Function _function_disable

components/legacy/usb/usbdevice/class/rndis.c:1001–1038

* This function will stop cdc class, it will be called on handle set configuration request. * * @param device the usb device object. * * @return RT_EOK on successful. */

 * @return RT_EOK on successful.
 */
static rt_err_t _function_disable(ufunction_t func)
{
    LOG_I("plugged out");

#ifdef  RNDIS_DELAY_LINK_UP
    /* stop link up timer. */
    rt_timer_stop(&((rt_rndis_eth_t)func->user_data)->timer);
#endif /* RNDIS_DELAY_LINK_UP */

    /* clean resp chain list. */
    {
        struct rt_rndis_response * response;
        rt_base_t level = rt_hw_interrupt_disable();

        while(!rt_list_isempty(&((rt_rndis_eth_t)func->user_data)->response_list))
        {
            response = (struct rt_rndis_response *)((rt_rndis_eth_t)func->user_data)->response_list.next;
            LOG_D("remove resp chain list!");

            rt_list_remove(&response->list);
            rt_free((void *)response->buffer);
            rt_free(response);
        }

        ((rt_rndis_eth_t)func->user_data)->need_notify = RT_TRUE;
        rt_hw_interrupt_enable(level);
    }


    /* link down. */
    eth_device_linkchange(&((rt_rndis_eth_t)func->user_data)->parent, RT_FALSE);

    /* reset eth rx tx */
    ((rt_rndis_eth_t)func->user_data)->rx_frist = RT_TRUE;
    ((rt_rndis_eth_t)func->user_data)->rx_flag = RT_FALSE;

    return RT_EOK;
}


static struct ufunction_ops ops =