audk/NetworkPkg/UefiPxeBcDxe/PxeBcDhcp4.h

359 lines
11 KiB
C

/** @file
Functions declaration related with DHCPv4 for UefiPxeBc Driver.
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __EFI_PXEBC_DHCP4_H__
#define __EFI_PXEBC_DHCP4_H__
#define PXEBC_DHCP4_OPTION_MAX_NUM 16
#define PXEBC_DHCP4_OPTION_MAX_SIZE 312
#define PXEBC_DHCP4_PACKET_MAX_SIZE (sizeof (EFI_PXE_BASE_CODE_PACKET))
#define PXEBC_DHCP4_S_PORT 67
#define PXEBC_DHCP4_C_PORT 68
#define PXEBC_BS_DOWNLOAD_PORT 69
#define PXEBC_BS_DISCOVER_PORT 4011
#define PXEBC_DHCP4_OPCODE_REQUEST 1
#define PXEBC_DHCP4_OPCODE_REPLY 2
#define PXEBC_DHCP4_MSG_TYPE_REQUEST 3
#define PXEBC_DHCP4_MAGIC 0x63538263 // network byte order
//
// Sub-Options in Dhcp Vendor Option
//
#define PXEBC_VENDOR_TAG_MTFTP_IP 1
#define PXEBC_VENDOR_TAG_MTFTP_CPORT 2
#define PXEBC_VENDOR_TAG_MTFTP_SPORT 3
#define PXEBC_VENDOR_TAG_MTFTP_TIMEOUT 4
#define PXEBC_VENDOR_TAG_MTFTP_DELAY 5
#define PXEBC_VENDOR_TAG_DISCOVER_CTRL 6
#define PXEBC_VENDOR_TAG_DISCOVER_MCAST 7
#define PXEBC_VENDOR_TAG_BOOT_SERVERS 8
#define PXEBC_VENDOR_TAG_BOOT_MENU 9
#define PXEBC_VENDOR_TAG_MENU_PROMPT 10
#define PXEBC_VENDOR_TAG_MCAST_ALLOC 11
#define PXEBC_VENDOR_TAG_CREDENTIAL_TYPES 12
#define PXEBC_VENDOR_TAG_BOOT_ITEM 71
#define PXEBC_BOOT_REQUEST_TIMEOUT 1
#define PXEBC_BOOT_REQUEST_RETRIES 4
#define PXEBC_DHCP4_OVERLOAD_FILE 1
#define PXEBC_DHCP4_OVERLOAD_SERVER_NAME 2
//
// The array index of the DHCP4 option tag interested
//
#define PXEBC_DHCP4_TAG_INDEX_BOOTFILE_LEN 0
#define PXEBC_DHCP4_TAG_INDEX_VENDOR 1
#define PXEBC_DHCP4_TAG_INDEX_OVERLOAD 2
#define PXEBC_DHCP4_TAG_INDEX_MSG_TYPE 3
#define PXEBC_DHCP4_TAG_INDEX_SERVER_ID 4
#define PXEBC_DHCP4_TAG_INDEX_CLASS_ID 5
#define PXEBC_DHCP4_TAG_INDEX_BOOTFILE 6
#define PXEBC_DHCP4_TAG_INDEX_MAX 7
//
// Dhcp4 and Dhcp6 share this definition, and corresponding
// relationship is as follows:
//
// Dhcp4Discover <> Dhcp6Solicit
// Dhcp4Offer <> Dhcp6Advertise
// Dhcp4Request <> Dhcp6Request
// Dhcp4Ack <> DHcp6Reply
//
typedef enum {
PxeOfferTypeDhcpOnly,
PxeOfferTypeDhcpPxe10,
PxeOfferTypeDhcpWfm11a,
PxeOfferTypeDhcpBinl,
PxeOfferTypeProxyPxe10,
PxeOfferTypeProxyWfm11a,
PxeOfferTypeProxyBinl,
PxeOfferTypeBootp,
PxeOfferTypeMax
} PXEBC_OFFER_TYPE;
#define BIT(x) (1 << x)
#define CTRL(x) (0x1F & (x))
#define DEFAULT_CLASS_ID_DATA "PXEClient:Arch:xxxxx:UNDI:003000"
#define DEFAULT_UNDI_TYPE 1
#define DEFAULT_UNDI_MAJOR 3
#define DEFAULT_UNDI_MINOR 0
#define MTFTP_VENDOR_OPTION_BIT_MAP \
(BIT (PXEBC_VENDOR_TAG_MTFTP_IP) | \
BIT (PXEBC_VENDOR_TAG_MTFTP_CPORT) | \
BIT (PXEBC_VENDOR_TAG_MTFTP_SPORT) | \
BIT (PXEBC_VENDOR_TAG_MTFTP_TIMEOUT) | \
BIT (PXEBC_VENDOR_TAG_MTFTP_DELAY))
#define DISCOVER_VENDOR_OPTION_BIT_MAP \
(BIT (PXEBC_VENDOR_TAG_DISCOVER_CTRL) | \
BIT (PXEBC_VENDOR_TAG_DISCOVER_MCAST) | \
BIT (PXEBC_VENDOR_TAG_BOOT_SERVERS) | \
BIT (PXEBC_VENDOR_TAG_BOOT_MENU) | \
BIT (PXEBC_VENDOR_TAG_MENU_PROMPT))
#define IS_VALID_BOOT_SERVERS(x) \
((((x)[0]) & BIT (PXEBC_VENDOR_TAG_BOOT_SERVERS)) \
== BIT (PXEBC_VENDOR_TAG_BOOT_SERVERS))
#define IS_VALID_BOOT_PROMPT(x) \
((((x)[0]) & BIT (PXEBC_VENDOR_TAG_MENU_PROMPT)) \
== BIT (PXEBC_VENDOR_TAG_MENU_PROMPT))
#define IS_VALID_BOOT_MENU(x) \
((((x)[0]) & BIT (PXEBC_VENDOR_TAG_BOOT_MENU)) \
== BIT (PXEBC_VENDOR_TAG_BOOT_MENU))
#define IS_VALID_MTFTP_VENDOR_OPTION(x) \
(((UINT32) ((x)[0]) & MTFTP_VENDOR_OPTION_BIT_MAP) \
== MTFTP_VENDOR_OPTION_BIT_MAP)
#define IS_VALID_DISCOVER_VENDOR_OPTION(x) \
(((UINT32) ((x)[0]) & DISCOVER_VENDOR_OPTION_BIT_MAP) != 0)
#define IS_VALID_CREDENTIAL_VENDOR_OPTION(x) \
(((UINT32) ((x)[0]) & BIT (PXEBC_VENDOR_TAG_CREDENTIAL_TYPES)) \
== BIT (PXEBC_VENDOR_TAG_CREDENTIAL_TYPES))
#define IS_VALID_BOOTITEM_VENDOR_OPTION(x) \
(((UINT32) ((x)[PXEBC_VENDOR_TAG_BOOT_ITEM / 32]) & \
BIT (PXEBC_VENDOR_TAG_BOOT_ITEM % 32)) \
== BIT (PXEBC_VENDOR_TAG_BOOT_ITEM % 32))
#define SET_VENDOR_OPTION_BIT_MAP(x, y) \
(*(x + ((y) / 32)) = (UINT32) ((UINT32) ((x)[(y) / 32]) | BIT ((y) % 32)))
#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 GET_NEXT_BOOT_SVR_ENTRY(Ent) \
(PXEBC_BOOT_SVR_ENTRY *) ((UINT8 *) Ent + sizeof (*(Ent)) + \
((Ent)->IpCnt - 1) * sizeof (EFI_IPv4_ADDRESS))
#define IS_PROXY_DHCP_OFFER(Offer) \
EFI_IP4_EQUAL (&(Offer)->Dhcp4.Header.YourAddr, &mZeroIp4Addr)
#define IS_DISABLE_BCAST_DISCOVER(x) \
(((x) & BIT (0)) == BIT (0))
#define IS_DISABLE_MCAST_DISCOVER(x) \
(((x) & BIT (1)) == BIT (1))
#define IS_ENABLE_USE_SERVER_LIST(x) \
(((x) & BIT (2)) == BIT (2))
#define IS_DISABLE_PROMPT_MENU(x) \
(((x) & BIT (3)) == BIT (3))
#pragma pack(1)
typedef struct {
UINT8 ParaList[135];
} PXEBC_DHCP4_OPTION_PARA;
typedef struct {
UINT16 Size;
} PXEBC_DHCP4_OPTION_MAX_MESG_SIZE;
typedef struct {
UINT8 Type;
UINT8 MajorVer;
UINT8 MinorVer;
} PXEBC_DHCP4_OPTION_UNDI;
typedef struct {
UINT8 Type;
} PXEBC_DHCP4_OPTION_MESG;
typedef struct {
UINT16 Type;
} PXEBC_DHCP4_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_DHCP4_OPTION_CLID;
typedef struct {
UINT8 Type;
UINT8 Guid[16];
} PXEBC_DHCP4_OPTION_UUID;
typedef struct {
UINT16 Type;
UINT16 Layer;
} PXEBC_OPTION_BOOT_ITEM;
#pragma pack()
typedef union {
PXEBC_DHCP4_OPTION_PARA *Para;
PXEBC_DHCP4_OPTION_UNDI *Undi;
PXEBC_DHCP4_OPTION_ARCH *Arch;
PXEBC_DHCP4_OPTION_CLID *Clid;
PXEBC_DHCP4_OPTION_UUID *Uuid;
PXEBC_DHCP4_OPTION_MESG *Mesg;
PXEBC_DHCP4_OPTION_MAX_MESG_SIZE *MaxMesgSize;
} PXEBC_DHCP4_OPTION_ENTRY;
#pragma pack(1)
typedef struct {
UINT16 Type;
UINT8 IpCnt;
EFI_IPv4_ADDRESS IpAddr[1];
} PXEBC_BOOT_SVR_ENTRY;
typedef struct {
UINT16 Type;
UINT8 DescLen;
UINT8 DescStr[1];
} PXEBC_BOOT_MENU_ENTRY;
typedef struct {
UINT8 Timeout;
UINT8 Prompt[1];
} PXEBC_MENU_PROMPT;
#pragma pack()
typedef struct {
UINT32 BitMap[8];
EFI_IPv4_ADDRESS MtftpIp;
UINT16 MtftpCPort;
UINT16 MtftpSPort;
UINT8 MtftpTimeout;
UINT8 MtftpDelay;
UINT8 DiscoverCtrl;
EFI_IPv4_ADDRESS DiscoverMcastIp;
EFI_IPv4_ADDRESS McastIpBase;
UINT16 McastIpBlock;
UINT16 McastIpRange;
UINT16 BootSrvType;
UINT16 BootSrvLayer;
PXEBC_BOOT_SVR_ENTRY *BootSvr;
UINT8 BootSvrLen;
PXEBC_BOOT_MENU_ENTRY *BootMenu;
UINT8 BootMenuLen;
PXEBC_MENU_PROMPT *MenuPrompt;
UINT8 MenuPromptLen;
UINT32 *CredType;
UINT8 CredTypeLen;
} PXEBC_VENDOR_OPTION;
#define PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE (OFFSET_OF (EFI_DHCP4_PACKET, Dhcp4) + PXEBC_DHCP4_PACKET_MAX_SIZE)
typedef union {
EFI_DHCP4_PACKET Offer;
EFI_DHCP4_PACKET Ack;
UINT8 Buffer[PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE];
} PXEBC_DHCP4_PACKET;
typedef struct {
PXEBC_DHCP4_PACKET Packet;
PXEBC_OFFER_TYPE OfferType;
EFI_DHCP4_PACKET_OPTION *OptList[PXEBC_DHCP4_TAG_INDEX_MAX];
PXEBC_VENDOR_OPTION VendorOpt;
} PXEBC_DHCP4_PACKET_CACHE;
/**
Create a template DHCPv4 packet as a seed.
@param[out] Seed Pointer to the seed packet.
@param[in] Udp4 Pointer to EFI_UDP4_PROTOCOL.
**/
VOID
PxeBcSeedDhcp4Packet (
OUT EFI_DHCP4_PACKET *Seed,
IN EFI_UDP4_PROTOCOL *Udp4
);
/**
Parse the cached DHCPv4 packet, including all the options.
@param[in] Cache4 Pointer to cached DHCPv4 packet.
@retval EFI_SUCCESS Parsed the DHCPv4 packet successfully.
@retval EFI_DEVICE_ERROR Failed to parse and invalid packet.
**/
EFI_STATUS
PxeBcParseDhcp4Packet (
IN PXEBC_DHCP4_PACKET_CACHE *Cache4
);
/**
Build and send out the request packet for the bootfile, and parse the reply.
@param[in] Private Pointer to PxeBc private data.
@param[in] Type PxeBc option boot item type.
@param[in] Layer Pointer to option boot item layer.
@param[in] UseBis Use BIS or not.
@param[in] DestIp Pointer to the server address.
@param[in] IpCount The total count of the server address.
@param[in] SrvList Pointer to EFI_PXE_BASE_CODE_SRVLIST.
@retval EFI_SUCCESS Successfully discovered boot 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
PxeBcDhcp4Discover (
IN PXEBC_PRIVATE_DATA *Private,
IN UINT16 Type,
IN UINT16 *Layer,
IN BOOLEAN UseBis,
IN EFI_IP_ADDRESS *DestIp,
IN UINT16 IpCount,
IN EFI_PXE_BASE_CODE_SRVLIST *SrvList
);
/**
Switch the Ip4 policy to static.
@param[in] Private The pointer to PXEBC_PRIVATE_DATA.
@retval EFI_SUCCESS The policy is already configured to static.
@retval Others Other error as indicated..
**/
EFI_STATUS
PxeBcSetIp4Policy (
IN PXEBC_PRIVATE_DATA *Private
);
/**
Start the D.O.R.A DHCPv4 process to acquire the IPv4 address and other PXE boot information.
@param[in] Private Pointer to PxeBc private data.
@param[in] Dhcp4 Pointer to the EFI_DHCP4_PROTOCOL
@retval EFI_SUCCESS The D.O.R.A process successfully finished.
@retval Others Failed to finish the D.O.R.A process.
**/
EFI_STATUS
PxeBcDhcp4Dora (
IN PXEBC_PRIVATE_DATA *Private,
IN EFI_DHCP4_PROTOCOL *Dhcp4
);
#endif