Newer
Older
/*******************************************************************************
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@eurecom.fr
Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
*******************************************************************************/
Cédric Roux
committed
#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 {
Cédric Roux
committed
/* 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 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;
Cédric Roux
committed
/* Reference to eNB data this UE is attached to */
s1ap_eNB_instance_t *eNB_instance;
} s1ap_eNB_ue_context_t;
inline 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);
Cédric Roux
committed
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);