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|
/*++
Copyright (c) 1990 Microsoft Corporation
Module Name:
kdndis.c
Abstract:
Ndis Testprot Kernel Debugger extension
This module contains a set of useful kernel debugger extensions for the
NT MAC Tester
Author:
Sanjeev Katariya May-6-1993
Revision History:
Created
--*/
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <windows.h>
#include <ntkdexts.h>
#include <stdlib.h>
#include <malloc.h>
#include "tpkd.h"
VOID
DumpNdisPacket(
PNTKD_OUTPUT_ROUTINE OutputRoutine,
PNTKD_READ_VIRTUAL_MEMORY ReadMemoryRoutine,
PNDIS_PACKET NdisPacket,
DWORD AddressNdisPacket
)
{
NDIS_BUFFER NdisBuffer;
DWORD BufferAddress;
BOOL ReadMemory = FALSE;
INT i;
(OutputRoutine)( "\nNDIS_PACKET at Memory location: 0x%lx\n", AddressNdisPacket );
(OutputRoutine)( "\tNDIS_PACKET_PRIVATE\n" );
(OutputRoutine)( "\t\tPhysical Count : %ld\n" , NdisPacket->Private.PhysicalCount );
(OutputRoutine)( "\t\tTotal Length : %ld\n" , NdisPacket->Private.TotalLength );
(OutputRoutine)( "\t\tNdis Buffer Head Ptr : 0x%lx\n", NdisPacket->Private.Head );
(OutputRoutine)( "\t\tNdis Buffer Tail Ptr : 0x%lx\n", NdisPacket->Private.Tail );
(OutputRoutine)( "\t\tNdis Packet Pool Ptr : 0x%lx\n", NdisPacket->Private.Pool );
(OutputRoutine)( "\t\tCount : %ld\n" , NdisPacket->Private.Count );
(OutputRoutine)( "\t\tFlags : 0x%lx\n", NdisPacket->Private.Flags );
(OutputRoutine)( "\t\tValid Counts : %d\n" , NdisPacket->Private.ValidCounts );
(OutputRoutine)( "\t\tMacReserved : " );
for( i = 0; i < 16; i++ ) {
(OutputRoutine)( "0x%2.2x", NdisPacket->MacReserved[i] );
}
(OutputRoutine)( "\n\t\tProtocolReserved : 0x%2.2x\n", NdisPacket->ProtocolReserved[0] );
//
// And now the NDIS_BUFFER chain
//
BufferAddress = NdisPacket->Private.Head;
try {
ReadMemory = (ReadMemoryRoutine)( (LPVOID)BufferAddress,
&NdisBuffer,
sizeof( NDIS_BUFFER ),
NULL
);
} except ( EXCEPTION_ACCESS_VIOLATION ) {
(OutputRoutine)( "The routine was unable to access NDIS_BUFFER number of bytes.\n" );
(OutputRoutine)( "Possible bad NDIS_BUFFER address 0x%lx\n", BufferAddress );
return;
}
while ( ReadMemory ) {
DumpNdisBuffer( OutputRoutine, ReadMemoryRoutine, &NdisBuffer, BufferAddress );
BufferAddress = NdisBuffer.Next;
(OutputRoutine)( "\n\tNext NDIS_BUFFER at address 0x%lx\n", BufferAddress );
try {
ReadMemory = (ReadMemoryRoutine)( (LPVOID)BufferAddress,
&NdisBuffer,
sizeof( NDIS_BUFFER ),
NULL
);
} except ( EXCEPTION_ACCESS_VIOLATION ) {
(OutputRoutine)( "The routine was unable to access NDIS_BUFFER number of bytes.\n" );
(OutputRoutine)( "Possible bad NDIS_BUFFER address 0x%lx\n", BufferAddress );
return;
}
}
}
VOID
DumpNdisBuffer(
PNTKD_OUTPUT_ROUTINE OutputRoutine,
PNTKD_READ_VIRTUAL_MEMORY ReadMemoryRoutine,
PNDIS_BUFFER NdisBuffer,
DWORD AddressNdisBuffer
)
{
ULONG i;
BOOL ReadMemory = FALSE;
PUCHAR Buffer = calloc( NdisBuffer->ByteCount, sizeof( UCHAR ) );
(OutputRoutine)( "\n\tNDIS_BUFFER at Memory location: 0x%lx\n", AddressNdisBuffer );
(OutputRoutine)( "\t\tNext Buffer : 0x%lx\n", NdisBuffer->Next );
(OutputRoutine)( "\t\tSize : %d\n" , NdisBuffer->Size );
(OutputRoutine)( "\t\tMDL Flags : 0x%x\n" , NdisBuffer->MdlFlags );
(OutputRoutine)( "\t\tEPROCESS Ptr : 0x%lx\n", NdisBuffer->Process );
(OutputRoutine)( "\t\tMapped System VA : 0x%lx\n", NdisBuffer->MappedSystemVa );
(OutputRoutine)( "\t\tStart VA : 0x%lx\n", NdisBuffer->StartVa );
(OutputRoutine)( "\t\tByte Count : 0x%lx\n", NdisBuffer->ByteCount);
(OutputRoutine)( "\t\tByte Offset : 0x%lx\n", NdisBuffer->ByteOffset );
(OutputRoutine)( "\t\tVA Contents\n" );
if ( Buffer != NULL ) {
try {
ReadMemory = (ReadMemoryRoutine)( (LPVOID)NdisBuffer->StartVa,
Buffer,
NdisBuffer->ByteCount,
NULL
);
} except ( EXCEPTION_ACCESS_VIOLATION ) {
(OutputRoutine)( "The routine was unable to access Byte Count number of bytes.\n" );
(OutputRoutine)( "Possible bad StartVa address 0x%lx\n", NdisBuffer->StartVa );
ReadMemory = FALSE;
}
if ( ReadMemory ) {
for( i = 0; i < NdisBuffer->ByteCount ; i++ ) {
if ( (i%16) == 0 ) {
(OutputRoutine)( "\n\t\t%2x", Buffer[i] );
} else {
(OutputRoutine)( "-%2x", Buffer[i] );
}
}
(OutputRoutine)( "\n" );
free( Buffer );
return;
}
free( Buffer );
}
(OutputRoutine)( "Unable to access contents of StartVa: 0x%lx\n", NdisBuffer->StartVa );
}
VOID
DumpOpenBuffer(
PNTKD_OUTPUT_ROUTINE OutputRoutine,
PNTKD_READ_VIRTUAL_MEMORY ReadMemoryRoutine,
POPEN_BLOCK OpenBuffer,
DWORD AddressOpenBuffer
)
{
ULONG i;
BOOL ReadMemory = FALSE;
(OutputRoutine)( "\n\tOPEN_BLOCK at Memory location: 0x%lx\n\n", AddressOpenBuffer );
(OutputRoutine)( "\t\tNdisBindingHandle : 0x%lx\n", OpenBuffer->NdisBindingHandle );
(OutputRoutine)( "\t\tNdisProtocolHandle : 0x%lx\n", OpenBuffer->NdisProtocolHandle );
(OutputRoutine)( "\t\tOpenInstance : %d\n" , OpenBuffer->OpenInstance );
(OutputRoutine)( "\t\tClosing Status : %d\n" , OpenBuffer->Closing );
(OutputRoutine)( "\t\tStation Address : " );
for( i = 0 ; i < ADDRESS_LENGTH; i++ ) {
(OutputRoutine)( "%2.2x", OpenBuffer->StationAddress[i] );
}
(OutputRoutine)( "\n" );
(OutputRoutine)( "\t\tPtr to Adapter Name : 0x%lx\n", OpenBuffer->AdapterName );
(OutputRoutine)( "\t\tSpin Lock Resource : 0x%lx\n", OpenBuffer->SpinLock );
(OutputRoutine)( "\t\tReference Count : %d\n" , OpenBuffer->ReferenceCount );
(OutputRoutine)( "\t\tMedium Index : %d\n" , OpenBuffer->MediumIndex );
(OutputRoutine)( "\t\tPtr to Media Info : 0x%lx\n", OpenBuffer->Media );
(OutputRoutine)( "\t\tPtr to Global Counters : 0x%lx\n", OpenBuffer->GlobalCounters );
(OutputRoutine)( "\t\tPtr to Environment : 0x%lx\n", OpenBuffer->Environment );
(OutputRoutine)( "\t\tPtr to Stress Block : 0x%lx\n", OpenBuffer->Stress );
(OutputRoutine)( "\t\tPtr to Send Block : 0x%lx\n", OpenBuffer->Send );
(OutputRoutine)( "\t\tPtr to Receive Block : 0x%lx\n", OpenBuffer->Receive );
(OutputRoutine)( "\t\tPtr to Event Queue : 0x%lx\n", OpenBuffer->EventQueue );
(OutputRoutine)( "\t\tPtr to Pause Block : 0x%lx\n", OpenBuffer->Pause );
(OutputRoutine)( "\t\tPtr to Open Request Handle : 0x%lx\n", OpenBuffer->OpenReqHndl );
(OutputRoutine)( "\t\tPtr to Close Request Handle : 0x%lx\n", OpenBuffer->CloseReqHndl );
(OutputRoutine)( "\t\tPtr to Reset Request Handle : 0x%lx\n", OpenBuffer->ResetReqHndl );
(OutputRoutine)( "\t\tPtr to Request Request Handle: 0x%lx\n", OpenBuffer->RequestReqHndl );
(OutputRoutine)( "\t\tPtr to Stress Request Handle : 0x%lx\n", OpenBuffer->StressReqHndl );
(OutputRoutine)( "\t\tStatus IRP cancelled : %d\n" , OpenBuffer->IrpCancelled );
(OutputRoutine)( "\t\tPtr to IRP : 0x%lx\n", OpenBuffer->Irp );
(OutputRoutine)( "\t\tSignature : 0x%lx\n", OpenBuffer->Signature );
}
/*
************************* Exported Routines **********************************
* *
* Method for invoking at debugger *
* *
* kd > !tpkd.ndispacket Address where Address is of type pointer *
* kd > !tpkd.ndisbuffer Address where Address is of type pointer *
* kd > !tpkd.openblock Address where Address is of type pointer *
* kd > !tpkd.help *
* *
*******************************************************************************
*/
VOID
ndispacket(
DWORD CurrentPc,
PNTKD_EXTENSION_APIS ExtensionApis,
LPSTR ArgumentString
)
{
PNTKD_OUTPUT_ROUTINE OutputRoutine ;
PNTKD_GET_EXPRESSION GetExpressionRoutine;
PNTKD_READ_VIRTUAL_MEMORY ReadMemoryRoutine ;
PNTKD_GET_SYMBOL GetSymbolRoutine ;
NDIS_PACKET Packet ;
DWORD AddressNdisPacket ;
BOOL ReadMemory = FALSE ;
OutputRoutine = ExtensionApis->lpOutputRoutine;
GetExpressionRoutine = ExtensionApis->lpGetExpressionRoutine;
GetSymbolRoutine = ExtensionApis->lpGetSymbolRoutine;
ReadMemoryRoutine = ExtensionApis->lpReadVirtualMemRoutine;
//
// Get the address of the NDIS_PACKET
AddressNdisPacket = (GetExpressionRoutine)(ArgumentString);
//
if ( !AddressNdisPacket ) {
return;
}
try {
//
// Now read the memory contents into our buffer area
//
ReadMemory = (ReadMemoryRoutine)( (LPVOID)AddressNdisPacket,
&Packet,
sizeof(NDIS_PACKET),
NULL
);
} except( EXCEPTION_ACCESS_VIOLATION ) {
(OutputRoutine)( "The routine was unable to access NDIS_PACKET size bytes.\n" );
(OutputRoutine)( "Possible bad NDIS_PACKET address 0x%lx\n", AddressNdisPacket );
ReadMemory = FALSE;
}
if ( !ReadMemory ) {
return;
}
DumpNdisPacket( OutputRoutine,
ReadMemoryRoutine,
&Packet,
AddressNdisPacket );
}
VOID
ndisbuffer(
DWORD CurrentPc,
PNTKD_EXTENSION_APIS ExtensionApis,
LPSTR ArgumentString
)
{
PNTKD_OUTPUT_ROUTINE OutputRoutine ;
PNTKD_GET_EXPRESSION GetExpressionRoutine;
PNTKD_READ_VIRTUAL_MEMORY ReadMemoryRoutine ;
PNTKD_GET_SYMBOL GetSymbolRoutine ;
NDIS_BUFFER NdisBuffer ;
DWORD AddressNdisBuffer ;
BOOL ReadMemory = FALSE ;
OutputRoutine = ExtensionApis->lpOutputRoutine;
GetExpressionRoutine = ExtensionApis->lpGetExpressionRoutine;
GetSymbolRoutine = ExtensionApis->lpGetSymbolRoutine;
ReadMemoryRoutine = ExtensionApis->lpReadVirtualMemRoutine;
//
// Get the address of the NDIS_PACKET
//
AddressNdisBuffer = (GetExpressionRoutine)(ArgumentString);
if ( !AddressNdisBuffer ) {
return;
}
try {
//
// Now read the memory contents into our buffer area
//
ReadMemory = (ReadMemoryRoutine)( (LPVOID)AddressNdisBuffer,
&NdisBuffer,
sizeof(NDIS_BUFFER),
NULL
);
} except( EXCEPTION_ACCESS_VIOLATION ) {
(OutputRoutine)( "The routine was unable to access NDIS_BUFFER size bytes.\n" );
(OutputRoutine)( "Possible bad NDIS_BUFFER address 0x%lx\n", AddressNdisBuffer );
ReadMemory = FALSE;
}
if ( !ReadMemory ) {
return;
}
DumpNdisBuffer( OutputRoutine,
ReadMemoryRoutine,
&NdisBuffer,
AddressNdisBuffer );
}
VOID
openblock(
DWORD CurrentPc,
PNTKD_EXTENSION_APIS ExtensionApis,
LPSTR ArgumentString
)
{
PNTKD_OUTPUT_ROUTINE OutputRoutine ;
PNTKD_GET_EXPRESSION GetExpressionRoutine;
PNTKD_READ_VIRTUAL_MEMORY ReadMemoryRoutine ;
PNTKD_GET_SYMBOL GetSymbolRoutine ;
OPEN_BLOCK OpenBuffer ;
DWORD AddressOpenBuffer ;
BOOL ReadMemory = FALSE ;
OutputRoutine = ExtensionApis->lpOutputRoutine;
GetExpressionRoutine = ExtensionApis->lpGetExpressionRoutine;
GetSymbolRoutine = ExtensionApis->lpGetSymbolRoutine;
ReadMemoryRoutine = ExtensionApis->lpReadVirtualMemRoutine;
//
// Get the address of the OPEN_BLOCK
//
AddressOpenBuffer = (GetExpressionRoutine)(ArgumentString);
if ( !AddressOpenBuffer ) {
return;
}
try {
//
// Now read the memory contents into our buffer area
//
ReadMemory = (ReadMemoryRoutine)( (LPVOID)AddressOpenBuffer,
&OpenBuffer,
sizeof(OPEN_BLOCK),
NULL
);
} except( EXCEPTION_ACCESS_VIOLATION ) {
(OutputRoutine)( "The routine was unable to access OPEN_BLOCK size bytes.\n" );
(OutputRoutine)( "Possible bad OPEN_BLOCK address 0x%lx\n", AddressOpenBuffer );
ReadMemory = FALSE;
}
if ( !ReadMemory ) {
return;
}
DumpOpenBuffer( OutputRoutine,
ReadMemoryRoutine,
&OpenBuffer,
AddressOpenBuffer );
}
VOID
help(
DWORD CurrentPc,
PNTKD_EXTENSION_APIS ExtensionApis,
LPSTR ArgumentString
)
{
PNTKD_OUTPUT_ROUTINE OutputRoutine;
OutputRoutine = ExtensionApis->lpOutputRoutine;
(OutputRoutine)( "The following commands are available\n" );
(OutputRoutine)( "\tndispacket <address>\n\tndisbuffer <address>\n\topenblock\n\thelp\n" );
}
|
