/* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * Definitions of the Internet Protocol. * * Version: @(#)in.h 1.0.1 04/21/93 * * Authors: Original taken from the GNU Project file. * Fred N. van Kempen, * * This program 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 of the License, or (at your option) any later version. */ #ifndef _CYGWIN_IN_H #define _CYGWIN_IN_H #include /* Standard well-defined IP protocols. If you ever add one here, don't forget to define it below. */ enum { IPPROTO_IP = 0, /* Dummy protocol for TCP */ IPPROTO_ICMP = 1, /* Internet Control Message Protocol */ IPPROTO_IGMP = 2, /* Internet Gateway Management Protocol */ IPPROTO_IPIP = 4, /* IPIP tunnels (older KA9Q tunnels use 94) */ 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 }; /* Define IPPROTO_xxx values to accomodate SUSv3 */ #define IPPROTO_IP IPPROTO_IP #define IPPROTO_ICMP IPPROTO_ICMP #define IPPROTO_IGMP IPPROTO_IGMP #define IPPROTO_IPIP IPPROTO_IPIP #define IPPROTO_TCP IPPROTO_TCP #define IPPROTO_EGP IPPROTO_EGP #define IPPROTO_PUP IPPROTO_PUP #define IPPROTO_UDP IPPROTO_UDP #define IPPROTO_IDP IPPROTO_IDP #define IPPROTO_RAW IPPROTO_RAW typedef uint16_t in_port_t; /* Standard well-known ports. *//* from winsup/include/netinet/in.h */ 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. */ IPPORT_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 }; typedef uint32_t in_addr_t; /* Internet address. */ struct in_addr { unsigned int s_addr; }; /* Request struct for multicast socket ops */ struct ip_mreq { struct in_addr imr_multiaddr; /* IP multicast address of group */ struct in_addr imr_interface; /* local IP address of interface */ }; /* Structure describing an Internet (IP) socket address. */ #define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */ struct sockaddr_in { short int sin_family; /* Address family */ unsigned short int sin_port; /* Port number */ struct in_addr sin_addr; /* Internet address */ /* Pad to size of `struct sockaddr'. */ unsigned char __pad[__SOCK_SIZE__ - sizeof(short int) - sizeof(unsigned short int) - sizeof(struct in_addr)]; }; #define sin_zero __pad /* for BSD UNIX comp. -FvK */ /* * 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)) & 0xe0000000) == 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_MULTICAST_NET 0xF0000000 #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. */ #define INADDR_LOOPBACK 0x7f000001 /* 127.0.0.1 */ #define IN_LOOPBACK(a) ((((long int) (a)) & 0xff000000) == 0x7f000000) /* Defines for Multicast INADDR */ #define INADDR_UNSPEC_GROUP 0xe0000000 /* 224.0.0.0 */ #define INADDR_ALLHOSTS_GROUP 0xe0000001 /* 224.0.0.1 */ #define INADDR_MAX_LOCAL_GROUP 0xe00000ff /* 224.0.0.255 */ /* contains the htonl type stuff.. */ #include /* Some random defines to make it easier in the kernel.. */ #ifdef __KERNEL__ #define LOOPBACK(x) (((x) & htonl(0xff000000)) == htonl(0x7f000000)) #define MULTICAST(x) (((x) & htonl(0xf0000000)) == htonl(0xe0000000)) #endif #ifdef USE_IPV6 /* IPv6 definitions as we start to include them. This is just a beginning dont get excited 8) */ struct in6_addr { unsigned char s6_addr[16]; }; struct sockaddr_in6 { unsigned short sin6_family; unsigned short sin6_port; unsigned long sin6_flowinfo; struct in6_addr sin6_addr; }; #endif #endif /* _CYGWIN_IN_H */