/* $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" -