include/netinet/in.h

   1 /*
   2 netinet/in.h
   3 */
   4
   5 #ifndef _NETINET__IN_H
   6 #define _NETINET__IN_H
   7
   8 /* Can we include <stdint.h> here or do we need an additional header that is
   9  * safe to include?
  10  */
  11 #include <stdint.h>
  12
  13 /* Open Group Base Specifications Issue 6 (not complete) */
  14 #define    INADDR_ANY              (uint32_t)0x00000000
  15 #define    INADDR_BROADCAST        (uint32_t)0xFFFFFFFF
  16
  17 #define    IN_LOOPBACKNET          127
  18
  19 #define       IPPORT_RESERVED         1024
  20
  21 typedef uint16_t        in_port_t;
  22
  23 #ifndef _IN_ADDR_T
  24 #define _IN_ADDR_T
  25 typedef uint32_t        in_addr_t;
  26 #endif /* _IN_ADDR_T */
  27
  28 #ifndef _SA_FAMILY_T
  29 #define _SA_FAMILY_T
  30 /* Should match corresponding typedef in <sys/socket.h> */
  31 typedef uint8_t         sa_family_t;
  32 #endif /* _SA_FAMILY_T */
  33
  34 /* Protocols */
  35 #define IPPROTO_IP      0       /* Dummy protocol */
  36 #define IPPROTO_ICMP    1       /* ICMP */
  37 #define IPPROTO_TCP     6       /* TCP */
  38 #define IPPROTO_EGP     8       /* exterior gateway protocol */
  39 #define IPPROTO_UDP     17      /* UDP */
  40
  41 /* setsockopt options at IP level */
  42 #define IP_ADD_MEMBERSHIP       12
  43 #define IP_DROP_MEMBERSHIP      13
  44
  45 #ifndef _STRUCT_IN_ADDR
  46 #define _STRUCT_IN_ADDR
  47 struct in_addr
  48 {
  49         in_addr_t       s_addr;
  50 };
  51 #endif
  52
  53 struct sockaddr_in
  54 {
  55         sa_family_t     sin_family;
  56         in_port_t       sin_port;
  57         struct in_addr  sin_addr;
  58 };
  59
  60 struct ip_mreq
  61 {
  62         struct  in_addr imr_multiaddr;
  63         struct  in_addr imr_interface;
  64 };
  65
  66 /* Definitions that are not part of the Open Group Base Specifications */
  67 #define IN_CLASSA(i)    (((uint32_t)(i) & 0x80000000) == 0)
  68 #define IN_CLASSA_NET   0xff000000
  69 #define IN_CLASSA_NSHIFT 24
  70
  71 #define IN_CLASSB(i)    (((uint32_t)(i) & 0xc0000000) == 0x80000000)
  72 #define IN_CLASSB_NET   0xffff0000
  73 #define IN_CLASSB_NSHIFT 16
  74
  75 #define IN_CLASSC(i)    (((uint32_t)(i) & 0xe0000000) == 0xc0000000)
  76 #define IN_CLASSC_NET   0xffffff00
  77 #define IN_CLASSC_NSHIFT 8
  78
  79 #define IN_CLASSD(i)    (((uint32_t)(i) & 0xf0000000) == 0xe0000000)
  80 #define IN_CLASSD_NET   0xf0000000
  81 #define IN_CLASSD_NSHIFT 28
  82
  83 #endif /* _NETINET__IN_H */