![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to if_exreg.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [CSRG BSD Unix] / 43BSDReno / sys / tahoeif|
Return to if_exreg.h CVS log | Up to [CSRG BSD Unix] / 43BSDReno / sys / tahoeif |
1.1 root 1: /*
2: * Copyright (c) 1989 The Regents of the University of California.
3: * All rights reserved.
4: *
5: * This code is derived from software contributed to Berkeley by
6: * Excelan Inc.
7: *
8: * Redistribution is only permitted until one year after the first shipment
9: * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and
10: * binary forms are permitted provided that: (1) source distributions retain
11: * this entire copyright notice and comment, and (2) distributions including
12: * binaries display the following acknowledgement: This product includes
13: * software developed by the University of California, Berkeley and its
14: * contributors'' in the documentation or other materials provided with the
15: * distribution and in all advertising materials mentioning features or use
16: * of this software. Neither the name of the University nor the names of
17: * its contributors may be used to endorse or promote products derived from
18: * this software without specific prior written permission.
19: * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
20: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
21: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22: *
23: * @(#)if_exreg.h 7.3 (Berkeley) 6/28/90
24: */
25:
26: struct exdevice {
27: ushort ex_porta; /* write on porta resets EXOS */
28: ushort ex_portb; /* write on portb interrupts EXOS */
29: };
30:
31: /* EXOS I/O PORT A write definitions */
32: #define EX_RESET 0 /* value doesn't really matter... */
33:
34: /* EXOS I/O PORT B write definitions */
35: #define EX_NTRUPT 0
36:
37: /* EXOS I/O PORT B read definitions */
38: #define EX_TESTOK 1 /* set when self-diagnostics passed */
39: #define EX_UNREADY (1<<3) /* set until EXOS ready to read from B */
40:
41: /* message buffer status field definitions */
42: #define MH_OWNER 1 /* mask for status bit for owner */
43: #define MH_HOST 0 /* if 0, the host owns the buffer */
44: #define MH_EXOS 1 /* if 1, the EXOS owns the buffer */
45:
46: /* EXOS Link Level request codes */
47: #define LLTRANSMIT 0xC /* send a packet */
48: #define LLRTRANSMIT 0xE /* send a packet, and self-receive */
49: #define LLRECEIVE 0xD /* receive a packet */
50: #define LLNET_MODE 0x8 /* read/write mode control objects */
51: #define LLNET_ADDRS 0x9 /* read/write receive address slots */
52: #define LLNET_RECV 0xA /* read/alter receive slot enable bit */
53: #define LLNET_STSTCS 0xB /* read/reset network statistics objects */
54:
55: /* Link Level return codes common to all requests */
56: #define LL_OK 0 /* successful completion */
57: #define LLX_MODE 0xA1 /* EXOS not in link level mode (impossible) */
58:
59: /* LLTRANSMIT unique return codes */
60: #define LLXM_1RTRY 0x1 /* successful xmission, 1 retry */
61: #define LLXM_RTRYS 0x2 /* successful xmission, more than 1 retry */
62: #define LLXM_NSQE 0x8 /* successful xmission, no SQE TEST signal */
63: #define LLXM_CLSN 0x10 /* xmission failed, excess retries */
64: #define LLXM_NCS 0x20 /* xmission failed, no carrier sense */
65: #define LLXM_LNGTH 0x40 /* xmission failed, bad packet length */
66: #define XMIT_BITS "\7\7LENGTH\6CARRIER\5XCLSNS\4SQETST"
67: /*#define LLXM_ERROR (LLXM_NSQE|LLXM_CLSN|LLXM_NCS|LLXM_LNGTH)*/
68: #define LLXM_ERROR (LLXM_CLSN|LLXM_NCS|LLXM_LNGTH)
69:
70: /* LLRECEIVE unique return codes */
71: #define LLRC_TRUNC 0x4 /* pkt received, but truncated to fit buffer */
72: #define LLRC_ALIGN 0x10 /* pkt received, but with alignment error */
73: #define LLRC_CRC 0x20 /* pkt received, but with CRC error */
74: #define LLRC_BUFLEN 0x40 /* no pkt received, buffer less than 64 bytes */
75: /* this should never happen here */
76: #define RECV_BITS "\7\7BUFLEN\6CRC\5ALIGN\3TRUNC"
77:
78: /* LLNET_ADDRS unique return codes */
79: #define LLNA_BADSLOT 0xD1 /* slot doesn't exist or can't be accessed */
80: #define LLNA_BADADDR 0xD3 /* invalid address for designated slot */
81:
82: /* LLNET_RECV unique return codes */
83: #define LLNR_BADSLOT 0xD1 /* slot doesn't exist or can't be accessed */
84: #define LLNR_BADADDR 0xD2 /* designated slot was empty */
85:
86: /* address slot object indices */
87: #define NULLSLOT 0 /* the null slot */
88: #define MINMCSLOT 1 /* minimum multicast slot index */
89: #define MAXMCSLOT 8 /* default maximum multicast slot index */
90: #define PHYSSLOT 253 /* physical slot index */
91: #define UNVRSSLOT 254 /* universal slot index */
92: #define BROADSLOT 255 /* broadcast slot index */
93:
94: /* request mask bit definitions */
95: #define WRITE_OBJ 1 /* write the object */
96: #define READ_OBJ 2 /* read the object */
97: #define ENABLE_RCV 4 /* enable reception on designated slot */
98:
99: /* NET_MODE options mask bit definitions */
100: #define OPT_ALIGN 0x10 /* receive packets with alignment errors */
101: #define OPT_CRC 0x20 /* receive packets with CRC errors */
102: #define OPT_DSABLE 0x80 /* disconnect controller hardware */
103:
104: /* NET_MODE mode field value definitions */
105: #define MODE_OFF 0 /* stop transmission and reception */
106: #define MODE_PERF 1 /* perfect multicast address filtering */
107: #define MODE_HW 2 /* hardware-only multicast address filtering */
108: #define MODE_PROM 3 /* promiscuous reception */
109:
110: #define NFRAGMENTS 8 /* number fragments that the EXOS will scatter/gather */
111: #define EXMAXRBUF 1518 /* per EXOS 202 manual 5.3.7 (maybe 1518 would do) */
112:
113: /*
114: * N.B. Structures below are carefully constructed so that
115: * they correspond to the message formats that NX firmware
116: * defines. None of them should contain any compiler-instigated
117: * padding. Be especially careful about VAX C longword alignment!
118: */
119:
120: struct ex_stat {
121: u_long sa_fsent; /* frames sent without errors */
122: u_long sa_xsclsn; /* frames aborted excess collisions */
123: u_long sa_nsqe; /* frames subject to heartbeat failure */
124: u_long sa_undef; /* undefined (TDR on EXOS 101) */
125: u_long sa_frcvd; /* frames received no errors */
126: u_long sa_align; /* frames received alignment error */
127: u_long sa_crc; /* frames received crc error */
128: u_long sa_flost; /* frames lost */
129: };
130:
131: struct buf_blk { /* packet/buffer block descriptor */
132: u_short bb_len; /* length of block, in bytes */
133: struct i86_long {
134: u_short realaddr[2]; /* address of block */
135: } bb_addr;
136: /*
137: * Array above is really a single u_long field.
138: * We kludge its definition to defeat word-alignment.
139: */
140: };
141:
142: struct net_mode { /* read/write mode control objects */
143: /*12*/ u_char nm_rqst; /* request code */
144: /*13*/ u_char nm_rply; /* reply code */
145: /*14*/ u_char nm_mask; /* bit-wise switches for read, write */
146: /*15*/ u_char nm_optn; /* acceptable packet reception errors */
147: /*16*/ u_char nm_mode; /* EXOS filtering mode */
148: /*17*/
149: };
150:
151: struct net_addrs { /* read/write receive address slots */
152: /*12*/ u_char na_rqst; /* request code */
153: /*13*/ u_char na_rply; /* reply code */
154: /*14*/ u_char na_mask; /* bit-wise switches for read, write */
155: /*15*/ u_char na_slot; /* index of address slot */
156: /*16*/ u_char na_addrs[6]; /* address read and/or written */
157: /*22*/
158: };
159:
160: struct net_recv { /* read/alter receive slot enable bit */
161: /*12*/ u_char nr_rqst; /* request code */
162: /*13*/ u_char nr_rply; /* reply code */
163: /*14*/ u_char nr_mask; /* bit-wise switches for read, write */
164: /*15*/ u_char nr_slot; /* index of address slot */
165: /*16*/
166: };
167:
168: struct net_ststcs { /* read/reset network statistics objects */
169: /*12*/ u_char ns_rqst; /* request code */
170: /*13*/ u_char ns_rply; /* reply code */
171: /*14*/ u_char ns_mask; /* bit-wise switches for read, write */
172: /*15*/ u_char ns_rsrv; /* reserved for EXOS */
173: /*16*/ u_short ns_nobj; /* number of objects to work on */
174: /*18*/ u_short ns_xobj; /* index of first object to work on */
175: /*20*/ u_long ns_bufp; /* pointer to statistics buffer */
176: /*24*/
177: };
178:
179: struct enet_xmit { /* send a packet on the Ethernet */
180: /*12*/ u_char et_rqst; /* request code */
181: /*13*/ u_char et_rply; /* reply code */
182: /*14*/ u_char et_slot; /* address slot matching dest address */
183: /*15*/ u_char et_nblock; /* number of blocks composing packet */
184: /*16*/ struct buf_blk et_blks[NFRAGMENTS]; /* array of block descriptors */
185: /*22-64*/
186: };
187:
188: struct enet_recv { /* receive a packet on the Ethernet */
189: /*12*/ u_char er_rqst; /* request code */
190: /*13*/ u_char er_rply; /* reply code */
191: /*14*/ u_char er_slot; /* address slot matching dest address */
192: /*15*/ u_char er_nblock; /* number of blocks composing buffer */
193: /*16*/ struct buf_blk er_blks[NFRAGMENTS]; /* array of block descriptors */
194: /*22-64*/
195: };
196:
197: /* we send requests and receive replys with the EXOS using this structure */
198: struct ex_msg {
199: /*00*/ u_short mb_link; /* address of next message buffer */
200: /*02*/ u_char mb_rsrv; /* reserved for use by EXOS */
201: /*03*/ u_char mb_status; /* used bit-wise for message protocol */
202: /*04*/ u_short mb_length; /* length, in bytes, of the rest */
203: /*06*/ short mb_1rsrv; /* reserved for used by EXOS */
204: /*08*/ struct ifvba *mb_pkb; /* available to user */
205: /*12*/ union mb_all {
206: struct net_mode mb_net_mode;
207: struct net_addrs mb_net_addrs;
208: struct net_recv mb_net_recv;
209: struct net_ststcs mb_net_ststcs;
210: struct enet_xmit mb_enet_xmit;
211: struct enet_recv mb_enet_recv;
212: } mb_all;
213: /* following field is used only by host, not read by board */
214: struct ex_msg *mb_next; /* host's pointer to next message */
215: };
216: #define mb_nm mb_all.mb_net_mode
217: #define mb_na mb_all.mb_net_addrs
218: #define mb_nr mb_all.mb_net_recv
219: #define mb_ns mb_all.mb_net_ststcs
220: #define mb_et mb_all.mb_enet_xmit
221: #define mb_er mb_all.mb_enet_recv
222: #define mb_rqst mb_nm.nm_rqst
223: #define mb_rply mb_nm.nm_rply
224: #define MBDATALEN (sizeof(union mb_all)+6)
225:
226: struct ex_conf {
227: /*00*/ u_short cm_1rsrv; /* reserved, must be 1 */
228: /*02*/ char cm_vc[4]; /* returns ASCII version code */
229: /*06*/ u_char cm_cc; /* returns config completion code */
230: /*07*/ u_char cm_opmode; /* specifies operation mode */
231: /*08*/ u_short cm_dfo; /* specifies host data format option */
232: /*00*/ u_char cm_dcn1; /* reserved, must be 1 */
233: /*11*/ u_char cm_2rsrv[2]; /* reserved, must be 0 */
234: /*13*/ u_char cm_ham; /* specifies host address mode */
235: /*14*/ u_char cm_3rsrv; /* reserved, must be 0 */
236: /*15*/ u_char cm_mapsiz; /* reserved, must be 0 */
237: /*16*/ u_char cm_byteptrn[4]; /* host data format option test pattern */
238: /*20*/ u_short cm_wordptrn[2];
239: /*24*/ u_long cm_lwordptrn;
240: /*28*/ u_char cm_rsrvd[20];
241: /*48*/ u_long cm_mba; /* use 0xFFFFFFFF in link level mode */
242: /*52*/ u_char cm_nproc; /* use 0xFF in link level mode */
243: /*53*/ u_char cm_nmbox; /* use 0xFF in link level mode */
244: /*54*/ u_char cm_nmcast; /* use 0xFF in link level mode */
245: /*55*/ u_char cm_nhost; /* use 1 in link level mode */
246:
247: /* the next five parameters define the request message queue */
248: /*56*/ u_long cm_h2xba; /* base address of message queue */
249: /*60*/ u_short cm_h2xhdr; /* address offset of msg Q header */
250: /*62*/ u_char cm_h2xtyp; /* interrupt type */
251: /*63*/ u_char cm_h2xval; /* interrupt value (not used) */
252: /*64*/ u_short cm_h2xaddr; /* interrupt vector */
253: /*66*/ u_short cm_h2xpad; /* pad out unused portion of vector */
254:
255: /* the next five parameters define the reply message queue */
256: /*68*/ u_long cm_x2hba; /* base address of message queue */
257: /*72*/ u_short cm_x2hhdr; /* address offset of msg Q header */
258: /*74*/ u_char cm_x2htyp; /* interrupt type */
259: /*75*/ u_char cm_x2hval; /* interrupt value (not used) */
260: /*76*/ u_short cm_x2haddr; /* interrupt vector */
261: /*78*/ u_short cm_x2hpad; /* pad out unused portion of vector */
262: /*80*/
263: };
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.