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-rw-r--r--sys/pci/if_dc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/pci/if_dc.c b/sys/pci/if_dc.c
index 0d22729..d887464 100644
--- a/sys/pci/if_dc.c
+++ b/sys/pci/if_dc.c
@@ -3057,6 +3057,11 @@ static void dc_init(xsc)
CSR_WRITE_4(sc, DC_BUSCTL, 0);
else
CSR_WRITE_4(sc, DC_BUSCTL, DC_BUSCTL_MRME|DC_BUSCTL_MRLE);
+ /*
+ * Evenly share the bus between receive and transmit process.
+ */
+ if (DC_IS_INTEL(sc))
+ DC_SETBIT(sc, DC_BUSCTL, DC_BUSCTL_ARBITRATION);
if (DC_IS_DAVICOM(sc) || DC_IS_INTEL(sc)) {
DC_SETBIT(sc, DC_BUSCTL, DC_BURSTLEN_USECA);
} else {
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