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//
// Copyright (C) Microsoft. All rights reserved.
//
////////////////////////////////////////////////////////////////////////////////
//
// DEFINES
//
////////////////////////////////////////////////////////////////////////////////
#pragma once
#define MBB_DEFAULT_SESSION_ID 0
typedef struct _DSS_PACKET
{
WDFMEMORY Data;
PMDL Mdl;
} DSS_PACKET, *PDSS_PACKET;
typedef struct _MBB_PORT MBB_PORT, *PMBB_PORT;
typedef struct _MINIPORT_DRIVER_CONTEXT
{
WDFDRIVER hDriver;
} MINIPORT_DRIVER_CONTEXT, *PMINIPORT_DRIVER_CONTEXT;
typedef struct _MBB_RECEIVE_QUEUE
{
//
// Queue State
//
BOOLEAN LookasideList;
NDIS_SPIN_LOCK Lock;
KEVENT QueueEmptyEvent;
//
// Track Receives
//
LIST_ENTRY ReceivedQueue;
//
// Resources
//
NDIS_HANDLE NblPool;
NPAGED_LOOKASIDE_LIST ReceiveLookasideList;
} MBB_RECEIVE_QUEUE, *PMBB_RECEIVE_QUEUE;
typedef struct _MBB_NDIS_RECEIVE_CONTEXT
{
//
// Resources
//
PMDL Mdl;
PUCHAR ReceiveNtbBuffer;
WDFLOOKASIDE ReceiveLookasideList;
PMBB_RECEIVE_QUEUE RecvQueue;
MBB_BUS_HANDLE BusHandle;
MBB_RECEIVE_CONTEXT BusContext;
PWMBCLASS_DEVICE_CONTEXT WmbDeviceContext;
//
// Parse state
//
ULONG NtbSequence;
WDFMEMORY ReceiveLookasideBufferMemory;
LONG TotalNdpCount;
LONG CompletedNdpCount;
} MBB_NDIS_RECEIVE_CONTEXT, *PMBB_NDIS_RECEIVE_CONTEXT;
typedef struct _MBB_RECEIVE_NDP_CONTEXT
{
LIST_ENTRY ReceiveNdpNode;
PMBB_NDIS_RECEIVE_CONTEXT ReceiveContext;
WDFMEMORY ReceiveNdpLookasideBufferMemory;
PVOID Nth;
PVOID Ndp;
ULONG CurrentDatagramIndex;
ULONG IndicatedPackets;
PWMBCLASS_NETADAPTER_CONTEXT NetAdapterContext;
} MBB_RECEIVE_NDP_CONTEXT, *PMBB_RECEIVE_NDP_CONTEXT;
extern MINIPORT_DRIVER_CONTEXT GlobalControl;
typedef enum
{
MbbNdpTypeNoCrc = 0,
MbbNdpTypeCrc,
MbbNdpTypeIps,
MbbNdpTypeVendor_1, // Vendor with session id X (need not be 1)
MbbNdpTypeVendor_2, // Vendor with session id Y (need not be X + 1)
MbbNdpTypeVendor_3,
MbbNdpTypeVendor_Max, // Max 4 vendor sessions in one NTB
MbbNdpTypeMax
} MBB_NDP_TYPE;
typedef struct _MBB_PACKET_CONTEXT
{
PMDL DataStartMdl;
PMDL DataEndMdl;
PMDL PaddingMdl;
PMDL ModifiedMdl;
MDL OriginalMdl;
} MBB_PACKET_CONTEXT, *PMBB_PACKET_CONTEXT;
typedef struct _MBB_NDP_HEADER_ENTRY
{
MBB_NDP_TYPE NdpType;
ULONG SessionId;
ULONG DatagramOffset;
ULONG DatagramLength;
ULONG NextEntryIndex;
PNET_BUFFER NetBuffer;
PNET_BUFFER_LIST NetBufferList;
union
{
NET_PACKET* NetPacket;
PDSS_PACKET DssPacket;
};
MBB_PACKET_CONTEXT NetPacketContext;
} MBB_NDP_HEADER_ENTRY, *PMBB_NDP_HEADER_ENTRY;
typedef struct _MBB_NTB_BUILD_CONTEXT
{
LIST_ENTRY NtbQLink;
//
// Read-only values
//
BOOLEAN IsNtb32Bit;
ULONG NtbHeaderSize;
ULONG NdpHeaderFixedSize;
ULONG NdpDatagramEntrySize;
ULONG NtbOutMaxSize;
USHORT NtbOutMaxDatagrams;
USHORT NdpOutDivisor;
USHORT NdpOutPayloadRemainder;
USHORT NdpOutAlignment;
PVOID PaddingBuffer;
WDFLOOKASIDE NtbLookasideList;
//
// Network Transfer Header(NTH)
//
union
{
NCM_NTH16 Nth16;
NCM_NTH32 Nth32;
};
PMDL NthMdl;
//
// NDP Header
//
PMDL NdpMdl;
ULONG NdpSize;
PVOID NdpBuffer;
//
// NDP Datagrams
//
ULONG DatagramCount;
ULONG DatagramLength;
PMDL DatagramLastMdl;
WDFMEMORY NtbLookasideBufferMemory;
WDFMEMORY NdpBufferMemory;
NETPACKETQUEUE NetTxQueue;
NETADAPTER NetAdapter;
NET_RING_COLLECTION const* NetDatapathDescriptor;
#if DBG
//
// Testing
//
PCHAR ScratchBuffer;
ULONG ScratchLength;
#endif
//
// NDP Headers. Varialble length array is limited
// to NdpMaxDatagrams. NdpFirstDatagramEntry of -1
// is invalid.
//
ULONG NdpFirstDatagramEntry[MbbNdpTypeMax];
MBB_NDP_HEADER_ENTRY NdpDatagramEntries[ANYSIZE_ARRAY];
} MBB_NTB_BUILD_CONTEXT, *PMBB_NTB_BUILD_CONTEXT;
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