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icmpv6.h
资源名称：linux-2.4.20.tar.gz　[点击查看]
上传用户：jlfgdled
上传日期：2013-04-10
资源大小：33168k
文件大小：3k
源码类别：

Linux/Unix编程

开发平台：

Unix_Linux

icmpv6.h：源码内容
  1. #ifndef _LINUX_ICMPV6_H
  2. #define _LINUX_ICMPV6_H
  4. #include <asm/byteorder.h>
  6. struct icmp6hdr {
  8. __u8 icmp6_type;
  9. __u8 icmp6_code;
  10. __u16 icmp6_cksum;
  13. union {
  14. __u32 un_data32[1];
  15. __u16 un_data16[2];
  16. __u8 un_data8[4];
  18. struct icmpv6_echo {
  19. __u16 identifier;
  20. __u16 sequence;
  21. } u_echo;
  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;
  40.                 struct icmpv6_nd_ra {
  41. __u8 hop_limit;
  42. #if defined(__LITTLE_ENDIAN_BITFIELD)
  43. __u8 reserved:6,
  44. other:1,
  45. managed:1;
  47. #elif defined(__BIG_ENDIAN_BITFIELD)
  48. __u8 managed:1,
  49. other:1,
  50. reserved:6;
  51. #else
  52. #error "Please fix <asm/byteorder.h>"
  53. #endif
  54. __u16 rt_lifetime;
  55.                 } u_nd_ra;
  57. } icmp6_dataun;
  59. #define icmp6_identifier icmp6_dataun.u_echo.identifier
  60. #define icmp6_sequence icmp6_dataun.u_echo.sequence
  61. #define icmp6_pointer icmp6_dataun.un_data32[0]
  62. #define icmp6_mtu icmp6_dataun.un_data32[0]
  63. #define icmp6_unused icmp6_dataun.un_data32[0]
  64. #define icmp6_maxdelay icmp6_dataun.un_data16[0]
  65. #define icmp6_router icmp6_dataun.u_nd_advt.router
  66. #define icmp6_solicited icmp6_dataun.u_nd_advt.solicited
  67. #define icmp6_override icmp6_dataun.u_nd_advt.override
  68. #define icmp6_ndiscreserved icmp6_dataun.u_nd_advt.reserved
  69. #define icmp6_hop_limit icmp6_dataun.u_nd_ra.hop_limit
  70. #define icmp6_addrconf_managed icmp6_dataun.u_nd_ra.managed
  71. #define icmp6_addrconf_other icmp6_dataun.u_nd_ra.other
  72. #define icmp6_rt_lifetime icmp6_dataun.u_nd_ra.rt_lifetime
  73. };
  76. #define ICMPV6_DEST_UNREACH 1
  77. #define ICMPV6_PKT_TOOBIG 2
  78. #define ICMPV6_TIME_EXCEED 3
  79. #define ICMPV6_PARAMPROB 4
  81. #define ICMPV6_INFOMSG_MASK 0x80
  83. #define ICMPV6_ECHO_REQUEST 128
  84. #define ICMPV6_ECHO_REPLY 129
  85. #define ICMPV6_MGM_QUERY 130
  86. #define ICMPV6_MGM_REPORT        131
  87. #define ICMPV6_MGM_REDUCTION     132
  89. /*
  90.  * Codes for Destination Unreachable
  91.  */
  92. #define ICMPV6_NOROUTE 0
  93. #define ICMPV6_ADM_PROHIBITED 1
  94. #define ICMPV6_NOT_NEIGHBOUR 2
  95. #define ICMPV6_ADDR_UNREACH 3
  96. #define ICMPV6_PORT_UNREACH 4
  98. /*
  99.  * Codes for Time Exceeded
  100.  */
  101. #define ICMPV6_EXC_HOPLIMIT 0
  102. #define ICMPV6_EXC_FRAGTIME 1
  104. /*
  105.  * Codes for Parameter Problem
  106.  */
  107. #define ICMPV6_HDR_FIELD 0
  108. #define ICMPV6_UNK_NEXTHDR 1
  109. #define ICMPV6_UNK_OPTION 2
  111. /*
  112.  * constants for (set|get)sockopt
  113.  */
  115. #define ICMPV6_FILTER 1
  117. /*
  118.  * ICMPV6 filter
  119.  */
  121. #define ICMPV6_FILTER_BLOCK 1
  122. #define ICMPV6_FILTER_PASS 2
  123. #define ICMPV6_FILTER_BLOCKOTHERS 3
  124. #define ICMPV6_FILTER_PASSONLY 4
  126. struct icmp6_filter {
  127. __u32 data[8];
  128. };
  130. #ifdef __KERNEL__
  132. #include <linux/netdevice.h>
  133. #include <linux/skbuff.h>
  136. extern void icmpv6_send(struct sk_buff *skb,
  137.     int type, int code,
  138.     __u32 info, 
  139.     struct net_device *dev);
  141. extern int icmpv6_init(struct net_proto_family *ops);
  142. extern int icmpv6_err_convert(int type, int code,
  143.    int *err);
  144. extern void icmpv6_cleanup(void);
  145. extern void icmpv6_param_prob(struct sk_buff *skb,
  146.   int code, int pos);
  147. #endif
  149. #endif