diff --git a/drivers/net/3c501.h b/drivers/net/3c501.h
new file mode 100644
index 0000000..adb0588
--- /dev/null
+++ b/drivers/net/3c501.h
@@ -0,0 +1,93 @@
+
+/*
+ *	Index to functions.
+ */
+
+static int  el1_probe1(struct net_device *dev, int ioaddr);
+static int  el_open(struct net_device *dev);
+static void el_timeout(struct net_device *dev);
+static int  el_start_xmit(struct sk_buff *skb, struct net_device *dev);
+static irqreturn_t el_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static void el_receive(struct net_device *dev);
+static void el_reset(struct net_device *dev);
+static int  el1_close(struct net_device *dev);
+static struct net_device_stats *el1_get_stats(struct net_device *dev);
+static void set_multicast_list(struct net_device *dev);
+static struct ethtool_ops netdev_ethtool_ops;
+
+#define EL1_IO_EXTENT	16
+
+#ifndef EL_DEBUG
+#define EL_DEBUG  0	/* use 0 for production, 1 for devel., >2 for debug */
+#endif			/* Anything above 5 is wordy death! */
+#define debug el_debug
+static int el_debug = EL_DEBUG;
+
+/*
+ *	Board-specific info in dev->priv.
+ */
+
+struct net_local
+{
+	struct net_device_stats stats;
+	int		tx_pkt_start;	/* The length of the current Tx packet. */
+	int		collisions;	/* Tx collisions this packet */
+	int		loading;	/* Spot buffer load collisions */
+	int		txing;		/* True if card is in TX mode */
+	spinlock_t	lock;		/* Serializing lock */
+};
+
+
+#define RX_STATUS (ioaddr + 0x06)
+#define RX_CMD	  RX_STATUS
+#define TX_STATUS (ioaddr + 0x07)
+#define TX_CMD	  TX_STATUS
+#define GP_LOW 	  (ioaddr + 0x08)
+#define GP_HIGH   (ioaddr + 0x09)
+#define RX_BUF_CLR (ioaddr + 0x0A)
+#define RX_LOW	  (ioaddr + 0x0A)
+#define RX_HIGH   (ioaddr + 0x0B)
+#define SAPROM	  (ioaddr + 0x0C)
+#define AX_STATUS (ioaddr + 0x0E)
+#define AX_CMD	  AX_STATUS
+#define DATAPORT  (ioaddr + 0x0F)
+#define TX_RDY 0x08		/* In TX_STATUS */
+
+#define EL1_DATAPTR	0x08
+#define EL1_RXPTR	0x0A
+#define EL1_SAPROM	0x0C
+#define EL1_DATAPORT 	0x0f
+
+/*
+ *	Writes to the ax command register.
+ */
+
+#define AX_OFF	0x00			/* Irq off, buffer access on */
+#define AX_SYS  0x40			/* Load the buffer */
+#define AX_XMIT 0x44			/* Transmit a packet */
+#define AX_RX	0x48			/* Receive a packet */
+#define AX_LOOP	0x0C			/* Loopback mode */
+#define AX_RESET 0x80
+
+/*
+ *	Normal receive mode written to RX_STATUS.  We must intr on short packets
+ *	to avoid bogus rx lockups.
+ */
+
+#define RX_NORM 0xA8		/* 0x68 == all addrs, 0xA8 only to me. */
+#define RX_PROM 0x68		/* Senior Prom, uhmm promiscuous mode. */
+#define RX_MULT 0xE8		/* Accept multicast packets. */
+#define TX_NORM 0x0A		/* Interrupt on everything that might hang the chip */
+
+/*
+ *	TX_STATUS register.
+ */
+
+#define TX_COLLISION 0x02
+#define TX_16COLLISIONS 0x04
+#define TX_READY 0x08
+
+#define RX_RUNT 0x08
+#define RX_MISSED 0x01		/* Missed a packet due to 3c501 braindamage. */
+#define RX_GOOD	0x30		/* Good packet 0x20, or simple overflow 0x10. */
+