172 lines
5.3 KiB
C
172 lines
5.3 KiB
C
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/*
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** WS2TCPIP.H - WinSock2 Extension for TCP/IP protocols
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**
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** This file contains TCP/IP specific information for use
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** by WinSock2 compatible applications.
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**
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** Copyright (c) 1995-1999 Microsoft Corporation
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**
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** To provide the backward compatibility, all the TCP/IP
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** specific definitions that were included in the WINSOCK.H
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** file are now included in WINSOCK2.H file. WS2TCPIP.H
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** file includes only the definitions introduced in the
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** "WinSock 2 Protocol-Specific Annex" document.
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**
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** Rev 0.3 Nov 13, 1995
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** Rev 0.4 Dec 15, 1996
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*/
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#ifndef _WS2TCPIP_H_
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#pragma option push -b -a8 -pc -A- /*P_O_Push*/
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#define _WS2TCPIP_H_
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#if _MSC_VER > 1000
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#pragma once
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#endif
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/* Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP */
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struct ip_mreq {
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struct in_addr imr_multiaddr; /* IP multicast address of group */
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struct in_addr imr_interface; /* local IP address of interface */
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};
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/* TCP/IP specific Ioctl codes */
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#define SIO_GET_INTERFACE_LIST _IOR('t', 127, u_long)
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/* New IOCTL with address size independent address array */
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#define SIO_GET_INTERFACE_LIST_EX _IOR('t', 126, u_long)
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/* Option to use with [gs]etsockopt at the IPPROTO_IP level */
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#define IP_OPTIONS 1 /* set/get IP options */
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#define IP_HDRINCL 2 /* header is included with data */
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#define IP_TOS 3 /* IP type of service and preced*/
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#define IP_TTL 4 /* IP time to live */
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#define IP_MULTICAST_IF 9 /* set/get IP multicast i/f */
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#define IP_MULTICAST_TTL 10 /* set/get IP multicast ttl */
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#define IP_MULTICAST_LOOP 11 /*set/get IP multicast loopback */
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#define IP_ADD_MEMBERSHIP 12 /* add an IP group membership */
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#define IP_DROP_MEMBERSHIP 13/* drop an IP group membership */
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#define IP_DONTFRAGMENT 14 /* don't fragment IP datagrams */
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/* Option to use with [gs]etsockopt at the IPPROTO_UDP level */
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#define UDP_NOCHECKSUM 1
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/* Option to use with [gs]etsockopt at the IPPROTO_TCP level */
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#define TCP_EXPEDITED_1122 0x0002
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/* IPv6 definitions */
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struct in_addr6 {
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u_char s6_addr[16]; /* IPv6 address */
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};
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/* Old IPv6 socket address structure (retained for sockaddr_gen definition below) */
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struct sockaddr_in6_old {
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short sin6_family; /* AF_INET6 */
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u_short sin6_port; /* Transport level port number */
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u_long sin6_flowinfo; /* IPv6 flow information */
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struct in_addr6 sin6_addr; /* IPv6 address */
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};
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/* IPv6 socket address structure, RFC 2553 */
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struct sockaddr_in6 {
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short sin6_family; /* AF_INET6 */
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u_short sin6_port; /* Transport level port number */
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u_long sin6_flowinfo; /* IPv6 flow information */
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struct in_addr6 sin6_addr; /* IPv6 address */
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u_long sin6_scope_id; /* set of interfaces for a scope */
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};
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typedef struct in_addr6 IN6_ADDR;
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typedef struct in_addr6 *PIN6_ADDR;
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typedef struct in_addr6 FAR *LPIN6_ADDR;
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typedef struct sockaddr_in6 SOCKADDR_IN6;
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typedef struct sockaddr_in6 *PSOCKADDR_IN6;
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typedef struct sockaddr_in6 FAR *LPSOCKADDR_IN6;
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#define IN6ADDR_SETANY(x) {\
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(x)->sin6_family = AF_INET6; \
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(x)->sin6_port = 0; \
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(x)->sin6_flowinfo = 0; \
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*((u_long *)((x)->sin6_addr.s6_addr) ) = 0; \
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*((u_long *)((x)->sin6_addr.s6_addr) + 1) = 0; \
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*((u_long *)((x)->sin6_addr.s6_addr) + 2) = 0; \
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*((u_long *)((x)->sin6_addr.s6_addr) + 3) = 0; \
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}
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#define IN6ADDR_SETLOOPBACK(x) {\
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(x)->sin6_family = AF_INET6; \
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(x)->sin6_port = 0; \
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(x)->sin6_flowinfo = 0; \
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*((u_long *)((x)->sin6_addr.s6_addr) ) = 0; \
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*((u_long *)((x)->sin6_addr.s6_addr) + 1) = 0; \
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*((u_long *)((x)->sin6_addr.s6_addr) + 2) = 0; \
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*((u_long *)((x)->sin6_addr.s6_addr) + 3) = 1; \
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}
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#define IN6ADDR_ISANY(x) ( \
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(x)->sin6_family == AF_INET6 && \
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*((u_long *)((x)->sin6_addr.s6_addr) ) == 0 && \
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*((u_long *)((x)->sin6_addr.s6_addr) + 1) == 0 && \
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*((u_long *)((x)->sin6_addr.s6_addr) + 2) == 0 && \
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*((u_long *)((x)->sin6_addr.s6_addr) + 3) == 0 \
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)
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#define IN6ADDR_ISLOOPBACK(x) (\
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(x)->sin6_family == AF_INET6 && \
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*((u_long *)((x)->sin6_addr.s6_addr) ) == 0 && \
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*((u_long *)((x)->sin6_addr.s6_addr) + 1) == 0 && \
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*((u_long *)((x)->sin6_addr.s6_addr) + 2) == 0 && \
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*((u_long *)((x)->sin6_addr.s6_addr) + 3) == 1 \
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)
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typedef union sockaddr_gen{
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struct sockaddr Address;
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struct sockaddr_in AddressIn;
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struct sockaddr_in6_old AddressIn6;
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} sockaddr_gen;
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/* Structure to keep interface specific information */
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typedef struct _INTERFACE_INFO
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{
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u_long iiFlags; /* Interface flags */
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sockaddr_gen iiAddress; /* Interface address */
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sockaddr_gen iiBroadcastAddress; /* Broadcast address */
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sockaddr_gen iiNetmask; /* Network mask */
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} INTERFACE_INFO, FAR * LPINTERFACE_INFO;
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/* New structure that does not have dependency on the address size */
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typedef struct _INTERFACE_INFO_EX
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{
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u_long iiFlags; /* Interface flags */
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SOCKET_ADDRESS iiAddress; /* Interface address */
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SOCKET_ADDRESS iiBroadcastAddress; /* Broadcast address */
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SOCKET_ADDRESS iiNetmask; /* Network mask */
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} INTERFACE_INFO_EX, FAR * LPINTERFACE_INFO_EX;
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/* Possible flags for the iiFlags - bitmask */
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#define IFF_UP 0x00000001 /* Interface is up */
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#define IFF_BROADCAST 0x00000002 /* Broadcast is supported */
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#define IFF_LOOPBACK 0x00000004 /* this is loopback interface */
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#define IFF_POINTTOPOINT 0x00000008 /*this is point-to-point interface*/
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#define IFF_MULTICAST 0x00000010 /* multicast is supported */
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#pragma option pop /*P_O_Pop*/
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#endif /* _WS2TCPIP_H_ */
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