Annotation of sys/arch/hp300/stand/include/if_lereg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_lereg.h,v 1.3 2006/08/17 06:31:10 miod Exp $ */
2: /* $NetBSD: if_lereg.h,v 1.1 1996/01/01 18:10:56 thorpej Exp $ */
3:
4: /*
5: * Copyright (c) 1982, 1990 The Regents of the University of California.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. Neither the name of the University nor the names of its contributors
17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: *
32: * @(#)if_lereg.h 7.1 (Berkeley) 5/8/90
33: */
34:
35: #define LEID 21
36:
37: #define NTBUF 2
38: #define TLEN 1
39: #define NRBUF 8
40: #define RLEN 3
41: #define BUFSIZE 1518
42:
43: #define vu_char volatile u_char
44: #define vu_short volatile u_short
45:
46: /*
47: * LANCE registers.
48: */
49: struct lereg0 {
50: u_char ler0_pad0;
51: vu_char ler0_id; /* ID */
52: u_char ler0_pad1;
53: vu_char ler0_status; /* interrupt enable/status */
54: };
55:
56: /*
57: * Control and status bits -- lereg0
58: */
59: #define LE_IE 0x80 /* interrupt enable */
60: #define LE_IR 0x40 /* interrupt requested */
61: #define LE_LOCK 0x08 /* lock status register */
62: #define LE_ACK 0x04 /* ack of lock */
63: #define LE_JAB 0x02 /* loss of tx clock (???) */
64: #define LE_IPL(x) ((((x) >> 4) & 0x3) + 3)
65:
66: struct lereg1 {
67: vu_short ler1_rdp; /* data port */
68: vu_short ler1_rap; /* register select port */
69: };
70:
71: /*
72: * Control and status bits -- lereg1
73: */
74: #define LE_SERR 0x8000
75: #define LE_BABL 0x4000
76: #define LE_CERR 0x2000
77: #define LE_MISS 0x1000
78: #define LE_MERR 0x0800
79: #define LE_RINT 0x0400
80: #define LE_TINT 0x0200
81: #define LE_IDON 0x0100
82: #define LE_INTR 0x0080
83: #define LE_INEA 0x0040
84: #define LE_RXON 0x0020
85: #define LE_TXON 0x0010
86: #define LE_TDMD 0x0008
87: #define LE_STOP 0x0004
88: #define LE_STRT 0x0002
89: #define LE_INIT 0x0001
90:
91: #define LE_BSWP 0x0004
92: #define LE_ACON 0x0002
93: #define LE_BCON 0x0001
94:
95: /*
96: * Overlayed on 16K dual-port RAM.
97: * Current size is 15,284 bytes with 8 x 1518 receive buffers and
98: * 2 x 1518 transmit buffers.
99: */
100:
101: /*
102: * LANCE initialization block
103: */
104: struct init_block {
105: u_short mode; /* mode register */
106: u_char padr[6]; /* ethernet address */
107: u_long ladrf[2]; /* logical address filter (multicast) */
108: u_short rdra; /* low order pointer to receive ring */
109: u_short rlen; /* high order pointer and no. rings */
110: u_short tdra; /* low order pointer to transmit ring */
111: u_short tlen; /* high order pointer and no rings */
112: };
113:
114: /*
115: * Mode bits -- init_block
116: */
117: #define LE_PROM 0x8000 /* promiscuous */
118: #define LE_INTL 0x0040 /* internal loopback */
119: #define LE_DRTY 0x0020 /* disable retry */
120: #define LE_COLL 0x0010 /* force collision */
121: #define LE_DTCR 0x0008 /* disable transmit crc */
122: #define LE_LOOP 0x0004 /* loopback */
123: #define LE_DTX 0x0002 /* disable transmitter */
124: #define LE_DRX 0x0001 /* disable receiver */
125: #define LE_NORMAL 0x0000
126:
127: /*
128: * Message descriptor
129: */
130: struct mds {
131: u_short addr;
132: u_short flags;
133: u_short bcnt;
134: u_short mcnt;
135: };
136:
137: /* Message descriptor flags */
138: #define LE_OWN 0x8000 /* owner bit, 0=host, 1=LANCE */
139: #define LE_ERR 0x4000 /* error */
140: #define LE_STP 0x0200 /* start of packet */
141: #define LE_ENP 0x0100 /* end of packet */
142:
143: /* Receive ring status flags */
144: #define LE_FRAM 0x2000 /* framing error error */
145: #define LE_OFLO 0x1000 /* silo overflow */
146: #define LE_CRC 0x0800 /* CRC error */
147: #define LE_RBUFF 0x0400 /* buffer error */
148:
149: /* Transmit ring status flags */
150: #define LE_MORE 0x1000 /* more than 1 retry */
151: #define LE_ONE 0x0800 /* one retry */
152: #define LE_DEF 0x0400 /* deferred transmit */
153:
154: /* Transmit errors */
155: #define LE_TBUFF 0x8000 /* buffer error */
156: #define LE_UFLO 0x4000 /* silo underflow */
157: #define LE_LCOL 0x1000 /* late collision */
158: #define LE_LCAR 0x0800 /* loss of carrier */
159: #define LE_RTRY 0x0400 /* tried 16 times */
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