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openairinterface5g/openair3/S1AP/s1ap_eNB_ue_context.h
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Cedric Roux aea6b4b5a6 fix a lot of file mode
For whatever reason most of the files had their permission
changed from 644 to 755, which is not wanted.
2019-01-07 16:22:28 +01:00

96 lines
3.1 KiB
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
*/
#include "tree.h"
#include "queue.h"
#include "s1ap_eNB_defs.h"
#ifndef S1AP_ENB_UE_CONTEXT_H_
#define S1AP_ENB_UE_CONTEXT_H_
// Forward declarations
struct s1ap_eNB_mme_data_s;
struct s1ap_ue_map;
struct eNB_mme_desc_s;
typedef enum {
/* UE has not been registered to a MME or UE association has failed. */
S1AP_UE_DECONNECTED = 0x0,
/* UE s1ap state is waiting for initial context setup request message. */
S1AP_UE_WAITING_CSR = 0x1,
/* UE association is ready and bearers are established. */
S1AP_UE_CONNECTED = 0x2,
S1AP_UE_STATE_MAX,
} s1ap_ue_state;
typedef struct s1ap_eNB_ue_context_s {
/* Tree related data */
RB_ENTRY(s1ap_eNB_ue_context_s) entries;
/* Uniquely identifies the UE between MME and eNB within the eNB.
* This id is encoded on 24bits.
*/
unsigned eNB_ue_s1ap_id:24;
/* UE id for initial connection to S1AP */
uint16_t ue_initial_id;
/* Uniquely identifies the UE within MME. Encoded on 32 bits. */
uint32_t mme_ue_s1ap_id;
/* Stream used for this particular UE */
int32_t tx_stream;
int32_t rx_stream;
/* Current UE state. */
s1ap_ue_state ue_state;
/* Reference to MME data this UE is attached to */
struct s1ap_eNB_mme_data_s *mme_ref;
/* Signaled by the UE in RRC Connection Setup Complete and used in NAS Uplink
* to route NAS messages correctly. 0-based, not 1-based as in TS 36.331
* 6.2.2 RRC Connection Setup Complete! */
int selected_plmn_identity;
/* Reference to eNB data this UE is attached to */
s1ap_eNB_instance_t *eNB_instance;
} s1ap_eNB_ue_context_t;
int s1ap_eNB_compare_eNB_ue_s1ap_id(
struct s1ap_eNB_ue_context_s *p1, struct s1ap_eNB_ue_context_s *p2);
/* Generate the tree management functions prototypes */
RB_PROTOTYPE(s1ap_ue_map, s1ap_eNB_ue_context_s, entries,
s1ap_eNB_compare_eNB_ue_s1ap_id);
struct s1ap_eNB_ue_context_s *s1ap_eNB_allocate_new_UE_context(void);
struct s1ap_eNB_ue_context_s *s1ap_eNB_get_ue_context(
s1ap_eNB_instance_t *instance_p,
uint32_t eNB_ue_s1ap_id);
void s1ap_eNB_free_ue_context(struct s1ap_eNB_ue_context_s *ue_context_p);
#endif /* S1AP_ENB_UE_CONTEXT_H_ */