mip6.h 1.8 KB

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  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, write to the Free Software
  17. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  18. */
  19. /*
  20. * Authors:
  21. * Noriaki TAKAMIYA @USAGI
  22. * Masahide NAKAMURA @USAGI
  23. * YOSHIFUJI Hideaki @USAGI
  24. */
  25. #ifndef _NET_MIP6_H
  26. #define _NET_MIP6_H
  27. #include <linux/skbuff.h>
  28. #include <net/sock.h>
  29. #define MIP6_OPT_PAD_1 0
  30. #define MIP6_OPT_PAD_N 1
  31. /*
  32. * Mobility Header
  33. */
  34. struct ip6_mh {
  35. __u8 ip6mh_proto;
  36. __u8 ip6mh_hdrlen;
  37. __u8 ip6mh_type;
  38. __u8 ip6mh_reserved;
  39. __u16 ip6mh_cksum;
  40. /* Followed by type specific messages */
  41. __u8 data[0];
  42. } __attribute__ ((__packed__));
  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. extern int mip6_init(void);
  53. extern void mip6_fini(void);
  54. extern int mip6_mh_filter(struct sock *sk, struct sk_buff *skb);
  55. #endif