libc/winsup/cygwin/include/cygwin/in.h

279 lines
8.3 KiB
C

/*
* 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 <netinet/in.h> file.
* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
*
* 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 <sys/socket.h>
#ifndef _IN_ADDR_T_DECLARED
typedef __uint32_t in_addr_t;
#define _IN_ADDR_T_DECLARED
#endif
#ifndef _IN_PORT_T_DECLARED
typedef __uint16_t in_port_t;
#define _IN_PORT_T_DECLARED
#endif
#ifndef __INSIDE_CYGWIN_NET__
/* 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_HOPOPTS = 0, /* IPv6 Hop-by-Hop options */
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_IPV6 = 41, /* IPv6 header */
IPPROTO_ROUTING = 43, /* IPv6 Routing header */
IPPROTO_FRAGMENT = 44, /* IPv6 fragmentation header */
IPPROTO_ESP = 50, /* encapsulating security payload */
IPPROTO_AH = 51, /* authentication header */
IPPROTO_ICMPV6 = 58, /* ICMPv6 */
IPPROTO_NONE = 59, /* IPv6 no next header */
IPPROTO_DSTOPTS = 60, /* IPv6 Destination options */
IPPROTO_RAW = 255, /* Raw IP packets */
IPPROTO_MAX
};
/* Define IPPROTO_xxx values to accomodate SUSv3 */
#define IPPROTO_IP IPPROTO_IP
#define IPPROTO_HOPOPTS IPPROTO_HOPOPTS
#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
#define IPPROTO_IPV6 IPPROTO_IPV6
#define IPPROTO_ROUTING IPPROTO_ROUTING
#define IPPROTO_FRAGMENT IPPROTO_FRAGMENT
#define IPPROTO_ESP IPPROTO_ESP
#define IPPROTO_AH IPPROTO_AH
#define IPPROTO_ICMPV6 IPPROTO_ICMPV6
#define IPPROTO_NONE IPPROTO_NONE
#define IPPROTO_DSTOPTS IPPROTO_DSTOPTS
/* 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
};
/* Avoid collision with Mingw64 headers. */
#ifndef s_addr
/* Internet address. */
struct in_addr
{
in_addr_t s_addr;
};
#define s_addr s_addr
#endif
/* Request struct for IPv4 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 */
};
struct ip_mreq_source
{
struct in_addr imr_multiaddr;
struct in_addr imr_sourceaddr;
struct in_addr imr_interface;
};
struct ip_msfilter
{
struct in_addr imsf_multiaddr;
struct in_addr imsf_interface;
uint32_t imsf_fmode;
uint32_t imsf_numsrc;
struct in_addr imsf_slist[1];
};
#define IP_MSFILTER_SIZE(numsrc) (sizeof (struct ip_msfilter) \
- sizeof (struct in_addr) \
+ (numsrc) * sizeof (struct in_addr))
struct in_pktinfo
{
struct in_addr ipi_addr;
uint32_t ipi_ifindex;
};
/* Request struct for IP agnostic multicast socket ops */
struct group_req
{
uint32_t gr_interface;
struct sockaddr_storage gr_group;
};
struct group_source_req
{
uint32_t gsr_interface;
struct sockaddr_storage gsr_group;
struct sockaddr_storage gsr_source;
};
struct group_filter
{
uint32_t gf_interface;
struct sockaddr_storage gf_group;
uint32_t gf_fmode;
uint32_t gf_numsrc;
struct sockaddr_storage gf_slist[1];
};
#define GROUP_FILTER_SIZE(numsrc) (sizeof (struct group_filter) \
- sizeof (struct sockaddr_storage) \
+ (numsrc) * sizeof (struct sockaddr_storage))
/* Structure describing an Internet (IP) socket address. */
#define __SOCK_SIZE__ 16 /* sizeof(struct sockaddr) */
struct sockaddr_in
{
sa_family_t sin_family; /* Address family */
in_port_t 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) ((((in_addr_t) (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) ((((in_addr_t) (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) ((((in_addr_t) (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) ((((in_addr_t) (a)) & 0xf0000000) == 0xe0000000)
#define IN_MULTICAST(a) IN_CLASSD(a)
#define IN_MULTICAST_NET 0xF0000000
#define IN_EXPERIMENTAL(a) ((((in_addr_t) (a)) & 0xe0000000) == 0xe0000000)
#define IN_BADCLASS(a) ((((in_addr_t) (a)) & 0xf0000000) == 0xf0000000)
/* Address to accept any incoming messages. */
#define INADDR_ANY ((in_addr_t) 0x00000000)
/* Address to send to all hosts. */
#define INADDR_BROADCAST ((in_addr_t) 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) ((((in_addr_t) (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_ALLRTRS_GROUP 0xe0000002 /* 224.0.0.2 */
#define INADDR_MAX_LOCAL_GROUP 0xe00000ff /* 224.0.0.255 */
#define INET_ADDRSTRLEN 16
/* <asm/byteorder.h> contains the htonl type stuff.. */
#include <asm/byteorder.h>
/* 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 AF_INET6
#include <cygwin/in6.h>
#endif
#endif
#endif /* _CYGWIN_IN_H */