root/include/linux/socket.h

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INCLUDED FROM


   1 #ifndef _LINUX_SOCKET_H
   2 #define _LINUX_SOCKET_H
   3 
   4 #include <linux/sockios.h>              /* the SIOCxxx I/O controls     */
   5 
   6 
   7 struct sockaddr {
   8   unsigned short        sa_family;      /* address family, AF_xxx       */
   9   char                  sa_data[14];    /* 14 bytes of protocol address */
  10 };
  11 
  12 struct linger {
  13   int                   l_onoff;        /* Linger active                */
  14   int                   l_linger;       /* How long to linger for       */
  15 };
  16 
  17 /* Socket types. */
  18 #define SOCK_STREAM     1               /* stream (connection) socket   */
  19 #define SOCK_DGRAM      2               /* datagram (conn.less) socket  */
  20 #define SOCK_RAW        3               /* raw socket                   */
  21 #define SOCK_RDM        4               /* reliably-delivered message   */
  22 #define SOCK_SEQPACKET  5               /* sequential packet socket     */
  23 #define SOCK_PACKET     10              /* linux specific way of        */
  24                                         /* getting packets at the dev   */
  25                                         /* level.  For writing rarp and */
  26                                         /* other similar things on the  */
  27                                         /* user level.                  */
  28 
  29 /* Supported address families. */
  30 #define AF_UNSPEC       0
  31 #define AF_UNIX         1
  32 #define AF_INET         2
  33 #define AF_AX25         3
  34 #define AF_IPX          4
  35 
  36 #define AF_MAX          8       /* For now.. */
  37 
  38 /* Protocol families, same as address families. */
  39 #define PF_UNSPEC       AF_UNSPEC
  40 #define PF_UNIX         AF_UNIX
  41 #define PF_INET         AF_INET
  42 #define PF_AX25         AF_AX25
  43 #define PF_IPX          AF_IPX
  44 
  45 #define PF_MAX          AF_MAX
  46 /* Flags we can use with send/ and recv. */
  47 #define MSG_OOB         1
  48 #define MSG_PEEK        2
  49 #define MSG_DONTROUTE   4
  50 
  51 /* Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx */
  52 #define SOL_SOCKET      1
  53 #define SOL_IP          0
  54 #define SOL_IPX         256
  55 #define SOL_AX25        257
  56 #define SOL_TCP         6
  57 #define SOL_UDP         17
  58 
  59 /* For setsockoptions(2) */
  60 #define SO_DEBUG        1
  61 #define SO_REUSEADDR    2
  62 #define SO_TYPE         3
  63 #define SO_ERROR        4
  64 #define SO_DONTROUTE    5
  65 #define SO_BROADCAST    6
  66 #define SO_SNDBUF       7
  67 #define SO_RCVBUF       8
  68 #define SO_KEEPALIVE    9
  69 #define SO_OOBINLINE    10
  70 #define SO_NO_CHECK     11
  71 #define SO_PRIORITY     12
  72 #define SO_LINGER       13
  73 
  74 /* IP options */
  75 #define IP_TOS          1
  76 #define IPTOS_LOWDELAY          0x10
  77 #define IPTOS_THROUGHPUT        0x08
  78 #define IPTOS_RELIABILITY       0x04
  79 #define IP_TTL          2
  80 
  81 /* IPX options */
  82 #define IPX_TYPE        1
  83 
  84 /* AX.25 options */
  85 #define AX25_WINDOW     1
  86 
  87 /* TCP options - this way around because someone left a set in the c library includes */
  88 #define TCP_NODELAY     1
  89 #define TCP_MAXSEG      2
  90 
  91 /* The various priorities. */
  92 #define SOPRI_INTERACTIVE       0
  93 #define SOPRI_NORMAL            1
  94 #define SOPRI_BACKGROUND        2
  95 
  96 #endif /* _LINUX_SOCKET_H */

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