The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/netiso/iso_pcb.h

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    1 /*      $NetBSD: iso_pcb.h,v 1.17 2007/05/02 20:40:29 dyoung Exp $      */
    2 
    3 /*-
    4  * Copyright (c) 1991, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  * 3. Neither the name of the University nor the names of its contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  *      @(#)iso_pcb.h   8.1 (Berkeley) 6/10/93
   32  */
   33 
   34 /***********************************************************
   35                 Copyright IBM Corporation 1987
   36 
   37                       All Rights Reserved
   38 
   39 Permission to use, copy, modify, and distribute this software and its
   40 documentation for any purpose and without fee is hereby granted,
   41 provided that the above copyright notice appear in all copies and that
   42 both that copyright notice and this permission notice appear in
   43 supporting documentation, and that the name of IBM not be
   44 used in advertising or publicity pertaining to distribution of the
   45 software without specific, written prior permission.
   46 
   47 IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
   48 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
   49 IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
   50 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
   51 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
   52 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
   53 SOFTWARE.
   54 
   55 ******************************************************************/
   56 
   57 /*
   58  * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
   59  */
   60 
   61 #ifndef _NETISO_ISO_PCB_H_
   62 #define _NETISO_ISO_PCB_H_
   63 
   64 #include <net/route.h>
   65 
   66 #define MAXX25CRUDLEN   16      /* 16 bytes of call request user data */
   67 
   68 /*
   69  * Common structure pcb for argo protocol implementation.
   70  */
   71 struct isopcb {
   72         struct isopcb  *isop_next, *isop_prev;  /* pointers to other pcb's */
   73         struct isopcb  *isop_head;      /* pointer back to chain of pcbs for
   74                                          * this protocol */
   75         struct socket  *isop_socket;    /* back pointer to socket */
   76         struct sockaddr_iso *isop_laddr;
   77         struct sockaddr_iso *isop_faddr;
   78         struct route   isop_route;      /* CLNP routing entry */
   79         struct mbuf    *isop_options;   /* CLNP options */
   80         struct mbuf    *isop_optindex;  /* CLNP options index */
   81         struct mbuf    *isop_clnpcache; /* CLNP cached hdr */
   82         void *        isop_chan;        /* actually struct pklcb * */
   83         u_short         isop_refcnt;    /* mult TP4 tpcb's -> here */
   84         u_short         isop_lport;     /* MISLEADLING work var */
   85         u_short         isop_tuba_cached;       /* for tuba address ref cnts */
   86         int             isop_x25crud_len;       /* x25 call request ud */
   87         char            isop_x25crud[MAXX25CRUDLEN];
   88         struct ifaddr  *isop_ifa;       /* ESIS interface assoc w/sock */
   89         struct mbuf    *isop_mladdr;    /* dynamically allocated laddr */
   90         struct mbuf    *isop_mfaddr;    /* dynamically allocated faddr */
   91         struct sockaddr_iso isop_sladdr,        /* preallocated laddr */
   92                         isop_sfaddr;    /* preallocated faddr */
   93 };
   94 
   95 #ifdef sotorawcb
   96 /*
   97  * Common structure pcb for raw clnp protocol access.
   98  * Here are clnp specific extensions to the raw control block,
   99  * and space is allocated to the necessary sockaddrs.
  100  */
  101 struct rawisopcb {
  102         struct rawcb    risop_rcb;      /* common control block prefix */
  103         int             risop_flags;    /* flags, e.g. raw sockopts */
  104         struct isopcb   risop_isop;     /* space for bound addresses, routes
  105                                          * etc. */
  106 };
  107 #endif
  108 
  109 #define sotoisopcb(so)  ((struct isopcb *)(so)->so_pcb)
  110 #define sotorawisopcb(so)       ((struct rawisopcb *)(so)->so_pcb)
  111 
  112 #ifdef _KERNEL
  113 struct socket;
  114 struct isopcb;
  115 struct inpcb;
  116 struct mbuf;
  117 struct sockaddr_iso;
  118 
  119 int iso_pcballoc (struct socket *, void *);
  120 int iso_pcbbind (void *, struct mbuf *, struct lwp *);
  121 int iso_pcbconnect (void *, struct mbuf *, struct lwp *);
  122 void iso_pcbdisconnect (void *);
  123 void iso_pcbdetach (void *);
  124 void iso_pcbnotify(struct isopcb *, const struct sockaddr_iso *, int,
  125                    void (*)(struct isopcb *));
  126 struct isopcb  *iso_pcblookup (struct isopcb *, int, void *,
  127                                    const struct sockaddr_iso *);
  128 #endif
  129 
  130 #endif /* !_NETISO_ISO_PCB_H_ */

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