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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: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2015-01-31 15:12:06 -08:00 committed by Johan Hedberg
parent c50b33c80e
commit 0886aea6ac
1 changed files with 22 additions and 0 deletions
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22
net/bluetooth/hci_debugfs.c
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@ -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);