mirror of https://github.com/acidanthera/audk.git
543 lines
18 KiB
C
543 lines
18 KiB
C
/** @file
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Dhcp and Discover routines for PxeBc.
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Copyright (c) 2007, Intel Corporation.<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __EFI_PXEBC_DHCP_H__
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#define __EFI_PXEBC_DHCP_H__
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typedef enum {
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PXEBC_DHCP4_MAX_OPTION_NUM = 16,
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PXEBC_DHCP4_MAX_OPTION_SIZE = 312,
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PXEBC_DHCP4_MAX_PACKET_SIZE = 1472,
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PXEBC_DHCP4_S_PORT = 67,
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PXEBC_DHCP4_C_PORT = 68,
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PXEBC_BS_DOWNLOAD_PORT = 69,
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PXEBC_BS_DISCOVER_PORT = 4011,
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PXEBC_DHCP4_OPCODE_REQUEST = 1,
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PXEBC_DHCP4_OPCODE_REPLY = 2,
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PXEBC_DHCP4_MSG_TYPE_REQUEST = 3,
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PXEBC_DHCP4_MAGIC = 0x63538263, // network byte order
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//
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// Dhcp Options
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//
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PXEBC_DHCP4_TAG_PAD = 0, // Pad Option
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PXEBC_DHCP4_TAG_EOP = 255, // End Option
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PXEBC_DHCP4_TAG_NETMASK = 1, // Subnet Mask
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PXEBC_DHCP4_TAG_TIME_OFFSET = 2, // Time Offset from UTC
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PXEBC_DHCP4_TAG_ROUTER = 3, // Router option,
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PXEBC_DHCP4_TAG_TIME_SERVER = 4, // Time Server
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PXEBC_DHCP4_TAG_NAME_SERVER = 5, // Name Server
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PXEBC_DHCP4_TAG_DNS_SERVER = 6, // Domain Name Server
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PXEBC_DHCP4_TAG_HOSTNAME = 12, // Host Name
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PXEBC_DHCP4_TAG_BOOTFILE_LEN = 13, // Boot File Size
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PXEBC_DHCP4_TAG_DUMP = 14, // Merit Dump File
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PXEBC_DHCP4_TAG_DOMAINNAME = 15, // Domain Name
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PXEBC_DHCP4_TAG_ROOTPATH = 17, // Root path
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PXEBC_DHCP4_TAG_EXTEND_PATH = 18, // Extensions Path
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PXEBC_DHCP4_TAG_EMTU = 22, // Maximum Datagram Reassembly Size
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PXEBC_DHCP4_TAG_TTL = 23, // Default IP Time-to-live
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PXEBC_DHCP4_TAG_BROADCAST = 28, // Broadcast Address
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PXEBC_DHCP4_TAG_NIS_DOMAIN = 40, // Network Information Service Domain
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PXEBC_DHCP4_TAG_NIS_SERVER = 41, // Network Information Servers
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PXEBC_DHCP4_TAG_NTP_SERVER = 42, // Network Time Protocol Servers
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PXEBC_DHCP4_TAG_VENDOR = 43, // Vendor Specific Information
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PXEBC_DHCP4_TAG_REQUEST_IP = 50, // Requested IP Address
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PXEBC_DHCP4_TAG_LEASE = 51, // IP Address Lease Time
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PXEBC_DHCP4_TAG_OVERLOAD = 52, // Option Overload
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PXEBC_DHCP4_TAG_MSG_TYPE = 53, // DHCP Message Type
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PXEBC_DHCP4_TAG_SERVER_ID = 54, // Server Identifier
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PXEBC_DHCP4_TAG_PARA_LIST = 55, // Parameter Request List
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PXEBC_DHCP4_TAG_MAXMSG = 57, // Maximum DHCP Message Size
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PXEBC_DHCP4_TAG_T1 = 58, // Renewal (T1) Time Value
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PXEBC_DHCP4_TAG_T2 = 59, // Rebinding (T2) Time Value
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PXEBC_DHCP4_TAG_CLASS_ID = 60, // Vendor class identifier
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PXEBC_DHCP4_TAG_CLIENT_ID = 61, // Client-identifier
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PXEBC_DHCP4_TAG_TFTP = 66, // TFTP server name
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PXEBC_DHCP4_TAG_BOOTFILE = 67, // Bootfile name
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PXEBC_PXE_DHCP4_TAG_ARCH = 93,
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PXEBC_PXE_DHCP4_TAG_UNDI = 94,
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PXEBC_PXE_DHCP4_TAG_UUID = 97,
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//
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// Sub-Options in Dhcp Vendor Option
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//
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PXEBC_VENDOR_TAG_MTFTP_IP = 1,
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PXEBC_VENDOR_TAG_MTFTP_CPORT = 2,
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PXEBC_VENDOR_TAG_MTFTP_SPORT = 3,
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PXEBC_VENDOR_TAG_MTFTP_TIMEOUT = 4,
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PXEBC_VENDOR_TAG_MTFTP_DELAY = 5,
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PXEBC_VENDOR_TAG_DISCOVER_CTRL = 6,
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PXEBC_VENDOR_TAG_DISCOVER_MCAST = 7,
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PXEBC_VENDOR_TAG_BOOT_SERVERS = 8,
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PXEBC_VENDOR_TAG_BOOT_MENU = 9,
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PXEBC_VENDOR_TAG_MENU_PROMPT = 10,
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PXEBC_VENDOR_TAG_MCAST_ALLOC = 11,
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PXEBC_VENDOR_TAG_CREDENTIAL_TYPES = 12,
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PXEBC_VENDOR_TAG_BOOT_ITEM = 71,
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PXEBC_DHCP4_DISCOVER_INIT_TIMEOUT = 4,
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PXEBC_DHCP4_DISCOVER_RETRIES = 4,
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PXEBC_MAX_MENU_NUM = 24,
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PXEBC_MAX_OFFER_NUM = 16,
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PXEBC_BOOT_REQUEST_TIMEOUT = 1,
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PXEBC_BOOT_REQUEST_RETRIES = 4,
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PXEBC_DHCP4_OVERLOAD_FILE = 1,
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PXEBC_DHCP4_OVERLOAD_SERVER_NAME = 2
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} PXEBC_ENUM_TYPES;
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//
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// The array index of the DHCP4 option tag interested
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//
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typedef enum {
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PXEBC_DHCP4_TAG_INDEX_BOOTFILE_LEN,
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PXEBC_DHCP4_TAG_INDEX_VENDOR,
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PXEBC_DHCP4_TAG_INDEX_OVERLOAD,
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PXEBC_DHCP4_TAG_INDEX_MSG_TYPE,
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PXEBC_DHCP4_TAG_INDEX_SERVER_ID,
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PXEBC_DHCP4_TAG_INDEX_CLASS_ID,
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PXEBC_DHCP4_TAG_INDEX_BOOTFILE,
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PXEBC_DHCP4_TAG_INDEX_MAX
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} PXEBC_DHCP4_TAG_INDEX_ENUM_TYPES;
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//
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// The type of DHCP OFFER, arranged by priority, PXE10 has the highest priority.
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//
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typedef enum {
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DHCP4_PACKET_TYPE_PXE10,
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DHCP4_PACKET_TYPE_WFM11A,
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DHCP4_PACKET_TYPE_BINL,
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DHCP4_PACKET_TYPE_DHCP_ONLY,
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DHCP4_PACKET_TYPE_MAX,
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DHCP4_PACKET_TYPE_BOOTP = DHCP4_PACKET_TYPE_MAX
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} DHCP4_PACKET_TYPE_ENUM_TYPES;
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#define BIT(x) (1 << x)
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#define CTRL(x) (0x1F & (x))
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//
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// WfM11a options
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//
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#define MTFTP_VENDOR_OPTION_BIT_MAP (BIT (PXEBC_VENDOR_TAG_MTFTP_IP) | \
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BIT (PXEBC_VENDOR_TAG_MTFTP_CPORT) | \
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BIT (PXEBC_VENDOR_TAG_MTFTP_SPORT) | \
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BIT (PXEBC_VENDOR_TAG_MTFTP_TIMEOUT) | \
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BIT (PXEBC_VENDOR_TAG_MTFTP_DELAY))
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//
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// Discoverty options
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//
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#define DISCOVER_VENDOR_OPTION_BIT_MAP (BIT (PXEBC_VENDOR_TAG_DISCOVER_CTRL) | \
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BIT (PXEBC_VENDOR_TAG_DISCOVER_MCAST) | \
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BIT (PXEBC_VENDOR_TAG_BOOT_SERVERS) | \
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BIT (PXEBC_VENDOR_TAG_BOOT_MENU) | \
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BIT (PXEBC_VENDOR_TAG_MENU_PROMPT))
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#define IS_VALID_BOOT_PROMPT(x) \
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((((x)[0]) & BIT (PXEBC_VENDOR_TAG_MENU_PROMPT)) == BIT (PXEBC_VENDOR_TAG_MENU_PROMPT))
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#define IS_VALID_BOOT_MENU(x) \
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((((x)[0]) & BIT (PXEBC_VENDOR_TAG_BOOT_MENU)) == BIT (PXEBC_VENDOR_TAG_BOOT_MENU))
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#define IS_VALID_MTFTP_VENDOR_OPTION(x) \
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(((UINT32) ((x)[0]) & MTFTP_VENDOR_OPTION_BIT_MAP) == MTFTP_VENDOR_OPTION_BIT_MAP)
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#define IS_VALID_DISCOVER_VENDOR_OPTION(x) (((UINT32) ((x)[0]) & DISCOVER_VENDOR_OPTION_BIT_MAP) != 0)
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#define IS_VALID_CREDENTIAL_VENDOR_OPTION(x) \
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(((UINT32) ((x)[0]) & BIT (PXEBC_VENDOR_TAG_CREDENTIAL_TYPES)) == BIT (PXEBC_VENDOR_TAG_CREDENTIAL_TYPES))
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#define IS_VALID_BOOTITEM_VENDOR_OPTION(x) \
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(((UINT32) ((x)[PXEBC_VENDOR_TAG_BOOT_ITEM / 32]) & BIT (PXEBC_VENDOR_TAG_BOOT_ITEM % 32)) \
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== BIT (PXEBC_VENDOR_TAG_BOOT_ITEM % 32))
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#define IS_DISABLE_BCAST_DISCOVER(x) (((x) & BIT (0)) == BIT (0))
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#define IS_DISABLE_MCAST_DISCOVER(x) (((x) & BIT (1)) == BIT (1))
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#define IS_ENABLE_USE_SERVER_LIST(x) (((x) & BIT (2)) == BIT (2))
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#define IS_ENABLE_BOOT_FILE_NAME(x) (((x) & BIT (3)) == BIT (3))
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#define SET_VENDOR_OPTION_BIT_MAP(x, y) (((x)[(y) / 32]) = (UINT32) ((x)[(y) / 32]) | BIT ((y) % 32))
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#pragma pack(1)
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typedef struct {
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UINT8 ParaList[135];
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} PXEBC_DHCP4_OPTION_PARA;
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typedef struct {
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UINT16 Size;
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} PXEBC_DHCP4_OPTION_MAX_MESG_SIZE;
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typedef struct {
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UINT8 Type;
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UINT8 MajorVer;
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UINT8 MinorVer;
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} PXEBC_DHCP4_OPTION_UNDI;
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typedef struct {
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UINT8 Type;
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} PXEBC_DHCP4_OPTION_MESG;
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typedef struct {
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UINT16 Type;
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} PXEBC_DHCP4_OPTION_ARCH;
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#define DEFAULT_CLASS_ID_DATA "PXEClient:Arch:?????:????:??????"
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typedef struct {
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UINT8 ClassIdentifier[10];
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UINT8 ArchitecturePrefix[5];
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UINT8 ArchitectureType[5];
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UINT8 Lit3[1];
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UINT8 InterfaceName[4];
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UINT8 Lit4[1];
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UINT8 UndiMajor[3];
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UINT8 UndiMinor[3];
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} PXEBC_DHCP4_OPTION_CLID;
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typedef struct {
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UINT8 Type;
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UINT8 Guid[16];
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} PXEBC_DHCP4_OPTION_UUID;
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typedef struct {
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UINT16 Type;
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UINT16 Layer;
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} PXEBC_OPTION_BOOT_ITEM;
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#pragma pack()
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typedef union {
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PXEBC_DHCP4_OPTION_PARA *Para;
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PXEBC_DHCP4_OPTION_UNDI *Undi;
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PXEBC_DHCP4_OPTION_ARCH *Arch;
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PXEBC_DHCP4_OPTION_CLID *Clid;
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PXEBC_DHCP4_OPTION_UUID *Uuid;
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PXEBC_DHCP4_OPTION_MESG *Mesg;
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PXEBC_DHCP4_OPTION_MAX_MESG_SIZE *MaxMesgSize;
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} PXEBC_DHCP4_OPTION_ENTRY;
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typedef struct {
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UINT16 Type;
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UINT8 IpCnt;
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EFI_IPv4_ADDRESS IpAddr[1];
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} PXEBC_BOOT_SVR_ENTRY;
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typedef struct {
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UINT16 Type;
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UINT8 DescLen;
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UINT8 DescStr[1];
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} PXEBC_BOOT_MENU_ENTRY;
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typedef struct {
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UINT8 Timeout;
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UINT8 Prompt[1];
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} PXEBC_MENU_PROMPT;
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typedef struct {
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UINT32 BitMap[8];
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EFI_IPv4_ADDRESS MtftpIp;
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UINT16 MtftpCPort;
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UINT16 MtftpSPort;
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UINT8 MtftpTimeout;
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UINT8 MtftpDelay;
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UINT8 DiscoverCtrl;
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EFI_IPv4_ADDRESS DiscoverMcastIp;
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EFI_IPv4_ADDRESS McastIpBase;
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UINT16 McastIpBlock;
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UINT16 McastIpRange;
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UINT16 BootSrvType;
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UINT16 BootSrvLayer;
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PXEBC_BOOT_SVR_ENTRY *BootSvr;
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UINT8 BootSvrLen;
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PXEBC_BOOT_MENU_ENTRY *BootMenu;
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UINT8 BootMenuLen;
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PXEBC_MENU_PROMPT *MenuPrompt;
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UINT8 MenuPromptLen;
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UINT32 *CredType;
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UINT8 CredTypeLen;
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} PXEBC_VENDOR_OPTION;
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#define PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE (OFFSET_OF (EFI_DHCP4_PACKET, Dhcp4) + PXEBC_DHCP4_MAX_PACKET_SIZE)
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typedef struct {
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union {
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EFI_DHCP4_PACKET Offer;
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EFI_DHCP4_PACKET Ack;
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UINT8 Buffer[PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE];
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} Packet;
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BOOLEAN IsPxeOffer;
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UINT8 OfferType;
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EFI_DHCP4_PACKET_OPTION *Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_MAX];
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PXEBC_VENDOR_OPTION PxeVendorOption;
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} PXEBC_CACHED_DHCP4_PACKET;
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#define GET_NEXT_DHCP_OPTION(Opt) \
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(EFI_DHCP4_PACKET_OPTION *) ((UINT8 *) (Opt) + sizeof (EFI_DHCP4_PACKET_OPTION) + (Opt)->Length - 1)
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#define GET_OPTION_BUFFER_LEN(Pkt) ((Pkt)->Length - sizeof (EFI_DHCP4_HEADER) - 4)
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#define IS_PROXY_DHCP_OFFER(Offer) EFI_IP4_EQUAL (&((Offer)->Dhcp4.Header.YourAddr), &mZeroIp4Addr)
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#define GET_NEXT_BOOT_SVR_ENTRY(Ent) \
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(PXEBC_BOOT_SVR_ENTRY *) ((UINT8 *) Ent + sizeof (*(Ent)) + ((Ent)->IpCnt - 1) * sizeof (EFI_IPv4_ADDRESS))
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/**
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This function initialize the DHCP4 message instance.
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This function will pad each item of dhcp4 message packet.
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@param Seed Pointer to the message instance of the DHCP4 packet.
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@param Udp4 Pointer to the EFI_UDP4_PROTOCOL instance.
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@return none.
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**/
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VOID
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PxeBcInitSeedPacket (
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IN EFI_DHCP4_PACKET *Seed,
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IN EFI_UDP4_PROTOCOL *Udp4
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)
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;
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/**
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Parse the cached dhcp packet.
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@param CachedPacket Pointer to cached dhcp packet.
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@retval TRUE Success to parse and validation.
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@retval FALSE Fail to parse or validation.
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**/
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BOOLEAN
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PxeBcParseCachedDhcpPacket (
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IN PXEBC_CACHED_DHCP4_PACKET *CachedPacket
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)
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;
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/**
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This function is to check the selected proxy offer(include BINL dhcp offer and
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DHCP_ONLY offer ) and set the flag and copy the DHCP packets to the Pxe base code
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mode structure.
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@param Private Pointer to PxeBc private data.
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@retval EFI_SUCCESS Operational successful.
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@retval EFI_NO_RESPONSE Offer dhcp service failed.
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**/
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EFI_STATUS
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PxeBcCheckSelectedOffer (
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IN PXEBC_PRIVATE_DATA *Private
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)
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;
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/**
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Callback routine.
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EFI_DHCP4_CALLBACK is provided by the consumer of the EFI DHCPv4 Protocol driver
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to intercept events that occurred in the configuration process. This structure
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provides advanced control of each state transition of the DHCP process. The
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returned status code determines the behavior of the EFI DHCPv4 Protocol driver.
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There are three possible returned values, which are described in the following
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table.
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@param This Pointer to the EFI DHCPv4 Protocol instance that is used to
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configure this callback function.
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@param Context Pointer to the context that is initialized by
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EFI_DHCP4_PROTOCOL.Configure().
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@param CurrentState The current operational state of the EFI DHCPv4 Protocol
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driver.
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@param Dhcp4Event The event that occurs in the current state, which usually means a
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state transition.
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@param Packet The DHCP packet that is going to be sent or already received.
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@param NewPacket The packet that is used to replace the above Packet.
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@retval EFI_SUCCESS Tells the EFI DHCPv4 Protocol driver to continue the DHCP process.
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@retval EFI_NOT_READY Only used in the Dhcp4Selecting state. The EFI DHCPv4 Protocol
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driver will continue to wait for more DHCPOFFER packets until the retry
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timeout expires.
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@retval EFI_ABORTED Tells the EFI DHCPv4 Protocol driver to abort the current process and
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return to the Dhcp4Init or Dhcp4InitReboot state.
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**/
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EFI_STATUS
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PxeBcDhcpCallBack (
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IN EFI_DHCP4_PROTOCOL * This,
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IN VOID *Context,
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IN EFI_DHCP4_STATE CurrentState,
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IN EFI_DHCP4_EVENT Dhcp4Event,
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IN EFI_DHCP4_PACKET * Packet OPTIONAL,
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OUT EFI_DHCP4_PACKET **NewPacket OPTIONAL
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)
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;
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/**
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Discover the boot of service and initialize the vendor option if exists.
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@param Private Pointer to PxeBc private data.
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@param Type PxeBc option boot item type
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@param Layer PxeBc option boot item layer
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@param UseBis use bios or not
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@param DestIp ip address for server
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@param IpCount the total of the server ip address
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@param SrvList server list
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@param IsDiscv discover the vendor or not
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@param Reply the dhcp4 packet of Pxe reply
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@retval EFI_SUCCESS operational success.
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@retval EFI_OUT_OF_RESOURCES Allocate memory pool failed.
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@retval EFI_NOT_FOUND There is no vendor option exists.
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@retval EFI_TIMEOUT Send Pxe Discover time out.
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**/
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EFI_STATUS
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PxeBcDiscvBootService (
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IN PXEBC_PRIVATE_DATA * Private,
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IN UINT16 Type,
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IN UINT16 *Layer,
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IN BOOLEAN UseBis,
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IN EFI_IP_ADDRESS * DestIp,
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IN UINT16 IpCount,
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IN EFI_PXE_BASE_CODE_SRVLIST * SrvList,
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IN BOOLEAN IsDiscv,
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OUT EFI_DHCP4_PACKET * Reply OPTIONAL
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)
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;
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/**
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Initialize the DHCP options and build the option list.
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@param Private Pointer to PxeBc private data.
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@param OptList Pointer to a DHCP option list.
|
|
|
|
@param IsDhcpDiscover Discover dhcp option or not.
|
|
|
|
@return The index item number of the option list.
|
|
|
|
**/
|
|
UINT32
|
|
PxeBcBuildDhcpOptions (
|
|
IN PXEBC_PRIVATE_DATA *Private,
|
|
IN EFI_DHCP4_PACKET_OPTION **OptList,
|
|
IN BOOLEAN IsDhcpDiscover
|
|
)
|
|
;
|
|
|
|
|
|
/**
|
|
Create the boot options
|
|
|
|
@param OptList Pointer to the list of the options
|
|
@param Type the type of option
|
|
@param Layer the layer of the boot options
|
|
@param OptLen length of opotion
|
|
|
|
@return None.
|
|
|
|
**/
|
|
VOID
|
|
PxeBcCreateBootOptions (
|
|
IN EFI_DHCP4_PACKET_OPTION *OptList,
|
|
IN UINT16 Type,
|
|
IN UINT16 *Layer,
|
|
OUT UINT32 *OptLen
|
|
)
|
|
;
|
|
|
|
|
|
/**
|
|
Parse interested dhcp options.
|
|
|
|
@param Buffer Pointer to the dhcp options packet.
|
|
@param Length the length of the dhcp options.
|
|
@param OptTag the option OpCode.
|
|
|
|
@return Return NULL if the buffer length is 0 and OpCode is not
|
|
PXEBC_DHCP4_TAG_EOP, or the pointer to the buffer.
|
|
|
|
**/
|
|
EFI_DHCP4_PACKET_OPTION *
|
|
PxeBcParseExtendOptions (
|
|
IN UINT8 *Buffer,
|
|
IN UINT32 Length,
|
|
IN UINT8 OptTag
|
|
)
|
|
;
|
|
|
|
|
|
/**
|
|
This function is to parse and check vendor options.
|
|
|
|
@param Dhcp4Option Pointer to dhcp options
|
|
@param VendorOption Pointer to vendor options
|
|
|
|
@return Return TRUE if valid for vendor options, or FALSE.
|
|
|
|
**/
|
|
BOOLEAN
|
|
PxeBcParseVendorOptions (
|
|
IN EFI_DHCP4_PACKET_OPTION *Dhcp4Option,
|
|
IN PXEBC_VENDOR_OPTION *VendorOption
|
|
)
|
|
;
|
|
|
|
|
|
/**
|
|
Choose the boot prompt.
|
|
|
|
@param Private Pointer to PxeBc private data.
|
|
|
|
@retval EFI_SUCCESS Select boot prompt done.
|
|
@retval EFI_TIMEOUT Select boot prompt time out.
|
|
@retval EFI_NOT_FOUND The proxy offer is not Pxe10.
|
|
@retval EFI_ABORTED User cancel the operation.
|
|
@retval EFI_NOT_READY Read the input key from the keybroad has not finish.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
PxeBcSelectBootPrompt (
|
|
IN PXEBC_PRIVATE_DATA *Private
|
|
)
|
|
;
|
|
|
|
|
|
/**
|
|
Select the boot menu.
|
|
|
|
@param Private Pointer to PxeBc private data.
|
|
@param Type The type of the menu.
|
|
@param UseDefaultItem Use default item or not.
|
|
|
|
@retval EFI_ABORTED User cancel operation.
|
|
@retval EFI_SUCCESS Select the boot menu success.
|
|
@retval EFI_NOT_READY Read the input key from the keybroad has not finish.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
PxeBcSelectBootMenu (
|
|
IN PXEBC_PRIVATE_DATA *Private,
|
|
OUT UINT16 *Type,
|
|
IN BOOLEAN UseDefaultItem
|
|
)
|
|
;
|
|
|
|
#endif
|
|
|