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-rw-r--r--sys/dev/bge/if_bge.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/dev/bge/if_bge.c b/sys/dev/bge/if_bge.c
index 9a27d31..8687d16 100644
--- a/sys/dev/bge/if_bge.c
+++ b/sys/dev/bge/if_bge.c
@@ -3826,6 +3826,9 @@ bge_start_locked(struct ifnet *ifp)
/* No packets were dequeued. */
return;
+ bus_dmamap_sync(sc->bge_cdata.bge_tx_ring_tag,
+ sc->bge_cdata.bge_tx_ring_map,
+ BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
/* Transmit. */
bge_writembx(sc, BGE_MBX_TX_HOST_PROD0_LO, prodidx);
/* 5700 b2 errata */
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