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C/C++ Source or Header  |  2009-10-16  |  4KB  |  165 lines
  1. #ifndef _LINUX_ICMPV6_H
  2. #define _LINUX_ICMPV6_H
  3.  
  4. #include <linux/types.h>
  5. #include <asm/byteorder.h>
  6.  
  7. struct icmp6hdr {
  8.  
  9.     __u8        icmp6_type;
  10.     __u8        icmp6_code;
  11.     __sum16        icmp6_cksum;
  12.  
  13.  
  14.     union {
  15.         __be32            un_data32[1];
  16.         __be16            un_data16[2];
  17.         __u8            un_data8[4];
  18.  
  19.         struct icmpv6_echo {
  20.             __be16        identifier;
  21.             __be16        sequence;
  22.         } u_echo;
  23.  
  24.                 struct icmpv6_nd_advt {
  25. #if defined(__LITTLE_ENDIAN_BITFIELD)
  26.                         __u32        reserved:5,
  27.                                 override:1,
  28.                                 solicited:1,
  29.                                 router:1,
  30.                     reserved2:24;
  31. #elif defined(__BIG_ENDIAN_BITFIELD)
  32.                         __u32        router:1,
  33.                     solicited:1,
  34.                                 override:1,
  35.                                 reserved:29;
  36. #else
  37. #error    "Please fix <asm/byteorder.h>"
  38. #endif                        
  39.                 } u_nd_advt;
  40.  
  41.                 struct icmpv6_nd_ra {
  42.             __u8        hop_limit;
  43. #if defined(__LITTLE_ENDIAN_BITFIELD)
  44.             __u8        reserved:3,
  45.                     router_pref:2,
  46.                     home_agent:1,
  47.                     other:1,
  48.                     managed:1;
  49.  
  50. #elif defined(__BIG_ENDIAN_BITFIELD)
  51.             __u8        managed:1,
  52.                     other:1,
  53.                     home_agent:1,
  54.                     router_pref:2,
  55.                     reserved:3;
  56. #else
  57. #error    "Please fix <asm/byteorder.h>"
  58. #endif
  59.             __be16        rt_lifetime;
  60.                 } u_nd_ra;
  61.  
  62.     } icmp6_dataun;
  63.  
  64. #define icmp6_identifier    icmp6_dataun.u_echo.identifier
  65. #define icmp6_sequence        icmp6_dataun.u_echo.sequence
  66. #define icmp6_pointer        icmp6_dataun.un_data32[0]
  67. #define icmp6_mtu        icmp6_dataun.un_data32[0]
  68. #define icmp6_unused        icmp6_dataun.un_data32[0]
  69. #define icmp6_maxdelay        icmp6_dataun.un_data16[0]
  70. #define icmp6_router        icmp6_dataun.u_nd_advt.router
  71. #define icmp6_solicited        icmp6_dataun.u_nd_advt.solicited
  72. #define icmp6_override        icmp6_dataun.u_nd_advt.override
  73. #define icmp6_ndiscreserved    icmp6_dataun.u_nd_advt.reserved
  74. #define icmp6_hop_limit        icmp6_dataun.u_nd_ra.hop_limit
  75. #define icmp6_addrconf_managed    icmp6_dataun.u_nd_ra.managed
  76. #define icmp6_addrconf_other    icmp6_dataun.u_nd_ra.other
  77. #define icmp6_rt_lifetime    icmp6_dataun.u_nd_ra.rt_lifetime
  78. #define icmp6_router_pref    icmp6_dataun.u_nd_ra.router_pref
  79. };
  80.  
  81.  
  82. #define ICMPV6_ROUTER_PREF_LOW        0x3
  83. #define ICMPV6_ROUTER_PREF_MEDIUM    0x0
  84. #define ICMPV6_ROUTER_PREF_HIGH        0x1
  85. #define ICMPV6_ROUTER_PREF_INVALID    0x2
  86.  
  87. #define ICMPV6_DEST_UNREACH        1
  88. #define ICMPV6_PKT_TOOBIG        2
  89. #define ICMPV6_TIME_EXCEED        3
  90. #define ICMPV6_PARAMPROB        4
  91.  
  92. #define ICMPV6_INFOMSG_MASK        0x80
  93.  
  94. #define ICMPV6_ECHO_REQUEST        128
  95. #define ICMPV6_ECHO_REPLY        129
  96. #define ICMPV6_MGM_QUERY        130
  97. #define ICMPV6_MGM_REPORT           131
  98. #define ICMPV6_MGM_REDUCTION        132
  99.  
  100. #define ICMPV6_NI_QUERY            139
  101. #define ICMPV6_NI_REPLY            140
  102.  
  103. #define ICMPV6_MLD2_REPORT        143
  104.  
  105. #define ICMPV6_DHAAD_REQUEST        144
  106. #define ICMPV6_DHAAD_REPLY        145
  107. #define ICMPV6_MOBILE_PREFIX_SOL    146
  108. #define ICMPV6_MOBILE_PREFIX_ADV    147
  109.  
  110. /*
  111.  *    Codes for Destination Unreachable
  112.  */
  113. #define ICMPV6_NOROUTE            0
  114. #define ICMPV6_ADM_PROHIBITED        1
  115. #define ICMPV6_NOT_NEIGHBOUR        2
  116. #define ICMPV6_ADDR_UNREACH        3
  117. #define ICMPV6_PORT_UNREACH        4
  118.  
  119. /*
  120.  *    Codes for Time Exceeded
  121.  */
  122. #define ICMPV6_EXC_HOPLIMIT        0
  123. #define ICMPV6_EXC_FRAGTIME        1
  124.  
  125. /*
  126.  *    Codes for Parameter Problem
  127.  */
  128. #define ICMPV6_HDR_FIELD        0
  129. #define ICMPV6_UNK_NEXTHDR        1
  130. #define ICMPV6_UNK_OPTION        2
  131.  
  132. /*
  133.  *    constants for (set|get)sockopt
  134.  */
  135.  
  136. #define ICMPV6_FILTER            1
  137.  
  138. /*
  139.  *    ICMPV6 filter
  140.  */
  141.  
  142. #define ICMPV6_FILTER_BLOCK        1
  143. #define ICMPV6_FILTER_PASS        2
  144. #define ICMPV6_FILTER_BLOCKOTHERS    3
  145. #define ICMPV6_FILTER_PASSONLY        4
  146.  
  147. struct icmp6_filter {
  148.     __u32        data[8];
  149. };
  150.  
  151. /*
  152.  *    Definitions for MLDv2
  153.  */
  154. #define MLD2_MODE_IS_INCLUDE    1
  155. #define MLD2_MODE_IS_EXCLUDE    2
  156. #define MLD2_CHANGE_TO_INCLUDE    3
  157. #define MLD2_CHANGE_TO_EXCLUDE    4
  158. #define MLD2_ALLOW_NEW_SOURCES    5
  159. #define MLD2_BLOCK_OLD_SOURCES    6
  160.  
  161. #define MLD2_ALL_MCR_INIT { { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,0x16 } } }
  162.  
  163.  
  164. #endif
  165.