modify INITIAL_UL_RRC_MESSAGE_TRANSFER

fix build errors about nrUE
c-plane is ok

executables/nr-uesoftmodem.c

@@ -601,6 +601,9 @@ int main( int argc, char **argv ) {
   protocol_ctxt_t ctxt_pP = {0};
   ctxt_pP.enb_flag = ENB_FLAG_NO;
   ctxt_pP.rnti = 0x1234;
+  RC.nrrrc = (gNB_RRC_INST **)malloc(1*sizeof(gNB_RRC_INST *));
+  RC.nrrrc[0] = (gNB_RRC_INST*)malloc(sizeof(gNB_RRC_INST));
+  RC.nrrrc[0]->node_type = ngran_gNB;
   rrc_ue_generate_RRCSetupRequest(&ctxt_pP, 0);
   if (create_tasks_nrue(1) < 0) {
     printf("cannot create ITTI tasks\n");

openair2/F1AP/f1ap_cu_rrc_message_transfer.c

@@ -169,6 +169,7 @@ int CU_handle_INITIAL_UL_RRC_MESSAGE_TRANSFER(instance_t             instance,
   f1ap_cu_inst[rrc_inst].f1ap_ue[f1ap_uid].du_ue_f1ap_id = du_ue_f1ap_id;
 
   if (RC.nrrrc[GNB_INSTANCE_TO_MODULE_ID(instance)]->node_type == ngran_gNB_CU) {
+    if(0) {
       NR_RRC_MAC_CCCH_DATA_IND (message_p).frame     = 0; 
       NR_RRC_MAC_CCCH_DATA_IND (message_p).sub_frame = 0;
       NR_RRC_MAC_CCCH_DATA_IND (message_p).sdu_size  = ccch_sdu_len;
@@ -176,6 +177,31 @@ int CU_handle_INITIAL_UL_RRC_MESSAGE_TRANSFER(instance_t             instance,
       NR_RRC_MAC_CCCH_DATA_IND (message_p).rnti      = rnti;
       NR_RRC_MAC_CCCH_DATA_IND (message_p).CC_id     = CC_id; 
       itti_send_msg_to_task (TASK_RRC_GNB, instance, message_p);
+    }
+
+    protocol_ctxt_t ctxt;
+    ctxt.module_id = instance;
+    ctxt.instance = instance;
+    ctxt.rnti = 0x1234; //f1ap_get_rnti_by_cu_id(&f1ap_cu_inst[instance], cu_ue_f1ap_id);
+    ctxt.enb_flag = 1;
+    ctxt.eNB_index = 0;
+    ctxt.configured = 1;
+    mem_block_t *mb = get_free_mem_block(ie->value.choice.RRCContainer.size,__func__);
+    memcpy((void*)mb->data,(void*)ie->value.choice.RRCContainer.buf,ie->value.choice.RRCContainer.size);
+    LOG_I(F1AP, "Calling pdcp_data_ind for UE RNTI %x srb_id %lu with size %ld (DCCH) \n", ctxt.rnti, 1, ie->value.choice.RRCContainer.size);
+
+    LOG_I(F1AP, "%s() RRCContainer size %lu: ", __func__, ie->value.choice.RRCContainer.size);
+    for (int i = 0; i < ie->value.choice.RRCContainer.size; i++)
+     printf("%02x ", mb->data[i]);
+    printf("\n");
+
+    pdcp_data_ind (&ctxt,
+      1, // srb_flag
+      0, // embms_flag
+      1,
+      ie->value.choice.RRCContainer.size,
+      mb);
+    return 0;
   } else {
     RRC_MAC_CCCH_DATA_IND (message_p).frame      = 0; 
     RRC_MAC_CCCH_DATA_IND (message_p).sub_frame  = 0;

openair2/F1AP/f1ap_du_task.c

@@ -175,6 +175,15 @@ void *F1AP_DU_task(void *arg) {
                                     &received_msg->ittiMsg.sctp_data_ind);
         break;
 
+      case F1AP_INITIAL_UL_RRC_MESSAGE: // to rrc
+        LOG_I(F1AP, "DU Task Received F1AP_INITIAL_UL_RRC_MESSAGE\n");
+
+        f1ap_initial_ul_rrc_message_t *msg = &F1AP_INITIAL_UL_RRC_MESSAGE(received_msg);
+        DU_send_INITIAL_UL_RRC_MESSAGE_TRANSFER(0,0,0,msg->crnti,
+                                                msg->rrc_container,
+                                                msg->rrc_container_length);
+        break;
+
      case F1AP_UL_RRC_MESSAGE: // to rrc
         LOG_I(F1AP, "DU Task Received F1AP_UL_RRC_MESSAGE\n");
         if (RC.nrrrc[0]->node_type == ngran_gNB_DU) {

openair2/GNB_APP/gnb_config.c

@@ -80,7 +80,7 @@
 
 extern uint16_t sf_ahead;
 int macrlc_has_f1 = 0;
-ngran_node_t node_type = ngran_gNB;
+extern ngran_node_t node_type;
 
 extern int config_check_band_frequencies(int ind, int16_t band, uint64_t downlink_frequency,
                                          int32_t uplink_frequency_offset, uint32_t  frame_type);
@@ -1477,7 +1477,6 @@ void gNB_app_handle_f1ap_setup_resp(f1ap_setup_resp_t *resp) {
 
 void set_node_type(void) {
   int               j;
-  // ngran_node_t      node_type;
   paramdef_t        MacRLC_Params[] = MACRLCPARAMS_DESC;
   paramlist_def_t   MacRLC_ParamList = {CONFIG_STRING_MACRLC_LIST,NULL,0};
   paramdef_t        GNBParams[]  = GNBPARAMS_DESC;

openair2/LAYER2/nr_pdcp/nr_pdcp_oai_api.c

@@ -47,7 +47,7 @@ hash_table_t  *pdcp_coll_p;
 static uint64_t pdcp_optmask;
 #include "common/ran_context.h"
 extern RAN_CONTEXT_t RC;
-extern ngran_node_t node_type;
+ngran_node_t node_type = ngran_gNB;
 uint8_t first_dcch = 0;
 
 /****************************************************************************/
@@ -623,16 +623,12 @@ static void deliver_sdu_srb(protocol_ctxt_t *ctxt_pP, void *_ue, nr_pdcp_entity_
   int srb_id;
   int i;
 
-  if (NODE_IS_CU(RC.nrrrc[ctxt_pP->module_id]->node_type)) {
-    nr_rrc_data_ind( ctxt_pP, 1, size, buf);
-  } else {
   if (ccch_or_dcch == 0) {
     nr_rrc_data_ind_ccch( ctxt_pP, 1, size, buf);
     ccch_or_dcch = 1;
   } else {
     nr_rrc_data_ind( ctxt_pP, 1, size, buf);
   }
-  }
 
   return;
 }

openair2/LAYER2/nr_rlc/nr_rlc_oai_api.c

@@ -474,6 +474,7 @@ rb_found:
                 "Can't be CU, bad node type %d\n", type);
 
     if (NODE_IS_DU(type) && is_srb == 1) {
+      MessageDef *msg;
       if (ccch_flag) {
         /* for rfsim, because UE send RRCSetupRequest in SRB1 */
         asn_dec_rval_t dec_rval;
@@ -493,7 +494,17 @@ rb_found:
           if (ul_ccch_msg->message.present == NR_UL_CCCH_MessageType_PR_c1) {
             if (ul_ccch_msg->message.choice.c1->present == NR_UL_CCCH_MessageType__c1_PR_rrcSetupRequest) {
               LOG_I(RLC, "[MSG] RRC Setup Request\n");
-              DU_send_INITIAL_UL_RRC_MESSAGE_TRANSFER(0,0,0,ue->rnti,(uint8_t *)buf,size);
+              // DU_send_INITIAL_UL_RRC_MESSAGE_TRANSFER(0,0,0,ue->rnti,(uint8_t *)buf,size);
+              msg = itti_alloc_new_message(TASK_RLC_ENB, F1AP_INITIAL_UL_RRC_MESSAGE);
+              F1AP_INITIAL_UL_RRC_MESSAGE(msg).gNB_DU_ue_id         = 0;
+              F1AP_INITIAL_UL_RRC_MESSAGE(msg).mcc                  = RC.nrrrc[0]->configuration.mcc[0];
+              F1AP_INITIAL_UL_RRC_MESSAGE(msg).mnc                  = RC.nrrrc[0]->configuration.mnc[0];
+              F1AP_INITIAL_UL_RRC_MESSAGE(msg).mnc_digit_length     = RC.nrrrc[0]->configuration.mnc_digit_length[0];
+              F1AP_INITIAL_UL_RRC_MESSAGE(msg).nr_cellid            = RC.nrrrc[0]->nr_cellid;
+              F1AP_INITIAL_UL_RRC_MESSAGE(msg).crnti                = ue->rnti;
+              F1AP_INITIAL_UL_RRC_MESSAGE(msg).rrc_container        = (unsigned char *)buf;
+              F1AP_INITIAL_UL_RRC_MESSAGE(msg).rrc_container_length = size;
+              itti_send_msg_to_task(TASK_DU_F1, ENB_MODULE_ID_TO_INSTANCE(0), msg);
               ccch_flag = 0;
               return;
             }
@@ -501,7 +512,7 @@ rb_found:
         }
       }
 
-      MessageDef *msg = itti_alloc_new_message(TASK_RLC_ENB, F1AP_UL_RRC_MESSAGE);
+      msg = itti_alloc_new_message(TASK_RLC_ENB, F1AP_UL_RRC_MESSAGE);
       F1AP_UL_RRC_MESSAGE(msg).rnti = ue->rnti;
       F1AP_UL_RRC_MESSAGE(msg).srb_id = rb_id;
       F1AP_UL_RRC_MESSAGE(msg).rrc_container = (unsigned char *)buf;