Sample Code
Windows Driver Samples/ Hyper-V Extensible Switch extension filter driver/ C++/ samples/ forward/ MsForwardExt.h/
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Module Name: MsForwardExt.h Abstract: This file contains structures and function definitions necessary for MsForwardExt. --*/ #define MSFORWARD_MAC_LENGTH 6 // // MSFORWARD_CONTEXT // The context allocated per switch. // typedef struct _MSFORWARD_CONTEXT { BOOLEAN IsActive; NDIS_SWITCH_PORT_ID ExternalPortId; NDIS_SWITCH_NIC_INDEX ExternalNicIndex; BOOLEAN ExternalNicConnected; // // This sample uses linked lists for the NICs and property // lookup. THIS IS NOT RECOMMENDED. // LIST_ENTRY NicList; LIST_ENTRY PropertyList; PNDIS_RW_LOCK_EX DispatchLock; UINT32 NumDestinations; BOOLEAN IsInitialRestart; } MSFORWARD_CONTEXT, *PMSFORWARD_CONTEXT; // // MSFORWARD_NIC_LIST_ENTRY // The context allocated per NIC. // typedef struct _MSFORWARD_NIC_LIST_ENTRY { LIST_ENTRY ListEntry; UINT8 MacAddress[MSFORWARD_MAC_LENGTH]; NDIS_SWITCH_PORT_ID PortId; NDIS_SWITCH_NIC_INDEX NicIndex; NDIS_SWITCH_NIC_TYPE NicType; BOOLEAN AllowSends; BOOLEAN Connected; } MSFORWARD_NIC_LIST_ENTRY, *PMSFORWARD_NIC_LIST_ENTRY; // // MSFORWARD_MAC_POLICY_LIST_ENTRY // The context allocated per switch policy. // typedef struct _MSFORWARD_MAC_POLICY_LIST_ENTRY { LIST_ENTRY ListEntry; UINT8 MacAddress[MSFORWARD_MAC_LENGTH]; NDIS_SWITCH_OBJECT_INSTANCE_ID PropertyInstanceId; } MSFORWARD_MAC_POLICY_LIST_ENTRY, *PMSFORWARD_MAC_POLICY_LIST_ENTRY; // // MSFORWARD_MAC_ADDRESS_POLICY // The serialization of the policy structure found // in MsForwardExtPolicy.mof // typedef struct _MSFORWARD_MAC_ADDRESS_POLICY { UINT32 MacAddressLength; UINT8 MacAddress[MSFORWARD_MAC_LENGTH]; } MSFORWARD_MAC_ADDRESS_POLICY, *PMSFORWARD_MAC_ADDRESS_POLICY; // // MSFORWARD_MAC_ADDRESS_POLICY_STATUS // The serialization of the policy status structure // found in MsForwardExtPolicyStatus.mof // typedef struct _MSFORWARD_MAC_ADDRESS_POLICY_STATUS { UINT32 PortArrayLength; UINT32 PortArrayOffset; } MSFORWARD_MAC_ADDRESS_POLICY_STATUS, *PMSFORWARD_MAC_ADDRESS_POLICY_STATUS; // // MSFORWARD_ETHERNET_HEADER // Ethernet header definition. // typedef struct _MSFORWARD_ETHERNET_HEADER { UINT8 Destination[MSFORWARD_MAC_LENGTH]; UINT8 Source[MSFORWARD_MAC_LENGTH]; UINT16 Type; } MSFORWARD_ETHERNET_HEADER, *PMSFORWARD_ETHERNET_HEADER; // // MacAddressPolicyGuid // // The GUID representing the switch policy owned // by MsForwardExt. // extern const NDIS_SWITCH_OBJECT_ID MacAddressPolicyGuid; // // MacAddressPolicyStatusGuid // // The GUID representing the switch policy status // indicated for the status of the switch policy // owned by MsForwardExt. // extern const NDIS_SWITCH_OBJECT_ID MacAddressPolicyStatusGuid; // // Switch Property Macros // #define MAC_ADDRESS_POLICY_VERSION 0x0100 #define MAC_ADDRESS_POLICY_SERIALIZATION_VERSION NDIS_SWITCH_OBJECT_SERIALIZATION_VERSION_1 // // Switch Property Status Macros // #define MAC_ADDRESS_POLICY_STATUS_VERSION 0x0100 #define MAC_ADDRESS_POLICY_STATUS_SERIALIZATION_VERSION NDIS_SWITCH_OBJECT_SERIALIZATION_VERSION_1 // // Private functions used by MsForwardExt // NDIS_STATUS MsForwardAddNicUnsafe( _In_ PMSFORWARD_CONTEXT SwitchContext, _In_reads_bytes_(6) PUCHAR MacAddress, _In_ NDIS_SWITCH_PORT_ID PortId, _In_ NDIS_SWITCH_NIC_INDEX NicIndex, _In_ NDIS_SWITCH_NIC_TYPE NicType, _In_ BOOLEAN Connected ); NDIS_STATUS MsForwardDeleteNicUnsafe( _In_ PMSFORWARD_CONTEXT SwitchContext, _In_ NDIS_SWITCH_PORT_ID PortId, _In_ NDIS_SWITCH_NIC_INDEX NicIndex ); VOID MsForwardClearNicListUnsafe( _In_ PMSFORWARD_CONTEXT SwitchContext ); PMSFORWARD_NIC_LIST_ENTRY MsForwardFindNicByPortIdUnsafe( _In_ PMSFORWARD_CONTEXT SwitchContext, _In_ NDIS_SWITCH_PORT_ID PortId, _In_ NDIS_SWITCH_NIC_INDEX NicIndex ); PMSFORWARD_NIC_LIST_ENTRY MsForwardFindNicByMacAddressUnsafe( _In_ PMSFORWARD_CONTEXT SwitchContext, _In_reads_bytes_(6) PUCHAR MacAddress ); NDIS_STATUS MsForwardAddMacPolicyUnsafe( _In_ PMSFORWARD_CONTEXT SwitchContext, _In_ PMSFORWARD_MAC_ADDRESS_POLICY MacPolicyBuffer, _In_ PNDIS_SWITCH_OBJECT_INSTANCE_ID PropertyInstanceId ); VOID MsForwardDeleteMacPolicyUnsafe( _In_ PMSFORWARD_CONTEXT SwitchContext, _In_ PNDIS_SWITCH_OBJECT_INSTANCE_ID PropertyInstanceId ); VOID MsForwardClearPropertyListUnsafe( _In_ PMSFORWARD_CONTEXT SwitchContext ); PMSFORWARD_MAC_POLICY_LIST_ENTRY MsForwardFindPolicyByMacAddressUnsafe( _In_ PMSFORWARD_CONTEXT SwitchContext, _In_reads_bytes_(6) PUCHAR MacAddress ); PMSFORWARD_MAC_POLICY_LIST_ENTRY MsForwardFindPolicyByPropertyInstanceIdUnsafe( _In_ PMSFORWARD_CONTEXT SwitchContext, _In_ PNDIS_SWITCH_OBJECT_INSTANCE_ID PropertyInstanceId ); BOOLEAN MsForwardNicHasPolicy( _In_ PMSFORWARD_CONTEXT SwitchContext, _In_reads_bytes_(6) PUCHAR MacAddress ); VOID MsForwardMakeBroadcastArrayUnsafe( _In_ PMSFORWARD_CONTEXT SwitchContext, _In_ PNDIS_SWITCH_FORWARDING_DESTINATION_ARRAY BroadcastArray, _In_ NDIS_SWITCH_PORT_ID SourcePortId, _In_ NDIS_SWITCH_NIC_INDEX SourceNicIndex ); NDIS_STATUS MsForwardInitSwitch( _In_ PSX_SWITCH_OBJECT Switch, _In_ PMSFORWARD_CONTEXT SwitchContext ); |
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