552 lines
12 KiB
C
552 lines
12 KiB
C
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/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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traffic.h
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Abstract:
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This module contains API definitions for the traffic control interface.
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--*/
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#ifndef __TRAFFIC_H
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#define __TRAFFIC_H
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#if _MSC_VER > 1000
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#pragma once
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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//---------------------------------------------------------------------------
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//
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// Define's
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//
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#define CURRENT_TCI_VERSION 0x0002
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//
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// Definitions of notification events. These may be passed
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// to the client's notification handler, to identify the
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// notification type
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//
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//
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// A TC interface has come up
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//
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#define TC_NOTIFY_IFC_UP 1
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//
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// A TC interface has come down
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//
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#define TC_NOTIFY_IFC_CLOSE 2
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//
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// A change on a TC interface, typically a change in the
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// list of supported network addresses
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//
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#define TC_NOTIFY_IFC_CHANGE 3
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//
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// A TC parameter has changed
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//
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#define TC_NOTIFY_PARAM_CHANGED 4
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//
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// A flow has been closed by the TC interface
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// for example: after a remote call close, or the whole interface
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// is going down
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//
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#define TC_NOTIFY_FLOW_CLOSE 5
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#define TC_INVALID_HANDLE ((HANDLE)0)
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#define MAX_STRING_LENGTH 256
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//---------------------------------------------------------------------------
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//
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// Typedef's and structures
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//
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#ifndef CALLBACK
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#define CALLBACK __stdcall
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#endif
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#ifndef APIENTRY
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#define APIENTRY FAR __stdcall
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#endif
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//
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// Handlers registered by the TCI client
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//
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typedef
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VOID (CALLBACK * TCI_NOTIFY_HANDLER)(
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IN HANDLE ClRegCtx,
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IN HANDLE ClIfcCtx,
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IN ULONG Event, // See list below
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IN HANDLE SubCode,
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IN ULONG BufSize,
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IN PVOID Buffer
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);
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typedef
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VOID (CALLBACK * TCI_ADD_FLOW_COMPLETE_HANDLER)(
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IN HANDLE ClFlowCtx,
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IN ULONG Status
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);
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typedef
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VOID (CALLBACK * TCI_MOD_FLOW_COMPLETE_HANDLER)(
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IN HANDLE ClFlowCtx,
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IN ULONG Status
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);
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typedef
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VOID (CALLBACK * TCI_DEL_FLOW_COMPLETE_HANDLER)(
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IN HANDLE ClFlowCtx,
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IN ULONG Status
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);
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typedef struct _TCI_CLIENT_FUNC_LIST {
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TCI_NOTIFY_HANDLER ClNotifyHandler;
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TCI_ADD_FLOW_COMPLETE_HANDLER ClAddFlowCompleteHandler;
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TCI_MOD_FLOW_COMPLETE_HANDLER ClModifyFlowCompleteHandler;
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TCI_DEL_FLOW_COMPLETE_HANDLER ClDeleteFlowCompleteHandler;
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} TCI_CLIENT_FUNC_LIST, *PTCI_CLIENT_FUNC_LIST;
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//
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// Network address descriptor
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//
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typedef struct _ADDRESS_LIST_DESCRIPTOR {
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ULONG MediaType;
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NETWORK_ADDRESS_LIST AddressList;
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} ADDRESS_LIST_DESCRIPTOR, *PADDRESS_LIST_DESCRIPTOR;
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//
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// An interface ID that is returned by the enumerator
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//
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typedef struct _TC_IFC_DESCRIPTOR {
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ULONG Length;
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LPWSTR pInterfaceName;
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LPWSTR pInterfaceID;
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ADDRESS_LIST_DESCRIPTOR AddressListDesc;
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} TC_IFC_DESCRIPTOR, *PTC_IFC_DESCRIPTOR;
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//
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// This structure is returned by a QoS data provider in reply to
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// GUID_QOS_SUPPORTED query or with an interface UP notification
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//
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typedef struct _TC_SUPPORTED_INFO_BUFFER {
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USHORT InstanceIDLength;
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// device or interface ID
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WCHAR InstanceID[MAX_STRING_LENGTH];
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// address list
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ADDRESS_LIST_DESCRIPTOR AddrListDesc;
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} TC_SUPPORTED_INFO_BUFFER, *PTC_SUPPORTED_INFO_BUFFER;
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//
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// Filters are used to match packets. The Pattern field
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// indicates the values to which bits in corresponding
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// positions in candidate packets should be compared. The
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// Mask field indicates which bits are to be compared and
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// which bits are don't cares.
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//
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// Different filters can be submitted on the TCI interface.
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// The generic filter structure is defined to include an
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// AddressType, which indicates the specific type of filter to
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// follow.
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//
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typedef struct _TC_GEN_FILTER {
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USHORT AddressType; // IP, IPX, etc.
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ULONG PatternSize; // byte count of the pattern
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PVOID Pattern; // specific format, e.g. IP_PATTERN
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PVOID Mask; // same type as Pattern
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} TC_GEN_FILTER, *PTC_GEN_FILTER;
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//
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// A generic flow includes two flowspecs and a freeform
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// buffer which contains flow specific TC objects.
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//
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typedef struct _TC_GEN_FLOW {
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FLOWSPEC SendingFlowspec;
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FLOWSPEC ReceivingFlowspec;
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ULONG TcObjectsLength; // number of optional bytes
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QOS_OBJECT_HDR TcObjects[1];
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} TC_GEN_FLOW, *PTC_GEN_FLOW;
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//
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// Format of specific pattern or mask used by GPC for the IP protocol
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//
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typedef struct _IP_PATTERN {
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ULONG Reserved1;
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ULONG Reserved2;
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ULONG SrcAddr;
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ULONG DstAddr;
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union {
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struct { USHORT s_srcport,s_dstport; } S_un_ports;
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struct { UCHAR s_type,s_code; USHORT filler; } S_un_icmp;
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ULONG S_Spi;
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} S_un;
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UCHAR ProtocolId;
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UCHAR Reserved3[3];
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#define tcSrcPort S_un.S_un_ports.s_srcport
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#define tcDstPort S_un.S_un_ports.s_dstport
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#define tcIcmpType S_un.S_un_icmp.s_type
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#define tcIcmpCode S_un.S_un_icmp.s_code
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#define tcSpi S_un.S_Spi
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} IP_PATTERN, *PIP_PATTERN;
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//
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// Format of specific pattern or mask used by GPC for the IPX protocol
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//
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typedef struct _IPX_PATTERN {
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struct {
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ULONG NetworkAddress;
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UCHAR NodeAddress[6];
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USHORT Socket;
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} Src, Dest;
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} IPX_PATTERN, *PIPX_PATTERN;
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//
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// The enumeration buffer is the flow parameters + a list of filters
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//
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typedef struct _ENUMERATION_BUFFER {
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ULONG Length;
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ULONG OwnerProcessId;
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USHORT FlowNameLength;
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WCHAR FlowName[MAX_STRING_LENGTH];
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PTC_GEN_FLOW pFlow;
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ULONG NumberOfFilters;
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TC_GEN_FILTER GenericFilter[1]; // one for each filter
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} ENUMERATION_BUFFER, *PENUMERATION_BUFFER;
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//
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// QoS objects supported by traffic
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//
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#define QOS_TRAFFIC_GENERAL_ID_BASE 4000
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#define QOS_OBJECT_DS_CLASS (0x00000001 + QOS_TRAFFIC_GENERAL_ID_BASE)
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/* QOS_DS_CLASS structure passed */
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#define QOS_OBJECT_TRAFFIC_CLASS (0x00000002 + QOS_TRAFFIC_GENERAL_ID_BASE)
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/* QOS_Traffic class structure passed */
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#define QOS_OBJECT_DIFFSERV (0x00000003 + QOS_TRAFFIC_GENERAL_ID_BASE)
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/* QOS_DIFFSERV Structure */
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#define QOS_OBJECT_TCP_TRAFFIC (0x00000004 + QOS_TRAFFIC_GENERAL_ID_BASE)
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/* QOS_TCP_TRAFFIC structure */
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#define QOS_OBJECT_FRIENDLY_NAME (0x00000005 + QOS_TRAFFIC_GENERAL_ID_BASE)
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/* QOS_FRIENDLY_NAME structure */
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//
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// This structure is used to associate a friendly name with the flow
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//
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typedef struct _QOS_FRIENDLY_NAME {
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QOS_OBJECT_HDR ObjectHdr;
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WCHAR FriendlyName[MAX_STRING_LENGTH];
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} QOS_FRIENDLY_NAME, *LPQOS_FRIENDLY_NAME;
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//
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// This structure may carry an 802.1 TrafficClass parameter which
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// has been provided to the host by a layer 2 network, for example,
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// in an 802.1 extended RSVP RESV message. If this object is obtained
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// from the network, hosts will stamp the MAC headers of corresponding
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// transmitted packets, with the value in the object. Otherwise, hosts
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// may select a value based on the standard Intserv mapping of
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// ServiceType to 802.1 TrafficClass.
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//
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//
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typedef struct _QOS_TRAFFIC_CLASS {
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QOS_OBJECT_HDR ObjectHdr;
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ULONG TrafficClass;
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} QOS_TRAFFIC_CLASS, *LPQOS_TRAFFIC_CLASS;
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//
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// This structure may carry an DSField parameter which has been provided to
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// the host by a layer 3 network, for example, in an extended RSVP RESV message.
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// If this object is obtained from the network, hosts will stamp the DS Field on the
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// IP header of transmitted packets, with the value in the object. Otherwise, hosts
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// may select a value based on the standard Intserv mapping of ServiceType to DS Field
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//
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typedef struct _QOS_DS_CLASS {
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QOS_OBJECT_HDR ObjectHdr;
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ULONG DSField;
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} QOS_DS_CLASS, *LPQOS_DS_CLASS;
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//
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// This structure is used to create DiffServ Flows. This creates flows in the packet scheduler
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// and allows it to classify to packets based on a particular DS field. This structure takes
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// a variable length array of QOS_DIFFSERV_RULE, where each DS field is specified by a
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// QOS_DIFFSERV_RULE
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//
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typedef struct _QOS_DIFFSERV {
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QOS_OBJECT_HDR ObjectHdr;
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ULONG DSFieldCount;
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UCHAR DiffservRule[1];
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} QOS_DIFFSERV, *LPQOS_DIFFSERV;
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//
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// The rule for a Diffserv DS codepoint.
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//
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typedef struct _QOS_DIFFSERV_RULE {
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UCHAR InboundDSField;
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UCHAR ConformingOutboundDSField;
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UCHAR NonConformingOutboundDSField;
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UCHAR ConformingUserPriority;
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UCHAR NonConformingUserPriority;
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} QOS_DIFFSERV_RULE, *LPQOS_DIFFSERV_RULE;
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//
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// This structure is passed to indicate that the IP Precedence and UserPriority mappings for the flow
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// have to be set to the system defaults for TCP traffic. If this object is passed,
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// the ServiceType ==> DSField mapping, ServiceType ==> UserPriorityMapping, QOS_OBJECT_DS_CLASS
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// and QOS_OBJECT_TRAFFIC_CLASS will be ignored.
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//
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typedef struct _QOS_TCP_TRAFFIC {
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QOS_OBJECT_HDR ObjectHdr;
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} QOS_TCP_TRAFFIC, *LPQOS_TCP_TRAFFIC;
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//---------------------------------------------------------------------------
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//
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// Interface Function Definitions
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//
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ULONG
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APIENTRY
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TcRegisterClient(
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IN ULONG TciVersion,
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IN HANDLE ClRegCtx,
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IN PTCI_CLIENT_FUNC_LIST ClientHandlerList,
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OUT PHANDLE pClientHandle
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);
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ULONG
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APIENTRY
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TcEnumerateInterfaces(
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IN HANDLE ClientHandle,
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IN OUT PULONG pBufferSize,
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OUT PTC_IFC_DESCRIPTOR InterfaceBuffer
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);
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ULONG
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APIENTRY
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TcOpenInterfaceA(
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IN LPSTR pInterfaceName,
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IN HANDLE ClientHandle,
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IN HANDLE ClIfcCtx,
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OUT PHANDLE pIfcHandle
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);
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ULONG
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APIENTRY
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TcOpenInterfaceW(
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IN LPWSTR pInterfaceName,
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IN HANDLE ClientHandle,
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IN HANDLE ClIfcCtx,
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OUT PHANDLE pIfcHandle
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);
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ULONG
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APIENTRY
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TcCloseInterface(
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IN HANDLE IfcHandle
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);
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ULONG
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APIENTRY
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TcQueryInterface(
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IN HANDLE IfcHandle,
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IN LPGUID pGuidParam,
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IN BOOLEAN NotifyChange,
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||
|
|
IN OUT PULONG pBufferSize,
|
||
|
|
OUT PVOID Buffer
|
||
|
|
);
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
APIENTRY
|
||
|
|
TcSetInterface(
|
||
|
|
IN HANDLE IfcHandle,
|
||
|
|
IN LPGUID pGuidParam,
|
||
|
|
IN ULONG BufferSize,
|
||
|
|
IN PVOID Buffer
|
||
|
|
);
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
APIENTRY
|
||
|
|
TcQueryFlowA(
|
||
|
|
IN LPSTR pFlowName,
|
||
|
|
IN LPGUID pGuidParam,
|
||
|
|
IN OUT PULONG pBufferSize,
|
||
|
|
OUT PVOID Buffer
|
||
|
|
);
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
APIENTRY
|
||
|
|
TcQueryFlowW(
|
||
|
|
IN LPWSTR pFlowName,
|
||
|
|
IN LPGUID pGuidParam,
|
||
|
|
IN OUT PULONG pBufferSize,
|
||
|
|
OUT PVOID Buffer
|
||
|
|
);
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
APIENTRY
|
||
|
|
TcSetFlowA(
|
||
|
|
IN LPSTR pFlowName,
|
||
|
|
IN LPGUID pGuidParam,
|
||
|
|
IN ULONG BufferSize,
|
||
|
|
IN PVOID Buffer
|
||
|
|
);
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
APIENTRY
|
||
|
|
TcSetFlowW(
|
||
|
|
IN LPWSTR pFlowName,
|
||
|
|
IN LPGUID pGuidParam,
|
||
|
|
IN ULONG BufferSize,
|
||
|
|
IN PVOID Buffer
|
||
|
|
);
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
APIENTRY
|
||
|
|
TcAddFlow(
|
||
|
|
IN HANDLE IfcHandle,
|
||
|
|
IN HANDLE ClFlowCtx,
|
||
|
|
IN ULONG Flags,
|
||
|
|
IN PTC_GEN_FLOW pGenericFlow,
|
||
|
|
OUT PHANDLE pFlowHandle
|
||
|
|
);
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
APIENTRY
|
||
|
|
TcGetFlowNameA(
|
||
|
|
IN HANDLE FlowHandle,
|
||
|
|
IN ULONG StrSize,
|
||
|
|
OUT LPSTR pFlowName
|
||
|
|
);
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
APIENTRY
|
||
|
|
TcGetFlowNameW(
|
||
|
|
IN HANDLE FlowHandle,
|
||
|
|
IN ULONG StrSize,
|
||
|
|
OUT LPWSTR pFlowName
|
||
|
|
);
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
APIENTRY
|
||
|
|
TcModifyFlow(
|
||
|
|
IN HANDLE FlowHandle,
|
||
|
|
IN PTC_GEN_FLOW pGenericFlow
|
||
|
|
);
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
APIENTRY
|
||
|
|
TcAddFilter(
|
||
|
|
IN HANDLE FlowHandle,
|
||
|
|
IN PTC_GEN_FILTER pGenericFilter,
|
||
|
|
OUT PHANDLE pFilterHandle
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
APIENTRY
|
||
|
|
TcDeregisterClient(
|
||
|
|
IN HANDLE ClientHandle
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
APIENTRY
|
||
|
|
TcDeleteFlow(
|
||
|
|
IN HANDLE FlowHandle
|
||
|
|
);
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
APIENTRY
|
||
|
|
TcDeleteFilter(
|
||
|
|
IN HANDLE FilterHandle
|
||
|
|
);
|
||
|
|
|
||
|
|
ULONG
|
||
|
|
APIENTRY
|
||
|
|
TcEnumerateFlows(
|
||
|
|
IN HANDLE IfcHandle,
|
||
|
|
IN OUT PHANDLE pEnumHandle,
|
||
|
|
IN OUT PULONG pFlowCount,
|
||
|
|
IN OUT PULONG pBufSize,
|
||
|
|
OUT PENUMERATION_BUFFER Buffer
|
||
|
|
);
|
||
|
|
|
||
|
|
#ifdef UNICODE
|
||
|
|
|
||
|
|
#define TcOpenInterface TcOpenInterfaceW
|
||
|
|
#define TcQueryFlow TcQueryFlowW
|
||
|
|
#define TcSetFlow TcSetFlowW
|
||
|
|
#define TcGetFlowName TcGetFlowNameW
|
||
|
|
|
||
|
|
#else // UNICODE
|
||
|
|
|
||
|
|
#define TcOpenInterface TcOpenInterfaceA
|
||
|
|
#define TcQueryFlow TcQueryFlowA
|
||
|
|
#define TcSetFlow TcSetFlowA
|
||
|
|
#define TcGetFlowName TcGetFlowNameA
|
||
|
|
|
||
|
|
#endif // UNICODE
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|