enetc_rd_reg_hot
int pi = enetc_rd_reg_hot(tx_ring->tcir) & ENETC_TBCIR_IDX_MASK;
lo = enetc_rd_reg_hot(hw->reg + ENETC_SICTR0);
hi = enetc_rd_reg_hot(hw->reg + ENETC_SICTR1);
#define enetc_rd_hot(hw, off) enetc_rd_reg_hot((hw)->reg + (off))