I40E_QTX_ENA
reg = ixl_rd(sc, I40E_QTX_ENA(i));
ixl_wr(sc, I40E_QTX_ENA(i), reg);
reg = ixl_rd(sc, I40E_QTX_ENA(i));
ixl_wr(sc, I40E_QTX_ENA(i), reg);
bus_size_t ena = I40E_QTX_ENA(txr->txr_qid);
bus_size_t ena = I40E_QTX_ENA(txr->txr_qid);
ixl_wr(sc, I40E_QTX_ENA(i), 0);