/*
 * ipv6cp.h - PPP IPV6 Control Protocol.
 *
 * Copyright (c) 1999 Tommi Komulainen.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The name(s) of the authors of this software must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission.
 *
 * 4. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by Tommi Komulainen
 *     <Tommi.Komulainen@iki.fi>".
 *
 * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS, IN NO EVENT SHALL THE AUTHORS 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.
 *
 */

/*  Original version, based on RFC2023 :

    Copyright (c) 1995, 1996, 1997 Francis.Dupont@inria.fr, INRIA Rocquencourt,
    Alain.Durand@imag.fr, IMAG,
    Jean-Luc.Richier@imag.fr, IMAG-LSR.

    Copyright (c) 1998, 1999 Francis.Dupont@inria.fr, GIE DYADE,
    Alain.Durand@imag.fr, IMAG,
    Jean-Luc.Richier@imag.fr, IMAG-LSR.

    Ce travail a été fait au sein du GIE DYADE (Groupement d'Intérêt
    Économique ayant pour membres BULL S.A. et l'INRIA).

    Ce logiciel informatique est disponible aux conditions
    usuelles dans la recherche, c'est-à-dire qu'il peut
    être utilisé, copié, modifié, distribué à l'unique
    condition que ce texte soit conservé afin que
    l'origine de ce logiciel soit reconnue.

    Le nom de l'Institut National de Recherche en Informatique
    et en Automatique (INRIA), de l'IMAG, ou d'une personne morale
    ou physique ayant participé à l'élaboration de ce logiciel ne peut
    être utilisé sans son accord préalable explicite.

    Ce logiciel est fourni tel quel sans aucune garantie,
    support ou responsabilité d'aucune sorte.
    Ce logiciel est dérivé de sources d'origine
    "University of California at Berkeley" et
    "Digital Equipment Corporation" couvertes par des copyrights.

    L'Institut d'Informatique et de Mathématiques Appliquées de Grenoble (IMAG)
    est une fédération d'unités mixtes de recherche du CNRS, de l'Institut National
    Polytechnique de Grenoble et de l'Université Joseph Fourier regroupant
    sept laboratoires dont le laboratoire Logiciels, Systèmes, Réseaux (LSR).

    This work has been done in the context of GIE DYADE (joint R & D venture
    between BULL S.A. and INRIA).

    This software is available with usual "research" terms
    with the aim of retain credits of the software. 
    Permission to use, copy, modify and distribute this software for any
    purpose and without fee is hereby granted, provided that the above
    copyright notice and this permission notice appear in all copies,
    and the name of INRIA, IMAG, or any contributor not be used in advertising
    or publicity pertaining to this material without the prior explicit
    permission. The software is provided "as is" without any
    warranties, support or liabilities of any kind.
    This software is derived from source code from
    "University of California at Berkeley" and
    "Digital Equipment Corporation" protected by copyrights.

    Grenoble's Institute of Computer Science and Applied Mathematics (IMAG)
    is a federation of seven research units funded by the CNRS, National
    Polytechnic Institute of Grenoble and University Joseph Fourier.
    The research unit in Software, Systems, Networks (LSR) is member of IMAG.
*/

/*
 * Derived from :
 *
 *
 * ipcp.h - IP Control Protocol definitions.
 *
 * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The name "Carnegie Mellon University" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For permission or any legal
 *    details, please contact
 *      Office of Technology Transfer
 *      Carnegie Mellon University
 *      5000 Forbes Avenue
 *      Pittsburgh, PA  15213-3890
 *      (412) 268-4387, fax: (412) 268-7395
 *      tech-transfer@andrew.cmu.edu
 *
 * 4. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by Computing Services
 *     at Carnegie Mellon University (http://www.cmu.edu/computing/)."
 *
 * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY 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.
 *
 * $Id: ipv6cp.h,v 1.7 2002/12/04 23:03:32 paulus Exp $
 */

#include "netif/ppp/ppp_opts.h"
#if PPP_SUPPORT && PPP_IPV6_SUPPORT  /* don't build if not configured for use in lwipopts.h */

#ifndef IPV6CP_H
#define IPV6CP_H

#include "eui64.h"

#ifdef __cplusplus
extern "C" {
#endif

/*
 * Options.
 */
#define CI_IFACEID  1   /* Interface Identifier */
#ifdef IPV6CP_COMP
#define CI_COMPRESSTYPE 2   /* Compression Type     */
#endif /* IPV6CP_COMP */

/* No compression types yet defined.
 *#define IPV6CP_COMP   0x004f
 */
typedef struct ipv6cp_options {
    unsigned int neg_ifaceid    :1;  /* Negotiate interface identifier? */
    unsigned int req_ifaceid    :1;  /* Ask peer to send interface identifier? */
    unsigned int accept_local   :1;  /* accept peer's value for iface id? */
    unsigned int opt_local      :1;  /* ourtoken set by option */
    unsigned int opt_remote     :1;  /* histoken set by option */
    unsigned int use_ip         :1;  /* use IP as interface identifier */
#if 0
    unsigned int use_persistent :1;  /* use uniquely persistent value for address */
#endif
#ifdef IPV6CP_COMP
    unsigned int neg_vj         :1;  /* Van Jacobson Compression? */
#endif /* IPV6CP_COMP */

#ifdef IPV6CP_COMP
    u_short vj_protocol;        /* protocol value to use in VJ option */
#endif /* IPV6CP_COMP */
    eui64_t ourid, hisid;       /* Interface identifiers */
} ipv6cp_options;

extern const struct protent ipv6cp_protent;

#ifdef __cplusplus
}
#endif

#endif /* IPV6CP_H */
#endif /* PPP_SUPPORT && PPP_IPV6_SUPPORT */
