diff options
Diffstat (limited to 'NetworkPkg/Ip6Dxe/Ip6ConfigImpl.c')
| -rw-r--r-- | NetworkPkg/Ip6Dxe/Ip6ConfigImpl.c | 2382 |
1 files changed, 0 insertions, 2382 deletions
diff --git a/NetworkPkg/Ip6Dxe/Ip6ConfigImpl.c b/NetworkPkg/Ip6Dxe/Ip6ConfigImpl.c deleted file mode 100644 index bde5982b69..0000000000 --- a/NetworkPkg/Ip6Dxe/Ip6ConfigImpl.c +++ /dev/null @@ -1,2382 +0,0 @@ -/** @file
- The implementation of EFI IPv6 Configuration Protocol.
-
- Copyright (c) 2009 - 2017, Intel Corporation. All rights reserved.<BR>
-
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php.
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-#include "Ip6Impl.h"
-
-LIST_ENTRY mIp6ConfigInstanceList = {&mIp6ConfigInstanceList, &mIp6ConfigInstanceList};
-
-/**
- The event process routine when the DHCPv6 service binding protocol is installed
- in the system.
-
- @param[in] Event Not used.
- @param[in] Context Pointer to the IP6 config instance data.
-
-**/
-VOID
-EFIAPI
-Ip6ConfigOnDhcp6SbInstalled (
- IN EFI_EVENT Event,
- IN VOID *Context
- );
-
-/**
- Update the current policy to NewPolicy. During the transition
- period, the default router list, on-link prefix list, autonomous prefix list
- and address list in all interfaces will be released.
-
- @param[in] IpSb The IP6 service binding instance.
- @param[in] NewPolicy The new policy to be updated to.
-
-**/
-VOID
-Ip6ConfigOnPolicyChanged (
- IN IP6_SERVICE *IpSb,
- IN EFI_IP6_CONFIG_POLICY NewPolicy
- )
-{
- LIST_ENTRY *Entry;
- LIST_ENTRY *Entry2;
- LIST_ENTRY *Next;
- IP6_INTERFACE *IpIf;
- IP6_DAD_ENTRY *DadEntry;
- IP6_DELAY_JOIN_LIST *DelayNode;
-
- //
- // Currently there are only two policies: Manual and Automatic. Regardless of
- // what transition is going on, i.e., Manual -> Automatic and Automatic ->
- // Manual, we have to free default router list, on-link prefix list, autonomous
- // prefix list, address list in all the interfaces and destroy any IPv6 child
- // instance whose local IP is neither 0 nor the link-local address.
- //
- Ip6CleanDefaultRouterList (IpSb);
- Ip6CleanPrefixListTable (IpSb, &IpSb->OnlinkPrefix);
- Ip6CleanPrefixListTable (IpSb, &IpSb->AutonomousPrefix);
-
- //
- // It's tricky... If the LinkLocal address is O.K., add back the link-local
- // prefix to the on-link prefix table.
- //
- if (IpSb->LinkLocalOk) {
- Ip6CreatePrefixListEntry (
- IpSb,
- TRUE,
- (UINT32) IP6_INFINIT_LIFETIME,
- (UINT32) IP6_INFINIT_LIFETIME,
- IP6_LINK_LOCAL_PREFIX_LENGTH,
- &IpSb->LinkLocalAddr
- );
- }
-
- //
- // All IPv6 children that use global unicast address as it's source address
- // should be destryoed now. The survivers are those use the link-local address
- // or the unspecified address as the source address.
- // TODO: Conduct a check here.
- Ip6RemoveAddr (
- IpSb,
- &IpSb->DefaultInterface->AddressList,
- &IpSb->DefaultInterface->AddressCount,
- NULL,
- 0
- );
-
- NET_LIST_FOR_EACH (Entry, &IpSb->Interfaces) {
- //
- // remove all pending delay node and DAD entries for the global addresses.
- //
- IpIf = NET_LIST_USER_STRUCT_S (Entry, IP6_INTERFACE, Link, IP6_INTERFACE_SIGNATURE);
-
- NET_LIST_FOR_EACH_SAFE (Entry2, Next, &IpIf->DelayJoinList) {
- DelayNode = NET_LIST_USER_STRUCT (Entry2, IP6_DELAY_JOIN_LIST, Link);
- if (!NetIp6IsLinkLocalAddr (&DelayNode->AddressInfo->Address)) {
- RemoveEntryList (&DelayNode->Link);
- FreePool (DelayNode);
- }
- }
-
- NET_LIST_FOR_EACH_SAFE (Entry2, Next, &IpIf->DupAddrDetectList) {
- DadEntry = NET_LIST_USER_STRUCT_S (Entry2, IP6_DAD_ENTRY, Link, IP6_DAD_ENTRY_SIGNATURE);
-
- if (!NetIp6IsLinkLocalAddr (&DadEntry->AddressInfo->Address)) {
- //
- // Fail this DAD entry if the address is not link-local.
- //
- Ip6OnDADFinished (FALSE, IpIf, DadEntry);
- }
- }
- }
-
- if (NewPolicy == Ip6ConfigPolicyAutomatic) {
- //
- // Set parameters to trigger router solicitation sending in timer handler.
- //
- IpSb->RouterAdvertiseReceived = FALSE;
- IpSb->SolicitTimer = IP6_MAX_RTR_SOLICITATIONS;
- //
- // delay 1 second
- //
- IpSb->Ticks = (UINT32) IP6_GET_TICKS (IP6_ONE_SECOND_IN_MS);
- }
-
-}
-
-/**
- The work function to trigger the DHCPv6 process to perform a stateful autoconfiguration.
-
- @param[in] Instance Pointer to the IP6 config instance data.
- @param[in] OtherInfoOnly If FALSE, get stateful address and other information
- via DHCPv6. Otherwise, only get the other information.
-
- @retval EFI_SUCCESS The operation finished successfully.
- @retval EFI_UNSUPPORTED The DHCP6 driver is not available.
-
-**/
-EFI_STATUS
-Ip6ConfigStartStatefulAutoConfig (
- IN IP6_CONFIG_INSTANCE *Instance,
- IN BOOLEAN OtherInfoOnly
- )
-{
- EFI_STATUS Status;
- IP6_SERVICE *IpSb;
- EFI_DHCP6_CONFIG_DATA Dhcp6CfgData;
- EFI_DHCP6_PROTOCOL *Dhcp6;
- EFI_DHCP6_PACKET_OPTION *OptList[1];
- UINT16 OptBuf[4];
- EFI_DHCP6_PACKET_OPTION *Oro;
- EFI_DHCP6_RETRANSMISSION InfoReqReXmit;
-
- //
- // A host must not invoke stateful address configuration if it is already
- // participating in the statuful protocol as a result of an earlier advertisement.
- //
- if (Instance->Dhcp6Handle != NULL) {
- return EFI_SUCCESS;
- }
-
- IpSb = IP6_SERVICE_FROM_IP6_CONFIG_INSTANCE (Instance);
-
- Instance->OtherInfoOnly = OtherInfoOnly;
-
- Status = NetLibCreateServiceChild (
- IpSb->Controller,
- IpSb->Image,
- &gEfiDhcp6ServiceBindingProtocolGuid,
- &Instance->Dhcp6Handle
- );
-
- if (Status == EFI_UNSUPPORTED) {
- //
- // No DHCPv6 Service Binding protocol, register a notify.
- //
- if (Instance->Dhcp6SbNotifyEvent == NULL) {
- Instance->Dhcp6SbNotifyEvent = EfiCreateProtocolNotifyEvent (
- &gEfiDhcp6ServiceBindingProtocolGuid,
- TPL_CALLBACK,
- Ip6ConfigOnDhcp6SbInstalled,
- (VOID *) Instance,
- &Instance->Registration
- );
- }
- }
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- if (Instance->Dhcp6SbNotifyEvent != NULL) {
- gBS->CloseEvent (Instance->Dhcp6SbNotifyEvent);
- }
-
- Status = gBS->OpenProtocol (
- Instance->Dhcp6Handle,
- &gEfiDhcp6ProtocolGuid,
- (VOID **) &Instance->Dhcp6,
- IpSb->Image,
- IpSb->Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- ASSERT_EFI_ERROR (Status);
-
- Dhcp6 = Instance->Dhcp6;
- Dhcp6->Configure (Dhcp6, NULL);
-
- //
- // Set the exta options to send. Here we only want the option request option
- // with DNS SERVERS.
- //
- Oro = (EFI_DHCP6_PACKET_OPTION *) OptBuf;
- Oro->OpCode = HTONS (DHCP6_OPT_ORO);
- Oro->OpLen = HTONS (2);
- *((UINT16 *) &Oro->Data[0]) = HTONS (DHCP6_OPT_DNS_SERVERS);
- OptList[0] = Oro;
-
- Status = EFI_SUCCESS;
-
- if (!OtherInfoOnly) {
- //
- // Get stateful address and other information via DHCPv6.
- //
- Dhcp6CfgData.Dhcp6Callback = NULL;
- Dhcp6CfgData.CallbackContext = NULL;
- Dhcp6CfgData.OptionCount = 1;
- Dhcp6CfgData.OptionList = &OptList[0];
- Dhcp6CfgData.IaDescriptor.Type = EFI_DHCP6_IA_TYPE_NA;
- Dhcp6CfgData.IaDescriptor.IaId = Instance->IaId;
- Dhcp6CfgData.IaInfoEvent = Instance->Dhcp6Event;
- Dhcp6CfgData.ReconfigureAccept = FALSE;
- Dhcp6CfgData.RapidCommit = FALSE;
- Dhcp6CfgData.SolicitRetransmission = NULL;
-
- Status = Dhcp6->Configure (Dhcp6, &Dhcp6CfgData);
-
- if (!EFI_ERROR (Status)) {
-
- if (IpSb->LinkLocalOk) {
- Status = Dhcp6->Start (Dhcp6);
- } else {
- IpSb->Dhcp6NeedStart = TRUE;
- }
-
- }
- } else {
- //
- // Only get other information via DHCPv6, this doesn't require a config
- // action.
- //
- InfoReqReXmit.Irt = 4;
- InfoReqReXmit.Mrc = 64;
- InfoReqReXmit.Mrt = 60;
- InfoReqReXmit.Mrd = 0;
-
- if (IpSb->LinkLocalOk) {
- Status = Dhcp6->InfoRequest (
- Dhcp6,
- TRUE,
- Oro,
- 0,
- NULL,
- &InfoReqReXmit,
- Instance->Dhcp6Event,
- Ip6ConfigOnDhcp6Reply,
- Instance
- );
- } else {
- IpSb->Dhcp6NeedInfoRequest = TRUE;
- }
-
- }
-
- return Status;
-}
-
-/**
- Signal the registered event. It is the callback routine for NetMapIterate.
-
- @param[in] Map Points to the list of registered event.
- @param[in] Item The registered event.
- @param[in] Arg Not used.
-
-**/
-EFI_STATUS
-EFIAPI
-Ip6ConfigSignalEvent (
- IN NET_MAP *Map,
- IN NET_MAP_ITEM *Item,
- IN VOID *Arg
- )
-{
- gBS->SignalEvent ((EFI_EVENT) Item->Key);
-
- return EFI_SUCCESS;
-}
-
-/**
- Read the configuration data from variable storage according to the VarName and
- gEfiIp6ConfigProtocolGuid. It checks the integrity of variable data. If the
- data is corrupted, it clears the variable data to ZERO. Othewise, it outputs the
- configuration data to IP6_CONFIG_INSTANCE.
-
- @param[in] VarName The pointer to the variable name
- @param[in, out] Instance The pointer to the IP6 config instance data.
-
- @retval EFI_NOT_FOUND The variable can not be found or already corrupted.
- @retval EFI_OUT_OF_RESOURCES Fail to allocate resource to complete the operation.
- @retval EFI_SUCCESS The configuration data was retrieved successfully.
-
-**/
-EFI_STATUS
-Ip6ConfigReadConfigData (
- IN CHAR16 *VarName,
- IN OUT IP6_CONFIG_INSTANCE *Instance
- )
-{
- EFI_STATUS Status;
- UINTN VarSize;
- IP6_CONFIG_VARIABLE *Variable;
- IP6_CONFIG_DATA_ITEM *DataItem;
- UINTN Index;
- IP6_CONFIG_DATA_RECORD DataRecord;
- CHAR8 *Data;
-
- //
- // Try to read the configuration variable.
- //
- VarSize = 0;
- Status = gRT->GetVariable (
- VarName,
- &gEfiIp6ConfigProtocolGuid,
- NULL,
- &VarSize,
- NULL
- );
-
- if (Status == EFI_BUFFER_TOO_SMALL) {
- //
- // Allocate buffer and read the config variable.
- //
- Variable = AllocatePool (VarSize);
- if (Variable == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- Status = gRT->GetVariable (
- VarName,
- &gEfiIp6ConfigProtocolGuid,
- NULL,
- &VarSize,
- Variable
- );
- if (EFI_ERROR (Status) || (UINT16) (~NetblockChecksum ((UINT8 *) Variable, (UINT32) VarSize)) != 0) {
- //
- // GetVariable still error or the variable is corrupted.
- // Fall back to the default value.
- //
- FreePool (Variable);
-
- //
- // Remove the problematic variable and return EFI_NOT_FOUND, a new
- // variable will be set again.
- //
- gRT->SetVariable (
- VarName,
- &gEfiIp6ConfigProtocolGuid,
- IP6_CONFIG_VARIABLE_ATTRIBUTE,
- 0,
- NULL
- );
-
- return EFI_NOT_FOUND;
- }
-
- //
- // Get the IAID we use.
- //
- Instance->IaId = Variable->IaId;
-
- for (Index = 0; Index < Variable->DataRecordCount; Index++) {
-
- CopyMem (&DataRecord, &Variable->DataRecord[Index], sizeof (DataRecord));
-
- DataItem = &Instance->DataItem[DataRecord.DataType];
- if (DATA_ATTRIB_SET (DataItem->Attribute, DATA_ATTRIB_SIZE_FIXED) &&
- (DataItem->DataSize != DataRecord.DataSize)
- ) {
- //
- // Perhaps a corrupted data record...
- //
- continue;
- }
-
- if (!DATA_ATTRIB_SET (DataItem->Attribute, DATA_ATTRIB_SIZE_FIXED)) {
- //
- // This data item has variable length data.
- //
- DataItem->Data.Ptr = AllocatePool (DataRecord.DataSize);
- if (DataItem->Data.Ptr == NULL) {
- //
- // no memory resource
- //
- continue;
- }
- }
-
- Data = (CHAR8 *) Variable + DataRecord.Offset;
- CopyMem (DataItem->Data.Ptr, Data, DataRecord.DataSize);
-
- DataItem->DataSize = DataRecord.DataSize;
- DataItem->Status = EFI_SUCCESS;
- }
-
- FreePool (Variable);
- return EFI_SUCCESS;
- }
-
- return Status;
-}
-
-/**
- Write the configuration data from IP6_CONFIG_INSTANCE to variable storage.
-
- @param[in] VarName The pointer to the variable name.
- @param[in] Instance The pointer to the IP6 configuration instance data.
-
- @retval EFI_OUT_OF_RESOURCES Fail to allocate resource to complete the operation.
- @retval EFI_SUCCESS The configuration data is written successfully.
-
-**/
-EFI_STATUS
-Ip6ConfigWriteConfigData (
- IN CHAR16 *VarName,
- IN IP6_CONFIG_INSTANCE *Instance
- )
-{
- UINTN Index;
- UINTN VarSize;
- IP6_CONFIG_DATA_ITEM *DataItem;
- IP6_CONFIG_VARIABLE *Variable;
- IP6_CONFIG_DATA_RECORD *DataRecord;
- CHAR8 *Heap;
- EFI_STATUS Status;
-
- VarSize = sizeof (IP6_CONFIG_VARIABLE) - sizeof (IP6_CONFIG_DATA_RECORD);
-
- for (Index = 0; Index < Ip6ConfigDataTypeMaximum; Index++) {
-
- DataItem = &Instance->DataItem[Index];
- if (!DATA_ATTRIB_SET (DataItem->Attribute, DATA_ATTRIB_VOLATILE) && !EFI_ERROR (DataItem->Status)) {
-
- VarSize += sizeof (IP6_CONFIG_DATA_RECORD) + DataItem->DataSize;
- }
- }
-
- Variable = AllocatePool (VarSize);
- if (Variable == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- Variable->IaId = Instance->IaId;
- Heap = (CHAR8 *) Variable + VarSize;
- Variable->DataRecordCount = 0;
-
- for (Index = 0; Index < Ip6ConfigDataTypeMaximum; Index++) {
-
- DataItem = &Instance->DataItem[Index];
- if (!DATA_ATTRIB_SET (DataItem->Attribute, DATA_ATTRIB_VOLATILE) && !EFI_ERROR (DataItem->Status)) {
-
- Heap -= DataItem->DataSize;
- CopyMem (Heap, DataItem->Data.Ptr, DataItem->DataSize);
-
- DataRecord = &Variable->DataRecord[Variable->DataRecordCount];
- DataRecord->DataType = (EFI_IP6_CONFIG_DATA_TYPE) Index;
- DataRecord->DataSize = (UINT32) DataItem->DataSize;
- DataRecord->Offset = (UINT16) (Heap - (CHAR8 *) Variable);
-
- Variable->DataRecordCount++;
- }
- }
-
- Variable->Checksum = 0;
- Variable->Checksum = (UINT16) ~NetblockChecksum ((UINT8 *) Variable, (UINT32) VarSize);
-
- Status = gRT->SetVariable (
- VarName,
- &gEfiIp6ConfigProtocolGuid,
- IP6_CONFIG_VARIABLE_ATTRIBUTE,
- VarSize,
- Variable
- );
-
- FreePool (Variable);
-
- return Status;
-}
-
-/**
- The work function for EfiIp6ConfigGetData() to get the interface information
- of the communication device this IP6Config instance manages.
-
- @param[in] Instance Pointer to the IP6 config instance data.
- @param[in, out] DataSize On input, in bytes, the size of Data. On output, in
- bytes, the size of buffer required to store the specified
- configuration data.
- @param[in] Data The data buffer in which the configuration data is returned.
- Ignored if DataSize is ZERO.
-
- @retval EFI_BUFFER_TOO_SMALL The size of Data is too small for the specified
- configuration data, and the required size is
- returned in DataSize.
- @retval EFI_SUCCESS The specified configuration data was obtained.
-
-**/
-EFI_STATUS
-Ip6ConfigGetIfInfo (
- IN IP6_CONFIG_INSTANCE *Instance,
- IN OUT UINTN *DataSize,
- IN VOID *Data OPTIONAL
- )
-{
- IP6_SERVICE *IpSb;
- UINTN Length;
- IP6_CONFIG_DATA_ITEM *Item;
- EFI_IP6_CONFIG_INTERFACE_INFO *IfInfo;
- UINT32 AddressCount;
- UINT32 RouteCount;
-
- IpSb = IP6_SERVICE_FROM_IP6_CONFIG_INSTANCE (Instance);
- Length = sizeof (EFI_IP6_CONFIG_INTERFACE_INFO);
-
- //
- // Calculate the required length, add the buffer size for AddressInfo and
- // RouteTable
- //
- Ip6BuildEfiAddressList (IpSb, &AddressCount, NULL);
- Ip6BuildEfiRouteTable (IpSb->RouteTable, &RouteCount, NULL);
-
- Length += AddressCount * sizeof (EFI_IP6_ADDRESS_INFO) + RouteCount * sizeof (EFI_IP6_ROUTE_TABLE);
-
- if (*DataSize < Length) {
- *DataSize = Length;
- return EFI_BUFFER_TOO_SMALL;
- }
-
- //
- // Copy the fixed size part of the interface info.
- //
- Item = &Instance->DataItem[Ip6ConfigDataTypeInterfaceInfo];
- IfInfo = (EFI_IP6_CONFIG_INTERFACE_INFO *) Data;
- CopyMem (IfInfo, Item->Data.Ptr, sizeof (EFI_IP6_CONFIG_INTERFACE_INFO));
-
- //
- // AddressInfo
- //
- IfInfo->AddressInfo = (EFI_IP6_ADDRESS_INFO *) (IfInfo + 1);
- Ip6BuildEfiAddressList (IpSb, &IfInfo->AddressInfoCount, &IfInfo->AddressInfo);
-
- //
- // RouteTable
- //
- IfInfo->RouteTable = (EFI_IP6_ROUTE_TABLE *) (IfInfo->AddressInfo + IfInfo->AddressInfoCount);
- Ip6BuildEfiRouteTable (IpSb->RouteTable, &IfInfo->RouteCount, &IfInfo->RouteTable);
-
- if (IfInfo->AddressInfoCount == 0) {
- IfInfo->AddressInfo = NULL;
- }
-
- if (IfInfo->RouteCount == 0) {
- IfInfo->RouteTable = NULL;
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- The work function for EfiIp6ConfigSetData() to set the alternative inteface ID
- for the communication device managed by this IP6Config instance, if the link local
- IPv6 addresses generated from the interface ID based on the default source the
- EFI IPv6 Protocol uses is a duplicate address.
-
- @param[in] Instance Pointer to the IP6 configuration instance data.
- @param[in] DataSize Size of the buffer pointed to by Data in bytes.
- @param[in] Data The data buffer to set.
-
- @retval EFI_BAD_BUFFER_SIZE The DataSize does not match the size of the type,
- 8 bytes.
- @retval EFI_SUCCESS The specified configuration data for the EFI IPv6
- network stack was set.
-
-**/
-EFI_STATUS
-Ip6ConfigSetAltIfId (
- IN IP6_CONFIG_INSTANCE *Instance,
- IN UINTN DataSize,
- IN VOID *Data
- )
-{
- EFI_IP6_CONFIG_INTERFACE_ID *OldIfId;
- EFI_IP6_CONFIG_INTERFACE_ID *NewIfId;
- IP6_CONFIG_DATA_ITEM *DataItem;
-
- if (DataSize != sizeof (EFI_IP6_CONFIG_INTERFACE_ID)) {
- return EFI_BAD_BUFFER_SIZE;
- }
-
- DataItem = &Instance->DataItem[Ip6ConfigDataTypeAltInterfaceId];
- OldIfId = DataItem->Data.AltIfId;
- NewIfId = (EFI_IP6_CONFIG_INTERFACE_ID *) Data;
-
- CopyMem (OldIfId, NewIfId, DataSize);
- DataItem->Status = EFI_SUCCESS;
-
- return EFI_SUCCESS;
-}
-
-/**
- The work function for EfiIp6ConfigSetData() to set the general configuration
- policy for the EFI IPv6 network stack that is running on the communication device
- managed by this IP6Config instance. The policy will affect other configuration settings.
-
- @param[in] Instance Pointer to the IP6 config instance data.
- @param[in] DataSize Size of the buffer pointed to by Data in bytes.
- @param[in] Data The data buffer to set.
-
- @retval EFI_INVALID_PARAMETER The to be set policy is invalid.
- @retval EFI_BAD_BUFFER_SIZE The DataSize does not match the size of the type.
- @retval EFI_ABORTED The new policy equals the current policy.
- @retval EFI_SUCCESS The specified configuration data for the EFI IPv6
- network stack was set.
-
-**/
-EFI_STATUS
-Ip6ConfigSetPolicy (
- IN IP6_CONFIG_INSTANCE *Instance,
- IN UINTN DataSize,
- IN VOID *Data
- )
-{
- EFI_IP6_CONFIG_POLICY NewPolicy;
- IP6_CONFIG_DATA_ITEM *DataItem;
- IP6_SERVICE *IpSb;
-
- if (DataSize != sizeof (EFI_IP6_CONFIG_POLICY)) {
- return EFI_BAD_BUFFER_SIZE;
- }
-
- NewPolicy = *((EFI_IP6_CONFIG_POLICY *) Data);
-
- if (NewPolicy > Ip6ConfigPolicyAutomatic) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (NewPolicy == Instance->Policy) {
-
- return EFI_ABORTED;
- } else {
- //
- // Clean the ManualAddress, Gateway and DnsServers, shrink the variable
- // data size, and fire up all the related events.
- //
- DataItem = &Instance->DataItem[Ip6ConfigDataTypeManualAddress];
- if (DataItem->Data.Ptr != NULL) {
- FreePool (DataItem->Data.Ptr);
- }
- DataItem->Data.Ptr = NULL;
- DataItem->DataSize = 0;
- DataItem->Status = EFI_NOT_FOUND;
- NetMapIterate (&DataItem->EventMap, Ip6ConfigSignalEvent, NULL);
-
- DataItem = &Instance->DataItem[Ip6ConfigDataTypeGateway];
- if (DataItem->Data.Ptr != NULL) {
- FreePool (DataItem->Data.Ptr);
- }
- DataItem->Data.Ptr = NULL;
- DataItem->DataSize = 0;
- DataItem->Status = EFI_NOT_FOUND;
- NetMapIterate (&DataItem->EventMap, Ip6ConfigSignalEvent, NULL);
-
- DataItem = &Instance->DataItem[Ip6ConfigDataTypeDnsServer];
- DataItem->Data.Ptr = NULL;
- DataItem->DataSize = 0;
- DataItem->Status = EFI_NOT_FOUND;
- NetMapIterate (&DataItem->EventMap, Ip6ConfigSignalEvent, NULL);
-
- if (NewPolicy == Ip6ConfigPolicyManual) {
- //
- // The policy is changed from automatic to manual. Stop the DHCPv6 process
- // and destroy the DHCPv6 child.
- //
- if (Instance->Dhcp6Handle != NULL) {
- Ip6ConfigDestroyDhcp6 (Instance);
- }
- }
-
- IpSb = IP6_SERVICE_FROM_IP6_CONFIG_INSTANCE (Instance);
- Ip6ConfigOnPolicyChanged (IpSb, NewPolicy);
-
- Instance->Policy = NewPolicy;
-
- return EFI_SUCCESS;
- }
-}
-
-/**
- The work function for EfiIp6ConfigSetData() to set the number of consecutive
- Neighbor Solicitation messages sent while performing Duplicate Address Detection
- on a tentative address. A value of ZERO indicates that Duplicate Address Detection
- will not be performed on a tentative address.
-
- @param[in] Instance The Instance Pointer to the IP6 config instance data.
- @param[in] DataSize Size of the buffer pointed to by Data in bytes.
- @param[in] Data The data buffer to set.
-
- @retval EFI_BAD_BUFFER_SIZE The DataSize does not match the size of the type.
- @retval EFI_ABORTED The new transmit count equals the current configuration.
- @retval EFI_SUCCESS The specified configuration data for the EFI IPv6
- network stack was set.
-
-**/
-EFI_STATUS
-Ip6ConfigSetDadXmits (
- IN IP6_CONFIG_INSTANCE *Instance,
- IN UINTN DataSize,
- IN VOID *Data
- )
-{
- EFI_IP6_CONFIG_DUP_ADDR_DETECT_TRANSMITS *OldDadXmits;
-
- if (DataSize != sizeof (EFI_IP6_CONFIG_DUP_ADDR_DETECT_TRANSMITS)) {
- return EFI_BAD_BUFFER_SIZE;
- }
-
- OldDadXmits = Instance->DataItem[Ip6ConfigDataTypeDupAddrDetectTransmits].Data.DadXmits;
-
- if ((*(UINT32 *) Data) == OldDadXmits->DupAddrDetectTransmits) {
-
- return EFI_ABORTED;
- } else {
-
- OldDadXmits->DupAddrDetectTransmits = *((UINT32 *) Data);
- return EFI_SUCCESS;
- }
-}
-
-/**
- The callback function for Ip6SetAddr. The prototype is defined
- as IP6_DAD_CALLBACK. It is called after Duplicate Address Detection is performed
- for the manual address set by Ip6ConfigSetMaunualAddress.
-
- @param[in] IsDadPassed If TRUE, Duplicate Address Detection passed.
- @param[in] TargetAddress The tentative IPv6 address to be checked.
- @param[in] Context Pointer to the IP6 configuration instance data.
-
-**/
-VOID
-Ip6ManualAddrDadCallback (
- IN BOOLEAN IsDadPassed,
- IN EFI_IPv6_ADDRESS *TargetAddress,
- IN VOID *Context
- )
-{
- IP6_CONFIG_INSTANCE *Instance;
- UINTN Index;
- IP6_CONFIG_DATA_ITEM *Item;
- EFI_IP6_CONFIG_MANUAL_ADDRESS *ManualAddr;
- EFI_IP6_CONFIG_MANUAL_ADDRESS *PassedAddr;
- UINTN DadPassCount;
- UINTN DadFailCount;
- IP6_SERVICE *IpSb;
-
- Instance = (IP6_CONFIG_INSTANCE *) Context;
- NET_CHECK_SIGNATURE (Instance, IP6_CONFIG_INSTANCE_SIGNATURE);
- Item = &Instance->DataItem[Ip6ConfigDataTypeManualAddress];
- ManualAddr = NULL;
-
- for (Index = 0; Index < Item->DataSize / sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS); Index++) {
- //
- // Find the original tag used to place into the NET_MAP.
- //
- ManualAddr = Item->Data.ManualAddress + Index;
- if (EFI_IP6_EQUAL (TargetAddress, &ManualAddr->Address)) {
- break;
- }
- }
-
- ASSERT (Index != Item->DataSize / sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS));
-
- if (IsDadPassed) {
- NetMapInsertTail (&Instance->DadPassedMap, ManualAddr, NULL);
- } else {
- NetMapInsertTail (&Instance->DadFailedMap, ManualAddr, NULL);
- }
-
- DadPassCount = NetMapGetCount (&Instance->DadPassedMap);
- DadFailCount = NetMapGetCount (&Instance->DadFailedMap);
-
- if ((DadPassCount + DadFailCount) == (Item->DataSize / sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS))) {
- //
- // All addresses have finished the configuration process.
- //
- if (DadFailCount != 0) {
- //
- // There is at least one duplicate address.
- //
- FreePool (Item->Data.Ptr);
-
- Item->DataSize = DadPassCount * sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS);
- if (Item->DataSize == 0) {
- //
- // All failed, bad luck.
- //
- Item->Data.Ptr = NULL;
- Item->Status = EFI_NOT_FOUND;
- } else {
- //
- // Part of addresses are detected to be duplicates, so update the
- // data with those passed.
- //
- PassedAddr = (EFI_IP6_CONFIG_MANUAL_ADDRESS *) AllocatePool (Item->DataSize);
- ASSERT (PassedAddr != NULL);
-
- Item->Data.Ptr = PassedAddr;
- Item->Status = EFI_SUCCESS;
-
- while (!NetMapIsEmpty (&Instance->DadPassedMap)) {
- ManualAddr = (EFI_IP6_CONFIG_MANUAL_ADDRESS *) NetMapRemoveHead (&Instance->DadPassedMap, NULL);
- CopyMem (PassedAddr, ManualAddr, sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS));
-
- PassedAddr++;
- }
-
- ASSERT ((UINTN) PassedAddr - (UINTN) Item->Data.Ptr == Item->DataSize);
- }
- } else {
- //
- // All addresses are valid.
- //
- Item->Status = EFI_SUCCESS;
- }
-
- //
- // Remove the tags we put in the NET_MAPs.
- //
- while (!NetMapIsEmpty (&Instance->DadFailedMap)) {
- NetMapRemoveHead (&Instance->DadFailedMap, NULL);
- }
-
- while (!NetMapIsEmpty (&Instance->DadPassedMap)) {
- NetMapRemoveHead (&Instance->DadPassedMap, NULL);
- }
-
- //
- // Signal the waiting events.
- //
- NetMapIterate (&Item->EventMap, Ip6ConfigSignalEvent, NULL);
- IpSb = IP6_SERVICE_FROM_IP6_CONFIG_INSTANCE (Instance);
- Ip6ConfigWriteConfigData (IpSb->MacString, Instance);
- }
-}
-
-/**
- The work function for EfiIp6ConfigSetData() to set the station addresses manually
- for the EFI IPv6 network stack. It is only configurable when the policy is
- Ip6ConfigPolicyManual.
-
- @param[in] Instance Pointer to the IP6 configuration instance data.
- @param[in] DataSize Size of the buffer pointed to by Data in bytes.
- @param[in] Data The data buffer to set.
-
- @retval EFI_BAD_BUFFER_SIZE The DataSize does not match the size of the type.
- @retval EFI_WRITE_PROTECTED The specified configuration data cannot be set
- under the current policy.
- @retval EFI_INVALID_PARAMETER One or more fields in Data is invalid.
- @retval EFI_OUT_OF_RESOURCES Fail to allocate resource to complete the operation.
- @retval EFI_NOT_READY An asynchrous process is invoked to set the specified
- configuration data, and the process is not finished.
- @retval EFI_ABORTED The manual addresses to be set equal current
- configuration.
- @retval EFI_SUCCESS The specified configuration data for the EFI IPv6
- network stack was set.
-
-**/
-EFI_STATUS
-Ip6ConfigSetMaunualAddress (
- IN IP6_CONFIG_INSTANCE *Instance,
- IN UINTN DataSize,
- IN VOID *Data
- )
-{
- EFI_IP6_CONFIG_MANUAL_ADDRESS *NewAddress;
- EFI_IP6_CONFIG_MANUAL_ADDRESS *TmpAddress;
- IP6_CONFIG_DATA_ITEM *DataItem;
- UINTN NewAddressCount;
- UINTN Index1;
- UINTN Index2;
- IP6_SERVICE *IpSb;
- IP6_ADDRESS_INFO *CurrentAddrInfo;
- IP6_ADDRESS_INFO *Copy;
- LIST_ENTRY CurrentSourceList;
- UINT32 CurrentSourceCount;
- LIST_ENTRY *Entry;
- LIST_ENTRY *Entry2;
- IP6_INTERFACE *IpIf;
- IP6_PREFIX_LIST_ENTRY *PrefixEntry;
- EFI_STATUS Status;
- BOOLEAN IsUpdated;
-
- ASSERT (Instance->DataItem[Ip6ConfigDataTypeManualAddress].Status != EFI_NOT_READY);
-
- if (((DataSize % sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS)) != 0) || (DataSize == 0)) {
- return EFI_BAD_BUFFER_SIZE;
- }
-
- if (Instance->Policy != Ip6ConfigPolicyManual) {
- return EFI_WRITE_PROTECTED;
- }
-
- NewAddressCount = DataSize / sizeof (EFI_IP6_CONFIG_MANUAL_ADDRESS);
- NewAddress = (EFI_IP6_CONFIG_MANUAL_ADDRESS *) Data;
-
- for (Index1 = 0; Index1 < NewAddressCount; Index1++, NewAddress++) {
-
- if (NetIp6IsLinkLocalAddr (&NewAddress->Address) ||
- !NetIp6IsValidUnicast (&NewAddress->Address) ||
- (NewAddress->PrefixLength > 128)
- ) {
- //
- // make sure the IPv6 address is unicast and not link-local address &&
- // the prefix length is valid.
- //
- return EFI_INVALID_PARAMETER;
- }
-
- TmpAddress = NewAddress + 1;
- for (Index2 = Index1 + 1; Index2 < NewAddressCount; Index2++, TmpAddress++) {
- //
- // Any two addresses in the array can't be equal.
- //
- if (EFI_IP6_EQUAL (&TmpAddress->Address, &NewAddress->Address)) {
-
- return EFI_INVALID_PARAMETER;
- }
- }
- }
-
- IpSb = IP6_SERVICE_FROM_IP6_CONFIG_INSTANCE (Instance);
-
- //
- // Build the current source address list.
- //
- InitializeListHead (&CurrentSourceList);
- CurrentSourceCount = 0;
-
- NET_LIST_FOR_EACH (Entry, &IpSb->Interfaces) {
- IpIf = NET_LIST_USER_STRUCT_S (Entry, IP6_INTERFACE, Link, IP6_INTERFACE_SIGNATURE);
-
- NET_LIST_FOR_EACH (Entry2, &IpIf->AddressList) {
- CurrentAddrInfo = NET_LIST_USER_STRUCT_S (Entry2, IP6_ADDRESS_INFO, Link, IP6_ADDR_INFO_SIGNATURE);
-
- Copy = AllocateCopyPool (sizeof (IP6_ADDRESS_INFO), CurrentAddrInfo);
- if (Copy == NULL) {
- break;
- }
-
- InsertTailList (&CurrentSourceList, &Copy->Link);
- CurrentSourceCount++;
- }
- }
-
- //
- // Update the value... a long journey starts
- //
- NewAddress = AllocateCopyPool (DataSize, Data);
- if (NewAddress == NULL) {
- Ip6RemoveAddr (NULL, &CurrentSourceList, &CurrentSourceCount, NULL, 0);
-
- return EFI_OUT_OF_RESOURCES;
- }
-
- //
- // Store the new data, and init the DataItem status to EFI_NOT_READY because
- // we may have an asynchronous configuration process.
- //
- DataItem = &Instance->DataItem[Ip6ConfigDataTypeManualAddress];
- if (DataItem->Data.Ptr != NULL) {
- FreePool (DataItem->Data.Ptr);
- }
- DataItem->Data.Ptr = NewAddress;
- DataItem->DataSize = DataSize;
- DataItem->Status = EFI_NOT_READY;
-
- //
- // Trigger DAD, it's an asynchronous process.
- //
- IsUpdated = FALSE;
-
- for (Index1 = 0; Index1 < NewAddressCount; Index1++, NewAddress++) {
- if (Ip6IsOneOfSetAddress (IpSb, &NewAddress->Address, NULL, &CurrentAddrInfo)) {
- ASSERT (CurrentAddrInfo != NULL);
- //
- // Remove this already existing source address from the CurrentSourceList
- // built before.
- //
- Ip6RemoveAddr (
- NULL,
- &CurrentSourceList,
- &CurrentSourceCount,
- &CurrentAddrInfo->Address,
- 128
- );
-
- //
- // If the new address's prefix length is not specified, just use the previous configured
- // prefix length for this address.
- //
- if (NewAddress->PrefixLength == 0) {
- NewAddress->PrefixLength = CurrentAddrInfo->PrefixLength;
- }
-
- //
- // This manual address is already in use, see whether prefix length is changed.
- //
- if (NewAddress->PrefixLength != CurrentAddrInfo->PrefixLength) {
- //
- // Remove the on-link prefix table, the route entry will be removed
- // implicitly.
- //
- PrefixEntry = Ip6FindPrefixListEntry (
- IpSb,
- TRUE,
- CurrentAddrInfo->PrefixLength,
- &CurrentAddrInfo->Address
- );
- if (PrefixEntry != NULL) {
- Ip6DestroyPrefixListEntry (IpSb, PrefixEntry, TRUE, FALSE);
- }
-
- //
- // Save the prefix length.
- //
- CurrentAddrInfo->PrefixLength = NewAddress->PrefixLength;
- IsUpdated = TRUE;
- }
-
- //
- // create a new on-link prefix entry.
- //
- PrefixEntry = Ip6FindPrefixListEntry (
- IpSb,
- TRUE,
- NewAddress->PrefixLength,
- &NewAddress->Address
- );
- if (PrefixEntry == NULL) {
- Ip6CreatePrefixListEntry (
- IpSb,
- TRUE,
- (UINT32) IP6_INFINIT_LIFETIME,
- (UINT32) IP6_INFINIT_LIFETIME,
- NewAddress->PrefixLength,
- &NewAddress->Address
- );
- }
-
- CurrentAddrInfo->IsAnycast = NewAddress->IsAnycast;
- //
- // Artificially mark this address passed DAD be'coz it is already in use.
- //
- Ip6ManualAddrDadCallback (TRUE, &NewAddress->Address, Instance);
- } else {
- //
- // A new address.
- //
- IsUpdated = TRUE;
-
- //
- // Set the new address, this will trigger DAD and activate the address if
- // DAD succeeds.
- //
- Ip6SetAddress (
- IpSb->DefaultInterface,
- &NewAddress->Address,
- NewAddress->IsAnycast,
- NewAddress->PrefixLength,
- (UINT32) IP6_INFINIT_LIFETIME,
- (UINT32) IP6_INFINIT_LIFETIME,
- Ip6ManualAddrDadCallback,
- Instance
- );
- }
- }
-
- //
- // Check the CurrentSourceList, it now contains those addresses currently in
- // use and will be removed.
- //
- IpIf = IpSb->DefaultInterface;
-
- while (!IsListEmpty (&CurrentSourceList)) {
- IsUpdated = TRUE;
-
- CurrentAddrInfo = NET_LIST_HEAD (&CurrentSourceList, IP6_ADDRESS_INFO, Link);
-
- //
- // This local address is going to be removed, the IP instances that are
- // currently using it will be destroyed.
- //
- Ip6RemoveAddr (
- IpSb,
- &IpIf->AddressList,
- &IpIf->AddressCount,
- &CurrentAddrInfo->Address,
- 128
- );
-
- //
- // Remove the on-link prefix table, the route entry will be removed
- // implicitly.
- //
- PrefixEntry = Ip6FindPrefixListEntry (
- IpSb,
- TRUE,
- CurrentAddrInfo->PrefixLength,
- &CurrentAddrInfo->Address
- );
- if (PrefixEntry != NULL) {
- Ip6DestroyPrefixListEntry (IpSb, PrefixEntry, TRUE, FALSE);
- }
-
- RemoveEntryList (&CurrentAddrInfo->Link);
- FreePool (CurrentAddrInfo);
- }
-
- if (IsUpdated) {
- if (DataItem->Status == EFI_NOT_READY) {
- //
- // If DAD is disabled on this interface, the configuration process is
- // actually synchronous, and the data item's status will be changed to
- // the final status before we reach here, just check it.
- //
- Status = EFI_NOT_READY;
- } else {
- Status = EFI_SUCCESS;
- }
- } else {
- //
- // No update is taken, reset the status to success and return EFI_ABORTED.
- //
- DataItem->Status = EFI_SUCCESS;
- Status = EFI_ABORTED;
- }
-
- return Status;
-}
-
-/**
- The work function for EfiIp6ConfigSetData() to set the gateway addresses manually
- for the EFI IPv6 network stack that is running on the communication device that
- this EFI IPv6 Configuration Protocol manages. It is not configurable when the policy is
- Ip6ConfigPolicyAutomatic. The gateway addresses must be unicast IPv6 addresses.
-
- @param[in] Instance The pointer to the IP6 config instance data.
- @param[in] DataSize The size of the buffer pointed to by Data in bytes.
- @param[in] Data The data buffer to set. This points to an array of
- EFI_IPv6_ADDRESS instances.
-
- @retval EFI_BAD_BUFFER_SIZE The DataSize does not match the size of the type.
- @retval EFI_WRITE_PROTECTED The specified configuration data cannot be set
- under the current policy.
- @retval EFI_INVALID_PARAMETER One or more fields in Data is invalid.
- @retval EFI_OUT_OF_RESOURCES Failed to allocate resource to complete the operation.
- @retval EFI_ABORTED The manual gateway addresses to be set equal the
- current configuration.
- @retval EFI_SUCCESS The specified configuration data for the EFI IPv6
- network stack was set.
-
-**/
-EFI_STATUS
-Ip6ConfigSetGateway (
- IN IP6_CONFIG_INSTANCE *Instance,
- IN UINTN DataSize,
- IN VOID *Data
- )
-{
- UINTN Index1;
- UINTN Index2;
- EFI_IPv6_ADDRESS *OldGateway;
- EFI_IPv6_ADDRESS *NewGateway;
- UINTN OldGatewayCount;
- UINTN NewGatewayCount;
- IP6_CONFIG_DATA_ITEM *Item;
- BOOLEAN OneRemoved;
- BOOLEAN OneAdded;
- IP6_SERVICE *IpSb;
- IP6_DEFAULT_ROUTER *DefaultRouter;
- VOID *Tmp;
-
- if ((DataSize % sizeof (EFI_IPv6_ADDRESS) != 0) || (DataSize == 0)) {
- return EFI_BAD_BUFFER_SIZE;
- }
-
- if (Instance->Policy != Ip6ConfigPolicyManual) {
- return EFI_WRITE_PROTECTED;
- }
-
- NewGateway = (EFI_IPv6_ADDRESS *) Data;
- NewGatewayCount = DataSize / sizeof (EFI_IPv6_ADDRESS);
- for (Index1 = 0; Index1 < NewGatewayCount; Index1++) {
-
- if (!NetIp6IsValidUnicast (NewGateway + Index1)) {
-
- return EFI_INVALID_PARAMETER;
- }
-
- for (Index2 = Index1 + 1; Index2 < NewGatewayCount; Index2++) {
- if (EFI_IP6_EQUAL (NewGateway + Index1, NewGateway + Index2)) {
- return EFI_INVALID_PARAMETER;
- }
- }
- }
-
- IpSb = IP6_SERVICE_FROM_IP6_CONFIG_INSTANCE (Instance);
- Item = &Instance->DataItem[Ip6ConfigDataTypeGateway];
- OldGateway = Item->Data.Gateway;
- OldGatewayCount = Item->DataSize / sizeof (EFI_IPv6_ADDRESS);
- OneRemoved = FALSE;
- OneAdded = FALSE;
-
- if (NewGatewayCount != OldGatewayCount) {
- Tmp = AllocatePool (DataSize);
- if (Tmp == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
- } else {
- Tmp = NULL;
- }
-
- for (Index1 = 0; Index1 < OldGatewayCount; Index1++) {
- //
- // Find the gateways that are no long in the new setting and remove them.
- //
- for (Index2 = 0; Index2 < NewGatewayCount; Index2++) {
- if (EFI_IP6_EQUAL (OldGateway + Index1, NewGateway + Index2)) {
- OneRemoved = TRUE;
- break;
- }
- }
-
- if (Index2 == NewGatewayCount) {
- //
- // Remove this default router.
- //
- DefaultRouter = Ip6FindDefaultRouter (IpSb, OldGateway + Index1);
- if (DefaultRouter != NULL) {
- Ip6DestroyDefaultRouter (IpSb, DefaultRouter);
- }
- }
- }
-
- for (Index1 = 0; Index1 < NewGatewayCount; Index1++) {
-
- DefaultRouter = Ip6FindDefaultRouter (IpSb, NewGateway + Index1);
- if (DefaultRouter == NULL) {
- Ip6CreateDefaultRouter (IpSb, NewGateway + Index1, IP6_INF_ROUTER_LIFETIME);
- OneAdded = TRUE;
- }
- }
-
- if (!OneRemoved && !OneAdded) {
- Item->Status = EFI_SUCCESS;
- return EFI_ABORTED;
- } else {
-
- if (Tmp != NULL) {
- if (Item->Data.Ptr != NULL) {
- FreePool (Item->Data.Ptr);
- }
- Item->Data.Ptr = Tmp;
- }
-
- CopyMem (Item->Data.Ptr, Data, DataSize);
- Item->DataSize = DataSize;
- Item->Status = EFI_SUCCESS;
- return EFI_SUCCESS;
- }
-}
-
-/**
- The work function for EfiIp6ConfigSetData() to set the DNS server list for the
- EFI IPv6 network stack running on the communication device that this EFI IPv6
- Configuration Protocol manages. It is not configurable when the policy is
- Ip6ConfigPolicyAutomatic. The DNS server addresses must be unicast IPv6 addresses.
-
- @param[in] Instance The pointer to the IP6 config instance data.
- @param[in] DataSize The size of the buffer pointed to by Data in bytes.
- @param[in] Data The data buffer to set, points to an array of
- EFI_IPv6_ADDRESS instances.
-
- @retval EFI_BAD_BUFFER_SIZE The DataSize does not match the size of the type.
- @retval EFI_WRITE_PROTECTED The specified configuration data cannot be set
- under the current policy.
- @retval EFI_INVALID_PARAMETER One or more fields in Data is invalid.
- @retval EFI_OUT_OF_RESOURCES Failed to allocate resources to complete the operation.
- @retval EFI_ABORTED The DNS server addresses to be set equal the current
- configuration.
- @retval EFI_SUCCESS The specified configuration data for the EFI IPv6
- network stack was set.
-
-**/
-EFI_STATUS
-Ip6ConfigSetDnsServer (
- IN IP6_CONFIG_INSTANCE *Instance,
- IN UINTN DataSize,
- IN VOID *Data
- )
-{
- UINTN OldIndex;
- UINTN NewIndex;
- EFI_IPv6_ADDRESS *OldDns;
- EFI_IPv6_ADDRESS *NewDns;
- UINTN OldDnsCount;
- UINTN NewDnsCount;
- IP6_CONFIG_DATA_ITEM *Item;
- BOOLEAN OneAdded;
- VOID *Tmp;
-
- if ((DataSize % sizeof (EFI_IPv6_ADDRESS) != 0) || (DataSize == 0)) {
- return EFI_BAD_BUFFER_SIZE;
- }
-
- if (Instance->Policy != Ip6ConfigPolicyManual) {
- return EFI_WRITE_PROTECTED;
- }
-
- Item = &Instance->DataItem[Ip6ConfigDataTypeDnsServer];
- NewDns = (EFI_IPv6_ADDRESS *) Data;
- OldDns = Item->Data.DnsServers;
- NewDnsCount = DataSize / sizeof (EFI_IPv6_ADDRESS);
- OldDnsCount = Item->DataSize / sizeof (EFI_IPv6_ADDRESS);
- OneAdded = FALSE;
-
- if (NewDnsCount != OldDnsCount) {
- Tmp = AllocatePool (DataSize);
- if (Tmp == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
- } else {
- Tmp = NULL;
- }
-
- for (NewIndex = 0; NewIndex < NewDnsCount; NewIndex++) {
-
- if (!NetIp6IsValidUnicast (NewDns + NewIndex)) {
- //
- // The dns server address must be unicast.
- //
- if (Tmp != NULL) {
- FreePool (Tmp);
- }
- return EFI_INVALID_PARAMETER;
- }
-
- if (OneAdded) {
- //
- // If any address in the new setting is not in the old settings, skip the
- // comparision below.
- //
- continue;
- }
-
- for (OldIndex = 0; OldIndex < OldDnsCount; OldIndex++) {
- if (EFI_IP6_EQUAL (NewDns + NewIndex, OldDns + OldIndex)) {
- //
- // If found break out.
- //
- break;
- }
- }
-
- if (OldIndex == OldDnsCount) {
- OneAdded = TRUE;
- }
- }
-
- if (!OneAdded && (DataSize == Item->DataSize)) {
- //
- // No new item is added and the size is the same.
- //
- Item->Status = EFI_SUCCESS;
- return EFI_ABORTED;
- } else {
- if (Tmp != NULL) {
- if (Item->Data.Ptr != NULL) {
- FreePool (Item->Data.Ptr);
- }
- Item->Data.Ptr = Tmp;
- }
-
- CopyMem (Item->Data.Ptr, Data, DataSize);
- Item->DataSize = DataSize;
- Item->Status = EFI_SUCCESS;
- return EFI_SUCCESS;
- }
-}
-
-/**
- Generate the operational state of the interface this IP6 config instance manages
- and output in EFI_IP6_CONFIG_INTERFACE_INFO.
-
- @param[in] IpSb The pointer to the IP6 service binding instance.
- @param[out] IfInfo The pointer to the IP6 configuration interface information structure.
-
-**/
-VOID
-Ip6ConfigInitIfInfo (
- IN IP6_SERVICE *IpSb,
- OUT EFI_IP6_CONFIG_INTERFACE_INFO *IfInfo
- )
-{
- UnicodeSPrint (
- IfInfo->Name,
- sizeof (IfInfo->Name),
- L"eth%d",
- IpSb->Ip6ConfigInstance.IfIndex
- );
-
- IfInfo->IfType = IpSb->SnpMode.IfType;
- IfInfo->HwAddressSize = IpSb->SnpMode.HwAddressSize;
- CopyMem (&IfInfo->HwAddress, &IpSb->SnpMode.CurrentAddress, IfInfo->HwAddressSize);
-}
-
-/**
- Parse DHCPv6 reply packet to get the DNS server list.
- It is the work function for Ip6ConfigOnDhcp6Reply and Ip6ConfigOnDhcp6Event.
-
- @param[in] Dhcp6 The pointer to the EFI_DHCP6_PROTOCOL instance.
- @param[in, out] Instance The pointer to the IP6 configuration instance data.
- @param[in] Reply The pointer to the DHCPv6 reply packet.
-
- @retval EFI_SUCCESS The DNS server address was retrieved from the reply packet.
- @retval EFI_NOT_READY The reply packet does not contain the DNS server option, or
- the DNS server address is not valid.
-
-**/
-EFI_STATUS
-Ip6ConfigParseDhcpReply (
- IN EFI_DHCP6_PROTOCOL *Dhcp6,
- IN OUT IP6_CONFIG_INSTANCE *Instance,
- IN EFI_DHCP6_PACKET *Reply
- )
-{
- EFI_STATUS Status;
- UINT32 OptCount;
- EFI_DHCP6_PACKET_OPTION **OptList;
- UINT16 OpCode;
- UINT16 Length;
- UINTN Index;
- UINTN Index2;
- EFI_IPv6_ADDRESS *DnsServer;
- IP6_CONFIG_DATA_ITEM *Item;
-
- //
- // A DHCPv6 reply packet is received as the response to our InfoRequest
- // packet.
- //
- OptCount = 0;
- Status = Dhcp6->Parse (Dhcp6, Reply, &OptCount, NULL);
- if (Status != EFI_BUFFER_TOO_SMALL) {
- return EFI_NOT_READY;
- }
-
- OptList = AllocatePool (OptCount * sizeof (EFI_DHCP6_PACKET_OPTION *));
- if (OptList == NULL) {
- return EFI_NOT_READY;
- }
-
- Status = Dhcp6->Parse (Dhcp6, Reply, &OptCount, OptList);
- if (EFI_ERROR (Status)) {
- Status = EFI_NOT_READY;
- goto ON_EXIT;
- }
-
- Status = EFI_SUCCESS;
-
- for (Index = 0; Index < OptCount; Index++) {
- //
- // Go through all the options to check the ones we are interested in.
- // The OpCode and Length are in network byte-order and may not be naturally
- // aligned.
- //
- CopyMem (&OpCode, &OptList[Index]->OpCode, sizeof (OpCode));
- OpCode = NTOHS (OpCode);
-
- if (OpCode == DHCP6_OPT_DNS_SERVERS) {
- CopyMem (&Length, &OptList[Index]->OpLen, sizeof (Length));
- Length = NTOHS (Length);
-
- if ((Length == 0) || ((Length % sizeof (EFI_IPv6_ADDRESS)) != 0)) {
- //
- // The length should be a multiple of 16 bytes.
- //
- Status = EFI_NOT_READY;
- break;
- }
-
- //
- // Validate the DnsServers: whether they are unicast addresses.
- //
- DnsServer = (EFI_IPv6_ADDRESS *) OptList[Index]->Data;
- for (Index2 = 0; Index2 < Length / sizeof (EFI_IPv6_ADDRESS); Index2++) {
- if (!NetIp6IsValidUnicast (DnsServer)) {
- Status = EFI_NOT_READY;
- goto ON_EXIT;
- }
-
- DnsServer++;
- }
-
- Item = &Instance->DataItem[Ip6ConfigDataTypeDnsServer];
-
- if (Item->DataSize != Length) {
- if (Item->Data.Ptr != NULL) {
- FreePool (Item->Data.Ptr);
- }
-
- Item->Data.Ptr = AllocatePool (Length);
- ASSERT (Item->Data.Ptr != NULL);
- }
-
- CopyMem (Item->Data.Ptr, OptList[Index]->Data, Length);
- Item->DataSize = Length;
- Item->Status = EFI_SUCCESS;
-
- //
- // Signal the waiting events.
- //
- NetMapIterate (&Item->EventMap, Ip6ConfigSignalEvent, NULL);
-
- break;
- }
- }
-
-ON_EXIT:
-
- FreePool (OptList);
- return Status;
-}
-
-/**
- The callback function for Ip6SetAddr. The prototype is defined
- as IP6_DAD_CALLBACK. It is called after Duplicate Address Detection is performed
- on the tentative address by DHCPv6 in Ip6ConfigOnDhcp6Event().
-
- @param[in] IsDadPassed If TRUE, Duplicate Address Detection passes.
- @param[in] TargetAddress The tentative IPv6 address to be checked.
- @param[in] Context Pointer to the IP6 configuration instance data.
-
-**/
-VOID
-Ip6ConfigSetStatefulAddrCallback (
- IN BOOLEAN IsDadPassed,
- IN EFI_IPv6_ADDRESS *TargetAddress,
- IN VOID *Context
- )
-{
- IP6_CONFIG_INSTANCE *Instance;
-
- Instance = (IP6_CONFIG_INSTANCE *) Context;
- NET_CHECK_SIGNATURE (Instance, IP6_CONFIG_INSTANCE_SIGNATURE);
-
- //
- // We should record the addresses that fail the DAD, and DECLINE them.
- //
- if (IsDadPassed) {
- //
- // Decrease the count, no interests in those passed DAD.
- //
- if (Instance->FailedIaAddressCount > 0 ) {
- Instance->FailedIaAddressCount--;
- }
- } else {
- //
- // Record it.
- //
- IP6_COPY_ADDRESS (Instance->DeclineAddress + Instance->DeclineAddressCount, TargetAddress);
- Instance->DeclineAddressCount++;
- }
-
- if (Instance->FailedIaAddressCount == Instance->DeclineAddressCount) {
- //
- // The checking on all addresses are finished.
- //
- if (Instance->DeclineAddressCount != 0) {
- //
- // Decline those duplicates.
- //
- if (Instance->Dhcp6 != NULL) {
- Instance->Dhcp6->Decline (
- Instance->Dhcp6,
- Instance->DeclineAddressCount,
- Instance->DeclineAddress
- );
- }
- }
-
- if (Instance->DeclineAddress != NULL) {
- FreePool (Instance->DeclineAddress);
- }
- Instance->DeclineAddress = NULL;
- Instance->DeclineAddressCount = 0;
- }
-}
-
-/**
- The event handle routine when DHCPv6 process is finished or is updated.
-
- @param[in] Event Not used.
- @param[in] Context The pointer to the IP6 configuration instance data.
-
-**/
-VOID
-EFIAPI
-Ip6ConfigOnDhcp6Event (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- IP6_CONFIG_INSTANCE *Instance;
- EFI_DHCP6_PROTOCOL *Dhcp6;
- EFI_STATUS Status;
- EFI_DHCP6_MODE_DATA Dhcp6ModeData;
- EFI_DHCP6_IA *Ia;
- EFI_DHCP6_IA_ADDRESS *IaAddr;
- UINT32 Index;
- IP6_SERVICE *IpSb;
- IP6_ADDRESS_INFO *AddrInfo;
- IP6_INTERFACE *IpIf;
-
- Instance = (IP6_CONFIG_INSTANCE *) Context;
-
- if ((Instance->Policy != Ip6ConfigPolicyAutomatic) || Instance->OtherInfoOnly) {
- //
- // IPv6 is not operating in the automatic policy now or
- // the DHCPv6 information request message exchange is aborted.
- //
- return ;
- }
-
- //
- // The stateful address autoconfiguration is done or updated.
- //
- Dhcp6 = Instance->Dhcp6;
-
- Status = Dhcp6->GetModeData (Dhcp6, &Dhcp6ModeData, NULL);
- if (EFI_ERROR (Status)) {
- return ;
- }
-
- IpSb = IP6_SERVICE_FROM_IP6_CONFIG_INSTANCE (Instance);
- IpIf = IpSb->DefaultInterface;
- Ia = Dhcp6ModeData.Ia;
- IaAddr = Ia->IaAddress;
-
- if (Instance->DeclineAddress != NULL) {
- FreePool (Instance->DeclineAddress);
- }
-
- Instance->DeclineAddress = (EFI_IPv6_ADDRESS *) AllocatePool (Ia->IaAddressCount * sizeof (EFI_IPv6_ADDRESS));
- if (Instance->DeclineAddress == NULL) {
- goto ON_EXIT;
- }
-
- Instance->FailedIaAddressCount = Ia->IaAddressCount;
- Instance->DeclineAddressCount = 0;
-
- for (Index = 0; Index < Ia->IaAddressCount; Index++, IaAddr++) {
- if (Ia->IaAddress[Index].ValidLifetime != 0 && Ia->State == Dhcp6Bound) {
- //
- // Set this address, either it's a new address or with updated lifetimes.
- // An appropriate prefix length will be set.
- //
- Ip6SetAddress (
- IpIf,
- &IaAddr->IpAddress,
- FALSE,
- 0,
- IaAddr->ValidLifetime,
- IaAddr->PreferredLifetime,
- Ip6ConfigSetStatefulAddrCallback,
- Instance
- );
- } else {
- //
- // discard this address, artificially decrease the count as if this address
- // passed DAD.
- //
- if (Ip6IsOneOfSetAddress (IpSb, &IaAddr->IpAddress, NULL, &AddrInfo)) {
- ASSERT (AddrInfo != NULL);
- Ip6RemoveAddr (
- IpSb,
- &IpIf->AddressList,
- &IpIf->AddressCount,
- &AddrInfo->Address,
- AddrInfo->PrefixLength
- );
- }
-
- if (Instance->FailedIaAddressCount > 0) {
- Instance->FailedIaAddressCount--;
- }
- }
- }
-
- //
- // Parse the Reply packet to get the options we need.
- //
- if (Dhcp6ModeData.Ia->ReplyPacket != NULL) {
- Ip6ConfigParseDhcpReply (Dhcp6, Instance, Dhcp6ModeData.Ia->ReplyPacket);
- }
-
-ON_EXIT:
-
- FreePool (Dhcp6ModeData.ClientId);
- FreePool (Dhcp6ModeData.Ia);
-}
-
-/**
- The event process routine when the DHCPv6 server is answered with a reply packet
- for an information request.
-
- @param[in] This Points to the EFI_DHCP6_PROTOCOL.
- @param[in] Context The pointer to the IP6 configuration instance data.
- @param[in] Packet The DHCPv6 reply packet.
-
- @retval EFI_SUCCESS The DNS server address was retrieved from the reply packet.
- @retval EFI_NOT_READY The reply packet does not contain the DNS server option, or
- the DNS server address is not valid.
-
-**/
-EFI_STATUS
-EFIAPI
-Ip6ConfigOnDhcp6Reply (
- IN EFI_DHCP6_PROTOCOL *This,
- IN VOID *Context,
- IN EFI_DHCP6_PACKET *Packet
- )
-{
- return Ip6ConfigParseDhcpReply (This, (IP6_CONFIG_INSTANCE *) Context, Packet);
-}
-
-/**
- The event process routine when the DHCPv6 service binding protocol is installed
- in the system.
-
- @param[in] Event Not used.
- @param[in] Context The pointer to the IP6 config instance data.
-
-**/
-VOID
-EFIAPI
-Ip6ConfigOnDhcp6SbInstalled (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- IP6_CONFIG_INSTANCE *Instance;
-
- Instance = (IP6_CONFIG_INSTANCE *) Context;
-
- if ((Instance->Dhcp6Handle != NULL) || (Instance->Policy != Ip6ConfigPolicyAutomatic)) {
- //
- // The DHCP6 child is already created or the policy is no longer AUTOMATIC.
- //
- return ;
- }
-
- Ip6ConfigStartStatefulAutoConfig (Instance, Instance->OtherInfoOnly);
-}
-
-/**
- Set the configuration for the EFI IPv6 network stack running on the communication
- device this EFI IPv6 Configuration Protocol instance manages.
-
- This function is used to set the configuration data of type DataType for the EFI
- IPv6 network stack that is running on the communication device that this EFI IPv6
- Configuration Protocol instance manages.
-
- DataSize is used to calculate the count of structure instances in the Data for
- a DataType in which multiple structure instances are allowed.
-
- This function is always non-blocking. When setting some type of configuration data,
- an asynchronous process is invoked to check the correctness of the data, such as
- performing Duplicate Address Detection on the manually set local IPv6 addresses.
- EFI_NOT_READY is returned immediately to indicate that such an asynchronous process
- is invoked, and the process is not finished yet. The caller wanting to get the result
- of the asynchronous process is required to call RegisterDataNotify() to register an
- event on the specified configuration data. Once the event is signaled, the caller
- can call GetData() to obtain the configuration data and know the result.
- For other types of configuration data that do not require an asynchronous configuration
- process, the result of the operation is immediately returned.
-
- @param[in] This The pointer to the EFI_IP6_CONFIG_PROTOCOL instance.
- @param[in] DataType The type of data to set.
- @param[in] DataSize Size of the buffer pointed to by Data in bytes.
- @param[in] Data The data buffer to set. The type of the data buffer is
- associated with the DataType.
-
- @retval EFI_SUCCESS The specified configuration data for the EFI IPv6
- network stack was set successfully.
- @retval EFI_INVALID_PARAMETER One or more of the following are TRUE:
- - This is NULL.
- - Data is NULL.
- - One or more fields in Data do not match the requirement of the
- data type indicated by DataType.
- @retval EFI_WRITE_PROTECTED The specified configuration data is read-only or the specified
- configuration data cannot be set under the current policy.
- @retval EFI_ACCESS_DENIED Another set operation on the specified configuration
- data is already in process.
- @retval EFI_NOT_READY An asynchronous process was invoked to set the specified
- configuration data, and the process is not finished yet.
- @retval EFI_BAD_BUFFER_SIZE The DataSize does not match the size of the type
- indicated by DataType.
- @retval EFI_UNSUPPORTED This DataType is not supported.
- @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
- @retval EFI_DEVICE_ERROR An unexpected system error or network error occurred.
-
-**/
-EFI_STATUS
-EFIAPI
-EfiIp6ConfigSetData (
- IN EFI_IP6_CONFIG_PROTOCOL *This,
- IN EFI_IP6_CONFIG_DATA_TYPE DataType,
- IN UINTN DataSize,
- IN VOID *Data
- )
-{
- EFI_TPL OldTpl;
- EFI_STATUS Status;
- IP6_CONFIG_INSTANCE *Instance;
- IP6_SERVICE *IpSb;
-
- if ((This == NULL) || (Data == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (DataType >= Ip6ConfigDataTypeMaximum) {
- return EFI_UNSUPPORTED;
- }
-
- Instance = IP6_CONFIG_INSTANCE_FROM_PROTOCOL (This);
- IpSb = IP6_SERVICE_FROM_IP6_CONFIG_INSTANCE (Instance);
- NET_CHECK_SIGNATURE (IpSb, IP6_SERVICE_SIGNATURE);
-
- if (IpSb->LinkLocalDadFail) {
- return EFI_DEVICE_ERROR;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- Status = Instance->DataItem[DataType].Status;
- if (Status != EFI_NOT_READY) {
-
- if (Instance->DataItem[DataType].SetData == NULL) {
- //
- // This type of data is readonly.
- //
- Status = EFI_WRITE_PROTECTED;
- } else {
-
- Status = Instance->DataItem[DataType].SetData (Instance, DataSize, Data);
- if (!EFI_ERROR (Status)) {
- //
- // Fire up the events registered with this type of data.
- //
- NetMapIterate (&Instance->DataItem[DataType].EventMap, Ip6ConfigSignalEvent, NULL);
- Ip6ConfigWriteConfigData (IpSb->MacString, Instance);
- } else if (Status == EFI_ABORTED) {
- //
- // The SetData is aborted because the data to set is the same with
- // the one maintained.
- //
- Status = EFI_SUCCESS;
- NetMapIterate (&Instance->DataItem[DataType].EventMap, Ip6ConfigSignalEvent, NULL);
- }
- }
- } else {
- //
- // Another asynchornous process is on the way.
- //
- Status = EFI_ACCESS_DENIED;
- }
-
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-/**
- Get the configuration data for the EFI IPv6 network stack running on the communication
- device that this EFI IPv6 Configuration Protocol instance manages.
-
- This function returns the configuration data of type DataType for the EFI IPv6 network
- stack running on the communication device that this EFI IPv6 Configuration Protocol instance
- manages.
-
- The caller is responsible for allocating the buffer used to return the specified
- configuration data. The required size will be returned to the caller if the size of
- the buffer is too small.
-
- EFI_NOT_READY is returned if the specified configuration data is not ready due to an
- asynchronous configuration process already in progress. The caller can call RegisterDataNotify()
- to register an event on the specified configuration data. Once the asynchronous configuration
- process is finished, the event will be signaled, and a subsequent GetData() call will return
- the specified configuration data.
-
- @param[in] This Pointer to the EFI_IP6_CONFIG_PROTOCOL instance.
- @param[in] DataType The type of data to get.
- @param[in, out] DataSize On input, in bytes, the size of Data. On output, in bytes, the
- size of buffer required to store the specified configuration data.
- @param[in] Data The data buffer in which the configuration data is returned. The
- type of the data buffer is associated with the DataType.
- This is an optional parameter that may be NULL.
-
- @retval EFI_SUCCESS The specified configuration data was obtained successfully.
- @retval EFI_INVALID_PARAMETER One or more of the followings are TRUE:
- - This is NULL.
- - DataSize is NULL.
- - Data is NULL if *DataSize is not zero.
- @retval EFI_BUFFER_TOO_SMALL The size of Data is too small for the specified configuration data,
- and the required size is returned in DataSize.
- @retval EFI_NOT_READY The specified configuration data is not ready due to an
- asynchronous configuration process already in progress.
- @retval EFI_NOT_FOUND The specified configuration data is not found.
-
-**/
-EFI_STATUS
-EFIAPI
-EfiIp6ConfigGetData (
- IN EFI_IP6_CONFIG_PROTOCOL *This,
- IN EFI_IP6_CONFIG_DATA_TYPE DataType,
- IN OUT UINTN *DataSize,
- IN VOID *Data OPTIONAL
- )
-{
- EFI_TPL OldTpl;
- EFI_STATUS Status;
- IP6_CONFIG_INSTANCE *Instance;
- IP6_CONFIG_DATA_ITEM *DataItem;
-
- if ((This == NULL) || (DataSize == NULL) || ((*DataSize != 0) && (Data == NULL))) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (DataType >= Ip6ConfigDataTypeMaximum) {
- return EFI_NOT_FOUND;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- Instance = IP6_CONFIG_INSTANCE_FROM_PROTOCOL (This);
- DataItem = &Instance->DataItem[DataType];
-
- Status = Instance->DataItem[DataType].Status;
- if (!EFI_ERROR (Status)) {
-
- if (DataItem->GetData != NULL) {
-
- Status = DataItem->GetData (Instance, DataSize, Data);
- } else if (*DataSize < Instance->DataItem[DataType].DataSize) {
- //
- // Update the buffer length.
- //
- *DataSize = Instance->DataItem[DataType].DataSize;
- Status = EFI_BUFFER_TOO_SMALL;
- } else {
-
- *DataSize = Instance->DataItem[DataType].DataSize;
- CopyMem (Data, Instance->DataItem[DataType].Data.Ptr, *DataSize);
- }
- }
-
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-/**
- Register an event that is signaled whenever a configuration process on the specified
- configuration data is done.
-
- This function registers an event that is to be signaled whenever a configuration
- process on the specified configuration data is performed. An event can be registered
- for a different DataType simultaneously. The caller is responsible for determining
- which type of configuration data causes the signaling of the event in such an event.
-
- @param[in] This Pointer to the EFI_IP6_CONFIG_PROTOCOL instance.
- @param[in] DataType The type of data to unregister the event for.
- @param[in] Event The event to register.
-
- @retval EFI_SUCCESS The notification event for the specified configuration data is
- registered.
- @retval EFI_INVALID_PARAMETER This is NULL or Event is NULL.
- @retval EFI_UNSUPPORTED The configuration data type specified by DataType is not
- supported.
- @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
- @retval EFI_ACCESS_DENIED The Event is already registered for the DataType.
-
-**/
-EFI_STATUS
-EFIAPI
-EfiIp6ConfigRegisterDataNotify (
- IN EFI_IP6_CONFIG_PROTOCOL *This,
- IN EFI_IP6_CONFIG_DATA_TYPE DataType,
- IN EFI_EVENT Event
- )
-{
- EFI_TPL OldTpl;
- EFI_STATUS Status;
- IP6_CONFIG_INSTANCE *Instance;
- NET_MAP *EventMap;
- NET_MAP_ITEM *Item;
-
- if ((This == NULL) || (Event == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (DataType >= Ip6ConfigDataTypeMaximum) {
- return EFI_UNSUPPORTED;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- Instance = IP6_CONFIG_INSTANCE_FROM_PROTOCOL (This);
- EventMap = &Instance->DataItem[DataType].EventMap;
-
- //
- // Check whether this event is already registered for this DataType.
- //
- Item = NetMapFindKey (EventMap, Event);
- if (Item == NULL) {
-
- Status = NetMapInsertTail (EventMap, Event, NULL);
-
- if (EFI_ERROR (Status)) {
-
- Status = EFI_OUT_OF_RESOURCES;
- }
-
- } else {
-
- Status = EFI_ACCESS_DENIED;
- }
-
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-/**
- Remove a previously registered event for the specified configuration data.
-
- @param This The pointer to the EFI_IP6_CONFIG_PROTOCOL instance.
- @param DataType The type of data to remove from the previously
- registered event.
- @param Event The event to be unregistered.
-
- @retval EFI_SUCCESS The event registered for the specified
- configuration data was removed.
- @retval EFI_INVALID_PARAMETER This is NULL or Event is NULL.
- @retval EFI_NOT_FOUND The Event has not been registered for the
- specified DataType.
-
-**/
-EFI_STATUS
-EFIAPI
-EfiIp6ConfigUnregisterDataNotify (
- IN EFI_IP6_CONFIG_PROTOCOL *This,
- IN EFI_IP6_CONFIG_DATA_TYPE DataType,
- IN EFI_EVENT Event
- )
-{
- EFI_TPL OldTpl;
- EFI_STATUS Status;
- IP6_CONFIG_INSTANCE *Instance;
- NET_MAP_ITEM *Item;
-
- if ((This == NULL) || (Event == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (DataType >= Ip6ConfigDataTypeMaximum) {
- return EFI_NOT_FOUND;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
-
- Instance = IP6_CONFIG_INSTANCE_FROM_PROTOCOL (This);
-
- Item = NetMapFindKey (&Instance->DataItem[DataType].EventMap, Event);
- if (Item != NULL) {
-
- NetMapRemoveItem (&Instance->DataItem[DataType].EventMap, Item, NULL);
- Status = EFI_SUCCESS;
- } else {
-
- Status = EFI_NOT_FOUND;
- }
-
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-/**
- Initialize an IP6_CONFIG_INSTANCE.
-
- @param[out] Instance The buffer of IP6_CONFIG_INSTANCE to be initialized.
-
- @retval EFI_OUT_OF_RESOURCES Failed to allocate resources to complete the operation.
- @retval EFI_SUCCESS The IP6_CONFIG_INSTANCE initialized successfully.
-
-**/
-EFI_STATUS
-Ip6ConfigInitInstance (
- OUT IP6_CONFIG_INSTANCE *Instance
- )
-{
- IP6_SERVICE *IpSb;
- IP6_CONFIG_INSTANCE *TmpInstance;
- LIST_ENTRY *Entry;
- EFI_STATUS Status;
- UINTN Index;
- UINT16 IfIndex;
- IP6_CONFIG_DATA_ITEM *DataItem;
-
- IpSb = IP6_SERVICE_FROM_IP6_CONFIG_INSTANCE (Instance);
-
- Instance->Signature = IP6_CONFIG_INSTANCE_SIGNATURE;
-
- //
- // Determine the index of this interface.
- //
- IfIndex = 0;
- NET_LIST_FOR_EACH (Entry, &mIp6ConfigInstanceList) {
- TmpInstance = NET_LIST_USER_STRUCT_S (Entry, IP6_CONFIG_INSTANCE, Link, IP6_CONFIG_INSTANCE_SIGNATURE);
-
- if (TmpInstance->IfIndex > IfIndex) {
- //
- // There is a sequence hole because some interface is down.
- //
- break;
- }
-
- IfIndex++;
- }
-
- Instance->IfIndex = IfIndex;
- NetListInsertBefore (Entry, &Instance->Link);
-
- for (Index = 0; Index < Ip6ConfigDataTypeMaximum; Index++) {
- //
- // Initialize the event map for each data item.
- //
- NetMapInit (&Instance->DataItem[Index].EventMap);
- }
-
- //
- // Initialize the NET_MAPs used for DAD on manually configured source addresses.
- //
- NetMapInit (&Instance->DadFailedMap);
- NetMapInit (&Instance->DadPassedMap);
-
- //
- // Initialize each data type: associate storage and set data size for the
- // fixed size data types, hook the SetData function, set the data attribute.
- //
- DataItem = &Instance->DataItem[Ip6ConfigDataTypeInterfaceInfo];
- DataItem->GetData = Ip6ConfigGetIfInfo;
- DataItem->Data.Ptr = &Instance->InterfaceInfo;
- DataItem->DataSize = sizeof (Instance->InterfaceInfo);
- SET_DATA_ATTRIB (DataItem->Attribute, DATA_ATTRIB_SIZE_FIXED | DATA_ATTRIB_VOLATILE);
- Ip6ConfigInitIfInfo (IpSb, &Instance->InterfaceInfo);
-
- DataItem = &Instance->DataItem[Ip6ConfigDataTypeAltInterfaceId];
- DataItem->SetData = Ip6ConfigSetAltIfId;
- DataItem->Data.Ptr = &Instance->AltIfId;
- DataItem->DataSize = sizeof (Instance->AltIfId);
- DataItem->Status = EFI_NOT_FOUND;
- SET_DATA_ATTRIB (DataItem->Attribute, DATA_ATTRIB_SIZE_FIXED);
-
- DataItem = &Instance->DataItem[Ip6ConfigDataTypePolicy];
- DataItem->SetData = Ip6ConfigSetPolicy;
- DataItem->Data.Ptr = &Instance->Policy;
- DataItem->DataSize = sizeof (Instance->Policy);
- Instance->Policy = Ip6ConfigPolicyManual;
- SET_DATA_ATTRIB (DataItem->Attribute, DATA_ATTRIB_SIZE_FIXED);
-
- DataItem = &Instance->DataItem[Ip6ConfigDataTypeDupAddrDetectTransmits];
- DataItem->SetData = Ip6ConfigSetDadXmits;
- DataItem->Data.Ptr = &Instance->DadXmits;
- DataItem->DataSize = sizeof (Instance->DadXmits);
- Instance->DadXmits.DupAddrDetectTransmits = IP6_CONFIG_DEFAULT_DAD_XMITS;
- SET_DATA_ATTRIB (DataItem->Attribute, DATA_ATTRIB_SIZE_FIXED);
-
- DataItem = &Instance->DataItem[Ip6ConfigDataTypeManualAddress];
- DataItem->SetData = Ip6ConfigSetMaunualAddress;
- DataItem->Status = EFI_NOT_FOUND;
-
- DataItem = &Instance->DataItem[Ip6ConfigDataTypeGateway];
- DataItem->SetData = Ip6ConfigSetGateway;
- DataItem->Status = EFI_NOT_FOUND;
-
- DataItem = &Instance->DataItem[Ip6ConfigDataTypeDnsServer];
- DataItem->SetData = Ip6ConfigSetDnsServer;
- DataItem->Status = EFI_NOT_FOUND;
-
- //
- // Create the event used for DHCP.
- //
- Status = gBS->CreateEvent (
- EVT_NOTIFY_SIGNAL,
- TPL_CALLBACK,
- Ip6ConfigOnDhcp6Event,
- Instance,
- &Instance->Dhcp6Event
- );
- ASSERT_EFI_ERROR (Status);
-
- Instance->Configured = TRUE;
-
- //
- // Try to read the config data from NV variable.
- //
- Status = Ip6ConfigReadConfigData (IpSb->MacString, Instance);
- if (Status == EFI_NOT_FOUND) {
- //
- // The NV variable is not set, so generate a random IAID, and write down the
- // fresh new configuration as the NV variable now.
- //
- Instance->IaId = NET_RANDOM (NetRandomInitSeed ());
-
- for (Index = 0; Index < IpSb->SnpMode.HwAddressSize; Index++) {
- Instance->IaId |= (IpSb->SnpMode.CurrentAddress.Addr[Index] << ((Index << 3) & 31));
- }
-
- Ip6ConfigWriteConfigData (IpSb->MacString, Instance);
- } else if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Instance->Ip6Config.SetData = EfiIp6ConfigSetData;
- Instance->Ip6Config.GetData = EfiIp6ConfigGetData;
- Instance->Ip6Config.RegisterDataNotify = EfiIp6ConfigRegisterDataNotify;
- Instance->Ip6Config.UnregisterDataNotify = EfiIp6ConfigUnregisterDataNotify;
-
-
- //
- // Publish the IP6 configuration form
- //
- return Ip6ConfigFormInit (Instance);
-}
-
-/**
- Release an IP6_CONFIG_INSTANCE.
-
- @param[in, out] Instance The buffer of IP6_CONFIG_INSTANCE to be freed.
-
-**/
-VOID
-Ip6ConfigCleanInstance (
- IN OUT IP6_CONFIG_INSTANCE *Instance
- )
-{
- UINTN Index;
- IP6_CONFIG_DATA_ITEM *DataItem;
-
- if (Instance->DeclineAddress != NULL) {
- FreePool (Instance->DeclineAddress);
- }
-
- if (!Instance->Configured) {
- return ;
- }
-
- if (Instance->Dhcp6Handle != NULL) {
-
- Ip6ConfigDestroyDhcp6 (Instance);
- }
-
- //
- // Close the event.
- //
- if (Instance->Dhcp6Event != NULL) {
- gBS->CloseEvent (Instance->Dhcp6Event);
- }
-
- NetMapClean (&Instance->DadPassedMap);
- NetMapClean (&Instance->DadFailedMap);
-
- for (Index = 0; Index < Ip6ConfigDataTypeMaximum; Index++) {
-
- DataItem = &Instance->DataItem[Index];
-
- if (!DATA_ATTRIB_SET (DataItem->Attribute, DATA_ATTRIB_SIZE_FIXED)) {
- if (DataItem->Data.Ptr != NULL) {
- FreePool (DataItem->Data.Ptr);
- }
- DataItem->Data.Ptr = NULL;
- DataItem->DataSize = 0;
- }
-
- NetMapClean (&Instance->DataItem[Index].EventMap);
- }
-
- Ip6ConfigFormUnload (Instance);
-
- RemoveEntryList (&Instance->Link);
-}
-
-/**
- Destroy the Dhcp6 child in IP6_CONFIG_INSTANCE and release the resources.
-
- @param[in, out] Instance The buffer of IP6_CONFIG_INSTANCE to be freed.
-
- @retval EFI_SUCCESS The child was successfully destroyed.
- @retval Others Failed to destroy the child.
-
-**/
-EFI_STATUS
-Ip6ConfigDestroyDhcp6 (
- IN OUT IP6_CONFIG_INSTANCE *Instance
- )
-{
- IP6_SERVICE *IpSb;
- EFI_STATUS Status;
- EFI_DHCP6_PROTOCOL *Dhcp6;
-
- Dhcp6 = Instance->Dhcp6;
- ASSERT (Dhcp6 != NULL);
-
- Dhcp6->Stop (Dhcp6);
- Dhcp6->Configure (Dhcp6, NULL);
- Instance->Dhcp6 = NULL;
-
- IpSb = IP6_SERVICE_FROM_IP6_CONFIG_INSTANCE (Instance);
-
- //
- // Close DHCPv6 protocol and destroy the child.
- //
- Status = gBS->CloseProtocol (
- Instance->Dhcp6Handle,
- &gEfiDhcp6ProtocolGuid,
- IpSb->Image,
- IpSb->Controller
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = NetLibDestroyServiceChild (
- IpSb->Controller,
- IpSb->Image,
- &gEfiDhcp6ServiceBindingProtocolGuid,
- Instance->Dhcp6Handle
- );
-
- Instance->Dhcp6Handle = NULL;
-
- return Status;
-}
-
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