/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C)2003-2006 Helsinki University of Technology
 * Copyright (C)2003-2006 USAGI/WIDE Project
 */
/*
 * Authors:
 *    Noriaki TAKAMIYA @USAGI
 *    Masahide NAKAMURA @USAGI
 *    YOSHIFUJI Hideaki @USAGI
 */
#ifndef _NET_MIP6_H
#define _NET_MIP6_H

#include <linux/skbuff.h>
#include <net/sock.h>

/*
 * Mobility Header
 */
struct ip6_mh {
    __u8    ip6mh_proto;
    __u8    ip6mh_hdrlen;
    __u8    ip6mh_type;
    __u8    ip6mh_reserved;
    __u16    ip6mh_cksum;
    /* Followed by type specific messages */
    __u8    data[];
} __packed;

#define IP6_MH_TYPE_BRR        0   /* Binding Refresh Request */
#define IP6_MH_TYPE_HOTI    1   /* HOTI Message   */
#define IP6_MH_TYPE_COTI    2   /* COTI Message  */
#define IP6_MH_TYPE_HOT        3   /* HOT Message   */
#define IP6_MH_TYPE_COT        4   /* COT Message  */
#define IP6_MH_TYPE_BU        5   /* Binding Update */
#define IP6_MH_TYPE_BACK    6   /* Binding ACK */
#define IP6_MH_TYPE_BERROR    7   /* Binding Error */
#define IP6_MH_TYPE_MAX        IP6_MH_TYPE_BERROR

#endif