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[0];
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