4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/** @file
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Dhcp6 support functions implementation.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync This program and the accompanying materials
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync are licensed and made available under the terms and conditions of the BSD License
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync which accompanies this distribution. The full text of the license may be found at
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync http://opensource.org/licenses/bsd-license.php.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include "Dhcp6Impl.h"
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Generate client Duid in the format of Duid-llt.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Mode The pointer to the mode of SNP.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval NULL If it failed to generate a client Id.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval others The pointer to the new client id.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_DHCP6_DUID *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6GenerateClientId (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_SIMPLE_NETWORK_MODE *Mode
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_STATUS Status;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DHCP6_DUID *Duid;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_TIME Time;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT32 Stamp;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_GUID Uuid;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Attempt to get client Id from variable to keep it constant.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // See details in section-9 of rfc-3315.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Duid = GetVariable (L"ClientId", &gEfiDhcp6ServiceBindingProtocolGuid);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Duid != NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return Duid;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The format of client identifier option:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | OPTION_CLIENTID | option-len |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // . .
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // . DUID .
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // . (variable length) .
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // . .
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // If System UUID is found from SMBIOS Table, use DUID-UUID type.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (!EFI_ERROR (NetLibGetSystemGuid (&Uuid))) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The format of DUID-UUID:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | DUID-Type (4) | UUID (128 bits) |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // sizeof (option-len + Duid-type + UUID-size) = 20 bytes
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Duid = AllocateZeroPool (2 + 2 + sizeof (EFI_GUID));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Duid == NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // sizeof (Duid-type + UUID-size) = 18 bytes
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Duid->Length = (UINT16) (18);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Set the Duid-type and copy UUID.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteUnaligned16 ((UINT16 *) (Duid->Duid), HTONS (Dhcp6DuidTypeUuid));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (Duid->Duid + 2, &Uuid, sizeof(EFI_GUID));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The format of DUID-LLT:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | Duid type (1) | hardware type (16 bits) |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | time (32 bits) |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // . .
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // . link-layer address (variable length) .
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // . .
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Generate a time stamp of the seconds from 2000/1/1, assume 30day/month.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync gRT->GetTime (&Time, NULL);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Stamp = (UINT32)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (((((Time.Year - 2000) * 360 + (Time.Month - 1)) * 30 + (Time.Day - 1)) * 24 + Time.Hour) * 60 + Time.Minute) *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 60 +
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Time.Second
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // sizeof (option-len + Duid-type + hardware-type + time) = 10 bytes
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Duid = AllocateZeroPool (10 + Mode->HwAddressSize);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Duid == NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // sizeof (Duid-type + hardware-type + time) = 8 bytes
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Duid->Length = (UINT16) (Mode->HwAddressSize + 8);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Set the Duid-type, hardware-type, time and copy the hardware address.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteUnaligned16 ((UINT16 *) (Duid->Duid), HTONS (Dhcp6DuidTypeLlt));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteUnaligned16 ((UINT16 *) (Duid->Duid + 2), HTONS (NET_IFTYPE_ETHERNET));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteUnaligned32 ((UINT32 *) (Duid->Duid + 4), HTONL (Stamp));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (Duid->Duid + 8, &Mode->CurrentAddress, Mode->HwAddressSize);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Status = gRT->SetVariable (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync L"ClientId",
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &gEfiDhcp6ServiceBindingProtocolGuid,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS),
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Duid->Length + 2,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (VOID *) Duid
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ASSERT_EFI_ERROR (Status);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return Duid;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Copy the Dhcp6 configure data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] DstCfg The pointer to the destination configure data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] SorCfg The pointer to the source configure data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Copy the content from SorCfg from DstCfg successfully.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6CopyConfigData (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_DHCP6_CONFIG_DATA *DstCfg,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_DHCP6_CONFIG_DATA *SorCfg
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN Index;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN OptionListSize;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN OptionSize;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (DstCfg, SorCfg, sizeof (EFI_DHCP6_CONFIG_DATA));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Allocate another buffer for solicitretransmission, and copy it.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (SorCfg->SolicitRetransmission != NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync DstCfg->SolicitRetransmission = AllocateZeroPool (sizeof (EFI_DHCP6_RETRANSMISSION));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (DstCfg->SolicitRetransmission == NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Error will be handled out of this function.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_OUT_OF_RESOURCES;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync DstCfg->SolicitRetransmission,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync SorCfg->SolicitRetransmission,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync sizeof (EFI_DHCP6_RETRANSMISSION)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (SorCfg->OptionList != NULL && SorCfg->OptionCount != 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OptionListSize = SorCfg->OptionCount * sizeof (EFI_DHCP6_PACKET_OPTION *);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync DstCfg->OptionList = AllocateZeroPool (OptionListSize);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (DstCfg->OptionList == NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Error will be handled out of this function.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_OUT_OF_RESOURCES;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (Index = 0; Index < SorCfg->OptionCount; Index++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OptionSize = NTOHS (SorCfg->OptionList[Index]->OpLen) + 4;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync DstCfg->OptionList[Index] = AllocateZeroPool (OptionSize);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (DstCfg->OptionList[Index] == NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Error will be handled out of this function.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_OUT_OF_RESOURCES;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync DstCfg->OptionList[Index],
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync SorCfg->OptionList[Index],
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OptionSize
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Clean up the configure data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in, out] CfgData The pointer to the configure data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6CleanupConfigData (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN OUT EFI_DHCP6_CONFIG_DATA *CfgData
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN Index;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ASSERT (CfgData != NULL);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Clean up all fields in config data including the reference buffers, but do
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // not free the config data buffer itself.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (CfgData->OptionList != NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (Index = 0; Index < CfgData->OptionCount; Index++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (CfgData->OptionList[Index] != NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync FreePool (CfgData->OptionList[Index]);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync FreePool (CfgData->OptionList);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (CfgData->SolicitRetransmission != NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync FreePool (CfgData->SolicitRetransmission);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ZeroMem (CfgData, sizeof (EFI_DHCP6_CONFIG_DATA));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Clean up the mode data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in, out] ModeData The pointer to the mode data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6CleanupModeData (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN OUT EFI_DHCP6_MODE_DATA *ModeData
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ASSERT (ModeData != NULL);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Clean up all fields in mode data including the reference buffers, but do
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // not free the mode data buffer itself.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (ModeData->ClientId != NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync FreePool (ModeData->ClientId);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (ModeData->Ia != NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (ModeData->Ia->ReplyPacket != NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync FreePool (ModeData->Ia->ReplyPacket);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync FreePool (ModeData->Ia);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ZeroMem (ModeData, sizeof (EFI_DHCP6_MODE_DATA));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Calculate the expire time by the algorithm defined in rfc.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Base The base value of the time.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] IsFirstRt If TRUE, it is the first time to calculate expire time.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] NeedSigned If TRUE, the the signed factor is needed.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return Expire The calculated result for the new expire time.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncUINT32
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6CalculateExpireTime (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT32 Base,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN BOOLEAN IsFirstRt,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN BOOLEAN NeedSigned
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_TIME Time;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync BOOLEAN Signed;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT32 Seed;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT32 Expire;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Take the 10bits of microsecond in system time as a uniform distribution.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Take the 10th bit as a flag to determine it's signed or not.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync gRT->GetTime (&Time, NULL);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Seed = ((Time.Nanosecond >> 10) & DHCP6_10_BIT_MASK);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Signed = (BOOLEAN) ((((Time.Nanosecond >> 9) & 0x01) != 0) ? TRUE : FALSE);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Signed = (BOOLEAN) (NeedSigned ? Signed : FALSE);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Calculate expire by the following algo:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // 1. base + base * (-0.1 ~ 0) for the first solicit
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // 2. base + base * (-0.1 ~ 0.1) for the first other messages
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // 3. 2 * base + base * (-0.1 ~ 0.1) for the subsequent all messages
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // 4. base + base * (-0.1 ~ 0) for the more than mrt timeout
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The (Seed / 0x3ff / 10) is used to a random range (0, 0.1).
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (IsFirstRt && Signed) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Expire = Base - (UINT32) (Base * Seed / DHCP6_10_BIT_MASK / 10);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else if (IsFirstRt && !Signed) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Expire = Base + (UINT32) (Base * Seed / DHCP6_10_BIT_MASK / 10);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else if (!IsFirstRt && Signed) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Expire = 2 * Base - (UINT32) (Base * Seed / DHCP6_10_BIT_MASK / 10);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Expire = 2 * Base + (UINT32) (Base * Seed / DHCP6_10_BIT_MASK / 10);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Expire = (Expire != 0) ? Expire : 1;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return Expire;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Calculate the lease time by the algorithm defined in rfc.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] IaCb The pointer to the Ia control block.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6CalculateLeaseTime (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN DHCP6_IA_CB *IaCb
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DHCP6_IA_ADDRESS *IaAddr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT32 MinLt;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT32 MaxLt;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN Index;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ASSERT (IaCb->Ia->IaAddressCount > 0);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync MinLt = (UINT32) (-1);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync MaxLt = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Calculate minlt as min of all valid life time, and maxlt as max of all
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // valid life time.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (Index = 0; Index < IaCb->Ia->IaAddressCount; Index++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IaAddr = IaCb->Ia->IaAddress + Index * sizeof (EFI_DHCP6_IA_ADDRESS);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync MinLt = MIN (MinLt, IaAddr->ValidLifetime);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync MaxLt = MAX (MinLt, IaAddr->ValidLifetime);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Take 50% minlt as t1, and 80% maxlt as t2 if Dhcp6 server doesn't offer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // such information.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IaCb->T1 = (IaCb->T1 != 0) ? IaCb->T1 : (UINT32)(MinLt * 5 / 10);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IaCb->T2 = (IaCb->T2 != 0) ? IaCb->T2 : (UINT32)(MinLt * 8 / 10);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IaCb->AllExpireTime = MaxLt;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IaCb->LeaseTime = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Check whether the addresses are all included by the configured Ia.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Ia The pointer to the Ia.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] AddressCount The number of addresses.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Addresses The pointer to the addresses buffer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS The addresses are all included by the configured IA.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_NOT_FOUND The addresses are not included by the configured IA.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6CheckAddress (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_DHCP6_IA *Ia,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT32 AddressCount,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_IPv6_ADDRESS *Addresses
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN Index1;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN Index2;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync BOOLEAN Found;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Check whether the addresses are all included by the configured IA. And it
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // will return success if address count is zero, which means all addresses.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (Index1 = 0; Index1 < AddressCount; Index1++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Found = FALSE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (Index2 = 0; Index2 < Ia->IaAddressCount; Index2++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (CompareMem (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &Addresses[Index1],
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &Ia->IaAddress[Index2],
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync sizeof (EFI_IPv6_ADDRESS)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ) == 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Found = TRUE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (!Found) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_NOT_FOUND;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Deprive the addresses from current Ia, and generate another eliminated Ia.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Ia The pointer to the Ia.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] AddressCount The number of addresses.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Addresses The pointer to the addresses buffer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval NULL If it failed to generate the deprived Ia.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval others The pointer to the deprived Ia.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_DHCP6_IA *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6DepriveAddress (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_DHCP6_IA *Ia,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT32 AddressCount,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_IPv6_ADDRESS *Addresses
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DHCP6_IA *IaCopy;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN IaCopySize;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN Index1;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN Index2;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync BOOLEAN Found;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (AddressCount == 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // It means release all Ia addresses if address count is zero.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync AddressCount = Ia->IaAddressCount;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ASSERT (AddressCount != 0);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IaCopySize = sizeof (EFI_DHCP6_IA) + (AddressCount - 1) * sizeof (EFI_DHCP6_IA_ADDRESS);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IaCopy = AllocateZeroPool (IaCopySize);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (IaCopy == NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (AddressCount == Ia->IaAddressCount) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // If release all Ia addresses, just copy the configured Ia and then set
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // its address count as zero.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // We may decline/release part of addresses at the begining. So it's a
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // forwarding step to update address infor for decline/release, while the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // other infor such as Ia state will be updated when receiving reply.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (IaCopy, Ia, IaCopySize);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Ia->IaAddressCount = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return IaCopy;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (IaCopy, Ia, sizeof (EFI_DHCP6_IA));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Move the addresses from the Ia of instance to the deprived Ia.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (Index1 = 0; Index1 < AddressCount; Index1++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Found = FALSE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (Index2 = 0; Index2 < Ia->IaAddressCount; Index2++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (CompareMem (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &Addresses[Index1],
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &Ia->IaAddress[Index2],
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync sizeof (EFI_IPv6_ADDRESS)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ) == 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Copy the deprived address to the copy of Ia
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &IaCopy->IaAddress[Index1],
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &Ia->IaAddress[Index2],
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync sizeof (EFI_DHCP6_IA_ADDRESS)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Delete the deprived address from the instance Ia
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Index2 + 1 < Ia->IaAddressCount) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &Ia->IaAddress[Index2],
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &Ia->IaAddress[Index2 + 1],
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (Ia->IaAddressCount - Index2 - 1) * sizeof (EFI_DHCP6_IA_ADDRESS)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Found = TRUE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ASSERT (Found == TRUE);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Ia->IaAddressCount -= AddressCount;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IaCopy->IaAddressCount = AddressCount;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return IaCopy;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync The dummy ext buffer free callback routine.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Arg The pointer to the parameter.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6DummyExtFree (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN VOID *Arg
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync The callback routine once message transmitted.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Wrap The pointer to the received net buffer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] EndPoint The pointer to the udp end point.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] IoStatus The return status from udp io.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Context The opaque parameter to the function.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6OnTransmitted (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN NET_BUF *Wrap,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UDP_END_POINT *EndPoint,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_STATUS IoStatus,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN VOID *Context
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NetbufFree (Wrap);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Append the option to Buf, and move Buf to the end.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in, out] Buf The pointer to the buffer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] OptType The option type.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] OptLen The length of option contents.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Data The pointer to the option content.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return Buf The position to append the next option.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncUINT8 *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6AppendOption (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN OUT UINT8 *Buf,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT16 OptType,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT16 OptLen,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT8 *Data
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The format of Dhcp6 option:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | option-code | option-len (option data) |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | option-data |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | (option-len octets) |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ASSERT (OptLen != 0);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteUnaligned16 ((UINT16 *) Buf, OptType);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Buf += 2;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteUnaligned16 ((UINT16 *) Buf, OptLen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Buf += 2;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (Buf, Data, NTOHS (OptLen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Buf += NTOHS (OptLen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return Buf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Append the appointed Ia option to Buf, and move Buf to the end.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in, out] Buf The pointer to the position to append.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Ia The pointer to the Ia.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] T1 The time of T1.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] T2 The time of T2.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return Buf The position to append the next Ia option.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncUINT8 *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6AppendIaOption (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN OUT UINT8 *Buf,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_DHCP6_IA *Ia,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT32 T1,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT32 T2
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT8 *AddrOpt;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT16 *Len;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN Index;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT16 Length;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The format of IA_NA and IA_TA option:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | OPTION_IA_NA | option-len |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | IAID (4 octets) |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | T1 (only for IA_NA) |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | T2 (only for IA_NA) |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // . IA_NA-options/IA_TA-options .
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // . .
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Fill the value of Ia option type
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteUnaligned16 ((UINT16 *) Buf, HTONS (Ia->Descriptor.Type));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Buf += 2;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Fill the len of Ia option later, keep the pointer first
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Len = (UINT16 *) Buf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Buf += 2;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Fill the value of iaid
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteUnaligned32 ((UINT32 *) Buf, HTONL (Ia->Descriptor.IaId));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Buf += 4;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Fill the value of t1 and t2 if iana, keep it 0xffffffff if no specified.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Ia->Descriptor.Type == Dhcp6OptIana) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteUnaligned32 ((UINT32 *) Buf, ((T1 != 0) ? T1 : 0xffffffff));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Buf += 4;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteUnaligned32 ((UINT32 *) Buf, ((T2 != 0) ? T2 : 0xffffffff));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Buf += 4;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Fill all the addresses belong to the Ia
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (Index = 0; Index < Ia->IaAddressCount; Index++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync AddrOpt = (UINT8 *) Ia->IaAddress + Index * sizeof (EFI_DHCP6_IA_ADDRESS);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Length = HTONS ((UINT16) sizeof (EFI_DHCP6_IA_ADDRESS));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Buf = Dhcp6AppendOption (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Buf,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync HTONS (Dhcp6OptIaAddr),
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Length,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync AddrOpt
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Fill the value of Ia option length
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *Len = HTONS ((UINT16) (Buf - (UINT8 *) Len - 2));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return Buf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Append the appointed Elapsed time option to Buf, and move Buf to the end.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in, out] Buf The pointer to the position to append.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Instance The pointer to the Dhcp6 instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[out] Elapsed The pointer to the elapsed time value in
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync the generated packet.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return Buf The position to append the next Ia option.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncUINT8 *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6AppendETOption (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN OUT UINT8 *Buf,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN DHCP6_INSTANCE *Instance,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OUT UINT16 **Elapsed
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The format of elapsed time option:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | OPTION_ELAPSED_TIME | option-len |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | elapsed-time |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Fill the value of elapsed-time option type.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteUnaligned16 ((UINT16 *) Buf, HTONS (Dhcp6OptElapsedTime));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Buf += 2;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Fill the len of elapsed-time option, which is fixed.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteUnaligned16 ((UINT16 *) Buf, HTONS(2));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Buf += 2;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Fill in elapsed time value with 0 value for now. The actual value is
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // filled in later just before the packet is transmitted.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteUnaligned16 ((UINT16 *) Buf, HTONS(0));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *Elapsed = (UINT16 *) Buf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Buf += 2;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return Buf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Set the elapsed time based on the given instance and the pointer to the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync elapsed time option.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Elapsed The pointer to the position to append.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Instance The pointer to the Dhcp6 instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncSetElapsedTime (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT16 *Elapsed,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN DHCP6_INSTANCE *Instance
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_TIME Time;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT64 CurrentStamp;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT64 ElapsedTimeValue;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Generate a time stamp of the centiseconds from 2000/1/1, assume 30day/month.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync gRT->GetTime (&Time, NULL);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CurrentStamp = (UINT64)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ((((((Time.Year - 2000) * 360 +
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (Time.Month - 1)) * 30 +
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (Time.Day - 1)) * 24 + Time.Hour) * 60 +
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Time.Minute) * 60 + Time.Second) * 100
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync + DivU64x32(Time.Nanosecond, 10000000)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Sentinel value of 0 means that this is the first DHCP packet that we are
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // sending and that we need to initialize the value. First DHCP Solicit
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // gets 0 elapsed-time. Otherwise, calculate based on StartTime.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Instance->StartTime == 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ElapsedTimeValue = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Instance->StartTime = CurrentStamp;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ElapsedTimeValue = CurrentStamp - Instance->StartTime;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // If elapsed time cannot fit in two bytes, set it to 0xffff.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (ElapsedTimeValue > 0xffff) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ElapsedTimeValue = 0xffff;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WriteUnaligned16 (Elapsed, HTONS((UINT16) ElapsedTimeValue));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Seek the address of the first byte of the option header.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Buf The pointer to the buffer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] SeekLen The length to seek.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] OptType The option type.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval NULL If it failed to seek the option.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval others The position to the option.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncUINT8 *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6SeekOption (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT8 *Buf,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT32 SeekLen,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT16 OptType
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT8 *Cursor;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT8 *Option;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT16 DataLen;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT16 OpCode;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Option = NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Cursor = Buf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The format of Dhcp6 option refers to Dhcp6AppendOption().
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (Cursor < Buf + SeekLen) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OpCode = ReadUnaligned16 ((UINT16 *) Cursor);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (OpCode == HTONS (OptType)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Option = Cursor;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync DataLen = NTOHS (ReadUnaligned16 ((UINT16 *) (Cursor + 2)));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Cursor += (DataLen + 4);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return Option;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Seek the address of the first byte of the Ia option header.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Buf The pointer to the buffer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] SeekLen The length to seek.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] IaDesc The pointer to the Ia descriptor.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval NULL If it failed to seek the Ia option.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval others The position to the Ia option.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncUINT8 *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6SeekIaOption (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT8 *Buf,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT32 SeekLen,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_DHCP6_IA_DESCRIPTOR *IaDesc
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT8 *Cursor;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT8 *Option;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT16 DataLen;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT16 OpCode;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT32 IaId;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The format of IA_NA and IA_TA option refers to Dhcp6AppendIaOption().
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Option = NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Cursor = Buf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (Cursor < Buf + SeekLen) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OpCode = ReadUnaligned16 ((UINT16 *) Cursor);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IaId = ReadUnaligned32 ((UINT32 *) (Cursor + 4));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (OpCode == HTONS (IaDesc->Type) && IaId == HTONL (IaDesc->IaId)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Option = Cursor;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync DataLen = NTOHS (ReadUnaligned16 ((UINT16 *) (Cursor + 2)));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Cursor += (DataLen + 4);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return Option;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Parse the address option and update the address infomation.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] IaInnerOpt The pointer to the buffer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] IaInnerLen The length to parse.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[out] AddrNum The number of addresses.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in, out] AddrBuf The pointer to the address buffer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6ParseAddrOption (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT8 *IaInnerOpt,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT16 IaInnerLen,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OUT UINT32 *AddrNum,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN OUT EFI_DHCP6_IA_ADDRESS *AddrBuf
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT8 *Cursor;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT16 DataLen;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT16 OpCode;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT32 ValidLt;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The format of the IA Address option:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | OPTION_IAADDR | option-len |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | IPv6 address |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | preferred-lifetime |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // | valid-lifetime |
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // . .
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // . IAaddr-options .
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // . .
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Two usage model:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // 1. Pass addrbuf == null, to get the addrnum over the Ia inner options.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // 2. Pass addrbuf != null, to resolve the addresses over the Ia inner
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // options to the addrbuf.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Cursor = IaInnerOpt;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *AddrNum = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (Cursor < IaInnerOpt + IaInnerLen) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Count the Ia address option with non-0 valid time.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OpCode = ReadUnaligned16 ((UINT16 *) Cursor);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ValidLt = ReadUnaligned32 ((UINT32 *) (Cursor + 24));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (OpCode == HTONS (Dhcp6OptIaAddr) && ValidLt != 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (AddrBuf != NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (AddrBuf, Cursor + 4, sizeof (EFI_DHCP6_IA_ADDRESS));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync AddrBuf->PreferredLifetime = NTOHL (AddrBuf->PreferredLifetime);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync AddrBuf->ValidLifetime = NTOHL (AddrBuf->ValidLifetime);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync AddrBuf = (EFI_DHCP6_IA_ADDRESS *) ((UINT8 *) AddrBuf + sizeof (EFI_DHCP6_IA_ADDRESS));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (*AddrNum)++;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync DataLen = NTOHS (ReadUnaligned16 ((UINT16 *) (Cursor + 2)));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Cursor += (DataLen + 4);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Create a control blcok for the Ia according to the corresponding options.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Instance The pointer to DHCP6 Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] IaInnerOpt The pointer to the inner options in the Ia option.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] IaInnerLen The length of all the inner options in the Ia option.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] T1 T1 time in the Ia option.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] T2 T2 time in the Ia option.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_NOT_FOUND No valid IA option is found.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Create an IA control block successfully.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6GenerateIaCb (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN DHCP6_INSTANCE *Instance,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT8 *IaInnerOpt,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT16 IaInnerLen,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT32 T1,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT32 T2
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT32 AddrNum;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT32 IaSize;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DHCP6_IA *Ia;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Instance->IaCb.Ia == NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_NOT_FOUND;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Calculate the number of addresses for this Ia, excluding the addresses with
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // the value 0 of valid lifetime.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Dhcp6ParseAddrOption (IaInnerOpt, IaInnerLen, &AddrNum, NULL);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (AddrNum == 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_NOT_FOUND;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Allocate for new IA.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IaSize = sizeof (EFI_DHCP6_IA) + (AddrNum - 1) * sizeof (EFI_DHCP6_IA_ADDRESS);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Ia = AllocateZeroPool (IaSize);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Ia == NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_OUT_OF_RESOURCES;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Fill up this new IA fields.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Ia->State = Instance->IaCb.Ia->State;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Ia->IaAddressCount = AddrNum;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (&Ia->Descriptor, &Instance->Config->IaDescriptor, sizeof (EFI_DHCP6_IA_DESCRIPTOR));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Dhcp6ParseAddrOption (IaInnerOpt, IaInnerLen, &AddrNum, Ia->IaAddress);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Free original IA resource.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Instance->IaCb.Ia->ReplyPacket != NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync FreePool (Instance->IaCb.Ia->ReplyPacket);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync FreePool (Instance->IaCb.Ia);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ZeroMem (&Instance->IaCb, sizeof (DHCP6_IA_CB));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Update IaCb to use new IA.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Instance->IaCb.Ia = Ia;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Fill in IaCb fields. Such as T1, T2, AllExpireTime and LeaseTime.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Instance->IaCb.T1 = T1;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Instance->IaCb.T2 = T2;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Dhcp6CalculateLeaseTime (&Instance->IaCb);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Cache the current IA configuration information.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Instance The pointer to DHCP6 Instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_SUCCESS Cache the current IA successfully.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @retval EFI_OUT_OF_RESOURCES Required system resources could not be allocated.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6CacheIa (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN DHCP6_INSTANCE *Instance
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN IaSize;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DHCP6_IA *Ia;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Ia = Instance->IaCb.Ia;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((Instance->CacheIa == NULL) && (Ia != NULL)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Cache the current IA.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IaSize = sizeof (EFI_DHCP6_IA) + (Ia->IaAddressCount - 1) * sizeof (EFI_DHCP6_IA_ADDRESS);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Instance->CacheIa = AllocateZeroPool (IaSize);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Instance->CacheIa == NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_OUT_OF_RESOURCES;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (Instance->CacheIa, Ia, IaSize);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/**
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Append CacheIa to the currrent IA. Meanwhile, clear CacheIa.ValidLifetime to 0.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] Instance The pointer to DHCP6 instance.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVOID
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncDhcp6AppendCacheIa (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN DHCP6_INSTANCE *Instance
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINT8 *Ptr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN Index;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN IaSize;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN NewIaSize;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DHCP6_IA *Ia;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DHCP6_IA *NewIa;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_DHCP6_IA *CacheIa;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Ia = Instance->IaCb.Ia;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CacheIa = Instance->CacheIa;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((CacheIa != NULL) && (CacheIa->IaAddressCount != 0)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // There are old addresses existing. Merge with current addresses.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NewIaSize = sizeof (EFI_DHCP6_IA) + (Ia->IaAddressCount + CacheIa->IaAddressCount - 1) * sizeof (EFI_DHCP6_IA_ADDRESS);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NewIa = AllocateZeroPool (NewIaSize);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (NewIa == NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IaSize = sizeof (EFI_DHCP6_IA) + (Ia->IaAddressCount - 1) * sizeof (EFI_DHCP6_IA_ADDRESS);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (NewIa, Ia, IaSize);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Clear old address.ValidLifetime
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (Index = 0; Index < CacheIa->IaAddressCount; Index++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CacheIa->IaAddress[Index].ValidLifetime = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NewIa->IaAddressCount += CacheIa->IaAddressCount;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Ptr = (UINT8*)&NewIa->IaAddress[Ia->IaAddressCount];
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync CopyMem (Ptr, CacheIa->IaAddress, CacheIa->IaAddressCount * sizeof (EFI_DHCP6_IA_ADDRESS));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Migrate to the NewIa and free previous.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync FreePool (Instance->CacheIa);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync FreePool (Instance->IaCb.Ia);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Instance->CacheIa = NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Instance->IaCb.Ia = NewIa;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}