155 lines
3.3 KiB
C
155 lines
3.3 KiB
C
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/*++
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Copyright (c) 1998 Microsoft Corporation
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Module Name:
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ffp.h
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Abstract:
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Structures used in controlling the
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Fast Forwarding Path (FFP)
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functionality in network drivers.
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Author:
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Chaitanya Kodeboyina (chaitk) 30-Sep-1998
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Environment:
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Kernel Mode
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Revision History:
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--*/
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#ifndef _FFP_H
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#define _FFP_H
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//
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// CacheEntryTypes for OID_FFP_SEED
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//
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#define FFP_DISCARD_PACKET -1 // -ve cache entry - packet discarded
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#define FFP_INDICATE_PACKET 0 // invalid entry - packet passed to xport
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#define FFP_FORWARD_PACKET +1 // +ve cache entry - packet forwarded
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//
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// Input format for various NDIS OIDs
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// used in controlling FFP operation
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//
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//
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// RequestInfo for OID_FFP_SUPPORT query
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//
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typedef struct _FFPVersionParams {
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ULONG NdisProtocolType;
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ULONG FFPVersion;
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} FFPVersionParams;
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//
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// RequestInfo for OID_FFP_SUPPORT set
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//
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typedef struct _FFPSupportParams {
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ULONG NdisProtocolType;
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ULONG FastForwardingCacheSize;
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ULONG FFPControlFlags;
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} FFPSupportParams;
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//
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// RequestInfo for OID_FFP_FLUSH set
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//
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typedef struct _FFPFlushParams {
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ULONG NdisProtocolType;
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} FFPFlushParams;
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//
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// RequestInfo for OID_FFP_CONTROL query/set
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//
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typedef struct _FFPControlParams {
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ULONG NdisProtocolType;
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ULONG FFPControlFlags;
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} FFPControlParams;
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//
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// RequestInfo for OID_FFP_PARAMS query/set
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//
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typedef struct _FFPCacheParams {
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ULONG NdisProtocolType;
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ULONG FastForwardingCacheSize;
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} FFPCacheParams;
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//
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// RequestInfo for OID_FFP_SEED query/set
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//
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typedef struct _FFPDataParams {
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ULONG NdisProtocolType;
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LONG CacheEntryType;
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ULONG HeaderSize;
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union {
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UCHAR Header[1];
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struct {
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IPHeader Header;
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ULONG DwordAfterHeader;
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} IpHeader;
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};
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} FFPDataParams;
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//
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// RequestInfo for OID_FFP_IFSTATS query/reset
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// [ used to get per adapter FF statistics ]
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//
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/*
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InPacketsForwarded refers to the number of packets
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received on this adapter that were forwarded out
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on another adapter,
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and
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OutPacketsForwarded refer to the number of packets
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received on another adapter and forwarded out on
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on this adapter.
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*/
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typedef struct _FFPAdapterStats {
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ULONG NdisProtocolType;
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ULONG InPacketsForwarded;
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ULONG InOctetsForwarded;
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ULONG InPacketsDiscarded;
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ULONG InOctetsDiscarded;
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ULONG InPacketsIndicated;
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ULONG InOctetsIndicated;
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ULONG OutPacketsForwarded;
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ULONG OutOctetsForwarded;
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} FFPAdapterStats;
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//
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// RequestInfo for OID_FFP_GLSTATS query/reset
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// [ used to get global Fast Forwarding stats ]
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//
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/*
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PacketsForwarded refers to the number of packets
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forwarded out in the fast path,
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and
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PacketsDiscarded refers to the number of packets
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discarded on the fast path,
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and
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PacketsIndicated refers to the number of packets
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that were indicated to transport.
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*/
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typedef struct _FFPDriverStats {
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ULONG NdisProtocolType;
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ULONG PacketsForwarded;
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ULONG OctetsForwarded;
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ULONG PacketsDiscarded;
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ULONG OctetsDiscarded;
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ULONG PacketsIndicated;
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ULONG OctetsIndicated;
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} FFPDriverStats;
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#endif // _FFP_H
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