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/src/sdk/include/netinet/in.h

https://gitlab.com/thomasphillips3/How-to-Make-a-Computer-Operating-System
C Header | 102 lines | 88 code | 12 blank | 2 comment | 0 complexity | a22b1d1fa81f64b24e3644566c0899d6 MD5 | raw file
    

  1. 

  2. 

  3. #ifndef _NETINET_IN_H_
    4. 

  4. #define _NETINET_IN_H_
    5. 

  5. 

  6. #include <sys/types.h>
    7. 

  7. #include <sys/socket.h>
    8. 

  8. 

  9. #define ntohs(n) \
    10. 

  10.     ((((uint16_t)(n) & 0xFF) << 8) | ((uint16_t)(n) >> 8))
    11. 

  11. #define ntohl(n) \
    12. 

  12.     (((uint32_t)(n) << 24) | (((uint32_t)(n) & 0xFF00) << 8) | (((uint32_t)(n) & 0x00FF0000) >> 8) | ((uint32_t)(n) >> 24))
    13. 

  13. 

  14. #define htons ntohs
    15. 

  15. #define htonl ntohl
    16. 

  16. 

  17. /* Standard well-defined IP protocols. */
    18. 

  18. 

  19. enum {
    20. 

  20.     IPPROTO_IP = 0,        /* Dummy protocol for TCP.  */
    21. 

  21. #define IPPROTO_IP              IPPROTO_IP
    22. 

  22.     IPPROTO_HOPOPTS = 0,   /* IPv6 Hop-by-Hop options.  */
    23. 

  23. #define IPPROTO_HOPOPTS         IPPROTO_HOPOPTS
    24. 

  24.     IPPROTO_ICMP = 1,      /* Internet Control Message Protocol.  */
    25. 

  25. #define IPPROTO_ICMP            IPPROTO_ICMP
    26. 

  26.     IPPROTO_IGMP = 2,      /* Internet Group Management Protocol. */
    27. 

  27. #define IPPROTO_IGMP            IPPROTO_IGMP
    28. 

  28.     IPPROTO_IPIP = 4,      /* IPIP tunnels (older KA9Q tunnels use 94).  */
    29. 

  29. #define IPPROTO_IPIP            IPPROTO_IPIP
    30. 

  30.     IPPROTO_TCP = 6,       /* Transmission Control Protocol.  */
    31. 

  31. #define IPPROTO_TCP             IPPROTO_TCP
    32. 

  32.     IPPROTO_EGP = 8,       /* Exterior Gateway Protocol.  */
    33. 

  33. #define IPPROTO_EGP             IPPROTO_EGP
    34. 

  34.     IPPROTO_PUP = 12,      /* PUP protocol.  */
    35. 

  35. #define IPPROTO_PUP             IPPROTO_PUP
    36. 

  36.     IPPROTO_UDP = 17,      /* User Datagram Protocol.  */
    37. 

  37. #define IPPROTO_UDP             IPPROTO_UDP
    38. 

  38.     IPPROTO_IDP = 22,      /* XNS IDP protocol.  */
    39. 

  39. #define IPPROTO_IDP             IPPROTO_IDP
    40. 

  40.     IPPROTO_TP = 29,       /* SO Transport Protocol Class 4.  */
    41. 

  41. #define IPPROTO_TP              IPPROTO_TP
    42. 

  42.     IPPROTO_DCCP = 33,     /* Datagram Congestion Control Protocol.  */
    43. 

  43. #define IPPROTO_DCCP            IPPROTO_DCCP
    44. 

  44.     IPPROTO_IPV6 = 41,     /* IPv6 header.  */
    45. 

  45. #define IPPROTO_IPV6            IPPROTO_IPV6
    46. 

  46.     IPPROTO_ROUTING = 43,  /* IPv6 routing header.  */
    47. 

  47. #define IPPROTO_ROUTING         IPPROTO_ROUTING
    48. 

  48.     IPPROTO_FRAGMENT = 44, /* IPv6 fragmentation header.  */
    49. 

  49. #define IPPROTO_FRAGMENT        IPPROTO_FRAGMENT
    50. 

  50.     IPPROTO_RSVP = 46,     /* Reservation Protocol.  */
    51. 

  51. #define IPPROTO_RSVP            IPPROTO_RSVP
    52. 

  52.     IPPROTO_GRE = 47,      /* General Routing Encapsulation.  */
    53. 

  53. #define IPPROTO_GRE             IPPROTO_GRE
    54. 

  54.     IPPROTO_ESP = 50,      /* encapsulating security payload.  */
    55. 

  55. #define IPPROTO_ESP             IPPROTO_ESP
    56. 

  56.     IPPROTO_AH = 51,       /* authentication header.  */
    57. 

  57. #define IPPROTO_AH              IPPROTO_AH
    58. 

  58.     IPPROTO_ICMPV6 = 58,   /* ICMPv6.  */
    59. 

  59. #define IPPROTO_ICMPV6          IPPROTO_ICMPV6
    60. 

  60.     IPPROTO_NONE = 59,     /* IPv6 no next header.  */
    61. 

  61. #define IPPROTO_NONE            IPPROTO_NONE
    62. 

  62.     IPPROTO_DSTOPTS = 60,  /* IPv6 destination options.  */
    63. 

  63. #define IPPROTO_DSTOPTS         IPPROTO_DSTOPTS
    64. 

  64.     IPPROTO_MTP = 92,      /* Multicast Transport Protocol.  */
    65. 

  65. #define IPPROTO_MTP             IPPROTO_MTP
    66. 

  66.     IPPROTO_ENCAP = 98,    /* Encapsulation Header.  */
    67. 

  67. #define IPPROTO_ENCAP           IPPROTO_ENCAP
    68. 

  68.     IPPROTO_PIM = 103,     /* Protocol Independent Multicast.  */
    69. 

  69. #define IPPROTO_PIM             IPPROTO_PIM
    70. 

  70.     IPPROTO_COMP = 108,    /* Compression Header Protocol.  */
    71. 

  71. #define IPPROTO_COMP            IPPROTO_COMP
    72. 

  72.     IPPROTO_SCTP = 132,    /* Stream Control Transmission Protocol.  */
    73. 

  73. #define IPPROTO_SCTP            IPPROTO_SCTP
    74. 

  74.     IPPROTO_UDPLITE = 136, /* UDP-Lite protocol.  */
    75. 

  75. #define IPPROTO_UDPLITE         IPPROTO_UDPLITE
    76. 

  76.     IPPROTO_RAW = 255,     /* Raw IP packets.  */
    77. 

  77. #define IPPROTO_RAW             IPPROTO_RAW
    78. 

  78.     IPPROTO_MAX
    79. 

  79. };
    80. 

  80. 

  81. typedef uint16_t in_port_t;
    82. 

  82. typedef uint32_t in_addr_t;
    83. 

  83. 

  84. struct in_addr {
    85. 

  85.     in_addr_t s_addr;
    86. 

  86. };
    87. 

  87. 

  88. struct sockaddr_in {
    89. 

  89.     sa_family_t sin_family;
    90. 

  90.     in_port_t sin_port;      /* Port number.  */
    91. 

  91.     struct in_addr sin_addr; /* Internet address.  */
    92. 

  92. 

  93.     /* Pad to size of `struct sockaddr'. */
    94. 

  94.     unsigned char sin_zero[
    95. 

  95.         sizeof( struct sockaddr ) -
    96. 

  96.         sizeof( sa_family_t ) -
    97. 

  97.         sizeof( in_port_t ) -
    98. 

  98.         sizeof( struct in_addr )
    99. 

  99.     ];
    100. 

  100. };
    101. 

  101. 

  102. #endif /* _NETINET_IN_H_ */
    103. 

  103.