Bluetooth: Add timer for regenerating local RPA
This patch adds a timer for updating the local RPA periodically. The
default timeout is set to 15 minutes.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 301b18a..4522da1 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -881,12 +881,39 @@
hci_req_run(&req, NULL);
}
+static void rpa_expired(struct work_struct *work)
+{
+ struct hci_dev *hdev = container_of(work, struct hci_dev,
+ rpa_expired.work);
+ struct hci_request req;
+
+ BT_DBG("");
+
+ set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
+
+ if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags) ||
+ hci_conn_num(hdev, LE_LINK) > 0)
+ return;
+
+ /* The generation of a new RPA and programming it into the
+ * controller happens in the enable_advertising() function.
+ */
+
+ hci_req_init(&req, hdev);
+
+ disable_advertising(&req);
+ enable_advertising(&req);
+
+ hci_req_run(&req, NULL);
+}
+
static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
{
if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags))
return;
INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off);
+ INIT_DELAYED_WORK(&hdev->rpa_expired, rpa_expired);
/* Non-mgmt controlled devices get this bit set
* implicitly so that pairing works for them, however