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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (C)2003-2006 Helsinki University of Technology
4 * Copyright (C)2003-2006 USAGI/WIDE Project
5 */
6/*
7 * Authors:
8 * Noriaki TAKAMIYA @USAGI
9 * Masahide NAKAMURA @USAGI
10 * YOSHIFUJI Hideaki @USAGI
11 */
12#ifndef _NET_MIP6_H
13#define _NET_MIP6_H
14
15#include <linux/skbuff.h>
16#include <net/sock.h>
17
18/*
19 * Mobility Header
20 */
21struct ip6_mh {
22 __u8 ip6mh_proto;
23 __u8 ip6mh_hdrlen;
24 __u8 ip6mh_type;
25 __u8 ip6mh_reserved;
26 __u16 ip6mh_cksum;
27 /* Followed by type specific messages */
28 __u8 data[];
29} __packed;
30
31#define IP6_MH_TYPE_BRR 0 /* Binding Refresh Request */
32#define IP6_MH_TYPE_HOTI 1 /* HOTI Message */
33#define IP6_MH_TYPE_COTI 2 /* COTI Message */
34#define IP6_MH_TYPE_HOT 3 /* HOT Message */
35#define IP6_MH_TYPE_COT 4 /* COT Message */
36#define IP6_MH_TYPE_BU 5 /* Binding Update */
37#define IP6_MH_TYPE_BACK 6 /* Binding ACK */
38#define IP6_MH_TYPE_BERROR 7 /* Binding Error */
39#define IP6_MH_TYPE_MAX IP6_MH_TYPE_BERROR
40
41#endif