ccmni->shared_mem->rx_control.read_out, ccmni->shared_mem->rx_control.avai_out, ccmni->shared_mem->rx_control.avai_in);netif_stop_queue(ccmni->dev);//Set CCMNI ready to ZERO, and wait for the ACK from modem side.ccmni->ready =0; ret = NETDEV_TX_BUSY;goto_ccmni_start_xmi...