Commit c982b2ea authored by Johan Hedberg's avatar Johan Hedberg Committed by Marcel Holtmann
Browse files

Bluetooth: Add debugfs entry for RPA regeneration timeout 



This patch adds a rpa_timeout debugfs entry which can be used to set the
RPA regeneration timeout to something else than the default 15 minutes.

Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 8f71c6c3

net/bluetooth/hci_core.c

+33 −0
Original line number Diff line number Diff line
@@ -492,6 +492,37 @@ static int idle_timeout_get(void *data, u64 *val) 
DEFINE_SIMPLE_ATTRIBUTE(idle_timeout_fops, idle_timeout_get,

			idle_timeout_set, "%llu\n");



static int rpa_timeout_set(void *data, u64 val)

{

	struct hci_dev *hdev = data;



	/* Require the RPA timeout to be at least 30 seconds and at most

	 * 24 hours.

	 */

	if (val < 30 || val > (60 * 60 * 24))

		return -EINVAL;



	hci_dev_lock(hdev);

	hdev->rpa_timeout = val;

	hci_dev_unlock(hdev);



	return 0;

}



static int rpa_timeout_get(void *data, u64 *val)

{

	struct hci_dev *hdev = data;



	hci_dev_lock(hdev);

	*val = hdev->rpa_timeout;

	hci_dev_unlock(hdev);



	return 0;

}



DEFINE_SIMPLE_ATTRIBUTE(rpa_timeout_fops, rpa_timeout_get,

			rpa_timeout_set, "%llu\n");



static int sniff_min_interval_set(void *data, u64 val)

{

	struct hci_dev *hdev = data;
@@ -1612,6 +1643,8 @@ static int __hci_init(struct hci_dev *hdev) 
				    hdev, &random_address_fops);

		debugfs_create_file("static_address", 0444, hdev->debugfs,

				    hdev, &static_address_fops);

		debugfs_create_file("rpa_timeout", 0644, hdev->debugfs,

				    hdev, &rpa_timeout_fops);



		/* For controllers with a public address, provide a debug

		 * option to force the usage of the configured static

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