/** @file\r
Driver Binding functions implementationfor for UefiPxeBc Driver.\r
\r
- Copyright (c) 2007 - 2013, Intel Corporation. All rights reserved.<BR>\r
+ (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>\r
+ Copyright (c) 2007 - 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
&Private->PxeBc,\r
NULL\r
);\r
+ FreePool (Private->Ip4Nic->DevicePath);\r
\r
if (Private->Snp != NULL) { \r
//\r
&Private->PxeBc,\r
NULL\r
);\r
+ FreePool (Private->Ip6Nic->DevicePath);\r
+ \r
if (Private->Snp != NULL) {\r
//\r
// Close SNP from the child virtual handle\r
Private->Mode.Ipv6Available = FALSE;\r
}\r
\r
+/**\r
+ Check whether UNDI protocol supports IPv6.\r
+\r
+ @param[in] ControllerHandle Controller handle.\r
+ @param[in] Private Pointer to PXEBC_PRIVATE_DATA.\r
+ @param[out] Ipv6Support TRUE if UNDI supports IPv6.\r
+\r
+ @retval EFI_SUCCESS Get the result whether UNDI supports IPv6 by NII or AIP protocol successfully.\r
+ @retval EFI_NOT_FOUND Don't know whether UNDI supports IPv6 since NII or AIP is not available.\r
+\r
+**/\r
+EFI_STATUS\r
+PxeBcCheckIpv6Support (\r
+ IN EFI_HANDLE ControllerHandle,\r
+ IN PXEBC_PRIVATE_DATA *Private,\r
+ OUT BOOLEAN *Ipv6Support\r
+ )\r
+{\r
+ EFI_HANDLE Handle;\r
+ EFI_ADAPTER_INFORMATION_PROTOCOL *Aip;\r
+ EFI_STATUS Status;\r
+ EFI_GUID *InfoTypesBuffer;\r
+ UINTN InfoTypeBufferCount;\r
+ UINTN TypeIndex;\r
+ BOOLEAN Supported;\r
+ VOID *InfoBlock;\r
+ UINTN InfoBlockSize;\r
+\r
+ ASSERT (Private != NULL && Ipv6Support != NULL);\r
+\r
+ //\r
+ // Check whether the UNDI supports IPv6 by NII protocol.\r
+ //\r
+ if (Private->Nii != NULL) {\r
+ *Ipv6Support = Private->Nii->Ipv6Supported;\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
+ //\r
+ // Check whether the UNDI supports IPv6 by AIP protocol.\r
+ //\r
+\r
+ //\r
+ // Get the NIC handle by SNP protocol.\r
+ // \r
+ Handle = NetLibGetSnpHandle (ControllerHandle, NULL);\r
+ if (Handle == NULL) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ Aip = NULL;\r
+ Status = gBS->HandleProtocol (\r
+ Handle,\r
+ &gEfiAdapterInformationProtocolGuid,\r
+ (VOID *) &Aip\r
+ );\r
+ if (EFI_ERROR (Status) || Aip == NULL) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ InfoTypesBuffer = NULL;\r
+ InfoTypeBufferCount = 0;\r
+ Status = Aip->GetSupportedTypes (Aip, &InfoTypesBuffer, &InfoTypeBufferCount);\r
+ if (EFI_ERROR (Status) || InfoTypesBuffer == NULL) {\r
+ FreePool (InfoTypesBuffer);\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ Supported = FALSE;\r
+ for (TypeIndex = 0; TypeIndex < InfoTypeBufferCount; TypeIndex++) {\r
+ if (CompareGuid (&InfoTypesBuffer[TypeIndex], &gEfiAdapterInfoUndiIpv6SupportGuid)) {\r
+ Supported = TRUE;\r
+ break;\r
+ }\r
+ }\r
+\r
+ FreePool (InfoTypesBuffer);\r
+ if (!Supported) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+\r
+ //\r
+ // We now have adapter information block.\r
+ //\r
+ InfoBlock = NULL;\r
+ InfoBlockSize = 0;\r
+ Status = Aip->GetInformation (Aip, &gEfiAdapterInfoUndiIpv6SupportGuid, &InfoBlock, &InfoBlockSize);\r
+ if (EFI_ERROR (Status) || InfoBlock == NULL) {\r
+ FreePool (InfoBlock);\r
+ return EFI_NOT_FOUND;\r
+ } \r
+\r
+ *Ipv6Support = ((EFI_ADAPTER_INFO_UNDI_IPV6_SUPPORT *) InfoBlock)->Ipv6Support;\r
+ FreePool (InfoBlock);\r
+ return EFI_SUCCESS;\r
+\r
+}\r
\r
/**\r
Create the opened instances based on IPv4.\r
Private->Ip4Nic->Private = Private;\r
Private->Ip4Nic->Signature = PXEBC_VIRTUAL_NIC_SIGNATURE;\r
\r
+ //\r
+ // Locate Ip4->Ip4Config2 and store it for set IPv4 Policy.\r
+ //\r
+ Status = gBS->HandleProtocol (\r
+ ControllerHandle,\r
+ &gEfiIp4Config2ProtocolGuid,\r
+ (VOID **) &Private->Ip4Config2\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ goto ON_ERROR;\r
+ }\r
+\r
//\r
// Create a device path node for Ipv4 virtual nic, and append it.\r
//\r
\r
Private->Ip6MaxPacketSize = Ip6ModeData.MaxPacketSize;\r
\r
+ if (Ip6ModeData.AddressList != NULL) {\r
+ FreePool (Ip6ModeData.AddressList);\r
+ }\r
+\r
+ if (Ip6ModeData.GroupTable != NULL) {\r
+ FreePool (Ip6ModeData.GroupTable);\r
+ }\r
+\r
+ if (Ip6ModeData.RouteTable != NULL) {\r
+ FreePool (Ip6ModeData.RouteTable);\r
+ }\r
+\r
+ if (Ip6ModeData.NeighborCache != NULL) {\r
+ FreePool (Ip6ModeData.NeighborCache);\r
+ }\r
+\r
+ if (Ip6ModeData.PrefixTable != NULL) {\r
+ FreePool (Ip6ModeData.PrefixTable);\r
+ }\r
+\r
+ if (Ip6ModeData.IcmpTypeList != NULL) {\r
+ FreePool (Ip6ModeData.IcmpTypeList);\r
+ }\r
+\r
//\r
// Locate Ip6->Ip6Config and store it for set IPv6 address.\r
//\r
// Set IPv6 avaiable flag and set default configure data for\r
// Udp6Read and Ip6 instance.\r
//\r
- Private->Mode.Ipv6Available = TRUE;\r
+ Status = PxeBcCheckIpv6Support (ControllerHandle, Private, &Private->Mode.Ipv6Available);\r
+ if (EFI_ERROR (Status)) {\r
+ //\r
+ // Fail to get the data whether UNDI supports IPv6. Set default value.\r
+ //\r
+ Private->Mode.Ipv6Available = TRUE;\r
+ }\r
+\r
+ if (!Private->Mode.Ipv6Available) {\r
+ goto ON_ERROR;\r
+ }\r
+\r
Udp6CfgData = &Private->Udp6CfgData;\r
Ip6CfgData = &Private->Ip6CfgData;\r
\r
&gEfiCallerIdGuid,\r
&Private->Id\r
);\r
- if (Private != NULL) {\r
- FreePool (Private);\r
- }\r
}\r
\r
if (IpVersion == IP_VERSION_4) {\r
PxeBcDestroyIp6Children (This, Private);\r
}\r
\r
+ if (FirstStart && Private != NULL) {\r
+ FreePool (Private);\r
+ }\r
+\r
return Status;\r
}\r
\r
EFI_LOAD_FILE_PROTOCOL *LoadFile;\r
EFI_STATUS Status;\r
EFI_HANDLE NicHandle;\r
- BOOLEAN IsIpv6;\r
PXEBC_PRIVATE_PROTOCOL *Id;\r
\r
Private = NULL;\r
VirtualNic = NULL;\r
LoadFile = NULL;\r
Id = NULL;\r
- IsIpv6 = FALSE;\r
\r
Status = gBS->OpenProtocol (\r
ControllerHandle,\r
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