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534 lines
21 KiB
C
534 lines
21 KiB
C
/** @file
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This file defines the EFI DNSv6 (Domain Name Service version 6) Protocol. It is split
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into the following two main sections:
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DNSv6 Service Binding Protocol (DNSv6SB)
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DNSv6 Protocol (DNSv6)
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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_DNS6_PROTOCOL_H__
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#define __EFI_DNS6_PROTOCOL_H__
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#define EFI_DNS6_SERVICE_BINDING_PROTOCOL_GUID \
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{ \
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0x7f1647c8, 0xb76e, 0x44b2, {0xa5, 0x65, 0xf7, 0xf, 0xf1, 0x9c, 0xd1, 0x9e } \
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}
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#define EFI_DNS6_PROTOCOL_GUID \
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{ \
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0xca37bc1f, 0xa327, 0x4ae9, {0x82, 0x8a, 0x8c, 0x40, 0xd8, 0x50, 0x6a, 0x17 } \
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}
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typedef struct _EFI_DNS6_PROTOCOL EFI_DNS6_PROTOCOL;
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///
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/// EFI_DNS6_CONFIG_DATA
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///
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typedef struct {
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///
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/// If TRUE, enable DNS cache function for this DNS instance. If FALSE, all DNS query
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/// 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
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/// http://www.iana.org/assignments/protocol-numbers. Beside TCP/UDP, Other protocol
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/// is invalid value. An implementation can choose to support UDP, or both TCP and UDP.
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///
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UINT8 Protocol;
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///
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/// The local IP address to use. Set to zero to let the underlying IPv6
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/// driver choose a source address. If not zero it must be one of the
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/// configured IP addresses in the underlying IPv6 driver.
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///
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EFI_IPv6_ADDRESS StationIp;
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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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/// 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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UINT32 DnsServerCount;
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///
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/// Pointer to DNS server list containing DnsServerListCount
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/// entries or NULL if DnsServerListCount is 0. For Configure(),
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/// this will be NULL when there are no caller supplied server addresses
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/// and the DNS instance will retrieve DNS server from DHCP Server.
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/// The provided DNS server list is recommended to be filled up in the sequence
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/// of preference. When used with GetModeData(), the buffer containing the list
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/// will 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_IPv6_ADDRESS *DnsServerList;
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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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UINT32 RetryInterval;
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} EFI_DNS6_CONFIG_DATA;
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///
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/// EFI_DNS6_CACHE_ENTRY
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///
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typedef struct {
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///
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/// Host name. This should be interpreted as Unicode characters.
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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_IPv6_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 means
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/// that this entry is permanent. A nonzero value will override the existing one if
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/// this entry to be added is dynamic entry. Implementations may set its default
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/// timeout value for the dynamically created DNS cache entry after one DNS resolve
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/// succeeds.
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UINT32 Timeout;
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} EFI_DNS6_CACHE_ENTRY;
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///
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/// EFI_DNS6_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_DNS6_CONFIG_DATA DnsConfigData;
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///
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/// Number of configured DNS6 servers.
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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 used by EFI_DNS6_PROTOCOL
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/// instances. List will include DNS servers configured by this or any other EFI_DNS6_PROTOCOL
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/// instance. The storage for this list is allocated by the driver publishing this protocol,
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/// and must be freed by the caller.
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///
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EFI_IPv6_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 thislist 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_DNS6_CACHE_ENTRY *DnsCacheList;
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} EFI_DNS6_MODE_DATA;
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///
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/// DNS6_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 address.
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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 address.
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///
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EFI_IPv6_ADDRESS *IpList;
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} DNS6_HOST_TO_ADDR_DATA;
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///
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/// DNS6_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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} DNS6_ADDR_TO_HOST_DATA;
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///
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/// DNS6_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 cannot 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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} DNS6_RESOURCE_RECORD;
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///
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/// DNS6_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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DNS6_RESOURCE_RECORD *RRList;
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} DNS6_GENERAL_LOOKUP_DATA;
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///
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/// EFI_DNS6_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 DNSv6
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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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/// The parameter configured through DNSv6.Configure() interface. Retry number if no
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/// response received after RetryInterval.
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///
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UINT32 RetryCount;
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///
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/// The parameter configured through DNSv6.Configure() interface. Minimum interval of
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/// retry is 2 seconds. If the retry interval is less than 2 seconds, then use the 2
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/// seconds.
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///
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UINT32 RetryInterval;
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///
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/// DNSv6 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 DNS6_HOST_TO_ADDR_DATA.
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///
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DNS6_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 DNS6_ADDR_TO_HOST_DATA.
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///
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DNS6_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 DNS6_GENERAL_LOOKUP_DATA.
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///
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DNS6_GENERAL_LOOKUP_DATA *GLookupData;
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} RspData;
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} EFI_DNS6_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_DNS6_PROTOCOL instance.
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@param[out] DnsModeData Pointer to the caller-allocated storage for the
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EFI_DNS6_MODE_DATA 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_RESOURCE 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_DNS6_GET_MODE_DATA)(
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IN EFI_DNS6_PROTOCOL *This,
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OUT EFI_DNS6_MODE_DATA *DnsModeData
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);
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/**
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Configure this DNS instance.
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The Configure() function is used to set and change the configuration data for this
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EFI DNSv6 Protocol driver instance. Reset the DNS instance if DnsConfigData is NULL.
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@param[in] This Pointer to EFI_DNS6_PROTOCOL instance.
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@param[in] DnsConfigData Pointer to the configuration data structure. All associated
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storage to be allocated and released by caller.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_INVALID_PARAMETER This is NULL.
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The StationIp address provided in DnsConfigData is not zero and not a valid unicast.
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DnsServerList is NULL while DnsServerList Count is not ZERO.
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DnsServerList Count is ZERO while DnsServerList is not NULL.
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@retval EFI_OUT_OF_RESOURCES The DNS instance data or required space could not be allocated.
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@retval EFI_DEVICE_ERROR An unexpected system or network error occurred. The
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EFI DNSv6 Protocol instance is not configured.
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@retval EFI_UNSUPPORTED The designated protocol is not supported.
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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() with
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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_DNS6_CONFIGURE)(
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IN EFI_DNS6_PROTOCOL *This,
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IN EFI_DNS6_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 AAAA query is used to get the one or more IPv6 addresses for this host.
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@param[in] This Pointer to EFI_DNS6_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 or buffer contained unsupported characters.
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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_NOT_STARTED This instance has not been started.
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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_DNS6_HOST_NAME_TO_IP) (
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IN EFI_DNS6_PROTOCOL *This,
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IN CHAR16 *HostName,
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IN EFI_DNS6_COMPLETION_TOKEN *Token
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);
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/**
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Host address to host name translation.
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The IpToHostName () function is used to translate the host address to host name. A
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type PTR query is used to get the primary name of the host. Implementation can choose
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to support this function or not.
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@param[in] This Pointer to EFI_DNS6_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_NOT_STARTED This instance has not been started.
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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_DNS6_IP_TO_HOST_NAME) (
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IN EFI_DNS6_PROTOCOL *This,
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IN EFI_IPv6_ADDRESS IpAddress,
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IN EFI_DNS6_COMPLETION_TOKEN *Token
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);
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/**
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This function provides capability to retrieve arbitrary information from the DNS
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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. Implementation can choose to support
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it or not.
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@param[in] This Pointer to EFI_DNS6_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_NOT_STARTED This instance has not been started.
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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_DNS6_GENERAL_LOOKUP) (
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IN EFI_DNS6_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_DNS6_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
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provided capability to manually add/delete/modify the DNS cache.
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@param[in] This Pointer to EFI_DNS6_PROTOCOL instance.
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@param[in] DeleteFlag If FALSE, this function is to add one entry to the
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DNS Cahce. If TRUE, this function will delete
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matching DNS Cache entry.
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@param[in] Override If TRUE, the maching DNS cache entry will be
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overwritten with the supplied parameter. If FALSE,
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EFI_ACCESS_DENIED will be returned if the entry to
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be added is already existed.
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@param[in] DnsCacheEntry Pointer to DNS Cache entry.
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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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DnsCacheEntry.HostName is NULL.
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DnsCacheEntry.IpAddress is NULL.
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DnsCacheEntry.Timeout is zero.
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@retval EFI_ACCESS_DENIED The DNS cache entry already exists and Override is
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not TRUE.
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@retval EFI_OUT_OF_RESOURCE 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_DNS6_UPDATE_DNS_CACHE) (
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IN EFI_DNS6_PROTOCOL *This,
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IN BOOLEAN DeleteFlag,
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IN BOOLEAN Override,
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IN EFI_DNS6_CACHE_ENTRY DnsCacheEntry
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);
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/**
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Polls for incoming data packets and processes outgoing data packets.
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The Poll() function can be used by network drivers and applications to increase the
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rate that data packets are moved between the communications device and the transmit
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and receive queues.
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In some systems, the periodic timer event in the managed network driver may not poll
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the underlying communications device fast enough to transmit and/or receive all data
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packets without missing incoming packets or dropping outgoing packets. Drivers and
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applications that are experiencing packet loss should try calling the Poll()
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function more often.
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@param[in] This Pointer to EFI_DNS6_PROTOCOL instance.
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@retval EFI_SUCCESS Incoming or outgoing data was processed.
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@retval EFI_NOT_STARTED This EFI DNS Protocol instance has not been started.
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@retval EFI_INVALID_PARAMETER This is NULL.
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@retval EFI_NO_MAPPING There is no source address is available for use.
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@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
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@retval EFI_TIMEOUT Data was dropped out of the transmit and/or receive
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queue. Consider increasing the polling rate.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DNS6_POLL) (
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IN EFI_DNS6_PROTOCOL *This
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);
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/**
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Abort an asynchronous DNS operation, including translation between IP and Host, and
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general look up behavior.
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The Cancel() function is used to abort a pending resolution request. After calling
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this function, Token.Status will be set to EFI_ABORTED and then Token.Event will be
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signaled. If the token is not in one of the queues, which usually means that the
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asynchronous operation has completed, this function will not signal the token and
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EFI_NOT_FOUND is returned.
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@param[in] This Pointer to EFI_DNS6_PROTOCOL instance.
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@param[in] Token Pointer to a token that has been issued by
|
|
EFI_DNS6_PROTOCOL.HostNameToIp (),
|
|
EFI_DNS6_PROTOCOL.IpToHostName() or
|
|
EFI_DNS6_PROTOCOL.GeneralLookup().
|
|
If NULL, all pending tokens are aborted.
|
|
|
|
@retval EFI_SUCCESS Incoming or outgoing data was processed.
|
|
@retval EFI_NOT_STARTED This EFI DNS6 Protocol instance has not been started.
|
|
@retval EFI_INVALID_PARAMETER This is NULL.
|
|
@retval EFI_NO_MAPPING There's no source address is available for use.
|
|
@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_DNS6_CANCEL) (
|
|
IN EFI_DNS6_PROTOCOL *This,
|
|
IN EFI_DNS6_COMPLETION_TOKEN *Token
|
|
);
|
|
|
|
///
|
|
/// The EFI_DNS6_PROTOCOL provides the function to get the host name and address
|
|
/// mapping, also provide pass through interface to retrieve arbitrary information from
|
|
/// DNSv6.
|
|
///
|
|
struct _EFI_DNS6_PROTOCOL {
|
|
EFI_DNS6_GET_MODE_DATA GetModeData;
|
|
EFI_DNS6_CONFIGURE Configure;
|
|
EFI_DNS6_HOST_NAME_TO_IP HostNameToIp;
|
|
EFI_DNS6_IP_TO_HOST_NAME IpToHostName;
|
|
EFI_DNS6_GENERAL_LOOKUP GeneralLookUp;
|
|
EFI_DNS6_UPDATE_DNS_CACHE UpdateDnsCache;
|
|
EFI_DNS6_POLL Poll;
|
|
EFI_DNS6_CANCEL Cancel;
|
|
};
|
|
|
|
extern EFI_GUID gEfiDns6ServiceBindingProtocolGuid;
|
|
extern EFI_GUID gEfiDns6ProtocolGuid;
|
|
|
|
#endif
|