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Initial commit on X2AP (add target eNBs as input)

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This commit is contained in:
Konstantinos Alexandris
2018-08-22 15:32:22 +02:00
parent 53bb1fb091
commit 40942e34a0
8 changed files with 416 additions and 7 deletions
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openair2/COMMON/x2ap_messages_def.h
+21
View File
@@ -19,3 +19,24 @@
* contact@openairinterface.org
*/
/* eNB application layer -> X2AP messages */
/* ITTI LOG messages */
/* ENCODER */
MESSAGE_DEF(X2AP_RESET_REQUST_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , x2ap_reset_request_log)
MESSAGE_DEF(X2AP_RESOURCE_STATUS_RESPONSE_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , x2ap_resource_status_response_log)
MESSAGE_DEF(X2AP_RESOURCE_STATUS_FAILURE_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , x2ap_resource_status_failure_log)
/* Messages for X2AP logging */
MESSAGE_DEF(X2AP_SETUP_REQUEST_LOG , MESSAGE_PRIORITY_MED, IttiMsgText , x2ap_setup_request_log)
/* eNB application layer -> X2AP messages */
MESSAGE_DEF(X2AP_REGISTER_ENB_REQ , MESSAGE_PRIORITY_MED, x2ap_register_enb_req_t , x2ap_register_enb_req)
/* X2AP -> eNB application layer messages */
MESSAGE_DEF(X2AP_REGISTER_ENB_CNF , MESSAGE_PRIORITY_MED, x2ap_register_enb_cnf_t , x2ap_register_enb_cnf)
MESSAGE_DEF(X2AP_DEREGISTERED_ENB_IND , MESSAGE_PRIORITY_MED, x2ap_deregistered_enb_ind_t , x2ap_deregistered_enb_ind)
/* handover messages X2AP <-> RRC */
MESSAGE_DEF(X2AP_HANDOVER_REQ , MESSAGE_PRIORITY_MED, x2ap_handover_req_t , x2ap_handover_req)
MESSAGE_DEF(X2AP_HANDOVER_REQ_ACK , MESSAGE_PRIORITY_MED, x2ap_handover_req_ack_t , x2ap_handover_req_ack)
openair2/COMMON/x2ap_messages_types.h
+152
View File
@@ -19,3 +19,155 @@
* contact@openairinterface.org
*/
#ifndef X2AP_MESSAGES_TYPES_H_
#define X2AP_MESSAGES_TYPES_H_
#include "PhysCellId.h"
//-------------------------------------------------------------------------------------------//
// Defines to access message fields.
#define X2AP_REGISTER_ENB_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_register_enb_req
#define X2AP_HANDOVER_REQ(mSGpTR) (mSGpTR)->ittiMsg.x2ap_handover_req
#define X2AP_HANDOVER_REQ_ACK(mSGpTR) (mSGpTR)->ittiMsg.x2ap_handover_req_ack
#define X2AP_REGISTER_ENB_CNF(mSGpTR) (mSGpTR)->ittiMsg.x2ap_register_enb_cnf
#define X2AP_DEREGISTERED_ENB_IND(mSGpTR) (mSGpTR)->ittiMsg.x2ap_deregistered_enb_ind
#define X2AP_MAX_NB_ENB_IP_ADDRESS 2
// eNB application layer -> X2AP messages
typedef struct x2ap_register_enb_req_s {
/* Unique eNB_id to identify the eNB within EPC.
* For macro eNB ids this field should be 20 bits long.
* For home eNB ids this field should be 28 bits long.
*/
uint32_t eNB_id;
/* The type of the cell */
enum cell_type_e cell_type;
/* Optional name for the cell
* NOTE: the name can be NULL (i.e no name) and will be cropped to 150
* characters.
*/
char *eNB_name;
/* Tracking area code */
uint16_t tac;
/* Mobile Country Code
* Mobile Network Code
*/
uint16_t mcc;
uint16_t mnc;
uint8_t mnc_digit_length;
/*
* EARFCN
*/
uint16_t fdd_uL_EARFCN;
uint16_t fdd_dL_EARFCN;
uint16_t tdd_EARFCN;
uint16_t fdd_uL_Transmission_Bandwidth;
uint16_t fdd_dL_Transmission_Bandwidth;
uint16_t tdd_Transmission_Bandwidth;
/* The local eNB IP address to bind */
net_ip_address_t enb_x2_ip_address;
/* Nb of MME to connect to */
uint8_t nb_x2;
/* List of target eNB to connect to for X2*/
net_ip_address_t target_enb_x2_ip_address[X2AP_MAX_NB_ENB_IP_ADDRESS];
/* Number of SCTP streams used for associations */
uint16_t sctp_in_streams;
uint16_t sctp_out_streams;
} x2ap_register_enb_req_t;
//-------------------------------------------------------------------------------------------//
// X2AP -> eNB application layer messages
typedef struct x2ap_register_enb_cnf_s {
/* Nb of connected eNBs*/
uint8_t nb_x2;
} x2ap_register_enb_cnf_t;
typedef struct x2ap_deregistered_enb_ind_s {
/* Nb of connected eNBs */
uint8_t nb_x2;
} x2ap_deregistered_enb_ind_t;
//-------------------------------------------------------------------------------------------//
// X2AP <-> RRC
typedef struct x2ap_gummei_s {
uint16_t mcc;
uint16_t mnc;
uint8_t mnc_len;
uint8_t mme_code;
uint16_t mme_group_id;
} x2ap_gummei_t;
typedef struct x2ap_lastvisitedcell_info_s {
uint16_t mcc;
uint16_t mnc;
uint8_t mnc_len;
PhysCellId_t target_physCellId;
cell_type_t cell_type;
uint64_t time_UE_StayedInCell;
}x2ap_lastvisitedcell_info_t;
//used for src
typedef struct x2ap_handover_req_s {
int source_rnti; /* TODO: to be fixed/remove */
int source_x2id; /* TODO: to be fixed/remove */
unsigned old_eNB_ue_s1ap_id:24;
PhysCellId_t target_physCellId;
x2ap_gummei_t ue_gummei;
/*UE-ContextInformation */
/* MME UE id */
uint32_t mme_ue_s1ap_id;
security_capabilities_t security_capabilities;
uint8_t kenb[32]; // keNB or keNB*
/*next_hop_chaining_coun */
long int kenb_ncc;
/* UE aggregate maximum bitrate */
ambr_t ue_ambr;
uint8_t nb_e_rabs_tobesetup;
/* list of e_rab setup-ed by RRC layers */
e_rab_setup_t e_rabs_tobesetup[S1AP_MAX_E_RAB];
/* ue_context_pP->ue_context.e_rab[i].param.sgw_addr; */
x2ap_lastvisitedcell_info_t lastvisitedcell_info;
/* TODO: this parameter has to be removed */
int target_mod_id;
} x2ap_handover_req_t;
typedef struct x2ap_handover_req_ack_s {
int source_rnti; /* TODO: to be fixed/remove */
int source_x2id; /* TODO: to be fixed/remove */
/* TODO: this parameter has to be removed */
int target_mod_id;
uint8_t rrc_buffer[1024 /* arbitrary, big enough */];
int rrc_buffer_size;
uint32_t mme_ue_s1ap_id;
} x2ap_handover_req_ack_t;
#endif /* X2AP_MESSAGES_TYPES_H_ */