8139cp: reset BQL when ring tx ring cleared
authorstephen hemminger <stephen@networkplumber.org>
Mon, 20 May 2013 06:54:43 +0000 (06:54 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 27 Jun 2013 17:38:48 +0000 (10:38 -0700)
commit6921ecb3fb34ea14a4b82d0f9d8853ceee8f1201
tree5d1b77c8e9ff15efe31f58e1cdb26176491d50f0
parentb22e5134f8920a630c64d8a97f3c92208616f6ef
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>
drivers/net/ethernet/realtek/8139cp.c