include/linux/socket.h

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 1 #ifndef _LINUX_SOCKET_H
 2 #define _LINUX_SOCKET_H
 3
 4 #include <asm/socket.h>/* arch-dependent defines */
 5 #include <linux/sockios.h>/* the SIOCxxx I/O controls */
 6 #include <linux/uio.h>/* iovec support */
 7
 8 struct sockaddr {
 9 unsigned short sa_family;/* address family, AF_xxx */
 10 char sa_data[14];/* 14 bytes of protocol address */
 11 };
 12
 13 struct linger {
 14 int l_onoff;/* Linger active */
 15 int l_linger;/* How long to linger for */
 16 };
 17
 18 struct msghdr
 19 {
 20 void* msg_name;/* Socket name */
 21 int msg_namelen;/* Length of name */
 22 struct iovec * msg_iov;/* Data blocks */
 23 int msg_iovlen;/* Number of blocks */
 24 void* msg_accrights;/* Per protocol magic (eg BSD file descriptor passing) */
 25 int msg_accrightslen;/* Length of rights list */
 26 };
 27
 28 /* Socket types. */
 29 #define SOCK_STREAM 1/* stream (connection) socket */
 30 #define SOCK_DGRAM 2/* datagram (conn.less) socket */
 31 #define SOCK_RAW 3/* raw socket */
 32 #define SOCK_RDM 4/* reliably-delivered message */
 33 #define SOCK_SEQPACKET 5/* sequential packet socket */
 34 #define SOCK_PACKET 10/* linux specific way of */
 35 /* getting packets at the dev */
 36 /* level. For writing rarp and */
 37 /* other similar things on the */
 38 /* user level. */
 39
 40 /* Supported address families. */
 41 #define AF_UNSPEC 0
 42 #define AF_UNIX 1/* Unix domain sockets */
 43 #define AF_INET 2/* Internet IP Protocol */
 44 #define AF_AX25 3/* Amateur Radio AX.25 */
 45 #define AF_IPX 4/* Novell IPX */
 46 #define AF_APPLETALK 5/* Appletalk DDP */
 47 #define AF_NETROM 6/* Amateur radio NetROM */
 48 #define AF_BRIDGE 7/* Multiprotocol bridge */
 49 #define AF_AAL5 8/* Reserved for Werner's ATM */
 50 #define AF_X25 9/* Reserved for X.25 project */
 51 #define AF_MAX 12/* For now.. */
 52
 53 /* Protocol families, same as address families. */
 54 #define PF_UNSPEC AF_UNSPEC
 55 #define PF_UNIX AF_UNIX
 56 #define PF_INET AF_INET
 57 #define PF_AX25 AF_AX25
 58 #define PF_IPX AF_IPX
 59 #define PF_APPLETALK AF_APPLETALK
 60 #define PF_NETROM AF_NETROM
 61 #define PF_BRIDGE AF_BRIDGE
 62 #define PF_AAL5 AF_AAL5
 63 #define PF_X25 AF_X25
 64
 65 #define PF_MAX AF_MAX
 66
 67 /* Flags we can use with send/ and recv. */
 68 #define MSG_OOB 1
 69 #define MSG_PEEK 2
 70 #define MSG_DONTROUTE 4
 71
 72 /* Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx */
 73 #define SOL_IP 0
 74 #define SOL_IPX 256
 75 #define SOL_AX25 257
 76 #define SOL_ATALK 258
 77 #define SOL_NETROM 259
 78 #define SOL_TCP 6
 79 #define SOL_UDP 17
 80
 81 /* IP options */
 82 #define IP_TOS 1
 83 #define IPTOS_LOWDELAY 0x10
 84 #define IPTOS_THROUGHPUT 0x08
 85 #define IPTOS_RELIABILITY 0x04
 86 #define IP_TTL 2
 87 #ifdef V1_3_WILL_DO_THIS_FUNKY_STUFF
 88 #define IP_HRDINCL 3
 89 #define IP_OPTIONS 4
 90 #endif
 91
 92 #define IP_MULTICAST_IF 32
 93 #define IP_MULTICAST_TTL 33
 94 #define IP_MULTICAST_LOOP 34
 95 #define IP_ADD_MEMBERSHIP 35
 96 #define IP_DROP_MEMBERSHIP 36
 97
 98
 99 /* These need to appear somewhere around here */
 100 #define IP_DEFAULT_MULTICAST_TTL 1
 101 #define IP_DEFAULT_MULTICAST_LOOP 1
 102 #define IP_MAX_MEMBERSHIPS 20
 103
 104 /* IPX options */
 105 #define IPX_TYPE 1
 106
 107 /* TCP options - this way around because someone left a set in the c library includes */
 108 #define TCP_NODELAY 1
 109 #define TCP_MAXSEG 2
 110
 111 /* The various priorities. */
 112 #define SOPRI_INTERACTIVE 0
 113 #define SOPRI_NORMAL 1
 114 #define SOPRI_BACKGROUND 2
 115
 116 #ifdef __KERNEL__
 117 externvoidmemcpy_fromiovec(unsigned char*kdata,struct iovec *iov,int len);
 118 externintverify_iovec(struct msghdr *m,struct iovec *iov,char*address,int mode);
 119 externvoidmemcpy_toiovec(struct iovec *v,unsigned char*kdata,int len);
 120 externintmove_addr_to_user(void*kaddr,int klen,void*uaddr,int*ulen);
 121 externintmove_addr_to_kernel(void*uaddr,int ulen,void*kaddr);
 122 #endif
 123 #endif/* _LINUX_SOCKET_H */