diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/ic/dwqe.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/sys/dev/ic/dwqe.c b/sys/dev/ic/dwqe.c index f853fcc109f..e515fd03374 100644 --- a/sys/dev/ic/dwqe.c +++ b/sys/dev/ic/dwqe.c @@ -1,4 +1,4 @@ -/* $OpenBSD: dwqe.c,v 1.15 2023/11/10 15:51:20 bluhm Exp $ */ +/* $OpenBSD: dwqe.c,v 1.16 2023/12/28 14:30:28 uwe Exp $ */ /* * Copyright (c) 2008, 2019 Mark Kettenis <kettenis@openbsd.org> * Copyright (c) 2017, 2022 Patrick Wildt <patrick@blueri.se> @@ -338,11 +338,18 @@ dwqe_start(struct ifqueue *ifq) #endif } - if (sc->sc_tx_prod != idx) { + if (used > 0) { sc->sc_tx_prod = idx; /* Set a timeout in case the chip goes out to lunch. */ ifp->if_timer = 5; + + /* + * Start the transmit process after the last in-use Tx + * descriptor's OWN bit has been updated. + */ + dwqe_write(sc, GMAC_CHAN_TX_END_ADDR(0), DWQE_DMA_DVA(sc->sc_txring) + + idx * sizeof(struct dwqe_desc)); } } @@ -1055,9 +1062,6 @@ dwqe_encap(struct dwqe_softc *sc, struct mbuf *m, int *idx, int *used) bus_dmamap_sync(sc->sc_dmat, DWQE_DMA_MAP(sc->sc_txring), *idx * sizeof(*txd), sizeof(*txd), BUS_DMASYNC_PREWRITE); - dwqe_write(sc, GMAC_CHAN_TX_END_ADDR(0), DWQE_DMA_DVA(sc->sc_txring) + - frag * sizeof(*txd)); - KASSERT(sc->sc_txbuf[cur].tb_m == NULL); sc->sc_txbuf[*idx].tb_map = sc->sc_txbuf[cur].tb_map; sc->sc_txbuf[cur].tb_map = map; |