204 lines
6.9 KiB
C
204 lines
6.9 KiB
C
/*++
|
|
|
|
Copyright (c) Microsoft Corporation. All rights reserved.
|
|
|
|
Module Name:
|
|
|
|
qos.h - QoS definitions for NDIS components.
|
|
|
|
Abstract:
|
|
|
|
This module defines the Quality of Service structures and types used
|
|
by Winsock applications.
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
|
|
#ifndef __QOS_H_
|
|
#define __QOS_H_
|
|
|
|
|
|
/*
|
|
* Definitions for valued-based Service Type for each direction of data flow.
|
|
*/
|
|
|
|
typedef ULONG SERVICETYPE;
|
|
|
|
#define SERVICETYPE_NOTRAFFIC 0x00000000 /* No data in this
|
|
* direction */
|
|
#define SERVICETYPE_BESTEFFORT 0x00000001 /* Best Effort */
|
|
#define SERVICETYPE_CONTROLLEDLOAD 0x00000002 /* Controlled Load */
|
|
#define SERVICETYPE_GUARANTEED 0x00000003 /* Guaranteed */
|
|
|
|
#define SERVICETYPE_NETWORK_UNAVAILABLE 0x00000004 /* Used to notify
|
|
* change to user */
|
|
#define SERVICETYPE_GENERAL_INFORMATION 0x00000005 /* corresponds to
|
|
* "General Parameters"
|
|
* defined by IntServ */
|
|
#define SERVICETYPE_NOCHANGE 0x00000006 /* used to indicate
|
|
* that the flow spec
|
|
* contains no change
|
|
* from any previous
|
|
* one */
|
|
#define SERVICETYPE_NONCONFORMING 0x00000009 /* Non-Conforming Traffic */
|
|
#define SERVICETYPE_NETWORK_CONTROL 0x0000000A /* Network Control traffic */
|
|
#define SERVICETYPE_QUALITATIVE 0x0000000D /* Qualitative applications */
|
|
|
|
|
|
|
|
/********* The usage of these is currently not supported. ***************/
|
|
#define SERVICE_BESTEFFORT 0x80010000
|
|
#define SERVICE_CONTROLLEDLOAD 0x80020000
|
|
#define SERVICE_GUARANTEED 0x80040000
|
|
#define SERVICE_QUALITATIVE 0x80200000
|
|
/* **************************** ***** ************************************ */
|
|
|
|
|
|
|
|
/*
|
|
* Flags to control the usage of RSVP on this flow.
|
|
*/
|
|
|
|
/*
|
|
* to turn off traffic control, 'OR' ( | ) this flag with the
|
|
* ServiceType field in the FLOWSPEC
|
|
*/
|
|
#define SERVICE_NO_TRAFFIC_CONTROL 0x81000000
|
|
|
|
|
|
/*
|
|
* this flag can be used to prevent any rsvp signaling messages from being
|
|
* sent. Local traffic control will be invoked, but no RSVP Path messages
|
|
* will be sent.This flag can also be used in conjunction with a receiving
|
|
* flowspec to suppress the automatic generation of a Reserve message.
|
|
* The application would receive notification that a Path message had arrived
|
|
* and would then need to alter the QOS by issuing WSAIoctl( SIO_SET_QOS ),
|
|
* to unset this flag and thereby causing Reserve messages to go out.
|
|
*/
|
|
|
|
#define SERVICE_NO_QOS_SIGNALING 0x40000000
|
|
|
|
|
|
|
|
|
|
/*
|
|
* Flow Specifications for each direction of data flow.
|
|
*/
|
|
typedef struct _flowspec
|
|
{
|
|
ULONG TokenRate; /* In Bytes/sec */
|
|
ULONG TokenBucketSize; /* In Bytes */
|
|
ULONG PeakBandwidth; /* In Bytes/sec */
|
|
ULONG Latency; /* In microseconds */
|
|
ULONG DelayVariation; /* In microseconds */
|
|
SERVICETYPE ServiceType;
|
|
ULONG MaxSduSize; /* In Bytes */
|
|
ULONG MinimumPolicedSize; /* In Bytes */
|
|
|
|
} FLOWSPEC, *PFLOWSPEC, * LPFLOWSPEC;
|
|
|
|
/*
|
|
* this value can be used in the FLOWSPEC structure to instruct the Rsvp Service
|
|
* provider to derive the appropriate default value for the parameter. Note
|
|
* that not all values in the FLOWSPEC structure can be defaults. In the
|
|
* ReceivingFlowspec, all parameters can be defaulted except the ServiceType.
|
|
* In the SendingFlowspec, the MaxSduSize and MinimumPolicedSize can be
|
|
* defaulted. Other defaults may be possible. Refer to the appropriate
|
|
* documentation.
|
|
*/
|
|
#define QOS_NOT_SPECIFIED 0xFFFFFFFF
|
|
|
|
/*
|
|
* define a value that can be used for the PeakBandwidth, which will map into
|
|
* positive infinity when the FLOWSPEC is converted into IntServ floating point
|
|
* format. We can't use (-1) because that value was previously defined to mean
|
|
* "select the default".
|
|
*/
|
|
#define POSITIVE_INFINITY_RATE 0xFFFFFFFE
|
|
|
|
|
|
|
|
/*
|
|
* the provider specific structure can have a number of objects in it.
|
|
* Each next structure in the
|
|
* ProviderSpecific will be the QOS_OBJECT_HDR struct that prefaces the actual
|
|
* data with a type and length for that object. This QOS_OBJECT struct can
|
|
* repeat several times if there are several objects. This list of objects
|
|
* terminates either when the buffer length has been reached ( WSABUF ) or
|
|
* an object of type QOS_END_OF_LIST is encountered.
|
|
*/
|
|
typedef struct {
|
|
|
|
ULONG ObjectType;
|
|
ULONG ObjectLength; /* the length of object buffer INCLUDING
|
|
* this header */
|
|
|
|
} QOS_OBJECT_HDR, *LPQOS_OBJECT_HDR;
|
|
|
|
|
|
/*
|
|
* general QOS objects start at this offset from the base and have a range
|
|
* of 1000
|
|
*/
|
|
#define QOS_GENERAL_ID_BASE 2000
|
|
|
|
#define QOS_OBJECT_END_OF_LIST (0x00000001 + QOS_GENERAL_ID_BASE)
|
|
/* QOS_End_of_list structure passed */
|
|
#define QOS_OBJECT_SD_MODE (0x00000002 + QOS_GENERAL_ID_BASE)
|
|
/* QOS_ShapeDiscard structure passed */
|
|
#define QOS_OBJECT_SHAPING_RATE (0x00000003 + QOS_GENERAL_ID_BASE)
|
|
/* QOS_ShapingRate structure */
|
|
#define QOS_OBJECT_DESTADDR (0x00000004 + QOS_GENERAL_ID_BASE)
|
|
/* QOS_DestAddr structure (defined in qossp.h) */
|
|
|
|
|
|
/*
|
|
* This structure is used to define the behaviour that the traffic
|
|
* control packet shaper will apply to the flow.
|
|
*
|
|
* TC_NONCONF_BORROW - the flow will receive resources remaining
|
|
* after all higher priority flows have been serviced. If a
|
|
* TokenRate is specified, packets may be non-conforming and
|
|
* will be demoted to less than best-effort priority.
|
|
*
|
|
* TC_NONCONF_SHAPE - TokenRate must be specified. Non-conforming
|
|
* packets will be retianed in the packet shaper until they become
|
|
* conforming.
|
|
*
|
|
* TC_NONCONF_DISCARD - TokenRate must be specified. Non-conforming
|
|
* packets will be discarded.
|
|
*
|
|
*/
|
|
|
|
typedef struct _QOS_SD_MODE {
|
|
|
|
QOS_OBJECT_HDR ObjectHdr;
|
|
ULONG ShapeDiscardMode;
|
|
|
|
} QOS_SD_MODE, *LPQOS_SD_MODE;
|
|
|
|
#define TC_NONCONF_BORROW 0
|
|
#define TC_NONCONF_SHAPE 1
|
|
#define TC_NONCONF_DISCARD 2
|
|
#define TC_NONCONF_BORROW_PLUS 3 // Not supported currently
|
|
|
|
|
|
/*
|
|
* This structure allows an app to specify a prorated "average token rate" using by
|
|
* the traffic shaper under SHAPE modehaper queue. It is expressed in bytes per sec.
|
|
*
|
|
* ShapingRate (bytes per sec.)
|
|
*
|
|
*/
|
|
|
|
typedef struct _QOS_SHAPING_RATE {
|
|
|
|
QOS_OBJECT_HDR ObjectHdr;
|
|
ULONG ShapingRate;
|
|
|
|
} QOS_SHAPING_RATE, *LPQOS_SHAPING_RATE;
|
|
|
|
|
|
#endif /* __QOS_H_ */
|