It may be useful for debugging purposes to quickly retrieve supported LE
stated bit mask for controller.
Signed-off-by: Andrzej Kaczmarek <andrzej.kaczmarek@xxxxxxxxxxx>
---
net/bluetooth/hci_debugfs.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
index 51f5b1efc3a5..c0b11ebacf7d 100644
--- a/net/bluetooth/hci_debugfs.c
+++ b/net/bluetooth/hci_debugfs.c
@@ -679,6 +679,29 @@ static const struct file_operations force_static_address_fops = {
.llseek = default_llseek,
};
+static int le_states_show(struct seq_file *f, void *ptr)
+{
+ struct hci_dev *hdev = f->private;
+
+ hci_dev_lock(hdev);
+ seq_printf(f, "LE: %8ph\n", hdev->le_states);
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int le_states_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, le_states_show, inode->i_private);
+}
+
+static const struct file_operations le_states_fops = {
+ .open = le_states_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
static int white_list_show(struct seq_file *f, void *ptr)
{
struct hci_dev *hdev = f->private;
@@ -956,6 +979,8 @@ void hci_debugfs_create_le(struct hci_dev *hdev)
&random_address_fops);
debugfs_create_file("static_address", 0444, hdev->debugfs, hdev,
&static_address_fops);
+ debugfs_create_file("le_states", 0444, hdev->debugfs, hdev,
+ &le_states_fops);
/* For controllers with a public address, provide a debug
* option to force the usage of the configured static
--
2.20.1
