synced function header

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6608 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jgong5 2008-11-18 13:37:36 +00:00
parent 05975035a2
commit ce904bae52
3 changed files with 692 additions and 14 deletions

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@ -27,6 +27,24 @@ Abstract:
#include <Protocol/DriverBinding.h>
#include <Protocol/ServiceBinding.h>
/**
Test to see if this driver supports ControllerHandle. This service
is called by the EFI boot service ConnectController(). In
order to make drivers as small as possible, there are a few calling
restrictions for this service. ConnectController() must
follow these calling restrictions. If any other agent wishes to call
Supported() it must also follow these calling restrictions.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to test
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS This driver supports this device
@retval EFI_ALREADY_STARTED This driver is already running on this device
@retval other This driver does not support this device
**/
EFI_STATUS
EFIAPI
Udp4DriverBindingSupported (
@ -35,6 +53,24 @@ Udp4DriverBindingSupported (
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
);
/**
Start this driver on ControllerHandle. This service is called by the
EFI boot service ConnectController(). In order to make
drivers as small as possible, there are a few calling restrictions for
this service. ConnectController() must follow these
calling restrictions. If any other agent wishes to call Start() it
must also follow these calling restrictions.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to bind driver to
@param RemainingDevicePath Optional parameter use to pick a specific child
device to start.
@retval EFI_SUCCESS This driver is added to ControllerHandle
@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
@retval other This driver does not support this device
**/
EFI_STATUS
EFIAPI
Udp4DriverBindingStart (
@ -43,6 +79,24 @@ Udp4DriverBindingStart (
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
);
/**
Stop this driver on ControllerHandle. This service is called by the
EFI boot service DisconnectController(). In order to
make drivers as small as possible, there are a few calling
restrictions for this service. DisconnectController()
must follow these calling restrictions. If any other agent wishes
to call Stop() it must also follow these calling restrictions.
@param This Protocol instance pointer.
@param ControllerHandle Handle of device to stop driver on
@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
children is zero stop the entire bus driver.
@param ChildHandleBuffer List of Child Handles to Stop.
@retval EFI_SUCCESS This driver is removed ControllerHandle
@retval other This driver was not removed from this device
**/
EFI_STATUS
EFIAPI
Udp4DriverBindingStop (
@ -52,6 +106,21 @@ Udp4DriverBindingStop (
IN EFI_HANDLE *ChildHandleBuffer
);
/**
Creates a child handle with a set of I/O services.
@param This Protocol instance pointer.
@param ChildHandle Pointer to the handle of the child to create. If it is NULL,
then a new handle is created. If it is not NULL, then the
I/O services are added to the existing child handle.
@retval EFI_SUCCES The child handle was created with the I/O services
@retval EFI_INVALID_PARAMETER ChildHandle is NULL.
@retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create
the child
@retval other The child handle was not created
**/
EFI_STATUS
EFIAPI
Udp4ServiceBindingCreateChild (
@ -59,6 +128,21 @@ Udp4ServiceBindingCreateChild (
IN EFI_HANDLE *ChildHandle
);
/**
Destroys a child handle with a set of I/O services.
@param This Protocol instance pointer.
@param ChildHandle Handle of the child to destroy
@retval EFI_SUCCES The I/O services were removed from the child handle
@retval EFI_UNSUPPORTED The child handle does not support the I/O services
that are being removed.
@retval EFI_INVALID_PARAMETER Child handle is not a valid EFI Handle.
@retval EFI_ACCESS_DENIED The child handle could not be destroyed because its
I/O services are being used.
@retval other The child handle was not destroyed
**/
EFI_STATUS
EFIAPI
Udp4ServiceBindingDestroyChild (

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@ -25,6 +25,17 @@ Abstract:
UINT16 mUdp4RandomPort;
/**
This function checks and timeouts the I/O datagrams holding by the corresponding
service context.
@param Event The event this function registered to.
@param Context The context data registered during the creation of
the Event.
@return None.
**/
VOID
EFIAPI
Udp4CheckTimeout (
@ -32,6 +43,18 @@ Udp4CheckTimeout (
IN VOID *Context
);
/**
This function finds the udp instance by the specified <Address, Port> pair.
@param InstanceList Pointer to the head of the list linking the udp
instances.
@param Address Pointer to the specified IPv4 address.
@param Port The udp port number.
@retval TRUE The specified <Address, Port> pair is found.
@retval FALSE Otherwise.
**/
BOOLEAN
Udp4FindInstanceByPort (
IN LIST_ENTRY *InstanceList,
@ -39,6 +62,19 @@ Udp4FindInstanceByPort (
IN UINT16 Port
);
/**
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.
@param Status The completion status of the output udp datagram.
@param Context Pointer to the context data.
@param Sender Pointer to the Ip sender of the udp datagram.
@param NotifyData Pointer to the notify data.
@return None.
**/
VOID
Udp4DgramSent (
IN EFI_STATUS Status,
@ -47,6 +83,20 @@ Udp4DgramSent (
IN VOID *NotifyData
);
/**
This function processes the received datagram passed up by the IpIo layer.
@param Status The status of this udp datagram.
@param IcmpError The IcmpError code, only available when Status is
EFI_ICMP_ERROR.
@param NetSession Pointer to the EFI_NET_SESSION_DATA.
@param Packet Pointer to the NET_BUF containing the received udp
datagram.
@param Context Pointer to the context data.
@return None.
**/
VOID
Udp4DgramRcvd (
IN EFI_STATUS Status,
@ -56,6 +106,22 @@ Udp4DgramRcvd (
IN VOID *Context
);
/**
This function cancels the token specified by Arg in the Map. This is a callback
used by Udp4InstanceCancelToken().
@param Map Pointer to the NET_MAP.
@param Item Pointer to the NET_MAP_ITEM.
@param Arg Pointer to the token to be cancelled, if NULL,
the token specified by Item is cancelled.
@retval 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.
@retval EFI_ABORTED Arg is not NULL, and the token specified by Arg is
cancelled.
**/
EFI_STATUS
Udp4CancelTokens (
IN NET_MAP *Map,
@ -63,12 +129,33 @@ Udp4CancelTokens (
IN VOID *Arg OPTIONAL
);
/**
This function matches the received udp datagram with the Instance.
@param Instance Pointer to the udp instance context data.
@param Udp4Session Pointer to the EFI_UDP4_SESSION_DATA abstracted
from the received udp datagram.
@retval TRUE The udp datagram matches the receiving requirments of the
udp Instance.
@retval FALSE Otherwise.
**/
BOOLEAN
Udp4MatchDgram (
IN UDP4_INSTANCE_DATA *Instance,
IN EFI_UDP4_SESSION_DATA *Udp4Session
);
/**
This function removes the Wrap specified by Context and release relevant resources.
@param Event The Event this notify function registered to.
@param Context Pointer to the context data.
@return None.
**/
VOID
EFIAPI
Udp4RecycleRxDataWrap (
@ -76,6 +163,18 @@ Udp4RecycleRxDataWrap (
IN VOID *Context
);
/**
This function wraps the Packet and the RxData.
@param Instance Pointer to the instance context data.
@param Packet Pointer to the buffer containing the received
datagram.
@param RxData Pointer to the EFI_UDP4_RECEIVE_DATA of this
datagram.
@return Pointer to the structure wrapping the RxData and the Packet.
**/
UDP4_RXDATA_WRAP *
Udp4WrapRxData (
IN UDP4_INSTANCE_DATA *Instance,
@ -83,6 +182,18 @@ Udp4WrapRxData (
IN EFI_UDP4_RECEIVE_DATA *RxData
);
/**
This function enqueues the received datagram into the instances' receiving queues.
@param Udp4Service Pointer to the udp service context data.
@param Packet Pointer to the buffer containing the received
datagram.
@param RxData Pointer to the EFI_UDP4_RECEIVE_DATA of this
datagram.
@return The times this datagram is enqueued.
**/
UINTN
Udp4EnqueueDgram (
IN UDP4_SERVICE_DATA *Udp4Service,
@ -90,11 +201,31 @@ Udp4EnqueueDgram (
IN EFI_UDP4_RECEIVE_DATA *RxData
);
/**
This function delivers the datagrams enqueued in the instances.
@param Udp4Service Pointer to the udp service context data.
@return None.
**/
VOID
Udp4DeliverDgram (
IN UDP4_SERVICE_DATA *Udp4Service
);
/**
This function demultiplexes the received udp datagram to the apropriate instances.
@param Udp4Service Pointer to the udp service context data.
@param NetSession Pointer to the EFI_NET_SESSION_DATA abstrated from
the received datagram.
@param Packet Pointer to the buffer containing the received udp
datagram.
@return None.
**/
VOID
Udp4Demultiplex (
IN UDP4_SERVICE_DATA *Udp4Service,
@ -102,6 +233,19 @@ Udp4Demultiplex (
IN NET_BUF *Packet
);
/**
This function handles the received Icmp Error message and demultiplexes it to the
instance.
@param Udp4Service Pointer to the udp service context data.
@param IcmpError The icmp error code.
@param NetSession Pointer to the EFI_NET_SESSION_DATA abstracted
from the received Icmp Error packet.
@param Packet Pointer to the Icmp Error packet.
@return None.
**/
VOID
Udp4IcmpHandler (
IN UDP4_SERVICE_DATA *Udp4Service,
@ -110,6 +254,18 @@ Udp4IcmpHandler (
IN NET_BUF *Packet
);
/**
This function builds and sends out a icmp port unreachable message.
@param IpIo Pointer to the IP_IO instance.
@param NetSession Pointer to the EFI_NET_SESSION_DATA of the packet
causes this icmp error message.
@param Udp4Header Pointer to the udp header of the datagram causes
this icmp error message.
@return None.
**/
VOID
Udp4SendPortUnreach (
IN IP_IO *IpIo,

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@ -125,6 +125,26 @@ typedef struct _UDP4_RXDATA_WRAP_ {
EFI_UDP4_RECEIVE_DATA RxData;
} UDP4_RXDATA_WRAP;
/**
Reads the current operational settings.
The GetModeData() function copies the current operational settings of this EFI
UDPv4 Protocol instance into user-supplied buffers. This function is used
optionally to retrieve the operational mode data of underlying networks or
drivers.
@param This Pointer to the EFI_UDP4_PROTOCOL instance.
@param Udp4ConfigData Pointer to the buffer to receive the current configuration data.
@param Ip4ModeData Pointer to the EFI IPv4 Protocol mode data structure.
@param MnpConfigData Pointer to the managed network configuration data structure.
@param SnpModeData Pointer to the simple network mode data structure.
@retval EFI_SUCCESS The mode data was read.
@retval EFI_NOT_STARTED When Udp4ConfigData is queried, no configuration data is
available because this instance has not been started.
@retval EFI_INVALID_PARAMETER This is NULL.
**/
EFI_STATUS
EFIAPI
Udp4GetModeData (
@ -135,6 +155,39 @@ Udp4GetModeData (
OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL
);
/**
Initializes, changes, or resets the operational parameters for this instance of the EFI UDPv4
Protocol.
The Configure() function is used to do the following:
* Initialize and start this instance of the EFI UDPv4 Protocol.
* Change the filtering rules and operational parameters.
* Reset this instance of the EFI UDPv4 Protocol.
Until these parameters are initialized, no network traffic can be sent or
received by this instance. This instance can be also reset by calling Configure()
with UdpConfigData set to NULL. Once reset, the receiving queue and transmitting
queue are flushed and no traffic is allowed through this instance.
With different parameters in UdpConfigData, Configure() can be used to bind
this instance to specified port.
@param This Pointer to the EFI_UDP4_PROTOCOL instance.
@param UdpConfigData Pointer to the buffer to receive the current configuration data.
@retval EFI_SUCCESS The configuration settings were set, changed, or reset successfully.
@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 following conditions are TRUE:
@retval EFI_ALREADY_STARTED The EFI UDPv4 Protocol instance is already started/configured
and must be stopped/reset before it can be reconfigured.
@retval EFI_ACCESS_DENIED UdpConfigData. AllowDuplicatePort is FALSE
and UdpConfigData.StationPort is already used by
other instance.
@retval EFI_OUT_OF_RESOURCES The EFI UDPv4 Protocol driver cannot allocate memory for this
EFI UDPv4 Protocol instance.
@retval EFI_DEVICE_ERROR An unexpected network or system error occurred and this instance
was not opened.
**/
EFI_STATUS
EFIAPI
Udp4Configure (
@ -142,6 +195,35 @@ Udp4Configure (
IN EFI_UDP4_CONFIG_DATA *UdpConfigData OPTIONAL
);
/**
Joins and leaves multicast groups.
The Groups() function is used to enable and disable the multicast group
filtering. If the JoinFlag is FALSE and the MulticastAddress is NULL, then all
currently joined groups are left.
@param This Pointer to the EFI_UDP4_PROTOCOL instance.
@param JoinFlag Set to TRUE to join a multicast group. Set to FALSE to leave one
or all multicast groups.
@param MulticastAddress Pointer to multicast group address to join or leave.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_NOT_STARTED The EFI UDPv4 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_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
Udp4Groups (
@ -150,6 +232,44 @@ Udp4Groups (
IN EFI_IPv4_ADDRESS *MulticastAddress OPTIONAL
);
/**
Adds and deletes routing table entries.
The Routes() function adds a route to or deletes a route from the routing table.
Routes are determined by comparing the SubnetAddress with the destination IP
address and arithmetically AND-ing it with the SubnetMask. The gateway address
must be on the same subnet as the configured station address.
The default route is added with SubnetAddress and SubnetMask both set to 0.0.0.0.
The default route matches all destination IP addresses that do not match any
other routes.
A zero GatewayAddress is a nonroute. Packets are sent to the destination IP
address if it can be found in the Address Resolution Protocol (ARP) cache or
on the local subnet. One automatic nonroute entry will be inserted into the
routing table for outgoing packets that are addressed to a local subnet
(gateway address of 0.0.0.0).
Each instance of the EFI UDPv4 Protocol has its own independent routing table.
Instances of the EFI UDPv4 Protocol that use the default IP address will also
have copies of the routing table provided by the EFI_IP4_CONFIG_PROTOCOL. These
copies will be updated automatically whenever the IP driver reconfigures its
instances; as a result, the previous modification to these copies will be lost.
@param This Pointer to the EFI_UDP4_PROTOCOL instance.
@param DeleteRoute Set to TRUE to delete this route from the routing table.
Set to FALSE to add this route to the routing table.
@param SubnetAddress The destination network address that needs to be routed.
@param SubnetMask The subnet mask of SubnetAddress.
@param GatewayAddress The gateway IP address for this route.
@retval EFI_SUCCESS The operation completed successfully.
@retval EFI_NOT_STARTED The EFI UDPv4 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 parameters are invalid.
@retval EFI_OUT_OF_RESOURCES Could not add the entry to the routing table.
@retval EFI_NOT_FOUND This route is not in the routing table.
@retval EFI_ACCESS_DENIED The route is already defined in the routing table.
**/
EFI_STATUS
EFIAPI
Udp4Routes (
@ -160,6 +280,36 @@ Udp4Routes (
IN EFI_IPv4_ADDRESS *GatewayAddress
);
/**
Queues outgoing data packets into the transmit queue.
The Transmit() function places a sending request to this instance of the EFI
UDPv4 Protocol, alongside the transmit data that was filled by the user. Whenever
the packet in the token is sent out or some errors occur, the Token.Event will
be signaled and Token.Status is updated. Providing a proper notification function
and context for the event will enable the user to receive the notification and
transmitting status.
@param This Pointer to the EFI_UDP4_PROTOCOL instance.
@param 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 UDPv4 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 parameters are invalid.
@retval EFI_ACCESS_DENIED The transmit completion token with the same
Token.Event was 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
Udp4Transmit (
@ -167,6 +317,35 @@ Udp4Transmit (
IN EFI_UDP4_COMPLETION_TOKEN *Token
);
/**
Places an asynchronous receive request into the receiving queue.
The Receive() function places a completion token into the receive packet queue.
This function is always asynchronous.
The caller must fill in the Token.Event field in the completion token, and this
field cannot be NULL. When the receive operation completes, the EFI UDPv4 Protocol
driver updates the Token.Status and Token.Packet.RxData fields and the Token.Event
is signaled. Providing a proper notification function and context for the event
will enable the user to receive the notification and receiving status. That
notification function is guaranteed to not be re-entered.
@param This Pointer to the EFI_UDP4_PROTOCOL instance.
@param Token Pointer to a token that is associated with the receive data
descriptor.
@retval EFI_SUCCESS The receive completion token was cached.
@retval EFI_NOT_STARTED This EFI UDPv4 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:
@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.
@retval EFI_ACCESS_DENIED A receive completion token with the same Token.Event was 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
Udp4Receive (
@ -174,6 +353,34 @@ Udp4Receive (
IN EFI_UDP4_COMPLETION_TOKEN *Token
);
/**
Aborts an asynchronous transmit or receive request.
The Cancel() function is used to abort a pending transmit or receive request.
If the token is in the transmit or receive request queues, after calling this
function, Token.Status will be set to EFI_ABORTED and then Token.Event will be
signaled. If the token is not in one of the queues, which usually means that
the asynchronous operation has completed, this function will not signal the
token and EFI_NOT_FOUND is returned.
@param This Pointer to the EFI_UDP4_PROTOCOL instance.
@param Token Pointer to a token that has been issued by
EFI_UDP4_PROTOCOL.Transmit() or
EFI_UDP4_PROTOCOL.Receive().If NULL, all pending
tokens are aborted.
@retval EFI_SUCCESS The asynchronous I/O request was aborted and Token.Event
was 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 was
not found in the transmit or receive queue. It has either completed
or was not issued by Transmit() and Receive().
**/
EFI_STATUS
EFIAPI
Udp4Cancel (
@ -181,59 +388,193 @@ Udp4Cancel (
IN EFI_UDP4_COMPLETION_TOKEN *Token OPTIONAL
);
/**
Polls for incoming data packets and processes outgoing data packets.
The Poll() 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 and receive queues.
In some systems, the periodic timer event in the managed network driver may not
poll the underlying communications device fast enough to transmit and/or receive
all data packets without missing incoming packets or dropping outgoing packets.
Drivers and applications that are experiencing packet loss should try calling
the Poll() function more often.
@param This Pointer to the EFI_UDP4_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
Udp4Poll (
IN EFI_UDP4_PROTOCOL *This
);
/**
Create the Udp service context data.
@param Udp4Service Pointer to the UDP4_SERVICE_DATA.
@param ImageHandle The image handle of this udp4 driver.
@param ControllerHandle The controller handle this udp4 driver binds on.
@retval EFI_SUCCESS The udp4 service context data is created and
initialized.
@retval EFI_OUT_OF_RESOURCES Cannot allocate memory.
@retval other Other error occurs.
**/
EFI_STATUS
Udp4CreateService (
IN UDP4_SERVICE_DATA *Udp4Service,
IN EFI_HANDLE ImageHandle,
IN EFI_HANDLE ControllerHandle
IN OUT UDP4_SERVICE_DATA *Udp4Service,
IN EFI_HANDLE ImageHandle,
IN EFI_HANDLE ControllerHandle
);
/**
Clean the Udp service context data.
@param Udp4Service Pointer to the UDP4_SERVICE_DATA.
@return None.
**/
VOID
Udp4CleanService (
IN UDP4_SERVICE_DATA *Udp4Service
);
/**
This function intializes the new created udp instance.
@param Udp4Service Pointer to the UDP4_SERVICE_DATA.
@param Instance Pointer to the un-initialized UDP4_INSTANCE_DATA.
@return None.
**/
VOID
Udp4InitInstance (
IN UDP4_SERVICE_DATA *Udp4Service,
IN UDP4_INSTANCE_DATA *Instance
IN UDP4_SERVICE_DATA *Udp4Service,
IN OUT UDP4_INSTANCE_DATA *Instance
);
/**
This function cleans the udp instance.
@param Instance Pointer to the UDP4_INSTANCE_DATA to clean.
@return None.
**/
VOID
Udp4CleanInstance (
IN UDP4_INSTANCE_DATA *Instance
);
/**
This function tries to bind the udp instance according to the configured port
allocation strategy.
@param InstanceList Pointer to the head of the list linking the udp
instances.
@param ConfigData Pointer to the ConfigData of the instance to be
bound. ConfigData->StationPort will be assigned
with an available port value on success.
@retval EFI_SUCCESS The bound operation is completed successfully.
@retval EFI_ACCESS_DENIED The <Address, Port> specified by the ConfigData is
already used by other instance.
@retval EFI_OUT_OF_RESOURCES No available port resources.
**/
EFI_STATUS
Udp4Bind (
IN LIST_ENTRY *InstanceList,
IN EFI_UDP4_CONFIG_DATA *ConfigData
IN LIST_ENTRY *InstanceList,
IN OUT EFI_UDP4_CONFIG_DATA *ConfigData
);
/**
This function is used to check whether the NewConfigData has any un-reconfigurable
parameters changed compared to the OldConfigData.
@param OldConfigData Pointer to the current ConfigData the udp instance
uses.
@param NewConfigData Pointer to the new ConfigData.
@retval TRUE The instance is reconfigurable.
@retval FALSE Otherwise.
**/
BOOLEAN
Udp4IsReconfigurable (
IN EFI_UDP4_CONFIG_DATA *OldConfigData,
IN EFI_UDP4_CONFIG_DATA *NewConfigData
);
/**
This function builds the Ip4 configdata from the Udp4ConfigData.
@param Udp4ConfigData Pointer to the EFI_UDP4_CONFIG_DATA.
@param Ip4ConfigData Pointer to the EFI_IP4_CONFIG_DATA.
@return None.
**/
VOID
Udp4BuildIp4ConfigData (
IN EFI_UDP4_CONFIG_DATA *Udp4ConfigData,
IN EFI_IP4_CONFIG_DATA *Ip4ConfigData
IN EFI_UDP4_CONFIG_DATA *Udp4ConfigData,
IN OUT EFI_IP4_CONFIG_DATA *Ip4ConfigData
);
/**
This function validates the TxToken, it returns the error code according to the spec.
@param Instance Pointer to the udp instance context data.
@param 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: 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.
Token.Packet.TxData. GatewayAddress is not a
unicast IPv4 address if it is not NULL. One or
more IPv4 addresses in Token.Packet.TxData.
UdpSessionData are not valid unicast IPv4
addresses if the UdpSessionData is not NULL.
@retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP
packet size.
**/
EFI_STATUS
Udp4ValidateTxToken (
IN UDP4_INSTANCE_DATA *Instance,
IN EFI_UDP4_COMPLETION_TOKEN *TxToken
);
/**
This function checks whether the specified Token duplicates with the one in the Map.
@param Map Pointer to the NET_MAP.
@param Item Pointer to the NET_MAP_ITEM contain the pointer to
the Token.
@param 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
Udp4TokenExist (
IN NET_MAP *Map,
@ -241,56 +582,153 @@ Udp4TokenExist (
IN VOID *Context
);
/**
This function calculates the checksum for the Packet, utilizing the pre-calculated
pseudo HeadSum to reduce some overhead.
@param Packet Pointer to the NET_BUF contains the udp datagram.
@param HeadSum Checksum of the pseudo header execpt the length
field.
@return The 16-bit checksum of this udp datagram.
**/
UINT16
Udp4Checksum (
IN NET_BUF *Packet,
IN UINT16 HeadSum
);
/**
This function removes the specified Token from the TokenMap.
@param TokenMap Pointer to the NET_MAP containing the tokens.
@param 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
Udp4RemoveToken (
IN NET_MAP *TokenMap,
IN EFI_UDP4_COMPLETION_TOKEN *Token
IN OUT NET_MAP *TokenMap,
IN EFI_UDP4_COMPLETION_TOKEN *Token
);
/**
This function removes the multicast group specified by Arg from the Map.
@param Map Pointer to the NET_MAP.
@param Item Pointer to the NET_MAP_ITEM.
@param Arg Pointer to the Arg, it's the pointer to a
multicast IPv4 Address.
@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
Udp4LeaveGroup (
IN NET_MAP *Map,
IN NET_MAP_ITEM *Item,
IN VOID *Arg OPTIONAL
IN OUT NET_MAP *Map,
IN NET_MAP_ITEM *Item,
IN VOID *Arg OPTIONAL
);
/**
This function removes all the Wrap datas in the RcvdDgramQue.
@param Instance Pointer to the udp instance context data.
@return None.
**/
VOID
Udp4FlushRcvdDgram (
IN UDP4_INSTANCE_DATA *Instance
);
/**
Cancel Udp4 tokens from the Udp4 instance.
@param Instance Pointer to the udp instance context data.
@param Token Pointer to the token to be canceled, if NULL, all
tokens in this instance will be cancelled.
@retval EFI_SUCCESS The Token is cancelled.
@retval EFI_NOT_FOUND The Token is not found.
**/
EFI_STATUS
Udp4InstanceCancelToken (
IN UDP4_INSTANCE_DATA *Instance,
IN EFI_UDP4_COMPLETION_TOKEN *Token OPTIONAL
);
/**
This function delivers the received datagrams for the specified instance.
@param Instance Pointer to the instance context data.
@return None.
**/
VOID
Udp4InstanceDeliverDgram (
IN UDP4_INSTANCE_DATA *Instance
);
/**
This function reports the received ICMP error.
@param Instance Pointer to the udp instance context data.
@return None.
**/
VOID
Udp4ReportIcmpError (
IN UDP4_INSTANCE_DATA *Instance
);
/**
This function is a dummy ext-free function for the NET_BUF created for the output
udp datagram.
@param Context Pointer to the context data.
@return None.
**/
VOID
Udp4NetVectorExtFree (
VOID *Context
);
/**
Set the Udp4 variable data.
@param Udp4Service Udp4 service data.
@retval EFI_OUT_OF_RESOURCES There are not enough resources to set the
variable.
@retval EFI_SUCCESS Set variable successfully.
@retval other Set variable failed.
**/
EFI_STATUS
Udp4SetVariableData (
IN UDP4_SERVICE_DATA *Udp4Service
);
/**
Clear the variable and free the resource.
@param Udp4Service Udp4 service data.
@return None.
**/
VOID
Udp4ClearVariableData (
IN UDP4_SERVICE_DATA *Udp4Service