/** @file\r
The implementation of EFI_LOAD_FILE_PROTOCOL for UEFI HTTP boot.\r
\r
-Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials are licensed and made available under \r
the terms and conditions of the BSD License that accompanies this distribution. \r
The full text of the license may be found at\r
Enable the use of UEFI HTTP boot function.\r
\r
@param[in] Private The pointer to the driver's private data.\r
+ @param[in] UsingIpv6 Specifies the type of IP addresses that are to be\r
+ used during the session that is being started.\r
+ Set to TRUE for IPv6, and FALSE for IPv4.\r
+ @param[in] FilePath The device specific path of the file to load.\r
\r
@retval EFI_SUCCESS HTTP boot was successfully enabled.\r
@retval EFI_INVALID_PARAMETER Private is NULL.\r
@retval EFI_ALREADY_STARTED The driver is already in started state.\r
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources.\r
\r
**/\r
EFI_STATUS\r
HttpBootStart (\r
- IN HTTP_BOOT_PRIVATE_DATA *Private\r
+ IN HTTP_BOOT_PRIVATE_DATA *Private,\r
+ IN BOOLEAN UsingIpv6,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *FilePath\r
)\r
{\r
- UINTN Index;\r
+ UINTN Index;\r
+ EFI_STATUS Status;\r
\r
- if (Private == NULL) {\r
+ if (Private == NULL || FilePath == NULL) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
return EFI_ALREADY_STARTED;\r
}\r
\r
+ //\r
+ // Detect whether using ipv6 or not, and set it to the private data.\r
+ //\r
+ if (UsingIpv6 && Private->Ip6Nic != NULL) {\r
+ Private->UsingIpv6 = TRUE;\r
+ } else if (!UsingIpv6 && Private->Ip4Nic != NULL) {\r
+ Private->UsingIpv6 = FALSE;\r
+ } else {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ //\r
+ // Check whether the URI address is specified.\r
+ //\r
+ Status = HttpBootParseFilePath (FilePath, &Private->FilePathUri);\r
+ if (EFI_ERROR (Status)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ if (Private->FilePathUri != NULL) {\r
+ Status = HttpParseUrl (\r
+ Private->FilePathUri,\r
+ (UINT32) AsciiStrLen (Private->FilePathUri),\r
+ FALSE,\r
+ &Private->FilePathUriParser\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ }\r
+ \r
+ //\r
+ // Init the content of cached DHCP offer list.\r
+ //\r
+ ZeroMem (Private->OfferBuffer, sizeof (Private->OfferBuffer));\r
if (!Private->UsingIpv6) {\r
- //\r
- // Init the content of cached DHCP offer list.\r
- //\r
- ZeroMem (Private->OfferBuffer, sizeof (Private->OfferBuffer));\r
for (Index = 0; Index < HTTP_BOOT_OFFER_MAX_NUM; Index++) {\r
Private->OfferBuffer[Index].Dhcp4.Packet.Offer.Size = HTTP_BOOT_DHCP4_PACKET_MAX_SIZE;\r
}\r
} else {\r
- ASSERT (FALSE);\r
+ for (Index = 0; Index < HTTP_BOOT_OFFER_MAX_NUM; Index++) {\r
+ Private->OfferBuffer[Index].Dhcp6.Packet.Offer.Size = HTTP_BOOT_DHCP6_PACKET_MAX_SIZE;\r
+ }\r
}\r
\r
+ if (Private->UsingIpv6) {\r
+ //\r
+ // Set Ip6 policy to Automatic to start the Ip6 router discovery.\r
+ //\r
+ Status = HttpBootSetIp6Policy (Private);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ }\r
Private->Started = TRUE;\r
\r
return EFI_SUCCESS;\r
}\r
\r
/**\r
- Attempt to complete a DHCPv4 D.O.R.A sequence to retrieve the boot resource information.\r
+ Attempt to complete a DHCPv4 D.O.R.A or DHCPv6 S.R.A.A sequence to retrieve the boot resource information.\r
\r
@param[in] Private The pointer to the driver's private data.\r
\r
Status = EFI_DEVICE_ERROR;\r
\r
if (!Private->UsingIpv6) {\r
+ //\r
+ // Start D.O.R.A process to get a IPv4 address and other boot information.\r
+ //\r
Status = HttpBootDhcp4Dora (Private);\r
} else {\r
- ASSERT (FALSE);\r
+ //\r
+ // Start S.A.R.R process to get a IPv6 address and other boot information.\r
+ //\r
+ Status = HttpBootDhcp6Sarr (Private);\r
}\r
\r
return Status;\r
Private->BootFileUriParser = NULL;\r
Private->BootFileSize = 0;\r
Private->SelectIndex = 0;\r
- Private->SelectProxyType = HttpOfferTypeMax;\r
+ Private->SelectProxyType = HttpOfferTypeMax; \r
\r
if (!Private->UsingIpv6) {\r
//\r
}\r
}\r
} else {\r
- ASSERT (FALSE);\r
+ //\r
+ // Stop and release the DHCP6 child.\r
+ //\r
+ Private->Dhcp6->Stop (Private->Dhcp6);\r
+ Private->Dhcp6->Configure (Private->Dhcp6, NULL);\r
+ \r
+ for (Index = 0; Index < HTTP_BOOT_OFFER_MAX_NUM; Index++) {\r
+ if (Private->OfferBuffer[Index].Dhcp6.UriParser) {\r
+ HttpUrlFreeParser (Private->OfferBuffer[Index].Dhcp6.UriParser);\r
+ }\r
+ }\r
+ }\r
+\r
+ if (Private->FilePathUri!= NULL) {\r
+ FreePool (Private->FilePathUri);\r
+ HttpUrlFreeParser (Private->FilePathUriParser);\r
+ Private->FilePathUri = NULL;\r
+ Private->FilePathUriParser = NULL;\r
}\r
\r
ZeroMem (Private->OfferBuffer, sizeof (Private->OfferBuffer));\r
Private->OfferNum = 0;\r
ZeroMem (Private->OfferCount, sizeof (Private->OfferCount));\r
ZeroMem (Private->OfferIndex, sizeof (Private->OfferIndex));\r
-\r
+ \r
+ HttpBootFreeCacheList (Private);\r
+ \r
return EFI_SUCCESS;\r
}\r
\r
)\r
{\r
HTTP_BOOT_PRIVATE_DATA *Private;\r
+ HTTP_BOOT_VIRTUAL_NIC *VirtualNic;\r
BOOLEAN MediaPresent;\r
+ BOOLEAN UsingIpv6;\r
EFI_STATUS Status;\r
\r
- if (This == NULL || BufferSize == NULL) {\r
+ if (This == NULL || BufferSize == NULL || FilePath == NULL) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
return EFI_UNSUPPORTED;\r
}\r
\r
- Private = HTTP_BOOT_PRIVATE_DATA_FROM_LOADFILE (This);\r
-\r
+ VirtualNic = HTTP_BOOT_VIRTUAL_NIC_FROM_LOADFILE (This);\r
+ Private = VirtualNic->Private;\r
+ \r
//\r
// Check media status before HTTP boot start\r
//\r
if (!MediaPresent) {\r
return EFI_NO_MEDIA;\r
}\r
+ \r
+ //\r
+ // Check whether the virtual nic is using IPv6 or not.\r
+ //\r
+ UsingIpv6 = FALSE;\r
+ if (VirtualNic == Private->Ip6Nic) {\r
+ UsingIpv6 = TRUE;\r
+ }\r
\r
//\r
- // Initialize HTTP boot and load the boot file.\r
+ // Initialize HTTP boot.\r
+ //\r
+ Status = HttpBootStart (Private, UsingIpv6, FilePath);\r
+ if (Status == EFI_ALREADY_STARTED) {\r
+ //\r
+ // Restart the HTTP boot driver in 2 cases:\r
+ // 1. Http boot Driver has already been started but not on the required IP version.\r
+ // 2. The required boot FilePath is different with the one we produced in the device path\r
+ // protocol.\r
+ //\r
+ if ((UsingIpv6 != Private->UsingIpv6) || ((Private->FilePathUri != NULL) && (AsciiStrCmp (Private->BootFileUri, Private->FilePathUri) != 0))) {\r
+ Status = HttpBootStop (Private);\r
+ if (!EFI_ERROR (Status)) {\r
+ Status = HttpBootStart (Private, UsingIpv6, FilePath);\r
+ }\r
+ }\r
+ }\r
+\r
+ //\r
+ // Load the boot file.\r
//\r
- Status = HttpBootStart (Private);\r
if (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED) {\r
Status = HttpBootLoadFile (Private, BufferSize, Buffer);\r
}\r
if (Status != EFI_SUCCESS && Status != EFI_BUFFER_TOO_SMALL) {\r
HttpBootStop (Private);\r
} else {\r
- //\r
- // Stop and release the DHCP4 child.\r
- //\r
- Private->Dhcp4->Stop (Private->Dhcp4);\r
- Private->Dhcp4->Configure (Private->Dhcp4, NULL);\r
+ if (!Private->UsingIpv6) {\r
+ //\r
+ // Stop and release the DHCP4 child.\r
+ //\r
+ Private->Dhcp4->Stop (Private->Dhcp4);\r
+ Private->Dhcp4->Configure (Private->Dhcp4, NULL);\r
+ } else {\r
+ //\r
+ // Stop and release the DHCP6 child.\r
+ //\r
+ Private->Dhcp6->Stop (Private->Dhcp6);\r
+ Private->Dhcp6->Configure (Private->Dhcp6, NULL);\r
+ }\r
}\r
\r
return Status;\r
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