ENETC_SICBDRLENR
enetc_wr(hw, ENETC_SICBDRLENR, ENETC_RTBLENR_LEN(cbdr->bd_count));
regs.lenr = hw->reg + ENETC_SICBDRLENR;
ENETC_SICBDRCIR, ENETC_SICBDRLENR, ENETC_SICAPR0, ENETC_SICAPR1,