Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
authorFlorian Pose <fp@igh-essen.com>
Tue, 17 Jan 2006 18:28:15 +0000
changeset 54 7506e67dd122
parent 53 6b3b8acb71b5
child 55 059a9e712aa7
Vereinheitlichte Schnittstellen, Include-Verzeichnis und Module getrennt.
Makefile
devices/8139too.c
devices/Makefile
devices/original_8139too.c
drivers/8139too.c
drivers/EtherCAT.h
drivers/Makefile
drivers/ec_command.c
drivers/ec_command.h
drivers/ec_device.c
drivers/ec_device.h
drivers/ec_domain.c
drivers/ec_domain.h
drivers/ec_globals.h
drivers/ec_master.c
drivers/ec_master.h
drivers/ec_module.c
drivers/ec_module.h
drivers/ec_slave.c
drivers/ec_slave.h
drivers/ec_types.c
drivers/ec_types.h
drivers/original_8139too.c
include/EtherCAT_dev.h
include/EtherCAT_rt.h
master/Makefile
master/command.c
master/command.h
master/device.c
master/device.h
master/domain.c
master/domain.h
master/globals.h
master/master.c
master/master.h
master/module.c
master/slave.c
master/slave.h
master/types.c
master/types.h
mini/Makefile
mini/ec_mini.c
mini/mini.c
rt/msr_module.c
--- a/Makefile	Fri Jan 13 15:47:44 2006 +0000
+++ b/Makefile	Tue Jan 17 18:28:15 2006 +0000
@@ -13,7 +13,7 @@
 #------------------------------------------------------------------------------
 # Kbuild-Abschnitt
 
-obj-m := drivers/ rt/ mini/
+obj-m := master/ devices/ rt/ mini/
 
 #------------------------------------------------------------------------------
 
@@ -38,10 +38,6 @@
 	@echo "# EtherCAT Konfigurationsdatei Kernel 2.6" > $(CONFIG_FILE)
 	@echo >> $(CONFIG_FILE)
 	@echo "KERNELDIR = /usr/src/linux" >> $(CONFIG_FILE)
-	@echo "RTAIDIR   =" >> $(CONFIG_FILE)
-	@echo "RTLIBDIR  =" >> $(CONFIG_FILE)
-	@echo >> $(CONFIG_FILE)
-	@echo "MAKE_RT    = yes" >> $(CONFIG_FILE)
 	@echo >> $(CONFIG_FILE)
 	@echo "$(CONFIG_FILE) erstellt."
 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devices/8139too.c	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,3016 @@
+/******************************************************************************
+ *
+ *  drv_8139too.c
+ *
+ *  EtherCAT-Treiber für RTL8139-kompatible Netzwerkkarten.
+ *
+ *  Autoren: Wilhelm Hagemeister, Florian Pose
+ *
+ *  $Date$
+ *  $Author$
+ *
+ *  (C) Copyright IgH 2005
+ *  Ingenieurgemeinschaft IgH
+ *  Heinz-Bäcker Str. 34
+ *  D-45356 Essen
+ *  Tel.: +49 201/61 99 31
+ *  Fax.: +49 201/61 98 36
+ *  E-mail: sp@igh-essen.com
+ *
+ ******************************************************************************/
+
+/*
+	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	"8139too_ec"
+#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 "../include/EtherCAT_dev.h"
+
+#define LIT(X) #X
+#define STR(X) LIT(X)
+
+#define COMPILE_INFO "Revision " STR(EC_REV) \
+                     ", compiled by " STR(EC_USER) \
+                     " at " STR(EC_DATE)
+
+/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
+
+#define RTL8139_DRIVER_NAME   DRV_NAME " Fast Ethernet driver " DRV_VERSION
+#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 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
+
+// Uncomment for debugging
+//#define EC_DEBUG
+
+// Device index for EtherCAT device selection
+static int ec_device_index = -1;
+static int ec_device_master_index = 0;
+
+static ec_device_t *rtl_ec_dev;
+int rtl_ec_dev_registered = 0;
+
+/* 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,}
+};
+MODULE_DEVICE_TABLE (pci, rtl8139_pci_tbl);
+
+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 ("Wilhelm Hagemeister <hm@igh-essen.com>, Florian Pose <fp@igh-essen.com>");
+MODULE_DESCRIPTION ("RealTek RTL-8139 Fast Ethernet driver with EtherCAT functionality");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(COMPILE_INFO);
+
+/* 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)
+    {
+          printk(KERN_INFO "Registering EtherCAT device...\n");
+          rtl_ec_dev = EtherCAT_dev_register(ec_device_master_index, dev,
+                                             rtl8139_interrupt, THIS_MODULE);
+
+          if (rtl_ec_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 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
+
+	/* EtherCAT-Karten nicht beim Stack anmelden. */
+    if (!EtherCAT_dev_is_ec(rtl_ec_dev, 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 (!EtherCAT_dev_is_ec(rtl_ec_dev, 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 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
+
+#ifdef EC_DEBUG
+        printk(KERN_DEBUG "%s: open\n", dev->name);
+#endif
+
+        if (!EtherCAT_dev_is_ec(rtl_ec_dev, 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 (!EtherCAT_dev_is_ec(rtl_ec_dev, 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 (!EtherCAT_dev_is_ec(rtl_ec_dev, 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);
+
+	if (tp->phys[0] >= 0) {
+		mii_check_media(&tp->mii, netif_msg_link(tp), init_media);
+	}
+}
+
+/* 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 (!EtherCAT_dev_is_ec(rtl_ec_dev, 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++;
+
+        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
+
+        printk(KERN_DEBUG "%s: tx_timeout\n", dev->name);
+
+        if (EtherCAT_dev_is_ec(rtl_ec_dev, dev))
+        {
+          EtherCAT_dev_state(rtl_ec_dev, EC_DEVICE_STATE_TIMEOUT);
+        }
+
+	/* disable Tx ASAP, if not already */
+	tmp8 = RTL_R8 (ChipCmd);
+	if (tmp8 & CmdTxEnb)
+                RTL_W8 (ChipCmd, CmdRxEnb);
+
+        if (!EtherCAT_dev_is_ec(rtl_ec_dev, 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 (!EtherCAT_dev_is_ec(rtl_ec_dev, dev)) dev_kfree_skb(skb);
+	}
+        else
+        {
+                if (!EtherCAT_dev_is_ec(rtl_ec_dev, dev)) dev_kfree_skb(skb);
+                tp->stats.tx_dropped++;
+                return 0;
+	}
+
+	if (!EtherCAT_dev_is_ec(rtl_ec_dev, 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 (!EtherCAT_dev_is_ec(rtl_ec_dev, 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;
+
+	/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
+
+#if 0
+	if (EtherCAT_dev_is_ec(rtl_ec_dev, dev))
+    {
+                rtl_ec_dev.tx_intr_cnt++;
+                rdtscl(rtl_ec_dev.tx_time); // Get CPU cycles
+	}
+#endif
+
+        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
+
+	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++;
+
+                        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
+
+                        if (EtherCAT_dev_is_ec(rtl_ec_dev, dev))
+                        {
+                          EtherCAT_dev_state(rtl_ec_dev, EC_DEVICE_STATE_ERROR);
+                        }
+
+                        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
+
+		} 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 (!EtherCAT_dev_is_ec(rtl_ec_dev, 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 (!EtherCAT_dev_is_ec(rtl_ec_dev, 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++;
+	}
+
+        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
+
+        if (EtherCAT_dev_is_ec(rtl_ec_dev, dev))
+        {
+          EtherCAT_dev_state(rtl_ec_dev, EC_DEVICE_STATE_ERROR);
+        }
+
+        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
+
+#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 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
+#if 0
+	if (EtherCAT_dev_is_ec(rtl_ec_dev, dev))
+	{
+                rtl_ec_dev.rx_intr_cnt++;
+                rdtscl(rtl_ec_dev.rx_time); // Get CPU cycles
+	}
+#endif
+
+        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
+
+	while ((EtherCAT_dev_is_ec(rtl_ec_dev, dev) || netif_running(dev))
+	       && received < budget
+	       && (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) {
+		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 (!EtherCAT_dev_is_ec(rtl_ec_dev, dev) && 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 (!EtherCAT_dev_is_ec(rtl_ec_dev, 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
+                {
+                  if (EtherCAT_dev_receive(rtl_ec_dev,
+                                           &rx_ring[ring_offset + 4] + ETH_HLEN,
+                                           pkt_size - ETH_HLEN) == 0)
+                  {
+                    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 (EtherCAT_dev_is_ec(rtl_ec_dev, dev))
+        {
+#if 0 // FIXME
+                rtl_ec_dev.intr_cnt++;
+#endif
+                status = RTL_R16 (IntrStatus);
+	}
+	else
+        {
+                spin_lock(&tp->lock);
+
+                status = RTL_R16 (IntrStatus);
+
+                if (unlikely((status & rtl8139_intr_mask) == 0))
+                  goto out;
+        }
+
+        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
+
+	handled = 1;
+
+	/* h/w no longer present (hotplug?) or major error, bail */
+	if (unlikely(status == 0xFFFF))
+		goto out;
+
+        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
+
+	if (!EtherCAT_dev_is_ec(rtl_ec_dev, 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 (!EtherCAT_dev_is_ec(rtl_ec_dev, dev))
+          {
+            /* Polling vormerken */
+            if (netif_rx_schedule_prep(dev)) {
+              RTL_W16_F (IntrMask, rtl8139_norx_intr_mask);
+              __netif_rx_schedule (dev);
+            }
+          }
+          else
+          {
+            /* Beim EtherCAT-Device einfach alle Frames empfangen */
+            rtl8139_rx(dev, tp, 100); // FIXME Das ist echt dirty...
+          }
+	}
+
+        /* 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 (!EtherCAT_dev_is_ec(rtl_ec_dev, 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 (!EtherCAT_dev_is_ec(rtl_ec_dev, 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 (EtherCAT_dev_is_ec(rtl_ec_dev, 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 (EtherCAT_dev_is_ec(rtl_ec_dev, 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 (EtherCAT_dev_is_ec(rtl_ec_dev, 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 (EtherCAT_dev_is_ec(rtl_ec_dev, 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)
+{
+	/* when we're a module, we always print a version message,
+	 * even if no 8139 board is found.
+	 */
+#ifdef MODULE
+	printk (KERN_INFO RTL8139_DRIVER_NAME "\n");
+#endif
+
+    /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
+
+    printk(KERN_INFO "Initializing RTL8139-EtherCAT module. %s\n", COMPILE_INFO);
+    printk(KERN_INFO "EtherCAT device index is %i.\n", ec_device_index);
+
+    if (pci_module_init(&rtl8139_pci_driver) < 0)
+    {
+      printk(KERN_ERR "Could not init PCI module.\n");
+      goto out_ec_dev;
+    }
+
+    if (!rtl_ec_dev)
+    {
+      printk(KERN_WARNING "NO EtherCAT device registered!\n");
+    }
+
+    return 0;
+
+ out_ec_dev:
+    if (rtl_ec_dev) {
+      printk(KERN_INFO "Unregistering RTL8139-EtherCAT device...\n");
+      EtherCAT_dev_unregister(ec_device_master_index);
+      rtl_ec_dev = NULL;
+    }
+
+    return -1;
+
+    /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
+}
+
+
+static void __exit rtl8139_cleanup_module (void)
+{
+  /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
+
+  printk(KERN_INFO "Cleaning up RTL8139-EtherCAT module...\n");
+
+  if (rtl_ec_dev) {
+    printk(KERN_INFO "Unregistering RTL8139-EtherCAT device...\n");
+    EtherCAT_dev_unregister(ec_device_master_index);
+    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);
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devices/Makefile	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,46 @@
+#------------------------------------------------------------------------------
+#
+#  Makefile
+#
+#  IgH EtherCAT-Treiber - EtherCAT Geraete
+#
+#  $Id$
+#
+#------------------------------------------------------------------------------
+
+ifneq ($(KERNELRELEASE),)
+
+#------------------------------------------------------------------------------
+# Kbuild-Abschnitt
+
+obj-m := ec_8139too.o
+
+ec_8139too-objs := 8139too.o
+
+REV = `svnversion $(src)`
+DATE = `date`
+
+EXTRA_CFLAGS = -DEC_REV="$(REV)" -DEC_USER="$(USER)" -DEC_DATE="$(DATE)"
+
+#------------------------------------------------------------------------------
+
+else
+
+#------------------------------------------------------------------------------
+# Default-Abschnitt
+
+ifneq ($(wildcard ethercat.conf),)
+include ethercat.conf
+else
+KERNELDIR = /lib/modules/`uname -r`/build
+endif
+
+modules:
+	$(MAKE) -C $(KERNELDIR) M=`pwd` modules
+
+clean:
+	$(MAKE) -C $(KERNELDIR) M=`pwd` clean
+
+#------------------------------------------------------------------------------
+
+endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devices/original_8139too.c	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,2646 @@
+/*
+
+	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	"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>
+
+#define RTL8139_DRIVER_NAME   DRV_NAME " Fast Ethernet driver " DRV_VERSION
+#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;
+
+/*
+ * 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,}
+};
+MODULE_DEVICE_TABLE (pci, rtl8139_pci_tbl);
+
+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;
+};
+
+MODULE_AUTHOR ("Jeff Garzik <jgarzik@pobox.com>");
+MODULE_DESCRIPTION ("RealTek RTL-8139 Fast Ethernet driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
+
+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)");
+
+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);
+static int rtl8139_poll(struct net_device *dev, int *budget);
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void rtl8139_poll_controller(struct net_device *dev);
+#endif
+static 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);
+
+	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 */
+	DPRINTK("about to register device named %s (%p)...\n", dev->name, dev);
+	i = register_netdev (dev);
+	if (i) goto err_out;
+
+	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);
+
+	unregister_netdev (dev);
+
+	__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;
+
+	retval = request_irq (dev->irq, rtl8139_interrupt, SA_SHIRQ, dev->name, dev);
+	if (retval)
+		return retval;
+
+	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) {
+		free_irq(dev->irq, dev);
+
+		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);
+	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);
+
+	return 0;
+}
+
+
+static void rtl_check_media (struct net_device *dev, unsigned int init_media)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+
+	if (tp->phys[0] >= 0) {
+		mii_check_media(&tp->mii, netif_msg_link(tp), init_media);
+	}
+}
+
+/* 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);
+
+	/* Enable all known interrupts by setting the interrupt mask. */
+	RTL_W16 (IntrMask, rtl8139_intr_mask);
+}
+
+
+/* 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);
+
+	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);
+}
+
+
+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;
+
+	/* 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]);
+		dev_kfree_skb(skb);
+	} else {
+		dev_kfree_skb(skb);
+		tp->stats.tx_dropped++;
+		return 0;
+	}
+
+	spin_lock_irq(&tp->lock);
+	RTL_W32_F (TxStatus0 + (entry * sizeof (u32)),
+		   tp->tx_flag | max(len, (unsigned int)ETH_ZLEN));
+
+	dev->trans_start = jiffies;
+
+	tp->cur_tx++;
+	wmb();
+
+	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);
+
+	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--;
+	}
+
+#ifndef RTL8139_NDEBUG
+	if (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 */
+
+	/* 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();
+		netif_wake_queue (dev);
+	}
+}
+
+
+/* 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));
+
+	while (netif_running(dev) && received < budget 
+	       && (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) {
+		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;
+
+		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);
+#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;
+		}
+
+		/* 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++;
+		}
+		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);
+	}
+}
+
+static 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. */
+static 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;
+
+	spin_lock (&tp->lock);
+	status = RTL_R16 (IntrStatus);
+
+	/* shared irq? */
+	if (unlikely((status & rtl8139_intr_mask) == 0)) 
+		goto out;
+
+	handled = 1;
+
+	/* h/w no longer present (hotplug?) or major error, bail */
+	if (unlikely(status == 0xFFFF)) 
+		goto out;
+
+	/* close possible race's with dev_close */
+	if (unlikely(!netif_running(dev))) {
+		RTL_W16 (IntrMask, 0);
+		goto out;
+	}
+
+	/* 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. */
+	if (status & RxAckBits){
+		if (netif_rx_schedule_prep(dev)) {
+			RTL_W16_F (IntrMask, rtl8139_norx_intr_mask);
+			__netif_rx_schedule (dev);
+		}
+	}
+
+	/* 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:
+	spin_unlock (&tp->lock);
+
+	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;
+
+	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);
+
+	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;
+
+	if (!netif_running(dev))
+		return -EINVAL;
+
+	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;
+
+	if (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);
+	}
+
+	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);
+
+	if (!netif_running (dev))
+		return 0;
+
+	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);
+	if (!netif_running (dev))
+		return 0;
+	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)
+{
+	/* when we're a module, we always print a version message,
+	 * even if no 8139 board is found.
+	 */
+#ifdef MODULE
+	printk (KERN_INFO RTL8139_DRIVER_NAME "\n");
+#endif
+
+	return pci_module_init (&rtl8139_pci_driver);
+}
+
+
+static void __exit rtl8139_cleanup_module (void)
+{
+	pci_unregister_driver (&rtl8139_pci_driver);
+}
+
+
+module_init(rtl8139_init_module);
+module_exit(rtl8139_cleanup_module);
--- a/drivers/8139too.c	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,3045 +0,0 @@
-/******************************************************************************
- *
- *  drv_8139too.c
- *
- *  EtherCAT-Treiber für RTL8139-kompatible Netzwerkkarten.
- *
- *  Autoren: Wilhelm Hagemeister, Florian Pose
- *
- *  $Date$
- *  $Author$
- *
- *  (C) Copyright IgH 2005
- *  Ingenieurgemeinschaft IgH
- *  Heinz-Bäcker Str. 34
- *  D-45356 Essen
- *  Tel.: +49 201/61 99 31
- *  Fax.: +49 201/61 98 36
- *  E-mail: sp@igh-essen.com
- *
- ******************************************************************************/
-
-/*
-	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	"8139too_ecat"
-#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 "ec_device.h"
-#include "ec_master.h"
-#include "ec_module.h"
-
-#define LITERAL(X) #X
-#define STRINGIFY(X) LITERAL(X)
-
-#define COMPILE_INFO "Revision " STRINGIFY(EC_REV) \
-                     ", compiled by " STRINGIFY(EC_USER) \
-                     " at " STRINGIFY(EC_DATE)
-
-/* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-#define RTL8139_DRIVER_NAME   DRV_NAME " Fast Ethernet driver " DRV_VERSION
-#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 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-// Uncomment for debugging
-//#define ECAT_DEBUG
-
-// Device index for EtherCAT device selection
-static int ec_device_index = -1;
-static int ec_device_master_index = 0;
-
-static EtherCAT_device_t rtl_ecat_dev;
-int rtl_ecat_dev_registered = 0;
-
-/* 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,}
-};
-MODULE_DEVICE_TABLE (pci, rtl8139_pci_tbl);
-
-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 ("Wilhelm Hagemeister <hm@igh-essen.com>, Florian Pose <fp@igh-essen.com>");
-MODULE_DESCRIPTION ("RealTek RTL-8139 Fast Ethernet driver with EtherCAT functionality");
-MODULE_LICENSE("GPL");
-MODULE_VERSION(COMPILE_INFO);
-
-/* 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)
-        {
-                printk("EtherCAT registering board %d.\n", board_idx);
-
-                if (EtherCAT_device_assign(&rtl_ecat_dev, dev) < 0)
-                  goto err_out;
-
-                strcpy(dev->name,"ecat0"); //device name überschreiben
-	}
-
-	/* 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 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	/* EtherCAT-Karten nicht beim Stack anmelden. */
-        if (dev != rtl_ecat_dev.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_ecat_dev.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 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-#ifdef ECAT_DEBUG
-        printk(KERN_DEBUG "%s: open\n", dev->name);
-#endif
-
-        if (dev != rtl_ecat_dev.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_ecat_dev.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_ecat_dev.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);
-
-	if (tp->phys[0] >= 0) {
-		mii_check_media(&tp->mii, netif_msg_link(tp), init_media);
-	}
-}
-
-/* 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_ecat_dev.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++;
-
-        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-        printk(KERN_DEBUG "%s: tx_timeout\n", dev->name);
-
-        if (dev == rtl_ecat_dev.dev)
-        {
-                if (rtl_ecat_dev.state != ECAT_DS_SENT)
-                {
-                        printk(KERN_WARNING "EtherCAT: Wrong status at timeout: %i\n",
-                               rtl_ecat_dev.state);
-                }
-
-                rtl_ecat_dev.state = ECAT_DS_TIMEOUT;
-        }
-
-	/* disable Tx ASAP, if not already */
-	tmp8 = RTL_R8 (ChipCmd);
-	if (tmp8 & CmdTxEnb)
-                RTL_W8 (ChipCmd, CmdRxEnb);
-
-        if (dev != rtl_ecat_dev.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_ecat_dev.dev) dev_kfree_skb(skb);
-	}
-        else
-        {
-                if (dev != rtl_ecat_dev.dev) dev_kfree_skb(skb);
-                tp->stats.tx_dropped++;
-                return 0;
-	}
-
-	if (dev != rtl_ecat_dev.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_ecat_dev.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;
-
-	/* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	if (dev == rtl_ecat_dev.dev)
-        {
-                rtl_ecat_dev.tx_intr_cnt++;
-                rdtscl(rtl_ecat_dev.tx_time); // Get CPU cycles
-	}
-
-        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	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++;
-
-                        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-                        if (dev == rtl_ecat_dev.dev)
-                        {
-                                rtl_ecat_dev.state = ECAT_DS_ERROR;
-                        }
-
-                        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-		} 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_ecat_dev.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_ecat_dev.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++;
-	}
-
-        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-        if (dev == rtl_ecat_dev.dev)
-        {
-                rtl_ecat_dev.state = ECAT_DS_ERROR;
-        }
-
-        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-#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 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	if (dev == rtl_ecat_dev.dev)
-	{
-                rtl_ecat_dev.rx_intr_cnt++;
-                rdtscl(rtl_ecat_dev.rx_time); // Get CPU cycles
-	}
-
-        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	while ((dev == rtl_ecat_dev.dev || netif_running(dev))
-	       && received < budget
-	       && (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) {
-		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_ecat_dev.dev && 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_ecat_dev.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
-                {
-                        if (rtl_ecat_dev.state != ECAT_DS_SENT)
-                        {
-                                printk(KERN_WARNING "EtherCAT: Received frame while not in SENT state!\n");
-                        }
-                        else
-                        {
-                                // Copy received data to ethercat-device buffer, skip Ethernet-II header
-                                memcpy(rtl_ecat_dev.rx_data, &rx_ring[ring_offset + 4] + ETH_HLEN,
-                                       pkt_size - ETH_HLEN);
-                                rtl_ecat_dev.rx_data_length = pkt_size - ETH_HLEN;
-
-                                rtl_ecat_dev.state = ECAT_DS_RECEIVED;
-
-                                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_ecat_dev.dev)
-        {
-                rtl_ecat_dev.intr_cnt++;
-                status = RTL_R16 (IntrStatus);
-	}
-	else
-        {
-                spin_lock(&tp->lock);
-
-                status = RTL_R16 (IntrStatus);
-
-                if (unlikely((status & rtl8139_intr_mask) == 0))
-                  goto out;
-        }
-
-        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-
-	handled = 1;
-
-	/* h/w no longer present (hotplug?) or major error, bail */
-	if (unlikely(status == 0xFFFF))
-		goto out;
-
-        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	if (dev != rtl_ecat_dev.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);
-		//printk("ECAT-NIC ack\n"); //HM
-	}
-
-	/* Receive packets are processed by poll routine.
-	   If not running start it now. */
-
-        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-	if (status & RxAckBits)
-        {
-          if (dev != rtl_ecat_dev.dev)
-          {
-            /* Polling vormerken */
-            if (netif_rx_schedule_prep(dev)) {
-              RTL_W16_F (IntrMask, rtl8139_norx_intr_mask);
-              __netif_rx_schedule (dev);
-            }
-          }
-          else
-          {
-            /* Beim EtherCAT-Device einfach alle Frames empfangen */
-            rtl8139_rx(dev, tp, 100); // FIXME Das ist echt dirty...
-          }
-	}
-
-        /* 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_ecat_dev.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_ecat_dev.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_ecat_dev.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_ecat_dev.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_ecat_dev.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_ecat_dev.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)
-{
-	/* when we're a module, we always print a version message,
-	 * even if no 8139 board is found.
-	 */
-#ifdef MODULE
-	printk (KERN_INFO RTL8139_DRIVER_NAME "\n");
-#endif
-
-        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-        printk(KERN_INFO "Initializing RTL8139-EtherCAT module. %s\n", COMPILE_INFO);
-
-        EtherCAT_device_init(&rtl_ecat_dev);
-        rtl_ecat_dev.isr = rtl8139_interrupt;
-        rtl_ecat_dev.module = THIS_MODULE;
-
-        if (pci_module_init(&rtl8139_pci_driver) < 0)
-        {
-          printk(KERN_ERR "Could not init PCI module.\n");
-          return -1;
-        }
-
-        printk(KERN_INFO "EtherCAT device index is %i.\n", ec_device_index);
-
-        if (rtl_ecat_dev.dev)
-        {
-          printk(KERN_INFO "Registering EtherCAT device...\n");
-          if (EtherCAT_register_device(ec_device_master_index, &rtl_ecat_dev) < 0)
-          {
-            printk(KERN_ERR "Could not register device.\n");
-            goto out_module;
-          }
-
-          rtl_ecat_dev_registered = 1;
-
-          printk(KERN_INFO "EtherCAT device registered and opened.\n");
-        }
-        else
-        {
-          printk(KERN_WARNING "NO EtherCAT device registered!\n");
-        }
-
-        return 0;
-
-      out_module:
-
-        pci_unregister_driver(&rtl8139_pci_driver);
-        return -1;
-
-        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-}
-
-
-static void __exit rtl8139_cleanup_module (void)
-{
-        /* EtherCAT >>>>>>>>>>>>>>>>>>>>>>>>>>>>*/
-
-        printk(KERN_INFO "Cleaning up RTL8139-EtherCAT module...\n");
-
-        if (rtl_ecat_dev_registered && rtl_ecat_dev.dev)
-        {
-          printk(KERN_INFO "Unregistering RTL8139-EtherCAT device...\n");
-          EtherCAT_unregister_device(ec_device_master_index, &rtl_ecat_dev);
-        }
-
-	pci_unregister_driver(&rtl8139_pci_driver);
-        EtherCAT_device_clear(&rtl_ecat_dev);
-
-        printk(KERN_INFO "RTL8139-EtherCAT module cleaned up.\n");
-
-        /* EtherCAT <<<<<<<<<<<<<<<<<<<<<<<<<<<<*/
-}
-
-
-module_init(rtl8139_init_module);
-module_exit(rtl8139_cleanup_module);
--- a/drivers/EtherCAT.h	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,17 +0,0 @@
-/******************************************************************************
- *
- *  E t h e r C A T . h
- *
- *  Header zur Nutzung der EtherCAT-Funktionen.
- *
- *  $Id$
- *
- *****************************************************************************/
-
-#include "../drivers/ec_master.h"
-#include "../drivers/ec_device.h"
-#include "../drivers/ec_types.h"
-#include "../drivers/ec_module.h"
-
-/*****************************************************************************/
-
--- a/drivers/Makefile	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,49 +0,0 @@
-#------------------------------------------------------------------------------
-#
-#  Makefile
-#
-#  IgH EtherCAT-Treiber
-#
-#  $Id$
-#
-#------------------------------------------------------------------------------
-
-ifneq ($(KERNELRELEASE),)
-
-#------------------------------------------------------------------------------
-# Kbuild-Abschnitt
-
-obj-m := 8139too-ecat.o ecat-master.o
-
-8139too-ecat-objs := 8139too.o
-
-ecat-master-objs := ec_module.o ec_master.o ec_device.o ec_slave.o \
-			ec_command.o ec_types.o ec_domain.o
-
-REV = `svnversion $(src)`
-DATE = `date`
-
-EXTRA_CFLAGS = -DEC_REV="$(REV)" -DEC_USER="$(USER)" -DEC_DATE="$(DATE)"
-
-#------------------------------------------------------------------------------
-
-else
-
-#------------------------------------------------------------------------------
-# Default-Abschnitt
-
-ifneq ($(wildcard ethercat.conf),)
-include ethercat.conf
-else
-KERNELDIR = /lib/modules/`uname -r`/build
-endif
-
-modules:
-	$(MAKE) -C $(KERNELDIR) M=`pwd` modules
-
-clean:
-	$(MAKE) -C $(KERNELDIR) M=`pwd` clean
-
-#------------------------------------------------------------------------------
-
-endif
--- a/drivers/ec_command.c	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,263 +0,0 @@
-/******************************************************************************
- *
- *  e c _ c o m m a n d . c
- *
- *  Methoden für ein EtherCAT-Kommando.
- *
- *  $Id$
- *
- *****************************************************************************/
-
-#include <linux/slab.h>
-
-#include "ec_command.h"
-
-/*****************************************************************************/
-
-/**
-   Kommando-Konstruktor.
-
-   Initialisiert alle Variablen innerhalb des Kommandos auf die
-   Default-Werte.
-
-   @param cmd Zeiger auf das zu initialisierende Kommando.
-*/
-
-void EtherCAT_command_init(EtherCAT_command_t *cmd)
-{
-  cmd->type = ECAT_CMD_NONE;
-  cmd->address.logical = 0x00000000;
-  cmd->data_length = 0;
-  cmd->state = ECAT_CS_READY;
-  cmd->index = 0;
-  cmd->working_counter = 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Kommando-Destruktor.
-
-   Setzt alle Attribute auf den Anfangswert zurueck.
-
-   @param cmd Zeiger auf das zu initialisierende Kommando.
-*/
-
-void EtherCAT_command_clear(EtherCAT_command_t *cmd)
-{
-  EtherCAT_command_init(cmd);
-}
-
-/*****************************************************************************/
-
-#define ECAT_FUNC_HEADER \
-  EtherCAT_command_init(cmd)
-
-#define ECAT_FUNC_WRITE_FOOTER \
-  cmd->data_length = length; \
-  memcpy(cmd->data, data, length);
-
-#define ECAT_FUNC_READ_FOOTER \
-  cmd->data_length = length;
-
-/*****************************************************************************/
-
-/**
-   Initialisiert ein EtherCAT-NPRD-Kommando.
-
-   @param cmd Zeiger auf das Kommando
-   @param node_address Adresse des Knotens (Slaves)
-   @param offset Physikalische Speicheradresse im Slave
-   @param length Länge der zu lesenden Daten
-*/
-
-void EtherCAT_command_read(EtherCAT_command_t *cmd,
-                           unsigned short node_address,
-                           unsigned short offset,
-                           unsigned int length)
-{
-  if (unlikely(node_address == 0x0000))
-    printk(KERN_WARNING "EtherCAT: Warning - Using node address 0x0000!\n");
-
-  ECAT_FUNC_HEADER;
-
-  cmd->type = ECAT_CMD_NPRD;
-  cmd->address.phy.dev.node = node_address;
-  cmd->address.phy.mem = offset;
-
-  ECAT_FUNC_READ_FOOTER;
-}
-
-/*****************************************************************************/
-
-/**
-   Initialisiert ein EtherCAT-NPWR-Kommando.
-
-   Alloziert ein "node-adressed physical write"-Kommando
-   und fügt es in die Liste des Masters ein.
-
-   @param cmd Zeiger auf das Kommando
-   @param node_address Adresse des Knotens (Slaves)
-   @param offset Physikalische Speicheradresse im Slave
-   @param length Länge der zu schreibenden Daten
-   @param data Zeiger auf Speicher mit zu schreibenden Daten
-*/
-
-void EtherCAT_command_write(EtherCAT_command_t *cmd,
-                            unsigned short node_address,
-                            unsigned short offset,
-                            unsigned int length,
-                            const unsigned char *data)
-{
-  if (unlikely(node_address == 0x0000))
-    printk(KERN_WARNING "EtherCAT: Warning - Using node address 0x0000!\n");
-
-  ECAT_FUNC_HEADER;
-
-  cmd->type = ECAT_CMD_NPWR;
-  cmd->address.phy.dev.node = node_address;
-  cmd->address.phy.mem = offset;
-
-  ECAT_FUNC_WRITE_FOOTER;
-}
-
-/*****************************************************************************/
-
-/**
-   Initialisiert ein EtherCAT-APRD-Kommando.
-
-   Alloziert ein "autoincerement physical read"-Kommando
-   und fügt es in die Liste des Masters ein.
-
-   @param cmd Zeiger auf das Kommando
-   @param ring_position (Negative) Position des Slaves im Bus
-   @param offset Physikalische Speicheradresse im Slave
-   @param length Länge der zu lesenden Daten
-*/
-
-void EtherCAT_command_position_read(EtherCAT_command_t *cmd,
-                                    short ring_position,
-                                    unsigned short offset,
-                                    unsigned int length)
-{
-  ECAT_FUNC_HEADER;
-
-  cmd->type = ECAT_CMD_APRD;
-  cmd->address.phy.dev.pos = ring_position;
-  cmd->address.phy.mem = offset;
-
-  ECAT_FUNC_READ_FOOTER;
-}
-
-/*****************************************************************************/
-
-/**
-   Initialisiert ein EtherCAT-APWR-Kommando.
-
-   Alloziert ein "autoincrement physical write"-Kommando
-   und fügt es in die Liste des Masters ein.
-
-   @param cmd Zeiger auf das Kommando
-   @param ring_position (Negative) Position des Slaves im Bus
-   @param offset Physikalische Speicheradresse im Slave
-   @param length Länge der zu schreibenden Daten
-   @param data Zeiger auf Speicher mit zu schreibenden Daten
-*/
-
-void EtherCAT_command_position_write(EtherCAT_command_t *cmd,
-                                     short ring_position,
-                                     unsigned short offset,
-                                     unsigned int length,
-                                     const unsigned char *data)
-{
-  ECAT_FUNC_HEADER;
-
-  cmd->type = ECAT_CMD_APWR;
-  cmd->address.phy.dev.pos = ring_position;
-  cmd->address.phy.mem = offset;
-
-  ECAT_FUNC_WRITE_FOOTER;
-}
-
-/*****************************************************************************/
-
-/**
-   Initialisiert ein EtherCAT-BRD-Kommando.
-
-   Alloziert ein "broadcast read"-Kommando
-   und fügt es in die Liste des Masters ein.
-
-   @param cmd Zeiger auf das Kommando
-   @param offset Physikalische Speicheradresse im Slave
-   @param length Länge der zu lesenden Daten
-*/
-
-void EtherCAT_command_broadcast_read(EtherCAT_command_t *cmd,
-                                     unsigned short offset,
-                                     unsigned int length)
-{
-  ECAT_FUNC_HEADER;
-
-  cmd->type = ECAT_CMD_BRD;
-  cmd->address.phy.dev.node = 0x0000;
-  cmd->address.phy.mem = offset;
-
-  ECAT_FUNC_READ_FOOTER;
-}
-
-/*****************************************************************************/
-
-/**
-   Initialisiert ein EtherCAT-BWR-Kommando.
-
-   Alloziert ein "broadcast write"-Kommando
-   und fügt es in die Liste des Masters ein.
-
-   @param cmd Zeiger auf das Kommando
-   @param offset Physikalische Speicheradresse im Slave
-   @param length Länge der zu schreibenden Daten
-   @param data Zeiger auf Speicher mit zu schreibenden Daten
-*/
-
-void EtherCAT_command_broadcast_write(EtherCAT_command_t *cmd,
-                                      unsigned short offset,
-                                      unsigned int length,
-                                      const unsigned char *data)
-{
-  ECAT_FUNC_HEADER;
-
-  cmd->type = ECAT_CMD_BWR;
-  cmd->address.phy.dev.node = 0x0000;
-  cmd->address.phy.mem = offset;
-
-  ECAT_FUNC_WRITE_FOOTER;
-}
-
-/*****************************************************************************/
-
-/**
-   Initialisiert ein EtherCAT-LRW-Kommando.
-
-   Alloziert ein "logical read write"-Kommando
-   und fügt es in die Liste des Masters ein.
-
-   @param cmd Zeiger auf das Kommando
-   @param offset Logische Speicheradresse
-   @param length Länge der zu lesenden/schreibenden Daten
-   @param data Zeiger auf Speicher mit zu lesenden/schreibenden Daten
-*/
-
-void EtherCAT_command_logical_read_write(EtherCAT_command_t *cmd,
-                                         unsigned int offset,
-                                         unsigned int length,
-                                         unsigned char *data)
-{
-  ECAT_FUNC_HEADER;
-
-  cmd->type = ECAT_CMD_LRW;
-  cmd->address.logical = offset;
-
-  ECAT_FUNC_WRITE_FOOTER;
-}
-
-/*****************************************************************************/
--- a/drivers/ec_command.h	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,124 +0,0 @@
-/******************************************************************************
- *
- *  e c _ c o m m a n d . h
- *
- *  Struktur für ein EtherCAT-Kommando.
- *
- *  $Id$
- *
- *****************************************************************************/
-
-#ifndef _EC_COMMAND_H_
-#define _EC_COMMAND_H_
-
-#include "ec_globals.h"
-
-/*****************************************************************************/
-
-/**
-   Status eines EtherCAT-Kommandos.
-*/
-
-typedef enum
-{
-  ECAT_CS_READY, ECAT_CS_SENT, ECAT_CS_RECEIVED
-}
-EtherCAT_command_state_t;
-
-/*****************************************************************************/
-
-/**
-   EtherCAT-Adresse.
-
-   Im EtherCAT-Rahmen sind 4 Bytes für die Adresse reserviert, die
-   ja nach Kommandoty eine andere bedeutung haben: Bei Autoinkrement-
-   befehlen sind die ersten zwei Bytes die (negative)
-   Autoinkrement-Adresse, bei Knoten-adressierten Befehlen entsprechen
-   sie der Knotenadresse. Das dritte und vierte Byte entspricht in
-   diesen Fällen der physikalischen Speicheradresse auf dem Slave.
-   Bei einer logischen Adressierung entsprechen alle vier Bytes
-   der logischen Adresse.
-*/
-
-typedef union
-{
-  struct
-  {
-    union
-    {
-      short pos; /**< (Negative) Ring-Position des Slaves */
-      unsigned short node; /**< Konfigurierte Knotenadresse */
-    }
-    dev;
-
-    unsigned short mem; /**< Physikalische Speicheradresse im Slave */
-  }
-  phy;
-
-  unsigned long logical; /**< Logische Adresse */
-  unsigned char raw[4]; /**< Rohdaten für die Generierung des Frames */
-}
-EtherCAT_address_t;
-
-/*****************************************************************************/
-
-/**
-   EtherCAT-Kommando.
-*/
-
-typedef struct EtherCAT_command
-{
-  EtherCAT_cmd_type_t type; /**< Typ des Kommandos (APRD, NPWR, etc...) */
-  EtherCAT_address_t address; /**< Adresse des/der Empfänger */
-  unsigned int data_length; /**< Länge der zu sendenden und/oder
-                               empfangenen Daten */
-
-  EtherCAT_command_state_t state; /**< Zustand des Kommandos
-                                     (bereit, gesendet, etc...) */
-  unsigned char index; /**< Kommando-Index, mit der das Kommando gesendet
-                          wurde (wird vom Master beim Senden gesetzt. */
-  unsigned int working_counter; /**< Working-Counter bei Empfang (wird
-                                   vom Master gesetzt) */
-
-  unsigned char data[ECAT_FRAME_BUFFER_SIZE]; /**< Kommandodaten */
-}
-EtherCAT_command_t;
-
-/*****************************************************************************/
-
-void EtherCAT_command_init(EtherCAT_command_t *);
-void EtherCAT_command_clear(EtherCAT_command_t *);
-
-void EtherCAT_command_read(EtherCAT_command_t *,
-                           unsigned short,
-                           unsigned short,
-                           unsigned int);
-void EtherCAT_command_write(EtherCAT_command_t *,
-                            unsigned short,
-                            unsigned short,
-                            unsigned int,
-                            const unsigned char *);
-void EtherCAT_command_position_read(EtherCAT_command_t *,
-                                    short,
-                                    unsigned short,
-                                    unsigned int);
-void EtherCAT_command_position_write(EtherCAT_command_t *,
-                                     short,
-                                     unsigned short,
-                                     unsigned int,
-                                     const unsigned char *);
-void EtherCAT_command_broadcast_read(EtherCAT_command_t *,
-                                     unsigned short,
-                                     unsigned int);
-void EtherCAT_command_broadcast_write(EtherCAT_command_t *,
-                                      unsigned short,
-                                      unsigned int,
-                                      const unsigned char *);
-void EtherCAT_command_logical_read_write(EtherCAT_command_t *,
-                                         unsigned int,
-                                         unsigned int,
-                                         unsigned char *);
-
-/*****************************************************************************/
-
-#endif
--- a/drivers/ec_device.c	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,363 +0,0 @@
-/******************************************************************************
- *
- *  e c _ d e v i c e . c
- *
- *  Methoden für ein EtherCAT-Gerät.
- *
- *  $Id$
- *
- *****************************************************************************/
-
-#include <linux/module.h>
-#include <linux/skbuff.h>
-#include <linux/if_ether.h>
-#include <linux/netdevice.h>
-#include <linux/delay.h>
-
-#include "ec_device.h"
-
-/*****************************************************************************/
-
-/**
-   EtherCAT-Geräte-Konstuktor.
-
-   Initialisiert ein EtherCAT-Gerät, indem es die Variablen
-   in der Struktur auf die Default-Werte setzt.
-
-   @param ecd Zu initialisierendes EtherCAT-Gerät
-*/
-
-void EtherCAT_device_init(EtherCAT_device_t *ecd)
-{
-  ecd->dev = NULL;
-  ecd->tx_skb = NULL;
-  ecd->rx_skb = NULL;
-  ecd->tx_time = 0;
-  ecd->rx_time = 0;
-  ecd->tx_intr_cnt = 0;
-  ecd->rx_intr_cnt = 0;
-  ecd->intr_cnt = 0;
-  ecd->state = ECAT_DS_READY;
-  ecd->rx_data_length = 0;
-  ecd->isr = NULL;
-  ecd->module = NULL;
-  ecd->error_reported = 0;
-}
-
-/*****************************************************************************/
-
-/**
-   EtherCAT-Geräte-Destuktor.
-
-   Gibt den dynamisch allozierten Speicher des
-   EtherCAT-Gerätes (die beiden Socket-Buffer) wieder frei.
-
-   @param ecd EtherCAT-Gerät
-*/
-
-void EtherCAT_device_clear(EtherCAT_device_t *ecd)
-{
-  ecd->dev = NULL;
-
-  if (ecd->tx_skb) {
-    dev_kfree_skb(ecd->tx_skb);
-    ecd->tx_skb = NULL;
-  }
-
-  if (ecd->rx_skb) {
-    dev_kfree_skb(ecd->rx_skb);
-    ecd->rx_skb = NULL;
-  }
-}
-
-/*****************************************************************************/
-
-/**
-   Weist einem EtherCAT-Gerät das entsprechende net_device zu.
-
-   Prüft das net_device, allokiert Socket-Buffer in Sende- und
-   Empfangsrichtung und weist dem EtherCAT-Gerät und den
-   Socket-Buffern das net_device zu.
-
-   @param ecd EtherCAT-Device
-   @param dev net_device
-
-   @return 0: Erfolg, < 0: Konnte Socket-Buffer nicht allozieren.
-*/
-
-int EtherCAT_device_assign(EtherCAT_device_t *ecd,
-                           struct net_device *dev)
-{
-  if (!dev) {
-    printk("EtherCAT: Device is NULL!\n");
-    return -1;
-  }
-
-  if ((ecd->tx_skb = dev_alloc_skb(ECAT_FRAME_BUFFER_SIZE)) == NULL) {
-    printk(KERN_ERR "EtherCAT: Could not allocate device tx socket buffer!\n");
-    return -1;
-  }
-
-  if ((ecd->rx_skb = dev_alloc_skb(ECAT_FRAME_BUFFER_SIZE)) == NULL) {
-    dev_kfree_skb(ecd->tx_skb);
-    ecd->tx_skb = NULL;
-    printk(KERN_ERR "EtherCAT: Could not allocate device rx socket buffer!\n");
-    return -1;
-  }
-
-  ecd->dev = dev;
-  ecd->tx_skb->dev = dev;
-  ecd->rx_skb->dev = dev;
-
-  printk("EtherCAT: Assigned Device %X.\n", (unsigned) dev);
-
-  return 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Führt die open()-Funktion des Netzwerktreibers aus.
-
-   Dies entspricht einem "ifconfig up". Vorher wird der Zeiger
-   auf das EtherCAT-Gerät auf Gültigkeit geprüft und der
-   Gerätezustand zurückgesetzt.
-
-   @param ecd EtherCAT-Gerät
-
-   @return 0 bei Erfolg, < 0: Ungültiger Zeiger, oder open()
-   fehlgeschlagen
-*/
-
-int EtherCAT_device_open(EtherCAT_device_t *ecd)
-{
-  unsigned int i;
-
-  if (!ecd) {
-    printk(KERN_ERR "EtherCAT: Trying to open a NULL device!\n");
-    return -1;
-  }
-
-  if (!ecd->dev) {
-    printk(KERN_ERR "EtherCAT: No net_device to open!\n");
-    return -1;
-  }
-
-  // Device could have received frames before
-  for (i = 0; i < 4; i++) EtherCAT_device_call_isr(ecd);
-
-  // Reset old device state
-  ecd->state = ECAT_DS_READY;
-  ecd->tx_intr_cnt = 0;
-  ecd->rx_intr_cnt = 0;
-
-  return ecd->dev->open(ecd->dev);
-}
-
-/*****************************************************************************/
-
-/**
-   Führt die stop()-Funktion des net_devices aus.
-
-   @param ecd EtherCAT-Gerät
-
-   @return 0 bei Erfolg, < 0: Kein Gerät zum Schliessen
-*/
-
-int EtherCAT_device_close(EtherCAT_device_t *ecd)
-{
-  if (!ecd->dev) {
-    printk("EtherCAT: No device to close!\n");
-    return -1;
-  }
-
-  printk("EtherCAT: Stopping device (txcnt: %u, rxcnt: %u)\n",
-         (unsigned int) ecd->tx_intr_cnt,
-         (unsigned int) ecd->rx_intr_cnt);
-
-  return ecd->dev->stop(ecd->dev);
-}
-
-/*****************************************************************************/
-
-/**
-   Sendet einen Rahmen über das EtherCAT-Gerät.
-
-   Kopiert die zu sendenden Daten in den statischen Socket-
-   Buffer, fügt den Ethernat-II-Header hinzu und ruft die
-   start_xmit()-Funktion der Netzwerkkarte auf.
-
-   @param ecd EtherCAT-Gerät
-   @param data Zeiger auf die zu sendenden Daten
-   @param length Länge der zu sendenden Daten
-
-   @return 0 bei Erfolg, < 0: Vorheriger Rahmen noch
-   nicht empfangen, oder kein Speicher mehr vorhanden
-*/
-
-int EtherCAT_device_send(EtherCAT_device_t *ecd,
-                         unsigned char *data,
-                         unsigned int length)
-{
-  unsigned char *frame_data;
-  struct ethhdr *eth;
-
-  if (unlikely(ecd->state == ECAT_DS_SENT)) {
-    printk(KERN_WARNING "EtherCAT: Warning - Trying to send frame"
-           " while last was not received!\n");
-  }
-
-  // Clear transmit socket buffer and reserve
-  // space for Ethernet-II header
-  skb_trim(ecd->tx_skb, 0);
-  skb_reserve(ecd->tx_skb, ETH_HLEN);
-
-  // Copy data to socket buffer
-  frame_data = skb_put(ecd->tx_skb, length);
-  memcpy(frame_data, data, length);
-
-  // Add Ethernet-II-Header
-  if (unlikely((eth = (struct ethhdr *)
-                skb_push(ecd->tx_skb, ETH_HLEN)) == NULL)) {
-    printk(KERN_ERR "EtherCAT: device_send -"
-           " Could not allocate Ethernet-II header!\n");
-    return -1;
-  }
-
-  // Protocol type
-  eth->h_proto = htons(0x88A4);
-  // Hardware address
-  memcpy(eth->h_source, ecd->dev->dev_addr, ecd->dev->addr_len);
-  // Broadcast address
-  memset(eth->h_dest, 0xFF, ecd->dev->addr_len);
-
-  rdtscl(ecd->tx_time); // Get CPU cycles
-
-  // Start sending of frame
-  ecd->state = ECAT_DS_SENT;
-  ecd->dev->hard_start_xmit(ecd->tx_skb, ecd->dev);
-
-  return 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Holt einen empfangenen Rahmen von der Netzwerkkarte.
-
-   Zuerst wird geprüft, ob überhaupt ein Rahmen empfangen
-   wurde. Wenn ja, wird dieser in den angegebenen
-   Speicherbereich kopiert.
-
-   @param ecd EtherCAT-Gerät
-   @param data Zeiger auf den Speicherbereich, in den die
-               empfangenen Daten kopiert werden sollen
-
-   @return Anzahl der kopierten Bytes bei Erfolg, sonst < 0
-*/
-
-int EtherCAT_device_receive(EtherCAT_device_t *ecd,
-                            unsigned char *data)
-{
-  if (unlikely(ecd->state != ECAT_DS_RECEIVED)) {
-    if (likely(ecd->error_reported)) {
-      printk(KERN_ERR "EtherCAT: receive - Nothing received!\n");
-      ecd->error_reported = 1;
-    }
-    return -1;
-  }
-
-  if (unlikely(ecd->rx_data_length > ECAT_FRAME_BUFFER_SIZE)) {
-    if (likely(ecd->error_reported)) {
-      printk(KERN_ERR "EtherCAT: receive - "
-             " Reveived frame is too long (%i Bytes)!\n",
-             ecd->rx_data_length);
-      ecd->error_reported = 1;
-    }
-    return -1;
-  }
-
-  if (unlikely(ecd->error_reported)) {
-    ecd->error_reported = 0;
-  }
-
-  memcpy(data, ecd->rx_data, ecd->rx_data_length);
-
-  return ecd->rx_data_length;
-}
-
-/*****************************************************************************/
-
-/**
-   Ruft die Interrupt-Routine der Netzwerkkarte auf.
-
-   @param ecd EtherCAT-Gerät
-
-   @return Anzahl der kopierten Bytes bei Erfolg, sonst < 0
-*/
-
-void EtherCAT_device_call_isr(EtherCAT_device_t *ecd)
-{
-  if (likely(ecd->isr)) ecd->isr(0, ecd->dev, NULL);
-}
-
-/*****************************************************************************/
-
-/**
-   Gibt alle Informationen über das Device-Objekt aus.
-
-   @param ecd EtherCAT-Gerät
-*/
-
-void EtherCAT_device_debug(EtherCAT_device_t *ecd)
-{
-  printk(KERN_DEBUG "---EtherCAT device information begin---\n");
-
-  if (ecd)
-  {
-    printk(KERN_DEBUG "Assigned net_device: %X\n",
-           (unsigned) ecd->dev);
-    printk(KERN_DEBUG "Transmit socket buffer: %X\n",
-           (unsigned) ecd->tx_skb);
-    printk(KERN_DEBUG "Receive socket buffer: %X\n",
-           (unsigned) ecd->rx_skb);
-    printk(KERN_DEBUG "Time of last transmission: %u\n",
-           (unsigned) ecd->tx_time);
-    printk(KERN_DEBUG "Time of last receive: %u\n",
-           (unsigned) ecd->rx_time);
-    printk(KERN_DEBUG "Number of transmit interrupts: %u\n",
-           (unsigned) ecd->tx_intr_cnt);
-    printk(KERN_DEBUG "Number of receive interrupts: %u\n",
-           (unsigned) ecd->rx_intr_cnt);
-    printk(KERN_DEBUG "Total Number of interrupts: %u\n",
-           (unsigned) ecd->intr_cnt);
-    printk(KERN_DEBUG "Actual device state: %i\n",
-           (int) ecd->state);
-    printk(KERN_DEBUG "Receive buffer: %X\n",
-           (unsigned) ecd->rx_data);
-    printk(KERN_DEBUG "Receive buffer fill state: %u/%u\n",
-           (unsigned) ecd->rx_data_length, ECAT_FRAME_BUFFER_SIZE);
-  }
-  else
-  {
-    printk(KERN_DEBUG "Device is NULL!\n");
-  }
-
-  printk(KERN_DEBUG "---EtherCAT device information end---\n");
-}
-
-/*****************************************************************************/
-
-EXPORT_SYMBOL(EtherCAT_device_init);
-EXPORT_SYMBOL(EtherCAT_device_clear);
-EXPORT_SYMBOL(EtherCAT_device_assign);
-EXPORT_SYMBOL(EtherCAT_device_open);
-EXPORT_SYMBOL(EtherCAT_device_close);
-
-/*****************************************************************************/
-
-/* Emacs-Konfiguration
-;;; Local Variables: ***
-;;; c-basic-offset:2 ***
-;;; End: ***
-*/
--- a/drivers/ec_device.h	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,91 +0,0 @@
-/******************************************************************************
- *
- *  e c _ d e v i c e . h
- *
- *  Struktur für ein EtherCAT-Gerät.
- *
- *  $Id$
- *
- *****************************************************************************/
-
-#ifndef _EC_DEVICE_H_
-#define _EC_DEVICE_H_
-
-#include <linux/interrupt.h>
-
-#include "ec_globals.h"
-
-/*****************************************************************************/
-
-/**
-   Zustand eines EtherCAT-Gerätes.
-
-   Eine Für EtherCAT reservierte Netzwerkkarte kann bestimmte Zustände haben.
-*/
-
-typedef enum
-{
-  ECAT_DS_READY,    /**< Das Gerät ist bereit zum Senden */
-  ECAT_DS_SENT,     /**< Das Gerät hat einen Rahmen abgesendet,
-                       aber noch keine Antwort enpfangen */
-  ECAT_DS_RECEIVED, /**< Das Gerät hat eine Antwort auf einen
-                       zuvor gesendeten Rahmen empfangen */
-  ECAT_DS_TIMEOUT,  /**< Nach dem Senden eines Rahmens meldete
-                       das Gerät einen Timeout */
-  ECAT_DS_ERROR     /**< Nach dem Senden eines frames hat das
-                       Gerät einen Fehler festgestellt. */
-}
-EtherCAT_device_state_t;
-
-/*****************************************************************************/
-
-/**
-   EtherCAT-Gerät.
-
-   Ein EtherCAT-Gerät ist eine Netzwerkkarte, die vom
-   EtherCAT-Master dazu verwendet wird, um Frames zu senden
-   und zu empfangen.
-*/
-
-typedef struct
-{
-  struct net_device *dev;    /**< Zeiger auf das reservierte net_device */
-  struct sk_buff *tx_skb;    /**< Zeiger auf Transmit-Socketbuffer */
-  struct sk_buff *rx_skb;    /**< Zeiger auf Receive-Socketbuffer */
-  unsigned long tx_time;     /**< Zeit des letzten Sendens */
-  unsigned long rx_time;     /**< Zeit des letzten Empfangs */
-  unsigned long tx_intr_cnt; /**< Anzahl Tx-Interrupts */
-  unsigned long rx_intr_cnt; /**< Anzahl Rx-Interrupts */
-  unsigned long intr_cnt;    /**< Anzahl Interrupts */
-  volatile EtherCAT_device_state_t state; /**< Gesendet, Empfangen,
-                                             Timeout, etc. */
-  unsigned char rx_data[ECAT_FRAME_BUFFER_SIZE]; /**< Puffer für
-                                                    empfangene Rahmen */
-  volatile unsigned int rx_data_length; /**< Länge des zuletzt
-                                           empfangenen Rahmens */
-  irqreturn_t (*isr)(int, void *, struct pt_regs *); /**< Adresse der ISR */
-  struct module *module; /**< Zeiger auf das Modul, das das Gerät zur
-                            Verfügung stellt. */
-  int error_reported; /**< Zeigt an, ob ein Fehler im zyklischen Code
-                         bereits gemeldet wurde. */
-}
-EtherCAT_device_t;
-
-/*****************************************************************************/
-
-void EtherCAT_device_init(EtherCAT_device_t *);
-int EtherCAT_device_assign(EtherCAT_device_t *, struct net_device *);
-void EtherCAT_device_clear(EtherCAT_device_t *);
-
-int EtherCAT_device_open(EtherCAT_device_t *);
-int EtherCAT_device_close(EtherCAT_device_t *);
-
-int EtherCAT_device_send(EtherCAT_device_t *, unsigned char *, unsigned int);
-int EtherCAT_device_receive(EtherCAT_device_t *, unsigned char *);
-void EtherCAT_device_call_isr(EtherCAT_device_t *);
-
-void EtherCAT_device_debug(EtherCAT_device_t *);
-
-/*****************************************************************************/
-
-#endif
--- a/drivers/ec_domain.c	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,40 +0,0 @@
-/******************************************************************************
- *
- *  e c _ d o m a i n . c
- *
- *  Methoden für Gruppen von EtherCAT-Slaves.
- *
- *  $Id$
- *
- *****************************************************************************/
-
-#include <linux/module.h>
-
-#include "ec_globals.h"
-#include "ec_domain.h"
-
-/*****************************************************************************/
-
-/**
-   Konstruktor einer EtherCAT-Domäne.
-
-   @param pd Zeiger auf die zu initialisierende Domäne
-*/
-
-void EtherCAT_domain_init(EtherCAT_domain_t *dom)
-{
-  dom->number = 0;
-  dom->data_size = 0;
-  dom->logical_offset = 0;
-  dom->response_count = 0;
-
-  memset(dom->data, 0x00, ECAT_FRAME_BUFFER_SIZE);
-}
-
-/*****************************************************************************/
-
-/* Emacs-Konfiguration
-;;; Local Variables: ***
-;;; c-basic-offset:2 ***
-;;; End: ***
-*/
--- a/drivers/ec_domain.h	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,51 +0,0 @@
-/******************************************************************************
- *
- *  e c _ d o m a i n . h
- *
- *  Struktur für eine Gruppe von EtherCAT-Slaves.
- *
- *  $Id$
- *
- *****************************************************************************/
-
-#ifndef _EC_DOMAIN_H_
-#define _EC_DOMAIN_H_
-
-#include "ec_globals.h"
-#include "ec_slave.h"
-#include "ec_command.h"
-
-/*****************************************************************************/
-
-/**
-   EtherCAT-Domäne
-
-   Verwaltet die Prozessdaten und das hierfür nötige Kommando einer bestimmten
-   Menge von Slaves.
-*/
-
-typedef struct EtherCAT_domain
-{
-  unsigned int number; /*<< Domänen-Identifikation */
-  EtherCAT_command_t command; /**< Kommando zum Senden und Empfangen der
-                                 Prozessdaten */
-  unsigned char data[ECAT_FRAME_BUFFER_SIZE]; /**< Prozessdaten-Array */
-  unsigned int data_size; /**< Größe der Prozessdaten */
-  unsigned int logical_offset; /**< Logische Basisaddresse */
-  unsigned int response_count; /**< Anzahl antwortender Slaves */
-}
-EtherCAT_domain_t;
-
-/*****************************************************************************/
-
-void EtherCAT_domain_init(EtherCAT_domain_t *);
-
-/*****************************************************************************/
-
-#endif
-
-/* Emacs-Konfiguration
-;;; Local Variables: ***
-;;; c-basic-offset:2 ***
-;;; End: ***
-*/
--- a/drivers/ec_globals.h	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,81 +0,0 @@
-/******************************************************************************
- *
- *  e c _ g l o b a l s . h
- *
- *  Globale Definitionen und Makros für das EtherCAT-Protokoll.
- *
- *  $Id$
- *
- *****************************************************************************/
-
-#ifndef _EC_GLOBALS_
-#define _EC_GLOBALS_
-
-/*****************************************************************************/
-
-/**
-   Maximale Größe eines EtherCAT-Frames
-*/
-#define ECAT_FRAME_BUFFER_SIZE 1500
-
-/**
-   Maximale Anzahl der Prozessdatendomänen in einem Master
-*/
-#define ECAT_MAX_DOMAINS 10
-
-/**
-   NULL-Define, falls noch nicht definiert.
-*/
-
-#ifndef NULL
-#define NULL ((void *) 0)
-#endif
-
-/*****************************************************************************/
-
-/**
-   EtherCAT-Kommando-Typ
-*/
-
-typedef enum
-{
-  ECAT_CMD_NONE = 0x00, /**< Dummy */
-  ECAT_CMD_APRD = 0x01, /**< Auto-increment physical read */
-  ECAT_CMD_APWR = 0x02, /**< Auto-increment physical write */
-  ECAT_CMD_NPRD = 0x04, /**< Node-addressed physical read */
-  ECAT_CMD_NPWR = 0x05, /**< Node-addressed physical write */
-  ECAT_CMD_BRD = 0x07,  /**< Broadcast read */
-  ECAT_CMD_BWR = 0x08,  /**< Broadcast write */
-  ECAT_CMD_LRW = 0x0C   /**< Logical read/write */
-}
-EtherCAT_cmd_type_t;
-
-/*****************************************************************************/
-
-/**
-   Zustand eines EtherCAT-Slaves
-*/
-
-typedef enum
-{
-  ECAT_STATE_UNKNOWN = 0x00, /**< Status unbekannt */
-  ECAT_STATE_INIT = 0x01,    /**< Init-Zustand (Keine Mailbox-
-                                Kommunikation, Kein I/O) */
-  ECAT_STATE_PREOP = 0x02,   /**< Pre-Operational (Mailbox-
-                                Kommunikation, Kein I/O) */
-  ECAT_STATE_SAVEOP = 0x04,  /**< Save-Operational (Mailbox-
-                                Kommunikation und Input Update) */
-  ECAT_STATE_OP = 0x08,      /**< Operational, (Mailbox-
-                                Kommunikation und Input/Output Update) */
-  ECAT_ACK_STATE = 0x10      /**< Acknoledge-Bit beim Zustandswechsel
-                                (dies ist kein eigener Zustand) */
-}
-EtherCAT_state_t;
-
-/*****************************************************************************/
-
-typedef struct EtherCAT_master EtherCAT_master_t;
-
-/*****************************************************************************/
-
-#endif
--- a/drivers/ec_master.c	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1126 +0,0 @@
-/******************************************************************************
- *
- *  e c _ m a s t e r . c
- *
- *  Methoden für einen EtherCAT-Master.
- *
- *  $Id$
- *
- *****************************************************************************/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-
-#include "ec_globals.h"
-#include "ec_master.h"
-
-/*****************************************************************************/
-
-/**
-   Konstruktor des EtherCAT-Masters.
-
-   @param master Zeiger auf den zu initialisierenden EtherCAT-Master
-*/
-
-void EtherCAT_master_init(EtherCAT_master_t *master)
-{
-  master->bus_slaves = NULL;
-  master->bus_slaves_count = 0;
-  master->dev = NULL;
-  master->command_index = 0x00;
-  master->tx_data_length = 0;
-  master->rx_data_length = 0;
-  master->domain_count = 0;
-  master->debug_level = 0;
-  master->bus_time = 0;
-  master->frames_lost = 0;
-  master->t_lost_output = 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Destruktor eines EtherCAT-Masters.
-
-   Entfernt alle Kommandos aus der Liste, löscht den Zeiger
-   auf das Slave-Array und gibt die Prozessdaten frei.
-
-   @param master Zeiger auf den zu löschenden Master
-*/
-
-void EtherCAT_master_clear(EtherCAT_master_t *master)
-{
-  if (master->bus_slaves) {
-    kfree(master->bus_slaves);
-    master->bus_slaves = NULL;
-  }
-
-  master->domain_count = 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Öffnet ein EtherCAT-Geraet für den Master.
-
-   Registriert das Geraet beim Master, der es daraufhin oeffnet.
-
-   @param master Der EtherCAT-Master
-   @param device Das EtherCAT-Geraet
-   @return 0, wenn alles o.k.,
-   < 0, wenn bereits ein Geraet registriert
-   oder das Geraet nicht geoeffnet werden konnte.
-*/
-
-int EtherCAT_master_open(EtherCAT_master_t *master,
-                         EtherCAT_device_t *device)
-{
-  if (!master || !device) {
-    printk(KERN_ERR "EtherCAT: Illegal parameters for master_open()!\n");
-    return -1;
-  }
-
-  if (master->dev) {
-    printk(KERN_ERR "EtherCAT: Master already has a device.\n");
-    return -1;
-  }
-
-  if (EtherCAT_device_open(device) < 0) {
-    printk(KERN_ERR "EtherCAT: Could not open device %X!\n",
-           (unsigned int) master->dev);
-    return -1;
-  }
-
-  master->dev = device;
-
-  return 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Schliesst das EtherCAT-Geraet, auf dem der Master arbeitet.
-
-   @param master Der EtherCAT-Master
-   @param device Das EtherCAT-Geraet
-*/
-
-void EtherCAT_master_close(EtherCAT_master_t *master,
-                           EtherCAT_device_t *device)
-{
-  if (master->dev != device) {
-    printk(KERN_WARNING "EtherCAT: Warning -"
-           " Trying to close an unknown device!\n");
-    return;
-  }
-
-  if (EtherCAT_device_close(master->dev) < 0) {
-    printk(KERN_WARNING "EtherCAT: Warning -"
-           " Could not close device!\n");
-  }
-
-  master->dev = NULL;
-}
-
-/*****************************************************************************/
-
-/**
-   Sendet ein einzelnes Kommando in einem Frame und
-   wartet auf dessen Empfang.
-
-   @param master EtherCAT-Master
-   @param cmd    Kommando zum Senden/Empfangen
-
-   @return 0 bei Erfolg, sonst < 0
-*/
-
-int EtherCAT_simple_send_receive(EtherCAT_master_t *master,
-                                 EtherCAT_command_t *cmd)
-{
-  unsigned int tries_left;
-
-  if (unlikely(EtherCAT_simple_send(master, cmd) < 0))
-    return -1;
-
-  udelay(3);
-
-  EtherCAT_device_call_isr(master->dev);
-
-  tries_left = 20;
-  while (unlikely(master->dev->state == ECAT_DS_SENT
-                  && tries_left)) {
-    udelay(1);
-    EtherCAT_device_call_isr(master->dev);
-    tries_left--;
-  }
-
-  if (unlikely(EtherCAT_simple_receive(master, cmd) < 0))
-    return -1;
-
-  return 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Sendet ein einzelnes Kommando in einem Frame.
-
-   @param master EtherCAT-Master
-   @param cmd    Kommando zum Senden
-
-   @return 0 bei Erfolg, sonst < 0
-*/
-
-int EtherCAT_simple_send(EtherCAT_master_t *master,
-                         EtherCAT_command_t *cmd)
-{
-  unsigned int length, framelength, i;
-
-  if (unlikely(master->debug_level > 0)) {
-    printk(KERN_DEBUG "EtherCAT_send_receive_command\n");
-  }
-
-  if (unlikely(cmd->state != ECAT_CS_READY)) {
-    printk(KERN_WARNING "EtherCAT_send_receive_command:"
-           "Command not in ready state!\n");
-  }
-
-  length = cmd->data_length + 12;
-  framelength = length + 2;
-
-  if (unlikely(framelength > ECAT_FRAME_BUFFER_SIZE)) {
-    printk(KERN_ERR "EtherCAT: Frame too long (%i)!\n", framelength);
-    return -1;
-  }
-
-  if (framelength < 46) framelength = 46;
-
-  if (unlikely(master->debug_level > 0)) {
-    printk(KERN_DEBUG "Frame length: %i\n", framelength);
-  }
-
-  master->tx_data[0] = length & 0xFF;
-  master->tx_data[1] = ((length & 0x700) >> 8) | 0x10;
-
-  cmd->index = master->command_index;
-  master->command_index = (master->command_index + 1) % 0x0100;
-
-  if (unlikely(master->debug_level > 0)) {
-    printk(KERN_DEBUG "Sending command index %i\n", cmd->index);
-  }
-
-  cmd->state = ECAT_CS_SENT;
-
-  master->tx_data[2 + 0] = cmd->type;
-  master->tx_data[2 + 1] = cmd->index;
-  master->tx_data[2 + 2] = cmd->address.raw[0];
-  master->tx_data[2 + 3] = cmd->address.raw[1];
-  master->tx_data[2 + 4] = cmd->address.raw[2];
-  master->tx_data[2 + 5] = cmd->address.raw[3];
-  master->tx_data[2 + 6] = cmd->data_length & 0xFF;
-  master->tx_data[2 + 7] = (cmd->data_length & 0x700) >> 8;
-  master->tx_data[2 + 8] = 0x00;
-  master->tx_data[2 + 9] = 0x00;
-
-  if (likely(cmd->type == ECAT_CMD_APWR
-             || cmd->type == ECAT_CMD_NPWR
-             || cmd->type == ECAT_CMD_BWR
-             || cmd->type == ECAT_CMD_LRW)) // Write commands
-  {
-    for (i = 0; i < cmd->data_length; i++)
-      master->tx_data[2 + 10 + i] = cmd->data[i];
-  }
-  else // Read commands
-  {
-    for (i = 0; i < cmd->data_length; i++) master->tx_data[2 + 10 + i] = 0x00;
-  }
-
-  master->tx_data[2 + 10 + cmd->data_length] = 0x00;
-  master->tx_data[2 + 11 + cmd->data_length] = 0x00;
-
-  // Pad with zeros
-  for (i = cmd->data_length + 12 + 2; i < 46; i++) master->tx_data[i] = 0x00;
-
-  master->tx_data_length = framelength;
-
-  if (unlikely(master->debug_level > 0)) {
-    printk(KERN_DEBUG "device send...\n");
-  }
-
-  // Send frame
-  if (unlikely(EtherCAT_device_send(master->dev,
-                                    master->tx_data,
-                                    framelength) != 0)) {
-    printk(KERN_ERR "EtherCAT: Could not send!\n");
-    return -1;
-  }
-
-  if (unlikely(master->debug_level > 0)) {
-    printk(KERN_DEBUG "EtherCAT_send done.\n");
-  }
-
-  return 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Wartet auf den Empfang eines einzeln gesendeten
-   Kommandos.
-
-   @param master EtherCAT-Master
-   @param cmd    Gesendetes Kommando
-
-   @return 0 bei Erfolg, sonst < 0
-*/
-
-int EtherCAT_simple_receive(EtherCAT_master_t *master,
-                            EtherCAT_command_t *cmd)
-{
-  unsigned int length;
-  int ret;
-  unsigned char command_type, command_index;
-
-  if (unlikely((ret = EtherCAT_device_receive(master->dev,
-                                              master->rx_data)) < 0))
-    return -1;
-
-  master->rx_data_length = (unsigned int) ret;
-
-  if (unlikely(master->rx_data_length < 2)) {
-    printk(KERN_ERR "EtherCAT: Received frame with incomplete EtherCAT"
-           " header!\n");
-    output_debug_data(master);
-    return -1;
-  }
-
-  // Länge des gesamten Frames prüfen
-  length = ((master->rx_data[1] & 0x07) << 8)
-    | (master->rx_data[0] & 0xFF);
-
-  if (unlikely(length > master->rx_data_length)) {
-    printk(KERN_ERR "EtherCAT: Received corrupted frame (length does"
-           " not match)!\n");
-    output_debug_data(master);
-    return -1;
-  }
-
-  command_type = master->rx_data[2];
-  command_index = master->rx_data[2 + 1];
-  length = (master->rx_data[2 + 6] & 0xFF)
-    | ((master->rx_data[2 + 7] & 0x07) << 8);
-
-  if (unlikely(master->rx_data_length - 2 < length + 12)) {
-    printk(KERN_ERR "EtherCAT: Received frame with"
-           " incomplete command data!\n");
-    output_debug_data(master);
-    return -1;
-  }
-
-  if (likely(cmd->state == ECAT_CS_SENT
-             && cmd->type == command_type
-             && cmd->index == command_index
-             && cmd->data_length == length))
-  {
-    cmd->state = ECAT_CS_RECEIVED;
-
-    // Empfangene Daten in Kommandodatenspeicher kopieren
-    memcpy(cmd->data, master->rx_data + 2 + 10, length);
-
-    // Working-Counter setzen
-    cmd->working_counter
-      = ((master->rx_data[length + 2 + 10] & 0xFF)
-         | ((master->rx_data[length + 2 + 11] & 0xFF) << 8));
-
-    if (unlikely(master->debug_level > 1)) {
-      output_debug_data(master);
-    }
-  }
-  else
-  {
-    printk(KERN_WARNING "EtherCAT: WARNING - Send/Receive anomaly!\n");
-    output_debug_data(master);
-  }
-
-  master->dev->state = ECAT_DS_READY;
-
-  return 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Durchsucht den Bus nach Slaves.
-
-   @param master Der EtherCAT-Master
-
-   @return 0 bei Erfolg, sonst < 0
-*/
-
-int EtherCAT_scan_for_slaves(EtherCAT_master_t *master)
-{
-  EtherCAT_command_t cmd;
-  EtherCAT_slave_t *cur;
-  unsigned int i, j;
-  unsigned char data[2];
-
-  // Determine number of slaves on bus
-
-  EtherCAT_command_broadcast_read(&cmd, 0x0000, 4);
-
-  if (unlikely(EtherCAT_simple_send_receive(master, &cmd) < 0))
-    return -1;
-
-  master->bus_slaves_count = cmd.working_counter;
-  printk("EtherCAT: Found %i slaves on bus.\n", master->bus_slaves_count);
-
-  if (!master->bus_slaves_count) return 0;
-
-  if (!(master->bus_slaves =
-        (EtherCAT_slave_t *) kmalloc(master->bus_slaves_count *
-                                     sizeof(EtherCAT_slave_t), GFP_KERNEL))) {
-    printk(KERN_ERR "EtherCAT: Could not allocate memory for bus slaves!\n");
-    return -1;
-  }
-
-  // For every slave in the list
-  for (i = 0; i < master->bus_slaves_count; i++)
-  {
-    cur = master->bus_slaves + i;
-
-    EtherCAT_slave_init(cur);
-
-    // Read base data
-
-    EtherCAT_command_read(&cmd, cur->station_address, 0x0000, 4);
-
-    if (unlikely(EtherCAT_simple_send_receive(master, &cmd) < 0))
-      return -1;
-
-    if (unlikely(cmd.working_counter != 1)) {
-      printk(KERN_ERR "EtherCAT: Slave %i did not respond"
-             " while reading base data!\n", i);
-      return -1;
-    }
-
-    // Get base data
-
-    cur->type = cmd.data[0];
-    cur->revision = cmd.data[1];
-    cur->build = cmd.data[2] | (cmd.data[3] << 8);
-
-    // Read identification from "Slave Information Interface" (SII)
-
-    if (unlikely(EtherCAT_read_slave_information(master,
-                                                 cur->station_address,
-                                                 0x0008,
-                                                 &cur->vendor_id) != 0))
-    {
-      printk(KERN_ERR "EtherCAT: Could not read SII vendor id!\n");
-      return -1;
-    }
-
-    if (unlikely(EtherCAT_read_slave_information(master,
-                                                 cur->station_address,
-                                                 0x000A,
-                                                 &cur->product_code) != 0))
-    {
-      printk(KERN_ERR "EtherCAT: Could not read SII product code!\n");
-      return -1;
-    }
-
-    if (unlikely(EtherCAT_read_slave_information(master,
-                                                 cur->station_address,
-                                                 0x000C,
-                                                 &cur->revision_number) != 0))
-    {
-      printk(KERN_ERR "EtherCAT: Could not read SII revision number!\n");
-      return -1;
-    }
-
-    if (unlikely(EtherCAT_read_slave_information(master,
-                                                 cur->station_address,
-                                                 0x000E,
-                                                 &cur->serial_number) != 0))
-    {
-      printk(KERN_ERR "EtherCAT: Could not read SII serial number!\n");
-      return -1;
-    }
-
-    // Search for identification in "database"
-
-    for (j = 0; j < slave_ident_count; j++)
-    {
-      if (unlikely(slave_idents[j].vendor_id == cur->vendor_id
-                   && slave_idents[j].product_code == cur->product_code))
-      {
-        cur->desc = slave_idents[j].desc;
-        break;
-      }
-    }
-
-    if (unlikely(!cur->desc)) {
-      printk(KERN_ERR "EtherCAT: Unknown slave device (vendor %X, code %X) at "
-             " position %i.\n", cur->vendor_id, cur->product_code, i);
-      return -1;
-    }
-
-    // Set ring position
-    cur->ring_position = -i;
-    cur->station_address = i + 1;
-
-    // Write station address
-
-    data[0] = cur->station_address & 0x00FF;
-    data[1] = (cur->station_address & 0xFF00) >> 8;
-
-    EtherCAT_command_position_write(&cmd, cur->ring_position,
-                                    0x0010, 2, data);
-
-    if (unlikely(EtherCAT_simple_send_receive(master, &cmd) < 0))
-      return -1;
-
-    if (unlikely(cmd.working_counter != 1)) {
-      printk(KERN_ERR "EtherCAT: Slave %i did not repond"
-             " while writing station address!\n", i);
-      return -1;
-    }
-  }
-
-  return 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Registriert einen Slave beim Master.
-
-   @param master Der EtherCAT-Master
-
-   @return 0 bei Erfolg, sonst < 0
-*/
-
-void *EtherCAT_register_slave(EtherCAT_master_t *master,
-                              unsigned int bus_index,
-                              const char *vendor_name,
-                              const char *product_name,
-                              unsigned int domain)
-{
-  EtherCAT_slave_t *slave;
-  EtherCAT_domain_t *dom;
-  unsigned int j;
-
-  if (bus_index >= master->bus_slaves_count) {
-    printk(KERN_ERR "EtherCAT: Illegal bus index! (%i / %i)\n", bus_index,
-           master->bus_slaves_count);
-    return NULL;
-  }
-
-  slave = master->bus_slaves + bus_index;
-
-  if (slave->process_data) {
-    printk(KERN_ERR "EtherCAT: Slave %i is already registered!\n", bus_index);
-    return NULL;
-  }
-
-  if (strcmp(vendor_name, slave->desc->vendor_name) ||
-      strcmp(product_name, slave->desc->product_name)) {
-    printk(KERN_ERR "Invalid Slave Type! Requested: \"%s %s\", present: \"%s"
-           "%s\".\n", vendor_name, product_name, slave->desc->vendor_name,
-           slave->desc->product_name);
-    return NULL;
-  }
-
-  // Check, if process data domain already exists...
-  dom = NULL;
-  for (j = 0; j < master->domain_count; j++) {
-    if (domain == master->domains[j].number) {
-      dom = master->domains + j;
-    }
-  }
-
-  // Create process data domain
-  if (!dom) {
-    if (master->domain_count > ECAT_MAX_DOMAINS - 1) {
-      printk(KERN_ERR "EtherCAT: Too many domains!\n");
-      return NULL;
-    }
-
-    dom = master->domains + master->domain_count;
-    EtherCAT_domain_init(dom);
-    dom->number = domain;
-    dom->logical_offset = master->domain_count * ECAT_FRAME_BUFFER_SIZE;
-    master->domain_count++;
-  }
-
-  if (dom->data_size + slave->desc->process_data_size
-      > ECAT_FRAME_BUFFER_SIZE - 14) {
-    printk(KERN_ERR "EtherCAT: Oversized domain %i: %i / %i Bytes!\n",
-           dom->number, dom->data_size + slave->desc->process_data_size,
-           ECAT_FRAME_BUFFER_SIZE - 14);
-    return NULL;
-  }
-
-  slave->process_data = dom->data + dom->data_size;
-  dom->data_size += slave->desc->process_data_size;
-
-  return slave->process_data;
-}
-
-/*****************************************************************************/
-
-/**
-   Liest Daten aus dem Slave-Information-Interface
-   eines EtherCAT-Slaves.
-
-   @param master EtherCAT-Master
-   @param node_address Knotenadresse des Slaves
-   @param offset Adresse des zu lesenden SII-Registers
-   @param target Zeiger auf einen 4 Byte großen Speicher
-   zum Ablegen der Daten
-
-   @return 0 bei Erfolg, sonst < 0
-*/
-
-int EtherCAT_read_slave_information(EtherCAT_master_t *master,
-                                    unsigned short int node_address,
-                                    unsigned short int offset,
-                                    unsigned int *target)
-{
-  EtherCAT_command_t cmd;
-  unsigned char data[10];
-  unsigned int tries_left;
-
-  // Initiate read operation
-
-  data[0] = 0x00;
-  data[1] = 0x01;
-  data[2] = offset & 0xFF;
-  data[3] = (offset & 0xFF00) >> 8;
-  data[4] = 0x00;
-  data[5] = 0x00;
-
-  EtherCAT_command_write(&cmd, node_address, 0x502, 6, data);
-
-  if (unlikely(EtherCAT_simple_send_receive(master, &cmd) < 0))
-    return -1;
-
-  if (unlikely(cmd.working_counter != 1)) {
-    printk(KERN_ERR "EtherCAT: SII-read - Slave %04X did not respond!\n",
-           node_address);
-    return -1;
-  }
-
-  // Der Slave legt die Informationen des Slave-Information-Interface
-  // in das Datenregister und löscht daraufhin ein Busy-Bit. Solange
-  // den Status auslesen, bis das Bit weg ist.
-
-  tries_left = 100;
-  while (likely(tries_left))
-  {
-    udelay(10);
-
-    EtherCAT_command_read(&cmd, node_address, 0x502, 10);
-
-    if (unlikely(EtherCAT_simple_send_receive(master, &cmd) != 0))
-      return -1;
-
-    if (unlikely(cmd.working_counter != 1)) {
-      printk(KERN_ERR "EtherCAT: SII-read status -"
-             " Slave %04X did not respond!\n", node_address);
-      return -1;
-    }
-
-    if (likely((cmd.data[1] & 0x81) == 0)) {
-      memcpy(target, cmd.data + 6, 4);
-      break;
-    }
-
-    tries_left--;
-  }
-
-  if (unlikely(!tries_left)) {
-    printk(KERN_WARNING "EtherCAT: SSI-read. Slave %04X timed out!\n",
-           node_address);
-    return -1;
-  }
-
-  return 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Ändert den Zustand eines Slaves (asynchron).
-
-   Führt eine (asynchrone) Zustandsänderung bei einem Slave durch.
-
-   @param master EtherCAT-Master
-   @param slave Slave, dessen Zustand geändert werden soll
-   @param state_and_ack Neuer Zustand, evtl. mit gesetztem
-   Acknowledge-Flag
-
-   @return 0 bei Erfolg, sonst < 0
-*/
-
-int EtherCAT_state_change(EtherCAT_master_t *master,
-                          EtherCAT_slave_t *slave,
-                          unsigned char state_and_ack)
-{
-  EtherCAT_command_t cmd;
-  unsigned char data[2];
-  unsigned int tries_left;
-
-  data[0] = state_and_ack;
-  data[1] = 0x00;
-
-  EtherCAT_command_write(&cmd, slave->station_address,
-                         0x0120, 2, data);
-
-  if (unlikely(EtherCAT_simple_send_receive(master, &cmd) != 0)) {
-    printk(KERN_ERR "EtherCAT: Could not set state %02X - Unable to send!\n",
-           state_and_ack);
-    return -1;
-  }
-
-  if (unlikely(cmd.working_counter != 1)) {
-    printk(KERN_ERR "EtherCAT: Could not set state %02X - Device \"%s %s\""
-           " (%d) did not respond!\n", state_and_ack, slave->desc->vendor_name,
-           slave->desc->product_name, slave->ring_position * (-1));
-    return -1;
-  }
-
-  slave->requested_state = state_and_ack & 0x0F;
-
-  tries_left = 100;
-  while (likely(tries_left))
-  {
-    udelay(10);
-
-    EtherCAT_command_read(&cmd, slave->station_address, 0x0130, 2);
-
-    if (unlikely(EtherCAT_simple_send_receive(master, &cmd) != 0)) {
-      printk(KERN_ERR "EtherCAT: Could not check state %02X - Unable to"
-             " send!\n", state_and_ack);
-      return -1;
-    }
-
-    if (unlikely(cmd.working_counter != 1)) {
-      printk(KERN_ERR "EtherCAT: Could not check state %02X - Device did not"
-             " respond!\n", state_and_ack);
-      return -1;
-    }
-
-    if (unlikely(cmd.data[0] & 0x10)) { // State change error
-      printk(KERN_ERR "EtherCAT: Could not set state %02X - Device refused"
-             " state change (code %02X)!\n", state_and_ack, cmd.data[0]);
-      return -1;
-    }
-
-    if (likely(cmd.data[0] == (state_and_ack & 0x0F))) {
-      // State change successful
-      break;
-    }
-
-    tries_left--;
-  }
-
-  if (unlikely(!tries_left)) {
-    printk(KERN_ERR "EtherCAT: Could not check state %02X - Timeout while"
-           " checking!\n", state_and_ack);
-    return -1;
-  }
-
-  slave->current_state = state_and_ack & 0x0F;
-
-  return 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Konfiguriert einen Slave und setzt den Operational-Zustand.
-
-   Führt eine komplette Konfiguration eines Slaves durch,
-   setzt Sync-Manager und FMMU's, führt die entsprechenden
-   Zustandsübergänge durch, bis der Slave betriebsbereit ist.
-
-   @param master EtherCAT-Master
-   @param slave Zu aktivierender Slave
-
-   @return 0 bei Erfolg, sonst < 0
-*/
-
-int EtherCAT_activate_slave(EtherCAT_master_t *master,
-                            EtherCAT_slave_t *slave)
-{
-  EtherCAT_command_t cmd;
-  const EtherCAT_slave_desc_t *desc;
-  unsigned char fmmu[16];
-  unsigned char data[256];
-
-  desc = slave->desc;
-
-  if (unlikely(EtherCAT_state_change(master, slave, ECAT_STATE_INIT) != 0))
-    return -1;
-
-  // Resetting FMMU's
-
-  memset(data, 0x00, 256);
-
-  EtherCAT_command_write(&cmd, slave->station_address, 0x0600, 256, data);
-
-  if (unlikely(EtherCAT_simple_send_receive(master, &cmd) < 0))
-    return -1;
-
-  if (unlikely(cmd.working_counter != 1)) {
-    printk(KERN_ERR "EtherCAT: Resetting FMMUs - Slave %04X did not"
-           " respond!\n", slave->station_address);
-    return -1;
-  }
-
-  // Resetting Sync Manager channels
-
-  if (desc->type != ECAT_ST_SIMPLE_NOSYNC)
-  {
-    memset(data, 0x00, 256);
-
-    EtherCAT_command_write(&cmd, slave->station_address, 0x0800, 256, data);
-
-    if (unlikely(EtherCAT_simple_send_receive(master, &cmd) < 0))
-      return -1;
-
-    if (unlikely(cmd.working_counter != 1)) {
-      printk(KERN_ERR "EtherCAT: Resetting SMs - Slave %04X did not"
-             " respond!\n", slave->station_address);
-      return -1;
-    }
-  }
-
-  // Init Mailbox communication
-
-  if (desc->type == ECAT_ST_MAILBOX)
-  {
-    if (desc->sm0)
-    {
-      EtherCAT_command_write(&cmd, slave->station_address, 0x0800, 8,
-                             desc->sm0);
-
-      if (unlikely(EtherCAT_simple_send_receive(master, &cmd) < 0))
-        return -1;
-
-      if (unlikely(cmd.working_counter != 1)) {
-        printk(KERN_ERR "EtherCAT: Setting SM0 - Slave %04X did not"
-               " respond!\n", slave->station_address);
-        return -1;
-      }
-    }
-
-    if (desc->sm1)
-    {
-      EtherCAT_command_write(&cmd, slave->station_address, 0x0808, 8,
-                             desc->sm1);
-
-      if (unlikely(EtherCAT_simple_send_receive(master, &cmd) < 0))
-        return -1;
-
-      if (unlikely(cmd.working_counter != 1)) {
-        printk(KERN_ERR "EtherCAT: Setting SM1 -"
-               " Slave %04X did not respond!\n",
-               slave->station_address);
-        return -1;
-      }
-    }
-  }
-
-  // Change state to PREOP
-
-  if (unlikely(EtherCAT_state_change(master, slave, ECAT_STATE_PREOP) != 0))
-    return -1;
-
-  // Set FMMU's
-
-  if (desc->fmmu0)
-  {
-    if (unlikely(!slave->process_data)) {
-      printk(KERN_ERR "EtherCAT: Warning - Slave %04X is not assigned to any"
-             " process data object!\n", slave->station_address);
-      return -1;
-    }
-
-    memcpy(fmmu, desc->fmmu0, 16);
-
-    fmmu[0] = slave->logical_address & 0x000000FF;
-    fmmu[1] = (slave->logical_address & 0x0000FF00) >> 8;
-    fmmu[2] = (slave->logical_address & 0x00FF0000) >> 16;
-    fmmu[3] = (slave->logical_address & 0xFF000000) >> 24;
-
-    EtherCAT_command_write(&cmd, slave->station_address, 0x0600, 16, fmmu);
-
-    if (unlikely(EtherCAT_simple_send_receive(master, &cmd) < 0))
-      return -1;
-
-    if (unlikely(cmd.working_counter != 1)) {
-      printk(KERN_ERR "EtherCAT: Setting FMMU0 - Slave %04X did not"
-             " respond!\n", slave->station_address);
-      return -1;
-    }
-  }
-
-  // Set Sync Managers
-
-  if (desc->type != ECAT_ST_MAILBOX)
-  {
-    if (desc->sm0)
-    {
-      EtherCAT_command_write(&cmd, slave->station_address, 0x0800, 8,
-                             desc->sm0);
-
-      if (unlikely(EtherCAT_simple_send_receive(master, &cmd) < 0))
-        return -1;
-
-      if (unlikely(cmd.working_counter != 1)) {
-        printk(KERN_ERR "EtherCAT: Setting SM0 - Slave %04X did not"
-               " respond!\n", slave->station_address);
-        return -1;
-      }
-    }
-
-    if (desc->sm1)
-    {
-      EtherCAT_command_write(&cmd, slave->station_address, 0x0808, 8,
-                             desc->sm1);
-
-      if (unlikely(EtherCAT_simple_send_receive(master, &cmd) < 0))
-        return -1;
-
-      if (unlikely(cmd.working_counter != 1)) {
-        printk(KERN_ERR "EtherCAT: Setting SM1 - Slave %04X did not"
-               " respond!\n", slave->station_address);
-        return -1;
-      }
-    }
-  }
-
-  if (desc->sm2)
-  {
-    EtherCAT_command_write(&cmd, slave->station_address, 0x0810, 8, desc->sm2);
-
-    if (unlikely(EtherCAT_simple_send_receive(master, &cmd) < 0))
-      return -1;
-
-    if (unlikely(cmd.working_counter != 1)) {
-      printk(KERN_ERR "EtherCAT: Setting SM2 - Slave %04X did not respond!\n",
-             slave->station_address);
-      return -1;
-    }
-  }
-
-  if (desc->sm3)
-  {
-    EtherCAT_command_write(&cmd, slave->station_address, 0x0818, 8, desc->sm3);
-
-    if (unlikely(EtherCAT_simple_send_receive(master, &cmd) < 0))
-      return -1;
-
-    if (unlikely(cmd.working_counter != 1)) {
-      printk(KERN_ERR "EtherCAT: Setting SM3 - Slave %04X did not respond!\n",
-             slave->station_address);
-      return -1;
-    }
-  }
-
-  // Change state to SAVEOP
-  if (unlikely(EtherCAT_state_change(master, slave, ECAT_STATE_SAVEOP) != 0))
-    return -1;
-
-  // Change state to OP
-  if (unlikely(EtherCAT_state_change(master, slave, ECAT_STATE_OP) != 0))
-    return -1;
-
-  return 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Setzt einen Slave zurück in den Init-Zustand.
-
-   @param master EtherCAT-Master
-   @param slave Zu deaktivierender Slave
-
-   @return 0 bei Erfolg, sonst < 0
-*/
-
-int EtherCAT_deactivate_slave(EtherCAT_master_t *master,
-                              EtherCAT_slave_t *slave)
-{
-  if (unlikely(EtherCAT_state_change(master, slave,
-                                     ECAT_STATE_INIT) != 0))
-    return -1;
-
-  return 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Sendet und empfängt Prozessdaten der angegebenen Domäne
-
-   @param master     EtherCAT-Master
-          domain     Domäne
-          timeout_us Timeout in Mikrosekunden
-
-   @return 0 bei Erfolg, sonst < 0
-*/
-
-int EtherCAT_process_data_cycle(EtherCAT_master_t *master, unsigned int domain,
-                                unsigned int timeout_us)
-{
-  unsigned int i;
-  EtherCAT_domain_t *dom;
-  unsigned long start_ticks, end_ticks, timeout_ticks;
-
-  ecat_output_lost_frames(master); // Evtl. verlorene Frames ausgeben
-
-  // Domäne bestimmen
-  dom = NULL;
-  for (i = 0; i < master->domain_count; i++) {
-    if (master->domains[i].number == domain) {
-      dom = master->domains + i;
-      break;
-    }
-  }
-
-  if (unlikely(!dom)) {
-    printk(KERN_ERR "EtherCAT: No such domain: %i!\n", domain);
-    return -1;
-  }
-
-  EtherCAT_command_logical_read_write(&dom->command,
-                                      dom->logical_offset, dom->data_size,
-                                      dom->data);
-
-  rdtscl(start_ticks); // Sendezeit nehmen
-
-  if (unlikely(EtherCAT_simple_send(master, &dom->command) < 0)) {
-    printk(KERN_ERR "EtherCAT: Could not send process data command!\n");
-    return -1;
-  }
-
-  timeout_ticks = timeout_us * cpu_khz / 1000;
-
-  // Warten
-  do {
-    EtherCAT_device_call_isr(master->dev);
-    rdtscl(end_ticks); // Empfangszeit nehmen
-  }
-  while (unlikely(master->dev->state == ECAT_DS_SENT
-                  && end_ticks - start_ticks < timeout_ticks));
-
-  master->bus_time = (end_ticks - start_ticks) * 1000 / cpu_khz;
-
-  if (unlikely(end_ticks - start_ticks >= timeout_ticks)) {
-    master->dev->state = ECAT_DS_READY;
-    master->frames_lost++;
-    ecat_output_lost_frames(master);
-    return -1;
-  }
-
-  if (unlikely(EtherCAT_simple_receive(master, &dom->command) < 0)) {
-    printk(KERN_ERR "EtherCAT: Could not receive cyclic command!\n");
-    return -1;
-  }
-
-  if (unlikely(dom->command.state != ECAT_CS_RECEIVED)) {
-    printk(KERN_WARNING "EtherCAT: Process data command not received!\n");
-    return -1;
-  }
-
-  if (dom->command.working_counter != dom->response_count) {
-    dom->response_count = dom->command.working_counter;
-    printk(KERN_INFO "EtherCAT: Domain %i State change - %i slaves"
-           " responding.\n", dom->number, dom->response_count);
-  }
-
-  // Daten vom Kommando in den Prozessdatenspeicher kopieren
-  memcpy(dom->data, dom->command.data, dom->data_size);
-
-  return 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Gibt Frame-Inhalte zwecks Debugging aus.
-
-   @param master EtherCAT-Master
-*/
-
-void output_debug_data(const EtherCAT_master_t *master)
-{
-  unsigned int i;
-
-  printk(KERN_DEBUG "EtherCAT: tx_data content (%i Bytes):\n",
-         master->tx_data_length);
-
-  printk(KERN_DEBUG);
-  for (i = 0; i < master->tx_data_length; i++)
-  {
-    printk("%02X ", master->tx_data[i]);
-    if ((i + 1) % 16 == 0) printk("\n" KERN_DEBUG);
-  }
-  printk("\n");
-
-  printk(KERN_DEBUG "EtherCAT: rx_data content (%i Bytes):\n",
-         master->rx_data_length);
-
-  printk(KERN_DEBUG);
-  for (i = 0; i < master->rx_data_length; i++)
-  {
-    printk("%02X ", master->rx_data[i]);
-    if ((i + 1) % 16 == 0) printk("\n" KERN_DEBUG);
-  }
-  printk("\n");
-}
-
-/*****************************************************************************/
-
-/**
-   Gibt von Zeit zu Zeit die Anzahl verlorener Frames aus.
-
-   @param master EtherCAT-Master
-*/
-
-void ecat_output_lost_frames(EtherCAT_master_t *master)
-{
-  unsigned long int t;
-
-  if (master->frames_lost) {
-    rdtscl(t);
-    if ((t - master->t_lost_output) / cpu_khz > 1000) {
-      printk(KERN_ERR "EtherCAT: %u frame(s) LOST!\n", master->frames_lost);
-      master->frames_lost = 0;
-      master->t_lost_output = t;
-    }
-  }
-}
-
-/*****************************************************************************/
-
-EXPORT_SYMBOL(EtherCAT_master_open);
-EXPORT_SYMBOL(EtherCAT_master_close);
-EXPORT_SYMBOL(EtherCAT_activate_slave);
-EXPORT_SYMBOL(EtherCAT_deactivate_slave);
-EXPORT_SYMBOL(EtherCAT_process_data_cycle);
-
-/*****************************************************************************/
-
-/* Emacs-Konfiguration
-;;; Local Variables: ***
-;;; c-basic-offset:2 ***
-;;; End: ***
-*/
--- a/drivers/ec_master.h	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,96 +0,0 @@
-/******************************************************************************
- *
- *  e c _ m a s t e r . h
- *
- *  Struktur für einen EtherCAT-Master.
- *
- *  $Id$
- *
- *****************************************************************************/
-
-#ifndef _EC_MASTER_H_
-#define _EC_MASTER_H_
-
-#include "ec_device.h"
-#include "ec_slave.h"
-#include "ec_command.h"
-#include "ec_domain.h"
-
-/*****************************************************************************/
-
-/**
-   EtherCAT-Master
-
-   Verwaltet die EtherCAT-Slaves und kommuniziert mit
-   dem zugewiesenen EtherCAT-Gerät.
-*/
-
-struct EtherCAT_master
-{
-  EtherCAT_slave_t *bus_slaves; /**< Array von Slaves auf dem Bus */
-  unsigned int bus_slaves_count; /**< Anzahl Slaves auf dem Bus */
-  EtherCAT_device_t *dev; /**< Zeiger auf das zugewiesene EtherCAT-Gerät */
-  unsigned char command_index; /**< Aktueller Kommando-Index */
-  unsigned char tx_data[ECAT_FRAME_BUFFER_SIZE]; /**< Statischer Speicher
-                                                    für zu sendende Daten */
-  unsigned int tx_data_length; /**< Länge der Daten im Sendespeicher */
-  unsigned char rx_data[ECAT_FRAME_BUFFER_SIZE]; /**< Statische Speicher für
-                                                    eine Kopie des Rx-Buffers
-                                                    im EtherCAT-Gerät */
-  unsigned int rx_data_length; /**< Länge der Daten im Empfangsspeicher */
-  EtherCAT_domain_t domains[ECAT_MAX_DOMAINS]; /** Prozessdatendomänen */
-  unsigned int domain_count;
-  int debug_level; /**< Debug-Level im Master-Code */
-  unsigned int bus_time; /**< Letzte Bus-Zeit in Mikrosekunden */
-  unsigned int frames_lost; /**< Anzahl verlorene Frames */
-  unsigned long t_lost_output; /*<< Timer-Ticks bei der letzten Ausgabe von
-                                 verlorenen Frames */
-};
-
-/*****************************************************************************/
-
-// Public methods
-
-void *EtherCAT_register_slave(EtherCAT_master_t *, unsigned int,
-                              const char *, const char *, unsigned int);
-int EtherCAT_activate_slave(EtherCAT_master_t *, EtherCAT_slave_t *);
-int EtherCAT_deactivate_slave(EtherCAT_master_t *, EtherCAT_slave_t *);
-int EtherCAT_process_data_cycle(EtherCAT_master_t *, unsigned int,
-                                unsigned int);
-
-// Private Methods
-
-// Master creation and deletion
-void EtherCAT_master_init(EtherCAT_master_t *);
-void EtherCAT_master_clear(EtherCAT_master_t *);
-
-// Registration of devices
-int EtherCAT_master_open(EtherCAT_master_t *, EtherCAT_device_t *);
-void EtherCAT_master_close(EtherCAT_master_t *, EtherCAT_device_t *);
-
-// Sending and receiving
-int EtherCAT_simple_send_receive(EtherCAT_master_t *, EtherCAT_command_t *);
-int EtherCAT_simple_send(EtherCAT_master_t *, EtherCAT_command_t *);
-int EtherCAT_simple_receive(EtherCAT_master_t *, EtherCAT_command_t *);
-
-// Slave management
-int EtherCAT_scan_for_slaves(EtherCAT_master_t *);
-int EtherCAT_read_slave_information(EtherCAT_master_t *, unsigned short int,
-                                    unsigned short int, unsigned int *);
-int EtherCAT_state_change(EtherCAT_master_t *, EtherCAT_slave_t *,
-                          unsigned char);
-
-// Misc.
-
-void output_debug_data(const EtherCAT_master_t *);
-void ecat_output_lost_frames(EtherCAT_master_t *);
-
-/*****************************************************************************/
-
-#endif
-
-/* Emacs-Konfiguration
-;;; Local Variables: ***
-;;; c-basic-offset:2 ***
-;;; End: ***
-*/
--- a/drivers/ec_module.c	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,282 +0,0 @@
-/******************************************************************************
- *
- *  ec_module.c
- *
- *  EtherCAT-Master-Treiber
- *
- *  Autoren: Wilhelm Hagemeister, Florian Pose
- *
- *  $Id$
- *
- *  (C) Copyright IgH 2005
- *  Ingenieurgemeinschaft IgH
- *  Heinz-Bäcker Str. 34
- *  D-45356 Essen
- *  Tel.: +49 201/61 99 31
- *  Fax.: +49 201/61 98 36
- *  E-mail: sp@igh-essen.com
- *
- *****************************************************************************/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include "ec_module.h"
-
-int __init ecat_init_module(void);
-void __exit ecat_cleanup_module(void);
-
-/*****************************************************************************/
-
-#define LIT(X) #X
-#define STR(X) LIT(X)
-
-#define COMPILE_INFO "Revision " STR(EC_REV) \
-                     ", compiled by " STR(EC_USER) \
-                     " at " STR(EC_DATE)
-
-/*****************************************************************************/
-
-int ecat_master_count = 1;
-EtherCAT_master_t *ecat_masters = NULL;
-int *ecat_masters_reserved = NULL;
-
-/*****************************************************************************/
-
-MODULE_AUTHOR ("Wilhelm Hagemeister <hm@igh-essen.com>,"
-               "Florian Pose <fp@igh-essen.com>");
-MODULE_DESCRIPTION ("EtherCAT master driver module");
-MODULE_LICENSE("GPL");
-MODULE_VERSION(COMPILE_INFO);
-
-module_param(ecat_master_count, int, 1);
-MODULE_PARM_DESC(ecat_master_count,
-                 "Number of EtherCAT master to initialize.");
-
-module_init(ecat_init_module);
-module_exit(ecat_cleanup_module);
-
-EXPORT_SYMBOL(EtherCAT_register_device);
-EXPORT_SYMBOL(EtherCAT_unregister_device);
-EXPORT_SYMBOL(EtherCAT_request);
-EXPORT_SYMBOL(EtherCAT_release);
-
-/*****************************************************************************/
-
-/**
-   Init-Funktion des EtherCAT-Master-Treibermodules
-
-   Initialisiert soviele Master, wie im Parameter ecat_master_count
-   angegeben wurde (Default ist 1).
-
-   @returns 0, wenn alles o.k., -1 bei ungueltiger Anzahl Master
-            oder zu wenig Speicher.
-*/
-
-int __init ecat_init_module(void)
-{
-  unsigned int i;
-
-  printk(KERN_ERR "EtherCAT: Master driver, %s\n", COMPILE_INFO);
-
-  if (ecat_master_count < 1) {
-    printk(KERN_ERR "EtherCAT: Error - Illegal"
-           " ecat_master_count: %i\n", ecat_master_count);
-    return -1;
-  }
-
-  printk(KERN_ERR "EtherCAT: Initializing %i EtherCAT master(s)...\n",
-         ecat_master_count);
-
-  if ((ecat_masters =
-       (EtherCAT_master_t *) kmalloc(sizeof(EtherCAT_master_t)
-                                     * ecat_master_count,
-                                     GFP_KERNEL)) == NULL) {
-    printk(KERN_ERR "EtherCAT: Could not allocate"
-           " memory for EtherCAT master(s)!\n");
-    return -1;
-  }
-
-  if ((ecat_masters_reserved =
-       (int *) kmalloc(sizeof(int) * ecat_master_count,
-                       GFP_KERNEL)) == NULL) {
-    printk(KERN_ERR "EtherCAT: Could not allocate"
-           " memory for reservation flags!\n");
-    kfree(ecat_masters);
-    return -1;
-  }
-
-  for (i = 0; i < ecat_master_count; i++)
-  {
-    EtherCAT_master_init(&ecat_masters[i]);
-    ecat_masters_reserved[i] = 0;
-  }
-
-  printk(KERN_ERR "EtherCAT: Master driver initialized.\n");
-
-  return 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Cleanup-Funktion des EtherCAT-Master-Treibermoduls
-
-   Entfernt alle Master-Instanzen.
-*/
-
-void __exit ecat_cleanup_module(void)
-{
-  unsigned int i;
-
-  printk(KERN_ERR "EtherCAT: Cleaning up master driver...\n");
-
-  if (ecat_masters)
-  {
-    for (i = 0; i < ecat_master_count; i++)
-    {
-      if (ecat_masters_reserved[i]) {
-        printk(KERN_WARNING "EtherCAT: Warning -"
-               " Master %i is still in use!\n", i);
-      }
-
-      EtherCAT_master_clear(&ecat_masters[i]);
-    }
-
-    kfree(ecat_masters);
-  }
-
-  printk(KERN_ERR "EtherCAT: Master driver cleaned up.\n");
-}
-
-/*****************************************************************************/
-
-/**
-   Setzt das EtherCAT-Geraet, auf dem der Master arbeitet.
-
-   Registriert das Geraet beim Master, der es daraufhin oeffnet.
-
-   @param master Der EtherCAT-Master
-   @param device Das EtherCAT-Geraet
-   @return 0, wenn alles o.k.,
-           < 0, wenn bereits ein Geraet registriert
-           oder das Geraet nicht geoeffnet werden konnte.
-*/
-
-int EtherCAT_register_device(int index, EtherCAT_device_t *device)
-{
-  if (index < 0 || index >= ecat_master_count) {
-    printk(KERN_ERR "EtherCAT: Master %i does not exist!\n", index);
-    return -1;
-  }
-
-  return EtherCAT_master_open(&ecat_masters[index], device);
-}
-
-/*****************************************************************************/
-
-/**
-   Loescht das EtherCAT-Geraet, auf dem der Master arbeitet.
-
-   @param master Der EtherCAT-Master
-   @param device Das EtherCAT-Geraet
-*/
-
-void EtherCAT_unregister_device(int index, EtherCAT_device_t *device)
-{
-  if (index < 0 || index >= ecat_master_count) {
-    printk(KERN_WARNING "EtherCAT: Master %i does not exist!\n", index);
-    return;
-  }
-
-  EtherCAT_master_close(&ecat_masters[index], device);
-}
-
-/*****************************************************************************/
-
-/**
-   Reserviert einen bestimmten EtherCAT-Master und das zugehörige Gerät.
-
-   Gibt einen Zeiger auf den reservierten EtherCAT-Master zurueck.
-
-   @param index Index des gewuenschten Masters
-   @returns Zeiger auf EtherCAT-Master oder NULL, wenn Parameter ungueltig.
-*/
-
-EtherCAT_master_t *EtherCAT_request(int index)
-{
-  if (index < 0 || index >= ecat_master_count) {
-    printk(KERN_ERR "EtherCAT: Master %i does not exist!\n", index);
-    return NULL;
-  }
-
-  if (ecat_masters_reserved[index]) {
-    printk(KERN_ERR "EtherCAT: Master %i already in use!\n", index);
-    return NULL;
-  }
-
-  if (!ecat_masters[index].dev) {
-    printk(KERN_ERR "EtherCAT: Master %i has no device assigned yet!\n",
-           index);
-    return NULL;
-  }
-
-  if (!ecat_masters[index].dev->module) {
-    printk(KERN_ERR "EtherCAT: Master %i device module is not set!\n", index);
-    return NULL;
-  }
-
-  if (!try_module_get(ecat_masters[index].dev->module)) {
-    printk(KERN_ERR "EtherCAT: Could not reserve device module!\n");
-    return NULL;
-  }
-
-  if (EtherCAT_scan_for_slaves(&ecat_masters[index]) != 0) {
-      printk(KERN_ERR "EtherCAT: Could not scan for slaves!\n");
-      return NULL;
-  }
-
-  ecat_masters_reserved[index] = 1;
-
-  printk(KERN_INFO "EtherCAT: Reserved master %i.\n", index);
-
-  return &ecat_masters[index];
-}
-
-/*****************************************************************************/
-
-/**
-   Gibt einen zuvor angeforderten EtherCAT-Master wieder frei.
-
-   @param master Zeiger auf den freizugebenden EtherCAT-Master.
-*/
-
-void EtherCAT_release(EtherCAT_master_t *master)
-{
-  unsigned int i;
-
-  for (i = 0; i < ecat_master_count; i++)
-  {
-    if (&ecat_masters[i] == master)
-    {
-      if (!ecat_masters[i].dev) {
-        printk(KERN_WARNING "EtherCAT: Could not release device"
-               "module because of no device!\n");
-        return;
-      }
-
-      module_put(ecat_masters[i].dev->module);
-      ecat_masters_reserved[i] = 0;
-
-      printk(KERN_INFO "EtherCAT: Released master %i.\n", i);
-
-      return;
-    }
-  }
-
-  printk(KERN_WARNING "EtherCAT: Master %X was never requested!\n",
-         (unsigned int) master);
-}
-
-/*****************************************************************************/
--- a/drivers/ec_module.h	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,36 +0,0 @@
-/******************************************************************************
- *
- *  ec_module.h
- *
- *  EtherCAT-Master-Treiber
- *
- *  Autoren: Wilhelm Hagemeister, Florian Pose
- *
- *  $Id$
- *
- *  (C) Copyright IgH 2005
- *  Ingenieurgemeinschaft IgH
- *  Heinz-Bäcker Str. 34
- *  D-45356 Essen
- *  Tel.: +49 201/61 99 31
- *  Fax.: +49 201/61 98 36
- *  E-mail: sp@igh-essen.com
- *
- *****************************************************************************/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-
-#include "ec_master.h"
-
-/*****************************************************************************/
-
-// Registration of devices
-int EtherCAT_register_device(int, EtherCAT_device_t *);
-void EtherCAT_unregister_device(int, EtherCAT_device_t *);
-
-EtherCAT_master_t *EtherCAT_request(int);
-void EtherCAT_release(EtherCAT_master_t *);
-
-/*****************************************************************************/
--- a/drivers/ec_slave.c	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,198 +0,0 @@
-/******************************************************************************
- *
- *  e c _ s l a v e . c
- *
- *  Methoden für einen EtherCAT-Slave.
- *
- *  $Id$
- *
- *****************************************************************************/
-
-#include <linux/module.h>
-
-#include "ec_globals.h"
-#include "ec_slave.h"
-
-/*****************************************************************************/
-
-/**
-   EtherCAT-Slave-Konstruktor.
-
-   Initialisiert einen EtherCAT-Slave.
-
-   ACHTUNG! Dieser Konstruktor wird quasi nie aufgerufen. Bitte immer das
-   Makro ECAT_INIT_SLAVE() in ec_slave.h anpassen!
-
-   @param slave Zeiger auf den zu initialisierenden Slave
-*/
-
-void EtherCAT_slave_init(EtherCAT_slave_t *slave)
-{
-  slave->type = 0;
-  slave->revision = 0;
-  slave->build = 0;
-  slave->ring_position = 0;
-  slave->station_address = 0;
-  slave->vendor_id = 0;
-  slave->product_code = 0;
-  slave->revision_number = 0;
-  slave->serial_number = 0;
-  slave->desc = NULL;
-  slave->logical_address = 0;
-  slave->current_state = ECAT_STATE_UNKNOWN;
-  slave->requested_state = ECAT_STATE_UNKNOWN;
-  slave->process_data = NULL;
-  slave->domain = 0;
-  slave->error_reported = 0;
-}
-
-/*****************************************************************************/
-
-/**
-   Liest einen bestimmten Kanal des Slaves als Integer-Wert.
-
-   Prüft zuerst, ob der entsprechende Slave eine
-   bekannte Beschreibung besitzt, ob dort eine
-   read()-Funktion hinterlegt ist und ob die angegebene
-   Kanalnummer gültig ist. Wenn ja, wird der dekodierte
-   Wert zurückgegeben, sonst ist der Wert 0.
-
-   @param slave EtherCAT-Slave
-   @param channel Kanalnummer
-
-   @return Gelesener Wert bzw. 0
-*/
-
-int EtherCAT_read_value(EtherCAT_slave_t *slave,
-                        unsigned int channel)
-{
-  if (unlikely(!slave->desc)) {
-    if (likely(slave->error_reported)) {
-      printk(KERN_WARNING "EtherCAT: Reading failed on slave %04X (addr %0X)"
-             " - Slave has no description.\n",
-             slave->station_address, (unsigned int) slave);
-      slave->error_reported = 1;
-    }
-    return 0;
-  }
-
-  if (unlikely(!slave->desc->read)) {
-    if (likely(slave->error_reported)) {
-      printk(KERN_WARNING "EtherCAT: Reading failed on slave %04X (addr %0X)"
-             " - Slave type (%s %s) has no read method.\n",
-             slave->station_address, (unsigned int) slave,
-             slave->desc->vendor_name, slave->desc->product_name);
-      slave->error_reported = 1;
-    }
-    return 0;
-  }
-
-  if (unlikely(channel >= slave->desc->channel_count)) {
-    if (likely(slave->error_reported)) {
-      printk(KERN_WARNING "EtherCAT: Reading failed on slave %4X (addr %0X)"
-             " - Type (%s %s) has no channel %i.\n",
-             slave->station_address, (unsigned int) slave,
-             slave->desc->vendor_name, slave->desc->product_name,
-             channel);
-      slave->error_reported = 1;
-    }
-    return 0;
-  }
-
-  if (unlikely(!slave->process_data)) {
-    if (likely(slave->error_reported)) {
-      printk(KERN_WARNING "EtherCAT: Reading failed on slave %4X (addr %0X)"
-             " - Slave does not belong to any process data object!\n",
-             slave->station_address, (unsigned int) slave);
-      slave->error_reported = 1;
-    }
-    return 0;
-  }
-
-  if (unlikely(slave->error_reported))
-    slave->error_reported = 0;
-
-  return slave->desc->read(slave->process_data, channel);
-}
-
-/*****************************************************************************/
-
-/**
-   Schreibt einen bestimmten Kanal des Slaves als Integer-Wert .
-
-   Prüft zuerst, ob der entsprechende Slave eine
-   bekannte Beschreibung besitzt, ob dort eine
-   write()-Funktion hinterlegt ist und ob die angegebene
-   Kanalnummer gültig ist. Wenn ja, wird der Wert entsprechend
-   kodiert und geschrieben.
-
-   @param slave EtherCAT-Slave
-   @param channel Kanalnummer
-   @param value Zu schreibender Wert
-*/
-
-void EtherCAT_write_value(EtherCAT_slave_t *slave,
-                          unsigned int channel,
-                          int value)
-{
-  if (unlikely(!slave->desc)) {
-    if (likely(slave->error_reported)) {
-      printk(KERN_WARNING "EtherCAT: Writing failed on slave %04X (addr %0X)"
-             " - Slave has no description.\n",
-             slave->station_address, (unsigned int) slave);
-      slave->error_reported = 1;
-    }
-    return;
-  }
-
-  if (unlikely(!slave->desc->write)) {
-    if (likely(slave->error_reported)) {
-      printk(KERN_WARNING "EtherCAT: Writing failed on slave %04X (addr %0X)"
-             " - Type (%s %s) has no write method.\n",
-             slave->station_address, (unsigned int) slave,
-             slave->desc->vendor_name, slave->desc->product_name);
-      slave->error_reported = 1;
-    }
-    return;
-  }
-
-  if (unlikely(channel >= slave->desc->channel_count)) {
-    if (likely(slave->error_reported)) {
-      printk(KERN_WARNING "EtherCAT: Writing failed on slave %4X (addr %0X)"
-             " - Type (%s %s) has no channel %i.\n",
-             slave->station_address, (unsigned int) slave,
-             slave->desc->vendor_name, slave->desc->product_name,
-             channel);
-      slave->error_reported = 1;
-    }
-    return;
-  }
-
-  if (unlikely(!slave->process_data)) {
-    if (likely(slave->error_reported)) {
-      printk(KERN_WARNING "EtherCAT: Writing failed on slave %4X (addr %0X)"
-             " - Slave does not belong to any process data object!\n",
-             slave->station_address, (unsigned int) slave);
-      slave->error_reported = 1;
-    }
-    return;
-  }
-
-  if (unlikely(slave->error_reported))
-    slave->error_reported = 0;
-
-  slave->desc->write(slave->process_data, channel, value);
-}
-
-/*****************************************************************************/
-
-EXPORT_SYMBOL(EtherCAT_write_value);
-EXPORT_SYMBOL(EtherCAT_read_value);
-
-/*****************************************************************************/
-
-/* Emacs-Konfiguration
-;;; Local Variables: ***
-;;; c-basic-offset:2 ***
-;;; End: ***
-*/
--- a/drivers/ec_slave.h	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,77 +0,0 @@
-/******************************************************************************
- *
- *  e c _ s l a v e . h
- *
- *  Struktur für einen EtherCAT-Slave.
- *
- *  $Id$
- *
- *****************************************************************************/
-
-#ifndef _EC_SLAVE_H_
-#define _EC_SLAVE_H_
-
-#include "ec_types.h"
-
-/*****************************************************************************/
-
-/**
-   EtherCAT-Slave
-
-   Achtung: Bei Änderungen dieser Struktur immer das Define
-   ECAT_INIT_SLAVE anpassen!
-*/
-
-typedef struct
-{
-  // Base data
-  unsigned char type; /**< Slave-Typ */
-  unsigned char revision; /**< Revision */
-  unsigned short build; /**< Build-Nummer */
-
-  // Addresses
-  short ring_position; /**< (Negative) Position des Slaves im Bus */
-  unsigned short station_address; /**< Konfigurierte Slave-Adresse */
-
-  // Slave information interface
-  unsigned int vendor_id; /**< Identifikationsnummer des Herstellers */
-  unsigned int product_code; /**< Herstellerspezifischer Produktcode */
-  unsigned int revision_number; /**< Revisionsnummer */
-  unsigned int serial_number; /**< Seriennummer der Klemme */
-
-  const EtherCAT_slave_desc_t *desc; /**< Zeiger auf die Beschreibung
-                                        des Slave-Typs */
-
-  unsigned int logical_address; /**< Konfigurierte, logische adresse */
-
-  EtherCAT_state_t current_state; /**< Aktueller Zustand */
-  EtherCAT_state_t requested_state; /**< Angeforderter Zustand */
-
-  unsigned char *process_data; /**< Zeiger auf den Speicherbereich
-                                  innerhalb eines Prozessdatenobjekts */
-  unsigned int domain; /**< Prozessdatendomäne */
-  int error_reported; /**< Ein Zugriffsfehler wurde bereits gemeldet */
-}
-EtherCAT_slave_t;
-
-#define ECAT_INIT_SLAVE(TYPE, DOMAIN) {0, 0, 0, 0, 0, 0, 0, 0, 0, \
-                                       TYPE, 0, ECAT_STATE_UNKNOWN, \
-                                       ECAT_STATE_UNKNOWN, NULL, DOMAIN, 0}
-
-/*****************************************************************************/
-
-// Slave construction and deletion
-void EtherCAT_slave_init(EtherCAT_slave_t *);
-
-int EtherCAT_read_value(EtherCAT_slave_t *, unsigned int);
-void EtherCAT_write_value(EtherCAT_slave_t *, unsigned int, int);
-
-/*****************************************************************************/
-
-#endif
-
-/* Emacs-Konfiguration
-;;; Local Variables: ***
-;;; c-basic-offset:2 ***
-;;; End: ***
-*/
--- a/drivers/ec_types.c	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,199 +0,0 @@
-/******************************************************************************
- *
- *  e c _ t y p e s . c
- *
- *  EtherCAT-Slave-Typen.
- *
- *  $Id$
- *
- *****************************************************************************/
-
-#include <linux/module.h>
-
-#include "ec_globals.h"
-#include "ec_types.h"
-
-/*****************************************************************************/
-
-/* Konfigurationen der Sync-Manager */
-
-unsigned char sm0_multi[] = {0x00, 0x18, 0xF6, 0x00, 0x26, 0x00, 0x01, 0x00};
-unsigned char sm1_multi[] = {0xF6, 0x18, 0xF6, 0x00, 0x22, 0x00, 0x01, 0x00};
-
-unsigned char sm0_1014[] = {0x00, 0x10, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00};
-
-unsigned char sm0_2004[] = {0x00, 0x0F, 0x01, 0x00, 0x46, 0x00, 0x01, 0x00};
-
-unsigned char sm2_31xx[] = {0x00, 0x10, 0x04, 0x00, 0x24, 0x00, 0x00, 0x00};
-unsigned char sm3_31xx[] = {0x00, 0x11, 0x06, 0x00, 0x20, 0x00, 0x01, 0x00};
-
-unsigned char sm2_41xx[] = {0x00, 0x10, 0x04, 0x00, 0x24, 0x00, 0x01, 0x00};
-
-/* Konfigurationen der Memory-Management-Units */
-
-unsigned char fmmu0_1014[] = {0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x07,
-                              0x00, 0x10, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00};
-
-unsigned char fmmu0_2004[] = {0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x07,
-                              0x00, 0x0F, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00};
-
-unsigned char fmmu0_31xx[] = {0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x07,
-                              0x00, 0x11, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00};
-
-unsigned char fmmu0_41xx[] = {0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x07,
-                              0x00, 0x10, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00};
-
-/*****************************************************************************/
-
-/* Lese- und Schreibfunktionen */
-
-int read_1014(unsigned char *data, unsigned int channel)
-{
-  return (data[0] >> channel) & 0x01;
-}
-
-void write_2004(unsigned char *data, unsigned int channel, int value)
-{
-  if (value)
-  {
-    data[0] |= (1 << channel);
-  }
-  else
-  {
-    data[0] &= ~(1 << channel);
-  }
-}
-
-int read_31xx(unsigned char *data, unsigned int channel)
-{
-  return (short int) ((data[channel * 3 + 2] << 8) | data[channel * 3 + 1]);
-}
-
-void write_41xx(unsigned char *data, unsigned int channel, int value)
-{
-  data[channel * 3 + 1] = (value & 0xFF00) >> 8;
-  data[channel * 3 + 2] = value & 0xFF;
-}
-
-/*****************************************************************************/
-
-/* Klemmen-Objekte */
-
-EtherCAT_slave_desc_t Beckhoff_EK1100[] =
-{{
-  "Beckhoff", "EK1100", "Bus Coupler",
-  ECAT_ST_SIMPLE_NOSYNC,
-  NULL, NULL, NULL, NULL,
-  NULL,
-  0, 0,
-  NULL, NULL
-}};
-
-EtherCAT_slave_desc_t Beckhoff_EL1014[] =
-{{
-  "Beckhoff", "EL1014", "4x Digital Input",
-  ECAT_ST_SIMPLE,
-  sm0_1014, NULL, NULL, NULL,
-  fmmu0_1014,
-  1, 4,
-  read_1014, NULL
-}};
-
-EtherCAT_slave_desc_t Beckhoff_EL2004[] =
-{{
-  "Beckhoff", "EL2004", "4x Digital Output",
-  ECAT_ST_SIMPLE,
-  sm0_2004, NULL, NULL, NULL,
-  fmmu0_2004,
-  1, 4,
-  NULL, write_2004
-}};
-
-EtherCAT_slave_desc_t Beckhoff_EL3102[] =
-{{
-  "Beckhoff", "EL3102", "2x Analog Input diff.",
-  ECAT_ST_MAILBOX,
-  sm0_multi, sm1_multi, sm2_31xx, sm3_31xx,
-  fmmu0_31xx,
-  6, 2,
-  read_31xx, NULL
-}};
-
-EtherCAT_slave_desc_t Beckhoff_EL3162[] =
-{{
-  "Beckhoff", "EL3162", "2x Analog Input",
-  ECAT_ST_MAILBOX,
-  sm0_multi, sm1_multi, sm2_31xx, sm3_31xx,
-  fmmu0_31xx,
-  6, 2,
-  read_31xx, NULL
-}};
-
-EtherCAT_slave_desc_t Beckhoff_EL4102[] =
-{{
-  "Beckhoff", "EL4102", "2x Analog Output",
-  ECAT_ST_MAILBOX,
-  sm0_multi, sm1_multi, sm2_41xx, NULL,
-  fmmu0_41xx,
-  4, 2,
-  NULL, write_41xx
-}};
-
-EtherCAT_slave_desc_t Beckhoff_EL4132[] =
-{{
-  "Beckhoff", "EL4132", "2x Analog Output diff.",
-  ECAT_ST_MAILBOX,
-  sm0_multi, sm1_multi, sm2_41xx, NULL,
-  fmmu0_41xx,
-  4, 2,
-  NULL, write_41xx
-}};
-
-EtherCAT_slave_desc_t Beckhoff_EL5001[] =
-{{
-  "Beckhoff", "EL5001", "SSI-Interface",
-  ECAT_ST_SIMPLE,
-  NULL, NULL, NULL, NULL, // Noch nicht eingepflegt...
-  NULL,
-  0, 0,
-  NULL, NULL
-}};
-
-/*****************************************************************************/
-
-/**
-   Beziehung zwischen Identifikationsnummern und Klemmen-Objekt.
-
-   Diese Tabelle stellt die Beziehungen zwischen bestimmten Kombinationen
-   aus Vendor-IDs und Product-Codes und der entsprechenden Klemme her.
-   Neue Klemmen müssen hier eingetragen werden.
-*/
-
-EtherCAT_slave_ident_t slave_idents[] =
-{
-  {0x00000002, 0x03F63052, Beckhoff_EL1014},
-  {0x00000002, 0x044C2C52, Beckhoff_EK1100},
-  {0x00000002, 0x07D43052, Beckhoff_EL2004},
-  {0x00000002, 0x0C1E3052, Beckhoff_EL3102},
-  {0x00000002, 0x0C5A3052, Beckhoff_EL3162},
-  {0x00000002, 0x10063052, Beckhoff_EL4102},
-  {0x00000002, 0x10243052, Beckhoff_EL4132},
-  {0x00000002, 0x13893052, Beckhoff_EL5001}
-};
-
-unsigned int slave_ident_count = sizeof(slave_idents)
-     / sizeof(EtherCAT_slave_ident_t);
-
-
-/*****************************************************************************/
-
-EXPORT_SYMBOL(Beckhoff_EK1100);
-EXPORT_SYMBOL(Beckhoff_EL1014);
-EXPORT_SYMBOL(Beckhoff_EL2004);
-EXPORT_SYMBOL(Beckhoff_EL3102);
-EXPORT_SYMBOL(Beckhoff_EL3162);
-EXPORT_SYMBOL(Beckhoff_EL4102);
-EXPORT_SYMBOL(Beckhoff_EL4132);
-EXPORT_SYMBOL(Beckhoff_EL5001);
-
-/*****************************************************************************/
--- a/drivers/ec_types.h	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,107 +0,0 @@
-/******************************************************************************
- *
- *  e c _ t y p e s . h
- *
- *  EtherCAT-Slave-Typen.
- *
- *  $Id$
- *
- *****************************************************************************/
-
-#ifndef _EC_TYPES_H_
-#define _EC_TYPES_H_
-
-/*****************************************************************************/
-
-/**
-   Typ eines EtherCAT-Slaves.
-
-   Dieser Typ muss für die Konfiguration bekannt sein. Der
-   Master entscheidet danach, ober bspw. Mailboxes konfigurieren,
-   oder Sync-Manager setzen soll.
-*/
-
-typedef enum
-{
-  ECAT_ST_SIMPLE, ECAT_ST_MAILBOX, ECAT_ST_SIMPLE_NOSYNC
-}
-EtherCAT_slave_type_t;
-
-/*****************************************************************************/
-
-/**
-   Beschreibung eines EtherCAT-Slave-Typs.
-
-   Diese Beschreibung dient zur Konfiguration einer bestimmten
-   Slave-Art. Sie enthält die Konfigurationsdaten für die
-   Slave-internen Sync-Manager und FMMU's.
-*/
-
-typedef struct slave_desc
-{
-  const char *vendor_name; /**< Name des Herstellers */
-  const char *product_name; /**< Name des Slaves-Typs */
-  const char *product_desc; /**< Genauere Beschreibung des Slave-Typs */
-
-  const EtherCAT_slave_type_t type; /**< Art des Slave-Typs */
-
-  const unsigned char *sm0; /**< Konfigurationsdaten des
-                               ersten Sync-Managers */
-  const unsigned char *sm1; /**< Konfigurationsdaten des
-                               zweiten Sync-Managers */
-  const unsigned char *sm2; /**< Konfigurationsdaten des
-                               dritten Sync-Managers */
-  const unsigned char *sm3; /**< Konfigurationsdaten des
-                               vierten Sync-Managers */
-
-  const unsigned char *fmmu0; /**< Konfigurationsdaten
-                                 der ersten FMMU */
-
-  const unsigned int process_data_size; /**< Länge der Prozessdaten in Bytes */
-  const unsigned int channel_count; /**< Anzahl der Kanäle */
-
-  int (*read) (unsigned char *, unsigned int); /**< Funktion zum Dekodieren
-                                                  und Lesen der Kanaldaten */
-  void (*write) (unsigned char *, unsigned int, int); /**< Funktion zum
-                                                         Kodieren und Schreiben
-                                                         der Kanaldaten */
-}
-EtherCAT_slave_desc_t;
-
-/*****************************************************************************/
-
-/**
-   Identifikation eines Slave-Typs.
-
-   Diese Struktur wird zur 1:n-Zuordnung von Hersteller- und
-   Produktcodes zu den einzelnen Slave-Typen verwendet.
-*/
-
-typedef struct slave_ident
-{
-  const unsigned int vendor_id; /**< Hersteller-Code */
-  const unsigned int product_code; /**< Herstellerspezifischer Produktcode */
-  const EtherCAT_slave_desc_t *desc; /**< Zeiger auf den dazugehörigen
-                                        Slave-Typ */
-}
-EtherCAT_slave_ident_t;
-
-extern EtherCAT_slave_ident_t slave_idents[]; /**< Statisches Array der
-                                                 Slave-Identifikationen */
-extern unsigned int slave_ident_count; /**< Anzahl der vorhandenen
-                                          Slave-Identifikationen */
-
-/*****************************************************************************/
-
-extern EtherCAT_slave_desc_t Beckhoff_EK1100[];
-extern EtherCAT_slave_desc_t Beckhoff_EL1014[];
-extern EtherCAT_slave_desc_t Beckhoff_EL2004[];
-extern EtherCAT_slave_desc_t Beckhoff_EL3102[];
-extern EtherCAT_slave_desc_t Beckhoff_EL3162[];
-extern EtherCAT_slave_desc_t Beckhoff_EL4102[];
-extern EtherCAT_slave_desc_t Beckhoff_EL4132[];
-extern EtherCAT_slave_desc_t Beckhoff_EL5001[];
-
-/*****************************************************************************/
-
-#endif
--- a/drivers/original_8139too.c	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,2646 +0,0 @@
-/*
-
-	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	"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>
-
-#define RTL8139_DRIVER_NAME   DRV_NAME " Fast Ethernet driver " DRV_VERSION
-#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;
-
-/*
- * 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,}
-};
-MODULE_DEVICE_TABLE (pci, rtl8139_pci_tbl);
-
-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;
-};
-
-MODULE_AUTHOR ("Jeff Garzik <jgarzik@pobox.com>");
-MODULE_DESCRIPTION ("RealTek RTL-8139 Fast Ethernet driver");
-MODULE_LICENSE("GPL");
-MODULE_VERSION(DRV_VERSION);
-
-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)");
-
-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);
-static int rtl8139_poll(struct net_device *dev, int *budget);
-#ifdef CONFIG_NET_POLL_CONTROLLER
-static void rtl8139_poll_controller(struct net_device *dev);
-#endif
-static 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);
-
-	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 */
-	DPRINTK("about to register device named %s (%p)...\n", dev->name, dev);
-	i = register_netdev (dev);
-	if (i) goto err_out;
-
-	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);
-
-	unregister_netdev (dev);
-
-	__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;
-
-	retval = request_irq (dev->irq, rtl8139_interrupt, SA_SHIRQ, dev->name, dev);
-	if (retval)
-		return retval;
-
-	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) {
-		free_irq(dev->irq, dev);
-
-		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);
-	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);
-
-	return 0;
-}
-
-
-static void rtl_check_media (struct net_device *dev, unsigned int init_media)
-{
-	struct rtl8139_private *tp = netdev_priv(dev);
-
-	if (tp->phys[0] >= 0) {
-		mii_check_media(&tp->mii, netif_msg_link(tp), init_media);
-	}
-}
-
-/* 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);
-
-	/* Enable all known interrupts by setting the interrupt mask. */
-	RTL_W16 (IntrMask, rtl8139_intr_mask);
-}
-
-
-/* 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);
-
-	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);
-}
-
-
-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;
-
-	/* 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]);
-		dev_kfree_skb(skb);
-	} else {
-		dev_kfree_skb(skb);
-		tp->stats.tx_dropped++;
-		return 0;
-	}
-
-	spin_lock_irq(&tp->lock);
-	RTL_W32_F (TxStatus0 + (entry * sizeof (u32)),
-		   tp->tx_flag | max(len, (unsigned int)ETH_ZLEN));
-
-	dev->trans_start = jiffies;
-
-	tp->cur_tx++;
-	wmb();
-
-	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);
-
-	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--;
-	}
-
-#ifndef RTL8139_NDEBUG
-	if (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 */
-
-	/* 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();
-		netif_wake_queue (dev);
-	}
-}
-
-
-/* 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));
-
-	while (netif_running(dev) && received < budget 
-	       && (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) {
-		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;
-
-		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);
-#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;
-		}
-
-		/* 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++;
-		}
-		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);
-	}
-}
-
-static 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. */
-static 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;
-
-	spin_lock (&tp->lock);
-	status = RTL_R16 (IntrStatus);
-
-	/* shared irq? */
-	if (unlikely((status & rtl8139_intr_mask) == 0)) 
-		goto out;
-
-	handled = 1;
-
-	/* h/w no longer present (hotplug?) or major error, bail */
-	if (unlikely(status == 0xFFFF)) 
-		goto out;
-
-	/* close possible race's with dev_close */
-	if (unlikely(!netif_running(dev))) {
-		RTL_W16 (IntrMask, 0);
-		goto out;
-	}
-
-	/* 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. */
-	if (status & RxAckBits){
-		if (netif_rx_schedule_prep(dev)) {
-			RTL_W16_F (IntrMask, rtl8139_norx_intr_mask);
-			__netif_rx_schedule (dev);
-		}
-	}
-
-	/* 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:
-	spin_unlock (&tp->lock);
-
-	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;
-
-	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);
-
-	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;
-
-	if (!netif_running(dev))
-		return -EINVAL;
-
-	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;
-
-	if (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);
-	}
-
-	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);
-
-	if (!netif_running (dev))
-		return 0;
-
-	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);
-	if (!netif_running (dev))
-		return 0;
-	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)
-{
-	/* when we're a module, we always print a version message,
-	 * even if no 8139 board is found.
-	 */
-#ifdef MODULE
-	printk (KERN_INFO RTL8139_DRIVER_NAME "\n");
-#endif
-
-	return pci_module_init (&rtl8139_pci_driver);
-}
-
-
-static void __exit rtl8139_cleanup_module (void)
-{
-	pci_unregister_driver (&rtl8139_pci_driver);
-}
-
-
-module_init(rtl8139_init_module);
-module_exit(rtl8139_cleanup_module);
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/EtherCAT_dev.h	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,42 @@
+/******************************************************************************
+ *
+ * Oeffentliche EtherCAT-Schnittstellen fuer EtherCAT-Geraetetreiber.
+ *
+ * $Id$
+ *
+ *****************************************************************************/
+
+#ifndef _ETHERCAT_DEVICE_H_
+#define _ETHERCAT_DEVICE_H_
+
+#include <linux/netdevice.h>
+
+/*****************************************************************************/
+
+struct ec_device;
+
+typedef struct ec_device ec_device_t;
+
+/*****************************************************************************/
+
+typedef enum
+{
+  EC_DEVICE_STATE_READY, EC_DEVICE_STATE_SENT, EC_DEVICE_STATE_RECEIVED,
+  EC_DEVICE_STATE_TIMEOUT, EC_DEVICE_STATE_ERROR
+}
+ec_device_state_t;
+
+/*****************************************************************************/
+
+ec_device_t *EtherCAT_dev_register(unsigned int, struct net_device *,
+                                   irqreturn_t (*)(int, void *,
+                                                   struct pt_regs *),
+                                   struct module *);
+void EtherCAT_dev_unregister(unsigned int);
+int EtherCAT_dev_is_ec(ec_device_t *, struct net_device *);
+void EtherCAT_dev_state(ec_device_t *, ec_device_state_t);
+int EtherCAT_dev_receive(ec_device_t *, void *, unsigned int);
+
+/*****************************************************************************/
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/EtherCAT_rt.h	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,36 @@
+/******************************************************************************
+ *
+ * Oeffentliche EtherCAT-Schnittstellen fuer Echtzeitprozesse.
+ *
+ * $Id$
+ *
+ *****************************************************************************/
+
+#ifndef _ETHERCAT_RT_H_
+#define _ETHERCAT_RT_H_
+
+/*****************************************************************************/
+
+struct ec_master;
+typedef struct ec_master ec_master_t;
+
+/*****************************************************************************/
+
+ec_master_t *EtherCAT_rt_request_master(unsigned int master_index);
+
+void EtherCAT_rt_release_master(ec_master_t *master);
+
+void *EtherCAT_rt_register_slave(ec_master_t *master, unsigned int slave_index,
+                                 const char *vendor_name,
+                                 const char *product_name);
+
+int EtherCAT_rt_activate_slaves(ec_master_t *master);
+
+int EtherCAT_rt_deactivate_slaves(ec_master_t *master);
+
+int EtherCAT_rt_domain_cycle(ec_master_t *master, unsigned int domain,
+                             unsigned int timeout_us);
+
+/*****************************************************************************/
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/Makefile	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,46 @@
+#------------------------------------------------------------------------------
+#
+#  Makefile
+#
+#  IgH EtherCAT-Treiber
+#
+#  $Id$
+#
+#------------------------------------------------------------------------------
+
+ifneq ($(KERNELRELEASE),)
+
+#------------------------------------------------------------------------------
+# Kbuild-Abschnitt
+
+obj-m := ec_master.o
+
+ec_master-objs := module.o master.o device.o slave.o command.o types.o domain.o
+
+REV = `svnversion $(src)`
+DATE = `date`
+
+EXTRA_CFLAGS = -DEC_REV="$(REV)" -DEC_USER="$(USER)" -DEC_DATE="$(DATE)"
+
+#------------------------------------------------------------------------------
+
+else
+
+#------------------------------------------------------------------------------
+# Default-Abschnitt
+
+ifneq ($(wildcard ethercat.conf),)
+include ethercat.conf
+else
+KERNELDIR = /lib/modules/`uname -r`/build
+endif
+
+modules:
+	$(MAKE) -C $(KERNELDIR) M=`pwd` modules
+
+clean:
+	$(MAKE) -C $(KERNELDIR) M=`pwd` clean
+
+#------------------------------------------------------------------------------
+
+endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/command.c	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,250 @@
+/******************************************************************************
+ *
+ *  c o m m a n d . c
+ *
+ *  Methoden für ein EtherCAT-Kommando.
+ *
+ *  $Id$
+ *
+ *****************************************************************************/
+
+#include <linux/slab.h>
+
+#include "command.h"
+
+/*****************************************************************************/
+
+/**
+   Kommando-Konstruktor.
+
+   Initialisiert alle Variablen innerhalb des Kommandos auf die
+   Default-Werte.
+
+   @param cmd Zeiger auf das zu initialisierende Kommando.
+*/
+
+void ec_command_init(ec_command_t *cmd)
+{
+  cmd->type = EC_COMMAND_NONE;
+  cmd->address.logical = 0x00000000;
+  cmd->data_length = 0;
+  cmd->state = EC_COMMAND_STATE_READY;
+  cmd->index = 0;
+  cmd->working_counter = 0;
+}
+
+/*****************************************************************************/
+
+/**
+   Kommando-Destruktor.
+
+   Setzt alle Attribute auf den Anfangswert zurueck.
+
+   @param cmd Zeiger auf das zu initialisierende Kommando.
+*/
+
+void ec_command_clear(ec_command_t *cmd)
+{
+  ec_command_init(cmd);
+}
+
+/*****************************************************************************/
+
+#define EC_FUNC_HEADER \
+  ec_command_init(cmd)
+
+#define EC_FUNC_WRITE_FOOTER \
+  cmd->data_length = length; \
+  memcpy(cmd->data, data, length);
+
+#define EC_FUNC_READ_FOOTER \
+  cmd->data_length = length;
+
+/*****************************************************************************/
+
+/**
+   Initialisiert ein EtherCAT-NPRD-Kommando.
+
+   @param cmd Zeiger auf das Kommando
+   @param node_address Adresse des Knotens (Slaves)
+   @param offset Physikalische Speicheradresse im Slave
+   @param length Länge der zu lesenden Daten
+*/
+
+void ec_command_read(ec_command_t *cmd, unsigned short node_address,
+                     unsigned short offset, unsigned int length)
+{
+  if (unlikely(node_address == 0x0000))
+    printk(KERN_WARNING "EtherCAT: Warning - Using node address 0x0000!\n");
+
+  EC_FUNC_HEADER;
+
+  cmd->type = EC_COMMAND_NPRD;
+  cmd->address.phy.dev.node = node_address;
+  cmd->address.phy.mem = offset;
+
+  EC_FUNC_READ_FOOTER;
+}
+
+/*****************************************************************************/
+
+/**
+   Initialisiert ein EtherCAT-NPWR-Kommando.
+
+   Alloziert ein "node-adressed physical write"-Kommando
+   und fügt es in die Liste des Masters ein.
+
+   @param cmd Zeiger auf das Kommando
+   @param node_address Adresse des Knotens (Slaves)
+   @param offset Physikalische Speicheradresse im Slave
+   @param length Länge der zu schreibenden Daten
+   @param data Zeiger auf Speicher mit zu schreibenden Daten
+*/
+
+void ec_command_write(ec_command_t *cmd, unsigned short node_address,
+                      unsigned short offset, unsigned int length,
+                      const unsigned char *data)
+{
+  if (unlikely(node_address == 0x0000))
+    printk(KERN_WARNING "EtherCAT: Warning - Using node address 0x0000!\n");
+
+  EC_FUNC_HEADER;
+
+  cmd->type = EC_COMMAND_NPWR;
+  cmd->address.phy.dev.node = node_address;
+  cmd->address.phy.mem = offset;
+
+  EC_FUNC_WRITE_FOOTER;
+}
+
+/*****************************************************************************/
+
+/**
+   Initialisiert ein EtherCAT-APRD-Kommando.
+
+   Alloziert ein "autoincerement physical read"-Kommando
+   und fügt es in die Liste des Masters ein.
+
+   @param cmd Zeiger auf das Kommando
+   @param ring_position (Negative) Position des Slaves im Bus
+   @param offset Physikalische Speicheradresse im Slave
+   @param length Länge der zu lesenden Daten
+*/
+
+void ec_command_position_read(ec_command_t *cmd, short ring_position,
+                              unsigned short offset, unsigned int length)
+{
+  EC_FUNC_HEADER;
+
+  cmd->type = EC_COMMAND_APRD;
+  cmd->address.phy.dev.pos = ring_position;
+  cmd->address.phy.mem = offset;
+
+  EC_FUNC_READ_FOOTER;
+}
+
+/*****************************************************************************/
+
+/**
+   Initialisiert ein EtherCAT-APWR-Kommando.
+
+   Alloziert ein "autoincrement physical write"-Kommando
+   und fügt es in die Liste des Masters ein.
+
+   @param cmd Zeiger auf das Kommando
+   @param ring_position (Negative) Position des Slaves im Bus
+   @param offset Physikalische Speicheradresse im Slave
+   @param length Länge der zu schreibenden Daten
+   @param data Zeiger auf Speicher mit zu schreibenden Daten
+*/
+
+void ec_command_position_write(ec_command_t *cmd, short ring_position,
+                               unsigned short offset, unsigned int length,
+                               const unsigned char *data)
+{
+  EC_FUNC_HEADER;
+
+  cmd->type = EC_COMMAND_APWR;
+  cmd->address.phy.dev.pos = ring_position;
+  cmd->address.phy.mem = offset;
+
+  EC_FUNC_WRITE_FOOTER;
+}
+
+/*****************************************************************************/
+
+/**
+   Initialisiert ein EtherCAT-BRD-Kommando.
+
+   Alloziert ein "broadcast read"-Kommando
+   und fügt es in die Liste des Masters ein.
+
+   @param cmd Zeiger auf das Kommando
+   @param offset Physikalische Speicheradresse im Slave
+   @param length Länge der zu lesenden Daten
+*/
+
+void ec_command_broadcast_read(ec_command_t *cmd, unsigned short offset,
+                               unsigned int length)
+{
+  EC_FUNC_HEADER;
+
+  cmd->type = EC_COMMAND_BRD;
+  cmd->address.phy.dev.node = 0x0000;
+  cmd->address.phy.mem = offset;
+
+  EC_FUNC_READ_FOOTER;
+}
+
+/*****************************************************************************/
+
+/**
+   Initialisiert ein EtherCAT-BWR-Kommando.
+
+   Alloziert ein "broadcast write"-Kommando
+   und fügt es in die Liste des Masters ein.
+
+   @param cmd Zeiger auf das Kommando
+   @param offset Physikalische Speicheradresse im Slave
+   @param length Länge der zu schreibenden Daten
+   @param data Zeiger auf Speicher mit zu schreibenden Daten
+*/
+
+void ec_command_broadcast_write(ec_command_t *cmd, unsigned short offset,
+                                unsigned int length, const unsigned char *data)
+{
+  EC_FUNC_HEADER;
+
+  cmd->type = EC_COMMAND_BWR;
+  cmd->address.phy.dev.node = 0x0000;
+  cmd->address.phy.mem = offset;
+
+  EC_FUNC_WRITE_FOOTER;
+}
+
+/*****************************************************************************/
+
+/**
+   Initialisiert ein EtherCAT-LRW-Kommando.
+
+   Alloziert ein "logical read write"-Kommando
+   und fügt es in die Liste des Masters ein.
+
+   @param cmd Zeiger auf das Kommando
+   @param offset Logische Speicheradresse
+   @param length Länge der zu lesenden/schreibenden Daten
+   @param data Zeiger auf Speicher mit zu lesenden/schreibenden Daten
+*/
+
+void ec_command_logical_read_write(ec_command_t *cmd, unsigned int offset,
+                                   unsigned int length, unsigned char *data)
+{
+  EC_FUNC_HEADER;
+
+  cmd->type = EC_COMMAND_LRW;
+  cmd->address.logical = offset;
+
+  EC_FUNC_WRITE_FOOTER;
+}
+
+/*****************************************************************************/
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/command.h	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,103 @@
+/******************************************************************************
+ *
+ *  c o m m a n d . h
+ *
+ *  Struktur für ein EtherCAT-Kommando.
+ *
+ *  $Id$
+ *
+ *****************************************************************************/
+
+#ifndef _EC_COMMAND_H_
+#define _EC_COMMAND_H_
+
+#include "globals.h"
+
+/*****************************************************************************/
+
+/**
+   Status eines EtherCAT-Kommandos.
+*/
+
+typedef enum
+{
+  EC_COMMAND_STATE_READY, EC_COMMAND_STATE_SENT, EC_COMMAND_STATE_RECEIVED
+}
+ec_command_state_t;
+
+/*****************************************************************************/
+
+/**
+   EtherCAT-Adresse.
+
+   Im EtherCAT-Rahmen sind 4 Bytes für die Adresse reserviert, die
+   ja nach Kommandoty eine andere bedeutung haben: Bei Autoinkrement-
+   befehlen sind die ersten zwei Bytes die (negative)
+   Autoinkrement-Adresse, bei Knoten-adressierten Befehlen entsprechen
+   sie der Knotenadresse. Das dritte und vierte Byte entspricht in
+   diesen Fällen der physikalischen Speicheradresse auf dem Slave.
+   Bei einer logischen Adressierung entsprechen alle vier Bytes
+   der logischen Adresse.
+*/
+
+typedef union
+{
+  struct
+  {
+    union
+    {
+      short pos; /**< (Negative) Ring-Position des Slaves */
+      unsigned short node; /**< Konfigurierte Knotenadresse */
+    }
+    dev;
+
+    unsigned short mem; /**< Physikalische Speicheradresse im Slave */
+  }
+  phy;
+
+  unsigned long logical; /**< Logische Adresse */
+  unsigned char raw[4]; /**< Rohdaten für die Generierung des Frames */
+}
+ec_address_t;
+
+/*****************************************************************************/
+
+/**
+   EtherCAT-Kommando.
+*/
+
+typedef struct ec_command
+{
+  ec_command_type_t type; /**< Typ des Kommandos (APRD, NPWR, etc...) */
+  ec_address_t address; /**< Adresse des/der Empfänger */
+  unsigned int data_length; /**< Länge der zu sendenden und/oder
+                               empfangenen Daten */
+  ec_command_state_t state; /**< Zustand des Kommandos
+                           (bereit, gesendet, etc...) */
+  unsigned char index; /**< Kommando-Index, mit der das Kommando gesendet
+                          wurde (wird vom Master beim Senden gesetzt. */
+  unsigned int working_counter; /**< Working-Counter bei Empfang (wird
+                                   vom Master gesetzt) */
+  unsigned char data[EC_FRAME_SIZE]; /**< Kommandodaten */
+}
+ec_command_t;
+
+/*****************************************************************************/
+
+void ec_command_read(ec_command_t *, unsigned short, unsigned short,
+                     unsigned int);
+void ec_command_write(ec_command_t *, unsigned short, unsigned short,
+                      unsigned int, const unsigned char *);
+void ec_command_position_read(ec_command_t *, short, unsigned short,
+                              unsigned int);
+void ec_command_position_write(ec_command_t *, short, unsigned short,
+                               unsigned int, const unsigned char *);
+void ec_command_broadcast_read(ec_command_t *, unsigned short, unsigned int);
+void ec_command_broadcast_write(ec_command_t *, unsigned short, unsigned int,
+                                const unsigned char *);
+void ec_command_logical_read_write(ec_command_t *, unsigned int, unsigned int,
+                                   unsigned char *);
+
+/*****************************************************************************/
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/device.c	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,383 @@
+/******************************************************************************
+ *
+ *  d e v i c e . c
+ *
+ *  Methoden für ein EtherCAT-Gerät.
+ *
+ *  $Id$
+ *
+ *****************************************************************************/
+
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/if_ether.h>
+#include <linux/netdevice.h>
+#include <linux/delay.h>
+
+#include "device.h"
+
+/*****************************************************************************/
+
+/**
+   EtherCAT-Geräte-Konstuktor.
+
+   Initialisiert ein EtherCAT-Gerät, indem es die Variablen
+   in der Struktur auf die Default-Werte setzt.
+
+   @param ecd Zu initialisierendes EtherCAT-Gerät
+*/
+
+int ec_device_init(ec_device_t *ecd)
+{
+  ecd->dev = NULL;
+  ecd->open = 0;
+  ecd->tx_time = 0;
+  ecd->rx_time = 0;
+  ecd->tx_intr_cnt = 0;
+  ecd->rx_intr_cnt = 0;
+  ecd->intr_cnt = 0;
+  ecd->state = EC_DEVICE_STATE_READY;
+  ecd->rx_data_length = 0;
+  ecd->isr = NULL;
+  ecd->module = NULL;
+  ecd->error_reported = 0;
+
+  if ((ecd->tx_skb = dev_alloc_skb(EC_FRAME_SIZE)) == NULL) {
+    printk(KERN_ERR "EtherCAT: Could not allocate device tx socket buffer!\n");
+    return -1;
+  }
+
+  if ((ecd->rx_skb = dev_alloc_skb(EC_FRAME_SIZE)) == NULL) {
+    dev_kfree_skb(ecd->tx_skb);
+    ecd->tx_skb = NULL;
+    printk(KERN_ERR "EtherCAT: Could not allocate device rx socket buffer!\n");
+    return -1;
+  }
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+/**
+   EtherCAT-Geräte-Destuktor.
+
+   Gibt den dynamisch allozierten Speicher des
+   EtherCAT-Gerätes (die beiden Socket-Buffer) wieder frei.
+
+   @param ecd EtherCAT-Gerät
+*/
+
+void ec_device_clear(ec_device_t *ecd)
+{
+  if (ecd->open) ec_device_close(ecd);
+
+  ecd->dev = NULL;
+
+  if (ecd->tx_skb) {
+    dev_kfree_skb(ecd->tx_skb);
+    ecd->tx_skb = NULL;
+  }
+
+  if (ecd->rx_skb) {
+    dev_kfree_skb(ecd->rx_skb);
+    ecd->rx_skb = NULL;
+  }
+}
+
+/*****************************************************************************/
+
+/**
+   Führt die open()-Funktion des Netzwerktreibers aus.
+
+   Dies entspricht einem "ifconfig up". Vorher wird der Zeiger
+   auf das EtherCAT-Gerät auf Gültigkeit geprüft und der
+   Gerätezustand zurückgesetzt.
+
+   @param ecd EtherCAT-Gerät
+
+   @return 0 bei Erfolg, < 0: Ungültiger Zeiger, oder open()
+   fehlgeschlagen
+*/
+
+int ec_device_open(ec_device_t *ecd)
+{
+  unsigned int i;
+
+  if (!ecd) {
+    printk(KERN_ERR "EtherCAT: Trying to open a NULL device!\n");
+    return -1;
+  }
+
+  if (!ecd->dev) {
+    printk(KERN_ERR "EtherCAT: No net_device to open!\n");
+    return -1;
+  }
+
+  if (ecd->open) {
+    printk(KERN_WARNING "EtherCAT: Device already opened!\n");
+  }
+  else {
+    // Device could have received frames before
+    for (i = 0; i < 4; i++) ec_device_call_isr(ecd);
+
+    // Reset old device state
+    ecd->state = EC_DEVICE_STATE_READY;
+    ecd->tx_intr_cnt = 0;
+    ecd->rx_intr_cnt = 0;
+
+    if (ecd->dev->open(ecd->dev) == 0) ecd->open = 1;
+  }
+
+  return ecd->open ? 0 : -1;
+}
+
+/*****************************************************************************/
+
+/**
+   Führt die stop()-Funktion des net_devices aus.
+
+   @param ecd EtherCAT-Gerät
+
+   @return 0 bei Erfolg, < 0: Kein Gerät zum Schliessen oder
+           Schliessen fehlgeschlagen.
+*/
+
+int ec_device_close(ec_device_t *ecd)
+{
+  if (!ecd->dev) {
+    printk(KERN_ERR "EtherCAT: No device to close!\n");
+    return -1;
+  }
+
+  if (!ecd->open) {
+    printk(KERN_WARNING "EtherCAT: Device already closed!\n");
+  }
+  else {
+    printk(KERN_INFO "EtherCAT: Stopping device (txcnt: %u, rxcnt: %u)\n",
+           (unsigned int) ecd->tx_intr_cnt, (unsigned int) ecd->rx_intr_cnt);
+
+    if (ecd->dev->stop(ecd->dev) == 0) ecd->open = 0;
+  }
+
+  return !ecd->open ? 0 : -1;
+}
+
+/*****************************************************************************/
+
+/**
+   Sendet einen Rahmen über das EtherCAT-Gerät.
+
+   Kopiert die zu sendenden Daten in den statischen Socket-
+   Buffer, fügt den Ethernat-II-Header hinzu und ruft die
+   start_xmit()-Funktion der Netzwerkkarte auf.
+
+   @param ecd EtherCAT-Gerät
+   @param data Zeiger auf die zu sendenden Daten
+   @param length Länge der zu sendenden Daten
+
+   @return 0 bei Erfolg, < 0: Vorheriger Rahmen noch
+   nicht empfangen, oder kein Speicher mehr vorhanden
+*/
+
+int ec_device_send(ec_device_t *ecd, unsigned char *data, unsigned int length)
+{
+  unsigned char *frame_data;
+  struct ethhdr *eth;
+
+  if (unlikely(ecd->state == EC_DEVICE_STATE_SENT)) {
+    printk(KERN_WARNING "EtherCAT: Warning - Trying to send frame while last "
+           " was not received!\n");
+  }
+
+  // Clear transmit socket buffer and reserve
+  // space for Ethernet-II header
+  skb_trim(ecd->tx_skb, 0);
+  skb_reserve(ecd->tx_skb, ETH_HLEN);
+
+  // Copy data to socket buffer
+  frame_data = skb_put(ecd->tx_skb, length);
+  memcpy(frame_data, data, length);
+
+  // Add Ethernet-II-Header
+  if (unlikely((eth = (struct ethhdr *)
+                skb_push(ecd->tx_skb, ETH_HLEN)) == NULL)) {
+    printk(KERN_ERR "EtherCAT: device_send -"
+           " Could not allocate Ethernet-II header!\n");
+    return -1;
+  }
+
+  // Protocol type
+  eth->h_proto = htons(0x88A4);
+  // Hardware address
+  memcpy(eth->h_source, ecd->dev->dev_addr, ecd->dev->addr_len);
+  // Broadcast address
+  memset(eth->h_dest, 0xFF, ecd->dev->addr_len);
+
+  rdtscl(ecd->tx_time); // Get CPU cycles
+
+  // Start sending of frame
+  ecd->state = EC_DEVICE_STATE_SENT;
+  ecd->dev->hard_start_xmit(ecd->tx_skb, ecd->dev);
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+/**
+   Holt einen empfangenen Rahmen von der Netzwerkkarte.
+
+   Zuerst wird geprüft, ob überhaupt ein Rahmen empfangen
+   wurde. Wenn ja, wird dieser in den angegebenen
+   Speicherbereich kopiert.
+
+   @param ecd EtherCAT-Gerät
+   @param data Zeiger auf den Speicherbereich, in den die
+               empfangenen Daten kopiert werden sollen
+
+   @return Anzahl der kopierten Bytes bei Erfolg, sonst < 0
+*/
+
+int ec_device_receive(ec_device_t *ecd, unsigned char *data)
+{
+  if (unlikely(ecd->state != EC_DEVICE_STATE_RECEIVED)) {
+    if (likely(ecd->error_reported)) {
+      printk(KERN_ERR "EtherCAT: receive - Nothing received!\n");
+      ecd->error_reported = 1;
+    }
+    return -1;
+  }
+
+  if (unlikely(ecd->rx_data_length > EC_FRAME_SIZE)) {
+    if (likely(ecd->error_reported)) {
+      printk(KERN_ERR "EtherCAT: receive - "
+             " Reveived frame is too long (%i Bytes)!\n",
+             ecd->rx_data_length);
+      ecd->error_reported = 1;
+    }
+    return -1;
+  }
+
+  if (unlikely(ecd->error_reported)) {
+    ecd->error_reported = 0;
+  }
+
+  memcpy(data, ecd->rx_data, ecd->rx_data_length);
+
+  return ecd->rx_data_length;
+}
+
+/*****************************************************************************/
+
+/**
+   Ruft die Interrupt-Routine der Netzwerkkarte auf.
+
+   @param ecd EtherCAT-Gerät
+
+   @return Anzahl der kopierten Bytes bei Erfolg, sonst < 0
+*/
+
+void ec_device_call_isr(ec_device_t *ecd)
+{
+  if (likely(ecd->isr)) ecd->isr(0, ecd->dev, NULL);
+}
+
+/*****************************************************************************/
+
+/**
+   Gibt alle Informationen über das Device-Objekt aus.
+
+   @param ecd EtherCAT-Gerät
+*/
+
+void ec_device_debug(ec_device_t *ecd)
+{
+  printk(KERN_DEBUG "---EtherCAT device information begin---\n");
+
+  if (ecd)
+  {
+    printk(KERN_DEBUG "Assigned net_device: %X\n",
+           (unsigned) ecd->dev);
+    printk(KERN_DEBUG "Transmit socket buffer: %X\n",
+           (unsigned) ecd->tx_skb);
+    printk(KERN_DEBUG "Receive socket buffer: %X\n",
+           (unsigned) ecd->rx_skb);
+    printk(KERN_DEBUG "Time of last transmission: %u\n",
+           (unsigned) ecd->tx_time);
+    printk(KERN_DEBUG "Time of last receive: %u\n",
+           (unsigned) ecd->rx_time);
+    printk(KERN_DEBUG "Number of transmit interrupts: %u\n",
+           (unsigned) ecd->tx_intr_cnt);
+    printk(KERN_DEBUG "Number of receive interrupts: %u\n",
+           (unsigned) ecd->rx_intr_cnt);
+    printk(KERN_DEBUG "Total Number of interrupts: %u\n",
+           (unsigned) ecd->intr_cnt);
+    printk(KERN_DEBUG "Actual device state: %i\n",
+           (int) ecd->state);
+    printk(KERN_DEBUG "Receive buffer: %X\n",
+           (unsigned) ecd->rx_data);
+    printk(KERN_DEBUG "Receive buffer fill state: %u/%u\n",
+           (unsigned) ecd->rx_data_length, EC_FRAME_SIZE);
+  }
+  else
+  {
+    printk(KERN_DEBUG "Device is NULL!\n");
+  }
+
+  printk(KERN_DEBUG "---EtherCAT device information end---\n");
+}
+
+/******************************************************************************
+ *
+ * Treiberschnittstelle
+ *
+ *****************************************************************************/
+
+void EtherCAT_dev_state(ec_device_t *ecd, ec_device_state_t state)
+{
+  if (state == EC_DEVICE_STATE_TIMEOUT && ecd->state != EC_DEVICE_STATE_SENT) {
+    printk(KERN_WARNING "EtherCAT: Wrong status at timeout: %i\n", ecd->state);
+  }
+
+  ecd->state = state;
+}
+
+/*****************************************************************************/
+
+int EtherCAT_dev_is_ec(ec_device_t *ecd, struct net_device *dev)
+{
+  return ecd->dev == dev;
+}
+
+/*****************************************************************************/
+
+int EtherCAT_dev_receive(ec_device_t *ecd, void *data, unsigned int size)
+{
+  if (ecd->state != EC_DEVICE_STATE_SENT)
+  {
+    printk(KERN_WARNING "EtherCAT: Received frame while not in SENT state!\n");
+    return -1;
+  }
+
+  // Copy received data to ethercat-device buffer, skip Ethernet-II header
+  memcpy(ecd->rx_data, data, size);
+  ecd->rx_data_length = size;
+  ecd->state = EC_DEVICE_STATE_RECEIVED;
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+EXPORT_SYMBOL(EtherCAT_dev_is_ec);
+EXPORT_SYMBOL(EtherCAT_dev_state);
+EXPORT_SYMBOL(EtherCAT_dev_receive);
+
+/*****************************************************************************/
+
+/* Emacs-Konfiguration
+;;; Local Variables: ***
+;;; c-basic-offset:2 ***
+;;; End: ***
+*/
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/device.h	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,65 @@
+/******************************************************************************
+ *
+ *  d e v i c e . h
+ *
+ *  Struktur für ein EtherCAT-Gerät.
+ *
+ *  $Id$
+ *
+ *****************************************************************************/
+
+#ifndef _EC_DEVICE_H_
+#define _EC_DEVICE_H_
+
+#include <linux/interrupt.h>
+
+#include "globals.h"
+#include "../include/EtherCAT_dev.h"
+
+/*****************************************************************************/
+
+/**
+   EtherCAT-Gerät.
+
+   Ein EtherCAT-Gerät ist eine Netzwerkkarte, die vom
+   EtherCAT-Master dazu verwendet wird, um Frames zu senden
+   und zu empfangen.
+*/
+
+struct ec_device
+{
+  struct net_device *dev;    /**< Zeiger auf das reservierte net_device */
+  unsigned int open;         /**< Das net_device ist geoeffnet. */
+  struct sk_buff *tx_skb;    /**< Zeiger auf Transmit-Socketbuffer */
+  struct sk_buff *rx_skb;    /**< Zeiger auf Receive-Socketbuffer */
+  unsigned long tx_time;     /**< Zeit des letzten Sendens */
+  unsigned long rx_time;     /**< Zeit des letzten Empfangs */
+  unsigned long tx_intr_cnt; /**< Anzahl Tx-Interrupts */
+  unsigned long rx_intr_cnt; /**< Anzahl Rx-Interrupts */
+  unsigned long intr_cnt;    /**< Anzahl Interrupts */
+  volatile ec_device_state_t state; /**< Gesendet, Empfangen,
+                                       Timeout, etc. */
+  unsigned char rx_data[EC_FRAME_SIZE]; /**< Puffer für
+                                           empfangene Rahmen */
+  volatile unsigned int rx_data_length; /**< Länge des zuletzt
+                                           empfangenen Rahmens */
+  irqreturn_t (*isr)(int, void *, struct pt_regs *); /**< Adresse der ISR */
+  struct module *module; /**< Zeiger auf das Modul, das das Gerät zur
+                            Verfügung stellt. */
+  int error_reported; /**< Zeigt an, ob ein Fehler im zyklischen Code
+                         bereits gemeldet wurde. */
+};
+
+/*****************************************************************************/
+
+int ec_device_init(ec_device_t *);
+void ec_device_clear(ec_device_t *);
+int ec_device_open(ec_device_t *);
+int ec_device_close(ec_device_t *);
+void ec_device_call_isr(ec_device_t *);
+int ec_device_send(ec_device_t *, unsigned char *, unsigned int);
+int ec_device_receive(ec_device_t *, unsigned char *);
+
+/*****************************************************************************/
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/domain.c	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,40 @@
+/******************************************************************************
+ *
+ *  d o m a i n . c
+ *
+ *  Methoden für Gruppen von EtherCAT-Slaves.
+ *
+ *  $Id$
+ *
+ *****************************************************************************/
+
+#include <linux/module.h>
+
+#include "globals.h"
+#include "domain.h"
+
+/*****************************************************************************/
+
+/**
+   Konstruktor einer EtherCAT-Domäne.
+
+   @param pd Zeiger auf die zu initialisierende Domäne
+*/
+
+void ec_domain_init(ec_domain_t *dom)
+{
+  dom->number = 0;
+  dom->data_size = 0;
+  dom->logical_offset = 0;
+  dom->response_count = 0;
+
+  memset(dom->data, 0x00, EC_FRAME_SIZE);
+}
+
+/*****************************************************************************/
+
+/* Emacs-Konfiguration
+;;; Local Variables: ***
+;;; c-basic-offset:2 ***
+;;; End: ***
+*/
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/domain.h	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,51 @@
+/******************************************************************************
+ *
+ *  d o m a i n . h
+ *
+ *  Struktur für eine Gruppe von EtherCAT-Slaves.
+ *
+ *  $Id$
+ *
+ *****************************************************************************/
+
+#ifndef _EC_DOMAIN_H_
+#define _EC_DOMAIN_H_
+
+#include "globals.h"
+#include "slave.h"
+#include "command.h"
+
+/*****************************************************************************/
+
+/**
+   EtherCAT-Domäne
+
+   Verwaltet die Prozessdaten und das hierfür nötige Kommando einer bestimmten
+   Menge von Slaves.
+*/
+
+typedef struct ec_domain
+{
+  unsigned int number; /*<< Domänen-Identifikation */
+  ec_command_t command; /**< Kommando zum Senden und Empfangen der
+                           Prozessdaten */
+  unsigned char data[EC_FRAME_SIZE]; /**< Prozessdaten-Array */
+  unsigned int data_size; /**< Größe der Prozessdaten */
+  unsigned int logical_offset; /**< Logische Basisaddresse */
+  unsigned int response_count; /**< Anzahl antwortender Slaves */
+}
+ec_domain_t;
+
+/*****************************************************************************/
+
+void ec_domain_init(ec_domain_t *);
+
+/*****************************************************************************/
+
+#endif
+
+/* Emacs-Konfiguration
+;;; Local Variables: ***
+;;; c-basic-offset:2 ***
+;;; End: ***
+*/
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/globals.h	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,77 @@
+/******************************************************************************
+ *
+ *  g l o b a l s . h
+ *
+ *  Globale Definitionen und Makros für das EtherCAT-Protokoll.
+ *
+ *  $Id$
+ *
+ *****************************************************************************/
+
+#ifndef _EC_GLOBALS_
+#define _EC_GLOBALS_
+
+/*****************************************************************************/
+
+/**
+   Maximale Größe eines EtherCAT-Frames
+*/
+#define EC_FRAME_SIZE 1500
+
+/**
+   Maximale Anzahl der Prozessdatendomänen in einem Master
+*/
+#define EC_MAX_DOMAINS 10
+
+/**
+   NULL-Define, falls noch nicht definiert.
+*/
+
+#ifndef NULL
+#define NULL ((void *) 0)
+#endif
+
+/*****************************************************************************/
+
+/**
+   EtherCAT-Kommando-Typ
+*/
+
+typedef enum
+{
+  EC_COMMAND_NONE = 0x00, /**< Dummy */
+  EC_COMMAND_APRD = 0x01, /**< Auto-increment physical read */
+  EC_COMMAND_APWR = 0x02, /**< Auto-increment physical write */
+  EC_COMMAND_NPRD = 0x04, /**< Node-addressed physical read */
+  EC_COMMAND_NPWR = 0x05, /**< Node-addressed physical write */
+  EC_COMMAND_BRD = 0x07,  /**< Broadcast read */
+  EC_COMMAND_BWR = 0x08,  /**< Broadcast write */
+  EC_COMMAND_LRW = 0x0C   /**< Logical read/write */
+}
+ec_command_type_t;
+
+/*****************************************************************************/
+
+/**
+   Zustand eines EtherCAT-Slaves
+*/
+
+typedef enum
+{
+  EC_SLAVE_STATE_UNKNOWN = 0x00, /**< Status unbekannt */
+  EC_SLAVE_STATE_INIT = 0x01,    /**< Init-Zustand (Keine Mailbox-
+                                    Kommunikation, Kein I/O) */
+  EC_SLAVE_STATE_PREOP = 0x02,   /**< Pre-Operational (Mailbox-
+                                    Kommunikation, Kein I/O) */
+  EC_SLAVE_STATE_SAVEOP = 0x04,  /**< Save-Operational (Mailbox-
+                                    Kommunikation und Input Update) */
+  EC_SLAVE_STATE_OP = 0x08,      /**< Operational, (Mailbox-
+                                    Kommunikation und Input/Output Update) */
+  EC_ACK = 0x10      /**< Acknoledge-Bit beim Zustandswechsel
+                        (dies ist kein eigener Zustand) */
+}
+ec_slave_state_t;
+
+/*****************************************************************************/
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/master.c	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,1114 @@
+/******************************************************************************
+ *
+ *  m a s t e r . c
+ *
+ *  Methoden für einen EtherCAT-Master.
+ *
+ *  $Id$
+ *
+ *****************************************************************************/
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+
+#include "globals.h"
+#include "master.h"
+#include "device.h"
+#include "command.h"
+
+/*****************************************************************************/
+
+// Prototypen
+
+int ec_simple_send(ec_master_t *, ec_command_t *);
+int ec_simple_receive(ec_master_t *, ec_command_t *);
+void ec_output_debug_data(const ec_master_t *);
+int ec_read_slave_information(ec_master_t *, unsigned short, unsigned short,
+                              unsigned int *);
+void ec_output_lost_frames(ec_master_t *);
+
+/*****************************************************************************/
+
+/**
+   Konstruktor des EtherCAT-Masters.
+
+   @param master Zeiger auf den zu initialisierenden EtherCAT-Master
+*/
+
+void ec_master_init(ec_master_t *master)
+{
+  master->bus_slaves = NULL;
+  master->bus_slaves_count = 0;
+  master->device_registered = 0;
+  master->command_index = 0x00;
+  master->tx_data_length = 0;
+  master->rx_data_length = 0;
+  master->domain_count = 0;
+  master->debug_level = 0;
+  master->bus_time = 0;
+  master->frames_lost = 0;
+  master->t_lost_output = 0;
+}
+
+/*****************************************************************************/
+
+/**
+   Destruktor eines EtherCAT-Masters.
+
+   Entfernt alle Kommandos aus der Liste, löscht den Zeiger
+   auf das Slave-Array und gibt die Prozessdaten frei.
+
+   @param master Zeiger auf den zu löschenden Master
+*/
+
+void ec_master_clear(ec_master_t *master)
+{
+  if (master->bus_slaves) {
+    kfree(master->bus_slaves);
+    master->bus_slaves = NULL;
+  }
+
+  ec_device_clear(&master->device);
+
+  master->domain_count = 0;
+}
+
+/*****************************************************************************/
+
+/**
+   Öffnet das EtherCAT-Geraet des Masters.
+
+   @param master Der EtherCAT-Master
+
+   @return 0, wenn alles o.k., < 0, wenn das Geraet nicht geoeffnet werden
+           konnte.
+*/
+
+int ec_master_open(ec_master_t *master)
+{
+  if (!master->device_registered) {
+    printk(KERN_ERR "EtherCAT: No device registered!\n");
+    return -1;
+  }
+
+  if (ec_device_open(&master->device) < 0) {
+    printk(KERN_ERR "EtherCAT: Could not open device!\n");
+    return -1;
+  }
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+/**
+   Schliesst das EtherCAT-Geraet, auf dem der Master arbeitet.
+
+   @param master Der EtherCAT-Master
+   @param device Das EtherCAT-Geraet
+*/
+
+void ec_master_close(ec_master_t *master)
+{
+  if (!master->device_registered) {
+    printk(KERN_WARNING "EtherCAT: Warning -"
+           " Trying to close an unregistered device!\n");
+    return;
+  }
+
+  if (ec_device_close(&master->device) < 0) {
+    printk(KERN_WARNING "EtherCAT: Warning - Could not close device!\n");
+  }
+}
+
+/*****************************************************************************/
+
+/**
+   Sendet ein einzelnes Kommando in einem Frame und
+   wartet auf dessen Empfang.
+
+   @param master EtherCAT-Master
+   @param cmd    Kommando zum Senden/Empfangen
+
+   @return 0 bei Erfolg, sonst < 0
+*/
+
+int ec_simple_send_receive(ec_master_t *master, ec_command_t *cmd)
+{
+  unsigned int tries_left;
+
+  if (unlikely(ec_simple_send(master, cmd) < 0))
+    return -1;
+
+  tries_left = 20;
+
+  do
+  {
+    udelay(1);
+    ec_device_call_isr(&master->device);
+    tries_left--;
+  }
+  while (unlikely(master->device.state == EC_DEVICE_STATE_SENT && tries_left));
+
+  if (unlikely(ec_simple_receive(master, cmd) < 0))
+    return -1;
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+/**
+   Sendet ein einzelnes Kommando in einem Frame.
+
+   @param master EtherCAT-Master
+   @param cmd    Kommando zum Senden
+
+   @return 0 bei Erfolg, sonst < 0
+*/
+
+int ec_simple_send(ec_master_t *master, ec_command_t *cmd)
+{
+  unsigned int length, framelength, i;
+
+  if (unlikely(master->debug_level > 0)) {
+    printk(KERN_DEBUG "EtherCAT: ec_simple_send\n");
+  }
+
+  if (unlikely(cmd->state != EC_COMMAND_STATE_READY)) {
+    printk(KERN_WARNING "EtherCAT: cmd not in ready state!\n");
+  }
+
+  length = cmd->data_length + 12;
+  framelength = length + 2;
+
+  if (unlikely(framelength > EC_FRAME_SIZE)) {
+    printk(KERN_ERR "EtherCAT: Frame too long (%i)!\n", framelength);
+    return -1;
+  }
+
+  if (framelength < 46) framelength = 46;
+
+  if (unlikely(master->debug_level > 0)) {
+    printk(KERN_DEBUG "EtherCAT: Frame length: %i\n", framelength);
+  }
+
+  master->tx_data[0] = length & 0xFF;
+  master->tx_data[1] = ((length & 0x700) >> 8) | 0x10;
+
+  cmd->index = master->command_index;
+  master->command_index = (master->command_index + 1) % 0x0100;
+
+  if (unlikely(master->debug_level > 0)) {
+    printk(KERN_DEBUG "EtherCAT: Sending command index %i\n", cmd->index);
+  }
+
+  cmd->state = EC_COMMAND_STATE_SENT;
+
+  master->tx_data[2 + 0] = cmd->type;
+  master->tx_data[2 + 1] = cmd->index;
+  master->tx_data[2 + 2] = cmd->address.raw[0];
+  master->tx_data[2 + 3] = cmd->address.raw[1];
+  master->tx_data[2 + 4] = cmd->address.raw[2];
+  master->tx_data[2 + 5] = cmd->address.raw[3];
+  master->tx_data[2 + 6] = cmd->data_length & 0xFF;
+  master->tx_data[2 + 7] = (cmd->data_length & 0x700) >> 8;
+  master->tx_data[2 + 8] = 0x00;
+  master->tx_data[2 + 9] = 0x00;
+
+  if (likely(cmd->type == EC_COMMAND_APWR
+             || cmd->type == EC_COMMAND_NPWR
+             || cmd->type == EC_COMMAND_BWR
+             || cmd->type == EC_COMMAND_LRW)) // Write commands
+  {
+    for (i = 0; i < cmd->data_length; i++)
+      master->tx_data[2 + 10 + i] = cmd->data[i];
+  }
+  else // Read commands
+  {
+    for (i = 0; i < cmd->data_length; i++) master->tx_data[2 + 10 + i] = 0x00;
+  }
+
+  master->tx_data[2 + 10 + cmd->data_length] = 0x00;
+  master->tx_data[2 + 11 + cmd->data_length] = 0x00;
+
+  // Pad with zeros
+  for (i = cmd->data_length + 12 + 2; i < 46; i++) master->tx_data[i] = 0x00;
+
+  master->tx_data_length = framelength;
+
+  if (unlikely(master->debug_level > 0)) {
+    printk(KERN_DEBUG "EtherCAT: Device send...\n");
+  }
+
+  // Send frame
+  if (unlikely(ec_device_send(&master->device, master->tx_data,
+                              framelength) != 0)) {
+    printk(KERN_ERR "EtherCAT: Could not send!\n");
+    return -1;
+  }
+
+  if (unlikely(master->debug_level > 0)) {
+    printk(KERN_DEBUG "EtherCAT: ec_simple_send done.\n");
+  }
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+/**
+   Wartet auf den Empfang eines einzeln gesendeten
+   Kommandos.
+
+   @param master EtherCAT-Master
+   @param cmd    Gesendetes Kommando
+
+   @return 0 bei Erfolg, sonst < 0
+*/
+
+int ec_simple_receive(ec_master_t *master, ec_command_t *cmd)
+{
+  unsigned int length;
+  int ret;
+  unsigned char command_type, command_index;
+
+  if (unlikely((ret = ec_device_receive(&master->device, master->rx_data)) < 0))
+    return -1;
+
+  master->rx_data_length = (unsigned int) ret;
+
+  if (unlikely(master->rx_data_length < 2)) {
+    printk(KERN_ERR "EtherCAT: Received frame with incomplete EtherCAT"
+           " header!\n");
+    ec_output_debug_data(master);
+    return -1;
+  }
+
+  // Länge des gesamten Frames prüfen
+  length = ((master->rx_data[1] & 0x07) << 8)
+    | (master->rx_data[0] & 0xFF);
+
+  if (unlikely(length > master->rx_data_length)) {
+    printk(KERN_ERR "EtherCAT: Received corrupted frame (length does"
+           " not match)!\n");
+    ec_output_debug_data(master);
+    return -1;
+  }
+
+  command_type = master->rx_data[2];
+  command_index = master->rx_data[2 + 1];
+  length = (master->rx_data[2 + 6] & 0xFF)
+    | ((master->rx_data[2 + 7] & 0x07) << 8);
+
+  if (unlikely(master->rx_data_length - 2 < length + 12)) {
+    printk(KERN_ERR "EtherCAT: Received frame with"
+           " incomplete command data!\n");
+    ec_output_debug_data(master);
+    return -1;
+  }
+
+  if (likely(cmd->state == EC_COMMAND_STATE_SENT
+             && cmd->type == command_type
+             && cmd->index == command_index
+             && cmd->data_length == length))
+  {
+    cmd->state = EC_COMMAND_STATE_RECEIVED;
+
+    // Empfangene Daten in Kommandodatenspeicher kopieren
+    memcpy(cmd->data, master->rx_data + 2 + 10, length);
+
+    // Working-Counter setzen
+    cmd->working_counter
+      = ((master->rx_data[length + 2 + 10] & 0xFF)
+         | ((master->rx_data[length + 2 + 11] & 0xFF) << 8));
+
+    if (unlikely(master->debug_level > 1)) {
+      ec_output_debug_data(master);
+    }
+  }
+  else
+  {
+    printk(KERN_WARNING "EtherCAT: WARNING - Send/Receive anomaly!\n");
+    ec_output_debug_data(master);
+  }
+
+  master->device.state = EC_DEVICE_STATE_READY;
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+/**
+   Durchsucht den Bus nach Slaves.
+
+   @param master Der EtherCAT-Master
+
+   @return 0 bei Erfolg, sonst < 0
+*/
+
+int ec_scan_for_slaves(ec_master_t *master)
+{
+  ec_command_t cmd;
+  ec_slave_t *cur;
+  unsigned int i, j;
+  unsigned char data[2];
+
+  // Determine number of slaves on bus
+
+  ec_command_broadcast_read(&cmd, 0x0000, 4);
+
+  if (unlikely(ec_simple_send_receive(master, &cmd) < 0))
+    return -1;
+
+  master->bus_slaves_count = cmd.working_counter;
+  printk("EtherCAT: Found %i slaves on bus.\n", master->bus_slaves_count);
+
+  if (!master->bus_slaves_count) return 0;
+
+  if (!(master->bus_slaves = (ec_slave_t *) kmalloc(master->bus_slaves_count
+                                                    * sizeof(ec_slave_t),
+                                                    GFP_KERNEL))) {
+    printk(KERN_ERR "EtherCAT: Could not allocate memory for bus slaves!\n");
+    return -1;
+  }
+
+  // For every slave in the list
+  for (i = 0; i < master->bus_slaves_count; i++)
+  {
+    cur = master->bus_slaves + i;
+
+    ec_slave_init(cur);
+
+    // Read base data
+
+    ec_command_read(&cmd, cur->station_address, 0x0000, 4);
+
+    if (unlikely(ec_simple_send_receive(master, &cmd) < 0))
+      return -1;
+
+    if (unlikely(cmd.working_counter != 1)) {
+      printk(KERN_ERR "EtherCAT: Slave %i did not respond"
+             " while reading base data!\n", i);
+      return -1;
+    }
+
+    // Get base data
+
+    cur->type = cmd.data[0];
+    cur->revision = cmd.data[1];
+    cur->build = cmd.data[2] | (cmd.data[3] << 8);
+
+    // Read identification from "Slave Information Interface" (SII)
+
+    if (unlikely(ec_read_slave_information(master, cur->station_address,
+                                           0x0008, &cur->vendor_id) != 0)) {
+      printk(KERN_ERR "EtherCAT: Could not read SII vendor id!\n");
+      return -1;
+    }
+
+    if (unlikely(ec_read_slave_information(master, cur->station_address,
+                                           0x000A, &cur->product_code) != 0)) {
+      printk(KERN_ERR "EtherCAT: Could not read SII product code!\n");
+      return -1;
+    }
+
+    if (unlikely(ec_read_slave_information(master, cur->station_address,
+                                           0x000C,
+                                           &cur->revision_number) != 0)) {
+      printk(KERN_ERR "EtherCAT: Could not read SII revision number!\n");
+      return -1;
+    }
+
+    if (unlikely(ec_read_slave_information(master, cur->station_address,
+                                           0x000E,
+                                           &cur->serial_number) != 0)) {
+      printk(KERN_ERR "EtherCAT: Could not read SII serial number!\n");
+      return -1;
+    }
+
+    // Search for identification in "database"
+
+    for (j = 0; j < slave_ident_count; j++)
+    {
+      if (unlikely(slave_idents[j].vendor_id == cur->vendor_id
+                   && slave_idents[j].product_code == cur->product_code))
+      {
+        cur->desc = slave_idents[j].desc;
+        break;
+      }
+    }
+
+    if (unlikely(!cur->desc)) {
+      printk(KERN_ERR "EtherCAT: Unknown slave device (vendor %X, code %X) at "
+             " position %i.\n", cur->vendor_id, cur->product_code, i);
+      return -1;
+    }
+
+    // Set ring position
+    cur->ring_position = -i;
+    cur->station_address = i + 1;
+
+    // Write station address
+
+    data[0] = cur->station_address & 0x00FF;
+    data[1] = (cur->station_address & 0xFF00) >> 8;
+
+    ec_command_position_write(&cmd, cur->ring_position, 0x0010, 2, data);
+
+    if (unlikely(ec_simple_send_receive(master, &cmd) < 0))
+      return -1;
+
+    if (unlikely(cmd.working_counter != 1)) {
+      printk(KERN_ERR "EtherCAT: Slave %i did not repond"
+             " while writing station address!\n", i);
+      return -1;
+    }
+  }
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+/**
+   Liest Daten aus dem Slave-Information-Interface
+   eines EtherCAT-Slaves.
+
+   @param master EtherCAT-Master
+   @param node_address Knotenadresse des Slaves
+   @param offset Adresse des zu lesenden SII-Registers
+   @param target Zeiger auf einen 4 Byte großen Speicher
+   zum Ablegen der Daten
+
+   @return 0 bei Erfolg, sonst < 0
+*/
+
+int ec_read_slave_information(ec_master_t *master,
+                              unsigned short int node_address,
+                              unsigned short int offset,
+                              unsigned int *target)
+{
+  ec_command_t cmd;
+  unsigned char data[10];
+  unsigned int tries_left;
+
+  // Initiate read operation
+
+  data[0] = 0x00;
+  data[1] = 0x01;
+  data[2] = offset & 0xFF;
+  data[3] = (offset & 0xFF00) >> 8;
+  data[4] = 0x00;
+  data[5] = 0x00;
+
+  ec_command_write(&cmd, node_address, 0x502, 6, data);
+
+  if (unlikely(ec_simple_send_receive(master, &cmd) < 0))
+    return -1;
+
+  if (unlikely(cmd.working_counter != 1)) {
+    printk(KERN_ERR "EtherCAT: SII-read - Slave %04X did not respond!\n",
+           node_address);
+    return -1;
+  }
+
+  // Der Slave legt die Informationen des Slave-Information-Interface
+  // in das Datenregister und löscht daraufhin ein Busy-Bit. Solange
+  // den Status auslesen, bis das Bit weg ist.
+
+  tries_left = 100;
+  while (likely(tries_left))
+  {
+    udelay(10);
+
+    ec_command_read(&cmd, node_address, 0x502, 10);
+
+    if (unlikely(ec_simple_send_receive(master, &cmd) != 0))
+      return -1;
+
+    if (unlikely(cmd.working_counter != 1)) {
+      printk(KERN_ERR "EtherCAT: SII-read status -"
+             " Slave %04X did not respond!\n", node_address);
+      return -1;
+    }
+
+    if (likely((cmd.data[1] & 0x81) == 0)) {
+      memcpy(target, cmd.data + 6, 4);
+      break;
+    }
+
+    tries_left--;
+  }
+
+  if (unlikely(!tries_left)) {
+    printk(KERN_WARNING "EtherCAT: SSI-read. Slave %04X timed out!\n",
+           node_address);
+    return -1;
+  }
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+/**
+   Ändert den Zustand eines Slaves (asynchron).
+
+   Führt eine (asynchrone) Zustandsänderung bei einem Slave durch.
+
+   @param master EtherCAT-Master
+   @param slave Slave, dessen Zustand geändert werden soll
+   @param state_and_ack Neuer Zustand, evtl. mit gesetztem
+   Acknowledge-Flag
+
+   @return 0 bei Erfolg, sonst < 0
+*/
+
+int ec_state_change(ec_master_t *master, ec_slave_t *slave,
+                    unsigned char state_and_ack)
+{
+  ec_command_t cmd;
+  unsigned char data[2];
+  unsigned int tries_left;
+
+  data[0] = state_and_ack;
+  data[1] = 0x00;
+
+  ec_command_write(&cmd, slave->station_address, 0x0120, 2, data);
+
+  if (unlikely(ec_simple_send_receive(master, &cmd) != 0)) {
+    printk(KERN_ERR "EtherCAT: Could not set state %02X - Unable to send!\n",
+           state_and_ack);
+    return -1;
+  }
+
+  if (unlikely(cmd.working_counter != 1)) {
+    printk(KERN_ERR "EtherCAT: Could not set state %02X - Device \"%s %s\""
+           " (%d) did not respond!\n", state_and_ack, slave->desc->vendor_name,
+           slave->desc->product_name, slave->ring_position * (-1));
+    return -1;
+  }
+
+  slave->requested_state = state_and_ack & 0x0F;
+
+  tries_left = 100;
+  while (likely(tries_left))
+  {
+    udelay(10);
+
+    ec_command_read(&cmd, slave->station_address, 0x0130, 2);
+
+    if (unlikely(ec_simple_send_receive(master, &cmd) != 0)) {
+      printk(KERN_ERR "EtherCAT: Could not check state %02X - Unable to"
+             " send!\n", state_and_ack);
+      return -1;
+    }
+
+    if (unlikely(cmd.working_counter != 1)) {
+      printk(KERN_ERR "EtherCAT: Could not check state %02X - Device did not"
+             " respond!\n", state_and_ack);
+      return -1;
+    }
+
+    if (unlikely(cmd.data[0] & 0x10)) { // State change error
+      printk(KERN_ERR "EtherCAT: Could not set state %02X - Device refused"
+             " state change (code %02X)!\n", state_and_ack, cmd.data[0]);
+      return -1;
+    }
+
+    if (likely(cmd.data[0] == (state_and_ack & 0x0F))) {
+      // State change successful
+      break;
+    }
+
+    tries_left--;
+  }
+
+  if (unlikely(!tries_left)) {
+    printk(KERN_ERR "EtherCAT: Could not check state %02X - Timeout while"
+           " checking!\n", state_and_ack);
+    return -1;
+  }
+
+  slave->current_state = state_and_ack & 0x0F;
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+/**
+   Gibt Frame-Inhalte zwecks Debugging aus.
+
+   @param master EtherCAT-Master
+*/
+
+void ec_output_debug_data(const ec_master_t *master)
+{
+  unsigned int i;
+
+  printk(KERN_DEBUG "EtherCAT: tx_data content (%i Bytes):\n",
+         master->tx_data_length);
+
+  printk(KERN_DEBUG);
+  for (i = 0; i < master->tx_data_length; i++)
+  {
+    printk("%02X ", master->tx_data[i]);
+    if ((i + 1) % 16 == 0) printk("\n" KERN_DEBUG);
+  }
+  printk("\n");
+
+  printk(KERN_DEBUG "EtherCAT: rx_data content (%i Bytes):\n",
+         master->rx_data_length);
+
+  printk(KERN_DEBUG);
+  for (i = 0; i < master->rx_data_length; i++)
+  {
+    printk("%02X ", master->rx_data[i]);
+    if ((i + 1) % 16 == 0) printk("\n" KERN_DEBUG);
+  }
+  printk("\n");
+}
+
+/*****************************************************************************/
+
+/**
+   Gibt von Zeit zu Zeit die Anzahl verlorener Frames aus.
+
+   @param master EtherCAT-Master
+*/
+
+void ec_output_lost_frames(ec_master_t *master)
+{
+  unsigned long int t;
+
+  if (master->frames_lost) {
+    rdtscl(t);
+    if ((t - master->t_lost_output) / cpu_khz > 1000) {
+      printk(KERN_ERR "EtherCAT: %u frame(s) LOST!\n", master->frames_lost);
+      master->frames_lost = 0;
+      master->t_lost_output = t;
+    }
+  }
+}
+
+/******************************************************************************
+ *
+ * Echtzeitschnittstelle
+ *
+ *****************************************************************************/
+
+/**
+   Registriert einen Slave beim Master.
+
+   @param master Der EtherCAT-Master
+
+   @return 0 bei Erfolg, sonst < 0
+*/
+
+void *EtherCAT_rt_register_slave(ec_master_t *master, unsigned int bus_index,
+                              const char *vendor_name,
+                              const char *product_name, unsigned int domain)
+{
+  ec_slave_t *slave;
+  ec_domain_t *dom;
+  unsigned int j;
+
+  if (bus_index >= master->bus_slaves_count) {
+    printk(KERN_ERR "EtherCAT: Illegal bus index! (%i / %i)\n", bus_index,
+           master->bus_slaves_count);
+    return NULL;
+  }
+
+  slave = master->bus_slaves + bus_index;
+
+  if (slave->process_data) {
+    printk(KERN_ERR "EtherCAT: Slave %i is already registered!\n", bus_index);
+    return NULL;
+  }
+
+  if (strcmp(vendor_name, slave->desc->vendor_name) ||
+      strcmp(product_name, slave->desc->product_name)) {
+    printk(KERN_ERR "Invalid Slave Type! Requested: \"%s %s\", present: \"%s"
+           "%s\".\n", vendor_name, product_name, slave->desc->vendor_name,
+           slave->desc->product_name);
+    return NULL;
+  }
+
+  // Check, if process data domain already exists...
+  dom = NULL;
+  for (j = 0; j < master->domain_count; j++) {
+    if (domain == master->domains[j].number) {
+      dom = master->domains + j;
+    }
+  }
+
+  // Create process data domain
+  if (!dom) {
+    if (master->domain_count > EC_MAX_DOMAINS - 1) {
+      printk(KERN_ERR "EtherCAT: Too many domains!\n");
+      return NULL;
+    }
+
+    dom = master->domains + master->domain_count;
+    ec_domain_init(dom);
+    dom->number = domain;
+    dom->logical_offset = master->domain_count * EC_FRAME_SIZE;
+    master->domain_count++;
+  }
+
+  if (dom->data_size + slave->desc->process_data_size > EC_FRAME_SIZE - 14) {
+    printk(KERN_ERR "EtherCAT: Oversized domain %i: %i / %i Bytes!\n",
+           dom->number, dom->data_size + slave->desc->process_data_size,
+           EC_FRAME_SIZE - 14);
+    return NULL;
+  }
+
+  slave->process_data = dom->data + dom->data_size;
+  dom->data_size += slave->desc->process_data_size;
+
+  return slave->process_data;
+}
+
+/*****************************************************************************/
+
+/**
+   Konfiguriert einen Slave und setzt den Operational-Zustand.
+
+   Führt eine komplette Konfiguration eines Slaves durch,
+   setzt Sync-Manager und FMMU's, führt die entsprechenden
+   Zustandsübergänge durch, bis der Slave betriebsbereit ist.
+
+   @param master EtherCAT-Master
+   @param slave Zu aktivierender Slave
+
+   @return 0 bei Erfolg, sonst < 0
+*/
+
+int EtherCAT_rt_activate_slaves(ec_master_t *master)
+{
+  unsigned int i;
+  ec_slave_t *slave;
+  ec_command_t cmd;
+  const ec_slave_desc_t *desc;
+  unsigned char fmmu[16];
+  unsigned char data[256];
+
+  for (i = 0; i < master->bus_slaves_count; i++)
+  {
+    slave = master->bus_slaves + i;
+    desc = slave->desc;
+
+    if (unlikely(ec_state_change(master, slave, EC_SLAVE_STATE_INIT) != 0))
+      return -1;
+
+    // Resetting FMMU's
+
+    memset(data, 0x00, 256);
+
+    ec_command_write(&cmd, slave->station_address, 0x0600, 256, data);
+
+    if (unlikely(ec_simple_send_receive(master, &cmd) < 0))
+      return -1;
+
+    if (unlikely(cmd.working_counter != 1)) {
+      printk(KERN_ERR "EtherCAT: Resetting FMMUs - Slave %04X did not"
+             " respond!\n", slave->station_address);
+      return -1;
+    }
+
+    // Resetting Sync Manager channels
+
+    if (desc->type != EC_NOSYNC_SLAVE)
+    {
+      memset(data, 0x00, 256);
+
+      ec_command_write(&cmd, slave->station_address, 0x0800, 256, data);
+
+      if (unlikely(ec_simple_send_receive(master, &cmd) < 0))
+        return -1;
+
+      if (unlikely(cmd.working_counter != 1)) {
+        printk(KERN_ERR "EtherCAT: Resetting SMs - Slave %04X did not"
+               " respond!\n", slave->station_address);
+        return -1;
+      }
+    }
+
+    // Init Mailbox communication
+
+    if (desc->type == EC_MAILBOX_SLAVE)
+    {
+      if (desc->sm0)
+      {
+        ec_command_write(&cmd, slave->station_address, 0x0800, 8,
+                         desc->sm0);
+
+        if (unlikely(ec_simple_send_receive(master, &cmd) < 0))
+          return -1;
+
+        if (unlikely(cmd.working_counter != 1)) {
+          printk(KERN_ERR "EtherCAT: Setting SM0 - Slave %04X did not"
+                 " respond!\n", slave->station_address);
+          return -1;
+        }
+      }
+
+      if (desc->sm1)
+      {
+        ec_command_write(&cmd, slave->station_address, 0x0808, 8,
+                         desc->sm1);
+
+        if (unlikely(ec_simple_send_receive(master, &cmd) < 0))
+          return -1;
+
+        if (unlikely(cmd.working_counter != 1)) {
+          printk(KERN_ERR "EtherCAT: Setting SM1 -"
+                 " Slave %04X did not respond!\n",
+                 slave->station_address);
+          return -1;
+        }
+      }
+    }
+
+    // Change state to PREOP
+
+    if (unlikely(ec_state_change(master, slave, EC_SLAVE_STATE_PREOP) != 0))
+      return -1;
+
+    // Set FMMU's
+
+    if (desc->fmmu0)
+    {
+      if (unlikely(!slave->process_data)) {
+        printk(KERN_ERR "EtherCAT: Warning - Slave %04X is not assigned to any"
+               " process data object!\n", slave->station_address);
+        return -1;
+      }
+
+      memcpy(fmmu, desc->fmmu0, 16);
+
+      fmmu[0] = slave->logical_address & 0x000000FF;
+      fmmu[1] = (slave->logical_address & 0x0000FF00) >> 8;
+      fmmu[2] = (slave->logical_address & 0x00FF0000) >> 16;
+      fmmu[3] = (slave->logical_address & 0xFF000000) >> 24;
+
+      ec_command_write(&cmd, slave->station_address, 0x0600, 16, fmmu);
+
+      if (unlikely(ec_simple_send_receive(master, &cmd) < 0))
+        return -1;
+
+      if (unlikely(cmd.working_counter != 1)) {
+        printk(KERN_ERR "EtherCAT: Setting FMMU0 - Slave %04X did not"
+               " respond!\n", slave->station_address);
+        return -1;
+      }
+    }
+
+    // Set Sync Managers
+
+    if (desc->type != EC_MAILBOX_SLAVE)
+    {
+      if (desc->sm0)
+      {
+        ec_command_write(&cmd, slave->station_address, 0x0800, 8,
+                         desc->sm0);
+
+        if (unlikely(ec_simple_send_receive(master, &cmd) < 0))
+          return -1;
+
+        if (unlikely(cmd.working_counter != 1)) {
+          printk(KERN_ERR "EtherCAT: Setting SM0 - Slave %04X did not"
+                 " respond!\n", slave->station_address);
+          return -1;
+        }
+      }
+
+      if (desc->sm1)
+      {
+        ec_command_write(&cmd, slave->station_address, 0x0808, 8,
+                         desc->sm1);
+
+        if (unlikely(ec_simple_send_receive(master, &cmd) < 0))
+          return -1;
+
+        if (unlikely(cmd.working_counter != 1)) {
+          printk(KERN_ERR "EtherCAT: Setting SM1 - Slave %04X did not"
+                 " respond!\n", slave->station_address);
+          return -1;
+        }
+      }
+    }
+
+    if (desc->sm2)
+    {
+      ec_command_write(&cmd, slave->station_address, 0x0810, 8, desc->sm2);
+
+      if (unlikely(ec_simple_send_receive(master, &cmd) < 0))
+        return -1;
+
+      if (unlikely(cmd.working_counter != 1)) {
+        printk(KERN_ERR "EtherCAT: Setting SM2 - Slave %04X did not"
+               " respond!\n", slave->station_address);
+        return -1;
+      }
+    }
+
+    if (desc->sm3)
+    {
+      ec_command_write(&cmd, slave->station_address, 0x0818, 8, desc->sm3);
+
+      if (unlikely(ec_simple_send_receive(master, &cmd) < 0))
+        return -1;
+
+      if (unlikely(cmd.working_counter != 1)) {
+        printk(KERN_ERR "EtherCAT: Setting SM3 - Slave %04X did not"
+               " respond!\n", slave->station_address);
+        return -1;
+      }
+    }
+
+    // Change state to SAVEOP
+    if (unlikely(ec_state_change(master, slave, EC_SLAVE_STATE_SAVEOP) != 0))
+      return -1;
+
+    // Change state to OP
+    if (unlikely(ec_state_change(master, slave, EC_SLAVE_STATE_OP) != 0))
+      return -1;
+  }
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+/**
+   Setzt einen Slave zurück in den Init-Zustand.
+
+   @param master EtherCAT-Master
+   @param slave Zu deaktivierender Slave
+
+   @return 0 bei Erfolg, sonst < 0
+*/
+
+int EtherCAT_rt_deactivate_slaves(ec_master_t *master)
+{
+  ec_slave_t *slave;
+  unsigned int i;
+
+  for (i = 0; i < master->bus_slaves_count; i++)
+  {
+    slave = master->bus_slaves + 1;
+
+    if (unlikely(ec_state_change(master, slave, EC_SLAVE_STATE_INIT) != 0))
+      return -1;
+  }
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+/**
+   Sendet und empfängt Prozessdaten der angegebenen Domäne
+
+   @param master     EtherCAT-Master
+          domain     Domäne
+          timeout_us Timeout in Mikrosekunden
+
+   @return 0 bei Erfolg, sonst < 0
+*/
+
+int EtherCAT_rt_domain_cycle(ec_master_t *master, unsigned int domain,
+                             unsigned int timeout_us)
+{
+  unsigned int i;
+  ec_domain_t *dom;
+  unsigned long start_ticks, end_ticks, timeout_ticks;
+
+  ec_output_lost_frames(master); // Evtl. verlorene Frames ausgeben
+
+  // Domäne bestimmen
+  dom = NULL;
+  for (i = 0; i < master->domain_count; i++) {
+    if (master->domains[i].number == domain) {
+      dom = master->domains + i;
+      break;
+    }
+  }
+
+  if (unlikely(!dom)) {
+    printk(KERN_ERR "EtherCAT: No such domain: %i!\n", domain);
+    return -1;
+  }
+
+  ec_command_logical_read_write(&dom->command, dom->logical_offset,
+                                dom->data_size, dom->data);
+
+  rdtscl(start_ticks); // Sendezeit nehmen
+
+  if (unlikely(ec_simple_send(master, &dom->command) < 0)) {
+    printk(KERN_ERR "EtherCAT: Could not send process data command!\n");
+    return -1;
+  }
+
+  timeout_ticks = timeout_us * cpu_khz / 1000;
+
+  // Warten
+  do {
+    ec_device_call_isr(&master->device);
+    rdtscl(end_ticks); // Empfangszeit nehmen
+  }
+  while (unlikely(master->device.state == EC_DEVICE_STATE_SENT
+                  && end_ticks - start_ticks < timeout_ticks));
+
+  master->bus_time = (end_ticks - start_ticks) * 1000 / cpu_khz;
+
+  if (unlikely(end_ticks - start_ticks >= timeout_ticks)) {
+    master->device.state = EC_DEVICE_STATE_READY;
+    master->frames_lost++;
+    ec_output_lost_frames(master);
+    return -1;
+  }
+
+  if (unlikely(ec_simple_receive(master, &dom->command) < 0)) {
+    printk(KERN_ERR "EtherCAT: Could not receive cyclic command!\n");
+    return -1;
+  }
+
+  if (unlikely(dom->command.state != EC_COMMAND_STATE_RECEIVED)) {
+    printk(KERN_WARNING "EtherCAT: Process data command not received!\n");
+    return -1;
+  }
+
+  if (dom->command.working_counter != dom->response_count) {
+    dom->response_count = dom->command.working_counter;
+    printk(KERN_INFO "EtherCAT: Domain %i State change - %i slaves"
+           " responding.\n", dom->number, dom->response_count);
+  }
+
+  // Daten vom Kommando in den Prozessdatenspeicher kopieren
+  memcpy(dom->data, dom->command.data, dom->data_size);
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+EXPORT_SYMBOL(EtherCAT_rt_register_slave);
+EXPORT_SYMBOL(EtherCAT_rt_activate_slaves);
+EXPORT_SYMBOL(EtherCAT_rt_deactivate_slaves);
+EXPORT_SYMBOL(EtherCAT_rt_domain_cycle);
+
+/*****************************************************************************/
+
+/* Emacs-Konfiguration
+;;; Local Variables: ***
+;;; c-basic-offset:2 ***
+;;; End: ***
+*/
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/master.h	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,75 @@
+/******************************************************************************
+ *
+ *  m a s t e r . h
+ *
+ *  Struktur für einen EtherCAT-Master.
+ *
+ *  $Id$
+ *
+ *****************************************************************************/
+
+#ifndef _EC_MASTER_H_
+#define _EC_MASTER_H_
+
+#include "device.h"
+#include "slave.h"
+#include "command.h"
+#include "domain.h"
+
+/*****************************************************************************/
+
+/**
+   EtherCAT-Master
+
+   Verwaltet die EtherCAT-Slaves und kommuniziert mit
+   dem zugewiesenen EtherCAT-Gerät.
+*/
+
+typedef struct ec_master
+{
+  ec_slave_t *bus_slaves; /**< Array von Slaves auf dem Bus */
+  unsigned int bus_slaves_count; /**< Anzahl Slaves auf dem Bus */
+  ec_device_t device; /**< EtherCAT-Gerät */
+  unsigned int device_registered; /**< Ein Geraet hat sich registriert. */
+  unsigned char command_index; /**< Aktueller Kommando-Index */
+  unsigned char tx_data[EC_FRAME_SIZE]; /**< Statischer Speicher
+                                           für zu sendende Daten */
+  unsigned int tx_data_length; /**< Länge der Daten im Sendespeicher */
+  unsigned char rx_data[EC_FRAME_SIZE]; /**< Statische Speicher für
+                                           eine Kopie des Rx-Buffers
+                                           im EtherCAT-Gerät */
+  unsigned int rx_data_length; /**< Länge der Daten im Empfangsspeicher */
+  ec_domain_t domains[EC_MAX_DOMAINS]; /** Prozessdatendomänen */
+  unsigned int domain_count;
+  int debug_level; /**< Debug-Level im Master-Code */
+  unsigned int bus_time; /**< Letzte Bus-Zeit in Mikrosekunden */
+  unsigned int frames_lost; /**< Anzahl verlorene Frames */
+  unsigned long t_lost_output; /*<< Timer-Ticks bei der letzten Ausgabe von
+                                 verlorenen Frames */
+}
+ec_master_t;
+
+/*****************************************************************************/
+
+// Private Methods
+
+// Master creation and deletion
+void ec_master_init(ec_master_t *);
+void ec_master_clear(ec_master_t *);
+
+// Registration of devices
+int ec_master_open(ec_master_t *);
+void ec_master_close(ec_master_t *);
+
+// Slave management
+int ec_scan_for_slaves(ec_master_t *);
+
+/*****************************************************************************/
+
+#endif
+
+/* Emacs-Konfiguration
+;;; Local Variables: ***
+;;; c-basic-offset:2 ***
+;;; End: ***
+*/
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/module.c	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,336 @@
+/******************************************************************************
+ *
+ *  m o d u l e . c
+ *
+ *  EtherCAT-Master-Treiber
+ *
+ *  Autoren: Wilhelm Hagemeister, Florian Pose
+ *
+ *  $Id$
+ *
+ *  (C) Copyright IgH 2005
+ *  Ingenieurgemeinschaft IgH
+ *  Heinz-Bäcker Str. 34
+ *  D-45356 Essen
+ *  Tel.: +49 201/61 99 31
+ *  Fax.: +49 201/61 98 36
+ *  E-mail: sp@igh-essen.com
+ *
+ *****************************************************************************/
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#include "master.h"
+#include "device.h"
+
+/*****************************************************************************/
+
+int __init ec_init_module(void);
+void __exit ec_cleanup_module(void);
+
+/*****************************************************************************/
+
+#define LIT(X) #X
+#define STR(X) LIT(X)
+
+#define COMPILE_INFO "Revision " STR(EC_REV) \
+                     ", compiled by " STR(EC_USER) \
+                     " at " STR(EC_DATE)
+
+/*****************************************************************************/
+
+int ec_master_count = 1;
+ec_master_t *ec_masters = NULL;
+int *ec_masters_reserved = NULL;
+
+/*****************************************************************************/
+
+MODULE_AUTHOR ("Wilhelm Hagemeister <hm@igh-essen.com>,"
+               "Florian Pose <fp@igh-essen.com>");
+MODULE_DESCRIPTION ("EtherCAT master driver module");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(COMPILE_INFO);
+
+module_param(ec_master_count, int, 1);
+MODULE_PARM_DESC(ec_master_count, "Number of EtherCAT master to initialize.");
+
+/*****************************************************************************/
+
+/**
+   Init-Funktion des EtherCAT-Master-Treibermodules
+
+   Initialisiert soviele Master, wie im Parameter ec_master_count
+   angegeben wurde (Default ist 1).
+
+   @returns 0, wenn alles o.k., -1 bei ungueltiger Anzahl Master
+   oder zu wenig Speicher.
+*/
+
+int __init ec_init_module(void)
+{
+  unsigned int i;
+
+  printk(KERN_ERR "EtherCAT: Master driver, %s\n", COMPILE_INFO);
+
+  if (ec_master_count < 1) {
+    printk(KERN_ERR "EtherCAT: Error - Illegal"
+           " ec_master_count: %i\n", ec_master_count);
+    return -1;
+  }
+
+  printk(KERN_ERR "EtherCAT: Initializing %i EtherCAT master(s)...\n",
+         ec_master_count);
+
+  if ((ec_masters =
+       (ec_master_t *) kmalloc(sizeof(ec_master_t)
+                               * ec_master_count,
+                               GFP_KERNEL)) == NULL) {
+    printk(KERN_ERR "EtherCAT: Could not allocate"
+           " memory for EtherCAT master(s)!\n");
+    return -1;
+  }
+
+  if ((ec_masters_reserved =
+       (int *) kmalloc(sizeof(int) * ec_master_count,
+                       GFP_KERNEL)) == NULL) {
+    printk(KERN_ERR "EtherCAT: Could not allocate"
+           " memory for reservation flags!\n");
+    kfree(ec_masters);
+    return -1;
+  }
+
+  for (i = 0; i < ec_master_count; i++)
+  {
+    ec_master_init(&ec_masters[i]);
+    ec_masters_reserved[i] = 0;
+  }
+
+  printk(KERN_ERR "EtherCAT: Master driver initialized.\n");
+
+  return 0;
+}
+
+/*****************************************************************************/
+
+/**
+   Cleanup-Funktion des EtherCAT-Master-Treibermoduls
+
+   Entfernt alle Master-Instanzen.
+*/
+
+void __exit ec_cleanup_module(void)
+{
+  unsigned int i;
+
+  printk(KERN_ERR "EtherCAT: Cleaning up master driver...\n");
+
+  if (ec_masters)
+  {
+    for (i = 0; i < ec_master_count; i++)
+    {
+      if (ec_masters_reserved[i]) {
+        printk(KERN_WARNING "EtherCAT: Warning -"
+               " Master %i is still in use!\n", i);
+      }
+
+      ec_master_clear(&ec_masters[i]);
+    }
+
+    kfree(ec_masters);
+  }
+
+  printk(KERN_ERR "EtherCAT: Master driver cleaned up.\n");
+}
+
+/******************************************************************************
+ *
+ * Treiberschnittstelle
+ *
+ *****************************************************************************/
+
+/**
+   Setzt das EtherCAT-Geraet, auf dem der Master arbeitet.
+
+
+   @param master Der EtherCAT-Master
+   @param device Das EtherCAT-Geraet
+   @return 0, wenn alles o.k.,
+   < 0, wenn bereits ein Geraet registriert
+   oder das Geraet nicht geoeffnet werden konnte.
+*/
+
+ec_device_t *EtherCAT_dev_register(unsigned int master_index,
+                                   struct net_device *dev,
+                                   irqreturn_t (*isr)(int, void *,
+                                                      struct pt_regs *),
+                                   struct module *module)
+{
+  ec_device_t *ecd;
+
+  if (master_index >= ec_master_count) {
+    printk(KERN_ERR "EtherCAT: Master %i does not exist!\n", master_index);
+    return NULL;
+  }
+
+  if (!dev) {
+    printk("EtherCAT: Device is NULL!\n");
+    return NULL;
+  }
+
+  if (ec_masters[master_index].device_registered) {
+    printk(KERN_ERR "EtherCAT: Master %i already has a device!\n",
+           master_index);
+    return NULL;
+  }
+
+  ecd = &ec_masters[master_index].device;
+
+  if (ec_device_init(ecd) < 0) {
+    return NULL;
+  }
+
+  ecd->dev = dev;
+  ecd->tx_skb->dev = dev;
+  ecd->rx_skb->dev = dev;
+  ecd->isr = isr;
+  ecd->module = module;
+
+  return ecd;
+}
+
+/*****************************************************************************/
+
+/**
+   Loescht das EtherCAT-Geraet, auf dem der Master arbeitet.
+
+   @param master Der EtherCAT-Master
+   @param device Das EtherCAT-Geraet
+*/
+
+void EtherCAT_dev_unregister(unsigned int master_index)
+{
+  if (master_index >= ec_master_count) {
+    printk(KERN_WARNING "EtherCAT: Master %i does not exist!\n", master_index);
+    return;
+  }
+
+  ec_masters[master_index].device_registered = 0;
+  ec_device_clear(&ec_masters[master_index].device);
+}
+
+/******************************************************************************
+ *
+ * Echtzeitschnittstelle
+ *
+ *****************************************************************************/
+
+/**
+   Reserviert einen bestimmten EtherCAT-Master und das zugehörige Gerät.
+
+   Gibt einen Zeiger auf den reservierten EtherCAT-Master zurueck.
+
+   @param index Index des gewuenschten Masters
+   @returns Zeiger auf EtherCAT-Master oder NULL, wenn Parameter ungueltig.
+*/
+
+ec_master_t *EtherCAT_rt_request_master(int index)
+{
+  ec_master_t *master;
+
+  if (index < 0 || index >= ec_master_count) {
+    printk(KERN_ERR "EtherCAT: Master %i does not exist!\n", index);
+    goto req_return;
+  }
+
+  if (ec_masters_reserved[index]) {
+    printk(KERN_ERR "EtherCAT: Master %i already in use!\n", index);
+    goto req_return;
+  }
+
+  master = &ec_masters[index];
+
+  if (!master->device_registered) {
+    printk(KERN_ERR "EtherCAT: Master %i has no device assigned yet!\n",
+           index);
+    goto req_return;
+  }
+
+  if (!try_module_get(master->device.module)) {
+    printk(KERN_ERR "EtherCAT: Could not reserve device module!\n");
+    goto req_return;
+  }
+
+  if (ec_master_open(master) < 0) {
+    printk(KERN_ERR "EtherCAT: Could not open device!\n");
+    goto req_module_put;
+  }
+
+  if (ec_scan_for_slaves(master) != 0) {
+    printk(KERN_ERR "EtherCAT: Could not scan for slaves!\n");
+    goto req_close;
+  }
+
+  ec_masters_reserved[index] = 1;
+  printk(KERN_INFO "EtherCAT: Reserved master %i.\n", index);
+
+  return master;
+
+ req_close:
+  ec_master_close(master);
+
+ req_module_put:
+  module_put(master->device.module);
+
+ req_return:
+  return NULL;
+}
+
+/*****************************************************************************/
+
+/**
+   Gibt einen zuvor angeforderten EtherCAT-Master wieder frei.
+
+   @param master Zeiger auf den freizugebenden EtherCAT-Master.
+*/
+
+void EtherCAT_rt_release_master(ec_master_t *master)
+{
+  unsigned int i;
+
+  for (i = 0; i < ec_master_count; i++)
+  {
+    if (&ec_masters[i] == master)
+    {
+      if (!master->device_registered) {
+        printk(KERN_WARNING "EtherCAT: Could not release device"
+               "module because of no device!\n");
+        return;
+      }
+
+      ec_master_close(master);
+      module_put(master->device.module);
+      ec_masters_reserved[i] = 0;
+
+      printk(KERN_INFO "EtherCAT: Released master %i.\n", i);
+
+      return;
+    }
+  }
+
+  printk(KERN_WARNING "EtherCAT: Master %X was never requested!\n",
+         (unsigned int) master);
+}
+
+/*****************************************************************************/
+
+module_init(ec_init_module);
+module_exit(ec_cleanup_module);
+
+EXPORT_SYMBOL(EtherCAT_dev_register);
+EXPORT_SYMBOL(EtherCAT_dev_unregister);
+EXPORT_SYMBOL(EtherCAT_rt_request_master);
+EXPORT_SYMBOL(EtherCAT_rt_release_master);
+
+/*****************************************************************************/
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/slave.c	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,200 @@
+/******************************************************************************
+ *
+ *  s l a v e . c
+ *
+ *  Methoden für einen EtherCAT-Slave.
+ *
+ *  $Id$
+ *
+ *****************************************************************************/
+
+#include <linux/module.h>
+
+#include "globals.h"
+#include "slave.h"
+
+/*****************************************************************************/
+
+/**
+   EtherCAT-Slave-Konstruktor.
+
+   Initialisiert einen EtherCAT-Slave.
+
+   ACHTUNG! Dieser Konstruktor wird quasi nie aufgerufen. Bitte immer das
+   Makro ECAT_INIT_SLAVE() in ec_slave.h anpassen!
+
+   @param slave Zeiger auf den zu initialisierenden Slave
+*/
+
+void ec_slave_init(ec_slave_t *slave)
+{
+  slave->type = 0;
+  slave->revision = 0;
+  slave->build = 0;
+  slave->ring_position = 0;
+  slave->station_address = 0;
+  slave->vendor_id = 0;
+  slave->product_code = 0;
+  slave->revision_number = 0;
+  slave->serial_number = 0;
+  slave->desc = NULL;
+  slave->logical_address = 0;
+  slave->current_state = EC_SLAVE_STATE_UNKNOWN;
+  slave->requested_state = EC_SLAVE_STATE_UNKNOWN;
+  slave->process_data = NULL;
+  slave->domain = 0;
+  slave->error_reported = 0;
+}
+
+/*****************************************************************************/
+
+#if 0
+/**
+   Liest einen bestimmten Kanal des Slaves als Integer-Wert.
+
+   Prüft zuerst, ob der entsprechende Slave eine
+   bekannte Beschreibung besitzt, ob dort eine
+   read()-Funktion hinterlegt ist und ob die angegebene
+   Kanalnummer gültig ist. Wenn ja, wird der dekodierte
+   Wert zurückgegeben, sonst ist der Wert 0.
+
+   @param slave EtherCAT-Slave
+   @param channel Kanalnummer
+
+   @return Gelesener Wert bzw. 0
+*/
+
+int EtherCAT_read_value(EtherCAT_slave_t *slave,
+                        unsigned int channel)
+{
+  if (unlikely(!slave->desc)) {
+    if (likely(slave->error_reported)) {
+      printk(KERN_WARNING "EtherCAT: Reading failed on slave %04X (addr %0X)"
+             " - Slave has no description.\n",
+             slave->station_address, (unsigned int) slave);
+      slave->error_reported = 1;
+    }
+    return 0;
+  }
+
+  if (unlikely(!slave->desc->read)) {
+    if (likely(slave->error_reported)) {
+      printk(KERN_WARNING "EtherCAT: Reading failed on slave %04X (addr %0X)"
+             " - Slave type (%s %s) has no read method.\n",
+             slave->station_address, (unsigned int) slave,
+             slave->desc->vendor_name, slave->desc->product_name);
+      slave->error_reported = 1;
+    }
+    return 0;
+  }
+
+  if (unlikely(channel >= slave->desc->channel_count)) {
+    if (likely(slave->error_reported)) {
+      printk(KERN_WARNING "EtherCAT: Reading failed on slave %4X (addr %0X)"
+             " - Type (%s %s) has no channel %i.\n",
+             slave->station_address, (unsigned int) slave,
+             slave->desc->vendor_name, slave->desc->product_name,
+             channel);
+      slave->error_reported = 1;
+    }
+    return 0;
+  }
+
+  if (unlikely(!slave->process_data)) {
+    if (likely(slave->error_reported)) {
+      printk(KERN_WARNING "EtherCAT: Reading failed on slave %4X (addr %0X)"
+             " - Slave does not belong to any process data object!\n",
+             slave->station_address, (unsigned int) slave);
+      slave->error_reported = 1;
+    }
+    return 0;
+  }
+
+  if (unlikely(slave->error_reported))
+    slave->error_reported = 0;
+
+  return slave->desc->read(slave->process_data, channel);
+}
+
+/*****************************************************************************/
+
+/**
+   Schreibt einen bestimmten Kanal des Slaves als Integer-Wert .
+
+   Prüft zuerst, ob der entsprechende Slave eine
+   bekannte Beschreibung besitzt, ob dort eine
+   write()-Funktion hinterlegt ist und ob die angegebene
+   Kanalnummer gültig ist. Wenn ja, wird der Wert entsprechend
+   kodiert und geschrieben.
+
+   @param slave EtherCAT-Slave
+   @param channel Kanalnummer
+   @param value Zu schreibender Wert
+*/
+
+void EtherCAT_write_value(EtherCAT_slave_t *slave,
+                          unsigned int channel,
+                          int value)
+{
+  if (unlikely(!slave->desc)) {
+    if (likely(slave->error_reported)) {
+      printk(KERN_WARNING "EtherCAT: Writing failed on slave %04X (addr %0X)"
+             " - Slave has no description.\n",
+             slave->station_address, (unsigned int) slave);
+      slave->error_reported = 1;
+    }
+    return;
+  }
+
+  if (unlikely(!slave->desc->write)) {
+    if (likely(slave->error_reported)) {
+      printk(KERN_WARNING "EtherCAT: Writing failed on slave %04X (addr %0X)"
+             " - Type (%s %s) has no write method.\n",
+             slave->station_address, (unsigned int) slave,
+             slave->desc->vendor_name, slave->desc->product_name);
+      slave->error_reported = 1;
+    }
+    return;
+  }
+
+  if (unlikely(channel >= slave->desc->channel_count)) {
+    if (likely(slave->error_reported)) {
+      printk(KERN_WARNING "EtherCAT: Writing failed on slave %4X (addr %0X)"
+             " - Type (%s %s) has no channel %i.\n",
+             slave->station_address, (unsigned int) slave,
+             slave->desc->vendor_name, slave->desc->product_name,
+             channel);
+      slave->error_reported = 1;
+    }
+    return;
+  }
+
+  if (unlikely(!slave->process_data)) {
+    if (likely(slave->error_reported)) {
+      printk(KERN_WARNING "EtherCAT: Writing failed on slave %4X (addr %0X)"
+             " - Slave does not belong to any process data object!\n",
+             slave->station_address, (unsigned int) slave);
+      slave->error_reported = 1;
+    }
+    return;
+  }
+
+  if (unlikely(slave->error_reported))
+    slave->error_reported = 0;
+
+  slave->desc->write(slave->process_data, channel, value);
+}
+
+/*****************************************************************************/
+
+EXPORT_SYMBOL(EtherCAT_write_value);
+EXPORT_SYMBOL(EtherCAT_read_value);
+#endif
+
+/*****************************************************************************/
+
+/* Emacs-Konfiguration
+;;; Local Variables: ***
+;;; c-basic-offset:2 ***
+;;; End: ***
+*/
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/slave.h	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,79 @@
+/******************************************************************************
+ *
+ *  s l a v e . h
+ *
+ *  Struktur für einen EtherCAT-Slave.
+ *
+ *  $Id$
+ *
+ *****************************************************************************/
+
+#ifndef _EC_SLAVE_H_
+#define _EC_SLAVE_H_
+
+#include "types.h"
+
+/*****************************************************************************/
+
+/**
+   EtherCAT-Slave
+
+   Achtung: Bei Änderungen dieser Struktur immer das Define
+   ECAT_INIT_SLAVE anpassen!
+*/
+
+typedef struct
+{
+  // Base data
+  unsigned char type; /**< Slave-Typ */
+  unsigned char revision; /**< Revision */
+  unsigned short build; /**< Build-Nummer */
+
+  // Addresses
+  short ring_position; /**< (Negative) Position des Slaves im Bus */
+  unsigned short station_address; /**< Konfigurierte Slave-Adresse */
+
+  // Slave information interface
+  unsigned int vendor_id; /**< Identifikationsnummer des Herstellers */
+  unsigned int product_code; /**< Herstellerspezifischer Produktcode */
+  unsigned int revision_number; /**< Revisionsnummer */
+  unsigned int serial_number; /**< Seriennummer der Klemme */
+
+  const ec_slave_desc_t *desc; /**< Zeiger auf die Beschreibung
+                                        des Slave-Typs */
+
+  unsigned int logical_address; /**< Konfigurierte, logische adresse */
+
+  ec_slave_state_t current_state; /**< Aktueller Zustand */
+  ec_slave_state_t requested_state; /**< Angeforderter Zustand */
+
+  unsigned char *process_data; /**< Zeiger auf den Speicherbereich
+                                  innerhalb eines Prozessdatenobjekts */
+  unsigned int domain; /**< Prozessdatendomäne */
+  int error_reported; /**< Ein Zugriffsfehler wurde bereits gemeldet */
+}
+ec_slave_t;
+
+#define EC_INIT_SLAVE(TYPE, DOMAIN) {0, 0, 0, 0, 0, 0, 0, 0, 0, \
+                                       TYPE, 0, ECAT_STATE_UNKNOWN, \
+                                       EC_STATE_UNKNOWN, NULL, DOMAIN, 0}
+
+/*****************************************************************************/
+
+// Slave construction and deletion
+void ec_slave_init(ec_slave_t *);
+
+#if 0
+int EtherCAT_read_value(EtherCAT_slave_t *, unsigned int);
+void EtherCAT_write_value(EtherCAT_slave_t *, unsigned int, int);
+#endif
+
+/*****************************************************************************/
+
+#endif
+
+/* Emacs-Konfiguration
+;;; Local Variables: ***
+;;; c-basic-offset:2 ***
+;;; End: ***
+*/
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/types.c	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,186 @@
+/******************************************************************************
+ *
+ *  t y p e s . c
+ *
+ *  EtherCAT-Slave-Typen.
+ *
+ *  $Id$
+ *
+ *****************************************************************************/
+
+#include <linux/module.h>
+
+#include "globals.h"
+#include "types.h"
+
+/*****************************************************************************/
+
+/* Konfigurationen der Sync-Manager */
+
+unsigned char sm0_multi[] = {0x00, 0x18, 0xF6, 0x00, 0x26, 0x00, 0x01, 0x00};
+unsigned char sm1_multi[] = {0xF6, 0x18, 0xF6, 0x00, 0x22, 0x00, 0x01, 0x00};
+
+unsigned char sm0_1014[] = {0x00, 0x10, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00};
+
+unsigned char sm0_2004[] = {0x00, 0x0F, 0x01, 0x00, 0x46, 0x00, 0x01, 0x00};
+
+unsigned char sm2_31xx[] = {0x00, 0x10, 0x04, 0x00, 0x24, 0x00, 0x00, 0x00};
+unsigned char sm3_31xx[] = {0x00, 0x11, 0x06, 0x00, 0x20, 0x00, 0x01, 0x00};
+
+unsigned char sm2_41xx[] = {0x00, 0x10, 0x04, 0x00, 0x24, 0x00, 0x01, 0x00};
+
+/* Konfigurationen der Memory-Management-Units */
+
+unsigned char fmmu0_1014[] = {0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x07,
+                              0x00, 0x10, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00};
+
+unsigned char fmmu0_2004[] = {0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x07,
+                              0x00, 0x0F, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00};
+
+unsigned char fmmu0_31xx[] = {0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x07,
+                              0x00, 0x11, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00};
+
+unsigned char fmmu0_41xx[] = {0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x07,
+                              0x00, 0x10, 0x00, 0x02, 0x01, 0x00, 0x00, 0x00};
+
+/*****************************************************************************/
+
+/* Lese- und Schreibfunktionen */
+
+int read_1014(unsigned char *data, unsigned int channel)
+{
+  return (data[0] >> channel) & 0x01;
+}
+
+void write_2004(unsigned char *data, unsigned int channel, int value)
+{
+  if (value) {
+    data[0] |= (1 << channel);
+  }
+  else {
+    data[0] &= ~(1 << channel);
+  }
+}
+
+int read_31xx(unsigned char *data, unsigned int channel)
+{
+  return (short int) ((data[channel * 3 + 2] << 8) | data[channel * 3 + 1]);
+}
+
+void write_41xx(unsigned char *data, unsigned int channel, int value)
+{
+  data[channel * 3 + 1] = (value & 0xFF00) >> 8;
+  data[channel * 3 + 2] = value & 0xFF;
+}
+
+/*****************************************************************************/
+
+/* Klemmen-Objekte */
+
+ec_slave_desc_t Beckhoff_EK1100[] =
+{{
+  "Beckhoff", "EK1100", "Bus Coupler",
+  EC_NOSYNC_SLAVE,
+  NULL, NULL, NULL, NULL,
+  NULL,
+  0, 0,
+  NULL, NULL
+}};
+
+ec_slave_desc_t Beckhoff_EL1014[] =
+{{
+  "Beckhoff", "EL1014", "4x Digital Input",
+  EC_SIMPLE_SLAVE,
+  sm0_1014, NULL, NULL, NULL,
+  fmmu0_1014,
+  1, 4,
+  read_1014, NULL
+}};
+
+ec_slave_desc_t Beckhoff_EL2004[] =
+{{
+  "Beckhoff", "EL2004", "4x Digital Output",
+  EC_SIMPLE_SLAVE,
+  sm0_2004, NULL, NULL, NULL,
+  fmmu0_2004,
+  1, 4,
+  NULL, write_2004
+}};
+
+ec_slave_desc_t Beckhoff_EL3102[] =
+{{
+  "Beckhoff", "EL3102", "2x Analog Input diff.",
+  EC_MAILBOX_SLAVE,
+  sm0_multi, sm1_multi, sm2_31xx, sm3_31xx,
+  fmmu0_31xx,
+  6, 2,
+  read_31xx, NULL
+}};
+
+ec_slave_desc_t Beckhoff_EL3162[] =
+{{
+  "Beckhoff", "EL3162", "2x Analog Input",
+  EC_MAILBOX_SLAVE,
+  sm0_multi, sm1_multi, sm2_31xx, sm3_31xx,
+  fmmu0_31xx,
+  6, 2,
+  read_31xx, NULL
+}};
+
+ec_slave_desc_t Beckhoff_EL4102[] =
+{{
+  "Beckhoff", "EL4102", "2x Analog Output",
+  EC_MAILBOX_SLAVE,
+  sm0_multi, sm1_multi, sm2_41xx, NULL,
+  fmmu0_41xx,
+  4, 2,
+  NULL, write_41xx
+}};
+
+ec_slave_desc_t Beckhoff_EL4132[] =
+{{
+  "Beckhoff", "EL4132", "2x Analog Output diff.",
+  EC_MAILBOX_SLAVE,
+  sm0_multi, sm1_multi, sm2_41xx, NULL,
+  fmmu0_41xx,
+  4, 2,
+  NULL, write_41xx
+}};
+
+ec_slave_desc_t Beckhoff_EL5001[] =
+{{
+  "Beckhoff", "EL5001", "SSI-Interface",
+  EC_SIMPLE_SLAVE,
+  NULL, NULL, NULL, NULL, // Noch nicht eingepflegt...
+  NULL,
+  0, 0,
+  NULL, NULL
+}};
+
+/*****************************************************************************/
+
+/**
+   Beziehung zwischen Identifikationsnummern und Klemmen-Objekt.
+
+   Diese Tabelle stellt die Beziehungen zwischen bestimmten Kombinationen
+   aus Vendor-IDs und Product-Codes und der entsprechenden Klemme her.
+   Neue Klemmen müssen hier eingetragen werden.
+*/
+
+ec_slave_ident_t slave_idents[] =
+{
+  {0x00000002, 0x03F63052, Beckhoff_EL1014},
+  {0x00000002, 0x044C2C52, Beckhoff_EK1100},
+  {0x00000002, 0x07D43052, Beckhoff_EL2004},
+  {0x00000002, 0x0C1E3052, Beckhoff_EL3102},
+  {0x00000002, 0x0C5A3052, Beckhoff_EL3162},
+  {0x00000002, 0x10063052, Beckhoff_EL4102},
+  {0x00000002, 0x10243052, Beckhoff_EL4132},
+  {0x00000002, 0x13893052, Beckhoff_EL5001}
+};
+
+unsigned int slave_ident_count = sizeof(slave_idents)
+     / sizeof(ec_slave_ident_t);
+
+
+/*****************************************************************************/
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/master/types.h	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,96 @@
+/******************************************************************************
+ *
+ *  t y p e s . h
+ *
+ *  EtherCAT-Slave-Typen.
+ *
+ *  $Id$
+ *
+ *****************************************************************************/
+
+#ifndef _EC_TYPES_H_
+#define _EC_TYPES_H_
+
+/*****************************************************************************/
+
+/**
+   Typ eines EtherCAT-Slaves.
+
+   Dieser Typ muss für die Konfiguration bekannt sein. Der
+   Master entscheidet danach, ober bspw. Mailboxes konfigurieren,
+   oder Sync-Manager setzen soll.
+*/
+
+typedef enum
+{
+  EC_SIMPLE_SLAVE, EC_MAILBOX_SLAVE, EC_NOSYNC_SLAVE
+}
+ec_slave_type_t;
+
+/*****************************************************************************/
+
+/**
+   Beschreibung eines EtherCAT-Slave-Typs.
+
+   Diese Beschreibung dient zur Konfiguration einer bestimmten
+   Slave-Art. Sie enthält die Konfigurationsdaten für die
+   Slave-internen Sync-Manager und FMMU's.
+*/
+
+typedef struct slave_desc
+{
+  const char *vendor_name; /**< Name des Herstellers */
+  const char *product_name; /**< Name des Slaves-Typs */
+  const char *product_desc; /**< Genauere Beschreibung des Slave-Typs */
+
+  const ec_slave_type_t type; /**< Art des Slave-Typs */
+
+  const unsigned char *sm0; /**< Konfigurationsdaten des
+                               ersten Sync-Managers */
+  const unsigned char *sm1; /**< Konfigurationsdaten des
+                               zweiten Sync-Managers */
+  const unsigned char *sm2; /**< Konfigurationsdaten des
+                               dritten Sync-Managers */
+  const unsigned char *sm3; /**< Konfigurationsdaten des
+                               vierten Sync-Managers */
+
+  const unsigned char *fmmu0; /**< Konfigurationsdaten
+                                 der ersten FMMU */
+
+  const unsigned int process_data_size; /**< Länge der Prozessdaten in Bytes */
+  const unsigned int channel_count; /**< Anzahl der Kanäle */
+
+  int (*read) (unsigned char *, unsigned int); /**< Funktion zum Dekodieren
+                                                  und Lesen der Kanaldaten */
+  void (*write) (unsigned char *, unsigned int, int); /**< Funktion zum
+                                                         Kodieren und Schreiben
+                                                         der Kanaldaten */
+}
+ec_slave_desc_t;
+
+/*****************************************************************************/
+
+/**
+   Identifikation eines Slave-Typs.
+
+   Diese Struktur wird zur 1:n-Zuordnung von Hersteller- und
+   Produktcodes zu den einzelnen Slave-Typen verwendet.
+*/
+
+typedef struct slave_ident
+{
+  const unsigned int vendor_id; /**< Hersteller-Code */
+  const unsigned int product_code; /**< Herstellerspezifischer Produktcode */
+  const ec_slave_desc_t *desc; /**< Zeiger auf den dazugehörigen
+                                        Slave-Typ */
+}
+ec_slave_ident_t;
+
+extern ec_slave_ident_t slave_idents[]; /**< Statisches Array der
+                                           Slave-Identifikationen */
+extern unsigned int slave_ident_count; /**< Anzahl der vorhandenen
+                                          Slave-Identifikationen */
+
+/*****************************************************************************/
+
+#endif
--- a/mini/Makefile	Fri Jan 13 15:47:44 2006 +0000
+++ b/mini/Makefile	Tue Jan 17 18:28:15 2006 +0000
@@ -13,9 +13,9 @@
 #----------------------------------------------------------------
 # Kbuild-Abschnitt
 
-obj-m := ec_mini_mod.o
+obj-m := ec_mini.o
 
-ec_mini_mod-objs := ec_mini.o
+ec_mini-objs := mini.o
 
 #----------------------------------------------------------------
 
--- a/mini/ec_mini.c	Fri Jan 13 15:47:44 2006 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,289 +0,0 @@
-/******************************************************************************
- *
- * ec_mini.c
- *
- * Minimalmodul für EtherCAT
- *
- * $Id$
- *
- *****************************************************************************/
-
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/timer.h>
-
-#include "../drivers/ec_master.h"
-#include "../drivers/ec_device.h"
-#include "../drivers/ec_types.h"
-#include "../drivers/ec_module.h"
-
-/*****************************************************************************/
-
-// Auskommentieren, wenn keine zyklischen Daten erwuenscht
-#define ECAT_CYCLIC_DATA
-
-/*****************************************************************************/
-
-static EtherCAT_master_t *ecat_master = NULL;
-
-static EtherCAT_slave_t ecat_slaves[] =
-{
-#if 0
-    // Block 1
-    ECAT_INIT_SLAVE(Beckhoff_EK1100, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL4102, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL3162, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL1014, 1),
-
-    ECAT_INIT_SLAVE(Beckhoff_EL4102, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL4102, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL4102, 1),
-
-    ECAT_INIT_SLAVE(Beckhoff_EL3162, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL3162, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL3162, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL3102, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL3102, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL3102, 1),
-
-#endif
-
-#if 1
-    // Block 2
-    ECAT_INIT_SLAVE(Beckhoff_EK1100, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL4102, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL1014, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL3162, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL2004, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL3102, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL2004, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL2004, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL2004, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL2004, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL2004, 1),
-
-    // Block 3
-    ECAT_INIT_SLAVE(Beckhoff_EK1100, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL1014, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL1014, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL1014, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL1014, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL1014, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL2004, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL2004, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL2004, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL2004, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL1014, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL1014, 1),
-    ECAT_INIT_SLAVE(Beckhoff_EL1014, 1)
-#endif
-};
-
-#define ECAT_SLAVES_COUNT (sizeof(ecat_slaves) / sizeof(EtherCAT_slave_t))
-
-#ifdef ECAT_CYCLIC_DATA
-
-int value;
-int dig1;
-
-struct timer_list timer;
-unsigned long last_start_jiffies;
-
-#endif // ECAT_CYCLIC_DATA
-
-/******************************************************************************
- *
- * Function: next2004
- *
- *****************************************************************************/
-
-#ifdef ECAT_CYCLIC_DATA
-
-static int next2004(int *wrap)
-{
-    static int i = 0;
-    unsigned int j = 0;
-
-    *wrap = 0;
-
-    for (j = 0; j < ECAT_SLAVES_COUNT; j++)
-    {
-        i++;
-
-        i %= ECAT_SLAVES_COUNT;
-
-        if (i == 0) *wrap = 1;
-
-        if (ecat_slaves[i].desc == Beckhoff_EL2004)
-        {
-            return i;
-        }
-    }
-
-    return -1;
-}
-#endif
-
-/******************************************************************************
- *
- * Function: run
- *
- * Beschreibung: Zyklischer Prozess
- *
- *****************************************************************************/
-
-#ifdef ECAT_CYCLIC_DATA
-
-static void run(unsigned long data)
-{
-  static int ms = 0;
-    static int cnt = 0;
-    static unsigned long int k = 0;
-    static int firstrun = 1;
-
-    static int klemme = 0;
-    static int kanal = 0;
-    static int up_down = 0;
-    int wrap = 0;
-
-    ms++;
-    ms %= 1000;
-
-    if (firstrun) klemme = next2004(&wrap);
-
-    if (cnt++ > 20)
-    {
-        cnt = 0;
-
-        if (++kanal > 3)
-        {
-            kanal = 0;
-            klemme = next2004(&wrap);
-
-            if (wrap == 1)
-            {
-                if (up_down == 1) up_down = 0;
-                else up_down = 1;
-            }
-        }
-    }
-
-    if (klemme >= 0)
-        EtherCAT_write_value(&ecat_slaves[klemme], kanal, up_down);
-
-    // Prozessdaten lesen und schreiben
-    rdtscl(k);
-    EtherCAT_process_data_cycle(ecat_master, 1, 100);
-    firstrun = 0;
-
-    timer.expires += HZ / 1000;
-    add_timer(&timer);
-}
-
-#endif // ECAT_CYCLIC_DATA
-
-/******************************************************************************
- *
- * Function: init
- *
- *****************************************************************************/
-
-int __init init_module()
-{
-    unsigned int i;
-
-    printk(KERN_INFO "=== Starting Minimal EtherCAT environment... ===\n");
-
-    if ((ecat_master = EtherCAT_request(0)) == NULL) {
-        printk(KERN_ERR "EtherCAT master 0 not available!\n");
-        goto out_return;
-    }
-
-    printk("Checking EtherCAT slaves.\n");
-
-    if (EtherCAT_check_slaves(ecat_master, ecat_slaves,
-                              ECAT_SLAVES_COUNT) != 0) {
-        printk(KERN_ERR "EtherCAT: Could not init slaves!\n");
-        goto out_release_master;
-    }
-
-    printk("Activating all EtherCAT slaves.\n");
-
-    for (i = 0; i < ECAT_SLAVES_COUNT; i++) {
-        if (EtherCAT_activate_slave(ecat_master, &ecat_slaves[i]) != 0) {
-            printk(KERN_ERR "EtherCAT: Could not activate slave %i!\n", i);
-            goto out_release_master;
-        }
-    }
-
-#ifdef ECAT_CYCLIC_DATA
-    printk("Starting cyclic sample thread.\n");
-
-    init_timer(&timer);
-
-    timer.function = run;
-    timer.data = 0;
-    timer.expires = jiffies+10; // Das erste Mal sofort feuern
-    last_start_jiffies = timer.expires;
-    add_timer(&timer);
-
-    printk("Initialised sample thread.\n");
-#endif
-
-    printk(KERN_INFO "=== Minimal EtherCAT environment started. ===\n");
-
-    return 0;
-
- out_release_master:
-  EtherCAT_release(ecat_master);
-
- out_return:
-  return -1;
-}
-
-/******************************************************************************
- *
- * Function: cleanup
- *
- *****************************************************************************/
-
-void __exit cleanup_module()
-{
-    unsigned int i;
-
-    printk(KERN_INFO "=== Stopping Minimal EtherCAT environment... ===\n");
-
-    if (ecat_master)
-    {
-#ifdef ECAT_CYCLIC_DATA
-        del_timer_sync(&timer);
-#endif // ECAT_CYCLIC_DATA
-
-        printk(KERN_INFO "Deactivating slaves.\n");
-
-        for (i = 0; i < ECAT_SLAVES_COUNT; i++) {
-            EtherCAT_deactivate_slave(ecat_master, &ecat_slaves[i]);
-        }
-
-        EtherCAT_release(ecat_master);
-    }
-
-    printk(KERN_INFO "=== Minimal EtherCAT environment stopped. ===\n");
-}
-
-/*****************************************************************************/
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR ("Florian Pose <fp@igh-essen.com>");
-MODULE_DESCRIPTION ("Minimal EtherCAT environment");
-
-module_init(init_module);
-module_exit(cleanup_module);
-
-/*****************************************************************************/
-
-/* Emacs-Konfiguration
-;;; Local Variables: ***
-;;; c-basic-offset:4 ***
-;;; End: ***
-*/
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mini/mini.c	Tue Jan 17 18:28:15 2006 +0000
@@ -0,0 +1,160 @@
+/******************************************************************************
+ *
+ * m i n i . c
+ *
+ * Minimalmodul für EtherCAT
+ *
+ * $Id$
+ *
+ *****************************************************************************/
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/timer.h>
+
+#include "../include/EtherCAT_rt.h"
+
+/*****************************************************************************/
+
+// Auskommentieren, wenn keine zyklischen Daten erwuenscht
+#define ECAT_CYCLIC_DATA
+
+/*****************************************************************************/
+
+ec_master_t *master = NULL;
+
+#ifdef ECAT_CYCLIC_DATA
+
+int value;
+int dig1;
+
+struct timer_list timer;
+unsigned long last_start_jiffies;
+
+#endif // ECAT_CYCLIC_DATA
+
+/******************************************************************************
+ *
+ * Function: run
+ *
+ * Beschreibung: Zyklischer Prozess
+ *
+ *****************************************************************************/
+
+#ifdef ECAT_CYCLIC_DATA
+
+static void run(unsigned long data)
+{
+  static int ms = 0;
+    static unsigned long int k = 0;
+    static int firstrun = 1;
+
+    ms++;
+    ms %= 1000;
+
+#if 0
+    if (klemme >= 0)
+        EtherCAT_write_value(&ecat_slaves[klemme], kanal, up_down);
+#endif
+
+    // Prozessdaten lesen und schreiben
+    rdtscl(k);
+    EtherCAT_rt_domain_cycle(master, 1, 100);
+    firstrun = 0;
+
+    timer.expires += HZ / 1000;
+    add_timer(&timer);
+}
+
+#endif // ECAT_CYCLIC_DATA
+
+/******************************************************************************
+ *
+ * Function: init
+ *
+ *****************************************************************************/
+
+int __init init_mini_module(void)
+{
+    printk(KERN_INFO "=== Starting Minimal EtherCAT environment... ===\n");
+
+    if ((master = EtherCAT_rt_request_master(0)) == NULL) {
+        printk(KERN_ERR "EtherCAT master 0 not available!\n");
+        goto out_return;
+    }
+
+    //check_slaves();
+
+    printk("Activating all EtherCAT slaves.\n");
+
+    if (EtherCAT_rt_activate_slaves(master) != 0) {
+        printk(KERN_ERR "EtherCAT: Could not activate slaves!\n");
+        goto out_release_master;
+    }
+
+#ifdef ECAT_CYCLIC_DATA
+    printk("Starting cyclic sample thread.\n");
+
+    init_timer(&timer);
+
+    timer.function = run;
+    timer.data = 0;
+    timer.expires = jiffies+10; // Das erste Mal sofort feuern
+    last_start_jiffies = timer.expires;
+    add_timer(&timer);
+
+    printk("Initialised sample thread.\n");
+#endif
+
+    printk(KERN_INFO "=== Minimal EtherCAT environment started. ===\n");
+
+    return 0;
+
+ out_release_master:
+  EtherCAT_rt_release_master(master);
+
+ out_return:
+  return -1;
+}
+
+/******************************************************************************
+ *
+ * Function: cleanup
+ *
+ *****************************************************************************/
+
+void __exit cleanup_mini_module(void)
+{
+    printk(KERN_INFO "=== Stopping Minimal EtherCAT environment... ===\n");
+
+    if (master)
+    {
+#ifdef ECAT_CYCLIC_DATA
+        del_timer_sync(&timer);
+#endif // ECAT_CYCLIC_DATA
+
+        printk(KERN_INFO "Deactivating slaves.\n");
+
+        EtherCAT_rt_deactivate_slaves(master);
+        EtherCAT_rt_release_master(master);
+    }
+
+    printk(KERN_INFO "=== Minimal EtherCAT environment stopped. ===\n");
+}
+
+/*****************************************************************************/
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR ("Florian Pose <fp@igh-essen.com>");
+MODULE_DESCRIPTION ("Minimal EtherCAT environment");
+
+module_init(init_mini_module);
+module_exit(cleanup_mini_module);
+
+/*****************************************************************************/
+
+/* Emacs-Konfiguration
+;;; Local Variables: ***
+;;; c-basic-offset:4 ***
+;;; End: ***
+*/
--- a/rt/msr_module.c	Fri Jan 13 15:47:44 2006 +0000
+++ b/rt/msr_module.c	Tue Jan 17 18:28:15 2006 +0000
@@ -32,10 +32,7 @@
 #include "msr_jitter.h"
 
 // EtherCAT
-#include "../drivers/ec_master.h"
-#include "../drivers/ec_device.h"
-#include "../drivers/ec_types.h"
-#include "../drivers/ec_module.h"
+#include "../include/EtherCAT_rt.h"
 
 // Defines/Makros
 #define TSC2US(T1, T2) ((T2 - T1) * 1000UL / cpu_khz)
@@ -54,16 +51,18 @@
 
 // EtherCAT
 
-static EtherCAT_master_t *ecat_master = NULL;
+ec_master_t *master = NULL;
 static unsigned int ecat_bus_time = 0;
 static unsigned int ecat_timeouts = 0;
 
-static EtherCAT_slave_t ecat_slaves[] =
+#if 0
+static ec_slave_t slaves[] =
 {
     // Block 1
     ECAT_INIT_SLAVE(Beckhoff_EK1100, 0),
     ECAT_INIT_SLAVE(Beckhoff_EL3102, 0)
 };
+#endif
 
 #define ECAT_SLAVES_COUNT (sizeof(ecat_slaves) / sizeof(EtherCAT_slave_t))
 
@@ -87,20 +86,22 @@
     // Prozessdaten lesen
     msr_jitter_run(MSR_ABTASTFREQUENZ);
 
+#if 0
     if (debug_counter == 0) {
-        ecat_master->debug_level = 2;
-    }
-
-    // Prozessdaten schreiben
-
-    if (EtherCAT_process_data_cycle(ecat_master, 0, 40) < 0)
-        ecat_timeouts++;
-
+        master->debug_level = 2;
+    }
+#endif
+
+    // Prozessdaten lesen und schreiben
+    EtherCAT_rt_domain_cycle(master, 0, 40);
+
+#if 0
     if (debug_counter == 0) {
-        ecat_master->debug_level = 0;
-    }
-
-    value = EtherCAT_read_value(&ecat_slaves[1], 0);
+        master->debug_level = 0;
+    }
+#endif
+
+    //    value = EtherCAT_read_value(&ecat_slaves[1], 0);
 
     debug_counter++;
     if (debug_counter >= MSR_ABTASTFREQUENZ * 5) debug_counter = 0;
@@ -183,9 +184,8 @@
  * the init/clean material
  *****************************************************************************/
 
-int __init init_module()
-{
-    unsigned int i;
+int __init init_rt_module(void)
+{
     struct ipipe_domain_attr attr; //ipipe
 
     // Als allererstes die RT-lib initialisieren
@@ -200,25 +200,24 @@
 
     printk(KERN_INFO "=== Starting EtherCAT environment... ===\n");
 
-    if ((ecat_master = EtherCAT_request(0)) == NULL) {
+    if ((master = EtherCAT_rt_request_master(0)) == NULL) {
         printk(KERN_ERR "EtherCAT master 0 not available!\n");
         goto out_msr_cleanup;
     }
 
+#if 0
     printk("Checking EtherCAT slaves.\n");
-
-    if (EtherCAT_check_slaves(ecat_master, ecat_slaves, ECAT_SLAVES_COUNT) != 0) {
+    if (EtherCAT_check_slaves(master, ecat_slaves, ECAT_SLAVES_COUNT) != 0) {
         printk(KERN_ERR "EtherCAT: Could not init slaves!\n");
         goto out_release_master;
     }
+#endif
 
     printk("Activating all EtherCAT slaves.\n");
 
-    for (i = 0; i < ECAT_SLAVES_COUNT; i++) {
-        if (EtherCAT_activate_slave(ecat_master, ecat_slaves + i) < 0) {
-            printk(KERN_ERR "EtherCAT: Could not activate slave %i!\n", i);
-            goto out_release_master;
-        }
+    if (EtherCAT_rt_activate_slaves(master) < 0) {
+      printk(KERN_ERR "EtherCAT: Could not activate slaves!\n");
+      goto out_release_master;
     }
 
     do_gettimeofday(&process_time);
@@ -234,7 +233,7 @@
     return 0;
 
  out_release_master:
-    EtherCAT_release(ecat_master);
+    EtherCAT_rt_release_master(master);
 
  out_msr_cleanup:
     msr_rtlib_cleanup();
@@ -245,28 +244,24 @@
 
 /*****************************************************************************/
 
-void __exit cleanup_module()
-{
-    unsigned int i;
-
+void __exit cleanup_rt_module(void)
+{
     msr_print_info("msk_modul: unloading...");
 
     ipipe_tune_timer(1000000000UL / HZ, 0); //alten Timertakt wieder herstellen
     ipipe_unregister_domain(&this_domain);
 
-    if (ecat_master)
+    if (master)
     {
         printk(KERN_INFO "=== Stopping EtherCAT environment... ===\n");
 
         printk(KERN_INFO "Deactivating slaves.\n");
 
-        for (i = 0; i < ECAT_SLAVES_COUNT; i++) {
-            if (EtherCAT_deactivate_slave(ecat_master, ecat_slaves + i) < 0) {
-                printk(KERN_WARNING "Warning - Could not deactivate slave!\n");
-            }
+        if (EtherCAT_rt_deactivate_slaves(master) < 0) {
+          printk(KERN_WARNING "Warning - Could not deactivate slaves!\n");
         }
 
-        EtherCAT_release(ecat_master);
+        EtherCAT_rt_release_master(master);
 
         printk(KERN_INFO "=== EtherCAT environment stopped. ===\n");
     }
@@ -282,7 +277,7 @@
 MODULE_AUTHOR ("Wilhelm Hagemeister <hm@igh-essen.com>");
 MODULE_DESCRIPTION ("EtherCAT test environment");
 
-module_init(init_module);
-module_exit(cleanup_module);
-
-/*****************************************************************************/
+module_init(init_rt_module);
+module_exit(cleanup_rt_module);
+
+/*****************************************************************************/