Source code of Windows XP (NT5)
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/*++
Copyright (c) 1995 Microsoft Corporation
Module Name:
mibif.c
Abstract:
The IPX MIB Base and Interface Functions
Author:
Stefan Solomon 03/22/1995
Revision History:
--*/
#include "precomp.h"
#pragma hdrstop
/*++
Function: MibGetIpxBase
Descr:
--*/
DWORD
MibGetIpxBase(PIPX_MIB_INDEX mip,
PIPXMIB_BASE BaseEntryp,
PULONG BaseEntrySize)
{
PICB icbp;
PACB acbp;
if((BaseEntryp == NULL) || (*BaseEntrySize < sizeof(IPXMIB_BASE))) {
*BaseEntrySize = sizeof(IPXMIB_BASE);
return ERROR_INSUFFICIENT_BUFFER;
}
ACQUIRE_DATABASE_LOCK;
BaseEntryp->OperState = OPER_STATE_UP;
// Router is Up -> check that we have the internal interface bound to the
// internal adapter.
if((InternalInterfacep == NULL) || (InternalAdapterp == NULL)) {
RELEASE_DATABASE_LOCK;
return ERROR_CAN_NOT_COMPLETE;
}
icbp = InternalInterfacep;
acbp = icbp->acbp;
memcpy(BaseEntryp->PrimaryNetNumber,
acbp->AdapterInfo.Network,
4);
memcpy(BaseEntryp->Node,
acbp->AdapterInfo.LocalNode,
6);
GetInterfaceAnsiName(BaseEntryp->SysName, icbp->InterfaceNamep);
BaseEntryp->MaxPathSplits = 1;
BaseEntryp->IfCount = InterfaceCount;
// fill in the dest count
BaseEntryp->DestCount = RtmGetNetworkCount(RTM_PROTOCOL_FAMILY_IPX);
// fill in the services count
BaseEntryp->ServCount = GetServiceCount();
RELEASE_DATABASE_LOCK;
return NO_ERROR;
}
VOID
GetMibInterface(PICB icbp,
PIPX_INTERFACE Ifp);
/*++
Function: MibGetIpxInterface
Descr:
--*/
DWORD
MibGetIpxInterface(PIPX_MIB_INDEX mip,
PIPX_INTERFACE Ifp,
PULONG IfSize)
{
PICB icbp;
if((Ifp == NULL) || (*IfSize < sizeof(IPX_INTERFACE))) {
*IfSize = sizeof(IPX_INTERFACE);
return ERROR_INSUFFICIENT_BUFFER;
}
Ifp->InterfaceIndex = mip->InterfaceTableIndex.InterfaceIndex;
ACQUIRE_DATABASE_LOCK;
if((icbp = GetInterfaceByIndex(Ifp->InterfaceIndex)) == NULL) {
RELEASE_DATABASE_LOCK;
return ERROR_INVALID_PARAMETER;
}
GetMibInterface(icbp, Ifp);
RELEASE_DATABASE_LOCK;
return NO_ERROR;
}
/*++
Function: MibGetFirstIpxInterface
Descr:
--*/
DWORD
MibGetFirstIpxInterface(PIPX_MIB_INDEX mip,
PIPX_INTERFACE Ifp,
PULONG IfSize)
{
PICB icbp;
if((Ifp == NULL) || (*IfSize < sizeof(IPX_INTERFACE))) {
*IfSize = sizeof(IPX_INTERFACE);
return ERROR_INSUFFICIENT_BUFFER;
}
ACQUIRE_DATABASE_LOCK;
if(IsListEmpty(&IndexIfList)) {
RELEASE_DATABASE_LOCK;
return ERROR_CAN_NOT_COMPLETE;
}
icbp = CONTAINING_RECORD(IndexIfList.Flink, ICB, IndexListLinkage);
GetMibInterface(icbp, Ifp);
RELEASE_DATABASE_LOCK;
return NO_ERROR;
}
/*++
Function: MibGetNextIpxInterface
Descr:
--*/
DWORD
MibGetNextIpxInterface(PIPX_MIB_INDEX mip,
PIPX_INTERFACE Ifp,
PULONG IfSize)
{
PICB icbp;
PLIST_ENTRY lep;
if((Ifp == NULL) || (*IfSize < sizeof(IPX_INTERFACE))) {
*IfSize = sizeof(IPX_INTERFACE);
return ERROR_INSUFFICIENT_BUFFER;
}
Ifp->InterfaceIndex = mip->InterfaceTableIndex.InterfaceIndex;
// scan the ordered interface list until we get to this interface or to
// an interface with a higher index (meaning this interface has been removed)
ACQUIRE_DATABASE_LOCK;
lep = IndexIfList.Flink;
while(lep != &IndexIfList) {
icbp = CONTAINING_RECORD(lep, ICB, IndexListLinkage);
if(Ifp->InterfaceIndex == icbp->InterfaceIndex) {
// found, get the next interface and return
if(icbp->IndexListLinkage.Flink == &IndexIfList) {
// this was the last entry in the list, stop here
RELEASE_DATABASE_LOCK;
return ERROR_NO_MORE_ITEMS;
}
icbp = CONTAINING_RECORD(icbp->IndexListLinkage.Flink,
ICB,
IndexListLinkage);
GetMibInterface(icbp, Ifp);
RELEASE_DATABASE_LOCK;
return NO_ERROR;
}
if(Ifp->InterfaceIndex < icbp->InterfaceIndex) {
// the interface has been removed. We return the next interface
// in the index order
GetMibInterface(icbp, Ifp);
RELEASE_DATABASE_LOCK;
return NO_ERROR;
}
else
{
lep = icbp->IndexListLinkage.Flink;
}
}
// didn't find anything
RELEASE_DATABASE_LOCK;
return ERROR_NO_MORE_ITEMS;
}
/*++
Function: MibSetIpxInterface
Descr: The SNMP manager can set the following parameters on an interface:
- AdminState
- NetbiosAccept
- NetbiosDeliver
--*/
DWORD
MibSetIpxInterface(PIPX_MIB_ROW MibRowp)
{
PIPX_INTERFACE Ifp;
FW_IF_INFO FwIfInfo;
PICB icbp;
Ifp = &MibRowp->Interface;
ACQUIRE_DATABASE_LOCK;
if((icbp = GetInterfaceByIndex(Ifp->InterfaceIndex)) == NULL) {
RELEASE_DATABASE_LOCK;
return ERROR_INVALID_PARAMETER;
}
// set the new states in the forwarder
FwIfInfo.NetbiosAccept = Ifp->NetbiosAccept;
FwIfInfo.NetbiosDeliver = Ifp->NetbiosDeliver;
FwSetInterface(icbp->InterfaceIndex, &FwIfInfo);
// if the current admin state doesn't match the new admin state, set the
// new admin state.
if(icbp->AdminState != Ifp->AdminState) {
if(Ifp->AdminState == ADMIN_STATE_ENABLED) {
AdminEnable(icbp);
}
else
{
AdminDisable(icbp);
}
}
RELEASE_DATABASE_LOCK;
return NO_ERROR;
}
/*++
Function: GetMibInterface
Descr: Gets the ipx mib interface data from the router manager
data structures.
Remark: Called only in critical section
--*/
VOID
GetMibInterface(PICB icbp,
PIPX_INTERFACE Ifp)
{
PACB acbp;
FW_IF_INFO FwIfInfo;
Ifp->InterfaceIndex = icbp->InterfaceIndex;
// get the forwarder interface data
FwGetInterface(icbp->InterfaceIndex,
&FwIfInfo,
&Ifp->IfStats);
Ifp->AdminState = icbp->AdminState;
Ifp->IfStats.IfOperState = icbp->OperState;
Ifp->NetbiosAccept = FwIfInfo.NetbiosAccept;
Ifp->NetbiosDeliver = FwIfInfo.NetbiosDeliver;
// fill in the rest from the icb
if(icbp->acbp) {
acbp = icbp->acbp;
Ifp->AdapterIndex = acbp->AdapterIndex;
Ifp->MediaType = acbp->AdapterInfo.NdisMedium;
if (Ifp->IfStats.IfOperState==OPER_STATE_UP) {
memcpy(Ifp->NetNumber, acbp->AdapterInfo.Network, 4);
memcpy(Ifp->MacAddress, acbp->AdapterInfo.LocalNode, 6);
if (acbp->AdapterInfo.LinkSpeed>0) {
ULONGLONG speed = 100i64*acbp->AdapterInfo.LinkSpeed;
if (speed<MAXLONG)
Ifp->Throughput = (ULONG)speed;
else
Ifp->Throughput = MAXLONG;
Ifp->Delay = (ULONG)(8000000i64/speed);
}
else {
Ifp->Delay = 0;
Ifp->Throughput = 0;
}
}
else {
memset(Ifp->NetNumber, 0 ,4);
memset(Ifp->MacAddress, 0, 4);
Ifp->Delay = 0;
Ifp->Throughput = 0;
}
// !!! fill in delay and throughput from link speed
}
else
{
Ifp->AdapterIndex = 0;
Ifp->MediaType = 0;
memset(Ifp->NetNumber, 0 ,4);
memset(Ifp->MacAddress, 0, 4);
Ifp->Delay = 0;
Ifp->Throughput = 0;
}
GetInterfaceAnsiName(Ifp->InterfaceName, icbp->InterfaceNamep);
Ifp->InterfaceType = icbp->MIBInterfaceType;
Ifp->EnableIpxWanNegotiation = icbp->EnableIpxWanNegotiation;
}