first pass at xns additions. More to come from nesheim@cornell.
[unix-history] / usr / src / sys / vax / if / if_vv.h
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1/*
2 * Copyright (c) 1982 Regents of the University of California.
3 * All rights reserved. The Berkeley software License Agreement
4 * specifies the terms and conditions for redistribution.
5 *
6 * @(#)if_vv.h 4.8 (Berkeley) %G%
7 */
1a568327 8
41b6ae6c 9/*
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10 * ECO 176-748 changed the braodcast address from 0 to 0xff, at
11 * CTL (p1002) serial number around 150.
12 * It was implemented in August, 1982. This is a field-installable ECO,
13 * which improves net reliability. If the broadcast address has not been
14 * changed, comment out the following line.
41b6ae6c 15 */
1a568327 16#define NEW_BROADCAST /* new chip for broadcast problem */
4cdd59b5 17
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18/*
19 * Local network header for proNET Ring
20 * This is arbitrated by "jas@proteon"
21 * (aka John Shriver, 617-655-3340)
22 */
4cdd59b5 23
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24struct vv_header {
25 /* the first two fields are required by the hardware */
26 u_char vh_dhost; /* destination address */
27 u_char vh_shost; /* source address */
28 /* the next three fields are the local network header */
29 u_char vh_version; /* header version */
30 u_char vh_type; /* packet type => protocol number */
31 short vh_info; /* protocol-specific information */
32};
33
4cdd59b5 34#define RING_VERSION 2 /* current version of v2lni header */
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35
36/*
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37 * Packet types (protocol numbers) in proNET protocol header
38 * Other types are defined, but are proprietary.
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39 */
40#define RING_IP 1
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41#define RING_IPTrailer 2 /* really, 3 = 512 bytes */
42 /* 4 = 1024 bytes */
43 /* 5 = 1536 bytes */
44 /* it's really very messed-up! */
45#define RING_IPNTrailer 4 /* not a number, but a range */
46#define RING_ARP 3 /* the next three conflict with trailers */
47#define RING_HDLC 4
48#define RING_VAXDB 5
49#define RING_RINGWAY 6
50#define RING_RINGWAYM 8
51#define RING_NOVELL 10
52#define RING_PUP 12
53#define RING_XNS 14
54#define RING_DIAGNOSTICS 15 /* protocol type for testing */
55#define RING_ECHO 16
41b6ae6c 56
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57#ifdef NEW_BROADCAST
58#define VV_BROADCAST 0xff /* hardware-defined broadcast address */
59#else
60#define VV_BROADCAST 0x00 /* hardware-defined broadcast address */
61#endif
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62
63/*
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64 * Proteon proNET Hardware definitions
65 * register bit definitions
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66 */
67#define VV_ENB 01 /* Enable Operation */
68#define VV_DEN 02 /* Enable DMA */
69#define VV_HEN 04 /* Host Relay Enable (Rcv) */
70#define VV_CPB 04 /* Clear Packet Buffer (Xmit) */
71#define VV_STE 010 /* Self Test Enable (Rcv) */
72#define VV_UT1 010 /* Unused (Xmit) */
73#define VV_LPB 020 /* Modem Disable (Rcv) */
74#define VV_INR 020 /* Initialize Ring (Xmit) */
75#define VV_RST 040 /* Reset */
76#define VV_IEN 0100 /* Interrupt Enable */
77#define VV_RDY 0200 /* Done */
78#define VV_DPR 0400 /* Data Present (Rcv) */
79#define VV_RFS 0400 /* Refused (Xmit) */
80#define VV_NXM 01000 /* Non Existent Memory */
81#define VV_OVR 02000 /* Overrun */
1a568327 82#define VV_ODB 04000 /* Odd Byte (Rcv) */
41b6ae6c 83#define VV_UT2 04000 /* Unused (Xmit) */
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84#define VV_LDE 010000 /* Parity on 10 megabit (Rcv), */
85 /* Link Data Error on 80 megabit (Rcv) */
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86#define VV_OPT 010000 /* Output Timeout (Xmit) */
87#define VV_NOK 020000 /* Ring Not OK */
88#define VV_BDF 040000 /* Bad Format in Operation */
89#define VV_NIR 0100000 /* Not in Ring */
90
91#define VVXERR (VV_NXM|VV_OVR|VV_OPT|VV_BDF) /* Xmit errs */
92#define VVRERR (VV_NXM|VV_OVR|VV_ODB|VV_BDF) /* Rcv errs */
93#define VVFE (VV_NXM|VV_OVR) /* Fatal errors */
94
95#define VV_IBITS \
96"\10\20NIR\17BDF\16NOK\15LDE\14ODB\13OVR\12NXM\11DPR\10RDY\7IEN\6RST\5LPB\4STE\3HEN\2DEN\1ENB"
97
98#define VV_OBITS \
99"\10\20NIR\17BDF\16NOK\15OPT\13OVR\12NXM\11RFS\10RDY\7IEN\6RST\5INR\3HEN\2DEN\1ENB"
100
101/* device registers */
102struct vvreg {
103 short vvicsr; /* input csr */
104 u_short vviwc; /* input word count */
105 u_short vviba; /* input addr lo */
106 u_short vviea; /* input addr hi */
107 short vvocsr; /* output csr */
108 u_short vvowc; /* output word count */
109 u_short vvoba; /* output addr lo */
110 u_short vvoea; /* output addr hi */
111};
112
6593c6ac 113#define VVRETRY 7 /* output retry limit */
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114#define VVIDENTSUCC 5 /* number of successes required in self-test */
115#define VVIDENTRETRY 10 /* identify loop attempt limit */
6593c6ac 116#define VVTIMEOUT 60 /* seconds before a transmit timeout */