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/* $OpenBSD: if_lereg.h,v 1.2 1997/01/17 08:32:47 downsj Exp $ */
/* $NetBSD: if_lereg.h,v 1.1 1996/01/01 18:10:56 thorpej Exp $ */
/*
* Copyright (c) 1982, 1990 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 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
* SUCH DAMAGE.
*
* @(#)if_lereg.h 7.1 (Berkeley) 5/8/90
*/
#define LEID 21
#define NTBUF 2
#define TLEN 1
#define NRBUF 8
#define RLEN 3
#define BUFSIZE 1518
#define vu_char volatile u_char
#define vu_short volatile u_short
/*
* LANCE registers.
*/
struct lereg0 {
u_char ler0_pad0;
vu_char ler0_id; /* ID */
u_char ler0_pad1;
vu_char ler0_status; /* interrupt enable/status */
};
/*
* 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)
struct lereg1 {
vu_short ler1_rdp; /* data port */
vu_short ler1_rap; /* register select port */
};
/*
* Control and status bits -- lereg1
*/
#define LE_SERR 0x8000
#define LE_BABL 0x4000
#define LE_CERR 0x2000
#define LE_MISS 0x1000
#define LE_MERR 0x0800
#define LE_RINT 0x0400
#define LE_TINT 0x0200
#define LE_IDON 0x0100
#define LE_INTR 0x0080
#define LE_INEA 0x0040
#define LE_RXON 0x0020
#define LE_TXON 0x0010
#define LE_TDMD 0x0008
#define LE_STOP 0x0004
#define LE_STRT 0x0002
#define LE_INIT 0x0001
#define LE_BSWP 0x0004
#define LE_ACON 0x0002
#define LE_BCON 0x0001
/*
* Overlayed on 16K dual-port RAM.
* Current size is 15,284 bytes with 8 x 1518 receive buffers and
* 2 x 1518 transmit buffers.
*/
/*
* LANCE initialization block
*/
struct init_block {
u_short mode; /* mode register */
u_char padr[6]; /* ethernet address */
u_long ladrf[2]; /* logical address filter (multicast) */
u_short rdra; /* low order pointer to receive ring */
u_short rlen; /* high order pointer and no. rings */
u_short tdra; /* low order pointer to transmit ring */
u_short tlen; /* high order pointer and no rings */
};
/*
* Mode bits -- init_block
*/
#define LE_PROM 0x8000 /* promiscuous */
#define LE_INTL 0x0040 /* internal loopback */
#define LE_DRTY 0x0020 /* disable retry */
#define LE_COLL 0x0010 /* force collision */
#define LE_DTCR 0x0008 /* disable transmit crc */
#define LE_LOOP 0x0004 /* loopback */
#define LE_DTX 0x0002 /* disable transmitter */
#define LE_DRX 0x0001 /* disable receiver */
#define LE_NORMAL 0x0000
/*
* Message descriptor
*/
struct mds {
u_short addr;
u_short flags;
u_short bcnt;
u_short mcnt;
};
/* Message descriptor flags */
#define LE_OWN 0x8000 /* owner bit, 0=host, 1=LANCE */
#define LE_ERR 0x4000 /* error */
#define LE_STP 0x0200 /* start of packet */
#define LE_ENP 0x0100 /* end of packet */
/* Receive ring status flags */
#define LE_FRAM 0x2000 /* framing error error */
#define LE_OFLO 0x1000 /* silo overflow */
#define LE_CRC 0x0800 /* CRC error */
#define LE_RBUFF 0x0400 /* buffer error */
/* Transmit ring status flags */
#define LE_MORE 0x1000 /* more than 1 retry */
#define LE_ONE 0x0800 /* one retry */
#define LE_DEF 0x0400 /* deferred transmit */
/* Transmit errors */
#define LE_TBUFF 0x8000 /* buffer error */
#define LE_UFLO 0x4000 /* silo underflow */
#define LE_LCOL 0x1000 /* late collision */
#define LE_LCAR 0x0800 /* loss of carrier */
#define LE_RTRY 0x0400 /* tried 16 times */
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