From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
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@xxxxxxxxx>
---
net/bluetooth/hci_core.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 7bc67b4e47a7..629919be071c 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -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
--
1.8.5.3
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