xref: /linux/include/net/mip6.h (revision f79e4d5f92a129a1159c973735007d4ddc8541f3)
1 /*
2  * Copyright (C)2003-2006 Helsinki University of Technology
3  * Copyright (C)2003-2006 USAGI/WIDE Project
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, see <http://www.gnu.org/licenses/>.
17  */
18 /*
19  * Authors:
20  *	Noriaki TAKAMIYA @USAGI
21  *	Masahide NAKAMURA @USAGI
22  *	YOSHIFUJI Hideaki @USAGI
23  */
24 #ifndef _NET_MIP6_H
25 #define _NET_MIP6_H
26 
27 #include <linux/skbuff.h>
28 #include <net/sock.h>
29 
30 /*
31  * Mobility Header
32  */
33 struct ip6_mh {
34 	__u8	ip6mh_proto;
35 	__u8	ip6mh_hdrlen;
36 	__u8	ip6mh_type;
37 	__u8	ip6mh_reserved;
38 	__u16	ip6mh_cksum;
39 	/* Followed by type specific messages */
40 	__u8	data[0];
41 } __packed;
42 
43 #define IP6_MH_TYPE_BRR		0   /* Binding Refresh Request */
44 #define IP6_MH_TYPE_HOTI	1   /* HOTI Message   */
45 #define IP6_MH_TYPE_COTI	2   /* COTI Message  */
46 #define IP6_MH_TYPE_HOT		3   /* HOT Message   */
47 #define IP6_MH_TYPE_COT		4   /* COT Message  */
48 #define IP6_MH_TYPE_BU		5   /* Binding Update */
49 #define IP6_MH_TYPE_BACK	6   /* Binding ACK */
50 #define IP6_MH_TYPE_BERROR	7   /* Binding Error */
51 #define IP6_MH_TYPE_MAX		IP6_MH_TYPE_BERROR
52 
53 #endif
54