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ndisif.c
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// KIP (NT-kernel TCP/IP implementation library)
//
// module: ndisif.c
// $Revision: 81 $
// $Date: 2012-01-18 19:58:07 +0400 (Ср, 18 янв 2012) $
// description:
// ndis interface functions
#include "project.h"
#include "ndisif.h"
#include "ndishook.h"
#include "protocol.h"
//disable warning about deprecated functions
#pragma warning(disable : 4996)
#define MODULE_TAG 'FINK'
//list of loaded drivers
static LIST_ENTRY g_MiniportList;
static LIST_ENTRY g_AdapterList;
static NDIS_SPIN_LOCK g_NdisGlobalLock;
static LONG g_RequestID = 0; // request id for NdisOidRequest
#define NPROT_GET_NEXT_CANCEL_ID() (PVOID)InterlockedIncrement(&g_RequestID)
PNDIS_ALLOCATE_NET_BUFFER_LIST NdisAllocateNetBufferListPtr = NULL;
PNDIS_ALLOCATE_NET_BUFFER_LIST_POOL NdisAllocateNetBufferListPoolPtr = NULL;
PNDIS_FREE_NET_BUFFER_LIST NdisFreeNetBufferListPtr = NULL;
PNDIS_FREE_NET_BUFFER_LIST_POOL NdisFreeNetBufferListPoolPtr = NULL;
PNDIS_M_INDICATE_RECEIVE_NET_BUFFER_LISTS NdisMIndicateReceiveNetBufferListsPtr = NULL;
NTSTATUS
NDIS_InitializeInterface(
VOID
);
#ifdef ALLOC_PRAGMA
#pragma alloc_text (INIT, NDIS_InitializeInterface)
#endif
//***********************************************************************************
// Name: NDIS_InitializeInterface
//
// Routine Description:
// Initializes NDIS interface support
//
// Return Value:
// None.
//
// Parameters:
// None.
//***********************************************************************************
NTSTATUS
NDIS_InitializeInterface(
VOID
)
{
NTSTATUS nStatus;
// initialize ndis interface
InitializeListHead ( &g_MiniportList );
InitializeListHead ( &g_AdapterList );
NdisAllocateSpinLock ( &g_NdisGlobalLock );
OsGetVersion();
// load ndis6 functions
//if ( OsGetMajorVersion() >= 6 ){
// PVOID NdisBase = GetModuleBase ( "ndis.sys" );
// if ( NdisBase ){
// NdisAllocateNetBufferListPtr = (PNDIS_ALLOCATE_NET_BUFFER_LIST)BkGetFunctionAddress(NdisBase, "NdisAllocateNetBufferList");
// NdisAllocateNetBufferListPoolPtr = (PNDIS_ALLOCATE_NET_BUFFER_LIST_POOL)BkGetFunctionAddress(NdisBase, "NdisAllocateNetBufferListPool");
// NdisFreeNetBufferListPtr = (PNDIS_FREE_NET_BUFFER_LIST)BkGetFunctionAddress(NdisBase, "NdisFreeNetBufferList");
// NdisFreeNetBufferListPoolPtr = (PNDIS_FREE_NET_BUFFER_LIST_POOL)BkGetFunctionAddress(NdisBase, "NdisFreeNetBufferListPool");
// NdisMIndicateReceiveNetBufferListsPtr = (PNDIS_M_INDICATE_RECEIVE_NET_BUFFER_LISTS)BkGetFunctionAddress(NdisBase, "NdisMIndicateReceiveNetBufferLists");
// }
//}
nStatus = ProtocolInitializeSubsystem();
if ( nStatus != STATUS_SUCCESS ){
DBGLOG(( LCriticalError, "%08X = ProtocolInitializeSubsystem failed\n", nStatus));
NdisFreeSpinLock ( &g_NdisGlobalLock );
return nStatus;
}
return nStatus;
}
VOID
NDIS_ReleaseInterface(
VOID
)
{
ProtocolReleaseSubsystem();
NdisFreeSpinLock ( &g_NdisGlobalLock );
}
//////////////////////////////////////////////////////////////////////////
// NIC MINIPORT LIST MANAGMENT FUNCTIONS
//***********************************************************************************
// Name: NDIS_AllocateAdapter
//
// Routine Description:
// Allocates and initializes new adapter entry.
//
// Return Value:
// Pointer to adapter structure
//
// Parameters:
// None.
//***********************************************************************************
PKIP_NDIS_ADAPTER NDIS_AllocateAdapter ( IN PKIP_NDIS_MINIPORT pMiniport )
{
PKIP_NDIS_ADAPTER pAdapter = NULL;
NDIS_STATUS nStatus;
NDIS_PHYSICAL_ADDRESS noMaxAddr = NDIS_PHYSICAL_ADDRESS_CONST(-1,-1);
// Allocate new ADAPTER_ENTRY from non-paged memory
pAdapter =
( PKIP_NDIS_ADAPTER )
ExAllocatePoolWithTag(
NonPagedPool,
sizeof ( KIP_NDIS_ADAPTER ),
MODULE_TAG
);
if ( pAdapter == NULL ){
DBGLOG(( LCriticalError, "ExAllocatePoolWithTag(%lu) failed\n", sizeof ( KIP_NDIS_ADAPTER ) ));
return NULL;
}
NdisZeroMemory (pAdapter, sizeof ( KIP_NDIS_ADAPTER ));
NdisAllocateSpinLock( &pAdapter->Interface.Lock );
pAdapter->Interface.Miniport = pMiniport;
pAdapter->Interface.Type = IF_TYPE_NIC;
pAdapter->Interface.MTU = MAX_802_3_LENGTH;
pAdapter->Interface.Speed = 0;
pAdapter->Interface.HWAddressLength = ETHARP_HWADDR_LEN;
pAdapter->Interface.Protocol.pInterface = (PKIP_NDIS_INTERFACE)pAdapter;
NdisInitializeListHead( &pAdapter->RasLinkList );
// initially set to disconnected state
KIP_MINIPORT_CLEAR_FLAG(pAdapter, fADAPTER_MEDIA_CONNECTED);
// set initial power state to D0
pAdapter->MPDeviceState = NdisDeviceStateD0;
pAdapter->MaxFrameSize = MAX_ETHER_SIZE;
pAdapter->MinFrameSize = MIN_ETHER_SIZE;
pAdapter->MaxSendPackets = 1;
// ndis requests
if ( pMiniport->MajorNdisVersion >= 6 ){
//NdisInitializeEvent( &pAdapter->SetInformationRequest.Event );
}else{
NdisInitializeEvent( &pAdapter->Interface.SetInformationRequest.Event );
NdisInitializeEvent( &pAdapter->Interface.QueryInformationRequest.Event );
}
// put it to global list
//save adapter in global list
NdisAcquireSpinLock ( &g_NdisGlobalLock );
InsertHeadList( &pMiniport->AdapterList, &pAdapter->MiniportLink );
InsertHeadList( &g_AdapterList, &pAdapter->Interface.Link );
NdisReleaseSpinLock ( &g_NdisGlobalLock );
return pAdapter;
}
//***********************************************************************************
// Name: NDIS_FreeAdapter
//
// Routine Description:
// This routine deallocates KIP_NDIS_ADAPTER structure
//
// Return Value: None
//
// Parameters:
// pMiniport - pointer to allocated KIP_NDIS_ADAPTER structure
//
// NOTE: None
//***********************************************************************************
VOID NDIS_FreeAdapter ( IN PKIP_NDIS_ADAPTER pAdapter )
{
if ( pAdapter ){
// remove it from global lists
NdisAcquireSpinLock ( &g_NdisGlobalLock );
RemoveEntryList( &pAdapter->MiniportLink );
RemoveEntryList( &pAdapter->Interface.Link );
NdisReleaseSpinLock ( &g_NdisGlobalLock );
// Free adapter entry structure
ExFreePoolWithTag( pAdapter, MODULE_TAG );
}
}
//***********************************************************************************
// Name: NDIS_FindAdapterByHandle
//
// Description:
// Routine finds adapter by adapter handle
//
// Return value:
// pointer to adapter if found, NULL otherwise
//
// Parameters:
// MiniportHandle - adapter handle
//
// NOTE: None
// **********************************************************************************
PKIP_NDIS_ADAPTER
NDIS_FindAdapterByHandle (
IN NDIS_HANDLE MiniportHandle
)
{
PLIST_ENTRY ListEntry;
PKIP_NDIS_ADAPTER pAdapter;
NdisAcquireSpinLock( &g_NdisGlobalLock );
// Walk the list of adapters
for ( ListEntry = g_AdapterList.Flink; ListEntry != &g_AdapterList; ListEntry = ListEntry->Flink )
{
pAdapter = CONTAINING_RECORD ( ListEntry, KIP_NDIS_ADAPTER, Interface.Link );
if ( pAdapter->NdisMiniportHandle == MiniportHandle ){
// If adapter found return it
break;
}
pAdapter = NULL;
}
NdisReleaseSpinLock( &g_NdisGlobalLock );
return pAdapter;
}
//***********************************************************************************
// Name: NDIS_FindAdapterByAdapterContext
//
// Description:
// Routine finds adapter by adapter context
//
// Return value:
// pointer to adapter if found, NULL otherwise
//
// Parameters:
// MiniportHandle - adapter handle
//
// NOTE: None
// **********************************************************************************
PKIP_NDIS_ADAPTER
NDIS_FindAdapterByAdapterContext (
IN NDIS_HANDLE MiniportAdapterContext
)
{
PLIST_ENTRY ListEntry;
PKIP_NDIS_ADAPTER pAdapter;
NdisAcquireSpinLock( &g_NdisGlobalLock );
// Walk the list of adapters
for ( ListEntry = g_AdapterList.Flink; ListEntry != &g_AdapterList; ListEntry = ListEntry->Flink )
{
pAdapter = CONTAINING_RECORD ( ListEntry, KIP_NDIS_ADAPTER, Interface.Link );
if ( pAdapter->NdisMiniportAdapterContext == MiniportAdapterContext ){
// If adapter found return it
break;
}
pAdapter = NULL;
}
NdisReleaseSpinLock( &g_NdisGlobalLock );
return pAdapter;
}
//***********************************************************************************
// Name: NDIS_FindAdapterByPhysicalDevice
//
// Description:
// Routine finds adapter by physical device
//
// Return value:
// pointer to adapter if found, NULL otherwise
//
// Parameters:
// MiniportHandle - adapter handle
//
// NOTE: None
// **********************************************************************************
PKIP_NDIS_ADAPTER
NDIS_FindAdapterByDeviceObject (
IN PKIP_NDIS_MINIPORT pMiniport,
IN PDEVICE_OBJECT DeviceObject
)
{
PLIST_ENTRY ListEntry;
PKIP_NDIS_ADAPTER pAdapter = NULL;
NdisAcquireSpinLock( &g_NdisGlobalLock );
// Walk the list of adapters
for ( ListEntry = pMiniport->AdapterList.Flink; ListEntry != &pMiniport->AdapterList; ListEntry = ListEntry->Flink )
{
PDEVICE_OBJECT Devobj = NULL;
pAdapter = CONTAINING_RECORD ( ListEntry, KIP_NDIS_ADAPTER, MiniportLink );
Devobj = NDIS_GetMiniportDeviceObject( pAdapter->NdisMiniportHandle );
if ( Devobj && DeviceObject == Devobj ){
// If adapter found return it
break;
}
pAdapter = NULL;
}
NdisReleaseSpinLock( &g_NdisGlobalLock );
return pAdapter;
}
//***********************************************************************************
// Name: NDIS_AllocateRasLink
//
// Routine Description:
// Allocates and initializes new WAN link entry.
//
// Return Value:
// Pointer to ras link structure
//
// Parameters:
// None.
//***********************************************************************************
PKIP_RAS_LINK
NDIS_AllocateRasLink (
IN PKIP_NDIS_ADAPTER pAdapter,
IN PNDIS_WAN_LINE_UP pWanLineUp
)
{
PKIP_RAS_LINK pRasLink = NULL;
NDIS_STATUS nStatus;
NDIS_PHYSICAL_ADDRESS noMaxAddr = NDIS_PHYSICAL_ADDRESS_CONST(-1,-1);
// Allocate new ADAPTER_ENTRY from non-paged memory
nStatus =
NdisAllocateMemory (
&pRasLink,
sizeof ( KIP_RAS_LINK ),
0,
noMaxAddr
);
if ( nStatus != NDIS_STATUS_SUCCESS || !pRasLink ){
DBGLOG(( LCriticalError, "%08X = NdisAllocateMemory(%lu) failed\n", nStatus, sizeof ( KIP_RAS_LINK ) ));
return NULL;
}
NdisZeroMemory (pRasLink, sizeof ( KIP_RAS_LINK ));
NdisAllocateSpinLock( &pRasLink->Interface.Lock );
pRasLink->Interface.Miniport = pAdapter->Interface.Miniport;
pRasLink->Interface.Type = IF_TYPE_WAN;
pRasLink->Interface.MediaType = NdisMedium802_3;
pRasLink->Interface.MTU = (USHORT)pWanLineUp->MaximumTotalSize;
pRasLink->Interface.Speed = pWanLineUp->LinkSpeed;
pRasLink->Interface.HWAddressLength = ETHARP_HWADDR_LEN;
pRasLink->Interface.Protocol.pInterface = (PKIP_NDIS_INTERFACE)pRasLink;
NdisMoveMemory(pRasLink->Interface.CurrentMacAddress, pWanLineUp->LocalAddress, ETHARP_HWADDR_LEN);
pRasLink->pAdapter = pAdapter;
NdisMoveMemory(pRasLink->RemoteAddress, pWanLineUp->RemoteAddress, ETHARP_HWADDR_LEN);
pRasLink->ProtocolBufferLength = pWanLineUp->ProtocolBufferLength;
if (pWanLineUp->ProtocolBufferLength > RAS_LINK_BUFFER_LENGTH){
NdisMoveMemory(pRasLink->ProtocolBuffer, pWanLineUp->ProtocolBuffer, RAS_LINK_BUFFER_LENGTH);
}else{
NdisMoveMemory(pRasLink->ProtocolBuffer, pWanLineUp->ProtocolBuffer, pWanLineUp->ProtocolBufferLength);
}
pRasLink->NdisLinkHandle = (NDIS_HANDLE)InterlockedIncrement(&pAdapter->RasCount);
//link it to adapter
KIP_LOCK_ADAPTER ( pAdapter );
InsertHeadList(&pAdapter->RasLinkList,&pRasLink->Interface.Link);
KIP_UNLOCK_ADAPTER ( pAdapter );
return pRasLink;
}
//***********************************************************************************
// Name: NDIS_FreeRasLink
//
// Routine Description:
// This routine deallocates KIP_RAS_LINK structure
//
// Return Value: None
//
// Parameters:
// pAdapter - pointer to allocated KIP_NDIS_ADAPTER structure
//
// NOTE: None
//***********************************************************************************
VOID NDIS_FreeRasLink ( IN PKIP_NDIS_ADAPTER pAdapter, IN PKIP_RAS_LINK pLink )
{
// remove link from list
KIP_LOCK_ADAPTER ( pAdapter );
RemoveEntryList( &pLink->Interface.Link );
KIP_UNLOCK_ADAPTER ( pAdapter );
// Free link structure
NdisFreeMemory ( pLink, sizeof (KIP_RAS_LINK), 0 );
}
//***********************************************************************************
// Name: NDIS_FindRasLinkByHandle
//
// Routine Description:
// Finds ras link object by ndis ras link handle
//
// Return Value: None
//
// Parameters:
// pAdapter - pointer to allocated KIP_NDIS_ADAPTER structure
// LinkHandle - link handle
//
// NOTE: None
//***********************************************************************************
PKIP_RAS_LINK
NDIS_FindRasLinkByHandle (
IN PKIP_NDIS_ADAPTER pAdapter,
IN NDIS_HANDLE LinkHandle
)
{
PLIST_ENTRY ListEntry;
PKIP_RAS_LINK pLink = NULL;
KIP_LOCK_ADAPTER( pAdapter );
// Walk the list of adapters
for ( ListEntry = pAdapter->RasLinkList.Flink;
ListEntry != &pAdapter->RasLinkList;
ListEntry = ListEntry->Flink )
{
pLink = CONTAINING_RECORD ( ListEntry, KIP_RAS_LINK, Interface.Link );
if ( pLink->NdisLinkHandle == LinkHandle ){
// If adapter found return it
break;
}
pLink = NULL;
}
KIP_UNLOCK_ADAPTER( pAdapter );
return pLink;
}
//***********************************************************************************
// Name: NDIS_FindRasLinkByMac
//
// Routine Description:
// Finds ras link object by local mc address
//
// Return Value: None
//
// Parameters:
// pAdapter - pointer to allocated KIP_NDIS_ADAPTER structure
// MacAddr - local mac
//
// NOTE: None
//***********************************************************************************
PKIP_RAS_LINK
NDIS_FindRasLinkByMac (
IN PKIP_NDIS_ADAPTER pAdapter,
IN char *MacAddr
)
{
PLIST_ENTRY ListEntry;
PKIP_RAS_LINK pLink = NULL;
KIP_LOCK_ADAPTER( pAdapter );
// Walk the list of adapters
for ( ListEntry = pAdapter->RasLinkList.Flink;
ListEntry != &pAdapter->RasLinkList;
ListEntry = ListEntry->Flink )
{
pLink = CONTAINING_RECORD ( ListEntry, KIP_RAS_LINK, Interface.Link );
if ( (RtlCompareMemory(&pLink->Interface.CurrentMacAddress[2], MacAddr+2, 4) == 4) ){
break;
}
pLink = NULL;
}
KIP_UNLOCK_ADAPTER( pAdapter );
return pLink;
}
//***********************************************************************************
// Name: NDIS_AllocateMiniport
//
// Routine Description:
// Allocates and initializes new adapter entry.
//
// Return Value:
// Pointer to adapter structure
//
// Parameters:
// None.
//***********************************************************************************
PKIP_NDIS_MINIPORT NDIS_AllocateMiniport ( VOID )
{
PKIP_NDIS_MINIPORT pMiniport;
NDIS_STATUS nStatus;
NDIS_PHYSICAL_ADDRESS noMaxAddr = NDIS_PHYSICAL_ADDRESS_CONST(-1,-1);
pMiniport =
( PKIP_NDIS_MINIPORT )
ExAllocatePoolWithTag(
NonPagedPool,
sizeof ( KIP_NDIS_MINIPORT ),
MODULE_TAG
);
if ( pMiniport == NULL ){
DBGLOG(( LCriticalError, "ExAllocatePoolWithTag(%lu) failed\n", sizeof ( KIP_NDIS_MINIPORT ) ));
return NULL;
}
NdisZeroMemory (pMiniport, sizeof ( KIP_NDIS_MINIPORT ));
InitializeListHead(&pMiniport->Link);
NdisAllocateSpinLock( &pMiniport->Lock);
InitializeListHead(&pMiniport->AdapterList);
// put it in global list
NdisAcquireSpinLock ( &g_NdisGlobalLock );
InsertHeadList( &g_MiniportList, &pMiniport->Link );
NdisReleaseSpinLock ( &g_NdisGlobalLock );
return pMiniport;
}
//***********************************************************************************
// Name: NDIS_FreeMiniport
//
// Routine Description:
// This routine deallocates PKIP_NDIS_MINIPORT structure
//
// Return Value: None
//
// Parameters:
// pMiniport - pointer to allocated KIP_NDIS_ADAPTER structure
//
// NOTE: None
//***********************************************************************************
VOID NDIS_FreeMiniport ( PKIP_NDIS_MINIPORT pMiniport )
{
// put it in global list
NdisAcquireSpinLock ( &g_NdisGlobalLock );
while ( !IsListEmpty( &pMiniport->AdapterList ) )
{
PLIST_ENTRY ListEntry = RemoveHeadList( &pMiniport->AdapterList );
PKIP_NDIS_ADAPTER pAdapter = CONTAINING_RECORD( ListEntry, KIP_NDIS_ADAPTER, MiniportLink );
// TODO: put asserts here
//remove from global list
RemoveEntryList( &pAdapter->Interface.Link );
// Free adapter entry structure
ExFreePoolWithTag( pAdapter, MODULE_TAG );
}
NdisReleaseSpinLock ( &g_NdisGlobalLock );
// Free driver entry structure
ExFreePoolWithTag( pMiniport, MODULE_TAG );
}
//***********************************************************************************
// Name: NDIS_FindMiniportByWrapperHandle
//
// Description:
// Routine finds adapter by ndis5 wrapper handle
//
// Return value:
// pointer to adapter if found, NULL otherwise
//
// Parameters:
// MiniportHandle - adapter handle
//
// NOTE: None
// **********************************************************************************
PKIP_NDIS_MINIPORT
NDIS_FindMiniportByWrapperHandle (
IN NDIS_HANDLE NdisWrapperHandle
)
{
PLIST_ENTRY ListEntry;
PKIP_NDIS_MINIPORT pMiniport;
NdisAcquireSpinLock( &g_NdisGlobalLock );
// Walk the list of adapters
for ( ListEntry = g_MiniportList.Flink; ListEntry != &g_MiniportList; ListEntry = ListEntry->Flink )
{
pMiniport = CONTAINING_RECORD ( ListEntry, KIP_NDIS_MINIPORT, Link );
if ( pMiniport->MajorNdisVersion <= 5 && pMiniport->Ndis5.NdisWrapperHandle == NdisWrapperHandle ){
// If adapter found return it
break;
}
pMiniport = NULL;
}
NdisReleaseSpinLock( &g_NdisGlobalLock );
return pMiniport;
}
//***********************************************************************************
// Name: NDIS_FindMiniportByDriverHandle
//
// Description:
// Routine finds adapter by ndis6 driver handle
//
// Return value:
// pointer to adapter if found, NULL otherwise
//
// Parameters:
// MiniportHandle - adapter handle
//
// NOTE: None
// **********************************************************************************
PKIP_NDIS_MINIPORT
NDIS_FindMiniportByDriverHandle (
IN NDIS_HANDLE NdisDriverHandle
)
{
PLIST_ENTRY ListEntry;
PKIP_NDIS_MINIPORT pMiniport;
NdisAcquireSpinLock( &g_NdisGlobalLock );
// Walk the list of adapters
for ( ListEntry = g_MiniportList.Flink; ListEntry != &g_MiniportList; ListEntry = ListEntry->Flink )
{
pMiniport = CONTAINING_RECORD ( ListEntry, KIP_NDIS_MINIPORT, Link );
if ( pMiniport->MajorNdisVersion >= 6 && pMiniport->Ndis6.NdisMiniportDriverHandle == NdisDriverHandle){
// If adapter found return it
break;
}
pMiniport = NULL;
}
NdisReleaseSpinLock( &g_NdisGlobalLock );
return pMiniport;
}
//***********************************************************************************
// Name: NDIS_FindMiniportByMiniportDriverContext
//
// Description:
// Routine finds adapter by ndis6 driver context
//
// Return value:
// pointer to adapter if found, NULL otherwise
//
// Parameters:
// MiniportHandle - adapter handle
//
// NOTE: None
// **********************************************************************************
PKIP_NDIS_MINIPORT
NDIS_FindMiniportByMiniportDriverContext (
IN NDIS_HANDLE MiniportAdapterContext
)
{
PLIST_ENTRY ListEntry;
PKIP_NDIS_MINIPORT pMiniport;
NdisAcquireSpinLock( &g_NdisGlobalLock );
// Walk the list of adapters
for ( ListEntry = g_MiniportList.Flink; ListEntry != &g_MiniportList; ListEntry = ListEntry->Flink )
{
pMiniport = CONTAINING_RECORD ( ListEntry, KIP_NDIS_MINIPORT, Link );
if ( pMiniport->Ndis6.NdisMiniportAdapterContext == MiniportAdapterContext ){
// If adapter found return it
break;
}
pMiniport = NULL;
}
NdisReleaseSpinLock( &g_NdisGlobalLock );
return pMiniport;
}
//***********************************************************************************
// Name: NDIS_FindMiniportByDriverObject
//
// Description:
// Routine finds adapter by miniport driver object
//
// Return value:
// pointer to adapter if found, NULL otherwise
//
// Parameters:
// MiniportHandle - adapter handle
//
// NOTE: None
// **********************************************************************************
PKIP_NDIS_MINIPORT
NDIS_FindMiniportByDriverObject (
IN PDRIVER_OBJECT DriverObject
)
{
PLIST_ENTRY ListEntry;
PKIP_NDIS_MINIPORT pMiniport;
NdisAcquireSpinLock( &g_NdisGlobalLock );
// Walk the list of adapters
for ( ListEntry = g_MiniportList.Flink; ListEntry != &g_MiniportList; ListEntry = ListEntry->Flink )
{
pMiniport = CONTAINING_RECORD ( ListEntry, KIP_NDIS_MINIPORT, Link );
if ( pMiniport->DriverObject == DriverObject ){
// If adapter found return it
break;
}
pMiniport = NULL;
}
NdisReleaseSpinLock( &g_NdisGlobalLock );
return pMiniport;
}
//////////////////////////////////////////////////////////////////////////
// NDIS INTERFACE FUNCTIONS
//***********************************************************************************
// Name: NDIS_MQueryInformation
//
// Description:
// returns information for adapter
// Return value:
// NDIS_STATUS_SUCCESS
// MiniportQueryInformation returned the requested information at InformationBuffer
// and set the variable at BytesWritten to the amount of information it returned.
// NDIS_STATUS_PENDING
// The driver will complete the request asynchronously with a call to
// NdisMQueryInformationComplete when it has gathered the requested information.
//
// Parameters:
//
// NOTE: None
// **********************************************************************************
NDIS_STATUS
NDIS_MQueryInformation(
IN PKIP_NDIS_ADAPTER pAdapter,
IN NDIS_OID Oid,
IN PVOID InformationBuffer,
IN ULONG InformationBufferLength,
OUT PULONG BytesWritten,
OUT PULONG BytesNeeded
)
{
PKIP_NDIS_MINIPORT pMiniport = pAdapter->Interface.Miniport;
NDISPROT_REQUEST OidRequest = { 0 };
NDIS_STATUS Status;
UINT Count;
BOOLEAN CoNdisRequest = FALSE;
//
// If the miniport is being reset, then wait for the reset to complete before going any further.
// Make sure we do not wait indefinitely either
//
for (Count = 0; Count < 5000; Count ++)
{
if (!KIP_MINIPORT_TEST_FLAG(pAdapter, (fADAPTER_RESET_IN_PROGRESS | fADAPTER_RESET_REQUESTED)))
{
break;
}
NdisMSleep(1000); // 1 msec
}
if ( Count == 5000 )
{
return(NDIS_STATUS_RESET_IN_PROGRESS);
}
if ( pMiniport->MajorNdisVersion >= 6 ){
OidRequest.OidRequest.Header.Type = NDIS_OBJECT_TYPE_OID_REQUEST;
OidRequest.OidRequest.Header.Revision = NDIS_OID_REQUEST_REVISION_1;
OidRequest.OidRequest.Header.Size = sizeof(NDIS_OID_REQUEST);
OidRequest.OidRequest.RequestType = NdisRequestQueryInformation;
OidRequest.OidRequest.PortNumber = 0;
OidRequest.OidRequest.RequestId = NPROT_GET_NEXT_CANCEL_ID();
OidRequest.OidRequest.DATA.QUERY_INFORMATION.Oid = Oid;
OidRequest.OidRequest.DATA.QUERY_INFORMATION.InformationBuffer = InformationBuffer;
OidRequest.OidRequest.DATA.QUERY_INFORMATION.InformationBufferLength = InformationBufferLength;
NdisInitializeEvent( &OidRequest.ReqEvent );
pAdapter->Interface.CurrentRequest = &OidRequest;
Status =
pMiniport->Ndis6.MiniportCharacteristics.OidRequestHandler(
pAdapter->NdisMiniportAdapterContext,
&OidRequest.OidRequest
);
if ( Status == NDIS_STATUS_PENDING ){
NdisWaitEvent( &OidRequest.ReqEvent, 0 );
Status = OidRequest.Status;
}else{
pAdapter->Interface.CurrentRequest = NULL;
}
}else{
if (KIP_MINIPORT_TEST_FLAG(pAdapter, fADAPTER_IS_CO))
{
// TODO: handle connection oriented miniports
if( pMiniport->Ndis5.MiniportCharacteristics.QueryInformationHandler == NULL )
{
OidRequest.NdisRequest.RequestType = NdisRequestQueryInformation;
OidRequest.NdisRequest.DATA.QUERY_INFORMATION.Oid = Oid;
OidRequest.NdisRequest.DATA.QUERY_INFORMATION.InformationBuffer = InformationBuffer;
OidRequest.NdisRequest.DATA.QUERY_INFORMATION.InformationBufferLength = InformationBufferLength;
NdisInitializeEvent( &OidRequest.ReqEvent );
pAdapter->Interface.CurrentRequest = &OidRequest;
CoNdisRequest = TRUE;
Status =
pMiniport->Ndis5.MiniportCharacteristics.CoRequestHandler(
pAdapter->NdisMiniportAdapterContext,
NULL,
&OidRequest.NdisRequest
);
}
}
if ( !CoNdisRequest ){
// save the current query request
pAdapter->Interface.QueryInformationRequest.Internal = TRUE;
pAdapter->Interface.QueryInformationRequest.Oid = Oid;
pAdapter->Interface.QueryInformationRequest.InformationBuffer = InformationBuffer;
pAdapter->Interface.QueryInformationRequest.InformationBufferLength = InformationBufferLength;
pAdapter->Interface.QueryInformationRequest.BytesWritten = BytesWritten;
pAdapter->Interface.QueryInformationRequest.BytesNeeded = BytesNeeded;
Status =
pMiniport->Ndis5.MiniportCharacteristics.QueryInformationHandler(
pAdapter->NdisMiniportAdapterContext,
Oid,
InformationBuffer,
InformationBufferLength,
BytesWritten,
BytesNeeded
);
}
if ( Status == NDIS_STATUS_PENDING ){
NdisWaitEvent( &pAdapter->Interface.QueryInformationRequest.Event, 0 );
Status = pAdapter->Interface.QueryInformationRequest.Status;
}
}
return Status;
}
//***********************************************************************************
// Name: NDIS_MQueryOid
//
// Description:
// returns oid value for adapter
// Return value:
// NDIS_STATUS_SUCCESS
// MiniportQueryInformation returned the requested information at InformationBuffer
// and set the variable at BytesWritten to the amount of information it returned.
// NDIS_STATUS_PENDING
// The driver will complete the request asynchronously with a call to
// NdisMQueryInformationComplete when it has gathered the requested information.
//
// Parameters:
//
// NOTE: None
// **********************************************************************************
NDIS_STATUS
NDIS_MQueryOid(
IN PKIP_NDIS_ADAPTER pAdapter,
IN NDIS_OID Oid,
IN PVOID InformationBuffer,
IN ULONG InformationBufferLength
)
{
NDIS_STATUS Status;
ULONG BytesWritten;
ULONG BytesNeeded;
return
NDIS_MQueryInformation(
pAdapter,
Oid,
InformationBuffer,
InformationBufferLength,
&BytesWritten,
&BytesNeeded
);
}
//***********************************************************************************
// Name: NDIS_MSetInformation
//
// Description:
// queries information from adapter
// Return value:
// NDIS_STATUS_SUCCESS
// MiniportSetInformation used the data at InformationBuffer to set itself or
// its NIC to the state required by the given Oid, and it set the variable at
// BytesRead to the amount of supplied data it used.
// NDIS_STATUS_PENDING
// The driver will complete the request asynchronously with a call to
// NdisMSetInformationComplete when it has set itself or its NIC to the state requested.
//
// Parameters:
//
// NOTE: None
// **********************************************************************************
NDIS_STATUS
NDIS_MSetInformation(
IN PKIP_NDIS_ADAPTER pAdapter,
IN NDIS_OID Oid,
IN PVOID InformationBuffer,
IN ULONG InformationBufferLength,
OUT PULONG BytesRead,
OUT PULONG BytesNeeded
)
{
PKIP_NDIS_MINIPORT pMiniport = pAdapter->Interface.Miniport;
// save the current set request
pAdapter->Interface.SetInformationRequest.Internal = TRUE;
pAdapter->Interface.SetInformationRequest.Oid = Oid;
pAdapter->Interface.SetInformationRequest.InformationBuffer = InformationBuffer;
pAdapter->Interface.SetInformationRequest.InformationBufferLength = InformationBufferLength;
pAdapter->Interface.SetInformationRequest.BytesRead = BytesRead;
pAdapter->Interface.SetInformationRequest.BytesNeeded = BytesNeeded;
return pMiniport->Ndis5.MiniportCharacteristics.SetInformationHandler(
pAdapter->NdisMiniportAdapterContext,
Oid,
InformationBuffer,
InformationBufferLength,
BytesRead,
BytesNeeded
);
}
//***********************************************************************************
// Name: NDIS_TransferData
//
// Description:
// forwards a request to copy data received on the underlying NIC into
// a protocol-supplied packet.
// Return value:
// NDIS_STATUS_PENDING
// The request is being handled asynchronously, and the caller's
// ProtocolTransferComplete function will be called when it is completed.
//
// Parameters:
//
// NOTE: None
// **********************************************************************************
NDIS_STATUS
NDIS_TransferData(
IN PKIP_NDIS_ADAPTER pAdapter,
OUT PNDIS_PACKET Packet,
OUT PUINT BytesTransferred,
IN NDIS_HANDLE MiniportReceiveContext,
IN UINT ByteOffset,
IN UINT BytesToTransfer
)
{
PKIP_NDIS_MINIPORT pMiniport = pAdapter->Interface.Miniport;
return pMiniport->Ndis5.MiniportCharacteristics.TransferDataHandler(
Packet,
BytesTransferred,
pAdapter->NdisMiniportAdapterContext,
MiniportReceiveContext,
ByteOffset,
BytesToTransfer
);
}
VOID
NDIS_ReturnPacket(
IN PKIP_NDIS_ADAPTER pAdapter,
IN PNDIS_PACKET Packets
)
{
PKIP_NDIS_MINIPORT pMiniport = pAdapter->Interface.Miniport;
pMiniport->Ndis5.MiniportCharacteristics.ReturnPacketHandler(