text: /*
   * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The OpenAirInterface Software Alliance licenses this file to You under 
   * the Apache License, Version 2.0  (the "License"); you may not use this file
   * except in compliance with the License.  
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *-------------------------------------------------------------------------------
   * For more information about the OpenAirInterface (OAI) Software Alliance:
   *      contact@openairinterface.org
   */
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <stdint.h>
  
  #include "ProtocolDiscriminator.h"
  #include "EpsBearerIdentity.h"
  #include "ProcedureTransactionIdentity.h"
  #include "MessageType.h"
  #include "LinkedEpsBearerIdentity.h"
  #include "TrafficFlowAggregateDescription.h"
  #include "EpsQualityOfService.h"
  #include "EsmCause.h"
  #include "ProtocolConfigurationOptions.h"
  
  #ifndef BEARER_RESOURCE_MODIFICATION_REQUEST_H_
  #define BEARER_RESOURCE_MODIFICATION_REQUEST_H_
  
  /* Minimum length macro. Formed by minimum length of each mandatory field */
  #define BEARER_RESOURCE_MODIFICATION_REQUEST_MINIMUM_LENGTH ( \
      TRAFFIC_FLOW_AGGREGATE_DESCRIPTION_MINIMUM_LENGTH )
  
  /* Maximum length macro. Formed by maximum length of each field */
  #define BEARER_RESOURCE_MODIFICATION_REQUEST_MAXIMUM_LENGTH ( \
      TRAFFIC_FLOW_AGGREGATE_DESCRIPTION_MAXIMUM_LENGTH + \
      EPS_QUALITY_OF_SERVICE_MAXIMUM_LENGTH + \
      ESM_CAUSE_MAXIMUM_LENGTH + \
      PROTOCOL_CONFIGURATION_OPTIONS_MAXIMUM_LENGTH )
  
  /* If an optional value is present and should be encoded, the corresponding
   * Bit mask should be set to 1.
   */
  # define BEARER_RESOURCE_MODIFICATION_REQUEST_REQUIRED_TRAFFIC_FLOW_QOS_PRESENT      (1<<0)
  # define BEARER_RESOURCE_MODIFICATION_REQUEST_ESM_CAUSE_PRESENT                      (1<<1)
  # define BEARER_RESOURCE_MODIFICATION_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_PRESENT (1<<2)
  
  typedef enum bearer_resource_modification_request_iei_tag {
    BEARER_RESOURCE_MODIFICATION_REQUEST_REQUIRED_TRAFFIC_FLOW_QOS_IEI       = 0x5B, /* 0x5B = 91 */
    BEARER_RESOURCE_MODIFICATION_REQUEST_ESM_CAUSE_IEI                       = 0x58, /* 0x58 = 88 */
    BEARER_RESOURCE_MODIFICATION_REQUEST_PROTOCOL_CONFIGURATION_OPTIONS_IEI  = 0x27, /* 0x27 = 39 */
  } bearer_resource_modification_request_iei;
  
  /*
   * Message name: Bearer resource modification request
   * Description: This message is sent by the UE to the network to request the modification of a dedicated bearer resource. See table 8.3.10.1.
   * Significance: dual
   * Direction: UE to network
   */
  
  typedef struct bearer_resource_modification_request_msg_tag {
    /* Mandatory fields */
    ProtocolDiscriminator                            protocoldiscriminator:4;
    EpsBearerIdentity                                epsbeareridentity:4;
    ProcedureTransactionIdentity                     proceduretransactionidentity;
    MessageType                                      messagetype;
    LinkedEpsBearerIdentity                          epsbeareridentityforpacketfilter;
    TrafficFlowAggregateDescription                  trafficflowaggregate;
    /* Optional fields */
    uint32_t                                         presencemask;
    EpsQualityOfService                              requiredtrafficflowqos;
    EsmCause                                         esmcause;
    ProtocolConfigurationOptions                     protocolconfigurationoptions;
  } bearer_resource_modification_request_msg;
  
  int decode_bearer_resource_modification_request(bearer_resource_modification_request_msg *bearerresourcemodificationrequest, uint8_t *buffer, uint32_t len);
  
  int encode_bearer_resource_modification_request(bearer_resource_modification_request_msg *bearerresourcemodificationrequest, uint8_t *buffer, uint32_t len);
  
  #endif /* ! defined(BEARER_RESOURCE_MODIFICATION_REQUEST_H_) */
  
  