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