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authorstephen hemminger <stephen@networkplumber.org>2013-05-20 06:54:43 +0000
committerXavier Boudet <x-boudet@ti.com>2013-07-02 08:28:42 +0200
commit4b9e030c5972611cdcb484c39187b80647a789dc (patch)
treef9eb89db9126986edaea256902fccbce68e2289a
parent06c8a364bb01585facf17531e33ae1cc37a04f65 (diff)
8139cp: reset BQL when ring tx ring cleared
[ Upstream commit 98962baad72fd6d393bf39dbb7c2076532c363c6 ] 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-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 b3287c0fe279..4ce981c2357e 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -1097,6 +1097,7 @@ 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);