Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [ 11/27] 8139cp: reset BQL when ring tx ring cleared | Date | Tue, 25 Jun 2013 11:35:30 -0700 |
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3.4-stable review patch. If anyone has any objections, please let me know.
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From: stephen hemminger <stephen@networkplumber.org>
[ 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> --- 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);
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