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311 lines
7.0 KiB
311 lines
7.0 KiB
/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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wanarp\adapter.h
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Abstract:
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Header for adapter.c
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Revision History:
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AmritanR
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--*/
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#ifndef __WANARP_ADAPTER_H__
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#define __WANARP_ADAPTER_H__
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//
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// Reader writer locks to protect the lists of interfaces and adapters
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//
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RW_LOCK g_rwlIfLock;
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RW_LOCK g_rwlAdapterLock;
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//
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// List of interfaces. Protected by g_rwlIfLock
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//
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LIST_ENTRY g_leIfList;
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//
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// List of adapters that are bound to wanarp but not added to IP.
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// Protected by g_rwlAdapterLock. Adapters are put on this list when
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// they are created (with a state of AS_FREE) and again when on an APC they
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// are deleted from IP.
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//
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LIST_ENTRY g_leFreeAdapterList;
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ULONG g_ulNumFreeAdapters;
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//
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// List of adapters added to IP but not mapped. Protected by g_rwlAdapterLock.
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// Adapters are put on this list when they are unmapped
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// Adapters are removed from this list by the CloseAdapter callback which
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// is invoked when we delete the adapter from IP on an APC
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// Adapters on this list have a state of AS_ADDED
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//
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LIST_ENTRY g_leAddedAdapterList;
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ULONG g_ulNumAddedAdapters;
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//
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// List of adapters added to IP and mapped to an interface. Protected
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// by g_rwlAdapterLock.
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// Adapters are put on this list when they are mapped to an interface.
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// This happens for DU_CALLOUT on LinkUp in which case they can be moved
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// directly from the free list when there are no added adapters present.
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// For DU_ROUTER this can happen on LinkUp or on DemandDialRequest.
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// Since DemandDialRequest can occur at DPC, we can only map added
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// adapters in that call.
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// Adapters are removed when they are unmapped (on LinkDown or
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// ProcessConnectionFailure). An adapter on this list can not be deleted
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// Adapters on this list have a state of AS_MAPPED or AS_MAPPING
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//
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LIST_ENTRY g_leMappedAdapterList;
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ULONG g_ulNumMappedAdapters;
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ULONG g_ulNumDialOutInterfaces;
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//
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// List of adapters whose state is changing. Protected by g_rwlAdapterLock.
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//
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LIST_ENTRY g_leChangeAdapterList;
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//
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// The total number of adapters. Only changed via Interlocked operations.
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//
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ULONG g_ulNumAdapters;
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//
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// Stuff needed to maintain state. Only modified via InterlockedXxx
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//
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LONG g_lBindRcvd;
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//
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// NdisWan binding related info. All are read-only after initialization
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//
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UNICODE_STRING g_usNdiswanBindName;
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#if DBG
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ANSI_STRING g_asNdiswanDebugBindName;
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#endif
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NDIS_STRING g_nsSystemSpecific1;
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NDIS_HANDLE g_nhNdiswanBinding;
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//
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// The description string for our interfaces
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//
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#define VENDOR_DESCRIPTION_STRING "WAN (PPP/SLIP) Interface"
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#define VENDOR_DESCRIPTION_STRING_LEN (strlen(VENDOR_DESCRIPTION_STRING))
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INT
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WanIpBindAdapter(
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IN PNDIS_STATUS pnsRetStatus,
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IN NDIS_HANDLE nhBindContext,
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IN PNDIS_STRING pnsAdapterName,
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IN PVOID pvSS1,
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IN PVOID pvSS2
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);
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NDIS_STATUS
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WanpOpenNdisWan(
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PNDIS_STRING pnsAdapterName,
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PNDIS_STRING pnsSystemSpecific1
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);
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VOID
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WanNdisOpenAdapterComplete(
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NDIS_HANDLE nhHandle,
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NDIS_STATUS nsStatus,
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NDIS_STATUS nsErrorStatus
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);
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VOID
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WanpSetProtocolTypeComplete(
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NDIS_HANDLE nhHandle,
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struct _WANARP_NDIS_REQUEST_CONTEXT *pRequestContext,
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NDIS_STATUS nsStatus
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);
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VOID
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WanpSetLookaheadComplete(
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NDIS_HANDLE nhHandle,
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struct _WANARP_NDIS_REQUEST_CONTEXT *pRequestContext,
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NDIS_STATUS nsStatus
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);
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VOID
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WanpSetPacketFilterComplete(
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NDIS_HANDLE nhHandle,
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struct _WANARP_NDIS_REQUEST_CONTEXT *pRequestContext,
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NDIS_STATUS nsStatus
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);
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VOID
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WanpLastOidComplete(
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NDIS_HANDLE nhHandle,
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struct _WANARP_NDIS_REQUEST_CONTEXT *pRequestContext,
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NDIS_STATUS nsStatus
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);
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NTSTATUS
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WanpInitializeAdapters(
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PVOID pvContext
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);
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NTSTATUS
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WanpCreateAdapter(
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IN GUID *pAdapterGuid,
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IN PUNICODE_STRING pusConfigName,
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IN PUNICODE_STRING pusDeviceName,
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OUT ADAPTER **ppNewAdapter
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);
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PADAPTER
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WanpFindAdapterToMap(
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IN DIAL_USAGE duUsage,
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OUT PKIRQL pkiIrql,
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IN DWORD dwAdapterIndex, OPTIONAL
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IN PUNICODE_STRING pusNewIfName OPTIONAL
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);
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NTSTATUS
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WanpAddAdapterToIp(
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IN PADAPTER pAdapter,
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IN BOOLEAN bServerAdapter,
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IN DWORD dwAdapterIndex, OPTIONAL
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IN PUNICODE_STRING pusNewIfName, OPTIONAL
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IN DWORD dwMediaType,
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IN BYTE byAccessType,
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IN BYTE byConnectionType
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);
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VOID
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WanpUnmapAdapter(
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PADAPTER pAdapter
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);
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VOID
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WanIpOpenAdapter(
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IN PVOID pvContext
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);
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VOID
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WanIpCloseAdapter(
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IN PVOID pvContext
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);
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VOID
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WanNdisCloseAdapterComplete(
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NDIS_HANDLE nhBindHandle,
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NDIS_STATUS nsStatus
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);
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VOID
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WanpFreeBindResourcesAndReleaseLock(
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VOID
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);
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INT
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WanIpDynamicRegister(
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IN PNDIS_STRING InterfaceName,
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IN PVOID pvIpInterfaceContext,
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IN struct _IP_HANDLERS * IpHandlers,
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IN struct LLIPBindInfo * ARPBindInfo,
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IN UINT uiInterfaceNumber
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);
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NDIS_STATUS
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WanpDoNdisRequest(
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IN NDIS_REQUEST_TYPE RequestType,
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IN NDIS_OID Oid,
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IN PVOID pvInfo,
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IN UINT uiInBufferLen,
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IN PWANARP_NDIS_REQUEST_CONTEXT pRequestContext,
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IN PFNWANARP_REQUEST_COMPLETION_HANDLER pfnCompletionHandler OPTIONAL
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);
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VOID
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WanNdisRequestComplete(
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IN NDIS_HANDLE nhHandle,
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IN PNDIS_REQUEST pRequest,
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IN NDIS_STATUS nsStatus
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);
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PUMODE_INTERFACE
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WanpFindInterfaceGivenIndex(
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DWORD dwIfIndex
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);
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VOID
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WanpRemoveSomeAddedAdaptersFromIp(
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PVOID pvContext
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);
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VOID
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WanpRemoveAllAdaptersFromIp(
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VOID
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);
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VOID
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WanpRemoveAllAdapters(
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VOID
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);
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VOID
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WanpDeleteAdapter(
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IN PADAPTER pAdapter
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);
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NDIS_STATUS
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WanNdisPnPEvent(
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NDIS_HANDLE nhProtocolBindingContext,
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PNET_PNP_EVENT pNetPnPEvent
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);
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VOID
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WanNdisResetComplete(
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NDIS_HANDLE nhHandle,
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NDIS_STATUS nsStatus
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);
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VOID
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WanNdisBindAdapter(
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PNDIS_STATUS pnsRetStatus,
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NDIS_HANDLE nhBindContext,
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PNDIS_STRING nsAdapterName,
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PVOID pvSystemSpecific1,
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PVOID pvSystemSpecific2
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);
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VOID
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WanNdisUnbindAdapter(
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PNDIS_STATUS pnsRetStatus,
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NDIS_HANDLE nhProtocolContext,
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NDIS_HANDLE nhUnbindContext
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);
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VOID
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WanpCloseNdisWan(
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PVOID pvContext
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);
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#endif // __WANARP_ADAPTER_H__
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