/** @file
Udp6 driver's whole implementation and internal data structures.
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _UDP6_IMPL_H_
#define _UDP6_IMPL_H_
#include
#include
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#include
#include "Udp6Driver.h"
extern EFI_COMPONENT_NAME2_PROTOCOL gUdp6ComponentName2;
extern EFI_COMPONENT_NAME_PROTOCOL gUdp6ComponentName;
extern EFI_UNICODE_STRING_TABLE *gUdp6ControllerNameTable;
extern EFI_SERVICE_BINDING_PROTOCOL mUdp6ServiceBinding;
extern EFI_UDP6_PROTOCOL mUdp6Protocol;
extern UINT16 mUdp6RandomPort;
//
// Define time out 50 milliseconds
//
#define UDP6_TIMEOUT_INTERVAL (50 * TICKS_PER_MS)
#define UDP6_HEADER_SIZE sizeof (EFI_UDP_HEADER)
#define UDP6_MAX_DATA_SIZE 65507
#define UDP6_PORT_KNOWN 1024
#define UDP6_SERVICE_DATA_SIGNATURE SIGNATURE_32 ('U', 'd', 'p', '6')
#define UDP6_INSTANCE_DATA_SIGNATURE SIGNATURE_32 ('U', 'd', 'p', 'S')
#define UDP6_SERVICE_DATA_FROM_THIS(a) \
CR ( \
(a), \
UDP6_SERVICE_DATA, \
ServiceBinding, \
UDP6_SERVICE_DATA_SIGNATURE \
)
#define UDP6_INSTANCE_DATA_FROM_THIS(a) \
CR ( \
(a), \
UDP6_INSTANCE_DATA, \
Udp6Proto, \
UDP6_INSTANCE_DATA_SIGNATURE \
)
//
// Udp6 service contest data
//
typedef struct _UDP6_SERVICE_DATA {
UINT32 Signature;
EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;
EFI_HANDLE ImageHandle;
EFI_HANDLE ControllerHandle;
LIST_ENTRY ChildrenList;
UINTN ChildrenNumber;
IP_IO *IpIo;
EFI_EVENT TimeoutEvent;
} UDP6_SERVICE_DATA;
typedef struct _UDP6_INSTANCE_DATA {
UINT32 Signature;
LIST_ENTRY Link;
UDP6_SERVICE_DATA *Udp6Service;
EFI_UDP6_PROTOCOL Udp6Proto;
EFI_UDP6_CONFIG_DATA ConfigData;
EFI_HANDLE ChildHandle;
BOOLEAN Configured;
BOOLEAN IsNoMapping;
NET_MAP TxTokens;
NET_MAP RxTokens;
NET_MAP McastIps;
LIST_ENTRY RcvdDgramQue;
LIST_ENTRY DeliveredDgramQue;
UINT16 HeadSum;
EFI_STATUS IcmpError;
IP_IO_IP_INFO *IpInfo;
BOOLEAN InDestroy;
} UDP6_INSTANCE_DATA;
typedef struct _UDP6_RXDATA_WRAP {
LIST_ENTRY Link;
NET_BUF *Packet;
UINT32 TimeoutTick;
EFI_UDP6_RECEIVE_DATA RxData;
} UDP6_RXDATA_WRAP;
typedef struct {
EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
UINTN NumberOfChildren;
EFI_HANDLE *ChildHandleBuffer;
} UDP6_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT;
/**
Clean the Udp service context data.
@param[in, out] Udp6Service Pointer to the UDP6_SERVICE_DATA.
**/
VOID
Udp6CleanService (
IN OUT UDP6_SERVICE_DATA *Udp6Service
);
/**
Create the Udp service context data.
@param[in] Udp6Service Pointer to the UDP6_SERVICE_DATA.
@param[in] ImageHandle The image handle of this udp6 driver.
@param[in] ControllerHandle The controller handle this udp6 driver binds on.
@retval EFI_SUCCESS The udp6 service context data was created and
initialized.
@retval EFI_OUT_OF_RESOURCES Cannot allocate memory.
@retval Others An error condition occurred.
**/
EFI_STATUS
Udp6CreateService (
IN UDP6_SERVICE_DATA *Udp6Service,
IN EFI_HANDLE ImageHandle,
IN EFI_HANDLE ControllerHandle
);
/**
This function cleans the udp instance.
@param[in, out] Instance Pointer to the UDP6_INSTANCE_DATA to clean.
**/
VOID
Udp6CleanInstance (
IN OUT UDP6_INSTANCE_DATA *Instance
);
/**
This function initializes the new created udp instance.
@param[in] Udp6Service Pointer to the UDP6_SERVICE_DATA.
@param[in, out] Instance Pointer to the un-initialized UDP6_INSTANCE_DATA.
**/
VOID
Udp6InitInstance (
IN UDP6_SERVICE_DATA *Udp6Service,
IN OUT UDP6_INSTANCE_DATA *Instance
);
/**
This function reports the received ICMP error.
@param[in] Instance Pointer to the udp instance context data.
**/
VOID
Udp6ReportIcmpError (
IN UDP6_INSTANCE_DATA *Instance
);
/**
This function copies the current operational settings of this EFI UDPv6 Protocol
instance into user-supplied buffers. This function is used optionally to retrieve
the operational mode data of underlying networks or drivers.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[out] Udp6ConfigData The buffer in which the current UDP configuration
data is returned. This parameter is optional and
may be NULL.
@param[out] Ip6ModeData The buffer in which the current EFI IPv6 Protocol
mode data is returned. This parameter is optional
and may be NULL.
@param[out] MnpConfigData The buffer in which the current managed network
configuration data is returned. This parameter
is optional and may be NULL.
@param[out] SnpModeData The buffer in which the simple network mode data
is returned. This parameter is optional and may be NULL.
@retval EFI_SUCCESS The mode data was read.
@retval EFI_NOT_STARTED When Udp6ConfigData is queried, no configuration
data is available because this instance has not
been started.
@retval EFI_INVALID_PARAMETER This is NULL.
**/
EFI_STATUS
EFIAPI
Udp6GetModeData (
IN EFI_UDP6_PROTOCOL *This,
OUT EFI_UDP6_CONFIG_DATA *Udp6ConfigData OPTIONAL,
OUT EFI_IP6_MODE_DATA *Ip6ModeData OPTIONAL,
OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,
OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL
);
/**
This function is used to do the following:
Initialize and start this instance of the EFI UDPv6 Protocol.
Change the filtering rules and operational parameters.
Reset this instance of the EFI UDPv6 Protocol.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] UdpConfigData Pointer to the buffer to set the configuration
data. This parameter is optional and may be NULL.
@retval EFI_SUCCESS The configuration settings were set, changed, or
reset successfully.
@retval EFI_NO_MAPPING When the UdpConfigData.UseAnyStationAddress is set
to true and there is no address available for IP6
driver to binding source address to this
instance.
@retval EFI_INVALID_PARAMETER One or more following conditions are TRUE:
This is NULL.
UdpConfigData.StationAddress is not a valid
unicast IPv6 address.
UdpConfigData.RemoteAddress is not a valid unicast
IPv6 address, if it is not zero.
@retval EFI_ALREADY_STARTED The EFI UDPv6 Protocol instance is already
started/configured and must be stopped/reset
before it can be reconfigured. Only TrafficClass,
HopLimit, ReceiveTimeout, and TransmitTimeout can
be reconfigured without stopping the current
instance of the EFI UDPv6 Protocol.
@retval EFI_ACCESS_DENIED UdpConfigData.AllowDuplicatePort is FALSE, and
UdpConfigData.StationPort is already used by another
instance.
@retval EFI_OUT_OF_RESOURCES The EFI UDPv6 Protocol driver cannot allocate
memory for this EFI UDPv6 Protocol instance.
@retval EFI_DEVICE_ERROR An unexpected network or system error occurred, and
this instance was not opened.
**/
EFI_STATUS
EFIAPI
Udp6Configure (
IN EFI_UDP6_PROTOCOL *This,
IN EFI_UDP6_CONFIG_DATA *UdpConfigData OPTIONAL
);
/**
This function places a sending request to this instance of the EFI UDPv6 Protocol,
alongside the transmit data that was filled by the user.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] Token Pointer to the completion token that will be
placed into the transmit queue.
@retval EFI_SUCCESS The data has been queued for transmission.
@retval EFI_NOT_STARTED This EFI UDPv6 Protocol instance has not been
started.
@retval EFI_NO_MAPPING The under-layer IPv6 driver was responsible for
choosing a source address for this instance, but
no source address was available for use.
@retval EFI_INVALID_PARAMETER One or more of the following are TRUE:
This is NULL. Token is NULL. Token.Event is NULL.
Token.Packet.TxData is NULL.
Token.Packet.TxData.FragmentCount is zero.
Token.Packet.TxData.DataLength is not equal to the
sum of fragment lengths.
One or more of the
Token.Packet.TxData.FragmentTable[]
.FragmentLength fields is zero.
One or more of the
Token.Packet.TxData.FragmentTable[]
.FragmentBuffer fields is NULL.
One or more of the
Token.Packet.TxData.UdpSessionData.
DestinationAddress are not valid unicast IPv6
addresses, if the UdpSessionData is not NULL.
Token.Packet.TxData.UdpSessionData.
DestinationAddress is NULL
Token.Packet.TxData.UdpSessionData.
DestinationPort is zero.
Token.Packet.TxData.UdpSessionData is
NULL and this instance's
UdpConfigData.RemoteAddress is unspecified.
@retval EFI_ACCESS_DENIED The transmit completion token with the same
Token.Event is already in the transmit queue.
@retval EFI_NOT_READY The completion token could not be queued because
the transmit queue is full.
@retval EFI_OUT_OF_RESOURCES Could not queue the transmit data.
@retval EFI_NOT_FOUND There is no route to the destination network or
address.
@retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP
packet size. Or the length of the IP header + UDP
header + data length is greater than MTU if
DoNotFragment is TRUE.
**/
EFI_STATUS
EFIAPI
Udp6Transmit (
IN EFI_UDP6_PROTOCOL *This,
IN EFI_UDP6_COMPLETION_TOKEN *Token
);
/**
This function places a completion token into the receive packet queue. This function
is always asynchronous.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] Token Pointer to a token that is associated with the
receive data descriptor.
@retval EFI_SUCCESS The receive completion token is cached.
@retval EFI_NOT_STARTED This EFI UDPv6 Protocol instance has not been
started.
@retval EFI_NO_MAPPING When using a default address, configuration (DHCP,
BOOTP, RARP, etc.) is not finished yet.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
This is NULL.
Token is NULL.
Token.Event is NULL.
@retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued
due to a lack of system resources (usually
memory).
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
The EFI UDPv6 Protocol instance has been reset to
startup defaults.
@retval EFI_ACCESS_DENIED A receive completion token with the same
Token.Event is already in the receive queue.
@retval EFI_NOT_READY The receive request could not be queued because
the receive queue is full.
**/
EFI_STATUS
EFIAPI
Udp6Receive (
IN EFI_UDP6_PROTOCOL *This,
IN EFI_UDP6_COMPLETION_TOKEN *Token
);
/**
This function is used to abort a pending transmit or receive request.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] Token Pointer to a token that has been issued by
EFI_UDP6_PROTOCOL.Transmit() or
EFI_UDP6_PROTOCOL.Receive(). This parameter is
optional and may be NULL.
@retval EFI_SUCCESS The asynchronous I/O request is aborted and
Token.Event is signaled. When Token is NULL, all
pending requests are aborted and their events are
signaled.
@retval EFI_INVALID_PARAMETER This is NULL.
@retval EFI_NOT_STARTED This instance has not been started.
@retval EFI_NO_MAPPING When using the default address, configuration
(DHCP, BOOTP, RARP, etc.) is not finished yet.
@retval EFI_NOT_FOUND When Token is not NULL, the asynchronous I/O
request is not found in the transmit or receive
queue. It either completed or was not issued by
Transmit() or Receive().
**/
EFI_STATUS
EFIAPI
Udp6Cancel (
IN EFI_UDP6_PROTOCOL *This,
IN EFI_UDP6_COMPLETION_TOKEN *Token OPTIONAL
);
/**
This 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/receive queues.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@retval EFI_SUCCESS Incoming or outgoing data was processed.
@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.
**/
EFI_STATUS
EFIAPI
Udp6Poll (
IN EFI_UDP6_PROTOCOL *This
);
/**
This function is used to enable and disable the multicast group filtering.
@param[in] This Pointer to the EFI_UDP6_PROTOCOL instance.
@param[in] JoinFlag Set to TRUE to join a multicast group. Set to
FALSE to leave one or all multicast groups.
@param[in] MulticastAddress Pointer to multicast group address to join or
leave. This parameter is optional and may be NULL.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_NOT_STARTED The EFI UDPv6 Protocol instance has not been
started.
@retval EFI_OUT_OF_RESOURCES Could not allocate resources to join the group.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
This is NULL. JoinFlag is TRUE and
MulticastAddress is NULL. JoinFlag is TRUE and
*MulticastAddress is not a valid multicast
address.
@retval EFI_ALREADY_STARTED The group address is already in the group table
(when JoinFlag is TRUE).
@retval EFI_NOT_FOUND The group address is not in the group table (when
JoinFlag is FALSE).
@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
**/
EFI_STATUS
EFIAPI
Udp6Groups (
IN EFI_UDP6_PROTOCOL *This,
IN BOOLEAN JoinFlag,
IN EFI_IPv6_ADDRESS *MulticastAddress OPTIONAL
);
/**
This function tries to bind the udp instance according to the configured port
allocation strategy.
@param[in] InstanceList Pointer to the head of the list linking the udp
instances.
@param[in] ConfigData Pointer to the ConfigData of the instance to be
bound.
@retval EFI_SUCCESS The bound operation completed successfully.
@retval EFI_ACCESS_DENIED The specified by the ConfigData is
already used by another instance.
@retval EFI_OUT_OF_RESOURCES No available port resources.
**/
EFI_STATUS
Udp6Bind (
IN LIST_ENTRY *InstanceList,
IN EFI_UDP6_CONFIG_DATA *ConfigData
);
/**
This function builds the Ip6 configdata from the Udp6ConfigData.
@param[in] Udp6ConfigData Pointer to the EFI_UDP6_CONFIG_DATA.
@param[in, out] Ip6ConfigData Pointer to the EFI_IP6_CONFIG_DATA.
**/
VOID
Udp6BuildIp6ConfigData (
IN EFI_UDP6_CONFIG_DATA *Udp6ConfigData,
IN OUT EFI_IP6_CONFIG_DATA *Ip6ConfigData
);
/**
This function checks whether the specified Token duplicates with the one in the Map.
@param[in] Map Pointer to the NET_MAP.
@param[in] Item Pointer to the NET_MAP_ITEM contain the pointer to
the Token.
@param[in] Context Pointer to the Token to be checked.
@retval EFI_SUCCESS The Token specified by Context differs from the
one in the Item.
@retval EFI_ACCESS_DENIED The Token duplicates with the one in the Item.
**/
EFI_STATUS
EFIAPI
Udp6TokenExist (
IN NET_MAP *Map,
IN NET_MAP_ITEM *Item,
IN VOID *Context
);
/**
This function removes the specified Token from the TokenMap.
@param[in] TokenMap Pointer to the NET_MAP containing the tokens.
@param[in] Token Pointer to the Token to be removed.
@retval EFI_SUCCESS The specified Token is removed from the TokenMap.
@retval EFI_NOT_FOUND The specified Token is not found in the TokenMap.
**/
EFI_STATUS
Udp6RemoveToken (
IN NET_MAP *TokenMap,
IN EFI_UDP6_COMPLETION_TOKEN *Token
);
/**
This function is used to check whether the NewConfigData has any un-reconfigurable
parameters changed compared to the OldConfigData.
@param[in] OldConfigData Pointer to the current ConfigData the udp instance
uses.
@param[in] NewConfigData Pointer to the new ConfigData.
@retval TRUE The instance is reconfigurable according to NewConfigData.
@retval FALSE The instance is not reconfigurable according to NewConfigData.
**/
BOOLEAN
Udp6IsReconfigurable (
IN EFI_UDP6_CONFIG_DATA *OldConfigData,
IN EFI_UDP6_CONFIG_DATA *NewConfigData
);
/**
This function removes the multicast group specified by Arg from 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 Arg. It is the pointer to a
multicast IPv6 Address. This parameter is
optional and may be NULL.
@retval EFI_SUCCESS The multicast address is removed.
@retval EFI_ABORTED The specified multicast address is removed, and the
Arg is not NULL.
**/
EFI_STATUS
EFIAPI
Udp6LeaveGroup (
IN NET_MAP *Map,
IN NET_MAP_ITEM *Item,
IN VOID *Arg OPTIONAL
);
/**
This function validates the TxToken, it returns the error code according to the spec.
@param[in] Instance Pointer to the udp instance context data.
@param[in] TxToken Pointer to the token to be checked.
@retval EFI_SUCCESS The TxToken is valid.
@retval EFI_INVALID_PARAMETER One or more of the following are TRUE:
Token.Event is NULL.
Token.Packet.TxData is NULL.
Token.Packet.TxData.FragmentCount is zero.
Token.Packet.TxData.DataLength is not equal to the
sum of fragment lengths.
One or more of the
Token.Packet.TxData.FragmentTable[].FragmentLength
fields is zero.
One or more of the
Token.Packet.TxData.FragmentTable[].FragmentBuffer
fields is NULL.
UdpSessionData.DestinationAddress are not valid
unicast IPv6 addresses if the UdpSessionData is
not NULL.
UdpSessionData.DestinationPort and
ConfigData.RemotePort are all zero if the
UdpSessionData is not NULL.
@retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP
packet size.
**/
EFI_STATUS
Udp6ValidateTxToken (
IN UDP6_INSTANCE_DATA *Instance,
IN EFI_UDP6_COMPLETION_TOKEN *TxToken
);
/**
This function is a dummy ext-free function for the NET_BUF created for the output
udp datagram.
@param[in] Context Pointer to the context data.
**/
VOID
EFIAPI
Udp6NetVectorExtFree (
IN VOID *Context
);
/**
This function calculates the checksum for the Packet, utilizing the pre-calculated
pseudo header to reduce overhead.
@param[in] Packet Pointer to the NET_BUF contains the udp datagram.
@param[in] HeadSum Checksum of the pseudo header execpt the length
field.
@return The 16-bit checksum of this udp datagram.
**/
UINT16
Udp6Checksum (
IN NET_BUF *Packet,
IN UINT16 HeadSum
);
/**
This function delivers the received datagrams to the specified instance.
@param[in] Instance Pointer to the instance context data.
**/
VOID
Udp6InstanceDeliverDgram (
IN UDP6_INSTANCE_DATA *Instance
);
/**
Cancel Udp6 tokens from the Udp6 instance.
@param[in] Instance Pointer to the udp 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
Udp6InstanceCancelToken (
IN UDP6_INSTANCE_DATA *Instance,
IN EFI_UDP6_COMPLETION_TOKEN *Token OPTIONAL
);
/**
This function removes all the Wrap datas in the RcvdDgramQue.
@param[in] Instance Pointer to the Udp6 Instance.
**/
VOID
Udp6FlushRcvdDgram (
IN UDP6_INSTANCE_DATA *Instance
);
#endif