usr/src/sys/i386/isa/if_nereg.h

/*-
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)if_nereg.h  7.1 (Berkeley) %G%
 */

/*
 * NE2000 Ethernet Card registers
 */

/* The NE2000 uses a DS8390 Ethernet controller in at the beginning of
   its i/o space */
#include "ic/ds8390.h"

#define ne_data         0x10    /* Data Transfer port */
#define ne_reset        0x1f    /* Card Reset port */

#define PKTSZ   3*512
#define TBUF    (16*1024)       /* Starting location of Transmit Buffer */
#define RBUF    (16*1024+PKTSZ) /* Starting location of Receive Buffer */
#define RBUFEND (32*1024)       /* Ending location of Transmit Buffer */