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2019-09-20 13:43:18 +02:00
parent 25f49631ff
commit 79bd161d41
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+/*
+ * 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_internode.c
+ * \brief rrc internode procedures for gNB
+ * \author Raymond Knopp
+ * \date 2019
+ * \version 1.0
+ * \company Eurecom
+ * \email: raymond.knopp@eurecom.fr
+ */
+#ifndef RRC_GNB_INTERNODE_C
+#define RRC_GNB_INTERNODE_C
+
+#include "nr_rrc_defs.h"
+#include "NR_RRCReconfiguration.h"
+#include "NR_UE-NR-Capability.h"
+#include "NR_CG-ConfigInfo.h"
+#include "NR_UE-CapabilityRAT-ContainerList.h"
+#include "NR_CG-Config.h"
+
+int parse_CG_ConfigInfo(gNB_RRC_INST *rrc, NR_CG_ConfigInfo_t *CG_ConfigInfo) {
+
+  if (CG_ConfigInfo->criticalExtensions.present == NR_CG_ConfigInfo__criticalExtensions_PR_c1) {
+    if (CG_ConfigInfo->criticalExtensions.choice.c1) {
+      if (CG_ConfigInfo->criticalExtensions.choice.c1->present == NR_CG_ConfigInfo__criticalExtensions__c1_PR_cg_ConfigInfo) {
+	NR_CG_ConfigInfo_IEs_t *cg_ConfigInfo = CG_ConfigInfo->criticalExtensions.choice.c1->choice.cg_ConfigInfo;
+	if (cg_ConfigInfo->ue_CapabilityInfo) {
+	  // Decode UE-CapabilityRAT-ContainerList
+	  NR_UE_CapabilityRAT_ContainerList_t **UE_CapabilityRAT_ContainerList=NULL;
+	  asn_dec_rval_t dec_rval = uper_decode(NULL,
+						&asn_DEF_NR_UE_NR_Capability,
+						(void**)UE_CapabilityRAT_ContainerList,
+						cg_ConfigInfo->ue_CapabilityInfo->buf,
+						cg_ConfigInfo->ue_CapabilityInfo->size, 0, 0);
+          if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) {
+             LOG_E(RRC, "[InterNode] Failed to decode NR_UE_NR_Capability (%zu bits)\n",
+                   dec_rval.consumed );
+             return(-1);
+          }
+	  rrc_parse_ue_capabilities(rrc,*UE_CapabilityRAT_ContainerList);
+	}
+	if (cg_ConfigInfo->candidateCellInfoListMN) {
+	  LOG_E(RRC,"Can't handle candidateCellInfoListMN yet\n");
+	  return(-1);
+	}
+      }
+      else {
+	LOG_E(RRC,"c1 extension is not cg_ConfigInfo, returning\n");
+	return(-1); 
+      }
+    }
+    else {
+      LOG_E(RRC,"c1 extension not found, returning\n");
+      return(-1); 
+    }
+  } else {
+    LOG_E(RRC,"Ignoring unknown CG_ConfigInfo extensions\n");
+    return(-1);
+  }
+  return(0);  
+}
+
+
+int generate_CG_Config(gNB_RRC_INST *rrc, 
+		       NR_CG_Config_t *cg_Config,
+		       NR_RRCReconfiguration_t *reconfig,
+		       NR_RadioBearerConfig_t *rbconfig) {
+
+
+  cg_Config->criticalExtensions.present = NR_CG_Config__criticalExtensions_PR_c1;
+  cg_Config->criticalExtensions.choice.c1 = calloc(1,sizeof(*cg_Config->criticalExtensions.choice.c1));
+  cg_Config->criticalExtensions.choice.c1->present = NR_CG_Config__criticalExtensions__c1_PR_cg_Config;
+  cg_Config->criticalExtensions.choice.c1->choice.cg_Config = calloc(1,sizeof(NR_CG_Config_IEs_t));
+  char buffer[1024];
+  asn_enc_rval_t enc_rval = uper_encode_to_buffer(&asn_DEF_NR_RRCReconfiguration, NULL, (void *)reconfig, buffer, 1024);
+  AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %jd)!\n",
+               enc_rval.failed_type->name, enc_rval.encoded);
+  cg_Config->criticalExtensions.choice.c1->choice.cg_Config->scg_CellGroupConfig = calloc(1,sizeof(OCTET_STRING_t));
+  OCTET_STRING_fromBuf(cg_Config->criticalExtensions.choice.c1->choice.cg_Config->scg_CellGroupConfig,
+		       (const char *)buffer,
+		       (enc_rval.encoded+7)>>3); 
+
+  LOG_I(RRC,"Dumping NR_RRCReconfiguration message (%d bytes)\n",(enc_rval.encoded+7)>>3);
+  for (int i=0;i<(enc_rval.encoded+7)>>3;i++) {
+    printf("%2x ",((uint8_t *)buffer)[i]);
+  }
+  printf("\n");
+  enc_rval = uper_encode_to_buffer(&asn_DEF_NR_RadioBearerConfig, NULL, (void *)rbconfig, buffer, 1024);
+  AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %jd)!\n",
+               enc_rval.failed_type->name, enc_rval.encoded);
+  cg_Config->criticalExtensions.choice.c1->choice.cg_Config->scg_RB_Config = calloc(1,sizeof(OCTET_STRING_t));
+  OCTET_STRING_fromBuf(cg_Config->criticalExtensions.choice.c1->choice.cg_Config->scg_RB_Config,
+		       (const char *)buffer,
+		       (enc_rval.encoded+7)>>3);  
+  LOG_I(RRC,"Dumping scg_RB_Config message (%d bytes)\n",(enc_rval.encoded+7)>>3);
+  for (int i=0;i<(enc_rval.encoded+7)>>3;i++) {
+    printf("%2x ",((uint8_t*)buffer)[i]);
+  }
+  printf("\n");
+
+  return(0);
+}
+
+#endif