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// Copyright (c) Microsoft Corporation. All rights reserved
#pragma once
#define MAX_MULTICAST_LIST_SIZE 32
#define MAC_ADDR_LEN 6
#define MAX_RX_QUEUES 1
#define MAX_TX_QUEUES 1
#define MTU_SIZE 1500
#define NETV_NUMBER_OF_QUEUES 1
//#define NETV_SUPPORT_RSS // RSS not supported due to ENL limitations
//#define NETV_SUPPORT_TX_DEMUXING // TX Demuxing not supported due to ENL limitations
// supported filters
#define NETV_SUPPORTED_FILTERS ( \
NetPacketFilterFlagDirected | \
NetPacketFilterFlagMulticast | \
NetPacketFilterFlagBroadcast | \
NetPacketFilterFlagPromiscuous | \
NetPacketFilterFlagAllMulticast)
EVT_NET_ADAPTER_CREATE_TXQUEUE
CreateTxQueue;
EVT_NET_ADAPTER_CREATE_RXQUEUE
CreateRxQueue;
typedef enum _NETV_FLOW_CONTROL
{
NetvFlowControlDisabled = 0,
NetvFlowControlTxEnabled = 1,
NetvFlowControlRxEnabled = 2,
NetvFlowControlTxRxEnabled = 3,
} NETV_FLOW_CONTROL;
typedef NTSTATUS(EVT_PDO_WAKE_SIGNAL)(_In_ void* Context);
class NetvAdapter
{
public:
NetvAdapter(
NETADAPTER Handle,
WDFDEVICE Device
) noexcept;
// Public API
void Destroy();
NTSTATUS Initialize();
NTSTATUS CreateRxQueue(_Inout_ NETRXQUEUE_INIT* NetRxQueueInit);
NTSTATUS CreateTxQueue(_Inout_ NETTXQUEUE_INIT* NetTxQueueInit);
// Former INetvAdapter method (kept as regular method)
NTSTATUS ConfigureDataCapabilities();
// Existing public API
void SetPdoWakeSignalCallback(_In_ EVT_PDO_WAKE_SIGNAL* evtPdoWakeSignal, _In_ void* context);
void ArmWakeFromS0(void);
void DisarmWakeFromS0(void);
NETADAPTER m_handle = WDF_NO_HANDLE;
WDFDEVICE m_device = WDF_NO_HANDLE;
// configuration
NET_ADAPTER_LINK_LAYER_ADDRESS PermanentAddress;
NET_ADAPTER_LINK_LAYER_ADDRESS CurrentAddress;
ULONG MACLastByte;
BOOLEAN S0Idle;
BOOLEAN EnableUsoUro;
// Packet Filter and look ahead size.
NET_PACKET_FILTER_FLAGS PacketFilter;
bool LinkAutoNeg{false};
NETV_FLOW_CONTROL FlowControl;
ULONG MtuSize;
ULONG CurrentPacketFilter;
ULONG NumMulticastAddresses;
NET_ADAPTER_LINK_LAYER_ADDRESS MulticastAddressList[MAX_MULTICAST_LIST_SIZE];
//ENL
LIST_ENTRY AdapterListLink;
ULONG LinkCount{1};
ULONG LinkProcIndex;
ULONG EnlIndex;
ULONG EnlPortIndex;
BOOLEAN EnlIndexValid;
BOOLEAN EnlPortCreated;
BOOLEAN LinkPoll;
ULONG64 EnlTxDrops;
// Offloads
bool UsoEnabled;
bool UroEnabled;
private:
_IRQL_requires_(PASSIVE_LEVEL)
void
SetLinkState(
void
) const;
NTSTATUS NetvAdapterReadAddress();
};
extern NetvAdapter* NetvAdapterGetContextFromWDFObject(NETADAPTER netAdapter);
typedef struct _GLOBAL_CONTEXT
{
} GLOBAL_CONTEXT;
extern GLOBAL_CONTEXT NetvGlobalContext;
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