diff --git a/drivers/net/appletalk/Kconfig b/drivers/net/appletalk/Kconfig
new file mode 100644
index 0000000..60b1967
--- /dev/null
+++ b/drivers/net/appletalk/Kconfig
@@ -0,0 +1,98 @@
+#
+# Appletalk driver configuration
+#
+config DEV_APPLETALK
+	bool "Appletalk interfaces support"
+	depends on ATALK
+	help
+	  AppleTalk is the protocol that Apple computers can use to communicate
+	  on a network.  If your Linux box is connected to such a network, and wish
+	  to do IP over it, or you have a LocalTalk card and wish to use it to
+	  connect to the AppleTalk network, say Y.
+	  
+
+config LTPC
+	tristate "Apple/Farallon LocalTalk PC support"
+	depends on DEV_APPLETALK && (ISA || EISA)
+	help
+	  This allows you to use the AppleTalk PC card to connect to LocalTalk
+	  networks. The card is also known as the Farallon PhoneNet PC card.
+	  If you are in doubt, this card is the one with the 65C02 chip on it.
+	  You also need version 1.3.3 or later of the netatalk package.
+	  This driver is experimental, which means that it may not work.
+	  See the file <file:Documentation/networking/ltpc.txt>.
+
+config COPS
+	tristate "COPS LocalTalk PC support"
+	depends on DEV_APPLETALK && (ISA || EISA)
+	help
+	  This allows you to use COPS AppleTalk cards to connect to LocalTalk
+	  networks. You also need version 1.3.3 or later of the netatalk
+	  package. This driver is experimental, which means that it may not
+	  work. This driver will only work if you choose "AppleTalk DDP"
+	  networking support, above.
+	  Please read the file <file:Documentation/networking/cops.txt>.
+
+config COPS_DAYNA
+	bool "Dayna firmware support"
+	depends on COPS
+	help
+	  Support COPS compatible cards with Dayna style firmware (Dayna
+	  DL2000/ Daynatalk/PC (half length), COPS LT-95, Farallon PhoneNET PC
+	  III, Farallon PhoneNET PC II).
+
+config COPS_TANGENT
+	bool "Tangent firmware support"
+	depends on COPS
+	help
+	  Support COPS compatible cards with Tangent style firmware (Tangent
+	  ATB_II, Novell NL-1000, Daystar Digital LT-200.
+
+config IPDDP
+	tristate "Appletalk-IP driver support"
+	depends on DEV_APPLETALK && ATALK
+	---help---
+	  This allows IP networking for users who only have AppleTalk
+	  networking available. This feature is experimental. With this
+	  driver, you can encapsulate IP inside AppleTalk (e.g. if your Linux
+	  box is stuck on an AppleTalk only network) or decapsulate (e.g. if
+	  you want your Linux box to act as an Internet gateway for a zoo of
+	  AppleTalk connected Macs). Please see the file
+	  <file:Documentation/networking/ipddp.txt> for more information.
+
+	  If you say Y here, the AppleTalk-IP support will be compiled into
+	  the kernel. In this case, you can either use encapsulation or
+	  decapsulation, but not both. With the following two questions, you
+	  decide which one you want.
+
+	  To compile the AppleTalk-IP support as a module, choose M here: the
+	  module will be called ipddp.
+	  In this case, you will be able to use both encapsulation and
+	  decapsulation simultaneously, by loading two copies of the module
+	  and specifying different values for the module option ipddp_mode.
+
+config IPDDP_ENCAP
+	bool "IP to Appletalk-IP Encapsulation support"
+	depends on IPDDP
+	help
+	  If you say Y here, the AppleTalk-IP code will be able to encapsulate
+	  IP packets inside AppleTalk frames; this is useful if your Linux box
+	  is stuck on an AppleTalk network (which hopefully contains a
+	  decapsulator somewhere). Please see
+	  <file:Documentation/networking/ipddp.txt> for more information. If
+	  you said Y to "AppleTalk-IP driver support" above and you say Y
+	  here, then you cannot say Y to "AppleTalk-IP to IP Decapsulation
+	  support", below.
+
+config IPDDP_DECAP
+	bool "Appletalk-IP to IP Decapsulation support"
+	depends on IPDDP
+	help
+	  If you say Y here, the AppleTalk-IP code will be able to decapsulate
+	  AppleTalk-IP frames to IP packets; this is useful if you want your
+	  Linux box to act as an Internet gateway for an AppleTalk network.
+	  Please see <file:Documentation/networking/ipddp.txt> for more
+	  information.  If you said Y to "AppleTalk-IP driver support" above
+	  and you say Y here, then you cannot say Y to "IP to AppleTalk-IP
+	  Encapsulation support", above.
+
diff --git a/drivers/net/appletalk/Makefile b/drivers/net/appletalk/Makefile
new file mode 100644
index 0000000..6cfc705
--- /dev/null
+++ b/drivers/net/appletalk/Makefile
@@ -0,0 +1,7 @@
+#
+# Makefile for drivers/net/appletalk
+#
+
+obj-$(CONFIG_IPDDP) += ipddp.o
+obj-$(CONFIG_COPS) += cops.o
+obj-$(CONFIG_LTPC) += ltpc.o
diff --git a/drivers/net/appletalk/cops.c b/drivers/net/appletalk/cops.c
new file mode 100644
index 0000000..2161c2d
--- /dev/null
+++ b/drivers/net/appletalk/cops.c
@@ -0,0 +1,1059 @@
+/*      cops.c: LocalTalk driver for Linux.
+ *
+ *	Authors:
+ *      - Jay Schulist <jschlst@samba.org>
+ *
+ *	With more than a little help from;
+ *	- Alan Cox <Alan.Cox@linux.org> 
+ *
+ *      Derived from:
+ *      - skeleton.c: A network driver outline for linux.
+ *        Written 1993-94 by Donald Becker.
+ *	- ltpc.c: A driver for the LocalTalk PC card.
+ *	  Written by Bradford W. Johnson.
+ *
+ *      Copyright 1993 United States Government as represented by the
+ *      Director, National Security Agency.
+ *
+ *      This software may be used and distributed according to the terms
+ *      of the GNU General Public License, incorporated herein by reference.
+ *
+ *	Changes:
+ *	19970608	Alan Cox	Allowed dual card type support
+ *					Can set board type in insmod
+ *					Hooks for cops_setup routine
+ *					(not yet implemented).
+ *	19971101	Jay Schulist	Fixes for multiple lt* devices.
+ *	19980607	Steven Hirsch	Fixed the badly broken support
+ *					for Tangent type cards. Only
+ *                                      tested on Daystar LT200. Some
+ *                                      cleanup of formatting and program
+ *                                      logic.  Added emacs 'local-vars'
+ *                                      setup for Jay's brace style.
+ *	20000211	Alan Cox	Cleaned up for softnet
+ */
+
+static const char *version =
+"cops.c:v0.04 6/7/98 Jay Schulist <jschlst@samba.org>\n";
+/*
+ *  Sources:
+ *      COPS Localtalk SDK. This provides almost all of the information
+ *      needed.
+ */
+
+/*
+ * insmod/modprobe configurable stuff.
+ *	- IO Port, choose one your card supports or 0 if you dare.
+ *	- IRQ, also choose one your card supports or nothing and let
+ *	  the driver figure it out.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/fcntl.h>
+#include <linux/interrupt.h>
+#include <linux/ptrace.h>
+#include <linux/ioport.h>
+#include <linux/in.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/if_ltalk.h>	/* For ltalk_setup() */
+#include <linux/delay.h>	/* For udelay() */
+#include <linux/atalk.h>
+#include <linux/spinlock.h>
+#include <linux/bitops.h>
+
+#include <asm/system.h>
+#include <asm/io.h>
+#include <asm/dma.h>
+
+#include "cops.h"		/* Our Stuff */
+#include "cops_ltdrv.h"		/* Firmware code for Tangent type cards. */
+#include "cops_ffdrv.h"		/* Firmware code for Dayna type cards. */
+
+/*
+ *      The name of the card. Is used for messages and in the requests for
+ *      io regions, irqs and dma channels
+ */
+
+static const char *cardname = "cops";
+
+#ifdef CONFIG_COPS_DAYNA
+static int board_type = DAYNA;	/* Module exported */
+#else
+static int board_type = TANGENT;
+#endif
+
+static int io = 0x240;		/* Default IO for Dayna */
+static int irq = 5;		/* Default IRQ */
+
+/*
+ *	COPS Autoprobe information.
+ *	Right now if port address is right but IRQ is not 5 this will
+ *      return a 5 no matter what since we will still get a status response.
+ *      Need one more additional check to narrow down after we have gotten
+ *      the ioaddr. But since only other possible IRQs is 3 and 4 so no real
+ *	hurry on this. I *STRONGLY* recommend using IRQ 5 for your card with
+ *	this driver.
+ * 
+ *	This driver has 2 modes and they are: Dayna mode and Tangent mode.
+ *	Each mode corresponds with the type of card. It has been found
+ *	that there are 2 main types of cards and all other cards are
+ *	the same and just have different names or only have minor differences
+ *	such as more IO ports. As this driver is tested it will
+ *	become more clear on exactly what cards are supported. The driver
+ *	defaults to using Dayna mode. To change the drivers mode, simply
+ *	select Dayna or Tangent mode when configuring the kernel.
+ *
+ *      This driver should support:
+ *      TANGENT driver mode:
+ *              Tangent ATB-II, Novell NL-1000, Daystar Digital LT-200,
+ *		COPS LT-1
+ *      DAYNA driver mode:
+ *              Dayna DL2000/DaynaTalk PC (Half Length), COPS LT-95, 
+ *		Farallon PhoneNET PC III, Farallon PhoneNET PC II
+ *	Other cards possibly supported mode unkown though:
+ *		Dayna DL2000 (Full length), COPS LT/M (Micro-Channel)
+ *
+ *	Cards NOT supported by this driver but supported by the ltpc.c
+ *	driver written by Bradford W. Johnson <johns393@maroon.tc.umn.edu>
+ *		Farallon PhoneNET PC
+ *		Original Apple LocalTalk PC card
+ * 
+ *      N.B.
+ *
+ *      The Daystar Digital LT200 boards do not support interrupt-driven
+ *      IO.  You must specify 'irq=0xff' as a module parameter to invoke
+ *      polled mode.  I also believe that the port probing logic is quite
+ *      dangerous at best and certainly hopeless for a polled card.  Best to 
+ *      specify both. - Steve H.
+ *
+ */
+
+/*
+ * Zero terminated list of IO ports to probe.
+ */
+
+static unsigned int ports[] = { 
+	0x240, 0x340, 0x200, 0x210, 0x220, 0x230, 0x260, 
+	0x2A0, 0x300, 0x310, 0x320, 0x330, 0x350, 0x360,
+	0
+};
+
+/*
+ * Zero terminated list of IRQ ports to probe.
+ */
+
+static int cops_irqlist[] = {
+	5, 4, 3, 0 
+};
+
+static struct timer_list cops_timer;
+
+/* use 0 for production, 1 for verification, 2 for debug, 3 for verbose debug */
+#ifndef COPS_DEBUG
+#define COPS_DEBUG 1 
+#endif
+static unsigned int cops_debug = COPS_DEBUG;
+
+/* The number of low I/O ports used by the card. */
+#define COPS_IO_EXTENT       8
+
+/* Information that needs to be kept for each board. */
+
+struct cops_local
+{
+        struct net_device_stats stats;
+        int board;			/* Holds what board type is. */
+	int nodeid;			/* Set to 1 once have nodeid. */
+        unsigned char node_acquire;	/* Node ID when acquired. */
+        struct atalk_addr node_addr;	/* Full node address */
+	spinlock_t lock;		/* RX/TX lock */
+};
+
+/* Index to functions, as function prototypes. */
+static int  cops_probe1 (struct net_device *dev, int ioaddr);
+static int  cops_irq (int ioaddr, int board);
+
+static int  cops_open (struct net_device *dev);
+static int  cops_jumpstart (struct net_device *dev);
+static void cops_reset (struct net_device *dev, int sleep);
+static void cops_load (struct net_device *dev);
+static int  cops_nodeid (struct net_device *dev, int nodeid);
+
+static irqreturn_t cops_interrupt (int irq, void *dev_id, struct pt_regs *regs);
+static void cops_poll (unsigned long ltdev);
+static void cops_timeout(struct net_device *dev);
+static void cops_rx (struct net_device *dev);
+static int  cops_send_packet (struct sk_buff *skb, struct net_device *dev);
+static void set_multicast_list (struct net_device *dev);
+static int  cops_hard_header (struct sk_buff *skb, struct net_device *dev,
+			      unsigned short type, void *daddr, void *saddr, 
+			      unsigned len);
+
+static int  cops_ioctl (struct net_device *dev, struct ifreq *rq, int cmd);
+static int  cops_close (struct net_device *dev);
+static struct net_device_stats *cops_get_stats (struct net_device *dev);
+
+static void cleanup_card(struct net_device *dev)
+{
+	if (dev->irq)
+		free_irq(dev->irq, dev);
+	release_region(dev->base_addr, COPS_IO_EXTENT);
+}
+
+/*
+ *      Check for a network adaptor of this type, and return '0' iff one exists.
+ *      If dev->base_addr == 0, probe all likely locations.
+ *      If dev->base_addr in [1..0x1ff], always return failure.
+ *        otherwise go with what we pass in.
+ */
+struct net_device * __init cops_probe(int unit)
+{
+	struct net_device *dev;
+	unsigned *port;
+	int base_addr;
+	int err = 0;
+
+	dev = alloc_netdev(sizeof(struct cops_local), "lt%d", ltalk_setup);
+	if (!dev)
+		return ERR_PTR(-ENOMEM);
+
+	if (unit >= 0) {
+		sprintf(dev->name, "lt%d", unit);
+		netdev_boot_setup_check(dev);
+		irq = dev->irq;
+		base_addr = dev->base_addr;
+	} else {
+		base_addr = dev->base_addr = io;
+	}
+
+	SET_MODULE_OWNER(dev);
+
+	if (base_addr > 0x1ff) {    /* Check a single specified location. */
+		err = cops_probe1(dev, base_addr);
+	} else if (base_addr != 0) { /* Don't probe at all. */
+		err = -ENXIO;
+	} else {
+		/* FIXME  Does this really work for cards which generate irq?
+		 * It's definitely N.G. for polled Tangent. sh
+		 * Dayna cards don't autoprobe well at all, but if your card is
+		 * at IRQ 5 & IO 0x240 we find it every time. ;) JS
+		 */
+		for (port = ports; *port && cops_probe1(dev, *port) < 0; port++)
+			;
+		if (!*port)
+			err = -ENODEV;
+	}
+	if (err)
+		goto out;
+	err = register_netdev(dev);
+	if (err)
+		goto out1;
+	return dev;
+out1:
+	cleanup_card(dev);
+out:
+	free_netdev(dev);
+	return ERR_PTR(err);
+}
+
+/*
+ *      This is the real probe routine. Linux has a history of friendly device
+ *      probes on the ISA bus. A good device probes avoids doing writes, and
+ *      verifies that the correct device exists and functions.
+ */
+static int __init cops_probe1(struct net_device *dev, int ioaddr)
+{
+        struct cops_local *lp;
+	static unsigned version_printed;
+	int board = board_type;
+	int retval;
+	
+        if(cops_debug && version_printed++ == 0)
+		printk("%s", version);
+
+	/* Grab the region so no one else tries to probe our ioports. */
+	if (!request_region(ioaddr, COPS_IO_EXTENT, dev->name))
+		return -EBUSY;
+
+        /*
+         * Since this board has jumpered interrupts, allocate the interrupt
+         * vector now. There is no point in waiting since no other device
+         * can use the interrupt, and this marks the irq as busy. Jumpered
+         * interrupts are typically not reported by the boards, and we must
+         * used AutoIRQ to find them.
+	 */
+	dev->irq = irq;
+	switch (dev->irq)
+	{
+		case 0:
+			/* COPS AutoIRQ routine */
+			dev->irq = cops_irq(ioaddr, board);
+			if (dev->irq)
+				break;
+			/* No IRQ found on this port, fallthrough */
+		case 1:
+			retval = -EINVAL;
+			goto err_out;
+
+		/* Fixup for users that don't know that IRQ 2 is really
+		 * IRQ 9, or don't know which one to set.
+		 */
+		case 2:
+			dev->irq = 9;
+			break;
+
+		/* Polled operation requested. Although irq of zero passed as
+		 * a parameter tells the init routines to probe, we'll
+		 * overload it to denote polled operation at runtime.
+		 */
+		case 0xff:
+			dev->irq = 0;
+			break;
+
+		default:
+			break;
+	}
+
+	/* Reserve any actual interrupt. */
+	if (dev->irq) {
+		retval = request_irq(dev->irq, &cops_interrupt, 0, dev->name, dev);
+		if (retval)
+			goto err_out;
+	}
+
+	dev->base_addr = ioaddr;
+
+        lp = netdev_priv(dev);
+        memset(lp, 0, sizeof(struct cops_local));
+        spin_lock_init(&lp->lock);
+
+	/* Copy local board variable to lp struct. */
+	lp->board               = board;
+
+	dev->hard_start_xmit    = cops_send_packet;
+	dev->tx_timeout		= cops_timeout;
+	dev->watchdog_timeo	= HZ * 2;
+	dev->hard_header	= cops_hard_header;
+        dev->get_stats          = cops_get_stats;
+	dev->open               = cops_open;
+        dev->stop               = cops_close;
+        dev->do_ioctl           = cops_ioctl;
+	dev->set_multicast_list = set_multicast_list;
+        dev->mc_list            = NULL;
+
+	/* Tell the user where the card is and what mode we're in. */
+	if(board==DAYNA)
+		printk("%s: %s at %#3x, using IRQ %d, in Dayna mode.\n", 
+			dev->name, cardname, ioaddr, dev->irq);
+	if(board==TANGENT) {
+		if(dev->irq)
+			printk("%s: %s at %#3x, IRQ %d, in Tangent mode\n", 
+				dev->name, cardname, ioaddr, dev->irq);
+		else
+			printk("%s: %s at %#3x, using polled IO, in Tangent mode.\n", 
+				dev->name, cardname, ioaddr);
+
+	}
+        return 0;
+
+err_out:
+	release_region(ioaddr, COPS_IO_EXTENT);
+	return retval;
+}
+
+static int __init cops_irq (int ioaddr, int board)
+{       /*
+         * This does not use the IRQ to determine where the IRQ is. We just
+         * assume that when we get a correct status response that it's the IRQ.
+         * This really just verifies the IO port but since we only have access
+         * to such a small number of IRQs (5, 4, 3) this is not bad.
+         * This will probably not work for more than one card.
+         */
+        int irqaddr=0;
+        int i, x, status;
+
+        if(board==DAYNA)
+        {
+                outb(0, ioaddr+DAYNA_RESET);
+                inb(ioaddr+DAYNA_RESET);
+                mdelay(333);
+        }
+        if(board==TANGENT)
+        {
+                inb(ioaddr);
+                outb(0, ioaddr);
+                outb(0, ioaddr+TANG_RESET);
+        }
+
+        for(i=0; cops_irqlist[i] !=0; i++)
+        {
+                irqaddr = cops_irqlist[i];
+                for(x = 0xFFFF; x>0; x --)    /* wait for response */
+                {
+                        if(board==DAYNA)
+                        {
+                                status = (inb(ioaddr+DAYNA_CARD_STATUS)&3);
+                                if(status == 1)
+                                        return irqaddr;
+                        }
+                        if(board==TANGENT)
+                        {
+                                if((inb(ioaddr+TANG_CARD_STATUS)& TANG_TX_READY) !=0)
+                                        return irqaddr;
+                        }
+                }
+        }
+        return 0;       /* no IRQ found */
+}
+
+/*
+ * Open/initialize the board. This is called (in the current kernel)
+ * sometime after booting when the 'ifconfig' program is run.
+ */
+static int cops_open(struct net_device *dev)
+{
+    struct cops_local *lp = netdev_priv(dev);
+
+	if(dev->irq==0)
+	{
+		/*
+		 * I don't know if the Dayna-style boards support polled 
+		 * operation.  For now, only allow it for Tangent.
+		 */
+		if(lp->board==TANGENT)	/* Poll 20 times per second */
+		{
+		    init_timer(&cops_timer);
+		    cops_timer.function = cops_poll;
+		    cops_timer.data 	= (unsigned long)dev;
+		    cops_timer.expires 	= jiffies + HZ/20;
+		    add_timer(&cops_timer);
+		} 
+		else 
+		{
+			printk(KERN_WARNING "%s: No irq line set\n", dev->name);
+			return -EAGAIN;
+		}
+	}
+
+	cops_jumpstart(dev);	/* Start the card up. */
+
+	netif_start_queue(dev);
+        return 0;
+}
+
+/*
+ *	This allows for a dynamic start/restart of the entire card.
+ */
+static int cops_jumpstart(struct net_device *dev)
+{
+	struct cops_local *lp = netdev_priv(dev);
+
+	/*
+         *      Once the card has the firmware loaded and has acquired
+         *      the nodeid, if it is reset it will lose it all.
+         */
+        cops_reset(dev,1);	/* Need to reset card before load firmware. */
+        cops_load(dev);		/* Load the firmware. */
+
+	/*
+	 *	If atalkd already gave us a nodeid we will use that
+	 *	one again, else we wait for atalkd to give us a nodeid
+	 *	in cops_ioctl. This may cause a problem if someone steals
+	 *	our nodeid while we are resetting.
+	 */	
+	if(lp->nodeid == 1)
+		cops_nodeid(dev,lp->node_acquire);
+
+	return 0;
+}
+
+static void tangent_wait_reset(int ioaddr)
+{
+	int timeout=0;
+
+	while(timeout++ < 5 && (inb(ioaddr+TANG_CARD_STATUS)&TANG_TX_READY)==0)
+		mdelay(1);   /* Wait 1 second */
+}
+
+/*
+ *      Reset the LocalTalk board.
+ */
+static void cops_reset(struct net_device *dev, int sleep)
+{
+        struct cops_local *lp = netdev_priv(dev);
+        int ioaddr=dev->base_addr;
+
+        if(lp->board==TANGENT)
+        {
+                inb(ioaddr);		/* Clear request latch. */
+                outb(0,ioaddr);		/* Clear the TANG_TX_READY flop. */
+                outb(0, ioaddr+TANG_RESET);	/* Reset the adapter. */
+
+		tangent_wait_reset(ioaddr);
+                outb(0, ioaddr+TANG_CLEAR_INT);
+        }
+        if(lp->board==DAYNA)
+        {
+                outb(0, ioaddr+DAYNA_RESET);	/* Assert the reset port */
+                inb(ioaddr+DAYNA_RESET);	/* Clear the reset */
+                if(sleep)
+                {
+                        long snap=jiffies;
+
+			/* Let card finish initializing, about 1/3 second */
+	                while(jiffies-snap<HZ/3)
+                                schedule();
+                }
+                else
+                        mdelay(333);
+        }
+	netif_wake_queue(dev);
+	return;
+}
+
+static void cops_load (struct net_device *dev)
+{
+        struct ifreq ifr;
+        struct ltfirmware *ltf= (struct ltfirmware *)&ifr.ifr_ifru;
+        struct cops_local *lp = netdev_priv(dev);
+        int ioaddr=dev->base_addr;
+	int length, i = 0;
+
+        strcpy(ifr.ifr_name,"lt0");
+
+        /* Get card's firmware code and do some checks on it. */
+#ifdef CONFIG_COPS_DAYNA        
+        if(lp->board==DAYNA)
+        {
+                ltf->length=sizeof(ffdrv_code);
+                ltf->data=ffdrv_code;
+        }
+        else
+#endif        
+#ifdef CONFIG_COPS_TANGENT
+        if(lp->board==TANGENT)
+        {
+                ltf->length=sizeof(ltdrv_code);
+                ltf->data=ltdrv_code;
+        }
+        else
+#endif
+	{
+		printk(KERN_INFO "%s; unsupported board type.\n", dev->name);
+		return;
+	}
+	
+        /* Check to make sure firmware is correct length. */
+        if(lp->board==DAYNA && ltf->length!=5983)
+        {
+                printk(KERN_WARNING "%s: Firmware is not length of FFDRV.BIN.\n", dev->name);
+                return;
+        }
+        if(lp->board==TANGENT && ltf->length!=2501)
+        {
+                printk(KERN_WARNING "%s: Firmware is not length of DRVCODE.BIN.\n", dev->name);
+                return;
+        }
+
+        if(lp->board==DAYNA)
+        {
+                /*
+                 *      We must wait for a status response
+                 *      with the DAYNA board.
+                 */
+                while(++i<65536)
+                {
+                       if((inb(ioaddr+DAYNA_CARD_STATUS)&3)==1)
+                                break;
+                }
+
+                if(i==65536)
+                        return;
+        }
+
+        /*
+         *      Upload the firmware and kick. Byte-by-byte works nicely here.
+         */
+	i=0;
+        length = ltf->length;
+        while(length--)
+        {
+                outb(ltf->data[i], ioaddr);
+                i++;
+        }
+
+	if(cops_debug > 1)
+		printk("%s: Uploaded firmware - %d bytes of %d bytes.\n", 
+			dev->name, i, ltf->length);
+
+        if(lp->board==DAYNA) 	/* Tell Dayna to run the firmware code. */
+                outb(1, ioaddr+DAYNA_INT_CARD);
+	else			/* Tell Tang to run the firmware code. */
+		inb(ioaddr);
+
+        if(lp->board==TANGENT)
+        {
+                tangent_wait_reset(ioaddr);
+                inb(ioaddr);	/* Clear initial ready signal. */
+        }
+
+        return;
+}
+
+/*
+ * 	Get the LocalTalk Nodeid from the card. We can suggest
+ *	any nodeid 1-254. The card will try and get that exact
+ *	address else we can specify 0 as the nodeid and the card
+ *	will autoprobe for a nodeid.
+ */
+static int cops_nodeid (struct net_device *dev, int nodeid)
+{
+	struct cops_local *lp = netdev_priv(dev);
+	int ioaddr = dev->base_addr;
+
+	if(lp->board == DAYNA)
+        {
+        	/* Empty any pending adapter responses. */
+                while((inb(ioaddr+DAYNA_CARD_STATUS)&DAYNA_TX_READY)==0)
+                {
+			outb(0, ioaddr+COPS_CLEAR_INT);	/* Clear interrupts. */
+        		if((inb(ioaddr+DAYNA_CARD_STATUS)&0x03)==DAYNA_RX_REQUEST)
+                		cops_rx(dev);	/* Kick any packets waiting. */
+			schedule();
+                }
+
+                outb(2, ioaddr);       	/* Output command packet length as 2. */
+                outb(0, ioaddr);
+                outb(LAP_INIT, ioaddr);	/* Send LAP_INIT command byte. */
+                outb(nodeid, ioaddr);  	/* Suggest node address. */
+        }
+
+	if(lp->board == TANGENT)
+        {
+                /* Empty any pending adapter responses. */
+                while(inb(ioaddr+TANG_CARD_STATUS)&TANG_RX_READY)
+                {
+			outb(0, ioaddr+COPS_CLEAR_INT);	/* Clear interrupt. */
+                	cops_rx(dev);          	/* Kick out packets waiting. */
+			schedule();
+                }
+
+		/* Not sure what Tangent does if nodeid picked is used. */
+                if(nodeid == 0)	         		/* Seed. */
+                	nodeid = jiffies&0xFF;		/* Get a random try */
+                outb(2, ioaddr);        		/* Command length LSB */
+                outb(0, ioaddr);       			/* Command length MSB */
+                outb(LAP_INIT, ioaddr); 		/* Send LAP_INIT byte */
+                outb(nodeid, ioaddr); 		  	/* LAP address hint. */
+                outb(0xFF, ioaddr);     		/* Int. level to use */
+        }
+
+	lp->node_acquire=0;		/* Set nodeid holder to 0. */
+        while(lp->node_acquire==0)	/* Get *True* nodeid finally. */
+	{
+		outb(0, ioaddr+COPS_CLEAR_INT);	/* Clear any interrupt. */
+
+		if(lp->board == DAYNA)
+		{
+                	if((inb(ioaddr+DAYNA_CARD_STATUS)&0x03)==DAYNA_RX_REQUEST)
+                		cops_rx(dev);	/* Grab the nodeid put in lp->node_acquire. */
+		}
+		if(lp->board == TANGENT)
+		{	
+			if(inb(ioaddr+TANG_CARD_STATUS)&TANG_RX_READY)
+                                cops_rx(dev);   /* Grab the nodeid put in lp->node_acquire. */
+		}
+		schedule();
+	}
+
+	if(cops_debug > 1)
+		printk(KERN_DEBUG "%s: Node ID %d has been acquired.\n", 
+			dev->name, lp->node_acquire);
+
+	lp->nodeid=1;	/* Set got nodeid to 1. */
+
+        return 0;
+}
+
+/*
+ *	Poll the Tangent type cards to see if we have work.
+ */
+ 
+static void cops_poll(unsigned long ltdev)
+{
+	int ioaddr, status;
+	int boguscount = 0;
+
+	struct net_device *dev = (struct net_device *)ltdev;
+
+	del_timer(&cops_timer);
+
+	if(dev == NULL)
+		return;	/* We've been downed */
+
+	ioaddr = dev->base_addr;
+	do {
+		status=inb(ioaddr+TANG_CARD_STATUS);
+		if(status & TANG_RX_READY)
+			cops_rx(dev);
+		if(status & TANG_TX_READY)
+			netif_wake_queue(dev);
+		status = inb(ioaddr+TANG_CARD_STATUS);
+	} while((++boguscount < 20) && (status&(TANG_RX_READY|TANG_TX_READY)));
+
+	/* poll 20 times per second */
+	cops_timer.expires = jiffies + HZ/20;
+	add_timer(&cops_timer);
+
+	return;
+}
+
+/*
+ *      The typical workload of the driver:
+ *      Handle the network interface interrupts.
+ */
+static irqreturn_t cops_interrupt(int irq, void *dev_id, struct pt_regs * regs)
+{
+        struct net_device *dev = dev_id;
+        struct cops_local *lp;
+        int ioaddr, status;
+        int boguscount = 0;
+
+        ioaddr = dev->base_addr;
+        lp = netdev_priv(dev);
+
+	if(lp->board==DAYNA)
+	{
+		do {
+			outb(0, ioaddr + COPS_CLEAR_INT);
+                       	status=inb(ioaddr+DAYNA_CARD_STATUS);
+                       	if((status&0x03)==DAYNA_RX_REQUEST)
+                       	        cops_rx(dev);
+                	netif_wake_queue(dev);
+		} while(++boguscount < 20);
+	}
+	else
+	{
+		do {
+                       	status=inb(ioaddr+TANG_CARD_STATUS);
+			if(status & TANG_RX_READY)
+				cops_rx(dev);
+			if(status & TANG_TX_READY)
+				netif_wake_queue(dev);
+			status=inb(ioaddr+TANG_CARD_STATUS);
+		} while((++boguscount < 20) && (status&(TANG_RX_READY|TANG_TX_READY)));
+	}
+
+        return IRQ_HANDLED;
+}
+
+/*
+ *      We have a good packet(s), get it/them out of the buffers.
+ */
+static void cops_rx(struct net_device *dev)
+{
+        int pkt_len = 0;
+        int rsp_type = 0;
+        struct sk_buff *skb = NULL;
+        struct cops_local *lp = netdev_priv(dev);
+        int ioaddr = dev->base_addr;
+        int boguscount = 0;
+        unsigned long flags;
+
+
+	spin_lock_irqsave(&lp->lock, flags);
+	
+        if(lp->board==DAYNA)
+        {
+                outb(0, ioaddr);                /* Send out Zero length. */
+                outb(0, ioaddr);
+                outb(DATA_READ, ioaddr);        /* Send read command out. */
+
+                /* Wait for DMA to turn around. */
+                while(++boguscount<1000000)
+                {
+			barrier();
+                        if((inb(ioaddr+DAYNA_CARD_STATUS)&0x03)==DAYNA_RX_READY)
+                                break;
+                }
+
+                if(boguscount==1000000)
+                {
+                        printk(KERN_WARNING "%s: DMA timed out.\n",dev->name);
+			spin_unlock_irqrestore(&lp->lock, flags);
+                        return;
+                }
+        }
+
+        /* Get response length. */
+	if(lp->board==DAYNA)
+        	pkt_len = inb(ioaddr) & 0xFF;
+	else
+		pkt_len = inb(ioaddr) & 0x00FF;
+        pkt_len |= (inb(ioaddr) << 8);
+        /* Input IO code. */
+        rsp_type=inb(ioaddr);
+
+        /* Malloc up new buffer. */
+        skb = dev_alloc_skb(pkt_len);
+        if(skb == NULL)
+        {
+                printk(KERN_WARNING "%s: Memory squeeze, dropping packet.\n",
+			dev->name);
+                lp->stats.rx_dropped++;
+                while(pkt_len--)        /* Discard packet */
+                        inb(ioaddr);
+                spin_unlock_irqrestore(&lp->lock, flags);
+                return;
+        }
+        skb->dev = dev;
+        skb_put(skb, pkt_len);
+        skb->protocol = htons(ETH_P_LOCALTALK);
+
+        insb(ioaddr, skb->data, pkt_len);               /* Eat the Data */
+
+        if(lp->board==DAYNA)
+                outb(1, ioaddr+DAYNA_INT_CARD);         /* Interrupt the card */
+
+        spin_unlock_irqrestore(&lp->lock, flags);  /* Restore interrupts. */
+
+        /* Check for bad response length */
+        if(pkt_len < 0 || pkt_len > MAX_LLAP_SIZE)
+        {
+		printk(KERN_WARNING "%s: Bad packet length of %d bytes.\n", 
+			dev->name, pkt_len);
+                lp->stats.tx_errors++;
+                dev_kfree_skb_any(skb);
+                return;
+        }
+
+        /* Set nodeid and then get out. */
+        if(rsp_type == LAP_INIT_RSP)
+        {	/* Nodeid taken from received packet. */
+                lp->node_acquire = skb->data[0];
+                dev_kfree_skb_any(skb);
+                return;
+        }
+
+        /* One last check to make sure we have a good packet. */
+        if(rsp_type != LAP_RESPONSE)
+        {
+                printk(KERN_WARNING "%s: Bad packet type %d.\n", dev->name, rsp_type);
+                lp->stats.tx_errors++;
+                dev_kfree_skb_any(skb);
+                return;
+        }
+
+        skb->mac.raw    = skb->data;    /* Point to entire packet. */
+        skb_pull(skb,3);
+        skb->h.raw      = skb->data;    /* Point to data (Skip header). */
+
+        /* Update the counters. */
+        lp->stats.rx_packets++;
+        lp->stats.rx_bytes += skb->len;
+
+        /* Send packet to a higher place. */
+        netif_rx(skb);
+	dev->last_rx = jiffies;
+}
+
+static void cops_timeout(struct net_device *dev)
+{
+        struct cops_local *lp = netdev_priv(dev);
+        int ioaddr = dev->base_addr;
+
+	lp->stats.tx_errors++;
+        if(lp->board==TANGENT)
+        {
+		if((inb(ioaddr+TANG_CARD_STATUS)&TANG_TX_READY)==0)
+               		printk(KERN_WARNING "%s: No TX complete interrupt.\n", dev->name);
+	}
+	printk(KERN_WARNING "%s: Transmit timed out.\n", dev->name);
+	cops_jumpstart(dev);	/* Restart the card. */
+	dev->trans_start = jiffies;
+	netif_wake_queue(dev);
+}
+
+
+/*
+ *	Make the card transmit a LocalTalk packet.
+ */
+
+static int cops_send_packet(struct sk_buff *skb, struct net_device *dev)
+{
+        struct cops_local *lp = netdev_priv(dev);
+        int ioaddr = dev->base_addr;
+        unsigned long flags;
+
+        /*
+         * Block a timer-based transmit from overlapping. 
+	 */
+	 
+	netif_stop_queue(dev);
+
+	spin_lock_irqsave(&lp->lock, flags);
+	if(lp->board == DAYNA)	 /* Wait for adapter transmit buffer. */
+		while((inb(ioaddr+DAYNA_CARD_STATUS)&DAYNA_TX_READY)==0)
+			cpu_relax();
+	if(lp->board == TANGENT) /* Wait for adapter transmit buffer. */
+		while((inb(ioaddr+TANG_CARD_STATUS)&TANG_TX_READY)==0)
+			cpu_relax();
+
+	/* Output IO length. */
+	outb(skb->len, ioaddr);
+	if(lp->board == DAYNA)
+               	outb(skb->len >> 8, ioaddr);
+	else
+		outb((skb->len >> 8)&0x0FF, ioaddr);
+
+	/* Output IO code. */
+	outb(LAP_WRITE, ioaddr);
+
+	if(lp->board == DAYNA)	/* Check the transmit buffer again. */
+        	while((inb(ioaddr+DAYNA_CARD_STATUS)&DAYNA_TX_READY)==0);
+
+	outsb(ioaddr, skb->data, skb->len);	/* Send out the data. */
+
+	if(lp->board==DAYNA)	/* Dayna requires you kick the card */
+		outb(1, ioaddr+DAYNA_INT_CARD);
+
+	spin_unlock_irqrestore(&lp->lock, flags);	/* Restore interrupts. */
+
+	/* Done sending packet, update counters and cleanup. */
+	lp->stats.tx_packets++;
+	lp->stats.tx_bytes += skb->len;
+	dev->trans_start = jiffies;
+	dev_kfree_skb (skb);
+        return 0;
+}
+
+/*
+ *	Dummy function to keep the Appletalk layer happy.
+ */
+ 
+static void set_multicast_list(struct net_device *dev)
+{
+        if(cops_debug >= 3)
+		printk("%s: set_multicast_list executed\n", dev->name);
+}
+
+/*
+ *      Another Dummy function to keep the Appletalk layer happy.
+ */
+ 
+static int cops_hard_header(struct sk_buff *skb, struct net_device *dev,
+			    unsigned short type, void *daddr, void *saddr, 
+			    unsigned len)
+{
+        if(cops_debug >= 3)
+                printk("%s: cops_hard_header executed. Wow!\n", dev->name);
+        return 0;
+}
+
+/*
+ *      System ioctls for the COPS LocalTalk card.
+ */
+ 
+static int cops_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+        struct cops_local *lp = netdev_priv(dev);
+        struct sockaddr_at *sa = (struct sockaddr_at *)&ifr->ifr_addr;
+        struct atalk_addr *aa = (struct atalk_addr *)&lp->node_addr;
+
+        switch(cmd)
+        {
+                case SIOCSIFADDR:
+			/* Get and set the nodeid and network # atalkd wants. */
+			cops_nodeid(dev, sa->sat_addr.s_node);
+			aa->s_net               = sa->sat_addr.s_net;
+                        aa->s_node              = lp->node_acquire;
+
+			/* Set broardcast address. */
+                        dev->broadcast[0]       = 0xFF;
+			
+			/* Set hardware address. */
+                        dev->dev_addr[0]        = aa->s_node;
+                        dev->addr_len           = 1;
+                        return 0;
+
+                case SIOCGIFADDR:
+                        sa->sat_addr.s_net      = aa->s_net;
+                        sa->sat_addr.s_node     = aa->s_node;
+                        return 0;
+
+                default:
+                        return -EOPNOTSUPP;
+        }
+}
+
+/*
+ *	The inverse routine to cops_open().
+ */
+ 
+static int cops_close(struct net_device *dev)
+{
+	struct cops_local *lp = netdev_priv(dev);
+
+	/* If we were running polled, yank the timer.
+	 */
+	if(lp->board==TANGENT && dev->irq==0)
+		del_timer(&cops_timer);
+
+	netif_stop_queue(dev);
+        return 0;
+}
+
+/*
+ *      Get the current statistics.
+ *      This may be called with the card open or closed.
+ */
+static struct net_device_stats *cops_get_stats(struct net_device *dev)
+{
+        struct cops_local *lp = netdev_priv(dev);
+        return &lp->stats;
+}
+
+#ifdef MODULE
+static struct net_device *cops_dev;
+
+MODULE_LICENSE("GPL");
+module_param(io, int, 0);
+module_param(irq, int, 0);
+module_param(board_type, int, 0);
+
+int init_module(void)
+{
+	if (io == 0)
+		printk(KERN_WARNING "%s: You shouldn't autoprobe with insmod\n",
+			cardname);
+	cops_dev = cops_probe(-1);
+	if (IS_ERR(cops_dev))
+		return PTR_ERR(cops_dev);
+        return 0;
+}
+
+void cleanup_module(void)
+{
+	unregister_netdev(cops_dev);
+	cleanup_card(cops_dev);
+	free_netdev(cops_dev);
+}
+#endif /* MODULE */
+
+/*
+ * Local variables:
+ *  compile-command: "gcc -DMODVERSIONS -DMODULE -D__KERNEL__ -Wall -Wstrict-prototypes -O2 -c cops.c"
+ *  c-basic-offset: 4
+ *  c-file-offsets: ((substatement-open . 0))
+ * End:
+ */
diff --git a/drivers/net/appletalk/cops.h b/drivers/net/appletalk/cops.h
new file mode 100644
index 0000000..c68ba9c
--- /dev/null
+++ b/drivers/net/appletalk/cops.h
@@ -0,0 +1,60 @@
+/*      cops.h: LocalTalk driver for Linux.
+ *
+ *      Authors:
+ *      - Jay Schulist <jschlst@samba.org>
+ */
+
+#ifndef __LINUX_COPSLTALK_H
+#define __LINUX_COPSLTALK_H
+
+#ifdef __KERNEL__
+
+/* Max LLAP size we will accept. */
+#define MAX_LLAP_SIZE		603
+
+/* Tangent */
+#define TANG_CARD_STATUS        1
+#define TANG_CLEAR_INT          1
+#define TANG_RESET              3
+
+#define TANG_TX_READY           1
+#define TANG_RX_READY           2
+
+/* Dayna */
+#define DAYNA_CMD_DATA          0
+#define DAYNA_CLEAR_INT         1
+#define DAYNA_CARD_STATUS       2
+#define DAYNA_INT_CARD          3
+#define DAYNA_RESET             4
+
+#define DAYNA_RX_READY          0
+#define DAYNA_TX_READY          1
+#define DAYNA_RX_REQUEST        3
+
+/* Same on both card types */
+#define COPS_CLEAR_INT  1
+
+/* LAP response codes received from the cards. */
+#define LAP_INIT        1       /* Init cmd */
+#define LAP_INIT_RSP    2       /* Init response */
+#define LAP_WRITE       3       /* Write cmd */
+#define DATA_READ       4       /* Data read */
+#define LAP_RESPONSE    4       /* Received ALAP frame response */
+#define LAP_GETSTAT     5       /* Get LAP and HW status */
+#define LAP_RSPSTAT     6       /* Status response */
+
+#endif
+
+/*
+ *	Structure to hold the firmware information.
+ */
+struct ltfirmware
+{
+        unsigned int length;
+        unsigned char * data;
+};
+
+#define DAYNA 1
+#define TANGENT 2
+
+#endif
diff --git a/drivers/net/appletalk/cops_ffdrv.h b/drivers/net/appletalk/cops_ffdrv.h
new file mode 100644
index 0000000..4131b4a
--- /dev/null
+++ b/drivers/net/appletalk/cops_ffdrv.h
@@ -0,0 +1,533 @@
+
+/*
+ *	The firmware this driver downloads into the Localtalk card is a
+ *	separate program and is not GPL'd source code, even though the Linux
+ *	side driver and the routine that loads this data into the card are.
+ *	
+ *	It is taken from the COPS SDK and is under the following license
+ *
+ *	This material is licensed to you strictly for use in conjunction with
+ *	the use of COPS LocalTalk adapters.
+ *	There is no charge for this SDK. And no waranty express or implied
+ *	about its fitness for any purpose. However, we will cheerefully
+ *	refund every penny you paid for this SDK...
+ *	Regards,
+ *
+ *	Thomas F. Divine
+ *	Chief Scientist
+ */
+
+
+/*      cops_ffdrv.h: LocalTalk driver firmware dump for Linux.
+ *
+ *      Authors:
+ *      - Jay Schulist <jschlst@samba.org>
+ */
+
+#include <linux/config.h>
+
+#ifdef CONFIG_COPS_DAYNA
+
+unsigned char ffdrv_code[] = {
+	58,3,0,50,228,149,33,255,255,34,226,149,
+	249,17,40,152,33,202,154,183,237,82,77,68,
+	11,107,98,19,54,0,237,176,175,50,80,0,
+	62,128,237,71,62,32,237,57,51,62,12,237,
+	57,50,237,57,54,62,6,237,57,52,62,12,
+	237,57,49,33,107,137,34,32,128,33,83,130,
+	34,40,128,33,86,130,34,42,128,33,112,130,
+	34,36,128,33,211,130,34,38,128,62,0,237,
+	57,16,33,63,148,34,34,128,237,94,205,15,
+	130,251,205,168,145,24,141,67,111,112,121,114,
+	105,103,104,116,32,40,67,41,32,49,57,56,
+	56,32,45,32,68,97,121,110,97,32,67,111,
+	109,109,117,110,105,99,97,116,105,111,110,115,
+	32,32,32,65,108,108,32,114,105,103,104,116,
+	115,32,114,101,115,101,114,118,101,100,46,32,
+	32,40,68,40,68,7,16,8,34,7,22,6,
+	16,5,12,4,8,3,6,140,0,16,39,128,
+	0,4,96,10,224,6,0,7,126,2,64,11,
+	118,12,6,13,0,14,193,15,0,5,96,3,
+	192,1,64,9,8,62,9,211,66,62,192,211,
+	66,62,100,61,32,253,6,28,33,205,129,14,
+	66,237,163,194,253,129,6,28,33,205,129,14,
+	64,237,163,194,9,130,201,62,47,50,71,152,
+	62,47,211,68,58,203,129,237,57,20,58,204,
+	129,237,57,21,33,77,152,54,132,205,233,129,
+	58,228,149,254,209,40,6,56,4,62,0,24,
+	2,219,96,33,233,149,119,230,62,33,232,149,
+	119,213,33,8,152,17,7,0,25,119,19,25,
+	119,209,201,251,237,77,245,197,213,229,221,229,
+	205,233,129,62,1,50,106,137,205,158,139,221,
+	225,225,209,193,241,251,237,77,245,197,213,219,
+	72,237,56,16,230,46,237,57,16,237,56,12,
+	58,72,152,183,32,26,6,20,17,128,2,237,
+	56,46,187,32,35,237,56,47,186,32,29,219,
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+	201,245,197,1,52,0,237,120,246,2,237,121,
+	193,241,201,33,2,0,57,126,35,102,111,126,
+	35,110,103,201,33,0,0,34,102,152,34,96,
+	152,34,98,152,33,202,154,34,104,152,237,91,
+	104,152,42,226,149,183,237,82,17,0,255,25,
+	34,100,152,203,124,40,6,33,0,125,34,100,
+	152,42,104,152,35,35,35,229,205,120,139,193,
+	201,205,186,149,229,42,40,152,35,35,35,229,
+	205,39,144,193,124,230,3,103,221,117,254,221,
+	116,255,237,91,42,152,35,35,35,183,237,82,
+	32,12,17,5,0,42,42,152,205,171,149,242,
+	169,144,42,40,152,229,205,120,139,193,195,198,
+	149,237,91,42,152,42,98,152,25,34,98,152,
+	19,19,19,42,102,152,25,34,102,152,237,91,
+	100,152,33,158,253,25,237,91,102,152,205,171,
+	149,242,214,144,33,0,0,34,102,152,62,1,
+	50,95,152,205,225,144,195,198,149,58,95,152,
+	183,200,237,91,96,152,42,102,152,205,171,149,
+	242,5,145,237,91,102,152,33,98,2,25,237,
+	91,96,152,205,171,149,250,37,145,237,91,96,
+	152,42,102,152,183,237,82,32,7,42,98,152,
+	125,180,40,13,237,91,102,152,42,96,152,205,
+	171,149,242,58,145,237,91,104,152,42,102,152,
+	25,35,35,35,229,205,120,139,193,175,50,95,
+	152,201,195,107,139,205,206,149,250,255,243,205,
+	225,144,251,58,230,149,183,194,198,149,17,1,
+	0,42,98,152,205,171,149,250,198,149,62,1,
+	50,230,149,237,91,96,152,42,104,152,25,221,
+	117,252,221,116,253,237,91,104,152,42,96,152,
+	25,35,35,35,221,117,254,221,116,255,35,35,
+	35,229,205,39,144,124,230,3,103,35,35,35,
+	221,117,250,221,116,251,235,221,110,252,221,102,
+	253,115,35,114,35,54,4,62,1,211,100,211,
+	84,195,198,149,33,0,0,34,102,152,34,96,
+	152,34,98,152,33,202,154,34,104,152,237,91,
+	104,152,42,226,149,183,237,82,17,0,255,25,
+	34,100,152,33,109,152,54,0,33,107,152,229,
+	205,240,142,193,62,47,50,34,152,62,132,50,
+	49,152,205,241,145,205,61,145,58,39,152,60,
+	50,39,152,24,241,205,206,149,251,255,33,109,
+	152,126,183,202,198,149,110,221,117,251,33,109,
+	152,54,0,221,126,251,254,1,40,28,254,3,
+	40,101,254,4,202,190,147,254,5,202,147,147,
+	254,8,40,87,33,107,152,229,205,240,142,195,
+	198,149,58,201,154,183,32,21,33,111,152,126,
+	50,229,149,205,52,144,33,110,152,110,38,0,
+	229,205,11,142,193,237,91,96,152,42,104,152,
+	25,221,117,254,221,116,255,35,35,54,2,17,
+	2,0,43,43,115,35,114,58,44,152,35,35,
+	119,58,228,149,35,119,62,1,211,100,211,84,
+	62,1,50,201,154,24,169,205,153,142,58,231,
+	149,183,40,250,175,50,231,149,33,110,152,126,
+	254,255,40,91,58,233,149,230,63,183,40,83,
+	94,22,0,33,234,149,25,126,183,40,13,33,
+	110,152,94,33,234,150,25,126,254,3,32,36,
+	205,81,148,125,180,33,110,152,94,22,0,40,
+	17,33,234,149,25,54,0,33,107,152,229,205,
+	240,142,193,195,198,149,33,234,150,25,54,0,
+	33,110,152,94,22,0,33,234,149,25,126,50,
+	49,152,254,132,32,37,62,47,50,34,152,42,
+	107,152,229,33,110,152,229,205,174,140,193,193,
+	125,180,33,110,152,94,22,0,33,234,150,202,
+	117,147,25,52,195,120,147,58,49,152,254,140,
+	32,7,62,1,50,34,152,24,210,62,32,50,
+	106,152,24,19,58,49,152,95,58,106,152,163,
+	183,58,106,152,32,11,203,63,50,106,152,58,
+	106,152,183,32,231,254,2,40,51,254,4,40,
+	38,254,8,40,26,254,16,40,13,254,32,32,
+	158,62,165,50,49,152,62,69,24,190,62,164,
+	50,49,152,62,70,24,181,62,163,50,49,152,
+	175,24,173,62,162,50,49,152,62,1,24,164,
+	62,161,50,49,152,62,3,24,155,25,54,0,
+	221,126,251,254,8,40,7,58,230,149,183,202,
+	32,146,33,107,152,229,205,240,142,193,211,84,
+	195,198,149,237,91,96,152,42,104,152,25,221,
+	117,254,221,116,255,35,35,54,6,17,2,0,
+	43,43,115,35,114,58,228,149,35,35,119,58,
+	233,149,35,119,205,146,142,195,32,146,237,91,
+	96,152,42,104,152,25,229,205,160,142,193,58,
+	231,149,183,40,250,175,50,231,149,243,237,91,
+	96,152,42,104,152,25,221,117,254,221,116,255,
+	78,35,70,221,113,252,221,112,253,89,80,42,
+	98,152,183,237,82,34,98,152,203,124,40,19,
+	33,0,0,34,98,152,34,102,152,34,96,152,
+	62,1,50,95,152,24,40,221,94,252,221,86,
+	253,19,19,19,42,96,152,25,34,96,152,237,
+	91,100,152,33,158,253,25,237,91,96,152,205,
+	171,149,242,55,148,33,0,0,34,96,152,175,
+	50,230,149,251,195,32,146,245,62,1,50,231,
+	149,62,16,237,57,0,211,80,241,251,237,77,
+	201,205,186,149,229,229,33,0,0,34,37,152,
+	33,110,152,126,50,234,151,58,44,152,33,235,
+	151,119,221,54,253,0,221,54,254,0,195,230,
+	148,33,236,151,54,175,33,3,0,229,33,234,
+	151,229,205,174,140,193,193,33,236,151,126,254,
+	255,40,74,33,245,151,110,221,117,255,33,249,
+	151,126,221,166,255,221,119,255,33,253,151,126,
+	221,166,255,221,119,255,58,232,149,95,221,126,
+	255,163,221,119,255,183,40,15,230,191,33,110,
+	152,94,22,0,33,234,149,25,119,24,12,33,
+	110,152,94,22,0,33,234,149,25,54,132,33,
+	0,0,195,198,149,221,110,253,221,102,254,35,
+	221,117,253,221,116,254,17,32,0,221,110,253,
+	221,102,254,205,171,149,250,117,148,58,233,149,
+	203,87,40,84,33,1,0,34,37,152,221,54,
+	253,0,221,54,254,0,24,53,33,236,151,54,
+	175,33,3,0,229,33,234,151,229,205,174,140,
+	193,193,33,236,151,126,254,255,40,14,33,110,
+	152,94,22,0,33,234,149,25,54,140,24,159,
+	221,110,253,221,102,254,35,221,117,253,221,116,
+	254,17,32,0,221,110,253,221,102,254,205,171,
+	149,250,12,149,33,2,0,34,37,152,221,54,
+	253,0,221,54,254,0,24,54,33,236,151,54,
+	175,33,3,0,229,33,234,151,229,205,174,140,
+	193,193,33,236,151,126,254,255,40,15,33,110,
+	152,94,22,0,33,234,149,25,54,132,195,211,
+	148,221,110,253,221,102,254,35,221,117,253,221,
+	116,254,17,32,0,221,110,253,221,102,254,205,
+	171,149,250,96,149,33,1,0,195,198,149,124,
+	170,250,179,149,237,82,201,124,230,128,237,82,
+	60,201,225,253,229,221,229,221,33,0,0,221,
+	57,233,221,249,221,225,253,225,201,233,225,253,
+	229,221,229,221,33,0,0,221,57,94,35,86,
+	35,235,57,249,235,233,0,0,0,0,0,0,
+	62,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	175,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,133,1,0,0,0,63,
+	255,255,255,255,0,0,0,63,0,0,0,0,
+	0,0,0,0,0,0,0,24,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0
+	} ;
+
+#endif
diff --git a/drivers/net/appletalk/cops_ltdrv.h b/drivers/net/appletalk/cops_ltdrv.h
new file mode 100644
index 0000000..05de66d
--- /dev/null
+++ b/drivers/net/appletalk/cops_ltdrv.h
@@ -0,0 +1,242 @@
+/*
+ *	The firmware this driver downloads into the Localtalk card is a
+ *	separate program and is not GPL'd source code, even though the Linux
+ *	side driver and the routine that loads this data into the card are.
+ *	
+ *	It is taken from the COPS SDK and is under the following license
+ *
+ *	This material is licensed to you strictly for use in conjunction with
+ *	the use of COPS LocalTalk adapters.
+ *	There is no charge for this SDK. And no waranty express or implied
+ *	about its fitness for any purpose. However, we will cheerefully
+ *	refund every penny you paid for this SDK...
+ *	Regards,
+ *
+ *	Thomas F. Divine
+ *	Chief Scientist
+ */
+
+
+/*      cops_ltdrv.h: LocalTalk driver firmware dump for Linux.
+ *
+ *      Authors:
+ *      - Jay Schulist <jschlst@samba.org>
+ */
+ 
+#include <linux/config.h>
+
+#ifdef CONFIG_COPS_TANGENT
+
+unsigned char ltdrv_code[] = {
+	58,3,0,50,148,10,33,143,15,62,85,119,
+	190,32,9,62,170,119,190,32,3,35,24,241,
+	34,146,10,249,17,150,10,33,143,15,183,237,
+	82,77,68,11,107,98,19,54,0,237,176,62,
+	16,237,57,51,62,0,237,57,50,237,57,54,
+	62,12,237,57,49,62,195,33,39,2,50,56,
+	0,34,57,0,237,86,205,30,2,251,205,60,
+	10,24,169,67,111,112,121,114,105,103,104,116,
+	32,40,99,41,32,49,57,56,56,45,49,57,
+	57,50,44,32,80,114,105,110,116,105,110,103,
+	32,67,111,109,109,117,110,105,99,97,116,105,
+	111,110,115,32,65,115,115,111,99,105,97,116,
+	101,115,44,32,73,110,99,46,65,108,108,32,
+	114,105,103,104,116,115,32,114,101,115,101,114,
+	118,101,100,46,32,32,4,4,22,40,255,60,
+	4,96,10,224,6,0,7,126,2,64,11,246,
+	12,6,13,0,14,193,15,0,5,96,3,192,
+	1,0,9,8,62,3,211,82,62,192,211,82,
+	201,62,3,211,82,62,213,211,82,201,62,5,
+	211,82,62,224,211,82,201,62,5,211,82,62,
+	224,211,82,201,62,5,211,82,62,96,211,82,
+	201,6,28,33,180,1,14,82,237,163,194,4,
+	2,33,39,2,34,64,0,58,3,0,230,1,
+	192,62,11,237,121,62,118,237,121,201,33,182,
+	10,54,132,205,253,1,201,245,197,213,229,42,
+	150,10,14,83,17,98,2,67,20,237,162,58,
+	179,1,95,219,82,230,1,32,6,29,32,247,
+	195,17,3,62,1,211,82,219,82,95,230,160,
+	32,10,237,162,32,225,21,32,222,195,15,3,
+	237,162,123,230,96,194,21,3,62,48,211,82,
+	62,1,211,82,175,211,82,237,91,150,10,43,
+	55,237,82,218,19,3,34,152,10,98,107,58,
+	154,10,190,32,81,62,1,50,158,10,35,35,
+	62,132,190,32,44,54,133,43,70,58,154,10,
+	119,43,112,17,3,0,205,137,3,62,16,211,
+	82,62,56,211,82,205,217,1,42,150,10,14,
+	83,17,98,2,67,20,58,178,1,95,195,59,
+	2,62,129,190,194,227,2,54,130,43,70,58,
+	154,10,119,43,112,17,3,0,205,137,3,195,
+	254,2,35,35,126,254,132,194,227,2,205,61,
+	3,24,20,62,128,166,194,222,2,221,229,221,
+	33,175,10,205,93,6,205,144,7,221,225,225,
+	209,193,241,251,237,77,221,229,221,33,159,10,
+	205,93,6,221,225,205,61,3,195,247,2,24,
+	237,24,235,24,233,230,64,40,2,24,227,24,
+	225,175,50,179,10,205,208,1,201,197,33,4,
+	0,57,126,35,102,111,205,51,3,193,201,62,
+	1,50,179,10,34,150,10,54,0,58,179,10,
+	183,200,62,14,211,82,62,193,211,82,62,10,
+	211,82,62,224,211,82,62,6,211,82,58,154,
+	10,211,82,62,16,211,82,62,56,211,82,62,
+	48,211,82,219,82,230,1,40,4,219,83,24,
+	242,62,14,211,82,62,33,211,82,62,1,211,
+	82,62,9,211,82,62,32,211,82,205,217,1,
+	201,14,83,205,208,1,24,23,14,83,205,208,
+	1,205,226,1,58,174,1,61,32,253,205,244,
+	1,58,174,1,61,32,253,205,226,1,58,175,
+	1,61,32,253,62,5,211,82,62,233,211,82,
+	62,128,211,82,58,176,1,61,32,253,237,163,
+	27,62,192,211,82,219,82,230,4,40,250,237,
+	163,27,122,179,32,243,219,82,230,4,40,250,
+	58,178,1,71,219,82,230,4,40,3,5,32,
+	247,219,82,230,4,40,250,205,235,1,58,177,
+	1,61,32,253,205,244,1,201,229,213,35,35,
+	126,230,128,194,145,4,43,58,154,10,119,43,
+	70,33,181,10,119,43,112,17,3,0,243,62,
+	10,211,82,219,82,230,128,202,41,4,209,225,
+	62,1,55,251,201,205,144,3,58,180,10,254,
+	255,202,127,4,205,217,1,58,178,1,71,219,
+	82,230,1,32,6,5,32,247,195,173,4,219,
+	83,71,58,154,10,184,194,173,4,58,178,1,
+	71,219,82,230,1,32,6,5,32,247,195,173,
+	4,219,83,58,178,1,71,219,82,230,1,32,
+	6,5,32,247,195,173,4,219,83,254,133,194,
+	173,4,58,179,1,24,4,58,179,1,135,61,
+	32,253,209,225,205,137,3,205,61,3,183,251,
+	201,209,225,243,62,10,211,82,219,82,230,128,
+	202,164,4,62,1,55,251,201,205,144,3,205,
+	61,3,183,251,201,209,225,62,2,55,251,201,
+	243,62,14,211,82,62,33,211,82,251,201,33,
+	4,0,57,94,35,86,33,2,0,57,126,35,
+	102,111,221,229,34,193,10,237,83,195,10,221,
+	33,171,10,205,93,6,58,185,10,50,186,10,
+	58,184,10,135,50,184,10,205,112,6,254,3,
+	56,16,58,185,10,135,60,230,15,50,185,10,
+	175,50,184,10,24,23,58,183,10,205,112,6,
+	254,3,48,13,58,185,10,203,63,50,185,10,
+	62,255,50,183,10,58,185,10,50,186,10,58,
+	183,10,135,50,183,10,62,32,50,187,10,50,
+	188,10,6,255,219,82,230,16,32,3,5,32,
+	247,205,180,4,6,40,219,82,230,16,40,3,
+	5,32,247,62,10,211,82,219,82,230,128,194,
+	46,5,219,82,230,16,40,214,237,95,71,58,
+	186,10,160,230,15,40,32,71,14,10,62,10,
+	211,82,219,82,230,128,202,119,5,205,180,4,
+	195,156,5,219,82,230,16,202,156,5,13,32,
+	229,16,225,42,193,10,237,91,195,10,205,252,
+	3,48,7,61,202,156,5,195,197,5,221,225,
+	33,0,0,201,221,33,163,10,205,93,6,58,
+	188,10,61,50,188,10,40,19,58,186,10,246,
+	1,50,186,10,58,183,10,246,1,50,183,10,
+	195,46,5,221,225,33,1,0,201,221,33,167,
+	10,205,93,6,58,184,10,246,1,50,184,10,
+	58,186,10,135,246,1,50,186,10,58,187,10,
+	61,50,187,10,194,46,5,221,225,33,2,0,
+	201,221,229,33,0,0,57,17,4,0,25,126,
+	50,154,10,230,128,50,189,10,58,189,10,183,
+	40,6,221,33,88,2,24,4,221,33,150,0,
+	58,154,10,183,40,49,60,40,46,61,33,190,
+	10,119,35,119,35,54,129,175,50,158,10,221,
+	43,221,229,225,124,181,40,42,33,190,10,17,
+	3,0,205,206,4,17,232,3,27,123,178,32,
+	251,58,158,10,183,40,224,58,154,10,71,62,
+	7,128,230,127,71,58,189,10,176,50,154,10,
+	24,166,221,225,201,183,221,52,0,192,221,52,
+	1,192,221,52,2,192,221,52,3,192,55,201,
+	6,8,14,0,31,48,1,12,16,250,121,201,
+	33,2,0,57,94,35,86,35,78,35,70,35,
+	126,35,102,105,79,120,68,103,237,176,201,33,
+	2,0,57,126,35,102,111,62,17,237,57,48,
+	125,237,57,40,124,237,57,41,62,0,237,57,
+	42,62,64,237,57,43,62,0,237,57,44,33,
+	128,2,125,237,57,46,124,237,57,47,62,145,
+	237,57,48,211,68,58,149,10,211,66,201,33,
+	2,0,57,126,35,102,111,62,33,237,57,48,
+	62,64,237,57,32,62,0,237,57,33,237,57,
+	34,125,237,57,35,124,237,57,36,62,0,237,
+	57,37,33,128,2,125,237,57,38,124,237,57,
+	39,62,97,237,57,48,211,67,58,149,10,211,
+	66,201,237,56,46,95,237,56,47,87,237,56,
+	46,111,237,56,47,103,183,237,82,32,235,33,
+	128,2,183,237,82,201,237,56,38,95,237,56,
+	39,87,237,56,38,111,237,56,39,103,183,237,
+	82,32,235,33,128,2,183,237,82,201,205,106,
+	10,221,110,6,221,102,7,126,35,110,103,195,
+	118,10,205,106,10,33,0,0,34,205,10,34,
+	198,10,34,200,10,33,143,15,34,207,10,237,
+	91,207,10,42,146,10,183,237,82,17,0,255,
+	25,34,203,10,203,124,40,6,33,0,125,34,
+	203,10,42,207,10,229,205,37,3,195,118,10,
+	205,106,10,229,42,150,10,35,35,35,229,205,
+	70,7,193,124,230,3,103,221,117,254,221,116,
+	255,237,91,152,10,35,35,35,183,237,82,32,
+	12,17,5,0,42,152,10,205,91,10,242,203,
+	7,42,150,10,229,205,37,3,195,118,10,237,
+	91,152,10,42,200,10,25,34,200,10,42,205,
+	10,25,34,205,10,237,91,203,10,33,158,253,
+	25,237,91,205,10,205,91,10,242,245,7,33,
+	0,0,34,205,10,62,1,50,197,10,205,5,
+	8,33,0,0,57,249,195,118,10,205,106,10,
+	58,197,10,183,202,118,10,237,91,198,10,42,
+	205,10,205,91,10,242,46,8,237,91,205,10,
+	33,98,2,25,237,91,198,10,205,91,10,250,
+	78,8,237,91,198,10,42,205,10,183,237,82,
+	32,7,42,200,10,125,180,40,13,237,91,205,
+	10,42,198,10,205,91,10,242,97,8,237,91,
+	207,10,42,205,10,25,229,205,37,3,175,50,
+	197,10,195,118,10,205,29,3,33,0,0,57,
+	249,195,118,10,205,106,10,58,202,10,183,40,
+	22,205,14,7,237,91,209,10,19,19,19,205,
+	91,10,242,139,8,33,1,0,195,118,10,33,
+	0,0,195,118,10,205,126,10,252,255,205,108,
+	8,125,180,194,118,10,237,91,200,10,33,0,
+	0,205,91,10,242,118,10,237,91,207,10,42,
+	198,10,25,221,117,254,221,116,255,35,35,35,
+	229,205,70,7,193,124,230,3,103,35,35,35,
+	221,117,252,221,116,253,229,221,110,254,221,102,
+	255,229,33,212,10,229,205,124,6,193,193,221,
+	110,252,221,102,253,34,209,10,33,211,10,54,
+	4,33,209,10,227,205,147,6,193,62,1,50,
+	202,10,243,221,94,252,221,86,253,42,200,10,
+	183,237,82,34,200,10,203,124,40,17,33,0,
+	0,34,200,10,34,205,10,34,198,10,50,197,
+	10,24,37,221,94,252,221,86,253,42,198,10,
+	25,34,198,10,237,91,203,10,33,158,253,25,
+	237,91,198,10,205,91,10,242,68,9,33,0,
+	0,34,198,10,205,5,8,33,0,0,57,249,
+	251,195,118,10,205,106,10,33,49,13,126,183,
+	40,16,205,42,7,237,91,47,13,19,19,19,
+	205,91,10,242,117,9,58,142,15,198,1,50,
+	142,15,195,118,10,33,49,13,126,254,1,40,
+	25,254,3,202,7,10,254,5,202,21,10,33,
+	49,13,54,0,33,47,13,229,205,207,6,195,
+	118,10,58,141,15,183,32,72,33,51,13,126,
+	50,149,10,205,86,7,33,50,13,126,230,127,
+	183,32,40,58,142,15,230,127,50,142,15,183,
+	32,5,198,1,50,142,15,33,50,13,126,111,
+	23,159,103,203,125,58,142,15,40,5,198,128,
+	50,142,15,33,50,13,119,33,50,13,126,111,
+	23,159,103,229,205,237,5,193,33,211,10,54,
+	2,33,2,0,34,209,10,58,154,10,33,212,
+	10,119,58,148,10,33,213,10,119,33,209,10,
+	229,205,147,6,193,24,128,42,47,13,229,33,
+	50,13,229,205,191,4,193,24,239,33,211,10,
+	54,6,33,3,0,34,209,10,58,154,10,33,
+	212,10,119,58,148,10,33,213,10,119,33,214,
+	10,54,5,33,209,10,229,205,147,6,24,200,
+	205,106,10,33,49,13,54,0,33,47,13,229,
+	205,207,6,33,209,10,227,205,147,6,193,205,
+	80,9,205,145,8,24,248,124,170,250,99,10,
+	237,82,201,124,230,128,237,82,60,201,225,253,
+	229,221,229,221,33,0,0,221,57,233,221,249,
+	221,225,253,225,201,233,225,253,229,221,229,221,
+	33,0,0,221,57,94,35,86,35,235,57,249,
+	235,233,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0,0,0,0,0,0,0,0,
+	0,0,0,0,0
+	} ;
+
+#endif
diff --git a/drivers/net/appletalk/ipddp.c b/drivers/net/appletalk/ipddp.c
new file mode 100644
index 0000000..1a44a79
--- /dev/null
+++ b/drivers/net/appletalk/ipddp.c
@@ -0,0 +1,317 @@
+/*
+ *	ipddp.c: IP to Appletalk-IP Encapsulation driver for Linux
+ *		 Appletalk-IP to IP Decapsulation driver for Linux
+ *
+ *	Authors:
+ *      - DDP-IP Encap by: Bradford W. Johnson <johns393@maroon.tc.umn.edu>
+ *	- DDP-IP Decap by: Jay Schulist <jschlst@samba.org>
+ *
+ *	Derived from:
+ *	- Almost all code already existed in net/appletalk/ddp.c I just
+ *	  moved/reorginized it into a driver file. Original IP-over-DDP code
+ *	  was done by Bradford W. Johnson <johns393@maroon.tc.umn.edu>
+ *      - skeleton.c: A network driver outline for linux.
+ *        Written 1993-94 by Donald Becker.
+ *	- dummy.c: A dummy net driver. By Nick Holloway.
+ *	- MacGate: A user space Daemon for Appletalk-IP Decap for
+ *	  Linux by Jay Schulist <jschlst@samba.org>
+ *
+ *      Copyright 1993 United States Government as represented by the
+ *      Director, National Security Agency.
+ *
+ *      This software may be used and distributed according to the terms
+ *      of the GNU General Public License, incorporated herein by reference.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ip.h>
+#include <linux/atalk.h>
+#include <linux/if_arp.h>
+#include <net/route.h>
+#include <asm/uaccess.h>
+
+#include "ipddp.h"		/* Our stuff */
+
+static const char version[] = KERN_INFO "ipddp.c:v0.01 8/28/97 Bradford W. Johnson <johns393@maroon.tc.umn.edu>\n";
+
+static struct ipddp_route *ipddp_route_list;
+
+#ifdef CONFIG_IPDDP_ENCAP
+static int ipddp_mode = IPDDP_ENCAP;
+#else
+static int ipddp_mode = IPDDP_DECAP;
+#endif
+
+/* Index to functions, as function prototypes. */
+static int ipddp_xmit(struct sk_buff *skb, struct net_device *dev);
+static struct net_device_stats *ipddp_get_stats(struct net_device *dev);
+static int ipddp_create(struct ipddp_route *new_rt);
+static int ipddp_delete(struct ipddp_route *rt);
+static struct ipddp_route* ipddp_find_route(struct ipddp_route *rt);
+static int ipddp_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd);
+
+
+static struct net_device * __init ipddp_init(void)
+{
+	static unsigned version_printed;
+	struct net_device *dev;
+	int err;
+
+	dev = alloc_etherdev(sizeof(struct net_device_stats));
+	if (!dev)
+		return ERR_PTR(-ENOMEM);
+
+	SET_MODULE_OWNER(dev);
+	strcpy(dev->name, "ipddp%d");
+
+	if (version_printed++ == 0)
+                printk(version);
+
+	/* Initalize the device structure. */
+        dev->hard_start_xmit = ipddp_xmit;
+        dev->get_stats      = ipddp_get_stats;
+        dev->do_ioctl       = ipddp_ioctl;
+
+        dev->type = ARPHRD_IPDDP;       	/* IP over DDP tunnel */
+        dev->mtu = 585;
+        dev->flags |= IFF_NOARP;
+
+        /*
+         *      The worst case header we will need is currently a
+         *      ethernet header (14 bytes) and a ddp header (sizeof ddpehdr+1)
+         *      We send over SNAP so that takes another 8 bytes.
+         */
+        dev->hard_header_len = 14+8+sizeof(struct ddpehdr)+1;
+
+	err = register_netdev(dev);
+	if (err) {
+		free_netdev(dev);
+		return ERR_PTR(err);
+	}
+
+	/* Let the user now what mode we are in */
+	if(ipddp_mode == IPDDP_ENCAP)
+		printk("%s: Appletalk-IP Encap. mode by Bradford W. Johnson <johns393@maroon.tc.umn.edu>\n", 
+			dev->name);
+	if(ipddp_mode == IPDDP_DECAP)
+		printk("%s: Appletalk-IP Decap. mode by Jay Schulist <jschlst@samba.org>\n", 
+			dev->name);
+
+        return dev;
+}
+
+/*
+ * Get the current statistics. This may be called with the card open or closed.
+ */
+static struct net_device_stats *ipddp_get_stats(struct net_device *dev)
+{
+        return dev->priv;
+}
+
+/*
+ * Transmit LLAP/ELAP frame using aarp_send_ddp.
+ */
+static int ipddp_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	u32 paddr = ((struct rtable*)skb->dst)->rt_gateway;
+        struct ddpehdr *ddp;
+        struct ipddp_route *rt;
+        struct atalk_addr *our_addr;
+
+	/*
+         * Find appropriate route to use, based only on IP number.
+         */
+        for(rt = ipddp_route_list; rt != NULL; rt = rt->next)
+        {
+                if(rt->ip == paddr)
+                        break;
+        }
+        if(rt == NULL)
+                return 0;
+
+        our_addr = atalk_find_dev_addr(rt->dev);
+
+	if(ipddp_mode == IPDDP_DECAP)
+		/* 
+		 * Pull off the excess room that should not be there.
+		 * This is due to a hard-header problem. This is the
+		 * quick fix for now though, till it breaks.
+		 */
+		skb_pull(skb, 35-(sizeof(struct ddpehdr)+1));
+
+	/* Create the Extended DDP header */
+	ddp = (struct ddpehdr *)skb->data;
+        ddp->deh_len = skb->len;
+        ddp->deh_hops = 1;
+        ddp->deh_pad = 0;
+        ddp->deh_sum = 0;
+
+	/*
+         * For Localtalk we need aarp_send_ddp to strip the
+         * long DDP header and place a shot DDP header on it.
+         */
+        if(rt->dev->type == ARPHRD_LOCALTLK)
+        {
+                ddp->deh_dnet  = 0;   /* FIXME more hops?? */
+                ddp->deh_snet  = 0;
+        }
+        else
+        {
+                ddp->deh_dnet  = rt->at.s_net;   /* FIXME more hops?? */
+                ddp->deh_snet  = our_addr->s_net;
+        }
+        ddp->deh_dnode = rt->at.s_node;
+        ddp->deh_snode = our_addr->s_node;
+        ddp->deh_dport = 72;
+        ddp->deh_sport = 72;
+
+        *((__u8 *)(ddp+1)) = 22;        	/* ddp type = IP */
+        *((__u16 *)ddp)=ntohs(*((__u16 *)ddp));	/* fix up length field */
+
+        skb->protocol = htons(ETH_P_ATALK);     /* Protocol has changed */
+
+	((struct net_device_stats *) dev->priv)->tx_packets++;
+        ((struct net_device_stats *) dev->priv)->tx_bytes+=skb->len;
+
+        if(aarp_send_ddp(rt->dev, skb, &rt->at, NULL) < 0)
+                dev_kfree_skb(skb);
+
+        return 0;
+}
+
+/*
+ * Create a routing entry. We first verify that the
+ * record does not already exist. If it does we return -EEXIST
+ */
+static int ipddp_create(struct ipddp_route *new_rt)
+{
+        struct ipddp_route *rt =(struct ipddp_route*) kmalloc(sizeof(*rt), GFP_KERNEL);
+
+        if (rt == NULL)
+                return -ENOMEM;
+
+        rt->ip = new_rt->ip;
+        rt->at = new_rt->at;
+        rt->next = NULL;
+        if ((rt->dev = atrtr_get_dev(&rt->at)) == NULL) {
+		kfree(rt);
+                return -ENETUNREACH;
+        }
+
+	if (ipddp_find_route(rt)) {
+		kfree(rt);
+		return -EEXIST;
+	}
+
+        rt->next = ipddp_route_list;
+        ipddp_route_list = rt;
+
+        return 0;
+}
+
+/*
+ * Delete a route, we only delete a FULL match.
+ * If route does not exist we return -ENOENT.
+ */
+static int ipddp_delete(struct ipddp_route *rt)
+{
+        struct ipddp_route **r = &ipddp_route_list;
+        struct ipddp_route *tmp;
+
+        while((tmp = *r) != NULL)
+        {
+                if(tmp->ip == rt->ip
+                        && tmp->at.s_net == rt->at.s_net
+                        && tmp->at.s_node == rt->at.s_node)
+                {
+                        *r = tmp->next;
+                        kfree(tmp);
+                        return 0;
+                }
+                r = &tmp->next;
+        }
+
+        return (-ENOENT);
+}
+
+/*
+ * Find a routing entry, we only return a FULL match
+ */
+static struct ipddp_route* ipddp_find_route(struct ipddp_route *rt)
+{
+        struct ipddp_route *f;
+
+        for(f = ipddp_route_list; f != NULL; f = f->next)
+        {
+                if(f->ip == rt->ip
+                        && f->at.s_net == rt->at.s_net
+                        && f->at.s_node == rt->at.s_node)
+                        return (f);
+        }
+
+        return (NULL);
+}
+
+static int ipddp_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+        struct ipddp_route __user *rt = ifr->ifr_data;
+        struct ipddp_route rcp;
+
+        if(!capable(CAP_NET_ADMIN))
+                return -EPERM;
+
+	if(copy_from_user(&rcp, rt, sizeof(rcp)))
+		return -EFAULT;
+
+        switch(cmd)
+        {
+		case SIOCADDIPDDPRT:
+                        return (ipddp_create(&rcp));
+
+                case SIOCFINDIPDDPRT:
+                        if(copy_to_user(rt, ipddp_find_route(&rcp), sizeof(struct ipddp_route)))
+                                return -EFAULT;
+                        return 0;
+
+                case SIOCDELIPDDPRT:
+                        return (ipddp_delete(&rcp));
+
+                default:
+                        return -EINVAL;
+        }
+}
+
+static struct net_device *dev_ipddp;
+
+MODULE_LICENSE("GPL");
+module_param(ipddp_mode, int, 0);
+
+static int __init ipddp_init_module(void)
+{
+	dev_ipddp = ipddp_init();
+        if (IS_ERR(dev_ipddp))
+                return PTR_ERR(dev_ipddp);
+	return 0;
+}
+
+static void __exit ipddp_cleanup_module(void)
+{
+        struct ipddp_route *p;
+
+	unregister_netdev(dev_ipddp);
+        free_netdev(dev_ipddp);
+
+        while (ipddp_route_list) {
+                p = ipddp_route_list->next;
+                kfree(ipddp_route_list);
+                ipddp_route_list = p;
+        }
+}
+
+module_init(ipddp_init_module);
+module_exit(ipddp_cleanup_module);
diff --git a/drivers/net/appletalk/ipddp.h b/drivers/net/appletalk/ipddp.h
new file mode 100644
index 0000000..52072fb
--- /dev/null
+++ b/drivers/net/appletalk/ipddp.h
@@ -0,0 +1,27 @@
+/*
+ *	ipddp.h: Header for IP-over-DDP driver for Linux.
+ */
+
+#ifndef __LINUX_IPDDP_H
+#define __LINUX_IPDDP_H
+
+#ifdef __KERNEL__
+
+#define SIOCADDIPDDPRT   (SIOCDEVPRIVATE)
+#define SIOCDELIPDDPRT   (SIOCDEVPRIVATE+1)
+#define SIOCFINDIPDDPRT  (SIOCDEVPRIVATE+2)
+
+struct ipddp_route
+{
+        struct net_device *dev;             /* Carrier device */
+        __u32 ip;                       /* IP address */
+        struct atalk_addr at;              /* Gateway appletalk address */
+        int flags;
+        struct ipddp_route *next;
+};
+
+#define IPDDP_ENCAP	1
+#define IPDDP_DECAP	2
+
+#endif	/* __KERNEL__ */
+#endif	/* __LINUX_IPDDP_H */
diff --git a/drivers/net/appletalk/ltpc.c b/drivers/net/appletalk/ltpc.c
new file mode 100644
index 0000000..ad8e943
--- /dev/null
+++ b/drivers/net/appletalk/ltpc.c
@@ -0,0 +1,1313 @@
+/***    ltpc.c -- a driver for the LocalTalk PC card.
+ *
+ *      Copyright (c) 1995,1996 Bradford W. Johnson <johns393@maroon.tc.umn.edu>
+ *
+ *      This software may be used and distributed according to the terms
+ *      of the GNU General Public License, incorporated herein by reference.
+ *
+ *      This is ALPHA code at best.  It may not work for you.  It may
+ *      damage your equipment.  It may damage your relations with other
+ *      users of your network.  Use it at your own risk!
+ *
+ *      Based in part on:
+ *      skeleton.c      by Donald Becker
+ *      dummy.c         by Nick Holloway and Alan Cox
+ *      loopback.c      by Ross Biro, Fred van Kampen, Donald Becker
+ *      the netatalk source code (UMICH)
+ *      lots of work on the card...
+ *
+ *      I do not have access to the (proprietary) SDK that goes with the card.
+ *      If you do, I don't want to know about it, and you can probably write
+ *      a better driver yourself anyway.  This does mean that the pieces that
+ *      talk to the card are guesswork on my part, so use at your own risk!
+ *
+ *      This is my first try at writing Linux networking code, and is also
+ *      guesswork.  Again, use at your own risk!  (Although on this part, I'd
+ *      welcome suggestions)
+ *
+ *      This is a loadable kernel module which seems to work at my site
+ *      consisting of a 1.2.13 linux box running netatalk 1.3.3, and with
+ *      the kernel support from 1.3.3b2 including patches routing.patch
+ *      and ddp.disappears.from.chooser.  In order to run it, you will need
+ *      to patch ddp.c and aarp.c in the kernel, but only a little...
+ *
+ *      I'm fairly confident that while this is arguably badly written, the
+ *      problems that people experience will be "higher level", that is, with
+ *      complications in the netatalk code.  The driver itself doesn't do
+ *      anything terribly complicated -- it pretends to be an ether device
+ *      as far as netatalk is concerned, strips the DDP data out of the ether
+ *      frame and builds a LLAP packet to send out the card.  In the other
+ *      direction, it receives LLAP frames from the card and builds a fake
+ *      ether packet that it then tosses up to the networking code.  You can
+ *      argue (correctly) that this is an ugly way to do things, but it
+ *      requires a minimal amount of fooling with the code in ddp.c and aarp.c.
+ *
+ *      The card will do a lot more than is used here -- I *think* it has the
+ *      layers up through ATP.  Even if you knew how that part works (which I
+ *      don't) it would be a big job to carve up the kernel ddp code to insert
+ *      things at a higher level, and probably a bad idea...
+ *
+ *      There are a number of other cards that do LocalTalk on the PC.  If
+ *      nobody finds any insurmountable (at the netatalk level) problems
+ *      here, this driver should encourage people to put some work into the
+ *      other cards (some of which I gather are still commercially available)
+ *      and also to put hooks for LocalTalk into the official ddp code.
+ *
+ *      I welcome comments and suggestions.  This is my first try at Linux
+ *      networking stuff, and there are probably lots of things that I did
+ *      suboptimally.  
+ *
+ ***/
+
+/***
+ *
+ * $Log: ltpc.c,v $
+ * Revision 1.1.2.1  2000/03/01 05:35:07  jgarzik
+ * at and tr cleanup
+ *
+ * Revision 1.8  1997/01/28 05:44:54  bradford
+ * Clean up for non-module a little.
+ * Hacked about a bit to clean things up - Alan Cox 
+ * Probably broken it from the origina 1.8
+ *
+
+ * 1998/11/09: David Huggins-Daines <dhd@debian.org>
+ * Cleaned up the initialization code to use the standard autoirq methods,
+   and to probe for things in the standard order of i/o, irq, dma.  This
+   removes the "reset the reset" hack, because I couldn't figure out an
+   easy way to get the card to trigger an interrupt after it.
+ * Added support for passing configuration parameters on the kernel command
+   line and through insmod
+ * Changed the device name from "ltalk0" to "lt0", both to conform with the
+   other localtalk driver, and to clear up the inconsistency between the
+   module and the non-module versions of the driver :-)
+ * Added a bunch of comments (I was going to make some enums for the state
+   codes and the register offsets, but I'm still not sure exactly what their
+   semantics are)
+ * Don't poll anymore in interrupt-driven mode
+ * It seems to work as a module now (as of 2.1.127), but I don't think
+   I'm responsible for that...
+
+ *
+ * Revision 1.7  1996/12/12 03:42:33  bradford
+ * DMA alloc cribbed from 3c505.c.
+ *
+ * Revision 1.6  1996/12/12 03:18:58  bradford
+ * Added virt_to_bus; works in 2.1.13.
+ *
+ * Revision 1.5  1996/12/12 03:13:22  root
+ * xmitQel initialization -- think through better though.
+ *
+ * Revision 1.4  1996/06/18 14:55:55  root
+ * Change names to ltpc. Tabs. Took a shot at dma alloc,
+ * although more needs to be done eventually.
+ *
+ * Revision 1.3  1996/05/22 14:59:39  root
+ * Change dev->open, dev->close to track dummy.c in 1.99.(around 7)
+ *
+ * Revision 1.2  1996/05/22 14:58:24  root
+ * Change tabs mostly.
+ *
+ * Revision 1.1  1996/04/23 04:45:09  root
+ * Initial revision
+ *
+ * Revision 0.16  1996/03/05 15:59:56  root
+ * Change ARPHRD_LOCALTLK definition to the "real" one.
+ *
+ * Revision 0.15  1996/03/05 06:28:30  root
+ * Changes for kernel 1.3.70.  Still need a few patches to kernel, but
+ * it's getting closer.
+ *
+ * Revision 0.14  1996/02/25 17:38:32  root
+ * More cleanups.  Removed query to card on get_stats.
+ *
+ * Revision 0.13  1996/02/21  16:27:40  root
+ * Refix debug_print_skb.  Fix mac.raw gotcha that appeared in 1.3.65.
+ * Clean up receive code a little.
+ *
+ * Revision 0.12  1996/02/19  16:34:53  root
+ * Fix debug_print_skb.  Kludge outgoing snet to 0 when using startup
+ * range.  Change debug to mask: 1 for verbose, 2 for higher level stuff
+ * including packet printing, 4 for lower level (card i/o) stuff.
+ *
+ * Revision 0.11  1996/02/12  15:53:38  root
+ * Added router sends (requires new aarp.c patch)
+ *
+ * Revision 0.10  1996/02/11  00:19:35  root
+ * Change source LTALK_LOGGING debug switch to insmod ... debug=2.
+ *
+ * Revision 0.9  1996/02/10  23:59:35  root
+ * Fixed those fixes for 1.2 -- DANGER!  The at.h that comes with netatalk
+ * has a *different* definition of struct sockaddr_at than the Linux kernel
+ * does.  This is an "insidious and invidious" bug...
+ * (Actually the preceding comment is false -- it's the atalk.h in the
+ * ancient atalk-0.06 that's the problem)
+ *
+ * Revision 0.8  1996/02/10 19:09:00  root
+ * Merge 1.3 changes.  Tested OK under 1.3.60.
+ *
+ * Revision 0.7  1996/02/10 17:56:56  root
+ * Added debug=1 parameter on insmod for debugging prints.  Tried
+ * to fix timer unload on rmmod, but I don't think that's the problem.
+ *
+ * Revision 0.6  1995/12/31  19:01:09  root
+ * Clean up rmmod, irq comments per feedback from Corin Anderson (Thanks Corey!)
+ * Clean up initial probing -- sometimes the card wakes up latched in reset.
+ *
+ * Revision 0.5  1995/12/22  06:03:44  root
+ * Added comments in front and cleaned up a bit.
+ * This version sent out to people.
+ *
+ * Revision 0.4  1995/12/18  03:46:44  root
+ * Return shortDDP to longDDP fake to 0/0.  Added command structs.
+ *
+ ***/
+
+/* ltpc jumpers are:
+*
+*	Interrupts -- set at most one.  If none are set, the driver uses
+*	polled mode.  Because the card was developed in the XT era, the
+*	original documentation refers to IRQ2.  Since you'll be running
+*	this on an AT (or later) class machine, that really means IRQ9.
+*
+*	SW1	IRQ 4
+*	SW2	IRQ 3
+*	SW3	IRQ 9 (2 in original card documentation only applies to XT)
+*
+*
+*	DMA -- choose DMA 1 or 3, and set both corresponding switches.
+*
+*	SW4	DMA 3
+*	SW5	DMA 1
+*	SW6	DMA 3
+*	SW7	DMA 1
+*
+*
+*	I/O address -- choose one.  
+*
+*	SW8	220 / 240
+*/
+
+/*	To have some stuff logged, do 
+*	insmod ltpc.o debug=1
+*
+*	For a whole bunch of stuff, use higher numbers.
+*
+*	The default is 0, i.e. no messages except for the probe results.
+*/
+
+/* insmod-tweakable variables */
+static int debug;
+#define DEBUG_VERBOSE 1
+#define DEBUG_UPPER 2
+#define DEBUG_LOWER 4
+
+static int io;
+static int irq;
+static int dma;
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/fcntl.h>
+#include <linux/interrupt.h>
+#include <linux/ptrace.h>
+#include <linux/ioport.h>
+#include <linux/spinlock.h>
+#include <linux/in.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/if_ltalk.h>
+#include <linux/delay.h>
+#include <linux/timer.h>
+#include <linux/atalk.h>
+#include <linux/bitops.h>
+
+#include <asm/system.h>
+#include <asm/dma.h>
+#include <asm/io.h>
+
+/* our stuff */
+#include "ltpc.h"
+
+static DEFINE_SPINLOCK(txqueue_lock);
+static DEFINE_SPINLOCK(mbox_lock);
+
+/* function prototypes */
+static int do_read(struct net_device *dev, void *cbuf, int cbuflen,
+	void *dbuf, int dbuflen);
+static int sendup_buffer (struct net_device *dev);
+
+/* Dma Memory related stuff, cribbed directly from 3c505.c */
+
+static unsigned long dma_mem_alloc(int size)
+{
+        int order = get_order(size);
+
+        return __get_dma_pages(GFP_KERNEL, order);
+}
+
+/* DMA data buffer, DMA command buffer */
+static unsigned char *ltdmabuf;
+static unsigned char *ltdmacbuf;
+
+/* private struct, holds our appletalk address */
+
+struct ltpc_private
+{
+	struct net_device_stats stats;
+	struct atalk_addr my_addr;
+};
+
+/* transmit queue element struct */
+
+struct xmitQel {
+	struct xmitQel *next;
+	/* command buffer */
+	unsigned char *cbuf;
+	short cbuflen;
+	/* data buffer */
+	unsigned char *dbuf;
+	short dbuflen;
+	unsigned char QWrite;	/* read or write data */
+	unsigned char mailbox;
+};
+
+/* the transmit queue itself */
+
+static struct xmitQel *xmQhd, *xmQtl;
+
+static void enQ(struct xmitQel *qel)
+{
+	unsigned long flags;
+	qel->next = NULL;
+	
+	spin_lock_irqsave(&txqueue_lock, flags);
+	if (xmQtl) {
+		xmQtl->next = qel;
+	} else {
+		xmQhd = qel;
+	}
+	xmQtl = qel;
+	spin_unlock_irqrestore(&txqueue_lock, flags);
+
+	if (debug & DEBUG_LOWER)
+		printk("enqueued a 0x%02x command\n",qel->cbuf[0]);
+}
+
+static struct xmitQel *deQ(void)
+{
+	unsigned long flags;
+	int i;
+	struct xmitQel *qel=NULL;
+	
+	spin_lock_irqsave(&txqueue_lock, flags);
+	if (xmQhd) {
+		qel = xmQhd;
+		xmQhd = qel->next;
+		if(!xmQhd) xmQtl = NULL;
+	}
+	spin_unlock_irqrestore(&txqueue_lock, flags);
+
+	if ((debug & DEBUG_LOWER) && qel) {
+		int n;
+		printk(KERN_DEBUG "ltpc: dequeued command ");
+		n = qel->cbuflen;
+		if (n>100) n=100;
+		for(i=0;i<n;i++) printk("%02x ",qel->cbuf[i]);
+		printk("\n");
+	}
+
+	return qel;
+}
+
+/* and... the queue elements we'll be using */
+static struct xmitQel qels[16];
+
+/* and their corresponding mailboxes */
+static unsigned char mailbox[16];
+static unsigned char mboxinuse[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
+
+static int wait_timeout(struct net_device *dev, int c)
+{
+	/* returns true if it stayed c */
+	/* this uses base+6, but it's ok */
+	int i;
+
+	/* twenty second or so total */
+
+	for(i=0;i<200000;i++) {
+		if ( c != inb_p(dev->base_addr+6) ) return 0;
+		udelay(100);
+	}
+	return 1; /* timed out */
+}
+
+/* get the first free mailbox */
+
+static int getmbox(void)
+{
+	unsigned long flags;
+	int i;
+
+	spin_lock_irqsave(&mbox_lock, flags);
+	for(i=1;i<16;i++) if(!mboxinuse[i]) {
+		mboxinuse[i]=1;
+		spin_unlock_irqrestore(&mbox_lock, flags);
+		return i;
+	}
+	spin_unlock_irqrestore(&mbox_lock, flags);
+	return 0;
+}
+
+/* read a command from the card */
+static void handlefc(struct net_device *dev)
+{
+	/* called *only* from idle, non-reentrant */
+	int dma = dev->dma;
+	int base = dev->base_addr;
+	unsigned long flags;
+
+
+	flags=claim_dma_lock();
+	disable_dma(dma);
+	clear_dma_ff(dma);
+	set_dma_mode(dma,DMA_MODE_READ);
+	set_dma_addr(dma,virt_to_bus(ltdmacbuf));
+	set_dma_count(dma,50);
+	enable_dma(dma);
+	release_dma_lock(flags);
+
+	inb_p(base+3);
+	inb_p(base+2);
+
+	if ( wait_timeout(dev,0xfc) ) printk("timed out in handlefc\n");
+}
+
+/* read data from the card */
+static void handlefd(struct net_device *dev)
+{
+	int dma = dev->dma;
+	int base = dev->base_addr;
+	unsigned long flags;
+
+	flags=claim_dma_lock();
+	disable_dma(dma);
+	clear_dma_ff(dma);
+	set_dma_mode(dma,DMA_MODE_READ);
+	set_dma_addr(dma,virt_to_bus(ltdmabuf));
+	set_dma_count(dma,800);
+	enable_dma(dma);
+	release_dma_lock(flags);
+
+	inb_p(base+3);
+	inb_p(base+2);
+
+	if ( wait_timeout(dev,0xfd) ) printk("timed out in handlefd\n");
+	sendup_buffer(dev);
+} 
+
+static void handlewrite(struct net_device *dev)
+{
+	/* called *only* from idle, non-reentrant */
+	/* on entry, 0xfb and ltdmabuf holds data */
+	int dma = dev->dma;
+	int base = dev->base_addr;
+	unsigned long flags;
+	
+	flags=claim_dma_lock();
+	disable_dma(dma);
+	clear_dma_ff(dma);
+	set_dma_mode(dma,DMA_MODE_WRITE);
+	set_dma_addr(dma,virt_to_bus(ltdmabuf));
+	set_dma_count(dma,800);
+	enable_dma(dma);
+	release_dma_lock(flags);
+	
+	inb_p(base+3);
+	inb_p(base+2);
+
+	if ( wait_timeout(dev,0xfb) ) {
+		flags=claim_dma_lock();
+		printk("timed out in handlewrite, dma res %d\n",
+			get_dma_residue(dev->dma) );
+		release_dma_lock(flags);
+	}
+}
+
+static void handleread(struct net_device *dev)
+{
+	/* on entry, 0xfb */
+	/* on exit, ltdmabuf holds data */
+	int dma = dev->dma;
+	int base = dev->base_addr;
+	unsigned long flags;
+
+	
+	flags=claim_dma_lock();
+	disable_dma(dma);
+	clear_dma_ff(dma);
+	set_dma_mode(dma,DMA_MODE_READ);
+	set_dma_addr(dma,virt_to_bus(ltdmabuf));
+	set_dma_count(dma,800);
+	enable_dma(dma);
+	release_dma_lock(flags);
+
+	inb_p(base+3);
+	inb_p(base+2);
+	if ( wait_timeout(dev,0xfb) ) printk("timed out in handleread\n");
+}
+
+static void handlecommand(struct net_device *dev)
+{
+	/* on entry, 0xfa and ltdmacbuf holds command */
+	int dma = dev->dma;
+	int base = dev->base_addr;
+	unsigned long flags;
+
+	flags=claim_dma_lock();
+	disable_dma(dma);
+	clear_dma_ff(dma);
+	set_dma_mode(dma,DMA_MODE_WRITE);
+	set_dma_addr(dma,virt_to_bus(ltdmacbuf));
+	set_dma_count(dma,50);
+	enable_dma(dma);
+	release_dma_lock(flags);
+	inb_p(base+3);
+	inb_p(base+2);
+	if ( wait_timeout(dev,0xfa) ) printk("timed out in handlecommand\n");
+} 
+
+/* ready made command for getting the result from the card */
+static unsigned char rescbuf[2] = {LT_GETRESULT,0};
+static unsigned char resdbuf[2];
+
+static int QInIdle;
+
+/* idle expects to be called with the IRQ line high -- either because of
+ * an interrupt, or because the line is tri-stated
+ */
+
+static void idle(struct net_device *dev)
+{
+	unsigned long flags;
+	int state;
+	/* FIXME This is initialized to shut the warning up, but I need to
+	 * think this through again.
+	 */
+	struct xmitQel *q = NULL;
+	int oops;
+	int i;
+	int base = dev->base_addr;
+
+	spin_lock_irqsave(&txqueue_lock, flags);
+	if(QInIdle) {
+		spin_unlock_irqrestore(&txqueue_lock, flags);
+		return;
+	}
+	QInIdle = 1;
+	spin_unlock_irqrestore(&txqueue_lock, flags);
+
+	/* this tri-states the IRQ line */
+	(void) inb_p(base+6);
+
+	oops = 100;
+
+loop:
+	if (0>oops--) { 
+		printk("idle: looped too many times\n");
+		goto done;
+	}
+
+	state = inb_p(base+6);
+	if (state != inb_p(base+6)) goto loop;
+
+	switch(state) {
+		case 0xfc:
+			/* incoming command */
+			if (debug & DEBUG_LOWER) printk("idle: fc\n");
+			handlefc(dev); 
+			break;
+		case 0xfd:
+			/* incoming data */
+			if(debug & DEBUG_LOWER) printk("idle: fd\n");
+			handlefd(dev); 
+			break;
+		case 0xf9:
+			/* result ready */
+			if (debug & DEBUG_LOWER) printk("idle: f9\n");
+			if(!mboxinuse[0]) {
+				mboxinuse[0] = 1;
+				qels[0].cbuf = rescbuf;
+				qels[0].cbuflen = 2;
+				qels[0].dbuf = resdbuf;
+				qels[0].dbuflen = 2;
+				qels[0].QWrite = 0;
+				qels[0].mailbox = 0;
+				enQ(&qels[0]);
+			}
+			inb_p(dev->base_addr+1);
+			inb_p(dev->base_addr+0);
+			if( wait_timeout(dev,0xf9) )
+				printk("timed out idle f9\n");
+			break;
+		case 0xf8:
+			/* ?? */
+			if (xmQhd) {
+				inb_p(dev->base_addr+1);
+				inb_p(dev->base_addr+0);
+				if(wait_timeout(dev,0xf8) )
+					printk("timed out idle f8\n");
+			} else {
+				goto done;
+			}
+			break;
+		case 0xfa:
+			/* waiting for command */
+			if(debug & DEBUG_LOWER) printk("idle: fa\n");
+			if (xmQhd) {
+				q=deQ();
+				memcpy(ltdmacbuf,q->cbuf,q->cbuflen);
+				ltdmacbuf[1] = q->mailbox;
+				if (debug>1) { 
+					int n;
+					printk("ltpc: sent command     ");
+					n = q->cbuflen;
+					if (n>100) n=100;
+					for(i=0;i<n;i++)
+						printk("%02x ",ltdmacbuf[i]);
+					printk("\n");
+				}
+				handlecommand(dev);
+					if(0xfa==inb_p(base+6)) {
+						/* we timed out, so return */
+						goto done;
+					} 
+			} else {
+				/* we don't seem to have a command */
+				if (!mboxinuse[0]) {
+					mboxinuse[0] = 1;
+					qels[0].cbuf = rescbuf;
+					qels[0].cbuflen = 2;
+					qels[0].dbuf = resdbuf;
+					qels[0].dbuflen = 2;
+					qels[0].QWrite = 0;
+					qels[0].mailbox = 0;
+					enQ(&qels[0]);
+				} else {
+					printk("trouble: response command already queued\n");
+					goto done;
+				}
+			} 
+			break;
+		case 0Xfb:
+			/* data transfer ready */
+			if(debug & DEBUG_LOWER) printk("idle: fb\n");
+			if(q->QWrite) {
+				memcpy(ltdmabuf,q->dbuf,q->dbuflen);
+				handlewrite(dev);
+			} else {
+				handleread(dev);
+				/* non-zero mailbox numbers are for
+				   commmands, 0 is for GETRESULT
+				   requests */
+				if(q->mailbox) {
+					memcpy(q->dbuf,ltdmabuf,q->dbuflen);
+				} else { 
+					/* this was a result */
+					mailbox[ 0x0f & ltdmabuf[0] ] = ltdmabuf[1];
+					mboxinuse[0]=0;
+				}
+			}
+			break;
+	}
+	goto loop;
+
+done:
+	QInIdle=0;
+
+	/* now set the interrupts back as appropriate */
+	/* the first read takes it out of tri-state (but still high) */
+	/* the second resets it */
+	/* note that after this point, any read of base+6 will
+	   trigger an interrupt */
+
+	if (dev->irq) {
+		inb_p(base+7);
+		inb_p(base+7);
+	}
+	return;
+}
+
+
+static int do_write(struct net_device *dev, void *cbuf, int cbuflen,
+	void *dbuf, int dbuflen)
+{
+
+	int i = getmbox();
+	int ret;
+
+	if(i) {
+		qels[i].cbuf = (unsigned char *) cbuf;
+		qels[i].cbuflen = cbuflen;
+		qels[i].dbuf = (unsigned char *) dbuf;
+		qels[i].dbuflen = dbuflen;
+		qels[i].QWrite = 1;
+		qels[i].mailbox = i;  /* this should be initted rather */
+		enQ(&qels[i]);
+		idle(dev);
+		ret = mailbox[i];
+		mboxinuse[i]=0;
+		return ret;
+	}
+	printk("ltpc: could not allocate mbox\n");
+	return -1;
+}
+
+static int do_read(struct net_device *dev, void *cbuf, int cbuflen,
+	void *dbuf, int dbuflen)
+{
+
+	int i = getmbox();
+	int ret;
+
+	if(i) {
+		qels[i].cbuf = (unsigned char *) cbuf;
+		qels[i].cbuflen = cbuflen;
+		qels[i].dbuf = (unsigned char *) dbuf;
+		qels[i].dbuflen = dbuflen;
+		qels[i].QWrite = 0;
+		qels[i].mailbox = i;  /* this should be initted rather */
+		enQ(&qels[i]);
+		idle(dev);
+		ret = mailbox[i];
+		mboxinuse[i]=0;
+		return ret;
+	}
+	printk("ltpc: could not allocate mbox\n");
+	return -1;
+}
+
+/* end of idle handlers -- what should be seen is do_read, do_write */
+
+static struct timer_list ltpc_timer;
+
+static int ltpc_xmit(struct sk_buff *skb, struct net_device *dev);
+static struct net_device_stats *ltpc_get_stats(struct net_device *dev);
+
+static int read_30 ( struct net_device *dev)
+{
+	lt_command c;
+	c.getflags.command = LT_GETFLAGS;
+	return do_read(dev, &c, sizeof(c.getflags),&c,0);
+}
+
+static int set_30 (struct net_device *dev,int x)
+{
+	lt_command c;
+	c.setflags.command = LT_SETFLAGS;
+	c.setflags.flags = x;
+	return do_write(dev, &c, sizeof(c.setflags),&c,0);
+}
+
+/* LLAP to DDP translation */
+
+static int sendup_buffer (struct net_device *dev)
+{
+	/* on entry, command is in ltdmacbuf, data in ltdmabuf */
+	/* called from idle, non-reentrant */
+
+	int dnode, snode, llaptype, len; 
+	int sklen;
+	struct sk_buff *skb;
+	struct net_device_stats *stats = &((struct ltpc_private *)dev->priv)->stats;
+	struct lt_rcvlap *ltc = (struct lt_rcvlap *) ltdmacbuf;
+
+	if (ltc->command != LT_RCVLAP) {
+		printk("unknown command 0x%02x from ltpc card\n",ltc->command);
+		return(-1);
+	}
+	dnode = ltc->dnode;
+	snode = ltc->snode;
+	llaptype = ltc->laptype;
+	len = ltc->length; 
+
+	sklen = len;
+	if (llaptype == 1) 
+		sklen += 8;  /* correct for short ddp */
+	if(sklen > 800) {
+		printk(KERN_INFO "%s: nonsense length in ltpc command 0x14: 0x%08x\n",
+			dev->name,sklen);
+		return -1;
+	}
+
+	if ( (llaptype==0) || (llaptype>2) ) {
+		printk(KERN_INFO "%s: unknown LLAP type: %d\n",dev->name,llaptype);
+		return -1;
+	}
+
+
+	skb = dev_alloc_skb(3+sklen);
+	if (skb == NULL) 
+	{
+		printk("%s: dropping packet due to memory squeeze.\n",
+			dev->name);
+		return -1;
+	}
+	skb->dev = dev;
+
+	if (sklen > len)
+		skb_reserve(skb,8);
+	skb_put(skb,len+3);
+	skb->protocol = htons(ETH_P_LOCALTALK);
+	/* add LLAP header */
+	skb->data[0] = dnode;
+	skb->data[1] = snode;
+	skb->data[2] = llaptype;
+	skb->mac.raw = skb->data;	/* save pointer to llap header */
+	skb_pull(skb,3);
+
+	/* copy ddp(s,e)hdr + contents */
+	memcpy(skb->data,(void*)ltdmabuf,len);
+
+	skb->h.raw = skb->data;
+
+	stats->rx_packets++;
+	stats->rx_bytes+=skb->len;
+
+	/* toss it onwards */
+	netif_rx(skb);
+	dev->last_rx = jiffies;
+	return 0;
+}
+
+/* the handler for the board interrupt */
+ 
+static irqreturn_t
+ltpc_interrupt(int irq, void *dev_id, struct pt_regs *reg_ptr)
+{
+	struct net_device *dev = dev_id;
+
+	if (dev==NULL) {
+		printk("ltpc_interrupt: unknown device.\n");
+		return IRQ_NONE;
+	}
+
+	inb_p(dev->base_addr+6);  /* disable further interrupts from board */
+
+	idle(dev); /* handle whatever is coming in */
+ 
+	/* idle re-enables interrupts from board */ 
+
+	return IRQ_HANDLED;
+}
+
+/***
+ *
+ *    The ioctls that the driver responds to are:
+ *
+ *    SIOCSIFADDR -- do probe using the passed node hint.
+ *    SIOCGIFADDR -- return net, node.
+ *
+ *    some of this stuff should be done elsewhere.
+ *
+ ***/
+
+static int ltpc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+	struct sockaddr_at *sa = (struct sockaddr_at *) &ifr->ifr_addr;
+	/* we'll keep the localtalk node address in dev->pa_addr */
+	struct atalk_addr *aa = &((struct ltpc_private *)dev->priv)->my_addr;
+	struct lt_init c;
+	int ltflags;
+
+	if(debug & DEBUG_VERBOSE) printk("ltpc_ioctl called\n");
+
+	switch(cmd) {
+		case SIOCSIFADDR:
+
+			aa->s_net  = sa->sat_addr.s_net;
+      
+			/* this does the probe and returns the node addr */
+			c.command = LT_INIT;
+			c.hint = sa->sat_addr.s_node;
+
+			aa->s_node = do_read(dev,&c,sizeof(c),&c,0);
+
+			/* get all llap frames raw */
+			ltflags = read_30(dev);
+			ltflags |= LT_FLAG_ALLLAP;
+			set_30 (dev,ltflags);  
+
+			dev->broadcast[0] = 0xFF;
+			dev->dev_addr[0] = aa->s_node;
+
+			dev->addr_len=1;
+   
+			return 0;
+
+		case SIOCGIFADDR:
+
+			sa->sat_addr.s_net = aa->s_net;
+			sa->sat_addr.s_node = aa->s_node;
+
+			return 0;
+
+		default: 
+			return -EINVAL;
+	}
+}
+
+static void set_multicast_list(struct net_device *dev)
+{
+	/* This needs to be present to keep netatalk happy. */
+	/* Actually netatalk needs fixing! */
+}
+
+static int ltpc_hard_header (struct sk_buff *skb, struct net_device *dev, 
+	unsigned short type, void *daddr, void *saddr, unsigned len)
+{
+	if(debug & DEBUG_VERBOSE)
+		printk("ltpc_hard_header called for device %s\n",
+			dev->name);
+	return 0;
+}
+
+static int ltpc_poll_counter;
+
+static void ltpc_poll(unsigned long l)
+{
+	struct net_device *dev = (struct net_device *) l;
+
+	del_timer(&ltpc_timer);
+
+	if(debug & DEBUG_VERBOSE) {
+		if (!ltpc_poll_counter) {
+			ltpc_poll_counter = 50;
+			printk("ltpc poll is alive\n");
+		}
+		ltpc_poll_counter--;
+	}
+  
+	if (!dev)
+		return;  /* we've been downed */
+
+	/* poll 20 times per second */
+	idle(dev);
+	ltpc_timer.expires = jiffies + HZ/20;
+	
+	add_timer(&ltpc_timer);
+}
+
+/* DDP to LLAP translation */
+
+static int ltpc_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+	/* in kernel 1.3.xx, on entry skb->data points to ddp header,
+	 * and skb->len is the length of the ddp data + ddp header
+	 */
+
+	struct net_device_stats *stats = &((struct ltpc_private *)dev->priv)->stats;
+
+	int i;
+	struct lt_sendlap cbuf;
+
+	cbuf.command = LT_SENDLAP;
+	cbuf.dnode = skb->data[0];
+	cbuf.laptype = skb->data[2];
+	skb_pull(skb,3);	/* skip past LLAP header */
+	cbuf.length = skb->len;	/* this is host order */
+	skb->h.raw=skb->data;
+
+	if(debug & DEBUG_UPPER) {
+		printk("command ");
+		for(i=0;i<6;i++)
+			printk("%02x ",((unsigned char *)&cbuf)[i]);
+		printk("\n");
+	}
+
+	do_write(dev,&cbuf,sizeof(cbuf),skb->h.raw,skb->len);
+
+	if(debug & DEBUG_UPPER) {
+		printk("sent %d ddp bytes\n",skb->len);
+		for(i=0;i<skb->len;i++) printk("%02x ",skb->h.raw[i]);
+		printk("\n");
+	}
+
+	stats->tx_packets++;
+	stats->tx_bytes+=skb->len;
+
+	dev_kfree_skb(skb);
+	return 0;
+}
+
+static struct net_device_stats *ltpc_get_stats(struct net_device *dev)
+{
+	struct net_device_stats *stats = &((struct ltpc_private *) dev->priv)->stats;
+	return stats;
+}
+
+/* initialization stuff */
+  
+static int __init ltpc_probe_dma(int base, int dma)
+{
+	int want = (dma == 3) ? 2 : (dma == 1) ? 1 : 3;
+  	unsigned long timeout;
+  	unsigned long f;
+  
+  	if (want & 1) {
+		if (request_dma(1,"ltpc")) {
+			want &= ~1;
+		} else {
+			f=claim_dma_lock();
+			disable_dma(1);
+			clear_dma_ff(1);
+			set_dma_mode(1,DMA_MODE_WRITE);
+			set_dma_addr(1,virt_to_bus(ltdmabuf));
+			set_dma_count(1,sizeof(struct lt_mem));
+			enable_dma(1);
+			release_dma_lock(f);
+		}
+	}
+	if (want & 2) {
+		if (request_dma(3,"ltpc")) {
+			want &= ~2;
+		} else {
+			f=claim_dma_lock();
+			disable_dma(3);
+			clear_dma_ff(3);
+			set_dma_mode(3,DMA_MODE_WRITE);
+			set_dma_addr(3,virt_to_bus(ltdmabuf));
+			set_dma_count(3,sizeof(struct lt_mem));
+			enable_dma(3);
+			release_dma_lock(f);
+		}
+	}
+	/* set up request */
+
+	/* FIXME -- do timings better! */
+
+	ltdmabuf[0] = LT_READMEM;
+	ltdmabuf[1] = 1;  /* mailbox */
+	ltdmabuf[2] = 0; ltdmabuf[3] = 0;  /* address */
+	ltdmabuf[4] = 0; ltdmabuf[5] = 1;  /* read 0x0100 bytes */
+	ltdmabuf[6] = 0; /* dunno if this is necessary */
+
+	inb_p(io+1);
+	inb_p(io+0);
+	timeout = jiffies+100*HZ/100;
+	while(time_before(jiffies, timeout)) {
+		if ( 0xfa == inb_p(io+6) ) break;
+	}
+
+	inb_p(io+3);
+	inb_p(io+2);
+	while(time_before(jiffies, timeout)) {
+		if ( 0xfb == inb_p(io+6) ) break;
+	}
+
+	/* release the other dma channel (if we opened both of them) */
+
+	if ((want & 2) && (get_dma_residue(3)==sizeof(struct lt_mem))) {
+		want &= ~2;
+		free_dma(3);
+	}
+
+	if ((want & 1) && (get_dma_residue(1)==sizeof(struct lt_mem))) {
+		want &= ~1;
+		free_dma(1);
+	}
+
+	if (!want)
+		return 0;
+
+	return (want & 2) ? 3 : 1;
+}
+
+struct net_device * __init ltpc_probe(void)
+{
+	struct net_device *dev;
+	int err = -ENOMEM;
+	int x=0,y=0;
+	int autoirq;
+	unsigned long f;
+	unsigned long timeout;
+
+	dev = alloc_netdev(sizeof(struct ltpc_private), "lt%d", ltalk_setup);
+	if (!dev)
+		goto out;
+
+	SET_MODULE_OWNER(dev);
+
+	/* probe for the I/O port address */
+	
+	if (io != 0x240 && request_region(0x220,8,"ltpc")) {
+		x = inb_p(0x220+6);
+		if ( (x!=0xff) && (x>=0xf0) ) {
+			io = 0x220;
+			goto got_port;
+		}
+		release_region(0x220,8);
+	}
+	if (io != 0x220 && request_region(0x240,8,"ltpc")) {
+		y = inb_p(0x240+6);
+		if ( (y!=0xff) && (y>=0xf0) ){ 
+			io = 0x240;
+			goto got_port;
+		}
+		release_region(0x240,8);
+	} 
+
+	/* give up in despair */
+	printk(KERN_ERR "LocalTalk card not found; 220 = %02x, 240 = %02x.\n", x,y);
+	err = -ENODEV;
+	goto out1;
+
+ got_port:
+	/* probe for the IRQ line */
+	if (irq < 2) {
+		unsigned long irq_mask;
+
+		irq_mask = probe_irq_on();
+		/* reset the interrupt line */
+		inb_p(io+7);
+		inb_p(io+7);
+		/* trigger an interrupt (I hope) */
+		inb_p(io+6);
+		mdelay(2);
+		autoirq = probe_irq_off(irq_mask);
+
+		if (autoirq == 0) {
+			printk(KERN_ERR "ltpc: probe at %#x failed to detect IRQ line.\n", io);
+		} else {
+			irq = autoirq;
+		}
+	}
+
+	/* allocate a DMA buffer */
+	ltdmabuf = (unsigned char *) dma_mem_alloc(1000);
+	if (!ltdmabuf) {
+		printk(KERN_ERR "ltpc: mem alloc failed\n");
+		err = -ENOMEM;
+		goto out2;
+	}
+
+	ltdmacbuf = &ltdmabuf[800];
+
+	if(debug & DEBUG_VERBOSE) {
+		printk("ltdmabuf pointer %08lx\n",(unsigned long) ltdmabuf);
+	}
+
+	/* reset the card */
+
+	inb_p(io+1);
+	inb_p(io+3);
+
+	set_current_state(TASK_UNINTERRUPTIBLE);
+	schedule_timeout(2*HZ/100);
+
+	inb_p(io+0);
+	inb_p(io+2);
+	inb_p(io+7); /* clear reset */
+	inb_p(io+4); 
+	inb_p(io+5);
+	inb_p(io+5); /* enable dma */
+	inb_p(io+6); /* tri-state interrupt line */
+
+	set_current_state(TASK_UNINTERRUPTIBLE);
+	schedule_timeout(HZ);
+	
+	/* now, figure out which dma channel we're using, unless it's
+	   already been specified */
+	/* well, 0 is a legal DMA channel, but the LTPC card doesn't
+	   use it... */
+	dma = ltpc_probe_dma(io, dma);
+	if (!dma) {  /* no dma channel */
+		printk(KERN_ERR "No DMA channel found on ltpc card.\n");
+		err = -ENODEV;
+		goto out3;
+	}
+
+	/* print out friendly message */
+	if(irq)
+		printk(KERN_INFO "Apple/Farallon LocalTalk-PC card at %03x, IR%d, DMA%d.\n",io,irq,dma);
+	else
+		printk(KERN_INFO "Apple/Farallon LocalTalk-PC card at %03x, DMA%d.  Using polled mode.\n",io,dma);
+
+	/* Fill in the fields of the device structure with ethernet-generic values. */
+	dev->hard_start_xmit = ltpc_xmit;
+	dev->hard_header = ltpc_hard_header;
+	dev->get_stats = ltpc_get_stats;
+
+	/* add the ltpc-specific things */
+	dev->do_ioctl = &ltpc_ioctl;
+
+	dev->set_multicast_list = &set_multicast_list;
+	dev->mc_list = NULL;
+	dev->base_addr = io;
+	dev->irq = irq;
+	dev->dma = dma;
+
+	/* the card will want to send a result at this point */
+	/* (I think... leaving out this part makes the kernel crash,
+           so I put it back in...) */
+
+	f=claim_dma_lock();
+	disable_dma(dma);
+	clear_dma_ff(dma);
+	set_dma_mode(dma,DMA_MODE_READ);
+	set_dma_addr(dma,virt_to_bus(ltdmabuf));
+	set_dma_count(dma,0x100);
+	enable_dma(dma);
+	release_dma_lock(f);
+
+	(void) inb_p(io+3);
+	(void) inb_p(io+2);
+	timeout = jiffies+100*HZ/100;
+
+	while(time_before(jiffies, timeout)) {
+		if( 0xf9 == inb_p(io+6))
+			break;
+		schedule();
+	}
+
+	if(debug & DEBUG_VERBOSE) {
+		printk("setting up timer and irq\n");
+	}
+
+	/* grab it and don't let go :-) */
+	if (irq && request_irq( irq, &ltpc_interrupt, 0, "ltpc", dev) >= 0)
+	{
+		(void) inb_p(io+7);  /* enable interrupts from board */
+		(void) inb_p(io+7);  /* and reset irq line */
+	} else {
+		if( irq )
+			printk(KERN_ERR "ltpc: IRQ already in use, using polled mode.\n");
+		dev->irq = 0;
+		/* polled mode -- 20 times per second */
+		/* this is really, really slow... should it poll more often? */
+		init_timer(&ltpc_timer);
+		ltpc_timer.function=ltpc_poll;
+		ltpc_timer.data = (unsigned long) dev;
+
+		ltpc_timer.expires = jiffies + HZ/20;
+		add_timer(&ltpc_timer);
+	}
+	err = register_netdev(dev);
+	if (err)
+		goto out4;
+
+	return NULL;
+out4:
+	del_timer_sync(&ltpc_timer);
+	if (dev->irq)
+		free_irq(dev->irq, dev);
+out3:
+	free_pages((unsigned long)ltdmabuf, get_order(1000));
+out2:
+	release_region(io, 8);
+out1:
+	free_netdev(dev);
+out:
+	return ERR_PTR(err);
+}
+
+#ifndef MODULE
+/* handles "ltpc=io,irq,dma" kernel command lines */
+static int __init ltpc_setup(char *str)
+{
+	int ints[5];
+
+	str = get_options(str, ARRAY_SIZE(ints), ints);
+
+	if (ints[0] == 0) {
+		if (str && !strncmp(str, "auto", 4)) {
+			/* do nothing :-) */
+		}
+		else {
+			/* usage message */
+			printk (KERN_ERR
+				"ltpc: usage: ltpc=auto|iobase[,irq[,dma]]\n");
+			return 0;
+		}
+	} else {
+		io = ints[1];
+		if (ints[0] > 1) {
+			irq = ints[2];
+		}
+		if (ints[0] > 2) {
+			dma = ints[3];
+		}
+		/* ignore any other paramters */
+	}
+	return 1;
+}
+
+__setup("ltpc=", ltpc_setup);
+#endif /* MODULE */
+
+static struct net_device *dev_ltpc;
+
+#ifdef MODULE
+
+MODULE_LICENSE("GPL");
+module_param(debug, int, 0);
+module_param(io, int, 0);
+module_param(irq, int, 0);
+module_param(dma, int, 0);
+
+
+int __init init_module(void)
+{
+        if(io == 0)
+		printk(KERN_NOTICE
+		       "ltpc: Autoprobing is not recommended for modules\n");
+
+	dev_ltpc = ltpc_probe();
+	if (IS_ERR(dev_ltpc))
+		return PTR_ERR(dev_ltpc);
+	return 0;
+}
+#endif
+
+static void __exit ltpc_cleanup(void)
+{
+
+	if(debug & DEBUG_VERBOSE) printk("unregister_netdev\n");
+	unregister_netdev(dev_ltpc);
+
+	ltpc_timer.data = 0;  /* signal the poll routine that we're done */
+
+	del_timer_sync(&ltpc_timer);
+
+	if(debug & DEBUG_VERBOSE) printk("freeing irq\n");
+
+	if (dev_ltpc->irq)
+		free_irq(dev_ltpc->irq, dev_ltpc);
+
+	if(debug & DEBUG_VERBOSE) printk("freeing dma\n");
+
+	if (dev_ltpc->dma)
+		free_dma(dev_ltpc->dma);
+
+	if(debug & DEBUG_VERBOSE) printk("freeing ioaddr\n");
+
+	if (dev_ltpc->base_addr)
+		release_region(dev_ltpc->base_addr,8);
+
+	free_netdev(dev_ltpc);
+
+	if(debug & DEBUG_VERBOSE) printk("free_pages\n");
+
+	free_pages( (unsigned long) ltdmabuf, get_order(1000));
+
+	if(debug & DEBUG_VERBOSE) printk("returning from cleanup_module\n");
+}
+
+module_exit(ltpc_cleanup);
diff --git a/drivers/net/appletalk/ltpc.h b/drivers/net/appletalk/ltpc.h
new file mode 100644
index 0000000..cd30544
--- /dev/null
+++ b/drivers/net/appletalk/ltpc.h
@@ -0,0 +1,73 @@
+/***   ltpc.h
+ *
+ *
+ ***/
+
+#define LT_GETRESULT  0x00
+#define LT_WRITEMEM   0x01
+#define LT_READMEM    0x02
+#define LT_GETFLAGS   0x04
+#define LT_SETFLAGS   0x05
+#define LT_INIT       0x10
+#define LT_SENDLAP    0x13
+#define LT_RCVLAP     0x14
+
+/* the flag that we care about */
+#define LT_FLAG_ALLLAP 0x04
+
+struct lt_getresult {
+	unsigned char command;
+	unsigned char mailbox;
+};
+
+struct lt_mem {
+	unsigned char command;
+	unsigned char mailbox;
+	unsigned short addr;	/* host order */
+	unsigned short length;	/* host order */
+};
+
+struct lt_setflags {
+	unsigned char command;
+	unsigned char mailbox;
+	unsigned char flags;
+};
+
+struct lt_getflags {
+	unsigned char command;
+	unsigned char mailbox;
+};
+
+struct lt_init {
+	unsigned char command;
+	unsigned char mailbox;
+	unsigned char hint;
+};
+
+struct lt_sendlap {
+	unsigned char command;
+	unsigned char mailbox;
+	unsigned char dnode;
+	unsigned char laptype;
+	unsigned short length;	/* host order */
+};
+
+struct lt_rcvlap {
+	unsigned char command;
+	unsigned char dnode;
+	unsigned char snode;
+	unsigned char laptype;
+	unsigned short length;	/* host order */
+};
+
+union lt_command {
+	struct lt_getresult getresult;
+	struct lt_mem mem;
+	struct lt_setflags setflags;
+	struct lt_getflags getflags;
+	struct lt_init init;
+	struct lt_sendlap sendlap;
+	struct lt_rcvlap rcvlap;
+};
+typedef union lt_command lt_command;
+