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r8169: revert part of 6dccd16b7c

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The 8169/8110SC currently announces itself as:
[...]
eth0: RTL8169sc/8110sc at 0x........, ..:..:..:..:..:.., XID 18000000 IRQ ..
                                                             ^^^^^^^^
It uses RTL_GIGA_MAC_VER_05 and this part of the changeset can cut
its performance by a factor of 2~2.5 as reported by Timo.

(the driver includes code just before the hunk to write the ChipCmd
register when mac_version == RTL_GIGA_MAC_VER_0[1-4])

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Timo Jantunen <jeti@welho.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Francois Romieu 2007-10-04 00:42:50 +02:00 committed by Jeff Garzik
parent af299901ef
commit c946b30472
1 changed files with 13 additions and 3 deletions
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16
drivers/net/r8169.c
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@ -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)