gauthier
7b5431a62c
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7886 818b1a75-f10b-46b9-bf7c-635c3b92a50f
99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
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Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
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*******************************************************************************/
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#include "tree.h"
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#include "queue.h"
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#include "s1ap_eNB_defs.h"
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#ifndef S1AP_ENB_UE_CONTEXT_H_
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#define S1AP_ENB_UE_CONTEXT_H_
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// Forward declarations
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struct s1ap_eNB_mme_data_s;
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struct s1ap_ue_map;
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struct eNB_mme_desc_s;
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typedef enum {
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/* UE has not been registered to a MME or UE association has failed. */
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S1AP_UE_DECONNECTED = 0x0,
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/* UE s1ap state is waiting for initial context setup request message. */
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S1AP_UE_WAITING_CSR = 0x1,
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/* UE association is ready and bearers are established. */
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S1AP_UE_CONNECTED = 0x2,
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S1AP_UE_STATE_MAX,
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} s1ap_ue_state;
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typedef struct s1ap_eNB_ue_context_s {
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/* Tree related data */
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RB_ENTRY(s1ap_eNB_ue_context_s) entries;
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/* Uniquely identifies the UE between MME and eNB within the eNB.
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* This id is encoded on 24bits.
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*/
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unsigned eNB_ue_s1ap_id:24;
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/* UE id for initial connection to S1AP */
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uint16_t ue_initial_id;
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/* Uniquely identifies the UE within MME. Encoded on 32 bits. */
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uint32_t mme_ue_s1ap_id;
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/* Stream used for this particular UE */
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int32_t tx_stream;
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int32_t rx_stream;
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/* Current UE state. */
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s1ap_ue_state ue_state;
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/* Reference to MME data this UE is attached to */
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struct s1ap_eNB_mme_data_s *mme_ref;
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/* Reference to eNB data this UE is attached to */
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s1ap_eNB_instance_t *eNB_instance;
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} s1ap_eNB_ue_context_t;
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int s1ap_eNB_compare_eNB_ue_s1ap_id(
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struct s1ap_eNB_ue_context_s *p1, struct s1ap_eNB_ue_context_s *p2);
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/* Generate the tree management functions prototypes */
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RB_PROTOTYPE(s1ap_ue_map, s1ap_eNB_ue_context_s, entries,
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s1ap_eNB_compare_eNB_ue_s1ap_id);
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struct s1ap_eNB_ue_context_s *s1ap_eNB_allocate_new_UE_context(void);
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struct s1ap_eNB_ue_context_s *s1ap_eNB_get_ue_context(
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s1ap_eNB_instance_t *instance_p,
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uint32_t eNB_ue_s1ap_id);
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void s1ap_eNB_free_ue_context(struct s1ap_eNB_ue_context_s *ue_context_p);
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#endif /* S1AP_ENB_UE_CONTEXT_H_ */
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