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/*
* Copyright (C)2003-2006 Helsinki University of Technology
* Copyright (C)2003-2006 USAGI/WIDE Project
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* 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>
#define MIP6_OPT_PAD_1 0
#define MIP6_OPT_PAD_N 1
/*
* 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[0];
} __attribute__ ((__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
extern int mip6_init(void);
extern void mip6_fini(void);
extern int mip6_mh_filter(struct sock *sk, struct sk_buff *skb);
#endif
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