void
CTEInitEvent(
CTEEvent *Event,
CTEEventRtn Handler
)
/*++
Routine Description:
Initializes a CTE Event variable.
Arguments:
Event - Event variable to initialize.
Handler - Handler routine for this event variable.
Return Value:
None.
--*/
{
ASSERT(Handler != NULL);
Event->ce_handler = Handler;
Event->ce_scheduled = 0;
CTEInitLock(&(Event->ce_lock));
ExInitializeWorkItem(&(Event->ce_workitem), CTEpEventHandler, Event);
}
NTSTATUS
SpxTimerInit(
VOID
)
/*++
Routine Description:
Initialize the timer component for the appletalk stack.
Arguments:
Return Value:
--*/
{
#if !defined(_PNP_POWER)
BOOLEAN TimerStarted;
#endif !_PNP_POWER
// Initialize the timer and its associated Dpc. timer will be kicked
// off when we get the first card arrival notification from ipx
KeInitializeTimer(&spxTimer);
CTEInitLock(&spxTimerLock);
KeInitializeDpc(&spxTimerDpc, spxTimerDpcRoutine, NULL);
spxTimerTick = RtlConvertLongToLargeInteger(SPX_TIMER_TICK);
#if !defined(_PNP_POWER)
TimerStarted = KeSetTimer(&spxTimer,
spxTimerTick,
&spxTimerDpc);
CTEAssert(!TimerStarted);
#endif !_PNP_POWER
return STATUS_SUCCESS;
}
NTSTATUS
IpxCreateAdapter(
IN PDEVICE Device,
IN PUNICODE_STRING AdapterName,
IN OUT PADAPTER *AdapterPtr
)
/*++
Routine Description:
This routine creates and initializes a device context structure.
Arguments:
DriverObject - pointer to the IO subsystem supplied driver object.
Adapter - Pointer to a pointer to a transport device context object.
AdapterName - pointer to the name of the device this device object points to.
Return Value:
STATUS_SUCCESS if all is well; STATUS_INSUFFICIENT_RESOURCES otherwise.
--*/
{
PADAPTER Adapter;
#if 0
UINT i, j;
#endif
Adapter = (PADAPTER)IpxAllocateMemory (sizeof(ADAPTER) + AdapterName->Length + sizeof(WCHAR), MEMORY_ADAPTER, "Adapter");
#ifdef _PNP_POWER
if (Adapter == NULL) {
if (KeGetCurrentIrql() == 0) {
IPX_DEBUG (ADAPTER, ("Create adapter %ws failed\n", AdapterName));
} else {
IPX_DEBUG (ADAPTER, ("Create adapter %lx failed\n", AdapterName));
}
return STATUS_INSUFFICIENT_RESOURCES;
}
IPX_DEBUG (ADAPTER, ("Create adapter %lx %lx succeeded\n", Adapter, AdapterName));
#else
if (Adapter == NULL) {
IPX_DEBUG (ADAPTER, ("Create adapter %ws failed\n", AdapterName->Buffer));
return STATUS_INSUFFICIENT_RESOURCES;
}
IPX_DEBUG (ADAPTER, ("Create adapter %ws succeeded\n", AdapterName->Buffer));
#endif
RtlZeroMemory(Adapter, sizeof(ADAPTER));
//
// Copy over the adapter name.
//
Adapter->AdapterNameLength = AdapterName->Length + sizeof(WCHAR);
Adapter->AdapterName = (PWCHAR)(Adapter+1);
RtlCopyMemory(
Adapter->AdapterName,
AdapterName->Buffer,
AdapterName->Length);
Adapter->AdapterName[AdapterName->Length/sizeof(WCHAR)] = UNICODE_NULL;
#if DBG
RtlCopyMemory(Adapter->Signature1, "IAD1", 4);
#endif
Adapter->Type = IPX_ADAPTER_SIGNATURE;
Adapter->Size = sizeof(ADAPTER);
CTEInitLock (&Adapter->Lock);
InitializeListHead (&Adapter->RequestCompletionQueue);
InitializeListHead (&Adapter->ReceiveBufferPoolList);
ExInitializeSListHead (&Adapter->ReceiveBufferList);
Adapter->Device = Device;
Adapter->DeviceLock = &Device->Lock;
IpxReferenceDevice (Device, DREF_ADAPTER);
#if 0
Adapter->ReceiveBufferPool.Next = NULL;
for (i = 0; i < ISN_FRAME_TYPE_MAX; i++) {
Adapter->Bindings[i] = NULL;
}
Adapter->BindingCount = 0;
for (i = 0; i < IDENTIFIER_TOTAL; i++) {
for (j = 0; j < SOURCE_ROUTE_HASH_SIZE; j++) {
Adapter->SourceRoutingHeads[i][j] = (PSOURCE_ROUTE)NULL;
}
}
#endif
//
// BUGBUG: For the moment, we have to do the source
// routing operation on any type where broadcast
// may not be used for discovery -- improve this
// hopefully.
//
Adapter->SourceRoutingEmpty[IDENTIFIER_RIP] = FALSE;
Adapter->SourceRoutingEmpty[IDENTIFIER_IPX] = FALSE;
Adapter->SourceRoutingEmpty[IDENTIFIER_SPX] = FALSE;
Adapter->SourceRoutingEmpty[IDENTIFIER_NB] = TRUE;
#ifdef _PNP_POWER
//
// Lock here? [BUGBUGZZ]
//
Adapter->ReferenceCount = 1;
#endif
*AdapterPtr = Adapter;
return STATUS_SUCCESS;
} /* IpxCreateAdapter */
//----------------------------------------------------------------------------
NTSTATUS
InitNotOs(
void
)
/*++
Routine Description:
This is the initialization routine for the Non-OS Specific side of the
NBT device driver.
pNbtGlobConfig must be initialized before this is called!
Arguments:
Return Value:
NTSTATUS - The function value is the final status from the initialization
operation.
--*/
{
NTSTATUS status = STATUS_SUCCESS;
ULONG i;
CTEPagedCode();
//
// for multihomed hosts, this tracks the number of adapters as each one
// is created.
//
NbtConfig.AdapterCount = 0;
NbtConfig.MultiHomed = FALSE;
NbtConfig.SingleResponse = FALSE;
//
// Initialize the name statistics
//
CTEZeroMemory( &NameStatsInfo,sizeof(tNAMESTATS_INFO) );
InitializeListHead(&pNbtGlobConfig->DeviceContexts);
#ifndef _IO_DELETE_DEVICE_SUPPORTED
InitializeListHead(&pNbtGlobConfig->FreeDevCtx);
#endif
InitializeListHead(&NbtConfig.AddressHead);
InitializeListHead(&NbtConfig.PendingNameQueries);
#ifdef VXD
InitializeListHead(&NbtConfig.DNSDirectNameQueries);
#endif
// initialize the spin lock
CTEInitLock(&pNbtGlobConfig->SpinLock);
CTEInitLock(&pNbtGlobConfig->JointLock.SpinLock);
NbtConfig.LockNumber = NBTCONFIG_LOCK;
NbtConfig.JointLock.LockNumber = JOINT_LOCK;
NbtMemoryAllocated = 0;
#if DBG
for (i=0;i<MAXIMUM_PROCESSORS ;i++ )
{
NbtConfig.CurrentLockNumber[i] = 0;
}
#endif
InitializeListHead(&UsedTrackers);
InitializeListHead(&UsedIrps);
// create the hash tables for storing names in.
status = CreateHashTable(&pNbtGlobConfig->pLocalHashTbl,
pNbtGlobConfig->uNumBucketsLocal,
NBT_LOCAL);
if ( !NT_SUCCESS( status ) )
{
ASSERTMSG("NBT:Unable to create hash tables for Netbios Names\n",
(status == STATUS_SUCCESS));
return status ;
}
// we always have a remote hash table, but if we are a Proxy, it is
// a larger table. In the Non-proxy case the remote table just caches
// names resolved with the NS. In the Proxy case it also holds names
// resolved for all other clients on the local broadcast area.
// The node size registry parameter controls the number of remote buckets.
status = InitRemoteHashTable(pNbtGlobConfig,
pNbtGlobConfig->uNumBucketsRemote,
pNbtGlobConfig->uNumRemoteNames);
if ( !NT_SUCCESS( status ) )
return status ;
//
// initialize the linked lists associated with the global configuration
// data structures
//
InitializeListHead(&NbtConfig.NodeStatusHead);
InitializeListHead(&NbtConfig.DgramTrackerFreeQ);
#ifndef VXD
InitializeListHead(&NbtConfig.IrpFreeList);
pWinsInfo = 0;
{
//
// Setup the default disconnect timeout - 10 seconds - convert
// to negative 100 Ns.
//
DefaultDisconnectTimeout.QuadPart = Int32x32To64(DEFAULT_DISC_TIMEOUT,
MILLISEC_TO_100NS);
DefaultDisconnectTimeout.QuadPart = -(DefaultDisconnectTimeout.QuadPart);
}
#else
DefaultDisconnectTimeout = DEFAULT_DISC_TIMEOUT * 1000; // convert to milliseconds
InitializeListHead(&NbtConfig.SendTimeoutHead) ;
InitializeListHead(&NbtConfig.SessionBufferFreeList) ;
InitializeListHead(&NbtConfig.SendContextFreeList) ;
InitializeListHead(&NbtConfig.RcvContextFreeList) ;
//
// For session headers, since they are only four bytes and we can't
// change the size of the structure, we'll covertly add enough for
// a full LIST_ENTRY and treat it like a standalone LIST_ENTRY structure
// when adding and removing from the list.
//
NbtConfig.iBufferSize[eNBT_SESSION_HDR] = sizeof(tSESSIONHDR) +
sizeof( LIST_ENTRY ) - sizeof(tSESSIONHDR) ;
NbtConfig.iBufferSize[eNBT_SEND_CONTEXT] = sizeof(TDI_SEND_CONTEXT);
NbtConfig.iBufferSize[eNBT_RCV_CONTEXT] = sizeof(RCV_CONTEXT);
NbtConfig.iCurrentNumBuff[eNBT_SESSION_HDR] = NBT_INITIAL_NUM;
status = NbtInitQ( &NbtConfig.SessionBufferFreeList,
NbtConfig.iBufferSize[eNBT_SESSION_HDR],
NBT_INITIAL_NUM);
if ( !NT_SUCCESS( status ) )
return status ;
NbtConfig.iCurrentNumBuff[eNBT_SEND_CONTEXT] = NBT_INITIAL_NUM;
status = NbtInitQ( &NbtConfig.SendContextFreeList,
sizeof( TDI_SEND_CONTEXT ),
NBT_INITIAL_NUM);
if ( !NT_SUCCESS( status ) )
return status ;
NbtConfig.iCurrentNumBuff[eNBT_RCV_CONTEXT] = NBT_INITIAL_NUM;
status = NbtInitQ( &NbtConfig.RcvContextFreeList,
sizeof( RCV_CONTEXT ),
NBT_INITIAL_NUM);
if ( !NT_SUCCESS( status ) )
return status ;
#endif
//
// create trackers List
//
pNbtGlobConfig->iBufferSize[eNBT_DGRAM_TRACKER] =
sizeof(tDGRAM_SEND_TRACKING);
NbtConfig.iCurrentNumBuff[eNBT_DGRAM_TRACKER] = 0;
status = NbtInitTrackerQ( &NbtConfig.DgramTrackerFreeQ,NBT_INITIAL_NUM);
if ( !NT_SUCCESS( status ) )
return status ;
CTEZeroMemory(&LmHostQueries,sizeof(tLMHOST_QUERIES));
InitializeListHead(&DomainNames.DomainList);
InitializeListHead(&LmHostQueries.ToResolve);
#ifndef VXD
// set up a list for connections when we run out of resources and need to
// disconnect these connections. An Irp is also needed for this list, and
// it is allocated in Driver.C after we have created the connections to the
// transport and therefore know our Irp Stack Size.
//
InitializeListHead(&NbtConfig.OutOfRsrc.ConnectionHead);
// use this resources to synchronize access to the security info between
// assigning security and checking it - when adding names to the
// name local name table through NbtregisterName. This also insures
// that the name is in the local hash table (from a previous Registration)
// before the next registration is allowed to proceed and check for
// the name in the table.
//
ExInitializeResource(&NbtConfig.Resource);
//
// this resource is used to synchronize access to the Dns structure
//
CTEZeroMemory(&DnsQueries,sizeof(tDNS_QUERIES));
InitializeListHead(&DnsQueries.ToResolve);
//
// this resource is used to synchronize access to the Dns structure
//
CTEZeroMemory(&CheckAddr,sizeof(tCHECK_ADDR));
InitializeListHead(&CheckAddr.ToResolve);
#endif // VXD
return status ;
}
