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Enabling ITTI interactions between RRC and X2AP for the generation of sgb addition request ACK message at the gNB side

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This commit is contained in:
Sakthivel Velumani
2019-12-04 15:30:17 +01:00
parent bc580bd6be
commit 5bda11024d
8 changed files with 411 additions and 12 deletions
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openair2/X2AP/x2ap_eNB.c
+48
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@@ -446,6 +446,47 @@ void x2ap_eNB_handle_handover_req_ack(instance_t instance,
x2ap_eNB_generate_x2_handover_request_ack(instance_p, target, x2ap_handover_req_ack);
}
static
void x2ap_eNB_handle_sgNB_add_req_ack(instance_t instance,
x2ap_ENDC_sgnb_addition_req_ACK_t *x2ap_ENDC_sgnb_addition_req_ACK)
{
/* TODO: remove this hack (the goal is to find the correct
* eNodeB structure for the other end) - we need a proper way for RRC
* and X2AP to identify eNodeBs
* RRC knows about mod_id and X2AP knows about eNB_id (eNB_ID in
* the configuration file)
* as far as I understand.. CROUX
*/
x2ap_eNB_instance_t *instance_p;
x2ap_eNB_data_t *target;
/*int source_assoc_id = x2ap_ENDC_sgnb_addition_req_ACK->source_assoc_id;
int ue_id;
int id_source;
int id_target;*/
instance_p = x2ap_eNB_get_instance(instance);
DevAssert(instance_p != NULL);
/*target = x2ap_get_eNB(NULL, source_assoc_id, 0);
DevAssert(target != NULL);*/
// rnti is a new information, save it
/*ue_id = x2ap_handover_req_ack->x2_id_target;
id_source = x2ap_id_get_id_source(&instance_p->id_manager, ue_id);
id_target = ue_id;
x2ap_set_ids(&instance_p->id_manager, ue_id, x2ap_handover_req_ack->rnti, id_source, id_target);*/
//target = x2ap_get_eNB(NULL, 17, 0);
target = x2ap_is_eNB_id_in_list (3585); //Currently hardcoded. Need to extract it differently
DevAssert(target != NULL);
x2ap_eNB_generate_ENDC_x2_SgNB_addition_request_ACK(instance_p, target, x2ap_ENDC_sgnb_addition_req_ACK, 0);
}
static
void x2ap_eNB_ue_context_release(instance_t instance,
x2ap_ue_context_release_t *x2ap_ue_context_release)
@@ -511,6 +552,13 @@ void *x2ap_task(void *arg) {
&X2AP_UE_CONTEXT_RELEASE(received_msg));
break;
case X2AP_ENDC_SGNB_ADDITION_REQ_ACK:
x2ap_eNB_handle_sgNB_add_req_ack(ITTI_MESSAGE_GET_INSTANCE(received_msg),
&X2AP_ENDC_SGNB_ADDITION_REQ_ACK(received_msg));
LOG_I(X2AP, "Received elements for X2AP_ENDC_SGNB_ADDITION_REQ_ACK \n");
break;
case SCTP_INIT_MSG_MULTI_CNF:
x2ap_eNB_handle_sctp_init_msg_multi_cnf(ITTI_MESSAGE_GET_INSTANCE(received_msg),
&received_msg->ittiMsg.sctp_init_msg_multi_cnf);
openair2/X2AP/x2ap_eNB_generate_messages.c
+9
View File
@@ -1673,3 +1673,12 @@ int x2ap_eNB_generate_ENDC_x2_SgNB_addition_request(
}
int x2ap_eNB_generate_ENDC_x2_SgNB_addition_request_ACK( x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p,
x2ap_ENDC_sgnb_addition_req_ACK_t *x2ap_sgnb_addition_req_ACK, int ue_id)
{
return 0;
}
openair2/X2AP/x2ap_eNB_generate_messages.h
+2
View File
@@ -72,4 +72,6 @@ int x2ap_eNB_generate_ENDC_x2_setup_response( x2ap_eNB_instance_t *instance_p, x
int x2ap_eNB_generate_ENDC_x2_SgNB_addition_request( x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p, int ue_id);
int x2ap_eNB_generate_ENDC_x2_SgNB_addition_request_ACK( x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p, x2ap_ENDC_sgnb_addition_req_ACK_t *x2ap_sgnb_addition_req_ACK, int ue_id);
#endif /* X2AP_ENB_GENERATE_MESSAGES_H_ */
openair2/X2AP/x2ap_eNB_handler.c
+3 -1
View File
@@ -1470,7 +1470,7 @@ x2ap_eNB_handle_ENDC_x2_setup_request(instance_t instance,
instance_p = x2ap_eNB_get_instance(instance);
DevAssert(instance_p != NULL);
//return x2ap_eNB_generate_ENDC_x2_setup_response(instance_p, x2ap_eNB_data);
x2ap_eNB_generate_ENDC_x2_setup_response(instance_p, x2ap_eNB_data);
return x2ap_eNB_generate_ENDC_x2_SgNB_addition_request(instance_p, x2ap_eNB_data,0);
}
@@ -1658,6 +1658,8 @@ int x2ap_gNB_handle_ENDC_sGNB_addition_request (instance_t instance,
x2ap_eNB_data = x2ap_get_eNB(NULL, assoc_id, 0);
DevAssert(x2ap_eNB_data != NULL);
X2AP_INFO("X2AP Association id: %d \n",assoc_id);
instance_p = x2ap_eNB_get_instance(instance);
DevAssert(instance_p != NULL);