You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
774 lines
23 KiB
774 lines
23 KiB
////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (c) 2001 Microsoft Corporation
|
|
//
|
|
// Module Name:
|
|
// tdipnp.cpp
|
|
//
|
|
// Abstract:
|
|
// This module contains the tdi pnp functions called from the tdilib.sys
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
#include "sysvars.h"
|
|
extern "C"
|
|
{
|
|
#pragma warning(disable: NAMELESS_STRUCT_UNION)
|
|
#include "tdiinfo.h"
|
|
#pragma warning(default: NAMELESS_STRUCT_UNION)
|
|
}
|
|
|
|
////////////////////////////////////////////////////////
|
|
// private defines and prototypes
|
|
////////////////////////////////////////////////////////
|
|
|
|
|
|
VOID
|
|
TSPrintTdiContext(
|
|
PTDI_PNP_CONTEXT Context
|
|
);
|
|
|
|
|
|
VOID
|
|
TSRemoveFromDeviceList(
|
|
PTA_ADDRESS pTaAddress,
|
|
PCWSTR pDeviceName,
|
|
ULONG ulNameLength
|
|
);
|
|
|
|
VOID
|
|
TSAddToDeviceList(
|
|
PTA_ADDRESS pTaAddress,
|
|
PCWSTR pDeviceName,
|
|
ULONG ulNameLength
|
|
);
|
|
|
|
const PCHAR strFunc1 = "TSPnpBindCallback";
|
|
const PCHAR strFunc2 = "TSPnpPowerHandler";
|
|
const PCHAR strFunc3 = "TSPnpAddAddressCallback";
|
|
const PCHAR strFunc4 = "TSPnpDelAddressCallback";
|
|
|
|
const PCHAR strFunc5 = "TSGetNumDevices";
|
|
const PCHAR strFunc6 = "TSGetDevice";
|
|
const PCHAR strFunc7 = "TSGetAddress";
|
|
|
|
//const PCHAR strFuncP1 = "TSPrintTdiContext";
|
|
const PCHAR strFuncP2 = "TSAddToDeviceList";
|
|
//const PCHAR strFuncP3 = "TSRemoveFromDeviceList";
|
|
|
|
///////////////////////////////////////////////////////
|
|
// public functions
|
|
///////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
// ---------------------------------------
|
|
//
|
|
// Function: TSPnpBindCallback
|
|
//
|
|
// Arguments: TdiPnpOpcode -- callback type
|
|
// pusDeviceName -- name of device to deal with
|
|
// pwstrBindingList -- information from registry Linkage key
|
|
// (if appropriate)
|
|
//
|
|
// Returns: none
|
|
//
|
|
// Descript: This function is called by tdi.sys when tdisample.sys
|
|
// registers its PnpCallbackHandlers. It is called several
|
|
// times, with the reason for each call in TdiPnpOpcode
|
|
//
|
|
// Currently, it just writes the information passed in to the
|
|
// debugger
|
|
//
|
|
// ---------------------------------------
|
|
|
|
|
|
VOID
|
|
TSPnpBindCallback(TDI_PNP_OPCODE TdiPnpOpcode,
|
|
PUNICODE_STRING pusDeviceName,
|
|
PWSTR pwstrBindingList)
|
|
{
|
|
if (ulDebugLevel & ulDebugShowHandlers)
|
|
{
|
|
if (pusDeviceName)
|
|
{
|
|
DebugPrint1("DeviceName: %wZ\r\n", pusDeviceName);
|
|
}
|
|
else
|
|
{
|
|
DebugPrint0("DeviceName: NULL\n");
|
|
}
|
|
|
|
DebugPrint0("OPCODE: ");
|
|
|
|
switch (TdiPnpOpcode)
|
|
{
|
|
case TDI_PNP_OP_MIN:
|
|
DebugPrint0("TDI_PNP_OP_MIN\n");
|
|
break;
|
|
|
|
case TDI_PNP_OP_ADD:
|
|
DebugPrint0("TDI_PNP_OP_ADD\n");
|
|
break;
|
|
|
|
case TDI_PNP_OP_DEL:
|
|
DebugPrint0("TDI_PNP_OP_DEL\n");
|
|
break;
|
|
|
|
case TDI_PNP_OP_UPDATE:
|
|
DebugPrint0("TDI_PNP_OP_UPDATE\n");
|
|
break;
|
|
|
|
case TDI_PNP_OP_PROVIDERREADY:
|
|
DebugPrint0("TDI_PNP_OP_PROVIDERREADY\n");
|
|
break;
|
|
|
|
case TDI_PNP_OP_NETREADY:
|
|
DebugPrint0("TDI_PNP_OP_NETREADY\n");
|
|
break;
|
|
|
|
default:
|
|
DebugPrint1("INCORRECT OPCODE FROM TDI!! [0x%08x]\n",
|
|
TdiPnpOpcode);
|
|
DbgBreakPoint();
|
|
break;
|
|
|
|
}
|
|
|
|
//
|
|
// this is the information from the registry under
|
|
// HKLM/SYSTEM/CurrentControlSet/Services/clientname/Linkage/Bind
|
|
//
|
|
if( pwstrBindingList == NULL )
|
|
{
|
|
DebugPrint0("Bindinglist is NULL\n");
|
|
}
|
|
else
|
|
{
|
|
ULONG_PTR ulStrLen;
|
|
|
|
DebugPrint0("BindingList:\n");
|
|
while (*pwstrBindingList)
|
|
{
|
|
DebugPrint1("%ws\n", pwstrBindingList);
|
|
ulStrLen = 1 + wcslen(pwstrBindingList);
|
|
pwstrBindingList += ulStrLen;
|
|
}
|
|
DebugPrint0("\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// --------------------------------------
|
|
//
|
|
// Function: TSPnpPowerHandler
|
|
//
|
|
// Arguments: pusDeviceName -- device name to deal with
|
|
// pNetPnpEvent -- power event to deal with
|
|
// pTdiPnpContext1
|
|
// pTdiPnpContext2
|
|
//
|
|
// Returns: status of operation
|
|
//
|
|
// Descript: This function deals with pnp and power management issues
|
|
//
|
|
// Currently, it just outputs information to the debugger
|
|
//
|
|
// --------------------------------------
|
|
|
|
|
|
NTSTATUS
|
|
TSPnpPowerHandler(PUNICODE_STRING pusDeviceName,
|
|
PNET_PNP_EVENT pNetPnpEvent,
|
|
PTDI_PNP_CONTEXT pTdiPnpContext1,
|
|
PTDI_PNP_CONTEXT pTdiPnpContext2)
|
|
|
|
{
|
|
if (ulDebugLevel & ulDebugShowHandlers)
|
|
{
|
|
if (pusDeviceName)
|
|
{
|
|
DebugPrint1("DeviceName: %wZ\r\n", pusDeviceName);
|
|
}
|
|
else
|
|
{
|
|
DebugPrint0("DeviceName: NULL\n");
|
|
}
|
|
|
|
switch (pNetPnpEvent->NetEvent)
|
|
{
|
|
case NetEventSetPower:
|
|
case NetEventQueryPower:
|
|
{
|
|
if (pNetPnpEvent->NetEvent == NetEventSetPower)
|
|
{
|
|
DebugPrint1("%s: NetEventSetPower--", strFunc2);
|
|
}
|
|
else
|
|
{
|
|
DebugPrint1("%s: NetEventQueryPower -- ", strFunc2);
|
|
}
|
|
NET_DEVICE_POWER_STATE NetDevicePowerState
|
|
= *(PNET_DEVICE_POWER_STATE)pNetPnpEvent->Buffer;
|
|
|
|
switch (NetDevicePowerState)
|
|
{
|
|
case NetDeviceStateUnspecified:
|
|
DebugPrint0("PowerStateUnspecified\n");
|
|
break;
|
|
case NetDeviceStateD0:
|
|
DebugPrint0("PowerUp\n");
|
|
break;
|
|
case NetDeviceStateD1:
|
|
case NetDeviceStateD2:
|
|
case NetDeviceStateD3:
|
|
DebugPrint0("PowerDown\n");
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case NetEventQueryRemoveDevice:
|
|
DebugPrint1("%s: NetEventQueryRemoveDevice\n", strFunc2);
|
|
break;
|
|
case NetEventCancelRemoveDevice:
|
|
DebugPrint1("%s: NetEventCancelRemoveDevice\n", strFunc2);
|
|
break;
|
|
case NetEventReconfigure:
|
|
DebugPrint1("%s: NetEventReconfigure\n", strFunc2);
|
|
break;
|
|
case NetEventBindList:
|
|
DebugPrint1("%s: NetEventBindList\n", strFunc2);
|
|
break;
|
|
case NetEventBindsComplete:
|
|
DebugPrint1("%s: NetEventBindsComplete\n", strFunc2);
|
|
break;
|
|
case NetEventPnPCapabilities:
|
|
DebugPrint1("%s: NetEventPnPCapabilities\n", strFunc2);
|
|
break;
|
|
|
|
}
|
|
|
|
if (pTdiPnpContext1)
|
|
{
|
|
DebugPrint0("TdiPnpContext1:\n");
|
|
TSPrintTdiContext(pTdiPnpContext1);
|
|
}
|
|
if (pTdiPnpContext2)
|
|
{
|
|
DebugPrint0("TdiPnpContext2:\n");
|
|
TSPrintTdiContext(pTdiPnpContext2);
|
|
}
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
// -----------------------------------------------
|
|
//
|
|
// Function: TSPnpAddAddressCallback
|
|
//
|
|
// Arguments: pTaAddress -- address to register
|
|
// pusDeviceName -- device name associated with address
|
|
// pTdiPnpContext
|
|
//
|
|
// Returns: none
|
|
//
|
|
// Descript: called by tdi.sys. When called, tdisample adds this device
|
|
// to its registered list, if it recognizes the address format
|
|
//
|
|
// -----------------------------------------------
|
|
|
|
VOID
|
|
TSPnpAddAddressCallback(PTA_ADDRESS pTaAddress,
|
|
PUNICODE_STRING pusDeviceName,
|
|
PTDI_PNP_CONTEXT pTdiPnpContext)
|
|
{
|
|
if (ulDebugLevel & ulDebugShowHandlers)
|
|
{
|
|
//
|
|
// write info to debugger
|
|
//
|
|
DebugPrint1("DeviceName: %wZ\r\n", pusDeviceName);
|
|
TSPrintTaAddress(pTaAddress);
|
|
if (pTdiPnpContext)
|
|
{
|
|
DebugPrint0("TdiPnpContext:\n");
|
|
TSPrintTdiContext(pTdiPnpContext);
|
|
}
|
|
}
|
|
|
|
//
|
|
// add this to our list of devices/addresses, if appropriate
|
|
//
|
|
TSAddToDeviceList(pTaAddress,
|
|
pusDeviceName->Buffer,
|
|
pusDeviceName->Length);
|
|
}
|
|
|
|
|
|
// -----------------------------------------------
|
|
//
|
|
// Function: TSDelAddAddressCallback
|
|
//
|
|
// Arguments: pTaAddress -- address to de-register
|
|
// pusDeviceName -- device name associated with address
|
|
// pTdiPnpContext
|
|
//
|
|
// Returns: none
|
|
//
|
|
// Descript: called by tdi.sys. When called, tdisample removes this device
|
|
// to its registered list, if it recognizes the address format
|
|
//
|
|
// -----------------------------------------------
|
|
|
|
VOID
|
|
TSPnpDelAddressCallback(PTA_ADDRESS pTaAddress,
|
|
PUNICODE_STRING pusDeviceName,
|
|
PTDI_PNP_CONTEXT pTdiPnpContext)
|
|
{
|
|
if (ulDebugLevel & ulDebugShowHandlers)
|
|
{
|
|
DebugPrint1("DeviceName: %wZ\r\n", pusDeviceName);
|
|
TSPrintTaAddress(pTaAddress);
|
|
if (pTdiPnpContext)
|
|
{
|
|
DebugPrint0("TdiPnpContext:\n");
|
|
TSPrintTdiContext(pTdiPnpContext);
|
|
}
|
|
}
|
|
|
|
//
|
|
// remove this from our list of devices/addresses, if appropriate
|
|
//
|
|
TSRemoveFromDeviceList(pTaAddress,
|
|
pusDeviceName->Buffer,
|
|
pusDeviceName->Length);
|
|
}
|
|
|
|
|
|
// ----------------------------------------
|
|
//
|
|
// Function: TSGetNumDevices
|
|
//
|
|
// Arguments: pSendBuffer
|
|
// pReceiveBuffer
|
|
//
|
|
// Returns: none
|
|
//
|
|
// Descript: Finds the number of devices in tdidevicelist,
|
|
// and returns that value..
|
|
//
|
|
// ----------------------------------------
|
|
|
|
|
|
VOID
|
|
TSGetNumDevices(PSEND_BUFFER pSendBuffer,
|
|
PRECEIVE_BUFFER pReceiveBuffer)
|
|
{
|
|
ULONG ulSlot = 0;
|
|
ULONG ulAddressType = pSendBuffer->COMMAND_ARGS.GetDevArgs.ulAddressType;
|
|
|
|
|
|
if (ulDebugLevel & ulDebugShowCommand)
|
|
{
|
|
DebugPrint1("\nCommand = ulGETNUMDEVICES\n"
|
|
"AddressType = 0x%08x\n",
|
|
ulAddressType);
|
|
}
|
|
|
|
TSAcquireSpinLock(&pTdiDevnodeList->TdiSpinLock);
|
|
for (ULONG ulCount = 0; ulCount < ulMAX_DEVICE_NODES; ulCount++)
|
|
{
|
|
PTDI_DEVICE_NODE pTdiDeviceNode = &(pTdiDevnodeList->TdiDeviceNode[ulCount]);
|
|
|
|
if ((pTdiDeviceNode->ulState != ulDEVSTATE_UNUSED) &&
|
|
(pTdiDeviceNode->pTaAddress->AddressType == (USHORT)ulAddressType))
|
|
{
|
|
++ulSlot;
|
|
}
|
|
}
|
|
TSReleaseSpinLock(&pTdiDevnodeList->TdiSpinLock);
|
|
|
|
pReceiveBuffer->RESULTS.ulReturnValue = ulSlot;
|
|
}
|
|
|
|
|
|
// ----------------------------------------
|
|
//
|
|
// Function: TSGetDevice
|
|
//
|
|
// Arguments: pSendBuffer -- arguments
|
|
// pReceiveBuffer -- where to put result
|
|
//
|
|
// Returns: NTSTATUS (success if finds slot, else false)
|
|
//
|
|
// Descript: Finds the device name indicated, and returns
|
|
// the string for that value
|
|
//
|
|
// ----------------------------------------
|
|
|
|
|
|
NTSTATUS
|
|
TSGetDevice(PSEND_BUFFER pSendBuffer,
|
|
PRECEIVE_BUFFER pReceiveBuffer)
|
|
{
|
|
ULONG ulSlot = 0;
|
|
ULONG ulAddressType = pSendBuffer->COMMAND_ARGS.GetDevArgs.ulAddressType;
|
|
ULONG ulSlotNum = pSendBuffer->COMMAND_ARGS.GetDevArgs.ulSlotNum;
|
|
|
|
|
|
if (ulDebugLevel & ulDebugShowCommand)
|
|
{
|
|
DebugPrint2("\nCommand = ulGETDEVICE\n"
|
|
"AddressType = 0x%08x\n"
|
|
"SlotNum = %d\n",
|
|
ulAddressType,
|
|
ulSlotNum);
|
|
}
|
|
|
|
TSAcquireSpinLock(&pTdiDevnodeList->TdiSpinLock);
|
|
for (ULONG ulCount = 0; ulCount < ulMAX_DEVICE_NODES; ulCount++)
|
|
{
|
|
PTDI_DEVICE_NODE pTdiDeviceNode = &(pTdiDevnodeList->TdiDeviceNode[ulCount]);
|
|
|
|
if ((pTdiDeviceNode->ulState != ulDEVSTATE_UNUSED) &&
|
|
(pTdiDeviceNode->pTaAddress->AddressType == (USHORT)ulAddressType))
|
|
{
|
|
if (ulSlot == ulSlotNum)
|
|
{
|
|
if (pTdiDeviceNode->ustrDeviceName.MaximumLength > (ulMAX_CNTSTRING_LENGTH * sizeof(WCHAR)))
|
|
{
|
|
DebugPrint0("string length problem!\n");
|
|
DbgBreakPoint();
|
|
}
|
|
|
|
RtlZeroMemory(&pReceiveBuffer->RESULTS.ucsStringReturn.wcBuffer,
|
|
ulMAX_CNTSTRING_LENGTH * sizeof(WCHAR));
|
|
|
|
pReceiveBuffer->RESULTS.ucsStringReturn.usLength
|
|
= pTdiDeviceNode->ustrDeviceName.Length;
|
|
RtlCopyMemory(pReceiveBuffer->RESULTS.ucsStringReturn.wcBuffer,
|
|
pTdiDeviceNode->ustrDeviceName.Buffer,
|
|
pTdiDeviceNode->ustrDeviceName.Length);
|
|
|
|
TSReleaseSpinLock(&pTdiDevnodeList->TdiSpinLock);
|
|
if (pTdiDeviceNode->ulState == ulDEVSTATE_INUSE)
|
|
{
|
|
return STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
}
|
|
++ulSlot;
|
|
}
|
|
}
|
|
TSReleaseSpinLock(&pTdiDevnodeList->TdiSpinLock);
|
|
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
// ----------------------------------------
|
|
//
|
|
// Function: TSGetAddress
|
|
//
|
|
// Arguments: pSendBuffer -- arguments
|
|
// pReceiveBuffer -- where to put result
|
|
//
|
|
// Returns: NTSTATUS (success if finds slot, else false)
|
|
//
|
|
// Descript: Finds the device name indicated, and returns
|
|
// the string for that value
|
|
//
|
|
// ----------------------------------------
|
|
|
|
|
|
NTSTATUS
|
|
TSGetAddress(PSEND_BUFFER pSendBuffer,
|
|
PRECEIVE_BUFFER pReceiveBuffer)
|
|
{
|
|
ULONG ulSlot = 0;
|
|
ULONG ulAddressType = pSendBuffer->COMMAND_ARGS.GetDevArgs.ulAddressType;
|
|
ULONG ulSlotNum = pSendBuffer->COMMAND_ARGS.GetDevArgs.ulSlotNum;
|
|
|
|
if (ulDebugLevel & ulDebugShowCommand)
|
|
{
|
|
DebugPrint2("\nCommand = ulGETADDRESS\n"
|
|
"AddressType = 0x%08x\n"
|
|
"SlotNum = %d\n",
|
|
ulAddressType,
|
|
ulSlotNum);
|
|
}
|
|
|
|
TSAcquireSpinLock(&pTdiDevnodeList->TdiSpinLock);
|
|
for (ULONG ulCount = 0; ulCount < ulMAX_DEVICE_NODES; ulCount++)
|
|
{
|
|
PTDI_DEVICE_NODE pTdiDeviceNode = &(pTdiDevnodeList->TdiDeviceNode[ulCount]);
|
|
|
|
if ((pTdiDeviceNode->ulState != ulDEVSTATE_UNUSED) &&
|
|
(pTdiDeviceNode->pTaAddress->AddressType == (USHORT)ulAddressType))
|
|
{
|
|
if (ulSlot == ulSlotNum)
|
|
{
|
|
ULONG ulLength = FIELD_OFFSET(TA_ADDRESS, Address)
|
|
+ pTdiDeviceNode->pTaAddress->AddressLength;
|
|
|
|
pReceiveBuffer->RESULTS.TransAddr.TAAddressCount = 1;
|
|
RtlCopyMemory(&pReceiveBuffer->RESULTS.TransAddr.TaAddress,
|
|
pTdiDeviceNode->pTaAddress,
|
|
ulLength);
|
|
|
|
TSReleaseSpinLock(&pTdiDevnodeList->TdiSpinLock);
|
|
if (pTdiDeviceNode->ulState == ulDEVSTATE_INUSE)
|
|
{
|
|
return STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
}
|
|
++ulSlot;
|
|
}
|
|
}
|
|
TSReleaseSpinLock(&pTdiDevnodeList->TdiSpinLock);
|
|
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////
|
|
// private functions
|
|
//////////////////////////////////////////////////////
|
|
|
|
|
|
// ---------------------------------
|
|
//
|
|
// Function: TSPrintTdiContext
|
|
//
|
|
// Arguments: pTdiPnpContext -- context to dump
|
|
//
|
|
// Returns: none
|
|
//
|
|
// Descript: prints out information in pTdiPnpContext structure
|
|
//
|
|
// ---------------------------------
|
|
|
|
VOID
|
|
TSPrintTdiContext(PTDI_PNP_CONTEXT pTdiPnpContext)
|
|
{
|
|
if (pTdiPnpContext)
|
|
{
|
|
PUCHAR pucTemp = pTdiPnpContext->ContextData;
|
|
|
|
DebugPrint2("TdiPnpContextSize: %u\n"
|
|
"TdiPnpContextType: %u\n"
|
|
"TdiPnpContextData: ",
|
|
pTdiPnpContext->ContextSize,
|
|
pTdiPnpContext->ContextType);
|
|
|
|
for (ULONG ulCount = 0; ulCount < pTdiPnpContext->ContextSize; ulCount++)
|
|
{
|
|
DebugPrint1("%02x ", *pucTemp);
|
|
++pucTemp;
|
|
}
|
|
DebugPrint0("\n");
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------
|
|
//
|
|
// Function: TSAddToDeviceList
|
|
//
|
|
// Arguments: pTaAddress -- current address structure
|
|
// pusDeviceName -- actual name of device
|
|
//
|
|
// Returns: none
|
|
//
|
|
// Descript: Adds this device to our device list, if appropriate
|
|
//
|
|
// ------------------------------------------
|
|
|
|
VOID
|
|
TSAddToDeviceList(PTA_ADDRESS pTaAddress,
|
|
PCWSTR pDeviceName,
|
|
ULONG ulNameLength)
|
|
{
|
|
//
|
|
// scan list for first available slot. For any slot before the first
|
|
// available whose entry has been deleted, check to see if this is the
|
|
// same device coming back
|
|
//
|
|
ULONG ulLengthNeeded = FIELD_OFFSET(TA_ADDRESS, Address)
|
|
+ pTaAddress->AddressLength;
|
|
ULONG ulAddressType = pTaAddress->AddressType;
|
|
|
|
|
|
TSAcquireSpinLock(&pTdiDevnodeList->TdiSpinLock);
|
|
for (ULONG ulCount = 0; ulCount < ulMAX_DEVICE_NODES; ulCount++)
|
|
{
|
|
PTDI_DEVICE_NODE pTdiDeviceNode = &(pTdiDevnodeList->TdiDeviceNode[ulCount]);
|
|
|
|
switch (pTdiDeviceNode->ulState)
|
|
{
|
|
//
|
|
// this is first unused slot
|
|
// allocate buffers and set
|
|
//
|
|
case ulDEVSTATE_UNUSED:
|
|
if ((TSAllocateMemory((PVOID *)&pTdiDeviceNode->pTaAddress,
|
|
ulLengthNeeded,
|
|
strFuncP2,
|
|
"TaAddress")) == STATUS_SUCCESS)
|
|
{
|
|
if ((TSAllocateMemory((PVOID *)&pTdiDeviceNode->ustrDeviceName.Buffer,
|
|
ulNameLength+2,
|
|
strFuncP2,
|
|
"Buffer")) == STATUS_SUCCESS)
|
|
{
|
|
RtlCopyMemory(pTdiDeviceNode->pTaAddress,
|
|
pTaAddress,
|
|
ulLengthNeeded);
|
|
|
|
pTdiDeviceNode->ustrDeviceName.MaximumLength = (USHORT)(ulNameLength + 2);
|
|
pTdiDeviceNode->ustrDeviceName.Length = (USHORT)ulNameLength;
|
|
RtlCopyMemory(pTdiDeviceNode->ustrDeviceName.Buffer,
|
|
pDeviceName,
|
|
ulNameLength);
|
|
pTdiDeviceNode->ulState = ulDEVSTATE_INUSE;
|
|
}
|
|
else
|
|
{
|
|
TSFreeMemory(pTdiDeviceNode->pTaAddress);
|
|
}
|
|
}
|
|
TSReleaseSpinLock(&pTdiDevnodeList->TdiSpinLock);
|
|
return;
|
|
|
|
//
|
|
// device in slot has been removed. See if this is the same
|
|
// device coming back
|
|
//
|
|
case ulDEVSTATE_DELETED:
|
|
{
|
|
//
|
|
// check for correct name
|
|
//
|
|
ULONG_PTR ulCompareLength = RtlCompareMemory(pTdiDeviceNode->ustrDeviceName.Buffer,
|
|
pDeviceName,
|
|
ulNameLength);
|
|
if (ulCompareLength == ulNameLength)
|
|
{
|
|
//
|
|
// for tcpip, netbios, and appletalk this is enough
|
|
// for ipx/spx, need to check address as well
|
|
//
|
|
if (ulAddressType == TDI_ADDRESS_TYPE_IPX)
|
|
{
|
|
ulCompareLength = RtlCompareMemory(pTdiDeviceNode->pTaAddress,
|
|
pTaAddress,
|
|
pTaAddress->AddressLength + sizeof(ULONG));
|
|
|
|
//
|
|
// if address is incorrect, not right ipx
|
|
//
|
|
if (ulCompareLength != pTaAddress->AddressLength + sizeof(ULONG))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// copy address info over in case it changed..
|
|
//
|
|
RtlCopyMemory(pTdiDeviceNode->pTaAddress,
|
|
pTaAddress,
|
|
ulLengthNeeded);
|
|
}
|
|
|
|
pTdiDeviceNode->ulState = ulDEVSTATE_INUSE;
|
|
TSReleaseSpinLock(&pTdiDevnodeList->TdiSpinLock);
|
|
return;
|
|
}
|
|
}
|
|
break;
|
|
|
|
//
|
|
// device in slot is in used. Leave it alone
|
|
//
|
|
case ulDEVSTATE_INUSE:
|
|
break;
|
|
}
|
|
}
|
|
TSReleaseSpinLock(&pTdiDevnodeList->TdiSpinLock);
|
|
}
|
|
|
|
|
|
|
|
// ------------------------------------------
|
|
//
|
|
// Function: TSRemoveFromDeviceList
|
|
//
|
|
// Arguments: pTaAddress -- current address structure
|
|
// pusDeviceName -- actual name of device
|
|
//
|
|
// Returns: none
|
|
//
|
|
// Descript: Remove this device from our device list, if is it
|
|
// on it..
|
|
//
|
|
// ------------------------------------------
|
|
|
|
VOID
|
|
TSRemoveFromDeviceList(PTA_ADDRESS pTaAddress,
|
|
PCWSTR pDeviceName,
|
|
ULONG ulNameLength)
|
|
{
|
|
//
|
|
// search list for the item to remove..
|
|
//
|
|
TSAcquireSpinLock(&pTdiDevnodeList->TdiSpinLock);
|
|
for (ULONG ulCount = 0; ulCount < ulMAX_DEVICE_NODES; ulCount++)
|
|
{
|
|
PTDI_DEVICE_NODE pTdiDeviceNode = &(pTdiDevnodeList->TdiDeviceNode[ulCount]);
|
|
|
|
//
|
|
// check to see that it is the right node...
|
|
// first check to see if the address is correct
|
|
//
|
|
ULONG_PTR ulCompareLength = RtlCompareMemory(pTdiDeviceNode->pTaAddress,
|
|
pTaAddress,
|
|
pTaAddress->AddressLength + sizeof(ULONG));
|
|
|
|
//
|
|
// if address is correct, check for correct name
|
|
//
|
|
if (ulCompareLength == pTaAddress->AddressLength + sizeof(ULONG))
|
|
{
|
|
ulCompareLength = RtlCompareMemory(pTdiDeviceNode->ustrDeviceName.Buffer,
|
|
pDeviceName,
|
|
ulNameLength);
|
|
|
|
//
|
|
// if this matches, it's the right node. Delete it!
|
|
//
|
|
if (ulCompareLength == ulNameLength)
|
|
{
|
|
pTdiDeviceNode->ulState = ulDEVSTATE_DELETED;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
TSReleaseSpinLock(&pTdiDevnodeList->TdiSpinLock);
|
|
|
|
}
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////
|
|
// end of file tdipnp.cpp
|
|
/////////////////////////////////////////////////////////////////
|
|
|