/** @file
Functions declaration related with DHCPv6 for UefiPxeBc Driver.
Copyright (c) 2009 - 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
which 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_PXEBC_DHCP6_H__
#define __EFI_PXEBC_DHCP6_H__
#define PXEBC_DHCP6_OPTION_MAX_NUM 16
#define PXEBC_DHCP6_OPTION_MAX_SIZE 312
#define PXEBC_DHCP6_PACKET_MAX_SIZE (sizeof (EFI_PXE_BASE_CODE_PACKET))
#define PXEBC_IP6_POLICY_MAX 0xff
#define PXEBC_IP6_ROUTE_TABLE_TIMEOUT 10
#define PXEBC_DHCP6_S_PORT 547
#define PXEBC_DHCP6_C_PORT 546
#define PXEBC_DHCP6_ENTERPRISE_NUM 343 // TODO: IANA TBD: temporarily using Intel's
#define PXEBC_DHCP6_MAX_BOOT_FILE_SIZE 65535 // It's a limitation of bit length, 65535*512 bytes.
#define PXEBC_DHCP6_IDX_IA_NA 0
#define PXEBC_DHCP6_IDX_BOOT_FILE_URL 1
#define PXEBC_DHCP6_IDX_BOOT_FILE_PARAM 2
#define PXEBC_DHCP6_IDX_VENDOR_CLASS 3
#define PXEBC_DHCP6_IDX_DNS_SERVER 4
#define PXEBC_DHCP6_IDX_MAX 5
#define PXEBC_DHCP6_BOOT_FILE_URL_PREFIX "tftp://"
#define PXEBC_TFTP_URL_SEPARATOR '/'
#define PXEBC_ADDR_START_DELIMITER '['
#define PXEBC_ADDR_END_DELIMITER ']'
#define GET_NEXT_DHCP6_OPTION(Opt) \
(EFI_DHCP6_PACKET_OPTION *) ((UINT8 *) (Opt) + \
sizeof (EFI_DHCP6_PACKET_OPTION) + (NTOHS ((Opt)->OpLen)) - 1)
#define GET_DHCP6_OPTION_SIZE(Pkt) \
((Pkt)->Length - sizeof (EFI_DHCP6_HEADER))
#define IS_PROXY_OFFER(Type) \
((Type) == PxeOfferTypeProxyBinl || \
(Type) == PxeOfferTypeProxyPxe10 || \
(Type) == PxeOfferTypeProxyWfm11a)
#pragma pack(1)
typedef struct {
UINT16 OpCode[256];
} PXEBC_DHCP6_OPTION_ORO;
typedef struct {
UINT8 Type;
UINT8 MajorVer;
UINT8 MinorVer;
} PXEBC_DHCP6_OPTION_UNDI;
typedef struct {
UINT16 Type;
} PXEBC_DHCP6_OPTION_ARCH;
typedef struct {
UINT8 ClassIdentifier[10];
UINT8 ArchitecturePrefix[5];
UINT8 ArchitectureType[5];
UINT8 Lit3[1];
UINT8 InterfaceName[4];
UINT8 Lit4[1];
UINT8 UndiMajor[3];
UINT8 UndiMinor[3];
} PXEBC_CLASS_ID;
typedef struct {
UINT32 Vendor;
UINT16 ClassLen;
PXEBC_CLASS_ID ClassId;
} PXEBC_DHCP6_OPTION_VENDOR_CLASS;
#pragma pack()
typedef union {
PXEBC_DHCP6_OPTION_ORO *Oro;
PXEBC_DHCP6_OPTION_UNDI *Undi;
PXEBC_DHCP6_OPTION_ARCH *Arch;
PXEBC_DHCP6_OPTION_VENDOR_CLASS *VendorClass;
} PXEBC_DHCP6_OPTION_ENTRY;
typedef struct {
LIST_ENTRY Link;
EFI_DHCP6_PACKET_OPTION *Option;
UINT8 Precedence;
} PXEBC_DHCP6_OPTION_NODE;
#define PXEBC_CACHED_DHCP6_PACKET_MAX_SIZE (OFFSET_OF (EFI_DHCP6_PACKET, Dhcp6) + PXEBC_DHCP6_PACKET_MAX_SIZE)
typedef union {
EFI_DHCP6_PACKET Offer;
EFI_DHCP6_PACKET Ack;
UINT8 Buffer[PXEBC_CACHED_DHCP6_PACKET_MAX_SIZE];
} PXEBC_DHCP6_PACKET;
typedef struct {
PXEBC_DHCP6_PACKET Packet;
PXEBC_OFFER_TYPE OfferType;
EFI_DHCP6_PACKET_OPTION *OptList[PXEBC_DHCP6_IDX_MAX];
} PXEBC_DHCP6_PACKET_CACHE;
/**
Free all the nodes in the boot file list.
@param[in] Head The pointer to the head of the list.
**/
VOID
PxeBcFreeBootFileOption (
IN LIST_ENTRY *Head
);
/**
Parse the Boot File URL option.
@param[in] Private Pointer to PxeBc private data.
@param[out] FileName The pointer to the boot file name.
@param[in, out] SrvAddr The pointer to the boot server address.
@param[in] BootFile The pointer to the boot file URL option data.
@param[in] Length Length of the boot file URL option data.
@retval EFI_ABORTED User canceled the operation.
@retval EFI_SUCCESS Selected the boot menu successfully.
@retval EFI_NOT_READY Read the input key from the keybroad has not finish.
**/
EFI_STATUS
PxeBcExtractBootFileUrl (
IN PXEBC_PRIVATE_DATA *Private,
OUT UINT8 **FileName,
IN OUT EFI_IPv6_ADDRESS *SrvAddr,
IN CHAR8 *BootFile,
IN UINT16 Length
);
/**
Parse the Boot File Parameter option.
@param[in] BootFilePara The pointer to the boot file parameter option data.
@param[out] BootFileSize The pointer to the parsed boot file size.
@retval EFI_SUCCESS Successfully obtained the boot file size from parameter option.
@retval EFI_NOT_FOUND Failed to extract the boot file size from parameter option.
**/
EFI_STATUS
PxeBcExtractBootFileParam (
IN CHAR8 *BootFilePara,
OUT UINT16 *BootFileSize
);
/**
Parse the cached DHCPv6 packet, including all the options.
@param[in] Cache6 The pointer to a cached DHCPv6 packet.
@retval EFI_SUCCESS Parsed the DHCPv6 packet successfully.
@retval EFI_DEVICE_ERROR Failed to parse and invalid packet.
**/
EFI_STATUS
PxeBcParseDhcp6Packet (
IN PXEBC_DHCP6_PACKET_CACHE *Cache6
);
/**
Register the ready address by Ip6Config protocol.
@param[in] Private The pointer to the PxeBc private data.
@param[in] Address The pointer to the ready address.
@retval EFI_SUCCESS Registered the address succesfully.
@retval Others Failed to register the address.
**/
EFI_STATUS
PxeBcRegisterIp6Address (
IN PXEBC_PRIVATE_DATA *Private,
IN EFI_IPv6_ADDRESS *Address
);
/**
Unregister the address by Ip6Config protocol.
@param[in] Private The pointer to the PxeBc private data.
**/
VOID
PxeBcUnregisterIp6Address (
IN PXEBC_PRIVATE_DATA *Private
);
/**
Build and send out the request packet for the bootfile, and parse the reply.
@param[in] Private The pointer to the PxeBc private data.
@param[in] Type PxeBc option boot item type.
@param[in] Layer The pointer to the option boot item layer.
@param[in] UseBis Use BIS or not.
@param[in] DestIp The pointer to the server address.
@retval EFI_SUCCESS Successfully discovered theboot file.
@retval EFI_OUT_OF_RESOURCES Failed to allocate resource.
@retval EFI_NOT_FOUND Can't get the PXE reply packet.
@retval Others Failed to discover boot file.
**/
EFI_STATUS
PxeBcDhcp6Discover (
IN PXEBC_PRIVATE_DATA *Private,
IN UINT16 Type,
IN UINT16 *Layer,
IN BOOLEAN UseBis,
IN EFI_IP_ADDRESS *DestIp
);
/**
Set the IP6 policy to Automatic.
@param[in] Private The pointer to PXEBC_PRIVATE_DATA.
@retval EFI_SUCCESS Switch the IP policy succesfully.
@retval Others Unexpect error happened.
**/
EFI_STATUS
PxeBcSetIp6Policy (
IN PXEBC_PRIVATE_DATA *Private
);
/**
This function will register the station IP address and flush IP instance to start using the new IP address.
@param[in] Private The pointer to PXEBC_PRIVATE_DATA.
@retval EFI_SUCCESS The new IP address has been configured successfully.
@retval Others Failed to configure the address.
**/
EFI_STATUS
PxeBcSetIp6Address (
IN PXEBC_PRIVATE_DATA *Private
);
/**
Start the DHCPv6 S.A.R.R. process to acquire the IPv6 address and other PXE boot information.
@param[in] Private The pointer to the PxeBc private data.
@param[in] Dhcp6 The pointer to EFI_DHCP6_PROTOCOL.
@retval EFI_SUCCESS The S.A.R.R. process successfully finished.
@retval Others Failed to finish the S.A.R.R. process.
**/
EFI_STATUS
PxeBcDhcp6Sarr (
IN PXEBC_PRIVATE_DATA *Private,
IN EFI_DHCP6_PROTOCOL *Dhcp6
);
#endif