can_rx_offload_add_fifo
err = can_rx_offload_add_fifo(ndev, &priv->offload, BXCAN_NAPI_WEIGHT);
EXPORT_SYMBOL_GPL(can_rx_offload_add_fifo);
err = can_rx_offload_add_fifo(dev, &priv->offload,
int can_rx_offload_add_fifo(struct net_device *dev,