Bluetooth: hci_sync: Make use of hci_cmd_sync_queue set 3

This make use of hci_cmd_sync_queue for the following MGMT commands:

    Add Device
    Remove Device

Tested with:

mgmt-tester -s "Add Device"

Test Summary
------------
Add Device - Invalid Params 1                        Passed
Add Device - Invalid Params 2                        Passed
Add Device - Invalid Params 3                        Passed
Add Device - Invalid Params 4                        Passed
Add Device - Success 1                               Passed
Add Device - Success 2                               Passed
Add Device - Success 3                               Passed
Add Device - Success 4                               Passed
Add Device - Success 5                               Passed
Add Device - Success 6 - Add to whitelist            Passed
Add Device - Success 7 - Add to resolv list          Passed
Add Device - Success 8 - Enable resolv list          Passed
Total: 12, Passed: 12 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 0.209 seconds

mgmt-tester -s "Remove Device"

Test Summary
------------
Remove Device - Invalid Params 1                     Passed
Remove Device - Invalid Params 2                     Passed
Remove Device - Invalid Params 3                     Passed
Remove Device - Success 1                            Passed
Remove Device - Success 2                            Passed
Remove Device - Success 3                            Passed
Remove Device - Success 4                            Passed
Remove Device - Success 5                            Passed
Remove Device - Success 6 - All Devices              Passed
Remove Device - Success 7 - Remove from whitelist    Passed
Remove Device - Success 8 - Remove from resolv list  Passed
Total: 11, Passed: 11 (100.0%), Failed: 0, Not Run: 0
Overall execution time: 4.26 seconds

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Luiz Augusto von Dentz 2021-10-27 16:58:41 -07:00 committed by Marcel Holtmann
parent cba6b75871
commit e8907f7654
3 changed files with 634 additions and 4 deletions

View File

@ -63,3 +63,5 @@ int hci_enable_advertising_sync(struct hci_dev *hdev);
int hci_remove_advertising_sync(struct hci_dev *hdev, struct sock *sk,
u8 instance, bool force);
int hci_disable_advertising_sync(struct hci_dev *hdev);
int hci_update_passive_scan_sync(struct hci_dev *hdev);

View File

@ -1290,3 +1290,620 @@ int hci_disable_advertising_sync(struct hci_dev *hdev)
return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADV_ENABLE,
sizeof(enable), &enable, HCI_CMD_TIMEOUT);
}
static int hci_le_set_ext_scan_enable_sync(struct hci_dev *hdev, u8 val,
u8 filter_dup)
{
struct hci_cp_le_set_ext_scan_enable cp;
memset(&cp, 0, sizeof(cp));
cp.enable = val;
cp.filter_dup = filter_dup;
return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_SCAN_ENABLE,
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
}
static int hci_le_set_scan_enable_sync(struct hci_dev *hdev, u8 val,
u8 filter_dup)
{
struct hci_cp_le_set_scan_enable cp;
if (use_ext_scan(hdev))
return hci_le_set_ext_scan_enable_sync(hdev, val, filter_dup);
memset(&cp, 0, sizeof(cp));
cp.enable = val;
cp.filter_dup = filter_dup;
return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_SCAN_ENABLE,
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
}
static int hci_le_set_addr_resolution_enable_sync(struct hci_dev *hdev, u8 val)
{
if (!use_ll_privacy(hdev) ||
!hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
return 0;
return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_ADDR_RESOLV_ENABLE,
sizeof(val), &val, HCI_CMD_TIMEOUT);
}
int hci_scan_disable_sync(struct hci_dev *hdev, bool rpa_le_conn)
{
int err;
/* If controller is not scanning we are done. */
if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
return 0;
if (hdev->scanning_paused) {
bt_dev_dbg(hdev, "Scanning is paused for suspend");
return 0;
}
if (hdev->suspended)
set_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);
err = hci_le_set_scan_enable_sync(hdev, LE_SCAN_DISABLE, 0x00);
if (err) {
bt_dev_err(hdev, "Unable to disable scanning: %d", err);
return err;
}
if (rpa_le_conn) {
err = hci_le_set_addr_resolution_enable_sync(hdev, 0x00);
if (err)
bt_dev_err(hdev, "Unable to disable LL privacy: %d",
err);
}
return err;
}
static bool scan_use_rpa(struct hci_dev *hdev)
{
return hci_dev_test_flag(hdev, HCI_PRIVACY);
}
static void hci_start_interleave_scan(struct hci_dev *hdev)
{
hdev->interleave_scan_state = INTERLEAVE_SCAN_NO_FILTER;
queue_delayed_work(hdev->req_workqueue,
&hdev->interleave_scan, 0);
}
static bool is_interleave_scanning(struct hci_dev *hdev)
{
return hdev->interleave_scan_state != INTERLEAVE_SCAN_NONE;
}
static void cancel_interleave_scan(struct hci_dev *hdev)
{
bt_dev_dbg(hdev, "cancelling interleave scan");
cancel_delayed_work_sync(&hdev->interleave_scan);
hdev->interleave_scan_state = INTERLEAVE_SCAN_NONE;
}
/* Return true if interleave_scan wasn't started until exiting this function,
* otherwise, return false
*/
static bool hci_update_interleaved_scan_sync(struct hci_dev *hdev)
{
/* Do interleaved scan only if all of the following are true:
* - There is at least one ADV monitor
* - At least one pending LE connection or one device to be scanned for
* - Monitor offloading is not supported
* If so, we should alternate between allowlist scan and one without
* any filters to save power.
*/
bool use_interleaving = hci_is_adv_monitoring(hdev) &&
!(list_empty(&hdev->pend_le_conns) &&
list_empty(&hdev->pend_le_reports)) &&
hci_get_adv_monitor_offload_ext(hdev) ==
HCI_ADV_MONITOR_EXT_NONE;
bool is_interleaving = is_interleave_scanning(hdev);
if (use_interleaving && !is_interleaving) {
hci_start_interleave_scan(hdev);
bt_dev_dbg(hdev, "starting interleave scan");
return true;
}
if (!use_interleaving && is_interleaving)
cancel_interleave_scan(hdev);
return false;
}
/* Removes connection to resolve list if needed.*/
static int hci_le_del_resolve_list_sync(struct hci_dev *hdev,
bdaddr_t *bdaddr, u8 bdaddr_type)
{
struct hci_cp_le_del_from_resolv_list cp;
struct bdaddr_list_with_irk *entry;
if (!use_ll_privacy(hdev) ||
!hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
return 0;
/* Check if the IRK has been programmed */
entry = hci_bdaddr_list_lookup_with_irk(&hdev->le_resolv_list, bdaddr,
bdaddr_type);
if (!entry)
return 0;
cp.bdaddr_type = bdaddr_type;
bacpy(&cp.bdaddr, bdaddr);
return __hci_cmd_sync_status(hdev, HCI_OP_LE_DEL_FROM_RESOLV_LIST,
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
}
static int hci_le_del_accept_list_sync(struct hci_dev *hdev,
bdaddr_t *bdaddr, u8 bdaddr_type)
{
struct hci_cp_le_del_from_accept_list cp;
int err;
/* Check if device is on accept list before removing it */
if (!hci_bdaddr_list_lookup(&hdev->le_accept_list, bdaddr, bdaddr_type))
return 0;
cp.bdaddr_type = bdaddr_type;
bacpy(&cp.bdaddr, bdaddr);
err = __hci_cmd_sync_status(hdev, HCI_OP_LE_DEL_FROM_ACCEPT_LIST,
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
if (err) {
bt_dev_err(hdev, "Unable to remove from allow list: %d", err);
return err;
}
bt_dev_dbg(hdev, "Remove %pMR (0x%x) from allow list", &cp.bdaddr,
cp.bdaddr_type);
return hci_le_del_resolve_list_sync(hdev, &cp.bdaddr, cp.bdaddr_type);
}
/* Adds connection to resolve list if needed.*/
static int hci_le_add_resolve_list_sync(struct hci_dev *hdev,
struct hci_conn_params *params)
{
struct hci_cp_le_add_to_resolv_list cp;
struct smp_irk *irk;
struct bdaddr_list_with_irk *entry;
if (!use_ll_privacy(hdev) ||
!hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
return 0;
irk = hci_find_irk_by_addr(hdev, &params->addr, params->addr_type);
if (!irk)
return 0;
/* Check if the IK has _not_ been programmed yet. */
entry = hci_bdaddr_list_lookup_with_irk(&hdev->le_resolv_list,
&params->addr,
params->addr_type);
if (entry)
return 0;
cp.bdaddr_type = params->addr_type;
bacpy(&cp.bdaddr, &params->addr);
memcpy(cp.peer_irk, irk->val, 16);
if (hci_dev_test_flag(hdev, HCI_PRIVACY))
memcpy(cp.local_irk, hdev->irk, 16);
else
memset(cp.local_irk, 0, 16);
return __hci_cmd_sync_status(hdev, HCI_OP_LE_ADD_TO_RESOLV_LIST,
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
}
/* Adds connection to allow list if needed, if the device uses RPA (has IRK)
* this attempts to program the device in the resolving list as well.
*/
static int hci_le_add_accept_list_sync(struct hci_dev *hdev,
struct hci_conn_params *params,
u8 *num_entries, bool allow_rpa)
{
struct hci_cp_le_add_to_accept_list cp;
int err;
/* Already in accept list */
if (hci_bdaddr_list_lookup(&hdev->le_accept_list, &params->addr,
params->addr_type))
return 0;
/* Select filter policy to accept all advertising */
if (*num_entries >= hdev->le_accept_list_size)
return -ENOSPC;
/* Accept list can not be used with RPAs */
if (!allow_rpa &&
!hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) &&
hci_find_irk_by_addr(hdev, &params->addr, params->addr_type)) {
return -EINVAL;
}
/* During suspend, only wakeable devices can be in acceptlist */
if (hdev->suspended && !hci_conn_test_flag(HCI_CONN_FLAG_REMOTE_WAKEUP,
params->current_flags))
return 0;
*num_entries += 1;
cp.bdaddr_type = params->addr_type;
bacpy(&cp.bdaddr, &params->addr);
err = __hci_cmd_sync_status(hdev, HCI_OP_LE_ADD_TO_ACCEPT_LIST,
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
if (err) {
bt_dev_err(hdev, "Unable to add to allow list: %d", err);
return err;
}
bt_dev_dbg(hdev, "Add %pMR (0x%x) to allow list", &cp.bdaddr,
cp.bdaddr_type);
return hci_le_add_resolve_list_sync(hdev, params);
}
static u8 hci_update_accept_list_sync(struct hci_dev *hdev)
{
struct hci_conn_params *params;
struct bdaddr_list *b, *t;
u8 num_entries = 0;
bool pend_conn, pend_report;
/* We allow acceptlisting even with RPAs in suspend. In the worst case,
* we won't be able to wake from devices that use the privacy1.2
* features. Additionally, once we support privacy1.2 and IRK
* offloading, we can update this to also check for those conditions.
*/
bool allow_rpa = hdev->suspended;
if (use_ll_privacy(hdev) &&
hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY))
allow_rpa = true;
/* Go through the current accept list programmed into the
* controller one by one and check if that address is still
* in the list of pending connections or list of devices to
* report. If not present in either list, then remove it from
* the controller.
*/
list_for_each_entry_safe(b, t, &hdev->le_accept_list, list) {
pend_conn = hci_pend_le_action_lookup(&hdev->pend_le_conns,
&b->bdaddr,
b->bdaddr_type);
pend_report = hci_pend_le_action_lookup(&hdev->pend_le_reports,
&b->bdaddr,
b->bdaddr_type);
/* If the device is not likely to connect or report,
* remove it from the acceptlist.
*/
if (!pend_conn && !pend_report) {
hci_le_del_accept_list_sync(hdev, &b->bdaddr,
b->bdaddr_type);
continue;
}
/* Accept list can not be used with RPAs */
if (!allow_rpa &&
!hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) &&
hci_find_irk_by_addr(hdev, &b->bdaddr, b->bdaddr_type)) {
return 0x00;
}
num_entries++;
}
/* Since all no longer valid accept list entries have been
* removed, walk through the list of pending connections
* and ensure that any new device gets programmed into
* the controller.
*
* If the list of the devices is larger than the list of
* available accept list entries in the controller, then
* just abort and return filer policy value to not use the
* accept list.
*/
list_for_each_entry(params, &hdev->pend_le_conns, action) {
if (hci_le_add_accept_list_sync(hdev, params, &num_entries,
allow_rpa))
return 0x00;
}
/* After adding all new pending connections, walk through
* the list of pending reports and also add these to the
* accept list if there is still space. Abort if space runs out.
*/
list_for_each_entry(params, &hdev->pend_le_reports, action) {
if (hci_le_add_accept_list_sync(hdev, params, &num_entries,
allow_rpa))
return 0x00;
}
/* Use the allowlist unless the following conditions are all true:
* - We are not currently suspending
* - There are 1 or more ADV monitors registered and it's not offloaded
* - Interleaved scanning is not currently using the allowlist
*/
if (!idr_is_empty(&hdev->adv_monitors_idr) && !hdev->suspended &&
hci_get_adv_monitor_offload_ext(hdev) == HCI_ADV_MONITOR_EXT_NONE &&
hdev->interleave_scan_state != INTERLEAVE_SCAN_ALLOWLIST)
return 0x00;
/* Select filter policy to use accept list */
return 0x01;
}
/* Returns true if an le connection is in the scanning state */
static inline bool hci_is_le_conn_scanning(struct hci_dev *hdev)
{
struct hci_conn_hash *h = &hdev->conn_hash;
struct hci_conn *c;
rcu_read_lock();
list_for_each_entry_rcu(c, &h->list, list) {
if (c->type == LE_LINK && c->state == BT_CONNECT &&
test_bit(HCI_CONN_SCANNING, &c->flags)) {
rcu_read_unlock();
return true;
}
}
rcu_read_unlock();
return false;
}
static int hci_le_set_ext_scan_param_sync(struct hci_dev *hdev, u8 type,
u16 interval, u16 window,
u8 own_addr_type, u8 filter_policy)
{
struct hci_cp_le_set_ext_scan_params *cp;
struct hci_cp_le_scan_phy_params *phy;
u8 data[sizeof(*cp) + sizeof(*phy) * 2];
u8 num_phy = 0;
cp = (void *)data;
phy = (void *)cp->data;
memset(data, 0, sizeof(data));
cp->own_addr_type = own_addr_type;
cp->filter_policy = filter_policy;
if (scan_1m(hdev) || scan_2m(hdev)) {
cp->scanning_phys |= LE_SCAN_PHY_1M;
phy->type = type;
phy->interval = cpu_to_le16(interval);
phy->window = cpu_to_le16(window);
num_phy++;
phy++;
}
if (scan_coded(hdev)) {
cp->scanning_phys |= LE_SCAN_PHY_CODED;
phy->type = type;
phy->interval = cpu_to_le16(interval);
phy->window = cpu_to_le16(window);
num_phy++;
phy++;
}
return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_SCAN_PARAMS,
sizeof(*cp) + sizeof(*phy) * num_phy,
data, HCI_CMD_TIMEOUT);
}
static int hci_le_set_scan_param_sync(struct hci_dev *hdev, u8 type,
u16 interval, u16 window,
u8 own_addr_type, u8 filter_policy)
{
struct hci_cp_le_set_scan_param cp;
if (use_ext_scan(hdev))
return hci_le_set_ext_scan_param_sync(hdev, type, interval,
window, own_addr_type,
filter_policy);
memset(&cp, 0, sizeof(cp));
cp.type = type;
cp.interval = cpu_to_le16(interval);
cp.window = cpu_to_le16(window);
cp.own_address_type = own_addr_type;
cp.filter_policy = filter_policy;
return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_SCAN_PARAM,
sizeof(cp), &cp, HCI_CMD_TIMEOUT);
}
static int hci_start_scan_sync(struct hci_dev *hdev, u8 type, u16 interval,
u16 window, u8 own_addr_type, u8 filter_policy,
bool addr_resolv)
{
int err;
if (hdev->scanning_paused) {
bt_dev_dbg(hdev, "Scanning is paused for suspend");
return 0;
}
if (addr_resolv) {
err = hci_le_set_addr_resolution_enable_sync(hdev, 0x01);
if (err)
return err;
}
err = hci_le_set_scan_param_sync(hdev, type, interval, window,
own_addr_type, filter_policy);
if (err)
return err;
return hci_le_set_scan_enable_sync(hdev, LE_SCAN_ENABLE,
LE_SCAN_FILTER_DUP_ENABLE);
}
/* Ensure to call hci_scan_disable_sync first to disable the controller based
* address resolution to be able to reconfigure resolving list.
*/
int hci_passive_scan_sync(struct hci_dev *hdev)
{
u8 own_addr_type;
u8 filter_policy;
u16 window, interval;
/* Background scanning should run with address resolution */
bool addr_resolv = true;
if (hdev->scanning_paused) {
bt_dev_dbg(hdev, "Scanning is paused for suspend");
return 0;
}
/* Set require_privacy to false since no SCAN_REQ are send
* during passive scanning. Not using an non-resolvable address
* here is important so that peer devices using direct
* advertising with our address will be correctly reported
* by the controller.
*/
if (hci_update_random_address_sync(hdev, false, scan_use_rpa(hdev),
&own_addr_type))
return 0;
if (hdev->enable_advmon_interleave_scan &&
hci_update_interleaved_scan_sync(hdev))
return 0;
bt_dev_dbg(hdev, "interleave state %d", hdev->interleave_scan_state);
/* Adding or removing entries from the accept list must
* happen before enabling scanning. The controller does
* not allow accept list modification while scanning.
*/
filter_policy = hci_update_accept_list_sync(hdev);
/* When the controller is using random resolvable addresses and
* with that having LE privacy enabled, then controllers with
* Extended Scanner Filter Policies support can now enable support
* for handling directed advertising.
*
* So instead of using filter polices 0x00 (no acceptlist)
* and 0x01 (acceptlist enabled) use the new filter policies
* 0x02 (no acceptlist) and 0x03 (acceptlist enabled).
*/
if (hci_dev_test_flag(hdev, HCI_PRIVACY) &&
(hdev->le_features[0] & HCI_LE_EXT_SCAN_POLICY))
filter_policy |= 0x02;
if (hdev->suspended) {
window = hdev->le_scan_window_suspend;
interval = hdev->le_scan_int_suspend;
set_bit(SUSPEND_SCAN_ENABLE, hdev->suspend_tasks);
} else if (hci_is_le_conn_scanning(hdev)) {
window = hdev->le_scan_window_connect;
interval = hdev->le_scan_int_connect;
} else if (hci_is_adv_monitoring(hdev)) {
window = hdev->le_scan_window_adv_monitor;
interval = hdev->le_scan_int_adv_monitor;
} else {
window = hdev->le_scan_window;
interval = hdev->le_scan_interval;
}
bt_dev_dbg(hdev, "LE passive scan with acceptlist = %d", filter_policy);
return hci_start_scan_sync(hdev, LE_SCAN_PASSIVE, interval, window,
own_addr_type, filter_policy, addr_resolv);
}
/* This function controls the passive scanning based on hdev->pend_le_conns
* list. If there are pending LE connection we start the background scanning,
* otherwise we stop it.
*/
int hci_update_passive_scan_sync(struct hci_dev *hdev)
{
int err;
if (!test_bit(HCI_UP, &hdev->flags) ||
test_bit(HCI_INIT, &hdev->flags) ||
hci_dev_test_flag(hdev, HCI_SETUP) ||
hci_dev_test_flag(hdev, HCI_CONFIG) ||
hci_dev_test_flag(hdev, HCI_AUTO_OFF) ||
hci_dev_test_flag(hdev, HCI_UNREGISTER))
return 0;
/* No point in doing scanning if LE support hasn't been enabled */
if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
return 0;
/* If discovery is active don't interfere with it */
if (hdev->discovery.state != DISCOVERY_STOPPED)
return 0;
/* Reset RSSI and UUID filters when starting background scanning
* since these filters are meant for service discovery only.
*
* The Start Discovery and Start Service Discovery operations
* ensure to set proper values for RSSI threshold and UUID
* filter list. So it is safe to just reset them here.
*/
hci_discovery_filter_clear(hdev);
bt_dev_dbg(hdev, "ADV monitoring is %s",
hci_is_adv_monitoring(hdev) ? "on" : "off");
if (list_empty(&hdev->pend_le_conns) &&
list_empty(&hdev->pend_le_reports) &&
!hci_is_adv_monitoring(hdev)) {
/* If there is no pending LE connections or devices
* to be scanned for or no ADV monitors, we should stop the
* background scanning.
*/
bt_dev_dbg(hdev, "stopping background scanning");
err = hci_scan_disable_sync(hdev, false);
if (err)
bt_dev_err(hdev, "stop background scanning failed: %d",
err);
} else {
/* If there is at least one pending LE connection, we should
* keep the background scan running.
*/
/* If controller is connecting, we should not start scanning
* since some controllers are not able to scan and connect at
* the same time.
*/
if (hci_lookup_le_connect(hdev))
return 0;
err = hci_scan_disable_sync(hdev, false);
if (err) {
bt_dev_err(hdev, "stop background scanning failed: %d",
err);
return err;
}
bt_dev_dbg(hdev, "start background scanning");
err = hci_passive_scan_sync(hdev);
if (err)
bt_dev_err(hdev, "start background scanning failed: %d",
err);
}
return err;
}

View File

@ -6927,6 +6927,11 @@ static void device_added(struct sock *sk, struct hci_dev *hdev,
mgmt_event(MGMT_EV_DEVICE_ADDED, hdev, &ev, sizeof(ev), sk);
}
static int add_device_sync(struct hci_dev *hdev, void *data)
{
return hci_update_passive_scan_sync(hdev);
}
static int add_device(struct sock *sk, struct hci_dev *hdev,
void *data, u16 len)
{
@ -7009,7 +7014,9 @@ static int add_device(struct sock *sk, struct hci_dev *hdev,
current_flags = params->current_flags;
}
hci_update_background_scan(hdev);
err = hci_cmd_sync_queue(hdev, add_device_sync, NULL, NULL);
if (err < 0)
goto unlock;
added:
device_added(sk, hdev, &cp->addr.bdaddr, cp->addr.type, cp->action);
@ -7036,6 +7043,11 @@ static void device_removed(struct sock *sk, struct hci_dev *hdev,
mgmt_event(MGMT_EV_DEVICE_REMOVED, hdev, &ev, sizeof(ev), sk);
}
static int remove_device_sync(struct hci_dev *hdev, void *data)
{
return hci_update_passive_scan_sync(hdev);
}
static int remove_device(struct sock *sk, struct hci_dev *hdev,
void *data, u16 len)
{
@ -7115,7 +7127,6 @@ static int remove_device(struct sock *sk, struct hci_dev *hdev,
list_del(&params->action);
list_del(&params->list);
kfree(params);
hci_update_background_scan(hdev);
device_removed(sk, hdev, &cp->addr.bdaddr, cp->addr.type);
} else {
@ -7152,10 +7163,10 @@ static int remove_device(struct sock *sk, struct hci_dev *hdev,
}
bt_dev_dbg(hdev, "All LE connection parameters were removed");
hci_update_background_scan(hdev);
}
hci_cmd_sync_queue(hdev, remove_device_sync, NULL, NULL);
complete:
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_DEVICE,
MGMT_STATUS_SUCCESS, &cp->addr,