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Add F1AP positioning activation response message enc/dec + test

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Reference: 3GPP 38.473 v16.21.0
Mandatory fields:
gNB-CU UE F1AP ID (supported)
gNB-DU UE F1AP ID (supported)
Optional fields:
System Frame Number (not supported)
Slot Number (not supported)
Criticality Diagnostics (not supported)
This commit is contained in:
Rakesh Mundlamuri
2026-01-15 15:00:31 +05:30
parent 9b64634652
commit cf5467e4cc
4 changed files with 161 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/COMMON/f1ap_messages_types.h
+7
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@@ -1067,4 +1067,11 @@ typedef struct f1ap_positioning_activation_req_s {
f1ap_srs_type_t srs_type;
} f1ap_positioning_activation_req_t;
typedef struct f1ap_positioning_activation_resp_s {
// IE 9.3.1.4 (mandatory)
uint32_t gNB_CU_ue_id;
// IE 9.3.1.5 (mandatory)
uint32_t gNB_DU_ue_id;
} f1ap_positioning_activation_resp_t;
#endif /* F1AP_MESSAGES_TYPES_H_ */
openair2/F1AP/lib/f1ap_positioning.c
+117
View File
@@ -2603,3 +2603,120 @@ void free_positioning_activation_req(f1ap_positioning_activation_req_t *msg)
break;
}
}
/**
* @brief Encode F1 positioning activation response to ASN.1
*/
F1AP_F1AP_PDU_t *encode_positioning_activation_resp(const f1ap_positioning_activation_resp_t *msg)
{
F1AP_F1AP_PDU_t *pdu = calloc_or_fail(1, sizeof(*pdu));
/* Message Type */
pdu->present = F1AP_F1AP_PDU_PR_successfulOutcome;
asn1cCalloc(pdu->choice.successfulOutcome, tmp);
tmp->procedureCode = F1AP_ProcedureCode_id_PositioningActivation;
tmp->criticality = F1AP_Criticality_reject;
tmp->value.present = F1AP_SuccessfulOutcome__value_PR_PositioningActivationResponse;
F1AP_PositioningActivationResponse_t *out = &tmp->value.choice.PositioningActivationResponse;
/* mandatory : GNB_CU_UE_F1AP_ID */
asn1cSequenceAdd(out->protocolIEs.list, F1AP_PositioningActivationResponseIEs_t, ie1);
ie1->id = F1AP_ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID;
ie1->criticality = F1AP_Criticality_reject;
ie1->value.present = F1AP_PositioningActivationResponseIEs__value_PR_GNB_CU_UE_F1AP_ID;
ie1->value.choice.GNB_CU_UE_F1AP_ID = msg->gNB_CU_ue_id;
/* mandatory : GNB_DU_UE_F1AP_ID */
asn1cSequenceAdd(out->protocolIEs.list, F1AP_PositioningActivationResponseIEs_t, ie2);
ie2->id = F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID;
ie2->criticality = F1AP_Criticality_reject;
ie2->value.present = F1AP_PositioningActivationResponseIEs__value_PR_GNB_DU_UE_F1AP_ID;
ie2->value.choice.GNB_DU_UE_F1AP_ID = msg->gNB_DU_ue_id;
return pdu;
}
/**
* @brief Decode F1 positioning activation response
*/
bool decode_positioning_activation_resp(const F1AP_F1AP_PDU_t *pdu, f1ap_positioning_activation_resp_t *out)
{
DevAssert(out != NULL);
memset(out, 0, sizeof(*out));
F1AP_PositioningActivationResponse_t *in = &pdu->choice.successfulOutcome->value.choice.PositioningActivationResponse;
F1AP_PositioningActivationResponseIEs_t *ie;
F1AP_LIB_FIND_IE(F1AP_PositioningActivationResponseIEs_t,
ie,
&in->protocolIEs.list,
F1AP_ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID,
true);
F1AP_LIB_FIND_IE(F1AP_PositioningActivationResponseIEs_t,
ie,
&in->protocolIEs.list,
F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID,
true);
for (int i = 0; i < in->protocolIEs.list.count; ++i) {
ie = in->protocolIEs.list.array[i];
AssertError(ie != NULL, return false, "in->protocolIEs.list.array[i] is NULL");
switch (ie->id) {
case F1AP_ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID:
_F1_EQ_CHECK_INT(ie->value.present, F1AP_PositioningActivationResponseIEs__value_PR_GNB_CU_UE_F1AP_ID);
out->gNB_CU_ue_id = ie->value.choice.GNB_CU_UE_F1AP_ID;
break;
case F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID:
_F1_EQ_CHECK_INT(ie->value.present, F1AP_PositioningActivationResponseIEs__value_PR_GNB_DU_UE_F1AP_ID);
out->gNB_DU_ue_id = ie->value.choice.GNB_DU_UE_F1AP_ID;
break;
case F1AP_ProtocolIE_ID_id_SystemFrameNumber:
PRINT_ERROR("F1AP_ProtocolIE_ID_id %ld not handled, skipping\n", ie->id);
break;
case F1AP_ProtocolIE_ID_id_SlotNumber:
PRINT_ERROR("F1AP_ProtocolIE_ID_id %ld not handled, skipping\n", ie->id);
break;
case F1AP_ProtocolIE_ID_id_CriticalityDiagnostics:
PRINT_ERROR("F1AP_ProtocolIE_ID_id %ld not handled, skipping\n", ie->id);
break;
default:
PRINT_ERROR("F1AP_ProtocolIE_ID_id %ld unknown, skipping\n", ie->id);
break;
}
}
return true;
}
/**
* @brief F1 positioning activation response deep copy
*/
f1ap_positioning_activation_resp_t cp_positioning_activation_resp(const f1ap_positioning_activation_resp_t *orig)
{
/* copy all mandatory fields that are not dynamic memory */
f1ap_positioning_activation_resp_t cp = {
.gNB_CU_ue_id = orig->gNB_CU_ue_id,
.gNB_DU_ue_id = orig->gNB_DU_ue_id,
};
return cp;
}
/**
* @brief F1 positioning activation response equality check
*/
bool eq_positioning_activation_resp(const f1ap_positioning_activation_resp_t *a, const f1ap_positioning_activation_resp_t *b)
{
_F1_EQ_CHECK_INT(a->gNB_CU_ue_id, b->gNB_CU_ue_id);
_F1_EQ_CHECK_INT(a->gNB_DU_ue_id, b->gNB_DU_ue_id);
return true;
}
/**
* @brief Free Allocated F1 positioning activation response
*/
void free_positioning_activation_resp(f1ap_positioning_activation_resp_t *msg)
{
// nothing to free
}
openair2/F1AP/lib/f1ap_positioning.h
+7
View File
@@ -56,4 +56,11 @@ f1ap_positioning_activation_req_t cp_positioning_activation_req(const f1ap_posit
bool eq_positioning_activation_req(const f1ap_positioning_activation_req_t *a, const f1ap_positioning_activation_req_t *b);
void free_positioning_activation_req(f1ap_positioning_activation_req_t *msg);
// positioning activation response
struct F1AP_F1AP_PDU *encode_positioning_activation_resp(const f1ap_positioning_activation_resp_t *msg);
bool decode_positioning_activation_resp(const struct F1AP_F1AP_PDU *pdu, f1ap_positioning_activation_resp_t *out);
f1ap_positioning_activation_resp_t cp_positioning_activation_resp(const f1ap_positioning_activation_resp_t *orig);
bool eq_positioning_activation_resp(const f1ap_positioning_activation_resp_t *a, const f1ap_positioning_activation_resp_t *b);
void free_positioning_activation_resp(f1ap_positioning_activation_resp_t *msg);
#endif /* F1AP_POSITIONING_H_ */
openair2/F1AP/tests/f1ap_lib_test.c
+30
View File
@@ -1687,6 +1687,35 @@ static void test_f1ap_positioning_activation_request()
printf("%s() successful\n", __func__);
}
static void test_f1ap_positioning_activation_response()
{
f1ap_positioning_activation_resp_t orig = {
.gNB_CU_ue_id = 12,
.gNB_DU_ue_id = 19,
// rest is optional and intentionally left empty
};
F1AP_F1AP_PDU_t *f1enc = encode_positioning_activation_resp(&orig);
F1AP_F1AP_PDU_t *f1dec = f1ap_encode_decode(f1enc);
f1ap_msg_free(f1enc);
f1ap_positioning_activation_resp_t decoded = {0};
bool ret = decode_positioning_activation_resp(f1dec, &decoded);
AssertFatal(ret, "decode_positioning_activation_resp(): could not decode message\n");
f1ap_msg_free(f1dec);
ret = eq_positioning_activation_resp(&orig, &decoded);
AssertFatal(ret, "eq_positioning_activation_resp(): decoded message doesn't match\n");
free_positioning_activation_resp(&decoded);
f1ap_positioning_activation_resp_t cp = cp_positioning_activation_resp(&orig);
ret = eq_positioning_activation_resp(&orig, &cp);
AssertFatal(ret, "eq_positioning_activation_resp(): copied message doesn't match\n");
free_positioning_activation_resp(&orig);
free_positioning_activation_resp(&cp);
printf("%s() successful\n", __func__);
}
int main()
{
test_initial_ul_rrc_message_transfer();
@@ -1717,5 +1746,6 @@ int main()
test_f1ap_positioning_information_response();
test_f1ap_positioning_information_failure();
test_f1ap_positioning_activation_request();
test_f1ap_positioning_activation_response();
return 0;
}