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Commit 4efbb2ce authored by Marcel Holtmann's avatar Marcel Holtmann Committed by Johan Hedberg
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Bluetooth: Add support for enabling Extended Scanner Filter Policies 



The new Extended Scanner Filter Policies feature has to be enabled by
selecting the correct filter policy for the scan parameters. This
patch does that when the controller has been enabled to use LE Privacy.

Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent 2f010b55

net/bluetooth/hci_core.c

+13 −0
Original line number Diff line number Diff line
@@ -5625,6 +5625,19 @@ void hci_req_add_le_passive_scan(struct hci_request *req) 
	 */

	filter_policy = update_white_list(req);



	/* When the controller is using random resolvable addresses and

	 * with that having LE privacy enabled, then controllers with

	 * Extended Scanner Filter Policies support can now enable support

	 * for handling directed advertising.

	 *

	 * So instead of using filter polices 0x00 (no whitelist)

	 * and 0x01 (whitelist enabled) use the new filter policies

	 * 0x02 (no whitelist) and 0x03 (whitelist enabled).

	 */

	if (test_bit(HCI_PRIVACY, &hdev->dev_flags) &&

	    (hdev->le_features[0] & HCI_LE_EXT_SCAN_POLICY))

		filter_policy |= 0x02;



	memset(&param_cp, 0, sizeof(param_cp));

	param_cp.type = LE_SCAN_PASSIVE;

	param_cp.interval = cpu_to_le16(hdev->le_scan_interval);