diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/pci/if_tht.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/sys/dev/pci/if_tht.c b/sys/dev/pci/if_tht.c index 949ece19154..52dcc2d3946 100644 --- a/sys/dev/pci/if_tht.c +++ b/sys/dev/pci/if_tht.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_tht.c,v 1.51 2007/04/22 09:25:14 dlg Exp $ */ +/* $OpenBSD: if_tht.c,v 1.52 2007/04/22 13:14:11 dlg Exp $ */ /* * Copyright (c) 2007 David Gwynne <dlg@openbsd.org> @@ -486,6 +486,7 @@ void tht_watchdog(struct ifnet *); void tht_start(struct ifnet *); int tht_load_pkt(struct tht_softc *, struct tht_pkt *, struct mbuf *); +void tht_txf(struct tht_softc *sc); void tht_rxf_fill(struct tht_softc *, int); void tht_rxf_drain(struct tht_softc *); @@ -980,6 +981,40 @@ tht_load_pkt(struct tht_softc *sc, struct tht_pkt *pkt, struct mbuf *m) } void +tht_txf(struct tht_softc *sc) +{ + bus_dma_tag_t dmat = sc->sc_thtc->sc_dmat; + bus_dmamap_t dmap; + struct tht_tx_free txf; + struct tht_pkt *pkt; + int ready; + + ready = sc->sc_txf.tf_len - tht_fifo_ready(sc, &sc->sc_txf); + if (ready == 0) + return; + + tht_fifo_pre(sc, &sc->sc_txf); + + for (;;) { + tht_fifo_read(sc, &sc->sc_txf, &txf, sizeof(txf)); + ready -= sizeof(txf); + + pkt = &sc->sc_tx_list.tpl_pkts[txf.uid]; + dmap = pkt->tp_dmap; + + bus_dmamap_sync(dmat, dmap, 0, dmap->dm_mapsize, + BUS_DMASYNC_POSTWRITE); + bus_dmamap_unload(dmat, dmap); + + m_freem(pkt->tp_m); + + tht_pkt_put(&sc->sc_rx_list, pkt); + } while (ready > 0); + + tht_fifo_post(sc, &sc->sc_txf); +} + +void tht_rxf_fill(struct tht_softc *sc, int wait) { bus_dma_tag_t dmat = sc->sc_thtc->sc_dmat; |