-/**\r
- ISci DHCP related configuration routines.\r
+/** @file\r
+ iSCSI DHCP related configuration routines.\r
\r
-Copyright (c) 2004 - 2007, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>\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
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
\r
-Module Name:\r
-\r
- IScsiDhcp.c\r
-\r
-Abstract:\r
-\r
- IScsi DHCP related configuration routines.\r
-\r
**/\r
\r
#include "IScsiImpl.h"\r
/**\r
Extract the Root Path option and get the required target information.\r
\r
- @param RootPath[in] The RootPath.\r
-\r
- @param Length[in] Length of the RootPath option payload.\r
-\r
- @param ConfigNvData[in] The iSCSI session configuration data read from nonvolatile device.\r
+ @param[in] RootPath The RootPath.\r
+ @param[in] Length Length of the RootPath option payload.\r
+ @param[in, out] ConfigNvData The iSCSI session configuration data read from nonvolatile device.\r
\r
@retval EFI_SUCCESS All required information is extracted from the RootPath option.\r
-\r
@retval EFI_NOT_FOUND The RootPath is not an iSCSI RootPath.\r
-\r
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r
-\r
@retval EFI_INVALID_PARAMETER The RootPath is mal-formatted.\r
-\r
**/\r
EFI_STATUS\r
IScsiDhcpExtractRootPath (\r
- IN CHAR8 *RootPath,\r
- IN UINT8 Length,\r
- IN ISCSI_SESSION_CONFIG_NVDATA *ConfigNvData\r
+ IN CHAR8 *RootPath,\r
+ IN UINT8 Length,\r
+ IN OUT ISCSI_SESSION_CONFIG_NVDATA *ConfigNvData\r
)\r
{\r
EFI_STATUS Status;\r
TmpStr[Length] = '\0';\r
\r
Index = 0;\r
- FieldIndex = 0;\r
+ FieldIndex = RP_FIELD_IDX_SERVERNAME;\r
ZeroMem (&Fields[0], sizeof (Fields));\r
\r
//\r
// Extract the fields in the Root Path option string.\r
//\r
- for (FieldIndex = 0; (FieldIndex < RP_FIELD_IDX_MAX) && (Index < Length); FieldIndex++) {\r
+ for (FieldIndex = RP_FIELD_IDX_SERVERNAME; (FieldIndex < RP_FIELD_IDX_MAX) && (Index < Length); FieldIndex++) {\r
if (TmpStr[Index] != ISCSI_ROOT_PATH_FIELD_DELIMITER) {\r
Fields[FieldIndex].Str = &TmpStr[Index];\r
}\r
goto ON_EXIT;\r
}\r
\r
- if ((Fields[RP_FIELD_IDX_SERVERNAME].Str == NULL) ||\r
+ if ((Fields[RP_FIELD_IDX_SERVERNAME].Str == NULL) ||\r
(Fields[RP_FIELD_IDX_TARGETNAME].Str == NULL) ||\r
(Fields[RP_FIELD_IDX_PROTOCOL].Len > 1)\r
) {\r
goto ON_EXIT;\r
}\r
\r
- AsciiStrCpy (ConfigNvData->TargetName, Field->Str);\r
+ AsciiStrCpyS (ConfigNvData->TargetName, ISCSI_NAME_MAX_SIZE, Field->Str);\r
\r
ON_EXIT:\r
\r
- gBS->FreePool (TmpStr);\r
+ FreePool (TmpStr);\r
\r
return Status;\r
}\r
/**\r
The callback function registerd to the DHCP4 instance which is used to select\r
the qualified DHCP OFFER.\r
- \r
- @param This[in] The DHCP4 protocol.\r
-\r
- @param Context[in] The context set when configuring the DHCP4 protocol.\r
-\r
- @param CurrentState[in] The current state of the DHCP4 protocol.\r
-\r
- @param Dhcp4Event[in] The event occurs in the current state.\r
\r
- @param Packet[in] The DHCP packet that is to be sent or already received. \r
-\r
- @param NewPackt[out] The packet used to replace the above Packet.\r
-\r
- @retval EFI_NOT_READY The DHCP OFFER packet doesn't match our requirements.\r
+ @param[in] This The DHCP4 protocol.\r
+ @param[in] Context The context set when configuring the DHCP4 protocol.\r
+ @param[in] CurrentState The current state of the DHCP4 protocol.\r
+ @param[in] Dhcp4Event The event occurs in the current state.\r
+ @param[in] Packet The DHCP packet that is to be sent or already received.\r
+ @param[out] NewPacket The packet used to replace the above Packet.\r
\r
@retval EFI_SUCCESS Either the DHCP OFFER is qualified or we're not intereseted\r
in the Dhcp4Event.\r
-\r
+ @retval EFI_NOT_READY The DHCP OFFER packet doesn't match our requirements.\r
+ @retval Others Other errors as indicated.\r
**/\r
EFI_STATUS\r
+EFIAPI\r
IScsiDhcpSelectOffer (\r
IN EFI_DHCP4_PROTOCOL * This,\r
IN VOID *Context,\r
\r
Status = This->Parse (This, Packet, &OptionCount, OptionList);\r
if (EFI_ERROR (Status)) {\r
- gBS->FreePool (OptionList);\r
+ FreePool (OptionList);\r
return EFI_NOT_READY;\r
}\r
\r
for (Index = 0; Index < OptionCount; Index++) {\r
- if (OptionList[Index]->OpCode != DHCP4_TAG_ROOT_PATH) {\r
+ if (OptionList[Index]->OpCode != DHCP4_TAG_ROOTPATH) {\r
continue;\r
}\r
\r
break;\r
}\r
\r
- if ((Index == OptionCount)) {\r
+ if (Index == OptionCount) {\r
Status = EFI_NOT_READY;\r
}\r
\r
- gBS->FreePool (OptionList);\r
+ FreePool (OptionList);\r
\r
return Status;\r
}\r
/**\r
Parse the DHCP ACK to get the address configuration and DNS information.\r
\r
- @param Dhcp4[in] The DHCP4 protocol.\r
-\r
- @param ConfigData[in] The session configuration data.\r
+ @param[in] Dhcp4 The DHCP4 protocol.\r
+ @param[in, out] ConfigData The session configuration data.\r
\r
@retval EFI_SUCCESS The DNS information is got from the DHCP ACK.\r
-\r
@retval EFI_NO_MAPPING DHCP failed to acquire address and other information.\r
-\r
@retval EFI_INVALID_PARAMETER The DHCP ACK's DNS option is mal-formatted.\r
-\r
- @retval EFI_DEVICE_ERROR Some unexpected error happened.\r
-\r
+ @retval EFI_DEVICE_ERROR Other errors as indicated.\r
**/\r
EFI_STATUS\r
IScsiParseDhcpAck (\r
- IN EFI_DHCP4_PROTOCOL *Dhcp4,\r
- IN ISCSI_SESSION_CONFIG_DATA *ConfigData\r
+ IN EFI_DHCP4_PROTOCOL *Dhcp4,\r
+ IN OUT ISCSI_SESSION_CONFIG_DATA *ConfigData\r
)\r
{\r
EFI_STATUS Status;\r
\r
Status = Dhcp4->Parse (Dhcp4, Dhcp4ModeData.ReplyPacket, &OptionCount, OptionList);\r
if (EFI_ERROR (Status)) {\r
- gBS->FreePool (OptionList);\r
+ FreePool (OptionList);\r
return EFI_DEVICE_ERROR;\r
}\r
\r
//\r
// Get DNS server addresses and DHCP server address from this offer.\r
//\r
- if (OptionList[Index]->OpCode == DHCP4_TAG_DNS) {\r
+ if (OptionList[Index]->OpCode == DHCP4_TAG_DNS_SERVER) {\r
\r
if (((OptionList[Index]->Length & 0x3) != 0) || (OptionList[Index]->Length == 0)) {\r
Status = EFI_INVALID_PARAMETER;\r
}\r
}\r
\r
- gBS->FreePool (OptionList);\r
+ FreePool (OptionList);\r
\r
return Status;\r
}\r
\r
/**\r
Parse the DHCP ACK to get the address configuration and DNS information.\r
- \r
- @param Image[in] The handle of the driver image.\r
-\r
- @param Controller[in] The handle of the controller;\r
\r
- @param ConfigData[in] The session configuration data.\r
+ @param[in] Image The handle of the driver image.\r
+ @param[in] Controller The handle of the controller;\r
+ @param[in, out] ConfigData The session configuration data.\r
\r
@retval EFI_SUCCESS The DNS information is got from the DHCP ACK.\r
-\r
- @retval EFI_NO_MAPPING DHCP failed to acquire address and other information.\r
-\r
- @retval EFI_INVALID_PARAMETER The DHCP ACK's DNS option is mal-formatted.\r
-\r
- @retval EFI_DEVICE_ERROR Some unexpected error happened.\r
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r
+ @retval EFI_NO_MEDIA There was a media error.\r
+ @retval Others Other errors as indicated.\r
\r
**/\r
EFI_STATUS\r
IScsiDoDhcp (\r
- IN EFI_HANDLE Image,\r
- IN EFI_HANDLE Controller,\r
- IN ISCSI_SESSION_CONFIG_DATA *ConfigData\r
+ IN EFI_HANDLE Image,\r
+ IN EFI_HANDLE Controller,\r
+ IN OUT ISCSI_SESSION_CONFIG_DATA *ConfigData\r
)\r
{\r
EFI_HANDLE Dhcp4Handle;\r
EFI_STATUS Status;\r
EFI_DHCP4_PACKET_OPTION *ParaList;\r
EFI_DHCP4_CONFIG_DATA Dhcp4ConfigData;\r
+ EFI_STATUS MediaStatus;\r
+ UINT8 *Data;\r
\r
Dhcp4Handle = NULL;\r
Dhcp4 = NULL;\r
ParaList = NULL;\r
\r
+ //\r
+ // Check media status before do DHCP\r
+ //\r
+ MediaStatus = EFI_SUCCESS;\r
+ NetLibDetectMediaWaitTimeout (Controller, ISCSI_CHECK_MEDIA_GET_DHCP_WAITING_TIME, &MediaStatus);\r
+ if (MediaStatus != EFI_SUCCESS) {\r
+ return EFI_NO_MEDIA;\r
+ }\r
+\r
//\r
// Create a DHCP4 child instance and get the protocol.\r
//\r
//\r
ParaList->OpCode = DHCP4_TAG_PARA_LIST;\r
ParaList->Length = (UINT8) (ConfigData->NvData.TargetInfoFromDhcp ? 4 : 3);\r
- ParaList->Data[0] = DHCP4_TAG_NETMASK;\r
- ParaList->Data[1] = DHCP4_TAG_ROUTER;\r
- ParaList->Data[2] = DHCP4_TAG_DNS;\r
- ParaList->Data[3] = DHCP4_TAG_ROOT_PATH;\r
+ Data = &ParaList->Data[0];\r
+ Data[0] = DHCP4_TAG_NETMASK;\r
+ Data[1] = DHCP4_TAG_ROUTER;\r
+ Data[2] = DHCP4_TAG_DNS_SERVER;\r
+ Data[3] = DHCP4_TAG_ROOTPATH;\r
\r
ZeroMem (&Dhcp4ConfigData, sizeof (EFI_DHCP4_CONFIG_DATA));\r
Dhcp4ConfigData.OptionCount = 1;\r
ON_EXIT:\r
\r
if (ParaList != NULL) {\r
- gBS->FreePool (ParaList);\r
+ FreePool (ParaList);\r
}\r
\r
if (Dhcp4 != NULL) {\r
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