123 lines
4.8 KiB
C
123 lines
4.8 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 flexran_agent_mac.h
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* \brief FlexRAN agent message handler APIs for MAC layer
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* \author Xenofon Foukas, Mohamed Kassem and Navid Nikaein
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* \date 2016
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* \version 0.1
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*/
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#ifndef FLEXRAN_AGENT_MAC_H_
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#define FLEXRAN_AGENT_MAC_H_
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#include "header.pb-c.h"
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#include "flexran.pb-c.h"
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#include "stats_messages.pb-c.h"
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#include "stats_common.pb-c.h"
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#include "flexran_agent_common.h"
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#include "flexran_agent_extern.h"
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/* These types will be used to give
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instructions for the type of stats reports
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we need to create */
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typedef struct {
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uint16_t ue_rnti;
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uint32_t ue_report_flags; /* Indicates the report elements
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required for this UE id. See
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FlexRAN specification 1.2.4.2 */
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} ue_report_type_t;
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typedef struct {
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uint16_t cc_id;
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uint32_t cc_report_flags; /* Indicates the report elements
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required for this CC index. See
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FlexRAN specification 1.2.4.3 */
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} cc_report_type_t;
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typedef struct {
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int nr_ue;
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ue_report_type_t *ue_report_type;
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int nr_cc;
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cc_report_type_t *cc_report_type;
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} report_config_t;
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typedef struct stats_request_config_s{
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uint8_t report_type;
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uint8_t report_frequency;
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uint16_t period; /*In number of subframes*/
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report_config_t *config;
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} stats_request_config_t;
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/* Initialization function for the agent structures etc */
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void flexran_agent_init_mac_agent(mid_t mod_id);
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int flexran_agent_mac_handle_stats(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg);
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/* Statistics request protocol message constructor and destructor */
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int flexran_agent_mac_stats_request(mid_t mod_id, xid_t xid, const stats_request_config_t *report_config, Protocol__FlexranMessage **msg);
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int flexran_agent_mac_destroy_stats_request(Protocol__FlexranMessage *msg);
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/* Statistics reply protocol message constructor and destructor */
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int flexran_agent_mac_stats_reply(mid_t mod_id, xid_t xid, const report_config_t *report_config, Protocol__FlexranMessage **msg);
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int flexran_agent_mac_destroy_stats_reply(Protocol__FlexranMessage *msg);
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/* Scheduling request information protocol message constructor and estructor */
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int flexran_agent_mac_sr_info(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg);
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int flexran_agent_mac_destroy_sr_info(Protocol__FlexranMessage *msg);
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/* Subframe trigger protocol msssage constructor and destructor */
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int flexran_agent_mac_sf_trigger(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg);
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int flexran_agent_mac_destroy_sf_trigger(Protocol__FlexranMessage *msg);
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/* DL MAC scheduling decision protocol message constructor (empty command) and destructor */
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int flexran_agent_mac_create_empty_dl_config(mid_t mod_id, Protocol__FlexranMessage **msg);
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int flexran_agent_mac_destroy_dl_config(Protocol__FlexranMessage *msg);
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int flexran_agent_mac_handle_dl_mac_config(mid_t mod_id, const void *params, Protocol__FlexranMessage **msg);
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/**********************************
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* FlexRAN agent - technology mac API
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**********************************/
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/*Inform controller about received scheduling requests during a subframe*/
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void flexran_agent_send_sr_info(mid_t mod_id);
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/*Inform the controller about the current UL/DL subframe*/
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void flexran_agent_send_sf_trigger(mid_t mod_id);
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/// Send to the controller all the mac stat updates that occured during this subframe
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/// based on the stats request configuration
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void flexran_agent_send_update_mac_stats(mid_t mod_id);
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/// Provide to the scheduler a pending dl_mac_config message
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void flexran_agent_get_pending_dl_mac_config(mid_t mod_id, Protocol__FlexranMessage **msg);
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/*Register technology specific interface callbacks*/
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int flexran_agent_register_mac_xface(mid_t mod_id, AGENT_MAC_xface *xface);
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/*Unregister technology specific callbacks*/
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int flexran_agent_unregister_mac_xface(mid_t mod_id, AGENT_MAC_xface*xface);
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#endif
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