Files
openairinterface5g/openair3/M3AP/m3ap_ids.h
T
Javier Morgade 365527d401 M3AP 3GPP TS 36.444 interface implemented:
1.MME entity developed to handle M3 side (new dedicated task developed: TASK_MME_APP) (these procedures should be moved to OPENAIR-CN ... just implemented to easy the E-UTRAN MBMS stuff development)
        2.MCE side M3 interface procedures (new dedicated task developed: TASK_M3AP_MCE)
        3.MME side M3 interface procedures (new dedicated task developed: TASK_M2AP_MME) (these procedures should be moved to OPENAIR-CN ... just implemented to easy the E-UTRAN MBMS stuff development)
        4.ASN1 bindings for m3ap-14.0.0.asn1 implemented and tested
        5.MME config parameters

	ACKNOWLEDGEMENT:
 	1. This commit was developed at Vicomtech (https://www.vicomtech.org) under UE project CDN-X-ALL: "CDN edge-cloud computing for efficient cache and reliable streaming aCROSS Aggregated unicast-multicast LinkS"
 	2. Project funded by Fed4FIRE+ OC5 (https://www.fed4fire.eu)

	Signed-off-by: Javier Morgade <javier.morgade@ieee.org>
2019-09-14 13:53:39 +02:00

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C

/*
* 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 OAI Public License, Version 1.1 (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.openairinterface.org/?page_id=698
*
* 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
*/
#ifndef M3AP_IDS_H_
#define M3AP_IDS_H_
#include <stdint.h>
/* maximum number of simultaneous handovers, do not set too high */
#define M3AP_MAX_IDS 16
/*
* state:
* - when starting handover in source, UE is in state M3ID_STATE_SOURCE_PREPARE
* - after receiving HO_ack in source, UE is in state M3ID_STATE_SOURCE_OVERALL
* - in target, UE is in state X2ID_STATE_TARGET
* The state is used to check timers.
*/
typedef enum {
M3ID_STATE_SOURCE_PREPARE,
M3ID_STATE_SOURCE_OVERALL,
M3ID_STATE_TARGET
} m3id_state_t;
typedef struct {
int rnti; /* -1 when free */
int id_source;
int id_target;
/* the target eNB. Real type is m3ap_eNB_data_t * */
void *target;
/* state: needed to check timers */
m3id_state_t state;
/* timers */
uint64_t t_reloc_prep_start;
uint64_t tm3_reloc_overall_start;
} m3ap_id;
typedef struct {
m3ap_id ids[M3AP_MAX_IDS];
} m3ap_id_manager;
void m3ap_id_manager_init(m3ap_id_manager *m);
int m3ap_allocate_new_id(m3ap_id_manager *m);
void m3ap_release_id(m3ap_id_manager *m, int id);
int m3ap_find_id(m3ap_id_manager *, int id_source, int id_target);
int m3ap_find_id_from_id_source(m3ap_id_manager *, int id_source);
int m3ap_find_id_from_rnti(m3ap_id_manager *, int rnti);
void m3ap_set_ids(m3ap_id_manager *m, int ue_id, int rnti, int id_source, int id_target);
void m3ap_id_set_state(m3ap_id_manager *m, int ue_id, m3id_state_t state);
/* real type of target is m3ap_eNB_data_t * */
void m3ap_id_set_target(m3ap_id_manager *m, int ue_id, void *target);
void m3ap_set_reloc_prep_timer(m3ap_id_manager *m, int ue_id, uint64_t time);
void m3ap_set_reloc_overall_timer(m3ap_id_manager *m, int ue_id, uint64_t time);
int m3ap_id_get_id_source(m3ap_id_manager *m, int ue_id);
int m3ap_id_get_id_target(m3ap_id_manager *m, int ue_id);
int m3ap_id_get_rnti(m3ap_id_manager *m, int ue_id);
void *m3ap_id_get_target(m3ap_id_manager *m, int ue_id);
#endif /* M3AP_IDS_H_ */