summaryrefslogtreecommitdiff
path: root/sys/dev/ffec
diff options
context:
space:
mode:
authorIan Lepore <ian@FreeBSD.org>2014-11-24 16:12:11 +0000
committerIan Lepore <ian@FreeBSD.org>2014-11-24 16:12:11 +0000
commite56e554106b288513f93d06e1f650c2e5979c6e4 (patch)
tree4df30dc4da2b37f6208cabf8e228a516b6cb4af9 /sys/dev/ffec
parent894d1973f1fd537772cdbcf212f59e59e7404b99 (diff)
Notes
Diffstat (limited to 'sys/dev/ffec')
-rw-r--r--sys/dev/ffec/if_ffec.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/dev/ffec/if_ffec.c b/sys/dev/ffec/if_ffec.c
index b8230164367d..e7749a1f0b54 100644
--- a/sys/dev/ffec/if_ffec.c
+++ b/sys/dev/ffec/if_ffec.c
@@ -652,7 +652,9 @@ ffec_txstart_locked(struct ffec_softc *sc)
}
if (enqueued != 0) {
+ bus_dmamap_sync(sc->txdesc_tag, sc->txdesc_map, BUS_DMASYNC_PREWRITE);
WR4(sc, FEC_TDAR_REG, FEC_TDAR_TDAR);
+ bus_dmamap_sync(sc->txdesc_tag, sc->txdesc_map, BUS_DMASYNC_POSTWRITE);
sc->tx_watchdog_count = WATCHDOG_TIMEOUT_SECS;
}
}
@@ -677,6 +679,9 @@ ffec_txfinish_locked(struct ffec_softc *sc)
FFEC_ASSERT_LOCKED(sc);
+ /* XXX Can't set PRE|POST right now, but we need both. */
+ bus_dmamap_sync(sc->txdesc_tag, sc->txdesc_map, BUS_DMASYNC_PREREAD);
+ bus_dmamap_sync(sc->txdesc_tag, sc->txdesc_map, BUS_DMASYNC_POSTREAD);
ifp = sc->ifp;
retired_buffer = false;
while (sc->tx_idx_tail != sc->tx_idx_head) {
@@ -841,6 +846,9 @@ ffec_rxfinish_locked(struct ffec_softc *sc)
FFEC_ASSERT_LOCKED(sc);
+ /* XXX Can't set PRE|POST right now, but we need both. */
+ bus_dmamap_sync(sc->rxdesc_tag, sc->rxdesc_map, BUS_DMASYNC_PREREAD);
+ bus_dmamap_sync(sc->rxdesc_tag, sc->rxdesc_map, BUS_DMASYNC_POSTREAD);
produced_empty_buffer = false;
for (;;) {
desc = &sc->rxdesc_ring[sc->rx_idx];
@@ -888,7 +896,9 @@ ffec_rxfinish_locked(struct ffec_softc *sc)
}
if (produced_empty_buffer) {
+ bus_dmamap_sync(sc->rxdesc_tag, sc->txdesc_map, BUS_DMASYNC_PREWRITE);
WR4(sc, FEC_RDAR_REG, FEC_RDAR_RDAR);
+ bus_dmamap_sync(sc->rxdesc_tag, sc->txdesc_map, BUS_DMASYNC_POSTWRITE);
}
}