/** @file\r
Driver Binding functions and Service Binding functions\r
- implementationfor for Dhcp6 Driver.\r
+ implementation for Dhcp6 Driver.\r
\r
- Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>\r
\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php.\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "Dhcp6Impl.h"\r
\r
-\r
-EFI_DRIVER_BINDING_PROTOCOL gDhcp6DriverBinding = {\r
+EFI_DRIVER_BINDING_PROTOCOL gDhcp6DriverBinding = {\r
Dhcp6DriverBindingSupported,\r
Dhcp6DriverBindingStart,\r
Dhcp6DriverBindingStop,\r
NULL\r
};\r
\r
-EFI_SERVICE_BINDING_PROTOCOL gDhcp6ServiceBindingTemplate = {\r
+EFI_SERVICE_BINDING_PROTOCOL gDhcp6ServiceBindingTemplate = {\r
Dhcp6ServiceBindingCreateChild,\r
Dhcp6ServiceBindingDestroyChild\r
};\r
\r
-\r
/**\r
Configure the default Udp6Io to receive all the DHCP6 traffic\r
on this network interface.\r
EFI_STATUS\r
EFIAPI\r
Dhcp6ConfigureUdpIo (\r
- IN UDP_IO *UdpIo,\r
- IN VOID *Context\r
+ IN UDP_IO *UdpIo,\r
+ IN VOID *Context\r
)\r
{\r
- EFI_UDP6_PROTOCOL *Udp6;\r
- EFI_UDP6_CONFIG_DATA *Config;\r
+ EFI_UDP6_PROTOCOL *Udp6;\r
+ EFI_UDP6_CONFIG_DATA *Config;\r
\r
Udp6 = UdpIo->Protocol.Udp6;\r
Config = &(UdpIo->Config.Udp6);\r
// will be overridden later. Note that we MUST not limit RemotePort.\r
// More details, refer to RFC 3315 section 5.2.\r
//\r
- Config->StationPort = DHCP6_PORT_CLIENT;\r
- Config->RemotePort = 0;\r
+ Config->StationPort = DHCP6_PORT_CLIENT;\r
+ Config->RemotePort = 0;\r
\r
- return Udp6->Configure (Udp6, Config);;\r
+ return Udp6->Configure (Udp6, Config);\r
}\r
\r
-\r
/**\r
- Destory the Dhcp6 service. The Dhcp6 service may be partly initialized,\r
+ Destroy the Dhcp6 service. The Dhcp6 service may be partly initialized,\r
or partly destroyed. If a resource is destroyed, it is marked as such in\r
case the destroy failed and being called again later.\r
\r
**/\r
VOID\r
Dhcp6DestroyService (\r
- IN OUT DHCP6_SERVICE *Service\r
+ IN OUT DHCP6_SERVICE *Service\r
)\r
{\r
//\r
- // All children instances should have been already destoryed here.\r
+ // All children instances should have been already destroyed here.\r
//\r
ASSERT (Service->NumOfChild == 0);\r
\r
FreePool (Service);\r
}\r
\r
-\r
/**\r
Create a new Dhcp6 service for the Nic controller.\r
\r
**/\r
EFI_STATUS\r
Dhcp6CreateService (\r
- IN EFI_HANDLE Controller,\r
- IN EFI_HANDLE ImageHandle,\r
- OUT DHCP6_SERVICE **Service\r
+ IN EFI_HANDLE Controller,\r
+ IN EFI_HANDLE ImageHandle,\r
+ OUT DHCP6_SERVICE **Service\r
)\r
{\r
- DHCP6_SERVICE *Dhcp6Srv;\r
+ DHCP6_SERVICE *Dhcp6Srv;\r
+ EFI_STATUS Status;\r
\r
*Service = NULL;\r
Dhcp6Srv = AllocateZeroPool (sizeof (DHCP6_SERVICE));\r
//\r
// Initialize the fields of the new Dhcp6 service.\r
//\r
- Dhcp6Srv->Signature = DHCP6_SERVICE_SIGNATURE;\r
- Dhcp6Srv->InDestory = FALSE;\r
- Dhcp6Srv->Controller = Controller;\r
- Dhcp6Srv->Image = ImageHandle;\r
- Dhcp6Srv->Xid = (0xffffff & NET_RANDOM (NetRandomInitSeed ()));\r
+ Dhcp6Srv->Signature = DHCP6_SERVICE_SIGNATURE;\r
+ Dhcp6Srv->Controller = Controller;\r
+ Dhcp6Srv->Image = ImageHandle;\r
+ Dhcp6Srv->Xid = (0xffffff & NET_RANDOM (NetRandomInitSeed ()));\r
\r
CopyMem (\r
&Dhcp6Srv->ServiceBinding,\r
);\r
\r
//\r
- // Generate client Duid in the format of Duid-llt.\r
+ // Locate Ip6->Ip6Config and store it for get IP6 Duplicate Address Detection transmits.\r
+ //\r
+ Status = gBS->HandleProtocol (\r
+ Controller,\r
+ &gEfiIp6ConfigProtocolGuid,\r
+ (VOID **)&Dhcp6Srv->Ip6Cfg\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ FreePool (Dhcp6Srv);\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Generate client Duid: If SMBIOS system UUID is located, generate DUID in DUID-UUID format.\r
+ // Otherwise, in DUID-LLT format.\r
//\r
- Dhcp6Srv->ClientId = Dhcp6GenerateClientId (Dhcp6Srv->Snp->Mode);\r
+ Dhcp6Srv->ClientId = Dhcp6GenerateClientId (Dhcp6Srv->Snp->Mode);\r
\r
if (Dhcp6Srv->ClientId == NULL) {\r
FreePool (Dhcp6Srv);\r
return EFI_SUCCESS;\r
}\r
\r
-\r
/**\r
Destroy the Dhcp6 instance and recycle the resources.\r
\r
**/\r
VOID\r
Dhcp6DestroyInstance (\r
- IN OUT DHCP6_INSTANCE *Instance\r
+ IN OUT DHCP6_INSTANCE *Instance\r
)\r
{\r
//\r
if (Instance->IaCb.Ia->ReplyPacket != NULL) {\r
FreePool (Instance->IaCb.Ia->ReplyPacket);\r
}\r
+\r
FreePool (Instance->IaCb.Ia);\r
}\r
\r
FreePool (Instance);\r
}\r
\r
-\r
/**\r
Create the Dhcp6 instance and initialize it.\r
\r
**/\r
EFI_STATUS\r
Dhcp6CreateInstance (\r
- IN DHCP6_SERVICE *Service,\r
- OUT DHCP6_INSTANCE **Instance\r
+ IN DHCP6_SERVICE *Service,\r
+ OUT DHCP6_INSTANCE **Instance\r
)\r
{\r
- EFI_STATUS Status;\r
- DHCP6_INSTANCE *Dhcp6Ins;\r
+ EFI_STATUS Status;\r
+ DHCP6_INSTANCE *Dhcp6Ins;\r
\r
*Instance = NULL;\r
Dhcp6Ins = AllocateZeroPool (sizeof (DHCP6_INSTANCE));\r
//\r
// Initialize the fields of the new Dhcp6 instance.\r
//\r
- Dhcp6Ins->Signature = DHCP6_INSTANCE_SIGNATURE;\r
- Dhcp6Ins->UdpSts = EFI_ALREADY_STARTED;\r
- Dhcp6Ins->Service = Service;\r
- Dhcp6Ins->InDestory = FALSE;\r
- Dhcp6Ins->MediaPresent = TRUE;\r
+ Dhcp6Ins->Signature = DHCP6_INSTANCE_SIGNATURE;\r
+ Dhcp6Ins->UdpSts = EFI_ALREADY_STARTED;\r
+ Dhcp6Ins->Service = Service;\r
+ Dhcp6Ins->InDestroy = FALSE;\r
+ Dhcp6Ins->MediaPresent = TRUE;\r
\r
CopyMem (\r
&Dhcp6Ins->Dhcp6,\r
\r
//\r
// There is a timer for each Dhcp6 instance, which is used to track the\r
- // lease time of Ia and the retransmisson time of all sent packets.\r
+ // lease time of Ia and the retransmission time of all sent packets.\r
//\r
Status = gBS->CreateEvent (\r
EVT_NOTIFY_SIGNAL | EVT_TIMER,\r
return EFI_SUCCESS;\r
}\r
\r
+/**\r
+ Callback function which provided by user to remove one node in NetDestroyLinkList process.\r
+\r
+ @param[in] Entry The entry to be removed.\r
+ @param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.\r
+\r
+ @retval EFI_SUCCESS The entry has been removed successfully.\r
+ @retval Others Fail to remove the entry.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+Dhcp6DestroyChildEntry (\r
+ IN LIST_ENTRY *Entry,\r
+ IN VOID *Context\r
+ )\r
+{\r
+ DHCP6_INSTANCE *Instance;\r
+ EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r
+\r
+ if ((Entry == NULL) || (Context == NULL)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Instance = NET_LIST_USER_STRUCT_S (Entry, DHCP6_INSTANCE, Link, DHCP6_INSTANCE_SIGNATURE);\r
+ ServiceBinding = (EFI_SERVICE_BINDING_PROTOCOL *)Context;\r
+\r
+ return ServiceBinding->DestroyChild (ServiceBinding, Instance->Handle);\r
+}\r
\r
/**\r
Entry point of the DHCP6 driver to install various protocols.\r
EFI_STATUS\r
EFIAPI\r
Dhcp6DriverEntryPoint (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
)\r
{\r
return EfiLibInstallDriverBindingComponentName2 (\r
);\r
}\r
\r
-\r
/**\r
Test to see if this driver supports ControllerHandle. This service\r
is called by the EFI boot service ConnectController(). In\r
);\r
}\r
\r
-\r
/**\r
Start this driver on ControllerHandle. This service is called by the\r
EFI boot service ConnectController(). In order to make\r
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r
)\r
{\r
- EFI_STATUS Status;\r
- DHCP6_SERVICE *Service;\r
+ EFI_STATUS Status;\r
+ DHCP6_SERVICE *Service;\r
\r
//\r
- // Check the Dhcp6 serivce whether already started.\r
+ // Check the Dhcp6 service whether already started.\r
//\r
Status = gBS->OpenProtocol (\r
ControllerHandle,\r
return EFI_SUCCESS;\r
}\r
\r
-\r
/**\r
Stop this driver on ControllerHandle. This service is called by the\r
EFI boot service DisconnectController(). In order to\r
IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_TPL OldTpl;\r
- EFI_HANDLE NicHandle;\r
- EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r
- DHCP6_SERVICE *Service;\r
- DHCP6_INSTANCE *Instance;\r
+ EFI_STATUS Status;\r
+ EFI_HANDLE NicHandle;\r
+ EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;\r
+ DHCP6_SERVICE *Service;\r
+ LIST_ENTRY *List;\r
+ UINTN ListLength;\r
\r
//\r
// Find and check the Nic handle by the controller handle.\r
NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiUdp6ProtocolGuid);\r
\r
if (NicHandle == NULL) {\r
- return EFI_DEVICE_ERROR;\r
+ return EFI_SUCCESS;\r
}\r
\r
Status = gBS->OpenProtocol (\r
NicHandle,\r
&gEfiDhcp6ServiceBindingProtocolGuid,\r
- (VOID **) &ServiceBinding,\r
+ (VOID **)&ServiceBinding,\r
This->DriverBindingHandle,\r
NicHandle,\r
EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
}\r
\r
Service = DHCP6_SERVICE_FROM_THIS (ServiceBinding);\r
-\r
- if (Service->InDestory) {\r
- return EFI_SUCCESS;\r
+ if (!IsListEmpty (&Service->Child)) {\r
+ //\r
+ // Destroy all the children instances before destroy the service.\r
+ //\r
+ List = &Service->Child;\r
+ Status = NetDestroyLinkList (\r
+ List,\r
+ Dhcp6DestroyChildEntry,\r
+ ServiceBinding,\r
+ &ListLength\r
+ );\r
+ if (EFI_ERROR (Status) || (ListLength != 0)) {\r
+ Status = EFI_DEVICE_ERROR;\r
+ }\r
}\r
\r
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
+ if ((NumberOfChildren == 0) && !IsListEmpty (&Service->Child)) {\r
+ Status = EFI_DEVICE_ERROR;\r
+ }\r
\r
- if (NumberOfChildren == 0) {\r
+ if ((NumberOfChildren == 0) && IsListEmpty (&Service->Child)) {\r
//\r
- // Destory the service itself if no child instance left.\r
+ // Destroy the service itself if no child instance left.\r
//\r
- Service->InDestory = TRUE;\r
-\r
Status = gBS->UninstallProtocolInterface (\r
NicHandle,\r
&gEfiDhcp6ServiceBindingProtocolGuid,\r
ServiceBinding\r
);\r
-\r
if (EFI_ERROR (Status)) {\r
- Service->InDestory = FALSE;\r
goto ON_EXIT;\r
}\r
\r
Dhcp6DestroyService (Service);\r
-\r
- } else {\r
- //\r
- // Destory all the children instances before destory the service.\r
- //\r
- while (!IsListEmpty (&Service->Child)) {\r
- Instance = NET_LIST_HEAD (&Service->Child, DHCP6_INSTANCE, Link);\r
- ServiceBinding->DestroyChild (ServiceBinding, Instance->Handle);\r
- }\r
- //\r
- // Any of child failed to be destroyed.\r
- //\r
- if (Service->NumOfChild != 0) {\r
- Status = EFI_DEVICE_ERROR;\r
- }\r
+ Status = EFI_SUCCESS;\r
}\r
\r
ON_EXIT:\r
- gBS->RestoreTPL (OldTpl);\r
return Status;\r
}\r
\r
-\r
/**\r
Creates a child handle and installs a protocol.\r
\r
then a new handle is created. If it is a pointer to an existing\r
UEFI handle, then the protocol is added to the existing UEFI handle.\r
\r
- @retval EFI_SUCCES The protocol was added to ChildHandle.\r
+ @retval EFI_SUCCESS The protocol was added to ChildHandle.\r
@retval EFI_INVALID_PARAMETER ChildHandle is NULL.\r
@retval other The child handle was not created.\r
\r
IN OUT EFI_HANDLE *ChildHandle\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_TPL OldTpl;\r
- DHCP6_SERVICE *Service;\r
- DHCP6_INSTANCE *Instance;\r
- VOID *Udp6;\r
+ EFI_STATUS Status;\r
+ EFI_TPL OldTpl;\r
+ DHCP6_SERVICE *Service;\r
+ DHCP6_INSTANCE *Instance;\r
+ VOID *Udp6;\r
\r
- if (This == NULL || ChildHandle == NULL) {\r
+ if ((This == NULL) || (ChildHandle == NULL)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
Service = DHCP6_SERVICE_FROM_THIS (This);\r
\r
- Status = Dhcp6CreateInstance (Service, &Instance);\r
+ Status = Dhcp6CreateInstance (Service, &Instance);\r
\r
if (EFI_ERROR (Status)) {\r
return Status;\r
Status = gBS->OpenProtocol (\r
Service->UdpIo->UdpHandle,\r
&gEfiUdp6ProtocolGuid,\r
- (VOID **) &Udp6,\r
+ (VOID **)&Udp6,\r
gDhcp6DriverBinding.DriverBindingHandle,\r
Instance->Handle,\r
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
);\r
\r
if (EFI_ERROR (Status)) {\r
-\r
gBS->UninstallMultipleProtocolInterfaces (\r
Instance->Handle,\r
&gEfiDhcp6ProtocolGuid,\r
return Status;\r
}\r
\r
-\r
/**\r
Destroys a child handle with a protocol installed on it.\r
\r
@param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.\r
@param[in] ChildHandle Handle of the child to destroy\r
\r
- @retval EFI_SUCCES The protocol was removed from ChildHandle.\r
+ @retval EFI_SUCCESS The protocol was removed from ChildHandle.\r
@retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed.\r
- @retval EFI_INVALID_PARAMETER Child handle is not a valid UEFI Handle.\r
+ @retval EFI_INVALID_PARAMETER Child handle is NULL.\r
@retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle\r
because its services are being used.\r
@retval other The child handle was not destroyed\r
IN EFI_HANDLE ChildHandle\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_TPL OldTpl;\r
- EFI_DHCP6_PROTOCOL *Dhcp6;\r
- DHCP6_SERVICE *Service;\r
- DHCP6_INSTANCE *Instance;\r
+ EFI_STATUS Status;\r
+ EFI_TPL OldTpl;\r
+ EFI_DHCP6_PROTOCOL *Dhcp6;\r
+ DHCP6_SERVICE *Service;\r
+ DHCP6_INSTANCE *Instance;\r
\r
- if (This == NULL || ChildHandle == NULL) {\r
+ if ((This == NULL) || (ChildHandle == NULL)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
Status = gBS->OpenProtocol (\r
ChildHandle,\r
&gEfiDhcp6ProtocolGuid,\r
- (VOID **) &Dhcp6,\r
+ (VOID **)&Dhcp6,\r
gDhcp6DriverBinding.DriverBindingHandle,\r
ChildHandle,\r
EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- if (Instance->InDestory) {\r
+ if (Instance->InDestroy) {\r
return EFI_SUCCESS;\r
}\r
\r
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
\r
- Instance->InDestory = TRUE;\r
+ Instance->InDestroy = TRUE;\r
\r
Status = gBS->CloseProtocol (\r
Service->UdpIo->UdpHandle,\r
);\r
\r
if (EFI_ERROR (Status)) {\r
- Instance->InDestory = FALSE;\r
+ Instance->InDestroy = FALSE;\r
gBS->RestoreTPL (OldTpl);\r
return Status;\r
}\r
//\r
// Uninstall the MTFTP6 protocol first to enable a top down destruction.\r
//\r
+ gBS->RestoreTPL (OldTpl);\r
Status = gBS->UninstallProtocolInterface (\r
ChildHandle,\r
&gEfiDhcp6ProtocolGuid,\r
Dhcp6\r
);\r
-\r
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
if (EFI_ERROR (Status)) {\r
- Instance->InDestory = FALSE;\r
+ Instance->InDestroy = FALSE;\r
gBS->RestoreTPL (OldTpl);\r
return Status;\r
}\r
RemoveEntryList (&Instance->Link);\r
Service->NumOfChild--;\r
\r
- Dhcp6DestroyInstance (Instance);\r
-\r
gBS->RestoreTPL (OldTpl);\r
\r
+ Dhcp6DestroyInstance (Instance);\r
return EFI_SUCCESS;\r
}\r
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