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Diffstat (limited to 'inet/netinet/in.h')
| -rw-r--r-- | inet/netinet/in.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/inet/netinet/in.h b/inet/netinet/in.h new file mode 100644 index 0000000000..e8bc3b075e --- /dev/null +++ b/inet/netinet/in.h @@ -0,0 +1,198 @@ +/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with the GNU C Library; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#ifndef _NETINET_IN_H + +#define _NETINET_IN_H 1 +#include <features.h> + +#include <sys/socket.h> + + +/* Standard well-defined IP protocols. */ +enum + { + IPPROTO_IP = 0, /* Dummy protocol for TCP. */ + IPPROTO_ICMP = 1, /* Internet Control Message Protocol. */ + IPPROTO_GGP = 2, /* Gateway Protocol (deprecated). */ + IPPROTO_TCP = 6, /* Transmission Control Protocol. */ + IPPROTO_EGP = 8, /* Exterior Gateway Protocol. */ + IPPROTO_PUP = 12, /* PUP protocol. */ + IPPROTO_UDP = 17, /* User Datagram Protocol. */ + IPPROTO_IDP = 22, /* XNS IDP protocol. */ + + IPPROTO_RAW = 255, /* Raw IP packets. */ + IPPROTO_MAX, + }; + +/* Standard well-known ports. */ +enum + { + IPPORT_ECHO = 7, /* Echo service. */ + IPPORT_DISCARD = 9, /* Discard transmissions service. */ + IPPORT_SYSTAT = 11, /* System status service. */ + IPPORT_DAYTIME = 13, /* Time of day service. */ + IPPORT_NETSTAT = 15, /* Network status service. */ + IPPORT_FTP = 21, /* File Transfer Protocol. */ + IPPORT_TELNET = 23, /* Telnet protocol. */ + IPPORT_SMTP = 25, /* Simple Mail Transfer Protocol. */ + IPPORT_TIMESERVER = 37, /* Timeserver service. */ + IPPORT_NAMESERVER = 42, /* Domain Name Service. */ + IPPROT_WHOIS = 43, /* Internet Whois service. */ + IPPORT_MTP = 57, + + IPPORT_TFTP = 69, /* Trivial File Transfer Protocol. */ + IPPORT_RJE = 77, + IPPORT_FINGER = 79, /* Finger service. */ + IPPORT_TTYLINK = 87, + IPPORT_SUPDUP = 95, /* SUPDUP protocol. */ + + + IPPORT_EXECSERVER = 512, /* execd service. */ + IPPORT_LOGINSERVER = 513, /* rlogind service. */ + IPPORT_CMDSERVER = 514, + IPPORT_EFSSERVER = 520, + + /* UDP ports. */ + IPPORT_BIFFUDP = 512, + IPPORT_WHOSERVER = 513, + IPPORT_ROUTESERVER = 520, + + /* Ports less than this value are reserved for privileged processes. */ + IPPORT_RESERVED = 1024, + + /* Ports greater this value are reserved for (non-privileged) servers. */ + IPPORT_USERRESERVED = 5000, + }; + + +/* Link numbers. */ +#define IMPLINK_IP 155 +#define IMPLINK_LOWEXPER 156 +#define IMPLINK_HIGHEXPER 158 + + +/* Internet address. */ +struct in_addr + { + unsigned long int s_addr; + }; + + +/* Definitions of the bits in an Internet address integer. + + On subnets, host and network parts are found according to + the subnet mask, not these masks. */ + +#define IN_CLASSA(a) ((((long int) (a)) & 0x80000000) == 0) +#define IN_CLASSA_NET 0xff000000 +#define IN_CLASSA_NSHIFT 24 +#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) +#define IN_CLASSA_MAX 128 + +#define IN_CLASSB(a) ((((long int) (a)) & 0xc0000000) == 0x80000000) +#define IN_CLASSB_NET 0xffff0000 +#define IN_CLASSB_NSHIFT 16 +#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) +#define IN_CLASSB_MAX 65536 + +#define IN_CLASSC(a) ((((long int) (a)) & 0xc0000000) == 0xc0000000) +#define IN_CLASSC_NET 0xffffff00 +#define IN_CLASSC_NSHIFT 8 +#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) + +#define IN_CLASSD(a) ((((long int) (a)) & 0xf0000000) = 0xe0000000) +#define IN_MULTICAST(a) IN_CLASSD(a) + +#define IN_EXPERIMENTAL(a) ((((long int) (a)) & 0xe0000000) = 0xe0000000) +#define IN_BADCLASS(a) ((((long int) (a)) & 0xf0000000) = 0xf0000000) + +/* Address to accept any incoming messages. */ +#define INADDR_ANY ((unsigned long int) 0x00000000) +/* Address to send to all hosts. */ +#define INADDR_BROADCAST ((unsigned long int) 0xffffffff) +/* Address indicating an error return. */ +#define INADDR_NONE 0xffffffff + +/* Network number for local host loopback. */ +#define IN_LOOPBACKNET 127 +/* Address to loopback in software to local host. */ +#ifndef INADDR_LOOPBACK +#define INADDR_LOOPBACK 0x7f000001 /* Internet address 127.0.0.1. */ +#endif + + +/* Get the definition of the macro to define the common sockaddr members. */ +#include <sockaddrcom.h> + + +/* Structure describing an Internet socket address. */ +struct sockaddr_in + { + __SOCKADDR_COMMON (sin_); + unsigned short int sin_port; /* Port number. */ + struct in_addr sin_addr; /* Internet address. */ + + /* Pad to size of `struct sockaddr'. */ + unsigned char sin_zero[sizeof(struct sockaddr) - + __SOCKADDR_COMMON_SIZE - + sizeof(unsigned short int) - + sizeof(struct in_addr)]; + }; + + +/* Options for use with `getsockopt' and `setsockopt' at the IP level. + The first word in the comment at the right is the data type used; + "bool" means a boolean value stored in an `int'. */ +#define IP_OPTIONS 1 /* ip_opts; IP per-packet options. */ +#define IP_HDRINCL 2 /* int; Header is included with data. */ +#define IP_TOS 3 /* int; IP type of service and precedence. */ +#define IP_TTL 4 /* int; IP time to live. */ +#define IP_RECVOPTS 5 /* bool; Receive all IP options w/datagram. */ +#define IP_RECVRETOPTS 6 /* bool; Receive IP options for response. */ +#define IP_RECVDSTADDR 7 /* bool; Receive IP dst addr w/datagram. */ +#define IP_RETOPTS 8 /* ip_opts; Set/get IP per-packet options. */ + +/* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS. + The `ip_dst' field is used for the first-hop gateway when using a + source route (this gets put into the header proper). */ +struct ip_opts + { + struct in_addr ip_dst; /* First hop; zero without source route. */ + char ip_opts[40]; /* Actually variable in size. */ + }; + + +/* Functions to convert between host and network byte order. */ + +extern unsigned long int ntohl __P ((unsigned long int)); +extern unsigned short int ntohs __P ((unsigned short int)); +extern unsigned long int htonl __P ((unsigned long int)); +extern unsigned short int htons __P ((unsigned short int)); + +#include <endian.h> + +#if __BYTE_ORDER == __BIG_ENDIAN +/* The host byte order is the same as network byte order, + so these functions are all just identity. */ +#define ntohl(x) (x) +#define ntohs(x) (x) +#define htonl(x) (x) +#define htons(x) (x) +#endif + +#endif /* netinet/in.h */ |