This is a note to let you know that I've just added the patch titled
8139cp: reset BQL when ring tx ring cleared
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
8139cp-reset-bql-when-ring-tx-ring-cleared.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From a6e170057815e3ed86d68ca9229facd30031f930 Mon Sep 17 00:00:00 2001
From: stephen hemminger <stephen@xxxxxxxxxxxxxxxxxx>
Date: Mon, 20 May 2013 06:54:43 +0000
Subject: 8139cp: reset BQL when ring tx ring cleared
From: stephen hemminger <stephen@xxxxxxxxxxxxxxxxxx>
[ 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@xxxxxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/realtek/8139cp.c | 1 +
1 file changed, 1 insertion(+)
--- 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_pr
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);
Patches currently in stable-queue which might be from stephen@xxxxxxxxxxxxxxxxxx are
queue-3.4/8139cp-reset-bql-when-ring-tx-ring-cleared.patch
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