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└─⟦0f0f313e4⟧ Bits:30004764 SW95709I.2F TCP/IP Update 1
└─⟦0f0f313e4⟧ UNIX Filesystem
    └─⟦a844f3e00⟧ »SSU.4a/new/usr/include/sys/sohdr.h.Z« 
        └─⟦this⟧ 

TextFile

/*
 * Definitions for the Socket interface protocol.
 *
 *	Copyrighted as an unpublished work.
 *	(c) Copyright 1988 INTERACTIVE Systems Corporation
 *	All rights reserved.
 *
 *	RESTRICTED RIGHTS:
 *
 *	These programs are supplied under a license.  They may be used,
 *	disclosed, and/or copied only as permitted under such license
 *	agreement.  Any copy must contain the above copyright notice and
 *	this restricted rights notice.  Use, copying, and/or disclosure
 *	of the programs is strictly prohibited unless otherwise provided
 *	in the license agreement.
 */
#ident "@(#)sohdr.h	1.3 - 90/08/28"

/*
 * The following are the definitions of the Socket-TLI Interface
 * primitives.
 */

/*
 * Primitives that are initiated by the socket library.
 */

#define SO_SOCKET	0	/* socket request */
#define SO_BIND		1	/* bind request */
#define SO_CONNECT	2	/* connect request */
#define SO_LISTEN	3	/* listen request */
#define SO_ACCEPT	4	/* accept request */
#define SO_FDINSERT	5	/* fdinsert request */
#define SO_SEND		6	/* send request */
#define SO_SETOPT	7	/* setopt request */
#define SO_GETOPT	8	/* getopt request */
#define SO_GETNAME	9	/* getname request */
#define SO_GETPEER	10	/* getpeer request */
#define SO_SHUTDOWN	11	/* shutdown request */
#define SO_DISC_REQ	19	/* disconnect request */

/*
 * Primitives that are initiated by the socket module.
 */

#define SO_ACCEPT_ACK	12	/* accept acknowledgement */
#define SO_UNITDATA_IND	13	/* unitdata indication */
#define SO_GETOPT_ACK	14	/* getopt acknowledgement */
#define SO_GETNAME_ACK	15	/* getname acknowledgement */
#define SO_GETPEER_ACK	16	/* getpeer acknowledgement */
#define SO_ERROR_ACK	17	/* error acknowledgement */
#define SO_OK_ACK	18	/* ok acknowledgement */


/*
 * Primitive non-fatal error return codes
 */
#define SO_OUTSTATE	1
#define SO_SYSERR	2


/*
 * The following are the events that drive the state machine.
 *
 * Initialization events */
#define SE_SOCKET_REQ	0	/* socket request */
#define SE_BIND_REQ	1	/* bind request */
#define SE_LISTEN_REQ	2	/* listen request */
#define SE_SETOPT_REQ	3	/* setopt request */
#define SE_GETOPT_REQ	4	/* getopt request */
#define SE_GETNAME_REQ	5	/* getname request */
#define SE_BIND_ACK	6	/* bind ack */
#define SE_GETOPT_ACK	7	/* getopt ack */
#define SE_GETNAME_ACK	8	/* getname ack */
#define SE_ERROR_ACK	9	/* error acknowledgement */
#define SE_OK_ACK	10	/* ok acknowledgement */

/* Connection oriented events */
#define SE_ACCEPT_REQ	11	/* accept request */
#define SE_ACCEPT_ACK	12	/* accept ack */
#define SE_CONN_REQ	13	/* connect request */
#define SE_GETPEER_REQ	14	/* getpeer request */
#define SE_GETPEER_ACK	15	/* getpeer ack */
#define SE_DATA_REQ	16	/* write request */
#define SE_DATA_IND	17	/* data indication */
#define SE_SHUTDOWN_REQ	18	/* shutdown request */

/* Unit data events */
#define SE_SEND_REQ	19	/* send request */
#define SE_UNITDATA_IND	20	/* unitdata indication */
#define SE_UDERROR_IND	21	/* unitdata error indication */

#define SE_NOEVENTS	22


/*
 * The following are the possible states of the Socket Interface.
 */

#define SS_OPENED	0	/* just opened; no info */
#define SS_UNBND	1	/* unbound */
#define SS_WACK_BREQ	2	/* waiting ack of T_BIND_REQ */
#define SS_BOUND	3	/* bound */
#define SS_PASSIVE	4	/* listening but not accepting */
#define SS_ACCEPTING	5	/* accepting */
#define SS_WAIT_FD	6	/* waiting for stream pointer */
#define SS_WACK_CREQ	7	/* waiting ack of T_CONN_REQ */
#define SS_WCON_CREQ	8	/* waiting confirmation of T_CONN_REQ */
#define SS_WACK_CRES	9	/* waiting ack of T_CONN_RES */
#define SS_CONNECTED	10	/* connected */
#define SS_CONN_RONLY	11	/* connected with write shutdown */
#define SS_CONN_WONLY	12	/* connected with read shutdown */
#define SS_SHUTDOWN	13	/* connected but shutdown */
#define SS_LINGER	14	/* closing with outstanding data */

#define SS_NOSTATES	15


/* 
 * The following structure definitions define the format of the
 * stream message block of the above primitives.
 * (everything is declared long to ensure proper alignment
 *  across different machines)
 */

/* socket request */

struct SO_socket {
	long	PRIM_type;	/* always SO_SOCKET */
	long	SOCK_domain;	/* socket domain */
	long	SOCK_type;	/* socket type */
	long	SOCK_prot;	/* socket protocol */
};
#define SO_SOCKET_SIZE	sizeof (struct SO_socket)

/* bind request */

struct SO_bind {
	long	PRIM_type;	/* always SO_BIND */
	long	ADDR_length;	/* addr length */
	long	ADDR_offset;	/* addr offset */
	long	CONN_queue;	/* connect indications requested */
};
#define SO_BIND_SIZE	sizeof (struct SO_bind)

/* listen request */

struct SO_listen {
	long	PRIM_type;	/* always SO_LISTEN */
	long	CONN_queue;	/* connect indications requested */
};
#define SO_LISTEN_SIZE	sizeof (struct SO_listen)

/* accept request */

struct SO_accept {
	long	PRIM_type;	/* always SO_ACCEPT */
};
#define SO_ACCEPT_SIZE	sizeof (struct SO_accept)

/* fdinsert request */

struct SO_fdinsert {
	long	PRIM_type;	/* always SO_FDINSERT */
	long	SEQ_number;	/* sequence number from T_conn_ind */
	struct queue *STR_ptr;	/* pointer to read queue of driver */
};
#define SO_FDINSERT_SIZE	sizeof (struct SO_fdinsert)

/* connection request */

struct SO_connect {
	long	PRIM_type;	/* always SO_CONNECT */
	long	DEST_length;	/* dest addr length */
	long	DEST_offset;	/* dest addr offset */
};
#define SO_CONNECT_SIZE	sizeof (struct SO_connect)

/* send request */

struct SO_send {
	long	PRIM_type;	/* always SO_SEND */
	long	DEST_length;	/* dest addr length */
	long	DEST_offset;	/* dest addr offset */
	long	DATA_flags;	/* data flags */
};
#define SO_SEND_SIZE	sizeof (struct SO_send)

/* setopt request */

struct SO_setopt {
	long	PRIM_type;	/* always SO_SETOPT */
	long	PROT_level;	/* protocol level */
	long	OPT_name;	/* option name */
	long	OPT_length;	/* options length */
	long	OPT_offset;	/* options offset */
};
#define SO_SETOPT_SIZE	sizeof (struct SO_setopt)

/* getopt request */

struct SO_getopt {
	long	PRIM_type;	/* always SO_GETOPT */
	long	PROT_level;	/* protocol level */
	long	OPT_name;	/* option name */
};
#define SO_GETOPT_SIZE	sizeof (struct SO_getopt)

/* getname request */

struct SO_getname {
	long	PRIM_type;	/* always SO_GETNAME */
};
#define SO_GETNAME_SIZE	sizeof (struct SO_getname)

/* getpeer request */

struct SO_getpeer {
	long	PRIM_type;	/* always SO_GETPEER */
};
#define SO_GETPEER_SIZE	sizeof (struct SO_getpeer)

/* shutdown request */

struct SO_shutdown {
	long	PRIM_type;	/* always SO_SHUTDOWN */
	long    SHUT_down;	/* shutdown flags */
};
#define SO_SHUTDOWN_SIZE	sizeof (struct SO_shutdown)

/* accept acknowledgment */

struct SO_accept_ack {
	long	PRIM_type;	/* always SO_ACCEPT_ACK */
	long	ADDR_length;	/* addr length */
	long	ADDR_offset;	/* addr offset */
	long	SOCK_domain;	/* socket domain */
	long	SOCK_type;	/* socket type */
	long	SOCK_prot;	/* socket protocol */
	long	SEQ_number;	/* sequence number from T_conn_ind */
};
#define SO_ACCEPT_ACK_SIZE	sizeof (struct SO_accept_ack)

/* unitdata indication */

struct SO_unitdata_ind {
	long 	PRIM_type;	/* always SO_UNITDATA_IND */
	long	SRC_length;	/* source addr length */
	long	SRC_offset;	/* source addr offset */
	long	DATA_flags;	/* data flags */
};
#define SO_UNITDATA_IND_SIZE	sizeof (struct SO_unitdata_ind)

/* getopt acknowledgment */

struct SO_getopt_ack {
	long	PRIM_type;	/* always SO_GETOPT_ACK */
	long	PROT_level;	/* protocol level */
	long    OPT_name;	/* options name */
	long	OPT_length;	/* options length */
	long	OPT_offset;	/* options offset */
};
#define SO_GETOPT_ACK_SIZE	sizeof (struct SO_getopt_ack)

/* getname acknowledgment */

struct SO_getname_ack {
	long	PRIM_type;	/* always SO_GETNAME_ACK */
	long	NAME_length;	/* name length */
	long	NAME_offset;	/* name offset */
};
#define SO_GETNAME_ACK_SIZE	sizeof (struct SO_getname_ack)

/* getpeer acknowledgment */

struct SO_getpeer_ack {
	long	PRIM_type;	/* always SO_GETPEER_ACK */
	long	PEER_length;	/* peer name length */
	long	PEER_offset;	/* peer name offset */
};
#define SO_GETPEER_ACK_SIZE	sizeof (struct SO_getpeer_ack)

/* error acknowledgment */

struct SO_error_ack { 
	long 	PRIM_type;	/* always SO_ERROR_ACK */
	long	ERROR_prim;	/* primitive in error */
	long	SOCK_error;	/* SOCKET error code */
	long	UNIX_error;	/* UNIX error code */
};
#define SO_ERROR_ACK_SIZE	sizeof (struct SO_error_ack)

/* ok acknowledgment */

struct SO_ok_ack {
	long 	PRIM_type;	/* always SO_OK_ACK */
	long	CORRECT_prim;	/* correct primitive */
};
#define SO_OK_ACK_SIZE	sizeof (struct SO_ok_ack)

struct SO_disc_req {
	long	PRIM_type;	/* always SO_FDINSERT */
	long	SEQ_number;	/* sequence number from T_conn_ind */
};
#define SO_DISC_REQ_SIZE	sizeof (struct SO_disc_req)

/*
 * The following is a union of the primitives
 */
union SO_primitives {
	long			SP_type;	/* primitive type */
	struct SO_socket	SP_socket;	/* socket request */
	struct SO_bind		SP_bind;	/* bind request */
	struct SO_listen	SP_listen;	/* listen request */
	struct SO_accept	SP_accept;	/* accept response */
	struct SO_fdinsert	SP_fdinsert;	/* fdinsert request */
	struct SO_connect	SP_connect;	/* connect request */
	struct SO_send		SP_send;	/* send data request */
	struct SO_setopt	SP_setopt;	/* setopt request */
	struct SO_getopt	SP_getopt;	/* getopt request */
	struct SO_getname	SP_getname;	/* getname request */
	struct SO_getpeer	SP_getpeer;	/* getpeer request */
	struct SO_shutdown	SP_shutdown;	/* shutdown request */
	struct SO_accept_ack	SP_accept_ack;	/* accept ack */
	struct SO_unitdata_ind	SP_unitdata_ind;/* unitdata ind */
	struct SO_getopt_ack	SP_getopt_ack;	/* getopt ack */
	struct SO_getname_ack	SP_getname_ack;	/* getname ack */
	struct SO_getpeer_ack	SP_getpeer_ack;	/* getpeer ack */
	struct SO_error_ack	SP_error_ack;	/* error ack */
	struct SO_ok_ack	SP_ok_ack;	/* ok ack */
	struct SO_disc_req	SP_disc_req;	/* disconnect request */
};
#define SO_PRIMITIVES_SIZE	sizeof (union SO_primitives)