usr/src/sys/netiso/iso.h

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

                      All Rights Reserved

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of IBM not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.

IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.

******************************************************************/

/*
 * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
 */
/* $Header: iso.h,v 4.9 88/09/11 18:06:38 hagens Exp $ */
/* $Source: /usr/argo/sys/netiso/RCS/iso.h,v $ */
/*      @(#)iso.h       7.4 (Berkeley) 6/22/90 */

#ifndef __ISO__
#define __ISO__

/*
 *      Return true if this is a multicast address
 *      This assumes that the bit transmission is lsb first. This
 *      assumption is valid for 802.3 but not 802.5. There is a
 *      kludge to get around this for 802.5 -- see if_lan.c
 *      where subnetwork header is setup.
 */
#define IS_MULTICAST(snpa)\
        ((snpa)[0] & 0x01)

/*
 * Protocols
 */
#define ISOPROTO_TP0    25              /* connection oriented transport protocol */
#define ISOPROTO_TP1    26              /* not implemented */
#define ISOPROTO_TP2    27              /* not implemented */
#define ISOPROTO_TP3    28              /* not implemented */
#define ISOPROTO_TP4    29              /* connection oriented transport protocol */
#define ISOPROTO_TP             ISOPROTO_TP4     /* tp-4 with negotiation */
#define ISOPROTO_CLTP   30              /* connectionless transport (not yet impl.) */
#define ISOPROTO_CLNP   31              /* connectionless internetworking protocol */
#define ISOPROTO_X25    32              /* cons */
#define ISOPROTO_INACT_NL       33      /* inactive network layer! */
#define ISOPROTO_ESIS   34              /* ES-IS protocol */
#define ISOPROTO_INTRAISIS      35              /* IS-IS protocol */

#define ISOPROTO_RAW    255             /* raw clnp */
#define ISOPROTO_MAX    256

#define ISO_PORT_RESERVED               1024
#define ISO_PORT_USERRESERVED   5000
/*
 * Port/socket numbers: standard network functions
 * NOT PRESENTLY USED
 */
#define ISO_PORT_MAINT          501
#define ISO_PORT_ECHO           507
#define ISO_PORT_DISCARD        509
#define ISO_PORT_SYSTAT         511
#define ISO_PORT_NETSTAT        515
/*
 * Port/socket numbers: non-standard application functions
 */
#define ISO_PORT_LOGIN          513
/*
 * Port/socket numbers: public use
 */
#define ISO_PORT_PUBLIC         1024            /* high bit set --> public */

/*
 *      Network layer protocol identifiers
 */
#define ISO8473_CLNP    0x81
#define ISO9542_ESIS    0x82
#define ISO9542X25_ESIS 0x8a
#define ISO10589_ISIS           0x83


#ifndef IN_CLASSA_NET
#include "../netinet/in.h"
#endif IN_CLASSA_NET


/* The following looks like a sockaddr
 * to facilitate using tree lookup routines */
struct iso_addr {
        u_char  isoa_len;                                               /* length (in bytes) */
        char    isoa_genaddr[20];                               /* general opaque address */
};

struct sockaddr_iso {
        u_char                          siso_len;                       /* length */
        u_char                          siso_family;            /* family */
        u_char                          siso_plen;                      /* presentation selector length */
        u_char                          siso_slen;                      /* session selector length */
        u_char                          siso_tlen;                      /* transport selector length */
        struct  iso_addr        siso_addr;                      /* network address */
        u_char                          siso_pad[6];            /* space for gosip v2 sels */
                                                                                        /* makes struct 32 bytes long */
};
#define siso_nlen siso_addr.isoa_len
#define siso_data siso_addr.isoa_genaddr

#define TSEL(s) ((caddr_t)((s)->siso_data + (s)->siso_nlen))

#define SAME_ISOADDR(a, b) \
        (bcmp((a)->siso_data, (b)->siso_data, (unsigned)(a)->siso_nlen)==0)
/*
 * The following are specific values for siso->siso_data[0],
 * otherwise known as the AFI:
 */
#define AFI_37          0x37    /* bcd of "37" */
#define AFI_OSINET      0x47    /* bcd of "47" */
#define AFI_RFC986      0x47    /* bcd of "47" */
#define AFI_SNA         0x00    /* SubNetwork Address; invalid really...*/

#ifdef KERNEL

extern int iso_netmatch();
extern int iso_hash();
extern int iso_addrmatch();
extern struct iso_ifaddr *iso_iaonnetof();
extern  struct domain isodomain;
extern  struct protosw isosw[];

#else
/* user utilities definitions from the iso library */

char *iso_ntoa();
struct hostent *iso_gethostbyname(), *iso_gethostbyaddr();

#endif KERNEL

#define _offsetof(t, m) ((int)((caddr_t)&((t *)0)->m))
#endif __ISO__