txp_rx_desc
struct txp_rx_desc *rxd;
rxd = r->r_desc + (roff / sizeof(struct txp_rx_desc));
roff += sizeof(struct txp_rx_desc);
if (roff == (RX_ENTRIES * sizeof(struct txp_rx_desc))) {
boot->br_rxhipri_siz = RX_ENTRIES * sizeof(struct txp_rx_desc);
sc->sc_rxhir.r_desc = (struct txp_rx_desc *)&ld->txp_rxhiring;
boot->br_rxlopri_siz = RX_ENTRIES * sizeof(struct txp_rx_desc);
sc->sc_rxlor.r_desc = (struct txp_rx_desc *)&ld->txp_rxloring;
struct txp_rx_desc *r_desc; /* base address of descs */
struct txp_rx_desc txp_rxhiring[RX_ENTRIES];
struct txp_rx_desc txp_rxloring[RX_ENTRIES];