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369 lines
16 KiB
C
369 lines
16 KiB
C
/** @file
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This file provides a definition of the EFI IPv6 Configuration
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Protocol.
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Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __EFI_IP6CONFIG_PROTOCOL_H__
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#define __EFI_IP6CONFIG_PROTOCOL_H__
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#include <Protocol/Ip6.h>
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#define EFI_IP6_CONFIG_PROTOCOL_GUID \
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{ \
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0x937fe521, 0x95ae, 0x4d1a, {0x89, 0x29, 0x48, 0xbc, 0xd9, 0x0a, 0xd3, 0x1a } \
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}
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typedef struct _EFI_IP6_CONFIG_PROTOCOL EFI_IP6_CONFIG_PROTOCOL;
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///
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/// EFI_IP6_CONFIG_DATA_TYPE
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///
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typedef enum {
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///
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/// The interface information of the communication
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/// device this EFI IPv6 Configuration Protocol instance manages.
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/// This type of data is read only.The corresponding Data is of type
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/// EFI_IP6_CONFIG_INTERFACE_INFO.
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///
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Ip6ConfigDataTypeInterfaceInfo,
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///
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/// The alternative interface ID for the
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/// communication device this EFI IPv6 Configuration Protocol
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/// instance manages if the link local IPv6 address generated from
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/// the interfaced ID based on the default source the EFI IPv6
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/// Protocol uses is a duplicate address. The length of the interface
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/// ID is 64 bit. The corresponding Data is of type
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/// EFI_IP6_CONFIG_INTERFACE_ID.
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///
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Ip6ConfigDataTypeAltInterfaceId,
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///
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/// The general configuration policy for the EFI IPv6 network
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/// stack running on the communication device this EFI IPv6
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/// Configuration Protocol instance manages. The policy will affect
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/// other configuration settings. The corresponding Data is of type
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/// EFI_IP6_CONFIG_POLICY.
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///
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Ip6ConfigDataTypePolicy,
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///
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/// The number of consecutive
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/// Neighbor Solicitation messages sent while performing Duplicate
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/// Address Detection on a tentative address. A value of zero
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/// indicates that Duplicate Address Detection will not be performed
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/// on tentative addresses. The corresponding Data is of type
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/// EFI_IP6_CONFIG_DUP_ADDR_DETECT_TRANSMITS.
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///
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Ip6ConfigDataTypeDupAddrDetectTransmits,
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///
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/// The station addresses set manually for the EFI
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/// IPv6 network stack. It is only configurable when the policy is
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/// Ip6ConfigPolicyManual. The corresponding Data is a
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/// pointer to an array of EFI_IPv6_ADDRESS instances. When
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/// DataSize is 0 and Data is NULL, the existing configuration
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/// is cleared from the EFI IPv6 Configuration Protocol instance.
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///
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Ip6ConfigDataTypeManualAddress,
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///
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/// The gateway addresses set manually for the EFI IPv6
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/// network stack running on the communication device this EFI
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/// IPv6 Configuration Protocol manages. It is not configurable when
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/// the policy is Ip6ConfigPolicyAutomatic. The gateway
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/// addresses must be unicast IPv6 addresses. The corresponding
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/// Data is a pointer to an array of EFI_IPv6_ADDRESS instances.
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/// When DataSize is 0 and Data is NULL, the existing configuration
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/// is cleared from the EFI IPv6 Configuration Protocol instance.
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///
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Ip6ConfigDataTypeGateway,
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///
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/// The DNS server list for the EFI IPv6 network stack
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/// running on the communication device this EFI IPv6
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/// Configuration Protocol manages. It is not configurable when the
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/// policy is Ip6ConfigPolicyAutomatic.The DNS server
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/// addresses must be unicast IPv6 addresses. The corresponding
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/// Data is a pointer to an array of EFI_IPv6_ADDRESS instances.
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/// When DataSize is 0 and Data is NULL, the existing configuration
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/// is cleared from the EFI IPv6 Configuration Protocol instance.
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///
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Ip6ConfigDataTypeDnsServer,
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///
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/// The number of this enumeration memebers.
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///
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Ip6ConfigDataTypeMaximum
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} EFI_IP6_CONFIG_DATA_TYPE;
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///
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/// EFI_IP6_CONFIG_INTERFACE_INFO
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/// describes the operational state of the interface this
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/// EFI IPv6 Configuration Protocol instance manages.
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///
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typedef struct {
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///
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/// The name of the interface. It is a NULL-terminated string.
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///
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CHAR16 Name[32];
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///
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/// The interface type of the network interface.
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///
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UINT8 IfType;
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///
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/// The size, in bytes, of the network interface's hardware address.
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///
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UINT32 HwAddressSize;
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///
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/// The hardware address for the network interface.
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///
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EFI_MAC_ADDRESS HwAddress;
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///
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/// Number of EFI_IP6_ADDRESS_INFO structures pointed to by AddressInfo.
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///
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UINT32 AddressInfoCount;
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///
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/// Pointer to an array of EFI_IP6_ADDRESS_INFO instances
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/// which contain the local IPv6 addresses and the corresponding
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/// prefix length information. Set to NULL if AddressInfoCount
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/// is zero.
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///
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EFI_IP6_ADDRESS_INFO *AddressInfo;
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///
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/// Number of route table entries in the following RouteTable.
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///
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UINT32 RouteCount;
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///
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/// The route table of the IPv6 network stack runs on this interface.
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/// Set to NULL if RouteCount is zero.
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///
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EFI_IP6_ROUTE_TABLE *RouteTable;
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} EFI_IP6_CONFIG_INTERFACE_INFO;
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///
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/// EFI_IP6_CONFIG_INTERFACE_ID
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/// describes the 64-bit interface ID.
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///
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typedef struct {
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UINT8 Id[8];
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} EFI_IP6_CONFIG_INTERFACE_ID;
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///
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/// EFI_IP6_CONFIG_POLICY
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/// defines the general configuration policy the EFI IPv6
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/// Configuration Protocol supports.
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///
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typedef enum {
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///
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/// Under this policy, the IpI6ConfigDataTypeManualAddress,
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/// Ip6ConfigDataTypeGateway and Ip6ConfigDataTypeDnsServer
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/// configuration data are required to be set manually.
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/// The EFI IPv6 Protocol will get all required configuration
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/// such as address, prefix and gateway settings from the EFI
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/// IPv6 Configuration protocol.
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///
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Ip6ConfigPolicyManual,
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///
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/// Under this policy, the IpI6ConfigDataTypeManualAddress,
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/// Ip6ConfigDataTypeGateway and Ip6ConfigDataTypeDnsServer
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/// configuration data are not allowed to set via SetData().
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/// All of these configurations are retrieved from some auto
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/// configuration mechanism.
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/// The EFI IPv6 Protocol will use the IPv6 stateless address
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/// autoconfiguration mechanism and/or the IPv6 stateful address
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/// autoconfiguration mechanism described in the related RFCs to
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/// get address and other configuration information
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///
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Ip6ConfigPolicyAutomatic
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} EFI_IP6_CONFIG_POLICY;
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///
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/// EFI_IP6_CONFIG_DUP_ADDR_DETECT_TRANSMITS
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/// describes the number of consecutive Neighbor Solicitation messages sent
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/// while performing Duplicate Address Detection on a tentative address.
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/// The default value for a newly detected communication device is 1.
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///
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typedef struct {
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UINT32 DupAddrDetectTransmits; ///< The number of consecutive Neighbor Solicitation messages sent.
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} EFI_IP6_CONFIG_DUP_ADDR_DETECT_TRANSMITS;
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///
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/// EFI_IP6_CONFIG_MANUAL_ADDRESS
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/// is used to set the station address information for the EFI IPv6 network
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/// stack manually when the policy is Ip6ConfigPolicyManual.
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///
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typedef struct {
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EFI_IPv6_ADDRESS Address; ///< The IPv6 unicast address.
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BOOLEAN IsAnycast; ///< Set to TRUE if Address is anycast.
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UINT8 PrefixLength; ///< The length, in bits, of the prefix associated with this Address.
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} EFI_IP6_CONFIG_MANUAL_ADDRESS;
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/**
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Set the configuration for the EFI IPv6 network stack running on the communication
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device this EFI IPv6 Configuration Protocol instance manages.
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This function is used to set the configuration data of type DataType for the EFI
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IPv6 network stack running on the communication device this EFI IPv6 Configuration
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Protocol instance manages.
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The DataSize is used to calculate the count of structure instances in the Data for
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some DataType that multiple structure instances are allowed.
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This function is always non-blocking. When setting some type of configuration data,
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an asynchronous process is invoked to check the correctness of the data, such as
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doing Duplicate Address Detection on the manually set local IPv6 addresses.
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EFI_NOT_READY is returned immediately to indicate that such an asynchronous process
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is invoked and the process is not finished yet. The caller willing to get the result
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of the asynchronous process is required to call RegisterDataNotify() to register an
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event on the specified configuration data. Once the event is signaled, the caller
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can call GetData() to get back the configuration data in order to know the result.
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For other types of configuration data that do not require an asynchronous configuration
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process, the result of the operation is immediately returned.
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@param[in] This Pointer to the EFI_IP6_CONFIG_PROTOCOL instance.
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@param[in] DataType The type of data to set.
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@param[in] DataSize Size of the buffer pointed to by Data in bytes.
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@param[in] Data The data buffer to set. The type of the data buffer is
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associated with the DataType.
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@retval EFI_SUCCESS The specified configuration data for the EFI IPv6
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network stack is set successfully.
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@retval EFI_INVALID_PARAMETER One or more of the following are TRUE:
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- This is NULL.
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- One or more fields in Data and DataSize do not match the
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requirement of the data type indicated by DataType.
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@retval EFI_WRITE_PROTECTED The specified configuration data is read-only or the specified
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configuration data can not be set under the current policy
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@retval EFI_ACCESS_DENIED Another set operation on the specified configuration
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data is already in process.
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@retval EFI_NOT_READY An asynchronous process is invoked to set the specified
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configuration data and the process is not finished yet.
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@retval EFI_BAD_BUFFER_SIZE The DataSize does not match the size of the type
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indicated by DataType.
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@retval EFI_UNSUPPORTED This DataType is not supported.
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@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
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@retval EFI_DEVICE_ERROR An unexpected system error or network error occurred.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_IP6_CONFIG_SET_DATA)(
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IN EFI_IP6_CONFIG_PROTOCOL *This,
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IN EFI_IP6_CONFIG_DATA_TYPE DataType,
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IN UINTN DataSize,
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IN VOID *Data
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);
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/**
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Get the configuration data for the EFI IPv6 network stack running on the communication
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device this EFI IPv6 Configuration Protocol instance manages.
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This function returns the configuration data of type DataType for the EFI IPv6 network
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stack running on the communication device this EFI IPv6 Configuration Protocol instance
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manages.
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The caller is responsible for allocating the buffer used to return the specified
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configuration data and the required size will be returned to the caller if the size of
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the buffer is too small.
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EFI_NOT_READY is returned if the specified configuration data is not ready due to an
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already in progress asynchronous configuration process. The caller can call RegisterDataNotify()
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to register an event on the specified configuration data. Once the asynchronous configuration
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process is finished, the event will be signaled and a subsequent GetData() call will return
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the specified configuration data.
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@param[in] This Pointer to the EFI_IP6_CONFIG_PROTOCOL instance.
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@param[in] DataType The type of data to get.
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@param[in,out] DataSize On input, in bytes, the size of Data. On output, in bytes, the
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size of buffer required to store the specified configuration data.
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@param[in] Data The data buffer in which the configuration data is returned. The
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type of the data buffer is associated with the DataType.
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@retval EFI_SUCCESS The specified configuration data is got successfully.
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@retval EFI_INVALID_PARAMETER One or more of the followings are TRUE:
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- This is NULL.
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- DataSize is NULL.
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- Data is NULL if *DataSize is not zero.
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@retval EFI_BUFFER_TOO_SMALL The size of Data is too small for the specified configuration data
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and the required size is returned in DataSize.
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@retval EFI_NOT_READY The specified configuration data is not ready due to an already in
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progress asynchronous configuration process.
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@retval EFI_NOT_FOUND The specified configuration data is not found.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_IP6_CONFIG_GET_DATA)(
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IN EFI_IP6_CONFIG_PROTOCOL *This,
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IN EFI_IP6_CONFIG_DATA_TYPE DataType,
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IN OUT UINTN *DataSize,
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IN VOID *Data OPTIONAL
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);
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/**
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Register an event that is to be signaled whenever a configuration process on the specified
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configuration data is done.
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This function registers an event that is to be signaled whenever a configuration process
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on the specified configuration data is done. An event can be registered for different DataType
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simultaneously and the caller is responsible for determining which type of configuration data
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causes the signaling of the event in such case.
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@param[in] This Pointer to the EFI_IP6_CONFIG_PROTOCOL instance.
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@param[in] DataType The type of data to unregister the event for.
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@param[in] Event The event to register.
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@retval EFI_SUCCESS The notification event for the specified configuration data is
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registered.
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@retval EFI_INVALID_PARAMETER This is NULL or Event is NULL.
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@retval EFI_UNSUPPORTED The configuration data type specified by DataType is not
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supported.
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@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
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@retval EFI_ACCESS_DENIED The Event is already registered for the DataType.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_IP6_CONFIG_REGISTER_NOTIFY)(
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IN EFI_IP6_CONFIG_PROTOCOL *This,
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IN EFI_IP6_CONFIG_DATA_TYPE DataType,
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IN EFI_EVENT Event
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);
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/**
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Remove a previously registered event for the specified configuration data.
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This function removes a previously registered event for the specified configuration data.
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@param[in] This Pointer to the EFI_IP6_CONFIG_PROTOCOL instance.
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@param[in] DataType The type of data to remove the previously registered event for.
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@param[in] Event The event to unregister.
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@retval EFI_SUCCESS The event registered for the specified configuration data is removed.
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@retval EFI_INVALID_PARAMETER This is NULL or Event is NULL.
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@retval EFI_NOT_FOUND The Event has not been registered for the specified
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DataType.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_IP6_CONFIG_UNREGISTER_NOTIFY)(
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IN EFI_IP6_CONFIG_PROTOCOL *This,
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IN EFI_IP6_CONFIG_DATA_TYPE DataType,
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IN EFI_EVENT Event
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);
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///
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/// The EFI_IP6_CONFIG_PROTOCOL provides the mechanism to set and get various
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/// types of configurations for the EFI IPv6 network stack.
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///
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struct _EFI_IP6_CONFIG_PROTOCOL {
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EFI_IP6_CONFIG_SET_DATA SetData;
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EFI_IP6_CONFIG_GET_DATA GetData;
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EFI_IP6_CONFIG_REGISTER_NOTIFY RegisterDataNotify;
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EFI_IP6_CONFIG_UNREGISTER_NOTIFY UnregisterDataNotify;
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};
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extern EFI_GUID gEfiIp6ConfigProtocolGuid;
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#endif
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