diff options
Diffstat (limited to 'NetworkPkg/HttpBootDxe/HttpBootDhcp4.h')
| -rw-r--r-- | NetworkPkg/HttpBootDxe/HttpBootDhcp4.h | 562 |
1 files changed, 281 insertions, 281 deletions
diff --git a/NetworkPkg/HttpBootDxe/HttpBootDhcp4.h b/NetworkPkg/HttpBootDxe/HttpBootDhcp4.h index 47e07aaa85..200501666b 100644 --- a/NetworkPkg/HttpBootDxe/HttpBootDhcp4.h +++ b/NetworkPkg/HttpBootDxe/HttpBootDhcp4.h @@ -1,281 +1,281 @@ -/** @file - Functions declaration related with DHCPv4 for HTTP boot driver. - -Copyright (c) 2015, 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 that 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. - -**/ - -#ifndef __EFI_UEFI_HTTP_BOOT_DHCP4_H__ -#define __EFI_UEFI_HTTP_BOOT_DHCP4_H__ - -#define HTTP_BOOT_DHCP4_OPTION_MAX_NUM 16 -#define HTTP_BOOT_DHCP4_OPTION_MAX_SIZE 312 -#define HTTP_BOOT_DHCP4_PACKET_MAX_SIZE 1472 - -#define HTTP_BOOT_DHCP4_OPCODE_REQUEST 1 -#define HTTP_BOOT_DHCP4_OPCODE_REPLY 2 -#define HTTP_BOOT_DHCP4_MSG_TYPE_REQUEST 3 -#define HTTP_BOOT_DHCP4_MAGIC 0x63538263 // network byte order - -// -// Dhcp Options -// -#define HTTP_BOOT_DHCP4_TAG_PAD 0 // Pad Option -#define HTTP_BOOT_DHCP4_TAG_EOP 255 // End Option -#define HTTP_BOOT_DHCP4_TAG_NETMASK 1 // Subnet Mask -#define HTTP_BOOT_DHCP4_TAG_TIME_OFFSET 2 // Time Offset from UTC -#define HTTP_BOOT_DHCP4_TAG_ROUTER 3 // Router option, -#define HTTP_BOOT_DHCP4_TAG_TIME_SERVER 4 // Time Server -#define HTTP_BOOT_DHCP4_TAG_NAME_SERVER 5 // Name Server -#define HTTP_BOOT_DHCP4_TAG_DNS_SERVER 6 // Domain Name Server -#define HTTP_BOOT_DHCP4_TAG_HOSTNAME 12 // Host Name -#define HTTP_BOOT_DHCP4_TAG_BOOTFILE_LEN 13 // Boot File Size -#define HTTP_BOOT_DHCP4_TAG_DUMP 14 // Merit Dump File -#define HTTP_BOOT_DHCP4_TAG_DOMAINNAME 15 // Domain Name -#define HTTP_BOOT_DHCP4_TAG_ROOTPATH 17 // Root path -#define HTTP_BOOT_DHCP4_TAG_EXTEND_PATH 18 // Extensions Path -#define HTTP_BOOT_DHCP4_TAG_EMTU 22 // Maximum Datagram Reassembly Size -#define HTTP_BOOT_DHCP4_TAG_TTL 23 // Default IP Time-to-live -#define HTTP_BOOT_DHCP4_TAG_BROADCAST 28 // Broadcast Address -#define HTTP_BOOT_DHCP4_TAG_NIS_DOMAIN 40 // Network Information Service Domain -#define HTTP_BOOT_DHCP4_TAG_NIS_SERVER 41 // Network Information Servers -#define HTTP_BOOT_DHCP4_TAG_NTP_SERVER 42 // Network Time Protocol Servers -#define HTTP_BOOT_DHCP4_TAG_VENDOR 43 // Vendor Specific Information -#define HTTP_BOOT_DHCP4_TAG_REQUEST_IP 50 // Requested IP Address -#define HTTP_BOOT_DHCP4_TAG_LEASE 51 // IP Address Lease Time -#define HTTP_BOOT_DHCP4_TAG_OVERLOAD 52 // Option Overload -#define HTTP_BOOT_DHCP4_TAG_MSG_TYPE 53 // DHCP Message Type -#define HTTP_BOOT_DHCP4_TAG_SERVER_ID 54 // Server Identifier -#define HTTP_BOOT_DHCP4_TAG_PARA_LIST 55 // Parameter Request List -#define HTTP_BOOT_DHCP4_TAG_MAXMSG 57 // Maximum DHCP Message Size -#define HTTP_BOOT_DHCP4_TAG_T1 58 // Renewal (T1) Time Value -#define HTTP_BOOT_DHCP4_TAG_T2 59 // Rebinding (T2) Time Value -#define HTTP_BOOT_DHCP4_TAG_CLASS_ID 60 // Vendor class identifier -#define HTTP_BOOT_DHCP4_TAG_CLIENT_ID 61 // Client-identifier -#define HTTP_BOOT_DHCP4_TAG_TFTP 66 // TFTP server name -#define HTTP_BOOT_DHCP4_TAG_BOOTFILE 67 // Bootfile name -#define HTTP_BOOT_DHCP4_TAG_ARCH 93 -#define HTTP_BOOT_DHCP4_TAG_UNDI 94 -#define HTTP_BOOT_DHCP4_TAG_UUID 97 - -#define HTTP_BOOT_DHCP4_OVERLOAD_FILE 1 -#define HTTP_BOOT_DHCP4_OVERLOAD_SERVER_NAME 2 - -/// -/// HTTP Tag definition that identifies the processor -/// and programming environment of the client system. -/// These identifiers are defined by IETF: -/// http://www.ietf.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xml -/// -#if defined (MDE_CPU_IA32) -#define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE 0x000F -#elif defined (MDE_CPU_X64) -#define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE 0x0010 -#elif defined (MDE_CPU_ARM) -#define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE 0x0012 -#elif defined (MDE_CPU_AARCH64) -#define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE 0x0013 -#elif defined (MDE_CPU_EBC) -#define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE 0x0011 -#endif - -/// DHCP offer types among HTTP boot. -/// Dhcp4 and Dhcp6 share this definition, and corresponding -/// relatioinship is as follows: -/// Dhcp4Discover <> Dhcp6Solicit -/// Dhcp4Offer <> Dhcp6Advertise -/// Dhcp4Request <> Dhcp6Request -/// Dhcp4Ack <> DHcp6Reply -/// -typedef enum { - // - // <IP address, IP expressed URI> or - // <IP address, IP expressed URI, Name-server (will be ignored)> - // - HttpOfferTypeDhcpIpUri, - // - // <IP address, Domain-name expressed URI, Name-server> - // - HttpOfferTypeDhcpNameUriDns, - // - // <IP address, Name-server> - // - HttpOfferTypeDhcpDns, - // - // <IP address> - // - HttpOfferTypeDhcpOnly, - // - // <Domain-name expressed URI> or - // <Domain-name expressed URI, Name-server (will be ignored)> - // - HttpOfferTypeProxyNameUri, - // - // <IP expressed URI> or - // <IP expressed URI, Name-server (will be ignored)> - // - HttpOfferTypeProxyIpUri, - // - // <IP address, Domain-name expressed URI> - // - HttpOfferTypeDhcpNameUri, - HttpOfferTypeMax -} HTTP_BOOT_OFFER_TYPE; - -#define HTTP_BOOT_DHCP_RETRIES 4 -#define HTTP_BOOT_OFFER_MAX_NUM 16 - -// The array index of the DHCP4 option tag interested -// -#define HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE_LEN 0 -#define HTTP_BOOT_DHCP4_TAG_INDEX_OVERLOAD 1 -#define HTTP_BOOT_DHCP4_TAG_INDEX_MSG_TYPE 2 -#define HTTP_BOOT_DHCP4_TAG_INDEX_SERVER_ID 3 -#define HTTP_BOOT_DHCP4_TAG_INDEX_CLASS_ID 4 -#define HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE 5 -#define HTTP_BOOT_DHCP4_TAG_INDEX_DNS_SERVER 6 -#define HTTP_BOOT_DHCP4_TAG_INDEX_MAX 7 - -#pragma pack(1) - -typedef struct { - UINT8 ParaList[135]; -} HTTP_BOOT_DHCP4_OPTION_PARA; - -typedef struct { - UINT16 Size; -} HTTP_BOOT_DHCP4_OPTION_MAX_MESG_SIZE; - -typedef struct { - UINT8 Type; - UINT8 MajorVer; - UINT8 MinorVer; -} HTTP_BOOT_DHCP4_OPTION_UNDI; - -typedef struct { - UINT8 Type; -} HTTP_BOOT_DHCP4_OPTION_MESG; - -typedef struct { - UINT16 Type; -} HTTP_BOOT_DHCP4_OPTION_ARCH; - -typedef struct { - UINT8 ClassIdentifier[11]; - UINT8 ArchitecturePrefix[5]; - UINT8 ArchitectureType[5]; - UINT8 Lit3[1]; - UINT8 InterfaceName[4]; - UINT8 Lit4[1]; - UINT8 UndiMajor[3]; - UINT8 UndiMinor[3]; -} HTTP_BOOT_DHCP4_OPTION_CLID; - -typedef struct { - UINT8 Type; - UINT8 Guid[16]; -} HTTP_BOOT_DHCP4_OPTION_UUID; - -typedef struct { - UINT16 Type; - UINT16 Layer; -} HTTP_BOOT_OPTION_BOOT_ITEM; - -#pragma pack() - -typedef union { - HTTP_BOOT_DHCP4_OPTION_PARA *Para; - HTTP_BOOT_DHCP4_OPTION_UNDI *Undi; - HTTP_BOOT_DHCP4_OPTION_ARCH *Arch; - HTTP_BOOT_DHCP4_OPTION_CLID *Clid; - HTTP_BOOT_DHCP4_OPTION_UUID *Uuid; - HTTP_BOOT_DHCP4_OPTION_MESG *Mesg; - HTTP_BOOT_DHCP4_OPTION_MAX_MESG_SIZE *MaxMesgSize; -} HTTP_BOOT_DHCP4_OPTION_ENTRY; - -#define GET_NEXT_DHCP_OPTION(Opt) \ - (EFI_DHCP4_PACKET_OPTION *) ((UINT8 *) (Opt) + \ - sizeof (EFI_DHCP4_PACKET_OPTION) + (Opt)->Length - 1) - -#define GET_OPTION_BUFFER_LEN(Pkt) \ - ((Pkt)->Length - sizeof (EFI_DHCP4_HEADER) - 4) - -#define DEFAULT_CLASS_ID_DATA "HTTPClient:Arch:xxxxx:UNDI:003000" -#define DEFAULT_UNDI_TYPE 1 -#define DEFAULT_UNDI_MAJOR 3 -#define DEFAULT_UNDI_MINOR 0 - -typedef struct { - UINT32 Reserved; -} HTTP_BOOT_VENDOR_OPTION; - -typedef union { - EFI_DHCP4_PACKET Offer; - EFI_DHCP4_PACKET Ack; - UINT8 Buffer[HTTP_BOOT_DHCP4_PACKET_MAX_SIZE]; -} HTTP_BOOT_DHCP4_PACKET; - -typedef struct { - // - // URI component - // - CHAR8 *Scheme; - CHAR8 *Authority; - CHAR8 *Path; - CHAR8 *Query; - CHAR8 *Fragment; /// TODO: may not required in HTTP URL - - CHAR8 *RegName; /// Point to somewhere in Authority - BOOLEAN AddrIsOk; - EFI_IP_ADDRESS Address; - UINT16 Port; -} HTTP_BOOT_URI_CONTENT; - -typedef struct { - HTTP_BOOT_DHCP4_PACKET Packet; - HTTP_BOOT_OFFER_TYPE OfferType; - VOID *UriParser; - EFI_DHCP4_PACKET_OPTION *OptList[HTTP_BOOT_DHCP4_TAG_INDEX_MAX]; -} HTTP_BOOT_DHCP4_PACKET_CACHE; - -/** - Start the D.O.R.A DHCPv4 process to acquire the IPv4 address and other Http boot information. - - @param[in] Private Pointer to HTTP_BOOT private data. - - @retval EFI_SUCCESS The D.O.R.A process successfully finished. - @retval Others Failed to finish the D.O.R.A process. - -**/ -EFI_STATUS -HttpBootDhcp4Dora ( - IN HTTP_BOOT_PRIVATE_DATA *Private - ); - -/** - This function will register the default DNS addresses to the network device. - - @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA. - @param[in] DataLength Size of the buffer pointed to by DnsServerData in bytes. - @param[in] DnsServerData Point a list of DNS server address in an array - of EFI_IPv4_ADDRESS instances. - - @retval EFI_SUCCESS The DNS configuration has been configured successfully. - @retval Others Failed to configure the address. - -**/ -EFI_STATUS -HttpBootRegisterIp4Dns ( - IN HTTP_BOOT_PRIVATE_DATA *Private, - IN UINTN DataLength, - IN VOID *DnsServerData - ); - -#endif +/** @file
+ Functions declaration related with DHCPv4 for HTTP boot driver.
+
+Copyright (c) 2015, 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 that 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.
+
+**/
+
+#ifndef __EFI_UEFI_HTTP_BOOT_DHCP4_H__
+#define __EFI_UEFI_HTTP_BOOT_DHCP4_H__
+
+#define HTTP_BOOT_DHCP4_OPTION_MAX_NUM 16
+#define HTTP_BOOT_DHCP4_OPTION_MAX_SIZE 312
+#define HTTP_BOOT_DHCP4_PACKET_MAX_SIZE 1472
+
+#define HTTP_BOOT_DHCP4_OPCODE_REQUEST 1
+#define HTTP_BOOT_DHCP4_OPCODE_REPLY 2
+#define HTTP_BOOT_DHCP4_MSG_TYPE_REQUEST 3
+#define HTTP_BOOT_DHCP4_MAGIC 0x63538263 // network byte order
+
+//
+// Dhcp Options
+//
+#define HTTP_BOOT_DHCP4_TAG_PAD 0 // Pad Option
+#define HTTP_BOOT_DHCP4_TAG_EOP 255 // End Option
+#define HTTP_BOOT_DHCP4_TAG_NETMASK 1 // Subnet Mask
+#define HTTP_BOOT_DHCP4_TAG_TIME_OFFSET 2 // Time Offset from UTC
+#define HTTP_BOOT_DHCP4_TAG_ROUTER 3 // Router option,
+#define HTTP_BOOT_DHCP4_TAG_TIME_SERVER 4 // Time Server
+#define HTTP_BOOT_DHCP4_TAG_NAME_SERVER 5 // Name Server
+#define HTTP_BOOT_DHCP4_TAG_DNS_SERVER 6 // Domain Name Server
+#define HTTP_BOOT_DHCP4_TAG_HOSTNAME 12 // Host Name
+#define HTTP_BOOT_DHCP4_TAG_BOOTFILE_LEN 13 // Boot File Size
+#define HTTP_BOOT_DHCP4_TAG_DUMP 14 // Merit Dump File
+#define HTTP_BOOT_DHCP4_TAG_DOMAINNAME 15 // Domain Name
+#define HTTP_BOOT_DHCP4_TAG_ROOTPATH 17 // Root path
+#define HTTP_BOOT_DHCP4_TAG_EXTEND_PATH 18 // Extensions Path
+#define HTTP_BOOT_DHCP4_TAG_EMTU 22 // Maximum Datagram Reassembly Size
+#define HTTP_BOOT_DHCP4_TAG_TTL 23 // Default IP Time-to-live
+#define HTTP_BOOT_DHCP4_TAG_BROADCAST 28 // Broadcast Address
+#define HTTP_BOOT_DHCP4_TAG_NIS_DOMAIN 40 // Network Information Service Domain
+#define HTTP_BOOT_DHCP4_TAG_NIS_SERVER 41 // Network Information Servers
+#define HTTP_BOOT_DHCP4_TAG_NTP_SERVER 42 // Network Time Protocol Servers
+#define HTTP_BOOT_DHCP4_TAG_VENDOR 43 // Vendor Specific Information
+#define HTTP_BOOT_DHCP4_TAG_REQUEST_IP 50 // Requested IP Address
+#define HTTP_BOOT_DHCP4_TAG_LEASE 51 // IP Address Lease Time
+#define HTTP_BOOT_DHCP4_TAG_OVERLOAD 52 // Option Overload
+#define HTTP_BOOT_DHCP4_TAG_MSG_TYPE 53 // DHCP Message Type
+#define HTTP_BOOT_DHCP4_TAG_SERVER_ID 54 // Server Identifier
+#define HTTP_BOOT_DHCP4_TAG_PARA_LIST 55 // Parameter Request List
+#define HTTP_BOOT_DHCP4_TAG_MAXMSG 57 // Maximum DHCP Message Size
+#define HTTP_BOOT_DHCP4_TAG_T1 58 // Renewal (T1) Time Value
+#define HTTP_BOOT_DHCP4_TAG_T2 59 // Rebinding (T2) Time Value
+#define HTTP_BOOT_DHCP4_TAG_CLASS_ID 60 // Vendor class identifier
+#define HTTP_BOOT_DHCP4_TAG_CLIENT_ID 61 // Client-identifier
+#define HTTP_BOOT_DHCP4_TAG_TFTP 66 // TFTP server name
+#define HTTP_BOOT_DHCP4_TAG_BOOTFILE 67 // Bootfile name
+#define HTTP_BOOT_DHCP4_TAG_ARCH 93
+#define HTTP_BOOT_DHCP4_TAG_UNDI 94
+#define HTTP_BOOT_DHCP4_TAG_UUID 97
+
+#define HTTP_BOOT_DHCP4_OVERLOAD_FILE 1
+#define HTTP_BOOT_DHCP4_OVERLOAD_SERVER_NAME 2
+
+///
+/// HTTP Tag definition that identifies the processor
+/// and programming environment of the client system.
+/// These identifiers are defined by IETF:
+/// http://www.ietf.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xml
+///
+#if defined (MDE_CPU_IA32)
+#define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE 0x000F
+#elif defined (MDE_CPU_X64)
+#define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE 0x0010
+#elif defined (MDE_CPU_ARM)
+#define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE 0x0012
+#elif defined (MDE_CPU_AARCH64)
+#define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE 0x0013
+#elif defined (MDE_CPU_EBC)
+#define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE 0x0011
+#endif
+
+/// DHCP offer types among HTTP boot.
+/// Dhcp4 and Dhcp6 share this definition, and corresponding
+/// relatioinship is as follows:
+/// Dhcp4Discover <> Dhcp6Solicit
+/// Dhcp4Offer <> Dhcp6Advertise
+/// Dhcp4Request <> Dhcp6Request
+/// Dhcp4Ack <> DHcp6Reply
+///
+typedef enum {
+ //
+ // <IP address, IP expressed URI> or
+ // <IP address, IP expressed URI, Name-server (will be ignored)>
+ //
+ HttpOfferTypeDhcpIpUri,
+ //
+ // <IP address, Domain-name expressed URI, Name-server>
+ //
+ HttpOfferTypeDhcpNameUriDns,
+ //
+ // <IP address, Name-server>
+ //
+ HttpOfferTypeDhcpDns,
+ //
+ // <IP address>
+ //
+ HttpOfferTypeDhcpOnly,
+ //
+ // <Domain-name expressed URI> or
+ // <Domain-name expressed URI, Name-server (will be ignored)>
+ //
+ HttpOfferTypeProxyNameUri,
+ //
+ // <IP expressed URI> or
+ // <IP expressed URI, Name-server (will be ignored)>
+ //
+ HttpOfferTypeProxyIpUri,
+ //
+ // <IP address, Domain-name expressed URI>
+ //
+ HttpOfferTypeDhcpNameUri,
+ HttpOfferTypeMax
+} HTTP_BOOT_OFFER_TYPE;
+
+#define HTTP_BOOT_DHCP_RETRIES 4
+#define HTTP_BOOT_OFFER_MAX_NUM 16
+
+// The array index of the DHCP4 option tag interested
+//
+#define HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE_LEN 0
+#define HTTP_BOOT_DHCP4_TAG_INDEX_OVERLOAD 1
+#define HTTP_BOOT_DHCP4_TAG_INDEX_MSG_TYPE 2
+#define HTTP_BOOT_DHCP4_TAG_INDEX_SERVER_ID 3
+#define HTTP_BOOT_DHCP4_TAG_INDEX_CLASS_ID 4
+#define HTTP_BOOT_DHCP4_TAG_INDEX_BOOTFILE 5
+#define HTTP_BOOT_DHCP4_TAG_INDEX_DNS_SERVER 6
+#define HTTP_BOOT_DHCP4_TAG_INDEX_MAX 7
+
+#pragma pack(1)
+
+typedef struct {
+ UINT8 ParaList[135];
+} HTTP_BOOT_DHCP4_OPTION_PARA;
+
+typedef struct {
+ UINT16 Size;
+} HTTP_BOOT_DHCP4_OPTION_MAX_MESG_SIZE;
+
+typedef struct {
+ UINT8 Type;
+ UINT8 MajorVer;
+ UINT8 MinorVer;
+} HTTP_BOOT_DHCP4_OPTION_UNDI;
+
+typedef struct {
+ UINT8 Type;
+} HTTP_BOOT_DHCP4_OPTION_MESG;
+
+typedef struct {
+ UINT16 Type;
+} HTTP_BOOT_DHCP4_OPTION_ARCH;
+
+typedef struct {
+ UINT8 ClassIdentifier[11];
+ UINT8 ArchitecturePrefix[5];
+ UINT8 ArchitectureType[5];
+ UINT8 Lit3[1];
+ UINT8 InterfaceName[4];
+ UINT8 Lit4[1];
+ UINT8 UndiMajor[3];
+ UINT8 UndiMinor[3];
+} HTTP_BOOT_DHCP4_OPTION_CLID;
+
+typedef struct {
+ UINT8 Type;
+ UINT8 Guid[16];
+} HTTP_BOOT_DHCP4_OPTION_UUID;
+
+typedef struct {
+ UINT16 Type;
+ UINT16 Layer;
+} HTTP_BOOT_OPTION_BOOT_ITEM;
+
+#pragma pack()
+
+typedef union {
+ HTTP_BOOT_DHCP4_OPTION_PARA *Para;
+ HTTP_BOOT_DHCP4_OPTION_UNDI *Undi;
+ HTTP_BOOT_DHCP4_OPTION_ARCH *Arch;
+ HTTP_BOOT_DHCP4_OPTION_CLID *Clid;
+ HTTP_BOOT_DHCP4_OPTION_UUID *Uuid;
+ HTTP_BOOT_DHCP4_OPTION_MESG *Mesg;
+ HTTP_BOOT_DHCP4_OPTION_MAX_MESG_SIZE *MaxMesgSize;
+} HTTP_BOOT_DHCP4_OPTION_ENTRY;
+
+#define GET_NEXT_DHCP_OPTION(Opt) \
+ (EFI_DHCP4_PACKET_OPTION *) ((UINT8 *) (Opt) + \
+ sizeof (EFI_DHCP4_PACKET_OPTION) + (Opt)->Length - 1)
+
+#define GET_OPTION_BUFFER_LEN(Pkt) \
+ ((Pkt)->Length - sizeof (EFI_DHCP4_HEADER) - 4)
+
+#define DEFAULT_CLASS_ID_DATA "HTTPClient:Arch:xxxxx:UNDI:003000"
+#define DEFAULT_UNDI_TYPE 1
+#define DEFAULT_UNDI_MAJOR 3
+#define DEFAULT_UNDI_MINOR 0
+
+typedef struct {
+ UINT32 Reserved;
+} HTTP_BOOT_VENDOR_OPTION;
+
+typedef union {
+ EFI_DHCP4_PACKET Offer;
+ EFI_DHCP4_PACKET Ack;
+ UINT8 Buffer[HTTP_BOOT_DHCP4_PACKET_MAX_SIZE];
+} HTTP_BOOT_DHCP4_PACKET;
+
+typedef struct {
+ //
+ // URI component
+ //
+ CHAR8 *Scheme;
+ CHAR8 *Authority;
+ CHAR8 *Path;
+ CHAR8 *Query;
+ CHAR8 *Fragment; /// TODO: may not required in HTTP URL
+
+ CHAR8 *RegName; /// Point to somewhere in Authority
+ BOOLEAN AddrIsOk;
+ EFI_IP_ADDRESS Address;
+ UINT16 Port;
+} HTTP_BOOT_URI_CONTENT;
+
+typedef struct {
+ HTTP_BOOT_DHCP4_PACKET Packet;
+ HTTP_BOOT_OFFER_TYPE OfferType;
+ VOID *UriParser;
+ EFI_DHCP4_PACKET_OPTION *OptList[HTTP_BOOT_DHCP4_TAG_INDEX_MAX];
+} HTTP_BOOT_DHCP4_PACKET_CACHE;
+
+/**
+ Start the D.O.R.A DHCPv4 process to acquire the IPv4 address and other Http boot information.
+
+ @param[in] Private Pointer to HTTP_BOOT private data.
+
+ @retval EFI_SUCCESS The D.O.R.A process successfully finished.
+ @retval Others Failed to finish the D.O.R.A process.
+
+**/
+EFI_STATUS
+HttpBootDhcp4Dora (
+ IN HTTP_BOOT_PRIVATE_DATA *Private
+ );
+
+/**
+ This function will register the default DNS addresses to the network device.
+
+ @param[in] Private The pointer to HTTP_BOOT_PRIVATE_DATA.
+ @param[in] DataLength Size of the buffer pointed to by DnsServerData in bytes.
+ @param[in] DnsServerData Point a list of DNS server address in an array
+ of EFI_IPv4_ADDRESS instances.
+
+ @retval EFI_SUCCESS The DNS configuration has been configured successfully.
+ @retval Others Failed to configure the address.
+
+**/
+EFI_STATUS
+HttpBootRegisterIp4Dns (
+ IN HTTP_BOOT_PRIVATE_DATA *Private,
+ IN UINTN DataLength,
+ IN VOID *DnsServerData
+ );
+
+#endif
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