2.11BSD/sys/vaxif/if_ddnvar.h
/* @(#)if_ddnvar.h 7.1 (Berkeley) 6/5/86 */
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Copyright (c) 1985 by Advanced Computer Communications
720 Santa Barbara Street, Santa Barbara, California 93101
(805) 963-9431
This software may be duplicated and used on systems
which are licensed to run U.C. Berkeley versions of
the UNIX operating system. Any duplication of any
part of this software must include a copy of ACC's
copyright notice.
File:
if_ddnvar.h
Author:
Art Berggreen
Project:
4.2 DDN X.25 network driver
Function:
This file contains definitions used to control and
track the status of the ACP625 (IF-11/X25).
Components:
Revision History:
16-May-1985: V1.0 - First release.
Art Berggreen.
\************************************************************************/
/* if_ddnvar.h V1.0 5/16/85 */
/* program parameters */
#define DDNMTU 1006 /* maximum IP msg length */
#define DDN_OQMAX 8 /* max IP msgs on LCN output q */
#define NDDNCH 32 /* number of X.25 channels */
#define DELAY_CNT 50000
#define DDN_TIMEOUT 10
#define DC_OBUSY 0x01
typedef unsigned char byte;
typedef int boolean;
/* X25 LCN state definitions */
#define LC_DOWN 0 /* X25 circuit down */
#define LC_RESTART 1 /* X25 circuit restarting */
#define LC_IDLE 2 /* X25 circuit not in use */
#define LC_CALL_PENDING 3 /* X25 circuit call pending */
#define LC_DATA_IDLE 4 /* X25 circuit open */
#define LC_CLR_PENDING 5 /* X25 circuit clear pending */
/* Timeout definitions */
#define TMO_OFF 0 /* timer off */
#define TMO_RESTART ( 90/DDN_TIMEOUT) /* restart timeout */
#define TMO_CALL_PENDING (180/DDN_TIMEOUT) /* call timeout */
#define TMO_DATA_IDLE ( 30/DDN_TIMEOUT) /* idle circuit timeout */
#define TMO_CLR_PENDING ( 30/DDN_TIMEOUT) /* clear timeout */
/* Link status codes */
#define LINK_DOWN 0x00 /* Link layer is down */
#define LINK_UP 0x01 /* Link layer is up */
/* Line control codes */
#define LINK_DISABLE 0x00 /* Disable link layer */
#define LINK_ENABLE 0x01 /* Enable link layer */
#define LINK_LOOPBACK 0x42 /* Link layer loopback mode */
#define LOOP_OFF 0x00 /* Loopback off */
#define LOOP_EXTERNAL 0x01 /* Loopback external */
#define LOOP_INTERNAL 0x03 /* Loopback internal */
#define PKT_SIZE 0x90 /* Packet size */
#define PKT_WINDOW 0x4f /* Packet window */
/* X25 supervisor message codes */
#define CALL 0x00 /* outgoing call */
#define RING 0x01 /* incoming call */
#define CLEARVC 0x02 /* clear by VCN */
#define ANSWER 0x03 /* answer call */
#define CLEARLC 0x04 /* clear by LCN */
#define RESET 0x20 /* reset LCN */
#define RESET_ACK 0x21 /* reset ack */
#define INTERRUPT 0x22 /* X25 interrupt */
#define READY 0x23 /* flow control ready */
#define INTR_ACK 0x24 /* interrupt ack */
#define RESTART 0x40 /* X25 restart */
#define RSTRT_ACK 0x41 /* restart ack */
#define SYS_STATUS 0x42 /* system status msg */
#define LINE_CNTL 0x60 /* link control cmnd */
#define LINE_STATUS 0x61 /* link status resp */
/* X25 facilities */
#define X25_FACIL_DDN 0x04 /* DDN mode facility */
#define FAC_DDNSTD 0x01 /* DDN standard mode */
/* X25 protocols */
#define X25_PROTO_IP 0xcc /* X25 IP protocol type code */