RGE_TX_LIST_SZ
error = bus_dmamap_create(sc->sc_dmat, RGE_TX_LIST_SZ, 1,
RGE_TX_LIST_SZ, 0, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW,
error = bus_dmamem_alloc(sc->sc_dmat, RGE_TX_LIST_SZ, RGE_ALIGN, 0,
q->q_tx.rge_tx_listnseg, RGE_TX_LIST_SZ,
q->q_tx.rge_tx_list, RGE_TX_LIST_SZ, NULL, BUS_DMA_NOWAIT);
(caddr_t)q->q_tx.rge_tx_list, RGE_TX_LIST_SZ);
memset(q->q_tx.rge_tx_list, 0, RGE_TX_LIST_SZ);