English
- {
- WS2TCPIP.H - WinSock2 Extension for TCP/IP protocols
- This file contains TCP/IP specific information for use
- by WinSock2 compatible applications.
- Copyright (c) 1995-1999 Microsoft Corporation
- To provide the backward compatibility, all the TCP/IP
- specific definitions that were included in the WINSOCK.H
- file are now included in WINSOCK2.H file. WS2TCPIP.H
- file includes only the definitions introduced in the
- "WinSock 2 Protocol-Specific Annex" document.
- Rev 0.3 Nov 13, 1995
- Rev 0.4 Dec 15, 1996
- }
- // Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP
- type
- ip_mreq = packed record
- imr_multiaddr : TInAddr; // IP multicast address of group
- imr_interface : TInAddr; // local IP address of interface
- end;
- // TCP/IP specific Ioctl codes
- const
- SIO_GET_INTERFACE_LIST = IOC_OUT or (SizeOf(Longint) shl 16) or (Ord('t') shl 8) or 127;
- // New IOCTL with address size independent address array
- SIO_GET_INTERFACE_LIST_EX = IOC_OUT or (SizeOf(Longint) shl 16) or (Ord('t') shl 8) or 126;
- // Options for use with [gs]etsockopt at the IP level.
- IP_OPTIONS = 1; // set/get IP options
- IP_HDRINCL = 2; // header is included with data
- IP_TOS = 3; // IP type of service and preced
- IP_TTL = 4; // IP time to live
- IP_MULTICAST_IF = 9; // set/get IP multicast i/f
- IP_MULTICAST_TTL = 10; // set/get IP multicast ttl
- IP_MULTICAST_LOOP = 11; // set/get IP multicast loopback
- IP_ADD_MEMBERSHIP = 12; // add an IP group membership
- IP_DROP_MEMBERSHIP = 13; // drop an IP group membership
- IP_DONTFRAGMENT = 14; // don't fragment IP datagrams
- IP_DEFAULT_MULTICAST_TTL = 1; // normally limit m'casts to 1 hop
- IP_DEFAULT_MULTICAST_LOOP = 1; // normally hear sends if a member
- IP_MAX_MEMBERSHIPS = 20; // per socket; must fit in one mbuf
- // Option to use with [gs]etsockopt at the IPPROTO_UDP level
- UDP_NOCHECKSUM = 1;
- // Option to use with [gs]etsockopt at the IPPROTO_TCP level
- TCP_EXPEDITED_1122 = $0002;
- // IPv6 definitions
- type
- IN_ADDR6 = packed record
- s6_addr : array[0..15] of u_char; // IPv6 address
- end;
- TIn6Addr = IN_ADDR6;
- PIn6Addr = ^IN_ADDR6;
- IN6_ADDR = IN_ADDR6;
- PIN6_ADDR = ^IN_ADDR6;
- LPIN6_ADDR = ^IN_ADDR6;
- // Old IPv6 socket address structure (retained for sockaddr_gen definition below)
- SOCKADDR_IN6_OLD = packed record
- sin6_family : Smallint; // AF_INET6
- sin6_port : u_short; // Transport level port number
- sin6_flowinfo : u_long; // IPv6 flow information
- sin6_addr : IN_ADDR6; // IPv6 address
- end;
- // IPv6 socket address structure, RFC 2553
- SOCKADDR_IN6 = packed record
- sin6_family : Smallint; // AF_INET6
- sin6_port : u_short; // Transport level port number
- sin6_flowinfo : u_long; // IPv6 flow information
- sin6_addr : IN_ADDR6; // IPv6 address
- sin6_scope_id : u_long; // set of interfaces for a scope
- end;
- TSockAddrIn6 = SOCKADDR_IN6;
- PSockAddrIn6 = ^SOCKADDR_IN6;
- PSOCKADDR_IN6 = ^SOCKADDR_IN6;
- LPSOCKADDR_IN6 = ^SOCKADDR_IN6;
- sockaddr_gen = packed record
- case Integer of
- 1 : ( Address : SOCKADDR; );
- 2 : ( AddressIn : SOCKADDR_IN; );
- 3 : ( AddressIn6 : SOCKADDR_IN6_OLD; );
- end;
- // Structure to keep interface specific information
- INTERFACE_INFO = packed record
- iiFlags : u_long; // Interface flags
- iiAddress : sockaddr_gen; // Interface address
- iiBroadcastAddress : sockaddr_gen; // Broadcast address
- iiNetmask : sockaddr_gen; // Network mask
- end;
- TINTERFACE_INFO = INTERFACE_INFO;
- LPINTERFACE_INFO = ^INTERFACE_INFO;
- // New structure that does not have dependency on the address size
- INTERFACE_INFO_EX = packed record
- iiFlags : u_long; // Interface flags
- iiAddress : SOCKET_ADDRESS; // Interface address
- iiBroadcastAddress : SOCKET_ADDRESS; // Broadcast address
- iiNetmask : SOCKET_ADDRESS; // Network mask
- end;
- TINTERFACE_INFO_EX = INTERFACE_INFO_EX;
- LPINTERFACE_INFO_EX = ^INTERFACE_INFO_EX;
- // Possible flags for the iiFlags - bitmask
- const
- IFF_UP = $00000001; // Interface is up
- IFF_BROADCAST = $00000002; // Broadcast is supported
- IFF_LOOPBACK = $00000004; // this is loopback interface
- IFF_POINTTOPOINT = $00000008; // this is point-to-point interface
- IFF_MULTICAST = $00000010; // multicast is supported
