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/epan/ipv6-utils.h

https://github.com/labx-technologies-llc/wireshark
C Header | 54 lines | 15 code | 6 blank | 33 comment | 7 complexity | 6ae7199fe9624c04c92f68829cd2a54a MD5 | raw file
Possible License(s): GPL-2.0, BSD-3-Clause 
    

  1. /* ipv6-utils.h
    2. 

  2.  * Definitions for IPv6 packet disassembly
    3. 

  3.  *
    4. 

  4.  * $Id$
    5. 

  5.  *
    6. 

  6.  * Wireshark - Network traffic analyzer
    7. 

  7.  * By Gerald Combs <gerald@wireshark.org>
    8. 

  8.  *
    9. 

  9.  * Copyright 1998 Gerald Combs
    10. 

  10.  *
    11. 

  11.  * MobileIPv6 support added by Tomislav Borosa <tomislav.borosa@siemens.hr>
    12. 

  12.  *
    13. 

  13.  * This program is free software; you can redistribute it and/or
    14. 

  14.  * modify it under the terms of the GNU General Public License
    15. 

  15.  * as published by the Free Software Foundation; either version 2
    16. 

  16.  * of the License, or (at your option) any later version.
    17. 

  17.  *
    18. 

  18.  * This program is distributed in the hope that it will be useful,
    19. 

  19.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    20. 

  20.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    21. 

  21.  * GNU General Public License for more details.
    22. 

  22.  *
    23. 

  23.  * You should have received a copy of the GNU General Public License
    24. 

  24.  * along with this program; if not, write to the Free Software
    25. 

  25.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
    26. 

  26.  */
    27. 

  27. 

  28. #ifndef __IPV6_UTILS_H__
    29. 

  29. #define __IPV6_UTILS_H__
    30. 

  30. 

  31. struct e_in6_addr {
    32. 

  32. 	guint8   bytes[16];		/**< 128 bit IP6 address */
    33. 

  33. };
    34. 

  34. 

  35. typedef struct {
    36. 

  36. 	struct e_in6_addr addr;
    37. 

  37. 	guint32 prefix;
    38. 

  38. } ipv6_addr;
    39. 

  39. 

  40. /**
    41. 

  41.  * Unicast Scope
    42. 

  42.  * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373).
    43. 

  43.  */
    44. 

  44. #define E_IN6_IS_ADDR_LINKLOCAL(a)	\
    45. 

  45. 	(((a)->bytes[0] == 0xfe) && (((a)->bytes[1] & 0xc0) == 0x80))
    46. 

  46. #define E_IN6_IS_ADDR_SITELOCAL(a)	\
    47. 

  47. 	(((a)->bytes[0] == 0xfe) && (((a)->bytes[1] & 0xc0) == 0xc0))
    48. 

  48. 

  49. /**
    50. 

  50.  * Multicast
    51. 

  51.  */
    52. 

  52. #define E_IN6_IS_ADDR_MULTICAST(a)	((a)->bytes[0] == 0xff)
    53. 

  53. 

  54. #endif /* __IPV6_UTILS_H__ */
    55. 

  55.