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- /** @file
- Udp6 driver's whole implementation and internal data structures.
- Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
- **/
- #ifndef _UDP6_IMPL_H_
- #define _UDP6_IMPL_H_
- #include <Uefi.h>
- #include <Protocol/Ip6.h>
- #include <Protocol/Udp6.h>
- #include <Library/IpIoLib.h>
- #include <Library/DebugLib.h>
- #include <Library/UefiRuntimeServicesTableLib.h>
- #include <Library/UefiBootServicesTableLib.h>
- #include <Library/BaseLib.h>
- #include <Library/UefiLib.h>
- #include <Library/BaseMemoryLib.h>
- #include <Library/MemoryAllocationLib.h>
- #include <Library/DpcLib.h>
- #include <Library/PrintLib.h>
- #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 <Address, Port> 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
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