Only reading the parameters is supported for now.
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@xxxxxxxxxxxxx>
---
net/bluetooth/hci_sysfs.c | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 55cceee..a9554ec 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -532,6 +532,36 @@ static int auto_accept_delay_get(void *data, u64 *val)
DEFINE_SIMPLE_ATTRIBUTE(auto_accept_delay_fops, auto_accept_delay_get,
auto_accept_delay_set, "%llu\n");
+
+static int le_conn_parameters_show(struct seq_file *f, void *p)
+{
+ struct hci_dev *hdev = f->private;
+ struct le_conn_params *params = &hdev->le_conn_params;
+
+ hci_dev_lock(hdev);
+
+ seq_printf(f, "0x%.4x 0x%.4x 0x%.4x 0x%.4x 0x%.4x\n",
+ params->scan_interval, params->scan_window,
+ params->conn_interval_min, params->conn_interval_max,
+ params->supervision_timeout);
+
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int le_conn_parameters_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, le_conn_parameters_show, inode->i_private);
+}
+
+static const struct file_operations le_conn_parameters_fops = {
+ .open = le_conn_parameters_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
void hci_init_sysfs(struct hci_dev *hdev)
{
struct device *dev = &hdev->dev;
@@ -573,6 +603,10 @@ int hci_add_sysfs(struct hci_dev *hdev)
debugfs_create_file("auto_accept_delay", 0444, hdev->debugfs, hdev,
&auto_accept_delay_fops);
+
+ debugfs_create_file("le_conn_parameters", 0644, hdev->debugfs, hdev,
+ &le_conn_parameters_fops);
+
return 0;
}
--
1.7.12.4
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