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308 lines
11 KiB
C
308 lines
11 KiB
C
/** @file
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Definitions for EFI IPv6 Configuartion Protocol implementation.
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Copyright (c) 2009 - 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 __IP6_CONFIG_IMPL_H__
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#define __IP6_CONFIG_IMPL_H__
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#define IP6_CONFIG_INSTANCE_SIGNATURE SIGNATURE_32 ('I', 'P', '6', 'C')
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#define IP6_FORM_CALLBACK_INFO_SIGNATURE SIGNATURE_32 ('I', 'F', 'C', 'I')
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#define IP6_CONFIG_VARIABLE_ATTRIBUTE (EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS)
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#define IP6_CONFIG_DEFAULT_DAD_XMITS 1
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#define DATA_ATTRIB_SIZE_FIXED 0x1
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#define DATA_ATTRIB_VOLATILE 0x2
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#define DATA_ATTRIB_SET(Attrib, Bits) (BOOLEAN)((Attrib) & (Bits))
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#define SET_DATA_ATTRIB(Attrib, Bits) ((Attrib) |= (Bits))
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typedef struct _IP6_CONFIG_INSTANCE IP6_CONFIG_INSTANCE;
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#define IP6_CONFIG_INSTANCE_FROM_PROTOCOL(Proto) \
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CR ((Proto), \
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IP6_CONFIG_INSTANCE, \
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Ip6Config, \
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IP6_CONFIG_INSTANCE_SIGNATURE \
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)
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#define IP6_CONFIG_INSTANCE_FROM_FORM_CALLBACK(Callback) \
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CR ((Callback), \
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IP6_CONFIG_INSTANCE, \
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CallbackInfo, \
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IP6_CONFIG_INSTANCE_SIGNATURE \
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)
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#define IP6_SERVICE_FROM_IP6_CONFIG_INSTANCE(Instance) \
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CR ((Instance), \
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IP6_SERVICE, \
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Ip6ConfigInstance, \
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IP6_SERVICE_SIGNATURE \
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)
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#define IP6_FORM_CALLBACK_INFO_FROM_CONFIG_ACCESS(ConfigAccess) \
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CR ((ConfigAccess), \
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IP6_FORM_CALLBACK_INFO, \
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HiiConfigAccess, \
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IP6_FORM_CALLBACK_INFO_SIGNATURE \
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)
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/**
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The prototype of work function for EfiIp6ConfigSetData().
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@param[in] Instance The pointer to the IP6 config instance data.
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@param[in] DataSize In bytes, the size of the buffer pointed to by Data.
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@param[in] Data The data buffer to set.
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@retval EFI_BAD_BUFFER_SIZE The DataSize does not match the size of the type,
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8 bytes.
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@retval EFI_SUCCESS The specified configuration data for the EFI IPv6
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network stack was set successfully.
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**/
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typedef
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EFI_STATUS
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(*IP6_CONFIG_SET_DATA) (
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IN IP6_CONFIG_INSTANCE *Instance,
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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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The prototype of work function for EfiIp6ConfigGetData().
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@param[in] Instance The pointer to the IP6 config instance data.
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@param[in, out] DataSize On input, in bytes, the size of Data. On output, in
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bytes, the size of buffer required to store the specified
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configuration data.
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@param[in] Data The data buffer in which the configuration data is returned.
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Ignored if DataSize is ZERO.
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@retval EFI_BUFFER_TOO_SMALL The size of Data is too small for the specified
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configuration data, and the required size is
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returned in DataSize.
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@retval EFI_SUCCESS The specified configuration data was obtained successfully.
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**/
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typedef
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EFI_STATUS
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(*IP6_CONFIG_GET_DATA) (
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IN IP6_CONFIG_INSTANCE *Instance,
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IN OUT UINTN *DataSize,
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IN VOID *Data OPTIONAL
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);
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typedef union {
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VOID *Ptr;
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EFI_IP6_CONFIG_INTERFACE_INFO *IfInfo;
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EFI_IP6_CONFIG_INTERFACE_ID *AltIfId;
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EFI_IP6_CONFIG_POLICY *Policy;
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EFI_IP6_CONFIG_DUP_ADDR_DETECT_TRANSMITS *DadXmits;
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EFI_IP6_CONFIG_MANUAL_ADDRESS *ManualAddress;
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EFI_IPv6_ADDRESS *Gateway;
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EFI_IPv6_ADDRESS *DnsServers;
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} IP6_CONFIG_DATA;
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typedef struct {
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IP6_CONFIG_SET_DATA SetData;
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IP6_CONFIG_GET_DATA GetData;
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EFI_STATUS Status;
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UINT8 Attribute;
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NET_MAP EventMap;
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IP6_CONFIG_DATA Data;
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UINTN DataSize;
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} IP6_CONFIG_DATA_ITEM;
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typedef struct {
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UINT16 Offset;
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UINT32 DataSize;
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EFI_IP6_CONFIG_DATA_TYPE DataType;
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} IP6_CONFIG_DATA_RECORD;
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#pragma pack(1)
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//
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// heap data that contains the data for each data record.
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//
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// BOOLEAN IsAltIfIdSet;
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// EFI_IP6_CONFIG_POLICY Policy;
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// EFI_IP6_CONFIG_DUP_ADDR_DETECT_TRANSMITS DadXmits;
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// UINT32 ManualaddressCount;
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// UINT32 GatewayCount;
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// UINT32 DnsServersCount;
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// EFI_IP6_CONFIG_INTERFACE_ID AltIfId;
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// EFI_IP6_CONFIG_MANUAL_ADDRESS ManualAddress[];
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// EFI_IPv6_ADDRESS Gateway[];
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// EFI_IPv6_ADDRESS DnsServers[];
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//
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typedef struct {
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UINT32 IaId;
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UINT16 Checksum;
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UINT16 DataRecordCount;
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IP6_CONFIG_DATA_RECORD DataRecord[1];
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} IP6_CONFIG_VARIABLE;
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#pragma pack()
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typedef struct {
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LIST_ENTRY Link;
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EFI_IP6_ADDRESS_INFO AddrInfo;
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} IP6_ADDRESS_INFO_ENTRY;
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typedef struct {
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EFI_IP6_CONFIG_POLICY Policy; ///< manual or automatic
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EFI_IP6_CONFIG_DUP_ADDR_DETECT_TRANSMITS DadTransmitCount; ///< dad transmits count
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EFI_IP6_CONFIG_INTERFACE_ID InterfaceId; ///< alternative interface id
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LIST_ENTRY ManualAddress; ///< IP addresses
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UINT32 ManualAddressCount; ///< IP addresses count
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LIST_ENTRY GatewayAddress; ///< Gateway address
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UINT32 GatewayAddressCount; ///< Gateway address count
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LIST_ENTRY DnsAddress; ///< DNS server address
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UINT32 DnsAddressCount; ///< DNS server address count
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} IP6_CONFIG_NVDATA;
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typedef struct _IP6_FORM_CALLBACK_INFO {
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UINT32 Signature;
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EFI_HANDLE ChildHandle;
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EFI_HII_CONFIG_ACCESS_PROTOCOL HiiConfigAccess;
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EFI_DEVICE_PATH_PROTOCOL *HiiVendorDevicePath;
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EFI_HII_HANDLE RegisteredHandle;
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} IP6_FORM_CALLBACK_INFO;
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struct _IP6_CONFIG_INSTANCE {
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UINT32 Signature;
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BOOLEAN Configured;
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LIST_ENTRY Link;
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UINT16 IfIndex;
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EFI_IP6_CONFIG_INTERFACE_INFO InterfaceInfo;
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EFI_IP6_CONFIG_INTERFACE_ID AltIfId;
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EFI_IP6_CONFIG_POLICY Policy;
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EFI_IP6_CONFIG_DUP_ADDR_DETECT_TRANSMITS DadXmits;
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IP6_CONFIG_DATA_ITEM DataItem[Ip6ConfigDataTypeMaximum];
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NET_MAP DadFailedMap;
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NET_MAP DadPassedMap;
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EFI_IP6_CONFIG_PROTOCOL Ip6Config;
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EFI_EVENT Dhcp6SbNotifyEvent;
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VOID *Registration;
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EFI_HANDLE Dhcp6Handle;
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EFI_DHCP6_PROTOCOL *Dhcp6;
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BOOLEAN OtherInfoOnly;
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UINT32 IaId;
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EFI_EVENT Dhcp6Event;
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UINT32 FailedIaAddressCount;
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EFI_IPv6_ADDRESS *DeclineAddress;
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UINT32 DeclineAddressCount;
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IP6_FORM_CALLBACK_INFO CallbackInfo;
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IP6_CONFIG_NVDATA Ip6NvData;
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};
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/**
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Read the configuration data from variable storage according to the VarName and
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gEfiIp6ConfigProtocolGuid. It checks the integrity of variable data. If the
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data is corrupted, it clears the variable data to ZERO. Othewise, it outputs the
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configuration data to IP6_CONFIG_INSTANCE.
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@param[in] VarName The pointer to the variable name
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@param[in, out] Instance The pointer to the IP6 config instance data.
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@retval EFI_NOT_FOUND The variable can not be found or already corrupted.
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@retval EFI_OUT_OF_RESOURCES Fail to allocate resource to complete the operation.
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@retval EFI_SUCCESS The configuration data was retrieved successfully.
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**/
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EFI_STATUS
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Ip6ConfigReadConfigData (
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IN CHAR16 *VarName,
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IN OUT IP6_CONFIG_INSTANCE *Instance
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);
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/**
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The event process routine when the DHCPv6 server is answered with a reply packet
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for an information request.
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@param[in] This Points to the EFI_DHCP6_PROTOCOL.
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@param[in] Context The pointer to the IP6 configuration instance data.
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@param[in] Packet The DHCPv6 reply packet.
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@retval EFI_SUCCESS The DNS server address was retrieved from the reply packet.
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@retval EFI_NOT_READY The reply packet does not contain the DNS server option, or
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the DNS server address is not valid.
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**/
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EFI_STATUS
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EFIAPI
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Ip6ConfigOnDhcp6Reply (
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IN EFI_DHCP6_PROTOCOL *This,
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IN VOID *Context,
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IN EFI_DHCP6_PACKET *Packet
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);
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/**
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The work function to trigger the DHCPv6 process to perform a stateful autoconfiguration.
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@param[in] Instance Pointer to the IP6 config instance data.
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@param[in] OtherInfoOnly If FALSE, get stateful address and other information
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via DHCPv6. Otherwise, only get the other information.
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@retval EFI_SUCCESS The operation finished successfully.
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@retval EFI_UNSUPPORTED The DHCP6 driver is not available.
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**/
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EFI_STATUS
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Ip6ConfigStartStatefulAutoConfig (
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IN IP6_CONFIG_INSTANCE *Instance,
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IN BOOLEAN OtherInfoOnly
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);
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/**
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Initialize an IP6_CONFIG_INSTANCE.
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@param[out] Instance The buffer of IP6_CONFIG_INSTANCE to be initialized.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate resources to complete the operation.
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@retval EFI_SUCCESS The IP6_CONFIG_INSTANCE initialized successfully.
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**/
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EFI_STATUS
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Ip6ConfigInitInstance (
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OUT IP6_CONFIG_INSTANCE *Instance
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);
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/**
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Release an IP6_CONFIG_INSTANCE.
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@param[in, out] Instance The buffer of IP6_CONFIG_INSTANCE to be freed.
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**/
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VOID
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Ip6ConfigCleanInstance (
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IN OUT IP6_CONFIG_INSTANCE *Instance
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);
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/**
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Destroy the Dhcp6 child in IP6_CONFIG_INSTANCE and release the resources.
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@param[in, out] Instance The buffer of IP6_CONFIG_INSTANCE to be freed.
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@retval EFI_SUCCESS The child was successfully destroyed.
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@retval Others Failed to destroy the child.
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**/
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EFI_STATUS
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Ip6ConfigDestroyDhcp6 (
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IN OUT IP6_CONFIG_INSTANCE *Instance
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);
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#endif
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