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[unix-history] / usr / src / sys / vax / if / if_dereg.h
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2af91c21 1/*
0880b18e 2 * Copyright (c) 1982, 1986 Regents of the University of California.
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3 * All rights reserved. The Berkeley software License Agreement
4 * specifies the terms and conditions for redistribution.
5 *
0880b18e 6 * @(#)if_dereg.h 7.1 (Berkeley) %G%
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7 */
8
02cf726b 9/*
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10 * DEC DEUNA interface
11 */
12struct dedevice {
13 union {
14 short p0_w;
15 char p0_b[2];
16 } u_p0;
17#define pcsr0 u_p0.p0_w
18#define pclow u_p0.p0_b[0]
19#define pchigh u_p0.p0_b[1]
20 short pcsr1;
21 short pcsr2;
22 short pcsr3;
23};
24
25/*
26 * PCSR 0 bit descriptions
27 */
28#define PCSR0_SERI 0x8000 /* Status error interrupt */
29#define PCSR0_PCEI 0x4000 /* Port command error interrupt */
30#define PCSR0_RXI 0x2000 /* Receive done interrupt */
31#define PCSR0_TXI 0x1000 /* Transmit done interrupt */
32#define PCSR0_DNI 0x0800 /* Done interrupt */
33#define PCSR0_RCBI 0x0400 /* Receive buffer unavail intrpt */
34#define PCSR0_FATI 0x0100 /* Fatal error interrupt */
35#define PCSR0_INTR 0x0080 /* Interrupt summary */
36#define PCSR0_INTE 0x0040 /* Interrupt enable */
37#define PCSR0_RSET 0x0020 /* DEUNA reset */
38#define PCSR0_CMASK 0x000f /* command mask */
39
40#define PCSR0_BITS "\20\20SERI\17PCEI\16RXI\15TXI\14DNI\13RCBI\11FATI\10INTR\7INTE\6RSET"
41
42/* bits 0-3 are for the PORT_COMMAND */
43#define CMD_NOOP 0x0
44#define CMD_GETPCBB 0x1 /* Get PCB Block */
45#define CMD_GETCMD 0x2 /* Execute command in PCB */
46#define CMD_STEST 0x3 /* Self test mode */
47#define CMD_START 0x4 /* Reset xmit and receive ring ptrs */
48#define CMD_BOOT 0x5 /* Boot DEUNA */
49#define CMD_PDMD 0x8 /* Polling demand */
50#define CMD_TMRO 0x9 /* Sanity timer on */
51#define CMD_TMRF 0xa /* Sanity timer off */
52#define CMD_RSTT 0xb /* Reset sanity timer */
53#define CMD_STOP 0xf /* Suspend operation */
54
55/*
56 * PCSR 1 bit descriptions
57 */
58#define PCSR1_XPWR 0x8000 /* Transceiver power BAD */
59#define PCSR1_ICAB 0x4000 /* Interconnect cabling BAD */
60#define PCSR1_STCODE 0x3f00 /* Self test error code */
61#define PCSR1_PCTO 0x0080 /* Port command timed out */
62#define PCSR1_ILLINT 0x0040 /* Illegal interrupt */
63#define PCSR1_TIMEOUT 0x0020 /* Timeout */
64#define PCSR1_POWER 0x0010 /* Power fail */
65#define PCSR1_RMTC 0x0008 /* Remote console reserved */
66#define PCSR1_STMASK 0x0007 /* State */
67
68/* bit 0-3 are for STATE */
69#define STAT_RESET 0x0
70#define STAT_PRIMLD 0x1 /* Primary load */
71#define STAT_READY 0x2
72#define STAT_RUN 0x3
73#define STAT_UHALT 0x5 /* UNIBUS halted */
74#define STAT_NIHALT 0x6 /* NI halted */
75#define STAT_NIUHALT 0x7 /* NI and UNIBUS Halted */
76
77#define PCSR1_BITS "\20\20XPWR\17ICAB\10PCTO\7ILLINT\6TIMEOUT\5POWER\4RMTC"
78
79/*
80 * Port Control Block Base
81 */
82struct de_pcbb {
83 short pcbb0; /* function */
84 short pcbb2; /* command specific */
85 short pcbb4;
86 short pcbb6;
87};
88
89/* PCBB function codes */
90#define FC_NOOP 0x00 /* NO-OP */
91#define FC_LSUADDR 0x01 /* Load and start microaddress */
92#define FC_RDDEFAULT 0x02 /* Read default physical address */
93#define FC_RDPHYAD 0x04 /* Read physical address */
94#define FC_WTPHYAD 0x05 /* Write physical address */
95#define FC_RDMULTI 0x06 /* Read multicast address list */
96#define FC_WTMULTI 0x07 /* Read multicast address list */
97#define FC_RDRING 0x08 /* Read ring format */
98#define FC_WTRING 0x09 /* Write ring format */
99#define FC_RDCNTS 0x0a /* Read counters */
100#define FC_RCCNTS 0x0b /* Read and clear counters */
101#define FC_RDMODE 0x0c /* Read mode */
102#define FC_WTMODE 0x0d /* Write mode */
103#define FC_RDSTATUS 0x0e /* Read port status */
104#define FC_RCSTATUS 0x0f /* Read and clear port status */
105#define FC_DUMPMEM 0x10 /* Dump internal memory */
106#define FC_LOADMEM 0x11 /* Load internal memory */
107#define FC_RDSYSID 0x12 /* Read system ID parameters */
108#define FC_WTSYSID 0x13 /* Write system ID parameters */
109#define FC_RDSERAD 0x14 /* Read load server address */
110#define FC_WTSERAD 0x15 /* Write load server address */
111
112/*
113 * Unibus Data Block Base (UDBB) for ring buffers
114 */
115struct de_udbbuf {
116 short b_tdrbl; /* Transmit desc ring base low 16 bits */
117 char b_tdrbh; /* Transmit desc ring base high 2 bits */
118 char b_telen; /* Length of each transmit entry */
119 short b_trlen; /* Number of entries in the XMIT desc ring */
120 short b_rdrbl; /* Receive desc ring base low 16 bits */
121 char b_rdrbh; /* Receive desc ring base high 2 bits */
122 char b_relen; /* Length of each receive entry */
123 short b_rrlen; /* Number of entries in the RECV desc ring */
124};
125
126/*
127 * Transmit/Receive Ring Entry
128 */
129struct de_ring {
130 short r_slen; /* Segment length */
131 short r_segbl; /* Segment address (low 16 bits) */
132 char r_segbh; /* Segment address (hi 2 bits) */
133 u_char r_flags; /* Status flags */
134 u_short r_tdrerr; /* Errors */
135#define r_lenerr r_tdrerr
136 short r_rid; /* Request ID */
137};
138
139#define XFLG_OWN 0x80 /* If 0 then owned by driver */
140#define XFLG_ERRS 0x40 /* Error summary */
141#define XFLG_MTCH 0x20 /* Address match on xmit request */
142#define XFLG_MORE 0x10 /* More than one entry required */
143#define XFLG_ONE 0x08 /* One collision encountered */
144#define XFLG_DEF 0x04 /* Transmit deferred */
145#define XFLG_STP 0x02 /* Start of packet */
146#define XFLG_ENP 0x01 /* End of packet */
147
148#define XFLG_BITS "\10\10OWN\7ERRS\6MTCH\5MORE\4ONE\3DEF\2STP\1ENP"
149
150#define XERR_BUFL 0x8000 /* Buffer length error */
151#define XERR_UBTO 0x4000 /* UNIBUS tiemout
152#define XERR_LCOL 0x1000 /* Late collision */
153#define XERR_LCAR 0x0800 /* Loss of carrier */
154#define XERR_RTRY 0x0400 /* Failed after 16 retries */
155#define XERR_TDR 0x03ff /* TDR value */
156
157#define XERR_BITS "\20\20BUFL\17UBTO\15LCOL\14LCAR\13RTRY"
158
159#define RFLG_OWN 0x80 /* If 0 then owned by driver */
160#define RFLG_ERRS 0x40 /* Error summary */
161#define RFLG_FRAM 0x20 /* Framing error */
162#define RFLG_OFLO 0x10 /* Message overflow */
163#define RFLG_CRC 0x08 /* CRC error */
164#define RFLG_STP 0x02 /* Start of packet */
165#define RFLG_ENP 0x01 /* End of packet */
166
167#define RFLG_BITS "\10\10OWN\7ERRS\6FRAM\5OFLO\4CRC\2STP\1ENP"
168
169#define RERR_BUFL 0x8000 /* Buffer length error */
170#define RERR_UBTO 0x4000 /* UNIBUS tiemout */
171#define RERR_NCHN 0x2000 /* No data chaining */
172#define RERR_MLEN 0x0fff /* Message length */
173
174#define RERR_BITS "\20\20BUFL\17UBTO\16NCHN"
175
176/* mode description bits */
177#define MOD_HDX 0x0001 /* Half duplex mode */
178#define MOD_LOOP 0x0004 /* Enable internal loopback */
179#define MOD_DTCR 0x0008 /* Disables CRC generation */
180#define MOD_DMNT 0x0200 /* Disable maintenance features */
181#define MOD_ECT 0x0400 /* Enable collision test */
182#define MOD_TPAD 0x1000 /* Transmit message pad enable */
183#define MOD_DRDC 0x2000 /* Disable data chaining */
184#define MOD_ENAL 0x4000 /* Enable all multicast */
185#define MOD_PROM 0x8000 /* Enable promiscuous mode */
186
187struct de_buf {
188 struct ether_header db_head; /* header */
189 char db_data[ETHERMTU]; /* packet data */
190 int db_crc; /* CRC - on receive only */
191};