| From | Kamal Mostafa <> | Subject | [PATCH 071/105] 8139cp: reset BQL when ring tx ring cleared | Date | Fri, 28 Jun 2013 11:51:33 -0700 |
| |
3.8.13.4 -stable review patch. If anyone has any objections, please let me know.
------------------
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: Kamal Mostafa <kamal@canonical.com> --- drivers/net/ethernet/realtek/8139cp.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index 5ac9332..f945393 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); -- 1.8.1.2
|