MTL_Q_RQFCR
MTL_Q_RQFCR, XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQFCR));
XGMAC_MTL_IOWRITE_BITS(pdata, i, MTL_Q_RQFCR, RFA,
XGMAC_MTL_IOWRITE_BITS(pdata, i, MTL_Q_RQFCR, RFD,
XGMAC_MTL_IOREAD(pdata, i, MTL_Q_RQFCR));