mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-25 16:37:42 +01:00
355 lines
10 KiB
C
355 lines
10 KiB
C
/** @file
|
|
Dhcp6 support functions declaration.
|
|
|
|
Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
|
|
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#ifndef __EFI_DHCP6_UTILITY_H__
|
|
#define __EFI_DHCP6_UTILITY_H__
|
|
|
|
|
|
#define DHCP6_10_BIT_MASK 0x3ff
|
|
#define DHCP6_DAD_ADDITIONAL_DELAY 30000000 // 3 seconds
|
|
|
|
/**
|
|
Generate client Duid in the format of Duid-llt.
|
|
|
|
@param[in] Mode The pointer to the mode of SNP.
|
|
|
|
@retval NULL if failed to generate client Id.
|
|
@retval Others The pointer to the new client id.
|
|
|
|
**/
|
|
EFI_DHCP6_DUID *
|
|
Dhcp6GenerateClientId (
|
|
IN EFI_SIMPLE_NETWORK_MODE *Mode
|
|
);
|
|
|
|
/**
|
|
Copy the Dhcp6 configure data.
|
|
|
|
@param[in] DstCfg The pointer to the destination configure data.
|
|
@param[in] SorCfg The pointer to the source configure data.
|
|
|
|
@retval EFI_SUCCESS Copy the content from SorCfg from DstCfg successfully.
|
|
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
Dhcp6CopyConfigData (
|
|
IN EFI_DHCP6_CONFIG_DATA *DstCfg,
|
|
IN EFI_DHCP6_CONFIG_DATA *SorCfg
|
|
);
|
|
|
|
/**
|
|
Clean up the configure data.
|
|
|
|
@param[in, out] CfgData The pointer to the configure data.
|
|
|
|
**/
|
|
VOID
|
|
Dhcp6CleanupConfigData (
|
|
IN OUT EFI_DHCP6_CONFIG_DATA *CfgData
|
|
);
|
|
|
|
/**
|
|
Clean up the mode data.
|
|
|
|
@param[in, out] ModeData The pointer to the mode data.
|
|
|
|
**/
|
|
VOID
|
|
Dhcp6CleanupModeData (
|
|
IN OUT EFI_DHCP6_MODE_DATA *ModeData
|
|
);
|
|
|
|
/**
|
|
Calculate the expire time by the algorithm defined in rfc.
|
|
|
|
@param[in] Base The base value of the time.
|
|
@param[in] IsFirstRt If TRUE, it is the first time to calculate expire time.
|
|
@param[in] NeedSigned If TRUE, the the signed factor is needed.
|
|
|
|
@return Expire The calculated result for the new expire time.
|
|
|
|
**/
|
|
UINT32
|
|
Dhcp6CalculateExpireTime (
|
|
IN UINT32 Base,
|
|
IN BOOLEAN IsFirstRt,
|
|
IN BOOLEAN NeedSigned
|
|
);
|
|
|
|
/**
|
|
Calculate the lease time by the algorithm defined in rfc.
|
|
|
|
@param[in] IaCb The pointer to the Ia control block.
|
|
|
|
**/
|
|
VOID
|
|
Dhcp6CalculateLeaseTime (
|
|
IN DHCP6_IA_CB *IaCb
|
|
);
|
|
|
|
/**
|
|
Check whether the addresses are all included by the configured Ia.
|
|
|
|
@param[in] Ia The pointer to the Ia.
|
|
@param[in] AddressCount The number of addresses.
|
|
@param[in] Addresses The pointer to the addresses buffer.
|
|
|
|
@retval EFI_SUCCESS The addresses are all included by the configured IA.
|
|
@retval EFI_NOT_FOUND The addresses are not included by the configured IA.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
Dhcp6CheckAddress (
|
|
IN EFI_DHCP6_IA *Ia,
|
|
IN UINT32 AddressCount,
|
|
IN EFI_IPv6_ADDRESS *Addresses
|
|
);
|
|
|
|
/**
|
|
Deprive the addresses from current Ia, and generate another eliminated Ia.
|
|
|
|
@param[in] Ia The pointer to the Ia.
|
|
@param[in] AddressCount The number of addresses.
|
|
@param[in] Addresses The pointer to the addresses buffer.
|
|
|
|
@retval NULL If failed to generate the deprived Ia.
|
|
@retval others The pointer to the deprived Ia.
|
|
|
|
**/
|
|
EFI_DHCP6_IA *
|
|
Dhcp6DepriveAddress (
|
|
IN EFI_DHCP6_IA *Ia,
|
|
IN UINT32 AddressCount,
|
|
IN EFI_IPv6_ADDRESS *Addresses
|
|
);
|
|
|
|
/**
|
|
The dummy ext buffer free callback routine.
|
|
|
|
@param[in] Arg The pointer to the parameter.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
Dhcp6DummyExtFree (
|
|
IN VOID *Arg
|
|
);
|
|
|
|
/**
|
|
The callback routine once message transmitted.
|
|
|
|
@param[in] Wrap The pointer to the received net buffer.
|
|
@param[in] EndPoint The pointer to the udp end point.
|
|
@param[in] IoStatus The return status from udp io.
|
|
@param[in] Context The opaque parameter to the function.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
Dhcp6OnTransmitted (
|
|
IN NET_BUF *Wrap,
|
|
IN UDP_END_POINT *EndPoint,
|
|
IN EFI_STATUS IoStatus,
|
|
IN VOID *Context
|
|
);
|
|
|
|
/**
|
|
Append the appointed option to the buf, and move the buf to the end.
|
|
|
|
@param[in, out] Buf The pointer to buffer.
|
|
@param[in] OptType The option type.
|
|
@param[in] OptLen The lenght of option content.s
|
|
@param[in] Data The pointer to the option content.
|
|
|
|
@return Buf The position to append the next option.
|
|
|
|
**/
|
|
UINT8 *
|
|
Dhcp6AppendOption (
|
|
IN OUT UINT8 *Buf,
|
|
IN UINT16 OptType,
|
|
IN UINT16 OptLen,
|
|
IN UINT8 *Data
|
|
);
|
|
|
|
/**
|
|
Append the Ia option to Buf, and move Buf to the end.
|
|
|
|
@param[in, out] Buf The pointer to the position to append.
|
|
@param[in] Ia The pointer to the Ia.
|
|
@param[in] T1 The time of T1.
|
|
@param[in] T2 The time of T2.
|
|
@param[in] MessageType Message type of DHCP6 package.
|
|
|
|
@return Buf The position to append the next Ia option.
|
|
|
|
**/
|
|
UINT8 *
|
|
Dhcp6AppendIaOption (
|
|
IN OUT UINT8 *Buf,
|
|
IN EFI_DHCP6_IA *Ia,
|
|
IN UINT32 T1,
|
|
IN UINT32 T2,
|
|
IN UINT32 MessageType
|
|
);
|
|
|
|
/**
|
|
Append the appointed Elapsed time option to Buf, and move Buf to the end.
|
|
|
|
@param[in, out] Buf The pointer to the position to append.
|
|
@param[in] Instance The pointer to the Dhcp6 instance.
|
|
@param[out] Elapsed The pointer to the elapsed time value in
|
|
the generated packet.
|
|
|
|
@return Buf The position to append the next Ia option.
|
|
|
|
**/
|
|
UINT8 *
|
|
Dhcp6AppendETOption (
|
|
IN OUT UINT8 *Buf,
|
|
IN DHCP6_INSTANCE *Instance,
|
|
OUT UINT16 **Elapsed
|
|
);
|
|
|
|
/**
|
|
Set the elapsed time based on the given instance and the pointer to the
|
|
elapsed time option.
|
|
|
|
@param[in] Elapsed The pointer to the position to append.
|
|
@param[in] Instance The pointer to the Dhcp6 instance.
|
|
**/
|
|
VOID
|
|
SetElapsedTime (
|
|
IN UINT16 *Elapsed,
|
|
IN DHCP6_INSTANCE *Instance
|
|
);
|
|
|
|
/**
|
|
Seek the address of the first byte of the option header.
|
|
|
|
@param[in] Buf The pointer to buffer.
|
|
@param[in] SeekLen The length to seek.
|
|
@param[in] OptType The option type.
|
|
|
|
@retval NULL If failed to seek the option.
|
|
@retval others The position to the option.
|
|
|
|
**/
|
|
UINT8 *
|
|
Dhcp6SeekOption (
|
|
IN UINT8 *Buf,
|
|
IN UINT32 SeekLen,
|
|
IN UINT16 OptType
|
|
);
|
|
|
|
/**
|
|
Seek the address of the first byte of the Ia option header.
|
|
|
|
@param[in] Buf The pointer to the buffer.
|
|
@param[in] SeekLen The length to seek.
|
|
@param[in] IaDesc The pointer to the Ia descriptor.
|
|
|
|
@retval NULL If failed to seek the Ia option.
|
|
@retval others The position to the Ia option.
|
|
|
|
**/
|
|
UINT8 *
|
|
Dhcp6SeekIaOption (
|
|
IN UINT8 *Buf,
|
|
IN UINT32 SeekLen,
|
|
IN EFI_DHCP6_IA_DESCRIPTOR *IaDesc
|
|
);
|
|
|
|
/**
|
|
Parse the address option and update the address info.
|
|
|
|
@param[in] CurrentIa The pointer to the Ia Address in control blcok.
|
|
@param[in] IaInnerOpt The pointer to the buffer.
|
|
@param[in] IaInnerLen The length to parse.
|
|
@param[out] AddrNum The number of addresses.
|
|
@param[in, out] AddrBuf The pointer to the address buffer.
|
|
|
|
**/
|
|
VOID
|
|
Dhcp6ParseAddrOption (
|
|
IN EFI_DHCP6_IA *CurrentIa,
|
|
IN UINT8 *IaInnerOpt,
|
|
IN UINT16 IaInnerLen,
|
|
OUT UINT32 *AddrNum,
|
|
IN OUT EFI_DHCP6_IA_ADDRESS *AddrBuf
|
|
);
|
|
|
|
/**
|
|
Create a control blcok for the Ia according to the corresponding options.
|
|
|
|
@param[in] Instance The pointer to DHCP6 Instance.
|
|
@param[in] IaInnerOpt The pointer to the inner options in the Ia option.
|
|
@param[in] IaInnerLen The length of all the inner options in the Ia option.
|
|
@param[in] T1 T1 time in the Ia option.
|
|
@param[in] T2 T2 time in the Ia option.
|
|
|
|
@retval EFI_NOT_FOUND No valid IA option is found.
|
|
@retval EFI_SUCCESS Create an IA control block successfully.
|
|
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
|
|
@retval EFI_DEVICE_ERROR An unexpected error.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
Dhcp6GenerateIaCb (
|
|
IN DHCP6_INSTANCE *Instance,
|
|
IN UINT8 *IaInnerOpt,
|
|
IN UINT16 IaInnerLen,
|
|
IN UINT32 T1,
|
|
IN UINT32 T2
|
|
);
|
|
|
|
|
|
/**
|
|
Cache the current IA configuration information.
|
|
|
|
@param[in] Instance The pointer to DHCP6 Instance.
|
|
|
|
@retval EFI_SUCCESS Cache the current IA successfully.
|
|
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
Dhcp6CacheIa (
|
|
IN DHCP6_INSTANCE *Instance
|
|
);
|
|
|
|
|
|
/**
|
|
Append CacheIa to the currrent IA. Meanwhile, clear CacheIa.ValidLifetime to 0.
|
|
|
|
@param[in] Instance The pointer to DHCP6 instance.
|
|
|
|
**/
|
|
VOID
|
|
Dhcp6AppendCacheIa (
|
|
IN DHCP6_INSTANCE *Instance
|
|
);
|
|
|
|
/**
|
|
Calculate the Dhcp6 get mapping timeout by adding additinal delay to the IP6 DAD transmits count.
|
|
|
|
@param[in] Ip6Cfg The pointer to Ip6 config protocol.
|
|
@param[out] TimeOut The time out value in 100ns units.
|
|
|
|
@retval EFI_INVALID_PARAMETER Input parameters are invalid.
|
|
@retval EFI_SUCCESS Calculate the time out value successfully.
|
|
**/
|
|
EFI_STATUS
|
|
Dhcp6GetMappingTimeOut (
|
|
IN EFI_IP6_CONFIG_PROTOCOL *Ip6Cfg,
|
|
OUT UINTN *TimeOut
|
|
);
|
|
#endif
|