mirror of https://github.com/acidanthera/audk.git
390 lines
13 KiB
C
390 lines
13 KiB
C
/** @file
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Functions declaration related with DHCPv4 for UefiPxeBc Driver.
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Copyright (c) 2009 - 2010, 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_DHCP4_H__
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#define __EFI_PXEBC_DHCP4_H__
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#define PXEBC_DHCP4_OPTION_MAX_NUM 16
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#define PXEBC_DHCP4_OPTION_MAX_SIZE 312
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#define PXEBC_DHCP4_PACKET_MAX_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_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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// Dhcp4 and Dhcp6 share this definition, and corresponding
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// relatioinship is as follows:
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//
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// Dhcp4Discover <> Dhcp6Solicit
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// Dhcp4Offer <> Dhcp6Advertise
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// Dhcp4Request <> Dhcp6Request
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// Dhcp4Ack <> DHcp6Reply
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//
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typedef enum {
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PxeOfferTypeDhcpOnly,
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PxeOfferTypeDhcpPxe10,
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PxeOfferTypeDhcpWfm11a,
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PxeOfferTypeDhcpBinl,
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PxeOfferTypeProxyPxe10,
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PxeOfferTypeProxyWfm11a,
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PxeOfferTypeProxyBinl,
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PxeOfferTypeBootp,
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PxeOfferTypeMax
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} PXEBC_OFFER_TYPE;
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#define BIT(x) (1 << x)
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#define CTRL(x) (0x1F & (x))
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#define DEFAULT_CLASS_ID_DATA "PXEClient:Arch:?????:????:??????"
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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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#define MTFTP_VENDOR_OPTION_BIT_MAP \
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(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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#define DISCOVER_VENDOR_OPTION_BIT_MAP \
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(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)) \
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== 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)) \
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== 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) \
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== MTFTP_VENDOR_OPTION_BIT_MAP)
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#define IS_VALID_DISCOVER_VENDOR_OPTION(x) \
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(((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)) \
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== 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]) & \
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BIT (PXEBC_VENDOR_TAG_BOOT_ITEM % 32)) \
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== BIT (PXEBC_VENDOR_TAG_BOOT_ITEM % 32))
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#define SET_VENDOR_OPTION_BIT_MAP(x, y) \
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(*(x + ((y) / 32)) = (UINT32) ((UINT32) ((x)[(y) / 32]) | BIT ((y) % 32)))
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#define GET_NEXT_DHCP_OPTION(Opt) \
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(EFI_DHCP4_PACKET_OPTION *) ((UINT8 *) (Opt) + \
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sizeof (EFI_DHCP4_PACKET_OPTION) + (Opt)->Length - 1)
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#define GET_OPTION_BUFFER_LEN(Pkt) \
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((Pkt)->Length - sizeof (EFI_DHCP4_HEADER) - 4)
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#define GET_NEXT_BOOT_SVR_ENTRY(Ent) \
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(PXEBC_BOOT_SVR_ENTRY *) ((UINT8 *) Ent + sizeof (*(Ent)) + \
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((Ent)->IpCnt - 1) * sizeof (EFI_IPv4_ADDRESS))
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#define IS_PROXY_DHCP_OFFER(Offer) \
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EFI_IP4_EQUAL (&(Offer)->Dhcp4.Header.YourAddr, &mZeroIp4Addr)
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#define IS_DISABLE_BCAST_DISCOVER(x) \
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(((x) & BIT (0)) == BIT (0))
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#define IS_DISABLE_MCAST_DISCOVER(x) \
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(((x) & BIT (1)) == BIT (1))
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#define IS_ENABLE_USE_SERVER_LIST(x) \
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(((x) & BIT (2)) == BIT (2))
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#define IS_ENABLE_BOOT_FILE_NAME(x) \
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(((x) & BIT (3)) == BIT (3))
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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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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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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_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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PXEBC_OFFER_TYPE OfferType;
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EFI_DHCP4_PACKET_OPTION *OptList[PXEBC_DHCP4_TAG_INDEX_MAX];
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PXEBC_VENDOR_OPTION VendorOpt;
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} PXEBC_DHCP4_PACKET_CACHE;
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/**
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Create a template DHCPv4 packet as a seed.
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@param[out] Seed Pointer to the seed packet.
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@param[in] Udp4 Pointer to EFI_UDP4_PROTOCOL.
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**/
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VOID
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PxeBcSeedDhcp4Packet (
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OUT 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 DHCPv4 packet, including all the options.
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@param[in] Cache4 Pointer to cached DHCPv4 packet.
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@retval EFI_SUCCESS Parsed the DHCPv4 packet successfully.
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@retval EFI_DEVICE_ERROR Failed to parse and invalid packet.
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**/
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EFI_STATUS
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PxeBcParseDhcp4Packet (
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IN PXEBC_DHCP4_PACKET_CACHE *Cache4
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);
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/**
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Build and send out the request packet for the bootfile, and parse the reply.
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@param[in] Private Pointer to PxeBc private data.
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@param[in] Type PxeBc option boot item type.
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@param[in] Layer Pointer to option boot item layer.
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@param[in] UseBis Use BIS or not.
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@param[in] DestIp Pointer to the server address.
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@param[in] IpCount The total count of the server address.
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@param[in] SrvList Pointer to EFI_PXE_BASE_CODE_SRVLIST.
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@retval EFI_SUCCESS Successfully discovered boot file.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate resource.
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@retval EFI_NOT_FOUND Can't get the PXE reply packet.
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@retval Others Failed to discover boot file.
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**/
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EFI_STATUS
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PxeBcDhcp4Discover (
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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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);
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/**
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Start the D.O.R.A DHCPv4 process to acquire the IPv4 address and other PXE boot information.
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@param[in] Private Pointer to PxeBc private data.
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@param[in] Dhcp4 Pointer to the EFI_DHCP4_PROTOCOL
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@retval EFI_SUCCESS The D.O.R.A process successfully finished.
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@retval Others Failed to finish the D.O.R.A process.
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**/
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EFI_STATUS
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PxeBcDhcp4Dora (
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IN PXEBC_PRIVATE_DATA *Private,
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IN EFI_DHCP4_PROTOCOL *Dhcp4
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);
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#endif
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