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CloverBootloader/NetworkPkg/Dhcp6Dxe/Dhcp6Impl.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

480 lines
21 KiB
C
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/** @file
Dhcp6 internal data structure and definition declaration.
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __EFI_DHCP6_IMPL_H__
#define __EFI_DHCP6_IMPL_H__
#include <Uefi.h>
#include <IndustryStandard/Dhcp.h>
#include <Protocol/Dhcp6.h>
#include <Protocol/Udp6.h>
#include <Protocol/Ip6Config.h>
#include <Protocol/ServiceBinding.h>
#include <Protocol/DriverBinding.h>
#include <Library/UdpIoLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/BaseLib.h>
#include <Library/NetLib.h>
#include <Library/PrintLib.h>
#include <Guid/ZeroGuid.h>
typedef struct _DHCP6_IA_CB DHCP6_IA_CB;
typedef struct _DHCP6_INF_CB DHCP6_INF_CB;
typedef struct _DHCP6_TX_CB DHCP6_TX_CB;
typedef struct _DHCP6_SERVICE DHCP6_SERVICE;
typedef struct _DHCP6_INSTANCE DHCP6_INSTANCE;
#include "Dhcp6Utility.h"
#include "Dhcp6Io.h"
#include "Dhcp6Driver.h"
#define DHCP6_SERVICE_SIGNATURE SIGNATURE_32 ('D', 'H', '6', 'S')
#define DHCP6_INSTANCE_SIGNATURE SIGNATURE_32 ('D', 'H', '6', 'I')
#define DHCP6_PACKET_ALL 0
#define DHCP6_PACKET_STATEFUL 1
#define DHCP6_PACKET_STATELESS 2
#define DHCP6_BASE_PACKET_SIZE 1024
#define DHCP6_PORT_CLIENT 546
#define DHCP6_PORT_SERVER 547
#define DHCP_CHECK_MEDIA_WAITING_TIME EFI_TIMER_PERIOD_SECONDS(20)
#define DHCP6_INSTANCE_FROM_THIS(Instance) CR ((Instance), DHCP6_INSTANCE, Dhcp6, DHCP6_INSTANCE_SIGNATURE)
#define DHCP6_SERVICE_FROM_THIS(Service) CR ((Service), DHCP6_SERVICE, ServiceBinding, DHCP6_SERVICE_SIGNATURE)
extern EFI_IPv6_ADDRESS mAllDhcpRelayAndServersAddress;
extern EFI_DHCP6_PROTOCOL gDhcp6ProtocolTemplate;
//
// Control block for each IA.
//
struct _DHCP6_IA_CB {
EFI_DHCP6_IA *Ia;
UINT32 T1;
UINT32 T2;
UINT32 AllExpireTime;
UINT32 LeaseTime;
};
//
// Control block for each transmitted message.
//
struct _DHCP6_TX_CB {
LIST_ENTRY Link;
UINT32 Xid;
EFI_DHCP6_PACKET *TxPacket;
EFI_DHCP6_RETRANSMISSION RetryCtl;
UINT32 RetryCnt;
UINT32 RetryExp;
UINT32 RetryLos;
UINT32 TickTime;
UINT16 *Elapsed;
BOOLEAN SolicitRetry;
};
//
// Control block for each info-request message.
//
struct _DHCP6_INF_CB {
LIST_ENTRY Link;
UINT32 Xid;
EFI_DHCP6_INFO_CALLBACK ReplyCallback;
VOID *CallbackContext;
EFI_EVENT TimeoutEvent;
};
//
// Control block for Dhcp6 instance, it's per configuration data.
//
struct _DHCP6_INSTANCE {
UINT32 Signature;
EFI_HANDLE Handle;
DHCP6_SERVICE *Service;
LIST_ENTRY Link;
EFI_DHCP6_PROTOCOL Dhcp6;
EFI_EVENT Timer;
EFI_DHCP6_CONFIG_DATA *Config;
EFI_DHCP6_IA *CacheIa;
DHCP6_IA_CB IaCb;
LIST_ENTRY TxList;
LIST_ENTRY InfList;
EFI_DHCP6_PACKET *AdSelect;
UINT8 AdPref;
EFI_IPv6_ADDRESS *Unicast;
volatile EFI_STATUS UdpSts;
BOOLEAN InDestroy;
BOOLEAN MediaPresent;
//
// StartTime is used to calculate the 'elapsed-time' option. Refer to RFC3315,
// the elapsed-time is amount of time since the client began its current DHCP transaction.
//
UINT64 StartTime;
};
//
// Control block for Dhcp6 service, it's per Nic handle.
//
struct _DHCP6_SERVICE {
UINT32 Signature;
EFI_HANDLE Controller;
EFI_HANDLE Image;
EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;
EFI_SIMPLE_NETWORK_PROTOCOL *Snp;
EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg;
EFI_DHCP6_DUID *ClientId;
UDP_IO *UdpIo;
UINT32 Xid;
LIST_ENTRY Child;
UINTN NumOfChild;
};
/**
Starts the DHCPv6 standard S.A.R.R. process.
The Start() function starts the DHCPv6 standard process. This function can
be called only when the state of Dhcp6 instance is in the Dhcp6Init state.
If the DHCP process completes successfully, the state of the Dhcp6 instance
will be transferred through Dhcp6Selecting and Dhcp6Requesting to the
Dhcp6Bound state.
Refer to rfc-3315 for precise state transitions during this process. At the
time when each event occurs in this process, the callback function that was set
by EFI_DHCP6_PROTOCOL.Configure() will be called and the user can take this
opportunity to control the process.
@param[in] This The pointer to Dhcp6 protocol.
@retval EFI_SUCCESS The DHCPv6 standard process has started, or it
completed when CompletionEvent was NULL.
@retval EFI_ACCESS_DENIED The EFI DHCPv6 Child instance hasn't been configured.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
@retval EFI_TIMEOUT The DHCPv6 configuration process failed because no
response was received from the server within the
specified timeout value.
@retval EFI_ABORTED The user aborted the DHCPv6 process.
@retval EFI_ALREADY_STARTED Some other Dhcp6 instance already started the DHCPv6
standard process.
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
**/
EFI_STATUS
EFIAPI
EfiDhcp6Start (
IN EFI_DHCP6_PROTOCOL *This
);
/**
Stops the DHCPv6 standard S.A.R.R. process.
The Stop() function is used to stop the DHCPv6 standard process. After this
function is called successfully, the state of Dhcp6 instance is transferred
into the Dhcp6Init. EFI_DHCP6_PROTOCOL.Configure() needs to be called
before DHCPv6 standard process can be started again. This function can be
called when the Dhcp6 instance is in any state.
@param[in] This The pointer to the Dhcp6 protocol.
@retval EFI_SUCCESS The Dhcp6 instance is now in the Dhcp6Init state.
@retval EFI_INVALID_PARAMETER This is NULL.
**/
EFI_STATUS
EFIAPI
EfiDhcp6Stop (
IN EFI_DHCP6_PROTOCOL *This
);
/**
Returns the current operating mode data for the Dhcp6 instance.
The GetModeData() function returns the current operating mode and
cached data packet for the Dhcp6 instance.
@param[in] This The pointer to the Dhcp6 protocol.
@param[out] Dhcp6ModeData The pointer to the Dhcp6 mode data.
@param[out] Dhcp6ConfigData The pointer to the Dhcp6 configure data.
@retval EFI_SUCCESS The mode data was returned.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_ACCESS_DENIED The EFI DHCPv6 Protocol instance has not
been configured when Dhcp6ConfigData is
not NULL.
**/
EFI_STATUS
EFIAPI
EfiDhcp6GetModeData (
IN EFI_DHCP6_PROTOCOL *This,
OUT EFI_DHCP6_MODE_DATA *Dhcp6ModeData OPTIONAL,
OUT EFI_DHCP6_CONFIG_DATA *Dhcp6ConfigData OPTIONAL
);
/**
Initializes, changes, or resets the operational settings for the Dhcp6 instance.
The Configure() function is used to initialize or clean up the configuration
data of the Dhcp6 instance:
- When Dhcp6CfgData is not NULL and Configure() is called successfully, the
configuration data will be initialized in the Dhcp6 instance and the state
of the configured IA will be transferred into Dhcp6Init.
- When Dhcp6CfgData is NULL and Configure() is called successfully, the
configuration data will be cleaned up and no IA will be associated with
the Dhcp6 instance.
To update the configuration data for an Dhcp6 instance, the original data
must be cleaned up before setting the new configuration data.
@param[in] This The pointer to the Dhcp6 protocol
@param[in] Dhcp6CfgData The pointer to the EFI_DHCP6_CONFIG_DATA.
@retval EFI_SUCCESS The Dhcp6 is configured successfully with the
Dhcp6Init state, or cleaned up the original
configuration setting.
@retval EFI_ACCESS_DENIED The Dhcp6 instance has been already configured
when Dhcp6CfgData is not NULL.
The Dhcp6 instance has already started the
DHCPv6 S.A.R.R when Dhcp6CfgData is NULL.
@retval EFI_INVALID_PARAMETER Some of the parameter is invalid.
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
**/
EFI_STATUS
EFIAPI
EfiDhcp6Configure (
IN EFI_DHCP6_PROTOCOL *This,
IN EFI_DHCP6_CONFIG_DATA *Dhcp6CfgData OPTIONAL
);
/**
Request configuration information without the assignment of any
Ia addresses of the client.
The InfoRequest() function is used to request configuration information
without the assignment of any IPv6 address of the client. Client sends
out Information Request packet to obtain the required configuration
information, and DHCPv6 server responds with Reply packet containing
the information for the client. The received Reply packet will be passed
to the user by ReplyCallback function. If user returns EFI_NOT_READY from
ReplyCallback, the Dhcp6 instance will continue to receive other Reply
packets unless timeout according to the Retransmission parameter.
Otherwise, the Information Request exchange process will be finished
successfully if user returns EFI_SUCCESS from ReplyCallback.
@param[in] This The pointer to the Dhcp6 protocol.
@param[in] SendClientId If TRUE, the DHCPv6 protocol instance will build Client
Identifier option and include it into Information Request
packet. Otherwise, Client Identifier option will not be included.
@param[in] OptionRequest The pointer to the buffer of option request options.
@param[in] OptionCount The option number in the OptionList.
@param[in] OptionList The list of appended options.
@param[in] Retransmission The pointer to the retransmission of the message.
@param[in] TimeoutEvent The event of timeout.
@param[in] ReplyCallback The callback function when a reply was received.
@param[in] CallbackContext The pointer to the parameter passed to the callback.
@retval EFI_SUCCESS The DHCPv6 information request exchange process
completed when TimeoutEvent is NULL. Information
Request packet has been sent to DHCPv6 server when
TimeoutEvent is not NULL.
@retval EFI_NO_RESPONSE The DHCPv6 information request exchange process failed
because of no response, or not all requested-options
are responded to by DHCPv6 servers when Timeout happened.
@retval EFI_ABORTED The DHCPv6 information request exchange process was aborted
by the user.
@retval EFI_INVALID_PARAMETER Some parameter is NULL.
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
**/
EFI_STATUS
EFIAPI
EfiDhcp6InfoRequest (
IN EFI_DHCP6_PROTOCOL *This,
IN BOOLEAN SendClientId,
IN EFI_DHCP6_PACKET_OPTION *OptionRequest,
IN UINT32 OptionCount,
IN EFI_DHCP6_PACKET_OPTION *OptionList[] OPTIONAL,
IN EFI_DHCP6_RETRANSMISSION *Retransmission,
IN EFI_EVENT TimeoutEvent OPTIONAL,
IN EFI_DHCP6_INFO_CALLBACK ReplyCallback,
IN VOID *CallbackContext OPTIONAL
);
/**
Manually extend the valid and preferred lifetimes for the IPv6 addresses
of the configured IA and update other configuration parameters by sending
Renew or Rebind packet.
The RenewRebind() function is used to manually extend the valid and preferred
lifetimes for the IPv6 addresses of the configured IA and update other
configuration parameters by sending a Renew or Rebind packet.
- When RebindRequest is FALSE and the state of the configured IA is Dhcp6Bound,
it will send Renew packet to the previously DHCPv6 server and transfer the
state of the configured IA to Dhcp6Renewing. If valid Reply packet received,
the state transfers to Dhcp6Bound and the valid and preferred timer restarts.
If fails, the state transfers to Dhcp6Bound but the timer continues.
- When RebindRequest is TRUE and the state of the configured IA is Dhcp6Bound,
it will send a Rebind packet. If a valid Reply packet is received, the state transfers
to Dhcp6Bound, and the valid and preferred timer restarts. If it fails, the state
transfers to Dhcp6Init, and the IA can't be used.
@param[in] This The pointer to the Dhcp6 protocol.
@param[in] RebindRequest If TRUE, Rebind packet will be sent and enter Dhcp6Rebinding state.
Otherwise, Renew packet will be sent and enter Dhcp6Renewing state.
@retval EFI_SUCCESS The DHCPv6 renew/rebind exchange process
completed and at least one IPv6 address of the
configured IA was bound again when
EFI_DHCP6_CONFIG_DATA.IaInfoEvent was NULL.
The EFI DHCPv6 Protocol instance has sent Renew
or Rebind packet when
EFI_DHCP6_CONFIG_DATA.IaInfoEvent is not NULL.
@retval EFI_ACCESS_DENIED The Dhcp6 instance hasn't been configured, or the
state of the configured IA is not in Dhcp6Bound.
@retval EFI_ALREADY_STARTED The state of the configured IA has already entered
Dhcp6Renewing when RebindRequest is FALSE.
The state of the configured IA has already entered
Dhcp6Rebinding when RebindRequest is TRUE.
@retval EFI_ABORTED The DHCPv6 renew/rebind exchange process aborted
by user.
@retval EFI_NO_RESPONSE The DHCPv6 renew/rebind exchange process failed
because of no response.
@retval EFI_NO_MAPPING No IPv6 address has been bound to the configured
IA after the DHCPv6 renew/rebind exchange process.
@retval EFI_INVALID_PARAMETER Some parameter is NULL.
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
**/
EFI_STATUS
EFIAPI
EfiDhcp6RenewRebind (
IN EFI_DHCP6_PROTOCOL *This,
IN BOOLEAN RebindRequest
);
/**
Inform that one or more addresses assigned by a server are already
in use by another node.
The Decline() function is used to manually decline the assignment of
IPv6 addresses, which have been already used by another node. If all
IPv6 addresses of the configured IA are declined through this function,
the state of the IA will switch through Dhcp6Declining to Dhcp6Init.
Otherwise, the state of the IA will restore to Dhcp6Bound after the
declining process. The Decline() can only be called when the IA is in
Dhcp6Bound state. If the EFI_DHCP6_CONFIG_DATA.IaInfoEvent is NULL,
this function is a blocking operation. It will return after the
declining process finishes, or aborted by user.
@param[in] This The pointer to the Dhcp6 protocol.
@param[in] AddressCount The number of declining addresses.
@param[in] Addresses The pointer to the buffer stored the declining
addresses.
@retval EFI_SUCCESS The DHCPv6 decline exchange process completed
when EFI_DHCP6_CONFIG_DATA.IaInfoEvent was NULL.
The Dhcp6 instance has sent Decline packet when
EFI_DHCP6_CONFIG_DATA.IaInfoEvent is not NULL.
@retval EFI_ACCESS_DENIED The Dhcp6 instance hasn't been configured, or the
state of the configured IA is not in Dhcp6Bound.
@retval EFI_ABORTED The DHCPv6 decline exchange process was aborted by the user.
@retval EFI_NOT_FOUND Any specified IPv6 address is not correlated with
the configured IA for this instance.
@retval EFI_INVALID_PARAMETER Some parameter is NULL.
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
**/
EFI_STATUS
EFIAPI
EfiDhcp6Decline (
IN EFI_DHCP6_PROTOCOL *This,
IN UINT32 AddressCount,
IN EFI_IPv6_ADDRESS *Addresses
);
/**
Release one or more addresses associated with the configured Ia
for the current instance.
The Release() function is used to manually release the one or more
IPv6 address. If AddressCount is zero, it will release all IPv6
addresses of the configured IA. If all IPv6 addresses of the IA are
released through this function, the state of the IA will switch
through Dhcp6Releasing to Dhcp6Init, otherwise, the state of the
IA will restore to Dhcp6Bound after the releasing process.
The Release() can only be called when the IA is in a Dhcp6Bound state.
If the EFI_DHCP6_CONFIG_DATA.IaInfoEvent is NULL, the function is
a blocking operation. It will return after the releasing process
finishes, or aborted by user.
@param[in] This The pointer to the Dhcp6 protocol.
@param[in] AddressCount The number of releasing addresses.
@param[in] Addresses The pointer to the buffer stored the releasing
addresses.
@retval EFI_SUCCESS The DHCPv6 release exchange process has
completed when EFI_DHCP6_CONFIG_DATA.IaInfoEvent
is NULL. The Dhcp6 instance has sent Release
packet when EFI_DHCP6_CONFIG_DATA.IaInfoEvent
is not NULL.
@retval EFI_ACCESS_DENIED The Dhcp6 instance hasn't been configured, or the
state of the configured IA is not in Dhcp6Bound.
@retval EFI_ABORTED The DHCPv6 release exchange process was aborted by the user.
@retval EFI_NOT_FOUND Any specified IPv6 address is not correlated with
the configured IA for this instance.
@retval EFI_INVALID_PARAMETER Some parameter is NULL.
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
**/
EFI_STATUS
EFIAPI
EfiDhcp6Release (
IN EFI_DHCP6_PROTOCOL *This,
IN UINT32 AddressCount,
IN EFI_IPv6_ADDRESS *Addresses
);
/**
Parse the option data in the Dhcp6 packet.
The Parse() function is used to retrieve the option list in the DHCPv6 packet.
@param[in] This The pointer to the Dhcp6 protocol.
@param[in] Packet The pointer to the Dhcp6 packet.
@param[in, out] OptionCount The number of option in the packet.
@param[out] PacketOptionList The array of pointers to the each option in the packet.
@retval EFI_SUCCESS The packet was successfully parsed.
@retval EFI_INVALID_PARAMETER Some parameter is NULL.
@retval EFI_BUFFER_TOO_SMALL *OptionCount is smaller than the number of options
that were found in the Packet.
**/
EFI_STATUS
EFIAPI
EfiDhcp6Parse (
IN EFI_DHCP6_PROTOCOL *This,
IN EFI_DHCP6_PACKET *Packet,
IN OUT UINT32 *OptionCount,
OUT EFI_DHCP6_PACKET_OPTION *PacketOptionList[] OPTIONAL
);
#endif
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