77 lines
3.0 KiB
C
77 lines
3.0 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include "ProtocolDiscriminator.h"
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#include "SecurityHeaderType.h"
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#include "MessageType.h"
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#include "EpsMobileIdentity.h"
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#include "TrackingAreaIdentityList.h"
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#ifndef GUTI_REALLOCATION_COMMAND_H_
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#define GUTI_REALLOCATION_COMMAND_H_
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/* Minimum length macro. Formed by minimum length of each mandatory field */
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#define GUTI_REALLOCATION_COMMAND_MINIMUM_LENGTH ( \
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EPS_MOBILE_IDENTITY_MINIMUM_LENGTH )
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/* Maximum length macro. Formed by maximum length of each field */
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#define GUTI_REALLOCATION_COMMAND_MAXIMUM_LENGTH ( \
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EPS_MOBILE_IDENTITY_MAXIMUM_LENGTH + \
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TRACKING_AREA_IDENTITY_LIST_MAXIMUM_LENGTH )
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/* If an optional value is present and should be encoded, the corresponding
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* Bit mask should be set to 1.
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*/
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# define GUTI_REALLOCATION_COMMAND_TAI_LIST_PRESENT (1<<0)
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typedef enum guti_reallocation_command_iei_tag {
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GUTI_REALLOCATION_COMMAND_TAI_LIST_IEI = 0x54, /* 0x54 = 84 */
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} guti_reallocation_command_iei;
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/*
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* Message name: GUTI reallocation command
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* Description: This message is sent by the network to the UE to reallocate a GUTI and optionally to provide a new TAI list. See table 8.2.16.1.
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* Significance: dual
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* Direction: network to UE
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*/
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typedef struct guti_reallocation_command_msg_tag {
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/* Mandatory fields */
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ProtocolDiscriminator protocoldiscriminator:4;
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SecurityHeaderType securityheadertype:4;
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MessageType messagetype;
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EpsMobileIdentity guti;
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/* Optional fields */
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uint32_t presencemask;
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TrackingAreaIdentityList tailist;
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} guti_reallocation_command_msg;
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int decode_guti_reallocation_command(guti_reallocation_command_msg *gutireallocationcommand, uint8_t *buffer, uint32_t len);
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int encode_guti_reallocation_command(guti_reallocation_command_msg *gutireallocationcommand, uint8_t *buffer, uint32_t len);
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#endif /* ! defined(GUTI_REALLOCATION_COMMAND_H_) */
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