Bluetooth: Add support for adv instance timeout
This patch implements support for the timeout parameter of the Add Advertising command. Signed-off-by: Arman Uguray <armansito@chromium.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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Родитель
4117ed70a5
Коммит
912098a630
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@ -156,8 +156,10 @@ struct oob_data {
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};
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struct adv_info {
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struct delayed_work timeout_exp;
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__u8 instance;
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__u32 flags;
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__u16 timeout;
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__u16 adv_data_len;
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__u8 adv_data[HCI_MAX_AD_LENGTH];
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__u16 scan_rsp_len;
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@ -1336,6 +1336,49 @@ static bool hci_stop_discovery(struct hci_request *req)
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return false;
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}
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static void advertising_added(struct sock *sk, struct hci_dev *hdev,
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u8 instance)
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{
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struct mgmt_ev_advertising_added ev;
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ev.instance = instance;
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mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk);
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}
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static void advertising_removed(struct sock *sk, struct hci_dev *hdev,
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u8 instance)
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{
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struct mgmt_ev_advertising_removed ev;
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ev.instance = instance;
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mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk);
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}
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static void clear_adv_instance(struct hci_dev *hdev)
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{
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struct hci_request req;
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if (!hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE))
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return;
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if (hdev->adv_instance.timeout)
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cancel_delayed_work(&hdev->adv_instance.timeout_exp);
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memset(&hdev->adv_instance, 0, sizeof(hdev->adv_instance));
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advertising_removed(NULL, hdev, 1);
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hci_dev_clear_flag(hdev, HCI_ADVERTISING_INSTANCE);
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if (!hdev_is_powered(hdev) ||
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hci_dev_test_flag(hdev, HCI_ADVERTISING))
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return;
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hci_req_init(&req, hdev);
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disable_advertising(&req);
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hci_req_run(&req, NULL);
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}
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static int clean_up_hci_state(struct hci_dev *hdev)
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{
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struct hci_request req;
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@ -1351,6 +1394,9 @@ static int clean_up_hci_state(struct hci_dev *hdev)
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hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
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}
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if (hdev->adv_instance.timeout)
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clear_adv_instance(hdev);
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if (hci_dev_test_flag(hdev, HCI_LE_ADV))
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disable_advertising(&req);
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@ -6468,26 +6514,6 @@ static bool tlv_data_is_valid(struct hci_dev *hdev, u32 adv_flags, u8 *data,
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return true;
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}
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static void advertising_added(struct sock *sk, struct hci_dev *hdev,
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u8 instance)
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{
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struct mgmt_ev_advertising_added ev;
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ev.instance = instance;
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mgmt_event(MGMT_EV_ADVERTISING_ADDED, hdev, &ev, sizeof(ev), sk);
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}
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static void advertising_removed(struct sock *sk, struct hci_dev *hdev,
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u8 instance)
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{
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struct mgmt_ev_advertising_removed ev;
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ev.instance = instance;
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mgmt_event(MGMT_EV_ADVERTISING_REMOVED, hdev, &ev, sizeof(ev), sk);
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}
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static void add_advertising_complete(struct hci_dev *hdev, u8 status,
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u16 opcode)
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{
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@ -6524,6 +6550,18 @@ unlock:
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hci_dev_unlock(hdev);
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}
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static void adv_timeout_expired(struct work_struct *work)
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{
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struct hci_dev *hdev = container_of(work, struct hci_dev,
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adv_instance.timeout_exp.work);
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hdev->adv_instance.timeout = 0;
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hci_dev_lock(hdev);
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clear_adv_instance(hdev);
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hci_dev_unlock(hdev);
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}
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static int add_advertising(struct sock *sk, struct hci_dev *hdev,
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void *data, u16 data_len)
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{
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@ -6531,6 +6569,7 @@ static int add_advertising(struct sock *sk, struct hci_dev *hdev,
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struct mgmt_rp_add_advertising rp;
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u32 flags;
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u8 status;
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u16 timeout;
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int err;
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struct mgmt_pending_cmd *cmd;
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struct hci_request req;
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@ -6543,6 +6582,7 @@ static int add_advertising(struct sock *sk, struct hci_dev *hdev,
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status);
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flags = __le32_to_cpu(cp->flags);
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timeout = __le16_to_cpu(cp->timeout);
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/* The current implementation only supports adding one instance and
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* doesn't support flags.
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@ -6553,6 +6593,12 @@ static int add_advertising(struct sock *sk, struct hci_dev *hdev,
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hci_dev_lock(hdev);
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if (timeout && !hdev_is_powered(hdev)) {
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err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING,
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MGMT_STATUS_REJECTED);
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goto unlock;
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}
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if (pending_find(MGMT_OP_ADD_ADVERTISING, hdev) ||
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pending_find(MGMT_OP_REMOVE_ADVERTISING, hdev) ||
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pending_find(MGMT_OP_SET_LE, hdev)) {
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@ -6569,6 +6615,8 @@ static int add_advertising(struct sock *sk, struct hci_dev *hdev,
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goto unlock;
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}
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INIT_DELAYED_WORK(&hdev->adv_instance.timeout_exp, adv_timeout_expired);
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hdev->adv_instance.flags = flags;
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hdev->adv_instance.adv_data_len = cp->adv_data_len;
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hdev->adv_instance.scan_rsp_len = cp->scan_rsp_len;
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@ -6580,6 +6628,16 @@ static int add_advertising(struct sock *sk, struct hci_dev *hdev,
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memcpy(hdev->adv_instance.scan_rsp_data,
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cp->data + cp->adv_data_len, cp->scan_rsp_len);
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if (hdev->adv_instance.timeout)
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cancel_delayed_work(&hdev->adv_instance.timeout_exp);
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hdev->adv_instance.timeout = timeout;
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if (timeout)
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queue_delayed_work(hdev->workqueue,
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&hdev->adv_instance.timeout_exp,
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msecs_to_jiffies(timeout * 1000));
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if (!hci_dev_test_and_set_flag(hdev, HCI_ADVERTISING_INSTANCE))
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advertising_added(sk, hdev, 1);
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@ -6682,6 +6740,9 @@ static int remove_advertising(struct sock *sk, struct hci_dev *hdev,
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goto unlock;
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}
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if (hdev->adv_instance.timeout)
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cancel_delayed_work(&hdev->adv_instance.timeout_exp);
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memset(&hdev->adv_instance, 0, sizeof(hdev->adv_instance));
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advertising_removed(sk, hdev, 1);
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