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Bluetooth: Add timer for regenerating local RPA

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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>
This commit is contained in:
Johan Hedberg
2014-02-23 19:42:20 +02:00
committed by Marcel Holtmann
parent b1e2b3ae97
commit d6bfd59cae
4 changed files with 37 additions and 0 deletions
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27
net/bluetooth/mgmt.c
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@@ -881,12 +881,39 @@ static void service_cache_off(struct work_struct *work)
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