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windows-xp/Source/XPSP1/NT/net/atm/arp/atmarpc/arpcfg.c

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/*++
Copyright (c) 1996 Microsoft Corporation
Module Name:
arpcfg.c - Configuration routines
Abstract:
Routines to read in configuration information for the ATMARP client.
Revision History:
Who When What
-------- -------- ----------------------------------------------
arvindm 08-09-96 Created
Notes:
--*/
#include <precomp.h>
#define _FILENUMBER 'GFCA'
//
// Size of local temp buffer
//
#define WORK_BUF_SIZE 200
#define ASCII_TO_INT(val) \
( ( ((val) >= '0') && ('9' >= (val)) ) ? ((val) - '0') : \
( ((val) >= 'a') && ('z' >= (val)) ) ? ((val) - 'a' + 10) : \
( ((val) >= 'A') && ('Z' >= (val)) ) ? ((val) - 'A' + 10) : \
0 )
//
// Parameters for reading in a ULONG from configuration into an Interface
// structure.
//
typedef struct _AA_READ_CONFIG_PARAMS
{
ULONG StructOffset; // Offset of param from beginning of struct
PWCHAR ParameterName; // Name in config database
ULONG DefaultValue;
} AA_READ_CONFIG_PARAMS, *PAA_READ_CONFIG_PARAMS;
#define AA_MAKE_RCP(Off, Name, Dflt) \
{ Off, Name, Dflt }
#define LIS_CONFIG_ENTRY(Field, Name, Dflt) \
AA_MAKE_RCP(FIELD_OFFSET(struct _ATMARP_INTERFACE, Field), Name, Dflt)
#define AA_BANDWIDTH_UNSPECIFIED ((ULONG)-1)
#define AA_PACKET_SIZE_UNSPECIFIED ((ULONG)-1)
#define AA_MTU_UNSPECIFIED ((ULONG)-1)
#define AA_SPEED_UNSPECIFIED ((ULONG)-1)
//
// List of ULONG parameters for an LIS
//
AA_READ_CONFIG_PARAMS AtmArpLISConfigTable[] =
{
LIS_CONFIG_ENTRY(SapSelector, L"SapSelector", AA_DEF_SELECTOR_VALUE),
LIS_CONFIG_ENTRY(HeaderPool[AA_HEADER_TYPE_UNICAST].MaxHeaderBufs, L"MaxHeaderBufs", AA_DEF_MAX_HEADER_BUFFERS),
LIS_CONFIG_ENTRY(HeaderPool[AA_HEADER_TYPE_UNICAST].HeaderBufSize, L"HeaderBufSize", AA_PKT_LLC_SNAP_HEADER_LENGTH),
#ifdef IPMCAST
LIS_CONFIG_ENTRY(HeaderPool[AA_HEADER_TYPE_NUNICAST].MaxHeaderBufs, L"McastMaxHeaderBufs", AA_DEF_MAX_HEADER_BUFFERS),
LIS_CONFIG_ENTRY(HeaderPool[AA_HEADER_TYPE_NUNICAST].HeaderBufSize, L"McastHeaderBufSize", sizeof(AA_MC_PKT_TYPE1_SHORT_HEADER)),
#endif // IPMCAST
LIS_CONFIG_ENTRY(ProtocolBufSize, L"ProtocolBufSize", AA_DEF_PROTOCOL_BUFFER_SIZE),
LIS_CONFIG_ENTRY(MaxProtocolBufs, L"MaxProtocolBufs", AA_DEF_MAX_PROTOCOL_BUFFERS),
LIS_CONFIG_ENTRY(MTU, L"MTU", AA_MTU_UNSPECIFIED),
LIS_CONFIG_ENTRY(Speed, L"Speed", AA_SPEED_UNSPECIFIED),
LIS_CONFIG_ENTRY(PVCOnly, L"PVCOnly", AA_DEF_PVC_ONLY_VALUE),
LIS_CONFIG_ENTRY(ServerConnectInterval, L"ServerConnectInterval", AA_DEF_SERVER_CONNECT_INTERVAL),
LIS_CONFIG_ENTRY(ServerRegistrationTimeout, L"ServerRegistrationTimeout", AA_DEF_SERVER_REGISTRATION_TIMEOUT),
LIS_CONFIG_ENTRY(AddressResolutionTimeout, L"AddressResolutionTimeout", AA_DEF_ADDRESS_RESOLUTION_TIMEOUT),
LIS_CONFIG_ENTRY(ARPEntryAgingTimeout, L"ARPEntryAgingTimeout", AA_DEF_ARP_ENTRY_AGING_TIMEOUT),
LIS_CONFIG_ENTRY(InARPWaitTimeout, L"InARPWaitTimeout", AA_DEF_INARP_WAIT_TIMEOUT),
LIS_CONFIG_ENTRY(ServerRefreshTimeout, L"ServerRefreshTimeout", AA_DEF_SERVER_REFRESH_INTERVAL),
LIS_CONFIG_ENTRY(MinWaitAfterNak, L"MinWaitAfterNak", AA_DEF_MIN_WAIT_AFTER_NAK),
LIS_CONFIG_ENTRY(MaxRegistrationAttempts, L"MaxRegistrationAttempts", AA_DEF_MAX_REGISTRATION_ATTEMPTS),
LIS_CONFIG_ENTRY(MaxResolutionAttempts, L"MaxResolutionAttempts", AA_DEF_MAX_RESOLUTION_ATTEMPTS),
LIS_CONFIG_ENTRY(DefaultFlowSpec.SendPeakBandwidth, L"DefaultSendBandwidth", AA_BANDWIDTH_UNSPECIFIED),
LIS_CONFIG_ENTRY(DefaultFlowSpec.ReceivePeakBandwidth, L"DefaultReceiveBandwidth", AA_BANDWIDTH_UNSPECIFIED),
LIS_CONFIG_ENTRY(DefaultFlowSpec.SendMaxSize, L"DefaultSendMaxSize", AA_PACKET_SIZE_UNSPECIFIED),
LIS_CONFIG_ENTRY(DefaultFlowSpec.ReceiveMaxSize, L"DefaultReceiveMaxSize", AA_PACKET_SIZE_UNSPECIFIED),
LIS_CONFIG_ENTRY(DefaultFlowSpec.SendServiceType, L"DefaultServiceType", AA_DEF_FLOWSPEC_SERVICETYPE),
LIS_CONFIG_ENTRY(DefaultFlowSpec.AgingTime, L"DefaultVCAgingTimeout", AA_DEF_VC_AGING_TIMEOUT)
#ifdef IPMCAST
,
LIS_CONFIG_ENTRY(MARSConnectInterval, L"MARSConnectInterval", AA_DEF_SERVER_CONNECT_INTERVAL),
LIS_CONFIG_ENTRY(MARSRegistrationTimeout, L"MARSRegistrationTimeout", AA_DEF_SERVER_REGISTRATION_TIMEOUT),
LIS_CONFIG_ENTRY(MARSKeepAliveTimeout, L"MARSKeepAliveTimeout", AA_DEF_MARS_KEEPALIVE_TIMEOUT),
LIS_CONFIG_ENTRY(JoinTimeout, L"JoinTimeout", AA_DEF_MARS_JOIN_TIMEOUT),
LIS_CONFIG_ENTRY(LeaveTimeout, L"LeaveTimeout", AA_DEF_MARS_LEAVE_TIMEOUT),
LIS_CONFIG_ENTRY(MaxDelayBetweenMULTIs, L"MaxDelayBetweenMULTIs", AA_DEF_MULTI_TIMEOUT),
LIS_CONFIG_ENTRY(MulticastEntryAgingTimeout, L"MulticastEntryAgingTimeout", AA_DEF_MCAST_IP_ENTRY_AGING_TIMEOUT),
LIS_CONFIG_ENTRY(MinRevalidationDelay, L"MinMulticastRevalidationDelay", AA_DEF_MIN_MCAST_REVALIDATION_DELAY),
LIS_CONFIG_ENTRY(MaxRevalidationDelay, L"MaxMulticastRevalidationDelay", AA_DEF_MAX_MCAST_REVALIDATION_DELAY),
LIS_CONFIG_ENTRY(MinPartyRetryDelay, L"MinMulticastPartyRetryDelay", AA_DEF_MIN_MCAST_PARTY_RETRY_DELAY),
LIS_CONFIG_ENTRY(MaxPartyRetryDelay, L"MaxMulticastPartyRetryDelay", AA_DEF_MAX_MCAST_PARTY_RETRY_DELAY),
LIS_CONFIG_ENTRY(MaxJoinOrLeaveAttempts, L"MaxJoinLeaveAttempts", AA_DEF_MAX_JOIN_LEAVE_ATTEMPTS)
#endif // IPMCAST
};
//
// Size of above table.
//
#define LIS_CONFIG_ENTRIES \
sizeof(AtmArpLISConfigTable)/sizeof(AA_READ_CONFIG_PARAMS)
//
// Names of LIS parameters and subkey names that don't appear
// in the above table.
//
#define AA_LIS_IP_CONFIG_STRING L"IPConfig"
#define AA_LIS_ATMARP_SERVER_LIST_KEY L"ARPServerList"
#define AA_LIS_MARS_SERVER_LIST_KEY L"MARServerList"
#define AA_LIS_ATMARP_SERVER_ADDRESS L"AtmAddress"
#define AA_LIS_ATMARP_SERVER_SUBADDRESS L"AtmSubaddress"
#define AA_LIS_STATIC_ARP_LIST L"StaticArpList"
#ifdef DHCP_OVER_ATM
#define AA_LIS_DHCP_SERVER_ATM_ADDRESS L"DhcpServerAtmAddress"
#endif // DHCP_OVER_ATM
#ifdef QOS_HEURISTICS
#define AA_LIS_FLOW_INFO_KEY L"FlowInfo"
#define AA_LIS_FLOW_INFO_ENABLED L"FlowInfoEnabled"
#define FLOW_CONFIG_ENTRY(Field, Name, Dflt) \
AA_MAKE_RCP(FIELD_OFFSET(struct _ATMARP_FLOW_INFO, Field), Name, Dflt)
AA_READ_CONFIG_PARAMS AtmArpFlowConfigTable[] =
{
FLOW_CONFIG_ENTRY(PacketSizeLimit, L"PacketSizeLimit", AAF_DEF_LOWBW_SEND_THRESHOLD),
FLOW_CONFIG_ENTRY(FlowSpec.SendPeakBandwidth, L"SendBandwidth", AAF_DEF_LOWBW_SEND_BANDWIDTH),
FLOW_CONFIG_ENTRY(FlowSpec.ReceivePeakBandwidth, L"ReceiveBandwidth", AAF_DEF_LOWBW_RECV_BANDWIDTH),
FLOW_CONFIG_ENTRY(FlowSpec.SendServiceType, L"ServiceType", AAF_DEF_LOWBW_SERVICETYPE),
FLOW_CONFIG_ENTRY(FlowSpec.Encapsulation, L"Encapsulation", AAF_DEF_LOWBW_ENCAPSULATION),
FLOW_CONFIG_ENTRY(FlowSpec.AgingTime, L"AgingTime", AAF_DEF_LOWBW_AGING_TIME),
};
#define AA_FLOW_INFO_ENTRIES \
(sizeof(AtmArpFlowConfigTable)/sizeof(AA_READ_CONFIG_PARAMS))
#endif // QOS_HEURISTICS
EXTERN
NDIS_STATUS
AtmArpCfgReadAdapterConfiguration(
IN PATMARP_ADAPTER pAdapter
)
/*++
Routine Description:
Reads the following adapter configuration information from the
registry:
* pAdapter->ConfigString (MultiSz list of LISs for this adapter).
Arguments:
pAdapter - Points to our adapter structure.
Return Value:
NDIS Status code
--*/
{
NDIS_HANDLE ConfigHandle;
NDIS_STATUS Status;
PNDIS_STRING pConfigString = &pAdapter->ConfigString;
NdisOpenProtocolConfiguration(
&Status,
&ConfigHandle,
pConfigString
);
if (Status != NDIS_STATUS_SUCCESS)
{
ConfigHandle = NULL;
}
else
{
//
// Read in the IPConfig string. If this is not present,
// fail this call.
//
NDIS_STRING IPConfigName = NDIS_STRING_CONST("IPConfig");
PNDIS_CONFIGURATION_PARAMETER pParam;
NdisReadConfiguration(
&Status,
&pParam,
ConfigHandle,
&IPConfigName,
NdisParameterMultiString
);
if ((Status == NDIS_STATUS_SUCCESS) &&
(pParam->ParameterType == NdisParameterMultiString))
{
NDIS_STRING *pSrcString = &(pParam->ParameterData.StringData);
NDIS_STRING *pDestString = &(pAdapter->IPConfigString);
PWSTR Buffer = NULL;
AA_ALLOC_MEM(Buffer, WCHAR, pSrcString->Length*sizeof(*Buffer));
if (Buffer == NULL)
{
Status = NDIS_STATUS_RESOURCES;
}
else
{
AA_COPY_MEM(
Buffer,
pSrcString->Buffer,
pSrcString->Length
);
pDestString->Buffer = Buffer;
pDestString->Length = pSrcString->Length;
pDestString->MaximumLength = pSrcString->Length;
}
}
else
{
Status = NDIS_STATUS_FAILURE;
}
}
if (ConfigHandle != NULL)
{
NdisCloseConfiguration(ConfigHandle);
ConfigHandle = NULL;
}
AADEBUGP(AAD_VERY_LOUD,
("OpenAdapterConfig: pAdapter 0x%x, Status 0x%x\n",
pAdapter, Status));
return Status;
}
NDIS_HANDLE
AtmArpCfgOpenLISConfiguration(
IN PATMARP_ADAPTER pAdapter,
IN UINT LISNumber
#ifdef NEWARP
,
OUT PNDIS_STRING pIPConfigString
#endif // NEWARP
)
/*++
Routine Description:
Open and return a handle to the configuration section for the
given LIS.
Arguments:
pAdapter - Points to our adapter context.
LISNumber - The zero-based index for the LIS.
pIPConfigString - Place where we return the IP Configuration
string for this interface.
Return Value:
A valid handle if successful, NULL otherwise.
--*/
{
NDIS_HANDLE AdapterConfigHandle;
NDIS_HANDLE SubkeyHandle;
NDIS_STATUS Status;
NDIS_STRING KeyName;
#if DBG
SubkeyHandle = NULL;
#endif // DBG
do
{
NDIS_STRING String;
PWSTR p;
NDIS_HANDLE InterfaceConfigHandle;
NDIS_STRING OurSectionName = ATMARP_NAME_STRING;
ULONG i;
//
// Get the config string for the specified LIS.
//
for (i = 0, p = pAdapter->IPConfigString.Buffer;
(*p != L'\0') && (i < LISNumber);
i++)
{
NdisInitUnicodeString(&String, p);
p = (PWSTR)((PUCHAR)p + String.Length + sizeof(WCHAR));
}
if (*p == L'\0')
{
Status = NDIS_STATUS_FAILURE;
break;
}
NdisInitUnicodeString(pIPConfigString, p);
NdisOpenProtocolConfiguration(
&Status,
&InterfaceConfigHandle,
pIPConfigString
);
if (Status != NDIS_STATUS_SUCCESS)
{
break;
}
//
// Get to our configuration section for this interface.
//
NdisOpenConfigurationKeyByName(
&Status,
InterfaceConfigHandle,
&OurSectionName,
&SubkeyHandle
);
//
// We don't need the main Interface section open anymore.
//
NdisCloseConfiguration(InterfaceConfigHandle);
break;
}
while (FALSE);
AADEBUGP(AAD_VERY_LOUD,
("OpenLISConfiguration: LIS %d, Status 0x%x, subkey 0x%x\n",
LISNumber, Status, SubkeyHandle));
if (Status == NDIS_STATUS_SUCCESS)
{
return (SubkeyHandle);
}
else
{
return (NULL);
}
}
NDIS_HANDLE
AtmArpCfgOpenLISConfigurationByName(
IN PATMARP_ADAPTER pAdapter,
IN PNDIS_STRING pIPConfigString
)
/*++
Routine Description:
Open and return a handle to the configuration section for the
given LIS. Same functionality as AtmArpCfgOpenLISConfiguration, except
that we look up the adapter based on the config string.
Arguments:
pAdapter - Points to our adapter context.
pIPConfigString - Specifies the configuration registry
key name.
Return Value:
A valid handle if successful, NULL otherwise.
--*/
{
NDIS_HANDLE AdapterConfigHandle;
NDIS_HANDLE SubkeyHandle;
NDIS_STATUS Status;
NDIS_STRING KeyName;
#if DBG
SubkeyHandle = NULL;
#endif // DBG
do
{
NDIS_HANDLE InterfaceConfigHandle;
NDIS_STRING OurSectionName = ATMARP_NAME_STRING;
NdisOpenProtocolConfiguration(
&Status,
&InterfaceConfigHandle,
pIPConfigString
);
if (Status != NDIS_STATUS_SUCCESS)
{
break;
}
//
// Get to our configuration section for this interface.
//
NdisOpenConfigurationKeyByName(
&Status,
InterfaceConfigHandle,
&OurSectionName,
&SubkeyHandle
);
//
// We don't need the main Interface section open anymore.
//
NdisCloseConfiguration(InterfaceConfigHandle);
break;
}
while (FALSE);
AADEBUGP(AAD_VERY_LOUD,
("OpenLISConfigurationByName: Status 0x%x, subkey 0x%x\n",
Status, SubkeyHandle));
if (Status == NDIS_STATUS_SUCCESS)
{
return (SubkeyHandle);
}
else
{
return (NULL);
}
}
VOID
AtmArpCfgCloseLISConfiguration(
NDIS_HANDLE LISConfigHandle
)
/*++
Routine Description:
Close a configuration handle for an LIS.
Arguments:
LISConfigHandle - Handle to the LIS configuration section.
Return Value:
None
--*/
{
NdisCloseConfiguration(LISConfigHandle);
}
NDIS_STATUS
AtmArpCfgReadLISConfiguration(
IN NDIS_HANDLE LISConfigHandle,
IN PATMARP_INTERFACE pInterface
)
/*++
Routine Description:
Get all configuration parameters for the specified LIS. We first
fill in all configurable parameters with default values, and then
overwrite them with values from the configuration database.
Arguments:
LISComfigHandle - the handle returned by AtmArpOpenLISConfiguration
pInterface - the ATMARP Interface structure for this LIS.
Return Value:
NDIS_STATUS_SUCCESS if we were able to read in all config info.
NDIS_STATUS_RESOURCES if we came across an allocation failure.
NDIS_STATUS_FAILURE for any other kind of error.
--*/
{
NDIS_STATUS Status;
PAA_READ_CONFIG_PARAMS pParamEntry;
ULONG i;
PATM_SAP pAtmSap;
PATM_ADDRESS pAtmAddress; // SAP address
NDIS_STRING ParameterName;
PNDIS_CONFIGURATION_PARAMETER pNdisConfigurationParameter;
do
{
//
// Read in all the ULONGs first.
//
pParamEntry = AtmArpLISConfigTable;
for (i = 0; i < LIS_CONFIG_ENTRIES; i++)
{
NdisInitUnicodeString(
&ParameterName,
pParamEntry->ParameterName
);
NdisReadConfiguration(
&Status,
&pNdisConfigurationParameter,
LISConfigHandle,
&ParameterName,
NdisParameterInteger
);
if (Status != NDIS_STATUS_SUCCESS)
{
//
// Error in accessing this parameter -- use the default.
//
*(ULONG *)((PUCHAR)pInterface + pParamEntry->StructOffset) =
pParamEntry->DefaultValue;
}
else
{
*(ULONG *)((PUCHAR)pInterface + pParamEntry->StructOffset) =
pNdisConfigurationParameter->ParameterData.IntegerData;
}
pParamEntry++;
}
//
// Postprocessing. Sanity checks on some values.
// Round up some sizes to make them multiples of 4.
//
pInterface->ProtocolBufSize = ROUND_TO_8_BYTES(pInterface->ProtocolBufSize);
pInterface->HeaderPool[AA_HEADER_TYPE_UNICAST].HeaderBufSize = ROUND_UP(pInterface->HeaderPool[AA_HEADER_TYPE_UNICAST].HeaderBufSize);
#ifdef IPMCAST
pInterface->HeaderPool[AA_HEADER_TYPE_NUNICAST].HeaderBufSize = ROUND_UP(pInterface->HeaderPool[AA_HEADER_TYPE_NUNICAST].HeaderBufSize);
#endif // IPMCAST
//
// More postprocessing: use the SAP Selector value to set up our
// "basic" listening SAP.
//
pInterface->SapList.pInterface = pInterface;
pInterface->SapList.Flags = AA_SAP_REG_STATE_IDLE;
pInterface->SapList.pInfo->SapType = SAP_TYPE_NSAP;
pInterface->SapList.pInfo->SapLength = sizeof(ATM_SAP) + sizeof(ATM_ADDRESS);
pAtmSap = (PATM_SAP)(pInterface->SapList.pInfo->Sap);
AA_COPY_MEM((PUCHAR)&(pAtmSap->Blli), &AtmArpDefaultBlli, sizeof(ATM_BLLI_IE));
AA_COPY_MEM((PUCHAR)&(pAtmSap->Bhli), &AtmArpDefaultBhli, sizeof(ATM_BHLI_IE));
pAtmSap->NumberOfAddresses = 1;
pAtmAddress = (PATM_ADDRESS)pAtmSap->Addresses;
pAtmAddress->AddressType = SAP_FIELD_ANY_AESA_REST;
pAtmAddress->NumberOfDigits = ATM_ADDRESS_LENGTH;
pAtmAddress->Address[ATM_ADDRESS_LENGTH-1] = (UCHAR)(pInterface->SapSelector);
pInterface->NumberOfSaps = 1;
//
// If the MTU wasn't specified, get it from the adapter.
//
if (pInterface->MTU == AA_MTU_UNSPECIFIED)
{
pInterface->MTU = pInterface->pAdapter->MaxPacketSize - AA_PKT_LLC_SNAP_HEADER_LENGTH;
}
else
{
//
// If the MTU value isn't within bounds, default to 9180 bytes.
//
if ((pInterface->MTU < 9180) || (pInterface->MTU > 65535 - 8))
{
pInterface->MTU = 9180;
}
}
//
// If the I/F speed wasn't specified, get it from the adapter.
//
if (pInterface->Speed == AA_SPEED_UNSPECIFIED)
{
//
// Convert from bytes/sec to bits/sec
//
pInterface->Speed = (pInterface->pAdapter->LineRate.Outbound * 8);
}
//
// Set up default flow parameters, if not specified, from the values
// we got from the adapter.
//
if (pInterface->DefaultFlowSpec.SendPeakBandwidth == AA_BANDWIDTH_UNSPECIFIED)
{
pInterface->DefaultFlowSpec.SendPeakBandwidth = pInterface->pAdapter->LineRate.Outbound;
pInterface->DefaultFlowSpec.SendAvgBandwidth = pInterface->pAdapter->LineRate.Outbound;
}
if (pInterface->DefaultFlowSpec.ReceivePeakBandwidth == AA_BANDWIDTH_UNSPECIFIED)
{
pInterface->DefaultFlowSpec.ReceivePeakBandwidth = pInterface->pAdapter->LineRate.Inbound;
pInterface->DefaultFlowSpec.ReceiveAvgBandwidth = pInterface->pAdapter->LineRate.Inbound;
}
if (pInterface->DefaultFlowSpec.SendMaxSize == AA_PACKET_SIZE_UNSPECIFIED)
{
pInterface->DefaultFlowSpec.SendMaxSize = pInterface->MTU + AA_PKT_LLC_SNAP_HEADER_LENGTH;
}
if (pInterface->DefaultFlowSpec.ReceiveMaxSize == AA_PACKET_SIZE_UNSPECIFIED)
{
pInterface->DefaultFlowSpec.ReceiveMaxSize = pInterface->MTU + AA_PKT_LLC_SNAP_HEADER_LENGTH;
}
pInterface->DefaultFlowSpec.Encapsulation = AA_DEF_FLOWSPEC_ENCAPSULATION;
pInterface->DefaultFlowSpec.SendServiceType =
pInterface->DefaultFlowSpec.ReceiveServiceType = SERVICETYPE_BESTEFFORT;
#ifndef NEWARP
//
// Get IP's ConfigName string for this interface.
//
NdisInitUnicodeString(&ParameterName, AA_LIS_IP_CONFIG_STRING);
NdisReadConfiguration(
&Status,
&pNdisConfigurationParameter,
LISConfigHandle,
&ParameterName,
NdisParameterString
);
if (Status != NDIS_STATUS_SUCCESS)
{
AADEBUGP(AAD_ERROR,
("Failed to read IP Config string, status 0x%x\n", Status));
break;
}
//
// Copy the string into our IF structure.
//
pInterface->IPConfigString.Length =
pNdisConfigurationParameter->ParameterData.StringData.Length;
AA_COPY_MEM(
pInterface->IPConfigString.Buffer,
pNdisConfigurationParameter->ParameterData.StringData.Buffer,
pInterface->IPConfigString.Length);
#endif // !NEWARP
//
// Get the list of ARP servers: go to the subkey containing the
// list.
//
if (!pInterface->PVCOnly)
{
AtmArpCfgReadAtmAddressList(
&(pInterface->ArpServerList),
AA_LIS_ATMARP_SERVER_LIST_KEY,
LISConfigHandle
);
if (pInterface->ArpServerList.ListSize == 0)
{
//
// Assume PVC only environment.
//
pInterface->PVCOnly = TRUE;
AADEBUGP(AAD_INFO, ("IF 0x%x set to PVC Only\n", pInterface));
}
#ifdef IPMCAST
if (!pInterface->PVCOnly)
{
AtmArpCfgReadAtmAddressList(
&(pInterface->MARSList),
AA_LIS_MARS_SERVER_LIST_KEY,
LISConfigHandle
);
}
#endif // IPMCAST
}
//
// Get any additional SAPs we are configured with. It doesn't matter
// if none are configured.
//
(VOID) AtmArpCfgReadSAPList(
pInterface,
LISConfigHandle
);
#ifdef DHCP_OVER_ATM
//
// Get the ATM Address of the DHCP Server, if configured.
//
Status = AtmArpCfgReadAtmAddress(
LISConfigHandle,
&(pInterface->DhcpServerAddress),
AA_LIS_DHCP_SERVER_ATM_ADDRESS
);
if (Status == NDIS_STATUS_SUCCESS)
{
pInterface->DhcpEnabled = TRUE;
}
#endif // DHCP_OVER_ATM
#ifdef QOS_HEURISTICS
//
// Read in QOS Heuristics, if present.
//
Status = AtmArpCfgReadQosHeuristics(
LISConfigHandle,
pInterface
);
#endif // QOS_HEURISTICS
//
// Read in static IP-ATM entries, if present.
//
AtmArpCfgReadStaticArpEntries(
LISConfigHandle,
pInterface
);
Status = NDIS_STATUS_SUCCESS;
break;
}
while (FALSE);
return (Status);
}
VOID
AtmArpCfgReadAtmAddressList(
IN OUT PATMARP_SERVER_LIST pServerList,
IN PWCHAR pListKeyName,
IN NDIS_HANDLE LISConfigHandle
)
/*++
Routine Description:
Read in a Server list for an LIS from the configuration database.
Notes:
In the first implementation, we had subkeys for everything. The
layout was:
ARPServerList\Server1\AtmAddress - REG_SZ
ARPServerList\Server2\AtmAddress - REG_SZ
and so on.
To simplify, we are changing this to:
ARPServerList - REG_MULTI_SZ, containing multiple
ATM Address strings.
Arguments:
pServerList - The list to be read into.
pListKeyName - Name of key under which the list is present.
LISConfigHandle - Handle to LIS configuration key.
Return Value:
None.
SIDE EFFECT: *pServerList is updated.
--*/
{
NDIS_HANDLE SubkeyHandle; // Handle for Server list subkey
NDIS_HANDLE ServerEntryKeyHandle;
NDIS_STATUS Status;
PATMARP_SERVER_ENTRY pServerEntry;
PATMARP_SERVER_ENTRY * ppNext; // Used for linking entries.
NDIS_STRING SubkeyName;
INT ReadCount;
//
// Try the simplified (see Routine Description above) way first.
// Just open the given key name as a REG_MULTI_SZ.
//
do
{
PNDIS_CONFIGURATION_PARAMETER pParam;
NDIS_STRING AddressListName;
NDIS_STRING AddressString;
PWSTR p;
INT i;
ReadCount = 0; // How many did we read here?
//
// Read all server addresses configured. Stop only when there are
// no more addresses, or we have a resource failure.
//
// First, go to the end of the existing list.
//
ppNext = &(pServerList->pList);
while (*ppNext != NULL_PATMARP_SERVER_ENTRY)
{
ppNext = &((*ppNext)->pNext);
}
NdisInitUnicodeString(&AddressListName, pListKeyName);
NdisReadConfiguration(
&Status,
&pParam,
LISConfigHandle,
&AddressListName,
NdisParameterMultiString
);
if ((Status != NDIS_STATUS_SUCCESS) ||
(pParam->ParameterType != NdisParameterMultiString))
{
Status = NDIS_STATUS_FAILURE;
break;
}
//
// Go through the MULTI-string, each of which should be
// an ATM address. Allocate a server entry for each and
// link it to the list of servers.
//
for (p = pParam->ParameterData.StringData.Buffer, i = 0;
*p != L'\0';
i++)
{
NdisInitUnicodeString(&AddressString, p);
p = (PWSTR)((PUCHAR)p + AddressString.Length + sizeof(WCHAR));
AA_ALLOC_MEM(pServerEntry, ATMARP_SERVER_ENTRY, sizeof(ATMARP_SERVER_ENTRY));
if (pServerEntry == NULL_PATMARP_SERVER_ENTRY)
{
Status = NDIS_STATUS_RESOURCES;
break;
}
AA_SET_MEM(pServerEntry, 0, sizeof(ATMARP_SERVER_ENTRY));
NdisConvertStringToAtmAddress(
&Status,
&AddressString,
&pServerEntry->ATMAddress
);
if (Status == NDIS_STATUS_SUCCESS)
{
//
// Link this entry to the list of ARP Server entries.
//
*ppNext = pServerEntry;
ppNext = &(pServerEntry->pNext);
pServerList->ListSize++;
ReadCount++;
}
else
{
AA_FREE_MEM(pServerEntry);
}
}
//
// Fix up the status so we know what to do next.
//
if (ReadCount != 0)
{
//
// Successfully read in atleast one.
//
Status = NDIS_STATUS_SUCCESS;
}
else
{
Status = NDIS_STATUS_FAILURE;
}
break;
}
while (FALSE);
if (ReadCount != 0)
{
return;
}
//
// For backward compatibility, try the older method.
//
do
{
NdisInitUnicodeString(&SubkeyName, pListKeyName);
NdisOpenConfigurationKeyByName(
&Status,
LISConfigHandle,
&SubkeyName,
&SubkeyHandle
);
if (Status != NDIS_STATUS_SUCCESS)
{
break;
}
//
// Read all server addresses configured. Stop only when there are
// no more addresses, or we have a resource failure.
//
// First, go to the end of the existing list.
//
ppNext = &(pServerList->pList);
while (*ppNext != NULL_PATMARP_SERVER_ENTRY)
{
ppNext = &((*ppNext)->pNext);
}
for (;;)
{
NdisOpenConfigurationKeyByIndex(
&Status,
SubkeyHandle,
pServerList->ListSize,
&SubkeyName,
&ServerEntryKeyHandle
);
if (Status != NDIS_STATUS_SUCCESS)
{
break;
}
AA_ALLOC_MEM(pServerEntry, ATMARP_SERVER_ENTRY, sizeof(ATMARP_SERVER_ENTRY));
if (pServerEntry == NULL_PATMARP_SERVER_ENTRY)
{
NdisCloseConfiguration(ServerEntryKeyHandle);
Status = NDIS_STATUS_RESOURCES;
break;
}
AA_SET_MEM(pServerEntry, 0, sizeof(ATMARP_SERVER_ENTRY));
Status = AtmArpCfgReadAtmAddress(
ServerEntryKeyHandle,
&(pServerEntry->ATMAddress),
AA_LIS_ATMARP_SERVER_ADDRESS
);
if (Status != NDIS_STATUS_SUCCESS)
{
AADEBUGP(AAD_ERROR,
("ReadAtmAddressList: bad status 0x%x reading server entry %d\n",
Status,
pServerList->ListSize));
NdisCloseConfiguration(ServerEntryKeyHandle);
AA_FREE_MEM(pServerEntry);
Status = NDIS_STATUS_FAILURE;
break;
}
Status = AtmArpCfgReadAtmAddress(
ServerEntryKeyHandle,
&(pServerEntry->ATMSubaddress),
AA_LIS_ATMARP_SERVER_SUBADDRESS
);
if (Status != NDIS_STATUS_SUCCESS)
{
AADEBUGP(AAD_ERROR,
("ReadAtmAddressList: bad status 0x%x reading server entry %d\n",
Status,
pServerList->ListSize));
NdisCloseConfiguration(ServerEntryKeyHandle);
AA_FREE_MEM(pServerEntry);
Status = NDIS_STATUS_FAILURE;
break;
}
//
// Link this entry to the list of ARP Server entries.
//
*ppNext = pServerEntry;
ppNext = &(pServerEntry->pNext);
pServerList->ListSize++;
NdisCloseConfiguration(ServerEntryKeyHandle);
}
NdisCloseConfiguration(SubkeyHandle);
break;
}
while (FALSE);
return;
}
NDIS_STATUS
AtmArpCfgReadSAPList(
IN PATMARP_INTERFACE pInterface,
IN NDIS_HANDLE LISConfigHandle
)
/*++
Routine Description:
Read in any additional SAPs we are configured to listen on. These are
used to support additional services over the IP/ATM client, that may be
accessible via SAP information that is different from the "basic" SAP
we register on an interface. For example, "well-known" address.
Arguments:
pInterface - Pointer to ATMARP Interface structure for this LIS
LISConfigHandle - Handle to LIS configuration key.
Return Value:
For now, NDIS_STATUS_SUCCESS always.
--*/
{
NDIS_STATUS Status;
Status = NDIS_STATUS_SUCCESS;
// TBD -- code AtmArpCfgReadSAPList
return (Status);
}
//
// Special characters in ATM address string stored in config database.
//
#define BLANK_CHAR L' '
#define PUNCTUATION_CHAR L'.'
#define E164_START_CHAR L'+'
NDIS_STATUS
AtmArpCfgReadAtmAddress(
IN NDIS_HANDLE ConfigHandle,
IN PATM_ADDRESS pAtmAddress,
IN PWCHAR pValueName
)
/*++
Routine Description:
Read in an ATM Address from the configuration database.
Arguments:
ConfigHandle - Handle returned by NdisOpenProtoXXX
pAtmAddress - where to read in the ATM address
pValueName - Pointer to name of value key.
Return Value:
NDIS_STATUS_SUCCESS if the value was read in successfully
NDIS_STATUS_FILE_NOT_FOUND if the value was not found
NDIS_STATUS_FAILURE on any other kind of failure
--*/
{
NDIS_STRING ParameterName;
PNDIS_CONFIGURATION_PARAMETER pNdisConfigurationParameter;
NDIS_STATUS Status;
NdisInitUnicodeString(&ParameterName, pValueName);
NdisReadConfiguration(
&Status,
&pNdisConfigurationParameter,
ConfigHandle,
&ParameterName,
NdisParameterString
);
if (Status == NDIS_STATUS_SUCCESS)
{
NdisConvertStringToAtmAddress(
&Status,
&(pNdisConfigurationParameter->ParameterData.StringData),
pAtmAddress
);
}
return (Status);
}
#ifdef QOS_HEURISTICS
NDIS_STATUS
AtmArpCfgReadQosHeuristics(
IN NDIS_HANDLE LISConfigHandle,
IN PATMARP_INTERFACE pInterface
)
/*++
Routine Description:
Read in QoS heuristics configured for this interface. If we do find
these parameters configured, we turn on heuristics by setting the
packet classification handlers in the Interface structure. If nothing
is configured, the packet classification routines are NULLed out, and
all data is "best effort".
Arguments:
LISConfigHandle - Handle returned by NdisOpenProtoXXX
pInterface - Interface being configured.
Return Value:
NDIS_STATUS always, as of now.
--*/
{
NDIS_STATUS Status;
NDIS_STRING SubkeyName;
NDIS_STRING ParameterName;
NDIS_HANDLE FlowInfoHandle; // "FlowInfo" under LIS
NDIS_HANDLE FlowHandle; // For each Flow under "FlowInfo"
INT NumFlowsConfigured;
PATMARP_FLOW_INFO pFlowInfo;
PATMARP_FLOW_INFO *ppNextFlow;
PAA_READ_CONFIG_PARAMS pParamEntry;
INT i;
PNDIS_CONFIGURATION_PARAMETER pNdisConfigurationParameter;
NumFlowsConfigured = 0;
do
{
//
// Check if QoS heuristics are enabled.
//
NdisInitUnicodeString(
&ParameterName,
AA_LIS_FLOW_INFO_ENABLED
);
NdisReadConfiguration(
&Status,
&pNdisConfigurationParameter,
LISConfigHandle,
&ParameterName,
NdisParameterInteger
);
if (Status != NDIS_STATUS_SUCCESS)
{
AADEBUGP(AAD_INFO, ("IF 0x%x: could not read %ws\n",
pInterface, AA_LIS_FLOW_INFO_ENABLED));
break;
}
if (pNdisConfigurationParameter->ParameterData.IntegerData == 0)
{
AADEBUGP(AAD_INFO, ("IF 0x%x: Flow Info disabled\n", pInterface));
break;
}
NdisInitUnicodeString(&SubkeyName, AA_LIS_FLOW_INFO_KEY);
NdisOpenConfigurationKeyByName(
&Status,
LISConfigHandle,
&SubkeyName,
&FlowInfoHandle
);
if (Status != NDIS_STATUS_SUCCESS)
{
AADEBUGP(AAD_INFO, ("IF 0x%x: No flows configured\n", pInterface));
break;
}
//
// Read in all flows configured. Stop when there are no more
// configured flows, or we run out of memory.
//
for (;;)
{
//
// Open the next key under the Flow Info section.
//
AA_SET_MEM(&SubkeyName, 0, sizeof(SubkeyName));
NdisOpenConfigurationKeyByIndex(
&Status,
FlowInfoHandle,
NumFlowsConfigured,
&SubkeyName,
&FlowHandle
);
if (Status != NDIS_STATUS_SUCCESS)
{
break;
}
AA_ALLOC_MEM(pFlowInfo, ATMARP_FLOW_INFO, sizeof(ATMARP_FLOW_INFO));
if (pFlowInfo == (PATMARP_FLOW_INFO)NULL)
{
NdisCloseConfiguration(FlowHandle);
break;
}
//
// Initialize with defaults.
//
AA_COPY_MEM(pFlowInfo, &AtmArpDefaultFlowInfo, sizeof(ATMARP_FLOW_INFO));
pFlowInfo->FlowSpec.SendMaxSize =
pFlowInfo->FlowSpec.ReceiveMaxSize = pInterface->pAdapter->MaxPacketSize;
//
// Read in configured values.
//
pParamEntry = AtmArpFlowConfigTable;
for (i = 0; i < AA_FLOW_INFO_ENTRIES; i++)
{
NdisInitUnicodeString(
&ParameterName,
pParamEntry->ParameterName
);
NdisReadConfiguration(
&Status,
&pNdisConfigurationParameter,
FlowHandle,
&ParameterName,
NdisParameterInteger
);
if (Status != NDIS_STATUS_SUCCESS)
{
//
// Error in accessing this parameter -- use the default.
//
*(ULONG *)((PUCHAR)pFlowInfo + pParamEntry->StructOffset) =
pParamEntry->DefaultValue;
}
else
{
*(ULONG *)((PUCHAR)pFlowInfo + pParamEntry->StructOffset) =
pNdisConfigurationParameter->ParameterData.IntegerData;
AADEBUGP(AAD_LOUD,
("Flow Info #%d: %ws = %d\n",
NumFlowsConfigured,
pParamEntry->ParameterName,
pNdisConfigurationParameter->ParameterData.IntegerData));
}
pParamEntry++;
}
NdisCloseConfiguration(FlowHandle);
//
// Link this in the appropriate point in the list of flows.
// We keep the list sorted in ascending order of PacketSizeLimit.
//
ppNextFlow = &(pInterface->pFlowInfoList);
while (*ppNextFlow != (PATMARP_FLOW_INFO)NULL)
{
if (pFlowInfo->PacketSizeLimit < (*ppNextFlow)->PacketSizeLimit)
{
//
// Found the place.
//
break;
}
else
{
ppNextFlow = &((*ppNextFlow)->pNextFlow);
}
}
//
// Insert the new Flow at its designated place.
//
pFlowInfo->pNextFlow = *ppNextFlow;
*ppNextFlow = pFlowInfo;
NumFlowsConfigured ++;
}
NdisCloseConfiguration(FlowInfoHandle);
}
while (FALSE);
#ifdef GPC
if (pAtmArpGlobalInfo->GpcClientHandle != NULL)
#else
if (NumFlowsConfigured > 0)
#endif // GPC
{
//
// Set the packet classification handlers.
//
pInterface->pGetPacketSpecFunc = AtmArpQosGetPacketSpecs;
pInterface->pFlowMatchFunc = AtmArpQosDoFlowsMatch;
#ifndef GPC
//
// We don't want to look at patterns within the packet.
// Let the GPC do it for us.
//
pInterface->pFilterMatchFunc = AtmArpQosDoFiltersMatch;
#endif // GPC
}
return (NDIS_STATUS_SUCCESS);
}
#endif // QOS_HEURISTICS
VOID
AtmArpCfgReadStaticArpEntries(
IN NDIS_HANDLE LISConfigHandle,
IN PATMARP_INTERFACE pInterface
)
/*++
Routine Description:
Read in a list of IP-ATM mappings for this interface.
This information is in a Multi-string in the following format:
"<IPaddress1>-<ATMaddress1>
<IPaddress2>-<ATMaddress2>
...."
NOTE: we don't support subaddress for now.
Arguments:
LISConfigHandle - Handle to LIS configuration key.
pInterface - Pointer to interface
Return Value:
None.
--*/
{
NDIS_STATUS Status;
PNDIS_CONFIGURATION_PARAMETER pParam;
NDIS_STRING ArpListKeyName;
NDIS_STRING AddressString;
ATM_ADDRESS ATMAddress;
IP_ADDRESS IPAddress;
PWSTR p, q;
INT i, j;
do
{
NdisInitUnicodeString(&ArpListKeyName, AA_LIS_STATIC_ARP_LIST);
NdisReadConfiguration(
&Status,
&pParam,
LISConfigHandle,
&ArpListKeyName,
NdisParameterMultiString
);
if ((Status != NDIS_STATUS_SUCCESS) ||
(pParam->ParameterType != NdisParameterMultiString))
{
break;
}
//
// Go through the MULTI-string, each of which should be
// an <IP, ATM> tuple. Create a static mapping for each
// one successfully read in. Skip invalid entries.
//
for (p = pParam->ParameterData.StringData.Buffer, i = 0;
*p != L'\0';
i++)
{
NdisInitUnicodeString(&AddressString, p);
q = p;
//
// Prepare early for the next iteration in case we
// skip this entry and continue on.
//
p = (PWSTR)((PUCHAR)p + AddressString.Length + sizeof(WCHAR));
//
// Find the '-' and replace it with a NULL char.
//
for (j = 0; j < AddressString.Length; j++, q++)
{
if (*q == L'-')
{
*q++ = L'\0';
//
// q now points to the character following the hyphen.
//
break;
}
}
if (j == AddressString.Length)
{
AADEBUGP(AAD_WARNING, ("CfgReadStatic..: did not find - in string: %ws\n",
AddressString.Buffer));
continue;
}
//
// Parse the IP address first.
//
if (!AtmArpConvertStringToIPAddress(
AddressString.Buffer,
&IPAddress))
{
AADEBUGP(AAD_WARNING, ("CfgReadStatic..: bad IP addr string: %ws\n",
AddressString.Buffer));
continue;
}
//
// Convert to net-endian for the call to AtmArpLearnIPToAtm.
//
IPAddress = HOST_TO_NET_LONG(IPAddress);
//
// Now parse the ATM Address.
//
NdisInitUnicodeString(&AddressString, q);
NdisConvertStringToAtmAddress(
&Status,
&AddressString,
&ATMAddress
);
if (Status != NDIS_STATUS_SUCCESS)
{
AADEBUGP(AAD_WARNING, ("CfgReadStatic...: Status %x, bad ATM addr string(%d): %ws\n",
Status, AddressString.Length, AddressString.Buffer));
continue;
}
//
// Got a pair - enter them in the ARP table.
//
AADEBUGPMAP(AAD_VERY_LOUD,
"Static", &IPAddress, &ATMAddress);
(VOID)AtmArpLearnIPToAtm(
pInterface,
&IPAddress,
(UCHAR)AA_PKT_ATM_ADDRESS_TO_TYPE_LEN(&ATMAddress),
(PUCHAR)&ATMAddress.Address[0],
(UCHAR)0, // no subaddress
(PUCHAR)NULL,
TRUE // Static Entry
);
}
}
while (FALSE);
return;
}
#define IP_ADDRESS_STRING_LENGTH (16+2) // +2 for double NULL on MULTI_SZ
BOOLEAN
AtmArpConvertStringToIPAddress(
IN PWCHAR AddressString,
OUT PULONG IpAddress
)
/*++
Routine Description
This function converts an Internet standard 4-octet dotted decimal
IP address string into a numeric IP address. Unlike inet_addr(), this
routine does not support address strings of less than 4 octets nor does
it support octal and hexadecimal octets.
Copied from tcpip\ip\ntip.c
Arguments
AddressString - IP address in dotted decimal notation
IpAddress - Pointer to a variable to hold the resulting address
Return Value:
TRUE if the address string was converted. FALSE otherwise.
--*/
{
UNICODE_STRING unicodeString;
STRING aString;
UCHAR dataBuffer[IP_ADDRESS_STRING_LENGTH];
NTSTATUS status;
PUCHAR addressPtr, cp, startPointer, endPointer;
ULONG digit, multiplier;
INT i;
aString.Length = 0;
aString.MaximumLength = IP_ADDRESS_STRING_LENGTH;
aString.Buffer = dataBuffer;
NdisInitUnicodeString(&unicodeString, AddressString);
status = NdisUnicodeStringToAnsiString(
&aString,
&unicodeString
);
if (status != NDIS_STATUS_SUCCESS)
{
return(FALSE);
}
*IpAddress = 0;
addressPtr = (PUCHAR) IpAddress;
startPointer = dataBuffer;
endPointer = dataBuffer;
i = 3;
while (i >= 0)
{
//
// Collect the characters up to a '.' or the end of the string.
//
while ((*endPointer != '.') && (*endPointer != '\0')) {
endPointer++;
}
if (startPointer == endPointer) {
return(FALSE);
}
//
// Convert the number.
//
for ( cp = (endPointer - 1), multiplier = 1, digit = 0;
cp >= startPointer;
cp--, multiplier *= 10
) {
if ((*cp < '0') || (*cp > '9') || (multiplier > 100)) {
return(FALSE);
}
digit += (multiplier * ((ULONG) (*cp - '0')));
}
if (digit > 255) {
return(FALSE);
}
addressPtr[i] = (UCHAR) digit;
//
// We are finished if we have found and converted 4 octets and have
// no other characters left in the string.
//
if ( (i-- == 0) &&
((*endPointer == '\0') || (*endPointer == ' '))
) {
return(TRUE);
}
if (*endPointer == '\0') {
return(FALSE);
}
startPointer = ++endPointer;
}
return(FALSE);
}