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 "ServiceType.h"
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#include "NasKeySetIdentifier.h"
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#include "MobileIdentity.h"
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#include "CsfbResponse.h"
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#ifndef EXTENDED_SERVICE_REQUEST_H_
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#define EXTENDED_SERVICE_REQUEST_H_
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/* Minimum length macro. Formed by minimum length of each mandatory field */
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#define EXTENDED_SERVICE_REQUEST_MINIMUM_LENGTH ( \
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SERVICE_TYPE_MINIMUM_LENGTH + \
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NAS_KEY_SET_IDENTIFIER_MINIMUM_LENGTH + \
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MOBILE_IDENTITY_MINIMUM_LENGTH )
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/* Maximum length macro. Formed by maximum length of each field */
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#define EXTENDED_SERVICE_REQUEST_MAXIMUM_LENGTH ( \
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SERVICE_TYPE_MAXIMUM_LENGTH + \
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NAS_KEY_SET_IDENTIFIER_MAXIMUM_LENGTH + \
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MOBILE_IDENTITY_MAXIMUM_LENGTH + \
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CSFB_RESPONSE_MAXIMUM_LENGTH )
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/*
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* Message name: Extended service request
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* Description: This message is sent by the UE to the network to initiate a CS fallback call or respond to a mobile terminated CS fallback request from the network. See table 8.2.15.1.
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* Significance: dual
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* Direction: UE to network
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*/
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typedef struct extended_service_request_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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ServiceType servicetype;
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NasKeySetIdentifier naskeysetidentifier;
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MobileIdentity mtmsi;
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/* Optional fields */
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uint32_t presencemask;
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CsfbResponse csfbresponse;
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} extended_service_request_msg;
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int decode_extended_service_request(extended_service_request_msg *extendedservicerequest, uint8_t *buffer, uint32_t len);
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int encode_extended_service_request(extended_service_request_msg *extendedservicerequest, uint8_t *buffer, uint32_t len);
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#endif /* ! defined(EXTENDED_SERVICE_REQUEST_H_) */
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