NetBSD/sys/arch/next68k/dev/enreg.h

94 lines
4.2 KiB
C

/* $NetBSD: enreg.h,v 1.1.1.1 1998/06/09 07:53:05 dbj Exp $ */
/*
* Copyright (c) 1997 Rolf Grossmann
* 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 Rolf Grossmann.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* Ethernet chip description
*/
struct en_regs {
unsigned char txstat; /* 0 */
unsigned char txmask; /* 1 */
unsigned char rxstat; /* 2 */
unsigned char rxmask; /* 3 */
unsigned char txmode; /* 4 */
unsigned char rxmode; /* 5 */
unsigned char reset; /* 6 */
char pad;
unsigned char addr[6]; /* 8 to d - "physical" network address */
};
#define EN_TXS_READY 0x80 /* ready for packet */
#define EN_TXS_BUSY 0x40 /* receive carrier detect */
#define EN_TXS_TXRECV 0x20 /* transmission received */
#define EN_TXS_SHORTED 0x10 /* possible coax short */
#define EN_TXS_UNDERFLOW 0x08 /* underflow on xmit */
#define EN_TXS_COLLERR 0x04 /* collision detected */
#define EN_TXS_COLLERR16 0x02 /* 16th collision error */
#define EN_TXS_PARERR 0x01 /* parity error in tx data */
#define EN_TXM_READYIE 0x80 /* tx int on packet ready */
#define EN_TXM_TXRXIE 0x20 /* tx int on transmit rec'd */
#define EN_TXM_UNDERFLOWIE 0x08 /* tx int on underflow */
#define EN_TXM_COLLIE 0x04 /* tx int on collision */
#define EN_TXM_COLL16IE 0x02 /* tx int on 16th collision */
#define EN_TXM_PARERRIE 0x01 /* tx int on parity error */
/* same bits for rxstat and rxmask */
#define EN_RX_OK 0x80 /* packet received ok */
#define EN_RX_RESET 0x10 /* reset packet received */
#define EN_RX_SHORT 0x08 /* < minimum length */
#define EN_RX_ALIGNERR 0x04 /* alignment error */
#define EN_RX_CRCERR 0x02 /* CRC error */
#define EN_RX_OVERFLOW 0x01 /* receiver FIFO overflow */
#define EN_TMD_COLLMASK 0xf0 /* collision count */
#define EN_TMD_COLLSHIFT 4
#define EN_TMD_PARIGNORE 0x08 /* ignore parity */
#define EN_TMD_LB_DISABLE 0x02 /* loop back disabled */
#define EN_TMD_DISCONTENT 0x01 /* disable contention (rx carrier) */
#define EN_RMD_TEST 0x80 /* must be zero */
#define EN_RMD_ADDRSIZE 0x10 /* reduces NODE match to 5 chars */
#define EN_RMD_SHORTENABLE 0x08 /* "rx packets >= 10 bytes" - <? */
#define EN_RMD_RESETENABLE 0x04 /* dunno, treat as MBZ */
#define EN_RMD_WHATRECV 0x03 /* controls what packets are received */
#define EN_RMD_RECV_PROMISC 0x03 /* all packets */
#define EN_RMD_RECV_MULTI 0x02 /* accept broad/multicasts */
#define EN_RMD_RECV_NORMAL 0x01 /* accept broad/limited multicasts */
#define EN_RMD_RECV_NONE 0x00 /* accept no packets */
#define EN_RST_RESET 0x80 /* reset interface */
#define ENRX_EOP 0x80000000 /* end-of-packet flag */
#define ENRX_BOP 0x40000000 /* beginning-of-packet flag */
#define ENTX_EOP 0x80000000 /* end-of-packet flag */