaddr);
3252 ev.addr.type = link_to_bdaddr(link_type, addr_type);
3253 ev.status = mgmt_status(status);
3255 return mgmt_event(MGMT_EV_AUTH_FAILED, hdev, &ev, sizeof(ev), NULL);
3258 int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
3260 struct cmd_lookup match = { NULL, hdev };
3261 bool changed = false;
3265 u8 mgmt_err = mgmt_status(status);
3266 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev,
3267 cmd_status_rsp, &mgmt_err);
3271 if (test_bit(HCI_AUTH, &hdev->flags)) {
3272 if (!test_and_set_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
3275 if (test_and_clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags))
3279 mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp,
3283 err = new_settings(hdev, match.sk);
3291 static int clear_eir(struct hci_dev *hdev)
3293 struct hci_cp_write_eir cp;
3295 if (!(hdev->features[6] & LMP_EXT_INQ))
3298 memset(hdev->eir, 0, sizeof(hdev->eir));
3300 memset(&cp, 0, sizeof(cp));
3302 return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
3305 int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
3307 struct cmd_lookup match = { NULL, hdev };
3308 bool changed = false;
3312 u8 mgmt_err = mgmt_status(status);
3314 if (enable && test_and_clear_bit(HCI_SSP_ENABLED,
3316 err = new_settings(hdev, NULL);
3318 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp,
3325 if (!test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
3328 if (test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
3332 mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match);
3335 err = new_settings(hdev, match.sk);
3340 if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
3348 static void class_rsp(struct pending_cmd *cmd, void *data)
3350 struct cmd_lookup *match = data;
3352 cmd_complete(cmd->sk, cmd->index, cmd->opcode, match->mgmt_status,
3353 match->hdev->dev_class, 3);
3355 list_del(&cmd->list);
3357 if (match->sk == NULL) {
3358 match->sk = cmd->sk;
3359 sock_hold(match->sk);
3362 mgmt_pending_free(cmd);
3365 int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
3368 struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
3371 clear_bit(HCI_PENDING_CLASS, &hdev->dev_flags);
3373 mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, class_rsp, &match);
3374 mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, class_rsp, &match);
3375 mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, class_rsp, &match);
3378 err = mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class,
3387 int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
3389 struct pending_cmd *cmd;
3390 struct mgmt_cp_set_local_name ev;
3391 bool changed = false;
3394 if (memcmp(name, hdev->dev_name, sizeof(hdev->dev_name)) != 0) {
3395 memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
3399 memset(&ev, 0, sizeof(ev));
3400 memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
3401 memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
3403 cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
3407 /* Always assume that either the short or the complete name has
3408 * changed if there was a pending mgmt command */
3412 err = cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
3413 mgmt_status(status));
3417 err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, &ev,
3424 err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev,
3425 sizeof(ev), cmd ? cmd->sk : NULL);
3431 mgmt_pending_remove(cmd);
3435 int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
3436 u8 *randomizer, u8 status)
3438 struct pending_cmd *cmd;
3441 BT_DBG("%s status %u", hdev->name, status);
3443 cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
3448 err = cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
3449 mgmt_status(status));
3451 struct mgmt_rp_read_local_oob_data rp;
3453 memcpy(rp.hash, hash, sizeof(rp.hash));
3454 memcpy(rp.randomizer, randomizer, sizeof(rp.randomizer));
3456 err = cmd_complete(cmd->sk, hdev->id,
3457 MGMT_OP_READ_LOCAL_OOB_DATA, 0, &rp,
3461 mgmt_pending_remove(cmd);
3466 int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
3468 struct cmd_lookup match = { NULL, hdev };
3469 bool changed = false;
3473 u8 mgmt_err = mgmt_status(status);
3475 if (enable && test_and_clear_bit(HCI_LE_ENABLED,
3477 err = new_settings(hdev, NULL);
3479 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp,
3486 if (!test_and_set_bit(HCI_LE_ENABLED, &hdev->dev_flags))
3489 if (test_and_clear_bit(HCI_LE_ENABLED, &hdev->dev_flags))
3493 mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match);
3496 err = new_settings(hdev, match.sk);
3504 int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
3505 u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, u8
3506 ssp, u8 *eir, u16 eir_len)
3509 struct mgmt_ev_device_found *ev = (void *) buf;
3512 /* Leave 5 bytes for a potential CoD field */
3513 if (sizeof(*ev) + eir_len + 5 > sizeof(buf))
3516 memset(buf, 0, sizeof(buf));
3518 bacpy(&ev->addr.bdaddr, bdaddr);
3519 ev->addr.type = link_to_bdaddr(link_type, addr_type);
3522 ev->flags[0] |= MGMT_DEV_FOUND_CONFIRM_NAME;
3524 ev->flags[0] |= MGMT_DEV_FOUND_LEGACY_PAIRING;
3527 memcpy(ev->eir, eir, eir_len);
3529 if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV))
3530 eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV,
3533 ev->eir_len = cpu_to_le16(eir_len);
3535 ev_size = sizeof(*ev) + eir_len;
3537 return mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL);
3540 int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
3541 u8 addr_type, s8 rssi, u8 *name, u8 name_len)
3543 struct mgmt_ev_device_found *ev;
3544 char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2];
3547 ev = (struct mgmt_ev_device_found *) buf;
3549 memset(buf, 0, sizeof(buf));
3551 bacpy(&ev->addr.bdaddr, bdaddr);
3552 ev->addr.type = link_to_bdaddr(link_type, addr_type);
3555 eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name,
3558 ev->eir_len = cpu_to_le16(eir_len);
3560 return mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev,
3561 sizeof(*ev) + eir_len, NULL);
3564 int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status)
3566 struct pending_cmd *cmd;
3570 hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
3572 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
3576 type = hdev->discovery.type;
3578 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3579 &type, sizeof(type));
3580 mgmt_pending_remove(cmd);
3585 int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status)
3587 struct pending_cmd *cmd;
3590 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
3594 err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status),
3595 &hdev->discovery.type, sizeof(hdev->discovery.type));
3596 mgmt_pending_remove(cmd);
3601 int mgmt_discovering(struct hci_dev *hdev, u8 discovering)
3603 struct mgmt_ev_discovering ev;
3604 struct pending_cmd *cmd;
3606 BT_DBG("%s discovering %u", hdev->name, discovering);
3609 cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev);
3611 cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev);
3614 u8 type = hdev->discovery.type;
3616 cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0, &type,
3618 mgmt_pending_remove(cmd);
3621 memset(&ev, 0, sizeof(ev));
3622 ev.type = hdev->discovery.type;
3623 ev.discovering = discovering;
3625 return mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL);
3628 int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
3630 struct pending_cmd *cmd;
3631 struct mgmt_ev_device_blocked ev;
3633 cmd = mgmt_pending_find(MGMT_OP_BLOCK_DEVICE, hdev);
3635 bacpy(&ev.addr.bdaddr, bdaddr);
3636 ev.addr.type = type;
3638 return mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &ev, sizeof(ev),
3639 cmd ? cmd->sk : NULL);
3642 int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
3644 struct pending_cmd *cmd;
3645 struct mgmt_ev_device_unblocked ev;
3647 cmd = mgmt_pending_find(MGMT_OP_UNBLOCK_DEVICE, hdev);
3649 bacpy(&ev.addr.bdaddr, bdaddr);
3650 ev.addr.type = type;
3652 return mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &ev, sizeof(ev),
3653 cmd ? cmd->sk : NULL);
3656 module_param(enable_hs, bool, 0644);
3657 MODULE_PARM_DESC(enable_hs, "Enable High Speed support");