Guido Casati
63d7f26cfd
as per legacy code, the NAS functions in nr_nas_msg.c were encoding the header in the plain header contained in MM_msg (e.g. plain -> mm_msg -> header in fgs_nas_message_t). The same header was encoded in the mobility management message contained in the same struct (e.g. plain -> mm_msg -> registration_request -> protocoldiscriminator). As this was more complicated than necessary, the goal of this commit is to simplify the code and improve readability. Namely: * Refactor MM_msg into fgmm_nas_message_plain_t to contain (1) 5GMM Header (2) 5GMM Payload union * Use fgmm_nas_message_plain_t and fgmm_nas_msg_security_protected_t in the 5GMM NAS procedures * Remove NAS header IEs from 5GMM messages structs and use the header in fgs_nas_message_plain_t. This reduce also the repetitions of header members in each of the 5GMM messages structs. * Rename struct to distinguish between 5GMM and 5GSM * Remove fgs_nas_message_t and nas_msg_header_t, use directly basic 5GS struct definitions, simplify the code * The callbacks in nr_nas_msg.c are now doing (1) encode header with the common NAS lib (2) encode contents with the 5GMM libs * improve code readibility in the process
56 lines
2.1 KiB
C
56 lines
2.1 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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/*! \file FGSNASSecurityModeComplete.h
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\brief security mode complete procedures for gNB
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\author Yoshio INOUE, Masayuki HARADA
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\email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com
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\date 2020
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\version 0.1
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*/
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#include <stdint.h>
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#include "FGCNasMessageContainer.h"
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#include "FGSMobileIdentity.h"
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#include "MessageType.h"
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#include "SecurityHeaderType.h"
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#ifndef FGS_NAS_SECURITY_MODE_COMPLETE_H_
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#define FGS_NAS_SECURITY_MODE_COMPLETE_H_
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/*
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* Message name: security mode complete
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* Description: This message is sent by the UE to the AMF in response to a SECURITY MODE COMMAND message. See table 8.2.26.1.1.
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* Significance: dual
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* Direction: UE to AMF
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*/
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typedef struct fgs_security_mode_complete_msg_tag {
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/* Mandatory fields */
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FGSMobileIdentity fgsmobileidentity;
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FGCNasMessageContainer fgsnasmessagecontainer;
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} fgs_security_mode_complete_msg;
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int encode_fgs_security_mode_complete(const fgs_security_mode_complete_msg *fgs_security_mode_comp, uint8_t *buffer, uint32_t len);
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#endif /* ! defined(FGS_NAS_SECURITY_MODE_COMPLETE_H_) */
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