diff options
Diffstat (limited to 'private/ntos/tdi/isn/spx/h/spxdev.h')
| -rw-r--r-- | private/ntos/tdi/isn/spx/h/spxdev.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/private/ntos/tdi/isn/spx/h/spxdev.h b/private/ntos/tdi/isn/spx/h/spxdev.h new file mode 100644 index 000000000..30c0adae5 --- /dev/null +++ b/private/ntos/tdi/isn/spx/h/spxdev.h @@ -0,0 +1,204 @@ +/*++ + +Copyright (c) 1989-1993 Microsoft Corporation + +Module Name: + + spxdev.h + +Abstract: + + This module contains definitions specific to the + SPX module of the ISN transport. + +Author: + + Adam Barr (adamba ) Original Version + Nikhil Kamkolkar (nikhilk) 17-November-1993 + +Environment: + + Kernel mode + +Revision History: + +--*/ + + +// Hash buckets for SPX_ADDR done using socket number +#define NUM_SPXADDR_HASH_BUCKETS 8 +#define NUM_SPXADDR_HASH_MASK 7 +#define NUM_SPXCONN_HASH_BUCKETS 8 +#define NUM_SPXCONN_HASH_MASK 7 + +// This structure defines the per-device structure for SPX +// (one of these is allocated globally). +#define DREF_CREATE 0 +#define DREF_LOADED 1 +#define DREF_ADAPTER 2 +#define DREF_ADDRESS 3 +#define DREF_ORPHAN 4 + +#define DREF_TOTAL 5 + +typedef struct _DEVICE { + + DEVICE_OBJECT dev_DevObj; // the I/O system's device object. + +#if DBG + ULONG dev_RefTypes[DREF_TOTAL]; +#endif + + CSHORT dev_Type; // type of this structure + USHORT dev_Size; // size of this structure + +#if DBG + UCHAR dev_Signature1[4]; // contains "SPX1" +#endif + + // activity count/this provider. + LONG dev_RefCount; + UCHAR dev_State; + + // number of adapters IPX is bound to. + USHORT dev_Adapters; + + // GLOBAL lock for reference count (used in ExInterlockedXxx calls). + CTELock dev_Interlock; + CTELock dev_Lock; + + // Hash table of lists of addresses opened on this device + struct _SPX_ADDR * dev_AddrHashTable[NUM_SPXADDR_HASH_BUCKETS]; + + // List of all active connections, later this be a tree. + struct _SPX_CONN_FILE * dev_GlobalActiveConnList[NUM_SPXCONN_HASH_BUCKETS]; + USHORT dev_NextConnId; + + // Other configuration parameters. + // Where the current socket allocation is. + USHORT dev_CurrentSocket; + + // Our node and network. + UCHAR dev_Network[4]; + UCHAR dev_Node[6]; + + // Pointer to the config information from registry + PCONFIG dev_ConfigInfo; + + // Control channel identifier + ULONG dev_CcId; + + // These are kept around for error logging, and stored right + // after this structure. + PWCHAR dev_DeviceName; +#if defined(_PNP_POWER) + USHORT dev_DeviceNameLen; +#else + ULONG dev_DeviceNameLen; +#endif _PNP_POWER + +#if DBG + UCHAR dev_Signature2[4]; // contains "SPX2" +#endif + + // Handle to ndis buffer pool for spx stack. + NDIS_HANDLE dev_NdisBufferPoolHandle; + + // registration handle with tdi clients. +#if defined(_PNP_POWER) + HANDLE dev_TdiRegistrationHandle; +#endif _PNP_POWER + + // This interlock is used to guard access to the statistics + // define below. + KSPIN_LOCK dev_StatInterlock; // for ULONG quantities + KSPIN_LOCK dev_StatSpinLock; // for LARGE_INTEGER quantities + + // Counters for most of the statistics that SPX maintains; + // some of these are kept elsewhere. Including the structure + // itself wastes a little space but ensures that the alignment + // inside the structure is correct. + TDI_PROVIDER_STATISTICS dev_Stat; + + // This resource guards access to the ShareAccess + // and SecurityDescriptor fields in addresses. + ERESOURCE dev_AddrResource; + + // The following structure contains statistics counters for use + // by TdiQueryInformation and TdiSetInformation. They should not + // be used for maintenance of internal data structures. + TDI_PROVIDER_INFO dev_ProviderInfo; // information about this provider. + +} DEVICE, * PDEVICE; + +// device state definitions +#if defined(_PNP_POWER) +#define DEVICE_STATE_CLOSED 0x00 // Initial state +#define DEVICE_STATE_LOADED 0x01 // Loaded and bound to IPX but no adapters +#define DEVICE_STATE_OPEN 0x02 // Fully operational +#define DEVICE_STATE_STOPPING 0x03 // Unload has been initiated, The I/O system + // will not call us until nobody above has Netbios open. +#else +#define DEVICE_STATE_CLOSED 0x00 +#define DEVICE_STATE_OPEN 0x01 +#define DEVICE_STATE_STOPPING 0x02 +#endif _PNP_POWER + + +// SPX device name +#define SPX_DEVICE_NAME L"\\Device\\NwlnkSpx" + +#define SPX_TDI_RESOURCES 9 + + +// MACROS +#if DBG + +#define SpxReferenceDevice(_Device, _Type) \ + { \ + (VOID)SPX_ADD_ULONG ( \ + &(_Device)->dev_RefTypes[_Type], \ + 1, \ + &SpxGlobalInterlock); \ + \ + (VOID)InterlockedIncrement ( \ + &(_Device)->dev_RefCount); \ + } + +#define SpxDereferenceDevice(_Device, _Type) \ + { \ + (VOID)SPX_ADD_ULONG ( \ + &(_Device)->dev_RefTypes[_Type], \ + (ULONG)-1, \ + &SpxGlobalInterlock); \ + SpxDerefDevice (_Device); \ + } + +#else + +#define SpxReferenceDevice(_Device, _Type) \ + { \ + (VOID)InterlockedIncrement ( \ + &(_Device)->dev_RefCount); \ + } + +#define SpxDereferenceDevice(_Device, _Type) \ + SpxDerefDevice (_Device) + +#endif + +// EXPORTED ROUTINES + +VOID +SpxDestroyDevice( + IN PDEVICE Device); + +VOID +SpxDerefDevice( + IN PDEVICE Device); + +NTSTATUS +SpxInitCreateDevice( + IN PDRIVER_OBJECT DriverObject, + IN PUNICODE_STRING DeviceName, + IN OUT PDEVICE *DevicePtr); |