devices/8139too.c
changeset 473 e34754cd973e
parent 472 bd2e0f220289
child 474 9850c3fb3865
--- a/devices/8139too.c	Thu Nov 02 14:20:24 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,2962 +0,0 @@
-/******************************************************************************
- *
- *  $Id$
- *
- *  Copyright (C) 2006  Florian Pose, Ingenieurgemeinschaft IgH
- *
- *  This file is part of the IgH EtherCAT Master.
- *
- *  The IgH EtherCAT Master is free software; you can redistribute it
- *  and/or modify it under the terms of the GNU General Public License
- *  as published by the Free Software Foundation; either version 2 of the
- *  License, or (at your option) any later version.
- *
- *  The IgH EtherCAT Master is distributed in the hope that it will be
- *  useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with the IgH EtherCAT Master; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
- *  The right to use EtherCAT Technology is granted and comes free of
- *  charge under condition of compatibility of product made by
- *  Licensee. People intending to distribute/sell products based on the
- *  code, have to sign an agreement to guarantee that products using
- *  software based on IgH EtherCAT master stay compatible with the actual
- *  EtherCAT specification (which are released themselves as an open
- *  standard) as the (only) precondition to have the right to use EtherCAT
- *  Technology, IP and trade marks.
- *
- *****************************************************************************/
-
-/**
-   \file
-   EtherCAT driver for RTL8139-compatible NICs.
-*/
-
-/*****************************************************************************/
-
-/*
-  Former documentation:
-
-	8139too.c: A RealTek RTL-8139 Fast Ethernet driver for Linux.
-
-	Maintained by Jeff Garzik <jgarzik@pobox.com>
-	Copyright 2000-2002 Jeff Garzik
-
-	Much code comes from Donald Becker's rtl8139.c driver,
-	versions 1.13 and older.  This driver was originally based
-	on rtl8139.c version 1.07.  Header of rtl8139.c version 1.13:
-
-	-----<snip>-----
-
-        	Written 1997-2001 by Donald Becker.
-		This software may be used and distributed according to the
-		terms of the GNU General Public License (GPL), incorporated
-		herein by reference.  Drivers based on or derived from this
-		code fall under the GPL and must retain the authorship,
-		copyright and license notice.  This file is not a complete
-		program and may only be used when the entire operating
-		system is licensed under the GPL.
-
-		This driver is for boards based on the RTL8129 and RTL8139
-		PCI ethernet chips.
-
-		The author may be reached as becker@scyld.com, or C/O Scyld
-		Computing Corporation 410 Severn Ave., Suite 210 Annapolis
-		MD 21403
-
-		Support and updates available at
-		http://www.scyld.com/network/rtl8139.html
-
-		Twister-tuning table provided by Kinston
-		<shangh@realtek.com.tw>.
-
-	-----<snip>-----
-
-	This software may be used and distributed according to the terms
-	of the GNU General Public License, incorporated herein by reference.
-
-	Contributors:
-
-		Donald Becker - he wrote the original driver, kudos to him!
-		(but please don't e-mail him for support, this isn't his driver)
-
-		Tigran Aivazian - bug fixes, skbuff free cleanup
-
-		Martin Mares - suggestions for PCI cleanup
-
-		David S. Miller - PCI DMA and softnet updates
-
-		Ernst Gill - fixes ported from BSD driver
-
-		Daniel Kobras - identified specific locations of
-			posted MMIO write bugginess
-
-		Gerard Sharp - bug fix, testing and feedback
-
-		David Ford - Rx ring wrap fix
-
-		Dan DeMaggio - swapped RTL8139 cards with me, and allowed me
-		to find and fix a crucial bug on older chipsets.
-
-		Donald Becker/Chris Butterworth/Marcus Westergren -
-		Noticed various Rx packet size-related buglets.
-
-		Santiago Garcia Mantinan - testing and feedback
-
-		Jens David - 2.2.x kernel backports
-
-		Martin Dennett - incredibly helpful insight on undocumented
-		features of the 8139 chips
-
-		Jean-Jacques Michel - bug fix
-
-		Tobias Ringström - Rx interrupt status checking suggestion
-
-		Andrew Morton - Clear blocked signals, avoid
-		buffer overrun setting current->comm.
-
-		Kalle Olavi Niemitalo - Wake-on-LAN ioctls
-
-		Robert Kuebel - Save kernel thread from dying on any signal.
-
-	Submitting bug reports:
-
-		"rtl8139-diag -mmmaaavvveefN" output
-		enable RTL8139_DEBUG below, and look at 'dmesg' or kernel log
-
-*/
-
-#define DRV_NAME	"ec_8139too"
-#define DRV_VERSION	"0.9.27"
-
-
-#include <linux/config.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/compiler.h>
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/rtnetlink.h>
-#include <linux/delay.h>
-#include <linux/ethtool.h>
-#include <linux/mii.h>
-#include <linux/completion.h>
-#include <linux/crc32.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/irq.h>
-
-/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-#include "../globals.h"
-#include "ecdev.h"
-
-#define RTL8139_DRIVER_NAME DRV_NAME \
-                            " EtherCAT-capable Fast Ethernet driver " \
-                            DRV_VERSION ", master " EC_MASTER_VERSION
-
-/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-#define PFX DRV_NAME ": "
-
-/* Default Message level */
-#define RTL8139_DEF_MSG_ENABLE   (NETIF_MSG_DRV   | \
-                                 NETIF_MSG_PROBE  | \
-                                 NETIF_MSG_LINK)
-
-
-/* enable PIO instead of MMIO, if CONFIG_8139TOO_PIO is selected */
-#ifdef CONFIG_8139TOO_PIO
-#define USE_IO_OPS 1
-#endif
-
-/* define to 1, 2 or 3 to enable copious debugging info */
-#define RTL8139_DEBUG 0
-
-/* define to 1 to disable lightweight runtime debugging checks */
-#undef RTL8139_NDEBUG
-
-
-#if RTL8139_DEBUG
-/* note: prints function name for you */
-#  define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args)
-#else
-#  define DPRINTK(fmt, args...)
-#endif
-
-#ifdef RTL8139_NDEBUG
-#  define assert(expr) do {} while (0)
-#else
-#  define assert(expr) \
-        if(unlikely(!(expr))) {				        \
-        printk(KERN_ERR "Assertion failed! %s,%s,%s,line=%d\n",	\
-        #expr,__FILE__,__FUNCTION__,__LINE__);		        \
-        }
-#endif
-
-
-/* A few user-configurable values. */
-/* media options */
-#define MAX_UNITS 8
-static int media[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1};
-static int full_duplex[MAX_UNITS] = {-1, -1, -1, -1, -1, -1, -1, -1};
-
-/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
-   The RTL chips use a 64 element hash table based on the Ethernet CRC.  */
-static int multicast_filter_limit = 32;
-
-/* bitmapped message enable number */
-static int debug = -1;
-
-/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-static int ec_device_index = -1;
-static int ec_device_master_index = 0;
-static ec_device_t *rtl_ec_dev;
-struct net_device *rtl_ec_net_dev = NULL;
-
-/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-/*
- * Receive ring size 
- * Warning: 64K ring has hardware issues and may lock up.
- */
-#if defined(CONFIG_SH_DREAMCAST)
-#define RX_BUF_IDX	1	/* 16K ring */
-#else
-#define RX_BUF_IDX	2	/* 32K ring */
-#endif
-#define RX_BUF_LEN	(8192 << RX_BUF_IDX)
-#define RX_BUF_PAD	16
-#define RX_BUF_WRAP_PAD 2048 /* spare padding to handle lack of packet wrap */
-
-#if RX_BUF_LEN == 65536
-#define RX_BUF_TOT_LEN	RX_BUF_LEN
-#else
-#define RX_BUF_TOT_LEN	(RX_BUF_LEN + RX_BUF_PAD + RX_BUF_WRAP_PAD)
-#endif
-
-/* Number of Tx descriptor registers. */
-#define NUM_TX_DESC	4
-
-/* max supported ethernet frame size -- must be at least (dev->mtu+14+4).*/
-#define MAX_ETH_FRAME_SIZE	1536
-
-/* Size of the Tx bounce buffers -- must be at least (dev->mtu+14+4). */
-#define TX_BUF_SIZE	MAX_ETH_FRAME_SIZE
-#define TX_BUF_TOT_LEN	(TX_BUF_SIZE * NUM_TX_DESC)
-
-/* PCI Tuning Parameters
-   Threshold is bytes transferred to chip before transmission starts. */
-#define TX_FIFO_THRESH 256	/* In bytes, rounded down to 32 byte units. */
-
-/* The following settings are log_2(bytes)-4:  0 == 16 bytes .. 6==1024, 7==end of packet. */
-#define RX_FIFO_THRESH	7	/* Rx buffer level before first PCI xfer.  */
-#define RX_DMA_BURST	7	/* Maximum PCI burst, '6' is 1024 */
-#define TX_DMA_BURST	6	/* Maximum PCI burst, '6' is 1024 */
-#define TX_RETRY	8	/* 0-15.  retries = 16 + (TX_RETRY * 16) */
-
-/* Operational parameters that usually are not changed. */
-/* Time in jiffies before concluding the transmitter is hung. */
-#define TX_TIMEOUT  (6*HZ)
-
-
-enum {
-	HAS_MII_XCVR = 0x010000,
-	HAS_CHIP_XCVR = 0x020000,
-	HAS_LNK_CHNG = 0x040000,
-};
-
-#define RTL_NUM_STATS 4		/* number of ETHTOOL_GSTATS u64's */
-#define RTL_REGS_VER 1		/* version of reg. data in ETHTOOL_GREGS */
-#define RTL_MIN_IO_SIZE 0x80
-#define RTL8139B_IO_SIZE 256
-
-#define RTL8129_CAPS	HAS_MII_XCVR
-#define RTL8139_CAPS	HAS_CHIP_XCVR|HAS_LNK_CHNG
-
-typedef enum {
-	RTL8139 = 0,
-	RTL8129,
-} board_t;
-
-
-/* indexed by board_t, above */
-static struct {
-	const char *name;
-	u32 hw_flags;
-} board_info[] __devinitdata = {
-	{ "RealTek RTL8139", RTL8139_CAPS },
-	{ "RealTek RTL8129", RTL8129_CAPS },
-};
-
-
-static struct pci_device_id rtl8139_pci_tbl[] = {
-	{0x10ec, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x10ec, 0x8138, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x1113, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x1500, 0x1360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x4033, 0x1360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x1186, 0x1300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x1186, 0x1340, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x13d1, 0xab06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x1259, 0xa117, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x1259, 0xa11e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x14ea, 0xab06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x14ea, 0xab07, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x11db, 0x1234, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x1432, 0x9130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x02ac, 0x1012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x018a, 0x0106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x126c, 0x1211, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x1743, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-	{0x021b, 0x8139, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 }, 
-
-#ifdef CONFIG_SH_SECUREEDGE5410
-	/* Bogus 8139 silicon reports 8129 without external PROM :-( */
-	{0x10ec, 0x8129, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8139 },
-#endif
-#ifdef CONFIG_8139TOO_8129
-	{0x10ec, 0x8129, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RTL8129 },
-#endif
-
-	/* some crazy cards report invalid vendor ids like
-	 * 0x0001 here.  The other ids are valid and constant,
-	 * so we simply don't match on the main vendor id.
-	 */
-	{PCI_ANY_ID, 0x8139, 0x10ec, 0x8139, 0, 0, RTL8139 },
-	{PCI_ANY_ID, 0x8139, 0x1186, 0x1300, 0, 0, RTL8139 },
-	{PCI_ANY_ID, 0x8139, 0x13d1, 0xab06, 0, 0, RTL8139 },
-
-	{0,}
-};
-
-/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-/* prevent driver from being loaded automatically */
-//MODULE_DEVICE_TABLE (pci, rtl8139_pci_tbl);
-
-/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-static struct {
-	const char str[ETH_GSTRING_LEN];
-} ethtool_stats_keys[] = {
-	{ "early_rx" },
-	{ "tx_buf_mapped" },
-	{ "tx_timeouts" },
-	{ "rx_lost_in_ring" },
-};
-
-/* The rest of these values should never change. */
-
-/* Symbolic offsets to registers. */
-enum RTL8139_registers {
-	MAC0 = 0,		/* Ethernet hardware address. */
-	MAR0 = 8,		/* Multicast filter. */
-	TxStatus0 = 0x10,	/* Transmit status (Four 32bit registers). */
-	TxAddr0 = 0x20,		/* Tx descriptors (also four 32bit). */
-	RxBuf = 0x30,
-	ChipCmd = 0x37,
-	RxBufPtr = 0x38,
-	RxBufAddr = 0x3A,
-	IntrMask = 0x3C,
-	IntrStatus = 0x3E,
-	TxConfig = 0x40,
-	RxConfig = 0x44,
-	Timer = 0x48,		/* A general-purpose counter. */
-	RxMissed = 0x4C,	/* 24 bits valid, write clears. */
-	Cfg9346 = 0x50,
-	Config0 = 0x51,
-	Config1 = 0x52,
-	FlashReg = 0x54,
-	MediaStatus = 0x58,
-	Config3 = 0x59,
-	Config4 = 0x5A,		/* absent on RTL-8139A */
-	HltClk = 0x5B,
-	MultiIntr = 0x5C,
-	TxSummary = 0x60,
-	BasicModeCtrl = 0x62,
-	BasicModeStatus = 0x64,
-	NWayAdvert = 0x66,
-	NWayLPAR = 0x68,
-	NWayExpansion = 0x6A,
-	/* Undocumented registers, but required for proper operation. */
-	FIFOTMS = 0x70,		/* FIFO Control and test. */
-	CSCR = 0x74,		/* Chip Status and Configuration Register. */
-	PARA78 = 0x78,
-	PARA7c = 0x7c,		/* Magic transceiver parameter register. */
-	Config5 = 0xD8,		/* absent on RTL-8139A */
-};
-
-enum ClearBitMasks {
-	MultiIntrClear = 0xF000,
-	ChipCmdClear = 0xE2,
-	Config1Clear = (1<<7)|(1<<6)|(1<<3)|(1<<2)|(1<<1),
-};
-
-enum ChipCmdBits {
-	CmdReset = 0x10,
-	CmdRxEnb = 0x08,
-	CmdTxEnb = 0x04,
-	RxBufEmpty = 0x01,
-};
-
-/* Interrupt register bits, using my own meaningful names. */
-enum IntrStatusBits {
-	PCIErr = 0x8000,
-	PCSTimeout = 0x4000,
-	RxFIFOOver = 0x40,
-	RxUnderrun = 0x20,
-	RxOverflow = 0x10,
-	TxErr = 0x08,
-	TxOK = 0x04,
-	RxErr = 0x02,
-	RxOK = 0x01,
-
-	RxAckBits = RxFIFOOver | RxOverflow | RxOK,
-};
-
-enum TxStatusBits {
-	TxHostOwns = 0x2000,
-	TxUnderrun = 0x4000,
-	TxStatOK = 0x8000,
-	TxOutOfWindow = 0x20000000,
-	TxAborted = 0x40000000,
-	TxCarrierLost = 0x80000000,
-};
-enum RxStatusBits {
-	RxMulticast = 0x8000,
-	RxPhysical = 0x4000,
-	RxBroadcast = 0x2000,
-	RxBadSymbol = 0x0020,
-	RxRunt = 0x0010,
-	RxTooLong = 0x0008,
-	RxCRCErr = 0x0004,
-	RxBadAlign = 0x0002,
-	RxStatusOK = 0x0001,
-};
-
-/* Bits in RxConfig. */
-enum rx_mode_bits {
-	AcceptErr = 0x20,
-	AcceptRunt = 0x10,
-	AcceptBroadcast = 0x08,
-	AcceptMulticast = 0x04,
-	AcceptMyPhys = 0x02,
-	AcceptAllPhys = 0x01,
-};
-
-/* Bits in TxConfig. */
-enum tx_config_bits {
-
-        /* Interframe Gap Time. Only TxIFG96 doesn't violate IEEE 802.3 */
-        TxIFGShift = 24,
-        TxIFG84 = (0 << TxIFGShift),    /* 8.4us / 840ns (10 / 100Mbps) */
-        TxIFG88 = (1 << TxIFGShift),    /* 8.8us / 880ns (10 / 100Mbps) */
-        TxIFG92 = (2 << TxIFGShift),    /* 9.2us / 920ns (10 / 100Mbps) */
-        TxIFG96 = (3 << TxIFGShift),    /* 9.6us / 960ns (10 / 100Mbps) */
-
-	TxLoopBack = (1 << 18) | (1 << 17), /* enable loopback test mode */
-	TxCRC = (1 << 16),	/* DISABLE appending CRC to end of Tx packets */
-	TxClearAbt = (1 << 0),	/* Clear abort (WO) */
-	TxDMAShift = 8,		/* DMA burst value (0-7) is shifted this many bits */
-	TxRetryShift = 4,	/* TXRR value (0-15) is shifted this many bits */
-
-	TxVersionMask = 0x7C800000, /* mask out version bits 30-26, 23 */
-};
-
-/* Bits in Config1 */
-enum Config1Bits {
-	Cfg1_PM_Enable = 0x01,
-	Cfg1_VPD_Enable = 0x02,
-	Cfg1_PIO = 0x04,
-	Cfg1_MMIO = 0x08,
-	LWAKE = 0x10,		/* not on 8139, 8139A */
-	Cfg1_Driver_Load = 0x20,
-	Cfg1_LED0 = 0x40,
-	Cfg1_LED1 = 0x80,
-	SLEEP = (1 << 1),	/* only on 8139, 8139A */
-	PWRDN = (1 << 0),	/* only on 8139, 8139A */
-};
-
-/* Bits in Config3 */
-enum Config3Bits {
-	Cfg3_FBtBEn    = (1 << 0), /* 1 = Fast Back to Back */
-	Cfg3_FuncRegEn = (1 << 1), /* 1 = enable CardBus Function registers */
-	Cfg3_CLKRUN_En = (1 << 2), /* 1 = enable CLKRUN */
-	Cfg3_CardB_En  = (1 << 3), /* 1 = enable CardBus registers */
-	Cfg3_LinkUp    = (1 << 4), /* 1 = wake up on link up */
-	Cfg3_Magic     = (1 << 5), /* 1 = wake up on Magic Packet (tm) */
-	Cfg3_PARM_En   = (1 << 6), /* 0 = software can set twister parameters */
-	Cfg3_GNTSel    = (1 << 7), /* 1 = delay 1 clock from PCI GNT signal */
-};
-
-/* Bits in Config4 */
-enum Config4Bits {
-	LWPTN = (1 << 2),	/* not on 8139, 8139A */
-};
-
-/* Bits in Config5 */
-enum Config5Bits {
-	Cfg5_PME_STS     = (1 << 0), /* 1 = PCI reset resets PME_Status */
-	Cfg5_LANWake     = (1 << 1), /* 1 = enable LANWake signal */
-	Cfg5_LDPS        = (1 << 2), /* 0 = save power when link is down */
-	Cfg5_FIFOAddrPtr = (1 << 3), /* Realtek internal SRAM testing */
-	Cfg5_UWF         = (1 << 4), /* 1 = accept unicast wakeup frame */
-	Cfg5_MWF         = (1 << 5), /* 1 = accept multicast wakeup frame */
-	Cfg5_BWF         = (1 << 6), /* 1 = accept broadcast wakeup frame */
-};
-
-enum RxConfigBits {
-	/* rx fifo threshold */
-	RxCfgFIFOShift = 13,
-	RxCfgFIFONone = (7 << RxCfgFIFOShift),
-
-	/* Max DMA burst */
-	RxCfgDMAShift = 8,
-	RxCfgDMAUnlimited = (7 << RxCfgDMAShift),
-
-	/* rx ring buffer length */
-	RxCfgRcv8K = 0,
-	RxCfgRcv16K = (1 << 11),
-	RxCfgRcv32K = (1 << 12),
-	RxCfgRcv64K = (1 << 11) | (1 << 12),
-
-	/* Disable packet wrap at end of Rx buffer. (not possible with 64k) */
-	RxNoWrap = (1 << 7),
-};
-
-/* Twister tuning parameters from RealTek.
-   Completely undocumented, but required to tune bad links on some boards. */
-enum CSCRBits {
-	CSCR_LinkOKBit = 0x0400,
-	CSCR_LinkChangeBit = 0x0800,
-	CSCR_LinkStatusBits = 0x0f000,
-	CSCR_LinkDownOffCmd = 0x003c0,
-	CSCR_LinkDownCmd = 0x0f3c0,
-};
-
-enum Cfg9346Bits {
-	Cfg9346_Lock = 0x00,
-	Cfg9346_Unlock = 0xC0,
-};
-
-typedef enum {
-	CH_8139 = 0,
-	CH_8139_K,
-	CH_8139A,
-	CH_8139A_G,
-	CH_8139B,
-	CH_8130,
-	CH_8139C,
-	CH_8100,
-	CH_8100B_8139D,
-	CH_8101,
-} chip_t;
-
-enum chip_flags {
-	HasHltClk = (1 << 0),
-	HasLWake = (1 << 1),
-};
-
-#define HW_REVID(b30, b29, b28, b27, b26, b23, b22) \
-	(b30<<30 | b29<<29 | b28<<28 | b27<<27 | b26<<26 | b23<<23 | b22<<22)
-#define HW_REVID_MASK	HW_REVID(1, 1, 1, 1, 1, 1, 1)
-
-/* directly indexed by chip_t, above */
-const static struct {
-	const char *name;
-	u32 version; /* from RTL8139C/RTL8139D docs */
-	u32 flags;
-} rtl_chip_info[] = {
-	{ "RTL-8139",
-	  HW_REVID(1, 0, 0, 0, 0, 0, 0),
-	  HasHltClk,
-	},
-
-	{ "RTL-8139 rev K",
-	  HW_REVID(1, 1, 0, 0, 0, 0, 0),
-	  HasHltClk,
-	},
-
-	{ "RTL-8139A",
-	  HW_REVID(1, 1, 1, 0, 0, 0, 0),
-	  HasHltClk, /* XXX undocumented? */
-	},
-
-	{ "RTL-8139A rev G",
-	  HW_REVID(1, 1, 1, 0, 0, 1, 0),
-	  HasHltClk, /* XXX undocumented? */
-	},
-
-	{ "RTL-8139B",
-	  HW_REVID(1, 1, 1, 1, 0, 0, 0),
-	  HasLWake,
-	},
-
-	{ "RTL-8130",
-	  HW_REVID(1, 1, 1, 1, 1, 0, 0),
-	  HasLWake,
-	},
-
-	{ "RTL-8139C",
-	  HW_REVID(1, 1, 1, 0, 1, 0, 0),
-	  HasLWake,
-	},
-
-	{ "RTL-8100",
-	  HW_REVID(1, 1, 1, 1, 0, 1, 0),
- 	  HasLWake,
- 	},
-
-	{ "RTL-8100B/8139D",
-	  HW_REVID(1, 1, 1, 0, 1, 0, 1),
-	  HasLWake,
-	},
-
-	{ "RTL-8101",
-	  HW_REVID(1, 1, 1, 0, 1, 1, 1),
-	  HasLWake,
-	},
-};
-
-struct rtl_extra_stats {
-	unsigned long early_rx;
-	unsigned long tx_buf_mapped;
-	unsigned long tx_timeouts;
-	unsigned long rx_lost_in_ring;
-};
-
-struct rtl8139_private {
-	void __iomem *mmio_addr;
-	int drv_flags;
-	struct pci_dev *pci_dev;
-	u32 msg_enable;
-	struct net_device_stats stats;
-	unsigned char *rx_ring;
-	unsigned int cur_rx;	/* Index into the Rx buffer of next Rx pkt. */
-	unsigned int tx_flag;
-	unsigned long cur_tx;
-	unsigned long dirty_tx;
-	unsigned char *tx_buf[NUM_TX_DESC];	/* Tx bounce buffers */
-	unsigned char *tx_bufs;	/* Tx bounce buffer region. */
-	dma_addr_t rx_ring_dma;
-	dma_addr_t tx_bufs_dma;
-	signed char phys[4];		/* MII device addresses. */
-	char twistie, twist_row, twist_col;	/* Twister tune state. */
-	unsigned int default_port:4;	/* Last dev->if_port value. */
-	spinlock_t lock;
-	spinlock_t rx_lock;
-	chip_t chipset;
-	pid_t thr_pid;
-	wait_queue_head_t thr_wait;
-	struct completion thr_exited;
-	u32 rx_config;
-	struct rtl_extra_stats xstats;
-	int time_to_die;
-	struct mii_if_info mii;
-	unsigned int regs_len;
-	unsigned long fifo_copy_timeout;
-};
-
-/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
-MODULE_DESCRIPTION("RealTek RTL-8139 EtherCAT driver");
-MODULE_LICENSE("GPL");
-MODULE_VERSION(EC_MASTER_VERSION);
-
-/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-module_param(multicast_filter_limit, int, 0);
-module_param_array(media, int, NULL, 0);
-module_param_array(full_duplex, int, NULL, 0);
-module_param(debug, int, 0);
-MODULE_PARM_DESC (debug, "8139too bitmapped message enable number");
-MODULE_PARM_DESC (multicast_filter_limit, "8139too maximum number of filtered multicast addresses");
-MODULE_PARM_DESC (media, "8139too: Bits 4+9: force full duplex, bit 5: 100Mbps");
-MODULE_PARM_DESC (full_duplex, "8139too: Force full duplex for board(s) (1)");
-
-/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-module_param(ec_device_index, int, -1);
-module_param(ec_device_master_index, int, 0);
-MODULE_PARM_DESC(ec_device_index,
-                 "Index of the device reserved for EtherCAT.");
-MODULE_PARM_DESC(ec_device_master_index,
-                 "Index of the EtherCAT master to register the device.");
-
-/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-static int read_eeprom (void __iomem *ioaddr, int location, int addr_len);
-static int rtl8139_open (struct net_device *dev);
-static int mdio_read (struct net_device *dev, int phy_id, int location);
-static void mdio_write (struct net_device *dev, int phy_id, int location,
-			int val);
-static void rtl8139_start_thread(struct net_device *dev);
-static void rtl8139_tx_timeout (struct net_device *dev);
-static void rtl8139_init_ring (struct net_device *dev);
-static int rtl8139_start_xmit (struct sk_buff *skb,
-			       struct net_device *dev);
-int rtl8139_poll(struct net_device *dev, int *budget);
-#ifdef CONFIG_NET_POLL_CONTROLLER
-static void rtl8139_poll_controller(struct net_device *dev);
-#endif
-irqreturn_t rtl8139_interrupt (int irq, void *dev_instance,
-                               struct pt_regs *regs);
-static int rtl8139_close (struct net_device *dev);
-static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd);
-static struct net_device_stats *rtl8139_get_stats (struct net_device *dev);
-static void rtl8139_set_rx_mode (struct net_device *dev);
-static void __set_rx_mode (struct net_device *dev);
-static void rtl8139_hw_start (struct net_device *dev);
-static struct ethtool_ops rtl8139_ethtool_ops;
-
-/* write MMIO register, with flush */
-/* Flush avoids rtl8139 bug w/ posted MMIO writes */
-#define RTL_W8_F(reg, val8)	do { iowrite8 ((val8), ioaddr + (reg)); ioread8 (ioaddr + (reg)); } while (0)
-#define RTL_W16_F(reg, val16)	do { iowrite16 ((val16), ioaddr + (reg)); ioread16 (ioaddr + (reg)); } while (0)
-#define RTL_W32_F(reg, val32)	do { iowrite32 ((val32), ioaddr + (reg)); ioread32 (ioaddr + (reg)); } while (0)
-
-
-#define MMIO_FLUSH_AUDIT_COMPLETE 1
-#if MMIO_FLUSH_AUDIT_COMPLETE
-
-/* write MMIO register */
-#define RTL_W8(reg, val8)	iowrite8 ((val8), ioaddr + (reg))
-#define RTL_W16(reg, val16)	iowrite16 ((val16), ioaddr + (reg))
-#define RTL_W32(reg, val32)	iowrite32 ((val32), ioaddr + (reg))
-
-#else
-
-/* write MMIO register, then flush */
-#define RTL_W8		RTL_W8_F
-#define RTL_W16		RTL_W16_F
-#define RTL_W32		RTL_W32_F
-
-#endif /* MMIO_FLUSH_AUDIT_COMPLETE */
-
-/* read MMIO register */
-#define RTL_R8(reg)		ioread8 (ioaddr + (reg))
-#define RTL_R16(reg)		ioread16 (ioaddr + (reg))
-#define RTL_R32(reg)		((unsigned long) ioread32 (ioaddr + (reg)))
-
-
-static const u16 rtl8139_intr_mask =
-	PCIErr | PCSTimeout | RxUnderrun | RxOverflow | RxFIFOOver |
-	TxErr | TxOK | RxErr | RxOK;
-
-static const u16 rtl8139_norx_intr_mask =
-	PCIErr | PCSTimeout | RxUnderrun |
-	TxErr | TxOK | RxErr ;
-
-#if RX_BUF_IDX == 0
-static const unsigned int rtl8139_rx_config =
-	RxCfgRcv8K | RxNoWrap |
-	(RX_FIFO_THRESH << RxCfgFIFOShift) |
-	(RX_DMA_BURST << RxCfgDMAShift);
-#elif RX_BUF_IDX == 1
-static const unsigned int rtl8139_rx_config =
-	RxCfgRcv16K | RxNoWrap |
-	(RX_FIFO_THRESH << RxCfgFIFOShift) |
-	(RX_DMA_BURST << RxCfgDMAShift);
-#elif RX_BUF_IDX == 2
-static const unsigned int rtl8139_rx_config =
-	RxCfgRcv32K | RxNoWrap |
-	(RX_FIFO_THRESH << RxCfgFIFOShift) |
-	(RX_DMA_BURST << RxCfgDMAShift);
-#elif RX_BUF_IDX == 3
-static const unsigned int rtl8139_rx_config =
-	RxCfgRcv64K |
-	(RX_FIFO_THRESH << RxCfgFIFOShift) |
-	(RX_DMA_BURST << RxCfgDMAShift);
-#else
-#error "Invalid configuration for 8139_RXBUF_IDX"
-#endif
-
-static const unsigned int rtl8139_tx_config =
-	TxIFG96 | (TX_DMA_BURST << TxDMAShift) | (TX_RETRY << TxRetryShift);
-
-static void __rtl8139_cleanup_dev (struct net_device *dev)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-	struct pci_dev *pdev;
-
-	assert (dev != NULL);
-	assert (tp->pci_dev != NULL);
-	pdev = tp->pci_dev;
-
-#ifdef USE_IO_OPS
-	if (tp->mmio_addr)
-		ioport_unmap (tp->mmio_addr);
-#else
-	if (tp->mmio_addr)
-		pci_iounmap (pdev, tp->mmio_addr);
-#endif /* USE_IO_OPS */
-
-	/* it's ok to call this even if we have no regions to free */
-	pci_release_regions (pdev);
-
-	free_netdev(dev);
-	pci_set_drvdata (pdev, NULL);
-}
-
-
-static void rtl8139_chip_reset (void __iomem *ioaddr)
-{
-	int i;
-
-	/* Soft reset the chip. */
-	RTL_W8 (ChipCmd, CmdReset);
-
-	/* Check that the chip has finished the reset. */
-	for (i = 1000; i > 0; i--) {
-		barrier();
-		if ((RTL_R8 (ChipCmd) & CmdReset) == 0)
-		    break;
-		udelay (10);
-	}
-}
-
-
-static int __devinit rtl8139_init_board (struct pci_dev *pdev,
-					 struct net_device **dev_out)
-{
-	void __iomem *ioaddr;
-	struct net_device *dev;
-	struct rtl8139_private *tp;
-	u8 tmp8;
-	int rc, disable_dev_on_err = 0;
-	unsigned int i;
-	unsigned long pio_start, pio_end, pio_flags, pio_len;
-	unsigned long mmio_start, mmio_end, mmio_flags, mmio_len;
-	u32 version;
-
-	assert (pdev != NULL);
-
-	*dev_out = NULL;
-
-	/* dev and priv zeroed in alloc_etherdev */
-	dev = alloc_etherdev (sizeof (*tp));
-	if (dev == NULL) {
-		printk (KERN_ERR PFX "%s: Unable to alloc new net device\n", pci_name(pdev));
-		return -ENOMEM;
-	}
-	SET_MODULE_OWNER(dev);
-	SET_NETDEV_DEV(dev, &pdev->dev);
-
-	tp = netdev_priv(dev);
-	tp->pci_dev = pdev;
-
-	/* enable device (incl. PCI PM wakeup and hotplug setup) */
-	rc = pci_enable_device (pdev);
-	if (rc)
-		goto err_out;
-
-	pio_start = pci_resource_start (pdev, 0);
-	pio_end = pci_resource_end (pdev, 0);
-	pio_flags = pci_resource_flags (pdev, 0);
-	pio_len = pci_resource_len (pdev, 0);
-
-	mmio_start = pci_resource_start (pdev, 1);
-	mmio_end = pci_resource_end (pdev, 1);
-	mmio_flags = pci_resource_flags (pdev, 1);
-	mmio_len = pci_resource_len (pdev, 1);
-
-	/* set this immediately, we need to know before
-	 * we talk to the chip directly */
-	DPRINTK("PIO region size == 0x%02X\n", pio_len);
-	DPRINTK("MMIO region size == 0x%02lX\n", mmio_len);
-
-#ifdef USE_IO_OPS
-	/* make sure PCI base addr 0 is PIO */
-	if (!(pio_flags & IORESOURCE_IO)) {
-		printk (KERN_ERR PFX "%s: region #0 not a PIO resource, aborting\n", pci_name(pdev));
-		rc = -ENODEV;
-		goto err_out;
-	}
-	/* check for weird/broken PCI region reporting */
-	if (pio_len < RTL_MIN_IO_SIZE) {
-		printk (KERN_ERR PFX "%s: Invalid PCI I/O region size(s), aborting\n", pci_name(pdev));
-		rc = -ENODEV;
-		goto err_out;
-	}
-#else
-	/* make sure PCI base addr 1 is MMIO */
-	if (!(mmio_flags & IORESOURCE_MEM)) {
-		printk (KERN_ERR PFX "%s: region #1 not an MMIO resource, aborting\n", pci_name(pdev));
-		rc = -ENODEV;
-		goto err_out;
-	}
-	if (mmio_len < RTL_MIN_IO_SIZE) {
-		printk (KERN_ERR PFX "%s: Invalid PCI mem region size(s), aborting\n", pci_name(pdev));
-		rc = -ENODEV;
-		goto err_out;
-	}
-#endif
-
-	rc = pci_request_regions (pdev, "8139too");
-	if (rc)
-		goto err_out;
-	disable_dev_on_err = 1;
-
-	/* enable PCI bus-mastering */
-	pci_set_master (pdev);
-
-#ifdef USE_IO_OPS
-	ioaddr = ioport_map(pio_start, pio_len);
-	if (!ioaddr) {
-		printk (KERN_ERR PFX "%s: cannot map PIO, aborting\n", pci_name(pdev));
-		rc = -EIO;
-		goto err_out;
-	}
-	dev->base_addr = pio_start;
-	tp->mmio_addr = ioaddr;
-	tp->regs_len = pio_len;
-#else
-	/* ioremap MMIO region */
-	ioaddr = pci_iomap(pdev, 1, 0);
-	if (ioaddr == NULL) {
-		printk (KERN_ERR PFX "%s: cannot remap MMIO, aborting\n", pci_name(pdev));
-		rc = -EIO;
-		goto err_out;
-	}
-	dev->base_addr = (long) ioaddr;
-	tp->mmio_addr = ioaddr;
-	tp->regs_len = mmio_len;
-#endif /* USE_IO_OPS */
-
-	/* Bring old chips out of low-power mode. */
-	RTL_W8 (HltClk, 'R');
-
-	/* check for missing/broken hardware */
-	if (RTL_R32 (TxConfig) == 0xFFFFFFFF) {
-		printk (KERN_ERR PFX "%s: Chip not responding, ignoring board\n",
-			pci_name(pdev));
-		rc = -EIO;
-		goto err_out;
-	}
-
-	/* identify chip attached to board */
-	version = RTL_R32 (TxConfig) & HW_REVID_MASK;
-	for (i = 0; i < ARRAY_SIZE (rtl_chip_info); i++)
-		if (version == rtl_chip_info[i].version) {
-			tp->chipset = i;
-			goto match;
-		}
-
-	/* if unknown chip, assume array element #0, original RTL-8139 in this case */
-	printk (KERN_DEBUG PFX "%s: unknown chip version, assuming RTL-8139\n",
-		pci_name(pdev));
-        printk (KERN_DEBUG PFX "%s: TxConfig = 0x%lx\n", pci_name(pdev), RTL_R32 (TxConfig));
-	tp->chipset = 0;
-
-match:
-	DPRINTK ("chipset id (%d) == index %d, '%s'\n",
-		 version, i, rtl_chip_info[i].name);
-
-	if (tp->chipset >= CH_8139B) {
-		u8 new_tmp8 = tmp8 = RTL_R8 (Config1);
-		DPRINTK("PCI PM wakeup\n");
-		if ((rtl_chip_info[tp->chipset].flags & HasLWake) &&
-		    (tmp8 & LWAKE))
-			new_tmp8 &= ~LWAKE;
-		new_tmp8 |= Cfg1_PM_Enable;
-		if (new_tmp8 != tmp8) {
-			RTL_W8 (Cfg9346, Cfg9346_Unlock);
-			RTL_W8 (Config1, tmp8);
-			RTL_W8 (Cfg9346, Cfg9346_Lock);
-		}
-		if (rtl_chip_info[tp->chipset].flags & HasLWake) {
-			tmp8 = RTL_R8 (Config4);
-			if (tmp8 & LWPTN) {
-				RTL_W8 (Cfg9346, Cfg9346_Unlock);
-				RTL_W8 (Config4, tmp8 & ~LWPTN);
-				RTL_W8 (Cfg9346, Cfg9346_Lock);
-			}
-		}
-	} else {
-		DPRINTK("Old chip wakeup\n");
-		tmp8 = RTL_R8 (Config1);
-		tmp8 &= ~(SLEEP | PWRDN);
-		RTL_W8 (Config1, tmp8);
-	}
-
-	rtl8139_chip_reset (ioaddr);
-
-	*dev_out = dev;
-	return 0;
-
-err_out:
-	__rtl8139_cleanup_dev (dev);
-	if (disable_dev_on_err)
-		pci_disable_device (pdev);
-	return rc;
-}
-
-
-static int __devinit rtl8139_init_one (struct pci_dev *pdev,
-				       const struct pci_device_id *ent)
-{
-	struct net_device *dev = NULL;
-	struct rtl8139_private *tp;
-	int i, addr_len, option;
-	void __iomem *ioaddr;
-	static int board_idx = -1;
-	u8 pci_rev;
-
-	assert (pdev != NULL);
-	assert (ent != NULL);
-
-	board_idx++;
-
-	/* when we're built into the kernel, the driver version message
-	 * is only printed if at least one 8139 board has been found
-	 */
-#ifndef MODULE
-	{
-		static int printed_version;
-		if (!printed_version++)
-			printk (KERN_INFO RTL8139_DRIVER_NAME "\n");
-	}
-#endif
-
-	pci_read_config_byte(pdev, PCI_REVISION_ID, &pci_rev);
-
-	if (pdev->vendor == PCI_VENDOR_ID_REALTEK &&
-	    pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pci_rev >= 0x20) {
-		printk(KERN_INFO PFX "pci dev %s (id %04x:%04x rev %02x) is an enhanced 8139C+ chip\n",
-		       pci_name(pdev), pdev->vendor, pdev->device, pci_rev);
-		printk(KERN_INFO PFX "Use the \"8139cp\" driver for improved performance and stability.\n");
-	}
-
-	i = rtl8139_init_board (pdev, &dev);
-	if (i < 0)
-		return i;
-
-	assert (dev != NULL);
-	tp = netdev_priv(dev);
-
-	/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	if (board_idx == ec_device_index) {
-        rtl_ec_net_dev = dev;
-        strcpy(dev->name, "ec0");
-	}
-
-	/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	ioaddr = tp->mmio_addr;
-	assert (ioaddr != NULL);
-
-	addr_len = read_eeprom (ioaddr, 0, 8) == 0x8129 ? 8 : 6;
-	for (i = 0; i < 3; i++)
-		((u16 *) (dev->dev_addr))[i] =
-		    le16_to_cpu (read_eeprom (ioaddr, i + 7, addr_len));
-
-	/* The Rtl8139-specific entries in the device structure. */
-	dev->open = rtl8139_open;
-	dev->hard_start_xmit = rtl8139_start_xmit;
-	dev->poll = rtl8139_poll;
-	dev->weight = 64;
-	dev->stop = rtl8139_close;
-	dev->get_stats = rtl8139_get_stats;
-	dev->set_multicast_list = rtl8139_set_rx_mode;
-	dev->do_ioctl = netdev_ioctl;
-	dev->ethtool_ops = &rtl8139_ethtool_ops;
-	dev->tx_timeout = rtl8139_tx_timeout;
-	dev->watchdog_timeo = TX_TIMEOUT;
-#ifdef CONFIG_NET_POLL_CONTROLLER
-	dev->poll_controller = rtl8139_poll_controller;
-#endif
-
-	/* note: the hardware is not capable of sg/csum/highdma, however
-	 * through the use of skb_copy_and_csum_dev we enable these
-	 * features
-	 */
-	dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA;
-
-	dev->irq = pdev->irq;
-
-	/* tp zeroed and aligned in alloc_etherdev */
-	tp = netdev_priv(dev);
-
-	/* note: tp->chipset set in rtl8139_init_board */
-	tp->drv_flags = board_info[ent->driver_data].hw_flags;
-	tp->mmio_addr = ioaddr;
-	tp->msg_enable =
-		(debug < 0 ? RTL8139_DEF_MSG_ENABLE : ((1 << debug) - 1));
-	spin_lock_init (&tp->lock);
-	spin_lock_init (&tp->rx_lock);
-	init_waitqueue_head (&tp->thr_wait);
-	init_completion (&tp->thr_exited);
-	tp->mii.dev = dev;
-	tp->mii.mdio_read = mdio_read;
-	tp->mii.mdio_write = mdio_write;
-	tp->mii.phy_id_mask = 0x3f;
-	tp->mii.reg_num_mask = 0x1f;
-
-	/* dev is fully set up and ready to use now */
-
-	/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-    if (dev != rtl_ec_net_dev) {
-        DPRINTK("about to register device named %s (%p)...\n", dev->name, dev);
-        i = register_netdev (dev);
-        if (i) goto err_out;
-	}
-
-	/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	pci_set_drvdata (pdev, dev);
-
-	printk (KERN_INFO "%s: %s at 0x%lx, "
-		"%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, "
-		"IRQ %d\n",
-		dev->name,
-		board_info[ent->driver_data].name,
-		dev->base_addr,
-		dev->dev_addr[0], dev->dev_addr[1],
-		dev->dev_addr[2], dev->dev_addr[3],
-		dev->dev_addr[4], dev->dev_addr[5],
-		dev->irq);
-
-	printk (KERN_DEBUG "%s:  Identified 8139 chip type '%s'\n",
-		dev->name, rtl_chip_info[tp->chipset].name);
-
-	/* Find the connected MII xcvrs.
-	   Doing this in open() would allow detecting external xcvrs later, but
-	   takes too much time. */
-#ifdef CONFIG_8139TOO_8129
-	if (tp->drv_flags & HAS_MII_XCVR) {
-		int phy, phy_idx = 0;
-		for (phy = 0; phy < 32 && phy_idx < sizeof(tp->phys); phy++) {
-			int mii_status = mdio_read(dev, phy, 1);
-			if (mii_status != 0xffff  &&  mii_status != 0x0000) {
-				u16 advertising = mdio_read(dev, phy, 4);
-				tp->phys[phy_idx++] = phy;
-				printk(KERN_INFO "%s: MII transceiver %d status 0x%4.4x "
-					   "advertising %4.4x.\n",
-					   dev->name, phy, mii_status, advertising);
-			}
-		}
-		if (phy_idx == 0) {
-			printk(KERN_INFO "%s: No MII transceivers found!  Assuming SYM "
-				   "transceiver.\n",
-				   dev->name);
-			tp->phys[0] = 32;
-		}
-	} else
-#endif
-		tp->phys[0] = 32;
-	tp->mii.phy_id = tp->phys[0];
-
-	/* The lower four bits are the media type. */
-	option = (board_idx >= MAX_UNITS) ? 0 : media[board_idx];
-	if (option > 0) {
-		tp->mii.full_duplex = (option & 0x210) ? 1 : 0;
-		tp->default_port = option & 0xFF;
-		if (tp->default_port)
-			tp->mii.force_media = 1;
-	}
-	if (board_idx < MAX_UNITS  &&  full_duplex[board_idx] > 0)
-		tp->mii.full_duplex = full_duplex[board_idx];
-	if (tp->mii.full_duplex) {
-		printk(KERN_INFO "%s: Media type forced to Full Duplex.\n", dev->name);
-		/* Changing the MII-advertised media because might prevent
-		   re-connection. */
-		tp->mii.force_media = 1;
-	}
-	if (tp->default_port) {
-		printk(KERN_INFO "  Forcing %dMbps %s-duplex operation.\n",
-			   (option & 0x20 ? 100 : 10),
-			   (option & 0x10 ? "full" : "half"));
-		mdio_write(dev, tp->phys[0], 0,
-				   ((option & 0x20) ? 0x2000 : 0) | 	/* 100Mbps? */
-				   ((option & 0x10) ? 0x0100 : 0)); /* Full duplex? */
-	}
-
-	/* Put the chip into low-power mode. */
-	if (rtl_chip_info[tp->chipset].flags & HasHltClk)
-		RTL_W8 (HltClk, 'H');	/* 'R' would leave the clock running. */
-
-	return 0;
-
-err_out:
-	__rtl8139_cleanup_dev (dev);
-	pci_disable_device (pdev);
-	return i;
-}
-
-
-static void __devexit rtl8139_remove_one (struct pci_dev *pdev)
-{
-	struct net_device *dev = pci_get_drvdata (pdev);
-
-	assert (dev != NULL);
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-    if (dev != rtl_ec_net_dev) {
-        unregister_netdev (dev);
-	}
-
-	/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	__rtl8139_cleanup_dev (dev);
-	pci_disable_device (pdev);
-}
-
-
-/* Serial EEPROM section. */
-
-/*  EEPROM_Ctrl bits. */
-#define EE_SHIFT_CLK	0x04	/* EEPROM shift clock. */
-#define EE_CS			0x08	/* EEPROM chip select. */
-#define EE_DATA_WRITE	0x02	/* EEPROM chip data in. */
-#define EE_WRITE_0		0x00
-#define EE_WRITE_1		0x02
-#define EE_DATA_READ	0x01	/* EEPROM chip data out. */
-#define EE_ENB			(0x80 | EE_CS)
-
-/* Delay between EEPROM clock transitions.
-   No extra delay is needed with 33Mhz PCI, but 66Mhz may change this.
- */
-
-#define eeprom_delay()	RTL_R32(Cfg9346)
-
-/* The EEPROM commands include the alway-set leading bit. */
-#define EE_WRITE_CMD	(5)
-#define EE_READ_CMD		(6)
-#define EE_ERASE_CMD	(7)
-
-static int __devinit read_eeprom (void __iomem *ioaddr, int location, int addr_len)
-{
-	int i;
-	unsigned retval = 0;
-	int read_cmd = location | (EE_READ_CMD << addr_len);
-
-	RTL_W8 (Cfg9346, EE_ENB & ~EE_CS);
-	RTL_W8 (Cfg9346, EE_ENB);
-	eeprom_delay ();
-
-	/* Shift the read command bits out. */
-	for (i = 4 + addr_len; i >= 0; i--) {
-		int dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
-		RTL_W8 (Cfg9346, EE_ENB | dataval);
-		eeprom_delay ();
-		RTL_W8 (Cfg9346, EE_ENB | dataval | EE_SHIFT_CLK);
-		eeprom_delay ();
-	}
-	RTL_W8 (Cfg9346, EE_ENB);
-	eeprom_delay ();
-
-	for (i = 16; i > 0; i--) {
-		RTL_W8 (Cfg9346, EE_ENB | EE_SHIFT_CLK);
-		eeprom_delay ();
-		retval =
-		    (retval << 1) | ((RTL_R8 (Cfg9346) & EE_DATA_READ) ? 1 :
-				     0);
-		RTL_W8 (Cfg9346, EE_ENB);
-		eeprom_delay ();
-	}
-
-	/* Terminate the EEPROM access. */
-	RTL_W8 (Cfg9346, ~EE_CS);
-	eeprom_delay ();
-
-	return retval;
-}
-
-/* MII serial management: mostly bogus for now. */
-/* Read and write the MII management registers using software-generated
-   serial MDIO protocol.
-   The maximum data clock rate is 2.5 Mhz.  The minimum timing is usually
-   met by back-to-back PCI I/O cycles, but we insert a delay to avoid
-   "overclocking" issues. */
-#define MDIO_DIR		0x80
-#define MDIO_DATA_OUT	0x04
-#define MDIO_DATA_IN	0x02
-#define MDIO_CLK		0x01
-#define MDIO_WRITE0 (MDIO_DIR)
-#define MDIO_WRITE1 (MDIO_DIR | MDIO_DATA_OUT)
-
-#define mdio_delay()	RTL_R8(Config4)
-
-
-static char mii_2_8139_map[8] = {
-	BasicModeCtrl,
-	BasicModeStatus,
-	0,
-	0,
-	NWayAdvert,
-	NWayLPAR,
-	NWayExpansion,
-	0
-};
-
-
-#ifdef CONFIG_8139TOO_8129
-/* Syncronize the MII management interface by shifting 32 one bits out. */
-static void mdio_sync (void __iomem *ioaddr)
-{
-	int i;
-
-	for (i = 32; i >= 0; i--) {
-		RTL_W8 (Config4, MDIO_WRITE1);
-		mdio_delay ();
-		RTL_W8 (Config4, MDIO_WRITE1 | MDIO_CLK);
-		mdio_delay ();
-	}
-}
-#endif
-
-static int mdio_read (struct net_device *dev, int phy_id, int location)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-	int retval = 0;
-#ifdef CONFIG_8139TOO_8129
-	void __iomem *ioaddr = tp->mmio_addr;
-	int mii_cmd = (0xf6 << 10) | (phy_id << 5) | location;
-	int i;
-#endif
-
-	if (phy_id > 31) {	/* Really a 8139.  Use internal registers. */
-		void __iomem *ioaddr = tp->mmio_addr;
-		return location < 8 && mii_2_8139_map[location] ?
-		    RTL_R16 (mii_2_8139_map[location]) : 0;
-	}
-
-#ifdef CONFIG_8139TOO_8129
-	mdio_sync (ioaddr);
-	/* Shift the read command bits out. */
-	for (i = 15; i >= 0; i--) {
-		int dataval = (mii_cmd & (1 << i)) ? MDIO_DATA_OUT : 0;
-
-		RTL_W8 (Config4, MDIO_DIR | dataval);
-		mdio_delay ();
-		RTL_W8 (Config4, MDIO_DIR | dataval | MDIO_CLK);
-		mdio_delay ();
-	}
-
-	/* Read the two transition, 16 data, and wire-idle bits. */
-	for (i = 19; i > 0; i--) {
-		RTL_W8 (Config4, 0);
-		mdio_delay ();
-		retval = (retval << 1) | ((RTL_R8 (Config4) & MDIO_DATA_IN) ? 1 : 0);
-		RTL_W8 (Config4, MDIO_CLK);
-		mdio_delay ();
-	}
-#endif
-
-	return (retval >> 1) & 0xffff;
-}
-
-
-static void mdio_write (struct net_device *dev, int phy_id, int location,
-			int value)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-#ifdef CONFIG_8139TOO_8129
-	void __iomem *ioaddr = tp->mmio_addr;
-	int mii_cmd = (0x5002 << 16) | (phy_id << 23) | (location << 18) | value;
-	int i;
-#endif
-
-	if (phy_id > 31) {	/* Really a 8139.  Use internal registers. */
-		void __iomem *ioaddr = tp->mmio_addr;
-		if (location == 0) {
-			RTL_W8 (Cfg9346, Cfg9346_Unlock);
-			RTL_W16 (BasicModeCtrl, value);
-			RTL_W8 (Cfg9346, Cfg9346_Lock);
-		} else if (location < 8 && mii_2_8139_map[location])
-			RTL_W16 (mii_2_8139_map[location], value);
-		return;
-	}
-
-#ifdef CONFIG_8139TOO_8129
-	mdio_sync (ioaddr);
-
-	/* Shift the command bits out. */
-	for (i = 31; i >= 0; i--) {
-		int dataval =
-		    (mii_cmd & (1 << i)) ? MDIO_WRITE1 : MDIO_WRITE0;
-		RTL_W8 (Config4, dataval);
-		mdio_delay ();
-		RTL_W8 (Config4, dataval | MDIO_CLK);
-		mdio_delay ();
-	}
-	/* Clear out extra bits. */
-	for (i = 2; i > 0; i--) {
-		RTL_W8 (Config4, 0);
-		mdio_delay ();
-		RTL_W8 (Config4, MDIO_CLK);
-		mdio_delay ();
-	}
-#endif
-}
-
-
-static int rtl8139_open (struct net_device *dev)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-	int retval;
-	void __iomem *ioaddr = tp->mmio_addr;
-
-	/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-    if (dev != rtl_ec_net_dev) {
-	    retval = request_irq(dev->irq, rtl8139_interrupt,
-                             SA_SHIRQ, dev->name, dev);
-        if (retval)
-            return retval;
-    }
-
-	/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	tp->tx_bufs = pci_alloc_consistent(tp->pci_dev, TX_BUF_TOT_LEN,
-					   &tp->tx_bufs_dma);
-	tp->rx_ring = pci_alloc_consistent(tp->pci_dev, RX_BUF_TOT_LEN,
-					   &tp->rx_ring_dma);
-	if (tp->tx_bufs == NULL || tp->rx_ring == NULL) {
-        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-        if (dev != rtl_ec_net_dev) {
-            free_irq(dev->irq, dev);
-        }
-
-        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-        if (tp->tx_bufs)
-          pci_free_consistent(tp->pci_dev, TX_BUF_TOT_LEN,
-                              tp->tx_bufs, tp->tx_bufs_dma);
-        if (tp->rx_ring)
-          pci_free_consistent(tp->pci_dev, RX_BUF_TOT_LEN,
-                              tp->rx_ring, tp->rx_ring_dma);
-
-        return -ENOMEM;
-
-	}
-
-	tp->mii.full_duplex = tp->mii.force_media;
-	tp->tx_flag = (TX_FIFO_THRESH << 11) & 0x003f0000;
-
-	rtl8139_init_ring (dev);
-	rtl8139_hw_start (dev);
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-    if (dev != rtl_ec_net_dev) {
-        netif_start_queue (dev);
-
-        if (netif_msg_ifup(tp))
-            printk(KERN_DEBUG "%s: rtl8139_open() ioaddr %#lx IRQ %d"
-                   " GP Pins %2.2x %s-duplex.\n",
-                   dev->name, pci_resource_start (tp->pci_dev, 1),
-                   dev->irq, RTL_R8 (MediaStatus),
-                   tp->mii.full_duplex ? "full" : "half");
-
-        rtl8139_start_thread(dev);
-    }
-
-	/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	return 0;
-}
-
-
-static void rtl_check_media (struct net_device *dev, unsigned int init_media)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-
-	/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-    if (dev != rtl_ec_net_dev) {
-        if (tp->phys[0] >= 0) {
-            mii_check_media(&tp->mii, netif_msg_link(tp), init_media);
-        }
-    } else {
-        void __iomem *ioaddr = tp->mmio_addr;
-        uint16_t state = RTL_R16(BasicModeStatus) & BMSR_LSTATUS;
-        ecdev_link_state(rtl_ec_dev, state ? 1 : 0);
-    }
-
-	/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-}
-
-/* Start the hardware at open or resume. */
-static void rtl8139_hw_start (struct net_device *dev)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-	void __iomem *ioaddr = tp->mmio_addr;
-	u32 i;
-	u8 tmp;
-
-	/* Bring old chips out of low-power mode. */
-	if (rtl_chip_info[tp->chipset].flags & HasHltClk)
-		RTL_W8 (HltClk, 'R');
-
-	rtl8139_chip_reset (ioaddr);
-
-	/* unlock Config[01234] and BMCR register writes */
-	RTL_W8_F (Cfg9346, Cfg9346_Unlock);
-	/* Restore our idea of the MAC address. */
-	RTL_W32_F (MAC0 + 0, cpu_to_le32 (*(u32 *) (dev->dev_addr + 0)));
-	RTL_W32_F (MAC0 + 4, cpu_to_le32 (*(u32 *) (dev->dev_addr + 4)));
-
-	/* Must enable Tx/Rx before setting transfer thresholds! */
-	RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb);
-
-	tp->rx_config = rtl8139_rx_config | AcceptBroadcast | AcceptMyPhys;
-	RTL_W32 (RxConfig, tp->rx_config);
-	RTL_W32 (TxConfig, rtl8139_tx_config);
-
-	tp->cur_rx = 0;
-
-	rtl_check_media (dev, 1);
-
-	if (tp->chipset >= CH_8139B) {
-		/* Disable magic packet scanning, which is enabled
-		 * when PM is enabled in Config1.  It can be reenabled
-		 * via ETHTOOL_SWOL if desired.  */
-		RTL_W8 (Config3, RTL_R8 (Config3) & ~Cfg3_Magic);
-	}
-
-	DPRINTK("init buffer addresses\n");
-
-	/* Lock Config[01234] and BMCR register writes */
-	RTL_W8 (Cfg9346, Cfg9346_Lock);
-
-	/* init Rx ring buffer DMA address */
-	RTL_W32_F (RxBuf, tp->rx_ring_dma);
-
-	/* init Tx buffer DMA addresses */
-	for (i = 0; i < NUM_TX_DESC; i++)
-		RTL_W32_F (TxAddr0 + (i * 4), tp->tx_bufs_dma + (tp->tx_buf[i] - tp->tx_bufs));
-
-	RTL_W32 (RxMissed, 0);
-
-	rtl8139_set_rx_mode (dev);
-
-	/* no early-rx interrupts */
-	RTL_W16 (MultiIntr, RTL_R16 (MultiIntr) & MultiIntrClear);
-
-	/* make sure RxTx has started */
-	tmp = RTL_R8 (ChipCmd);
-	if ((!(tmp & CmdRxEnb)) || (!(tmp & CmdTxEnb)))
-		RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb);
-
-	/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-    if (dev != rtl_ec_net_dev) {
-        /* Enable all known interrupts by setting the interrupt mask. */
-        RTL_W16 (IntrMask, rtl8139_intr_mask);
-	}
-
-	/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-}
-
-
-/* Initialize the Rx and Tx rings, along with various 'dev' bits. */
-static void rtl8139_init_ring (struct net_device *dev)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-	int i;
-
-	tp->cur_rx = 0;
-	tp->cur_tx = 0;
-	tp->dirty_tx = 0;
-
-	for (i = 0; i < NUM_TX_DESC; i++)
-		tp->tx_buf[i] = &tp->tx_bufs[i * TX_BUF_SIZE];
-}
-
-
-/* This must be global for CONFIG_8139TOO_TUNE_TWISTER case */
-static int next_tick = 3 * HZ;
-
-#ifndef CONFIG_8139TOO_TUNE_TWISTER
-static inline void rtl8139_tune_twister (struct net_device *dev,
-				  struct rtl8139_private *tp) {}
-#else
-enum TwisterParamVals {
-	PARA78_default	= 0x78fa8388,
-	PARA7c_default	= 0xcb38de43,	/* param[0][3] */
-	PARA7c_xxx	= 0xcb38de43,
-};
-
-static const unsigned long param[4][4] = {
-	{0xcb39de43, 0xcb39ce43, 0xfb38de03, 0xcb38de43},
-	{0xcb39de43, 0xcb39ce43, 0xcb39ce83, 0xcb39ce83},
-	{0xcb39de43, 0xcb39ce43, 0xcb39ce83, 0xcb39ce83},
-	{0xbb39de43, 0xbb39ce43, 0xbb39ce83, 0xbb39ce83}
-};
-
-static void rtl8139_tune_twister (struct net_device *dev,
-				  struct rtl8139_private *tp)
-{
-	int linkcase;
-	void __iomem *ioaddr = tp->mmio_addr;
-
-	/* This is a complicated state machine to configure the "twister" for
-	   impedance/echos based on the cable length.
-	   All of this is magic and undocumented.
-	 */
-	switch (tp->twistie) {
-	case 1:
-		if (RTL_R16 (CSCR) & CSCR_LinkOKBit) {
-			/* We have link beat, let us tune the twister. */
-			RTL_W16 (CSCR, CSCR_LinkDownOffCmd);
-			tp->twistie = 2;	/* Change to state 2. */
-			next_tick = HZ / 10;
-		} else {
-			/* Just put in some reasonable defaults for when beat returns. */
-			RTL_W16 (CSCR, CSCR_LinkDownCmd);
-			RTL_W32 (FIFOTMS, 0x20);	/* Turn on cable test mode. */
-			RTL_W32 (PARA78, PARA78_default);
-			RTL_W32 (PARA7c, PARA7c_default);
-			tp->twistie = 0;	/* Bail from future actions. */
-		}
-		break;
-	case 2:
-		/* Read how long it took to hear the echo. */
-		linkcase = RTL_R16 (CSCR) & CSCR_LinkStatusBits;
-		if (linkcase == 0x7000)
-			tp->twist_row = 3;
-		else if (linkcase == 0x3000)
-			tp->twist_row = 2;
-		else if (linkcase == 0x1000)
-			tp->twist_row = 1;
-		else
-			tp->twist_row = 0;
-		tp->twist_col = 0;
-		tp->twistie = 3;	/* Change to state 2. */
-		next_tick = HZ / 10;
-		break;
-	case 3:
-		/* Put out four tuning parameters, one per 100msec. */
-		if (tp->twist_col == 0)
-			RTL_W16 (FIFOTMS, 0);
-		RTL_W32 (PARA7c, param[(int) tp->twist_row]
-			 [(int) tp->twist_col]);
-		next_tick = HZ / 10;
-		if (++tp->twist_col >= 4) {
-			/* For short cables we are done.
-			   For long cables (row == 3) check for mistune. */
-			tp->twistie =
-			    (tp->twist_row == 3) ? 4 : 0;
-		}
-		break;
-	case 4:
-		/* Special case for long cables: check for mistune. */
-		if ((RTL_R16 (CSCR) &
-		     CSCR_LinkStatusBits) == 0x7000) {
-			tp->twistie = 0;
-			break;
-		} else {
-			RTL_W32 (PARA7c, 0xfb38de03);
-			tp->twistie = 5;
-			next_tick = HZ / 10;
-		}
-		break;
-	case 5:
-		/* Retune for shorter cable (column 2). */
-		RTL_W32 (FIFOTMS, 0x20);
-		RTL_W32 (PARA78, PARA78_default);
-		RTL_W32 (PARA7c, PARA7c_default);
-		RTL_W32 (FIFOTMS, 0x00);
-		tp->twist_row = 2;
-		tp->twist_col = 0;
-		tp->twistie = 3;
-		next_tick = HZ / 10;
-		break;
-
-	default:
-		/* do nothing */
-		break;
-	}
-}
-#endif /* CONFIG_8139TOO_TUNE_TWISTER */
-
-static inline void rtl8139_thread_iter (struct net_device *dev,
-				 struct rtl8139_private *tp,
-				 void __iomem *ioaddr)
-{
-	int mii_lpa;
-
-	mii_lpa = mdio_read (dev, tp->phys[0], MII_LPA);
-
-	if (!tp->mii.force_media && mii_lpa != 0xffff) {
-		int duplex = (mii_lpa & LPA_100FULL)
-		    || (mii_lpa & 0x01C0) == 0x0040;
-		if (tp->mii.full_duplex != duplex) {
-			tp->mii.full_duplex = duplex;
-
-			if (mii_lpa) {
-				printk (KERN_INFO
-					"%s: Setting %s-duplex based on MII #%d link"
-					" partner ability of %4.4x.\n",
-					dev->name,
-					tp->mii.full_duplex ? "full" : "half",
-					tp->phys[0], mii_lpa);
-			} else {
-				printk(KERN_INFO"%s: media is unconnected, link down, or incompatible connection\n",
-				       dev->name);
-			}
-#if 0
-			RTL_W8 (Cfg9346, Cfg9346_Unlock);
-			RTL_W8 (Config1, tp->mii.full_duplex ? 0x60 : 0x20);
-			RTL_W8 (Cfg9346, Cfg9346_Lock);
-#endif
-		}
-	}
-
-	next_tick = HZ * 60;
-
-	rtl8139_tune_twister (dev, tp);
-
-	DPRINTK ("%s: Media selection tick, Link partner %4.4x.\n",
-		 dev->name, RTL_R16 (NWayLPAR));
-	DPRINTK ("%s:  Other registers are IntMask %4.4x IntStatus %4.4x\n",
-		 dev->name, RTL_R16 (IntrMask), RTL_R16 (IntrStatus));
-	DPRINTK ("%s:  Chip config %2.2x %2.2x.\n",
-		 dev->name, RTL_R8 (Config0),
-		 RTL_R8 (Config1));
-}
-
-static int rtl8139_thread (void *data)
-{
-	struct net_device *dev = data;
-	struct rtl8139_private *tp = netdev_priv(dev);
-	unsigned long timeout;
-
-	daemonize("%s", dev->name);
-	allow_signal(SIGTERM);
-
-	while (1) {
-		timeout = next_tick;
-		do {
-			timeout = interruptible_sleep_on_timeout (&tp->thr_wait, timeout);
-			/* make swsusp happy with our thread */
-			try_to_freeze();
-		} while (!signal_pending (current) && (timeout > 0));
-
-		if (signal_pending (current)) {
-			flush_signals(current);
-		}
-
-		if (tp->time_to_die)
-			break;
-
-		if (rtnl_lock_interruptible ())
-			break;
-		rtl8139_thread_iter (dev, tp, tp->mmio_addr);
-		rtnl_unlock ();
-	}
-
-	complete_and_exit (&tp->thr_exited, 0);
-}
-
-static void rtl8139_start_thread(struct net_device *dev)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-
-	tp->thr_pid = -1;
-	tp->twistie = 0;
-	tp->time_to_die = 0;
-	if (tp->chipset == CH_8139_K)
-		tp->twistie = 1;
-	else if (tp->drv_flags & HAS_LNK_CHNG)
-		return;
-
-	tp->thr_pid = kernel_thread(rtl8139_thread, dev, CLONE_FS|CLONE_FILES);
-	if (tp->thr_pid < 0) {
-		printk (KERN_WARNING "%s: unable to start kernel thread\n",
-			dev->name);
-	}
-}
-
-static inline void rtl8139_tx_clear (struct rtl8139_private *tp)
-{
-	tp->cur_tx = 0;
-	tp->dirty_tx = 0;
-
-	/* XXX account for unsent Tx packets in tp->stats.tx_dropped */
-}
-
-
-static void rtl8139_tx_timeout (struct net_device *dev)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-	void __iomem *ioaddr = tp->mmio_addr;
-	int i;
-	u8 tmp8;
-	unsigned long flags;
-
-	printk (KERN_DEBUG "%s: Transmit timeout, status %2.2x %4.4x %4.4x "
-		"media %2.2x.\n", dev->name, RTL_R8 (ChipCmd),
-		RTL_R16(IntrStatus), RTL_R16(IntrMask), RTL_R8(MediaStatus));
-	/* Emit info to figure out what went wrong. */
-	printk (KERN_DEBUG "%s: Tx queue start entry %ld  dirty entry %ld.\n",
-		dev->name, tp->cur_tx, tp->dirty_tx);
-	for (i = 0; i < NUM_TX_DESC; i++)
-		printk (KERN_DEBUG "%s:  Tx descriptor %d is %8.8lx.%s\n",
-			dev->name, i, RTL_R32 (TxStatus0 + (i * 4)),
-			i == tp->dirty_tx % NUM_TX_DESC ?
-				" (queue head)" : "");
-
-	tp->xstats.tx_timeouts++;
-
-	/* disable Tx ASAP, if not already */
-	tmp8 = RTL_R8 (ChipCmd);
-	if (tmp8 & CmdTxEnb)
-                RTL_W8 (ChipCmd, CmdRxEnb);
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-    if (dev != rtl_ec_net_dev) {
-        spin_lock(&tp->rx_lock);
-        /* Disable interrupts by clearing the interrupt mask. */
-        RTL_W16 (IntrMask, 0x0000);
-
-        /* Stop a shared interrupt from scavenging while we are. */
-        spin_lock_irqsave (&tp->lock, flags);
-        rtl8139_tx_clear (tp);
-        spin_unlock_irqrestore (&tp->lock, flags);
-
-        /* ...and finally, reset everything */
-        if (netif_running(dev)) {
-            rtl8139_hw_start (dev);
-            netif_wake_queue (dev);
-        }
-        spin_unlock(&tp->rx_lock);
-    } else {
-        rtl8139_tx_clear (tp);
-        rtl8139_hw_start(dev);
-    }
-
-	/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-}
-
-
-static int rtl8139_start_xmit (struct sk_buff *skb, struct net_device *dev)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-	void __iomem *ioaddr = tp->mmio_addr;
-	unsigned int entry;
-	unsigned int len = skb->len;
-
-	/* Calculate the next Tx descriptor entry. */
-	entry = tp->cur_tx % NUM_TX_DESC;
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-    /* Note: the chip doesn't have auto-pad! */
-	if (likely(len < TX_BUF_SIZE)) {
-        if (len < ETH_ZLEN)
-                memset(tp->tx_buf[entry], 0, ETH_ZLEN);
-        skb_copy_and_csum_dev(skb, tp->tx_buf[entry]);
-        if (dev != rtl_ec_net_dev) {
-            dev_kfree_skb(skb);
-        }
-	} else {
-        if (dev != rtl_ec_net_dev) {
-            dev_kfree_skb(skb);
-        }
-        tp->stats.tx_dropped++;
-        return 0;
-	}
-
-	if (dev != rtl_ec_net_dev) {
-        spin_lock_irq(&tp->lock);
-    }
-
-	/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	RTL_W32_F (TxStatus0 + (entry * sizeof (u32)),
-		   tp->tx_flag | max(len, (unsigned int)ETH_ZLEN));
-
-	dev->trans_start = jiffies;
-
-	tp->cur_tx++;
-	wmb();
-
-	/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	if (dev != rtl_ec_net_dev) {
-        if ((tp->cur_tx - NUM_TX_DESC) == tp->dirty_tx)
-                netif_stop_queue (dev);
-        spin_unlock_irq(&tp->lock);
-
-        if (netif_msg_tx_queued(tp))
-            printk (KERN_DEBUG "%s: Queued Tx packet size %u to slot %d.\n",
-                dev->name, len, entry);
-    }
-
-	/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	return 0;
-}
-
-
-static void rtl8139_tx_interrupt (struct net_device *dev,
-				  struct rtl8139_private *tp,
-				  void __iomem *ioaddr)
-{
-	unsigned long dirty_tx, tx_left;
-
-	assert (dev != NULL);
-	assert (ioaddr != NULL);
-
-	dirty_tx = tp->dirty_tx;
-	tx_left = tp->cur_tx - dirty_tx;
-	while (tx_left > 0) {
-		int entry = dirty_tx % NUM_TX_DESC;
-		int txstatus;
-
-		txstatus = RTL_R32 (TxStatus0 + (entry * sizeof (u32)));
-
-		if (!(txstatus & (TxStatOK | TxUnderrun | TxAborted)))
-			break;	/* It still hasn't been Txed */
-
-		/* Note: TxCarrierLost is always asserted at 100mbps. */
-		if (txstatus & (TxOutOfWindow | TxAborted)) {
-			/* There was an major error, log it. */
-			if (netif_msg_tx_err(tp))
-				printk(KERN_DEBUG "%s: Transmit error, Tx status %8.8x.\n",
-					dev->name, txstatus);
-			tp->stats.tx_errors++;
-			if (txstatus & TxAborted) {
-				tp->stats.tx_aborted_errors++;
-				RTL_W32 (TxConfig, TxClearAbt);
-				RTL_W16 (IntrStatus, TxErr);
-				wmb();
-			}
-			if (txstatus & TxCarrierLost)
-				tp->stats.tx_carrier_errors++;
-			if (txstatus & TxOutOfWindow)
-				tp->stats.tx_window_errors++;
-		} else {
-			if (txstatus & TxUnderrun) {
-				/* Add 64 to the Tx FIFO threshold. */
-				if (tp->tx_flag < 0x00300000)
-					tp->tx_flag += 0x00020000;
-				tp->stats.tx_fifo_errors++;
-			}
-			tp->stats.collisions += (txstatus >> 24) & 15;
-			tp->stats.tx_bytes += txstatus & 0x7ff;
-			tp->stats.tx_packets++;
-		}
-
-		dirty_tx++;
-		tx_left--;
-	}
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-#ifndef RTL8139_NDEBUG
-	if (dev != rtl_ec_net_dev && tp->cur_tx - dirty_tx > NUM_TX_DESC) {
-		printk (KERN_ERR "%s: Out-of-sync dirty pointer, %ld vs. %ld.\n",
-		        dev->name, dirty_tx, tp->cur_tx);
-		dirty_tx += NUM_TX_DESC;
-	}
-#endif /* RTL8139_NDEBUG */
-
-    /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	/* only wake the queue if we did work, and the queue is stopped */
-	if (tp->dirty_tx != dirty_tx) {
-		tp->dirty_tx = dirty_tx;
-		mb();
-
-        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-		if (dev != rtl_ec_net_dev) {
-            netif_wake_queue (dev);
-        }
-
-        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-	}
-}
-
-
-/* TODO: clean this up!  Rx reset need not be this intensive */
-static void rtl8139_rx_err (u32 rx_status, struct net_device *dev,
-			    struct rtl8139_private *tp, void __iomem *ioaddr)
-{
-	u8 tmp8;
-#ifdef CONFIG_8139_OLD_RX_RESET
-	int tmp_work;
-#endif
-
-	if (netif_msg_rx_err (tp)) 
-		printk(KERN_DEBUG "%s: Ethernet frame had errors, status %8.8x.\n",
-			dev->name, rx_status);
-	tp->stats.rx_errors++;
-	if (!(rx_status & RxStatusOK)) {
-		if (rx_status & RxTooLong) {
-			DPRINTK ("%s: Oversized Ethernet frame, status %4.4x!\n",
-			 	dev->name, rx_status);
-			/* A.C.: The chip hangs here. */
-		}
-		if (rx_status & (RxBadSymbol | RxBadAlign))
-			tp->stats.rx_frame_errors++;
-		if (rx_status & (RxRunt | RxTooLong))
-			tp->stats.rx_length_errors++;
-		if (rx_status & RxCRCErr)
-			tp->stats.rx_crc_errors++;
-	} else {
-		tp->xstats.rx_lost_in_ring++;
-	}
-
-#ifndef CONFIG_8139_OLD_RX_RESET
-	tmp8 = RTL_R8 (ChipCmd);
-	RTL_W8 (ChipCmd, tmp8 & ~CmdRxEnb);
-	RTL_W8 (ChipCmd, tmp8);
-	RTL_W32 (RxConfig, tp->rx_config);
-	tp->cur_rx = 0;
-#else
-	/* Reset the receiver, based on RealTek recommendation. (Bug?) */
-
-	/* disable receive */
-	RTL_W8_F (ChipCmd, CmdTxEnb);
-	tmp_work = 200;
-	while (--tmp_work > 0) {
-		udelay(1);
-		tmp8 = RTL_R8 (ChipCmd);
-		if (!(tmp8 & CmdRxEnb))
-			break;
-	}
-	if (tmp_work <= 0)
-		printk (KERN_WARNING PFX "rx stop wait too long\n");
-	/* restart receive */
-	tmp_work = 200;
-	while (--tmp_work > 0) {
-		RTL_W8_F (ChipCmd, CmdRxEnb | CmdTxEnb);
-		udelay(1);
-		tmp8 = RTL_R8 (ChipCmd);
-		if ((tmp8 & CmdRxEnb) && (tmp8 & CmdTxEnb))
-			break;
-	}
-	if (tmp_work <= 0)
-		printk (KERN_WARNING PFX "tx/rx enable wait too long\n");
-
-	/* and reinitialize all rx related registers */
-	RTL_W8_F (Cfg9346, Cfg9346_Unlock);
-	/* Must enable Tx/Rx before setting transfer thresholds! */
-	RTL_W8 (ChipCmd, CmdRxEnb | CmdTxEnb);
-
-	tp->rx_config = rtl8139_rx_config | AcceptBroadcast | AcceptMyPhys;
-	RTL_W32 (RxConfig, tp->rx_config);
-	tp->cur_rx = 0;
-
-	DPRINTK("init buffer addresses\n");
-
-	/* Lock Config[01234] and BMCR register writes */
-	RTL_W8 (Cfg9346, Cfg9346_Lock);
-
-	/* init Rx ring buffer DMA address */
-	RTL_W32_F (RxBuf, tp->rx_ring_dma);
-
-	/* A.C.: Reset the multicast list. */
-	__set_rx_mode (dev);
-#endif
-}
-
-#if RX_BUF_IDX == 3
-static __inline__ void wrap_copy(struct sk_buff *skb, const unsigned char *ring,
-				 u32 offset, unsigned int size)
-{
-	u32 left = RX_BUF_LEN - offset;
-
-	if (size > left) {
-		memcpy(skb->data, ring + offset, left);
-		memcpy(skb->data+left, ring, size - left);
-	} else
-		memcpy(skb->data, ring + offset, size);
-}
-#endif
-
-static void rtl8139_isr_ack(struct rtl8139_private *tp)
-{
-	void __iomem *ioaddr = tp->mmio_addr;
-	u16 status;
-
-	status = RTL_R16 (IntrStatus) & RxAckBits;
-
-	/* Clear out errors and receive interrupts */
-	if (likely(status != 0)) {
-		if (unlikely(status & (RxFIFOOver | RxOverflow))) {
-			tp->stats.rx_errors++;
-			if (status & RxFIFOOver)
-				tp->stats.rx_fifo_errors++;
-		}
-		RTL_W16_F (IntrStatus, RxAckBits);
-	}
-}
-
-static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp,
-		      int budget)
-{
-	void __iomem *ioaddr = tp->mmio_addr;
-	int received = 0;
-	unsigned char *rx_ring = tp->rx_ring;
-	unsigned int cur_rx = tp->cur_rx;
-	unsigned int rx_size = 0;
-
-	DPRINTK ("%s: In rtl8139_rx(), current %4.4x BufAddr %4.4x,"
-		 " free to %4.4x, Cmd %2.2x.\n", dev->name, (u16)cur_rx,
-		 RTL_R16 (RxBufAddr),
-		 RTL_R16 (RxBufPtr), RTL_R8 (ChipCmd));
-
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	while ((dev == rtl_ec_net_dev || netif_running(dev))
-	       && received < budget
-	       && (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) {
-
-    /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-		u32 ring_offset = cur_rx % RX_BUF_LEN;
-		u32 rx_status;
-		unsigned int pkt_size;
-		struct sk_buff *skb;
-
-		rmb();
-
-		/* read size+status of next frame from DMA ring buffer */
-		rx_status = le32_to_cpu (*(u32 *) (rx_ring + ring_offset));
-		rx_size = rx_status >> 16;
-		pkt_size = rx_size - 4;
-
-        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-        if (dev != rtl_ec_net_dev) {
-		    if (netif_msg_rx_status(tp))
-                printk(KERN_DEBUG "%s:  rtl8139_rx() status %4.4x, size %4.4x,"
-                       " cur %4.4x.\n", dev->name, rx_status,
-                       rx_size, cur_rx);
-        }
-
-        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-#if RTL8139_DEBUG > 2
-		{
-                  int i;
-                  DPRINTK ("%s: Frame contents ", dev->name);
-                  for (i = 0; i < 70; i++)
-                    printk (" %2.2x",
-                            rx_ring[ring_offset + i]);
-                  printk (".\n");
-		}
-#endif
-
-		/* Packet copy from FIFO still in progress.
-		 * Theoretically, this should never happen
-		 * since EarlyRx is disabled.
-		 */
-		if (unlikely(rx_size == 0xfff0)) {
-			if (!tp->fifo_copy_timeout)
-				tp->fifo_copy_timeout = jiffies + 2;
-			else if (time_after(jiffies, tp->fifo_copy_timeout)) {
-				DPRINTK ("%s: hung FIFO. Reset.", dev->name);
-				rx_size = 0;
-				goto no_early_rx;
-			}
-			if (netif_msg_intr(tp)) {
-				printk(KERN_DEBUG "%s: fifo copy in progress.",
-				       dev->name);
-			}
-			tp->xstats.early_rx++;
-			break;
-		}
-
-no_early_rx:
-		tp->fifo_copy_timeout = 0;
-
-		/* If Rx err or invalid rx_size/rx_status received
-		 * (which happens if we get lost in the ring),
-		 * Rx process gets reset, so we abort any further
-		 * Rx processing.
-		 */
-		if (unlikely((rx_size > (MAX_ETH_FRAME_SIZE+4)) ||
-			     (rx_size < 8) ||
-			     (!(rx_status & RxStatusOK)))) {
-			rtl8139_rx_err (rx_status, dev, tp, ioaddr);
-			received = -1;
-			goto out;
-		}
-
-        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-        if (dev != rtl_ec_net_dev) {
-            /* Malloc up new buffer, compatible with net-2e. */
-            /* Omit the four octet CRC from the length. */
-
-            skb = dev_alloc_skb (pkt_size + 2);
-            if (likely(skb)) {
-                skb->dev = dev;
-                skb_reserve (skb, 2);	/* 16 byte align the IP fields. */
-#if RX_BUF_IDX == 3
-                wrap_copy(skb, rx_ring, ring_offset+4, pkt_size);
-#else
-                eth_copy_and_sum (skb, &rx_ring[ring_offset + 4], pkt_size, 0);
-#endif
-                skb_put (skb, pkt_size);
-
-                skb->protocol = eth_type_trans (skb, dev);
-
-                dev->last_rx = jiffies;
-                tp->stats.rx_bytes += pkt_size;
-                tp->stats.rx_packets++;
-
-                netif_receive_skb (skb);
-            } else {
-                if (net_ratelimit())
-                    printk (KERN_WARNING
-                            "%s: Memory squeeze, dropping packet.\n",
-                            dev->name);
-                tp->stats.rx_dropped++;
-            }
-        } else {
-            ecdev_receive(rtl_ec_dev,
-                          &rx_ring[ring_offset + 4], pkt_size);
-            dev->last_rx = jiffies;
-            tp->stats.rx_bytes += pkt_size;
-            tp->stats.rx_packets++;
-        }
-
-        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-		received++;
-
-		cur_rx = (cur_rx + rx_size + 4 + 3) & ~3;
-		RTL_W16 (RxBufPtr, (u16) (cur_rx - 16));
-
-		rtl8139_isr_ack(tp);
-	}
-
-	if (unlikely(!received || rx_size == 0xfff0))
-		rtl8139_isr_ack(tp);
-
-#if RTL8139_DEBUG > 1
-	DPRINTK ("%s: Done rtl8139_rx(), current %4.4x BufAddr %4.4x,"
-		 " free to %4.4x, Cmd %2.2x.\n", dev->name, cur_rx,
-		 RTL_R16 (RxBufAddr),
-		 RTL_R16 (RxBufPtr), RTL_R8 (ChipCmd));
-#endif
-
-	tp->cur_rx = cur_rx;
-
-	/*
-	 * The receive buffer should be mostly empty.
-	 * Tell NAPI to reenable the Rx irq.
-	 */
-	if (tp->fifo_copy_timeout)
-		received = budget;
-
-out:
-	return received;
-}
-
-
-static void rtl8139_weird_interrupt (struct net_device *dev,
-				     struct rtl8139_private *tp,
-				     void __iomem *ioaddr,
-				     int status, int link_changed)
-{
-	DPRINTK ("%s: Abnormal interrupt, status %8.8x.\n",
-		 dev->name, status);
-
-	assert (dev != NULL);
-	assert (tp != NULL);
-	assert (ioaddr != NULL);
-
-	/* Update the error count. */
-	tp->stats.rx_missed_errors += RTL_R32 (RxMissed);
-	RTL_W32 (RxMissed, 0);
-
-	if ((status & RxUnderrun) && link_changed &&
-	    (tp->drv_flags & HAS_LNK_CHNG)) {
-		rtl_check_media(dev, 0);
-		status &= ~RxUnderrun;
-	}
-
-	if (status & (RxUnderrun | RxErr))
-		tp->stats.rx_errors++;
-
-	if (status & PCSTimeout)
-		tp->stats.rx_length_errors++;
-	if (status & RxUnderrun)
-		tp->stats.rx_fifo_errors++;
-	if (status & PCIErr) {
-		u16 pci_cmd_status;
-		pci_read_config_word (tp->pci_dev, PCI_STATUS, &pci_cmd_status);
-		pci_write_config_word (tp->pci_dev, PCI_STATUS, pci_cmd_status);
-
-		printk (KERN_ERR "%s: PCI Bus error %4.4x.\n",
-			dev->name, pci_cmd_status);
-	}
-}
-
-int rtl8139_poll(struct net_device *dev, int *budget)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-	void __iomem *ioaddr = tp->mmio_addr;
-	int orig_budget = min(*budget, dev->quota);
-	int done = 1;
-
-	spin_lock(&tp->rx_lock);
-	if (likely(RTL_R16(IntrStatus) & RxAckBits)) {
-		int work_done;
-
-		work_done = rtl8139_rx(dev, tp, orig_budget);
-		if (likely(work_done > 0)) {
-			*budget -= work_done;
-			dev->quota -= work_done;
-			done = (work_done < orig_budget);
-		}
-	}
-
-	if (done) {
-		/*
-		 * Order is important since data can get interrupted
-		 * again when we think we are done.
-		 */
-        local_irq_disable();
-        RTL_W16_F(IntrMask, rtl8139_intr_mask);
-        __netif_rx_complete(dev);
-        local_irq_enable();
-	}
-	spin_unlock(&tp->rx_lock);
-
-	return !done;
-}
-
-/* The interrupt handler does all of the Rx thread work and cleans up
-   after the Tx thread. */
-irqreturn_t rtl8139_interrupt (int irq, void *dev_instance,
-                               struct pt_regs *regs)
-{
-	struct net_device *dev = (struct net_device *) dev_instance;
-	struct rtl8139_private *tp = netdev_priv(dev);
-	void __iomem *ioaddr = tp->mmio_addr;
-	u16 status, ackstat;
-	int link_changed = 0; /* avoid bogus "uninit" warning */
-	int handled = 0;
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	if (dev != rtl_ec_net_dev) {
-        spin_lock (&tp->lock);
-        status = RTL_R16 (IntrStatus);
-
-	    /* shared irq? */
-        if (unlikely((status & rtl8139_intr_mask) == 0))
-            goto out;
-    } else {
-        status = RTL_R16 (IntrStatus);
-    }
-
-    /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	handled = 1;
-
-	/* h/w no longer present (hotplug?) or major error, bail */
-	if (unlikely(status == 0xFFFF))
-		goto out;
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	if (dev != rtl_ec_net_dev) {
-        /* close possible race's with dev_close */
-        if (unlikely(!netif_running(dev))) {
-            RTL_W16 (IntrMask, 0);
-            goto out;
-        }
-	}
-
-    /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	/* Acknowledge all of the current interrupt sources ASAP, but
-	   an first get an additional status bit from CSCR. */
-	if (unlikely(status & RxUnderrun))
-		link_changed = RTL_R16 (CSCR) & CSCR_LinkChangeBit;
-
-	ackstat = status & ~(RxAckBits | TxErr);
-	if (ackstat)
-		RTL_W16 (IntrStatus, ackstat);
-
-	/* Receive packets are processed by poll routine.
-	   If not running start it now. */
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	if (status & RxAckBits){
-        if (dev != rtl_ec_net_dev) {
-            /* Mark for polling */
-            if (netif_rx_schedule_prep(dev)) {
-                RTL_W16_F (IntrMask, rtl8139_norx_intr_mask);
-                __netif_rx_schedule (dev);
-            }
-        } else {
-            /* EtherCAT device: Just receive all frames */
-            rtl8139_rx(dev, tp, 100); // FIXME
-        }
-	}
-
-    /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	/* Check uncommon events with one test. */
-	if (unlikely(status & (PCIErr | PCSTimeout | RxUnderrun | RxErr)))
-		rtl8139_weird_interrupt (dev, tp, ioaddr,
-					 status, link_changed);
-
-	if (status & (TxOK | TxErr)) {
-		rtl8139_tx_interrupt (dev, tp, ioaddr);
-		if (status & TxErr)
-			RTL_W16 (IntrStatus, TxErr);
-	}
- out:
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	if (dev != rtl_ec_net_dev) {
-        spin_unlock (&tp->lock);
-    }
-
-    /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	DPRINTK ("%s: exiting interrupt, intr_status=%#4.4x.\n",
-		 dev->name, RTL_R16 (IntrStatus));
-	return IRQ_RETVAL(handled);
-}
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-/*
- * Polling receive - used by netconsole and other diagnostic tools
- * to allow network i/o with interrupts disabled.
- */
-static void rtl8139_poll_controller(struct net_device *dev)
-{
-	disable_irq(dev->irq);
-	rtl8139_interrupt(dev->irq, dev, NULL);
-	enable_irq(dev->irq);
-}
-#endif
-
-static int rtl8139_close (struct net_device *dev)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-	void __iomem *ioaddr = tp->mmio_addr;
-	int ret = 0;
-	unsigned long flags;
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-    if (dev != rtl_ec_net_dev) {
-        netif_stop_queue (dev);
-
-        if (tp->thr_pid >= 0) {
-            tp->time_to_die = 1;
-            wmb();
-            ret = kill_proc (tp->thr_pid, SIGTERM, 1);
-            if (ret) {
-                printk (KERN_ERR "%s: unable to signal thread\n", dev->name);
-                return ret;
-            }
-            wait_for_completion (&tp->thr_exited);
-        }
-
-        if (netif_msg_ifdown(tp))
-            printk(KERN_DEBUG "%s: Shutting down ethercard, status was 0x%4.4x.\n",
-                   dev->name, RTL_R16 (IntrStatus));
-
-        spin_lock_irqsave (&tp->lock, flags);
-
-        /* Stop the chip's Tx and Rx DMA processes. */
-        RTL_W8 (ChipCmd, 0);
-
-        /* Disable interrupts by clearing the interrupt mask. */
-        RTL_W16 (IntrMask, 0);
-
-        /* Update the error counts. */
-        tp->stats.rx_missed_errors += RTL_R32 (RxMissed);
-        RTL_W32 (RxMissed, 0);
-
-        spin_unlock_irqrestore (&tp->lock, flags);
-
-        synchronize_irq (dev->irq);	/* racy, but that's ok here */
-        free_irq (dev->irq, dev);
-    } else {
-        /* Stop the chip's Tx and Rx DMA processes. */
-        RTL_W8 (ChipCmd, 0);
-
-        /* Disable interrupts by clearing the interrupt mask. */
-        RTL_W16 (IntrMask, 0);
-
-        /* Update the error counts. */
-        tp->stats.rx_missed_errors += RTL_R32 (RxMissed);
-        RTL_W32 (RxMissed, 0);
-    }
-
-    /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	rtl8139_tx_clear (tp);
-
-	pci_free_consistent(tp->pci_dev, RX_BUF_TOT_LEN,
-			    tp->rx_ring, tp->rx_ring_dma);
-	pci_free_consistent(tp->pci_dev, TX_BUF_TOT_LEN,
-			    tp->tx_bufs, tp->tx_bufs_dma);
-	tp->rx_ring = NULL;
-	tp->tx_bufs = NULL;
-
-	/* Green! Put the chip in low-power mode. */
-	RTL_W8 (Cfg9346, Cfg9346_Unlock);
-
-	if (rtl_chip_info[tp->chipset].flags & HasHltClk)
-		RTL_W8 (HltClk, 'H');	/* 'R' would leave the clock running. */
-
-	return 0;
-}
-
-
-/* Get the ethtool Wake-on-LAN settings.  Assumes that wol points to
-   kernel memory, *wol has been initialized as {ETHTOOL_GWOL}, and
-   other threads or interrupts aren't messing with the 8139.  */
-static void rtl8139_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
-{
-	struct rtl8139_private *np = netdev_priv(dev);
-	void __iomem *ioaddr = np->mmio_addr;
-
-	spin_lock_irq(&np->lock);
-	if (rtl_chip_info[np->chipset].flags & HasLWake) {
-		u8 cfg3 = RTL_R8 (Config3);
-		u8 cfg5 = RTL_R8 (Config5);
-
-		wol->supported = WAKE_PHY | WAKE_MAGIC
-			| WAKE_UCAST | WAKE_MCAST | WAKE_BCAST;
-
-		wol->wolopts = 0;
-		if (cfg3 & Cfg3_LinkUp)
-			wol->wolopts |= WAKE_PHY;
-		if (cfg3 & Cfg3_Magic)
-			wol->wolopts |= WAKE_MAGIC;
-		/* (KON)FIXME: See how netdev_set_wol() handles the
-		   following constants.  */
-		if (cfg5 & Cfg5_UWF)
-			wol->wolopts |= WAKE_UCAST;
-		if (cfg5 & Cfg5_MWF)
-			wol->wolopts |= WAKE_MCAST;
-		if (cfg5 & Cfg5_BWF)
-			wol->wolopts |= WAKE_BCAST;
-	}
-	spin_unlock_irq(&np->lock);
-}
-
-
-/* Set the ethtool Wake-on-LAN settings.  Return 0 or -errno.  Assumes
-   that wol points to kernel memory and other threads or interrupts
-   aren't messing with the 8139.  */
-static int rtl8139_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
-{
-	struct rtl8139_private *np = netdev_priv(dev);
-	void __iomem *ioaddr = np->mmio_addr;
-	u32 support;
-	u8 cfg3, cfg5;
-
-	support = ((rtl_chip_info[np->chipset].flags & HasLWake)
-		   ? (WAKE_PHY | WAKE_MAGIC
-		      | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST)
-		   : 0);
-	if (wol->wolopts & ~support)
-		return -EINVAL;
-
-	spin_lock_irq(&np->lock);
-	cfg3 = RTL_R8 (Config3) & ~(Cfg3_LinkUp | Cfg3_Magic);
-	if (wol->wolopts & WAKE_PHY)
-		cfg3 |= Cfg3_LinkUp;
-	if (wol->wolopts & WAKE_MAGIC)
-		cfg3 |= Cfg3_Magic;
-	RTL_W8 (Cfg9346, Cfg9346_Unlock);
-	RTL_W8 (Config3, cfg3);
-	RTL_W8 (Cfg9346, Cfg9346_Lock);
-
-	cfg5 = RTL_R8 (Config5) & ~(Cfg5_UWF | Cfg5_MWF | Cfg5_BWF);
-	/* (KON)FIXME: These are untested.  We may have to set the
-	   CRC0, Wakeup0 and LSBCRC0 registers too, but I have no
-	   documentation.  */
-	if (wol->wolopts & WAKE_UCAST)
-		cfg5 |= Cfg5_UWF;
-	if (wol->wolopts & WAKE_MCAST)
-		cfg5 |= Cfg5_MWF;
-	if (wol->wolopts & WAKE_BCAST)
-		cfg5 |= Cfg5_BWF;
-	RTL_W8 (Config5, cfg5);	/* need not unlock via Cfg9346 */
-	spin_unlock_irq(&np->lock);
-
-	return 0;
-}
-
-static void rtl8139_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
-{
-	struct rtl8139_private *np = netdev_priv(dev);
-	strcpy(info->driver, DRV_NAME);
-	strcpy(info->version, DRV_VERSION);
-	strcpy(info->bus_info, pci_name(np->pci_dev));
-	info->regdump_len = np->regs_len;
-}
-
-static int rtl8139_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
-	struct rtl8139_private *np = netdev_priv(dev);
-	spin_lock_irq(&np->lock);
-	mii_ethtool_gset(&np->mii, cmd);
-	spin_unlock_irq(&np->lock);
-	return 0;
-}
-
-static int rtl8139_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
-	struct rtl8139_private *np = netdev_priv(dev);
-	int rc;
-	spin_lock_irq(&np->lock);
-	rc = mii_ethtool_sset(&np->mii, cmd);
-	spin_unlock_irq(&np->lock);
-	return rc;
-}
-
-static int rtl8139_nway_reset(struct net_device *dev)
-{
-	struct rtl8139_private *np = netdev_priv(dev);
-	return mii_nway_restart(&np->mii);
-}
-
-static u32 rtl8139_get_link(struct net_device *dev)
-{
-	struct rtl8139_private *np = netdev_priv(dev);
-	return mii_link_ok(&np->mii);
-}
-
-static u32 rtl8139_get_msglevel(struct net_device *dev)
-{
-	struct rtl8139_private *np = netdev_priv(dev);
-	return np->msg_enable;
-}
-
-static void rtl8139_set_msglevel(struct net_device *dev, u32 datum)
-{
-	struct rtl8139_private *np = netdev_priv(dev);
-	np->msg_enable = datum;
-}
-
-/* TODO: we are too slack to do reg dumping for pio, for now */
-#ifdef CONFIG_8139TOO_PIO
-#define rtl8139_get_regs_len	NULL
-#define rtl8139_get_regs	NULL
-#else
-static int rtl8139_get_regs_len(struct net_device *dev)
-{
-	struct rtl8139_private *np = netdev_priv(dev);
-	return np->regs_len;
-}
-
-static void rtl8139_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf)
-{
-	struct rtl8139_private *np = netdev_priv(dev);
-
-	regs->version = RTL_REGS_VER;
-
-	spin_lock_irq(&np->lock);
-	memcpy_fromio(regbuf, np->mmio_addr, regs->len);
-	spin_unlock_irq(&np->lock);
-}
-#endif /* CONFIG_8139TOO_MMIO */
-
-static int rtl8139_get_stats_count(struct net_device *dev)
-{
-	return RTL_NUM_STATS;
-}
-
-static void rtl8139_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data)
-{
-	struct rtl8139_private *np = netdev_priv(dev);
-
-	data[0] = np->xstats.early_rx;
-	data[1] = np->xstats.tx_buf_mapped;
-	data[2] = np->xstats.tx_timeouts;
-	data[3] = np->xstats.rx_lost_in_ring;
-}
-
-static void rtl8139_get_strings(struct net_device *dev, u32 stringset, u8 *data)
-{
-	memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
-}
-
-static struct ethtool_ops rtl8139_ethtool_ops = {
-	.get_drvinfo		= rtl8139_get_drvinfo,
-	.get_settings		= rtl8139_get_settings,
-	.set_settings		= rtl8139_set_settings,
-	.get_regs_len		= rtl8139_get_regs_len,
-	.get_regs		= rtl8139_get_regs,
-	.nway_reset		= rtl8139_nway_reset,
-	.get_link		= rtl8139_get_link,
-	.get_msglevel		= rtl8139_get_msglevel,
-	.set_msglevel		= rtl8139_set_msglevel,
-	.get_wol		= rtl8139_get_wol,
-	.set_wol		= rtl8139_set_wol,
-	.get_strings		= rtl8139_get_strings,
-	.get_stats_count	= rtl8139_get_stats_count,
-	.get_ethtool_stats	= rtl8139_get_ethtool_stats,
-};
-
-static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
-	struct rtl8139_private *np = netdev_priv(dev);
-	int rc;
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-    if (dev == rtl_ec_net_dev || !netif_running(dev))
-        return -EINVAL;
-
-    /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	spin_lock_irq(&np->lock);
-	rc = generic_mii_ioctl(&np->mii, if_mii(rq), cmd, NULL);
-	spin_unlock_irq(&np->lock);
-
-	return rc;
-}
-
-
-static struct net_device_stats *rtl8139_get_stats (struct net_device *dev)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-	void __iomem *ioaddr = tp->mmio_addr;
-	unsigned long flags;
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	if (dev == rtl_ec_net_dev || netif_running(dev)) {
-        spin_lock_irqsave (&tp->lock, flags);
-        tp->stats.rx_missed_errors += RTL_R32 (RxMissed);
-        RTL_W32 (RxMissed, 0);
-        spin_unlock_irqrestore (&tp->lock, flags);
-	}
-
-    /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	return &tp->stats;
-}
-
-/* Set or clear the multicast filter for this adaptor.
-   This routine is not state sensitive and need not be SMP locked. */
-
-static void __set_rx_mode (struct net_device *dev)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-	void __iomem *ioaddr = tp->mmio_addr;
-	u32 mc_filter[2];	/* Multicast hash filter */
-	int i, rx_mode;
-	u32 tmp;
-
-	DPRINTK ("%s:   rtl8139_set_rx_mode(%4.4x) done -- Rx config %8.8lx.\n",
-			dev->name, dev->flags, RTL_R32 (RxConfig));
-
-	/* Note: do not reorder, GCC is clever about common statements. */
-	if (dev->flags & IFF_PROMISC) {
-		/* Unconditionally log net taps. */
-		printk (KERN_NOTICE "%s: Promiscuous mode enabled.\n",
-			dev->name);
-		rx_mode =
-		    AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
-		    AcceptAllPhys;
-		mc_filter[1] = mc_filter[0] = 0xffffffff;
-	} else if ((dev->mc_count > multicast_filter_limit)
-		   || (dev->flags & IFF_ALLMULTI)) {
-		/* Too many to filter perfectly -- accept all multicasts. */
-		rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
-		mc_filter[1] = mc_filter[0] = 0xffffffff;
-	} else {
-		struct dev_mc_list *mclist;
-		rx_mode = AcceptBroadcast | AcceptMyPhys;
-		mc_filter[1] = mc_filter[0] = 0;
-		for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count;
-		     i++, mclist = mclist->next) {
-			int bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) >> 26;
-
-			mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
-			rx_mode |= AcceptMulticast;
-		}
-	}
-
-	/* We can safely update without stopping the chip. */
-	tmp = rtl8139_rx_config | rx_mode;
-	if (tp->rx_config != tmp) {
-		RTL_W32_F (RxConfig, tmp);
-		tp->rx_config = tmp;
-	}
-	RTL_W32_F (MAR0 + 0, mc_filter[0]);
-	RTL_W32_F (MAR0 + 4, mc_filter[1]);
-}
-
-static void rtl8139_set_rx_mode (struct net_device *dev)
-{
-	unsigned long flags;
-	struct rtl8139_private *tp = netdev_priv(dev);
-
-        spin_lock_irqsave (&tp->lock, flags);
-        __set_rx_mode(dev);
-        spin_unlock_irqrestore (&tp->lock, flags);
-}
-
-#ifdef CONFIG_PM
-
-static int rtl8139_suspend (struct pci_dev *pdev, pm_message_t state)
-{
-	struct net_device *dev = pci_get_drvdata (pdev);
-	struct rtl8139_private *tp = netdev_priv(dev);
-	void __iomem *ioaddr = tp->mmio_addr;
-	unsigned long flags;
-
-	pci_save_state (pdev);
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	if (dev == rtl_ec_net_dev || !netif_running (dev))
-        return 0;
-
-    /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	netif_device_detach (dev);
-
-	spin_lock_irqsave (&tp->lock, flags);
-
-	/* Disable interrupts, stop Tx and Rx. */
-	RTL_W16 (IntrMask, 0);
-	RTL_W8 (ChipCmd, 0);
-
-	/* Update the error counts. */
-	tp->stats.rx_missed_errors += RTL_R32 (RxMissed);
-	RTL_W32 (RxMissed, 0);
-
-	spin_unlock_irqrestore (&tp->lock, flags);
-
-	pci_set_power_state (pdev, PCI_D3hot);
-
-	return 0;
-}
-
-
-static int rtl8139_resume (struct pci_dev *pdev)
-{
-	struct net_device *dev = pci_get_drvdata (pdev);
-
-	pci_restore_state (pdev);
-
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	if (dev == rtl_ec_net_dev || !netif_running (dev))
-        return 0;
-
-    /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	pci_set_power_state (pdev, PCI_D0);
-	rtl8139_init_ring (dev);
-	rtl8139_hw_start (dev);
-	netif_device_attach (dev);
-	return 0;
-}
-
-#endif /* CONFIG_PM */
-
-
-static struct pci_driver rtl8139_pci_driver = {
-	.name		= DRV_NAME,
-	.id_table	= rtl8139_pci_tbl,
-	.probe		= rtl8139_init_one,
-	.remove		= __devexit_p(rtl8139_remove_one),
-#ifdef CONFIG_PM
-	.suspend	= rtl8139_suspend,
-	.resume		= rtl8139_resume,
-#endif /* CONFIG_PM */
-};
-
-
-static int __init rtl8139_init_module (void)
-{
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-    printk(KERN_INFO RTL8139_DRIVER_NAME "\n");
-    printk(KERN_INFO "ec_device_index is %i\n", ec_device_index);
-
-    if (pci_module_init(&rtl8139_pci_driver) < 0) {
-        printk(KERN_ERR "Failed to init PCI module.\n");
-        goto out_return;
-    }
-
-    if (rtl_ec_net_dev) {
-        printk(KERN_INFO "Registering EtherCAT device...\n");
-        if (!(rtl_ec_dev = ecdev_register(ec_device_master_index,
-                                          rtl_ec_net_dev, rtl8139_interrupt,
-                                          THIS_MODULE))) {
-            printk(KERN_ERR "Failed to register EtherCAT device!\n");
-            goto out_pci;
-        }
-
-        printk(KERN_INFO "Starting EtherCAT device...\n");
-        if (ecdev_start(ec_device_master_index)) {
-            printk(KERN_ERR "Failed to start EtherCAT device!\n");
-            goto out_unregister;
-        }
-    } else {
-        printk(KERN_WARNING "No EtherCAT device registered!\n");
-    }
-
-    return 0;
-
- out_unregister:
-    ecdev_unregister(ec_device_master_index, rtl_ec_dev);
- out_pci:
-    pci_unregister_driver(&rtl8139_pci_driver);
- out_return:
-    return -1;
-
-    /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-}
-
-
-static void __exit rtl8139_cleanup_module (void)
-{
-    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-    printk(KERN_INFO "Cleaning up RTL8139-EtherCAT module...\n");
-
-    if (rtl_ec_net_dev) {
-        printk(KERN_INFO "Stopping device...\n");
-        ecdev_stop(ec_device_master_index);
-        printk(KERN_INFO "Unregistering device...\n");
-        ecdev_unregister(ec_device_master_index, rtl_ec_dev);
-        rtl_ec_dev = NULL;
-    }
-
-    pci_unregister_driver(&rtl8139_pci_driver);
-
-    printk(KERN_INFO "RTL8139-EtherCAT module cleaned up.\n");
-
-    /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-}
-
-
-module_init(rtl8139_init_module);
-module_exit(rtl8139_cleanup_module);