77 lines
2.7 KiB
C
77 lines
2.7 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 "EmmCause.h"
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#include "EsmMessageContainer.h"
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#ifndef ATTACH_REJECT_H_
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#define ATTACH_REJECT_H_
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/* Minimum length macro. Formed by minimum length of each mandatory field */
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#define ATTACH_REJECT_MINIMUM_LENGTH ( \
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EMM_CAUSE_MINIMUM_LENGTH )
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/* Maximum length macro. Formed by maximum length of each field */
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#define ATTACH_REJECT_MAXIMUM_LENGTH ( \
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EMM_CAUSE_MAXIMUM_LENGTH + \
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ESM_MESSAGE_CONTAINER_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 ATTACH_REJECT_ESM_MESSAGE_CONTAINER_PRESENT (1<<0)
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typedef enum attach_reject_iei_tag {
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ATTACH_REJECT_ESM_MESSAGE_CONTAINER_IEI = 0x78, /* 0x78 = 120 */
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} attach_reject_iei;
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/*
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* Message name: Attach reject
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* Description: This message is sent by the network to the UE to indicate that the corresponding attach request has been rejected. See table 8.2.3.1.
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* Significance: dual
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* Direction: network to UE
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*/
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typedef struct attach_reject_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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EmmCause emmcause;
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/* Optional fields */
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uint32_t presencemask;
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EsmMessageContainer esmmessagecontainer;
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} attach_reject_msg;
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int decode_attach_reject(attach_reject_msg *attachreject, uint8_t *buffer, uint32_t len);
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int encode_attach_reject(attach_reject_msg *attachreject, uint8_t *buffer, uint32_t len);
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#endif /* ! defined(ATTACH_REJECT_H_) */
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