diff options
Diffstat (limited to 'net/bluetooth/mgmt.c')
-rw-r--r-- | net/bluetooth/mgmt.c | 105 |
1 files changed, 75 insertions, 30 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 9490663ee3fb..db2e5a2f4e03 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -5111,6 +5111,32 @@ static bool discovery_type_is_valid(struct hci_dev *hdev, uint8_t type, return true; } +static void start_discovery_complete(struct hci_dev *hdev, void *data, int err) +{ + struct mgmt_pending_cmd *cmd = data; + + bt_dev_dbg(hdev, "err %d", err); + + mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(err), + cmd->param, 1); + mgmt_pending_free(cmd); + + /* Handle suspend notifier */ + if (test_and_clear_bit(SUSPEND_UNPAUSE_DISCOVERY, + hdev->suspend_tasks)) { + bt_dev_dbg(hdev, "Unpaused discovery"); + wake_up(&hdev->suspend_wait_q); + } + + hci_discovery_set_state(hdev, err ? DISCOVERY_STOPPED : + DISCOVERY_FINDING); +} + +static int start_discovery_sync(struct hci_dev *hdev, void *data) +{ + return hci_start_discovery_sync(hdev); +} + static int start_discovery_internal(struct sock *sk, struct hci_dev *hdev, u16 op, void *data, u16 len) { @@ -5162,17 +5188,20 @@ static int start_discovery_internal(struct sock *sk, struct hci_dev *hdev, else hdev->discovery.limited = false; - cmd = mgmt_pending_add(sk, op, hdev, data, len); + cmd = mgmt_pending_new(sk, op, hdev, data, len); if (!cmd) { err = -ENOMEM; goto failed; } - cmd->cmd_complete = generic_cmd_complete; + err = hci_cmd_sync_queue(hdev, start_discovery_sync, cmd, + start_discovery_complete); + if (err < 0) { + mgmt_pending_free(cmd); + goto failed; + } hci_discovery_set_state(hdev, DISCOVERY_STARTING); - queue_work(hdev->req_workqueue, &hdev->discov_update); - err = 0; failed: hci_dev_unlock(hdev); @@ -5194,13 +5223,6 @@ static int start_limited_discovery(struct sock *sk, struct hci_dev *hdev, data, len); } -static int service_discovery_cmd_complete(struct mgmt_pending_cmd *cmd, - u8 status) -{ - return mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, status, - cmd->param, 1); -} - static int start_service_discovery(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { @@ -5269,15 +5291,13 @@ static int start_service_discovery(struct sock *sk, struct hci_dev *hdev, goto failed; } - cmd = mgmt_pending_add(sk, MGMT_OP_START_SERVICE_DISCOVERY, + cmd = mgmt_pending_new(sk, MGMT_OP_START_SERVICE_DISCOVERY, hdev, data, len); if (!cmd) { err = -ENOMEM; goto failed; } - cmd->cmd_complete = service_discovery_cmd_complete; - /* Clear the discovery filter first to free any previously * allocated memory for the UUID list. */ @@ -5301,9 +5321,14 @@ static int start_service_discovery(struct sock *sk, struct hci_dev *hdev, } } + err = hci_cmd_sync_queue(hdev, start_discovery_sync, cmd, + start_discovery_complete); + if (err < 0) { + mgmt_pending_free(cmd); + goto failed; + } + hci_discovery_set_state(hdev, DISCOVERY_STARTING); - queue_work(hdev->req_workqueue, &hdev->discov_update); - err = 0; failed: hci_dev_unlock(hdev); @@ -5333,6 +5358,31 @@ void mgmt_stop_discovery_complete(struct hci_dev *hdev, u8 status) } } +static void stop_discovery_complete(struct hci_dev *hdev, void *data, int err) +{ + struct mgmt_pending_cmd *cmd = data; + + bt_dev_dbg(hdev, "err %d", err); + + mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(err), + cmd->param, 1); + mgmt_pending_free(cmd); + + /* Handle suspend notifier */ + if (test_and_clear_bit(SUSPEND_PAUSE_DISCOVERY, hdev->suspend_tasks)) { + bt_dev_dbg(hdev, "Paused discovery"); + wake_up(&hdev->suspend_wait_q); + } + + if (!err) + hci_discovery_set_state(hdev, DISCOVERY_STOPPED); +} + +static int stop_discovery_sync(struct hci_dev *hdev, void *data) +{ + return hci_stop_discovery_sync(hdev); +} + static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { @@ -5358,17 +5408,20 @@ static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data, goto unlock; } - cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len); + cmd = mgmt_pending_new(sk, MGMT_OP_STOP_DISCOVERY, hdev, data, len); if (!cmd) { err = -ENOMEM; goto unlock; } - cmd->cmd_complete = generic_cmd_complete; + err = hci_cmd_sync_queue(hdev, stop_discovery_sync, cmd, + stop_discovery_complete); + if (err < 0) { + mgmt_pending_free(cmd); + goto unlock; + } hci_discovery_set_state(hdev, DISCOVERY_STOPPING); - queue_work(hdev->req_workqueue, &hdev->discov_update); - err = 0; unlock: hci_dev_unlock(hdev); @@ -5803,16 +5856,8 @@ static int set_scan_params(struct sock *sk, struct hci_dev *hdev, * loaded. */ if (hci_dev_test_flag(hdev, HCI_LE_SCAN) && - hdev->discovery.state == DISCOVERY_STOPPED) { - struct hci_request req; - - hci_req_init(&req, hdev); - - hci_req_add_le_scan_disable(&req, false); - hci_req_add_le_passive_scan(&req); - - hci_req_run(&req, NULL); - } + hdev->discovery.state == DISCOVERY_STOPPED) + hci_update_passive_scan(hdev); hci_dev_unlock(hdev); |