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F1AP: send() functions take assoc_id

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To allow to send F1 messages to multiple DUs from the CU, we need to
send these messages via different assoc_id (SCTP association ID,
basically akin to a file descriptor). Currently, the assoc_id is stored
in a context at the F1 module and retrieved in
f1ap_itti_send_sctp_data_req().

To facilitate a later change towards indicating (from the RRC) to which
assoc_id (hence, DU) to send a message, we refactor all
CU_send_*()/DU_send_*() functions to take the assoc_id as a parameter to
which to send messages. In this commit, we then pass the assoc_id from
the context. A later commit changes this (at the CU) to pass the
assoc_id from the message to be sent.
This commit is contained in:
Robert Schmidt
2023-11-08 10:18:52 +01:00
parent 474c3507f1
commit 4c2bfe7a1f
18 changed files with 147 additions and 159 deletions
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openair2/F1AP/f1ap_du_interface_management.c
+18 -16
View File
@@ -55,11 +55,12 @@ int DU_handle_RESET(instance_t instance, sctp_assoc_t assoc_id, uint32_t stream,
AssertFatal(1==0,"Not implemented yet\n");
}
int DU_send_RESET_ACKKNOWLEDGE(instance_t instance, F1AP_ResetAcknowledge_t *ResetAcknowledge) {
int DU_send_RESET_ACKKNOWLEDGE(sctp_assoc_t assoc_id, F1AP_ResetAcknowledge_t *ResetAcknowledge) {
AssertFatal(1==0,"Not implemented yet\n");
}
int DU_send_RESET(instance_t instance, F1AP_Reset_t *Reset) {
int DU_send_RESET(sctp_assoc_t assoc_id, F1AP_Reset_t *Reset)
{
AssertFatal(1==0,"Not implemented yet\n");
}
@@ -72,7 +73,8 @@ int DU_handle_RESET_ACKNOWLEDGE(instance_t instance, sctp_assoc_t assoc_id, uint
Error Indication
*/
int DU_send_ERROR_INDICATION(instance_t instance, F1AP_F1AP_PDU_t *pdu_p) {
int DU_send_ERROR_INDICATION(sctp_assoc_t assoc_id, F1AP_F1AP_PDU_t *pdu_p)
{
AssertFatal(1==0,"Not implemented yet\n");
}
@@ -86,7 +88,7 @@ int DU_handle_ERROR_INDICATION(instance_t instance, sctp_assoc_t assoc_id, uint3
*/
// SETUP REQUEST
int DU_send_F1_SETUP_REQUEST(instance_t instance, f1ap_setup_req_t *setup_req)
int DU_send_F1_SETUP_REQUEST(sctp_assoc_t assoc_id, f1ap_setup_req_t *setup_req)
{
F1AP_F1AP_PDU_t pdu= {0};
uint8_t *buffer;
@@ -298,7 +300,7 @@ int DU_send_F1_SETUP_REQUEST(instance_t instance, f1ap_setup_req_t *setup_req)
}
ASN_STRUCT_RESET(asn_DEF_F1AP_F1AP_PDU, &pdu);
f1ap_itti_send_sctp_data_req(instance, buffer, len);
f1ap_itti_send_sctp_data_req(assoc_id, buffer, len);
return 0;
}
@@ -494,10 +496,8 @@ int DU_handle_F1_SETUP_FAILURE(instance_t instance, sctp_assoc_t assoc_id, uint3
gNB-DU Configuration Update
*/
//void DU_send_gNB_DU_CONFIGURATION_UPDATE(F1AP_GNBDUConfigurationUpdate_t *GNBDUConfigurationUpdate) {
int DU_send_gNB_DU_CONFIGURATION_UPDATE(instance_t instance,
instance_t du_mod_idP,
f1ap_setup_req_t *f1ap_setup_req) {
int DU_send_gNB_DU_CONFIGURATION_UPDATE(sctp_assoc_t assoc_id, f1ap_setup_req_t *f1ap_setup_req)
{
F1AP_F1AP_PDU_t pdu= {0};
uint8_t *buffer=NULL;
uint32_t len=0;
@@ -893,14 +893,16 @@ int DU_handle_gNB_CU_CONFIGURATION_UPDATE(instance_t instance, sctp_assoc_t asso
return 0;
}
int DU_send_gNB_CU_CONFIGURATION_UPDATE_FAILURE(instance_t instance,
int DU_send_gNB_CU_CONFIGURATION_UPDATE_FAILURE(sctp_assoc_t assoc_id,
f1ap_gnb_cu_configuration_update_failure_t *GNBCUConfigurationUpdateFailure) {
AssertFatal(1==0,"received gNB CU CONFIGURATION UPDATE FAILURE with cause %d\n",
GNBCUConfigurationUpdateFailure->cause);
}
int DU_send_gNB_CU_CONFIGURATION_UPDATE_ACKNOWLEDGE(instance_t instance,
f1ap_gnb_cu_configuration_update_acknowledge_t *GNBCUConfigurationUpdateAcknowledge) {
int DU_send_gNB_CU_CONFIGURATION_UPDATE_ACKNOWLEDGE(
sctp_assoc_t assoc_id,
f1ap_gnb_cu_configuration_update_acknowledge_t *GNBCUConfigurationUpdateAcknowledge)
{
AssertFatal(GNBCUConfigurationUpdateAcknowledge->num_cells_failed_to_be_activated == 0,
"%d cells failed to activate\n",
GNBCUConfigurationUpdateAcknowledge->num_cells_failed_to_be_activated);
@@ -939,13 +941,13 @@ int DU_send_gNB_CU_CONFIGURATION_UPDATE_ACKNOWLEDGE(instance_t instance,
}
ASN_STRUCT_RESET(asn_DEF_F1AP_F1AP_PDU, &pdu);
f1ap_itti_send_sctp_data_req(instance, buffer, len);
f1ap_itti_send_sctp_data_req(assoc_id, buffer, len);
return 0;
}
int DU_send_gNB_DU_RESOURCE_COORDINATION_REQUEST(instance_t instance,
F1AP_GNBDUResourceCoordinationRequest_t *GNBDUResourceCoordinationRequest) {
int DU_send_gNB_DU_RESOURCE_COORDINATION_REQUEST(sctp_assoc_t assoc_id,
F1AP_GNBDUResourceCoordinationRequest_t *GNBDUResourceCoordinationRequest)
{
AssertFatal(0, "Not implemented yet\n");
}