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authorstephen hemminger <stephen@networkplumber.org>2013-05-20 06:54:43 +0000
committerDavid S. Miller <davem@davemloft.net>2013-05-20 14:02:35 -0700
commit98962baad72fd6d393bf39dbb7c2076532c363c6 (patch)
tree461cfc5263a1c5f201e2785bdee4261ac658c9f7
parent4d12997a9bb3d217ad4b925ec3074ec89364bf95 (diff)
downloadop-kernel-dev-98962baad72fd6d393bf39dbb7c2076532c363c6.zip
op-kernel-dev-98962baad72fd6d393bf39dbb7c2076532c363c6.tar.gz
8139cp: reset BQL when ring tx ring cleared
This patch cures transmit timeout's with DHCP observed while running under KVM. When the transmit ring is cleaned out, the Byte Queue Limit values need to be reset. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/realtek/8139cp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index 7d1fb9a..0352345 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -1136,6 +1136,7 @@ static void cp_clean_rings (struct cp_private *cp)
cp->dev->stats.tx_dropped++;
}
}
+ netdev_reset_queue(cp->dev);
memset(cp->rx_ring, 0, sizeof(struct cp_desc) * CP_RX_RING_SIZE);
memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE);
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