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Commit 0886aea6 authored by Marcel Holtmann's avatar Marcel Holtmann Committed by Johan Hedberg
Browse files

Bluetooth: Expose debug keys usage setting via debugfs 



To allow easier debugging when debug keys are generated, provide debugfs
entry for checking the setting of debug keys usage.

Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent c50b33c8

net/bluetooth/hci_debugfs.c

+22 −0
Original line number Diff line number Diff line
@@ -212,6 +212,24 @@ static int conn_info_max_age_get(void *data, u64 *val) 
DEFINE_SIMPLE_ATTRIBUTE(conn_info_max_age_fops, conn_info_max_age_get,

			conn_info_max_age_set, "%llu\n");



static ssize_t use_debug_keys_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] = test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags) ? 'Y': 'N';

	buf[1] = '\n';

	buf[2] = '\0';

	return simple_read_from_buffer(user_buf, count, ppos, buf, 2);

}



static const struct file_operations use_debug_keys_fops = {

	.open		= simple_open,

	.read		= use_debug_keys_read,

	.llseek		= default_llseek,

};



static ssize_t sc_only_mode_read(struct file *file, char __user *user_buf,

				 size_t count, loff_t *ppos)

{
@@ -249,6 +267,10 @@ void hci_debugfs_create_common(struct hci_dev *hdev) 
	debugfs_create_file("conn_info_max_age", 0644, hdev->debugfs, hdev,

			    &conn_info_max_age_fops);



	if (lmp_ssp_capable(hdev) || lmp_le_capable(hdev))

		debugfs_create_file("use_debug_keys", 0444, hdev->debugfs,

				    hdev, &use_debug_keys_fops);



	if (lmp_sc_capable(hdev) || lmp_le_capable(hdev))

		debugfs_create_file("sc_only_mode", 0444, hdev->debugfs,

				    hdev, &sc_only_mode_fops);