fix header files

[unix-history] / usr / src / sys / deprecated / netdecnet / nsp.h

/*      nsp.h   1.3     82/10/09        */

/*
* DECnet Network Services Protocol definitions,
* per Network Services Protocol Functional Specification,
* Version 3.2.0, October 1980.
*/

/*
* NSP message types
*/
#define NSP_DATA        0x00            /* data segment message */
#define NSP_LS          0x10            /* link service message */
#define NSP_INTR        0x30            /* interrupt message */
#define NSP_DATACK      0x04            /* data segment ack */
#define NSP_OTHACK      0x14            /* other data ack */
#define NSP_CONACK      0x24            /* connect ack */
#define NSP_NOP         0x08            /* no op */
#define NSP_CI          0x18            /* connect initiate */
#define NSP_CC          0x28            /* connect confirm */
#define NSP_DI          0x38            /* disconnect initiate */
#define NSP_DC          0x48            /* disconnect confirm */

/* flags for data segment messages */
#define NSP_BOM         0x20            /* beginning-of-message segment */
#define NSP_EOM         0x40            /* end-of-message segment */

/*
* Data segment message
*/
struct nspd {
       char    nsp_msgflg;             /* message type and flags */
       d_short nsp_dstaddr;            /* destination address *
       d_short nsp_srcaddr;            /* source address */
       d_short nsp_acknum;             /* number of ack'ed message */
       d_short nsp_segnum;             /* this message's segment number */
};

/*
* Interrupt message
*/
struct nspi {
       char    nsp_msgflg;             /* message type and flags */
       d_short nsp_dstaddr;            /* destination address *
       d_short nsp_srcaddr;            /* source address */
       d_short nsp_acknum;             /* number of ack'ed message */
       d_short nsp_segnum;             /* this message's segment number */
/* optional data follows */
};

/*
* Link Service message
*/
struct nspls {
       char    nsp_msgflg;             /* message type and flags */
       d_short nsp_dstaddr;            /* destination address *
       d_short nsp_srcaddr;            /* source address */
       d_short nsp_acknum;             /* number of ack'ed message */
       d_short nsp_segnum;             /* this message's segment number */
       char    nsp_lsflags;            /* link service flags */
       char    nsp_fcval;              /* flow control change value */
};

#define NSPLS_FCVALINT  0x0c            /* fcval field interpretation: */
#define NSPLS_DATREQ    0x00            /*   data segment request */
#define NSPLS_INTREQ    0x04            /*   interrupt request */
#define NSPLS_FCMOD     0x03            /* flow control modification: */
#define NSPLS_NOCHANGE  0x00            /*   no change */
#define NSPLS_OFF       0x01            /*   do not send data */
#define NSPLS_ON        0x02            /*   send data */

/*
* Data or Other Data Ack
*/
struct nspack {
       char    nsp_msgflg;             /* message type and flags */
       d_short nsp_dstaddr;            /* destination address *
       d_short nsp_srcaddr;            /* source address */
       d_short nsp_acknum;             /* number of ack'ed message */
};

#define NSPA_ACK        0x8000          /* ack flag for acknum */
#define NSPA_NAK        0x9000          /* nak flag for acknum */
#define NSPA_QUAL       0xf000          /* qual field for acknum */
#define NSPA_NUM        0x0fff          /* num field for acknum */

/*
* Connect Ack
*/
struct nspcack {
       char    nsp_msgflg;             /* message type and flags */
       d_short nsp_dstaddr;            /* destination address *
};

/*
* No Op message
*/
struct nspnop {
       char    nsp_msgflg;             /* message type and flags */
/* tstdata follows */
};

/*
* Connect Initiate message
*/
struct nspci {
       char    nsp_msgflg;             /* message type and flags */
       d_short nsp_dstaddr;            /* destination address *
       d_short nsp_srcaddr;            /* source address */
       char    nsp_services;           /* flow control options */
       char    nsp_info;               /* NSP version info */
       d_short nsp_segsize;            /* requested segment size */
/* connect data follows */
};

/*
* Connect Confirm message
*/
struct nspcc {
       char    nsp_msgflg;             /* message type and flags */
       d_short nsp_dstaddr;            /* destination address *
       d_short nsp_srcaddr;            /* source address */
       char    nsp_services;           /* flow control options */
       char    nsp_info;               /* NSP version info */
       d_short nsp_segsize;            /* requested segment size */
       char    nsp_cnt;                /* size of optional data field */
/* optional connect data follows */
};

/*
* Disconnect Initiate message
*/
struct nspdi {
       char    nsp_msgflg;             /* message type and flags */
       d_short nsp_dstaddr;            /* destination address *
       d_short nsp_srcaddr;            /* source address */
       d_short nsp_reason;             /* reason for disconnect */
       char    nsp_dcnt;               /* size of optional data field */
/* optional disconnect data follows */
};

/*
* Disconnect Confirm message
*/
struct nspdc {
       char    nsp_msgflg;             /* message type and flags */
       d_short nsp_dstaddr;            /* destination address *
       d_short nsp_srcaddr;            /* source address */
       d_short nsp_reason;             /* disconnect reason */
};