[git patch] net driver fix

From: Jeff Garzik
Date: Fri Oct 05 2007 - 14:21:17 EST



Fix a rather large performance regression.

Please pull from 'upstream-linus' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6.git upstream-linus

to receive the following updates:

drivers/net/r8169.c | 16 +++++++++++++---
1 files changed, 13 insertions(+), 3 deletions(-)

Francois Romieu (1):
r8169: revert part of 6dccd16b7c2703e8bbf8bca62b5cf248332afbe2

diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index c921ec3..c76dd29 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -1918,7 +1918,11 @@ static void rtl_hw_start_8169(struct net_device *dev)

rtl_set_rx_max_size(ioaddr);

- rtl_set_rx_tx_config_registers(tp);
+ if ((tp->mac_version == RTL_GIGA_MAC_VER_01) ||
+ (tp->mac_version == RTL_GIGA_MAC_VER_02) ||
+ (tp->mac_version == RTL_GIGA_MAC_VER_03) ||
+ (tp->mac_version == RTL_GIGA_MAC_VER_04))
+ rtl_set_rx_tx_config_registers(tp);

tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;

@@ -1941,6 +1945,14 @@ static void rtl_hw_start_8169(struct net_device *dev)

rtl_set_rx_tx_desc_registers(tp, ioaddr);

+ if ((tp->mac_version != RTL_GIGA_MAC_VER_01) &&
+ (tp->mac_version != RTL_GIGA_MAC_VER_02) &&
+ (tp->mac_version != RTL_GIGA_MAC_VER_03) &&
+ (tp->mac_version != RTL_GIGA_MAC_VER_04)) {
+ RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
+ rtl_set_rx_tx_config_registers(tp);
+ }
+
RTL_W8(Cfg9346, Cfg9346_Lock);

/* Initially a 10 us delay. Turned it into a PCI commit. - FR */
@@ -1955,8 +1967,6 @@ static void rtl_hw_start_8169(struct net_device *dev)

/* Enable all known interrupts by setting the interrupt mask. */
RTL_W16(IntrMask, tp->intr_event);
-
- RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
}

static void rtl_hw_start_8168(struct net_device *dev)
-
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