Ooops, this file should no longer exist. The driver has been replaced

by the PCNET32 driver.

1 files changed, 0 insertions, 883 deletions

diff --git a/drivers/net/lance32.c b/drivers/net/lance32.c
deleted file mode 100644
index 134c10bca..000000000
--- a/drivers/net/lance32.c
+++ /dev/null
@@ -1,883 +0,0 @@
-/* lance32.c: An AMD PCnet32 ethernet driver for linux. */
-/*
- *      Copyright 1996 Thomas Bogendoerfer
- * 
- * 	Derived from the lance driver written 1993,1994,1995 by Donald Becker.
- * 
- * 	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 Public License, incorporated herein by reference.
- *
- * 	This driver is for PCnet32 and PCnetPCI based ethercards
- *
- *      Horribly hacked for SNI RM200 by Ralf Baechle.  This is currently
- *      classified as better than nothing software.  This doesn't mean that
- *      the driver is unreliable; it just means that it's horribly hacked
- *      code.  Also this driver can currently no longer be used for anything
- *      else but a SNI RM.  This driver will fail on RM configurations that
- *      map the PCnet to another address than expected.  I'll work on a
- *      better detection routine.  The cacheflush() calls are far too many;
- *      also they're placed braindead and too paranoid.
- */
-
-static const char *version = "lance32.c:v0.10 28.4.96 tsbogend@bigbug.franken.de\n";
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/string.h>
-#include <linux/ptrace.h>
-#include <linux/errno.h>
-#include <linux/ioport.h>
-#include <linux/malloc.h>
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/bios32.h>
-#include <asm/bitops.h>
-#ifdef __mips__
-#include <asm/pgtable.h>
-#include <asm/bootinfo.h>
-static unsigned long lance_base;
-extern unsigned long port_base;
-#define PORT_BASE lance_base
-#endif /* __mips__ */
-#include <asm/io.h>
-#include <asm/dma.h>
-
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-
-#ifdef LANCE32_DEBUG
-int lance32_debug = LANCE32_DEBUG;
-#else
-int lance32_debug = 1;
-#endif
-
-/*
- * 				Theory of Operation
- * 
- * This driver uses the same software structure as the normal lance
- * driver. So look for a verbose description in lance.c. The differences
- * to the normal lance driver is the use of the 32bit mode of PCnet32
- * and PCnetPCI chips. Because these chips are 32bit chips, there is no
- * 16MB limitation and we don't need bounce buffers.
- */
- 
-/*
- * History:
- * v0.01:  Initial version
- *         only tested on Alpha Noname Board
- * v0.02:  changed IRQ handling for new interrupt scheme (dev_id)
- *         tested on a ASUS SP3G
- * v0.10:  fixed an odd problem with the 79C794 in a Compaq Deskpro XL
- *         looks like the 974 doesn't like stopping and restarting in a
- *         short period of time; now we do a reinit of the lance; the
- *         bug was triggered by doing ifconfig eth0 <ip> broadcast <addr>
- *         and hangs the machine (thanks to Klaus Liedl for debugging)
- */
-
-
-/*
- * Set the number of Tx and Rx buffers, using Log_2(# buffers).
- * Reasonable default values are 4 Tx buffers, and 16 Rx buffers.
- * That translates to 2 (4 == 2^^2) and 4 (16 == 2^^4).
- */
-#ifndef LANCE_LOG_TX_BUFFERS
-#define LANCE_LOG_TX_BUFFERS 4
-#define LANCE_LOG_RX_BUFFERS 4
-#endif
-
-#define TX_RING_SIZE			(1 << (LANCE_LOG_TX_BUFFERS))
-#define TX_RING_MOD_MASK		(TX_RING_SIZE - 1)
-#define TX_RING_LEN_BITS		((LANCE_LOG_TX_BUFFERS) << 12)
-
-#define RX_RING_SIZE			(1 << (LANCE_LOG_RX_BUFFERS))
-#define RX_RING_MOD_MASK		(RX_RING_SIZE - 1)
-#define RX_RING_LEN_BITS		((LANCE_LOG_RX_BUFFERS) << 4)
-
-#define PKT_BUF_SZ		1544
-
-/* Offsets from base I/O address. */
-#define LANCE_DATA 0x10
-#define LANCE_ADDR 0x12
-#define LANCE_RESET 0x14
-#define LANCE_BUS_IF 0x16
-#define LANCE_TOTAL_SIZE 0x18
-
-/* The LANCE Rx and Tx ring descriptors. */
-struct lance32_rx_head {
-	u32 base;
-	s16 buf_length;
-        s16 status;    
-	u32 msg_length;
-	u32 reserved;
-};
-	
-struct lance32_tx_head {
-	u32 base;
-	s16 length;
-        s16 status;
-	u32 misc;
-	u32 reserved;
-};
-
-
-/* The LANCE 32-Bit initialization block, described in databook. */
-struct lance32_init_block {
-	u16 mode;
-	u16 tlen_rlen;
-	u8  phys_addr[6];
-	u16 reserved;
-	u32 filter[2];
-	/* Receive and transmit ring base, along with extra bits. */    
-	u32 rx_ring;
-	u32 tx_ring;
-};
-
-struct lance32_private {
-	/* The Tx and Rx ring entries must be aligned on 16-byte boundaries in 32bit mode. */
-	struct lance32_rx_head   rx_ring[RX_RING_SIZE];
-	struct lance32_tx_head   tx_ring[TX_RING_SIZE];
-	struct lance32_init_block	init_block;
-	const char *name;
-	/* The saved address of a sent-in-place packet/buffer, for skfree(). */
-	struct sk_buff* tx_skbuff[TX_RING_SIZE];
-	unsigned long rx_buffs;			/* Address of Rx and Tx buffers. */
-	int cur_rx, cur_tx;			/* The next free ring entry */
-	int dirty_rx, dirty_tx;		        /* The ring entries to be free()ed. */
-	int dma;
-	struct net_device_stats stats;
-	char tx_full;
-	unsigned long lock;
-};
-
-static int lance32_open(struct device *dev);
-static void lance32_init_ring(struct device *dev);
-static int lance32_start_xmit(struct sk_buff *skb, struct device *dev);
-static int lance32_rx(struct device *dev);
-static void lance32_interrupt(int irq, void *dev_id, struct pt_regs *regs);
-static int lance32_close(struct device *dev);
-static struct net_device_stats *lance32_get_stats(struct device *dev);
-static void lance32_set_multicast_list(struct device *dev);
-
-
-
-/* lance32_probe1 */
-void lance32_probe1(struct device *dev, char *chipname, int pci_irq_line)
-{
-	struct lance32_private *lp;
-        int ioaddr = dev->base_addr;
-	short dma_channels;					/* Mark spuriously-busy DMA channels */    
-        int i;
-    
-	/* Make certain the data structures used by the LANCE are 16byte aligned and DMAble. */
-	lp = (struct lance32_private *) (((unsigned long)kmalloc(sizeof(*lp)+15, GFP_DMA | GFP_KERNEL)+15) & ~15);
-#ifdef __mips__
-	/* XXX Maybe modify kmalloc() to return KSEG1 memory?  This would
-	 * make lots of modifications to drivers unnecessary but possibly
-	 * have negative impact on the performance due to drivers not being
-	 * aware of the CPU performance impact of GFP_DMA memory ...
-	 */
-	flush_cache_all();
-	lp = KSEG1ADDR(lp);
-	lance_base = port_base;
-	if (mips_machgroup == MACH_GROUP_SNI_RM
-	    && mips_machtype == MACH_SNI_RM200_PCI) {
-		lance_base = 0xbb000000;
-	} else
-#endif
-      
-	memset(lp, 0, sizeof(*lp));
-	dev->priv = lp;
-	lp->name = chipname;
-	lp->rx_buffs = (unsigned long) kmalloc(PKT_BUF_SZ*RX_RING_SIZE, GFP_DMA | GFP_KERNEL);
-
-	lp->init_block.mode = 0x0003;		/* Disable Rx and Tx. */
-        lp->init_block.tlen_rlen = TX_RING_LEN_BITS | RX_RING_LEN_BITS;    
-	for (i = 0; i < 6; i++)
-		lp->init_block.phys_addr[i] = dev->dev_addr[i];
-	lp->init_block.filter[0] = 0x00000000;
-	lp->init_block.filter[1] = 0x00000000;
-	lp->init_block.rx_ring = (u32)virt_to_bus(lp->rx_ring);
-	lp->init_block.tx_ring = (u32)virt_to_bus(lp->tx_ring);
-    
-	/* switch lance to 32bit mode */
-	outw(0x0014, ioaddr+LANCE_ADDR);
-	outw(0x0002, ioaddr+LANCE_BUS_IF);
-
-	outw(0x0001, ioaddr+LANCE_ADDR);
-	inw(ioaddr+LANCE_ADDR);
-	outw((short) (u32) virt_to_bus(&lp->init_block), ioaddr+LANCE_DATA);
-	outw(0x0002, ioaddr+LANCE_ADDR);
-	inw(ioaddr+LANCE_ADDR);
-	outw(((u32)virt_to_bus(&lp->init_block)) >> 16, ioaddr+LANCE_DATA);
-	outw(0x0000, ioaddr+LANCE_ADDR);
-	inw(ioaddr+LANCE_ADDR);
-    
-	if (pci_irq_line) {
-		dev->dma = 4;			/* Native bus-master, no DMA channel needed. */
-		dev->irq = pci_irq_line;
-	} else {
-		/* The DMA channel may be passed in PARAM1. */
-		if (dev->mem_start & 0x07)
-			dev->dma = dev->mem_start & 0x07;
-	}
-
-	if (dev->dma == 0) {
-		/* Read the DMA channel status register, so that we can avoid
-		   stuck DMA channels in the DMA detection below. */
-		dma_channels = ((inb(DMA1_STAT_REG) >> 4) & 0x0f) |
-			(inb(DMA2_STAT_REG) & 0xf0);
-	}
-#ifdef __mips__
-	if (mips_machgroup == MACH_GROUP_SNI_RM
-	    && mips_machtype == MACH_SNI_RM200_PCI) {
-		dev->irq = 10;
-		printk(", assuming IRQ %d", dev->irq);
-		dev->dma = 4;	/* No need for a DMA channel on SNI */
-	} else
-#endif
-	if (dev->irq >= 2)
-		printk(" assigned IRQ %d", dev->irq);
-	else {
-		/* To auto-IRQ we enable the initialization-done and DMA error
-		   interrupts. For ISA boards we get a DMA error, but VLB and PCI
-		   boards will work. */
-		autoirq_setup(0);
-
-		/* Trigger an initialization just for the interrupt. */
-		outw(0x0041, ioaddr+LANCE_DATA);
-
-		dev->irq = autoirq_report(1);
-		if (dev->irq)
-			printk(", probed IRQ %d", dev->irq);
-		else {
-			printk(", failed to detect IRQ line.\n");
-			return;
-		}
-
-		/* Check for the initialization done bit, 0x0100, which means
-		   that we don't need a DMA channel. */
-		if (inw(ioaddr+LANCE_DATA) & 0x0100)
-			dev->dma = 4;
-	}
-
-	if (dev->dma == 4) {
-		printk(", no DMA needed.\n");
-	} else if (dev->dma) {
-		if (request_dma(dev->dma, chipname)) {
-			printk("DMA %d allocation failed.\n", dev->dma);
-			return;
-		} else
-			printk(", assigned DMA %d.\n", dev->dma);
-	} else {			/* OK, we have to auto-DMA. */
-		for (i = 0; i < 4; i++) {
-			static const char dmas[] = { 5, 6, 7, 3 };
-			int dma = dmas[i];
-			int boguscnt;
-
-			/* Don't enable a permanently busy DMA channel, or the machine
-			   will hang. */
-			if (test_bit(dma, &dma_channels))
-				continue;
-			outw(0x7f04, ioaddr+LANCE_DATA); /* Clear the memory error bits. */
-			if (request_dma(dma, chipname))
-				continue;
-			set_dma_mode(dma, DMA_MODE_CASCADE);
-			enable_dma(dma);
-
-			/* Trigger an initialization. */
-			outw(0x0001, ioaddr+LANCE_DATA);
-			for (boguscnt = 100; boguscnt > 0; --boguscnt)
-				if (inw(ioaddr+LANCE_DATA) & 0x0900)
-					break;
-			if (inw(ioaddr+LANCE_DATA) & 0x0100) {
-				dev->dma = dma;
-				printk(", DMA %d.\n", dev->dma);
-				break;
-			} else {
-				disable_dma(dma);
-				free_dma(dma);
-			}
-		}
-		if (i == 4) {			/* Failure: bail. */
-			printk("DMA detection failed.\n");
-			return;
-		}
-	}
-    
-        outw(0x0002, ioaddr+LANCE_ADDR);
-	outw(0x0002, ioaddr+LANCE_BUS_IF);
-
-	if (lance32_debug > 0)
-		printk(version);
-
-	/* The LANCE-specific entries in the device structure. */
-	dev->open = &lance32_open;
-	dev->hard_start_xmit = &lance32_start_xmit;
-	dev->stop = &lance32_close;
-	dev->get_stats = &lance32_get_stats;
-	dev->set_multicast_list = &lance32_set_multicast_list;
-
-	return;
-}
-
-
-static int
-lance32_open(struct device *dev)
-{
-	struct lance32_private *lp = (struct lance32_private *)dev->priv;
-	int ioaddr = dev->base_addr;
-	int i;
-
-	if (dev->irq == 0 ||
-		request_irq(dev->irq, &lance32_interrupt, 0, lp->name, (void *)dev)) {
-		return -EAGAIN;
-	}
-
-	irq2dev_map[dev->irq] = dev;
-
-	/* Reset the LANCE */
-	inw(ioaddr+LANCE_RESET);
-
-	/* switch lance to 32bit mode */
-	outw(0x0014, ioaddr+LANCE_ADDR);
-	outw(0x0002, ioaddr+LANCE_BUS_IF);
-
-	/* The DMA controller is used as a no-operation slave, "cascade mode". */
-	if (dev->dma != 4) {
-		enable_dma(dev->dma);
-		set_dma_mode(dev->dma, DMA_MODE_CASCADE);
-	}
-
-	/* Turn on auto-select of media (AUI, BNC). */
-	outw(0x0002, ioaddr+LANCE_ADDR);
-	outw(0x0002, ioaddr+LANCE_BUS_IF);
-
-	if (lance32_debug > 1)
-		printk("%s: lance32_open() irq %d dma %d tx/rx rings %#x/%#x init %#x.\n",
-			   dev->name, dev->irq, dev->dma,
-		           (u32) virt_to_bus(lp->tx_ring),
-		           (u32) virt_to_bus(lp->rx_ring),
-			   (u32) virt_to_bus(&lp->init_block));
-
-	lp->init_block.mode = 0x0000;
-	lp->init_block.filter[0] = 0x00000000;
-	lp->init_block.filter[1] = 0x00000000;
-	lance32_init_ring(dev);
-    
-	/* Re-initialize the LANCE, and start it when done. */
-	outw(0x0001, ioaddr+LANCE_ADDR);
-	outw((short) (u32) virt_to_bus(&lp->init_block), ioaddr+LANCE_DATA);
-	outw(0x0002, ioaddr+LANCE_ADDR);
-	outw(((u32)virt_to_bus(&lp->init_block)) >> 16, ioaddr+LANCE_DATA);
-
-	outw(0x0004, ioaddr+LANCE_ADDR);
-	outw(0x0915, ioaddr+LANCE_DATA);
-
-	outw(0x0000, ioaddr+LANCE_ADDR);
-	outw(0x0001, ioaddr+LANCE_DATA);
-
-	dev->tbusy = 0;
-	dev->interrupt = 0;
-	dev->start = 1;
-	i = 0;
-	while (i++ < 100)
-		if (inw(ioaddr+LANCE_DATA) & 0x0100)
-			break;
-	/* 
-	 * We used to clear the InitDone bit, 0x0100, here but Mark Stockton
-	 * reports that doing so triggers a bug in the '974.
-	 */
- 	outw(0x0042, ioaddr+LANCE_DATA);
-
-	if (lance32_debug > 2)
-		printk("%s: LANCE32 open after %d ticks, init block %#x csr0 %4.4x.\n",
-			   dev->name, i, (u32) virt_to_bus(&lp->init_block), inw(ioaddr+LANCE_DATA));
-
-	return 0;					/* Always succeed */
-}
-
-/*
- * The LANCE has been halted for one reason or another (busmaster memory
- * arbitration error, Tx FIFO underflow, driver stopped it to reconfigure,
- * etc.).  Modern LANCE variants always reload their ring-buffer
- * configuration when restarted, so we must reinitialize our ring
- * context before restarting.  As part of this reinitialization,
- * find all packets still on the Tx ring and pretend that they had been
- * sent (in effect, drop the packets on the floor) - the higher-level
- * protocols will time out and retransmit.  It'd be better to shuffle
- * these skbs to a temp list and then actually re-Tx them after
- * restarting the chip, but I'm too lazy to do so right now.  dplatt@3do.com
- */
-
-static void 
-lance32_purge_tx_ring(struct device *dev)
-{
-	struct lance32_private *lp = (struct lance32_private *)dev->priv;
-	int i;
-
-	for (i = 0; i < TX_RING_SIZE; i++) {
-		if (lp->tx_skbuff[i]) {
-			dev_kfree_skb(lp->tx_skbuff[i],FREE_WRITE);
-			lp->tx_skbuff[i] = NULL;
-		}
-	}
-}
-
-
-/* Initialize the LANCE Rx and Tx rings. */
-static void
-lance32_init_ring(struct device *dev)
-{
-	struct lance32_private *lp = (struct lance32_private *)dev->priv;
-	int i;
-
-	lp->lock = 0, lp->tx_full = 0;
-	lp->cur_rx = lp->cur_tx = 0;
-	lp->dirty_rx = lp->dirty_tx = 0;
-
-	for (i = 0; i < RX_RING_SIZE; i++) {
-		lp->rx_ring[i].base = (u32)virt_to_bus((char *)lp->rx_buffs + i*PKT_BUF_SZ);
-		lp->rx_ring[i].buf_length = -PKT_BUF_SZ;
-	        lp->rx_ring[i].status = 0x8000;	    
-	}
-	/* The Tx buffer address is filled in as needed, but we do need to clear
-	   the upper ownership bit. */
-	for (i = 0; i < TX_RING_SIZE; i++) {
-	        lp->tx_ring[i].base = 0;
-	        lp->tx_ring[i].status = 0;
-	}
-
-        lp->init_block.tlen_rlen = TX_RING_LEN_BITS | RX_RING_LEN_BITS;
-	for (i = 0; i < 6; i++)
-		lp->init_block.phys_addr[i] = dev->dev_addr[i];
-	lp->init_block.rx_ring = (u32)virt_to_bus(lp->rx_ring);
-	lp->init_block.tx_ring = (u32)virt_to_bus(lp->tx_ring);
-}
-
-static void
-lance32_restart(struct device *dev, unsigned int csr0_bits, int must_reinit)
-{
-        int i;
-	int ioaddr = dev->base_addr;
-    
-	lance32_purge_tx_ring(dev);
-	lance32_init_ring(dev);
-    
-	outw(0x0000, ioaddr + LANCE_ADDR);
-        /* ReInit Ring */
-        outw(0x0001, ioaddr + LANCE_DATA);
-	i = 0;
-	while (i++ < 100)
-		if (inw(ioaddr+LANCE_DATA) & 0x0100)
-			break;
-
-	outw(csr0_bits, ioaddr + LANCE_DATA);
-}
-
-static int
-lance32_start_xmit(struct sk_buff *skb, struct device *dev)
-{
-	struct lance32_private *lp = (struct lance32_private *)dev->priv;
-	int ioaddr = dev->base_addr;
-	int entry;
-	unsigned long flags;
-
-	/* Transmitter timeout, serious problems. */
-	if (dev->tbusy) {
-		int tickssofar = jiffies - dev->trans_start;
-		if (tickssofar < 20)
-			return 1;
-		outw(0, ioaddr+LANCE_ADDR);
-		printk("%s: transmit timed out, status %4.4x, resetting.\n",
-			   dev->name, inw(ioaddr+LANCE_DATA));
-		outw(0x0004, ioaddr+LANCE_DATA);
-		lp->stats.tx_errors++;
-#ifndef final_version
-		{
-			int i;
-			printk(" Ring data dump: dirty_tx %d cur_tx %d%s cur_rx %d.",
-				   lp->dirty_tx, lp->cur_tx, lp->tx_full ? " (full)" : "",
-				   lp->cur_rx);
-			for (i = 0 ; i < RX_RING_SIZE; i++)
-				printk("%s %08x %04x %04x", i & 0x3 ? "" : "\n ",
-					   lp->rx_ring[i].base, -lp->rx_ring[i].buf_length,
-					   lp->rx_ring[i].msg_length);
-			for (i = 0 ; i < TX_RING_SIZE; i++)
-				printk("%s %08x %04x %04x", i & 0x3 ? "" : "\n ",
-					   lp->tx_ring[i].base, -lp->tx_ring[i].length,
-					   lp->tx_ring[i].misc);
-			printk("\n");
-		}
-#endif
-		lance32_restart(dev, 0x0042, 1);
-
-		dev->tbusy=0;
-		dev->trans_start = jiffies;
-
-		return 0;
-	}
-
-	if (skb == NULL) {
-		dev_tint(dev);
-		return 0;
-	}
-
-	if (skb->len <= 0)
-		return 0;
-
-	if (lance32_debug > 3) {
-		outw(0x0000, ioaddr+LANCE_ADDR);
-		printk("%s: lance32_start_xmit() called, csr0 %4.4x.\n", dev->name,
-			   inw(ioaddr+LANCE_DATA));
-		outw(0x0000, ioaddr+LANCE_DATA);
-	}
-
-	/* Block a timer-based transmit from overlapping.  This could better be
-	   done with atomic_swap(1, dev->tbusy), but set_bit() works as well. */
-	if (set_bit(0, (void*)&dev->tbusy) != 0) {
-		printk("%s: Transmitter access conflict.\n", dev->name);
-		return 1;
-	}
-
-	if (set_bit(0, (void*)&lp->lock) != 0) {
-		if (lance32_debug > 0)
-			printk("%s: tx queue lock!.\n", dev->name);
-		/* don't clear dev->tbusy flag. */
-		return 1;
-	}
-
-	/* Fill in a Tx ring entry */
-
-	/* Mask to ring buffer boundary. */
-	entry = lp->cur_tx & TX_RING_MOD_MASK;
-
-	/* Caution: the write order is important here, set the base address
-	   with the "ownership" bits last. */
-
-	lp->tx_ring[entry].length = -skb->len;
-
-	lp->tx_ring[entry].misc = 0x00000000;
-
-	lp->tx_skbuff[entry] = skb;
-	lp->tx_ring[entry].base = (u32)virt_to_bus(skb->data);
-        lp->tx_ring[entry].status = 0x8300;
-
-#ifdef __mips__
-	flush_cache_all();
-#endif
-
-	lp->cur_tx++;
-
-	/* Trigger an immediate send poll. */
-	outw(0x0000, ioaddr+LANCE_ADDR);
-	outw(0x0048, ioaddr+LANCE_DATA);
-
-	dev->trans_start = jiffies;
-
-	save_flags(flags);
-	cli();
-	lp->lock = 0;
-	if (lp->tx_ring[(entry+1) & TX_RING_MOD_MASK].base == 0)
-		dev->tbusy=0;
-	else
-		lp->tx_full = 1;
-	restore_flags(flags);
-
-	return 0;
-}
-
-/* The LANCE32 interrupt handler. */
-static void
-lance32_interrupt(int irq, void *dev_id, struct pt_regs * regs)
-{
-	struct device *dev = (struct device *)dev_id;
-	struct lance32_private *lp;
-	int csr0, ioaddr, boguscnt=10;
-	int must_restart;
-
-	if (dev == NULL) {
-		printk ("lance32_interrupt(): irq %d for unknown device.\n", irq);
-		return;
-	}
-
-	ioaddr = dev->base_addr;
-	lp = (struct lance32_private *)dev->priv;
-	if (dev->interrupt)
-		printk("%s: Re-entering the interrupt handler.\n", dev->name);
-
-	dev->interrupt = 1;
-
-	outw(0x00, dev->base_addr + LANCE_ADDR);
-	while ((csr0 = inw(dev->base_addr + LANCE_DATA)) & 0x8600
-		   && --boguscnt >= 0) {
-		/* Acknowledge all of the current interrupt sources ASAP. */
-		outw(csr0 & ~0x004f, dev->base_addr + LANCE_DATA);
-
-		must_restart = 0;
-
-		if (lance32_debug > 5)
-			printk("%s: interrupt  csr0=%#2.2x new csr=%#2.2x.\n",
-				   dev->name, csr0, inw(dev->base_addr + LANCE_DATA));
-
-		if (csr0 & 0x0400)			/* Rx interrupt */
-			lance32_rx(dev);
-
-		if (csr0 & 0x0200) {		/* Tx-done interrupt */
-			int dirty_tx = lp->dirty_tx;
-
-			while (dirty_tx < lp->cur_tx) {
-				int entry = dirty_tx & TX_RING_MOD_MASK;
-				int status = lp->tx_ring[entry].status;
-			
-				if (status < 0)
-					break;			/* It still hasn't been Txed */
-
-				lp->tx_ring[entry].base = 0;
-
-				if (status & 0x4000) {
-					/* There was an major error, log it. */
-					int err_status = lp->tx_ring[entry].misc;
-					lp->stats.tx_errors++;
-					if (err_status & 0x04000000) lp->stats.tx_aborted_errors++;
-					if (err_status & 0x08000000) lp->stats.tx_carrier_errors++;
-					if (err_status & 0x10000000) lp->stats.tx_window_errors++;
-					if (err_status & 0x40000000) {
-						/* Ackk!  On FIFO errors the Tx unit is turned off! */
-						lp->stats.tx_fifo_errors++;
-						/* Remove this verbosity later! */
-						printk("%s: Tx FIFO error! Status %4.4x.\n",
-							   dev->name, csr0);
-						/* Restart the chip. */
-						must_restart = 1;
-					}
-				} else {
-					if (status & 0x1800)
-						lp->stats.collisions++;
-					lp->stats.tx_packets++;
-				}
-
-				/* We must free the original skb */
-				if (lp->tx_skbuff[entry]) {
-					dev_kfree_skb(lp->tx_skbuff[entry],FREE_WRITE);
-					lp->tx_skbuff[entry] = 0;
-				}
-				dirty_tx++;
-			}
-
-#ifndef final_version
-			if (lp->cur_tx - dirty_tx >= TX_RING_SIZE) {
-				printk("out-of-sync dirty pointer, %d vs. %d, full=%d.\n",
-					   dirty_tx, lp->cur_tx, lp->tx_full);
-				dirty_tx += TX_RING_SIZE;
-			}
-#endif
-
-			if (lp->tx_full && dev->tbusy
-				&& dirty_tx > lp->cur_tx - TX_RING_SIZE + 2) {
-				/* The ring is no longer full, clear tbusy. */
-				lp->tx_full = 0;
-				dev->tbusy = 0;
-				mark_bh(NET_BH);
-			}
-
-			lp->dirty_tx = dirty_tx;
-		}
-
-		/* Log misc errors. */
-		if (csr0 & 0x4000) lp->stats.tx_errors++; /* Tx babble. */
-		if (csr0 & 0x1000) lp->stats.rx_errors++; /* Missed a Rx frame. */
-		if (csr0 & 0x0800) {
-			printk("%s: Bus master arbitration failure, status %4.4x.\n",
-				   dev->name, csr0);
-			/* Restart the chip. */
-			must_restart = 1;
-		}
-
-		if (must_restart) {
-			/* stop the chip to clear the error condition, then restart */
-			outw(0x0000, dev->base_addr + LANCE_ADDR);
-			outw(0x0004, dev->base_addr + LANCE_DATA);
-			lance32_restart(dev, 0x0002, 0);
-		}
-	}
-
-    /* Clear any other interrupt, and set interrupt enable. */
-    outw(0x0000, dev->base_addr + LANCE_ADDR);
-    outw(0x7940, dev->base_addr + LANCE_DATA);
-
-	if (lance32_debug > 4)
-		printk("%s: exiting interrupt, csr%d=%#4.4x.\n",
-			   dev->name, inw(ioaddr + LANCE_ADDR),
-			   inw(dev->base_addr + LANCE_DATA));
-
-	dev->interrupt = 0;
-	return;
-}
-
-static int
-lance32_rx(struct device *dev)
-{
-	struct lance32_private *lp = (struct lance32_private *)dev->priv;
-	int entry = lp->cur_rx & RX_RING_MOD_MASK;
-	int i;
-		
-	/* If we own the next entry, it's a new packet. Send it up. */
-	while (lp->rx_ring[entry].status >= 0) {
-		int status = lp->rx_ring[entry].status >> 8;
-
-		if (status != 0x03) {			/* There was an error. */
-			/* There is a tricky error noted by John Murphy,
-			   <murf@perftech.com> to Russ Nelson: Even with full-sized
-			   buffers it's possible for a jabber packet to use two
-			   buffers, with only the last correctly noting the error. */
-			if (status & 0x01)	/* Only count a general error at the */
-				lp->stats.rx_errors++; /* end of a packet.*/
-			if (status & 0x20) lp->stats.rx_frame_errors++;
-			if (status & 0x10) lp->stats.rx_over_errors++;
-			if (status & 0x08) lp->stats.rx_crc_errors++;
-			if (status & 0x04) lp->stats.rx_fifo_errors++;
-			lp->rx_ring[entry].status &= 0x03ff;
-		}
-		else 
-		{
-			/* Malloc up new buffer, compatible with net-2e. */
-			short pkt_len = (lp->rx_ring[entry].msg_length & 0xfff)-4;
-			struct sk_buff *skb;
-			
-			if(pkt_len<60)
-			{
-				printk("%s: Runt packet!\n",dev->name);
-				lp->stats.rx_errors++;
-			}
-			else
-			{
-				skb = dev_alloc_skb(pkt_len+2);
-				if (skb == NULL) 
-				{
-					printk("%s: Memory squeeze, deferring packet.\n", dev->name);
-					for (i=0; i < RX_RING_SIZE; i++)
-						if (lp->rx_ring[(entry+i) & RX_RING_MOD_MASK].status < 0)
-							break;
-
-					if (i > RX_RING_SIZE -2) 
-					{
-						lp->stats.rx_dropped++;
-						lp->rx_ring[entry].status |= 0x8000;
-						lp->cur_rx++;
-					}
-					break;
-				}
-				skb->dev = dev;
-				skb_reserve(skb,2);	/* 16 byte align */
-				skb_put(skb,pkt_len);	/* Make room */
-				eth_copy_and_sum(skb,
-					(unsigned char *)bus_to_virt(lp->rx_ring[entry].base),
-					pkt_len,0);
-				skb->protocol=eth_type_trans(skb,dev);
-				netif_rx(skb);
-				lp->stats.rx_packets++;
-			}
-		}
-		/* The docs say that the buffer length isn't touched, but Andrew Boyd
-		   of QNX reports that some revs of the 79C965 clear it. */
-		lp->rx_ring[entry].buf_length = -PKT_BUF_SZ;
-		lp->rx_ring[entry].status |= 0x8000;
-		entry = (++lp->cur_rx) & RX_RING_MOD_MASK;
-	}
-
-	/* We should check that at least two ring entries are free.	 If not,
-	   we should free one and mark stats->rx_dropped++. */
-
-	return 0;
-}
-
-static int
-lance32_close(struct device *dev)
-{
-	int ioaddr = dev->base_addr;
-	struct lance32_private *lp = (struct lance32_private *)dev->priv;
-
-	dev->start = 0;
-	dev->tbusy = 1;
-
-	outw(112, ioaddr+LANCE_ADDR);
-	lp->stats.rx_missed_errors = inw(ioaddr+LANCE_DATA);
-
-	outw(0, ioaddr+LANCE_ADDR);
-
-	if (lance32_debug > 1)
-		printk("%s: Shutting down ethercard, status was %2.2x.\n",
-			   dev->name, inw(ioaddr+LANCE_DATA));
-
-	/* We stop the LANCE here -- it occasionally polls
-	   memory if we don't. */
-	outw(0x0004, ioaddr+LANCE_DATA);
-
-	if (dev->dma != 4)
-		disable_dma(dev->dma);
-
-	free_irq(dev->irq, dev);
-
-	irq2dev_map[dev->irq] = 0;
-
-	return 0;
-}
-
-static struct net_device_stats *lance32_get_stats(struct device *dev)
-{
-	struct lance32_private *lp = (struct lance32_private *)dev->priv;
-	int ioaddr = dev->base_addr;
-	unsigned short saved_addr;
-	unsigned long flags;
-
-	save_flags(flags);
-	cli();
-	saved_addr = inw(ioaddr+LANCE_ADDR);
-	outw(112, ioaddr+LANCE_ADDR);
-	lp->stats.rx_missed_errors = inw(ioaddr+LANCE_DATA);
-	outw(saved_addr, ioaddr+LANCE_ADDR);
-	restore_flags(flags);
-
-	return &lp->stats;
-}
-
-/* Set or clear the multicast filter for this adaptor.
- */
-
-static void lance32_set_multicast_list(struct device *dev)
-{
-	int ioaddr = dev->base_addr;
-	struct lance32_private *lp = (struct lance32_private *)dev->priv;    
-
-	if (dev->flags&IFF_PROMISC) {
-		/* Log any net taps. */
-		printk("%s: Promiscuous mode enabled.\n", dev->name);
-	        lp->init_block.mode = 0x8000;
-	} else {
-		int num_addrs=dev->mc_count;
-		if(dev->flags&IFF_ALLMULTI)
-			num_addrs=1;
-		/* FIXIT: We don't use the multicast table, but rely on upper-layer filtering. */
-		memset(lp->init_block.filter , (num_addrs == 0) ? 0 : -1, sizeof(lp->init_block.filter));
-	        lp->init_block.mode = 0x0000;	        
-	}
-    
-	outw(0, ioaddr+LANCE_ADDR);
-	outw(0x0004, ioaddr+LANCE_DATA); /* Temporarily stop the lance.	 */
-
-	lance32_restart(dev, 0x0042, 0); /*  Resume normal operation */
-
-}
-
-
-/*
- * Local variables:
- *  compile-command: "gcc -D__KERNEL__ -I/usr/src/linux/net/inet -Wall -Wstrict-prototypes -O6 -m486 -c lance32.c"
- *  c-indent-level: 4
- *  tab-width: 4
- * End:
- */