mirror of https://github.com/acidanthera/audk.git
528 lines
18 KiB
C
528 lines
18 KiB
C
/** @file
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Dhcp and Discover routines for PxeBc.
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Copyright (c) 2013, Red Hat, Inc.
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Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
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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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#define PXEBC_DHCP4_MAX_OPTION_NUM 16
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#define PXEBC_DHCP4_MAX_OPTION_SIZE 312
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#define PXEBC_DHCP4_MAX_PACKET_SIZE 1472
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#define PXEBC_DHCP4_S_PORT 67
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#define PXEBC_DHCP4_C_PORT 68
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#define PXEBC_BS_DOWNLOAD_PORT 69
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#define PXEBC_BS_DISCOVER_PORT 4011
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#define PXEBC_DHCP4_OPCODE_REQUEST 1
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#define PXEBC_DHCP4_OPCODE_REPLY 2
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#define PXEBC_DHCP4_MSG_TYPE_REQUEST 3
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#define 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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#define PXEBC_DHCP4_TAG_PAD 0 // Pad Option
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#define PXEBC_DHCP4_TAG_EOP 255 // End Option
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#define PXEBC_DHCP4_TAG_NETMASK 1 // Subnet Mask
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#define PXEBC_DHCP4_TAG_TIME_OFFSET 2 // Time Offset from UTC
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#define PXEBC_DHCP4_TAG_ROUTER 3 // Router option,
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#define PXEBC_DHCP4_TAG_TIME_SERVER 4 // Time Server
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#define PXEBC_DHCP4_TAG_NAME_SERVER 5 // Name Server
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#define PXEBC_DHCP4_TAG_DNS_SERVER 6 // Domain Name Server
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#define PXEBC_DHCP4_TAG_HOSTNAME 12 // Host Name
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#define PXEBC_DHCP4_TAG_BOOTFILE_LEN 13 // Boot File Size
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#define PXEBC_DHCP4_TAG_DUMP 14 // Merit Dump File
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#define PXEBC_DHCP4_TAG_DOMAINNAME 15 // Domain Name
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#define PXEBC_DHCP4_TAG_ROOTPATH 17 // Root path
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#define PXEBC_DHCP4_TAG_EXTEND_PATH 18 // Extensions Path
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#define PXEBC_DHCP4_TAG_EMTU 22 // Maximum Datagram Reassembly Size
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#define PXEBC_DHCP4_TAG_TTL 23 // Default IP Time-to-live
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#define PXEBC_DHCP4_TAG_BROADCAST 28 // Broadcast Address
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#define PXEBC_DHCP4_TAG_NIS_DOMAIN 40 // Network Information Service Domain
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#define PXEBC_DHCP4_TAG_NIS_SERVER 41 // Network Information Servers
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#define PXEBC_DHCP4_TAG_NTP_SERVER 42 // Network Time Protocol Servers
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#define PXEBC_DHCP4_TAG_VENDOR 43 // Vendor Specific Information
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#define PXEBC_DHCP4_TAG_REQUEST_IP 50 // Requested IP Address
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#define PXEBC_DHCP4_TAG_LEASE 51 // IP Address Lease Time
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#define PXEBC_DHCP4_TAG_OVERLOAD 52 // Option Overload
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#define PXEBC_DHCP4_TAG_MSG_TYPE 53 // DHCP Message Type
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#define PXEBC_DHCP4_TAG_SERVER_ID 54 // Server Identifier
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#define PXEBC_DHCP4_TAG_PARA_LIST 55 // Parameter Request List
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#define PXEBC_DHCP4_TAG_MAXMSG 57 // Maximum DHCP Message Size
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#define PXEBC_DHCP4_TAG_T1 58 // Renewal (T1) Time Value
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#define PXEBC_DHCP4_TAG_T2 59 // Rebinding (T2) Time Value
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#define PXEBC_DHCP4_TAG_CLASS_ID 60 // Vendor class identifier
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#define PXEBC_DHCP4_TAG_CLIENT_ID 61 // Client-identifier
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#define PXEBC_DHCP4_TAG_TFTP 66 // TFTP server name
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#define PXEBC_DHCP4_TAG_BOOTFILE 67 // Bootfile name
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#define PXEBC_PXE_DHCP4_TAG_ARCH 93
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#define PXEBC_PXE_DHCP4_TAG_UNDI 94
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#define 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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#define PXEBC_VENDOR_TAG_MTFTP_IP 1
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#define PXEBC_VENDOR_TAG_MTFTP_CPORT 2
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#define PXEBC_VENDOR_TAG_MTFTP_SPORT 3
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#define PXEBC_VENDOR_TAG_MTFTP_TIMEOUT 4
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#define PXEBC_VENDOR_TAG_MTFTP_DELAY 5
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#define PXEBC_VENDOR_TAG_DISCOVER_CTRL 6
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#define PXEBC_VENDOR_TAG_DISCOVER_MCAST 7
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#define PXEBC_VENDOR_TAG_BOOT_SERVERS 8
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#define PXEBC_VENDOR_TAG_BOOT_MENU 9
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#define PXEBC_VENDOR_TAG_MENU_PROMPT 10
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#define PXEBC_VENDOR_TAG_MCAST_ALLOC 11
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#define PXEBC_VENDOR_TAG_CREDENTIAL_TYPES 12
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#define PXEBC_VENDOR_TAG_BOOT_ITEM 71
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#define PXEBC_DHCP4_DISCOVER_INIT_TIMEOUT 4
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#define PXEBC_DHCP4_DISCOVER_RETRIES 4
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#define PXEBC_MAX_MENU_NUM 24
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#define PXEBC_MAX_OFFER_NUM 16
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#define PXEBC_BOOT_REQUEST_TIMEOUT 1
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#define PXEBC_BOOT_REQUEST_RETRIES 4
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#define PXEBC_DHCP4_OVERLOAD_FILE 1
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#define PXEBC_DHCP4_OVERLOAD_SERVER_NAME 2
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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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#define PXEBC_DHCP4_TAG_INDEX_BOOTFILE_LEN 0
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#define PXEBC_DHCP4_TAG_INDEX_VENDOR 1
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#define PXEBC_DHCP4_TAG_INDEX_OVERLOAD 2
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#define PXEBC_DHCP4_TAG_INDEX_MSG_TYPE 3
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#define PXEBC_DHCP4_TAG_INDEX_SERVER_ID 4
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#define PXEBC_DHCP4_TAG_INDEX_CLASS_ID 5
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#define PXEBC_DHCP4_TAG_INDEX_BOOTFILE 6
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#define PXEBC_DHCP4_TAG_INDEX_MAX 7
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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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#define DHCP4_PACKET_TYPE_PXE10 0
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#define DHCP4_PACKET_TYPE_WFM11A 1
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#define DHCP4_PACKET_TYPE_BINL 2
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#define DHCP4_PACKET_TYPE_DHCP_ONLY 3
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#define DHCP4_PACKET_TYPE_BOOTP 4
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#define DHCP4_PACKET_TYPE_MAX 5
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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_DISABLE_PROMPT_MENU(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:xxxxx:UNDI:003000"
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#define DEFAULT_UNDI_TYPE 1
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#define DEFAULT_UNDI_MAJOR 3
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#define DEFAULT_UNDI_MINOR 0
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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 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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} PXEBC_DHCP4_PACKET;
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typedef struct {
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PXEBC_DHCP4_PACKET 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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**/
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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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Parse the cached dhcp packet.
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@param CachedPacket Pointer to cached dhcp packet.
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@retval TRUE Succeed 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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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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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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EFIAPI
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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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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 BIS or not
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@param DestIp Ip address for server
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@param IpCount The total count 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 Operation succeeds.
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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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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.
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@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
|
|
|
|
**/
|
|
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 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 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
|
|
|