WX_MAC_RX_FLOW_CTRL_RFE
WX_MAC_RX_FLOW_CTRL_RFE, WX_MAC_RX_FLOW_CTRL_RFE);
mflcn_reg &= ~WX_MAC_RX_FLOW_CTRL_RFE;
mflcn_reg |= WX_MAC_RX_FLOW_CTRL_RFE;