BCMETH_RINGSIZE
size_t desc_count = BCMETH_RINGSIZE / sizeof(rxq->rxq_first[0]);
error = bcmeth_dmamem_alloc(sc->sc_dmat, BCMETH_RINGSIZE,
memset(descs, 0, BCMETH_RINGSIZE);
size_t desc_count = BCMETH_RINGSIZE / sizeof(txq->txq_first[0]);
error = bcmeth_dmamem_alloc(sc->sc_dmat, BCMETH_RINGSIZE,
memset(descs, 0, BCMETH_RINGSIZE);