ENETC_RTBLENR_LEN
ENETC_RTBLENR_LEN(tx_ring->bd_count));
ENETC_RTBLENR_LEN(rx_ring->bd_count));
enetc_wr(hw, ENETC_SICBDRLENR, ENETC_RTBLENR_LEN(cbdr->bd_count));