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/*++
Copyright (c) Microsoft Corporation. All Rights Reserved.
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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