newlib-cygwin/winsup/w32api/include/ws2tcpip.h

139 lines
4.1 KiB
C

/*
* ws2tcpip.h : TCP/IP specific extensions in Windows Sockets 2
*
* Portions Copyright (c) 1980, 1983, 1988, 1993
* The Regents of the University of California. All rights reserved.
*
*/
#ifndef _WS2TCPIP_H
#define _WS2TCPIP_H
#include <winsock2.h>
/*
* The IP_* macros are also defined in winsock.h, but some values are different there.
* The values defined in winsock.h for 1.1 and used in wsock32.dll are consistent
* with the original values Steve Deering defined in his document "IP Multicast Extensions
* for 4.3BSD UNIX related systems (MULTICAST 1.2 Release)." However, these conflicted with
* the definitions for some IPPROTO_IP level socket options already assigned by BSD,
* so Berkeley changed all the values by adding 7. WinSock2 (ws2_32.dll) uses
* the BSD 4.4 compatible values defined here.
*
* See also: msdn kb article Q257460
* http://support.microsoft.com/support/kb/articles/Q257/4/60.asp
*/
/* This is also defined in winsock.h; value hasn't changed */
#define IP_OPTIONS 1
#define IP_HDRINCL 2
/*
* These are also be defined in winsock.h,
* but values have changed for WinSock2 interface
*/
#define IP_TOS 3 /* old (winsock 1.1) value 8 */
#define IP_TTL 4 /* old value 7 */
#define IP_MULTICAST_IF 9 /* old value 2 */
#define IP_MULTICAST_TTL 10 /* old value 3 */
#define IP_MULTICAST_LOOP 11 /* old value 4 */
#define IP_ADD_MEMBERSHIP 12 /* old value 5 */
#define IP_DROP_MEMBERSHIP 13 /* old value 6 */
#define IP_DONTFRAGMENT 14 /* old value 9 */
#define IP_DEFAULT_MULTICAST_TTL 1
#define IP_DEFAULT_MULTICAST_LOOP 1
#define IP_MAX_MEMBERSHIPS 20
#define TCP_EXPEDITED_1122 2
#define UDP_NOCHECKSUM 1
#define IFF_UP 1
#define IFF_BROADCAST 2
#define IFF_LOOPBACK 4
#define IFF_POINTTOPOINT 8
#define IFF_MULTICAST 16
#define SIO_GET_INTERFACE_LIST _IOR('t', 127, u_long)
/*
* ip_mreq also in winsock.h for WinSock1.1,
* but online msdn docs say it is defined here for WinSock2.
*/
struct ip_mreq {
struct in_addr imr_multiaddr;
struct in_addr imr_interface;
};
typedef struct _INTERFACE_INFO {
u_long iiFlags;
struct sockaddr iiAddress;
struct sockaddr iiBroadcastAddress;
struct sockaddr iiNetmask;
} INTERFACE_INFO, *LPINTERFACE_INFO;
/* ipv6 */
/*
* According to online msdn documentation (12 Dec 2000), two separate implentations
* of ipv6 are available (1) the Microsoft IPv6 Technology Preview (requires W2K SP1)
* and (2) the MS Research IPV6 implementation (requires NT4 or W2K).
* Neither are production level implementations.
*/
#if 0
/*
* The following is based on what online msdn PSDK docs say as at 5 Dec 2000
*/
struct in_addr6 /* sic */ { u_char s6_addr[16]; };
typedef struct in_addr6 IN6_ADDR, *PIN6_ADDR, *LPIN6_ADDR;
typedef struct sockaddr_in6 {
short sin6_family;
u_short sin6_port;
u_long sin6_flowinfo;
struct in_addr6 sin6_addr;
} SOCKADDR_IN6, *PSOCKADDR_IN6, *LPSOCKADDR_IN6;
#elif 0
/*
* In the FAQ section of Microsoft IPv6 Technology Preview for Windows 2000
* (dated 12 Dec 2000) it says that the Preview and the MS Research implemntation
* support RFC 2553, and in particular, uses the sockaddr_in6 structure defined
* in Section 3.3. That would look something like this:
*/
#include <stdint.h>
struct in6_addr { /* this is the standard name */
union {
uint8_t _u6_addr8[16];
uint16_t _u6_addr16[8];
uint32_t _u6_addr32[4];
/* uint64_t _u6_addr64[2];*/
} _u6_addr;
};
typedef struct in6_addr IN6_ADDR, *PIN6_ADDR, *LPIN6_ADDR;
#define s6_addr _u6_addr._u6_addr8
struct sockaddr_in6 {
uint16_t sin6_family; /* AF_INET6 */
uint16_t sin6_port; /* transport layer port # */
uint32_t sin6_flowinfo; /* IPv6 traffic class & flow info */
struct in6_addr sin6_addr; /* IPv6 address */
uint32_t sin6_scope_id; /* set of interfaces for a scope */
};
typedef struct sockaddr_in6 SOCKADDR_IN6, *PSOCKADDR_IN6, *LPSOCKADDR_IN6;
/*
* Watch this space.
* These may get moved out to ipv6 specific header(s). along with other
* standard structures and functions specified in RFC 2553.
*/
#endif
#endif /* _WS2TCPIP_H */