diff options
Diffstat (limited to 'net/bluetooth/hci_debugfs.c')
-rw-r--r-- | net/bluetooth/hci_debugfs.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c index 5e8af2658e44..4626e0289a97 100644 --- a/net/bluetooth/hci_debugfs.c +++ b/net/bluetooth/hci_debugfs.c @@ -494,6 +494,45 @@ 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 ssize_t force_bredr_smp_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] = hci_dev_test_flag(hdev, HCI_FORCE_BREDR_SMP) ? 'Y' : 'N'; + buf[1] = '\n'; + buf[2] = '\0'; + return simple_read_from_buffer(user_buf, count, ppos, buf, 2); +} + +static ssize_t force_bredr_smp_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct hci_dev *hdev = file->private_data; + bool enable; + int err; + + err = kstrtobool_from_user(user_buf, count, &enable); + if (err) + return err; + + err = smp_force_bredr(hdev, enable); + if (err) + return err; + + return count; +} + +static const struct file_operations force_bredr_smp_fops = { + .open = simple_open, + .read = force_bredr_smp_read, + .write = force_bredr_smp_write, + .llseek = default_llseek, +}; + static int idle_timeout_set(void *data, u64 val) { struct hci_dev *hdev = data; @@ -589,6 +628,17 @@ void hci_debugfs_create_bredr(struct hci_dev *hdev) debugfs_create_file("voice_setting", 0444, hdev->debugfs, hdev, &voice_setting_fops); + /* If the controller does not support BR/EDR Secure Connections + * feature, then the BR/EDR SMP channel shall not be present. + * + * To test this with Bluetooth 4.0 controllers, create a debugfs + * switch that allows forcing BR/EDR SMP support and accepting + * cross-transport pairing on non-AES encrypted connections. + */ + if (!lmp_sc_capable(hdev)) + debugfs_create_file("force_bredr_smp", 0644, hdev->debugfs, + hdev, &force_bredr_smp_fops); + if (lmp_ssp_capable(hdev)) { debugfs_create_file("ssp_debug_mode", 0444, hdev->debugfs, hdev, &ssp_debug_mode_fops); |