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Bluetooth: Add debugfs entry for RPA regeneration timeout

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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: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-02-23 19:42:26 +02:00 committed by Marcel Holtmann
parent 8f71c6c315
commit c982b2ea29
1 changed files with 33 additions and 0 deletions
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33
net/bluetooth/hci_core.c
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@ -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