/** @file Functions declaration related with DHCPv4 for HTTP boot driver. Copyright (c) 2015 - 2016, 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 #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 HTTP_CLIENT_ARCH_IA32 #elif defined (MDE_CPU_X64) #define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE HTTP_CLIENT_ARCH_X64 #elif defined (MDE_CPU_ARM) #define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE HTTP_CLIENT_ARCH_ARM #elif defined (MDE_CPU_AARCH64) #define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE HTTP_CLIENT_ARCH_AARCH64 #elif defined (MDE_CPU_EBC) #define EFI_HTTP_BOOT_CLIENT_SYSTEM_ARCHITECTURE HTTP_CLIENT_ARCH_EBC #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> // HttpOfferTypeDhcpIpUri, // // <IP address, IP expressed URI, Name-server> // HttpOfferTypeDhcpIpUriDns, // // <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; #define HTTP_CACHED_DHCP4_PACKET_MAX_SIZE (OFFSET_OF (EFI_DHCP4_PACKET, Dhcp4) + HTTP_BOOT_DHCP4_PACKET_MAX_SIZE) typedef union { EFI_DHCP4_PACKET Offer; EFI_DHCP4_PACKET Ack; UINT8 Buffer[HTTP_CACHED_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; /** Select an DHCPv4 or DHCP6 offer, and record SelectIndex and SelectProxyType. @param[in] Private Pointer to HTTP boot driver private data. **/ VOID HttpBootSelectDhcpOffer ( IN HTTP_BOOT_PRIVATE_DATA *Private ); /** 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