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538 lines
21 KiB
C
538 lines
21 KiB
C
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/** @file
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This file defines the EFI Domain Name Service Binding Protocol interface. It is split
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into the following two main sections:
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DNSv4 Service Binding Protocol (DNSv4SB)
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DNSv4 Protocol (DNSv4)
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Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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This Protocol is introduced in UEFI Specification 2.5
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**/
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#ifndef __EFI_DNS4_PROTOCOL_H__
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#define __EFI_DNS4_PROTOCOL_H__
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#define EFI_DNS4_SERVICE_BINDING_PROTOCOL_GUID \
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{ \
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0xb625b186, 0xe063, 0x44f7, {0x89, 0x5, 0x6a, 0x74, 0xdc, 0x6f, 0x52, 0xb4 } \
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}
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#define EFI_DNS4_PROTOCOL_GUID \
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{ \
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0xae3d28cc, 0xe05b, 0x4fa1, {0xa0, 0x11, 0x7e, 0xb5, 0x5a, 0x3f, 0x14, 0x1 } \
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}
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typedef struct _EFI_DNS4_PROTOCOL EFI_DNS4_PROTOCOL;
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///
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/// EFI_DNS4_CONFIG_DATA
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///
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typedef struct {
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///
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/// Count of the DNS servers. When used with GetModeData(),
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/// this field is the count of originally configured servers when
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/// Configure() was called for this instance. When used with
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/// Configure() this is the count of caller-supplied servers. If the
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/// DnsServerListCount is zero, the DNS server configuration
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/// will be retrieved from DHCP server automatically.
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///
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UINTN DnsServerListCount;
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///
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/// Pointer to DNS server list containing DnsServerListCount entries or NULL
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/// if DnsServerListCountis 0. For Configure(), this will be NULL when there are
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/// no caller supplied server addresses, and, the DNS instance will retrieve
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/// DNS server from DHCP Server. The provided DNS server list is
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/// recommended to be filled up in the sequence of preference. When
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/// used with GetModeData(), the buffer containing the list will
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/// be allocated by the driver implementing this protocol and must be
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/// freed by the caller. When used with Configure(), the buffer
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/// containing the list will be allocated and released by the caller.
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///
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EFI_IPv4_ADDRESS *DnsServerList;
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///
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/// Set to TRUE to use the default IP address/subnet mask and default routing table.
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///
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BOOLEAN UseDefaultSetting;
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///
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/// If TRUE, enable DNS cache function for this DNS instance. If FALSE, all DNS
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/// query will not lookup local DNS cache.
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///
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BOOLEAN EnableDnsCache;
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///
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/// Use the protocol number defined in "Links to UEFI-Related
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/// Documents"(http://uefi.org/uefi) under the heading "IANA
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/// Protocol Numbers". Only TCP or UDP are supported, and other
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/// protocol values are invalid. An implementation can choose to
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/// support only UDP, or both TCP and UDP.
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///
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UINT8 Protocol;
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///
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/// If UseDefaultSetting is FALSE indicates the station address to use.
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///
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EFI_IPv4_ADDRESS StationIp;
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///
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/// If UseDefaultSetting is FALSE indicates the subnet mask to use.
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///
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EFI_IPv4_ADDRESS SubnetMask;
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///
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/// Local port number. Set to zero to use the automatically assigned port number.
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///
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UINT16 LocalPort;
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///
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/// Retry number if no response received after RetryInterval.
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///
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UINT32 RetryCount;
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///
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/// Minimum interval of retry is 2 second. If the retry interval is less than 2
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/// seconds, then use the 2 seconds.
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///
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UINT32 RetryInterval;
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} EFI_DNS4_CONFIG_DATA;
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///
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/// EFI_DNS4_CACHE_ENTRY
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///
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typedef struct {
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///
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/// Host name.
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///
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CHAR16 *HostName;
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///
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/// IP address of this host.
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///
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EFI_IPv4_ADDRESS *IpAddress;
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///
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/// Time in second unit that this entry will remain in DNS cache. A value of zero
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/// means that this entry is permanent. A nonzero value will override the existing
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/// one if this entry to be added is dynamic entry. Implementations may set its
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/// default timeout value for the dynamically created DNS cache entry after one DNS
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/// resolve succeeds.
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///
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UINT32 Timeout;
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} EFI_DNS4_CACHE_ENTRY;
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///
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/// EFI_DNS4_MODE_DATA
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///
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typedef struct {
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///
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/// The configuration data of this instance.
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///
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EFI_DNS4_CONFIG_DATA DnsConfigData;
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///
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/// Number of configured DNS server. Each DNS instance has its own DNS server
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/// configuration.
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///
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UINT32 DnsServerCount;
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///
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/// Pointer to common list of addresses of all configured DNS server
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/// used by EFI_DNS4_PROTOCOL instances. List will include
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/// DNS servers configured by this or any other EFI_DNS4_PROTOCOL instance.
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/// The storage for this list is allocated by the driver publishing this
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/// protocol, and must be freed by the caller.
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///
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EFI_IPv4_ADDRESS *DnsServerList;
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///
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/// Number of DNS Cache entries. The DNS Cache is shared among all DNS instances.
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///
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UINT32 DnsCacheCount;
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///
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/// Pointer to a buffer containing DnsCacheCount DNS Cache
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/// entry structures. The storage for this list is allocated by the driver
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/// publishing this protocol and must be freed by caller.
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///
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EFI_DNS4_CACHE_ENTRY *DnsCacheList;
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} EFI_DNS4_MODE_DATA;
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///
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/// DNS_HOST_TO_ADDR_DATA
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///
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typedef struct {
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///
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/// Number of the returned IP addresses.
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///
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UINT32 IpCount;
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///
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/// Pointer to the all the returned IP addresses.
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///
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EFI_IPv4_ADDRESS *IpList;
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} DNS_HOST_TO_ADDR_DATA;
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///
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/// DNS_ADDR_TO_HOST_DATA
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///
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typedef struct {
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///
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/// Pointer to the primary name for this host address. It's the caller's
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/// responsibility to free the response memory.
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///
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CHAR16 *HostName;
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} DNS_ADDR_TO_HOST_DATA;
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///
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/// DNS_RESOURCE_RECORD
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///
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typedef struct {
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///
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/// The Owner name.
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///
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CHAR8 *QName;
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///
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/// The Type Code of this RR.
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///
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UINT16 QType;
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///
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/// The CLASS code of this RR.
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///
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UINT16 QClass;
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///
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/// 32 bit integer which specify the time interval that the resource record may be
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/// cached before the source of the information should again be consulted. Zero means
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/// this RR can not be cached.
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///
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UINT32 TTL;
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///
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/// 16 big integer which specify the length of RData.
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///
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UINT16 DataLength;
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///
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/// A string of octets that describe the resource, the format of this information
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/// varies according to QType and QClass difference.
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///
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CHAR8 *RData;
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} DNS_RESOURCE_RECORD;
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///
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/// DNS_GENERAL_LOOKUP_DATA
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///
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typedef struct {
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///
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/// Number of returned matching RRs.
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///
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UINTN RRCount;
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///
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/// Pointer to the all the returned matching RRs. It's caller responsibility to free
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/// the allocated memory to hold the returned RRs.
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///
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DNS_RESOURCE_RECORD *RRList;
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} DNS_GENERAL_LOOKUP_DATA;
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///
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/// EFI_DNS4_COMPLETION_TOKEN
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///
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typedef struct {
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///
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/// This Event will be signaled after the Status field is updated by the EFI DNS
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/// protocol driver. The type of Event must be EFI_NOTIFY_SIGNAL.
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///
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EFI_EVENT Event;
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///
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/// Will be set to one of the following values:
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/// EFI_SUCCESS: The host name to address translation completed successfully.
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/// EFI_NOT_FOUND: No matching Resource Record (RR) is found.
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/// EFI_TIMEOUT: No DNS server reachable, or RetryCount was exhausted without
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/// response from all specified DNS servers.
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/// EFI_DEVICE_ERROR: An unexpected system or network error occurred.
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/// EFI_NO_MEDIA: There was a media error.
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///
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EFI_STATUS Status;
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///
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/// Retry number if no response received after RetryInterval. If zero, use the
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/// parameter configured through Dns.Configure() interface.
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///
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UINT32 RetryCount;
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///
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/// Minimum interval of retry is 2 second. If the retry interval is less than 2
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/// seconds, then use the 2 seconds. If zero, use the parameter configured through
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/// Dns.Configure() interface.
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UINT32 RetryInterval;
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///
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/// DNSv4 completion token data
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///
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union {
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///
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/// When the Token is used for host name to address translation, H2AData is a pointer
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/// to the DNS_HOST_TO_ADDR_DATA.
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///
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DNS_HOST_TO_ADDR_DATA *H2AData;
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///
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/// When the Token is used for host address to host name translation, A2HData is a
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/// pointer to the DNS_ADDR_TO_HOST_DATA.
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///
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DNS_ADDR_TO_HOST_DATA *A2HData;
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///
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/// When the Token is used for a general lookup function, GLookupDATA is a pointer to
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/// the DNS_GENERAL_LOOKUP_DATA.
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///
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DNS_GENERAL_LOOKUP_DATA *GLookupData;
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} RspData;
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} EFI_DNS4_COMPLETION_TOKEN;
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/**
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Retrieve mode data of this DNS instance.
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This function is used to retrieve DNS mode data for this DNS instance.
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@param[in] This Pointer to EFI_DNS4_PROTOCOL instance.
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@param[out] DnsModeData Point to the mode data.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_NOT_STARTED When DnsConfigData is queried, no configuration data
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is available because this instance has not been
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configured.
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@retval EFI_INVALID_PARAMETER This is NULL or DnsModeData is NULL.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate needed resources.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DNS4_GET_MODE_DATA) (
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IN EFI_DNS4_PROTOCOL *This,
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OUT EFI_DNS4_MODE_DATA *DnsModeData
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);
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/**
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Configure this DNS instance.
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This function is used to configure DNS mode data for this DNS instance.
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@param[in] This Pointer to EFI_DNS4_PROTOCOL instance.
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@param[in] DnsConfigData Point to the Configuration data.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_UNSUPPORTED The designated protocol is not supported.
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@retval EFI_INVALID_PARAMETER This is NULL.
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The StationIp address provided in DnsConfigData is not a
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valid unicast.
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DnsServerList is NULL while DnsServerListCount
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is not ZERO.
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DnsServerListCount is ZERO while DnsServerList
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is not NULL
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@retval EFI_OUT_OF_RESOURCES The DNS instance data or required space could not be
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allocated.
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@retval EFI_DEVICE_ERROR An unexpected system or network error occurred. The
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EFI DNSv4 Protocol instance is not configured.
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@retval EFI_ALREADY_STARTED Second call to Configure() with DnsConfigData. To
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reconfigure the instance the caller must call Configure()
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with NULL first to return driver to unconfigured state.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DNS4_CONFIGURE) (
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IN EFI_DNS4_PROTOCOL *This,
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IN EFI_DNS4_CONFIG_DATA *DnsConfigData
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);
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/**
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Host name to host address translation.
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The HostNameToIp () function is used to translate the host name to host IP address. A
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type A query is used to get the one or more IP addresses for this host.
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@param[in] This Pointer to EFI_DNS4_PROTOCOL instance.
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@param[in] HostName Host name.
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@param[in] Token Point to the completion token to translate host name
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to host address.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
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This is NULL.
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Token is NULL.
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Token.Event is NULL.
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HostName is NULL. HostName string is unsupported format.
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@retval EFI_NO_MAPPING There's no source address is available for use.
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@retval EFI_NOT_STARTED This instance has not been started.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DNS4_HOST_NAME_TO_IP) (
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IN EFI_DNS4_PROTOCOL *This,
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IN CHAR16 *HostName,
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IN EFI_DNS4_COMPLETION_TOKEN *Token
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);
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/**
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IPv4 address to host name translation also known as Reverse DNS lookup.
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The IpToHostName() function is used to translate the host address to host name. A type PTR
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query is used to get the primary name of the host. Support of this function is optional.
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@param[in] This Pointer to EFI_DNS4_PROTOCOL instance.
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@param[in] IpAddress Ip Address.
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@param[in] Token Point to the completion token to translate host
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address to host name.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_UNSUPPORTED This function is not supported.
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@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
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This is NULL.
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Token is NULL.
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Token.Event is NULL.
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IpAddress is not valid IP address .
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@retval EFI_NO_MAPPING There's no source address is available for use.
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@retval EFI_ALREADY_STARTED This Token is being used in another DNS session.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate needed resources.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DNS4_IP_TO_HOST_NAME) (
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IN EFI_DNS4_PROTOCOL *This,
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IN EFI_IPv4_ADDRESS IpAddress,
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IN EFI_DNS4_COMPLETION_TOKEN *Token
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);
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/**
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Retrieve arbitrary information from the DNS server.
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This GeneralLookup() function retrieves arbitrary information from the DNS. The caller
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supplies a QNAME, QTYPE, and QCLASS, and all of the matching RRs are returned. All
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RR content (e.g., TTL) was returned. The caller need parse the returned RR to get
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required information. The function is optional.
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@param[in] This Pointer to EFI_DNS4_PROTOCOL instance.
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@param[in] QName Pointer to Query Name.
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@param[in] QType Query Type.
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@param[in] QClass Query Name.
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@param[in] Token Point to the completion token to retrieve arbitrary
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information.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_UNSUPPORTED This function is not supported. Or the requested
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QType is not supported
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@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
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This is NULL.
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Token is NULL.
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Token.Event is NULL.
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QName is NULL.
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@retval EFI_NO_MAPPING There's no source address is available for use.
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@retval EFI_ALREADY_STARTED This Token is being used in another DNS session.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate needed resources.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DNS4_GENERAL_LOOKUP) (
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IN EFI_DNS4_PROTOCOL *This,
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IN CHAR8 *QName,
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IN UINT16 QType,
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IN UINT16 QClass,
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IN EFI_DNS4_COMPLETION_TOKEN *Token
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);
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/**
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This function is to update the DNS Cache.
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The UpdateDnsCache() function is used to add/delete/modify DNS cache entry. DNS cache
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||
|
can be normally dynamically updated after the DNS resolve succeeds. This function
|
||
|
provided capability to manually add/delete/modify the DNS cache.
|
||
|
|
||
|
@param[in] This Pointer to EFI_DNS4_PROTOCOL instance.
|
||
|
@param[in] DeleteFlag If FALSE, this function is to add one entry to the
|
||
|
DNS Cahce. If TRUE, this function will delete
|
||
|
matching DNS Cache entry.
|
||
|
@param[in] Override If TRUE, the maching DNS cache entry will be
|
||
|
overwritten with the supplied parameter. If FALSE,
|
||
|
EFI_ACCESS_DENIED will be returned if the entry to
|
||
|
be added is already existed.
|
||
|
@param[in] DnsCacheEntry Pointer to DNS Cache entry.
|
||
|
|
||
|
@retval EFI_SUCCESS The operation completed successfully.
|
||
|
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
|
||
|
This is NULL.
|
||
|
DnsCacheEntry.HostName is NULL.
|
||
|
DnsCacheEntry.IpAddress is NULL.
|
||
|
DnsCacheEntry.Timeout is zero.
|
||
|
@retval EFI_ACCESS_DENIED The DNS cache entry already exists and Override is
|
||
|
not TRUE.
|
||
|
**/
|
||
|
typedef
|
||
|
EFI_STATUS
|
||
|
(EFIAPI *EFI_DNS4_UPDATE_DNS_CACHE) (
|
||
|
IN EFI_DNS4_PROTOCOL *This,
|
||
|
IN BOOLEAN DeleteFlag,
|
||
|
IN BOOLEAN Override,
|
||
|
IN EFI_DNS4_CACHE_ENTRY DnsCacheEntry
|
||
|
);
|
||
|
|
||
|
/**
|
||
|
Polls for incoming data packets and processes outgoing data packets.
|
||
|
|
||
|
The Poll() function can be used by network drivers and applications to increase the
|
||
|
rate that data packets are moved between the communications device and the transmit
|
||
|
and receive queues.
|
||
|
In some systems, the periodic timer event in the managed network driver may not poll
|
||
|
the underlying communications device fast enough to transmit and/or receive all data
|
||
|
packets without missing incoming packets or dropping outgoing packets. Drivers and
|
||
|
applications that are experiencing packet loss should try calling the Poll()
|
||
|
function more often.
|
||
|
|
||
|
@param[in] This Pointer to EFI_DNS4_PROTOCOL instance.
|
||
|
|
||
|
@retval EFI_SUCCESS Incoming or outgoing data was processed.
|
||
|
@retval EFI_NOT_STARTED This EFI DNS Protocol instance has not been started.
|
||
|
@retval EFI_INVALID_PARAMETER This is NULL.
|
||
|
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
|
||
|
@retval EFI_TIMEOUT Data was dropped out of the transmit and/or receive
|
||
|
queue. Consider increasing the polling rate.
|
||
|
**/
|
||
|
typedef
|
||
|
EFI_STATUS
|
||
|
(EFIAPI *EFI_DNS4_POLL) (
|
||
|
IN EFI_DNS4_PROTOCOL *This
|
||
|
);
|
||
|
|
||
|
/**
|
||
|
Abort an asynchronous DNS operation, including translation between IP and Host, and
|
||
|
general look up behavior.
|
||
|
|
||
|
The Cancel() function is used to abort a pending resolution request. After calling
|
||
|
this function, Token.Status will be set to EFI_ABORTED and then Token.Event will be
|
||
|
signaled. If the token is not in one of the queues, which usually means that the
|
||
|
asynchronous operation has completed, this function will not signal the token and
|
||
|
EFI_NOT_FOUND is returned.
|
||
|
|
||
|
@param[in] This Pointer to EFI_DNS4_PROTOCOL instance.
|
||
|
@param[in] Token Pointer to a token that has been issued by
|
||
|
EFI_DNS4_PROTOCOL.HostNameToIp (),
|
||
|
EFI_DNS4_PROTOCOL.IpToHostName() or
|
||
|
EFI_DNS4_PROTOCOL.GeneralLookup().
|
||
|
If NULL, all pending tokens are aborted.
|
||
|
|
||
|
@retval EFI_SUCCESS Incoming or outgoing data was processed.
|
||
|
@retval EFI_NOT_STARTED This EFI DNS4 Protocol instance has not been started.
|
||
|
@retval EFI_INVALID_PARAMETER This is NULL.
|
||
|
@retval EFI_NOT_FOUND When Token is not NULL, and the asynchronous DNS
|
||
|
operation was not found in the transmit queue. It
|
||
|
was either completed or was not issued by
|
||
|
HostNameToIp(), IpToHostName() or GeneralLookup().
|
||
|
**/
|
||
|
typedef
|
||
|
EFI_STATUS
|
||
|
(EFIAPI *EFI_DNS4_CANCEL) (
|
||
|
IN EFI_DNS4_PROTOCOL *This,
|
||
|
IN EFI_DNS4_COMPLETION_TOKEN *Token
|
||
|
);
|
||
|
|
||
|
///
|
||
|
/// The EFI_DNS4_Protocol provides the function to get the host name and address
|
||
|
/// mapping, also provides pass through interface to retrieve arbitrary information
|
||
|
/// from DNS.
|
||
|
///
|
||
|
struct _EFI_DNS4_PROTOCOL {
|
||
|
EFI_DNS4_GET_MODE_DATA GetModeData;
|
||
|
EFI_DNS4_CONFIGURE Configure;
|
||
|
EFI_DNS4_HOST_NAME_TO_IP HostNameToIp;
|
||
|
EFI_DNS4_IP_TO_HOST_NAME IpToHostName;
|
||
|
EFI_DNS4_GENERAL_LOOKUP GeneralLookUp;
|
||
|
EFI_DNS4_UPDATE_DNS_CACHE UpdateDnsCache;
|
||
|
EFI_DNS4_POLL Poll;
|
||
|
EFI_DNS4_CANCEL Cancel;
|
||
|
};
|
||
|
|
||
|
extern EFI_GUID gEfiDns4ServiceBindingProtocolGuid;
|
||
|
extern EFI_GUID gEfiDns4ProtocolGuid;
|
||
|
|
||
|
#endif
|