mirror of https://github.com/acidanthera/audk.git
443 lines
17 KiB
C
443 lines
17 KiB
C
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/** @file
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EFI_DHCP4_PROTOCOL as defined in UEFI 2.0.
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EFI_DHCP4_SERVICE_BINDING_PROTOCOL as defined in UEFI 2.0.
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These protocols are used to collect configuration information for the EFI IPv4 Protocol
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drivers and to provide DHCPv4 server and PXE boot server discovery services.
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name: DHCP4.h
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**/
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#ifndef __EFI_DHCP4_PROTOCOL_H__
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#define __EFI_DHCP4_PROTOCOL_H__
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#define EFI_DHCP4_PROTOCOL_GUID \
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{ \
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0x8a219718, 0x4ef5, 0x4761, {0x91, 0xc8, 0xc0, 0xf0, 0x4b, 0xda, 0x9e, 0x56 } \
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}
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#define EFI_DHCP4_SERVICE_BINDING_PROTOCOL_GUID \
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{ \
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0x9d9a39d8, 0xbd42, 0x4a73, {0xa4, 0xd5, 0x8e, 0xe9, 0x4b, 0xe1, 0x13, 0x80 } \
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}
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typedef struct _EFI_DHCP4_PROTOCOL EFI_DHCP4_PROTOCOL;
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#pragma pack(1)
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typedef struct {
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UINT8 OpCode;
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UINT8 Length;
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UINT8 Data[1];
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} EFI_DHCP4_PACKET_OPTION;
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#pragma pack()
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#pragma pack(1)
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typedef struct {
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UINT8 OpCode;
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UINT8 HwType;
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UINT8 HwAddrLen;
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UINT8 Hops;
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UINT32 Xid;
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UINT16 Seconds;
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UINT16 Reserved;
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EFI_IPv4_ADDRESS ClientAddr; //Client IP address from client
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EFI_IPv4_ADDRESS YourAddr; //Client IP address from server
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EFI_IPv4_ADDRESS ServerAddr; //IP address of next server in bootstrap
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EFI_IPv4_ADDRESS GatewayAddr; //Relay agent IP address
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UINT8 ClientHwAddr[16]; //Client hardware address
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CHAR8 ServerName[64];
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CHAR8 BootFileName[128];
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}EFI_DHCP4_HEADER;
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#pragma pack()
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#pragma pack(1)
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typedef struct {
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UINT32 Size;
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UINT32 Length;
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struct {
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EFI_DHCP4_HEADER Header;
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UINT32 Magik;
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UINT8 Option[1];
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} Dhcp4;
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} EFI_DHCP4_PACKET;
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#pragma pack()
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typedef enum {
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Dhcp4Stopped = 0x0,
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Dhcp4Init = 0x1,
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Dhcp4Selecting = 0x2,
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Dhcp4Requesting = 0x3,
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Dhcp4Bound = 0x4,
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Dhcp4Renewing = 0x5,
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Dhcp4Rebinding = 0x6,
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Dhcp4InitReboot = 0x7,
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Dhcp4Rebooting = 0x8
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} EFI_DHCP4_STATE;
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typedef enum{
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Dhcp4SendDiscover = 0x01,
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Dhcp4RcvdOffer = 0x02,
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Dhcp4SelectOffer = 0x03,
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Dhcp4SendRequest = 0x04,
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Dhcp4RcvdAck = 0x05,
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Dhcp4RcvdNak = 0x06,
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Dhcp4SendDecline = 0x07,
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Dhcp4BoundCompleted = 0x08,
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Dhcp4EnterRenewing = 0x09,
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Dhcp4EnterRebinding = 0x0a,
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Dhcp4AddressLost = 0x0b,
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Dhcp4Fail = 0x0c
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} EFI_DHCP4_EVENT;
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/**
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Callback routine
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@param This Pointer to the EFI DHCPv4 Protocol instance that is used to
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configure this callback function.
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@param Context Pointer to the context that is initialized by
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EFI_DHCP4_PROTOCOL.Configure().
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@param CurrentState The current operational state of the EFI DHCPv4 Protocol
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driver.
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@param Dhcp4Event The event that occurs in the current state, which usually means a
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state transition.
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@param Packet The DHCP packet that is going to be sent or already received.
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@param NewPacket The packet that is used to replace the above Packet.
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@retval EFI_SUCCESS Tells the EFI DHCPv4 Protocol driver to continue the DHCP process.
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@retval EFI_NOT_READY Only used in the Dhcp4Selecting state. The EFI DHCPv4 Protocol
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driver will continue to wait for more DHCPOFFER packets until the retry
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timeout expires.
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@retval EFI_ABORTED Tells the EFI DHCPv4 Protocol driver to abort the current process and
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return to the Dhcp4Init or Dhcp4InitReboot state.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DHCP4_CALLBACK) (
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IN EFI_DHCP4_PROTOCOL *This,
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IN VOID *Context,
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IN EFI_DHCP4_STATE CurrentState,
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IN EFI_DHCP4_EVENT Dhcp4Event,
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IN EFI_DHCP4_PACKET *Packet OPTIONAL,
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OUT EFI_DHCP4_PACKET **NewPacket OPTIONAL
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);
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typedef struct {
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UINT32 DiscoverTryCount;
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UINT32 *DiscoverTimeout;
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UINT32 RequestTryCount;
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UINT32 *RequestTimeout;
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EFI_IPv4_ADDRESS ClientAddress;
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EFI_DHCP4_CALLBACK Dhcp4Callback;
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void *CallbackContext;
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UINT32 OptionCount;
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EFI_DHCP4_PACKET_OPTION **OptionList;
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} EFI_DHCP4_CONFIG_DATA;
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typedef struct {
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EFI_DHCP4_STATE State;
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EFI_DHCP4_CONFIG_DATA ConfigData;
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EFI_IPv4_ADDRESS ClientAddress;
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EFI_MAC_ADDRESS ClientMacAddress;
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EFI_IPv4_ADDRESS ServerAddress;
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EFI_IPv4_ADDRESS RouterAddress;
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EFI_IPv4_ADDRESS SubnetMask;
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UINT32 LeaseTime;
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EFI_DHCP4_PACKET *ReplyPacket;
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} EFI_DHCP4_MODE_DATA;
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typedef struct {
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EFI_IPv4_ADDRESS ListenAddress;
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EFI_IPv4_ADDRESS SubnetMask;
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UINT16 ListenPort;
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} EFI_DHCP4_LISTEN_POINT;
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typedef struct {
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OUT EFI_STATUS Status;
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IN EFI_EVENT CompletionEvent;
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IN EFI_IPv4_ADDRESS RemoteAddress;
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IN UINT16 RemotePort;
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IN EFI_IPv4_ADDRESS GatewayAddress;
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IN UINT32 ListenPointCount;
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IN EFI_DHCP4_LISTEN_POINT *ListenPoints;
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IN UINT32 TimeoutValue;
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IN EFI_DHCP4_PACKET *Packet;
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OUT UINT32 ResponseCount;
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OUT EFI_DHCP4_PACKET *ResponseList;
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} EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN;
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/**
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Returns the current operating mode and cached data packet for the EFI DHCPv4 Protocol driver.
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@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
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@param Dhcp4ModeData Pointer to storage for the EFI_DHCP4_MODE_DATA structure.
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@retval EFI_SUCCESS The mode data was returned.
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@retval EFI_INVALID_PARAMETER This is NULL.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DHCP4_GET_MODE_DATA)(
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IN EFI_DHCP4_PROTOCOL *This,
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OUT EFI_DHCP4_MODE_DATA *Dhcp4ModeData
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)
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;
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/**
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Initializes, changes, or resets the operational settings for the EFI DHCPv4 Protocol driver.
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@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
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@param Dhcp4CfgData Pointer to the EFI_DHCP4_CONFIG_DATA.
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@retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Init or
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Dhcp4InitReboot state, if the original state of this driver
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was Dhcp4Stopped and the value of Dhcp4CfgData was
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not NULL. Otherwise, the state was left unchanged.
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@retval EFI_ACCESS_DENIED This instance of the EFI DHCPv4 Protocol driver was not in the
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Dhcp4Stopped, Dhcp4Init, Dhcp4InitReboot, or Dhcp4Bound state;
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Or onother instance of this EFI DHCPv4 Protocol driver is already
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in a valid configured state.
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@retval EFI_INVALID_PARAMETER Some parameter is NULL.
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@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
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@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DHCP4_CONFIGURE) (
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IN EFI_DHCP4_PROTOCOL *This,
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IN EFI_DHCP4_CONFIG_DATA *Dhcp4CfgData OPTIONAL
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)
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;
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/**
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Starts the DHCP configuration process.
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@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
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@param CompletionEvent If not NULL, indicates the event that will be signaled when the
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EFI DHCPv4 Protocol driver is transferred into the
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Dhcp4Bound state or when the DHCP process is aborted.
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EFI_DHCP4_PROTOCOL.GetModeData() can be called to
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check the completion status. If NULL,
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EFI_DHCP4_PROTOCOL.Start() will wait until the driver
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is transferred into the Dhcp4Bound state or the process fails.
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@retval EFI_SUCCESS The DHCP configuration process has started, or it has completed
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when CompletionEvent is NULL.
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@retval EFI_NOT_STARTED The EFI DHCPv4 Protocol driver is in the Dhcp4Stopped
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state. EFI_DHCP4_PROTOCOL. Configure() needs to be called.
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@retval EFI_INVALID_PARAMETER This is NULL.
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@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
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@retval EFI_TIMEOUT The DHCP configuration process failed because no response was
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received from the server within the specified timeout value.
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@retval EFI_ABORTED The user aborted the DHCP process.
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@retval EFI_ALREADY_STARTED Some other EFI DHCPv4 Protocol instance already started the
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DHCP process.
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@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DHCP4_START) (
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IN EFI_DHCP4_PROTOCOL *This,
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IN EFI_EVENT CompletionEvent OPTIONAL
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)
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;
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/**
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Extends the lease time by sending a request packet.
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@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
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@param RebindRequest If TRUE, this function broadcasts the request packets and enters
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the Dhcp4Rebinding state. Otherwise, it sends a unicast
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request packet and enters the Dhcp4Renewing state.
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@param CompletionEvent If not NULL, this event is signaled when the renew/rebind phase
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completes or some error occurs.
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EFI_DHCP4_PROTOCOL.GetModeData() can be called to
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check the completion status. If NULL,
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EFI_DHCP4_PROTOCOL.RenewRebind() will busy-wait
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until the DHCP process finishes.
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@retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the
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Dhcp4Renewing state or is back to the Dhcp4Bound state.
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@retval EFI_NOT_STARTED The EFI DHCPv4 Protocol driver is in the Dhcp4Stopped
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state. EFI_DHCP4_PROTOCOL.Configure() needs to
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be called.
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@retval EFI_INVALID_PARAMETER This is NULL.
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@retval EFI_TIMEOUT There was no response from the server when the try count was
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exceeded.
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@retval EFI_ACCESS_DENIED The driver is not in the Dhcp4Bound state.
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@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DHCP4_RENEW_REBIND) (
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IN EFI_DHCP4_PROTOCOL *This,
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IN BOOLEAN RebindRequest,
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IN EFI_EVENT CompletionEvent OPTIONAL
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)
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;
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/**
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Releases the current address configuration.
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@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
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@retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Init phase.
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@retval EFI_INVALID_PARAMETER This is NULL.
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@retval EFI_ACCESS_DENIED The EFI DHCPv4 Protocol driver is not Dhcp4InitReboot state.
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@retval EFI_DEVICE_ERROR An unexpected system or network error occurred.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DHCP4_RELEASE) (
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IN EFI_DHCP4_PROTOCOL *This
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)
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;
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/**
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Stops the current address configuration.
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@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
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@retval EFI_SUCCESS The EFI DHCPv4 Protocol driver is now in the Dhcp4Stopped phase.
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@retval EFI_INVALID_PARAMETER This is NULL.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *EFI_DHCP4_STOP) (
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IN EFI_DHCP4_PROTOCOL *This
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)
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;
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/**
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Builds a DHCP packet, given the options to be appended or deleted or replaced.
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@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
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@param SeedPacket Initial packet to be used as a base for building new packet.
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@param DeleteCount Number of opcodes in the DeleteList.
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@param DeleteList List of opcodes to be deleted from the seed packet.
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Ignored if DeleteCount is zero.
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@param AppendCount Number of entries in the OptionList.
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@param AppendList Pointer to a DHCP option list to be appended to SeedPacket.
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If SeedPacket also contains options in this list, they are
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replaced by new options (except pad option). Ignored if
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AppendCount is zero. Type EFI_DHCP4_PACKET_OPTION
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@param NewPacket Pointer to storage for the pointer to the new allocated packet.
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Use the EFI Boot Service FreePool() on the resulting pointer
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when done with the packet.
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||
|
|
@retval EFI_SUCCESS The new packet was built.
|
||
|
|
@retval EFI_OUT_OF_RESOURCES Storage for the new packet could not be allocated.
|
||
|
|
@retval EFI_INVALID_PARAMETER Some parameter is NULL.
|
||
|
|
|
||
|
|
**/
|
||
|
|
typedef
|
||
|
|
EFI_STATUS
|
||
|
|
(EFIAPI *EFI_DHCP4_BUILD) (
|
||
|
|
IN EFI_DHCP4_PROTOCOL *This,
|
||
|
|
IN EFI_DHCP4_PACKET *SeedPacket,
|
||
|
|
IN UINT32 DeleteCount,
|
||
|
|
IN UINT8 *DeleteList OPTIONAL,
|
||
|
|
IN UINT32 AppendCount,
|
||
|
|
IN EFI_DHCP4_PACKET_OPTION *AppendList[] OPTIONAL,
|
||
|
|
OUT EFI_DHCP4_PACKET **NewPacket
|
||
|
|
);
|
||
|
|
;
|
||
|
|
|
||
|
|
/**
|
||
|
|
Transmits a DHCP formatted packet and optionally waits for responses.
|
||
|
|
|
||
|
|
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
|
||
|
|
@param Token Pointer to the EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN structure.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS The packet was successfully queued for transmission.
|
||
|
|
@retval EFI_INVALID_PARAMETER Some parameter is NULL.
|
||
|
|
@retval EFI_NOT_READY The previous call to this function has not finished yet. Try to call
|
||
|
|
this function after collection process completes.
|
||
|
|
@retval EFI_NO_MAPPING The default station address is not available yet.
|
||
|
|
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
|
||
|
|
@retval Others Some other unexpected error occurred.
|
||
|
|
|
||
|
|
**/
|
||
|
|
typedef
|
||
|
|
EFI_STATUS
|
||
|
|
(EFIAPI *EFI_DHCP4_TRANSMIT_RECEIVE) (
|
||
|
|
IN EFI_DHCP4_PROTOCOL *This,
|
||
|
|
IN EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN *Token
|
||
|
|
)
|
||
|
|
;
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
Parses the packed DHCP option data.
|
||
|
|
|
||
|
|
@param This Pointer to the EFI_DHCP4_PROTOCOL instance.
|
||
|
|
@param Packet Pointer to packet to be parsed.
|
||
|
|
@param OptionCount On input, the number of entries in the PacketOptionList.
|
||
|
|
On output, the number of entries that were written into the
|
||
|
|
PacketOptionList.
|
||
|
|
@param PacketOptionList List of packet option entries to be filled in. End option or pad
|
||
|
|
options are not included.
|
||
|
|
|
||
|
|
@retval EFI_SUCCESS The packet was successfully parsed.
|
||
|
|
@retval EFI_INVALID_PARAMETER Some parameter is NULL.
|
||
|
|
@retval EFI_BUFFER_TOO_SMALL One or more of the following conditions is TRUE:
|
||
|
|
1) *OptionCount is smaller than the number of options that
|
||
|
|
were found in the Packet.
|
||
|
|
2) PacketOptionList is NULL.
|
||
|
|
|
||
|
|
**/
|
||
|
|
typedef
|
||
|
|
EFI_STATUS
|
||
|
|
(EFIAPI *EFI_DHCP4_PARSE) (
|
||
|
|
IN EFI_DHCP4_PROTOCOL *This,
|
||
|
|
IN EFI_DHCP4_PACKET *Packet,
|
||
|
|
IN OUT UINT32 *OptionCount,
|
||
|
|
OUT EFI_DHCP4_PACKET_OPTION *PacketOptionList[] OPTIONAL
|
||
|
|
)
|
||
|
|
;
|
||
|
|
|
||
|
|
|
||
|
|
struct _EFI_DHCP4_PROTOCOL {
|
||
|
|
EFI_DHCP4_GET_MODE_DATA GetModeData;
|
||
|
|
EFI_DHCP4_CONFIGURE Configure;
|
||
|
|
EFI_DHCP4_START Start;
|
||
|
|
EFI_DHCP4_RENEW_REBIND RenewRebind;
|
||
|
|
EFI_DHCP4_RELEASE Release;
|
||
|
|
EFI_DHCP4_STOP Stop;
|
||
|
|
EFI_DHCP4_BUILD Build;
|
||
|
|
EFI_DHCP4_TRANSMIT_RECEIVE TransmitReceive;
|
||
|
|
EFI_DHCP4_PARSE Parse;
|
||
|
|
};
|
||
|
|
|
||
|
|
extern EFI_GUID gEfiDhcp4ProtocolGuid;
|
||
|
|
extern EFI_GUID gEfiDhcp4ServiceBindingProtocolGuid;
|
||
|
|
|
||
|
|
#endif
|