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C/C++ Source or Header  |  2006-08-11  |  4.1 KB  |  179 lines
  1. #ifndef _LINUX_ICMPV6_H
  2. #define _LINUX_ICMPV6_H
  3.  
  4. #include <asm/byteorder.h>
  5.  
  6. struct icmp6hdr {
  7.  
  8.     __u8        icmp6_type;
  9.     __u8        icmp6_code;
  10.     __u16        icmp6_cksum;
  11.  
  12.  
  13.     union {
  14.         __u32            un_data32[1];
  15.         __u16            un_data16[2];
  16.         __u8            un_data8[4];
  17.  
  18.         struct icmpv6_echo {
  19.             __u16        identifier;
  20.             __u16        sequence;
  21.         } u_echo;
  22.  
  23.                 struct icmpv6_nd_advt {
  24. #if defined(__LITTLE_ENDIAN_BITFIELD)
  25.                         __u32        reserved:5,
  26.                                 override:1,
  27.                                 solicited:1,
  28.                                 router:1,
  29.                     reserved2:24;
  30. #elif defined(__BIG_ENDIAN_BITFIELD)
  31.                         __u32        router:1,
  32.                     solicited:1,
  33.                                 override:1,
  34.                                 reserved:29;
  35. #else
  36. #error    "Please fix <asm/byteorder.h>"
  37. #endif                        
  38.                 } u_nd_advt;
  39.  
  40.                 struct icmpv6_nd_ra {
  41.             __u8        hop_limit;
  42. #if defined(__LITTLE_ENDIAN_BITFIELD)
  43.             __u8        reserved:4,
  44.                     router_pref:2,
  45.                     other:1,
  46.                     managed:1;
  47.  
  48. #elif defined(__BIG_ENDIAN_BITFIELD)
  49.             __u8        managed:1,
  50.                     other:1,
  51.                     router_pref:2,
  52.                     reserved:4;
  53. #else
  54. #error    "Please fix <asm/byteorder.h>"
  55. #endif
  56.             __u16        rt_lifetime;
  57.                 } u_nd_ra;
  58.  
  59.     } icmp6_dataun;
  60.  
  61. #define icmp6_identifier    icmp6_dataun.u_echo.identifier
  62. #define icmp6_sequence        icmp6_dataun.u_echo.sequence
  63. #define icmp6_pointer        icmp6_dataun.un_data32[0]
  64. #define icmp6_mtu        icmp6_dataun.un_data32[0]
  65. #define icmp6_unused        icmp6_dataun.un_data32[0]
  66. #define icmp6_maxdelay        icmp6_dataun.un_data16[0]
  67. #define icmp6_router        icmp6_dataun.u_nd_advt.router
  68. #define icmp6_solicited        icmp6_dataun.u_nd_advt.solicited
  69. #define icmp6_override        icmp6_dataun.u_nd_advt.override
  70. #define icmp6_ndiscreserved    icmp6_dataun.u_nd_advt.reserved
  71. #define icmp6_hop_limit        icmp6_dataun.u_nd_ra.hop_limit
  72. #define icmp6_addrconf_managed    icmp6_dataun.u_nd_ra.managed
  73. #define icmp6_addrconf_other    icmp6_dataun.u_nd_ra.other
  74. #define icmp6_rt_lifetime    icmp6_dataun.u_nd_ra.rt_lifetime
  75. #define icmp6_router_pref    icmp6_dataun.u_nd_ra.router_pref
  76. };
  77.  
  78. #define ICMPV6_ROUTER_PREF_LOW        0x3
  79. #define ICMPV6_ROUTER_PREF_MEDIUM    0x0
  80. #define ICMPV6_ROUTER_PREF_HIGH        0x1
  81. #define ICMPV6_ROUTER_PREF_INVALID    0x2
  82.  
  83. #define ICMPV6_DEST_UNREACH        1
  84. #define ICMPV6_PKT_TOOBIG        2
  85. #define ICMPV6_TIME_EXCEED        3
  86. #define ICMPV6_PARAMPROB        4
  87.  
  88. #define ICMPV6_INFOMSG_MASK        0x80
  89.  
  90. #define ICMPV6_ECHO_REQUEST        128
  91. #define ICMPV6_ECHO_REPLY        129
  92. #define ICMPV6_MGM_QUERY        130
  93. #define ICMPV6_MGM_REPORT           131
  94. #define ICMPV6_MGM_REDUCTION        132
  95.  
  96. #define ICMPV6_NI_QUERY            139
  97. #define ICMPV6_NI_REPLY            140
  98.  
  99. #define ICMPV6_MLD2_REPORT        143
  100.  
  101. #define ICMPV6_DHAAD_REQUEST        144
  102. #define ICMPV6_DHAAD_REPLY        145
  103. #define ICMPV6_MOBILE_PREFIX_SOL    146
  104. #define ICMPV6_MOBILE_PREFIX_ADV    147
  105.  
  106. /*
  107.  *    Codes for Destination Unreachable
  108.  */
  109. #define ICMPV6_NOROUTE            0
  110. #define ICMPV6_ADM_PROHIBITED        1
  111. #define ICMPV6_NOT_NEIGHBOUR        2
  112. #define ICMPV6_ADDR_UNREACH        3
  113. #define ICMPV6_PORT_UNREACH        4
  114.  
  115. /*
  116.  *    Codes for Time Exceeded
  117.  */
  118. #define ICMPV6_EXC_HOPLIMIT        0
  119. #define ICMPV6_EXC_FRAGTIME        1
  120.  
  121. /*
  122.  *    Codes for Parameter Problem
  123.  */
  124. #define ICMPV6_HDR_FIELD        0
  125. #define ICMPV6_UNK_NEXTHDR        1
  126. #define ICMPV6_UNK_OPTION        2
  127.  
  128. /*
  129.  *    constants for (set|get)sockopt
  130.  */
  131.  
  132. #define ICMPV6_FILTER            1
  133.  
  134. /*
  135.  *    ICMPV6 filter
  136.  */
  137.  
  138. #define ICMPV6_FILTER_BLOCK        1
  139. #define ICMPV6_FILTER_PASS        2
  140. #define ICMPV6_FILTER_BLOCKOTHERS    3
  141. #define ICMPV6_FILTER_PASSONLY        4
  142.  
  143. struct icmp6_filter {
  144.     __u32        data[8];
  145. };
  146.  
  147. /*
  148.  *    Definitions for MLDv2
  149.  */
  150. #define MLD2_MODE_IS_INCLUDE    1
  151. #define MLD2_MODE_IS_EXCLUDE    2
  152. #define MLD2_CHANGE_TO_INCLUDE    3
  153. #define MLD2_CHANGE_TO_EXCLUDE    4
  154. #define MLD2_ALLOW_NEW_SOURCES    5
  155. #define MLD2_BLOCK_OLD_SOURCES    6
  156.  
  157. #define MLD2_ALL_MCR_INIT { { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,0x16 } } }
  158.  
  159. #ifdef __KERNEL__
  160.  
  161. #include <linux/netdevice.h>
  162. #include <linux/skbuff.h>
  163.  
  164.  
  165. extern void                icmpv6_send(struct sk_buff *skb,
  166.                             int type, int code,
  167.                             __u32 info, 
  168.                             struct net_device *dev);
  169.  
  170. extern int                icmpv6_init(struct net_proto_family *ops);
  171. extern int                icmpv6_err_convert(int type, int code,
  172.                                int *err);
  173. extern void                icmpv6_cleanup(void);
  174. extern void                icmpv6_param_prob(struct sk_buff *skb,
  175.                               int code, int pos);
  176. #endif
  177.  
  178. #endif
  179.