Wificx Sample Driver with Data Path

network/netadaptercx/netvadapterlibrary/Interface/netvadapter.h

@@ -0,0 +1,118 @@
+// 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;