usr/src/sys/netiso/iso_pcb.h

/*-
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)iso_pcb.h   7.5 (Berkeley) %G%
 */

/***********************************************************
                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_pcb.h,v 4.3 88/06/29 15:00:01 hagens Exp $ */
/* $Source: /usr/argo/sys/netiso/RCS/iso_pcb.h,v $ */

#define MAXX25CRUDLEN   16      /* 16 bytes of call request user data */

/*
 * Common structure pcb for argo protocol implementation.
 */
struct isopcb {
        struct  isopcb                  *isop_next,*isop_prev; /* pointers to other pcb's */
        struct  isopcb                  *isop_head;     /* pointer back to chain of pcbs for
                                                                this protocol */
        struct  socket                  *isop_socket;   /* back pointer to socket */
        struct  sockaddr_iso    *isop_laddr;
        struct  sockaddr_iso    *isop_faddr;
        struct  route_iso {
                struct  rtentry         *ro_rt;
                struct  sockaddr_iso ro_dst;
        }                                               isop_route;                     /* CLNP routing entry */
        struct  mbuf                    *isop_options;          /* CLNP options */
        struct  mbuf                    *isop_optindex;         /* CLNP options index */
        struct  mbuf                    *isop_clnpcache;        /* CLNP cached hdr */
        caddr_t                                 isop_chan;              /* actually struct pklcb * */
        u_short                                 isop_refcnt;            /* mult TP4 tpcb's -> here */
        u_short                                 isop_lport;                     /* MISLEADLING work var */
        int                                             isop_x25crud_len;       /* x25 call request ud */
        char                                    isop_x25crud[MAXX25CRUDLEN];
        struct ifaddr                   *isop_ifa;              /* ESIS interface assoc w/sock */
        struct  sockaddr_iso    isop_sladdr,            /* preallocated laddr */
                                                        isop_sfaddr;            /* preallocated faddr */
};

#ifdef sotorawcb
/*
 * Common structure pcb for raw clnp protocol access.
 * Here are clnp specific extensions to the raw control block,
 * and space is allocated to the necessary sockaddrs.
 */
struct rawisopcb {
        struct  rawcb risop_rcb;                /* common control block prefix */
        int             risop_flags;                    /* flags, e.g. raw sockopts */
        struct  isopcb risop_isop;              /* space for bound addresses, routes etc.*/
};
#endif

#define sotoisopcb(so)  ((struct isopcb *)(so)->so_pcb)
#define sotorawisopcb(so)       ((struct rawisopcb *)(so)->so_pcb)

#ifdef KERNEL
struct  isopcb *iso_pcblookup();
#endif