# HG changeset patch
# User Andreas Stewering-Bone <ab@igh-essen.com>
# Date 1300309943 -3600
# Node ID 3417bbc4ad2fb6894f85dd217863dd483ebfdae3
# Parent  cceb9aacf4a6c8273d91c1b45de11fb580a95505
First working RTDM Version,
to be reviewed,
further testing and optimation needed

Thanks to Moehwald GmbH B.Benner for Basic Code

diff -r cceb9aacf4a6 -r 3417bbc4ad2f Kbuild.in
--- a/Kbuild.in	Thu Mar 03 09:05:40 2011 +0100
+++ b/Kbuild.in	Wed Mar 16 22:12:23 2011 +0100
@@ -35,4 +35,8 @@
 	obj-m += tty/
 endif
 
+ifeq (@ENABLE_RTDM@,1)
+	obj-m += rtdm/
+endif
+
 #------------------------------------------------------------------------------
diff -r cceb9aacf4a6 -r 3417bbc4ad2f Makefile.am
--- a/Makefile.am	Thu Mar 03 09:05:40 2011 +0100
+++ b/Makefile.am	Wed Mar 16 22:12:23 2011 +0100
@@ -47,6 +47,10 @@
 SUBDIRS += tty
 endif
 
+if ENABLE_RTDM
+SUBDIRS += rtdm
+endif
+
 # userspace example depends on lib/
 SUBDIRS += examples
 
@@ -59,6 +63,7 @@
     master \
     script \
     tool \
+	rtdm \
 	tty
 
 noinst_HEADERS = \
diff -r cceb9aacf4a6 -r 3417bbc4ad2f configure.ac
--- a/configure.ac	Thu Mar 03 09:05:40 2011 +0100
+++ b/configure.ac	Wed Mar 16 22:12:23 2011 +0100
@@ -365,7 +365,7 @@
 AC_ARG_WITH([rtai-dir],
     AC_HELP_STRING(
         [--with-rtai-dir=<DIR>],
-        [RTAI path (only for RTAI examples)]
+        [RTAI path (only for RTDM Interface or RTAI examples)]
     ),
     [
         rtaidir=[$withval]
@@ -388,6 +388,67 @@
 
 AC_SUBST(RTAI_DIR,[$rtaidir])
 
+
+#------------------------------------------------------------------------------
+# Xenomai path (optional)
+#------------------------------------------------------------------------------
+
+AC_ARG_WITH([xenomai-dir],
+    AC_HELP_STRING(
+        [--with-xenomai-dir=<DIR>],
+        [Xenomai path (only for RTDM Interface or Xenomai examples)]
+    ),
+    [
+        xenomaidir=[$withval]
+    ],
+    [
+        xenomaidir=""
+    ]
+)
+
+AC_MSG_CHECKING([for Xenomai path])
+
+if test -z "${xenomaidir}"; then
+    AC_MSG_RESULT([not specified.])
+else
+    if test \! -r ${xenomaidir}/include/xeno_config.h; then
+        AC_MSG_ERROR([no Xenomai installation found in ${xenomaidir}!])
+    fi
+    AC_MSG_RESULT([$xenomaidir])
+fi
+
+AC_SUBST(XENOMAI_DIR,[$xenomaidir])
+
+
+#------------------------------------------------------------------------------
+# RTDM Interface (optional)
+#------------------------------------------------------------------------------
+
+AC_ARG_ENABLE([rtdm],
+    AC_HELP_STRING(
+        [--enable-rtdm],
+        [Enable RTDM Interface, depends on RTAI or Xenomai]
+    ),
+    [
+        case "${enableval}" in
+            yes) rtdm=1
+                ;;
+            no) rtdm=0
+                ;;
+            *) AC_MSG_ERROR([Invalid value for --enable-rtdm])
+                ;;
+        esac
+    ],
+    [rtdm=0]
+)
+
+if test "x${rtdm}" = "x1"; then
+    AC_DEFINE([EC_RTDM], [1], [RTDM interfaces enabled])
+fi
+AM_CONDITIONAL(ENABLE_RTDM, test "x$rtdm" = "x1")
+AC_SUBST(ENABLE_RTDM,[$rtdm])
+
+
 #------------------------------------------------------------------------------
 # Debug interface
 #------------------------------------------------------------------------------
@@ -626,6 +687,7 @@
         examples/tty/Kbuild
         examples/tty/Makefile
         examples/user/Makefile
+        examples/xenomai/Makefile
         include/Makefile
         lib/Makefile
         m4/Makefile
@@ -638,6 +700,8 @@
         tool/Makefile
         tty/Kbuild
         tty/Makefile
+        rtdm/Makefile
+        rtdm/Kbuild
 ])
 AC_OUTPUT
 
diff -r cceb9aacf4a6 -r 3417bbc4ad2f devices/8139too-2.6.35-ethercat.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devices/8139too-2.6.35-ethercat.c	Wed Mar 16 22:12:23 2011 +0100
@@ -0,0 +1,2780 @@
+/******************************************************************************
+ *
+ *  $Id$
+ *
+ *  Copyright (C) 2006-2009  Florian Pose, Ingenieurgemeinschaft IgH
+ *
+ *  This file is part of the IgH EtherCAT Master.
+ *
+ *  The IgH EtherCAT Master is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License version 2, as
+ *  published by the Free Software Foundation.
+ *
+ *  The IgH EtherCAT Master is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+ *  Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with the IgH EtherCAT Master; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ *  ---
+ *
+ *  The license mentioned above concerns the source code only. Using the
+ *  EtherCAT technology and brand is only permitted in compliance with the
+ *  industrial property and similar rights of Beckhoff Automation GmbH.
+ *
+ *****************************************************************************/
+
+/**
+   \file
+   EtherCAT driver for RTL8139-compatible NICs.
+*/
+
+/*****************************************************************************/
+
+/*
+  Former documentation:
+
+	8139too.c: A RealTek RTL-8139 Fast Ethernet driver for Linux.
+
+	Maintained by Jeff Garzik <jgarzik@pobox.com>
+	Copyright 2000-2002 Jeff Garzik
+
+	Much code comes from Donald Becker's rtl8139.c driver,
+	versions 1.13 and older.  This driver was originally based
+	on rtl8139.c version 1.07.  Header of rtl8139.c version 1.13:
+
+	-----<snip>-----
+
+        	Written 1997-2001 by Donald Becker.
+		This software may be used and distributed according to the
+		terms of the GNU General Public License (GPL), incorporated
+		herein by reference.  Drivers based on or derived from this
+		code fall under the GPL and must retain the authorship,
+		copyright and license notice.  This file is not a complete
+		program and may only be used when the entire operating
+		system is licensed under the GPL.
+
+		This driver is for boards based on the RTL8129 and RTL8139
+		PCI ethernet chips.
+
+		The author may be reached as becker@scyld.com, or C/O Scyld
+		Computing Corporation 410 Severn Ave., Suite 210 Annapolis
+		MD 21403
+
+		Support and updates available at
+		http://www.scyld.com/network/rtl8139.html
+
+		Twister-tuning table provided by Kinston
+		<shangh@realtek.com.tw>.
+
+	-----<snip>-----
+
+	This software may be used and distributed according to the terms
+	of the GNU General Public License, incorporated herein by reference.
+
+	Contributors:
+
+		Donald Becker - he wrote the original driver, kudos to him!
+		(but please don't e-mail him for support, this isn't his driver)
+
+		Tigran Aivazian - bug fixes, skbuff free cleanup
+
+		Martin Mares - suggestions for PCI cleanup
+
+		David S. Miller - PCI DMA and softnet updates
+
+		Ernst Gill - fixes ported from BSD driver
+
+		Daniel Kobras - identified specific locations of
+			posted MMIO write bugginess
+
+		Gerard Sharp - bug fix, testing and feedback
+
+		David Ford - Rx ring wrap fix
+
+		Dan DeMaggio - swapped RTL8139 cards with me, and allowed me
+		to find and fix a crucial bug on older chipsets.
+
+		Donald Becker/Chris Butterworth/Marcus Westergren -
+		Noticed various Rx packet size-related buglets.
+
+		Santiago Garcia Mantinan - testing and feedback
+
+		Jens David - 2.2.x kernel backports
+
+		Martin Dennett - incredibly helpful insight on undocumented
+		features of the 8139 chips
+
+		Jean-Jacques Michel - bug fix
+
+		Tobias Ringström - Rx interrupt status checking suggestion
+
+		Andrew Morton - Clear blocked signals, avoid
+		buffer overrun setting current->comm.
+
+		Kalle Olavi Niemitalo - Wake-on-LAN ioctls
+
+		Robert Kuebel - Save kernel thread from dying on any signal.
+
+	Submitting bug reports:
+
+		"rtl8139-diag -mmmaaavvveefN" output
+		enable RTL8139_DEBUG below, and look at 'dmesg' or kernel log
+
+*/
+
+#define DRV_NAME	"ec_8139too"
+#define DRV_VERSION	"0.9.28"
+
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/compiler.h>
+#include <linux/pci.h>
+#include <linux/init.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 <linux/io.h>
+#include <linux/uaccess.h>
+#include <linux/gfp.h>
+#include <asm/irq.h>
+
+#include "../globals.h"
+#include "ecdev.h"
+
+#define RTL8139_DRIVER_NAME DRV_NAME \
+                            " EtherCAT-capable Fast Ethernet driver " \
+                            DRV_VERSION ", master " EC_MASTER_VERSION
+
+#define PFX DRV_NAME ": "
+
+/* Default Message level */
+#define RTL8139_DEF_MSG_ENABLE   (NETIF_MSG_DRV   | \
+                                 NETIF_MSG_PROBE  | \
+                                 NETIF_MSG_LINK)
+
+
+/* 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
+
+
+#ifdef RTL8139_NDEBUG
+#  define assert(expr) do {} while (0)
+#else
+#  define assert(expr) \
+        if(unlikely(!(expr))) {				        \
+        pr_err("Assertion failed! %s,%s,%s,line=%d\n",	\
+	#expr, __FILE__, __func__, __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};
+
+/* Whether to use MMIO or PIO. Default to MMIO. */
+#ifdef CONFIG_8139TOO_PIO
+static int use_io = 1;
+#else
+static int use_io = 0;
+#endif
+
+/* 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 0	/* 8K 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 const struct {
+	const char *name;
+	u32 hw_flags;
+} board_info[] __devinitdata = {
+	{ "RealTek RTL8139", RTL8139_CAPS },
+	{ "RealTek RTL8129", RTL8129_CAPS },
+};
+
+
+static DEFINE_PCI_DEVICE_TABLE(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,}
+};
+
+/* prevent driver from being loaded automatically */
+//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,
+	TimerInt	= 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,
+	FlashReg	= 0xD4,	/* Communication with Flash ROM, four bytes. */
+	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 Tx pkt CRC append */
+	TxClearAbt	= (1 << 0),	/* Clear abort (WO) */
+	TxDMAShift	= 8, /* DMA burst value (0-7) is shifted X many bits */
+	TxRetryShift	= 4, /* TXRR value (0-15) is shifted X 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 */
+static const 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),
+	  HasHltClk /* XXX undocumented? */
+	| 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 napi_struct	napi;
+	struct net_device	*dev;
+
+	unsigned char		*rx_ring;
+	unsigned int		cur_rx;	/* RX buf index of next pkt */
+	dma_addr_t		rx_ring_dma;
+
+	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		tx_bufs_dma;
+
+	signed char		phys[4];	/* MII device addresses. */
+
+				/* Twister tune state. */
+	char			twistie, twist_row, twist_col;
+
+	unsigned int		watchdog_fired : 1;
+	unsigned int		default_port : 4; /* Last dev->if_port value. */
+	unsigned int		have_thread : 1;
+
+	spinlock_t		lock;
+	spinlock_t		rx_lock;
+
+	chip_t			chipset;
+	u32			rx_config;
+	struct rtl_extra_stats	xstats;
+
+	struct delayed_work	thread;
+
+	struct mii_if_info	mii;
+	unsigned int		regs_len;
+	unsigned long		fifo_copy_timeout;
+    
+	ec_device_t *ecdev;
+};
+
+MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");
+MODULE_DESCRIPTION("RealTek RTL-8139 EtherCAT driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(EC_MASTER_VERSION);
+
+module_param(use_io, int, 0);
+MODULE_PARM_DESC(use_io, "Force use of I/O access mode. 0=MMIO 1=PIO");
+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)");
+
+void ec_poll(struct net_device *);
+
+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 rtl8139_private *tp);
+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);
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void rtl8139_poll_controller(struct net_device *dev);
+#endif
+static int rtl8139_set_mac_address(struct net_device *dev, void *p);
+static int rtl8139_poll(struct napi_struct *napi, int budget);
+static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance);
+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 void rtl8139_thread (struct work_struct *work);
+static void rtl8139_tx_timeout_task(struct work_struct *work);
+static const 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)
+
+/* 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))
+
+/* 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;
+
+	if (tp->mmio_addr)
+		pci_iounmap (pdev, tp->mmio_addr);
+
+	/* 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 __devinit struct net_device * rtl8139_init_board (struct pci_dev *pdev)
+{
+	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 and priv zeroed in alloc_etherdev */
+	dev = alloc_etherdev (sizeof (*tp));
+	if (dev == NULL) {
+		dev_err(&pdev->dev, "Unable to alloc new net device\n");
+		return ERR_PTR(-ENOMEM);
+	}
+	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 */
+	pr_debug("PIO region size == 0x%02lX\n", pio_len);
+	pr_debug("MMIO region size == 0x%02lX\n", mmio_len);
+
+retry:
+	if (use_io) {
+		/* make sure PCI base addr 0 is PIO */
+		if (!(pio_flags & IORESOURCE_IO)) {
+			dev_err(&pdev->dev, "region #0 not a PIO resource, aborting\n");
+			rc = -ENODEV;
+			goto err_out;
+		}
+		/* check for weird/broken PCI region reporting */
+		if (pio_len < RTL_MIN_IO_SIZE) {
+			dev_err(&pdev->dev, "Invalid PCI I/O region size(s), aborting\n");
+			rc = -ENODEV;
+			goto err_out;
+		}
+	} else {
+		/* make sure PCI base addr 1 is MMIO */
+		if (!(mmio_flags & IORESOURCE_MEM)) {
+			dev_err(&pdev->dev, "region #1 not an MMIO resource, aborting\n");
+			rc = -ENODEV;
+			goto err_out;
+		}
+		if (mmio_len < RTL_MIN_IO_SIZE) {
+			dev_err(&pdev->dev, "Invalid PCI mem region size(s), aborting\n");
+			rc = -ENODEV;
+			goto err_out;
+		}
+	}
+
+	rc = pci_request_regions (pdev, DRV_NAME);
+	if (rc)
+		goto err_out;
+	disable_dev_on_err = 1;
+
+	/* enable PCI bus-mastering */
+	pci_set_master (pdev);
+
+	if (use_io) {
+		ioaddr = pci_iomap(pdev, 0, 0);
+		if (!ioaddr) {
+			dev_err(&pdev->dev, "cannot map PIO, aborting\n");
+			rc = -EIO;
+			goto err_out;
+		}
+		dev->base_addr = pio_start;
+		tp->regs_len = pio_len;
+	} else {
+		/* ioremap MMIO region */
+		ioaddr = pci_iomap(pdev, 1, 0);
+		if (ioaddr == NULL) {
+			dev_err(&pdev->dev, "cannot remap MMIO, trying PIO\n");
+			pci_release_regions(pdev);
+			use_io = 1;
+			goto retry;
+		}
+		dev->base_addr = (long) ioaddr;
+		tp->regs_len = mmio_len;
+	}
+	tp->mmio_addr = ioaddr;
+
+	/* Bring old chips out of low-power mode. */
+	RTL_W8 (HltClk, 'R');
+
+	/* check for missing/broken hardware */
+	if (RTL_R32 (TxConfig) == 0xFFFFFFFF) {
+		dev_err(&pdev->dev, "Chip not responding, ignoring board\n");
+		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 */
+	i = 0;
+	dev_dbg(&pdev->dev, "unknown chip version, assuming RTL-8139\n");
+	dev_dbg(&pdev->dev, "TxConfig = 0x%lx\n", RTL_R32 (TxConfig));
+	tp->chipset = 0;
+
+match:
+	pr_debug("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);
+		pr_debug("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 {
+		pr_debug("Old chip wakeup\n");
+		tmp8 = RTL_R8 (Config1);
+		tmp8 &= ~(SLEEP | PWRDN);
+		RTL_W8 (Config1, tmp8);
+	}
+
+	rtl8139_chip_reset (ioaddr);
+
+	return dev;
+
+err_out:
+	__rtl8139_cleanup_dev (dev);
+	if (disable_dev_on_err)
+		pci_disable_device (pdev);
+	return ERR_PTR(rc);
+}
+
+static const struct net_device_ops rtl8139_netdev_ops = {
+	.ndo_open		= rtl8139_open,
+	.ndo_stop		= rtl8139_close,
+	.ndo_get_stats		= rtl8139_get_stats,
+	.ndo_change_mtu		= eth_change_mtu,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_set_mac_address 	= rtl8139_set_mac_address,
+	.ndo_start_xmit		= rtl8139_start_xmit,
+	.ndo_set_multicast_list	= rtl8139_set_rx_mode,
+	.ndo_do_ioctl		= netdev_ioctl,
+	.ndo_tx_timeout		= rtl8139_tx_timeout,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	.ndo_poll_controller	= rtl8139_poll_controller,
+#endif
+};
+
+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;
+
+	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++)
+			pr_info(RTL8139_DRIVER_NAME "\n");
+	}
+#endif
+
+	if (pdev->vendor == PCI_VENDOR_ID_REALTEK &&
+	    pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pdev->revision >= 0x20) {
+		dev_info(&pdev->dev,
+			   "This (id %04x:%04x rev %02x) is an enhanced 8139C+ chip, use 8139cp\n",
+		       	   pdev->vendor, pdev->device, pdev->revision);
+		return -ENODEV;
+	}
+
+	if (pdev->vendor == PCI_VENDOR_ID_REALTEK &&
+	    pdev->device == PCI_DEVICE_ID_REALTEK_8139 &&
+	    pdev->subsystem_vendor == PCI_VENDOR_ID_ATHEROS &&
+	    pdev->subsystem_device == PCI_DEVICE_ID_REALTEK_8139) {
+		pr_info("8139too: OQO Model 2 detected. Forcing PIO\n");
+		use_io = 1;
+	}
+
+	dev = rtl8139_init_board (pdev);
+	if (IS_ERR(dev))
+		return PTR_ERR(dev);
+
+	assert (dev != NULL);
+	tp = netdev_priv(dev);
+	tp->dev = dev;
+
+	ioaddr = tp->mmio_addr;
+	assert (ioaddr != NULL);
+
+	addr_len = read_eeprom (ioaddr, 0, 8) == 0x8129 ? 8 : 6;
+	for (i = 0; i < 3; i++)
+		((__le16 *) (dev->dev_addr))[i] =
+		    cpu_to_le16(read_eeprom (ioaddr, i + 7, addr_len));
+	memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
+
+	/* The Rtl8139-specific entries in the device structure. */
+	dev->netdev_ops = &rtl8139_netdev_ops;
+	dev->ethtool_ops = &rtl8139_ethtool_ops;
+	dev->watchdog_timeo = TX_TIMEOUT;
+	netif_napi_add(dev, &tp->napi, rtl8139_poll, 64);
+
+	/* 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_DELAYED_WORK(&tp->thread, rtl8139_thread);
+	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 */
+	// offer device to EtherCAT master module
+	tp->ecdev = ecdev_offer(dev, ec_poll, THIS_MODULE);
+
+	if (!tp->ecdev) {
+		pr_debug("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);
+
+	pr_info("%s: %s at 0x%lx, %pM, IRQ %d\n",
+		dev->name,
+		board_info[ent->driver_data].name,
+		dev->base_addr,
+		dev->dev_addr,
+		dev->irq);
+
+	pr_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;
+				pr_info("%s: MII transceiver %d status 0x%4.4x advertising %4.4x.\n",
+					   dev->name, phy, mii_status, advertising);
+			}
+		}
+		if (phy_idx == 0) {
+			pr_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) {
+		pr_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) {
+		pr_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. */
+
+	if (tp->ecdev && ecdev_open(tp->ecdev)) {
+		ecdev_withdraw(tp->ecdev);
+		goto err_out;
+	}
+
+	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);
+	struct rtl8139_private *tp = netdev_priv(dev);
+
+	assert (dev != NULL);
+
+	flush_scheduled_work();
+
+	if (tp->ecdev) {
+		ecdev_close(tp->ecdev);
+		ecdev_withdraw(tp->ecdev);
+	}
+	else {
+		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()	(void)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 const 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;
+
+	if (!tp->ecdev) {
+		retval = request_irq(dev->irq, rtl8139_interrupt,
+			IRQF_SHARED, dev->name, dev);
+		if (retval)
+			return retval;
+	}
+
+	tp->tx_bufs = dma_alloc_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN,
+					   &tp->tx_bufs_dma, GFP_KERNEL);
+	tp->rx_ring = dma_alloc_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN,
+					   &tp->rx_ring_dma, GFP_KERNEL);
+	if (tp->tx_bufs == NULL || tp->rx_ring == NULL) {
+		if (!tp->ecdev) free_irq(dev->irq, dev);
+
+		if (tp->tx_bufs)
+			dma_free_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN,
+					    tp->tx_bufs, tp->tx_bufs_dma);
+		if (tp->rx_ring)
+			dma_free_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN,
+					    tp->rx_ring, tp->rx_ring_dma);
+
+		return -ENOMEM;
+
+	}
+
+	napi_enable(&tp->napi);
+
+	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 (!tp->ecdev) {
+		if (netif_msg_ifup(tp))
+			pr_debug("%s: rtl8139_open() ioaddr %#llx IRQ %d"
+				" GP Pins %2.2x %s-duplex.\n", dev->name,
+				(unsigned long long)pci_resource_start (tp->pci_dev, 1),
+				dev->irq, RTL_R8 (MediaStatus),
+				tp->mii.full_duplex ? "full" : "half");
+
+		rtl8139_start_thread(tp);
+	}
+
+	return 0;
+}
+
+
+static void rtl_check_media (struct net_device *dev, unsigned int init_media)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+
+	if (tp->ecdev) {
+		void __iomem *ioaddr = tp->mmio_addr;
+		u16 state = RTL_R16(BasicModeStatus) & BMSR_LSTATUS;
+		ecdev_set_link(tp->ecdev, state ? 1 : 0);
+	}
+	else {
+		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, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0)));
+	RTL_W32_F (MAC0 + 4, le16_to_cpu (*(__le16 *) (dev->dev_addr + 4)));
+
+	tp->cur_rx = 0;
+
+	/* init Rx ring buffer DMA address */
+	RTL_W32_F (RxBuf, tp->rx_ring_dma);
+
+	/* 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);
+
+	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);
+	}
+
+	pr_debug("init buffer addresses\n");
+
+	/* Lock Config[01234] and BMCR register writes */
+	RTL_W8 (Cfg9346, Cfg9346_Lock);
+
+	/* 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);
+
+	if (!tp->ecdev)
+		/* 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) {
+				pr_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 {
+				pr_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);
+
+	pr_debug("%s: Media selection tick, Link partner %4.4x.\n",
+		 dev->name, RTL_R16 (NWayLPAR));
+	pr_debug("%s:  Other registers are IntMask %4.4x IntStatus %4.4x\n",
+		 dev->name, RTL_R16 (IntrMask), RTL_R16 (IntrStatus));
+	pr_debug("%s:  Chip config %2.2x %2.2x.\n",
+		 dev->name, RTL_R8 (Config0),
+		 RTL_R8 (Config1));
+}
+
+static void rtl8139_thread (struct work_struct *work)
+{
+	struct rtl8139_private *tp =
+		container_of(work, struct rtl8139_private, thread.work);
+	struct net_device *dev = tp->mii.dev;
+	unsigned long thr_delay = next_tick;
+
+	rtnl_lock();
+
+	if (!netif_running(dev))
+		goto out_unlock;
+
+	if (tp->watchdog_fired) {
+		tp->watchdog_fired = 0;
+		rtl8139_tx_timeout_task(work);
+	} else
+		rtl8139_thread_iter(dev, tp, tp->mmio_addr);
+
+	if (tp->have_thread)
+		schedule_delayed_work(&tp->thread, thr_delay);
+out_unlock:
+	rtnl_unlock ();
+}
+
+static void rtl8139_start_thread(struct rtl8139_private *tp)
+{
+	tp->twistie = 0;
+	if (tp->chipset == CH_8139_K)
+		tp->twistie = 1;
+	else if (tp->drv_flags & HAS_LNK_CHNG)
+		return;
+
+	tp->have_thread = 1;
+	tp->watchdog_fired = 0;
+
+	schedule_delayed_work(&tp->thread, next_tick);
+}
+
+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_task (struct work_struct *work)
+{
+	struct rtl8139_private *tp =
+		container_of(work, struct rtl8139_private, thread.work);
+	struct net_device *dev = tp->mii.dev;
+	void __iomem *ioaddr = tp->mmio_addr;
+	int i;
+	u8 tmp8;
+
+	pr_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. */
+	pr_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++)
+		pr_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);
+
+	if (tp->ecdev) {
+		rtl8139_tx_clear (tp);
+		rtl8139_hw_start (dev);
+	}
+	else {
+	  spin_lock_bh(&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_irq(&tp->lock);
+	  rtl8139_tx_clear (tp);
+	  spin_unlock_irq(&tp->lock);
+
+	  /* ...and finally, reset everything */
+	  if (netif_running(dev)) {
+	    rtl8139_hw_start (dev);
+	    netif_wake_queue (dev);
+	  }
+	  spin_unlock_bh(&tp->rx_lock);
+	}
+}
+
+static void rtl8139_tx_timeout (struct net_device *dev)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+
+	tp->watchdog_fired = 1;
+	if (!tp->ecdev && !tp->have_thread) {
+		INIT_DELAYED_WORK(&tp->thread, rtl8139_thread);
+		schedule_delayed_work(&tp->thread, next_tick);
+	}
+}
+
+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;
+	unsigned long flags;
+
+	/* 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]);
+		if (!tp->ecdev) dev_kfree_skb(skb);
+	} else {
+		if (!tp->ecdev) dev_kfree_skb(skb);
+		dev->stats.tx_dropped++;
+		return 0;
+	}
+
+	if (tp->ecdev) {
+		wmb();
+		RTL_W32_F (TxStatus0 + (entry * sizeof (u32)),
+			tp->tx_flag | max(len, (unsigned int)ETH_ZLEN));
+ 
+ 
+		tp->cur_tx++;
+	} else {
+		spin_lock_irqsave(&tp->lock, flags);
+		/*
+		 * Writing to TxStatus triggers a DMA transfer of the data
+		 * copied to tp->tx_buf[entry] above. Use a memory barrier
+		 * to make sure that the device sees the updated data.
+		 */
+		wmb();
+		RTL_W32_F (TxStatus0 + (entry * sizeof (u32)),
+			   tp->tx_flag | max(len, (unsigned int)ETH_ZLEN));
+
+		tp->cur_tx++;
+
+		if ((tp->cur_tx - NUM_TX_DESC) == tp->dirty_tx)
+			netif_stop_queue (dev);
+		spin_unlock_irqrestore(&tp->lock, flags);
+
+		if (netif_msg_tx_queued(tp))
+			pr_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))
+				pr_debug("%s: Transmit error, Tx status %8.8x.\n",
+					dev->name, txstatus);
+			dev->stats.tx_errors++;
+			if (txstatus & TxAborted) {
+				dev->stats.tx_aborted_errors++;
+				RTL_W32 (TxConfig, TxClearAbt);
+				RTL_W16 (IntrStatus, TxErr);
+				wmb();
+			}
+			if (txstatus & TxCarrierLost)
+				dev->stats.tx_carrier_errors++;
+			if (txstatus & TxOutOfWindow)
+				dev->stats.tx_window_errors++;
+		} else {
+			if (txstatus & TxUnderrun) {
+				/* Add 64 to the Tx FIFO threshold. */
+				if (tp->tx_flag < 0x00300000)
+					tp->tx_flag += 0x00020000;
+				dev->stats.tx_fifo_errors++;
+			}
+			dev->stats.collisions += (txstatus >> 24) & 15;
+			dev->stats.tx_bytes += txstatus & 0x7ff;
+			dev->stats.tx_packets++;
+		}
+
+		dirty_tx++;
+		tx_left--;
+	}
+
+#ifndef RTL8139_NDEBUG
+	if (!tp->ecdev && tp->cur_tx - dirty_tx > NUM_TX_DESC) {
+		pr_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();
+		if (!tp->ecdev) 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))
+		pr_debug("%s: Ethernet frame had errors, status %8.8x.\n",
+			dev->name, rx_status);
+	dev->stats.rx_errors++;
+	if (!(rx_status & RxStatusOK)) {
+		if (rx_status & RxTooLong) {
+			pr_debug("%s: Oversized Ethernet frame, status %4.4x!\n",
+			 	dev->name, rx_status);
+			/* A.C.: The chip hangs here. */
+		}
+		if (rx_status & (RxBadSymbol | RxBadAlign))
+			dev->stats.rx_frame_errors++;
+		if (rx_status & (RxRunt | RxTooLong))
+			dev->stats.rx_length_errors++;
+		if (rx_status & RxCRCErr)
+			dev->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)
+		pr_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)
+		pr_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;
+
+	pr_debug("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) {
+		skb_copy_to_linear_data(skb, ring + offset, left);
+		skb_copy_to_linear_data_offset(skb, left, ring, size - left);
+	} else
+		skb_copy_to_linear_data(skb, 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->dev->stats.rx_errors++;
+			if (status & RxFIFOOver)
+				tp->dev->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;
+
+	pr_debug("%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 ((tp->ecdev || 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 (*(__le32 *) (rx_ring + ring_offset));
+		rx_size = rx_status >> 16;
+		pkt_size = rx_size - 4;
+
+		if (!tp->ecdev) {
+			if (netif_msg_rx_status(tp))
+				pr_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;
+			pr_debug("%s: Frame contents ", dev->name);
+			for (i = 0; i < 70; i++)
+				pr_cont(" %2.2x",
+					rx_ring[ring_offset + i]);
+			pr_cont(".\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)) {
+				pr_debug("%s: hung FIFO. Reset.", dev->name);
+				rx_size = 0;
+				goto no_early_rx;
+			}
+			if (netif_msg_intr(tp)) {
+				pr_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;
+		}
+
+		if (tp->ecdev) {
+			ecdev_receive(tp->ecdev,
+					&rx_ring[ring_offset + 4], pkt_size);
+					dev->last_rx = jiffies;
+					dev->stats.rx_bytes += pkt_size;
+					dev->stats.rx_packets++;
+		} else {
+			/* Malloc up new buffer, compatible with net-2e. */
+			/* Omit the four octet CRC from the length. */
+
+			skb = netdev_alloc_skb(dev, pkt_size + NET_IP_ALIGN);
+			if (likely(skb)) {
+				skb_reserve (skb, NET_IP_ALIGN);	/* 16 byte align the IP fields. */
+#if RX_BUF_IDX == 3
+				wrap_copy(skb, rx_ring, ring_offset+4, pkt_size);
+#else
+				skb_copy_to_linear_data (skb, &rx_ring[ring_offset + 4], pkt_size);
+#endif
+				skb_put (skb, pkt_size);
+
+				skb->protocol = eth_type_trans (skb, dev);
+
+				dev->stats.rx_bytes += pkt_size;
+				dev->stats.rx_packets++;
+
+				netif_receive_skb (skb);
+			} else {
+				if (net_ratelimit())
+					pr_warning("%s: Memory squeeze, dropping packet.\n",
+						dev->name);
+				dev->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);
+
+	pr_debug("%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));
+
+	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)
+{
+	pr_debug("%s: Abnormal interrupt, status %8.8x.\n",
+		 dev->name, status);
+
+	assert (dev != NULL);
+	assert (tp != NULL);
+	assert (ioaddr != NULL);
+
+	/* Update the error count. */
+	dev->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))
+		dev->stats.rx_errors++;
+
+	if (status & PCSTimeout)
+		dev->stats.rx_length_errors++;
+	if (status & RxUnderrun)
+		dev->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);
+
+		pr_err("%s: PCI Bus error %4.4x.\n",
+			dev->name, pci_cmd_status);
+	}
+}
+
+static int rtl8139_poll(struct napi_struct *napi, int budget)
+{
+	struct rtl8139_private *tp = container_of(napi, struct rtl8139_private, napi);
+	struct net_device *dev = tp->dev;
+	void __iomem *ioaddr = tp->mmio_addr;
+	int work_done;
+
+	spin_lock(&tp->rx_lock);
+	work_done = 0;
+	if (likely(RTL_R16(IntrStatus) & RxAckBits))
+		work_done += rtl8139_rx(dev, tp, budget);
+
+	if (work_done < budget) {
+		unsigned long flags;
+		/*
+		 * Order is important since data can get interrupted
+		 * again when we think we are done.
+		 */
+		spin_lock_irqsave(&tp->lock, flags);
+		__napi_complete(napi);
+		RTL_W16_F(IntrMask, rtl8139_intr_mask);
+		spin_unlock_irqrestore(&tp->lock, flags);
+	}
+	spin_unlock(&tp->rx_lock);
+
+	return work_done;
+}
+
+void ec_poll(struct net_device *dev)
+{
+    rtl8139_interrupt(0, dev);
+}
+
+/* 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 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;
+
+	if (tp->ecdev) {
+		status = RTL_R16 (IntrStatus);
+	}
+	else {
+		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;
+
+	if (!tp->ecdev) {
+		/* 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 (tp->ecdev) {
+			/* EtherCAT device: Just receive all frames */
+			rtl8139_rx(dev, tp, 100); // FIXME
+		} else {
+			/* Mark for polling */
+			if (napi_schedule_prep(&tp->napi)) {
+				RTL_W16_F (IntrMask, rtl8139_norx_intr_mask);
+				__napi_schedule(&tp->napi);
+			}
+		}
+	}
+
+	/* 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:
+	if (!tp->ecdev) spin_unlock (&tp->lock);
+
+	pr_debug("%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);
+	enable_irq(dev->irq);
+}
+#endif
+
+static int rtl8139_set_mac_address(struct net_device *dev, void *p)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->mmio_addr;
+	struct sockaddr *addr = p;
+
+	if (!is_valid_ether_addr(addr->sa_data))
+		return -EADDRNOTAVAIL;
+
+	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+
+	spin_lock_irq(&tp->lock);
+
+	RTL_W8_F(Cfg9346, Cfg9346_Unlock);
+	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)));
+	RTL_W8_F(Cfg9346, Cfg9346_Lock);
+
+	spin_unlock_irq(&tp->lock);
+
+	return 0;
+}
+
+static int rtl8139_close (struct net_device *dev)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->mmio_addr;
+	unsigned long flags;
+
+	if (tp->ecdev) {
+		/* 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. */
+		dev->stats.rx_missed_errors += RTL_R32 (RxMissed);
+		RTL_W32 (RxMissed, 0);
+	} else {
+		netif_stop_queue(dev);
+		napi_disable(&tp->napi);
+
+		if (netif_msg_ifdown(tp))
+			pr_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. */
+		dev->stats.rx_missed_errors += RTL_R32 (RxMissed);
+		RTL_W32 (RxMissed, 0);
+
+		spin_unlock_irqrestore (&tp->lock, flags);
+
+		free_irq (dev->irq, dev);
+	}
+
+	rtl8139_tx_clear (tp);
+
+	dma_free_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN,
+			  tp->rx_ring, tp->rx_ring_dma);
+	dma_free_coherent(&tp->pci_dev->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 *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->mmio_addr;
+
+	spin_lock_irq(&tp->lock);
+	if (rtl_chip_info[tp->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(&tp->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 *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->mmio_addr;
+	u32 support;
+	u8 cfg3, cfg5;
+
+	support = ((rtl_chip_info[tp->chipset].flags & HasLWake)
+		   ? (WAKE_PHY | WAKE_MAGIC
+		      | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST)
+		   : 0);
+	if (wol->wolopts & ~support)
+		return -EINVAL;
+
+	spin_lock_irq(&tp->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(&tp->lock);
+
+	return 0;
+}
+
+static void rtl8139_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	strcpy(info->driver, DRV_NAME);
+	strcpy(info->version, DRV_VERSION);
+	strcpy(info->bus_info, pci_name(tp->pci_dev));
+	info->regdump_len = tp->regs_len;
+}
+
+static int rtl8139_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	spin_lock_irq(&tp->lock);
+	mii_ethtool_gset(&tp->mii, cmd);
+	spin_unlock_irq(&tp->lock);
+	return 0;
+}
+
+static int rtl8139_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	int rc;
+	spin_lock_irq(&tp->lock);
+	rc = mii_ethtool_sset(&tp->mii, cmd);
+	spin_unlock_irq(&tp->lock);
+	return rc;
+}
+
+static int rtl8139_nway_reset(struct net_device *dev)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	return mii_nway_restart(&tp->mii);
+}
+
+static u32 rtl8139_get_link(struct net_device *dev)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	return mii_link_ok(&tp->mii);
+}
+
+static u32 rtl8139_get_msglevel(struct net_device *dev)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	return tp->msg_enable;
+}
+
+static void rtl8139_set_msglevel(struct net_device *dev, u32 datum)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	tp->msg_enable = datum;
+}
+
+static int rtl8139_get_regs_len(struct net_device *dev)
+{
+	struct rtl8139_private *tp;
+	/* TODO: we are too slack to do reg dumping for pio, for now */
+	if (use_io)
+		return 0;
+	tp = netdev_priv(dev);
+	return tp->regs_len;
+}
+
+static void rtl8139_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf)
+{
+	struct rtl8139_private *tp;
+
+	/* TODO: we are too slack to do reg dumping for pio, for now */
+	if (use_io)
+		return;
+	tp = netdev_priv(dev);
+
+	regs->version = RTL_REGS_VER;
+
+	spin_lock_irq(&tp->lock);
+	memcpy_fromio(regbuf, tp->mmio_addr, regs->len);
+	spin_unlock_irq(&tp->lock);
+}
+
+static int rtl8139_get_sset_count(struct net_device *dev, int sset)
+{
+	switch (sset) {
+	case ETH_SS_STATS:
+		return RTL_NUM_STATS;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static void rtl8139_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+
+	data[0] = tp->xstats.early_rx;
+	data[1] = tp->xstats.tx_buf_mapped;
+	data[2] = tp->xstats.tx_timeouts;
+	data[3] = tp->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 const 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_sset_count		= rtl8139_get_sset_count,
+	.get_ethtool_stats	= rtl8139_get_ethtool_stats,
+};
+
+static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	int rc;
+
+	if (tp->ecdev || !netif_running(dev))
+		return -EINVAL;
+
+	spin_lock_irq(&tp->lock);
+	rc = generic_mii_ioctl(&tp->mii, if_mii(rq), cmd, NULL);
+	spin_unlock_irq(&tp->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 (tp->ecdev || netif_running(dev)) {
+		spin_lock_irqsave (&tp->lock, flags);
+		dev->stats.rx_missed_errors += RTL_R32 (RxMissed);
+		RTL_W32 (RxMissed, 0);
+		spin_unlock_irqrestore (&tp->lock, flags);
+	}
+
+	return &dev->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 rx_mode;
+	u32 tmp;
+
+	pr_debug("%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) {
+		rx_mode =
+		    AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
+		    AcceptAllPhys;
+		mc_filter[1] = mc_filter[0] = 0xffffffff;
+	} else if ((netdev_mc_count(dev) > 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 netdev_hw_addr *ha;
+		rx_mode = AcceptBroadcast | AcceptMyPhys;
+		mc_filter[1] = mc_filter[0] = 0;
+		netdev_for_each_mc_addr(ha, dev) {
+			int bit_nr = ether_crc(ETH_ALEN, ha->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 (tp->ecdev || !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. */
+	dev->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);
+	struct rtl8139_private *tp = netdev_priv(dev);
+
+	pci_restore_state (pdev);
+	if (tp->ecdev || !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
+	pr_info(RTL8139_DRIVER_NAME "\n");
+#endif
+
+	return pci_register_driver(&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);
diff -r cceb9aacf4a6 -r 3417bbc4ad2f devices/8139too-2.6.35-orig.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devices/8139too-2.6.35-orig.c	Wed Mar 16 22:12:23 2011 +0100
@@ -0,0 +1,2619 @@
+/*
+
+	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 pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#define DRV_NAME	"8139too"
+#define DRV_VERSION	"0.9.28"
+
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/compiler.h>
+#include <linux/pci.h>
+#include <linux/init.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 <linux/io.h>
+#include <linux/uaccess.h>
+#include <linux/gfp.h>
+#include <asm/irq.h>
+
+#define RTL8139_DRIVER_NAME   DRV_NAME " Fast Ethernet driver " DRV_VERSION
+
+/* Default Message level */
+#define RTL8139_DEF_MSG_ENABLE   (NETIF_MSG_DRV   | \
+                                 NETIF_MSG_PROBE  | \
+                                 NETIF_MSG_LINK)
+
+
+/* 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
+
+
+#ifdef RTL8139_NDEBUG
+#  define assert(expr) do {} while (0)
+#else
+#  define assert(expr) \
+        if (unlikely(!(expr))) {				\
+		pr_err("Assertion failed! %s,%s,%s,line=%d\n",	\
+		       #expr, __FILE__, __func__, __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};
+
+/* Whether to use MMIO or PIO. Default to MMIO. */
+#ifdef CONFIG_8139TOO_PIO
+static int use_io = 1;
+#else
+static int use_io = 0;
+#endif
+
+/* 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 0	/* 8K 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 const struct {
+	const char *name;
+	u32 hw_flags;
+} board_info[] __devinitdata = {
+	{ "RealTek RTL8139", RTL8139_CAPS },
+	{ "RealTek RTL8129", RTL8129_CAPS },
+};
+
+
+static DEFINE_PCI_DEVICE_TABLE(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,
+	TimerInt	= 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,
+	FlashReg	= 0xD4,	/* Communication with Flash ROM, four bytes. */
+	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 Tx pkt CRC append */
+	TxClearAbt	= (1 << 0),	/* Clear abort (WO) */
+	TxDMAShift	= 8, /* DMA burst value (0-7) is shifted X many bits */
+	TxRetryShift	= 4, /* TXRR value (0-15) is shifted X 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 */
+static const 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),
+	  HasHltClk /* XXX undocumented? */
+	| 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 napi_struct	napi;
+	struct net_device	*dev;
+
+	unsigned char		*rx_ring;
+	unsigned int		cur_rx;	/* RX buf index of next pkt */
+	dma_addr_t		rx_ring_dma;
+
+	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		tx_bufs_dma;
+
+	signed char		phys[4];	/* MII device addresses. */
+
+				/* Twister tune state. */
+	char			twistie, twist_row, twist_col;
+
+	unsigned int		watchdog_fired : 1;
+	unsigned int		default_port : 4; /* Last dev->if_port value. */
+	unsigned int		have_thread : 1;
+
+	spinlock_t		lock;
+	spinlock_t		rx_lock;
+
+	chip_t			chipset;
+	u32			rx_config;
+	struct rtl_extra_stats	xstats;
+
+	struct delayed_work	thread;
+
+	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(use_io, int, 0);
+MODULE_PARM_DESC(use_io, "Force use of I/O access mode. 0=MMIO 1=PIO");
+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 rtl8139_private *tp);
+static void rtl8139_tx_timeout (struct net_device *dev);
+static void rtl8139_init_ring (struct net_device *dev);
+static netdev_tx_t rtl8139_start_xmit (struct sk_buff *skb,
+				       struct net_device *dev);
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void rtl8139_poll_controller(struct net_device *dev);
+#endif
+static int rtl8139_set_mac_address(struct net_device *dev, void *p);
+static int rtl8139_poll(struct napi_struct *napi, int budget);
+static irqreturn_t rtl8139_interrupt (int irq, void *dev_instance);
+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 void rtl8139_thread (struct work_struct *work);
+static void rtl8139_tx_timeout_task(struct work_struct *work);
+static const 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)
+
+/* 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))
+
+/* 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;
+
+	if (tp->mmio_addr)
+		pci_iounmap (pdev, tp->mmio_addr);
+
+	/* 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 __devinit struct net_device * rtl8139_init_board (struct pci_dev *pdev)
+{
+	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 and priv zeroed in alloc_etherdev */
+	dev = alloc_etherdev (sizeof (*tp));
+	if (dev == NULL) {
+		dev_err(&pdev->dev, "Unable to alloc new net device\n");
+		return ERR_PTR(-ENOMEM);
+	}
+	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 */
+	pr_debug("PIO region size == 0x%02lX\n", pio_len);
+	pr_debug("MMIO region size == 0x%02lX\n", mmio_len);
+
+retry:
+	if (use_io) {
+		/* make sure PCI base addr 0 is PIO */
+		if (!(pio_flags & IORESOURCE_IO)) {
+			dev_err(&pdev->dev, "region #0 not a PIO resource, aborting\n");
+			rc = -ENODEV;
+			goto err_out;
+		}
+		/* check for weird/broken PCI region reporting */
+		if (pio_len < RTL_MIN_IO_SIZE) {
+			dev_err(&pdev->dev, "Invalid PCI I/O region size(s), aborting\n");
+			rc = -ENODEV;
+			goto err_out;
+		}
+	} else {
+		/* make sure PCI base addr 1 is MMIO */
+		if (!(mmio_flags & IORESOURCE_MEM)) {
+			dev_err(&pdev->dev, "region #1 not an MMIO resource, aborting\n");
+			rc = -ENODEV;
+			goto err_out;
+		}
+		if (mmio_len < RTL_MIN_IO_SIZE) {
+			dev_err(&pdev->dev, "Invalid PCI mem region size(s), aborting\n");
+			rc = -ENODEV;
+			goto err_out;
+		}
+	}
+
+	rc = pci_request_regions (pdev, DRV_NAME);
+	if (rc)
+		goto err_out;
+	disable_dev_on_err = 1;
+
+	/* enable PCI bus-mastering */
+	pci_set_master (pdev);
+
+	if (use_io) {
+		ioaddr = pci_iomap(pdev, 0, 0);
+		if (!ioaddr) {
+			dev_err(&pdev->dev, "cannot map PIO, aborting\n");
+			rc = -EIO;
+			goto err_out;
+		}
+		dev->base_addr = pio_start;
+		tp->regs_len = pio_len;
+	} else {
+		/* ioremap MMIO region */
+		ioaddr = pci_iomap(pdev, 1, 0);
+		if (ioaddr == NULL) {
+			dev_err(&pdev->dev, "cannot remap MMIO, trying PIO\n");
+			pci_release_regions(pdev);
+			use_io = 1;
+			goto retry;
+		}
+		dev->base_addr = (long) ioaddr;
+		tp->regs_len = mmio_len;
+	}
+	tp->mmio_addr = ioaddr;
+
+	/* Bring old chips out of low-power mode. */
+	RTL_W8 (HltClk, 'R');
+
+	/* check for missing/broken hardware */
+	if (RTL_R32 (TxConfig) == 0xFFFFFFFF) {
+		dev_err(&pdev->dev, "Chip not responding, ignoring board\n");
+		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 */
+	i = 0;
+	dev_dbg(&pdev->dev, "unknown chip version, assuming RTL-8139\n");
+	dev_dbg(&pdev->dev, "TxConfig = 0x%lx\n", RTL_R32 (TxConfig));
+	tp->chipset = 0;
+
+match:
+	pr_debug("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);
+		pr_debug("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 {
+		pr_debug("Old chip wakeup\n");
+		tmp8 = RTL_R8 (Config1);
+		tmp8 &= ~(SLEEP | PWRDN);
+		RTL_W8 (Config1, tmp8);
+	}
+
+	rtl8139_chip_reset (ioaddr);
+
+	return dev;
+
+err_out:
+	__rtl8139_cleanup_dev (dev);
+	if (disable_dev_on_err)
+		pci_disable_device (pdev);
+	return ERR_PTR(rc);
+}
+
+static const struct net_device_ops rtl8139_netdev_ops = {
+	.ndo_open		= rtl8139_open,
+	.ndo_stop		= rtl8139_close,
+	.ndo_get_stats		= rtl8139_get_stats,
+	.ndo_change_mtu		= eth_change_mtu,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_set_mac_address 	= rtl8139_set_mac_address,
+	.ndo_start_xmit		= rtl8139_start_xmit,
+	.ndo_set_multicast_list	= rtl8139_set_rx_mode,
+	.ndo_do_ioctl		= netdev_ioctl,
+	.ndo_tx_timeout		= rtl8139_tx_timeout,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	.ndo_poll_controller	= rtl8139_poll_controller,
+#endif
+};
+
+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;
+
+	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++)
+			pr_info(RTL8139_DRIVER_NAME "\n");
+	}
+#endif
+
+	if (pdev->vendor == PCI_VENDOR_ID_REALTEK &&
+	    pdev->device == PCI_DEVICE_ID_REALTEK_8139 && pdev->revision >= 0x20) {
+		dev_info(&pdev->dev,
+			   "This (id %04x:%04x rev %02x) is an enhanced 8139C+ chip, use 8139cp\n",
+		       	   pdev->vendor, pdev->device, pdev->revision);
+		return -ENODEV;
+	}
+
+	if (pdev->vendor == PCI_VENDOR_ID_REALTEK &&
+	    pdev->device == PCI_DEVICE_ID_REALTEK_8139 &&
+	    pdev->subsystem_vendor == PCI_VENDOR_ID_ATHEROS &&
+	    pdev->subsystem_device == PCI_DEVICE_ID_REALTEK_8139) {
+		pr_info("OQO Model 2 detected. Forcing PIO\n");
+		use_io = 1;
+	}
+
+	dev = rtl8139_init_board (pdev);
+	if (IS_ERR(dev))
+		return PTR_ERR(dev);
+
+	assert (dev != NULL);
+	tp = netdev_priv(dev);
+	tp->dev = dev;
+
+	ioaddr = tp->mmio_addr;
+	assert (ioaddr != NULL);
+
+	addr_len = read_eeprom (ioaddr, 0, 8) == 0x8129 ? 8 : 6;
+	for (i = 0; i < 3; i++)
+		((__le16 *) (dev->dev_addr))[i] =
+		    cpu_to_le16(read_eeprom (ioaddr, i + 7, addr_len));
+	memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
+
+	/* The Rtl8139-specific entries in the device structure. */
+	dev->netdev_ops = &rtl8139_netdev_ops;
+	dev->ethtool_ops = &rtl8139_ethtool_ops;
+	dev->watchdog_timeo = TX_TIMEOUT;
+	netif_napi_add(dev, &tp->napi, rtl8139_poll, 64);
+
+	/* 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_DELAYED_WORK(&tp->thread, rtl8139_thread);
+	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 */
+	pr_debug("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);
+
+	netdev_info(dev, "%s at 0x%lx, %pM, IRQ %d\n",
+		    board_info[ent->driver_data].name,
+		    dev->base_addr, dev->dev_addr, dev->irq);
+
+	netdev_dbg(dev, "Identified 8139 chip type '%s'\n",
+		   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;
+				netdev_info(dev, "MII transceiver %d status 0x%04x advertising %04x\n",
+					    phy, mii_status, advertising);
+			}
+		}
+		if (phy_idx == 0) {
+			netdev_info(dev, "No MII transceivers found! Assuming SYM transceiver\n");
+			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) {
+		netdev_info(dev, "Media type forced to Full Duplex\n");
+		/* Changing the MII-advertised media because might prevent
+		   re-connection. */
+		tp->mii.force_media = 1;
+	}
+	if (tp->default_port) {
+		netdev_info(dev, "  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);
+
+	flush_scheduled_work();
+
+	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()	(void)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 const 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, IRQF_SHARED, dev->name, dev);
+	if (retval)
+		return retval;
+
+	tp->tx_bufs = dma_alloc_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN,
+					   &tp->tx_bufs_dma, GFP_KERNEL);
+	tp->rx_ring = dma_alloc_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN,
+					   &tp->rx_ring_dma, GFP_KERNEL);
+	if (tp->tx_bufs == NULL || tp->rx_ring == NULL) {
+		free_irq(dev->irq, dev);
+
+		if (tp->tx_bufs)
+			dma_free_coherent(&tp->pci_dev->dev, TX_BUF_TOT_LEN,
+					    tp->tx_bufs, tp->tx_bufs_dma);
+		if (tp->rx_ring)
+			dma_free_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN,
+					    tp->rx_ring, tp->rx_ring_dma);
+
+		return -ENOMEM;
+
+	}
+
+	napi_enable(&tp->napi);
+
+	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);
+
+	netif_dbg(tp, ifup, dev,
+		  "%s() ioaddr %#llx IRQ %d GP Pins %02x %s-duplex\n",
+		  __func__,
+		  (unsigned long long)pci_resource_start (tp->pci_dev, 1),
+		  dev->irq, RTL_R8 (MediaStatus),
+		  tp->mii.full_duplex ? "full" : "half");
+
+	rtl8139_start_thread(tp);
+
+	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, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0)));
+	RTL_W32_F (MAC0 + 4, le16_to_cpu (*(__le16 *) (dev->dev_addr + 4)));
+
+	tp->cur_rx = 0;
+
+	/* init Rx ring buffer DMA address */
+	RTL_W32_F (RxBuf, tp->rx_ring_dma);
+
+	/* 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);
+
+	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);
+	}
+
+	netdev_dbg(dev, "init buffer addresses\n");
+
+	/* Lock Config[01234] and BMCR register writes */
+	RTL_W8 (Cfg9346, Cfg9346_Lock);
+
+	/* 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) {
+				netdev_info(dev, "Setting %s-duplex based on MII #%d link partner ability of %04x\n",
+					    tp->mii.full_duplex ? "full" : "half",
+					    tp->phys[0], mii_lpa);
+			} else {
+				netdev_info(dev, "media is unconnected, link down, or incompatible connection\n");
+			}
+#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);
+
+	netdev_dbg(dev, "Media selection tick, Link partner %04x\n",
+		   RTL_R16(NWayLPAR));
+	netdev_dbg(dev, "Other registers are IntMask %04x IntStatus %04x\n",
+		   RTL_R16(IntrMask), RTL_R16(IntrStatus));
+	netdev_dbg(dev, "Chip config %02x %02x\n",
+		   RTL_R8(Config0), RTL_R8(Config1));
+}
+
+static void rtl8139_thread (struct work_struct *work)
+{
+	struct rtl8139_private *tp =
+		container_of(work, struct rtl8139_private, thread.work);
+	struct net_device *dev = tp->mii.dev;
+	unsigned long thr_delay = next_tick;
+
+	rtnl_lock();
+
+	if (!netif_running(dev))
+		goto out_unlock;
+
+	if (tp->watchdog_fired) {
+		tp->watchdog_fired = 0;
+		rtl8139_tx_timeout_task(work);
+	} else
+		rtl8139_thread_iter(dev, tp, tp->mmio_addr);
+
+	if (tp->have_thread)
+		schedule_delayed_work(&tp->thread, thr_delay);
+out_unlock:
+	rtnl_unlock ();
+}
+
+static void rtl8139_start_thread(struct rtl8139_private *tp)
+{
+	tp->twistie = 0;
+	if (tp->chipset == CH_8139_K)
+		tp->twistie = 1;
+	else if (tp->drv_flags & HAS_LNK_CHNG)
+		return;
+
+	tp->have_thread = 1;
+	tp->watchdog_fired = 0;
+
+	schedule_delayed_work(&tp->thread, next_tick);
+}
+
+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_task (struct work_struct *work)
+{
+	struct rtl8139_private *tp =
+		container_of(work, struct rtl8139_private, thread.work);
+	struct net_device *dev = tp->mii.dev;
+	void __iomem *ioaddr = tp->mmio_addr;
+	int i;
+	u8 tmp8;
+
+	netdev_dbg(dev, "Transmit timeout, status %02x %04x %04x media %02x\n",
+		   RTL_R8(ChipCmd), RTL_R16(IntrStatus),
+		   RTL_R16(IntrMask), RTL_R8(MediaStatus));
+	/* Emit info to figure out what went wrong. */
+	netdev_dbg(dev, "Tx queue start entry %ld  dirty entry %ld\n",
+		   tp->cur_tx, tp->dirty_tx);
+	for (i = 0; i < NUM_TX_DESC; i++)
+		netdev_dbg(dev, "Tx descriptor %d is %08lx%s\n",
+			   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_bh(&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_irq(&tp->lock);
+	rtl8139_tx_clear (tp);
+	spin_unlock_irq(&tp->lock);
+
+	/* ...and finally, reset everything */
+	if (netif_running(dev)) {
+		rtl8139_hw_start (dev);
+		netif_wake_queue (dev);
+	}
+	spin_unlock_bh(&tp->rx_lock);
+}
+
+static void rtl8139_tx_timeout (struct net_device *dev)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+
+	tp->watchdog_fired = 1;
+	if (!tp->have_thread) {
+		INIT_DELAYED_WORK(&tp->thread, rtl8139_thread);
+		schedule_delayed_work(&tp->thread, next_tick);
+	}
+}
+
+static netdev_tx_t 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;
+	unsigned long flags;
+
+	/* 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);
+		dev->stats.tx_dropped++;
+		return NETDEV_TX_OK;
+	}
+
+	spin_lock_irqsave(&tp->lock, flags);
+	/*
+	 * Writing to TxStatus triggers a DMA transfer of the data
+	 * copied to tp->tx_buf[entry] above. Use a memory barrier
+	 * to make sure that the device sees the updated data.
+	 */
+	wmb();
+	RTL_W32_F (TxStatus0 + (entry * sizeof (u32)),
+		   tp->tx_flag | max(len, (unsigned int)ETH_ZLEN));
+
+	tp->cur_tx++;
+
+	if ((tp->cur_tx - NUM_TX_DESC) == tp->dirty_tx)
+		netif_stop_queue (dev);
+	spin_unlock_irqrestore(&tp->lock, flags);
+
+	netif_dbg(tp, tx_queued, dev, "Queued Tx packet size %u to slot %d\n",
+		  len, entry);
+
+	return NETDEV_TX_OK;
+}
+
+
+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. */
+			netif_dbg(tp, tx_err, dev, "Transmit error, Tx status %08x\n",
+				  txstatus);
+			dev->stats.tx_errors++;
+			if (txstatus & TxAborted) {
+				dev->stats.tx_aborted_errors++;
+				RTL_W32 (TxConfig, TxClearAbt);
+				RTL_W16 (IntrStatus, TxErr);
+				wmb();
+			}
+			if (txstatus & TxCarrierLost)
+				dev->stats.tx_carrier_errors++;
+			if (txstatus & TxOutOfWindow)
+				dev->stats.tx_window_errors++;
+		} else {
+			if (txstatus & TxUnderrun) {
+				/* Add 64 to the Tx FIFO threshold. */
+				if (tp->tx_flag < 0x00300000)
+					tp->tx_flag += 0x00020000;
+				dev->stats.tx_fifo_errors++;
+			}
+			dev->stats.collisions += (txstatus >> 24) & 15;
+			dev->stats.tx_bytes += txstatus & 0x7ff;
+			dev->stats.tx_packets++;
+		}
+
+		dirty_tx++;
+		tx_left--;
+	}
+
+#ifndef RTL8139_NDEBUG
+	if (tp->cur_tx - dirty_tx > NUM_TX_DESC) {
+		netdev_err(dev, "Out-of-sync dirty pointer, %ld vs. %ld\n",
+			   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
+
+	netif_dbg(tp, rx_err, dev, "Ethernet frame had errors, status %08x\n",
+		  rx_status);
+	dev->stats.rx_errors++;
+	if (!(rx_status & RxStatusOK)) {
+		if (rx_status & RxTooLong) {
+			netdev_dbg(dev, "Oversized Ethernet frame, status %04x!\n",
+				   rx_status);
+			/* A.C.: The chip hangs here. */
+		}
+		if (rx_status & (RxBadSymbol | RxBadAlign))
+			dev->stats.rx_frame_errors++;
+		if (rx_status & (RxRunt | RxTooLong))
+			dev->stats.rx_length_errors++;
+		if (rx_status & RxCRCErr)
+			dev->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)
+		netdev_warn(dev, "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)
+		netdev_warn(dev, "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;
+
+	netdev_dbg(dev, "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) {
+		skb_copy_to_linear_data(skb, ring + offset, left);
+		skb_copy_to_linear_data_offset(skb, left, ring, size - left);
+	} else
+		skb_copy_to_linear_data(skb, 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->dev->stats.rx_errors++;
+			if (status & RxFIFOOver)
+				tp->dev->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;
+
+	netdev_dbg(dev, "In %s(), current %04x BufAddr %04x, free to %04x, Cmd %02x\n",
+		   __func__, (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 (*(__le32 *) (rx_ring + ring_offset));
+		rx_size = rx_status >> 16;
+		pkt_size = rx_size - 4;
+
+		netif_dbg(tp, rx_status, dev, "%s() status %04x, size %04x, cur %04x\n",
+			  __func__, rx_status, rx_size, cur_rx);
+#if RTL8139_DEBUG > 2
+		print_hex_dump(KERN_DEBUG, "Frame contents: ",
+			       DUMP_PREFIX_OFFSET, 16, 1,
+			       &rx_ring[ring_offset], 70, true);
+#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)) {
+				netdev_dbg(dev, "hung FIFO. Reset\n");
+				rx_size = 0;
+				goto no_early_rx;
+			}
+			netif_dbg(tp, intr, dev, "fifo copy in progress\n");
+			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 = netdev_alloc_skb_ip_align(dev, pkt_size);
+		if (likely(skb)) {
+#if RX_BUF_IDX == 3
+			wrap_copy(skb, rx_ring, ring_offset+4, pkt_size);
+#else
+			skb_copy_to_linear_data (skb, &rx_ring[ring_offset + 4], pkt_size);
+#endif
+			skb_put (skb, pkt_size);
+
+			skb->protocol = eth_type_trans (skb, dev);
+
+			dev->stats.rx_bytes += pkt_size;
+			dev->stats.rx_packets++;
+
+			netif_receive_skb (skb);
+		} else {
+			if (net_ratelimit())
+				netdev_warn(dev, "Memory squeeze, dropping packet\n");
+			dev->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);
+
+	netdev_dbg(dev, "Done %s(), current %04x BufAddr %04x, free to %04x, Cmd %02x\n",
+		   __func__, cur_rx,
+		   RTL_R16(RxBufAddr), RTL_R16(RxBufPtr), RTL_R8(ChipCmd));
+
+	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)
+{
+	netdev_dbg(dev, "Abnormal interrupt, status %08x\n", status);
+
+	assert (dev != NULL);
+	assert (tp != NULL);
+	assert (ioaddr != NULL);
+
+	/* Update the error count. */
+	dev->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))
+		dev->stats.rx_errors++;
+
+	if (status & PCSTimeout)
+		dev->stats.rx_length_errors++;
+	if (status & RxUnderrun)
+		dev->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);
+
+		netdev_err(dev, "PCI Bus error %04x\n", pci_cmd_status);
+	}
+}
+
+static int rtl8139_poll(struct napi_struct *napi, int budget)
+{
+	struct rtl8139_private *tp = container_of(napi, struct rtl8139_private, napi);
+	struct net_device *dev = tp->dev;
+	void __iomem *ioaddr = tp->mmio_addr;
+	int work_done;
+
+	spin_lock(&tp->rx_lock);
+	work_done = 0;
+	if (likely(RTL_R16(IntrStatus) & RxAckBits))
+		work_done += rtl8139_rx(dev, tp, budget);
+
+	if (work_done < budget) {
+		unsigned long flags;
+		/*
+		 * Order is important since data can get interrupted
+		 * again when we think we are done.
+		 */
+		spin_lock_irqsave(&tp->lock, flags);
+		__napi_complete(napi);
+		RTL_W16_F(IntrMask, rtl8139_intr_mask);
+		spin_unlock_irqrestore(&tp->lock, flags);
+	}
+	spin_unlock(&tp->rx_lock);
+
+	return work_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 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 (napi_schedule_prep(&tp->napi)) {
+			RTL_W16_F (IntrMask, rtl8139_norx_intr_mask);
+			__napi_schedule(&tp->napi);
+		}
+	}
+
+	/* 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);
+
+	netdev_dbg(dev, "exiting interrupt, intr_status=%#4.4x\n",
+		   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);
+	enable_irq(dev->irq);
+}
+#endif
+
+static int rtl8139_set_mac_address(struct net_device *dev, void *p)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->mmio_addr;
+	struct sockaddr *addr = p;
+
+	if (!is_valid_ether_addr(addr->sa_data))
+		return -EADDRNOTAVAIL;
+
+	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+
+	spin_lock_irq(&tp->lock);
+
+	RTL_W8_F(Cfg9346, Cfg9346_Unlock);
+	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)));
+	RTL_W8_F(Cfg9346, Cfg9346_Lock);
+
+	spin_unlock_irq(&tp->lock);
+
+	return 0;
+}
+
+static int rtl8139_close (struct net_device *dev)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->mmio_addr;
+	unsigned long flags;
+
+	netif_stop_queue(dev);
+	napi_disable(&tp->napi);
+
+	netif_dbg(tp, ifdown, dev, "Shutting down ethercard, status was 0x%04x\n",
+		  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. */
+	dev->stats.rx_missed_errors += RTL_R32 (RxMissed);
+	RTL_W32 (RxMissed, 0);
+
+	spin_unlock_irqrestore (&tp->lock, flags);
+
+	free_irq (dev->irq, dev);
+
+	rtl8139_tx_clear (tp);
+
+	dma_free_coherent(&tp->pci_dev->dev, RX_BUF_TOT_LEN,
+			  tp->rx_ring, tp->rx_ring_dma);
+	dma_free_coherent(&tp->pci_dev->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 *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->mmio_addr;
+
+	spin_lock_irq(&tp->lock);
+	if (rtl_chip_info[tp->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(&tp->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 *tp = netdev_priv(dev);
+	void __iomem *ioaddr = tp->mmio_addr;
+	u32 support;
+	u8 cfg3, cfg5;
+
+	support = ((rtl_chip_info[tp->chipset].flags & HasLWake)
+		   ? (WAKE_PHY | WAKE_MAGIC
+		      | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST)
+		   : 0);
+	if (wol->wolopts & ~support)
+		return -EINVAL;
+
+	spin_lock_irq(&tp->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(&tp->lock);
+
+	return 0;
+}
+
+static void rtl8139_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	strcpy(info->driver, DRV_NAME);
+	strcpy(info->version, DRV_VERSION);
+	strcpy(info->bus_info, pci_name(tp->pci_dev));
+	info->regdump_len = tp->regs_len;
+}
+
+static int rtl8139_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	spin_lock_irq(&tp->lock);
+	mii_ethtool_gset(&tp->mii, cmd);
+	spin_unlock_irq(&tp->lock);
+	return 0;
+}
+
+static int rtl8139_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	int rc;
+	spin_lock_irq(&tp->lock);
+	rc = mii_ethtool_sset(&tp->mii, cmd);
+	spin_unlock_irq(&tp->lock);
+	return rc;
+}
+
+static int rtl8139_nway_reset(struct net_device *dev)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	return mii_nway_restart(&tp->mii);
+}
+
+static u32 rtl8139_get_link(struct net_device *dev)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	return mii_link_ok(&tp->mii);
+}
+
+static u32 rtl8139_get_msglevel(struct net_device *dev)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	return tp->msg_enable;
+}
+
+static void rtl8139_set_msglevel(struct net_device *dev, u32 datum)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	tp->msg_enable = datum;
+}
+
+static int rtl8139_get_regs_len(struct net_device *dev)
+{
+	struct rtl8139_private *tp;
+	/* TODO: we are too slack to do reg dumping for pio, for now */
+	if (use_io)
+		return 0;
+	tp = netdev_priv(dev);
+	return tp->regs_len;
+}
+
+static void rtl8139_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf)
+{
+	struct rtl8139_private *tp;
+
+	/* TODO: we are too slack to do reg dumping for pio, for now */
+	if (use_io)
+		return;
+	tp = netdev_priv(dev);
+
+	regs->version = RTL_REGS_VER;
+
+	spin_lock_irq(&tp->lock);
+	memcpy_fromio(regbuf, tp->mmio_addr, regs->len);
+	spin_unlock_irq(&tp->lock);
+}
+
+static int rtl8139_get_sset_count(struct net_device *dev, int sset)
+{
+	switch (sset) {
+	case ETH_SS_STATS:
+		return RTL_NUM_STATS;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static void rtl8139_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+
+	data[0] = tp->xstats.early_rx;
+	data[1] = tp->xstats.tx_buf_mapped;
+	data[2] = tp->xstats.tx_timeouts;
+	data[3] = tp->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 const 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_sset_count		= rtl8139_get_sset_count,
+	.get_ethtool_stats	= rtl8139_get_ethtool_stats,
+};
+
+static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+	struct rtl8139_private *tp = netdev_priv(dev);
+	int rc;
+
+	if (!netif_running(dev))
+		return -EINVAL;
+
+	spin_lock_irq(&tp->lock);
+	rc = generic_mii_ioctl(&tp->mii, if_mii(rq), cmd, NULL);
+	spin_unlock_irq(&tp->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);
+		dev->stats.rx_missed_errors += RTL_R32 (RxMissed);
+		RTL_W32 (RxMissed, 0);
+		spin_unlock_irqrestore (&tp->lock, flags);
+	}
+
+	return &dev->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 rx_mode;
+	u32 tmp;
+
+	netdev_dbg(dev, "rtl8139_set_rx_mode(%04x) done -- Rx config %08lx\n",
+		   dev->flags, RTL_R32(RxConfig));
+
+	/* Note: do not reorder, GCC is clever about common statements. */
+	if (dev->flags & IFF_PROMISC) {
+		rx_mode =
+		    AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
+		    AcceptAllPhys;
+		mc_filter[1] = mc_filter[0] = 0xffffffff;
+	} else if ((netdev_mc_count(dev) > 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 netdev_hw_addr *ha;
+		rx_mode = AcceptBroadcast | AcceptMyPhys;
+		mc_filter[1] = mc_filter[0] = 0;
+		netdev_for_each_mc_addr(ha, dev) {
+			int bit_nr = ether_crc(ETH_ALEN, ha->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. */
+	dev->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
+	pr_info(RTL8139_DRIVER_NAME "\n");
+#endif
+
+	return pci_register_driver(&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);
diff -r cceb9aacf4a6 -r 3417bbc4ad2f devices/Makefile.am
--- a/devices/Makefile.am	Thu Mar 03 09:05:40 2011 +0100
+++ b/devices/Makefile.am	Wed Mar 16 22:12:23 2011 +0100
@@ -65,6 +65,8 @@
 	8139too-2.6.33-orig.c \
 	8139too-2.6.34-ethercat.c \
 	8139too-2.6.34-orig.c \
+	8139too-2.6.35-ethercat.c \
+	8139too-2.6.35-orig.c \
 	e100-2.6.20-ethercat.c \
 	e100-2.6.20-orig.c \
 	e100-2.6.24-ethercat.c \
diff -r cceb9aacf4a6 -r 3417bbc4ad2f examples/Kbuild.in
--- a/examples/Kbuild.in	Thu Mar 03 09:05:40 2011 +0100
+++ b/examples/Kbuild.in	Wed Mar 16 22:12:23 2011 +0100
@@ -35,4 +35,5 @@
 	obj-m += tty/
 endif
 
+
 #------------------------------------------------------------------------------
diff -r cceb9aacf4a6 -r 3417bbc4ad2f examples/Makefile.am
--- a/examples/Makefile.am	Thu Mar 03 09:05:40 2011 +0100
+++ b/examples/Makefile.am	Wed Mar 16 22:12:23 2011 +0100
@@ -40,12 +40,18 @@
 	tty
 endif
 
+if ENABLE_RTDM
+SUBDIRS += \
+	xenomai
+endif
+
 DIST_SUBDIRS = \
 	dc_rtai \
 	dc_user \
 	mini \
 	rtai \
 	tty \
+	xenomai \
 	user
 
 EXTRA_DIST = \
diff -r cceb9aacf4a6 -r 3417bbc4ad2f examples/xenomai/Makefile.am
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/xenomai/Makefile.am	Wed Mar 16 22:12:23 2011 +0100
@@ -0,0 +1,39 @@
+#------------------------------------------------------------------------------
+#
+#  $Id$
+#
+#  Copyright (C) 2006-2008  Florian Pose, Ingenieurgemeinschaft IgH
+#
+#  This file is part of the IgH EtherCAT Master.
+#
+#  The IgH EtherCAT Master is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 2, as
+#  published by the Free Software Foundation.
+#
+#  The IgH EtherCAT Master is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+#  Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along with
+#  the IgH EtherCAT Master; if not, write to the Free Software Foundation,
+#  Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+#  ---
+#  
+#  The license mentioned above concerns the source code only. Using the
+#  EtherCAT technology and brand is only permitted in compliance with the
+#  industrial property and similar rights of Beckhoff Automation GmbH.
+#
+#------------------------------------------------------------------------------
+
+
+AM_CFLAGS = -Wall
+
+noinst_PROGRAMS = ec_xenomai_example
+
+ec_xenomai_example_SOURCES = main.c
+ec_xenomai_example_CFLAGS = -I/opt/etherlab/xenomai/include -D_GNU_SOURCE -D_REENTRANT -Wall -pipe -D__XENO__ -I$(top_srcdir)/include
+ec_xenomai_example_LDFLAGS = -lrtdm -L$(top_builddir)/lib/.libs -lethercat -lnative -L/opt/etherlab/xenomai/lib -lxenomai -lpthread
+
+#------------------------------------------------------------------------------
diff -r cceb9aacf4a6 -r 3417bbc4ad2f examples/xenomai/main.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/xenomai/main.c	Wed Mar 16 22:12:23 2011 +0100
@@ -0,0 +1,918 @@
+/******************************************************************************
+ *
+ *  $Id$
+ *
+ *  usermdtest.c	Copyright (C) 2009-2010  Moehwald GmbH B.Benner
+ *                                2011       IgH Andreas Stewering-Bone
+ *
+ *  This file is part of ethercatrtdm interface to IgH EtherCAT master 
+ *  
+ *  The Moehwald ethercatrtdm interface is free software; you can
+ *  redistribute it and/or modify it under the terms of the GNU Lesser General
+ *  Public License as published by the Free Software Foundation; version 2.1
+ *  of the License.
+ *
+ *  The IgH EtherCAT Master is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License version 2, as
+ *  published by the Free Software Foundation.
+ *
+ *  The IgH EtherCAT master userspace library is distributed in the hope that
+ *  it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ *  warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with the IgH EtherCAT master userspace library. If not, see
+ *  <http://www.gnu.org/licenses/>.
+ *  
+ *  The license mentioned above concerns the source code only. Using the
+ *  EtherCAT technology and brand is only permitted in compliance with the
+ *  industrial property and similar rights of Beckhoff Automation GmbH.
+ *
+ *****************************************************************************/
+
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/resource.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <rtdm/rtdm.h>
+#include <native/task.h>
+#include <native/sem.h>
+#include <native/mutex.h>
+#include <native/timer.h>
+#include <pthread.h>
+
+/****************************************************************************/
+
+#include "../../include/ecrt.h"
+#include "../../include/ec_rtdm.h"
+
+
+RT_TASK my_task;
+
+int rt_fd = -1;
+int run=0;
+
+struct timeval tv;
+unsigned int sync_ref_counter = 0;
+
+CstructMstrAttach MstrAttach;
+
+/****************************************************************************/
+
+// Application parameters
+#define FREQUENCY 1000
+#define PRIORITY 1
+
+// Optional features
+#define CONFIGURE_PDOS  1
+//#define SDO_ACCESS      1
+
+/****************************************************************************/
+
+// EtherCAT
+static ec_master_t *master = NULL;
+static ec_master_state_t master_state = {};
+
+static ec_domain_t *domain1 = NULL;
+static ec_domain_state_t domain1_state = {};
+
+//static ec_slave_config_t *sc_ana_in = NULL;
+//static ec_slave_config_state_t sc_ana_in_state = {};
+
+// Timer
+static unsigned int sig_alarms = 0;
+//static unsigned int user_alarms = 0;
+
+/****************************************************************************/
+static uint8_t *domain1_pd = NULL;
+
+// process data
+
+#define BusCoupler01_Pos    0, 0
+#define DigOutSlave01_Pos   0, 1
+#define DigOutSlave02_Pos   0, 2
+#define DigInSlave01_Pos    0, 3
+#define AnaOutSlave01_Pos   0, 4
+#define AnaInSlave01_Pos    0, 5
+#define BusCoupler02_Pos    0, 6
+#define AnaInSlave02_Pos    0, 7
+
+
+
+#define Beckhoff_EK1100 0x00000002, 0x044c2c52
+#define Beckhoff_EL1014 0x00000002, 0x03f63052
+#define Beckhoff_EL2004 0x00000002, 0x07d43052
+#define Beckhoff_EL4132 0x00000002, 0x10243052
+#define Beckhoff_EL3102 0x00000002, 0x0c1e3052
+#define Beckhoff_EL4102 0x00000002, 0x10063052
+#define Beckhoff_EL6731 0x00000002, 0x1a4b3052
+#define Beckhoff_EL6600 0x00000002, 0x19c93052
+#define Beckhoff_EL3602 0x00000002, 0x0e123052
+#define Beckhoff_EL5151 0x00000002, 0x141f3052
+
+
+// offsets for PDO entries
+static unsigned int off_dig_out0      = 0;
+static unsigned int off_dig_out1      = 0;
+static unsigned int off_dig_out2      = 0;
+static unsigned int off_dig_out3      = 0;
+static unsigned int off_dig_out4      = 0;
+static unsigned int off_dig_out5      = 0;
+static unsigned int off_dig_out6      = 0;
+static unsigned int off_dig_out7      = 0;
+static unsigned int off_dig_in0       = 0;
+static unsigned int off_dig_in1       = 0;
+static unsigned int off_dig_in2       = 0;
+static unsigned int off_dig_in3       = 0;
+static unsigned int off_ana_out0      = 0;
+static unsigned int off_ana_out1      = 0;
+static unsigned int off_ana_in0_status = 0;
+static unsigned int off_ana_in0_value  = 0;
+static unsigned int off_ana_in1_status = 0;
+static unsigned int off_ana_in1_value  = 0;
+static unsigned int off_ana_in2_status = 0;
+static unsigned int off_ana_in2_value  = 0;
+static unsigned int off_ana_in3_status = 0;
+static unsigned int off_ana_in3_value  = 0;
+
+//static unsigned int off_dp_slave;
+
+// process data
+unsigned int bit_position0=0; /* Pointer to a variable to store a bit */
+unsigned int bit_position1=0; /* Pointer to a variable to store a bit */
+unsigned int bit_position2=0; /* Pointer to a variable to store a bit */
+unsigned int bit_position3=0; /* Pointer to a variable to store a bit */
+
+const static ec_pdo_entry_reg_t domain1_regs[] = {
+   {DigOutSlave01_Pos, Beckhoff_EL2004, 0x7000, 0x01, &off_dig_out0, &bit_position0},
+   {DigOutSlave01_Pos, Beckhoff_EL2004, 0x7010, 0x01, &off_dig_out1, &bit_position1},
+   {DigOutSlave01_Pos, Beckhoff_EL2004, 0x7020, 0x01, &off_dig_out2, &bit_position2},
+   {DigOutSlave01_Pos, Beckhoff_EL2004, 0x7030, 0x01, &off_dig_out3, &bit_position3},
+   {DigInSlave01_Pos,  Beckhoff_EL1014, 0x6000, 0x01, &off_dig_in0},
+   {AnaOutSlave01_Pos, Beckhoff_EL4132, 0x3001, 0x01, &off_ana_out0},
+   {AnaOutSlave01_Pos, Beckhoff_EL4132, 0x3002, 0x01, &off_ana_out1},
+   {AnaInSlave01_Pos,  Beckhoff_EL3102, 0x3101, 0x01, &off_ana_in0_status},
+   {AnaInSlave01_Pos,  Beckhoff_EL3102, 0x3101, 0x02, &off_ana_in0_value},
+   {AnaInSlave01_Pos,  Beckhoff_EL3102, 0x3102, 0x01, &off_ana_in1_status},
+   {AnaInSlave01_Pos,  Beckhoff_EL3102, 0x3102, 0x02, &off_ana_in1_value},
+   {}
+};
+
+char rt_dev_file[64];
+static unsigned int counter = 0;
+static unsigned int blink = 0;
+
+static ec_slave_config_t *sc_dig_out_01 = NULL;
+
+static ec_slave_config_t *sc_dig_out_02 = NULL;
+
+static ec_slave_config_t *sc_dig_in_01 = NULL;
+
+static ec_slave_config_t *sc_ana_out_01 = NULL;
+
+static ec_slave_config_t *sc_ana_in_01 = NULL;
+
+static ec_slave_config_t *sc_dpslv_01 = NULL;
+
+static ec_slave_config_t *sc_ana_in_02 = NULL;
+
+/*****************************************************************************/
+
+/* Slave 1, "EL2004"
+ * Vendor ID:       0x00000002
+ * Product code:    0x07d43052
+ * Revision number: 0x00100000
+ */
+
+ec_pdo_entry_info_t slave_1_pdo_entries[] = {
+   {0x7000, 0x01, 1}, /* Output */
+   {0x7010, 0x01, 1}, /* Output */
+   {0x7020, 0x01, 1}, /* Output */
+   {0x7030, 0x01, 1}, /* Output */
+};
+
+ec_pdo_info_t slave_1_pdos[] = {
+   {0x1600, 1, slave_1_pdo_entries + 0}, /* Channel 1 */
+   {0x1601, 1, slave_1_pdo_entries + 1}, /* Channel 2 */
+   {0x1602, 1, slave_1_pdo_entries + 2}, /* Channel 3 */
+   {0x1603, 1, slave_1_pdo_entries + 3}, /* Channel 4 */
+};
+
+ec_sync_info_t slave_1_syncs[] = {
+   {0, EC_DIR_OUTPUT, 4, slave_1_pdos + 0, EC_WD_ENABLE},
+   {0xff}
+};
+
+/* Slave 2, "EL2004"
+ * Vendor ID:       0x00000002
+ * Product code:    0x07d43052
+ * Revision number: 0x00100000
+ */
+
+ec_pdo_entry_info_t slave_2_pdo_entries[] = {
+   {0x7000, 0x01, 1}, /* Output */
+   {0x7010, 0x01, 1}, /* Output */
+   {0x7020, 0x01, 1}, /* Output */
+   {0x7030, 0x01, 1}, /* Output */
+};
+
+ec_pdo_info_t slave_2_pdos[] = {
+   {0x1600, 1, slave_2_pdo_entries + 0}, /* Channel 1 */
+   {0x1601, 1, slave_2_pdo_entries + 1}, /* Channel 2 */
+   {0x1602, 1, slave_2_pdo_entries + 2}, /* Channel 3 */
+   {0x1603, 1, slave_2_pdo_entries + 3}, /* Channel 4 */
+};
+
+ec_sync_info_t slave_2_syncs[] = {
+   {0, EC_DIR_OUTPUT, 4, slave_2_pdos + 0, EC_WD_ENABLE},
+   {0xff}
+};
+
+/* Slave 3, "EL1014"
+ * Vendor ID:       0x00000002
+ * Product code:    0x03f63052
+ * Revision number: 0x00100000
+ */
+
+ec_pdo_entry_info_t slave_3_pdo_entries[] = {
+   {0x6000, 0x01, 1}, /* Input */
+   {0x6010, 0x01, 1}, /* Input */
+   {0x6020, 0x01, 1}, /* Input */
+   {0x6030, 0x01, 1}, /* Input */
+};
+
+ec_pdo_info_t slave_3_pdos[] = {
+   {0x1a00, 1, slave_3_pdo_entries + 0}, /* Channel 1 */
+   {0x1a01, 1, slave_3_pdo_entries + 1}, /* Channel 2 */
+   {0x1a02, 1, slave_3_pdo_entries + 2}, /* Channel 3 */
+   {0x1a03, 1, slave_3_pdo_entries + 3}, /* Channel 4 */
+};
+
+ec_sync_info_t slave_3_syncs[] = {
+   {0, EC_DIR_INPUT, 4, slave_3_pdos + 0, EC_WD_DISABLE},
+   {0xff}
+};
+
+/* Slave 4, "EL4132"
+ * Vendor ID:       0x00000002
+ * Product code:    0x10243052
+ * Revision number: 0x03f90000
+ */
+
+ec_pdo_entry_info_t slave_4_pdo_entries[] = {
+   {0x3001, 0x01, 16}, /* Output */
+   {0x3002, 0x01, 16}, /* Output */
+};
+
+ec_pdo_info_t slave_4_pdos[] = {
+   {0x1600, 1, slave_4_pdo_entries + 0}, /* RxPDO 01 mapping */
+   {0x1601, 1, slave_4_pdo_entries + 1}, /* RxPDO 02 mapping */
+};
+
+ec_sync_info_t slave_4_syncs[] = {
+   {0, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
+   {1, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE},
+   {2, EC_DIR_OUTPUT, 2, slave_4_pdos + 0, EC_WD_DISABLE},
+   {3, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE},
+   {0xff}
+};
+
+/* Slave 5, "EL3102"
+ * Vendor ID:       0x00000002
+ * Product code:    0x0c1e3052
+ * Revision number: 0x00000000
+ */
+
+ec_pdo_entry_info_t slave_5_pdo_entries[] = {
+   {0x3101, 0x01, 8}, /* Status */
+   {0x3101, 0x02, 16}, /* Value */
+   {0x3102, 0x01, 8}, /* Status */
+   {0x3102, 0x02, 16}, /* Value */
+};
+
+ec_pdo_info_t slave_5_pdos[] = {
+   {0x1a00, 2, slave_5_pdo_entries + 0}, /* TxPDO 001 mapping */
+   {0x1a01, 2, slave_5_pdo_entries + 2}, /* TxPDO 002 mapping */
+};
+
+ec_sync_info_t slave_5_syncs[] = {
+   {0, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
+   {1, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE},
+   {2, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
+   {3, EC_DIR_INPUT, 2, slave_5_pdos + 0, EC_WD_DISABLE},
+   {0xff}
+};
+
+/* Slave 6, "EL6731-0010"
+ * Vendor ID:       0x00000002
+ * Product code:    0x1a4b3052
+ * Revision number: 0x0011000a
+ */
+
+ec_sync_info_t slave_6_syncs[] = {
+   {0, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
+   {1, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE},
+   {2, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
+   {3, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE},
+};
+
+
+/* Slave 7, "EL6601"
+ * Vendor ID:       0x00000002
+ * Product code:    0x19c93052
+ * Revision number: 0x00110000
+ */
+/*
+ec_sync_info_t slave_7_syncs[] = {
+   {0, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
+   {1, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE},
+   {2, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
+   {3, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE},
+   {0xff}
+};
+*/
+
+/* Master 0, Slave 7, "EL3602"
+ * Vendor ID:       0x00000002
+ * Product code:    0x0e123052
+ * Revision number: 0x00100000
+ */
+ec_pdo_entry_info_t slave_7_pdo_entries[] = {
+   {0x6000, 0x01, 1}, /* Underrange */
+   {0x6000, 0x02, 1}, /* Overrange */
+   {0x6000, 0x03, 2}, /* Limit 1 */
+   {0x6000, 0x05, 2}, /* Limit 2 */
+   {0x6000, 0x07, 1}, /* Error */
+   {0x0000, 0x00, 7}, /* Gap */
+   {0x1800, 0x07, 1},
+   {0x1800, 0x09, 1},
+   {0x6000, 0x11, 32}, /* Value */
+   {0x6010, 0x01, 1}, /* Underrange */
+   {0x6010, 0x02, 1}, /* Overrange */
+   {0x6010, 0x03, 2}, /* Limit 1 */
+   {0x6010, 0x05, 2}, /* Limit 2 */
+   {0x6010, 0x07, 1}, /* Error */
+   {0x0000, 0x00, 7}, /* Gap */
+   {0x1801, 0x07, 1},
+   {0x1801, 0x09, 1},
+   {0x6010, 0x11, 32}, /* Value */
+};
+
+ec_pdo_info_t slave_7_pdos[] = {
+   {0x1a00, 9, slave_7_pdo_entries + 0}, /* AI TxPDO-Map Inputs Ch.1 */
+   {0x1a01, 9, slave_7_pdo_entries + 9}, /* AI TxPDO-Map Inputs Ch.2 */
+};
+
+ec_sync_info_t slave_7_syncs[] = {
+   {0, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
+   {1, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE},
+   {2, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
+   {3, EC_DIR_INPUT, 2, slave_7_pdos + 0, EC_WD_DISABLE},
+   {0xff}
+};
+
+/* Master 0, Slave 8, "EL5151"
+ * Vendor ID:       0x00000002
+ * Product code:    0x141f3052
+ * Revision number: 0x00130000
+ */
+
+ec_pdo_entry_info_t slave_8_pdo_entries[] = {
+   {0x6000, 0x01, 1},
+   {0x6000, 0x02, 1},
+   {0x6000, 0x03, 1},
+   {0x0000, 0x00, 4}, /* Gap */
+   {0x6000, 0x08, 1},
+   {0x6000, 0x09, 1},
+   {0x6000, 0x0a, 1},
+   {0x6000, 0x0b, 1},
+   {0x0000, 0x00, 1}, /* Gap */
+   {0x6000, 0x0d, 1},
+   {0x1c32, 0x20, 1},
+   {0x0000, 0x00, 1}, /* Gap */
+   {0x1800, 0x09, 1},
+   {0x6000, 0x11, 32},
+   {0x6000, 0x12, 32},
+   {0x6000, 0x14, 32},
+};
+
+ec_pdo_info_t slave_8_pdos[] = {
+   {0x0000, 0, NULL},
+   {0x1a00, 15, slave_8_pdo_entries + 0},
+   {0x1a02, 1, slave_8_pdo_entries + 15},
+};
+
+ec_sync_info_t slave_8_syncs[] = {
+   {0, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE},
+   {1, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE},
+   {2, EC_DIR_OUTPUT, 1, slave_8_pdos + 0, EC_WD_DISABLE},
+   {3, EC_DIR_INPUT, 2, slave_8_pdos + 1, EC_WD_DISABLE},
+   {0xff}
+};
+
+
+/*****************************************************************************/
+
+#if SDO_ACCESS
+static ec_sdo_request_t *sdo;
+uint8_t *sdo_adr = NULL;
+#endif
+
+
+
+void rt_check_domain_state(void)
+{
+    ec_domain_state_t ds;
+    unsigned int printed=0;
+
+    if (rt_fd>=0)
+      {
+          ecrt_rtdm_domain_state(rt_fd,&ds);  
+      }
+
+/*    if (ds.working_counter != domain1_state.working_counter)
+     {
+        printf("Domain1: WC %u.\n", ds.working_counter);
+        printed=1;
+
+     }
+    if (ds.wc_state != domain1_state.wc_state)
+     {
+    	printf("Domain1: State %u.\n", ds.wc_state);
+        printed=1;
+
+     }
+    if (printed)
+    {
+    	int ret;
+
+        // return to realtime mode after print
+
+        ret = rt_task_set_mode(0, T_PRIMARY, NULL);
+        if (ret)
+         {
+            printf("error while rt_task_set_mode, code %d\n",ret);
+         }
+    }
+*/
+    domain1_state = ds;
+}
+
+void rt_check_master_state(void)
+{
+    ec_master_state_t ms;
+    unsigned int printed=0;
+
+    if (rt_fd>=0)
+      {
+          ecrt_rtdm_master_state(rt_fd,&ms);
+      }
+
+/*
+    if (ms.slaves_responding != master_state.slaves_responding)
+    {
+        printf("%u slave(s).\n", ms.slaves_responding);
+        printed=1;
+
+    }
+    if (ms.al_states != master_state.al_states)
+    {
+        printf("AL states: 0x%02X.\n", ms.al_states);
+        printed=1;
+
+    }
+    if (ms.link_up != master_state.link_up)
+    {
+        printf("Link is %s.\n", ms.link_up ? "up" : "down");
+        printed=1;
+
+    }
+    if (printed)
+    {
+    	int ret;
+
+        // return to realtime mode after print
+
+        ret = rt_task_set_mode(0, T_PRIMARY, NULL);
+        if (ret)
+         {
+            printf("error while rt_task_set_mode, code %d\n",ret);
+         }
+         }*/
+    master_state = ms;
+}
+
+void rt_receive()
+{
+
+	if (rt_fd>=0)
+	{
+		ecrt_rtdm_master_recieve(rt_fd);
+	}
+}
+
+void rt_send()
+{
+
+	if (rt_fd>=0)
+	{
+		ecrt_rtdm_master_send(rt_fd);
+	}
+}
+
+void rt_sync()
+{
+  RTIME now;
+  int ret;
+  now = rt_timer_read();
+  //now -= 946684800ULL * 1000000000ULL;
+
+  printf("Write Sync Time %i\n",now);
+  ret = rt_task_set_mode(0, T_PRIMARY, NULL);
+  if (ret)
+      {
+          printf("error while rt_task_set_mode, code %d\n",ret);
+      }
+
+  if (rt_fd>=0)
+  {
+      ecrt_rtdm_master_application_time(rt_fd, &now);
+  }
+
+  if (sync_ref_counter) {
+     sync_ref_counter--;
+  } else {
+     sync_ref_counter = 9;
+     if (rt_fd>=0)
+     {
+         ecrt_rtdm_master_sync_reference_clock(rt_fd);
+     }
+  }
+  if (rt_fd>=0)
+  {
+      ecrt_rtdm_master_sync_slave_clocks(rt_fd) ;
+  }
+}
+
+/*****************************************************************************/
+
+#if SDO_ACCESS
+void read_sdo(void)
+{
+  switch (ecrt_sdo_request_state(sdo))
+  {
+    case EC_REQUEST_UNUSED: // request was not used yet
+        ecrt_sdo_request_read(sdo); // trigger first read
+        break;
+    case EC_REQUEST_BUSY:
+        fprintf(stderr, "Still busy...\n");
+        break;
+    case EC_REQUEST_SUCCESS:
+        fprintf(stderr, "SDO value: 0x%04X\n",
+                EC_READ_U16(ecrt_sdo_request_data(sdo)));
+        ecrt_sdo_request_read(sdo); // trigger next read
+        break;
+    case EC_REQUEST_ERROR:
+        fprintf(stderr, "Failed to read SDO!\n");
+        ecrt_sdo_request_read(sdo); // retry reading
+        break;
+  }
+}
+
+void  PrintSDOState(void)
+{
+  switch (ecrt_sdo_request_state(sdo))
+  {
+    case EC_REQUEST_UNUSED: // request was not used yet
+      fprintf(stderr, "SDO State: EC_REQUEST_UNUSED\n"); // trigger first read
+      break;
+    case EC_REQUEST_BUSY:
+      fprintf(stderr, "SDO State: EC_REQUEST_BUSY\n");
+      break;
+    case EC_REQUEST_SUCCESS:
+      fprintf(stderr, "SDO State: EC_REQUEST_SUCCESS\n");
+      break;
+    case EC_REQUEST_ERROR:
+      fprintf(stderr, "SDO State: EC_REQUEST_ERROR\n");
+      break;
+    default:
+      fprintf(stderr, "SDO State: undefined\n");
+      break;
+  }
+}
+#endif
+
+
+static int cyccount=0;
+
+/****************************************************************************/
+
+void signal_handler(int signum) {
+    switch (signum) {
+        case SIGALRM:
+            sig_alarms++;
+            break;
+    }
+}
+
+
+/**********************************************************/
+/*            REAL TIME TASK                              */
+/**********************************************************/
+void my_task_proc(void *arg)
+{
+  int counter = 0;
+  int divcounter = 0;
+  int divider = 10;
+  int ret;
+
+  RTIME periodns;
+  float period;
+
+
+  period=1E-4;
+
+  
+  periodns=(RTIME)(((double)period * 1E9) + 0.4999999);
+  rt_task_set_periodic(NULL, TM_NOW, periodns);
+
+  run=1;
+
+  ret = rt_task_set_mode(0, T_PRIMARY, NULL);
+  if (ret) {
+      printf("error while rt_task_set_mode, code %d\n",ret);
+      return;
+  }
+  
+
+  while (run) {
+      rt_task_wait_period(NULL);
+      
+      counter++;
+      if (counter>600000) {
+          run=0;
+          return;
+      }
+      
+      // receive ethercat
+      rt_receive();
+      rt_check_domain_state();
+      
+      if (divcounter ==0)
+          {
+              divcounter=divider;
+              rt_check_master_state();
+          }
+      divcounter--;
+      if ((counter % 200)==0)
+          {
+              blink = !blink;
+              
+          }
+      
+
+      EC_WRITE_U8(domain1_pd + off_dig_out0, blink ? 0x0 : 0x0F);
+      EC_WRITE_U16(domain1_pd + off_ana_out0, blink ? 0x0: 0xfff);
+      
+      //sync DC
+      rt_sync();
+      
+      // send process data
+      rt_send();
+  }
+  
+}
+
+
+/**********************************************************/
+/*            CLEANING UP                                 */
+/**********************************************************/
+void cleanup_all(void)
+{
+    printf("delete my_task\n");
+    rt_task_delete(&my_task);
+    
+    if (rt_fd >= 0) {
+        printf("closing rt device %s\n", &rt_dev_file[0]);
+        rt_dev_close(rt_fd);
+        
+    }
+}
+/****************************************************************************/
+
+void catch_signal(int sig) {
+    cleanup_all();
+    printf("exit\n");
+    exit(0);
+    return;
+}
+
+
+/****************************************************************************/
+
+int main(int argc, char **argv)
+{
+    ec_slave_config_t *sc;
+
+    int rtstatus;
+
+    mlockall(MCL_CURRENT | MCL_FUTURE);
+
+    signal(SIGTERM, catch_signal);
+    signal(SIGINT, catch_signal);
+
+    MstrAttach.masterindex = 0;
+    
+    printf("request master\n");
+    master = ecrt_request_master(MstrAttach.masterindex);
+    if (!master)
+        return -1;
+    
+
+    domain1 = ecrt_master_create_domain(master);
+    if (!domain1)
+        return -1;
+    
+
+#ifdef CONFIGURE_PDOS
+
+    printf("Configuring PDOs...\n");
+    
+    printf("Get Configuring el2004...\n");
+    sc_dig_out_01 = ecrt_master_slave_config(master, DigOutSlave01_Pos, Beckhoff_EL2004);
+    if (!sc_dig_out_01) {
+        fprintf(stderr, "Failed to get slave configuration.\n");
+        return -1;
+    }
+
+    printf("Configuring EL2004...\n");
+    if (ecrt_slave_config_pdos(sc_dig_out_01, EC_END, slave_1_syncs))
+        {
+            fprintf(stderr, "Failed to configure PDOs.\n");
+            return -1;
+        }
+    
+    printf("Get Configuring el2004...\n");
+    sc_dig_out_02 = ecrt_master_slave_config(master, DigOutSlave02_Pos, Beckhoff_EL2004);
+    if (!sc_dig_out_02) {
+        fprintf(stderr, "Failed to get slave configuration.\n");
+        return -1;
+    }
+
+    printf("Configuring EL2004...\n");
+    if (ecrt_slave_config_pdos(sc_dig_out_02, EC_END, slave_2_syncs)) {
+        fprintf(stderr, "Failed to configure PDOs.\n");
+        return -1;
+    }
+    
+    printf("Get Configuring el1014...\n");
+    sc_dig_in_01 = ecrt_master_slave_config(master, DigInSlave01_Pos, Beckhoff_EL1014);
+    if (!sc_dig_in_01) {
+        fprintf(stderr, "Failed to get slave configuration.\n");
+        return -1;
+    }
+    
+    printf("Configuring EL1014...\n");
+    if (ecrt_slave_config_pdos(sc_dig_in_01, EC_END, slave_3_syncs)) {
+        fprintf(stderr, "Failed to configure PDOs.\n");
+        return -1;
+    }
+
+    printf("Get Configuring EL4132...\n");
+    sc_ana_out_01 = ecrt_master_slave_config(master, AnaOutSlave01_Pos, Beckhoff_EL4132);
+    if (!sc_ana_out_01) {
+        fprintf(stderr, "Failed to get slave configuration.\n");
+        return -1;
+    }
+
+    printf("Configuring EL4132...\n");
+    if (ecrt_slave_config_pdos(sc_ana_out_01, EC_END, slave_4_syncs)) {
+        fprintf(stderr, "Failed to configure PDOs.\n");
+        return -1;
+    }
+
+    printf("Get Configuring EL3102...\n");
+    sc_ana_in_01 = ecrt_master_slave_config(master, AnaInSlave01_Pos, Beckhoff_EL3102);
+    if (!sc_ana_in_01) {
+        fprintf(stderr, "Failed to get slave configuration.\n");
+        return -1;
+    }
+
+    printf("Configuring EL3102...\n");
+    if (ecrt_slave_config_pdos(sc_ana_in_01, EC_END, slave_5_syncs)) {
+        fprintf(stderr, "Failed to configure PDOs.\n");
+        return -1;
+    }
+
+    printf("Get Configuring EL3602...\n");
+	sc_ana_in_02 = ecrt_master_slave_config(master, AnaInSlave02_Pos, Beckhoff_EL3602);
+	if (!sc_ana_in_02) {
+        fprintf(stderr, "Failed to get slave configuration.\n");
+        return -1;
+	}
+    
+	// DP Slave Parameter Set
+
+/*	printf( "Creating SDO requests...\n");
+	if (!(sdo = ecrt_slave_config_create_sdo_request(sc_ana_in_02, 0x8000, 0x06, 1))) {
+        fprintf(stderr, "Failed to create SDO request.\n");
+        return -1;
+	}
+	ecrt_sdo_request_timeout(sdo, 500); // ms
+
+	EC_WRITE_U8(ecrt_sdo_request_data(sdo), 00);
+	PrintSDOState();
+	ecrt_sdo_request_write(sdo);
+	PrintSDOState();
+
+*/    
+	printf("Configuring EL3602...\n");
+	if (ecrt_slave_config_pdos(sc_ana_in_02, EC_END, slave_7_syncs)) {
+        fprintf(stderr, "Failed to configure PDOs.\n");
+        return -1;
+	}
+    
+#endif
+    
+    // Create configuration for bus coupler
+    sc = ecrt_master_slave_config(master, BusCoupler01_Pos, Beckhoff_EK1100);
+    if (!sc)
+        return -1;
+    
+#ifdef CONFIGURE_PDOS
+    if (ecrt_domain_reg_pdo_entry_list(domain1, domain1_regs)) {
+        fprintf(stderr, "PDO entry registration failed!\n");
+        return -1;
+    }
+#endif
+    
+
+    
+    sprintf(&rt_dev_file[0],"%s%u",EC_RTDM_DEV_FILE_NAME,0);
+    
+    
+    rt_fd = rt_dev_open( &rt_dev_file[0], 0);
+    if (rt_fd < 0) {
+        printf("can't open %s\n", &rt_dev_file[0]);
+        return -1;
+    }
+
+    MstrAttach.domainindex = ecrt_domain_index(domain1);
+    
+    // attach the master over rtdm driver
+    rtstatus=ecrt_rtdm_master_attach(rt_fd, &MstrAttach);
+    if (rtstatus < 0)
+      {
+        printf("cannot attach to master over rtdm\n");
+        return -1;
+      }
+
+    printf("Activating master...\n");
+    if (ecrt_master_activate(master))
+        return -1;
+
+    if (!(domain1_pd = ecrt_domain_data(domain1))) {
+        return -1;
+    }
+    fprintf(stderr, "domain1_pd:  0x%.6x\n", (unsigned int)domain1_pd);
+
+
+
+    int ret;
+    run=1;
+
+    ret = rt_task_create(&my_task,"my_task",0,80,T_FPU);
+
+    printf("starting my_task\n");
+    ret = rt_task_start(&my_task,&my_task_proc,NULL);
+
+
+    while (run)
+      {
+    	sched_yield();
+      }
+
+    rt_task_delete(&my_task);
+
+
+    if (rt_fd >= 0)
+     {
+        printf("closing rt device %s\n", &rt_dev_file[0]);
+
+        rt_dev_close(rt_fd);
+
+     }
+ 
+    printf("End of Program\n");
+    ecrt_release_master(master);
+
+    return 0;
+}
+
+/****************************************************************************/
diff -r cceb9aacf4a6 -r 3417bbc4ad2f include/Makefile.am
--- a/include/Makefile.am	Thu Mar 03 09:05:40 2011 +0100
+++ b/include/Makefile.am	Wed Mar 16 22:12:23 2011 +0100
@@ -33,6 +33,7 @@
 
 include_HEADERS = \
 	ecrt.h \
-	ectty.h
+	ectty.h \
+    ec_rtdm.h
 
 #------------------------------------------------------------------------------
diff -r cceb9aacf4a6 -r 3417bbc4ad2f include/ec_rtdm.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/ec_rtdm.h	Wed Mar 16 22:12:23 2011 +0100
@@ -0,0 +1,72 @@
+/******************************************************************************
+ *
+ *  $Id$
+ *
+ *  ec_rtdm.h	Copyright (C) 2009-2010  Moehwald GmbH B.Benner
+ *			                      2011       IgH Andreas Stewering-Bone
+ *
+ *  This file is used for Prisma RT to interface to EtherCAT devices
+ *								  
+ *  This file is part of ethercatrtdm interface to IgH EtherCAT master 
+ *  
+ *  The Moehwald ethercatrtdm interface is free software; you can
+ *  redistribute it and/or modify it under the terms of the GNU Lesser General
+ *  Public License as published by the Free Software Foundation; version 2.1
+ *  of the License.
+ *
+ *  The IgH EtherCAT master userspace library is distributed in the hope that
+ *  it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ *  warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with the IgH EtherCAT master userspace library. If not, see
+ *  <http://www.gnu.org/licenses/>.
+ *  
+ *  The license mentioned above concerns the source code only. Using the
+ *  EtherCAT technology and brand is only permitted in compliance with the
+ *  industrial property and similar rights of Beckhoff Automation GmbH.
+ *
+ *****************************************************************************/
+#ifndef __ECRT_RTDM_H
+#define __ECRT_RTDM_H
+
+
+//
+// Basefilename of RTDM device
+//
+#define EC_RTDM_DEV_FILE_NAME  "ec_rtdm"
+
+//
+// IOCTRL Values for RTDM_EXTENSION
+//
+// Realtime IOCTRL function
+#define EC_RTDM_MSTRATTACH       1   // attach to a running master
+#define EC_RTDM_MSTRGETMUTNAME   2   // return the mutexname
+#define EC_RTDM_MSTRRECEIVE      3   // call the master receive
+#define EC_RTDM_MSTRSEND         4   // call the master send
+#define EC_RTDM_DOMAINSTATE	     5   // get domain state
+#define EC_RTDM_MASTERSTATE	     6   // get master state
+#define EC_RTDM_MASTER_APP_TIME  7	
+#define EC_RTDM_SYNC_REF_CLOCK   8
+#define EC_RTDM_SYNC_SLAVE_CLOCK 9
+
+typedef struct _CstructMstrAttach
+{
+  unsigned int        domainindex;
+  unsigned int        masterindex;
+} CstructMstrAttach;
+
+
+#define ecrt_rtdm_master_attach(X,Y)             rt_dev_ioctl(X, EC_RTDM_MSTRATTACH, Y)
+#define ecrt_rtdm_master_recieve(X)              rt_dev_ioctl(X, EC_RTDM_MSTRRECEIVE)
+#define ecrt_rtdm_master_send(X)                 rt_dev_ioctl(X, EC_RTDM_MSTRSEND)
+#define ecrt_rtdm_domain_state(X,Y)              rt_dev_ioctl(X, EC_RTDM_DOMAINSTATE, Y)
+#define ecrt_rtdm_master_state(X,Y)              rt_dev_ioctl(X, EC_RTDM_MASTERSTATE, Y)
+#define ecrt_rtdm_master_application_time(X,Y)   rt_dev_ioctl(X, EC_RTDM_MASTER_APP_TIME, Y)
+#define ecrt_rtdm_master_sync_reference_clock(X) rt_dev_ioctl(X, EC_RTDM_SYNC_REF_CLOCK)
+#define ecrt_rtdm_master_sync_slave_clocks(X)    rt_dev_ioctl(X, EC_RTDM_SYNC_SLAVE_CLOCK);
+
+#endif
+
+
diff -r cceb9aacf4a6 -r 3417bbc4ad2f include/ecrt.h
--- a/include/ecrt.h	Thu Mar 03 09:05:40 2011 +0100
+++ b/include/ecrt.h	Wed Mar 16 22:12:23 2011 +0100
@@ -455,6 +455,23 @@
         ec_master_t *master /**< EtherCAT master */
         );
 
+
+#ifdef __KERNEL__
+/** Attach to a running master
+ *   
+ * This function returns the master handle for the RTDM-Interface
+ *
+ * \return Pointer to the opened master, otherwise \a NULL.
+ */
+ec_master_t *ecrt_attach_master(
+       unsigned int master_index /**< Index of the master to request. */
+       );
+
+#endif // #ifdef __KERNEL__
+
+
+
+
 /******************************************************************************
  * Master methods
  *****************************************************************************/
@@ -500,8 +517,38 @@
                        */
         );
 
+
+/** Returns domain structure pointer
+ *
+ * This functions return the domain structure pointer for usage inside the
+ * RTDM-Interface.
+ *
+ * \return Pointer to the domain on success, else NULL.
+ */
+ec_domain_t *ecrt_master_find_domain(
+        ec_master_t *master, 
+        unsigned int index);
+
+
 #endif /* __KERNEL__ */
 
+
+#ifndef __KERNEL__
+/** Return the domain index of a given domain strucure
+ *
+ * Return the domain index of a given domain strucure. Usage inside of the
+ * RTDM Interface
+ *
+ * \return Index of the domain strucure
+ *
+ */
+ unsigned int ecrt_domain_index(
+         ec_domain_t *domain
+         );
+
+#endif // #ifndef __KERNEL__
+
+
 /** Creates a new process data domain.
  *
  * For process data exchange, at least one process data domain is needed.
@@ -515,6 +562,7 @@
         ec_master_t *master /**< EtherCAT master. */
         );
 
+
 /** Obtains a slave configuration.
  *
  * Creates a slave configuration object for the given \a alias and \a position
diff -r cceb9aacf4a6 -r 3417bbc4ad2f lib/domain.c
--- a/lib/domain.c	Thu Mar 03 09:05:40 2011 +0100
+++ b/lib/domain.c	Wed Mar 16 22:12:23 2011 +0100
@@ -52,6 +52,13 @@
     // nothing to do
 }
 
+
+/*****************************************************************************/
+unsigned int ecrt_domain_index(ec_domain_t *domain)
+{
+    return domain->index;
+}
+
 /*****************************************************************************/
 
 int ecrt_domain_reg_pdo_entry_list(ec_domain_t *domain,
diff -r cceb9aacf4a6 -r 3417bbc4ad2f master/master.c
--- a/master/master.c	Thu Mar 03 09:05:40 2011 +0100
+++ b/master/master.c	Wed Mar 16 22:12:23 2011 +0100
@@ -1636,6 +1636,20 @@
     EC_FIND_DOMAIN;
 }
 
+/** Wrapper Function for external usage
+ *
+ * \return Domain pointer, or \a NULL if not found.
+ */
+ec_domain_t *ecrt_master_find_domain(
+        ec_master_t *master, /**< EtherCAT master. */
+        unsigned int index /**< Domain index. */
+        )
+{
+    return ec_master_find_domain(
+        master,
+        index);
+}
+
 /** Get a domain via its position in the list.
  *
  * Const version.
@@ -2535,7 +2549,7 @@
 EXPORT_SYMBOL(ecrt_master_write_idn);
 EXPORT_SYMBOL(ecrt_master_read_idn);
 EXPORT_SYMBOL(ecrt_master_reset);
-
+EXPORT_SYMBOL(ecrt_master_find_domain);
 /** \endcond */
 
 /*****************************************************************************/
diff -r cceb9aacf4a6 -r 3417bbc4ad2f master/module.c
--- a/master/module.c	Thu Mar 03 09:05:40 2011 +0100
+++ b/master/module.c	Wed Mar 16 22:12:23 2011 +0100
@@ -611,6 +611,37 @@
     return ECRT_VERSION_MAGIC;
 }
 
+
+
+/** Return pointer to running master
+/*****************************************************************************/
+ec_master_t *ecrt_attach_master(unsigned int master_index)
+{
+    ec_master_t *master = NULL;
+
+    EC_INFO("Requesting master %u...\n", master_index);
+
+    if (master_index >= master_count) {
+        EC_ERR("Invalid master index %u.\n", master_index);
+        return master;
+    }
+
+    master = &masters[master_index];
+    if (master->reserved) 
+      {
+       // ok master is attached
+        EC_INFO("attaching Master %u!\n", master_index);
+      }
+    else
+      {
+        EC_ERR("No Master %u in use!\n", master_index);
+        master = NULL;
+    }
+    return master;
+}
+
+
+
 /*****************************************************************************/
 
 /** Global request state type translation table.
@@ -637,6 +668,7 @@
 EXPORT_SYMBOL(ecrt_request_master);
 EXPORT_SYMBOL(ecrt_release_master);
 EXPORT_SYMBOL(ecrt_version_magic);
+EXPORT_SYMBOL(ecrt_attach_master);
 
 /** \endcond */
 
diff -r cceb9aacf4a6 -r 3417bbc4ad2f rtdm/Kbuild.in
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rtdm/Kbuild.in	Wed Mar 16 22:12:23 2011 +0100
@@ -0,0 +1,56 @@
+#------------------------------------------------------------------------------
+#
+#  $Id$
+#
+#  Copyright (C) 2006-2008  Florian Pose, Ingenieurgemeinschaft IgH
+#
+#  This file is part of the IgH EtherCAT Master.
+#
+#  The IgH EtherCAT Master is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 2, as
+#  published by the Free Software Foundation.
+#
+#  The IgH EtherCAT Master is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+#  Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with the IgH EtherCAT Master; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+#  ---
+#  
+#  The license mentioned above concerns the source code only. Using the EtherCAT
+#  technology and brand is only permitted in compliance with the industrial
+#  property and similar rights of Beckhoff Automation GmbH.
+#
+#  ---
+#
+#  vi: syntax=make
+#
+#------------------------------------------------------------------------------
+
+obj-m := ec_rtdm.o
+
+ec_rtdm-objs := \
+        module.o
+
+
+### Xenomai directory, xeno-config and library directory ###########
+XENO_DIR          := @XENOMAI_DIR@
+XENO_CONFIG       := $(XENO_DIR)/bin/xeno-config
+XENO_LIB_DIR      := $(shell $(XENO_CONFIG) --library-dir)
+
+REV := $(shell if test -s $(src)/../revision; then \
+		cat $(src)/../revision; \
+	else \
+		hg id -i $(src)/.. 2>/dev/null || echo "unknown"; \
+	fi)
+
+CFLAGS_module.o := -DREV=$(REV) -I$(XENO_DIR)/include 
+
+KBUILD_EXTRA_SYMBOLS := \
+        @abs_top_builddir@/$(LINUX_SYMVERS) \
+        @abs_top_builddir@/master/$(LINUX_SYMVERS)
+#------------------------------------------------------------------------------
diff -r cceb9aacf4a6 -r 3417bbc4ad2f rtdm/Makefile.am
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rtdm/Makefile.am	Wed Mar 16 22:12:23 2011 +0100
@@ -0,0 +1,51 @@
+#------------------------------------------------------------------------------
+#
+#  $Id$
+#
+#  Copyright (C) 2006-2008  Florian Pose, Ingenieurgemeinschaft IgH
+#
+#  This file is part of the IgH EtherCAT Master.
+#
+#  The IgH EtherCAT Master is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License version 2, as
+#  published by the Free Software Foundation.
+#
+#  The IgH EtherCAT Master is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+#  Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with the IgH EtherCAT Master; if not, write to the Free Software
+#  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+#
+#  ---
+#  
+#  The license mentioned above concerns the source code only. Using the
+#  EtherCAT technology and brand is only permitted in compliance with the
+#  industrial property and similar rights of Beckhoff Automation GmbH.
+#
+#------------------------------------------------------------------------------
+
+
+# using HEADERS to enable tags target
+noinst_HEADERS = \
+	module.c
+
+EXTRA_DIST = \
+	Kbuild.in
+
+BUILT_SOURCES = \
+	Kbuild
+
+modules:
+	$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_srcdir@" modules
+
+modules_install:
+	$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_srcdir@" \
+		INSTALL_MOD_DIR="$(INSTALL_MOD_DIR)" modules_install
+
+clean-local:
+	$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_srcdir@" clean
+
+#------------------------------------------------------------------------------
diff -r cceb9aacf4a6 -r 3417bbc4ad2f rtdm/module.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rtdm/module.c	Wed Mar 16 22:12:23 2011 +0100
@@ -0,0 +1,719 @@
+/******************************************************************************
+ *
+ *  $Id$
+ *
+ *  ec_rtdm.c	Copyright (C) 2009-2010  Moehwald GmbH B.Benner
+ *                            2011       IgH Andreas Stewering-Bone
+ *								  
+ *  This file is used for Prisma RT to interface to EtherCAT devices
+ *								  
+ *  This file is part of ethercatrtdm interface to IgH EtherCAT master 
+ *  
+ *  The Moehwald ec_rtdm interface is free software; you can
+ *  redistribute it and/or modify it under the terms of the GNU Lesser General
+ *  Public License as published by the Free Software Foundation; version 2.1
+ *  of the License.
+ *
+ *  The IgH EtherCAT master userspace library is distributed in the hope that
+ *  it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ *  warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with the IgH EtherCAT master userspace library. If not, see
+ *  <http://www.gnu.org/licenses/>.
+ *  
+ *  The license mentioned above concerns the source code only. Using the
+ *  EtherCAT technology and brand is only permitted in compliance with the
+ *  industrial property and similar rights of Beckhoff Automation GmbH.
+ *
+ *****************************************************************************/
+
+#include <linux/module.h>
+#include <linux/mman.h>
+#include <rtdm/rtdm_driver.h>
+#include <native/task.h>
+#include <native/sem.h>
+#include <native/mutex.h>
+#include <native/timer.h>
+
+#include "../include/ecrt.h"
+#include "../include/ec_rtdm.h"
+
+#define EC_RTDM_MAX_MASTERS 5 /**< Maximum number of masters. */
+
+#define EC_RTDM_GINFO(fmt, args...) \
+    printk(KERN_INFO "EtherCATrtdm: " fmt,  ##args)
+
+#define EC_RTDM_GERR(fmt, args...) \
+    printk(KERN_ERR "EtherCATrtdm ERROR: " fmt, ##args)
+
+#define EC_RTDM_GWARN(fmt, args...) \
+    printk(KERN_WARNING "EtherCATrtdm WARNING: " fmt, ##args)
+
+
+#define EC_RTDM_INFO(devno, fmt, args...) \
+    printk(KERN_INFO "EtherCATrtdm %u: " fmt, devno, ##args)
+
+#define EC_RTDM_ERR(devno, fmt, args...) \
+    printk(KERN_ERR "EtherCATrtdm %u ERROR: " fmt, devno, ##args)
+
+#define EC_RTDM_WARN(devno, fmt, args...) \
+    printk(KERN_WARNING "EtherCATrtdm %u WARNING: " fmt, devno, ##args)
+
+
+
+
+typedef struct _EC_RTDM_DRV_STRUCT {
+    unsigned int	    isattached;
+    ec_master_t *	    master;
+    ec_domain_t *	    domain;				   
+    RT_MUTEX                masterlock;
+    unsigned int	    sendcnt;
+    unsigned int	    reccnt;
+    unsigned int	    sendcntlv;
+    unsigned int	    reccntlv;
+    char                    mutexname[64];
+    unsigned int            masterno;
+} EC_RTDM_DRV_STRUCT;
+
+
+static EC_RTDM_DRV_STRUCT ec_rtdm_masterintf[EC_RTDM_MAX_MASTERS];
+
+
+/* import from ethercat */
+ec_master_t *ecrt_attach_master(unsigned int master_index /**< Index of the master to request. */
+        );
+
+// driver context struct: used for storing various information
+typedef struct _EC_RTDM_DRV_CONTEXT {
+    int                       dev_id;
+    EC_RTDM_DRV_STRUCT*  pdrvstruc;
+} EC_RTDM_DRV_CONTEXT;
+
+
+
+/**********************************************************/
+/*            Utilities                                   */
+/**********************************************************/
+
+static int _atoi(const char* text)
+{
+  char  b;
+  int wd=-1;
+  int nfak=1;
+
+  wd=0;
+
+  while ((*text==' ') || (*text=='\t')) text++;
+  if (*text=='-') 
+    {
+      nfak=-1;
+	  text++;
+    }
+  if (*text=='+') 
+    {
+      text++;
+    }
+  while (*text!=0)
+    {
+ 	  b = *text;
+
+	  if ( (b>='0') && (b<='9') )
+		{
+		   b=b-'0';
+		   wd=wd*10+b;
+		}
+	  text++;
+	}
+  return (nfak*wd);
+}
+
+
+/**********************************************************/
+/*            DRIVER sendcallback                         */
+/**********************************************************/
+void send_callback(void *cb_data)
+{
+    EC_RTDM_DRV_STRUCT * pdrvstruc;
+    
+    pdrvstruc = (EC_RTDM_DRV_STRUCT*)cb_data;
+    if (pdrvstruc->master)
+        {
+            rt_mutex_acquire(&pdrvstruc->masterlock,TM_INFINITE);
+            ecrt_master_send_ext(pdrvstruc->master);
+            rt_mutex_release(&pdrvstruc->masterlock);
+      }
+}
+
+/*****************************************************************************/
+
+void receive_callback(void *cb_data)
+{
+    EC_RTDM_DRV_STRUCT * pdrvstruc;
+
+    pdrvstruc = (EC_RTDM_DRV_STRUCT*)cb_data;
+    if (pdrvstruc->master)
+      {
+          rt_mutex_acquire(&pdrvstruc->masterlock,TM_INFINITE);
+          ecrt_master_receive(pdrvstruc->master);
+          rt_mutex_release(&pdrvstruc->masterlock);      
+    }
+}
+
+void receive_process(EC_RTDM_DRV_STRUCT * pdrvstruc)
+{
+    if (pdrvstruc->master)
+        {
+            rt_mutex_acquire(&pdrvstruc->masterlock,TM_INFINITE);
+            ecrt_master_receive(pdrvstruc->master);
+            ecrt_domain_process(pdrvstruc->domain);
+            pdrvstruc->reccnt++;
+            rt_mutex_release(&pdrvstruc->masterlock);
+      }
+}
+
+void send_process(EC_RTDM_DRV_STRUCT * pdrvstruc)
+{
+  if (pdrvstruc->master)
+      {
+         rt_mutex_acquire(&pdrvstruc->masterlock,TM_INFINITE);
+         ecrt_domain_queue(pdrvstruc->domain);
+         ecrt_master_send(pdrvstruc->master);
+         pdrvstruc->sendcnt++;
+         rt_mutex_release(&pdrvstruc->masterlock);
+      }
+}  
+
+void detach_master(EC_RTDM_DRV_STRUCT * pdrvstruc)
+{
+
+  if (pdrvstruc->isattached)
+      {
+          EC_RTDM_INFO(pdrvstruc->masterno,"reseting callbacks!\n");
+          ecrt_master_callbacks(pdrvstruc->master,NULL,NULL,NULL);
+          EC_RTDM_INFO(pdrvstruc->masterno,"deleting mutex!\n");
+          rt_mutex_delete(&pdrvstruc->masterlock);
+          pdrvstruc->master = NULL;
+          pdrvstruc->isattached=0;
+          EC_RTDM_INFO(pdrvstruc->masterno,"master detach done!\n");
+      }
+}
+
+
+
+
+/**********************************************************/
+/*            DRIVER OPEN                                 */
+/**********************************************************/
+int ec_rtdm_open_rt(struct rtdm_dev_context    *context,
+                 rtdm_user_info_t           *user_info,
+                 int                        oflags)
+{
+    EC_RTDM_DRV_CONTEXT* my_context;
+    EC_RTDM_DRV_STRUCT * pdrvstruc;
+    const char * p;
+    int dev_no;
+    unsigned int namelen;
+
+    //int ret;
+    int dev_id;
+
+    // get the context for our driver - used to store driver info
+    my_context = (EC_RTDM_DRV_CONTEXT*)context->dev_private;
+
+    dev_no = -1;
+    namelen   = strlen(context->device->driver_name);
+    p = &context->device->driver_name[namelen-1];
+    if (p!=&context->device->driver_name[0])
+      {
+	  while ((*p>='0') && (*p<='9')) 
+	    {
+	       p--;
+	       if (p==&context->device->driver_name[0]) break;
+   	    }
+	  dev_no=_atoi(p);
+	  if  ((dev_no!=-1) && (dev_no<EC_RTDM_MAX_MASTERS))
+	    { 
+		dev_id    = context->device->device_id;
+    		pdrvstruc = (EC_RTDM_DRV_STRUCT*)&ec_rtdm_masterintf[dev_no];
+
+    		my_context->dev_id         = dev_id;
+    		my_context->pdrvstruc      = pdrvstruc;
+		 
+    		// enable interrupt in RTDM
+    		return 0;	
+	    }	
+      }
+   EC_RTDM_GERR("open - Cannot detect master device no\n");
+   return -EFAULT;
+}
+
+/**********************************************************/
+/*            DRIVER CLOSE                                */
+/**********************************************************/
+int ec_rtdm_close_rt(struct rtdm_dev_context   *context,
+                  rtdm_user_info_t          *user_info)
+{
+    EC_RTDM_DRV_CONTEXT* my_context;
+    EC_RTDM_DRV_STRUCT * pdrvstruc;
+
+    // get the context
+    my_context = (EC_RTDM_DRV_CONTEXT*)context->dev_private;
+
+    pdrvstruc =  my_context->pdrvstruc;
+    EC_RTDM_INFO(pdrvstruc->masterno,"close called!\n");
+    detach_master(pdrvstruc);
+    return 0;
+	
+}
+
+/**********************************************************/
+/*            DRIVER IOCTL                                */
+/**********************************************************/
+int ec_rtdm_ioctl_rt(struct rtdm_dev_context   *context,
+                  rtdm_user_info_t          *user_info,
+                  int                       request,
+                  void                      *arg)
+{
+    EC_RTDM_DRV_CONTEXT* my_context;
+    EC_RTDM_DRV_STRUCT * pdrvstruc;
+    int ret;
+    unsigned int l_ioctlvalue[]={0,0,0,0,0,0,0,0};
+    ec_domain_state_t ds;
+    ec_master_state_t ms;
+    uint64_t app_time;
+
+
+    ret = 0;
+
+    // get the context
+    my_context = (EC_RTDM_DRV_CONTEXT*)context->dev_private;
+    pdrvstruc =  my_context->pdrvstruc;
+    
+    switch (request) {
+    case EC_RTDM_MASTERSTATE:
+    {
+		if (!pdrvstruc->isattached)
+            {
+                return -EFAULT;
+            }
+		if (pdrvstruc->master)
+            {
+                rt_mutex_acquire(&pdrvstruc->masterlock,TM_INFINITE);
+                
+                ecrt_master_state(pdrvstruc->master, &ms);
+                
+                rt_mutex_release(&pdrvstruc->masterlock);
+                
+            }
+        if  (rtdm_rw_user_ok(user_info, arg, sizeof(ms)))
+            {
+                // copy data to user
+                if (rtdm_copy_to_user(user_info, arg, &ms,sizeof(ms)))
+                    {
+                        return -EFAULT;
+                    }
+            }
+        
+    }
+    break;
+    case EC_RTDM_DOMAINSTATE:
+    {
+		if (!pdrvstruc->isattached)
+            {
+                return -EFAULT;
+            }
+	   	if (pdrvstruc->domain)
+            {
+                rt_mutex_acquire(&pdrvstruc->masterlock,TM_INFINITE);
+                
+                ecrt_domain_state(pdrvstruc->domain, &ds);
+                
+                rt_mutex_release(&pdrvstruc->masterlock);
+            }
+        if  (rtdm_rw_user_ok(user_info, arg, sizeof(ds)))
+            {
+                // copy data to user
+                if (rtdm_copy_to_user(user_info, arg, &ds,sizeof(ds)))
+                    {
+                        return -EFAULT;
+                    }
+            }
+    }
+    break;
+    
+    case EC_RTDM_MSTRRECEIVE:
+    {	       
+        if (pdrvstruc->isattached)
+            {
+                receive_process(pdrvstruc);
+            }
+    }
+    break;
+    case EC_RTDM_MSTRSEND:
+    {
+        
+        if (pdrvstruc->isattached)
+            {
+                send_process(pdrvstruc);
+            }
+    }
+    break;
+    case EC_RTDM_MASTER_APP_TIME:
+    {
+		if (!pdrvstruc->isattached)
+            {
+                return -EFAULT;
+            }
+        if  (rtdm_rw_user_ok(user_info, arg, sizeof(app_time)))
+            {
+                // copy data from user
+                if (rtdm_copy_from_user(user_info, &app_time, arg, sizeof(app_time)))
+                    {
+                        return -EFAULT;
+                    }
+                if (pdrvstruc->master)
+                    {
+                        rt_mutex_acquire(&pdrvstruc->masterlock,TM_INFINITE);
+                        
+                        ecrt_master_application_time(pdrvstruc->master, app_time);
+                        
+                        rt_mutex_release(&pdrvstruc->masterlock);
+                        
+                    }
+            }
+    }
+    break;
+    case EC_RTDM_SYNC_REF_CLOCK:
+    {
+		if (!pdrvstruc->isattached)
+            {
+                return -EFAULT;
+            }
+        if (pdrvstruc->master)
+            {
+                rt_mutex_acquire(&pdrvstruc->masterlock,TM_INFINITE);
+                
+                ecrt_master_sync_reference_clock(pdrvstruc->master);
+                
+                rt_mutex_release(&pdrvstruc->masterlock);
+                
+            }
+    }
+    break;
+    case EC_RTDM_SYNC_SLAVE_CLOCK:
+    {
+		if (!pdrvstruc->isattached)
+            {
+                return -EFAULT;
+            }
+        if (pdrvstruc->master)
+            {
+                rt_mutex_acquire(&pdrvstruc->masterlock,TM_INFINITE);
+                
+                ecrt_master_sync_slave_clocks(pdrvstruc->master);
+                
+                rt_mutex_release(&pdrvstruc->masterlock);
+                
+            }
+    }
+    break;
+    case EC_RTDM_MSTRATTACH:
+    {
+        unsigned int mstridx;
+        
+        mstridx = 0;
+        ret = 0;
+        
+        EC_RTDM_INFO(pdrvstruc->masterno,"Master attach start!\n");
+        if (user_info) 
+            {
+                if (rtdm_read_user_ok(user_info, arg, sizeof(unsigned int)))
+                    {
+                        if (rtdm_copy_from_user(user_info, &l_ioctlvalue[0], arg,sizeof(unsigned int))==0)
+                            {
+                                pdrvstruc->domain = (ec_domain_t*)l_ioctlvalue[0];
+                            }
+                        else
+                            {
+                                EC_RTDM_ERR(pdrvstruc->masterno,"copy user param failed!\n");
+                                ret=-EFAULT;
+                            }		
+                    }
+                else
+                    { 
+                        EC_RTDM_ERR(pdrvstruc->masterno,"user parameter domain missing!\n");
+                        ret=-EFAULT;
+                    }	
+            }
+		if (ret!=0) 
+            {
+                return ret;
+            }
+        
+		if ( (pdrvstruc->master) && (pdrvstruc->isattached))
+            // master is allready attached
+            {
+                // master is allready attached
+                EC_RTDM_ERR(pdrvstruc->masterno,"Master is allready attached!\n");
+                ret = -EFAULT;
+            }
+	    else
+            {
+                //mstr=ecrt_request_master(0);
+                mstridx = pdrvstruc->masterno;
+	        	
+                pdrvstruc->master=ecrt_attach_master(mstridx);
+                
+                if (pdrvstruc->master)
+                    {
+                        // Ok
+                        EC_RTDM_INFO(pdrvstruc->masterno,"Master searching for domain!\n");
+                        pdrvstruc->domain = ecrt_master_find_domain(pdrvstruc->master,l_ioctlvalue[0]);
+                        if (!pdrvstruc->domain)
+                            {
+                                //
+                                EC_RTDM_ERR(pdrvstruc->masterno,"Cannot find domain from index %u!\n",l_ioctlvalue[0]);
+                                ret = -EFAULT;
+                            }
+                        else
+                            {
+                                
+                                // set device name
+                                snprintf(&pdrvstruc->mutexname[0],sizeof(pdrvstruc->mutexname)-1,"ETHrtdmLOCK%d",pdrvstruc->masterno);
+                                EC_RTDM_INFO(pdrvstruc->masterno,"Creating Master mutex %s!\n",&pdrvstruc->mutexname[0]);
+                                rt_mutex_create(&pdrvstruc->masterlock,&pdrvstruc->mutexname[0]);
+                                //ecrt_release_master(mstr);
+                                ecrt_master_callbacks(pdrvstruc->master, send_callback, receive_callback, pdrvstruc);
+                                EC_RTDM_INFO(pdrvstruc->masterno,"MSTR ATTACH done domain=%u!\n",(unsigned int)pdrvstruc->domain);
+                                pdrvstruc->isattached=1;
+                                ret = 0;
+                            }
+                        
+                    }
+                else
+                    {
+                        EC_RTDM_ERR(pdrvstruc->masterno,"Master attach failed!\n");
+                        pdrvstruc->master = NULL;
+                        ret = -EFAULT;
+                    }
+            }
+    }
+    break;
+    default:
+        ret = -ENOTTY;
+    }
+    return ret;
+}
+
+
+/**********************************************************/
+/*            DRIVER READ                                 */
+/**********************************************************/
+int ec_rtdm_read_rt(struct rtdm_dev_context *context,
+                    rtdm_user_info_t *user_info, void *buf, size_t nbyte)
+{
+    int                     ret;
+#if defined(USE_THIS)
+    EC_RTDM_DRV_CONTEXT* my_context;
+    char                    *out_pos;
+    int                     dev_id;
+    rtdm_toseq_t            timeout_seq;
+    int                     ret;
+
+    out_pos = (char *)buf;
+    
+    my_context = (EC_RTDM_DRV_CONTEXT*)context->dev_private;
+    
+    // zero bytes requested ? return!
+    if (nbyte == 0)
+        return 0;
+
+    // check if R/W actions to user-space are allowed
+    if (user_info && !rtdm_rw_user_ok(user_info, buf, nbyte))
+        return -EFAULT;
+
+    dev_id = my_context->dev_id;
+
+    // in case we need to check if reading is allowed (locking)
+/*    if (test_and_set_bit(0, &ctx->in_lock))
+        return -EBUSY;
+*/
+/*  // if we need to do some stuff with preemption disabled:
+    rtdm_lock_get_irqsave(&ctx->lock, lock_ctx);
+    // stuff here
+    rtdm_lock_put_irqrestore(&ctx->lock, lock_ctx);
+*/
+
+    // wait: if ctx->timeout = 0, it will block infintely until
+    //       rtdm_event_signal(&ctx->irq_event); is called from our
+    //       interrupt routine
+    //ret = rtdm_event_timedwait(&ctx->irq_event, ctx->timeout, &timeout_seq);
+
+    // now write the requested stuff to user-space
+    if (rtdm_copy_to_user(user_info, out_pos,
+                          dummy_buffer, BUFSIZE) != 0) {
+        ret = -EFAULT;
+    } else {
+        ret = BUFSIZE;
+    }
+#else
+    ret = -EFAULT;
+#endif
+    return ret;
+}
+
+/**********************************************************/
+/*            DRIVER WRITE                                */
+/**********************************************************/
+int ec_rtdm_write_rt(struct rtdm_dev_context *context,
+                   rtdm_user_info_t *user_info,
+                   const void *buf, size_t nbyte)
+{
+    int                     ret;
+
+#if defined(USE_THIS)
+    int                     dev_id;
+    char                    *in_pos = (char *)buf;
+
+    EC_RTDM_DRV_CONTEXT* my_context;
+    
+
+    my_context = (EC_RTDM_DRV_CONTEXT*)context->dev_private;
+    
+
+    if (nbyte == 0)
+        return 0;
+    if (user_info && !rtdm_read_user_ok(user_info, buf, nbyte))
+        return -EFAULT;
+
+    dev_id = my_context->dev_id;
+
+    if (rtdm_copy_from_user(user_info, dummy_buffer,
+                             in_pos, BUFSIZE) != 0) {
+        ret = -EFAULT;
+    } else {
+       ret = BUFSIZE;
+    }
+#else
+    ret = -EFAULT;
+#endif
+    // used when it is atomic
+//   rtdm_mutex_unlock(&ctx->out_lock);
+    return ret;
+}
+
+/**********************************************************/
+/*            DRIVER OPERATIONS                           */
+/**********************************************************/
+
+// Template
+
+static struct rtdm_device ec_rtdm_device_t = {
+    struct_version:     RTDM_DEVICE_STRUCT_VER,
+
+    device_flags:       RTDM_NAMED_DEVICE,
+    context_size:   	sizeof(EC_RTDM_DRV_CONTEXT),
+    device_name:        EC_RTDM_DEV_FILE_NAME,
+
+/* open and close functions are not real-time safe due kmalloc
+   and kfree. If you do not use kmalloc and kfree, and you made
+   sure that there is no syscall in the open/close handler, you
+   can declare the open_rt and close_rt handler.
+*/
+    open_rt:            NULL,
+    open_nrt:           ec_rtdm_open_rt,
+
+    ops: {
+        close_rt:       NULL,
+        close_nrt:      ec_rtdm_close_rt,
+
+        ioctl_rt:       ec_rtdm_ioctl_rt,
+        ioctl_nrt:      ec_rtdm_ioctl_rt, // rtdm_mmap_to_user is not RT safe
+
+        read_rt:        ec_rtdm_read_rt,
+        read_nrt:       NULL,
+
+        write_rt:       ec_rtdm_write_rt,
+        write_nrt:      NULL,
+
+        recvmsg_rt:     NULL,
+        recvmsg_nrt:    NULL,
+
+        sendmsg_rt:     NULL,
+        sendmsg_nrt:    NULL,
+    },
+
+    device_class:       RTDM_CLASS_EXPERIMENTAL,
+    device_sub_class:   222,
+    driver_name:        EC_RTDM_DEV_FILE_NAME,
+    driver_version:     RTDM_DRIVER_VER(1,0,1),
+    peripheral_name:    EC_RTDM_DEV_FILE_NAME,
+    provider_name:      "Moehwald GmbH - Bosch Group",
+//    proc_name:          ethcatrtdm_device.device_name,
+};
+
+
+static struct rtdm_device ec_rtdm_devices[EC_RTDM_MAX_MASTERS];
+
+
+/**********************************************************/
+/*            INIT DRIVER                                 */
+/**********************************************************/
+int init_module(void)
+{
+	unsigned int i;
+    int ret;
+
+    ret = 0; 	
+    
+    EC_RTDM_GINFO("Initlializing EtherCAT RTDM Interface to Igh EtherCAT Master\n");
+    memset(&ec_rtdm_masterintf[0],0,sizeof(ec_rtdm_masterintf));
+    for (i=0;( (i<EC_RTDM_MAX_MASTERS) && (ret==0) ) ;i++)
+      {	 
+    	// master no to struct
+    	ec_rtdm_masterintf[i].masterno = i;
+        // copy from template
+        memcpy(&ec_rtdm_devices[i],&ec_rtdm_device_t,sizeof(ec_rtdm_devices[0]));
+
+        // set device name
+        snprintf(&ec_rtdm_devices[i].device_name[0],RTDM_MAX_DEVNAME_LEN,"%s%d",EC_RTDM_DEV_FILE_NAME,i);
+        // set proc_name
+	    ec_rtdm_devices[i].proc_name = &ec_rtdm_devices[i].device_name[0];
+	    ec_rtdm_devices[i].driver_name = &ec_rtdm_devices[i].device_name[0];
+		ec_rtdm_devices[i].peripheral_name = &ec_rtdm_devices[i].device_name[0];
+	
+		EC_RTDM_GINFO("Registering device %s!\n",ec_rtdm_devices[i].driver_name);
+		ret = rtdm_dev_register(&ec_rtdm_devices[i]);
+
+      }	
+    if (ret!=0)
+      {	
+    	// register m
+        EC_RTDM_GERR("Initialization of EtherCAT RTDM Interface failed\n");
+      }		
+    return ret;
+}
+
+/**********************************************************/
+/*            CLEANUP DRIVER                              */
+/**********************************************************/
+void cleanup_module(void)
+{
+    unsigned int i;
+
+    EC_RTDM_GINFO("Cleanup EtherCAT RTDM Interface to Igh EtherCAT Master - Moehwald GmbH\n");
+    for (i=0;i<EC_RTDM_MAX_MASTERS;i++)
+      {
+         if (ec_rtdm_masterintf[i].isattached)
+           {
+	          detach_master(&ec_rtdm_masterintf[i]);
+	       }
+ 		 EC_RTDM_GINFO("Unregistering device %s!\n",ec_rtdm_devices[i].driver_name);
+         rtdm_dev_unregister(&ec_rtdm_devices[i],1000);
+    }
+}
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("EtherCAT RTDM Interface to Igh EtherCAT Master");