/* * 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 */ /*! \file gtpv1u_gNB_defs.h * \brief * \author Yoshio INOUE, Masayuki HARADA * \date 2020 * \version 0.1 * \email: yoshio.inoue@fujitsu.com,masayuki.harada@fujitsu.com * (yoshio.inoue%40fujitsu.com%2cmasayuki.harada%40fujitsu.com) */ #include "hashtable.h" #include "NR_asn_constant.h" #ifndef GTPV1U_GNB_DEFS_H_ #define GTPV1U_GNB_DEFS_H_ #include "NwGtpv1u.h" #define GTPV1U_UDP_PORT (2152) #define NR_GTPV1U_MAX_BEARERS_ID (max_val_NR_DRB_Identity - 3) #define GTPV1U_SOURCE_GNB (0) #define GTPV1U_TARGET_GNB (1) #define GTPV1U_MSG_FROM_SOURCE_GNB (0) #define GTPV1U_MSG_FROM_UPF (1) typedef struct nr_gtpv1u_teid_data_s { /* UE identifier for oaisim stack */ module_id_t gnb_id; rnti_t ue_id; pdusessionid_t pdu_session_id; } nr_gtpv1u_teid_data_t; typedef struct nr_gtpv1u_bearer_s { /* TEID used in dl and ul */ teid_t teid_gNB; ///< gNB TEID uintptr_t teid_gNB_stack_session; ///< gNB TEID teid_t teid_upf; ///< Remote TEID in_addr_t upf_ip_addr; struct in6_addr upf_ip6_addr; teid_t teid_tgNB; in_addr_t tgnb_ip_addr; ///< target gNB ipv4 struct in6_addr tgnb_ip6_addr; ///< target gNB ipv6 tcp_udp_port_t port; //NwGtpv1uStackSessionHandleT stack_session; bearer_state_t state; } nr_gtpv1u_bearer_t; typedef struct nr_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). */ nr_gtpv1u_bearer_t bearers[NR_GTPV1U_MAX_BEARERS_ID]; //RB_ENTRY(gtpv1u_ue_data_s) gtpv1u_ue_node; } nr_gtpv1u_ue_data_t; typedef struct nr_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 gnb_ip_address_for_NGu_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 } nr_gtpv1u_data_t; #endif /* GTPV1U_GNB_DEFS_H_ */