reactos/drivers/network/tcpip/tcpip/iinfo.c

   1 /*
   2  * COPYRIGHT:   See COPYING in the top level directory
   3  * PROJECT:     ReactOS TCP/IP protocol driver
   4  * FILE:        tcpip/iinfo.c
   5  * PURPOSE:     Per-interface information.
   6  * PROGRAMMERS: Art Yerkes
   7  * REVISIONS:
   8  *   CSH 01/08-2000 Created
   9  */
  10
  11 #include "precomp.h"
  12
  13 #include <ipifcons.h>
  14
  15 /* See iptypes.h */
  16 #define MAX_ADAPTER_DESCRIPTION_LENGTH 128
  17
  18 TDI_STATUS InfoTdiQueryGetInterfaceMIB(TDIEntityID ID,
  19                                        PIP_INTERFACE Interface,
  20                                        PNDIS_BUFFER Buffer,
  21                                        PUINT BufferSize) {
  22     TDI_STATUS Status = TDI_INVALID_REQUEST;
  23     IFEntry* OutData;
  24     PLAN_ADAPTER IF;
  25     PCHAR IFDescr;
  26     ULONG Size;
  27     NDIS_STATUS NdisStatus;
  28
  29     if (!Interface)
  30         return TDI_INVALID_PARAMETER;
  31
  32     IF = (PLAN_ADAPTER)Interface->Context;
  33
  34     TI_DbgPrint(DEBUG_INFO,
  35                 ("Getting IFEntry MIB (IF %08x LA %08x) (%04x:%d)\n",
  36                  Interface, IF, ID.tei_entity, ID.tei_instance));
  37
  38     OutData = ExAllocatePoolWithTag( NonPagedPool, FIELD_OFFSET(IFEntry, if_descr[MAX_ADAPTER_DESCRIPTION_LENGTH + 1]), OUT_DATA_TAG );
  39
  40     if( !OutData ) return TDI_NO_RESOURCES; /* Out of memory */
  41
  42     RtlZeroMemory( OutData, FIELD_OFFSET(IFEntry, if_descr[MAX_ADAPTER_DESCRIPTION_LENGTH + 1]));
  43
  44     OutData->if_index = Interface->Index;
  45     /* viz: tcpip keeps those indices */
  46     OutData->if_type = Interface ==
  47         Loopback ? MIB_IF_TYPE_LOOPBACK : MIB_IF_TYPE_ETHERNET;
  48     OutData->if_mtu = Interface->MTU;
  49     TI_DbgPrint(DEBUG_INFO,
  50                 ("Getting interface speed\n"));
  51     OutData->if_physaddrlen = Interface->AddressLength;
  52     OutData->if_adminstatus = MIB_IF_ADMIN_STATUS_UP;
  53     /* NDIS_HARDWARE_STATUS -> ROUTER_CONNECTION_STATE */
  54     GetInterfaceConnectionStatus( Interface, &OutData->if_operstatus );
  55
  56     IFDescr = (PCHAR)&OutData->if_descr[0];
  57
  58     if( IF ) {
  59         GetInterfaceSpeed( Interface, (PUINT)&OutData->if_speed );
  60         TI_DbgPrint(DEBUG_INFO,
  61                     ("IF Speed = %d * 100bps\n", OutData->if_speed));
  62         memcpy(OutData->if_physaddr, Interface->Address, Interface->AddressLength);
  63         TI_DbgPrint(DEBUG_INFO, ("Got HWAddr\n"));
  64
  65         memcpy(&OutData->if_inoctets, &Interface->Stats, sizeof(SEND_RECV_STATS));
  66
  67         NdisStatus = NDISCall(IF,
  68                               NdisRequestQueryInformation,
  69                               OID_GEN_XMIT_ERROR,
  70                               &OutData->if_outerrors,
  71                               sizeof(ULONG));
  72         if (NdisStatus != NDIS_STATUS_SUCCESS)
  73             OutData->if_outerrors = 0;
  74
  75         TI_DbgPrint(DEBUG_INFO, ("OutErrors = %d\n", OutData->if_outerrors));
  76
  77         NdisStatus = NDISCall(IF,
  78                               NdisRequestQueryInformation,
  79                               OID_GEN_RCV_ERROR,
  80                               &OutData->if_inerrors,
  81                               sizeof(ULONG));
  82         if (NdisStatus != NDIS_STATUS_SUCCESS)
  83             OutData->if_inerrors = 0;
  84
  85         TI_DbgPrint(DEBUG_INFO, ("InErrors = %d\n", OutData->if_inerrors));
  86     }
  87
  88     GetInterfaceName( Interface, IFDescr, MAX_ADAPTER_DESCRIPTION_LENGTH );
  89
  90     TI_DbgPrint(DEBUG_INFO, ("Copied in name %s\n", IFDescr));
  91     OutData->if_descrlen = strlen(IFDescr);
  92     Size = FIELD_OFFSET(IFEntry, if_descr[OutData->if_descrlen + 1]);
  93
  94     TI_DbgPrint(DEBUG_INFO, ("Finished IFEntry MIB (%04x:%d) size %d\n",
  95                             ID.tei_entity, ID.tei_instance, Size));
  96
  97     Status = InfoCopyOut( (PCHAR)OutData, Size, Buffer, BufferSize );
  98     ExFreePoolWithTag( OutData, OUT_DATA_TAG );
  99
 100     TI_DbgPrint(DEBUG_INFO,("Returning %x\n", Status));
 101
 102     return Status;
 103 }
 104
 105 TDI_STATUS InfoTdiQueryGetArptableMIB(TDIEntityID ID,
 106                                       PIP_INTERFACE Interface,
 107                                       PNDIS_BUFFER Buffer,
 108                                       PUINT BufferSize) {
 109     NTSTATUS Status;
 110     ULONG NumNeighbors = NBCopyNeighbors( Interface, NULL );
 111     ULONG MemSize = NumNeighbors * sizeof(IPARP_ENTRY);
 112     PIPARP_ENTRY ArpEntries;
 113
 114     if (MemSize != 0)
 115     {
 116         ArpEntries = ExAllocatePoolWithTag( NonPagedPool, MemSize, ARP_ENTRY_TAG );
 117         if( !ArpEntries ) return STATUS_NO_MEMORY;
 118
 119         NBCopyNeighbors( Interface, ArpEntries );
 120
 121         Status = InfoCopyOut( (PVOID)ArpEntries, MemSize, Buffer, BufferSize );
 122
 123         ExFreePoolWithTag( ArpEntries, ARP_ENTRY_TAG );
 124     }
 125     else
 126     {
 127         Status = InfoCopyOut(NULL, 0, NULL, BufferSize);
 128     }
 129
 130     return Status;
 131 }
 132
 133 TDI_STATUS InfoTdiSetArptableMIB(PIP_INTERFACE IF, PVOID Buffer, UINT BufferSize)
 134 {
 135     PIPARP_ENTRY ArpEntry = Buffer;
 136     IP_ADDRESS Address;
 137     PNEIGHBOR_CACHE_ENTRY NCE;
 138
 139     if (!Buffer || BufferSize < sizeof(IPARP_ENTRY))
 140         return TDI_INVALID_PARAMETER;
 141
 142     AddrInitIPv4(&Address, ArpEntry->LogAddr);
 143
 144     if ((NCE = NBLocateNeighbor(&Address, IF)))
 145         NBRemoveNeighbor(NCE);
 146
 147     if (NBAddNeighbor(IF,
 148                       &Address,
 149                       ArpEntry->PhysAddr,
 150                       ArpEntry->AddrSize,
 151                       NUD_PERMANENT,
 152                       0))
 153         return TDI_SUCCESS;
 154     else
 155         return TDI_INVALID_PARAMETER;
 156 }
 157
 158 VOID InsertTDIInterfaceEntity( PIP_INTERFACE Interface ) {
 159     AddEntity(IF_ENTITY, Interface, IF_MIB);
 160
 161     AddEntity(AT_ENTITY, Interface,
 162               (Interface != Loopback) ? AT_ARP : AT_NULL);
 163
 164     /* FIXME: This is probably wrong */
 165     AddEntity(CL_NL_ENTITY, Interface, CL_NL_IP);
 166 }
 167
 168 VOID RemoveTDIInterfaceEntity( PIP_INTERFACE Interface ) {
 169     /* This removes all of them */
 170     RemoveEntityByContext(Interface);
 171 }