iinfo.c File Reference

#include "precomp.h"
#include <ipifcons.h>

Include dependency graph for iinfo.c:

Go to the source code of this file.

Macros
#define	MAX_ADAPTER_DESCRIPTION_LENGTH   128

Functions
TDI_STATUS	InfoTdiQueryGetInterfaceMIB (TDIEntityID ID, PIP_INTERFACE Interface, PNDIS_BUFFER Buffer, PUINT BufferSize)
TDI_STATUS	InfoTdiQueryGetArptableMIB (TDIEntityID ID, PIP_INTERFACE Interface, PNDIS_BUFFER Buffer, PUINT BufferSize)
TDI_STATUS	InfoTdiSetArptableMIB (PIP_INTERFACE IF, PVOID Buffer, UINT BufferSize)
VOID	InsertTDIInterfaceEntity (PIP_INTERFACE Interface)
VOID	RemoveTDIInterfaceEntity (PIP_INTERFACE Interface)

Macro Definition Documentation

MAX_ADAPTER_DESCRIPTION_LENGTH

#define MAX_ADAPTER_DESCRIPTION_LENGTH   128

Definition at line 16 of file iinfo.c.

Function Documentation

InfoTdiQueryGetArptableMIB()

TDI_STATUS InfoTdiQueryGetArptableMIB	(	TDIEntityID	ID,
		PIP_INTERFACE	Interface,
		PNDIS_BUFFER	Buffer,
		PUINT	BufferSize
	)

Definition at line 105 of file iinfo.c.

                                        {
    NTSTATUS Status;
    ULONG NumNeighbors = NBCopyNeighbors( Interface, NULL );
    ULONG MemSize = NumNeighbors * sizeof(IPARP_ENTRY);
    PIPARP_ENTRY ArpEntries;
 
    if (MemSize != 0)
    {
        ArpEntries = ExAllocatePoolWithTag( NonPagedPool, MemSize, ARP_ENTRY_TAG );
        if( !ArpEntries ) return STATUS_NO_MEMORY;
 
        NBCopyNeighbors( Interface, ArpEntries );
 
        Status = InfoCopyOut( (PVOID)ArpEntries, MemSize, Buffer, BufferSize );
 
        ExFreePoolWithTag( ArpEntries, ARP_ENTRY_TAG );
    }
    else
    {
        Status = InfoCopyOut(NULL, 0, NULL, BufferSize);
    }
 
    return Status;
}

Referenced by InfoTdiQueryInformationEx().

InfoTdiQueryGetInterfaceMIB()

TDI_STATUS InfoTdiQueryGetInterfaceMIB	(	TDIEntityID	ID,
		PIP_INTERFACE	Interface,
		PNDIS_BUFFER	Buffer,
		PUINT	BufferSize
	)

Definition at line 18 of file iinfo.c.

                                         {
    TDI_STATUS Status = TDI_INVALID_REQUEST;
    IFEntry* OutData;
    PLAN_ADAPTER IF;
    PCHAR IFDescr;
    ULONG Size;
    NDIS_STATUS NdisStatus;
 
    if (!Interface)
        return TDI_INVALID_PARAMETER;
 
    IF = (PLAN_ADAPTER)Interface->Context;
 
    TI_DbgPrint(DEBUG_INFO,
        ("Getting IFEntry MIB (IF %08x LA %08x) (%04x:%d)\n",
         Interface, IF, ID.tei_entity, ID.tei_instance));
 
    OutData = ExAllocatePoolWithTag( NonPagedPool, FIELD_OFFSET(IFEntry, if_descr[MAX_ADAPTER_DESCRIPTION_LENGTH + 1]), OUT_DATA_TAG );
 
    if( !OutData ) return TDI_NO_RESOURCES; /* Out of memory */
 
    RtlZeroMemory( OutData, FIELD_OFFSET(IFEntry, if_descr[MAX_ADAPTER_DESCRIPTION_LENGTH + 1]));
 
    OutData->if_index = Interface->Index;
    /* viz: tcpip keeps those indices */
    OutData->if_type = Interface ==
        Loopback ? MIB_IF_TYPE_LOOPBACK : MIB_IF_TYPE_ETHERNET;
    OutData->if_mtu = Interface->MTU;
    TI_DbgPrint(DEBUG_INFO,
        ("Getting interface speed\n"));
    OutData->if_physaddrlen = Interface->AddressLength;
    OutData->if_adminstatus = MIB_IF_ADMIN_STATUS_UP;
    /* NDIS_HARDWARE_STATUS -> ROUTER_CONNECTION_STATE */
    GetInterfaceConnectionStatus( Interface, &OutData->if_operstatus );
 
    IFDescr = (PCHAR)&OutData->if_descr[0];
 
    if( IF ) {
    GetInterfaceSpeed( Interface, (PUINT)&OutData->if_speed );
    TI_DbgPrint(DEBUG_INFO,
            ("IF Speed = %d * 100bps\n", OutData->if_speed));
    memcpy(OutData->if_physaddr, Interface->Address, Interface->AddressLength);
    TI_DbgPrint(DEBUG_INFO, ("Got HWAddr\n"));
 
        memcpy(&OutData->if_inoctets, &Interface->Stats, sizeof(SEND_RECV_STATS));
 
        NdisStatus = NDISCall(IF,
                              NdisRequestQueryInformation,
                              OID_GEN_XMIT_ERROR,
                              &OutData->if_outerrors,
                              sizeof(ULONG));
        if (NdisStatus != NDIS_STATUS_SUCCESS)
            OutData->if_outerrors = 0;
 
        TI_DbgPrint(DEBUG_INFO, ("OutErrors = %d\n", OutData->if_outerrors));
 
        NdisStatus = NDISCall(IF,
                              NdisRequestQueryInformation,
                              OID_GEN_RCV_ERROR,
                              &OutData->if_inerrors,
                              sizeof(ULONG));
        if (NdisStatus != NDIS_STATUS_SUCCESS)
            OutData->if_inerrors = 0;
 
        TI_DbgPrint(DEBUG_INFO, ("InErrors = %d\n", OutData->if_inerrors));
    }
 
    GetInterfaceName( Interface, IFDescr, MAX_ADAPTER_DESCRIPTION_LENGTH );
 
    TI_DbgPrint(DEBUG_INFO, ("Copied in name %s\n", IFDescr));
    OutData->if_descrlen = strlen(IFDescr);
    Size = FIELD_OFFSET(IFEntry, if_descr[OutData->if_descrlen + 1]);
 
    TI_DbgPrint(DEBUG_INFO, ("Finished IFEntry MIB (%04x:%d) size %d\n",
                ID.tei_entity, ID.tei_instance, Size));
 
    Status = InfoCopyOut( (PCHAR)OutData, Size, Buffer, BufferSize );
    ExFreePoolWithTag( OutData, OUT_DATA_TAG );
 
    TI_DbgPrint(DEBUG_INFO,("Returning %x\n", Status));
 
    return Status;
}

Referenced by InfoTdiQueryInformationEx().

InfoTdiSetArptableMIB()

TDI_STATUS InfoTdiSetArptableMIB	(	PIP_INTERFACE	IF,
		PVOID	Buffer,
		UINT	BufferSize
	)

Definition at line 133 of file iinfo.c.

{
    PIPARP_ENTRY ArpEntry = Buffer;
    IP_ADDRESS Address;
    PNEIGHBOR_CACHE_ENTRY NCE;
 
    if (!Buffer || BufferSize < sizeof(IPARP_ENTRY))
        return TDI_INVALID_PARAMETER;
 
    AddrInitIPv4(&Address, ArpEntry->LogAddr);
 
    if ((NCE = NBLocateNeighbor(&Address, IF)))
        NBRemoveNeighbor(NCE);
 
    if (NBAddNeighbor(IF,
                      &Address,
                      ArpEntry->PhysAddr,
                      ArpEntry->AddrSize,
                      NUD_PERMANENT,
                      0))
        return TDI_SUCCESS;
    else
        return TDI_INVALID_PARAMETER;
}

Referenced by InfoTdiSetInformationEx().

InsertTDIInterfaceEntity()

VOID InsertTDIInterfaceEntity

(

PIP_INTERFACE

Interface

)

Definition at line 158 of file iinfo.c.

                                                         {
    AddEntity(IF_ENTITY, Interface, IF_MIB);
 
    AddEntity(AT_ENTITY, Interface,
              (Interface != Loopback) ? AT_ARP : AT_NULL);
 
    /* FIXME: This is probably wrong */
    AddEntity(CL_NL_ENTITY, Interface, CL_NL_IP);
}

Referenced by IPCreateInterface().

RemoveTDIInterfaceEntity()

VOID RemoveTDIInterfaceEntity

(

PIP_INTERFACE

Interface

)

Definition at line 168 of file iinfo.c.

                                                         {
    /* This removes all of them */
    RemoveEntityByContext(Interface);
}

Referenced by IPDestroyInterface().