FCT_TX_CTL_EN_
FCT_TX_CTL_EN_(tx->channel_number),
FCT_TX_CTL_EN_(tx->channel_number));
ret = lan78xx_start_hw(dev, FCT_TX_CTL, FCT_TX_CTL_EN_);
ret = lan78xx_stop_hw(dev, FCT_TX_CTL, FCT_TX_CTL_EN_, FCT_TX_CTL_DIS_);