RX_MFF_CTRL1
skge_write16(hw, SK_REG(port, RX_MFF_CTRL1), MFF_ENA_TIM_PAT);
skge_write16(hw, SK_REG(port, RX_MFF_CTRL1), MFF_ENA_FLUSH);
skge_write16(hw, SK_REG(port, RX_MFF_CTRL1), MFF_ENA_PAUSE);
skge_write16(hw, SK_REG(port, RX_MFF_CTRL1), MFF_DIS_PAUSE);
skge_write16(hw, RX_MFF_CTRL1, MFF_CLR_INSTAT);