diff --git a/drivers/net/hplance.h b/drivers/net/hplance.h
new file mode 100644
index 0000000..04aee9e
--- /dev/null
+++ b/drivers/net/hplance.h
@@ -0,0 +1,26 @@
+/* Random defines and structures for the HP Lance driver.
+ * Copyright (C) 05/1998 Peter Maydell <pmaydell@chiark.greenend.org.uk>
+ * Based on the Sun Lance driver and the NetBSD HP Lance driver
+ */
+
+/* Registers */
+#define HPLANCE_ID		0x01		/* DIO register: ID byte */
+#define HPLANCE_STATUS		0x03		/* DIO register: interrupt enable/status */
+
+/* Control and status bits for the status register */
+#define LE_IE 0x80                                /* interrupt enable */
+#define LE_IR 0x40                                /* interrupt requested */
+#define LE_LOCK 0x08                              /* lock status register */
+#define LE_ACK 0x04                               /* ack of lock */
+#define LE_JAB 0x02                               /* loss of tx clock (???) */
+/* We can also extract the IPL from the status register with the standard
+ * DIO_IPL(hplance) macro, or using dio_scodetoipl()
+ */
+
+/* These are the offsets for the DIO regs (hplance_reg), lance_ioreg,
+ * memory and NVRAM:
+ */
+#define HPLANCE_IDOFF 0                           /* board baseaddr */
+#define HPLANCE_REGOFF 0x4000                     /* lance registers */
+#define HPLANCE_MEMOFF 0x8000                     /* struct lance_init_block */
+#define HPLANCE_NVRAMOFF 0xC008                   /* etheraddress as one *nibble* per byte */