Bluetooth: Expose Secure Simple Pairing debug mode setting in debugfs
The value of the ssp_debug_mode should be accessible via debugfs to be
able to determine if a BR/EDR controller generates debugs keys or not.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
index ead89a5..51a424c 100644
--- a/net/bluetooth/hci_debugfs.c
+++ b/net/bluetooth/hci_debugfs.c
@@ -354,6 +354,24 @@
DEFINE_SIMPLE_ATTRIBUTE(voice_setting_fops, voice_setting_get,
NULL, "0x%4.4llx\n");
+static ssize_t ssp_debug_mode_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct hci_dev *hdev = file->private_data;
+ char buf[3];
+
+ buf[0] = hdev->ssp_debug_mode ? 'Y': 'N';
+ buf[1] = '\n';
+ buf[2] = '\0';
+ return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
+}
+
+static const struct file_operations ssp_debug_mode_fops = {
+ .open = simple_open,
+ .read = ssp_debug_mode_read,
+ .llseek = default_llseek,
+};
+
static int auto_accept_delay_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
@@ -474,9 +492,12 @@
debugfs_create_file("voice_setting", 0444, hdev->debugfs, hdev,
&voice_setting_fops);
- if (lmp_ssp_capable(hdev))
+ if (lmp_ssp_capable(hdev)) {
+ debugfs_create_file("ssp_debug_mode", 0444, hdev->debugfs,
+ hdev, &ssp_debug_mode_fops);
debugfs_create_file("auto_accept_delay", 0644, hdev->debugfs,
hdev, &auto_accept_delay_fops);
+ }
if (lmp_sniff_capable(hdev)) {
debugfs_create_file("idle_timeout", 0644, hdev->debugfs,
