* Copyright (c) 1982, 1990 The Regents of the University of California.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* @(#)if_lereg.h 7.1 (Berkeley) 5/8/90
#define LEMINSIZE 60 /* should be 64 if mode DTCR is set */
#define LE_RLEN (LERBUFLOG2 << 13)
#define LE_TLEN (LETBUFLOG2 << 13)
#define vu_char volatile u_char
vu_char ler0_id
; /* ID */
vu_char ler0_status
; /* interrupt enable/status */
u_short ler1_rdp
; /* data port */
u_short ler1_rap
; /* register select port */
* Overlayed on 16K dual-port RAM.
* Current size is 13,758 bytes with 8 x 1518 receive buffers and
* 1 x 1518 transmit buffer.
u_short ler2_mode
; /* +0x0000 */
u_char ler2_padr
[6]; /* +0x0002 */
u_long ler2_ladrf0
; /* +0x0008 */
u_long ler2_ladrf1
; /* +0x000C */
u_short ler2_rdra
; /* +0x0010 */
u_short ler2_rlen
; /* +0x0012 */
u_short ler2_tdra
; /* +0x0014 */
u_short ler2_tlen
; /* +0x0016 */
/* receive message descriptors */
struct lermd
{ /* +0x0018 */
/* transmit message descriptors */
struct letmd
{ /* +0x0058 */
char ler2_rbuf
[LERBUF
][LEMTU
]; /* +0x0060 */
char ler2_tbuf
[LETBUF
][LEMTU
]; /* +0x2FD0 */
* Control and status bits -- lereg0
#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 (???) */
#define LE_IPL(x) ((((x) >> 4) & 0x3) + 3)
* Control and status bits -- lereg1
* Control and status bits -- lereg2