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  */
21 struct 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
42