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Commit 98962baa authored by stephen hemminger's avatar stephen hemminger Committed by David S. Miller
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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: default avatarStephen Hemminger <stephen@networkplumber.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4d12997a

drivers/net/ethernet/realtek/8139cp.c

+1 −0
Original line number Diff line number Diff line
@@ -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);