CPSW_NTXDESCS
for (i = 0; i < CPSW_NTXDESCS; i++) {
bus_dmamap_t tx_dm[CPSW_NTXDESCS];
KASSERT(sc->sc_txhead < CPSW_NTXDESCS);
struct mbuf *tx_mb[CPSW_NTXDESCS];
return (((x) + y) & (CPSW_NTXDESCS - 1));
KASSERT(x < CPSW_NTXDESCS);
for (i = 0; i < CPSW_NTXDESCS; i++) {
ifq_init_maxlen(&ifp->if_snd, CPSW_NTXDESCS - 1);
txfree = CPSW_NTXDESCS - 1 + sc->sc_txhead - sc->sc_txnext;