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1.1 root 1: /* @(#)if_ddnvar.h 7.1 (Berkeley) 6/5/86 */
2:
3:
4:
5: /************************************************************************\
6:
7: ________________________________________________________
8: / \
9: | AAA CCCCCCCCCCCCCC CCCCCCCCCCCCCC |
10: | AAAAA CCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCC |
11: | AAAAAAA CCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCC |
12: | AAAA AAAA CCCC CCCC |
13: | AAAA AAAA CCCC CCCC |
14: | AAAA AAAA CCCC CCCC |
15: | AAAA AAAA CCCC CCCC |
16: | AAAA AAAAAAAAAAA CCCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCCC |
17: | AAAA AAAAAAAAAAA CCCCCCCCCCCCCCCC CCCCCCCCCCCCCCCC |
18: | AAAA AAAAAAAAA CCCCCCCCCCCCCC CCCCCCCCCCCCCC |
19: \________________________________________________________/
20:
21: Copyright (c) 1985 by Advanced Computer Communications
22: 720 Santa Barbara Street, Santa Barbara, California 93101
23: (805) 963-9431
24:
25: This software may be duplicated and used on systems
26: which are licensed to run U.C. Berkeley versions of
27: the UNIX operating system. Any duplication of any
28: part of this software must include a copy of ACC's
29: copyright notice.
30:
31:
32: File:
33: if_ddnvar.h
34:
35: Author:
36: Art Berggreen
37:
38: Project:
39: 4.2 DDN X.25 network driver
40:
41: Function:
42: This file contains definitions used to control and
43: track the status of the ACP625 (IF-11/X25).
44:
45: Components:
46:
47: Revision History:
48: 16-May-1985: V1.0 - First release.
49: Art Berggreen.
50:
51: \************************************************************************/
52:
53:
54: /* if_ddnvar.h V1.0 5/16/85 */
55:
56: /* program parameters */
57:
58: #define DDNMTU 1006 /* maximum IP msg length */
59: #define DDN_OQMAX 8 /* max IP msgs on LCN output q */
60: #define NDDNCH 32 /* number of X.25 channels */
61: #define DELAY_CNT 50000
62: #define DDN_TIMEOUT 10
63:
64: #define DC_OBUSY 0x01
65:
66: typedef unsigned char byte;
67: typedef int boolean;
68:
69: /* X25 LCN state definitions */
70: #define LC_DOWN 0 /* X25 circuit down */
71: #define LC_RESTART 1 /* X25 circuit restarting */
72: #define LC_IDLE 2 /* X25 circuit not in use */
73: #define LC_CALL_PENDING 3 /* X25 circuit call pending */
74: #define LC_DATA_IDLE 4 /* X25 circuit open */
75: #define LC_CLR_PENDING 5 /* X25 circuit clear pending */
76:
77: /* Timeout definitions */
78: #define TMO_OFF 0 /* timer off */
79: #define TMO_RESTART ( 90/DDN_TIMEOUT) /* restart timeout */
80: #define TMO_CALL_PENDING (180/DDN_TIMEOUT) /* call timeout */
81: #define TMO_DATA_IDLE ( 30/DDN_TIMEOUT) /* idle circuit timeout */
82: #define TMO_CLR_PENDING ( 30/DDN_TIMEOUT) /* clear timeout */
83:
84: /* Link status codes */
85: #define LINK_DOWN 0x00 /* Link layer is down */
86: #define LINK_UP 0x01 /* Link layer is up */
87:
88: /* Line control codes */
89: #define LINK_DISABLE 0x00 /* Disable link layer */
90: #define LINK_ENABLE 0x01 /* Enable link layer */
91: #define LINK_LOOPBACK 0x42 /* Link layer loopback mode */
92: #define LOOP_OFF 0x00 /* Loopback off */
93: #define LOOP_EXTERNAL 0x01 /* Loopback external */
94: #define LOOP_INTERNAL 0x03 /* Loopback internal */
95: #define PKT_SIZE 0x90 /* Packet size */
96: #define PKT_WINDOW 0x4f /* Packet window */
97:
98: /* X25 supervisor message codes */
99: #define CALL 0x00 /* outgoing call */
100: #define RING 0x01 /* incoming call */
101: #define CLEARVC 0x02 /* clear by VCN */
102: #define ANSWER 0x03 /* answer call */
103: #define CLEARLC 0x04 /* clear by LCN */
104: #define RESET 0x20 /* reset LCN */
105: #define RESET_ACK 0x21 /* reset ack */
106: #define INTERRUPT 0x22 /* X25 interrupt */
107: #define READY 0x23 /* flow control ready */
108: #define INTR_ACK 0x24 /* interrupt ack */
109: #define RESTART 0x40 /* X25 restart */
110: #define RSTRT_ACK 0x41 /* restart ack */
111: #define SYS_STATUS 0x42 /* system status msg */
112: #define LINE_CNTL 0x60 /* link control cmnd */
113: #define LINE_STATUS 0x61 /* link status resp */
114:
115: /* X25 facilities */
116: #define X25_FACIL_DDN 0x04 /* DDN mode facility */
117: #define FAC_DDNSTD 0x01 /* DDN standard mode */
118:
119: /* X25 protocols */
120: #define X25_PROTO_IP 0xcc /* X25 IP protocol type code */
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