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-rw-r--r--sys/dev/ic/malo.c42
-rw-r--r--sys/dev/ic/malo.h5
2 files changed, 39 insertions, 8 deletions
diff --git a/sys/dev/ic/malo.c b/sys/dev/ic/malo.c
index 13d5ceaf8d8..af4a86ad1f7 100644
--- a/sys/dev/ic/malo.c
+++ b/sys/dev/ic/malo.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: malo.c,v 1.9 2006/10/22 00:18:42 mglocker Exp $ */
+/* $OpenBSD: malo.c,v 1.10 2006/10/24 19:20:01 mglocker Exp $ */
/*
* Copyright (c) 2006 Claudio Jeker <claudio@openbsd.org>
@@ -166,6 +166,7 @@ int malo_alloc_cmd(struct malo_softc *sc);
void malo_free_cmd(struct malo_softc *sc);
int malo_alloc_rx_ring(struct malo_softc *sc, struct malo_rx_ring *ring,
int count);
+void malo_reset_rx_ring(struct malo_softc *sc, struct malo_rx_ring *ring);
void malo_free_rx_ring(struct malo_softc *sc, struct malo_rx_ring *ring);
int malo_alloc_tx_ring(struct malo_softc *sc, struct malo_tx_ring *ring,
int count);
@@ -484,7 +485,7 @@ malo_alloc_rx_ring(struct malo_softc *sc, struct malo_rx_ring *ring, int count)
goto fail;
}
- desc->reserved1 = htole16(1);
+ desc->status = htole16(1);
desc->physdata = htole32(data->map->dm_segs->ds_addr);
desc->physnext = htole32(ring->physaddr +
(i + 1) % count * sizeof(struct malo_rx_desc));
@@ -500,6 +501,20 @@ fail: malo_free_rx_ring(sc, ring);
}
void
+malo_reset_rx_ring(struct malo_softc *sc, struct malo_rx_ring *ring)
+{
+ int i;
+
+ for (i = 0; i < ring->count; i++)
+ ring->desc[i].status = 0;
+
+ bus_dmamap_sync(sc->sc_dmat, ring->map, 0, ring->map->dm_mapsize,
+ BUS_DMASYNC_PREWRITE);
+
+ ring->cur = ring->next = 0;
+}
+
+void
malo_free_rx_ring(struct malo_softc *sc, struct malo_rx_ring *ring)
{
struct malo_rx_data *data;
@@ -868,6 +883,10 @@ malo_get_spec(struct malo_softc *sc)
malo_mem_write4(sc, letoh32(spec->WcbBase0) & 0xffff,
htole32(sc->sc_txring.physaddr));
+ /* save DMA RX pointers for later use */
+ sc->sc_RxPdRdPtr = letoh32(spec->RxPdRdPtr) & 0xffff;
+ sc->sc_RxPdWrPtr = letoh32(spec->RxPdWrPtr) & 0xffff;
+
return (0);
}
@@ -963,6 +982,8 @@ malo_stop(struct malo_softc *sc)
ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
+ malo_reset_rx_ring(sc, &sc->sc_rxring);
+
DPRINTF(("%s: malo_stop\n", ifp->if_xname));
if (sc->sc_disable)
sc->sc_disable(sc);
@@ -1013,9 +1034,13 @@ malo_rx_intr(struct malo_softc *sc)
struct ieee80211_frame *wh;
struct ieee80211_node *ni;
struct mbuf *mnew, *m;
+ uint32_t rxRdPtr, rxWrPtr;
int error, i;
- for (i = 0; i < MALO_RX_RING_COUNT; i++) {
+ rxRdPtr = malo_mem_read4(sc, sc->sc_RxPdRdPtr);
+ rxWrPtr = malo_mem_read4(sc, sc->sc_RxPdWrPtr);
+
+ for (i = 0; i < MALO_RX_RING_COUNT && rxRdPtr != rxWrPtr; i++) {
desc = &sc->sc_rxring.desc[sc->sc_rxring.cur];
data = &sc->sc_rxring.data[sc->sc_rxring.cur];
@@ -1026,10 +1051,10 @@ malo_rx_intr(struct malo_softc *sc)
DPRINTF(("rx intr idx=%d, rxctrl=0x%02x, rssi=%d, "
"status=0x%02x, channel=%d, len=%d, res1=%02x, rate=%d, "
"physdata=0x%04x, physnext=0x%04x, qosctrl=%02x, res2=%d\n",
- i, desc->rxctrl, desc->rssi, desc->status, desc->channel,
- letoh16(desc->len), desc->reserved1, desc->datarate,
- desc->physdata, desc->physnext, desc->qosctrl,
- desc->reserved2));
+ sc->sc_rxring.cur, desc->rxctrl, desc->rssi, desc->status,
+ desc->channel, letoh16(desc->len), desc->reserved1,
+ desc->datarate, desc->physdata, desc->physnext,
+ desc->qosctrl, desc->reserved2));
if ((letoh32(desc->rxctrl) & 0x80) == 0)
break;
@@ -1124,6 +1149,7 @@ malo_rx_intr(struct malo_softc *sc)
skip:
desc->rxctrl = 0;
+ rxRdPtr = desc->physnext;
bus_dmamap_sync(sc->sc_dmat, sc->sc_rxring.map,
sc->sc_rxring.cur * sizeof(struct malo_rx_desc),
@@ -1132,4 +1158,6 @@ skip:
sc->sc_rxring.cur = (sc->sc_rxring.cur + 1) %
MALO_RX_RING_COUNT;
}
+
+ malo_mem_write4(sc, sc->sc_RxPdRdPtr, rxRdPtr);
}
diff --git a/sys/dev/ic/malo.h b/sys/dev/ic/malo.h
index ee8ef343899..5bbea597e3e 100644
--- a/sys/dev/ic/malo.h
+++ b/sys/dev/ic/malo.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: malo.h,v 1.5 2006/10/21 23:16:34 mglocker Exp $ */
+/* $OpenBSD: malo.h,v 1.6 2006/10/24 19:20:01 mglocker Exp $ */
/*
* Copyright (c) 2006 Claudio Jeker <claudio@openbsd.org>
@@ -92,6 +92,9 @@ struct malo_softc {
uint32_t *sc_cookie;
bus_addr_t sc_cookie_dmaaddr;
+ uint32_t sc_RxPdWrPtr;
+ uint32_t sc_RxPdRdPtr;
+
int (*sc_newstate)
(struct ieee80211com *,
enum ieee80211_state, int);