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Add F1AP trp information response message enc/dec + test

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Reference: 3GPP 38.473 v16.21.0
Mandatory fields:
Transcation ID (supported)
TRP Information List (range : 1)
 > TRP Information Item (range : 1..65535)
   >> TRP Information (supported)

Further details of TRP Information:
TRP ID
TRP Information Type Response List (range : 1)
 > TRP Information Type Response Item (range : 1..64)
   >> CHOICE TRP Information Type Response Item
      >>> NR PCI (madatory : supported)
      >>> NG-RAN CGI (madatory : supported)
      >>> NR ARFCN (madatory : supported)
      >>> PRS Configuration (madatory : not supported)
      >>> SSB Information (madatory : not supported)
      >>> SFN Initialisation Time (madatory : not supported)
      >>> Spatial Direction Information (madatory : not supported)
      >>> Geographical Coordinates (madatory : supported)

For now, we only use Geographical Coordinates.

Optional fields:
Criticality Diagnostics (not supported)
This commit is contained in:
Rakesh Mundlamuri
2026-01-15 15:26:28 +05:30
parent af4a030997
commit 30d3479782
5 changed files with 1260 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/F1AP/tests/f1ap_lib_test.c
+81
View File
@@ -1866,6 +1866,86 @@ static void test_f1ap_trp_information_request()
printf("%s() successful\n", __func__);
}
static void test_f1ap_trp_information_response()
{
f1ap_trp_information_resp_t orig = {
.transaction_id = 12,
};
orig.trp_information_list.trp_information_item_length = 3;
uint32_t trp_info_item_len = orig.trp_information_list.trp_information_item_length;
orig.trp_information_list.trp_information_item =
calloc_or_fail(trp_info_item_len, sizeof(*orig.trp_information_list.trp_information_item));
uint8_t trp_info_type_resp_item_len = 3;
for (int i = 0; i < trp_info_item_len; i++) {
f1ap_trp_information_t *tRPInformation = &orig.trp_information_list.trp_information_item[i];
tRPInformation->trp_information_type_response_list.trp_information_type_response_item_length = trp_info_type_resp_item_len;
tRPInformation->trp_id = 11 + i;
f1ap_trp_information_type_response_item_t *trp_info_type_resp_item =
calloc_or_fail(trp_info_type_resp_item_len, sizeof(*trp_info_type_resp_item));
tRPInformation->trp_information_type_response_list.trp_information_type_response_item = trp_info_type_resp_item;
// nrPCI
trp_info_type_resp_item[0].present = F1AP_TRP_INFORMATION_TYPE_RESPONSE_ITEM_PR_PCI_NR;
trp_info_type_resp_item[0].choice.pci_nr = 123 + i;
// nG_RAN_CGI
trp_info_type_resp_item[1].present = F1AP_TRP_INFORMATION_TYPE_RESPONSE_ITEM_PR_NG_RAN_CGI;
trp_info_type_resp_item[1].choice.ng_ran_cgi.plmn.mcc = 208;
trp_info_type_resp_item[1].choice.ng_ran_cgi.plmn.mnc = 92 + i;
trp_info_type_resp_item[1].choice.ng_ran_cgi.plmn.mnc_digit_length = 2;
trp_info_type_resp_item[1].choice.ng_ran_cgi.nr_cellid = 117 + i;
// geographicalCoordinates
trp_info_type_resp_item[2].present = F1AP_TRP_INFORMATION_TYPE_RESPONSE_ITEM_PR_GEOGRAPHICALCOORDINATES;
f1ap_geographical_coordinates_t *geographical_coordinates = &trp_info_type_resp_item[2].choice.geographical_coordinates;
f1ap_trp_position_definition_type_t *tRPPositionDefinitionType = &geographical_coordinates->trp_position_definition_type;
// referenced
tRPPositionDefinitionType->present = F1AP_TRP_POSITION_DEFINITION_TYPE_PR_REFERENCED;
f1ap_trp_position_referenced_t *referenced = &tRPPositionDefinitionType->choice.referenced;
// coordinate ID
referenced->reference_point.present = F1AP_REFERENCE_POINT_PR_COORDINATEID;
referenced->reference_point.choice.coordinate_id = 2;
f1ap_trp_reference_point_type_t *referencePointType = &referenced->reference_point_type;
// relative cartesian
referencePointType->present = F1AP_TRP_REFERENCE_POINT_TYPE_PR_TRPPOSITION_RELATIVE_CARTESIAN;
f1ap_relative_cartesian_location_t *trp_pos_cart = &referencePointType->choice.trp_position_relative_cartesian;
// 0 = millimeter
trp_pos_cart->xyz_unit = 0;
// random reference cartesian coordinates in millimeter
trp_pos_cart->xvalue = 7100 + i * 2;
trp_pos_cart->yvalue = 1100 + i * 2;
trp_pos_cart->zvalue = -4100 + i * 2;
// testing random values for uncertainity and confidence
trp_pos_cart->location_uncertainty.horizontal_uncertainty = i + 1;
trp_pos_cart->location_uncertainty.horizontal_confidence = i + 2;
trp_pos_cart->location_uncertainty.vertical_uncertainty = i + 3;
trp_pos_cart->location_uncertainty.vertical_confidence = i + 4;
}
F1AP_F1AP_PDU_t *f1enc = encode_trp_information_resp(&orig);
F1AP_F1AP_PDU_t *f1dec = f1ap_encode_decode(f1enc);
f1ap_msg_free(f1enc);
f1ap_trp_information_resp_t decoded = {0};
bool ret = decode_trp_information_resp(f1dec, &decoded);
AssertFatal(ret, "decode_trp_information_resp(): could not decode message\n");
f1ap_msg_free(f1dec);
ret = eq_trp_information_resp(&orig, &decoded);
AssertFatal(ret, "eq_trp_information_resp(): decoded message doesn't match\n");
free_trp_information_resp(&decoded);
f1ap_trp_information_resp_t cp = cp_trp_information_resp(&orig);
ret = eq_trp_information_resp(&orig, &cp);
AssertFatal(ret, "eq_trp_information_resp(): copied message doesn't match\n");
free_trp_information_resp(&orig);
free_trp_information_resp(&cp);
printf("%s() successful\n", __func__);
}
int main()
{
test_initial_ul_rrc_message_transfer();
@@ -1901,5 +1981,6 @@ int main()
test_f1ap_positioning_deactivation();
test_f1ap_positioning_information_update();
test_f1ap_trp_information_request();
test_f1ap_trp_information_response();
return 0;
}