KSE_CDRXADDR
for (i = 0, paddr = KSE_CDRXADDR(sc, 1); i < KSE_NRXDESC - 1; i++) {
sc->sc_rxdescs[KSE_NRXDESC - 1].r3 = KSE_CDRXADDR(sc, 0);
CSR_WRITE_4(sc, RDLB, KSE_CDRXADDR(sc, 0));