Function otThreadIsTmfOriginFilterEnabled 

pub unsafe extern "C" fn otThreadIsTmfOriginFilterEnabled(
    aInstance: *mut otInstance,
) -> bool

Indicates whether the filter that drops TMF UDP messages from untrusted origin is enabled or not.

This is intended for testing only and available when OPENTHREAD_CONFIG_REFERENCE_DEVICE_ENABLE config is enabled.

@retval TRUE The filter is enabled. @retval FALSE The filter is not enabled.