diff options
| -rw-r--r-- | sys/dev/ath/if_ath_tx_edma.c | 22 | ||||
| -rw-r--r-- | sys/dev/ath/if_athvar.h | 1 |
2 files changed, 20 insertions, 3 deletions
diff --git a/sys/dev/ath/if_ath_tx_edma.c b/sys/dev/ath/if_ath_tx_edma.c index c5db404..c4dc384 100644 --- a/sys/dev/ath/if_ath_tx_edma.c +++ b/sys/dev/ath/if_ath_tx_edma.c @@ -119,17 +119,33 @@ __FBSDID("$FreeBSD$"); /* * some general macros - */ + */ #define INCR(_l, _sz) (_l) ++; (_l) &= ((_sz) - 1) #define DECR(_l, _sz) (_l) --; (_l) &= ((_sz) - 1) +/* + * XXX doesn't belong here, and should be tunable + */ +#define ATH_TXSTATUS_RING_SIZE 512 + MALLOC_DECLARE(M_ATHDEV); static int ath_edma_dma_txsetup(struct ath_softc *sc) { + int error; + + error = ath_descdma_alloc_desc(sc, &sc->sc_txsdma, + NULL, "txcomp", sc->sc_tx_statuslen, ATH_TXSTATUS_RING_SIZE); + if (error != 0) + return (error); + + ath_hal_setuptxstatusring(sc->sc_ah, + (void *) sc->sc_txsdma.dd_desc, + sc->sc_txsdma.dd_desc_paddr, + ATH_TXSTATUS_RING_SIZE); + - /* XXX placeholder */ return (0); } @@ -137,7 +153,7 @@ static int ath_edma_dma_txteardown(struct ath_softc *sc) { - /* XXX placeholder */ + ath_descdma_cleanup(sc, &sc->sc_txsdma, NULL); return (0); } diff --git a/sys/dev/ath/if_athvar.h b/sys/dev/ath/if_athvar.h index c5fb3be..932ce34 100644 --- a/sys/dev/ath/if_athvar.h +++ b/sys/dev/ath/if_athvar.h @@ -557,6 +557,7 @@ struct ath_softc { int sc_txbuf_cnt; /* how many buffers avail */ struct ath_descdma sc_txdma_mgmt; /* mgmt TX descriptors */ ath_bufhead sc_txbuf_mgmt; /* mgmt transmit buffer */ + struct ath_descdma sc_txsdma; /* EDMA TX status desc's */ struct mtx sc_txbuflock; /* txbuf lock */ char sc_txname[12]; /* e.g. "ath0_buf" */ u_int sc_txqsetup; /* h/w queues setup */ |
