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CloverBootloader/NetworkPkg/DnsDxe/DnsImpl.h
Sergey Isakov 15dada20e6 sync sources wuth new edk2 
Signed-off-by: Sergey Isakov <isakov-sl@bk.ru>
2019-09-04 13:44:38 +03:00

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/** @file
DnsDxe support functions implementation.
Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __EFI_DNS_IMPL_H_
#define __EFI_DNS_IMPL_H_
#include <Uefi.h>
//
// Libraries classes
//
#include <Library/BaseLib.h>
#include <Library/UefiLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/NetLib.h>
#include <Library/DebugLib.h>
#include <Library/DpcLib.h>
#include <Library/PrintLib.h>
#include <Library/UdpIoLib.h>
//
// UEFI Driver Model Protocols
//
#include <Protocol/DriverBinding.h>
#include <Protocol/ComponentName2.h>
#include <Protocol/ComponentName.h>
#include <Protocol/Udp4.h>
#include <Protocol/Dhcp4.h>
#include <Protocol/Dns4.h>
#include <Protocol/Udp6.h>
#include <Protocol/Dhcp6.h>
#include <Protocol/Dns6.h>
#include <Protocol/Ip4Config2.h>
#include "DnsDriver.h"
#include "DnsDhcp.h"
//
// Driver Version
//
#define DNS_VERSION 0x00000000
//
// Protocol instances
//
extern EFI_COMPONENT_NAME_PROTOCOL gDnsComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gDnsComponentName2;
extern EFI_UNICODE_STRING_TABLE *gDnsControllerNameTable;
extern EFI_DRIVER_BINDING_PROTOCOL gDns4DriverBinding;
extern EFI_SERVICE_BINDING_PROTOCOL mDns4ServiceBinding;
extern EFI_DNS4_PROTOCOL mDns4Protocol;
extern EFI_DRIVER_BINDING_PROTOCOL gDns6DriverBinding;
extern EFI_SERVICE_BINDING_PROTOCOL mDns6ServiceBinding;
extern EFI_DNS6_PROTOCOL mDns6Protocol;
//
// DNS related
//
#define DNS_SERVER_PORT 53
#define DNS_PROTOCOL_UDP EFI_IP_PROTO_UDP
#define DNS_PROTOCOL_TCP EFI_IP_PROTO_TCP
#define DNS_STATE_UNCONFIGED 0
#define DNS_STATE_CONFIGED 1
#define DNS_STATE_DESTROY 2
#define DNS_DEFAULT_TIMEOUT 2
#define DNS_TIME_TO_GETMAP 5
#pragma pack(1)
typedef union _DNS_FLAGS DNS_FLAGS;
typedef struct {
LIST_ENTRY AllCacheLink;
EFI_DNS4_CACHE_ENTRY DnsCache;
} DNS4_CACHE;
typedef struct {
LIST_ENTRY AllCacheLink;
EFI_DNS6_CACHE_ENTRY DnsCache;
} DNS6_CACHE;
typedef struct {
LIST_ENTRY AllServerLink;
EFI_IPv4_ADDRESS Dns4ServerIp;
} DNS4_SERVER_IP;
typedef struct {
LIST_ENTRY AllServerLink;
EFI_IPv6_ADDRESS Dns6ServerIp;
} DNS6_SERVER_IP;
typedef struct {
UINT32 RetryCounting;
UINT32 PacketToLive;
CHAR16 *QueryHostName;
EFI_IPv4_ADDRESS QueryIpAddress;
BOOLEAN GeneralLookUp;
EFI_DNS4_COMPLETION_TOKEN *Token;
} DNS4_TOKEN_ENTRY;
typedef struct {
UINT32 RetryCounting;
UINT32 PacketToLive;
CHAR16 *QueryHostName;
EFI_IPv6_ADDRESS QueryIpAddress;
BOOLEAN GeneralLookUp;
EFI_DNS6_COMPLETION_TOKEN *Token;
} DNS6_TOKEN_ENTRY;
union _DNS_FLAGS{
struct {
UINT16 RCode:4;
UINT16 Zero:3;
UINT16 RA:1;
UINT16 RD:1;
UINT16 TC:1;
UINT16 AA:1;
UINT16 OpCode:4;
UINT16 QR:1;
} Bits;
UINT16 Uint16;
};
#define DNS_FLAGS_QR_QUERY 0
#define DNS_FLAGS_QR_RESPONSE 1
#define DNS_FLAGS_OPCODE_STANDARD 0
#define DNS_FLAGS_OPCODE_INVERSE 1
#define DNS_FLAGS_OPCODE_SERVER_STATE 2
#define DNS_FLAGS_RCODE_NO_ERROR 0
#define DNS_FLAGS_RCODE_NAME_ERROR 3
typedef struct {
UINT16 Identification;
DNS_FLAGS Flags;
UINT16 QuestionsNum;
UINT16 AnswersNum;
UINT16 AuthorityNum;
UINT16 AditionalNum;
} DNS_HEADER;
typedef struct {
UINT16 Type;
UINT16 Class;
} DNS_QUERY_SECTION;
typedef struct {
UINT16 Type;
UINT16 Class;
UINT32 Ttl;
UINT16 DataLength;
} DNS_ANSWER_SECTION;
#define DNS4_DOMAIN L"in-addr.arpa"
#define DNS6_DOMAIN L"IP6.ARPA"
#pragma pack()
/**
Remove TokenEntry from TokenMap.
@param[in] TokenMap All DNSv4 Token entrys.
@param[in] TokenEntry TokenEntry need to be removed.
@retval EFI_SUCCESS Remove TokenEntry from TokenMap sucessfully.
@retval EFI_NOT_FOUND TokenEntry is not found in TokenMap.
**/
EFI_STATUS
Dns4RemoveTokenEntry (
IN NET_MAP *TokenMap,
IN DNS4_TOKEN_ENTRY *TokenEntry
);
/**
Remove TokenEntry from TokenMap.
@param[in] TokenMap All DNSv6 Token entrys.
@param[in] TokenEntry TokenEntry need to be removed.
@retval EFI_SUCCESS Remove TokenEntry from TokenMap sucessfully.
@retval EFI_NOT_FOUND TokenEntry is not found in TokenMap.
**/
EFI_STATUS
Dns6RemoveTokenEntry (
IN NET_MAP *TokenMap,
IN DNS6_TOKEN_ENTRY *TokenEntry
);
/**
This function cancle the token specified by Arg in the Map.
@param[in] Map Pointer to the NET_MAP.
@param[in] Item Pointer to the NET_MAP_ITEM.
@param[in] Arg Pointer to the token to be cancelled. If NULL, all
the tokens in this Map will be cancelled.
This parameter is optional and may be NULL.
@retval EFI_SUCCESS The token is cancelled if Arg is NULL, or the token
is not the same as that in the Item, if Arg is not
NULL.
@retval EFI_ABORTED Arg is not NULL, and the token specified by Arg is
cancelled.
**/
EFI_STATUS
EFIAPI
Dns4CancelTokens (
IN NET_MAP *Map,
IN NET_MAP_ITEM *Item,
IN VOID *Arg OPTIONAL
);
/**
This function cancle the token specified by Arg in the Map.
@param[in] Map Pointer to the NET_MAP.
@param[in] Item Pointer to the NET_MAP_ITEM.
@param[in] Arg Pointer to the token to be cancelled. If NULL, all
the tokens in this Map will be cancelled.
This parameter is optional and may be NULL.
@retval EFI_SUCCESS The token is cancelled if Arg is NULL, or the token
is not the same as that in the Item, if Arg is not
NULL.
@retval EFI_ABORTED Arg is not NULL, and the token specified by Arg is
cancelled.
**/
EFI_STATUS
EFIAPI
Dns6CancelTokens (
IN NET_MAP *Map,
IN NET_MAP_ITEM *Item,
IN VOID *Arg OPTIONAL
);
/**
Get the TokenEntry from the TokensMap.
@param[in] TokensMap All DNSv4 Token entrys
@param[in] Token Pointer to the token to be get.
@param[out] TokenEntry Pointer to TokenEntry corresponding Token.
@retval EFI_SUCCESS Get the TokenEntry from the TokensMap sucessfully.
@retval EFI_NOT_FOUND TokenEntry is not found in TokenMap.
**/
EFI_STATUS
EFIAPI
GetDns4TokenEntry (
IN NET_MAP *TokensMap,
IN EFI_DNS4_COMPLETION_TOKEN *Token,
OUT DNS4_TOKEN_ENTRY **TokenEntry
);
/**
Get the TokenEntry from the TokensMap.
@param[in] TokensMap All DNSv6 Token entrys
@param[in] Token Pointer to the token to be get.
@param[out] TokenEntry Pointer to TokenEntry corresponding Token.
@retval EFI_SUCCESS Get the TokenEntry from the TokensMap sucessfully.
@retval EFI_NOT_FOUND TokenEntry is not found in TokenMap.
**/
EFI_STATUS
EFIAPI
GetDns6TokenEntry (
IN NET_MAP *TokensMap,
IN EFI_DNS6_COMPLETION_TOKEN *Token,
OUT DNS6_TOKEN_ENTRY **TokenEntry
);
/**
Cancel DNS4 tokens from the DNS4 instance.
@param[in] Instance Pointer to the DNS instance context data.
@param[in] Token Pointer to the token to be canceled. If NULL, all
tokens in this instance will be cancelled.
This parameter is optional and may be NULL.
@retval EFI_SUCCESS The Token is cancelled.
@retval EFI_NOT_FOUND The Token is not found.
**/
EFI_STATUS
Dns4InstanceCancelToken (
IN DNS_INSTANCE *Instance,
IN EFI_DNS4_COMPLETION_TOKEN *Token
);
/**
Cancel DNS6 tokens from the DNS6 instance.
@param[in] Instance Pointer to the DNS instance context data.
@param[in] Token Pointer to the token to be canceled. If NULL, all
tokens in this instance will be cancelled.
This parameter is optional and may be NULL.
@retval EFI_SUCCESS The Token is cancelled.
@retval EFI_NOT_FOUND The Token is not found.
**/
EFI_STATUS
Dns6InstanceCancelToken (
IN DNS_INSTANCE *Instance,
IN EFI_DNS6_COMPLETION_TOKEN *Token
);
/**
Free the resource related to the configure parameters.
@param Config The DNS configure data
**/
VOID
Dns4CleanConfigure (
IN OUT EFI_DNS4_CONFIG_DATA *Config
);
/**
Free the resource related to the configure parameters.
@param Config The DNS configure data
**/
VOID
Dns6CleanConfigure (
IN OUT EFI_DNS6_CONFIG_DATA *Config
);
/**
Allocate memory for configure parameter such as timeout value for Dst,
then copy the configure parameter from Src to Dst.
@param[out] Dst The destination DHCP configure data.
@param[in] Src The source DHCP configure data.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
@retval EFI_SUCCESS The configure is copied.
**/
EFI_STATUS
Dns4CopyConfigure (
OUT EFI_DNS4_CONFIG_DATA *Dst,
IN EFI_DNS4_CONFIG_DATA *Src
);
/**
Allocate memory for configure parameter such as timeout value for Dst,
then copy the configure parameter from Src to Dst.
@param[out] Dst The destination DHCP configure data.
@param[in] Src The source DHCP configure data.
@retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
@retval EFI_SUCCESS The configure is copied.
**/
EFI_STATUS
Dns6CopyConfigure (
OUT EFI_DNS6_CONFIG_DATA *Dst,
IN EFI_DNS6_CONFIG_DATA *Src
);
/**
Callback of Dns packet. Does nothing.
@param Arg The context.
**/
VOID
EFIAPI
DnsDummyExtFree (
IN VOID *Arg
);
/**
Poll the UDP to get the IP4 default address, which may be retrieved
by DHCP.
The default time out value is 5 seconds. If IP has retrieved the default address,
the UDP is reconfigured.
@param Instance The DNS instance
@param UdpIo The UDP_IO to poll
@param UdpCfgData The UDP configure data to reconfigure the UDP_IO
@retval TRUE The default address is retrieved and UDP is reconfigured.
@retval FALSE Some error occured.
**/
BOOLEAN
Dns4GetMapping (
IN DNS_INSTANCE *Instance,
IN UDP_IO *UdpIo,
IN EFI_UDP4_CONFIG_DATA *UdpCfgData
);
/**
Configure the opened Udp6 instance until the corresponding Ip6 instance
has been configured.
@param Instance The DNS instance
@param UdpIo The UDP_IO to poll
@param UdpCfgData The UDP configure data to reconfigure the UDP_IO
@retval TRUE Configure the Udp6 instance successfully.
@retval FALSE Some error occured.
**/
BOOLEAN
Dns6GetMapping (
IN DNS_INSTANCE *Instance,
IN UDP_IO *UdpIo,
IN EFI_UDP6_CONFIG_DATA *UdpCfgData
);
/**
Configure the UDP.
@param Instance The DNS session
@param UdpIo The UDP_IO instance
@retval EFI_SUCCESS The UDP is successfully configured for the
session.
**/
EFI_STATUS
Dns4ConfigUdp (
IN DNS_INSTANCE *Instance,
IN UDP_IO *UdpIo
);
/**
Configure the UDP.
@param Instance The DNS session
@param UdpIo The UDP_IO instance
@retval EFI_SUCCESS The UDP is successfully configured for the
session.
**/
EFI_STATUS
Dns6ConfigUdp (
IN DNS_INSTANCE *Instance,
IN UDP_IO *UdpIo
);
/**
Update Dns4 cache to shared list of caches of all DNSv4 instances.
@param Dns4CacheList All Dns4 cache list.
@param DeleteFlag If FALSE, this function is to add one entry to the DNS Cache.
If TRUE, this function will delete matching DNS Cache entry.
@param Override If TRUE, the matching 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 exists.
@param DnsCacheEntry Entry Pointer to DNS Cache entry.
@retval EFI_SUCCESS Update Dns4 cache successfully.
@retval Others Failed to update Dns4 cache.
**/
EFI_STATUS
EFIAPI
UpdateDns4Cache (
IN LIST_ENTRY *Dns4CacheList,
IN BOOLEAN DeleteFlag,
IN BOOLEAN Override,
IN EFI_DNS4_CACHE_ENTRY DnsCacheEntry
);
/**
Update Dns6 cache to shared list of caches of all DNSv6 instances.
@param Dns6CacheList All Dns6 cache list.
@param DeleteFlag If FALSE, this function is to add one entry to the DNS Cache.
If TRUE, this function will delete matching DNS Cache entry.
@param Override If TRUE, the matching 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 exists.
@param DnsCacheEntry Entry Pointer to DNS Cache entry.
@retval EFI_SUCCESS Update Dns6 cache successfully.
@retval Others Failed to update Dns6 cache.
**/
EFI_STATUS
EFIAPI
UpdateDns6Cache (
IN LIST_ENTRY *Dns6CacheList,
IN BOOLEAN DeleteFlag,
IN BOOLEAN Override,
IN EFI_DNS6_CACHE_ENTRY DnsCacheEntry
);
/**
Add Dns4 ServerIp to common list of addresses of all configured DNSv4 server.
@param Dns4ServerList Common list of addresses of all configured DNSv4 server.
@param ServerIp DNS server Ip.
@retval EFI_SUCCESS Add Dns4 ServerIp to common list successfully.
@retval Others Failed to add Dns4 ServerIp to common list.
**/
EFI_STATUS
EFIAPI
AddDns4ServerIp (
IN LIST_ENTRY *Dns4ServerList,
IN EFI_IPv4_ADDRESS ServerIp
);
/**
Add Dns6 ServerIp to common list of addresses of all configured DNSv6 server.
@param Dns6ServerList Common list of addresses of all configured DNSv6 server.
@param ServerIp DNS server Ip.
@retval EFI_SUCCESS Add Dns6 ServerIp to common list successfully.
@retval Others Failed to add Dns6 ServerIp to common list.
**/
EFI_STATUS
EFIAPI
AddDns6ServerIp (
IN LIST_ENTRY *Dns6ServerList,
IN EFI_IPv6_ADDRESS ServerIp
);
/**
Find out whether the response is valid or invalid.
@param TokensMap All DNS transmittal Tokens entry.
@param Identification Identification for queried packet.
@param Type Type for queried packet.
@param Class Class for queried packet.
@param Item Return corresponding Token entry.
@retval TRUE The response is valid.
@retval FALSE The response is invalid.
**/
BOOLEAN
IsValidDnsResponse (
IN NET_MAP *TokensMap,
IN UINT16 Identification,
IN UINT16 Type,
IN UINT16 Class,
OUT NET_MAP_ITEM **Item
);
/**
Parse Dns Response.
@param Instance The DNS instance
@param RxString Received buffer.
@param Length Received buffer length.
@param Completed Flag to indicate that Dns response is valid.
@retval EFI_SUCCESS Parse Dns Response successfully.
@retval Others Failed to parse Dns Response.
**/
EFI_STATUS
ParseDnsResponse (
IN OUT DNS_INSTANCE *Instance,
IN UINT8 *RxString,
IN UINT32 Length,
OUT BOOLEAN *Completed
);
/**
Parse response packet.
@param Packet The packets received.
@param EndPoint The local/remote UDP access point
@param IoStatus The status of the UDP receive
@param Context The opaque parameter to the function.
**/
VOID
EFIAPI
DnsOnPacketReceived (
NET_BUF *Packet,
UDP_END_POINT *EndPoint,
EFI_STATUS IoStatus,
VOID *Context
);
/**
Release the net buffer when packet is sent.
@param Packet The packets received.
@param EndPoint The local/remote UDP access point
@param IoStatus The status of the UDP receive
@param Context The opaque parameter to the function.
**/
VOID
EFIAPI
DnsOnPacketSent (
NET_BUF *Packet,
UDP_END_POINT *EndPoint,
EFI_STATUS IoStatus,
VOID *Context
);
/**
Query request information.
@param Instance The DNS instance
@param Packet The packet for querying request information.
@retval EFI_SUCCESS Query request information successfully.
@retval Others Failed to query request information.
**/
EFI_STATUS
DoDnsQuery (
IN DNS_INSTANCE *Instance,
IN NET_BUF *Packet
);
/**
Construct the Packet according query section.
@param Instance The DNS instance
@param QueryName Queried Name
@param Type Queried Type
@param Class Queried Class
@param Packet The packet for query
@retval EFI_SUCCESS The packet is constructed.
@retval Others Failed to construct the Packet.
**/
EFI_STATUS
ConstructDNSQuery (
IN DNS_INSTANCE *Instance,
IN CHAR8 *QueryName,
IN UINT16 Type,
IN UINT16 Class,
OUT NET_BUF **Packet
);
/**
Retransmit the packet.
@param Instance The DNS instance
@param Packet Retransmit the packet
@retval EFI_SUCCESS The packet is retransmitted.
@retval Others Failed to retransmit.
**/
EFI_STATUS
DnsRetransmit (
IN DNS_INSTANCE *Instance,
IN NET_BUF *Packet
);
/**
The timer ticking function for the DNS service.
@param Event The ticking event
@param Context The DNS service instance
**/
VOID
EFIAPI
DnsOnTimerRetransmit (
IN EFI_EVENT Event,
IN VOID *Context
);
/**
The timer ticking function for the DNS driver.
@param Event The ticking event
@param Context NULL
**/
VOID
EFIAPI
DnsOnTimerUpdate (
IN EFI_EVENT Event,
IN VOID *Context
);
/**
Retrieve mode data of this DNS instance.
This function is used to retrieve DNS mode data for this DNS instance.
@param[in] This Pointer to EFI_DNS4_PROTOCOL instance.
@param[out] DnsModeData Point to the mode data.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_NOT_STARTED When DnsConfigData is queried, no configuration data
is available because this instance has not been
configured.
@retval EFI_INVALID_PARAMETER This is NULL or DnsModeData is NULL.
@retval EFI_OUT_OF_RESOURCES Failed to allocate needed resources.
**/
EFI_STATUS
EFIAPI
Dns4GetModeData (
IN EFI_DNS4_PROTOCOL *This,
OUT EFI_DNS4_MODE_DATA *DnsModeData
);
/**
Configure this DNS instance.
This function is used to configure DNS mode data for this DNS instance.
@param[in] This Pointer to EFI_DNS4_PROTOCOL instance.
@param[in] DnsConfigData Point to the Configuration data.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_UNSUPPORTED The designated protocol is not supported.
@retval EFI_INVALID_PARAMTER Thisis NULL.
The StationIp address provided in DnsConfigData is not a
valid unicast.
DnsServerList is NULL while DnsServerListCount
is not ZERO.
DnsServerListCount is ZERO while DnsServerList
is not NULL
@retval EFI_OUT_OF_RESOURCES The DNS instance data or required space could not be
allocated.
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred. The
EFI DNSv4 Protocol instance is not configured.
@retval EFI_ALREADY_STARTED Second call to Configure() with DnsConfigData. To
reconfigure the instance the caller must call Configure()
with NULL first to return driver to unconfigured state.
**/
EFI_STATUS
EFIAPI
Dns4Configure (
IN EFI_DNS4_PROTOCOL *This,
IN EFI_DNS4_CONFIG_DATA *DnsConfigData
);
/**
Host name to host address translation.
The HostNameToIp () function is used to translate the host name to host IP address. A
type A query is used to get the one or more IP addresses for this host.
@param[in] This Pointer to EFI_DNS4_PROTOCOL instance.
@param[in] HostName Host name.
@param[in] Token Point to the completion token to translate host name
to host address.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
This is NULL.
Token is NULL.
Token.Event is NULL.
HostName is NULL. HostName string is unsupported format.
@retval EFI_NO_MAPPING There's no source address is available for use.
@retval EFI_NOT_STARTED This instance has not been started.
**/
EFI_STATUS
EFIAPI
Dns4HostNameToIp (
IN EFI_DNS4_PROTOCOL *This,
IN CHAR16 *HostName,
IN EFI_DNS4_COMPLETION_TOKEN *Token
);
/**
IPv4 address to host name translation also known as Reverse DNS lookup.
The IpToHostName() function is used to translate the host address to host name. A type PTR
query is used to get the primary name of the host. Support of this function is optional.
@param[in] This Pointer to EFI_DNS4_PROTOCOL instance.
@param[in] IpAddress Ip Address.
@param[in] Token Point to the completion token to translate host
address to host name.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_UNSUPPORTED This function is not supported.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
This is NULL.
Token is NULL.
Token.Event is NULL.
IpAddress is not valid IP address .
@retval EFI_NO_MAPPING There's no source address is available for use.
@retval EFI_ALREADY_STARTED This Token is being used in another DNS session.
@retval EFI_OUT_OF_RESOURCES Failed to allocate needed resources.
**/
EFI_STATUS
EFIAPI
Dns4IpToHostName (
IN EFI_DNS4_PROTOCOL *This,
IN EFI_IPv4_ADDRESS IpAddress,
IN EFI_DNS4_COMPLETION_TOKEN *Token
);
/**
Retrieve arbitrary information from the DNS server.
This GeneralLookup() function retrieves arbitrary information from the DNS. The caller
supplies a QNAME, QTYPE, and QCLASS, and all of the matching RRs are returned. All
RR content (e.g., TTL) was returned. The caller need parse the returned RR to get
required information. The function is optional.
@param[in] This Pointer to EFI_DNS4_PROTOCOL instance.
@param[in] QName Pointer to Query Name.
@param[in] QType Query Type.
@param[in] QClass Query Name.
@param[in] Token Point to the completion token to retrieve arbitrary
information.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_UNSUPPORTED This function is not supported. Or the requested
QType is not supported
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
This is NULL.
Token is NULL.
Token.Event is NULL.
QName is NULL.
@retval EFI_NO_MAPPING There's no source address is available for use.
@retval EFI_ALREADY_STARTED This Token is being used in another DNS session.
@retval EFI_OUT_OF_RESOURCES Failed to allocate needed resources.
**/
EFI_STATUS
EFIAPI
Dns4GeneralLookUp (
IN EFI_DNS4_PROTOCOL *This,
IN CHAR8 *QName,
IN UINT16 QType,
IN UINT16 QClass,
IN EFI_DNS4_COMPLETION_TOKEN *Token
);
/**
This function is to update the DNS Cache.
The UpdateDnsCache() function is used to add/delete/modify DNS cache entry. DNS cache
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.
**/
EFI_STATUS
EFIAPI
Dns4UpdateDnsCache (
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.
**/
EFI_STATUS
EFIAPI
Dns4Poll (
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().
**/
EFI_STATUS
EFIAPI
Dns4Cancel (
IN EFI_DNS4_PROTOCOL *This,
IN EFI_DNS4_COMPLETION_TOKEN *Token
);
/**
Retrieve mode data of this DNS instance.
This function is used to retrieve DNS mode data for this DNS instance.
@param[in] This Pointer to EFI_DNS6_PROTOCOL instance.
@param[out] DnsModeData Pointer to the caller-allocated storage for the
EFI_DNS6_MODE_DATA data.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_NOT_STARTED When DnsConfigData is queried, no configuration data
is available because this instance has not been
configured.
@retval EFI_INVALID_PARAMETER This is NULL or DnsModeData is NULL.
@retval EFI_OUT_OF_RESOURCE Failed to allocate needed resources.
**/
EFI_STATUS
EFIAPI
Dns6GetModeData (
IN EFI_DNS6_PROTOCOL *This,
OUT EFI_DNS6_MODE_DATA *DnsModeData
);
/**
Configure this DNS instance.
The Configure() function is used to set and change the configuration data for this
EFI DNSv6 Protocol driver instance. Reset the DNS instance if DnsConfigData is NULL.
@param[in] This Pointer to EFI_DNS6_PROTOCOL instance.
@param[in] DnsConfigData Pointer to the configuration data structure. All associated
storage to be allocated and released by caller.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_INVALID_PARAMTER This is NULL.
The StationIp address provided in DnsConfigData is not zero and not a valid unicast.
DnsServerList is NULL while DnsServerList Count is not ZERO.
DnsServerList Count is ZERO while DnsServerList is not NULL.
@retval EFI_OUT_OF_RESOURCES The DNS instance data or required space could not be allocated.
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred. The
EFI DNSv6 Protocol instance is not configured.
@retval EFI_UNSUPPORTED The designated protocol is not supported.
@retval EFI_ALREADY_STARTED Second call to Configure() with DnsConfigData. To
reconfigure the instance the caller must call Configure() with
NULL first to return driver to unconfigured state.
**/
EFI_STATUS
EFIAPI
Dns6Configure (
IN EFI_DNS6_PROTOCOL *This,
IN EFI_DNS6_CONFIG_DATA *DnsConfigData
);
/**
Host name to host address translation.
The HostNameToIp () function is used to translate the host name to host IP address. A
type AAAA query is used to get the one or more IPv6 addresses for this host.
@param[in] This Pointer to EFI_DNS6_PROTOCOL instance.
@param[in] HostName Host name.
@param[in] Token Point to the completion token to translate host name
to host address.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
This is NULL.
Token is NULL.
Token.Event is NULL.
HostName is NULL or buffer contained unsupported characters.
@retval EFI_NO_MAPPING There's no source address is available for use.
@retval EFI_ALREADY_STARTED This Token is being used in another DNS session.
@retval EFI_NOT_STARTED This instance has not been started.
@retval EFI_OUT_OF_RESOURCES Failed to allocate needed resources.
**/
EFI_STATUS
EFIAPI
Dns6HostNameToIp (
IN EFI_DNS6_PROTOCOL *This,
IN CHAR16 *HostName,
IN EFI_DNS6_COMPLETION_TOKEN *Token
);
/**
Host address to host name translation.
The IpToHostName () function is used to translate the host address to host name. A
type PTR query is used to get the primary name of the host. Implementation can choose
to support this function or not.
@param[in] This Pointer to EFI_DNS6_PROTOCOL instance.
@param[in] IpAddress Ip Address.
@param[in] Token Point to the completion token to translate host
address to host name.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_UNSUPPORTED This function is not supported.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
This is NULL.
Token is NULL.
Token.Event is NULL.
IpAddress is not valid IP address.
@retval EFI_NO_MAPPING There's no source address is available for use.
@retval EFI_NOT_STARTED This instance has not been started.
@retval EFI_OUT_OF_RESOURCES Failed to allocate needed resources.
**/
EFI_STATUS
EFIAPI
Dns6IpToHostName (
IN EFI_DNS6_PROTOCOL *This,
IN EFI_IPv6_ADDRESS IpAddress,
IN EFI_DNS6_COMPLETION_TOKEN *Token
);
/**
This function provides capability to retrieve arbitrary information from the DNS
server.
This GeneralLookup() function retrieves arbitrary information from the DNS. The caller
supplies a QNAME, QTYPE, and QCLASS, and all of the matching RRs are returned. All
RR content (e.g., TTL) was returned. The caller need parse the returned RR to get
required information. The function is optional. Implementation can choose to support
it or not.
@param[in] This Pointer to EFI_DNS6_PROTOCOL instance.
@param[in] QName Pointer to Query Name.
@param[in] QType Query Type.
@param[in] QClass Query Name.
@param[in] Token Point to the completion token to retrieve arbitrary
information.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_UNSUPPORTED This function is not supported. Or the requested
QType is not supported
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
This is NULL.
Token is NULL.
Token.Event is NULL.
QName is NULL.
@retval EFI_NO_MAPPING There's no source address is available for use.
@retval EFI_NOT_STARTED This instance has not been started.
@retval EFI_OUT_OF_RESOURCES Failed to allocate needed resources.
**/
EFI_STATUS
EFIAPI
Dns6GeneralLookUp (
IN EFI_DNS6_PROTOCOL *This,
IN CHAR8 *QName,
IN UINT16 QType,
IN UINT16 QClass,
IN EFI_DNS6_COMPLETION_TOKEN *Token
);
/**
This function is to update the DNS Cache.
The UpdateDnsCache() function is used to add/delete/modify DNS cache entry. DNS cache
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_DNS6_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.
@retval EFI_OUT_OF_RESOURCE Failed to allocate needed resources.
**/
EFI_STATUS
EFIAPI
Dns6UpdateDnsCache (
IN EFI_DNS6_PROTOCOL *This,
IN BOOLEAN DeleteFlag,
IN BOOLEAN Override,
IN EFI_DNS6_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_DNS6_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_NO_MAPPING There is no source address is available for use.
@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.
**/
EFI_STATUS
EFIAPI
Dns6Poll (
IN EFI_DNS6_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_DNS6_PROTOCOL instance.
@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().
**/
EFI_STATUS
EFIAPI
Dns6Cancel (
IN EFI_DNS6_PROTOCOL *This,
IN EFI_DNS6_COMPLETION_TOKEN *Token
);
#endif
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