ENDC S1-U gNB support: Separate some GTP functions between eNB and gNB....

ENDC S1-U gNB support: Separate some GTP functions between eNB and gNB. Downlink traffic from SGW arrives properly at gNB now after path switch

cmake_targets/CMakeLists.txt

@@ -2619,6 +2619,7 @@ add_executable(nr-softmodem
   ${OPENAIR_TARGETS}/ARCH/COMMON/record_player.c
   ${OPENAIR2_DIR}/RRC/NAS/nas_config.c
   ${OPENAIR2_DIR}/RRC/NAS/rb_config.c
+  ${OPENAIR3_DIR}/GTPV1-U/gtpv1u_gNB.c
   ${OPENAIR1_DIR}/SIMULATION/ETH_TRANSPORT/netlink_init.c
   ${OPENAIR_DIR}/common/utils/utils.c
   ${OPENAIR_DIR}/common/utils/system.c

common/utils/ocp_itti/intertask_interface.h

@@ -237,6 +237,7 @@ typedef struct IttiMsgText_s {
 //#include <proto.h>
 
 #include <openair3/GTPV1-U/gtpv1u_eNB_task.h>
+#include <openair3/GTPV1-U/gtpv1u_gNB_task.h>
 void *rrc_enb_process_itti_msg(void *);
 #include <openair3/SCTP/sctp_eNB_task.h>
 #include <openair3/S1AP/s1ap_eNB.h>

executables/nr-softmodem.c

@@ -421,7 +421,7 @@ int create_gNB_tasks(uint32_t gnb_nb) {
         }
       }
 
-      if (itti_create_task (TASK_GTPV1_U, &gtpv1u_eNB_task, NULL) < 0) {
+      if (itti_create_task (TASK_GTPV1_U, &gtpv1u_gNB_task, NULL) < 0) {
         LOG_E(GTPU, "Create task for GTPV1U failed\n");
         return -1;
       }

openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c

@@ -209,7 +209,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
       #ifdef DEBUG_MAC_PDU
       LOG_I(PHY, "Printing MAC PDU to be encoded, TBS is: %d \n", harq_process_ul_ue->TBS/8);
       for (i = 0; i < harq_process_ul_ue->TBS / 8; i++) {
-        printf("0x%02x",harq_process_ul_ue->a[i]);
+        printf("%02x",harq_process_ul_ue->a[i]);
       }
       printf("\n");
 	  #endif

openair2/RRC/NR/rrc_gNB_GTPV1U.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
+ */
+
+/*! \file rrc_gNB_GTPV1U.c
+ * \brief rrc GTPV1U procedures for gNB
+ * \author Lionel GAUTHIER, Panos MATZAKOS
+ * \version 1.0
+ * \company Eurecom
+ * \email: lionel.gauthier@eurecom.fr, panagiotis.matzakos@eurecom.fr
+ */
+
 # include "rrc_defs.h"
 # include "rrc_extern.h"
 # include "RRC/LTE/MESSAGES/asn1_msg.h"

openair2/RRC/NR/rrc_gNB_GTPV1U.h

@@ -19,12 +19,12 @@
  *      contact@openairinterface.org
  */
 
-/*! \file rrc_eNB_GTPV1U.h
- * \brief rrc GTPV1U procedures for eNB
- * \author Lionel GAUTHIER
+/*! \file rrc_gNB_GTPV1U.h
+ * \brief rrc GTPV1U procedures for gNB
+ * \author Lionel GAUTHIER, Panos MATZAKOS
  * \version 1.0
  * \company Eurecom
- * \email: lionel.gauthier@eurecom.fr
+ * \email: lionel.gauthier@eurecom.fr, panagiotis.matzakos@eurecom.fr
  */
 
 #ifndef RRC_GNB_GTPV1U_H_

openair3/GTPV1-U/gtpv1u_gNB_task.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
+ */
+
+/*! \file gtpv1u_gNB_task.h
+* \brief
+* \author Lionel Gauthier Panos Matzakos
+* \company Eurecom
+* \email: lionel.gauthier@eurecom.fr
+*/
+
+#ifndef GTPV1U_GNB_TASK_H_
+#define GTPV1U_GNB_TASK_H_
+
+int   gtpv1u_gNB_init(void);
+
+void *gtpv1u_gNB_task(void *args);
+
+
+#endif /* GTPV1U_GNB_TASK_H_ */
+