xref: /csrg-svn/sys/netiso/iso_proto.c (revision 37469)

/***********************************************************
		Copyright IBM Corporation 1987

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/*
 * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
 */
/* $Header: iso_proto.c,v 4.4 88/09/08 08:38:42 hagens Exp $
 * $Source: /usr/argo/sys/netiso/RCS/iso_proto.c,v $
 *
 * iso_proto.c : protocol switch tables in the ISO domain
 *
 * ISO protocol family includes TP, CLTP, CLNP, 8208
 * TP and CLNP are implemented here.
 */

#ifndef lint
static char *rcsid = "$Header: iso_proto.c,v 4.4 88/09/08 08:38:42 hagens Exp $";
#endif

#ifdef	ISO
#include "types.h"
#include "param.h"
#include "socket.h"
#include "protosw.h"
#include "domain.h"
#include "mbuf.h"

#include "iso.h"

int clnp_output(), clnp_init(),clnp_slowtimo(),clnp_drain();
int rclnp_input(), rclnp_output(), rclnp_ctloutput(), raw_usrreq();
int	clnp_usrreq();
int	iso_usrreq();

int	tp_ctloutput();
int	tpclnp_ctlinput();
int	tpclnp_input();
int	tp_usrreq();
int	tp_init(),tp_slowtimo(),tp_drain();

int	esis_input(), esis_ctlinput(), esis_init(), esis_usrreq();

struct protosw isosw[] = {
/*
 *  We need a datagram entry through which net mgmt programs can get
 *	to the iso_control procedure (iso ioctls). Thus, a minimal
 *	SOCK_DGRAM interface is provided here.
 *  THIS ONE MUST BE FIRST: Kludge city : socket() says if(!proto) call
 *  pffindtype, which gets the first entry that matches the type.
 *  sigh.
 */
{ SOCK_DGRAM,	&isodomain,		0,					PR_ATOMIC|PR_ADDR,
	0,			0,				0,					0,
	iso_usrreq,
	0,			0, 				0,					0
},

/*
 *	A datagram interface for clnp cannot co-exist with TP/CLNP
 *  because CLNP has no way to discriminate incoming TP packets from
 *  packets coming in for any other higher layer protocol.
 *  Old way: set it up so that pffindproto(... dgm, clnp) fails.
 *  New way: let pffindproto work (for x.25, thank you) but create
 *  	a clnp_usrreq() that returns error on PRU_ATTACH.
 */
{SOCK_DGRAM,	&isodomain,		ISOPROTO_CLNP,		0,
 clnp_usrreq,	clnp_output,	0,					0,
 0,
 clnp_init,		0,				clnp_slowtimo, 		clnp_drain,
},

/* raw clnp */
{ SOCK_RAW,		&isodomain,		ISOPROTO_RAW,		PR_ATOMIC|PR_ADDR,
  rclnp_input,	rclnp_output,	0,					rclnp_ctloutput,
  raw_usrreq,
  0,			0,				0,					0
},

/* ES-IS protocol */
{ SOCK_DGRAM,	&isodomain,		ISOPROTO_ESIS,		PR_ATOMIC|PR_ADDR,
  esis_input,	0,				esis_ctlinput,				0,
  esis_usrreq,
  esis_init,			0,				0,					0
},

/* ISOPROTO_TP */
{ SOCK_SEQPACKET,	&isodomain,	ISOPROTO_TP,	PR_CONNREQUIRED|PR_WANTRCVD,
  tpclnp_input,		0,			tpclnp_ctlinput,	tp_ctloutput,
  tp_usrreq,
  tp_init,			0,			tp_slowtimo,	tp_drain,
},

};

int	iso_init();

struct domain isodomain = {
    AF_ISO, 			/* family */
	"iso-domain", 		/* name */
	iso_init,			/* initialize routine */
	0,					/* externalize access rights */
	0,					/* dispose of internalized rights */
	isosw,				/* protosw */
	&isosw[sizeof(isosw)/sizeof(isosw[0])] /* NPROTOSW */
};
#endif	ISO