include/net/mip6.h

   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