'Get link status information'

def get_link_status(self):

    if (self.param_type == INTERFACE_FULL_NAME):
        self.init_interface_data(self.interface)
        self.get_interface_info()
        if is_ethernet_port(self.interface):
            self.get_port_info(self.interface)
    elif (self.param_type == INTERFACE_TYPE):
        self.get_all_interface_info(self.interface)
    else:
        self.get_all_interface_info()
