NetworkPkg/Udp6Dxe/Udp6Impl.c File Reference


Functions

VOID EFIAPI Udp6CheckTimeout (IN EFI_EVENT Event, IN VOID *Context)
BOOLEAN Udp6FindInstanceByPort (IN LIST_ENTRY *InstanceList, IN EFI_IPv6_ADDRESS *Address, IN UINT16 Port)
VOID EFIAPI Udp6DgramSent (IN EFI_STATUS Status, IN VOID *Context, IN IP_IO_IP_PROTOCOL Sender, IN VOID *NotifyData)
VOID EFIAPI Udp6DgramRcvd (IN EFI_STATUS Status, IN UINT8 IcmpError, IN EFI_NET_SESSION_DATA *NetSession, IN NET_BUF *Packet, IN VOID *Context)
EFI_STATUS EFIAPI Udp6CancelTokens (IN NET_MAP *Map, IN NET_MAP_ITEM *Item, IN VOID *Arg)
BOOLEAN Udp6MatchDgram (IN UDP6_INSTANCE_DATA *Instance, IN EFI_UDP6_SESSION_DATA *Udp6Session)
VOID EFIAPI Udp6RecycleRxDataWrap (IN EFI_EVENT Event, IN VOID *Context)
UDP6_RXDATA_WRAPUdp6WrapRxData (IN UDP6_INSTANCE_DATA *Instance, IN NET_BUF *Packet, IN EFI_UDP6_RECEIVE_DATA *RxData)
UINTN Udp6EnqueueDgram (IN UDP6_SERVICE_DATA *Udp6Service, IN NET_BUF *Packet, IN EFI_UDP6_RECEIVE_DATA *RxData)
VOID Udp6DeliverDgram (IN UDP6_SERVICE_DATA *Udp6Service)
VOID Udp6Demultiplex (IN UDP6_SERVICE_DATA *Udp6Service, IN EFI_NET_SESSION_DATA *NetSession, IN NET_BUF *Packet)
VOID Udp6IcmpHandler (IN UDP6_SERVICE_DATA *Udp6Service, IN UINT8 IcmpError, IN EFI_NET_SESSION_DATA *NetSession, IN OUT NET_BUF *Packet)
VOID Udp6SendPortUnreach (IN IP_IO *IpIo, IN EFI_NET_SESSION_DATA *NetSession, IN VOID *Udp6Header)
NET_MAP_ITEM * Udp6MapMultiCastAddr (IN NET_MAP *Map, IN VOID *Key)
EFI_STATUS Udp6CreateService (IN UDP6_SERVICE_DATA *Udp6Service, IN EFI_HANDLE ImageHandle, IN EFI_HANDLE ControllerHandle)
VOID Udp6CleanService (IN OUT UDP6_SERVICE_DATA *Udp6Service)
VOID Udp6InitInstance (IN UDP6_SERVICE_DATA *Udp6Service, IN OUT UDP6_INSTANCE_DATA *Instance)
VOID Udp6CleanInstance (IN OUT UDP6_INSTANCE_DATA *Instance)
EFI_STATUS Udp6Bind (IN LIST_ENTRY *InstanceList, IN EFI_UDP6_CONFIG_DATA *ConfigData)
BOOLEAN Udp6IsReconfigurable (IN EFI_UDP6_CONFIG_DATA *OldConfigData, IN EFI_UDP6_CONFIG_DATA *NewConfigData)
VOID Udp6BuildIp6ConfigData (IN EFI_UDP6_CONFIG_DATA *Udp6ConfigData, IN OUT EFI_IP6_CONFIG_DATA *Ip6ConfigData)
EFI_STATUS Udp6ValidateTxToken (IN UDP6_INSTANCE_DATA *Instance, IN EFI_UDP6_COMPLETION_TOKEN *TxToken)
EFI_STATUS EFIAPI Udp6TokenExist (IN NET_MAP *Map, IN NET_MAP_ITEM *Item, IN VOID *Context)
UINT16 Udp6Checksum (IN NET_BUF *Packet, IN UINT16 HeadSum)
EFI_STATUS Udp6RemoveToken (IN NET_MAP *TokenMap, IN EFI_UDP6_COMPLETION_TOKEN *Token)
EFI_STATUS EFIAPI Udp6LeaveGroup (IN NET_MAP *Map, IN NET_MAP_ITEM *Item, IN VOID *Arg)
VOID Udp6FlushRcvdDgram (IN UDP6_INSTANCE_DATA *Instance)
EFI_STATUS Udp6InstanceCancelToken (IN UDP6_INSTANCE_DATA *Instance, IN EFI_UDP6_COMPLETION_TOKEN *Token)
VOID Udp6InstanceDeliverDgram (IN UDP6_INSTANCE_DATA *Instance)
VOID Udp6ReportIcmpError (IN UDP6_INSTANCE_DATA *Instance)
VOID EFIAPI Udp6NetVectorExtFree (IN VOID *Context)

Variables

UINT16 mUdp6RandomPort

Detailed Description

Udp6 driver's whole implementation.

Copyright (c) 2009 - 2014, Intel Corporation. All rights reserved.

This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at http://opensource.org/licenses/bsd-license.php.

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.


Function Documentation

EFI_STATUS Udp6Bind ( IN LIST_ENTRY *  InstanceList,
IN EFI_UDP6_CONFIG_DATA *  ConfigData 
)

This function tries to bind the udp instance according to the configured port allocation stragety.

Parameters:
[in] InstanceList Pointer to the head of the list linking the udp instances.
[in] ConfigData Pointer to the ConfigData of the instance to be bound.
Return values:
EFI_SUCCESS The bound operation completed successfully.
EFI_ACCESS_DENIED The <Address, Port> specified by the ConfigData is already used by other instance.
EFI_OUT_OF_RESOURCES No available port resources.

References mUdp6RandomPort, UDP6_PORT_KNOWN, and Udp6FindInstanceByPort().

Referenced by Udp6Configure().

VOID Udp6BuildIp6ConfigData ( IN EFI_UDP6_CONFIG_DATA *  Udp6ConfigData,
IN OUT EFI_IP6_CONFIG_DATA *  Ip6ConfigData 
)

This function builds the Ip6 configdata from the Udp6ConfigData.

Parameters:
[in] Udp6ConfigData Pointer to the EFI_UDP6_CONFIG_DATA.
[in,out] Ip6ConfigData Pointer to the EFI_IP6_CONFIG_DATA.

Referenced by Udp6Configure().

EFI_STATUS EFIAPI Udp6CancelTokens ( IN NET_MAP *  Map,
IN NET_MAP_ITEM *  Item,
IN VOID *  Arg 
)

This function cancle the token specified by Arg in the Map.

Parameters:
[in] Map Pointer to the NET_MAP.
[in] Item Pointer to the NET_MAP_ITEM.
[in] Arg Pointer to the token to be cancelled, if NULL, all the tokens in this Map will be cancelled. This parameter is optional and may be NULL.
Return values:
EFI_SUCCESS The token is cancelled if Arg is NULL or the token is not the same as that in the Item if Arg is not NULL.
EFI_ABORTED Arg is not NULL, and the token specified by Arg is cancelled.
This function cancle the token specified by Arg in the Map.

Parameters:
[in] Map Pointer to the NET_MAP.
[in] Item Pointer to the NET_MAP_ITEM.
[in] Arg Pointer to the token to be cancelled. If NULL, all the tokens in this Map will be cancelled. This parameter is optional and may be NULL.
Return values:
EFI_SUCCESS The token is cancelled if Arg is NULL, or the token is not the same as that in the Item, if Arg is not NULL.
EFI_ABORTED Arg is not NULL, and the token specified by Arg is cancelled.

Referenced by Udp6InstanceCancelToken().

UINT16 Udp6Checksum ( IN NET_BUF *  Packet,
IN UINT16  HeadSum 
)

This function calculates the checksum for the Packet, utilizing the pre-calculated pseudo HeadSum to reduce some overhead.

Parameters:
[in] Packet Pointer to the NET_BUF contains the udp datagram.
[in] HeadSum Checksum of the pseudo header, execpt the length field.
Returns:
The 16-bit checksum of this udp datagram.

Referenced by Udp6Demultiplex(), and Udp6Transmit().

VOID EFIAPI Udp6CheckTimeout ( IN EFI_EVENT  Event,
IN VOID *  Context 
)

This function checks and timeouts the I/O datagrams holding by the corresponding service context.

Parameters:
[in] Event The event this function is registered to.
[in] Context The context data registered during the creation of the Event.
This function checks and times out the I/O datagrams listed in the UDP6_SERVICE_DATA which is specified by the input parameter Context.

Parameters:
[in] Event The event this function registered to.
[in] Context The context data registered during the creation of the Event.

References _UDP6_SERVICE_DATA::ChildrenList, _UDP6_INSTANCE_DATA::ConfigData, _UDP6_INSTANCE_DATA::Configured, _UDP6_INSTANCE_DATA::RcvdDgramQue, _UDP6_RXDATA_WRAP::TimeoutTick, UDP6_INSTANCE_DATA_SIGNATURE, UDP6_SERVICE_DATA_SIGNATURE, UDP6_TIMEOUT_INTERVAL, and Udp6RecycleRxDataWrap().

Referenced by Udp6CreateService().

VOID Udp6CleanInstance ( IN OUT UDP6_INSTANCE_DATA Instance  ) 

This function cleans the udp instance.

Parameters:
[in,out] Instance Pointer to the UDP6_INSTANCE_DATA to clean.

Referenced by Udp6ServiceBindingCreateChild(), and Udp6ServiceBindingDestroyChild().

VOID Udp6CleanService ( IN OUT UDP6_SERVICE_DATA Udp6Service  ) 

Clean the Udp service context data.

Parameters:
[in,out] Udp6Service Pointer to the UDP6_SERVICE_DATA.

Referenced by Udp6DriverBindingStart(), and Udp6DriverBindingStop().

EFI_STATUS Udp6CreateService ( IN UDP6_SERVICE_DATA Udp6Service,
IN EFI_HANDLE  ImageHandle,
IN EFI_HANDLE  ControllerHandle 
)

Create the Udp service context data.

Parameters:
[in] Udp6Service Pointer to the UDP6_SERVICE_DATA.
[in] ImageHandle The image handle of this udp6 driver.
[in] ControllerHandle The controller handle this udp6 driver binds on.
Return values:
EFI_SUCCESS The udp6 service context data was created and initialized.
EFI_OUT_OF_RESOURCES Cannot allocate memory.
Others An error condition occurred.

References mUdp6ServiceBinding, UDP6_SERVICE_DATA_SIGNATURE, UDP6_TIMEOUT_INTERVAL, Udp6CheckTimeout(), Udp6DgramRcvd(), and Udp6DgramSent().

Referenced by Udp6DriverBindingStart().

VOID Udp6DeliverDgram ( IN UDP6_SERVICE_DATA Udp6Service  ) 

This function delivers the datagrams enqueued in the instances.

Parameters:
[in] Udp6Service Pointer to the udp service context data.

References _UDP6_INSTANCE_DATA::Configured, and Udp6InstanceDeliverDgram().

Referenced by Udp6Demultiplex().

VOID Udp6Demultiplex ( IN UDP6_SERVICE_DATA Udp6Service,
IN EFI_NET_SESSION_DATA *  NetSession,
IN NET_BUF *  Packet 
)

This function demultiplexes the received udp datagram to the apropriate instances.

Parameters:
[in] Udp6Service Pointer to the udp service context data.
[in] NetSession Pointer to the EFI_NET_SESSION_DATA abstrated from the received datagram.
[in] Packet Pointer to the buffer containing the received udp datagram.
This function demultiplexes the received udp datagram to the appropriate instances.

Parameters:
[in] Udp6Service Pointer to the udp service context data.
[in] NetSession Pointer to the EFI_NET_SESSION_DATA abstrated from the received datagram.
[in] Packet Pointer to the buffer containing the received udp datagram.

References UDP6_HEADER_SIZE, Udp6Checksum(), Udp6DeliverDgram(), Udp6EnqueueDgram(), and Udp6SendPortUnreach().

Referenced by Udp6DgramRcvd().

VOID EFIAPI Udp6DgramRcvd ( IN EFI_STATUS  Status,
IN UINT8  IcmpError,
IN EFI_NET_SESSION_DATA *  NetSession,
IN NET_BUF *  Packet,
IN VOID *  Context 
)

This function processes the received datagram passed up by the IpIo layer.

Parameters:
[in] Status The status of this udp datagram.
[in] IcmpError The IcmpError code, only available when Status is EFI_ICMP_ERROR.
[in] NetSession Pointer to the EFI_NET_SESSION_DATA.
[in] Packet Pointer to the NET_BUF containing the received udp datagram.
[in] Context Pointer to the context data.

References Udp6Demultiplex(), and Udp6IcmpHandler().

Referenced by Udp6CreateService().

VOID EFIAPI Udp6DgramSent ( IN EFI_STATUS  Status,
IN VOID *  Context,
IN IP_IO_IP_PROTOCOL  Sender,
IN VOID *  NotifyData 
)

This function is the packet transmitting notify function registered to the IpIo interface. It's called to signal the udp TxToken when the IpIo layer completes transmitting of the udp datagram.

Parameters:
[in] Status The completion status of the output udp datagram.
[in] Context Pointer to the context data.
[in] Sender Specify a EFI_IP6_PROTOCOL for sending.
[in] NotifyData Pointer to the notify data.
This function is the packet transmitting notify function registered to the IpIo interface. It's called to signal the udp TxToken when IpIo layer completes the transmitting of the udp datagram.

Parameters:
[in] Status The completion status of the output udp datagram.
[in] Context Pointer to the context data.
[in] Sender Specify a EFI_IP6_PROTOCOL for sending.
[in] NotifyData Pointer to the notify data.

References _UDP6_INSTANCE_DATA::TxTokens, and Udp6RemoveToken().

Referenced by Udp6CreateService().

UINTN Udp6EnqueueDgram ( IN UDP6_SERVICE_DATA Udp6Service,
IN NET_BUF *  Packet,
IN EFI_UDP6_RECEIVE_DATA *  RxData 
)

This function enqueues the received datagram into the instances' receiving queues.

Parameters:
[in] Udp6Service Pointer to the udp service context data.
[in] Packet Pointer to the buffer containing the received datagram.
[in] RxData Pointer to the EFI_UDP6_RECEIVE_DATA of this datagram.
Returns:
The times this datagram is enqueued.

References _UDP6_INSTANCE_DATA::Configured, _UDP6_RXDATA_WRAP::Link, _UDP6_INSTANCE_DATA::RcvdDgramQue, Udp6MatchDgram(), and Udp6WrapRxData().

Referenced by Udp6Demultiplex().

BOOLEAN Udp6FindInstanceByPort ( IN LIST_ENTRY *  InstanceList,
IN EFI_IPv6_ADDRESS *  Address,
IN UINT16  Port 
)

This function finds the udp instance by the specified <Address, Port> pair.

Parameters:
[in] InstanceList Pointer to the head of the list linking the udp instances.
[in] Address Pointer to the specified IPv6 address.
[in] Port The udp port number.
Return values:
TRUE The specified <Address, Port> pair is found.
FALSE Otherwise.

References _UDP6_INSTANCE_DATA::ConfigData, and _UDP6_INSTANCE_DATA::Configured.

Referenced by Udp6Bind().

VOID Udp6FlushRcvdDgram ( IN UDP6_INSTANCE_DATA Instance  ) 

This function removes all the Wrap datas in the RcvdDgramQue.

Parameters:
[in] Instance Pointer to the Udp6 Instance.

References Udp6RecycleRxDataWrap().

Referenced by Udp6Configure().

VOID Udp6IcmpHandler ( IN UDP6_SERVICE_DATA Udp6Service,
IN UINT8  IcmpError,
IN EFI_NET_SESSION_DATA *  NetSession,
IN OUT NET_BUF *  Packet 
)

This function handles the received Icmp Error message and demultiplexes it to the instance.

Parameters:
[in] Udp6Service Pointer to the udp service context data.
[in] IcmpError The icmp error code.
[in] NetSession Pointer to the EFI_NET_SESSION_DATA abstracted from the received Icmp Error packet.
[in,out] Packet Pointer to the Icmp Error packet.
This function handles the received Icmp Error message and de-multiplexes it to the instance.

Parameters:
[in] Udp6Service Pointer to the udp service context data.
[in] IcmpError The icmp error code.
[in] NetSession Pointer to the EFI_NET_SESSION_DATA abstracted from the received Icmp Error packet.
[in,out] Packet Pointer to the Icmp Error packet.

References _UDP6_INSTANCE_DATA::Configured, _UDP6_INSTANCE_DATA::IcmpError, Udp6MatchDgram(), and Udp6ReportIcmpError().

Referenced by Udp6DgramRcvd().

VOID Udp6InitInstance ( IN UDP6_SERVICE_DATA Udp6Service,
IN OUT UDP6_INSTANCE_DATA Instance 
)

This function intializes the new created udp instance.

Parameters:
[in] Udp6Service Pointer to the UDP6_SERVICE_DATA.
[in,out] Instance Pointer to the un-initialized UDP6_INSTANCE_DATA.

References mUdp6Protocol, and UDP6_INSTANCE_DATA_SIGNATURE.

Referenced by Udp6ServiceBindingCreateChild().

EFI_STATUS Udp6InstanceCancelToken ( IN UDP6_INSTANCE_DATA Instance,
IN EFI_UDP6_COMPLETION_TOKEN *  Token 
)

Cancel Udp6 tokens from the Udp6 instance.

Parameters:
[in] Instance Pointer to the udp instance context data.
[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.
Return values:
EFI_SUCCESS The Token is cancelled.
EFI_NOT_FOUND The Token is not found.

References Udp6CancelTokens().

Referenced by Udp6Cancel().

VOID Udp6InstanceDeliverDgram ( IN UDP6_INSTANCE_DATA Instance  ) 

This function delivers the received datagrams to the specified instance.

Parameters:
[in] Instance Pointer to the instance context data.

References _UDP6_RXDATA_WRAP::Link, _UDP6_RXDATA_WRAP::Packet, and _UDP6_RXDATA_WRAP::RxData.

Referenced by Udp6DeliverDgram(), and Udp6Receive().

BOOLEAN Udp6IsReconfigurable ( IN EFI_UDP6_CONFIG_DATA *  OldConfigData,
IN EFI_UDP6_CONFIG_DATA *  NewConfigData 
)

This function is used to check whether the NewConfigData has any un-reconfigurable parameters changed compared to the OldConfigData.

Parameters:
[in] OldConfigData Pointer to the current ConfigData the udp instance uses.
[in] NewConfigData Pointer to the new ConfigData.
Return values:
TRUE The instance is reconfigurable according to the NewConfigData.
FALSE Otherwise.

Referenced by Udp6Configure().

EFI_STATUS EFIAPI Udp6LeaveGroup ( IN NET_MAP *  Map,
IN NET_MAP_ITEM *  Item,
IN VOID *  Arg 
)

This function removes the multicast group specified by Arg from the Map.

Parameters:
[in] Map Pointer to the NET_MAP.
[in] Item Pointer to the NET_MAP_ITEM.
[in] Arg Pointer to the Arg, it's the pointer to a multicast IPv6 Address. This parameter is optional and may be NULL.
Return values:
EFI_SUCCESS The multicast address is removed.
EFI_ABORTED The specified multicast address is removed, and the Arg is not NULL.

Referenced by Udp6Groups().

NET_MAP_ITEM * Udp6MapMultiCastAddr ( IN NET_MAP *  Map,
IN VOID *  Key 
)

Find the key in the netmap

Parameters:
[in] Map The netmap to search within.
[in] Key The key to search.
Returns:
The point to the item contains the Key, or NULL if Key isn't in the map.
Find the key in the netmap.

Parameters:
[in] Map The netmap to search within.
[in] Key The key to search.
Returns:
The point to the item contains the Key, or NULL, if Key isn't in the map.

Referenced by Udp6MatchDgram().

BOOLEAN Udp6MatchDgram ( IN UDP6_INSTANCE_DATA Instance,
IN EFI_UDP6_SESSION_DATA *  Udp6Session 
)

This function check if the received udp datagram matches with the Instance.

Parameters:
[in] Instance Pointer to the udp instance context data.
[in] Udp6Session Pointer to the EFI_UDP6_SESSION_DATA abstracted from the received udp datagram.
Return values:
TRUE The udp datagram matches the receiving requirements of the Instance.
FALSE The udp datagram doe not match the receiving requirements of the Instance.
This function checks if the received udp datagram matches with the Instance.

Parameters:
[in] Instance Pointer to the udp instance context data.
[in] Udp6Session Pointer to the EFI_UDP6_SESSION_DATA abstracted from the received udp datagram.
Return values:
TRUE The udp datagram matches the receiving requirements of the Instance.
FALSE The udp datagram does not matche the receiving requirements of the Instance.

References Udp6MapMultiCastAddr().

Referenced by Udp6EnqueueDgram(), and Udp6IcmpHandler().

VOID EFIAPI Udp6NetVectorExtFree ( IN VOID *  Context  ) 

This function is a dummy ext-free function for the NET_BUF created for the output udp datagram.

Parameters:
[in] Context Pointer to the context data.

Referenced by Udp6Transmit().

VOID EFIAPI Udp6RecycleRxDataWrap ( IN EFI_EVENT  Event,
IN VOID *  Context 
)

This function removes the Wrap specified by Context and releases relevant resources.

Parameters:
[in] Event The Event this notify function is registered to.
[in] Context Pointer to the context data.
This function removes the Wrap specified by Context and release relevant resources.

Parameters:
[in] Event The Event this notify function registered to.
[in] Context Pointer to the context data.

References _UDP6_RXDATA_WRAP::Link, _UDP6_RXDATA_WRAP::Packet, and _UDP6_RXDATA_WRAP::RxData.

Referenced by Udp6CheckTimeout(), Udp6FlushRcvdDgram(), and Udp6WrapRxData().

EFI_STATUS Udp6RemoveToken ( IN NET_MAP *  TokenMap,
IN EFI_UDP6_COMPLETION_TOKEN *  Token 
)

This function removes the specified Token from the TokenMap.

Parameters:
[in] TokenMap Pointer to the NET_MAP containing the tokens.
[in] Token Pointer to the Token to be removed.
Return values:
EFI_SUCCESS The specified Token is removed from the TokenMap.
EFI_NOT_FOUND The specified Token is not found in the TokenMap.

Referenced by Udp6DgramSent(), and Udp6Transmit().

VOID Udp6ReportIcmpError ( IN UDP6_INSTANCE_DATA Instance  ) 

This function reports the received ICMP error.

Parameters:
[in] Instance Pointer to the udp instance context data.

Referenced by Udp6IcmpHandler(), and Udp6Receive().

VOID Udp6SendPortUnreach ( IN IP_IO *  IpIo,
IN EFI_NET_SESSION_DATA *  NetSession,
IN VOID *  Udp6Header 
)

This function builds and sends out a icmp port unreachable message.

Parameters:
[in] IpIo Pointer to the IP_IO instance.
[in] NetSession Pointer to the EFI_NET_SESSION_DATA of the packet causes this icmp error message.
[in] Udp6Header Pointer to the udp header of the datagram causes this icmp error message.

Referenced by Udp6Demultiplex().

EFI_STATUS EFIAPI Udp6TokenExist ( IN NET_MAP *  Map,
IN NET_MAP_ITEM *  Item,
IN VOID *  Context 
)

This function checks whether the specified Token duplicates the one in the Map.

Parameters:
[in] Map Pointer to the NET_MAP.
[in] Item Pointer to the NET_MAP_ITEM contain the pointer to the Token.
[in] Context Pointer to the Token to be checked.
Return values:
EFI_SUCCESS The Token specified by Context differs from the one in the Item.
EFI_ACCESS_DENIED The Token duplicates with the one in the Item.

Referenced by Udp6Receive(), and Udp6Transmit().

EFI_STATUS Udp6ValidateTxToken ( IN UDP6_INSTANCE_DATA Instance,
IN EFI_UDP6_COMPLETION_TOKEN *  TxToken 
)

This function validates the TxToken. It returns the error code according to the spec.

Parameters:
[in] Instance Pointer to the udp instance context data.
[in] TxToken Pointer to the token to be checked.
Return values:
EFI_SUCCESS The TxToken is valid.
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.
EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP packet size.

References UDP6_MAX_DATA_SIZE.

Referenced by Udp6Transmit().

UDP6_RXDATA_WRAP * Udp6WrapRxData ( IN UDP6_INSTANCE_DATA Instance,
IN NET_BUF *  Packet,
IN EFI_UDP6_RECEIVE_DATA *  RxData 
)

This function wraps the Packet into RxData.

Parameters:
[in] Instance Pointer to the instance context data.
[in] Packet Pointer to the buffer containing the received datagram.
[in] RxData Pointer to the EFI_UDP6_RECEIVE_DATA of this datagram.
Returns:
Pointer to the structure wrapping the RxData and the Packet.

References _UDP6_RXDATA_WRAP::Link, _UDP6_RXDATA_WRAP::Packet, _UDP6_RXDATA_WRAP::RxData, _UDP6_RXDATA_WRAP::TimeoutTick, and Udp6RecycleRxDataWrap().

Referenced by Udp6EnqueueDgram().


Variable Documentation

Referenced by Udp6Bind(), and Udp6DriverEntryPoint().


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