[PATCH v2 17/17] Bluetooth: Update background scan parameters

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



If new scanning parameters are set while background scan is running,
we should restart background scanning so these parameters are updated.

Signed-off-by: Andre Guedes <andre.guedes@xxxxxxxxxxxxx>
---
 net/bluetooth/mgmt.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 2e6564e..4c4912e 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -3924,6 +3924,21 @@ static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
 
 	err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0);
 
+	/* If background scan is running, restart it so new parameters are
+	 * loaded.
+	 */
+	if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
+	    hdev->discovery.state == DISCOVERY_STOPPED) {
+		struct hci_request req;
+
+		hci_req_init(&req, hdev);
+
+		hci_req_add_le_scan_disable(&req);
+		hci_req_add_le_passive_scan(&req);
+
+		hci_req_run(&req, NULL);
+	}
+
 	hci_dev_unlock(hdev);
 
 	return err;
-- 
1.8.5.4

--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Bluez Devel]     [Linux Wireless Networking]     [Linux Wireless Personal Area Networking]     [Linux ATH6KL]     [Linux USB Devel]     [Linux Media Drivers]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Big List of Linux Books]

  Powered by Linux