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x25.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：2k
源码类别：

Linux/Unix编程

开发平台：

Unix_Linux

x25.h：源码内容
  1. /*
  2.  * These are the public elements of the Linux kernel X.25 implementation.
  3.  *
  4.  *  History
  5.  * mar/20/00 Daniela Squassoni Disabling/enabling of facilities 
  6.  *   negotiation.
  7.  */
  9. #ifndef X25_KERNEL_H
  10. #define X25_KERNEL_H
  12. #define SIOCX25GSUBSCRIP (SIOCPROTOPRIVATE + 0)
  13. #define SIOCX25SSUBSCRIP (SIOCPROTOPRIVATE + 1)
  14. #define SIOCX25GFACILITIES (SIOCPROTOPRIVATE + 2)
  15. #define SIOCX25SFACILITIES (SIOCPROTOPRIVATE + 3)
  16. #define SIOCX25GCALLUSERDATA (SIOCPROTOPRIVATE + 4)
  17. #define SIOCX25SCALLUSERDATA (SIOCPROTOPRIVATE + 5)
  18. #define SIOCX25GCAUSEDIAG (SIOCPROTOPRIVATE + 6)
  20. /*
  21.  * Values for {get,set}sockopt.
  22.  */
  23. #define X25_QBITINCL 1
  25. /*
  26.  * X.25 Packet Size values.
  27.  */
  28. #define X25_PS16 4
  29. #define X25_PS32 5
  30. #define X25_PS64 6
  31. #define X25_PS128 7
  32. #define X25_PS256 8
  33. #define X25_PS512 9
  34. #define X25_PS1024 10
  35. #define X25_PS2048 11
  36. #define X25_PS4096 12
  38. /*
  39.  * An X.121 address, it is held as ASCII text, null terminated, up to 15
  40.  * digits and a null terminator.
  41.  */
  42. typedef struct {
  43. char x25_addr[16];
  44. } x25_address;
  46. /*
  47.  * Linux X.25 Address structure, used for bind, and connect mostly.
  48.  */
  49. struct sockaddr_x25 {
  50. sa_family_t sx25_family; /* Must be AF_X25 */
  51. x25_address sx25_addr; /* X.121 Address */
  52. };
  54. /*
  55.  * DTE/DCE subscription options.
  56.  *
  57.  *      As this is missing lots of options, user should expect major
  58.  * changes of this structure in 2.5.x which might break compatibilty.
  59.  *      The somewhat ugly dimension 200-sizeof() is needed to maintain
  60.  * backward compatibility.
  61.  */
  62. struct x25_subscrip_struct {
  63. char device[200-sizeof(unsigned long)];
  64. unsigned long global_facil_mask; /* 0 to disable negotiation */
  65. unsigned int extended;
  66. };
  68. /* values for above global_facil_mask */
  70. #define X25_MASK_REVERSE 0x01
  71. #define X25_MASK_THROUGHPUT 0x02
  72. #define X25_MASK_PACKET_SIZE 0x04
  73. #define X25_MASK_WINDOW_SIZE 0x08
  77. /*
  78.  * Routing table control structure.
  79.  */
  80. struct x25_route_struct {
  81. x25_address address;
  82. unsigned int sigdigits;
  83. char device[200];
  84. };
  86. /*
  87.  * Facilities structure.
  88.  */
  89. struct x25_facilities {
  90. unsigned int winsize_in, winsize_out;
  91. unsigned int pacsize_in, pacsize_out;
  92. unsigned int throughput;
  93. unsigned int reverse;
  94. };
  96. /*
  97.  * Call User Data structure.
  98.  */
  99. struct x25_calluserdata {
  100. unsigned int cudlength;
  101. unsigned char cuddata[128];
  102. };
  104. /*
  105.  * Call clearing Cause and Diagnostic structure.
  106.  */
  107. struct x25_causediag {
  108. unsigned char cause;
  109. unsigned char diagnostic;
  110. };
  112. #endif