Add mutual O-RAN E2SM UE ID filling info

openair2/E2AP/RAN_FUNCTION/CMakeLists.txt

@@ -6,6 +6,7 @@ add_library(e2_ran_func_cuup STATIC
             CUSTOMIZED/ran_func_pdcp.c  # current implementation doesn't take split architecture into account, neither CU/DU nor CU-UP/CU-CP
             CUSTOMIZED/ran_func_tc.c     # currently, not implemented; therefore, filling rnd data
             ../flexric/test/rnd/fill_rnd_data_tc.c
+            O-RAN/ran_e2sm_ue_id.c
             O-RAN/ran_func_kpm.c    # this file should only contain PDCP-U/GTP; to be done in the future
             ../flexric/test/rnd/fill_rnd_data_kpm.c  # this dependancy will be taken out once RAN Function Definition is implemented
             O-RAN/ran_func_rc.c     # this file should only contain PDCP-U/GTP; to be done in the future
@@ -23,6 +24,7 @@ add_library(e2_ran_func_du_cucp_cuup STATIC
             ../flexric/test/rnd/fill_rnd_data_e2_setup_req.c  # this is not rnd data; it is used to fill E2 Node Component Configuration Addition List in E2 Setup Request message
             CUSTOMIZED/ran_func_gtp.c   # current implementation doesn't take split architecture into account, neither CU/DU nor CU-UP/CU-CP
             CUSTOMIZED/ran_func_pdcp.c  # current implementation doesn't take split architecture into account, neither CU/DU nor CU-UP/CU-CP
+            O-RAN/ran_e2sm_ue_id.c
             O-RAN/ran_func_kpm.c    # this file should only contain RRC/PDCP-C; to be done in the future
                                     # when nr-softmodem is divided in separate executables
             ../flexric/test/rnd/fill_rnd_data_kpm.c  # this dependancy will be taken out once RAN Function Definition is implemented

openair2/E2AP/RAN_FUNCTION/O-RAN/ran_e2sm_ue_id.c

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+#include "ran_e2sm_ue_id.h"
+
+ue_id_e2sm_t fill_e2sm_gnb_ue_id_data(const gNB_RRC_UE_t *rrc_ue_context, __attribute__((unused))const uint32_t rrc_ue_id, __attribute__((unused))const ue_id_t cucp_ue_id)
+{
+  ue_id_e2sm_t ue_id = {0};
+
+  ue_id.type = GNB_UE_ID_E2SM;
+
+  // 6.2.3.16
+  // Mandatory
+  // AMF UE NGAP ID
+  ue_id.gnb.amf_ue_ngap_id = rrc_ue_context->amf_ue_ngap_id;
+
+  // Mandatory
+  //GUAMI 6.2.3.17 
+  ue_id.gnb.guami.plmn_id = (e2sm_plmn_t) {
+                                    .mcc = rrc_ue_context->ue_guami.mcc,
+                                    .mnc = rrc_ue_context->ue_guami.mnc,
+                                    .mnc_digit_len = rrc_ue_context->ue_guami.mnc_len
+                                    };
+  
+  ue_id.gnb.guami.amf_region_id = rrc_ue_context->ue_guami.amf_region_id;
+  ue_id.gnb.guami.amf_set_id = rrc_ue_context->ue_guami.amf_set_id;
+  ue_id.gnb.guami.amf_ptr = rrc_ue_context->ue_guami.amf_pointer;
+
+  // RAN UE ID
+  // Optional
+  // 6.2.3.25
+  // OCTET STRING (SIZE (8))
+  // Defined in TS 38.473 (F1AP) 
+  // clause 9.2.2.1
+  // UE CONTEXT SETUP REQUEST
+  ue_id.gnb.ran_ue_id = calloc(1, sizeof(uint64_t));
+  assert(ue_id.gnb.ran_ue_id != NULL);
+  *ue_id.gnb.ran_ue_id = rrc_ue_context->rrc_ue_id;
+
+  return ue_id;
+}
+
+ue_id_e2sm_t fill_e2sm_cu_ue_id_data(const gNB_RRC_UE_t *rrc_ue_context, const uint32_t rrc_ue_id, const ue_id_t cucp_ue_id)
+{
+  ue_id_e2sm_t ue_id = fill_e2sm_gnb_ue_id_data(rrc_ue_context, rrc_ue_id, cucp_ue_id);
+
+  // gNB-CU UE F1AP ID List
+  // C-ifCUDUseparated
+  ue_id.gnb.gnb_cu_ue_f1ap_lst_len = 1;
+  ue_id.gnb.gnb_cu_ue_f1ap_lst = calloc(ue_id.gnb.gnb_cu_ue_f1ap_lst_len, sizeof(uint32_t));
+  assert(ue_id.gnb.gnb_cu_ue_f1ap_lst != NULL && "Memory exhausted");
+  ue_id.gnb.gnb_cu_ue_f1ap_lst[0] = rrc_ue_context->rrc_ue_id;
+
+  return ue_id;
+}
+
+ue_id_e2sm_t fill_e2sm_du_ue_id_data(__attribute__((unused))const gNB_RRC_UE_t *rrc_ue_context, const uint32_t rrc_ue_id, __attribute__((unused))const ue_id_t cucp_ue_id)
+{
+  ue_id_e2sm_t ue_id = {0};
+
+  ue_id.type = GNB_DU_UE_ID_E2SM;
+
+  // 6.2.3.21
+  // gNB CU UE F1AP
+  // Mandatory
+  ue_id.gnb_du.gnb_cu_ue_f1ap = rrc_ue_id;
+
+  // 6.2.3.25
+  // RAN UE ID
+  // Optional
+  ue_id.gnb_du.ran_ue_id = calloc(1, sizeof(uint64_t));
+  assert(ue_id.gnb_du.ran_ue_id != NULL);
+  *ue_id.gnb_du.ran_ue_id = rrc_ue_id;
+
+  return ue_id;
+}
+
+ue_id_e2sm_t fill_e2sm_cucp_ue_id_data(const gNB_RRC_UE_t *rrc_ue_context, const uint32_t rrc_ue_id, const ue_id_t cucp_ue_id)
+{
+  ue_id_e2sm_t ue_id = fill_e2sm_gnb_ue_id_data(rrc_ue_context, rrc_ue_id, cucp_ue_id);
+
+  //gNB-CU-CP UE E1AP ID List
+  //C-ifCPUPseparated 
+  ue_id.gnb.gnb_cu_cp_ue_e1ap_lst_len = 1;
+  ue_id.gnb.gnb_cu_cp_ue_e1ap_lst = calloc(ue_id.gnb.gnb_cu_cp_ue_e1ap_lst_len, sizeof(uint32_t));
+  assert(ue_id.gnb.gnb_cu_cp_ue_e1ap_lst != NULL && "Memory exhausted");
+  ue_id.gnb.gnb_cu_cp_ue_e1ap_lst[0] = rrc_ue_context->rrc_ue_id;
+
+  return ue_id;
+}
+
+ue_id_e2sm_t fill_e2sm_cuup_ue_id_data(__attribute__((unused))const gNB_RRC_UE_t *rrc_ue_context, __attribute__((unused))const uint32_t rrc_ue_id, const ue_id_t cucp_ue_id)
+{
+  ue_id_e2sm_t ue_id = {0};
+
+  ue_id.type = GNB_CU_UP_UE_ID_E2SM;
+
+  // 6.2.3.20
+  // Mandatory
+  ue_id.gnb_cu_up.gnb_cu_cp_ue_e1ap = cucp_ue_id;  // RAN UE NGAP ID = gNB UE NGAP ID = rrc_ue_id
+
+  // 6.2.3.25
+  // RAN UE ID
+  // Optional
+  ue_id.gnb_cu_up.ran_ue_id = calloc(1, sizeof(uint64_t));
+  assert(ue_id.gnb_cu_up.ran_ue_id != NULL);
+  *ue_id.gnb_cu_up.ran_ue_id = cucp_ue_id;  // RAN UE NGAP ID = gNB UE NGAP ID = rrc_ue_id
+
+  return ue_id;
+}
+
+get_ue_id fill_ue_id_data[END_NGRAN_NODE_TYPE] =
+{
+  NULL,
+  NULL,
+  fill_e2sm_gnb_ue_id_data,
+  NULL,
+  NULL,
+  fill_e2sm_cu_ue_id_data,
+  NULL,
+  fill_e2sm_du_ue_id_data,
+  NULL,
+  fill_e2sm_cucp_ue_id_data,
+  fill_e2sm_cuup_ue_id_data,
+};

openair2/E2AP/RAN_FUNCTION/O-RAN/ran_e2sm_ue_id.h

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+#ifndef RAN_E2SM_UE_ID_H
+#define RAN_E2SM_UE_ID_H
+
+#include "openair2/E2AP/flexric/src/agent/../sm/sm_io.h"
+#include "openair2/RRC/NR/rrc_gNB_UE_context.h"
+
+ue_id_e2sm_t fill_e2sm_gnb_ue_id_data(const gNB_RRC_UE_t *rrc_ue_context, const uint32_t rrc_ue_id, const ue_id_t cucp_ue_id);
+
+ue_id_e2sm_t fill_e2sm_cu_ue_id_data(const gNB_RRC_UE_t *rrc_ue_context, const uint32_t rrc_ue_id, const ue_id_t cucp_ue_id);
+
+ue_id_e2sm_t fill_e2sm_du_ue_id_data(const gNB_RRC_UE_t *rrc_ue_context, const uint32_t rrc_ue_id, const ue_id_t cucp_ue_id);
+
+ue_id_e2sm_t fill_e2sm_cucp_ue_id_data(const gNB_RRC_UE_t *rrc_ue_context, const uint32_t rrc_ue_id, const ue_id_t cucp_ue_id);
+
+ue_id_e2sm_t fill_e2sm_cuup_ue_id_data(const gNB_RRC_UE_t *rrc_ue_context, const uint32_t rrc_ue_id, const ue_id_t cucp_ue_id);
+
+typedef ue_id_e2sm_t (*get_ue_id)(const gNB_RRC_UE_t *rrc_ue_context, const uint32_t rrc_ue_id, const ue_id_t cucp_ue_id);
+
+extern get_ue_id fill_ue_id_data[END_NGRAN_NODE_TYPE];
+
+#endif