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openairinterface5g/openair-cn/GTPV1-U/gtpv1u_eNB_defs.h
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2015-04-10 12:21:25 +00:00

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/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
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/>.
Contact Information
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.
*******************************************************************************/
/*! \file gtpv1u_eNB_defs.h
* \brief
* \author Sebastien ROUX, Lionel GAUTHIER
* \version 1.0
* \company Eurecom
* \email: lionel.gauthier@eurecom.fr
*/
#include "hashtable.h"
#ifndef GTPV1U_ENB_DEFS_H_
#define GTPV1U_ENB_DEFS_H_
#define GTPV1U_UDP_PORT (2152)
#define GTPV1U_BEARER_OFFSET 3
#define GTPV1U_MAX_BEARERS_ID (max_val_DRB_Identity - GTPV1U_BEARER_OFFSET)
typedef enum {
BEARER_DOWN = 0,
BEARER_IN_CONFIG,
BEARER_UP,
BEARER_DL_HANDOVER,
BEARER_UL_HANDOVER,
BEARER_MAX,
} bearer_state_t;
typedef struct gtpv1u_teid_data_s {
/* UE identifier for oaisim stack */
module_id_t enb_id;
rnti_t ue_id;
ebi_t eps_bearer_id;
} gtpv1u_teid_data_t;
typedef struct gtpv1u_bearer_s {
/* TEID used in dl and ul */
teid_t teid_eNB; ///< eNB TEID
teid_t teid_sgw; ///< Remote TEID
in_addr_t sgw_ip_addr;
struct in6_addr sgw_ip6_addr;
tcp_udp_port_t port;
//NwGtpv1uStackSessionHandleT stack_session;
bearer_state_t state;
} gtpv1u_bearer_t;
typedef struct gtpv1u_ue_data_s {
/* UE identifier for oaisim stack */
rnti_t ue_id;
/* Unique identifier used between PDCP and GTP-U to distinguish UEs */
uint32_t instance_id;
int num_bearers;
/* Bearer related data.
* Note that the first LCID available for data is 3 and we fixed the maximum
* number of e-rab per UE to be (32 [id range]), max RB is 11. The real rb id will 3 + rab_id (3..32).
*/
gtpv1u_bearer_t bearers[GTPV1U_MAX_BEARERS_ID];
//RB_ENTRY(gtpv1u_ue_data_s) gtpv1u_ue_node;
} gtpv1u_ue_data_t;
typedef struct gtpv1u_data_s {
/* nwgtpv1u stack internal data */
NwGtpv1uStackHandleT gtpv1u_stack;
/* RB tree of UEs */
hash_table_t *ue_mapping; // PDCP->GTPV1U
hash_table_t *teid_mapping; // GTPV1U -> PDCP
//RB_HEAD(gtpv1u_ue_map, gtpv1u_ue_data_s) gtpv1u_ue_map_head;
/* Local IP address to use */
in_addr_t enb_ip_address_for_S1u_S12_S4_up;
char *ip_addr;
tcp_udp_port_t enb_port_for_S1u_S12_S4_up;
/* UDP internal data */
//udp_data_t udp_data;
uint16_t seq_num;
uint8_t restart_counter;
#ifdef GTPU_IN_KERNEL
char *interface_name;
int interface_index;
struct iovec *malloc_ring;
void *sock_mmap_ring[16];
int sock_desc[16]; // indexed by marking
#endif
} gtpv1u_data_t;
int
gtpv1u_new_data_req(
uint8_t enb_module_idP,
rnti_t ue_rntiP,
uint8_t rab_idP,
uint8_t *buffer_pP,
uint32_t buf_lenP,
uint32_t buf_offsetP
);
int
gtpv1u_initial_req(
gtpv1u_data_t *gtpv1u_data_p,
uint32_t teid,
uint16_t port,
uint32_t address);
#endif /* GTPV1U_ENB_DEFS_H_ */