/** @file
Dhcp6 internal functions declaration.
Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
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.
**/
#ifndef __EFI_DHCP6_IO_H__
#define __EFI_DHCP6_IO_H__
/**
Clean up the specific nodes in the retry list.
@param[in] Instance The pointer to the Dhcp6 instance.
@param[in] Scope The scope of cleanup nodes.
**/
VOID
Dhcp6CleanupRetry (
IN DHCP6_INSTANCE *Instance,
IN UINT32 Scope
);
/**
Clean up the session of the instance stateful exchange.
@param[in, out] Instance The pointer to the Dhcp6 instance.
@param[in] Status The return status from udp.
**/
VOID
Dhcp6CleanupSession (
IN OUT DHCP6_INSTANCE *Instance,
IN EFI_STATUS Status
);
/**
Create the solicit message and send it.
@param[in] Instance The pointer to Dhcp6 instance.
@retval EFI_SUCCESS Create and send the solicit message successfully.
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
@retval Others Failed to send the solicit message.
**/
EFI_STATUS
Dhcp6SendSolicitMsg (
IN DHCP6_INSTANCE *Instance
);
/**
Create the request message and send it.
@param[in] Instance The pointer to the Dhcp6 instance.
@retval EFI_SUCCESS Create and send the request message successfully.
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
@retval EFI_DEVICE_ERROR An unexpected error.
@retval Others Failed to send the request message.
**/
EFI_STATUS
Dhcp6SendRequestMsg (
IN DHCP6_INSTANCE *Instance
);
/**
Create the renew/rebind message and send it.
@param[in] Instance The pointer to the Dhcp6 instance.
@param[in] RebindRequest If TRUE, it is a Rebind type message.
Otherwise, it is a Renew type message.
@retval EFI_SUCCESS Create and send the renew/rebind message successfully.
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
@retval EFI_DEVICE_ERROR An unexpected error.
@retval Others Failed to send the renew/rebind message.
**/
EFI_STATUS
Dhcp6SendRenewRebindMsg (
IN DHCP6_INSTANCE *Instance,
IN BOOLEAN RebindRequest
);
/**
Create the decline message and send it.
@param[in] Instance The pointer to the Dhcp6 instance.
@param[in] DecIa The pointer to the decline Ia.
@retval EFI_SUCCESS Create and send the decline message successfully.
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
@retval EFI_DEVICE_ERROR An unexpected error.
@retval Others Failed to send the decline message.
**/
EFI_STATUS
Dhcp6SendDeclineMsg (
IN DHCP6_INSTANCE *Instance,
IN EFI_DHCP6_IA *DecIa
);
/**
Create the release message and send it.
@param[in] Instance The pointer to the Dhcp6 instance.
@param[in] RelIa The pointer to the release Ia.
@retval EFI_SUCCESS Create and send the release message successfully.
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
@retval EFI_DEVICE_ERROR An unexpected error.
@retval Others Failed to send the release message.
**/
EFI_STATUS
Dhcp6SendReleaseMsg (
IN DHCP6_INSTANCE *Instance,
IN EFI_DHCP6_IA *RelIa
);
/**
Start the information request process.
@param[in] Instance The pointer to the Dhcp6 instance.
@param[in] SendClientId If TRUE, the client identifier option will be included in
information request message. Otherwise, the client identifier
option will not be included.
@param[in] OptionRequest The pointer to the option request option.
@param[in] OptionCount The number options in the OptionList.
@param[in] OptionList The array pointers to the appended options.
@param[in] Retransmission The pointer to the retransmission control.
@param[in] TimeoutEvent The event of timeout.
@param[in] ReplyCallback The callback function when the reply was received.
@param[in] CallbackContext The pointer to the parameter passed to the callback.
@retval EFI_SUCCESS Start the info-request process successfully.
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
@retval EFI_NO_MAPPING No source address is available for use.
@retval Others Failed to start the info-request process.
**/
EFI_STATUS
Dhcp6StartInfoRequest (
IN DHCP6_INSTANCE *Instance,
IN BOOLEAN SendClientId,
IN EFI_DHCP6_PACKET_OPTION *OptionRequest,
IN UINT32 OptionCount,
IN EFI_DHCP6_PACKET_OPTION *OptionList[] OPTIONAL,
IN EFI_DHCP6_RETRANSMISSION *Retransmission,
IN EFI_EVENT TimeoutEvent OPTIONAL,
IN EFI_DHCP6_INFO_CALLBACK ReplyCallback,
IN VOID *CallbackContext OPTIONAL
);
/**
Create the information request message and send it.
@param[in] Instance The pointer to the Dhcp6 instance.
@param[in] InfCb The pointer to the information request control block.
@param[in] SendClientId If TRUE, the client identifier option will be included in
information request message. Otherwise, the client identifier
option will not be included.
@param[in] OptionRequest The pointer to the option request option.
@param[in] OptionCount The number options in the OptionList.
@param[in] OptionList The array pointers to the appended options.
@param[in] Retransmission The pointer to the retransmission control.
@retval EFI_SUCCESS Create and send the info-request message successfully.
@retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
@retval Others Failed to send the info-request message.
**/
EFI_STATUS
Dhcp6SendInfoRequestMsg (
IN DHCP6_INSTANCE *Instance,
IN DHCP6_INF_CB *InfCb,
IN BOOLEAN SendClientId,
IN EFI_DHCP6_PACKET_OPTION *OptionRequest,
IN UINT32 OptionCount,
IN EFI_DHCP6_PACKET_OPTION *OptionList[],
IN EFI_DHCP6_RETRANSMISSION *Retransmission
);
/**
The receive callback function for the Dhcp6 exchange process.
@param[in] Udp6Wrap 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
Dhcp6ReceivePacket (
IN NET_BUF *Udp6Wrap,
IN UDP_END_POINT *EndPoint,
IN EFI_STATUS IoStatus,
IN VOID *Context
);
/**
The timer routine of the Dhcp6 instance for each second.
@param[in] Event The timer event.
@param[in] Context The opaque parameter to the function.
**/
VOID
EFIAPI
Dhcp6OnTimerTick (
IN EFI_EVENT Event,
IN VOID *Context
);
#endif