-/** @file
-
-Copyright (c) 2006 - 2007, 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.
-
-Module Name:
-
- Udp4Impl.h
-
-Abstract:
-
- EFI UDPv4 protocol implementation
-
-
-**/
-
-#ifndef _UDP4_IMPL_H_
-#define _UDP4_IMPL_H_
-
-#include <PiDxe.h>\r
-\r
-#include <Protocol/IP4.h>\r
+/** @file\r
+ EFI UDPv4 protocol implementation.\r
+ \r
+Copyright (c) 2006 - 2009, Intel Corporation.<BR>\r
+All rights reserved. This program and the accompanying materials\r
+are licensed and made available under the terms and conditions of the BSD License\r
+which accompanies this distribution. The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php\r
+\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#ifndef _UDP4_IMPL_H_\r
+#define _UDP4_IMPL_H_\r
+\r
+#include <Uefi.h>\r
+\r
+#include <Protocol/Ip4.h>\r
#include <Protocol/Udp4.h>\r
-
+\r
#include <Library/IpIoLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/UefiRuntimeServicesTableLib.h>\r
#include <Library/UefiDriverEntryPoint.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/BaseLib.h>\r
-#include <Library/UefiLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/MemoryAllocationLib.h>
-
-#include "Udp4Driver.h"
-
-
-extern EFI_COMPONENT_NAME_PROTOCOL gUdp4ComponentName;
-extern EFI_SERVICE_BINDING_PROTOCOL mUdp4ServiceBinding;
-extern EFI_UDP4_PROTOCOL mUdp4Protocol;
-extern UINT16 mUdp4RandomPort;
-
-#define ICMP_ERROR_PACKET_LENGTH 8
-
-#define UDP4_TIMEOUT_INTERVAL (50 * TICKS_PER_MS) // 50 milliseconds
-
-#define UDP4_HEADER_SIZE sizeof (EFI_UDP4_HEADER)
-#define UDP4_MAX_DATA_SIZE 65507
-
-#define UDP4_PORT_KNOWN 1024
-
-#define UDP4_SERVICE_DATA_SIGNATURE EFI_SIGNATURE_32('U', 'd', 'p', '4')
-
-#define UDP4_SERVICE_DATA_FROM_THIS(a) \
- CR ( \
- (a), \
- UDP4_SERVICE_DATA, \
- ServiceBinding, \
- UDP4_SERVICE_DATA_SIGNATURE \
- )
-
-typedef struct _UDP4_SERVICE_DATA_ {
- UINT32 Signature;
- EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;
- EFI_HANDLE ImageHandle;
- EFI_HANDLE ControllerHandle;
- NET_LIST_ENTRY ChildrenList;
- UINTN ChildrenNumber;
- IP_IO *IpIo;
-
- EFI_EVENT TimeoutEvent;
-
- CHAR16 *MacString;
-} UDP4_SERVICE_DATA;
-
-#define UDP4_INSTANCE_DATA_SIGNATURE EFI_SIGNATURE_32('U', 'd', 'p', 'I')
-
-#define UDP4_INSTANCE_DATA_FROM_THIS(a) \
- CR ( \
- (a), \
- UDP4_INSTANCE_DATA, \
- Udp4Proto, \
- UDP4_INSTANCE_DATA_SIGNATURE \
- )
-
-typedef struct _UDP4_INSTANCE_DATA_ {
- UINT32 Signature;
- NET_LIST_ENTRY Link;
-
- UDP4_SERVICE_DATA *Udp4Service;
- EFI_UDP4_PROTOCOL Udp4Proto;
- EFI_UDP4_CONFIG_DATA ConfigData;
- EFI_HANDLE ChildHandle;
- BOOLEAN Configured;
- BOOLEAN IsNoMapping;
-
- NET_MAP TxTokens;
- NET_MAP RxTokens;
-
- NET_MAP McastIps;
-
- NET_LIST_ENTRY RcvdDgramQue;
- NET_LIST_ENTRY DeliveredDgramQue;
-
- UINT16 HeadSum;
-
- EFI_STATUS IcmpError;
-
- IP_IO_IP_INFO *IpInfo;
-
- BOOLEAN Destroyed;
-} UDP4_INSTANCE_DATA;
-
-typedef struct _UDP4_RXDATA_WRAP_ {
- NET_LIST_ENTRY Link;
- NET_BUF *Packet;
- UINT32 TimeoutTick;
- EFI_UDP4_RECEIVE_DATA RxData;
-} UDP4_RXDATA_WRAP;
-
-EFI_STATUS
-EFIAPI
-Udp4GetModeData (
- IN EFI_UDP4_PROTOCOL *This,
- OUT EFI_UDP4_CONFIG_DATA *Udp4ConfigData OPTIONAL,
- OUT EFI_IP4_MODE_DATA *Ip4ModeData OPTIONAL,
- OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,
- OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL
- );
-
-EFI_STATUS
-EFIAPI
-Udp4Configure (
- IN EFI_UDP4_PROTOCOL *This,
- IN EFI_UDP4_CONFIG_DATA *UdpConfigData OPTIONAL
- );
-
-EFI_STATUS
-EFIAPI
-Udp4Groups (
- IN EFI_UDP4_PROTOCOL *This,
- IN BOOLEAN JoinFlag,
- IN EFI_IPv4_ADDRESS *MulticastAddress OPTIONAL
- );
-
-EFI_STATUS
-EFIAPI
-Udp4Routes (
- IN EFI_UDP4_PROTOCOL *This,
- IN BOOLEAN DeleteRoute,
- IN EFI_IPv4_ADDRESS *SubnetAddress,
- IN EFI_IPv4_ADDRESS *SubnetMask,
- IN EFI_IPv4_ADDRESS *GatewayAddress
- );
-
-EFI_STATUS
-EFIAPI
-Udp4Transmit (
- IN EFI_UDP4_PROTOCOL *This,
- IN EFI_UDP4_COMPLETION_TOKEN *Token
- );
-
-EFI_STATUS
-EFIAPI
-Udp4Receive (
- IN EFI_UDP4_PROTOCOL *This,
- IN EFI_UDP4_COMPLETION_TOKEN *Token
- );
-
-EFI_STATUS
-EFIAPI
-Udp4Cancel (
- IN EFI_UDP4_PROTOCOL *This,
- IN EFI_UDP4_COMPLETION_TOKEN *Token OPTIONAL
- );
-
-EFI_STATUS
-EFIAPI
-Udp4Poll (
- IN EFI_UDP4_PROTOCOL *This
- );
-
-EFI_STATUS
-Udp4CreateService (
- IN UDP4_SERVICE_DATA *Udp4Service,
- IN EFI_HANDLE ImageHandle,
- IN EFI_HANDLE ControllerHandle
- );
-
-VOID
-Udp4CleanService (
- IN UDP4_SERVICE_DATA *Udp4Service
- );
-
-VOID
-Udp4InitInstance (
- IN UDP4_SERVICE_DATA *Udp4Service,
- IN UDP4_INSTANCE_DATA *Instance
- );
-
-VOID
-Udp4CleanInstance (
- IN UDP4_INSTANCE_DATA *Instance
- );
-
-EFI_STATUS
-Udp4Bind (
- IN NET_LIST_ENTRY *InstanceList,
- IN EFI_UDP4_CONFIG_DATA *ConfigData
- );
-
-BOOLEAN
-Udp4IsReconfigurable (
- IN EFI_UDP4_CONFIG_DATA *OldConfigData,
- IN EFI_UDP4_CONFIG_DATA *NewConfigData
- );
-
-VOID
-Udp4BuildIp4ConfigData (
- IN EFI_UDP4_CONFIG_DATA *Udp4ConfigData,
- IN EFI_IP4_CONFIG_DATA *Ip4ConfigData
- );
-
-EFI_STATUS
-Udp4ValidateTxToken (
- IN UDP4_INSTANCE_DATA *Instance,
- IN EFI_UDP4_COMPLETION_TOKEN *TxToken
- );
-
-EFI_STATUS
-Udp4TokenExist (
- IN NET_MAP *Map,
- IN NET_MAP_ITEM *Item,
- IN VOID *Context
- );
-
-UINT16
-Udp4Checksum (
- IN NET_BUF *Packet,
- IN UINT16 HeadSum
- );
-
-EFI_STATUS
-Udp4RemoveToken (
- IN NET_MAP *TokenMap,
- IN EFI_UDP4_COMPLETION_TOKEN *Token
- );
-
-EFI_STATUS
-Udp4LeaveGroup (
- IN NET_MAP *Map,
- IN NET_MAP_ITEM *Item,
- IN VOID *Arg OPTIONAL
- );
-
-VOID
-Udp4FlushRxData (
- IN NET_LIST_ENTRY *RcvdDgramQue
- );
-
-EFI_STATUS
-Udp4InstanceCancelToken (
- IN UDP4_INSTANCE_DATA *Instance,
- IN EFI_UDP4_COMPLETION_TOKEN *Token OPTIONAL
- );
-
-VOID
-Udp4InstanceDeliverDgram (
- IN UDP4_INSTANCE_DATA *Instance
- );
-
-VOID
-Udp4ReportIcmpError (
- IN UDP4_INSTANCE_DATA *Instance
- );
-
-VOID
-Udp4NetVectorExtFree (
- VOID *Context
- );
-
-EFI_STATUS
-Udp4SetVariableData (
- IN UDP4_SERVICE_DATA *Udp4Service
- );
-
-VOID
-Udp4ClearVariableData (
- IN UDP4_SERVICE_DATA *Udp4Service
- );
-
-#endif
-
+#include <Library/UefiLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
+#include <Library/TimerLib.h>\r
+#include <Library/DpcLib.h>\r
+\r
+#include "Udp4Driver.h"\r
+\r
+\r
+extern EFI_COMPONENT_NAME_PROTOCOL gUdp4ComponentName;\r
+extern EFI_COMPONENT_NAME2_PROTOCOL gUdp4ComponentName2;\r
+extern EFI_SERVICE_BINDING_PROTOCOL mUdp4ServiceBinding;\r
+extern EFI_UDP4_PROTOCOL mUdp4Protocol;\r
+extern UINT16 mUdp4RandomPort;\r
+\r
+#define ICMP_ERROR_PACKET_LENGTH 8\r
+\r
+#define UDP4_TIMEOUT_INTERVAL (50 * TICKS_PER_MS) // 50 milliseconds\r
+\r
+#define UDP4_HEADER_SIZE sizeof (EFI_UDP4_HEADER)\r
+#define UDP4_MAX_DATA_SIZE 65507\r
+\r
+#define UDP4_PORT_KNOWN 1024\r
+\r
+#define UDP4_SERVICE_DATA_SIGNATURE SIGNATURE_32('U', 'd', 'p', '4')\r
+\r
+#define UDP4_SERVICE_DATA_FROM_THIS(a) \\r
+ CR ( \\r
+ (a), \\r
+ UDP4_SERVICE_DATA, \\r
+ ServiceBinding, \\r
+ UDP4_SERVICE_DATA_SIGNATURE \\r
+ )\r
+\r
+typedef struct _UDP4_SERVICE_DATA_ {\r
+ UINT32 Signature;\r
+ EFI_SERVICE_BINDING_PROTOCOL ServiceBinding;\r
+ EFI_HANDLE ImageHandle;\r
+ EFI_HANDLE ControllerHandle;\r
+ LIST_ENTRY ChildrenList;\r
+ UINTN ChildrenNumber;\r
+ IP_IO *IpIo;\r
+\r
+ EFI_EVENT TimeoutEvent;\r
+\r
+ CHAR16 *MacString;\r
+} UDP4_SERVICE_DATA;\r
+\r
+#define UDP4_INSTANCE_DATA_SIGNATURE SIGNATURE_32('U', 'd', 'p', 'I')\r
+\r
+#define UDP4_INSTANCE_DATA_FROM_THIS(a) \\r
+ CR ( \\r
+ (a), \\r
+ UDP4_INSTANCE_DATA, \\r
+ Udp4Proto, \\r
+ UDP4_INSTANCE_DATA_SIGNATURE \\r
+ )\r
+\r
+typedef struct _UDP4_INSTANCE_DATA_ {\r
+ UINT32 Signature;\r
+ LIST_ENTRY Link;\r
+\r
+ UDP4_SERVICE_DATA *Udp4Service;\r
+ EFI_UDP4_PROTOCOL Udp4Proto;\r
+ EFI_UDP4_CONFIG_DATA ConfigData;\r
+ EFI_HANDLE ChildHandle;\r
+ BOOLEAN Configured;\r
+ BOOLEAN IsNoMapping;\r
+\r
+ NET_MAP TxTokens;\r
+ NET_MAP RxTokens;\r
+\r
+ NET_MAP McastIps;\r
+\r
+ LIST_ENTRY RcvdDgramQue;\r
+ LIST_ENTRY DeliveredDgramQue;\r
+\r
+ UINT16 HeadSum;\r
+\r
+ EFI_STATUS IcmpError;\r
+\r
+ IP_IO_IP_INFO *IpInfo;\r
+\r
+ BOOLEAN Destroyed;\r
+} UDP4_INSTANCE_DATA;\r
+\r
+typedef struct _UDP4_RXDATA_WRAP_ {\r
+ LIST_ENTRY Link;\r
+ NET_BUF *Packet;\r
+ UINT32 TimeoutTick;\r
+ EFI_UDP4_RECEIVE_DATA RxData;\r
+} UDP4_RXDATA_WRAP;\r
+\r
+/**\r
+ Reads the current operational settings.\r
+\r
+ The GetModeData() function copies the current operational settings of this EFI\r
+ UDPv4 Protocol instance into user-supplied buffers. This function is used\r
+ optionally to retrieve the operational mode data of underlying networks or\r
+ drivers.\r
+\r
+ @param This Pointer to the EFI_UDP4_PROTOCOL instance.\r
+ @param Udp4ConfigData Pointer to the buffer to receive the current configuration data.\r
+ @param Ip4ModeData Pointer to the EFI IPv4 Protocol mode data structure.\r
+ @param MnpConfigData Pointer to the managed network configuration data structure.\r
+ @param SnpModeData Pointer to the simple network mode data structure.\r
+\r
+ @retval EFI_SUCCESS The mode data was read.\r
+ @retval EFI_NOT_STARTED When Udp4ConfigData is queried, no configuration data is\r
+ available because this instance has not been started.\r
+ @retval EFI_INVALID_PARAMETER This is NULL.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+Udp4GetModeData (\r
+ IN EFI_UDP4_PROTOCOL *This,\r
+ OUT EFI_UDP4_CONFIG_DATA *Udp4ConfigData OPTIONAL,\r
+ OUT EFI_IP4_MODE_DATA *Ip4ModeData OPTIONAL,\r
+ OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData OPTIONAL,\r
+ OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL\r
+ );\r
+\r
+/**\r
+ Initializes, changes, or resets the operational parameters for this instance of the EFI UDPv4\r
+ Protocol.\r
+ \r
+ The Configure() function is used to do the following:\r
+ * Initialize and start this instance of the EFI UDPv4 Protocol.\r
+ * Change the filtering rules and operational parameters.\r
+ * Reset this instance of the EFI UDPv4 Protocol.\r
+ Until these parameters are initialized, no network traffic can be sent or\r
+ received by this instance. This instance can be also reset by calling Configure()\r
+ with UdpConfigData set to NULL. Once reset, the receiving queue and transmitting\r
+ queue are flushed and no traffic is allowed through this instance.\r
+ With different parameters in UdpConfigData, Configure() can be used to bind\r
+ this instance to specified port.\r
+\r
+ @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r
+ @param[in] UdpConfigData Pointer to the buffer to receive the current configuration data.\r
+\r
+ @retval EFI_SUCCESS The configuration settings were set, changed, or reset successfully.\r
+ @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,\r
+ RARP, etc.) is not finished yet.\r
+ @retval EFI_INVALID_PARAMETER One or more following conditions are TRUE:\r
+ @retval EFI_ALREADY_STARTED The EFI UDPv4 Protocol instance is already started/configured\r
+ and must be stopped/reset before it can be reconfigured.\r
+ @retval EFI_ACCESS_DENIED UdpConfigData. AllowDuplicatePort is FALSE\r
+ and UdpConfigData.StationPort is already used by\r
+ other instance.\r
+ @retval EFI_OUT_OF_RESOURCES The EFI UDPv4 Protocol driver cannot allocate memory for this\r
+ EFI UDPv4 Protocol instance.\r
+ @retval EFI_DEVICE_ERROR An unexpected network or system error occurred and this instance\r
+ was not opened. \r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+Udp4Configure (\r
+ IN EFI_UDP4_PROTOCOL *This,\r
+ IN EFI_UDP4_CONFIG_DATA *UdpConfigData OPTIONAL\r
+ );\r
+\r
+/**\r
+ Joins and leaves multicast groups.\r
+ \r
+ The Groups() function is used to enable and disable the multicast group\r
+ filtering. If the JoinFlag is FALSE and the MulticastAddress is NULL, then all\r
+ currently joined groups are left.\r
+\r
+ @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r
+ @param[in] JoinFlag Set to TRUE to join a multicast group. Set to FALSE to leave one\r
+ or all multicast groups.\r
+ @param[in] MulticastAddress Pointer to multicast group address to join or leave.\r
+\r
+ @retval EFI_SUCCESS The operation completed successfully.\r
+ @retval EFI_NOT_STARTED The EFI UDPv4 Protocol instance has not been started.\r
+ @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,\r
+ RARP, etc.) is not finished yet.\r
+ @retval EFI_OUT_OF_RESOURCES Could not allocate resources to join the group.\r
+ @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r
+ - This is NULL.\r
+ - JoinFlag is TRUE and MulticastAddress is NULL.\r
+ - JoinFlag is TRUE and *MulticastAddress is not\r
+ a valid multicast address.\r
+ @retval EFI_ALREADY_STARTED The group address is already in the group table (when\r
+ JoinFlag is TRUE).\r
+ @retval EFI_NOT_FOUND The group address is not in the group table (when JoinFlag is\r
+ FALSE).\r
+ @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+Udp4Groups (\r
+ IN EFI_UDP4_PROTOCOL *This,\r
+ IN BOOLEAN JoinFlag,\r
+ IN EFI_IPv4_ADDRESS *MulticastAddress OPTIONAL\r
+ );\r
+\r
+/**\r
+ Adds and deletes routing table entries.\r
+ \r
+ The Routes() function adds a route to or deletes a route from the routing table.\r
+ Routes are determined by comparing the SubnetAddress with the destination IP\r
+ address and arithmetically AND-ing it with the SubnetMask. The gateway address\r
+ must be on the same subnet as the configured station address.\r
+ The default route is added with SubnetAddress and SubnetMask both set to 0.0.0.0.\r
+ The default route matches all destination IP addresses that do not match any\r
+ other routes.\r
+ A zero GatewayAddress is a nonroute. Packets are sent to the destination IP\r
+ address if it can be found in the Address Resolution Protocol (ARP) cache or\r
+ on the local subnet. One automatic nonroute entry will be inserted into the\r
+ routing table for outgoing packets that are addressed to a local subnet\r
+ (gateway address of 0.0.0.0).\r
+ Each instance of the EFI UDPv4 Protocol has its own independent routing table.\r
+ Instances of the EFI UDPv4 Protocol that use the default IP address will also\r
+ have copies of the routing table provided by the EFI_IP4_CONFIG_PROTOCOL. These\r
+ copies will be updated automatically whenever the IP driver reconfigures its\r
+ instances; as a result, the previous modification to these copies will be lost.\r
+\r
+ @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r
+ @param[in] DeleteRoute Set to TRUE to delete this route from the routing table.\r
+ Set to FALSE to add this route to the routing table.\r
+ @param[in] SubnetAddress The destination network address that needs to be routed.\r
+ @param[in] SubnetMask The subnet mask of SubnetAddress.\r
+ @param[in] GatewayAddress The gateway IP address for this route.\r
+\r
+ @retval EFI_SUCCESS The operation completed successfully.\r
+ @retval EFI_NOT_STARTED The EFI UDPv4 Protocol instance has not been started.\r
+ @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,\r
+ - RARP, etc.) is not finished yet.\r
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
+ @retval EFI_OUT_OF_RESOURCES Could not add the entry to the routing table.\r
+ @retval EFI_NOT_FOUND This route is not in the routing table.\r
+ @retval EFI_ACCESS_DENIED The route is already defined in the routing table.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+Udp4Routes (\r
+ IN EFI_UDP4_PROTOCOL *This,\r
+ IN BOOLEAN DeleteRoute,\r
+ IN EFI_IPv4_ADDRESS *SubnetAddress,\r
+ IN EFI_IPv4_ADDRESS *SubnetMask,\r
+ IN EFI_IPv4_ADDRESS *GatewayAddress\r
+ );\r
+\r
+/**\r
+ Queues outgoing data packets into the transmit queue.\r
+ \r
+ The Transmit() function places a sending request to this instance of the EFI\r
+ UDPv4 Protocol, alongside the transmit data that was filled by the user. Whenever\r
+ the packet in the token is sent out or some errors occur, the Token.Event will\r
+ be signaled and Token.Status is updated. Providing a proper notification function\r
+ and context for the event will enable the user to receive the notification and\r
+ transmitting status.\r
+\r
+ @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r
+ @param[in] Token Pointer to the completion token that will be placed into the\r
+ transmit queue.\r
+\r
+ @retval EFI_SUCCESS The data has been queued for transmission.\r
+ @retval EFI_NOT_STARTED This EFI UDPv4 Protocol instance has not been started.\r
+ @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP,\r
+ RARP, etc.) is not finished yet.\r
+ @retval EFI_INVALID_PARAMETER One or more parameters are invalid.\r
+ @retval EFI_ACCESS_DENIED The transmit completion token with the same\r
+ Token.Event was already in the transmit queue.\r
+ @retval EFI_NOT_READY The completion token could not be queued because the\r
+ transmit queue is full.\r
+ @retval EFI_OUT_OF_RESOURCES Could not queue the transmit data.\r
+ @retval EFI_NOT_FOUND There is no route to the destination network or address.\r
+ @retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP packet\r
+ size. Or the length of the IP header + UDP header + data\r
+ length is greater than MTU if DoNotFragment is TRUE.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+Udp4Transmit (\r
+ IN EFI_UDP4_PROTOCOL *This,\r
+ IN EFI_UDP4_COMPLETION_TOKEN *Token\r
+ );\r
+\r
+/**\r
+ Places an asynchronous receive request into the receiving queue.\r
+ \r
+ The Receive() function places a completion token into the receive packet queue.\r
+ This function is always asynchronous.\r
+ The caller must fill in the Token.Event field in the completion token, and this\r
+ field cannot be NULL. When the receive operation completes, the EFI UDPv4 Protocol\r
+ driver updates the Token.Status and Token.Packet.RxData fields and the Token.Event\r
+ is signaled. Providing a proper notification function and context for the event\r
+ will enable the user to receive the notification and receiving status. That\r
+ notification function is guaranteed to not be re-entered.\r
+\r
+ @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r
+ @param[in] Token Pointer to a token that is associated with\r
+ the receive data descriptor.\r
+\r
+ @retval EFI_SUCCESS The receive completion token was cached.\r
+ @retval EFI_NOT_STARTED This EFI UDPv4 Protocol instance has not been started.\r
+ @retval EFI_NO_MAPPING When using a default address, configuration (DHCP, BOOTP, RARP, etc.)\r
+ is not finished yet.\r
+ @retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:\r
+ @retval EFI_OUT_OF_RESOURCES The receive completion token could not be queued due to a lack of system\r
+ resources (usually memory).\r
+ @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r
+ @retval EFI_ACCESS_DENIED A receive completion token with the same Token.Event was already in\r
+ the receive queue.\r
+ @retval EFI_NOT_READY The receive request could not be queued because the receive queue is full.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+Udp4Receive (\r
+ IN EFI_UDP4_PROTOCOL *This,\r
+ IN EFI_UDP4_COMPLETION_TOKEN *Token\r
+ );\r
+\r
+/**\r
+ Aborts an asynchronous transmit or receive request.\r
+ \r
+ The Cancel() function is used to abort a pending transmit or receive request.\r
+ If the token is in the transmit or receive request queues, after calling this\r
+ function, Token.Status will be set to EFI_ABORTED and then Token.Event will be\r
+ signaled. If the token is not in one of the queues, which usually means that\r
+ the asynchronous operation has completed, this function will not signal the\r
+ token and EFI_NOT_FOUND is returned.\r
+\r
+ @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r
+ @param[in] Token Pointer to a token that has been issued by\r
+ EFI_UDP4_PROTOCOL.Transmit() or\r
+ EFI_UDP4_PROTOCOL.Receive().If NULL, all pending\r
+ tokens are aborted.\r
+\r
+ @retval EFI_SUCCESS The asynchronous I/O request was aborted and Token.Event\r
+ was signaled. When Token is NULL, all pending requests are\r
+ aborted and their events are signaled.\r
+ @retval EFI_INVALID_PARAMETER This is NULL.\r
+ @retval EFI_NOT_STARTED This instance has not been started.\r
+ @retval EFI_NO_MAPPING When using the default address, configuration (DHCP, BOOTP,\r
+ RARP, etc.) is not finished yet.\r
+ @retval EFI_NOT_FOUND When Token is not NULL, the asynchronous I/O request was\r
+ not found in the transmit or receive queue. It has either completed\r
+ or was not issued by Transmit() and Receive().\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+Udp4Cancel (\r
+ IN EFI_UDP4_PROTOCOL *This,\r
+ IN EFI_UDP4_COMPLETION_TOKEN *Token OPTIONAL\r
+ );\r
+\r
+/**\r
+ Polls for incoming data packets and processes outgoing data packets.\r
+ \r
+ The Poll() function can be used by network drivers and applications to increase\r
+ the rate that data packets are moved between the communications device and the\r
+ transmit and receive queues.\r
+ In some systems, the periodic timer event in the managed network driver may not\r
+ poll the underlying communications device fast enough to transmit and/or receive\r
+ all data packets without missing incoming packets or dropping outgoing packets.\r
+ Drivers and applications that are experiencing packet loss should try calling\r
+ the Poll() function more often.\r
+\r
+ @param[in] This Pointer to the EFI_UDP4_PROTOCOL instance.\r
+\r
+ @retval EFI_SUCCESS Incoming or outgoing data was processed.\r
+ @retval EFI_INVALID_PARAMETER This is NULL.\r
+ @retval EFI_DEVICE_ERROR An unexpected system or network error occurred.\r
+ @retval EFI_TIMEOUT Data was dropped out of the transmit and/or receive queue.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+Udp4Poll (\r
+ IN EFI_UDP4_PROTOCOL *This\r
+ );\r
+\r
+/**\r
+ Create the Udp service context data.\r
+\r
+ @param Udp4Service Pointer to the UDP4_SERVICE_DATA.\r
+ @param ImageHandle The image handle of this udp4 driver.\r
+ @param ControllerHandle The controller handle this udp4 driver binds on.\r
+\r
+ @retval EFI_SUCCESS The udp4 service context data is created and\r
+ initialized.\r
+ @retval EFI_OUT_OF_RESOURCES Cannot allocate memory.\r
+ @retval other Other error occurs.\r
+\r
+**/\r
+EFI_STATUS\r
+Udp4CreateService (\r
+ IN OUT UDP4_SERVICE_DATA *Udp4Service,\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_HANDLE ControllerHandle\r
+ );\r
+\r
+/**\r
+ Clean the Udp service context data.\r
+\r
+ @param[in] Udp4Service Pointer to the UDP4_SERVICE_DATA.\r
+\r
+**/\r
+VOID\r
+Udp4CleanService (\r
+ IN UDP4_SERVICE_DATA *Udp4Service\r
+ );\r
+\r
+/**\r
+ This function intializes the new created udp instance.\r
+\r
+ @param Udp4Service Pointer to the UDP4_SERVICE_DATA.\r
+ @param Instance Pointer to the un-initialized UDP4_INSTANCE_DATA.\r
+\r
+**/\r
+VOID\r
+Udp4InitInstance (\r
+ IN UDP4_SERVICE_DATA *Udp4Service,\r
+ IN OUT UDP4_INSTANCE_DATA *Instance\r
+ );\r
+\r
+/**\r
+ This function cleans the udp instance.\r
+\r
+ @param[in] Instance Pointer to the UDP4_INSTANCE_DATA to clean.\r
+\r
+**/\r
+VOID\r
+Udp4CleanInstance (\r
+ IN UDP4_INSTANCE_DATA *Instance\r
+ );\r
+\r
+/**\r
+ This function tries to bind the udp instance according to the configured port\r
+ allocation strategy.\r
+\r
+ @param InstanceList Pointer to the head of the list linking the udp\r
+ instances.\r
+ @param ConfigData Pointer to the ConfigData of the instance to be\r
+ bound. ConfigData->StationPort will be assigned\r
+ with an available port value on success.\r
+\r
+ @retval EFI_SUCCESS The bound operation is completed successfully.\r
+ @retval EFI_ACCESS_DENIED The <Address, Port> specified by the ConfigData is\r
+ already used by other instance.\r
+ @retval EFI_OUT_OF_RESOURCES No available port resources.\r
+\r
+**/\r
+EFI_STATUS\r
+Udp4Bind (\r
+ IN LIST_ENTRY *InstanceList,\r
+ IN OUT EFI_UDP4_CONFIG_DATA *ConfigData\r
+ );\r
+\r
+/**\r
+ This function is used to check whether the NewConfigData has any un-reconfigurable\r
+ parameters changed compared to the OldConfigData.\r
+\r
+ @param[in] OldConfigData Pointer to the current ConfigData the udp instance\r
+ uses.\r
+ @param[in] NewConfigData Pointer to the new ConfigData.\r
+\r
+ @retval TRUE The instance is reconfigurable.\r
+ @retval FALSE Otherwise.\r
+\r
+**/\r
+BOOLEAN\r
+Udp4IsReconfigurable (\r
+ IN EFI_UDP4_CONFIG_DATA *OldConfigData,\r
+ IN EFI_UDP4_CONFIG_DATA *NewConfigData\r
+ );\r
+\r
+/**\r
+ This function builds the Ip4 configdata from the Udp4ConfigData.\r
+\r
+ @param[in] Udp4ConfigData Pointer to the EFI_UDP4_CONFIG_DATA.\r
+ @param[in, out] Ip4ConfigData Pointer to the EFI_IP4_CONFIG_DATA.\r
+\r
+**/\r
+VOID\r
+Udp4BuildIp4ConfigData (\r
+ IN EFI_UDP4_CONFIG_DATA *Udp4ConfigData,\r
+ IN OUT EFI_IP4_CONFIG_DATA *Ip4ConfigData\r
+ );\r
+\r
+/**\r
+ This function validates the TxToken, it returns the error code according to the spec.\r
+\r
+ @param[in] Instance Pointer to the udp instance context data.\r
+ @param[in] TxToken Pointer to the token to be checked.\r
+\r
+ @retval EFI_SUCCESS The TxToken is valid.\r
+ @retval EFI_INVALID_PARAMETER One or more of the following are TRUE: This is\r
+ NULL. Token is NULL. Token.Event is NULL.\r
+ Token.Packet.TxData is NULL.\r
+ Token.Packet.TxData.FragmentCount is zero.\r
+ Token.Packet.TxData.DataLength is not equal to the\r
+ sum of fragment lengths. One or more of the\r
+ Token.Packet.TxData.FragmentTable[].\r
+ FragmentLength fields is zero. One or more of the\r
+ Token.Packet.TxData.FragmentTable[].\r
+ FragmentBuffer fields is NULL.\r
+ Token.Packet.TxData. GatewayAddress is not a\r
+ unicast IPv4 address if it is not NULL. One or\r
+ more IPv4 addresses in Token.Packet.TxData.\r
+ UdpSessionData are not valid unicast IPv4\r
+ addresses if the UdpSessionData is not NULL.\r
+ @retval EFI_BAD_BUFFER_SIZE The data length is greater than the maximum UDP\r
+ packet size.\r
+\r
+**/\r
+EFI_STATUS\r
+Udp4ValidateTxToken (\r
+ IN UDP4_INSTANCE_DATA *Instance,\r
+ IN EFI_UDP4_COMPLETION_TOKEN *TxToken\r
+ );\r
+\r
+/**\r
+ This function checks whether the specified Token duplicates with the one in the Map.\r
+\r
+ @param[in] Map Pointer to the NET_MAP.\r
+ @param[in] Item Pointer to the NET_MAP_ITEM contain the pointer to\r
+ the Token.\r
+ @param[in] Context Pointer to the Token to be checked.\r
+\r
+ @retval EFI_SUCCESS The Token specified by Context differs from the\r
+ one in the Item.\r
+ @retval EFI_ACCESS_DENIED The Token duplicates with the one in the Item.\r
+\r
+**/\r
+EFI_STATUS\r
+Udp4TokenExist (\r
+ IN NET_MAP *Map,\r
+ IN NET_MAP_ITEM *Item,\r
+ IN VOID *Context\r
+ );\r
+\r
+/**\r
+ This function calculates the checksum for the Packet, utilizing the pre-calculated\r
+ pseudo HeadSum to reduce some overhead.\r
+\r
+ @param[in] Packet Pointer to the NET_BUF contains the udp datagram.\r
+ @param[in] HeadSum Checksum of the pseudo header execpt the length\r
+ field.\r
+\r
+ @retval The 16-bit checksum of this udp datagram.\r
+\r
+**/\r
+UINT16\r
+Udp4Checksum (\r
+ IN NET_BUF *Packet,\r
+ IN UINT16 HeadSum\r
+ );\r
+\r
+/**\r
+ This function removes the specified Token from the TokenMap.\r
+\r
+ @param TokenMap Pointer to the NET_MAP containing the tokens.\r
+ @param Token Pointer to the Token to be removed.\r
+\r
+ @retval EFI_SUCCESS The specified Token is removed from the TokenMap.\r
+ @retval EFI_NOT_FOUND The specified Token is not found in the TokenMap.\r
+\r
+**/\r
+EFI_STATUS\r
+Udp4RemoveToken (\r
+ IN OUT NET_MAP *TokenMap,\r
+ IN EFI_UDP4_COMPLETION_TOKEN *Token\r
+ );\r
+\r
+/**\r
+ This function removes the multicast group specified by Arg from the Map.\r
+\r
+ @param Map Pointer to the NET_MAP.\r
+ @param Item Pointer to the NET_MAP_ITEM.\r
+ @param Arg Pointer to the Arg, it's the pointer to a\r
+ multicast IPv4 Address.\r
+\r
+ @retval EFI_SUCCESS The multicast address is removed.\r
+ @retval EFI_ABORTED The specified multicast address is removed and the\r
+ Arg is not NULL.\r
+\r
+**/\r
+EFI_STATUS\r
+Udp4LeaveGroup (\r
+ IN OUT NET_MAP *Map,\r
+ IN NET_MAP_ITEM *Item,\r
+ IN VOID *Arg OPTIONAL\r
+ );\r
+\r
+/**\r
+ This function removes all the Wrap datas in the RcvdDgramQue.\r
+\r
+ @param[in] Instance Pointer to the udp instance context data.\r
+\r
+**/\r
+VOID\r
+Udp4FlushRcvdDgram (\r
+ IN UDP4_INSTANCE_DATA *Instance\r
+ );\r
+\r
+/**\r
+ Cancel Udp4 tokens from the Udp4 instance.\r
+\r
+ @param[in] Instance Pointer to the udp instance context data.\r
+ @param[in] Token Pointer to the token to be canceled, if NULL, all\r
+ tokens in this instance will be cancelled.\r
+\r
+ @retval EFI_SUCCESS The Token is cancelled.\r
+ @retval EFI_NOT_FOUND The Token is not found.\r
+\r
+**/\r
+EFI_STATUS\r
+Udp4InstanceCancelToken (\r
+ IN UDP4_INSTANCE_DATA *Instance,\r
+ IN EFI_UDP4_COMPLETION_TOKEN *Token OPTIONAL\r
+ );\r
+\r
+/**\r
+ This function delivers the received datagrams for the specified instance.\r
+\r
+ @param[in] Instance Pointer to the instance context data.\r
+\r
+**/\r
+VOID\r
+Udp4InstanceDeliverDgram (\r
+ IN UDP4_INSTANCE_DATA *Instance\r
+ );\r
+\r
+/**\r
+ This function reports the received ICMP error.\r
+\r
+ @param[in] Instance Pointer to the udp instance context data.\r
+\r
+**/\r
+VOID\r
+Udp4ReportIcmpError (\r
+ IN UDP4_INSTANCE_DATA *Instance\r
+ );\r
+\r
+/**\r
+ This function is a dummy ext-free function for the NET_BUF created for the output\r
+ udp datagram.\r
+\r
+ @param[in] Context Pointer to the context data.\r
+\r
+**/\r
+VOID\r
+Udp4NetVectorExtFree (\r
+ VOID *Context\r
+ );\r
+\r
+/**\r
+ Set the Udp4 variable data.\r
+\r
+ @param Udp4Service Udp4 service data.\r
+\r
+ @retval EFI_OUT_OF_RESOURCES There are not enough resources to set the\r
+ variable.\r
+ @retval EFI_SUCCESS Set variable successfully.\r
+ @retval other Set variable failed.\r
+\r
+**/\r
+EFI_STATUS\r
+Udp4SetVariableData (\r
+ IN UDP4_SERVICE_DATA *Udp4Service\r
+ );\r
+\r
+/**\r
+ Clear the variable and free the resource.\r
+\r
+ @param[[in] Udp4Service Udp4 service data.\r
+\r
+**/\r
+VOID\r
+Udp4ClearVariableData (\r
+ IN UDP4_SERVICE_DATA *Udp4Service\r
+ );\r
+\r
+#endif\r
+\r
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