Commit bda157a4 authored by Marcel Holtmann's avatar Marcel Holtmann Committed by Johan Hedberg
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Bluetooth: Filter device found events based on RSSI threshold 



Using Start Service Discovery allows to provide a RSSI threshold. This
patch implements support for filtering out device found events based
on the provided value.

Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent 37eab042

net/bluetooth/mgmt.c

+9 −0
Original line number Diff line number Diff line
@@ -6821,6 +6821,15 @@ void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, 
			return;

	}



	/* When using service discovery with a RSSI threshold, then check

	 * if such a RSSI threshold is specified. If a RSSI threshold has

	 * been specified, then all results with a RSSI smaller than the

	 * RSSI threshold will be dropped.

	 */

	if (hdev->discovery.rssi != HCI_RSSI_INVALID &&

	    rssi < hdev->discovery.rssi)

		return;



	/* Make sure that the buffer is big enough. The 5 extra bytes

	 * are for the potential CoD field.

	 */