if_lereg.h revision 1.2
1 /* 2 * Copyright (c) 1982, 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * from: @(#)if_lereg.h 7.1 (Berkeley) 5/8/90 34 * $Id: if_lereg.h,v 1.2 1993/05/22 07:56:25 cgd Exp $ 35 */ 36 37 #define LEID 21 38 39 #define LEMTU 1518 40 #define LEMINSIZE 60 /* should be 64 if mode DTCR is set */ 41 #define LERBUF 8 42 #define LERBUFLOG2 3 43 #define LE_RLEN (LERBUFLOG2 << 13) 44 #define LETBUF 1 45 #define LETBUFLOG2 0 46 #define LE_TLEN (LETBUFLOG2 << 13) 47 48 #define vu_char volatile u_char 49 50 /* 51 * LANCE registers. 52 */ 53 struct lereg0 { 54 u_char ler0_pad0; 55 vu_char ler0_id; /* ID */ 56 u_char ler0_pad1; 57 vu_char ler0_status; /* interrupt enable/status */ 58 }; 59 60 struct lereg1 { 61 u_short ler1_rdp; /* data port */ 62 u_short ler1_rap; /* register select port */ 63 }; 64 65 /* 66 * Overlayed on 16K dual-port RAM. 67 * Current size is 13,758 bytes with 8 x 1518 receive buffers and 68 * 1 x 1518 transmit buffer. 69 */ 70 struct lereg2 { 71 /* init block */ 72 u_short ler2_mode; /* +0x0000 */ 73 u_char ler2_padr[6]; /* +0x0002 */ 74 u_long ler2_ladrf0; /* +0x0008 */ 75 u_long ler2_ladrf1; /* +0x000C */ 76 u_short ler2_rdra; /* +0x0010 */ 77 u_short ler2_rlen; /* +0x0012 */ 78 u_short ler2_tdra; /* +0x0014 */ 79 u_short ler2_tlen; /* +0x0016 */ 80 /* receive message descriptors */ 81 struct lermd { /* +0x0018 */ 82 u_short rmd0; 83 u_short rmd1; 84 short rmd2; 85 u_short rmd3; 86 } ler2_rmd[LERBUF]; 87 /* transmit message descriptors */ 88 struct letmd { /* +0x0058 */ 89 u_short tmd0; 90 u_short tmd1; 91 short tmd2; 92 u_short tmd3; 93 } ler2_tmd[LETBUF]; 94 char ler2_rbuf[LERBUF][LEMTU]; /* +0x0060 */ 95 char ler2_tbuf[LETBUF][LEMTU]; /* +0x2FD0 */ 96 }; 97 98 /* 99 * Control and status bits -- lereg0 100 */ 101 #define LE_IE 0x80 /* interrupt enable */ 102 #define LE_IR 0x40 /* interrupt requested */ 103 #define LE_LOCK 0x08 /* lock status register */ 104 #define LE_ACK 0x04 /* ack of lock */ 105 #define LE_JAB 0x02 /* loss of tx clock (???) */ 106 #define LE_IPL(x) ((((x) >> 4) & 0x3) + 3) 107 108 /* 109 * Control and status bits -- lereg1 110 */ 111 #define LE_CSR0 0 112 #define LE_CSR1 1 113 #define LE_CSR2 2 114 #define LE_CSR3 3 115 116 #define LE_SERR 0x8000 117 #define LE_BABL 0x4000 118 #define LE_CERR 0x2000 119 #define LE_MISS 0x1000 120 #define LE_MERR 0x0800 121 #define LE_RINT 0x0400 122 #define LE_TINT 0x0200 123 #define LE_IDON 0x0100 124 #define LE_INTR 0x0080 125 #define LE_INEA 0x0040 126 #define LE_RXON 0x0020 127 #define LE_TXON 0x0010 128 #define LE_TDMD 0x0008 129 #define LE_STOP 0x0004 130 #define LE_STRT 0x0002 131 #define LE_INIT 0x0001 132 133 #define LE_BSWP 0x4 134 #define LE_MODE 0x0 135 136 /* 137 * Control and status bits -- lereg2 138 */ 139 #define LE_OWN 0x8000 140 #define LE_ERR 0x4000 141 #define LE_STP 0x0200 142 #define LE_ENP 0x0100 143 144 #define LE_FRAM 0x2000 145 #define LE_OFLO 0x1000 146 #define LE_CRC 0x0800 147 #define LE_RBUFF 0x0400 148 #define LE_MORE 0x1000 149 #define LE_ONE 0x0800 150 #define LE_DEF 0x0400 151 #define LE_TBUFF 0x8000 152 #define LE_UFLO 0x4000 153 #define LE_LCOL 0x1000 154 #define LE_LCAR 0x0800 155 #define LE_RTRY 0x0400 156
Indexes created Tue Sep 30 20:09:53 GMT 2025