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openairinterface5g/openair2/RRC/LTE/rrc_eNB.c
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Mahesh 0e6f1e6ad6 Merge conflicts resolved
2021-02-08 18:05:29 +05:30

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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_eNB.c
* \brief rrc procedures for eNB
* \author Navid Nikaein and Raymond Knopp
* \date 2011 - 2014
* \version 1.0
* \company Eurecom
* \email: navid.nikaein@eurecom.fr and raymond.knopp@eurecom.fr
*/
#define RRC_ENB
#define RRC_ENB_C
#include <asn_application.h>
#include <asn_internal.h> /* for _ASN_DEFAULT_STACK_MAX */
#include <per_encoder.h>
#include "rrc_defs.h"
#include "rrc_extern.h"
#include "assertions.h"
#include "common/ran_context.h"
#include "asn1_conversions.h"
#include "asn_internal.h"
#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h"
#include "LAYER2/RLC/rlc.h"
#include "LAYER2/MAC/mac_proto.h"
#include "common/utils/LOG/log.h"
#include "COMMON/mac_rrc_primitives.h"
#include "RRC/LTE/MESSAGES/asn1_msg.h"
#include "LTE_RRCConnectionRequest.h"
#include "LTE_RRCConnectionReestablishmentRequest.h"
//#include "ReestablishmentCause.h"
#include "LTE_BCCH-BCH-Message.h"
#include "LTE_UL-CCCH-Message.h"
#include "LTE_DL-CCCH-Message.h"
#include "LTE_UL-DCCH-Message.h"
#include "LTE_DL-DCCH-Message.h"
#include "LTE_TDD-Config.h"
#include "LTE_HandoverPreparationInformation.h"
#include "LTE_HandoverCommand.h"
#include "rlc.h"
#include "rrc_eNB_UE_context.h"
#include "platform_types.h"
#include "msc.h"
#include "LTE_SL-CommConfig-r12.h"
#include "LTE_PeriodicBSR-Timer-r12.h"
#include "LTE_RetxBSR-Timer-r12.h"
#include "LTE_BCCH-BCH-Message-MBMS.h"
#include "LTE_BCCH-DL-SCH-Message-MBMS.h"
#include "LTE_SystemInformationBlockType1-MBMS-r14.h"
#include "LTE_NonMBSFN-SubframeConfig-r14.h"
#include "common/utils/LOG/vcd_signal_dumper.h"
#include "x2ap_eNB.h"
#include "T.h"
#include "LTE_MeasResults.h"
#include "RRC/NAS/nas_config.h"
#include "RRC/NAS/rb_config.h"
#include "OCG.h"
#include "OCG_extern.h"
#include "UTIL/OSA/osa_defs.h"
#include "rrc_eNB_S1AP.h"
#include "rrc_eNB_GTPV1U.h"
#include "rrc_eNB_M2AP.h"
#include "pdcp.h"
#include "gtpv1u_eNB_task.h"
#include "intertask_interface.h"
#if ENABLE_RAL
#include "rrc_eNB_ral.h"
#endif
#include "SIMULATION/TOOLS/sim.h" // for taus
#define ASN_MAX_ENCODE_SIZE 4096
#define NUMBEROF_DRBS_TOBE_ADDED 1
static int encode_CG_ConfigInfo(char *buffer,int buffer_size,rrc_eNB_ue_context_t *const ue_context_pP,int *enc_size);
static int is_en_dc_supported(LTE_UE_EUTRA_Capability_t *c);
extern RAN_CONTEXT_t RC;
#ifdef PHY_EMUL
extern EMULATION_VARS *Emul_vars;
#endif
extern eNB_MAC_INST *eNB_mac_inst;
extern UE_MAC_INST *UE_mac_inst;
extern uint16_t two_tier_hexagonal_cellIds[7];
mui_t rrc_eNB_mui = 0;
extern uint32_t to_earfcn_DL(int eutra_bandP, uint32_t dl_CarrierFreq, uint32_t bw);
extern int rrc_eNB_process_security(const protocol_ctxt_t *const ctxt_pP, rrc_eNB_ue_context_t *const ue_context_pP, security_capabilities_t *security_capabilities_pP);
extern void process_eNB_security_key (const protocol_ctxt_t *const ctxt_pP, rrc_eNB_ue_context_t *const ue_context_pP, uint8_t *security_key_pP);
extern int derive_keNB_star(const uint8_t *kenb_32, const uint16_t pci, const uint32_t earfcn_dl, const bool is_rel8_only, uint8_t *kenb_star);
extern int rrc_eNB_generate_RRCConnectionReconfiguration_endc(protocol_ctxt_t *ctxt, rrc_eNB_ue_context_t *ue_context, unsigned char *buffer, int buffer_size, OCTET_STRING_t *scg_group_config,
OCTET_STRING_t *scg_RB_config);
extern struct rrc_eNB_ue_context_s *get_first_ue_context(eNB_RRC_INST *rrc_instance_pP);
pthread_mutex_t rrc_release_freelist;
RRC_release_list_t rrc_release_info;
pthread_mutex_t lock_ue_freelist;
void
openair_rrc_on(
const protocol_ctxt_t *const ctxt_pP
)
//-----------------------------------------------------------------------------
{
int CC_id;
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" ENB:OPENAIR RRC IN....\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP));
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
rrc_config_buffer (&RC.rrc[ctxt_pP->module_id]->carrier[CC_id].SI, BCCH, 1);
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].SI.Active = 1;
}
}
//-----------------------------------------------------------------------------
static void
init_SI(
const protocol_ctxt_t *const ctxt_pP,
const int CC_id,
RrcConfigurationReq *configuration
)
//-----------------------------------------------------------------------------
{
int i;
LTE_SystemInformationBlockType1_v1310_IEs_t *sib1_v13ext=(LTE_SystemInformationBlockType1_v1310_IEs_t *)NULL;
LOG_D(RRC,"%s()\n\n\n\n",__FUNCTION__);
if(configuration->radioresourceconfig[CC_id].mbms_dedicated_serving_cell == TRUE) {
LOG_I(RRC, "Configuring MIB FeMBMS (N_RB_DL %d)\n",
(int)configuration->N_RB_DL[CC_id]);
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].MIB_FeMBMS = (uint8_t *) malloc16(4);
do_MIB_FeMBMS(&RC.rrc[ctxt_pP->module_id]->carrier[CC_id],
configuration->N_RB_DL[CC_id],
0, //additionalNonMBSFN
0);
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sizeof_SIB1_MBMS = 0;
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].SIB1_MBMS = (uint8_t *) malloc16(32);
AssertFatal(RC.rrc[ctxt_pP->module_id]->carrier[CC_id].SIB1_MBMS!=NULL,PROTOCOL_RRC_CTXT_FMT" init_SI: FATAL, no memory for SIB1_MBMS allocated\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP));
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sizeof_SIB1_MBMS = do_SIB1_MBMS(&RC.rrc[ctxt_pP->module_id]->carrier[CC_id],ctxt_pP->module_id,CC_id,
configuration
);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" Contents of SIB1-MBMS\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP)
);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB1-MBMS freqBandIndicator_r14 %ld\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->freqBandIndicator_r14
);
for (i = 0; i < RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->schedulingInfoList_MBMS_r14.list.count; i++) {
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB1-MBMS contents for Scheduling Info List %d/%d(partial)\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
i,
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->schedulingInfoList_MBMS_r14.list.count);
}
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB1-MBMS SIB13-r14 contents for MBSFN subframe allocation (partial)\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP)
);
for (i = 0; i < RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->systemInformationBlockType13_r14->mbsfn_AreaInfoList_r9.list.count; i++) {
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB1-MBMS SIB13-r14 contents for MBSFN sync area %d/%d (partial)\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
i,
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->systemInformationBlockType13_r14->mbsfn_AreaInfoList_r9.list.count);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB1-MBMS MCCH Repetition Period: %ld (just index number, not real value)\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->systemInformationBlockType13_r14->mbsfn_AreaInfoList_r9.list.array[i]->mcch_Config_r9.mcch_RepetitionPeriod_r9);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB1-MBMS MCCH Offset: %ld\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->systemInformationBlockType13_r14->mbsfn_AreaInfoList_r9.list.array[i]->mcch_Config_r9.mcch_Offset_r9);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB1-MBMS MCCH Modification Period: %ld\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->systemInformationBlockType13_r14->mbsfn_AreaInfoList_r9.list.array[i]->mcch_Config_r9.mcch_ModificationPeriod_r9);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB1-MBMS MCCH Signalling MCS: %ld\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->systemInformationBlockType13_r14->mbsfn_AreaInfoList_r9.list.array[i]->mcch_Config_r9.signallingMCS_r9);
//LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB1-MBMS SIB13 sf_AllocInfo is = %x\n",
// PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
// RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->systemInformationBlockType13_r14->mbsfn_AreaInfoList_r9.list.array[i]->mcch_Config_r9.sf_AllocInfo_r9.buf);
if(RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->systemInformationBlockType13_r14->mbsfn_AreaInfoList_r9.list.array[i]->ext1) {
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB1-MBMS Subcarrier Spacing MBMS: %s\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
(*RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->systemInformationBlockType13_r14->mbsfn_AreaInfoList_r9.list.array[i]->ext1->subcarrierSpacingMBMS_r14 ==
LTE_MBSFN_AreaInfo_r9__ext1__subcarrierSpacingMBMS_r14_khz_1dot25 ? "khz_1dot25": "khz_7dot5"));
}
}
if(RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->nonMBSFN_SubframeConfig_r14) {
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB1-MBMS non MBSFN Subframe Config radioFrameAllocationPeriod-r14 %ld\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->nonMBSFN_SubframeConfig_r14->radioFrameAllocationPeriod_r14
);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB1-MBMS non MBSFN Subframe Config radioFrameAllocationOffset-r14 %ld\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->nonMBSFN_SubframeConfig_r14->radioFrameAllocationOffset_r14
);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB1-MBMS non MBSFN Subframe Config subframeAllocation-r14 is = %s\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib1_MBMS->nonMBSFN_SubframeConfig_r14->subframeAllocation_r14.buf);
}
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].FeMBMS_flag=1;
//AssertFatal(RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sizeof_SIB1 != 255,"FATAL, RC.rrc[enb_mod_idP].carrier[CC_id].sizeof_SIB1 == 255");
}
eNB_RRC_INST *rrc = RC.rrc[ctxt_pP->module_id];
rrc_eNB_carrier_data_t *carrier=&rrc->carrier[CC_id];
carrier->MIB = (uint8_t *) malloc16(4);
carrier->sizeof_SIB1 = 0;
carrier->sizeof_SIB23 = 0;
carrier->SIB1 = (uint8_t *) malloc16(32);
AssertFatal(carrier->SIB1!=NULL,PROTOCOL_RRC_CTXT_FMT" init_SI: FATAL, no memory for SIB1 allocated\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP));
LOG_I(RRC,"[eNB %d] Node type %d \n ", ctxt_pP->module_id, rrc->node_type);
if (NODE_IS_DU(rrc->node_type) || NODE_IS_MONOLITHIC(rrc->node_type)) {
// copy basic Cell parameters
carrier->physCellId = configuration->Nid_cell[CC_id];
carrier->p_eNB = configuration->nb_antenna_ports[CC_id];
carrier->Ncp = configuration->prefix_type[CC_id];
carrier->dl_CarrierFreq = configuration->downlink_frequency[CC_id];
carrier->ul_CarrierFreq = configuration->downlink_frequency[CC_id]+ configuration->uplink_frequency_offset[CC_id];
carrier->eutra_band = configuration->eutra_band[CC_id];
carrier->N_RB_DL = configuration->N_RB_DL[CC_id];
carrier->pbch_repetition = configuration->pbch_repetition[CC_id];
LOG_I(RRC, "configuration->schedulingInfoSIB1_BR_r13[CC_id] %d\n",(int)configuration->schedulingInfoSIB1_BR_r13[CC_id]);
LOG_I(RRC, "Configuring MIB (N_RB_DL %d,phich_Resource %d,phich_Duration %d)\n",
(int)configuration->N_RB_DL[CC_id],
(int)configuration->radioresourceconfig[CC_id].phich_resource,
(int)configuration->radioresourceconfig[CC_id].phich_duration);
carrier->sizeof_MIB = do_MIB(&rrc->carrier[CC_id],
configuration->N_RB_DL[CC_id],
configuration->radioresourceconfig[CC_id].phich_resource,
configuration->radioresourceconfig[CC_id].phich_duration,
0,
configuration->schedulingInfoSIB1_BR_r13[CC_id]
);
carrier->sizeof_SIB1 = do_SIB1(&rrc->carrier[CC_id],
ctxt_pP->module_id,
CC_id,
FALSE,
configuration
);
AssertFatal(carrier->sizeof_SIB1 != 255,"FATAL, RC.rrc[enb_mod_idP].carrier[CC_id].sizeof_SIB1 == 255");
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sizeof_SIB1_BR = 0;
if (configuration->schedulingInfoSIB1_BR_r13[CC_id] > 0) {
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].SIB1_BR = (uint8_t *) malloc16(32);
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sizeof_SIB1_BR = do_SIB1(&RC.rrc[ctxt_pP->module_id]->carrier[CC_id],
ctxt_pP->module_id,
CC_id, TRUE, configuration);
}
}
if (!NODE_IS_DU(rrc->node_type)) {
carrier->SIB23 = (uint8_t *) malloc16(64);
AssertFatal(carrier->SIB23!=NULL,"cannot allocate memory for SIB");
carrier->sizeof_SIB23 = do_SIB23(ctxt_pP->module_id,
CC_id,
FALSE,
configuration
);
LOG_I(RRC,"do_SIB23, size %d \n ", carrier->sizeof_SIB23);
AssertFatal(carrier->sizeof_SIB23 != 255,"FATAL, RC.rrc[mod].carrier[CC_id].sizeof_SIB23 == 255");
carrier->sizeof_SIB23_BR = 0;
if (configuration->schedulingInfoSIB1_BR_r13[CC_id]>0) {
carrier->SIB23_BR = (uint8_t *) malloc16(64);
AssertFatal(carrier->SIB23_BR!=NULL,"cannot allocate memory for SIB");
carrier->sizeof_SIB23_BR = do_SIB23(ctxt_pP->module_id, CC_id, TRUE, configuration);
}
LOG_T(RRC, PROTOCOL_RRC_CTXT_FMT" SIB2/3 Contents (partial)\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP));
LOG_T(RRC, PROTOCOL_RRC_CTXT_FMT" pusch_config_common.n_SB = %ld\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib2->radioResourceConfigCommon.pusch_ConfigCommon.pusch_ConfigBasic.n_SB);
LOG_T(RRC, PROTOCOL_RRC_CTXT_FMT" pusch_config_common.hoppingMode = %ld\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib2->radioResourceConfigCommon.pusch_ConfigCommon.pusch_ConfigBasic.hoppingMode);
LOG_T(RRC, PROTOCOL_RRC_CTXT_FMT" pusch_config_common.pusch_HoppingOffset = %ld\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib2->radioResourceConfigCommon.pusch_ConfigCommon.pusch_ConfigBasic.pusch_HoppingOffset);
LOG_T(RRC, PROTOCOL_RRC_CTXT_FMT" pusch_config_common.enable64QAM = %d\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
(int)carrier->sib2->radioResourceConfigCommon.pusch_ConfigCommon.pusch_ConfigBasic.enable64QAM);
LOG_T(RRC, PROTOCOL_RRC_CTXT_FMT" pusch_config_common.groupHoppingEnabled = %d\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
(int)carrier->sib2->radioResourceConfigCommon.pusch_ConfigCommon.ul_ReferenceSignalsPUSCH.groupHoppingEnabled);
LOG_T(RRC, PROTOCOL_RRC_CTXT_FMT" pusch_config_common.groupAssignmentPUSCH = %ld\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib2->radioResourceConfigCommon.pusch_ConfigCommon.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH);
LOG_T(RRC, PROTOCOL_RRC_CTXT_FMT" pusch_config_common.sequenceHoppingEnabled = %d\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
(int)carrier->sib2->radioResourceConfigCommon.pusch_ConfigCommon.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled);
LOG_T(RRC, PROTOCOL_RRC_CTXT_FMT" pusch_config_common.cyclicShift = %ld\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib2->radioResourceConfigCommon.pusch_ConfigCommon.ul_ReferenceSignalsPUSCH.cyclicShift);
if (carrier->MBMS_flag > 0) {
for (i = 0; i < carrier->sib2->mbsfn_SubframeConfigList->list.count; i++) {
// SIB 2
// LOG_D(RRC, "[eNB %ld] mbsfn_SubframeConfigList.list.count = %ld\n", enb_mod_idP, RC.rrc[enb_mod_idP].sib2->mbsfn_SubframeConfigList->list.count);
LOG_D(RRC, PROTOCOL_RRC_CTXT_FMT" SIB13 contents for MBSFN subframe allocation %d/%d(partial)\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
i,
carrier->sib2->mbsfn_SubframeConfigList->list.count);
LOG_D(RRC, PROTOCOL_RRC_CTXT_FMT" mbsfn_Subframe_pattern is = %x\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib2->mbsfn_SubframeConfigList->list.array[i]->subframeAllocation.choice.oneFrame.buf[0] >> 0);
LOG_D(RRC, PROTOCOL_RRC_CTXT_FMT" radioframe_allocation_period = %ld (just index number, not the real value)\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib2->mbsfn_SubframeConfigList->list.array[i]->radioframeAllocationPeriod); // need to display the real value, using array of char (like in dumping SIB2)
LOG_D(RRC, PROTOCOL_RRC_CTXT_FMT" radioframe_allocation_offset = %ld\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib2->mbsfn_SubframeConfigList->list.array[i]->radioframeAllocationOffset);
}
// SIB13
for (i = 0; i < carrier->sib13->mbsfn_AreaInfoList_r9.list.count; i++) {
LOG_D(RRC, PROTOCOL_RRC_CTXT_FMT" SIB13 contents for MBSFN sync area %d/%d (partial)\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
i,
carrier->sib13->mbsfn_AreaInfoList_r9.list.count);
LOG_D(RRC, PROTOCOL_RRC_CTXT_FMT" MCCH Repetition Period: %ld (just index number, not real value)\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib13->mbsfn_AreaInfoList_r9.list.array[i]->mcch_Config_r9.mcch_RepetitionPeriod_r9);
LOG_D(RRC, PROTOCOL_RRC_CTXT_FMT" MCCH Offset: %ld\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib13->mbsfn_AreaInfoList_r9.list.array[i]->mcch_Config_r9.mcch_Offset_r9);
}
} else memset((void *)&RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib13,0,sizeof(RC.rrc[ctxt_pP->module_id]->carrier[CC_id].sib13));
//TTN - SIB 18
if (configuration->SL_configured > 0) {
for (int j = 0; j < carrier->sib18->commConfig_r12->commRxPool_r12.list.count; j++) {
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" Contents of SIB18 %d/%d \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
j+1,
carrier->sib18->commConfig_r12->commRxPool_r12.list.count);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB18 rxPool_sc_CP_Len: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib18->commConfig_r12->commRxPool_r12.list.array[j]->sc_CP_Len_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB18 sc_Period_r12: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib18->commConfig_r12->commRxPool_r12.list.array[j]->sc_Period_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB18 data_CP_Len_r12: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib18->commConfig_r12->commRxPool_r12.list.array[j]->data_CP_Len_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB18 prb_Num_r12: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib18->commConfig_r12->commRxPool_r12.list.array[j]->sc_TF_ResourceConfig_r12.prb_Num_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB18 prb_Start_r12: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib18->commConfig_r12->commRxPool_r12.list.array[j]->sc_TF_ResourceConfig_r12.prb_Start_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB18 prb_End_r12: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib18->commConfig_r12->commRxPool_r12.list.array[j]->sc_TF_ResourceConfig_r12.prb_End_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB18 offsetIndicator: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib18->commConfig_r12->commRxPool_r12.list.array[j]->sc_TF_ResourceConfig_r12.offsetIndicator_r12.choice.small_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB18 subframeBitmap_choice_bs_buf: %s \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib18->commConfig_r12->commRxPool_r12.list.array[j]->sc_TF_ResourceConfig_r12.subframeBitmap_r12.choice.bs16_r12.buf);
}
//TTN - SIB 19
for (int j = 0; j < carrier->sib19->discConfig_r12->discRxPool_r12.list.count; j++) {
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" Contents of SIB19 %d/%d \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
j+1,
carrier->sib19->discConfig_r12->discRxPool_r12.list.count);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB19 cp_Len_r12: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib19->discConfig_r12->discRxPool_r12.list.array[j]->cp_Len_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB19 discPeriod_r12: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib19->discConfig_r12->discRxPool_r12.list.array[j]->discPeriod_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB19 numRetx_r12: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib19->discConfig_r12->discRxPool_r12.list.array[j]->numRetx_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB19 numRepetition_r12: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib19->discConfig_r12->discRxPool_r12.list.array[j]->numRepetition_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB19 tf_ResourceConfig_r12 prb_Num_r12: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib19->discConfig_r12->discRxPool_r12.list.array[j]->tf_ResourceConfig_r12.prb_Num_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB19 tf_ResourceConfig_r12 prb_Start_r12: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib19->discConfig_r12->discRxPool_r12.list.array[j]->tf_ResourceConfig_r12.prb_Start_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB19 tf_ResourceConfig_r12 prb_End_r12: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib19->discConfig_r12->discRxPool_r12.list.array[j]->tf_ResourceConfig_r12.prb_End_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB19 tf_ResourceConfig_r12 offsetIndicator: %ld \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib19->discConfig_r12->discRxPool_r12.list.array[j]->tf_ResourceConfig_r12.offsetIndicator_r12.choice.small_r12);
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" SIB19 tf_ResourceConfig_r12 subframeBitmap_choice_bs_buf: %s \n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP),
carrier->sib19->discConfig_r12->discRxPool_r12.list.array[j]->tf_ResourceConfig_r12.subframeBitmap_r12.choice.bs16_r12.buf);
}
}
}
LOG_D(RRC,
PROTOCOL_RRC_CTXT_FMT" RRC_UE --- MAC_CONFIG_REQ (SIB1.tdd & SIB2 params) ---> MAC_UE\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP));
// LTE-M stuff here (take out CU-DU for now)
if (NODE_IS_MONOLITHIC(rrc->node_type)) {
if ((carrier->mib.message.schedulingInfoSIB1_BR_r13>0) &&
(carrier->sib1_BR!=NULL)) {
AssertFatal(carrier->sib1_BR->nonCriticalExtension!=NULL,
"sib2_br->nonCriticalExtension is null (v8.9)\n");
AssertFatal(carrier->sib1_BR->nonCriticalExtension->nonCriticalExtension!=NULL,
"sib2_br->nonCriticalExtension is null (v9.2)\n");
AssertFatal(carrier->sib1_BR->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension!=NULL,
"sib2_br->nonCriticalExtension is null (v11.3)\n");
AssertFatal(carrier->sib1_BR->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension!=NULL,
"sib2_br->nonCriticalExtension is null (v12.5)\n");
AssertFatal(carrier->sib1_BR->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension!=NULL,
"sib2_br->nonCriticalExtension is null (v13.10)\n");
sib1_v13ext = carrier->sib1_BR->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension;
// Basic Asserts for CE_level0 PRACH configuration
LTE_RadioResourceConfigCommonSIB_t *radioResourceConfigCommon_BR = &carrier[CC_id].sib2_BR->radioResourceConfigCommon;
struct LTE_PRACH_ConfigSIB_v1310 *ext4_prach=radioResourceConfigCommon_BR->ext4->prach_ConfigCommon_v1310;
LTE_PRACH_ParametersListCE_r13_t *prach_ParametersListCE_r13 = &ext4_prach->prach_ParametersListCE_r13;
AssertFatal(prach_ParametersListCE_r13->list.count>0,"prach_ParametersListCE_r13 is empty\n");
LTE_PRACH_ParametersCE_r13_t *p = prach_ParametersListCE_r13->list.array[0];
AssertFatal(p->prach_StartingSubframe_r13 != NULL, "prach_StartingSubframe_r13 celevel0 is null\n");
AssertFatal((1<<p->numRepetitionPerPreambleAttempt_r13)<=(2<<*p->prach_StartingSubframe_r13),
"prachce0->numReptitionPerPreambleAttempt_r13 %d > prach_StartingSubframe_r13 %d\n",
1<<p->numRepetitionPerPreambleAttempt_r13,
2<<*p->prach_StartingSubframe_r13);
}
}
if (NODE_IS_MONOLITHIC(rrc->node_type)) {
LOG_D(RRC, "About to call rrc_mac_config_req_eNB for ngran_eNB\n");
rrc_mac_config_req_eNB(ctxt_pP->module_id, CC_id,
carrier->physCellId,
carrier->p_eNB,
carrier->Ncp,
carrier->sib1->freqBandIndicator,
carrier->dl_CarrierFreq,
carrier->pbch_repetition,
0, // rnti
(LTE_BCCH_BCH_Message_t *) &carrier->mib,
(LTE_RadioResourceConfigCommonSIB_t *) &carrier->sib2->radioResourceConfigCommon,
(LTE_RadioResourceConfigCommonSIB_t *) &carrier->sib2_BR->radioResourceConfigCommon,
(struct LTE_PhysicalConfigDedicated *)NULL,
(LTE_SCellToAddMod_r10_t *)NULL,
(LTE_MeasObjectToAddMod_t **) NULL,
(LTE_MAC_MainConfig_t *) NULL, 0,
(struct LTE_LogicalChannelConfig *)NULL,
(LTE_MeasGapConfig_t *) NULL,
carrier->sib1->tdd_Config,
NULL,
&carrier->sib1->schedulingInfoList,
carrier->ul_CarrierFreq,
carrier->sib2->freqInfo.ul_Bandwidth,
&carrier->sib2->freqInfo.additionalSpectrumEmission,
(LTE_MBSFN_SubframeConfigList_t *) carrier->sib2->mbsfn_SubframeConfigList,
carrier->MBMS_flag,
(LTE_MBSFN_AreaInfoList_r9_t *) & carrier->sib13->mbsfn_AreaInfoList_r9,
(LTE_PMCH_InfoList_r9_t *) NULL,
sib1_v13ext,
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].FeMBMS_flag,
(carrier->sib1_MBMS==NULL?(LTE_BCCH_DL_SCH_Message_MBMS_t *) NULL:(LTE_BCCH_DL_SCH_Message_MBMS_t *)carrier->sib1_MBMS),//(LTE_BCCH_DL_SCH_Message_MBMS_t *) NULL,
(LTE_SchedulingInfo_MBMS_r14_t *) NULL,
(carrier->sib1_MBMS==NULL
? (struct LTE_NonMBSFN_SubframeConfig_r14 *)NULL
: (struct LTE_NonMBSFN_SubframeConfig_r14 *)carrier->sib1_MBMS->nonMBSFN_SubframeConfig_r14),//(struct LTE_NonMBSFN_SubframeConfig_r14 *) NULL,
(carrier->sib1_MBMS==NULL
? (LTE_SystemInformationBlockType1_MBMS_r14_t *)NULL
: (LTE_SystemInformationBlockType1_MBMS_r14_t *)carrier->sib1_MBMS->systemInformationBlockType13_r14),//(LTE_SystemInformationBlockType1_MBMS_r14_t *) NULL,
(carrier->sib1_MBMS==NULL
? (LTE_MBSFN_AreaInfoList_r9_t *)NULL
: (LTE_MBSFN_AreaInfoList_r9_t *)&carrier->sib1_MBMS->systemInformationBlockType13_r14->mbsfn_AreaInfoList_r9),//(LTE_MBSFN_AreaInfoList_r9_t *) NULL,
(LTE_MBSFNAreaConfiguration_r9_t *)NULL
);
}
/* set flag to indicate that cell information is configured. This is required
* in DU to trigger F1AP_SETUP procedure */
pthread_mutex_lock(&rrc->cell_info_mutex);
rrc->cell_info_configured=1;
pthread_mutex_unlock(&rrc->cell_info_mutex);
}
/*------------------------------------------------------------------------------*/
static void
init_MCCH(
module_id_t enb_mod_idP,
int CC_id
)
//-----------------------------------------------------------------------------
{
int sync_area = 0;
// initialize RRC_eNB_INST MCCH entry
eNB_RRC_INST *rrc = RC.rrc[enb_mod_idP];
RC.rrc[enb_mod_idP]->carrier[CC_id].MCCH_MESSAGE =
malloc(RC.rrc[enb_mod_idP]->carrier[CC_id].num_mbsfn_sync_area * sizeof(uint8_t *));
for (sync_area = 0; sync_area < RC.rrc[enb_mod_idP]->carrier[CC_id].num_mbsfn_sync_area; sync_area++) {
RC.rrc[enb_mod_idP]->carrier[CC_id].sizeof_MCCH_MESSAGE[sync_area] = 0;
RC.rrc[enb_mod_idP]->carrier[CC_id].MCCH_MESSAGE[sync_area] = (uint8_t *) malloc16(32);
AssertFatal(RC.rrc[enb_mod_idP]->carrier[CC_id].MCCH_MESSAGE[sync_area] != NULL,
"[eNB %d]init_MCCH: FATAL, no memory for MCCH MESSAGE allocated \n", enb_mod_idP);
RC.rrc[enb_mod_idP]->carrier[CC_id].sizeof_MCCH_MESSAGE[sync_area] = do_MBSFNAreaConfig(enb_mod_idP,
sync_area,
(uint8_t *)RC.rrc[enb_mod_idP]->carrier[CC_id].MCCH_MESSAGE[sync_area],
&RC.rrc[enb_mod_idP]->carrier[CC_id].mcch,
&RC.rrc[enb_mod_idP]->carrier[CC_id].mcch_message);
LOG_I(RRC, "mcch message pointer %p for sync area %d \n",
RC.rrc[enb_mod_idP]->carrier[CC_id].MCCH_MESSAGE[sync_area],
sync_area);
LOG_D(RRC, "[eNB %d] MCCH_MESSAGE contents for Sync Area %d (partial)\n", enb_mod_idP, sync_area);
LOG_D(RRC, "[eNB %d] CommonSF_AllocPeriod_r9 %ld\n", enb_mod_idP,
RC.rrc[enb_mod_idP]->carrier[CC_id].mcch_message->commonSF_AllocPeriod_r9);
LOG_D(RRC,
"[eNB %d] CommonSF_Alloc_r9.list.count (number of MBSFN Subframe Pattern) %d\n",
enb_mod_idP, RC.rrc[enb_mod_idP]->carrier[CC_id].mcch_message->commonSF_Alloc_r9.list.count);
LOG_D(RRC, "[eNB %d] MBSFN Subframe Pattern: %02x (in hex)\n",
enb_mod_idP,
RC.rrc[enb_mod_idP]->carrier[CC_id].mcch_message->commonSF_Alloc_r9.list.array[0]->subframeAllocation.
choice.oneFrame.buf[0]);
AssertFatal(RC.rrc[enb_mod_idP]->carrier[CC_id].sizeof_MCCH_MESSAGE[sync_area] != 255,
"RC.rrc[enb_mod_idP]->carrier[CC_id].sizeof_MCCH_MESSAGE[sync_area] == 255");
RC.rrc[enb_mod_idP]->carrier[CC_id].MCCH_MESS[sync_area].Active = 1;
}
//Set the RC.rrc[enb_mod_idP]->MCCH_MESS.Active to 1 (allow to transfer MCCH message RRC->MAC in function mac_rrc_data_req)
// ??Configure MCCH logical channel
// call mac_config_req with appropriate structure from ASN.1 description
// LOG_I(RRC, "DUY: serviceID is %d\n",RC.rrc[enb_mod_idP]->mcch_message->pmch_InfoList_r9.list.array[0]->mbms_SessionInfoList_r9.list.array[0]->tmgi_r9.serviceId_r9.buf[2]);
// LOG_I(RRC, "DUY: session ID is %d\n",RC.rrc[enb_mod_idP]->mcch_message->pmch_InfoList_r9.list.array[0]->mbms_SessionInfoList_r9.list.array[0]->sessionId_r9->buf[0]);
if (NODE_IS_MONOLITHIC(rrc->node_type)) {
rrc_mac_config_req_eNB(enb_mod_idP, CC_id,
0,0,0,0,0, 0, 0,//rnti
(LTE_BCCH_BCH_Message_t *)NULL,
(LTE_RadioResourceConfigCommonSIB_t *) NULL,
(LTE_RadioResourceConfigCommonSIB_t *) NULL,
(struct LTE_PhysicalConfigDedicated *)NULL,
(LTE_SCellToAddMod_r10_t *)NULL,
//(struct LTE_PhysicalConfigDedicatedSCell_r10 *)NULL,
(LTE_MeasObjectToAddMod_t **) NULL,
(LTE_MAC_MainConfig_t *) NULL,
0,
(struct LTE_LogicalChannelConfig *)NULL,
(LTE_MeasGapConfig_t *) NULL,
(LTE_TDD_Config_t *) NULL,
(LTE_MobilityControlInfo_t *)NULL,
(LTE_SchedulingInfoList_t *) NULL,
0, NULL, NULL, (LTE_MBSFN_SubframeConfigList_t *) NULL, 0,
(LTE_MBSFN_AreaInfoList_r9_t *) NULL,
(LTE_PMCH_InfoList_r9_t *) & (RC.rrc[enb_mod_idP]->carrier[CC_id].mcch_message->pmch_InfoList_r9),
(LTE_SystemInformationBlockType1_v1310_IEs_t *)NULL,
0,
(LTE_BCCH_DL_SCH_Message_MBMS_t *) NULL,
(LTE_SchedulingInfo_MBMS_r14_t *) NULL,
(struct LTE_NonMBSFN_SubframeConfig_r14 *) NULL,
(LTE_SystemInformationBlockType1_MBMS_r14_t *) NULL,
(LTE_MBSFN_AreaInfoList_r9_t *) NULL,
(LTE_MBSFNAreaConfiguration_r9_t *) NULL
);
}
//LOG_I(RRC,"DUY: lcid after rrc_mac_config_req is %02d\n",RC.rrc[enb_mod_idP]->mcch_message->pmch_InfoList_r9.list.array[0]->mbms_SessionInfoList_r9.list.array[0]->logicalChannelIdentity_r9);
}
//-----------------------------------------------------------------------------
static void init_MBMS(
module_id_t enb_mod_idP,
int CC_id,
frame_t frameP
)
//-----------------------------------------------------------------------------
{
// init the configuration for MTCH
protocol_ctxt_t ctxt;
if (RC.rrc[enb_mod_idP]->carrier[CC_id].MBMS_flag > 0) {
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, enb_mod_idP, ENB_FLAG_YES, NOT_A_RNTI, frameP, 0,enb_mod_idP);
LOG_D(RRC, "[eNB %d] Frame %d : Radio Bearer config request for MBMS\n", enb_mod_idP, frameP); //check the lcid
// Configuring PDCP and RLC for MBMS Radio Bearer
rrc_pdcp_config_asn1_req(&ctxt,
(LTE_SRB_ToAddModList_t *)NULL, // LTE_SRB_ToAddModList
(LTE_DRB_ToAddModList_t *)NULL, // LTE_DRB_ToAddModList
(LTE_DRB_ToReleaseList_t *)NULL,
0, // security mode
NULL, // key rrc encryption
NULL, // key rrc integrity
NULL // key encryption
, &(RC.rrc[enb_mod_idP]->carrier[CC_id].mcch_message->pmch_InfoList_r9)
,NULL);
if (!NODE_IS_CU(RC.rrc[enb_mod_idP]->node_type)) {
rrc_rlc_config_asn1_req(&ctxt,
NULL, // LTE_SRB_ToAddModList
NULL, // LTE_DRB_ToAddModList
NULL, // DRB_ToReleaseList
&(RC.rrc[enb_mod_idP]->carrier[CC_id].mcch_message->pmch_InfoList_r9),0, 0
);
}
//rrc_mac_config_req();
}
}
//-----------------------------------------------------------------------------
uint8_t
rrc_eNB_get_next_transaction_identifier(
module_id_t enb_mod_idP
)
//-----------------------------------------------------------------------------
{
static uint8_t rrc_transaction_identifier[NUMBER_OF_eNB_MAX];
rrc_transaction_identifier[enb_mod_idP] = (rrc_transaction_identifier[enb_mod_idP] + 1) % RRC_TRANSACTION_IDENTIFIER_NUMBER;
LOG_T(RRC,"generated xid is %d\n",rrc_transaction_identifier[enb_mod_idP]);
return rrc_transaction_identifier[enb_mod_idP];
}
/*------------------------------------------------------------------------------*/
/* Functions to handle UE index in eNB UE list */
////-----------------------------------------------------------------------------
//static module_id_t
//rrc_eNB_get_UE_index(
// module_id_t enb_mod_idP,
// uint64_t UE_identity
//)
////-----------------------------------------------------------------------------
//{
//
// boolean_t reg = FALSE;
// module_id_t i;
//
// AssertFatal(enb_mod_idP < NB_eNB_INST, "eNB index invalid (%d/%d)!", enb_mod_idP, NB_eNB_INST);
//
// for (i = 0; i < MAX_MOBILES_PER_ENB; i++) {
// if (RC.rrc[enb_mod_idP]->Info.UE_info[i] == UE_identity) {
// // UE_identity already registered
// reg = TRUE;
// break;
// }
// }
//
// if (reg == FALSE) {
// return (UE_MODULE_INVALID);
// } else
// return (i);
//}
//-----------------------------------------------------------------------------
// return the ue context if there is already an UE with ue_identityP, NULL otherwise
static struct rrc_eNB_ue_context_s *
rrc_eNB_ue_context_random_exist(
const protocol_ctxt_t *const ctxt_pP,
const uint64_t ue_identityP
)
//-----------------------------------------------------------------------------
{
struct rrc_eNB_ue_context_s *ue_context_p = NULL;
RB_FOREACH(ue_context_p, rrc_ue_tree_s, &(RC.rrc[ctxt_pP->module_id]->rrc_ue_head)) {
if (ue_context_p->ue_context.random_ue_identity == ue_identityP)
return ue_context_p;
}
return NULL;
}
//-----------------------------------------------------------------------------
// return the ue context if there is already an UE with the same S-TMSI(MMEC+M-TMSI), NULL otherwise
static struct rrc_eNB_ue_context_s *
rrc_eNB_ue_context_stmsi_exist(
const protocol_ctxt_t *const ctxt_pP,
const mme_code_t mme_codeP,
const m_tmsi_t m_tmsiP
)
//-----------------------------------------------------------------------------
{
struct rrc_eNB_ue_context_s *ue_context_p = NULL;
RB_FOREACH(ue_context_p, rrc_ue_tree_s, &(RC.rrc[ctxt_pP->module_id]->rrc_ue_head)) {
LOG_I(RRC,"checking for UE S-TMSI %x, mme %x (%p): rnti %x",
m_tmsiP, mme_codeP, ue_context_p,
ue_context_p->ue_context.rnti);
if (ue_context_p->ue_context.Initialue_identity_s_TMSI.presence == TRUE) {
printf("=> S-TMSI %x, MME %x\n",
ue_context_p->ue_context.Initialue_identity_s_TMSI.m_tmsi,
ue_context_p->ue_context.Initialue_identity_s_TMSI.mme_code);
if (ue_context_p->ue_context.Initialue_identity_s_TMSI.m_tmsi == m_tmsiP)
if (ue_context_p->ue_context.Initialue_identity_s_TMSI.mme_code == mme_codeP)
return ue_context_p;
} else
printf("\n");
}
return NULL;
}
//-----------------------------------------------------------------------------
// return a new ue context structure if ue_identityP, ctxt_pP->rnti not found in collection
static struct rrc_eNB_ue_context_s *
rrc_eNB_get_next_free_ue_context(
const protocol_ctxt_t *const ctxt_pP,
const uint64_t ue_identityP
)
//-----------------------------------------------------------------------------
{
struct rrc_eNB_ue_context_s *ue_context_p = NULL;
ue_context_p = rrc_eNB_get_ue_context(
RC.rrc[ctxt_pP->module_id],
ctxt_pP->rnti);
if (ue_context_p == NULL) {
ue_context_p = rrc_eNB_allocate_new_UE_context(RC.rrc[ctxt_pP->module_id]);
if (ue_context_p == NULL) {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" Cannot create new UE context, no memory\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
return NULL;
}
ue_context_p->ue_id_rnti = ctxt_pP->rnti; // here ue_id_rnti is just a key, may be something else
ue_context_p->ue_context.rnti = ctxt_pP->rnti; // yes duplicate, 1 may be removed
ue_context_p->ue_context.random_ue_identity = ue_identityP;
RB_INSERT(rrc_ue_tree_s, &RC.rrc[ctxt_pP->module_id]->rrc_ue_head, ue_context_p);
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" Created new UE context uid %u\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
ue_context_p->local_uid);
return ue_context_p;
} else {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" Cannot create new UE context, already exist\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
return NULL;
}
return(ue_context_p);
}
//-----------------------------------------------------------------------------
void
rrc_eNB_free_mem_UE_context(
const protocol_ctxt_t *const ctxt_pP,
struct rrc_eNB_ue_context_s *const ue_context_pP
)
//-----------------------------------------------------------------------------
{
int i;
LOG_T(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" Clearing UE context 0x%p (free internal structs)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
ue_context_pP);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_LTE_SCellToAddMod_r10, &ue_context_pP->ue_context.sCell_config[0]);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_LTE_SCellToAddMod_r10, &ue_context_pP->ue_context.sCell_config[1]);
if (ue_context_pP->ue_context.SRB_configList) {
ASN_STRUCT_FREE(asn_DEF_LTE_SRB_ToAddModList, ue_context_pP->ue_context.SRB_configList);
ue_context_pP->ue_context.SRB_configList = NULL;
}
for(i = 0; i < RRC_TRANSACTION_IDENTIFIER_NUMBER; i++) {
if (ue_context_pP->ue_context.SRB_configList2[i]) {
free(ue_context_pP->ue_context.SRB_configList2[i]);
ue_context_pP->ue_context.SRB_configList2[i] = NULL;
}
}
if (ue_context_pP->ue_context.DRB_configList) {
ASN_STRUCT_FREE(asn_DEF_LTE_DRB_ToAddModList, ue_context_pP->ue_context.DRB_configList);
ue_context_pP->ue_context.DRB_configList = NULL;
}
for(i = 0; i < RRC_TRANSACTION_IDENTIFIER_NUMBER; i++) {
if (ue_context_pP->ue_context.DRB_configList2[i]) {
free(ue_context_pP->ue_context.DRB_configList2[i]);
ue_context_pP->ue_context.DRB_configList2[i] = NULL;
}
if (ue_context_pP->ue_context.DRB_Release_configList2[i]) {
free(ue_context_pP->ue_context.DRB_Release_configList2[i]);
ue_context_pP->ue_context.DRB_Release_configList2[i] = NULL;
}
}
memset(ue_context_pP->ue_context.DRB_active, 0, sizeof(ue_context_pP->ue_context.DRB_active));
if (ue_context_pP->ue_context.physicalConfigDedicated) {
ASN_STRUCT_FREE(asn_DEF_LTE_PhysicalConfigDedicated, ue_context_pP->ue_context.physicalConfigDedicated);
ue_context_pP->ue_context.physicalConfigDedicated = NULL;
}
if (ue_context_pP->ue_context.sps_Config) {
ASN_STRUCT_FREE(asn_DEF_LTE_SPS_Config, ue_context_pP->ue_context.sps_Config);
ue_context_pP->ue_context.sps_Config = NULL;
}
for (i=0; i < MAX_MEAS_OBJ; i++) {
if (ue_context_pP->ue_context.MeasObj[i] != NULL) {
ASN_STRUCT_FREE(asn_DEF_LTE_MeasObjectToAddMod, ue_context_pP->ue_context.MeasObj[i]);
ue_context_pP->ue_context.MeasObj[i] = NULL;
}
}
for (i=0; i < MAX_MEAS_CONFIG; i++) {
if (ue_context_pP->ue_context.ReportConfig[i] != NULL) {
ASN_STRUCT_FREE(asn_DEF_LTE_ReportConfigToAddMod, ue_context_pP->ue_context.ReportConfig[i]);
ue_context_pP->ue_context.ReportConfig[i] = NULL;
}
}
if (ue_context_pP->ue_context.QuantityConfig) {
ASN_STRUCT_FREE(asn_DEF_LTE_QuantityConfig, ue_context_pP->ue_context.QuantityConfig);
ue_context_pP->ue_context.QuantityConfig = NULL;
}
if (ue_context_pP->ue_context.mac_MainConfig) {
ASN_STRUCT_FREE(asn_DEF_LTE_MAC_MainConfig, ue_context_pP->ue_context.mac_MainConfig);
ue_context_pP->ue_context.mac_MainConfig = NULL;
}
/* if (ue_context_pP->ue_context.measGapConfig) {
ASN_STRUCT_FREE(asn_DEF_LTE_MeasGapConfig, ue_context_pP->ue_context.measGapConfig);
ue_context_pP->ue_context.measGapConfig = NULL;
}*/
if (ue_context_pP->ue_context.handover_info) {
/* TODO: be sure free is enough here (check memory leaks) */
free(ue_context_pP->ue_context.handover_info);
ue_context_pP->ue_context.handover_info = NULL;
}
if (ue_context_pP->ue_context.measurement_info) {
/* TODO: be sure free is enough here (check memory leaks) */
if (ue_context_pP->ue_context.measurement_info->events) {
if (ue_context_pP->ue_context.measurement_info->events->a3_event) {
free(ue_context_pP->ue_context.measurement_info->events->a3_event);
ue_context_pP->ue_context.measurement_info->events->a3_event = NULL;
}
free(ue_context_pP->ue_context.measurement_info->events);
ue_context_pP->ue_context.measurement_info->events = NULL;
}
free(ue_context_pP->ue_context.measurement_info);
ue_context_pP->ue_context.measurement_info = NULL;
}
//SRB_INFO SI;
//SRB_INFO Srb0;
//SRB_INFO_TABLE_ENTRY Srb1;
//SRB_INFO_TABLE_ENTRY Srb2;
if (ue_context_pP->ue_context.measConfig) {
ASN_STRUCT_FREE(asn_DEF_LTE_MeasConfig, ue_context_pP->ue_context.measConfig);
ue_context_pP->ue_context.measConfig = NULL;
}
if (ue_context_pP->ue_context.measConfig) {
ASN_STRUCT_FREE(asn_DEF_LTE_MeasConfig, ue_context_pP->ue_context.measConfig);
ue_context_pP->ue_context.measConfig = NULL;
}
#if 0
//HANDOVER_INFO *handover_info;
//uint8_t kenb[32];
//e_SecurityAlgorithmConfig__cipheringAlgorithm ciphering_algorithm;
//e_SecurityAlgorithmConfig__integrityProtAlgorithm integrity_algorithm;
//uint8_t Status;
//rnti_t rnti;
//uint64_t random_ue_identity;
//UE_S_TMSI Initialue_identity_s_TMSI;
//EstablishmentCause_t establishment_cause;
//ReestablishmentCause_t reestablishment_cause;
//uint16_t ue_initial_id;
//uint32_t eNB_ue_s1ap_id :24;
//security_capabilities_t security_capabilities;
//uint8_t nb_of_e_rabs;
//e_rab_param_t e_rab[S1AP_MAX_E_RAB];
//uint32_t enb_gtp_teid[S1AP_MAX_E_RAB];
//transport_layer_addr_t enb_gtp_addrs[S1AP_MAX_E_RAB];
//rb_id_t enb_gtp_ebi[S1AP_MAX_E_RAB];
#endif
}
//-----------------------------------------------------------------------------
/*
* Should be called when UE context in eNB should be released
* or when S1 command UE_CONTEXT_RELEASE_REQ should be sent
*/
void
rrc_eNB_free_UE(
const module_id_t enb_mod_idP,
const struct rrc_eNB_ue_context_s *const ue_context_pP)
//-----------------------------------------------------------------------------
{
rnti_t rnti = ue_context_pP->ue_context.rnti;
if (enb_mod_idP >= NB_eNB_INST) {
LOG_E(RRC, "eNB instance invalid (%d/%d) for UE %x!\n",
enb_mod_idP,
NB_eNB_INST,
rnti);
return;
}
if(EPC_MODE_ENABLED) {
if (!NODE_IS_DU(RC.rrc[enb_mod_idP]->node_type)) {
if((ue_context_pP->ue_context.ul_failure_timer >= 20000) && (mac_eNB_get_rrc_status(enb_mod_idP, rnti) >= RRC_CONNECTED)) {
LOG_I(RRC, "[eNB %d] S1AP_UE_CONTEXT_RELEASE_REQ sent for RNTI %x, cause 21, radio connection with ue lost\n",
enb_mod_idP,
rnti);
rrc_eNB_send_S1AP_UE_CONTEXT_RELEASE_REQ(enb_mod_idP,
ue_context_pP,
S1AP_CAUSE_RADIO_NETWORK,
21); // send cause 21: radio connection with ue lost
/* From 3GPP 36300v10 p129 : 19.2.2.2.2 S1 UE Context Release Request (eNB triggered)
* If the E-UTRAN internal reason is a radio link failure detected in the eNB, the eNB shall wait a sufficient time before
* triggering the S1 UE Context Release Request procedure in order to allow the UE to perform the NAS recovery
* procedure, see TS 23.401 [17].
*/
return;
}
if((ue_context_pP->ue_context.ue_rrc_inactivity_timer >= RC.rrc[enb_mod_idP]->configuration.rrc_inactivity_timer_thres) &&
(mac_eNB_get_rrc_status(enb_mod_idP, rnti) >= RRC_CONNECTED) &&
(RC.rrc[enb_mod_idP]->configuration.rrc_inactivity_timer_thres > 0)) {
LOG_I(RRC, "[eNB %d] S1AP_UE_CONTEXT_RELEASE_REQ sent for RNTI %x, cause 20, user inactivity\n",
enb_mod_idP,
rnti);
rrc_eNB_send_S1AP_UE_CONTEXT_RELEASE_REQ(enb_mod_idP,
ue_context_pP,
S1AP_CAUSE_RADIO_NETWORK,
20); // send cause 20: user inactivity
return;
}
}
}
LOG_W(RRC, "[eNB %d] Removing UE RNTI %x\n",
enb_mod_idP,
rnti);
// add UE info to freeList
LOG_I(RRC, "Put UE %x into freeList\n",
rnti);
put_UE_in_freelist(enb_mod_idP, rnti, 1);
}
void remove_UE_from_freelist(module_id_t mod_id, rnti_t rnti) {
eNB_MAC_INST *eNB_MAC = RC.mac[mod_id];
pthread_mutex_lock(&lock_ue_freelist);
UE_free_list_t *free_list = &eNB_MAC->UE_free_list;
free_list->UE_free_ctrl[free_list->head_freelist].rnti = 0;
free_list->head_freelist = (free_list->head_freelist + 1) % (NUMBER_OF_UE_MAX+1);
free_list->num_UEs--;
pthread_mutex_unlock(&lock_ue_freelist);
}
void put_UE_in_freelist(module_id_t mod_id, rnti_t rnti, boolean_t removeFlag) {
UE_free_list_t *free_list = NULL;
eNB_MAC_INST *eNB_MAC = RC.mac[mod_id];
pthread_mutex_lock(&lock_ue_freelist);
free_list = &eNB_MAC->UE_free_list;
free_list->UE_free_ctrl[free_list->tail_freelist].rnti = rnti;
free_list->UE_free_ctrl[free_list->tail_freelist].removeContextFlg = removeFlag;
free_list->num_UEs++;
eNB_MAC->UE_release_req.ue_release_request_body.ue_release_request_TLVs_list[eNB_MAC->UE_release_req.ue_release_request_body.number_of_TLVs].rnti = rnti;
eNB_MAC->UE_release_req.ue_release_request_body.number_of_TLVs++;
free_list->tail_freelist = (free_list->tail_freelist + 1) % (NUMBER_OF_UE_MAX+1);
pthread_mutex_unlock(&lock_ue_freelist);
}
extern int16_t find_dlsch(uint16_t rnti, PHY_VARS_eNB *eNB,find_type_t type);
extern int16_t find_ulsch(uint16_t rnti, PHY_VARS_eNB *eNB,find_type_t type);
extern void clean_eNb_ulsch(LTE_eNB_ULSCH_t *ulsch);
extern void clean_eNb_dlsch(LTE_eNB_DLSCH_t *dlsch);
void release_UE_in_freeList(module_id_t mod_id) {
int i, j, CC_id, pdu_number;
protocol_ctxt_t ctxt;
nfapi_ul_config_request_body_t *ul_req_tmp = NULL;
PHY_VARS_eNB *eNB_PHY = NULL;
struct rrc_eNB_ue_context_s *ue_context_pP = NULL;
eNB_MAC_INST *eNB_MAC = RC.mac[mod_id];
boolean_t remove_UEContext;
rnti_t rnti;
int head, tail, ue_num;
pthread_mutex_lock(&lock_ue_freelist);
head = eNB_MAC->UE_free_list.head_freelist;
tail = eNB_MAC->UE_free_list.tail_freelist;
if(head == tail) {
pthread_mutex_unlock(&lock_ue_freelist);
return;
}
if(tail < head) {
tail = head + eNB_MAC->UE_free_list.num_UEs;
}
pthread_mutex_unlock(&lock_ue_freelist);
for(ue_num = head; ue_num < tail; ue_num++) {
ue_num = ue_num % (NUMBER_OF_UE_MAX+1);
rnti = eNB_MAC->UE_free_list.UE_free_ctrl[ue_num].rnti;
if(rnti != 0) {
remove_UEContext = eNB_MAC->UE_free_list.UE_free_ctrl[ue_num].removeContextFlg;
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, mod_id, ENB_FLAG_YES, rnti, 0, 0,mod_id);
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
eNB_PHY = RC.eNB[mod_id][CC_id];
int id;
// clean ULSCH entries for rnti
id = find_ulsch(rnti,eNB_PHY,SEARCH_EXIST);
if (id>=0) clean_eNb_ulsch(eNB_PHY->ulsch[id]);
// clean DLSCH entries for rnti
id = find_dlsch(rnti,eNB_PHY,SEARCH_EXIST);
if (id>=0) clean_eNb_dlsch(eNB_PHY->dlsch[id][0]);
// clean UCI entries for rnti
for (i=0; i<NUMBER_OF_UCI_VARS_MAX; i++) {
if(eNB_PHY->uci_vars[i].rnti == rnti) {
LOG_I(MAC, "clean eNb uci_vars[%d] UE %x \n",i, rnti);
memset(&eNB_PHY->uci_vars[i],0,sizeof(LTE_eNB_UCI));
}
}
/*
for (i=0; i<MAX_MOBILES_PER_ENB; i++) {
ulsch = eNB_PHY->ulsch[i];
if((ulsch != NULL) && (ulsch->rnti == rnti)) {
void clean_eNb_ulsch(LTE_eNB_ULSCH_t *ulsch);
LOG_I(RRC, "clean_eNb_ulsch ulsch[%d] UE %x\n", i, rnti);
clean_eNb_ulsch(ulsch);
}
dlsch = eNB_PHY->dlsch[i][0];
if((dlsch != NULL) && (dlsch->rnti == rnti)) {
void clean_eNb_dlsch(LTE_eNB_DLSCH_t *dlsch);
LOG_I(RRC, "clean_eNb_dlsch dlsch[%d] UE %x \n", i, rnti);
clean_eNb_dlsch(dlsch);
}
}
ulsch = eNB_PHY->ulsch[i];
if((ulsch != NULL) && (ulsch->rnti == rnti)) {
void clean_eNb_ulsch(LTE_eNB_ULSCH_t *ulsch);
LOG_I(RRC, "clean_eNb_ulsch ulsch[%d] UE %x\n", i, rnti);
clean_eNb_ulsch(ulsch);
}
for (i=0; i<NUMBER_OF_UCI_VARS_MAX; i++) {
if(eNB_PHY->uci_vars[i].rnti == rnti) {
LOG_I(MAC, "clean eNb uci_vars[%d] UE %x \n",i, rnti);
memset(&eNB_PHY->uci_vars[i],0,sizeof(LTE_eNB_UCI));
}
}
*/
if (flexran_agent_get_rrc_xface(mod_id)) {
flexran_agent_get_rrc_xface(mod_id)->flexran_agent_notify_ue_state_change(
mod_id, rnti, PROTOCOL__FLEX_UE_STATE_CHANGE_TYPE__FLUESC_DEACTIVATED);
}
for(j = 0; j < 10; j++) {
ul_req_tmp = &eNB_MAC->UL_req_tmp[CC_id][j].ul_config_request_body;
if(ul_req_tmp) {
pdu_number = ul_req_tmp->number_of_pdus;
for(int pdu_index = pdu_number-1; pdu_index >= 0; pdu_index--) {
if((ul_req_tmp->ul_config_pdu_list[pdu_index].ulsch_pdu.ulsch_pdu_rel8.rnti == rnti) ||
(ul_req_tmp->ul_config_pdu_list[pdu_index].uci_harq_pdu.ue_information.ue_information_rel8.rnti == rnti) ||
(ul_req_tmp->ul_config_pdu_list[pdu_index].uci_cqi_pdu.ue_information.ue_information_rel8.rnti == rnti) ||
(ul_req_tmp->ul_config_pdu_list[pdu_index].uci_sr_pdu.ue_information.ue_information_rel8.rnti == rnti) ||
(ul_req_tmp->ul_config_pdu_list[pdu_index].srs_pdu.srs_pdu_rel8.rnti == rnti)) {
LOG_I(RRC, "remove UE %x from ul_config_pdu_list %d/%d\n", rnti, pdu_index, pdu_number);
if(pdu_index < pdu_number -1) {
memcpy(&ul_req_tmp->ul_config_pdu_list[pdu_index], &ul_req_tmp->ul_config_pdu_list[pdu_index+1], (pdu_number-1-pdu_index) * sizeof(nfapi_ul_config_request_pdu_t));
}
ul_req_tmp->number_of_pdus--;
}
}
}
}
}
if (!NODE_IS_CU(RC.rrc[mod_id]->node_type)) {
rrc_mac_remove_ue(mod_id,rnti);
rrc_rlc_remove_ue(&ctxt);
pdcp_remove_UE(&ctxt);
} else {
MessageDef *m = itti_alloc_new_message(TASK_RRC_ENB, 0, F1AP_UE_CONTEXT_RELEASE_CMD);
F1AP_UE_CONTEXT_RELEASE_CMD(m).rnti = rnti;
F1AP_UE_CONTEXT_RELEASE_CMD(m).cause = F1AP_CAUSE_RADIO_NETWORK;
F1AP_UE_CONTEXT_RELEASE_CMD(m).cause_value = 10; // 10 = F1AP_CauseRadioNetwork_normal_release
F1AP_UE_CONTEXT_RELEASE_CMD(m).rrc_container = NULL;
F1AP_UE_CONTEXT_RELEASE_CMD(m).rrc_container_length = 0;
itti_send_msg_to_task(TASK_CU_F1, mod_id, m);
}
if(remove_UEContext) {
ue_context_pP = rrc_eNB_get_ue_context(RC.rrc[mod_id],rnti);
if(ue_context_pP) {
rrc_eNB_remove_ue_context(&ctxt,RC.rrc[mod_id],
(struct rrc_eNB_ue_context_s *) ue_context_pP);
}
}
LOG_I(RRC, "[release_UE_in_freeList] remove UE %x from freeList\n", rnti);
remove_UE_from_freelist(mod_id, rnti);
}
}
}
int rrc_eNB_previous_SRB2(rrc_eNB_ue_context_t *ue_context_pP) {
struct LTE_SRB_ToAddMod *SRB2_config = NULL;
uint8_t i;
LTE_SRB_ToAddModList_t *SRB_configList = ue_context_pP->ue_context.SRB_configList;
LTE_SRB_ToAddModList_t **SRB_configList2 = &ue_context_pP->ue_context.SRB_configList2[ue_context_pP->ue_context.reestablishment_xid];
if (*SRB_configList2 != NULL) {
if((*SRB_configList2)->list.count!=0) {
LOG_D(RRC, "rrc_eNB_previous_SRB2 SRB_configList2(%p) count is %d\n SRB_configList2->list.array[0] addr is %p",
SRB_configList2, (*SRB_configList2)->list.count, (*SRB_configList2)->list.array[0]);
}
for (i = 0; (i < (*SRB_configList2)->list.count) && (i < 3); i++) {
if ((*SRB_configList2)->list.array[i]->srb_Identity == 2 ) {
SRB2_config = (*SRB_configList2)->list.array[i];
break;
}
}
} else {
LOG_E(RRC, "rrc_eNB_previous_SRB2 SRB_configList2 NULL\n");
}
if (SRB2_config != NULL) {
ASN_SEQUENCE_ADD(&SRB_configList->list, SRB2_config);
} else {
LOG_E(RRC, "rrc_eNB_previous_SRB2 SRB2_config NULL\n");
}
return 0;
}
//-----------------------------------------------------------------------------
/*
* Process the rrc connection setup complete message from UE (SRB1 Active)
*/
void
rrc_eNB_process_RRCConnectionSetupComplete(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *ue_context_pP,
LTE_RRCConnectionSetupComplete_r8_IEs_t *rrcConnectionSetupComplete
)
//-----------------------------------------------------------------------------
{
LOG_I(RRC, PROTOCOL_RRC_CTXT_UE_FMT" [RAPROC] Logical Channel UL-DCCH, " "processing LTE_RRCConnectionSetupComplete from UE (SRB1 Active)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
ue_context_pP->ue_context.Srb1.Active = 1;
ue_context_pP->ue_context.Status = RRC_CONNECTED;
ue_context_pP->ue_context.ue_rrc_inactivity_timer = 1; // set rrc inactivity timer when UE goes into RRC_CONNECTED
T(T_ENB_RRC_CONNECTION_SETUP_COMPLETE,
T_INT(ctxt_pP->module_id),
T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe),
T_INT(ctxt_pP->rnti));
if (EPC_MODE_ENABLED == 1) {
// Forward message to S1AP layer
rrc_eNB_send_S1AP_NAS_FIRST_REQ(ctxt_pP, ue_context_pP, rrcConnectionSetupComplete);
} else {
// RRC loop back (no S1AP), send SecurityModeCommand to UE
rrc_eNB_generate_SecurityModeCommand(ctxt_pP, ue_context_pP);
}
}
//-----------------------------------------------------------------------------
void
rrc_eNB_generate_SecurityModeCommand(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP
)
//-----------------------------------------------------------------------------
{
uint8_t buffer[100];
uint8_t size;
T(T_ENB_RRC_SECURITY_MODE_COMMAND, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
size = do_SecurityModeCommand(
ctxt_pP,
buffer,
rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id),
ue_context_pP->ue_context.ciphering_algorithm,
ue_context_pP->ue_context.integrity_algorithm);
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)buffer,size,"[MSG] RRC Security Mode Command\n");
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" Logical Channel DL-DCCH, Generate SecurityModeCommand (bytes %d)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
size);
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" --- PDCP_DATA_REQ/%d Bytes (securityModeCommand to UE MUI %d) --->[PDCP][RB %02d]\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
size,
rrc_eNB_mui,
DCCH);
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
buffer,
size,
MSC_AS_TIME_FMT" securityModeCommand UE %x MUI %d size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
rrc_eNB_mui,
size);
if (!NODE_IS_DU(RC.rrc[ctxt_pP->module_id]->node_type)) {
LOG_I(RRC,"calling rrc_data_req :securityModeCommand\n");
rrc_data_req(ctxt_pP,
DCCH,
rrc_eNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
}
}
//-----------------------------------------------------------------------------
void
rrc_eNB_generate_UECapabilityEnquiry(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP
)
//-----------------------------------------------------------------------------
{
uint8_t buffer[100];
uint8_t size;
T(T_ENB_RRC_UE_CAPABILITY_ENQUIRY, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
int16_t eutra_band = RC.rrc[ctxt_pP->module_id]->configuration.eutra_band[0];
uint32_t nr_band = RC.rrc[ctxt_pP->module_id]->nr_neigh_freq_band[0][0];
size = do_UECapabilityEnquiry(
ctxt_pP,
buffer,
rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id),
eutra_band,
nr_band);
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" Logical Channel DL-DCCH, Generate UECapabilityEnquiry (bytes %d)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
size);
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" --- PDCP_DATA_REQ/%d Bytes (UECapabilityEnquiry MUI %d) --->[PDCP][RB %02d]\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
size,
rrc_eNB_mui,
DCCH);
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
buffer,
size,
MSC_AS_TIME_FMT" rrcUECapabilityEnquiry UE %x MUI %d size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
rrc_eNB_mui,
size);
rrc_data_req(
ctxt_pP,
DCCH,
rrc_eNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
}
//-----------------------------------------------------------------------------
void
rrc_eNB_generate_NR_UECapabilityEnquiry(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP
)
//-----------------------------------------------------------------------------
{
uint8_t buffer[100];
uint8_t size;
T(T_ENB_RRC_UE_CAPABILITY_ENQUIRY, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
int16_t eutra_band = RC.rrc[ctxt_pP->module_id]->configuration.eutra_band[0];
uint32_t nr_band = RC.rrc[ctxt_pP->module_id]->nr_neigh_freq_band[0][0];
size = do_NR_UECapabilityEnquiry(
ctxt_pP,
buffer,
rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id),
eutra_band,
nr_band);
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" Logical Channel DL-DCCH, Generate NR UECapabilityEnquiry (bytes %d)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
size);
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" --- PDCP_DATA_REQ/%d Bytes (NR UECapabilityEnquiry MUI %d) --->[PDCP][RB %02d]\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
size,
rrc_eNB_mui,
DCCH);
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
buffer,
size,
MSC_AS_TIME_FMT" rrcNRUECapabilityEnquiry UE %x MUI %d size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
rrc_eNB_mui,
size);
rrc_data_req(
ctxt_pP,
DCCH,
rrc_eNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
}
//-----------------------------------------------------------------------------
void
rrc_eNB_generate_RRCConnectionReject(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP,
const int CC_id
)
//-----------------------------------------------------------------------------
{
T(T_ENB_RRC_CONNECTION_REJECT, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
eNB_RRC_UE_t *ue_p = &ue_context_pP->ue_context;
ue_p->Srb0.Tx_buffer.payload_size =
do_RRCConnectionReject(ctxt_pP->module_id,
(uint8_t *) ue_p->Srb0.Tx_buffer.Payload);
LOG_DUMPMSG(RRC,DEBUG_RRC,
(char *)(ue_p->Srb0.Tx_buffer.Payload),
ue_p->Srb0.Tx_buffer.payload_size,
"[MSG] RRCConnectionReject\n");
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
ue_p->Srb0.Tx_buffer.Header,
ue_p->Srb0.Tx_buffer.payload_size,
MSC_AS_TIME_FMT" LTE_RRCConnectionReject UE %x size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP == NULL ? -1 : ue_context_pP->ue_context.rnti,
ue_p->Srb0.Tx_buffer.payload_size);
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" [RAPROC] Logical Channel DL-CCCH, Generating LTE_RRCConnectionReject (bytes %d)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
ue_p->Srb0.Tx_buffer.payload_size);
}
//-----------------------------------------------------------------------------
/*
* Generate a RCC Connection Reestablishment after requested
*/
void
rrc_eNB_generate_RRCConnectionReestablishment(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP,
const int CC_id)
//-----------------------------------------------------------------------------
{
int UE_id = -1;
LTE_LogicalChannelConfig_t *SRB1_logicalChannelConfig = NULL;
LTE_SRB_ToAddModList_t **SRB_configList;
LTE_SRB_ToAddMod_t *SRB1_config = NULL;
rrc_eNB_carrier_data_t *carrier = NULL;
eNB_RRC_UE_t *ue_context = NULL;
module_id_t module_id = ctxt_pP->module_id;
uint16_t rnti = ctxt_pP->rnti;
T(T_ENB_RRC_CONNECTION_REESTABLISHMENT,
T_INT(module_id),
T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe),
T_INT(rnti));
SRB_configList = &(ue_context_pP->ue_context.SRB_configList);
carrier = &(RC.rrc[ctxt_pP->module_id]->carrier[CC_id]);
ue_context = &(ue_context_pP->ue_context);
ue_context->Srb0.Tx_buffer.payload_size = do_RRCConnectionReestablishment(ctxt_pP,
ue_context_pP,
CC_id,
(uint8_t *) ue_context->Srb0.Tx_buffer.Payload,
(uint8_t) carrier->p_eNB, // at this point we do not have the UE capability information, so it can only be TM1 or TM2
rrc_eNB_get_next_transaction_identifier(module_id),
SRB_configList,
&(ue_context->physicalConfigDedicated));
LOG_DUMPMSG(RRC, DEBUG_RRC,
(char *)(ue_context->Srb0.Tx_buffer.Payload),
ue_context->Srb0.Tx_buffer.payload_size,
"[MSG] RRCConnectionReestablishment \n");
/* Configure SRB1 for UE */
if (*SRB_configList != NULL) {
for (int cnt = 0; cnt < (*SRB_configList)->list.count; cnt++) {
if ((*SRB_configList)->list.array[cnt]->srb_Identity == 1) {
SRB1_config = (*SRB_configList)->list.array[cnt];
if (SRB1_config->logicalChannelConfig) {
if (SRB1_config->logicalChannelConfig->present == LTE_SRB_ToAddMod__logicalChannelConfig_PR_explicitValue) {
SRB1_logicalChannelConfig = &(SRB1_config->logicalChannelConfig->choice.explicitValue);
} else {
SRB1_logicalChannelConfig = &(SRB1_logicalChannelConfig_defaultValue);
}
} else {
SRB1_logicalChannelConfig = &(SRB1_logicalChannelConfig_defaultValue);
}
LOG_D(RRC, PROTOCOL_RRC_CTXT_UE_FMT" RRC_eNB --- MAC_CONFIG_REQ (SRB1) ---> MAC_eNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
if (NODE_IS_MONOLITHIC(RC.rrc[ctxt_pP->module_id]->node_type)) {
rrc_mac_config_req_eNB(module_id,
ue_context->primaryCC_id,
0,
0,
0,
0,
0,
0,
rnti,
(LTE_BCCH_BCH_Message_t *) NULL,
(LTE_RadioResourceConfigCommonSIB_t *) NULL,
(LTE_RadioResourceConfigCommonSIB_t *) NULL,
(struct LTE_PhysicalConfigDedicated * ) ue_context->physicalConfigDedicated,
(LTE_SCellToAddMod_r10_t *)NULL,
(LTE_MeasObjectToAddMod_t **) NULL,
ue_context->mac_MainConfig,
1,
SRB1_logicalChannelConfig,
ue_context->measGapConfig,
(LTE_TDD_Config_t *) NULL,
NULL,
(LTE_SchedulingInfoList_t *) NULL,
0,
NULL,
NULL,
(LTE_MBSFN_SubframeConfigList_t *) NULL, 0,
(LTE_MBSFN_AreaInfoList_r9_t *) NULL,
(LTE_PMCH_InfoList_r9_t *) NULL,
(LTE_SystemInformationBlockType1_v1310_IEs_t *) NULL,
0,
(LTE_BCCH_DL_SCH_Message_MBMS_t *) NULL,
(LTE_SchedulingInfo_MBMS_r14_t *) NULL,
(struct LTE_NonMBSFN_SubframeConfig_r14 *) NULL,
(LTE_SystemInformationBlockType1_MBMS_r14_t *) NULL,
(LTE_MBSFN_AreaInfoList_r9_t *) NULL,
(LTE_MBSFNAreaConfiguration_r9_t *) NULL
);
break;
}
} // if ((*SRB_configList)->list.array[cnt]->srb_Identity == 1)
} // for (int cnt = 0; cnt < (*SRB_configList)->list.count; cnt++)
} // if (*SRB_configList != NULL)
MSC_LOG_TX_MESSAGE(MSC_RRC_ENB,
MSC_RRC_UE,
ue_context->Srb0.Tx_buffer.Header,
ue_context->Srb0.Tx_buffer.payload_size,
MSC_AS_TIME_FMT" LTE_RRCConnectionReestablishment UE %x size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context->rnti,
ue_context->Srb0.Tx_buffer.payload_size);
LOG_I(RRC, PROTOCOL_RRC_CTXT_UE_FMT" [RAPROC] Logical Channel DL-CCCH, Generating LTE_RRCConnectionReestablishment (bytes %d)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
ue_context->Srb0.Tx_buffer.payload_size);
UE_id = find_UE_id(module_id, rnti);
if (UE_id != -1) {
/* Activate reject timer, if RRCComplete not received after 10 frames, reject UE */
RC.mac[module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 1;
/* Reject UE after 10 frames, LTE_RRCConnectionReestablishmentReject is triggered */
RC.mac[module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer_thres = 100;
} else {
LOG_E(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Generating LTE_RRCConnectionReestablishment without UE_id(MAC) rnti %x\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
rnti);
}
}
//-----------------------------------------------------------------------------
void
rrc_eNB_process_RRCConnectionReestablishmentComplete(
const protocol_ctxt_t *const ctxt_pP,
const rnti_t reestablish_rnti,
rrc_eNB_ue_context_t *ue_context_pP,
const uint8_t xid,
LTE_RRCConnectionReestablishmentComplete_r8_IEs_t *LTE_RRCConnectionReestablishmentComplete
)
//-----------------------------------------------------------------------------
{
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" [RAPROC] Logical Channel UL-DCCH, processing LTE_RRCConnectionReestablishmentComplete from UE (SRB1 Active)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
T(T_ENB_RRC_CONNECTION_REESTABLISHMENT_COMPLETE, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
LTE_DRB_ToAddModList_t *DRB_configList = ue_context_pP->ue_context.DRB_configList;
LTE_SRB_ToAddModList_t *SRB_configList = ue_context_pP->ue_context.SRB_configList;
LTE_SRB_ToAddModList_t **SRB_configList2 = NULL;
LTE_DRB_ToAddModList_t **DRB_configList2 = NULL;
struct LTE_SRB_ToAddMod *SRB2_config = NULL;
struct LTE_DRB_ToAddMod *DRB_config = NULL;
int i = 0;
uint8_t buffer[RRC_BUF_SIZE];
uint16_t size;
LTE_MeasObjectToAddModList_t *MeasObj_list = NULL;
LTE_MeasObjectToAddMod_t *MeasObj = NULL;
LTE_ReportConfigToAddModList_t *ReportConfig_list = NULL;
LTE_ReportConfigToAddMod_t *ReportConfig_per, *ReportConfig_A1,
*ReportConfig_A2, *ReportConfig_A3, *ReportConfig_A4, *ReportConfig_A5;
LTE_MeasIdToAddModList_t *MeasId_list = NULL;
LTE_MeasIdToAddMod_t *MeasId0, *MeasId1, *MeasId2, *MeasId3, *MeasId4, *MeasId5;
LTE_RSRP_Range_t *rsrp = NULL;
struct LTE_MeasConfig__speedStatePars *Sparams = NULL;
LTE_QuantityConfig_t *quantityConfig = NULL;
LTE_CellsToAddMod_t *CellToAdd = NULL;
LTE_CellsToAddModList_t *CellsToAddModList = NULL;
struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *dedicatedInfoNASList = NULL;
LTE_DedicatedInfoNAS_t *dedicatedInfoNas = NULL;
/* for no gcc warnings */
(void)dedicatedInfoNas;
LTE_C_RNTI_t *cba_RNTI = NULL;
int measurements_enabled;
uint8_t next_xid = rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id);
int ret = 0;
ue_context_pP->ue_context.Status = RRC_CONNECTED;
ue_context_pP->ue_context.ue_rrc_inactivity_timer = 1; // set rrc inactivity when UE goes into RRC_CONNECTED
ue_context_pP->ue_context.reestablishment_xid = next_xid;
SRB_configList2 = &ue_context_pP->ue_context.SRB_configList2[xid];
// get old configuration of SRB2
if (*SRB_configList2 != NULL) {
if((*SRB_configList2)->list.count!=0) {
LOG_D(RRC, "SRB_configList2(%p) count is %d\n SRB_configList2->list.array[0] addr is %p",
SRB_configList2, (*SRB_configList2)->list.count, (*SRB_configList2)->list.array[0]);
}
for (i = 0; (i < (*SRB_configList2)->list.count) && (i < 3); i++) {
if ((*SRB_configList2)->list.array[i]->srb_Identity == 2 ) {
LOG_D(RRC, "get SRB2_config from (ue_context_pP->ue_context.SRB_configList2[%d])\n", xid);
SRB2_config = (*SRB_configList2)->list.array[i];
break;
}
}
}
SRB_configList2 = &(ue_context_pP->ue_context.SRB_configList2[next_xid]);
DRB_configList2 = &(ue_context_pP->ue_context.DRB_configList2[next_xid]);
if (*SRB_configList2) {
free(*SRB_configList2);
LOG_D(RRC, "free(ue_context_pP->ue_context.SRB_configList2[%d])\n", next_xid);
}
*SRB_configList2 = CALLOC(1, sizeof(**SRB_configList2));
if (SRB2_config != NULL) {
// Add SRB2 to SRB configuration list
ASN_SEQUENCE_ADD(&SRB_configList->list, SRB2_config);
ASN_SEQUENCE_ADD(&(*SRB_configList2)->list, SRB2_config);
LOG_D(RRC, "Add SRB2_config (srb_Identity:%ld) to ue_context_pP->ue_context.SRB_configList\n",
SRB2_config->srb_Identity);
LOG_D(RRC, "Add SRB2_config (srb_Identity:%ld) to ue_context_pP->ue_context.SRB_configList2[%d]\n",
SRB2_config->srb_Identity, next_xid);
} else {
// SRB configuration list only contains SRB1.
LOG_W(RRC,"SRB2 configuration does not exist in SRB configuration list\n");
}
if (*DRB_configList2) {
free(*DRB_configList2);
LOG_D(RRC, "free(ue_context_pP->ue_context.DRB_configList2[%d])\n", next_xid);
}
*DRB_configList2 = CALLOC(1, sizeof(**DRB_configList2));
if (DRB_configList != NULL) {
LOG_D(RRC, "get DRB_config from (ue_context_pP->ue_context.DRB_configList)\n");
for (i = 0; (i < DRB_configList->list.count) && (i < 3); i++) {
DRB_config = DRB_configList->list.array[i];
// Add DRB to DRB configuration list, for LTE_RRCConnectionReconfigurationComplete
ASN_SEQUENCE_ADD(&(*DRB_configList2)->list, DRB_config);
}
}
ue_context_pP->ue_context.Srb1.Active = 1;
//ue_context_pP->ue_context.Srb2.Srb_info.Srb_id = 2;
if (EPC_MODE_ENABLED) {
hashtable_rc_t h_rc;
int j;
rrc_ue_s1ap_ids_t *rrc_ue_s1ap_ids_p = NULL;
uint16_t ue_initial_id = ue_context_pP->ue_context.ue_initial_id;
uint32_t eNB_ue_s1ap_id = ue_context_pP->ue_context.eNB_ue_s1ap_id;
eNB_RRC_INST *rrc_instance_p = RC.rrc[ENB_INSTANCE_TO_MODULE_ID(ctxt_pP->instance)];
if (eNB_ue_s1ap_id > 0) {
h_rc = hashtable_get(rrc_instance_p->s1ap_id2_s1ap_ids, (hash_key_t)eNB_ue_s1ap_id, (void **)&rrc_ue_s1ap_ids_p);
if (h_rc == HASH_TABLE_OK) {
rrc_ue_s1ap_ids_p->ue_rnti = ctxt_pP->rnti;
}
}
if (ue_initial_id != 0) {
h_rc = hashtable_get(rrc_instance_p->initial_id2_s1ap_ids, (hash_key_t)ue_initial_id, (void **)&rrc_ue_s1ap_ids_p);
if (h_rc == HASH_TABLE_OK) {
rrc_ue_s1ap_ids_p->ue_rnti = ctxt_pP->rnti;
}
}
gtpv1u_enb_create_tunnel_req_t create_tunnel_req;
/* Save e RAB information for later */
memset(&create_tunnel_req, 0, sizeof(create_tunnel_req));
for ( j = 0, i = 0; i < NB_RB_MAX; i++) {
if (ue_context_pP->ue_context.e_rab[i].status == E_RAB_STATUS_ESTABLISHED || ue_context_pP->ue_context.e_rab[i].status == E_RAB_STATUS_DONE) {
create_tunnel_req.eps_bearer_id[j] = ue_context_pP->ue_context.e_rab[i].param.e_rab_id;
create_tunnel_req.sgw_S1u_teid[j] = ue_context_pP->ue_context.e_rab[i].param.gtp_teid;
memcpy(&create_tunnel_req.sgw_addr[j],
&ue_context_pP->ue_context.e_rab[i].param.sgw_addr,
sizeof(transport_layer_addr_t));
j++;
}
}
create_tunnel_req.rnti = ctxt_pP->rnti; // warning put zero above
create_tunnel_req.num_tunnels = j;
ret = gtpv1u_update_s1u_tunnel(
ctxt_pP->instance,
&create_tunnel_req,
reestablish_rnti);
if ( ret != 0 ) {
LOG_E(RRC,"gtpv1u_update_s1u_tunnel failed,start to release UE %x\n",reestablish_rnti);
// update s1u tunnel failed,reset rnti?
if (eNB_ue_s1ap_id > 0) {
h_rc = hashtable_get(rrc_instance_p->s1ap_id2_s1ap_ids, (hash_key_t)eNB_ue_s1ap_id, (void **)&rrc_ue_s1ap_ids_p);
if (h_rc == HASH_TABLE_OK ) {
rrc_ue_s1ap_ids_p->ue_rnti = reestablish_rnti;
}
}
if (ue_initial_id != 0) {
h_rc = hashtable_get(rrc_instance_p->initial_id2_s1ap_ids, (hash_key_t)ue_initial_id, (void **)&rrc_ue_s1ap_ids_p);
if (h_rc == HASH_TABLE_OK ) {
rrc_ue_s1ap_ids_p->ue_rnti = reestablish_rnti;
}
}
ue_context_pP->ue_context.ue_release_timer_s1 = 1;
ue_context_pP->ue_context.ue_release_timer_thres_s1 = 100;
ue_context_pP->ue_context.ue_release_timer = 0;
ue_context_pP->ue_context.ue_reestablishment_timer = 0;
ue_context_pP->ue_context.ul_failure_timer = 20000; // set ul_failure to 20000 for triggering rrc_eNB_send_S1AP_UE_CONTEXT_RELEASE_REQ
rrc_eNB_free_UE(ctxt_pP->module_id,ue_context_pP);
ue_context_pP->ue_context.ul_failure_timer = 0;
put_UE_in_freelist(ctxt_pP->module_id, ctxt_pP->rnti, 0);
return;
}
} /* EPC_MODE_ENABLED */
/* Update RNTI in ue_context */
ue_context_pP->ue_id_rnti = ctxt_pP->rnti; // here ue_id_rnti is just a key, may be something else
ue_context_pP->ue_context.rnti = ctxt_pP->rnti;
if (EPC_MODE_ENABLED) {
uint8_t send_security_mode_command = FALSE;
rrc_pdcp_config_security(
ctxt_pP,
ue_context_pP,
send_security_mode_command);
LOG_D(RRC, "set security successfully \n");
}
// Measurement ID list
MeasId_list = CALLOC(1, sizeof(*MeasId_list));
memset((void *)MeasId_list, 0, sizeof(*MeasId_list));
MeasId0 = CALLOC(1, sizeof(*MeasId0));
MeasId0->measId = 1;
MeasId0->measObjectId = 1;
MeasId0->reportConfigId = 1;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId0);
MeasId1 = CALLOC(1, sizeof(*MeasId1));
MeasId1->measId = 2;
MeasId1->measObjectId = 1;
MeasId1->reportConfigId = 2;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId1);
MeasId2 = CALLOC(1, sizeof(*MeasId2));
MeasId2->measId = 3;
MeasId2->measObjectId = 1;
MeasId2->reportConfigId = 3;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId2);
MeasId3 = CALLOC(1, sizeof(*MeasId3));
MeasId3->measId = 4;
MeasId3->measObjectId = 1;
MeasId3->reportConfigId = 4;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId3);
MeasId4 = CALLOC(1, sizeof(*MeasId4));
MeasId4->measId = 5;
MeasId4->measObjectId = 1;
MeasId4->reportConfigId = 5;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId4);
MeasId5 = CALLOC(1, sizeof(*MeasId5));
MeasId5->measId = 6;
MeasId5->measObjectId = 1;
MeasId5->reportConfigId = 6;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId5);
// LTE_RRCConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.measConfig->measIdToAddModList = MeasId_list;
// Add one EUTRA Measurement Object
MeasObj_list = CALLOC(1, sizeof(*MeasObj_list));
memset((void *)MeasObj_list, 0, sizeof(*MeasObj_list));
// Configure MeasObject
MeasObj = CALLOC(1, sizeof(*MeasObj));
memset((void *)MeasObj, 0, sizeof(*MeasObj));
MeasObj->measObjectId = 1;
MeasObj->measObject.present = LTE_MeasObjectToAddMod__measObject_PR_measObjectEUTRA;
MeasObj->measObject.choice.measObjectEUTRA.carrierFreq = 3350; //band 7, 2.68GHz
//MeasObj->measObject.choice.measObjectEUTRA.carrierFreq = 36090; //band 33, 1.909GHz
MeasObj->measObject.choice.measObjectEUTRA.allowedMeasBandwidth = LTE_AllowedMeasBandwidth_mbw25;
MeasObj->measObject.choice.measObjectEUTRA.presenceAntennaPort1 = 1;
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.buf = CALLOC(1, sizeof(uint8_t));
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.buf[0] = 0;
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.size = 1;
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.bits_unused = 6;
MeasObj->measObject.choice.measObjectEUTRA.offsetFreq = NULL; // Default is 15 or 0dB
MeasObj->measObject.choice.measObjectEUTRA.cellsToAddModList =
(LTE_CellsToAddModList_t *) CALLOC(1, sizeof(*CellsToAddModList));
CellsToAddModList = MeasObj->measObject.choice.measObjectEUTRA.cellsToAddModList;
// Add adjacent cell lists (6 per eNB)
for (i = 0; i < 6; i++) {
CellToAdd = (LTE_CellsToAddMod_t *) CALLOC(1, sizeof(*CellToAdd));
CellToAdd->cellIndex = i + 1;
CellToAdd->physCellId = get_adjacent_cell_id(ctxt_pP->module_id, i);
CellToAdd->cellIndividualOffset = LTE_Q_OffsetRange_dB0;
ASN_SEQUENCE_ADD(&CellsToAddModList->list, CellToAdd);
}
ASN_SEQUENCE_ADD(&MeasObj_list->list, MeasObj);
// LTE_RRCConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.measConfig->measObjectToAddModList = MeasObj_list;
// Report Configurations for periodical, A1-A5 events
ReportConfig_list = CALLOC(1, sizeof(*ReportConfig_list));
ReportConfig_per = CALLOC(1, sizeof(*ReportConfig_per));
ReportConfig_A1 = CALLOC(1, sizeof(*ReportConfig_A1));
ReportConfig_A2 = CALLOC(1, sizeof(*ReportConfig_A2));
ReportConfig_A3 = CALLOC(1, sizeof(*ReportConfig_A3));
ReportConfig_A4 = CALLOC(1, sizeof(*ReportConfig_A4));
ReportConfig_A5 = CALLOC(1, sizeof(*ReportConfig_A5));
ReportConfig_per->reportConfigId = 1;
ReportConfig_per->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_periodical;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.triggerType.choice.periodical.purpose =
LTE_ReportConfigEUTRA__triggerType__periodical__purpose_reportStrongestCells;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.triggerQuantity = LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_per);
ReportConfig_A1->reportConfigId = 2;
ReportConfig_A1->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA1;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA1.
a1_Threshold.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA1.
a1_Threshold.choice.threshold_RSRP = 10;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerQuantity = LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A1);
if (RC.rrc[ctxt_pP->module_id]->HO_flag == 1 /*HO_MEASUREMENT */ ) {
LOG_I(RRC, "[eNB %d] frame %d: requesting A2, A3, A4, A5, and A6 event reporting\n",
ctxt_pP->module_id, ctxt_pP->frame);
ReportConfig_A2->reportConfigId = 3;
ReportConfig_A2->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA2;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA2.a2_Threshold.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA2.a2_Threshold.choice.threshold_RSRP = 10;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A2);
ReportConfig_A3->reportConfigId = 4;
ReportConfig_A3->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA3;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA3.a3_Offset = 1; //10;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA3.reportOnLeave = 1;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.hysteresis = 0.5; // FIXME ...hysteresis is of type long!
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.timeToTrigger =
LTE_TimeToTrigger_ms40;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A3);
ReportConfig_A4->reportConfigId = 5;
ReportConfig_A4->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA4;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA4.a4_Threshold.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA4.a4_Threshold.choice.threshold_RSRP = 10;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A4);
ReportConfig_A5->reportConfigId = 6;
ReportConfig_A5->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA5;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold1.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold2.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold1.choice.threshold_RSRP = 10;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold2.choice.threshold_RSRP = 10;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A5);
// LTE_RRCConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.measConfig->reportConfigToAddModList = ReportConfig_list;
#if 0
/* TODO: set a proper value.
* 20 means: UE does not report if RSRP of serving cell is higher
* than -120 dB (see 36.331 5.5.3.1).
* This is too low for the X2 handover experiment.
*/
rsrp = CALLOC(1, sizeof(LTE_RSRP_Range_t));
*rsrp = 20;
#endif
Sparams = CALLOC(1, sizeof(*Sparams));
Sparams->present = LTE_MeasConfig__speedStatePars_PR_setup;
Sparams->choice.setup.timeToTrigger_SF.sf_High = LTE_SpeedStateScaleFactors__sf_Medium_oDot75;
Sparams->choice.setup.timeToTrigger_SF.sf_Medium = LTE_SpeedStateScaleFactors__sf_High_oDot5;
Sparams->choice.setup.mobilityStateParameters.n_CellChangeHigh = 10;
Sparams->choice.setup.mobilityStateParameters.n_CellChangeMedium = 5;
Sparams->choice.setup.mobilityStateParameters.t_Evaluation = LTE_MobilityStateParameters__t_Evaluation_s60;
Sparams->choice.setup.mobilityStateParameters.t_HystNormal = LTE_MobilityStateParameters__t_HystNormal_s120;
quantityConfig = CALLOC(1, sizeof(*quantityConfig));
memset((void *)quantityConfig, 0, sizeof(*quantityConfig));
quantityConfig->quantityConfigEUTRA = CALLOC(1, sizeof(struct LTE_QuantityConfigEUTRA));
memset((void *)quantityConfig->quantityConfigEUTRA, 0, sizeof(*quantityConfig->quantityConfigEUTRA));
quantityConfig->quantityConfigCDMA2000 = NULL;
quantityConfig->quantityConfigGERAN = NULL;
quantityConfig->quantityConfigUTRA = NULL;
quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP =
CALLOC(1, sizeof(*(quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP)));
quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ =
CALLOC(1, sizeof(*(quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ)));
*quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP = LTE_FilterCoefficient_fc4;
*quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ = LTE_FilterCoefficient_fc4;
LOG_I(RRC,
"[eNB %d] Frame %d: potential handover preparation: store the information in an intermediate structure in case of failure\n",
ctxt_pP->module_id, ctxt_pP->frame);
// store the information in an intermediate structure for Hanodver management
//rrc_inst->handover_info.as_config.sourceRadioResourceConfig.srb_ToAddModList = CALLOC(1,sizeof());
ue_context_pP->ue_context.handover_info = CALLOC(1, sizeof(*(ue_context_pP->ue_context.handover_info)));
//memcpy((void *)rrc_inst->handover_info[ue_mod_idP]->as_config.sourceRadioResourceConfig.srb_ToAddModList,(void *)SRB_list,sizeof(LTE_SRB_ToAddModList_t));
ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.srb_ToAddModList = *SRB_configList2;
//memcpy((void *)rrc_inst->handover_info[ue_mod_idP]->as_config.sourceRadioResourceConfig.drb_ToAddModList,(void *)DRB_list,sizeof(LTE_DRB_ToAddModList_t));
ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.drb_ToAddModList = DRB_configList;
ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.drb_ToReleaseList = NULL;
ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.mac_MainConfig =
CALLOC(1, sizeof(*ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.mac_MainConfig));
memcpy((void *)ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.mac_MainConfig,
(void *)ue_context_pP->ue_context.mac_MainConfig, sizeof(LTE_MAC_MainConfig_t));
ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.physicalConfigDedicated =
CALLOC(1, sizeof(LTE_PhysicalConfigDedicated_t));
memcpy((void *)ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.physicalConfigDedicated,
(void *)ue_context_pP->ue_context.physicalConfigDedicated, sizeof(LTE_PhysicalConfigDedicated_t));
ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.sps_Config = NULL;
//memcpy((void *)rrc_inst->handover_info[ue_mod_idP]->as_config.sourceRadioResourceConfig.sps_Config,(void *)rrc_inst->sps_Config[ue_mod_idP],sizeof(SPS_Config_t));
}
/* Initialize NAS list */
dedicatedInfoNASList = CALLOC(1, sizeof(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList));
/* Add all NAS PDUs to the list */
for (i = 0; i < ue_context_pP->ue_context.nb_of_e_rabs; i++) {
if (ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer != NULL) {
dedicatedInfoNas = CALLOC(1, sizeof(LTE_DedicatedInfoNAS_t));
memset(dedicatedInfoNas, 0, sizeof(OCTET_STRING_t));
OCTET_STRING_fromBuf(dedicatedInfoNas,
(char *)ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer,
ue_context_pP->ue_context.e_rab[i].param.nas_pdu.length);
LOG_D(RRC, "Add LTE_DedicatedInfoNAS(%d) to LTE_DedicatedInfoNASList\n", i);
ASN_SEQUENCE_ADD(&dedicatedInfoNASList->list, dedicatedInfoNas);
}
/* TODO parameters yet to process ... */
{
// ue_context_pP->ue_context.e_rab[i].param.qos;
// ue_context_pP->ue_context.e_rab[i].param.sgw_addr;
// ue_context_pP->ue_context.e_rab[i].param.gtp_teid;
}
/* TODO should test if e RAB are Ok before! */
ue_context_pP->ue_context.e_rab[i].status = E_RAB_STATUS_DONE;
ue_context_pP->ue_context.e_rab[i].xid = xid;
LOG_D(RRC, "setting the status for the default DRB (index %d) to (%d,%s)\n",
i, ue_context_pP->ue_context.e_rab[i].status, "E_RAB_STATUS_DONE");
}
/* If list is empty free the list and reset the address */
if (dedicatedInfoNASList->list.count == 0) {
free(dedicatedInfoNASList);
dedicatedInfoNASList = NULL;
}
measurements_enabled = RC.rrc[ENB_INSTANCE_TO_MODULE_ID(ctxt_pP->instance)]->configuration.enable_x2 ||
RC.rrc[ENB_INSTANCE_TO_MODULE_ID(ctxt_pP->instance)]->configuration.enable_measurement_reports;
// send LTE_RRCConnectionReconfiguration
memset(buffer, 0, RRC_BUF_SIZE);
size = do_RRCConnectionReconfiguration(ctxt_pP,
buffer,
next_xid, //Transaction_id,
(LTE_SRB_ToAddModList_t *)*SRB_configList2, // SRB_configList
(LTE_DRB_ToAddModList_t *)DRB_configList,
(LTE_DRB_ToReleaseList_t *)NULL, // DRB2_list,
(struct LTE_SPS_Config *)NULL, // maybe ue_context_pP->ue_context.sps_Config,
(struct LTE_PhysicalConfigDedicated *)ue_context_pP->ue_context.physicalConfigDedicated,
//#ifdef EXMIMO_IOT
// NULL, NULL, NULL,NULL,
//#else
measurements_enabled ? (LTE_MeasObjectToAddModList_t *)MeasObj_list : NULL, // MeasObj_list,
measurements_enabled ? (LTE_ReportConfigToAddModList_t *)ReportConfig_list : NULL, // ReportConfig_list,
measurements_enabled ? (LTE_QuantityConfig_t *)quantityConfig : NULL, //quantityConfig,
(LTE_MeasIdToAddModList_t *)NULL,
//#endif
(LTE_MAC_MainConfig_t *)ue_context_pP->ue_context.mac_MainConfig,
(LTE_MeasGapConfig_t *)NULL,
(LTE_MobilityControlInfo_t *)NULL,
(LTE_SecurityConfigHO_t *)NULL,
(struct LTE_MeasConfig__speedStatePars *)Sparams, // Sparams,
(LTE_RSRP_Range_t *)rsrp, // rsrp,
(LTE_C_RNTI_t *)cba_RNTI, // cba_RNTI
(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *)dedicatedInfoNASList, //dedicatedInfoNASList
(LTE_SL_CommConfig_r12_t *)NULL,
(LTE_SL_DiscConfig_r12_t *)NULL,
(LTE_SCellToAddMod_r10_t *)NULL
);
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)buffer,size,
"[MSG] RRC Connection Reconfiguration\n");
/* Free all NAS PDUs */
for (i = 0; i < ue_context_pP->ue_context.nb_of_e_rabs; i++) {
if (ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer != NULL) {
/* Free the NAS PDU buffer and invalidate it */
free(ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer);
ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer = NULL;
}
}
if(size==65535) {
LOG_E(RRC,"RRC decode err!!! do_RRCConnectionReconfiguration\n");
put_UE_in_freelist(ctxt_pP->module_id, reestablish_rnti, 0);
return;
} else {
LOG_I(RRC,
"[eNB %d] Frame %d, Logical Channel DL-DCCH, Generate LTE_RRCConnectionReconfiguration (bytes %d, UE id %x)\n",
ctxt_pP->module_id, ctxt_pP->frame, size, ue_context_pP->ue_context.rnti);
LOG_D(RRC,
"[FRAME %05d][RRC_eNB][MOD %u][][--- PDCP_DATA_REQ/%d Bytes (rrcConnectionReconfiguration to UE %x MUI %d) --->][PDCP][MOD %u][RB %u]\n",
ctxt_pP->frame, ctxt_pP->module_id, size, ue_context_pP->ue_context.rnti, rrc_eNB_mui, ctxt_pP->module_id, DCCH);
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
buffer,
size,
MSC_AS_TIME_FMT" LTE_RRCConnectionReconfiguration UE %x MUI %d size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
rrc_eNB_mui,
size);
rrc_data_req(
ctxt_pP,
DCCH,
rrc_eNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
}
// delete UE data of prior RNTI. UE use current RNTI.
// protocol_ctxt_t ctxt_prior = *ctxt_pP;
// ctxt_prior.rnti = reestablish_rnti;
//
// LTE_eNB_ULSCH_t *ulsch = NULL;
// nfapi_ul_config_request_body_t *ul_req_tmp = NULL;
// PHY_VARS_eNB *eNB_PHY = NULL;
// eNB_MAC_INST *eNB_MAC = RC.mac[ctxt_prior.module_id];
// for (int CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
// eNB_PHY = RC.eNB[ctxt_prior.module_id][CC_id];
// for (int i=0; i<MAX_MOBILES_PER_ENB; i++) {
// ulsch = eNB_PHY->ulsch[i];
// if((ulsch != NULL) && (ulsch->rnti == ctxt_prior.rnti)){
// void clean_eNb_ulsch(LTE_eNB_ULSCH_t *ulsch);
// LOG_I(RRC, "clean_eNb_ulsch UE %x \n", ctxt_prior.rnti);
// clean_eNb_ulsch(ulsch);
// break;
// }
// }
//
// for(int j = 0; j < 10; j++){
// ul_req_tmp = &eNB_MAC->UL_req_tmp[CC_id][j].ul_config_request_body;
// if(ul_req_tmp){
// int pdu_number = ul_req_tmp->number_of_pdus;
// for(int pdu_index = pdu_number-1; pdu_index >= 0; pdu_index--){
// if(ul_req_tmp->ul_config_pdu_list[pdu_index].ulsch_pdu.ulsch_pdu_rel8.rnti == ctxt_prior.rnti){
// LOG_I(RRC, "remove UE %x from ul_config_pdu_list %d/%d\n", ctxt_prior.rnti, pdu_index, pdu_number);
// if(pdu_index < pdu_number -1){
// memcpy(&ul_req_tmp->ul_config_pdu_list[pdu_index], &ul_req_tmp->ul_config_pdu_list[pdu_index+1], (pdu_number-1-pdu_index) * sizeof(nfapi_ul_config_request_pdu_t));
// }
// ul_req_tmp->number_of_pdus--;
// }
// }
// }
// }
// }
// rrc_mac_remove_ue(ctxt_prior.module_id, ctxt_prior.rnti);
// rrc_rlc_remove_ue(&ctxt_prior);
// pdcp_remove_UE(&ctxt_prior);
// add UE info to freeList for RU_thread to remove the UE instead of remove it here
LOG_I(RRC, "[RRCConnectionReestablishment]put UE %x into freeList\n", reestablish_rnti);
put_UE_in_freelist(ctxt_pP->module_id, reestablish_rnti, 0);
}
//-----------------------------------------------------------------------------
void
rrc_eNB_generate_RRCConnectionReestablishmentReject(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP,
const int CC_id
)
//-----------------------------------------------------------------------------
{
if (!NODE_IS_CU(RC.rrc[ctxt_pP->module_id]->node_type)) {
int UE_id = find_UE_id(ctxt_pP->module_id, ctxt_pP->rnti);
if(UE_id != -1) {
RC.mac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 1;
RC.mac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer_thres = 20;
} else {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" Generating LTE_RRCConnectionReestablishmentReject without UE_id(MAC) rnti %x\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ctxt_pP->rnti);
}
}
T(T_ENB_RRC_CONNECTION_REESTABLISHMENT_REJECT, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
eNB_RRC_UE_t *ue_p = &ue_context_pP->ue_context;
ue_p->Srb0.Tx_buffer.payload_size =
do_RRCConnectionReestablishmentReject(ctxt_pP->module_id,
(uint8_t *) ue_p->Srb0.Tx_buffer.Payload);
LOG_DUMPMSG(RRC,DEBUG_RRC,
(char *)(ue_p->Srb0.Tx_buffer.Payload),
ue_p->Srb0.Tx_buffer.payload_size,
"[MSG] RRCConnectionReestablishmentReject\n");
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
ue_p->Srb0.Tx_buffer.Header,
ue_p->Srb0.Tx_buffer.payload_size,
MSC_AS_TIME_FMT" LTE_RRCConnectionReestablishmentReject UE %x size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP == NULL ? -1 : ue_context_pP->ue_context.rnti,
ue_p->Srb0.Tx_buffer.payload_size);
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" [RAPROC] Logical Channel DL-CCCH, Generating LTE_RRCConnectionReestablishmentReject (bytes %d)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
ue_p->Srb0.Tx_buffer.payload_size);
}
#if 0
void rrc_generate_SgNBReleaseRequest(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP
)
//-----------------------------------------------------------------------------
{
MessageDef *msg;
msg = itti_alloc_new_message(TASK_RRC_ENB, 0, X2AP_ENDC_SGNB_RELEASE_REQ);
memset(&(X2AP_ENDC_SGNB_RELEASE_REQ(msg)), 0, sizeof(x2ap_ENDC_sgnb_release_req_t));
// X2AP_ENDC_SGNB_RELEASE_REQ(msg).MeNB_ue_x2_id = ;
// X2AP_ENDC_SGNB_RELEASE_REQ(msg).SgNB_ue_x2_id = ;
// X2AP_ENDC_SGNB_RELEASE_REQ(msg).cause = ;
// X2AP_ENDC_SGNB_RELEASE_REQ(msg).target_physCellId = ;
LOG_I(RRC,
"[eNB %d] frame %d UE rnti %x transmitting sgnb release request to sgnb \n",
ctxt_pP->module_id,ctxt_pP->frame,ctxt_pP->rnti);
itti_send_msg_to_task(TASK_X2AP, ENB_MODULE_ID_TO_INSTANCE(ctxt_pP->module_id), msg);
return;
}
#endif
//-----------------------------------------------------------------------------
/*
* Generate the RRC Connection Release to UE.
* If received, UE should switch to RRC_IDLE mode.
*/
void
rrc_eNB_generate_RRCConnectionRelease(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP
)
//-----------------------------------------------------------------------------
{
uint8_t buffer[RRC_BUF_SIZE];
uint16_t size = 0;
int release_num;
memset(buffer, 0, RRC_BUF_SIZE);
T(T_ENB_RRC_CONNECTION_RELEASE, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
#if 0
if(ue_context_pP != NULL) {
if(ue_context_pP->ue_context.Status == RRC_NR_NSA) {
//rrc_eNB_generate_SgNBReleaseRequest(ctxt_pP,ue_context_pP);
}
}
#endif
size = do_RRCConnectionRelease(ctxt_pP->module_id, buffer,rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id));
ue_context_pP->ue_context.ue_reestablishment_timer = 0;
ue_context_pP->ue_context.ue_release_timer = 0;
ue_context_pP->ue_context.ue_rrc_inactivity_timer = 0;
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" Logical Channel DL-DCCH, Generate RRCConnectionRelease (bytes %d)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
size);
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" --- PDCP_DATA_REQ/%d Bytes (rrcConnectionRelease MUI %d) --->[PDCP][RB %u]\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
size,
rrc_eNB_mui,
DCCH);
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
buffer,
size,
MSC_AS_TIME_FMT" LTE_RRCConnectionRelease UE %x MUI %d size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
rrc_eNB_mui,
size);
pthread_mutex_lock(&rrc_release_freelist);
for (release_num = 0; release_num < NUMBER_OF_UE_MAX; release_num++) {
if (rrc_release_info.RRC_release_ctrl[release_num].flag == 0) {
if (ue_context_pP->ue_context.ue_release_timer_s1 > 0) {
rrc_release_info.RRC_release_ctrl[release_num].flag = 1;
} else {
rrc_release_info.RRC_release_ctrl[release_num].flag = 2;
}
rrc_release_info.RRC_release_ctrl[release_num].rnti = ctxt_pP->rnti;
rrc_release_info.RRC_release_ctrl[release_num].rrc_eNB_mui = rrc_eNB_mui;
rrc_release_info.num_UEs++;
LOG_D(RRC, "Generate DLSCH Release send: index %d rnti %x mui %d flag %d \n",
release_num,
ctxt_pP->rnti,
rrc_eNB_mui,
rrc_release_info.RRC_release_ctrl[release_num].flag);
break;
}
}
/* TODO: what to do if RRC_release_ctrl is full? For now, exit. */
if (release_num == NUMBER_OF_UE_MAX) {
LOG_E(RRC, "fatal: rrc_release_info.RRC_release_ctrl is full\n");
exit(1);
}
pthread_mutex_unlock(&rrc_release_freelist);
if (NODE_IS_CU(RC.rrc[ctxt_pP->module_id]->node_type)) {
MessageDef *m = itti_alloc_new_message(TASK_RRC_ENB, 0, F1AP_UE_CONTEXT_RELEASE_CMD);
F1AP_UE_CONTEXT_RELEASE_CMD(m).rnti = ctxt_pP->rnti;
F1AP_UE_CONTEXT_RELEASE_CMD(m).cause = F1AP_CAUSE_RADIO_NETWORK;
F1AP_UE_CONTEXT_RELEASE_CMD(m).cause_value = 10; // 10 = F1AP_CauseRadioNetwork_normal_release
F1AP_UE_CONTEXT_RELEASE_CMD(m).rrc_container = buffer;
F1AP_UE_CONTEXT_RELEASE_CMD(m).rrc_container_length = size;
itti_send_msg_to_task(TASK_CU_F1, ctxt_pP->module_id, m);
} else {
rrc_data_req(ctxt_pP,
DCCH,
rrc_eNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
}
}
uint8_t qci_to_priority[9]= {2,4,3,5,1,6,7,8,9};
// TBD: this directive can be remived if we create a similar e_rab_param_t structure in RRC context
//-----------------------------------------------------------------------------
void
rrc_eNB_generate_dedicatedRRCConnectionReconfiguration(const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP,
const uint8_t ho_state
)
//-----------------------------------------------------------------------------
{
uint8_t buffer[RRC_BUF_SIZE];
uint16_t size;
int i;
struct LTE_DRB_ToAddMod *DRB_config = NULL;
struct LTE_RLC_Config *DRB_rlc_config = NULL;
struct LTE_PDCP_Config *DRB_pdcp_config = NULL;
struct LTE_PDCP_Config__rlc_AM *PDCP_rlc_AM = NULL;
struct LTE_PDCP_Config__rlc_UM *PDCP_rlc_UM = NULL;
struct LTE_LogicalChannelConfig *DRB_lchan_config = NULL;
struct LTE_LogicalChannelConfig__ul_SpecificParameters
*DRB_ul_SpecificParameters = NULL;
// LTE_DRB_ToAddModList_t** DRB_configList=&ue_context_pP->ue_context.DRB_configList;
LTE_DRB_ToAddModList_t *DRB_configList=ue_context_pP->ue_context.DRB_configList;
LTE_DRB_ToAddModList_t **DRB_configList2=NULL;
//DRB_ToAddModList_t** RRC_DRB_configList=&ue_context_pP->ue_context.DRB_configList;
struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *dedicatedInfoNASList = NULL;
LTE_DedicatedInfoNAS_t *dedicatedInfoNas = NULL;
/* for no gcc warnings */
(void)dedicatedInfoNas;
long *logicalchannelgroup_drb;
// int drb_identity_index=0;
uint8_t xid = rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id); //Transaction_id,
DRB_configList2=&ue_context_pP->ue_context.DRB_configList2[xid];
if (*DRB_configList2) {
free(*DRB_configList2);
}
//*DRB_configList = CALLOC(1, sizeof(*DRB_configList));
*DRB_configList2 = CALLOC(1, sizeof(**DRB_configList2));
/* Initialize NAS list */
dedicatedInfoNASList = CALLOC(1, sizeof(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList));
int e_rab_done=0;
for ( i = 0 ;
i < ue_context_pP->ue_context.setup_e_rabs ;
i++) {
if (e_rab_done >= ue_context_pP->ue_context.nb_of_e_rabs) {
break;
}
// bypass the new and already configured erabs
if (ue_context_pP->ue_context.e_rab[i].status >= E_RAB_STATUS_DONE) {
// drb_identity_index++;
continue;
}
DRB_config = CALLOC(1, sizeof(*DRB_config));
DRB_config->eps_BearerIdentity = CALLOC(1, sizeof(long));
// allowed value 5..15, value : x+4
*(DRB_config->eps_BearerIdentity) = ue_context_pP->ue_context.e_rab[i].param.e_rab_id;//+ 4; // especial case generation
// DRB_config->drb_Identity = 1 + drb_identity_index + e_rab_done;// + i ;// (LTE_DRB_Identity_t) ue_context_pP->ue_context.e_rab[i].param.e_rab_id;
// 1 + drb_identiy_index;
DRB_config->drb_Identity = i+1;
DRB_config->logicalChannelIdentity = CALLOC(1, sizeof(long));
*(DRB_config->logicalChannelIdentity) = DRB_config->drb_Identity + 2; //(long) (ue_context_pP->ue_context.e_rab[i].param.e_rab_id + 2); // value : x+2
DRB_rlc_config = CALLOC(1, sizeof(*DRB_rlc_config));
DRB_config->rlc_Config = DRB_rlc_config;
DRB_pdcp_config = CALLOC(1, sizeof(*DRB_pdcp_config));
DRB_config->pdcp_Config = DRB_pdcp_config;
DRB_pdcp_config->discardTimer = CALLOC(1, sizeof(long));
*DRB_pdcp_config->discardTimer = LTE_PDCP_Config__discardTimer_infinity;
DRB_pdcp_config->rlc_AM = NULL;
DRB_pdcp_config->rlc_UM = NULL;
switch (ue_context_pP->ue_context.e_rab[i].param.qos.qci) {
/*
* type: realtime data with medium packer error rate
* action: swtich to RLC UM
*/
case 1: // 100ms, 10^-2, p2, GBR
case 2: // 150ms, 10^-3, p4, GBR
case 3: // 50ms, 10^-3, p3, GBR
case 4: // 300ms, 10^-6, p5
case 7: // 100ms, 10^-3, p7, GBR
case 9: // 300ms, 10^-6, p9
case 65: // 75ms, 10^-2, p0.7, mission critical voice, GBR
case 66: // 100ms, 10^-2, p2, non-mission critical voice , GBR
// RLC
DRB_rlc_config->present = LTE_RLC_Config_PR_um_Bi_Directional;
DRB_rlc_config->choice.um_Bi_Directional.ul_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.t_Reordering = LTE_T_Reordering_ms35;
// PDCP
PDCP_rlc_UM = CALLOC(1, sizeof(*PDCP_rlc_UM));
DRB_pdcp_config->rlc_UM = PDCP_rlc_UM;
PDCP_rlc_UM->pdcp_SN_Size = LTE_PDCP_Config__rlc_UM__pdcp_SN_Size_len12bits;
break;
/*
* type: non-realtime data with low packer error rate
* action: swtich to RLC AM
*/
case 5: // 100ms, 10^-6, p1 , IMS signaling
case 6: // 300ms, 10^-6, p6
case 8: // 300ms, 10^-6, p8
case 69: // 60ms, 10^-6, p0.5, mission critical delay sensitive data, Lowest Priority
case 70: // 200ms, 10^-6, p5.5, mision critical data
// RLC
DRB_rlc_config->present = LTE_RLC_Config_PR_am;
DRB_rlc_config->choice.am.ul_AM_RLC.t_PollRetransmit = LTE_T_PollRetransmit_ms50;
DRB_rlc_config->choice.am.ul_AM_RLC.pollPDU = LTE_PollPDU_p16;
DRB_rlc_config->choice.am.ul_AM_RLC.pollByte = LTE_PollByte_kBinfinity;
DRB_rlc_config->choice.am.ul_AM_RLC.maxRetxThreshold = LTE_UL_AM_RLC__maxRetxThreshold_t8;
DRB_rlc_config->choice.am.dl_AM_RLC.t_Reordering = LTE_T_Reordering_ms35;
DRB_rlc_config->choice.am.dl_AM_RLC.t_StatusProhibit = LTE_T_StatusProhibit_ms25;
// PDCP
PDCP_rlc_AM = CALLOC(1, sizeof(*PDCP_rlc_AM));
DRB_pdcp_config->rlc_AM = PDCP_rlc_AM;
PDCP_rlc_AM->statusReportRequired = FALSE;
break;
default :
LOG_E(RRC,"not supported qci %d\n", ue_context_pP->ue_context.e_rab[i].param.qos.qci);
ue_context_pP->ue_context.e_rab[i].status = E_RAB_STATUS_FAILED;
ue_context_pP->ue_context.e_rab[i].xid = xid;
e_rab_done++;
free(DRB_pdcp_config->discardTimer);
free(DRB_pdcp_config);
free(DRB_rlc_config);
free(DRB_config->logicalChannelIdentity);
free(DRB_config->eps_BearerIdentity);
free(DRB_config);
continue;
}
DRB_pdcp_config->headerCompression.present = LTE_PDCP_Config__headerCompression_PR_notUsed;
DRB_lchan_config = CALLOC(1, sizeof(*DRB_lchan_config));
DRB_config->logicalChannelConfig = DRB_lchan_config;
DRB_ul_SpecificParameters = CALLOC(1, sizeof(*DRB_ul_SpecificParameters));
DRB_lchan_config->ul_SpecificParameters = DRB_ul_SpecificParameters;
if (ue_context_pP->ue_context.e_rab[i].param.qos.qci < 9 )
DRB_ul_SpecificParameters->priority = qci_to_priority[ue_context_pP->ue_context.e_rab[i].param.qos.qci-1] + 3;
// ue_context_pP->ue_context.e_rab[i].param.qos.allocation_retention_priority.priority_level;
else
DRB_ul_SpecificParameters->priority= 4;
DRB_ul_SpecificParameters->prioritisedBitRate = LTE_LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_kBps8;
//LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity;
DRB_ul_SpecificParameters->bucketSizeDuration =
LTE_LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50;
logicalchannelgroup_drb = CALLOC(1, sizeof(long));
*logicalchannelgroup_drb = 1;//(i+1) % 3;
DRB_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup_drb;
ASN_SEQUENCE_ADD(&DRB_configList->list, DRB_config);
ASN_SEQUENCE_ADD(&(*DRB_configList2)->list, DRB_config);
//ue_context_pP->ue_context.DRB_configList2[drb_identity_index] = &(*DRB_configList);
LOG_I(RRC,"EPS ID %ld, DRB ID %ld (index %d), QCI %d, priority %ld, LCID %ld LCGID %ld \n",
*DRB_config->eps_BearerIdentity,
DRB_config->drb_Identity, i,
ue_context_pP->ue_context.e_rab[i].param.qos.qci,
DRB_ul_SpecificParameters->priority,
*(DRB_config->logicalChannelIdentity),
*DRB_ul_SpecificParameters->logicalChannelGroup
);
e_rab_done++;
ue_context_pP->ue_context.e_rab[i].status = E_RAB_STATUS_DONE;
ue_context_pP->ue_context.e_rab[i].xid = xid;
{
if (ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer != NULL) {
dedicatedInfoNas = CALLOC(1, sizeof(LTE_DedicatedInfoNAS_t));
memset(dedicatedInfoNas, 0, sizeof(OCTET_STRING_t));
OCTET_STRING_fromBuf(dedicatedInfoNas,
(char *)ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer,
ue_context_pP->ue_context.e_rab[i].param.nas_pdu.length);
ASN_SEQUENCE_ADD(&dedicatedInfoNASList->list, dedicatedInfoNas);
LOG_I(RRC,"add NAS info with size %d (rab id %d)\n",ue_context_pP->ue_context.e_rab[i].param.nas_pdu.length, i);
} else {
LOG_W(RRC,"Not received activate dedicated EPS bearer context request\n");
}
/* TODO parameters yet to process ... */
{
// ue_context_pP->ue_context.e_rab[i].param.qos;
// ue_context_pP->ue_context.e_rab[i].param.sgw_addr;
// ue_context_pP->ue_context.e_rab[i].param.gtp_teid;
}
}
}
/* If list is empty free the list and reset the address */
if (dedicatedInfoNASList != NULL) {
if (dedicatedInfoNASList->list.count == 0) {
free(dedicatedInfoNASList);
dedicatedInfoNASList = NULL;
LOG_W(RRC,"dedlicated NAS list is empty, free the list and reset the address\n");
}
} else {
LOG_W(RRC,"dedlicated NAS list is empty\n");
}
memset(buffer, 0, RRC_BUF_SIZE);
size = do_RRCConnectionReconfiguration(ctxt_pP,
buffer,
xid,
(LTE_SRB_ToAddModList_t *)NULL,
(LTE_DRB_ToAddModList_t *)*DRB_configList2,
(LTE_DRB_ToReleaseList_t *)NULL, // DRB2_list,
(struct LTE_SPS_Config *)NULL, // *sps_Config,
NULL, NULL, NULL, NULL,NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL,
(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *)dedicatedInfoNASList,
(LTE_SL_CommConfig_r12_t *)NULL,
(LTE_SL_DiscConfig_r12_t *)NULL,
(LTE_SCellToAddMod_r10_t *)NULL
);
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)buffer,size,"[MSG] RRC Connection Reconfiguration\n");
/* Free all NAS PDUs */
for (i = 0; i < ue_context_pP->ue_context.nb_of_e_rabs; i++) {
if (ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer != NULL) {
/* Free the NAS PDU buffer and invalidate it */
free(ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer);
ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer = NULL;
}
}
LOG_I(RRC,
"[eNB %d] Frame %d, Logical Channel DL-DCCH, Generate LTE_RRCConnectionReconfiguration (bytes %d, UE RNTI %x)\n",
ctxt_pP->module_id, ctxt_pP->frame, size, ue_context_pP->ue_context.rnti);
LOG_D(RRC,
"[FRAME %05d][RRC_eNB][MOD %u][][--- PDCP_DATA_REQ/%d Bytes (rrcConnectionReconfiguration to UE %x MUI %d) --->][PDCP][MOD %u][RB %u]\n",
ctxt_pP->frame, ctxt_pP->module_id, size, ue_context_pP->ue_context.rnti, rrc_eNB_mui, ctxt_pP->module_id, DCCH);
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
buffer,
size,
MSC_AS_TIME_FMT" dedicated LTE_RRCConnectionReconfiguration UE %x MUI %d size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
rrc_eNB_mui,
size);
rrc_data_req(
ctxt_pP,
DCCH,
rrc_eNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
}
int
rrc_eNB_modify_dedicatedRRCConnectionReconfiguration(const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP,
const uint8_t ho_state
)
//-----------------------------------------------------------------------------
{
uint8_t buffer[RRC_BUF_SIZE];
uint16_t size;
int i, j;
struct LTE_DRB_ToAddMod *DRB_config = NULL;
struct LTE_RLC_Config *DRB_rlc_config = NULL;
struct LTE_PDCP_Config *DRB_pdcp_config = NULL;
struct LTE_PDCP_Config__rlc_AM *PDCP_rlc_AM = NULL;
struct LTE_PDCP_Config__rlc_UM *PDCP_rlc_UM = NULL;
struct LTE_LogicalChannelConfig *DRB_lchan_config = NULL;
struct LTE_LogicalChannelConfig__ul_SpecificParameters
*DRB_ul_SpecificParameters = NULL;
LTE_DRB_ToAddModList_t *DRB_configList = ue_context_pP->ue_context.DRB_configList;
LTE_DRB_ToAddModList_t *DRB_configList2 = NULL;
struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *dedicatedInfoNASList = NULL;
LTE_DedicatedInfoNAS_t *dedicatedInfoNas = NULL;
/* for no gcc warnings */
(void)dedicatedInfoNas;
uint8_t xid = rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id); // Transaction_id,
DRB_configList2 = CALLOC(1, sizeof(*DRB_configList2));
/* Initialize NAS list */
dedicatedInfoNASList = CALLOC(1, sizeof(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList));
for (i = 0; i < ue_context_pP->ue_context.nb_of_modify_e_rabs; i++) {
// bypass the new and already configured erabs
if (ue_context_pP->ue_context.modify_e_rab[i].status >= E_RAB_STATUS_DONE) {
ue_context_pP->ue_context.modify_e_rab[i].xid = xid;
continue;
}
if (ue_context_pP->ue_context.modify_e_rab[i].cause != S1AP_CAUSE_NOTHING) {
// set xid of failure RAB
ue_context_pP->ue_context.modify_e_rab[i].xid = xid;
ue_context_pP->ue_context.modify_e_rab[i].status = E_RAB_STATUS_FAILED;
continue;
}
DRB_config = NULL;
// search exist DRB_config
for (j = 0; j < DRB_configList->list.count; j++) {
if((uint8_t)*(DRB_configList->list.array[j]->eps_BearerIdentity) == ue_context_pP->ue_context.modify_e_rab[i].param.e_rab_id) {
DRB_config = DRB_configList->list.array[j];
break;
}
}
if (NULL == DRB_config) {
ue_context_pP->ue_context.modify_e_rab[i].xid = xid;
ue_context_pP->ue_context.modify_e_rab[i].status = E_RAB_STATUS_FAILED;
// TODO use which cause
ue_context_pP->ue_context.modify_e_rab[i].cause = S1AP_CAUSE_RADIO_NETWORK;
ue_context_pP->ue_context.modify_e_rab[i].cause_value = 0;//S1ap_CauseRadioNetwork_unspecified;
ue_context_pP->ue_context.nb_of_failed_e_rabs++;
continue;
}
DRB_rlc_config = DRB_config->rlc_Config;
DRB_pdcp_config = DRB_config->pdcp_Config;
*DRB_pdcp_config->discardTimer = LTE_PDCP_Config__discardTimer_infinity;
switch (ue_context_pP->ue_context.modify_e_rab[i].param.qos.qci) {
/*
* type: realtime data with medium packer error rate
* action: swtich to RLC UM
*/
case 1: // 100ms, 10^-2, p2, GBR
case 2: // 150ms, 10^-3, p4, GBR
case 3: // 50ms, 10^-3, p3, GBR
case 4: // 300ms, 10^-6, p5
case 7: // 100ms, 10^-3, p7, GBR
case 9: // 300ms, 10^-6, p9
case 65: // 75ms, 10^-2, p0.7, mission critical voice, GBR
case 66: // 100ms, 10^-2, p2, non-mission critical voice , GBR
// RLC
DRB_rlc_config->present = LTE_RLC_Config_PR_um_Bi_Directional;
DRB_rlc_config->choice.um_Bi_Directional.ul_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.t_Reordering = LTE_T_Reordering_ms35;
// PDCP
if (DRB_pdcp_config->rlc_AM) {
free(DRB_pdcp_config->rlc_AM);
DRB_pdcp_config->rlc_AM = NULL;
}
if (DRB_pdcp_config->rlc_UM) {
free(DRB_pdcp_config->rlc_UM);
DRB_pdcp_config->rlc_UM = NULL;
}
PDCP_rlc_UM = CALLOC(1, sizeof(*PDCP_rlc_UM));
DRB_pdcp_config->rlc_UM = PDCP_rlc_UM;
PDCP_rlc_UM->pdcp_SN_Size = LTE_PDCP_Config__rlc_UM__pdcp_SN_Size_len12bits;
break;
/*
* type: non-realtime data with low packer error rate
* action: swtich to RLC AM
*/
case 5: // 100ms, 10^-6, p1 , IMS signaling
case 6: // 300ms, 10^-6, p6
case 8: // 300ms, 10^-6, p8
case 69: // 60ms, 10^-6, p0.5, mission critical delay sensitive data, Lowest Priority
case 70: // 200ms, 10^-6, p5.5, mision critical data
// RLC
DRB_rlc_config->present = LTE_RLC_Config_PR_am;
DRB_rlc_config->choice.am.ul_AM_RLC.t_PollRetransmit = LTE_T_PollRetransmit_ms50;
DRB_rlc_config->choice.am.ul_AM_RLC.pollPDU = LTE_PollPDU_p16;
DRB_rlc_config->choice.am.ul_AM_RLC.pollByte = LTE_PollByte_kBinfinity;
DRB_rlc_config->choice.am.ul_AM_RLC.maxRetxThreshold = LTE_UL_AM_RLC__maxRetxThreshold_t8;
DRB_rlc_config->choice.am.dl_AM_RLC.t_Reordering = LTE_T_Reordering_ms35;
DRB_rlc_config->choice.am.dl_AM_RLC.t_StatusProhibit = LTE_T_StatusProhibit_ms25;
// PDCP
if (DRB_pdcp_config->rlc_AM) {
free(DRB_pdcp_config->rlc_AM);
DRB_pdcp_config->rlc_AM = NULL;
}
if (DRB_pdcp_config->rlc_UM) {
free(DRB_pdcp_config->rlc_UM);
DRB_pdcp_config->rlc_UM = NULL;
}
PDCP_rlc_AM = CALLOC(1, sizeof(*PDCP_rlc_AM));
DRB_pdcp_config->rlc_AM = PDCP_rlc_AM;
PDCP_rlc_AM->statusReportRequired = FALSE;
break;
default :
LOG_E(RRC, "not supported qci %d\n", ue_context_pP->ue_context.modify_e_rab[i].param.qos.qci);
ue_context_pP->ue_context.modify_e_rab[i].status = E_RAB_STATUS_FAILED;
ue_context_pP->ue_context.modify_e_rab[i].xid = xid;
ue_context_pP->ue_context.modify_e_rab[i].cause = S1AP_CAUSE_RADIO_NETWORK;
ue_context_pP->ue_context.modify_e_rab[i].cause_value = 37;//S1ap_CauseRadioNetwork_not_supported_QCI_value;
ue_context_pP->ue_context.nb_of_failed_e_rabs++;
continue;
}
DRB_pdcp_config->headerCompression.present = LTE_PDCP_Config__headerCompression_PR_notUsed;
DRB_lchan_config = DRB_config->logicalChannelConfig;
DRB_ul_SpecificParameters = DRB_lchan_config->ul_SpecificParameters;
if (ue_context_pP->ue_context.modify_e_rab[i].param.qos.qci < 9 )
DRB_ul_SpecificParameters->priority = qci_to_priority[ue_context_pP->ue_context.modify_e_rab[i].param.qos.qci-1] + 3;
else
DRB_ul_SpecificParameters->priority= 4;
DRB_ul_SpecificParameters->prioritisedBitRate = LTE_LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_kBps8;
DRB_ul_SpecificParameters->bucketSizeDuration =
LTE_LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50;
ASN_SEQUENCE_ADD(&(DRB_configList2)->list, DRB_config);
LOG_I(RRC, "EPS ID %ld, DRB ID %ld (index %d), QCI %d, priority %ld, LCID %ld LCGID %ld \n",
*DRB_config->eps_BearerIdentity,
DRB_config->drb_Identity, i,
ue_context_pP->ue_context.modify_e_rab[i].param.qos.qci,
DRB_ul_SpecificParameters->priority,
*(DRB_config->logicalChannelIdentity),
*DRB_ul_SpecificParameters->logicalChannelGroup
);
//e_rab_done++;
ue_context_pP->ue_context.modify_e_rab[i].status = E_RAB_STATUS_DONE;
ue_context_pP->ue_context.modify_e_rab[i].xid = xid;
{
if (ue_context_pP->ue_context.modify_e_rab[i].param.nas_pdu.buffer != NULL) {
dedicatedInfoNas = CALLOC(1, sizeof(LTE_DedicatedInfoNAS_t));
memset(dedicatedInfoNas, 0, sizeof(OCTET_STRING_t));
OCTET_STRING_fromBuf(dedicatedInfoNas,
(char *)ue_context_pP->ue_context.modify_e_rab[i].param.nas_pdu.buffer,
ue_context_pP->ue_context.modify_e_rab[i].param.nas_pdu.length);
ASN_SEQUENCE_ADD(&dedicatedInfoNASList->list, dedicatedInfoNas);
LOG_I(RRC, "add NAS info with size %d (rab id %d)\n",ue_context_pP->ue_context.modify_e_rab[i].param.nas_pdu.length, i);
} else {
LOG_W(RRC, "Not received activate dedicated EPS bearer context request\n");
}
}
}
/* If list is empty free the list and reset the address */
if (dedicatedInfoNASList != NULL) {
if (dedicatedInfoNASList->list.count == 0) {
free(dedicatedInfoNASList);
dedicatedInfoNASList = NULL;
LOG_W(RRC,"dedlicated NAS list is empty, free the list and reset the address\n");
}
} else {
LOG_W(RRC,"dedlicated NAS list is empty\n");
}
memset(buffer, 0, RRC_BUF_SIZE);
size = do_RRCConnectionReconfiguration(ctxt_pP,
buffer,
xid,
(LTE_SRB_ToAddModList_t *)NULL,
(LTE_DRB_ToAddModList_t *)DRB_configList2,
(LTE_DRB_ToReleaseList_t *)NULL, // DRB2_list,
(struct LTE_SPS_Config *)NULL, // *sps_Config,
NULL, NULL, NULL, NULL,NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL,
(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *)dedicatedInfoNASList,
(LTE_SL_CommConfig_r12_t *)NULL,
(LTE_SL_DiscConfig_r12_t *)NULL,
(LTE_SCellToAddMod_r10_t *)NULL
);
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)buffer,size,
"[MSG] RRC Connection Reconfiguration\n");
/* Free all NAS PDUs */
for (i = 0; i < ue_context_pP->ue_context.nb_of_modify_e_rabs; i++) {
if (ue_context_pP->ue_context.modify_e_rab[i].param.nas_pdu.buffer != NULL) {
/* Free the NAS PDU buffer and invalidate it */
free(ue_context_pP->ue_context.modify_e_rab[i].param.nas_pdu.buffer);
ue_context_pP->ue_context.modify_e_rab[i].param.nas_pdu.buffer = NULL;
}
}
LOG_I(RRC,
"[eNB %d] Frame %d, Logical Channel DL-DCCH, Generate LTE_RRCConnectionReconfiguration (bytes %d, UE RNTI %x)\n",
ctxt_pP->module_id, ctxt_pP->frame, size, ue_context_pP->ue_context.rnti);
LOG_D(RRC,
"[FRAME %05d][RRC_eNB][MOD %u][][--- PDCP_DATA_REQ/%d Bytes (rrcConnectionReconfiguration to UE %x MUI %d) --->][PDCP][MOD %u][RB %u]\n",
ctxt_pP->frame, ctxt_pP->module_id, size, ue_context_pP->ue_context.rnti, rrc_eNB_mui, ctxt_pP->module_id, DCCH);
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
buffer,
size,
MSC_AS_TIME_FMT" dedicated LTE_RRCConnectionReconfiguration UE %x MUI %d size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
rrc_eNB_mui,
size);
rrc_data_req(
ctxt_pP,
DCCH,
rrc_eNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
return 0;
}
//-----------------------------------------------------------------------------
void
rrc_eNB_generate_dedicatedRRCConnectionReconfiguration_release( const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP,
uint8_t xid,
uint32_t nas_length,
uint8_t *nas_buffer)
//-----------------------------------------------------------------------------
{
uint8_t buffer[RRC_BUF_SIZE];
int i;
uint16_t size = 0;
LTE_DRB_ToReleaseList_t **DRB_Release_configList2=NULL;
LTE_DRB_Identity_t *DRB_release;
struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *dedicatedInfoNASList = NULL;
DRB_Release_configList2=&ue_context_pP->ue_context.DRB_Release_configList2[xid];
if (*DRB_Release_configList2) {
free(*DRB_Release_configList2);
}
*DRB_Release_configList2 = CALLOC(1, sizeof(**DRB_Release_configList2));
for(i = 0; i < NB_RB_MAX; i++) {
if((ue_context_pP->ue_context.e_rab[i].status == E_RAB_STATUS_TORELEASE) && ue_context_pP->ue_context.e_rab[i].xid == xid) {
DRB_release = CALLOC(1, sizeof(LTE_DRB_Identity_t));
*DRB_release = i+1;
ASN_SEQUENCE_ADD(&(*DRB_Release_configList2)->list, DRB_release);
//free(DRB_release);
}
}
/* If list is empty free the list and reset the address */
if (nas_length > 0) {
LTE_DedicatedInfoNAS_t *dedicatedInfoNas = NULL;
dedicatedInfoNASList = CALLOC(1, sizeof(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList));
dedicatedInfoNas = CALLOC(1, sizeof(LTE_DedicatedInfoNAS_t));
memset(dedicatedInfoNas, 0, sizeof(OCTET_STRING_t));
OCTET_STRING_fromBuf(dedicatedInfoNas,
(char *)nas_buffer,
nas_length);
ASN_SEQUENCE_ADD(&dedicatedInfoNASList->list, dedicatedInfoNas);
LOG_I(RRC,"add NAS info with size %d\n",nas_length);
} else {
LOG_W(RRC,"dedlicated NAS list is empty\n");
}
memset(buffer, 0, RRC_BUF_SIZE);
size = do_RRCConnectionReconfiguration(ctxt_pP,
buffer,
xid,
NULL,
NULL,
(LTE_DRB_ToReleaseList_t *)*DRB_Release_configList2,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *)dedicatedInfoNASList,
(LTE_SL_CommConfig_r12_t *)NULL,
(LTE_SL_DiscConfig_r12_t *)NULL,
(LTE_SCellToAddMod_r10_t *)NULL
);
ue_context_pP->ue_context.e_rab_release_command_flag = 1;
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)buffer,size,
"[MSG] RRC Connection Reconfiguration\n");
/* Free all NAS PDUs */
if (nas_length > 0) {
/* Free the NAS PDU buffer and invalidate it */
free(nas_buffer);
}
LOG_I(RRC,
"[eNB %d] Frame %d, Logical Channel DL-DCCH, Generate LTE_RRCConnectionReconfiguration (bytes %d, UE RNTI %x)\n",
ctxt_pP->module_id, ctxt_pP->frame, size, ue_context_pP->ue_context.rnti);
LOG_D(RRC,
"[FRAME %05d][RRC_eNB][MOD %u][][--- PDCP_DATA_REQ/%d Bytes (rrcConnectionReconfiguration to UE %x MUI %d) --->][PDCP][MOD %u][RB %u]\n",
ctxt_pP->frame, ctxt_pP->module_id, size, ue_context_pP->ue_context.rnti, rrc_eNB_mui, ctxt_pP->module_id, DCCH);
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
buffer,
size,
MSC_AS_TIME_FMT" dedicated LTE_RRCConnectionReconfiguration UE %x MUI %d size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
rrc_eNB_mui,
size);
rrc_data_req(
ctxt_pP,
DCCH,
rrc_eNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
}
//-----------------------------------------------------------------------------
/*
* Generate the basic (first) RRC Connection Reconfiguration (non BR UE)
*/
void rrc_eNB_generate_defaultRRCConnectionReconfiguration(const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP,
const uint8_t ho_state)
//-----------------------------------------------------------------------------
{
uint8_t buffer[RRC_BUF_SIZE];
uint16_t size;
int i;
MessageDef *message_p = NULL;
/* Configure SRB1/SRB2, PhysicalConfigDedicated, LTE_MAC_MainConfig for UE */
eNB_RRC_INST *rrc_inst = RC.rrc[ctxt_pP->module_id];
struct LTE_PhysicalConfigDedicated **physicalConfigDedicated = &ue_context_pP->ue_context.physicalConfigDedicated;
struct LTE_SRB_ToAddMod *SRB2_config = NULL;
struct LTE_SRB_ToAddMod__rlc_Config *SRB2_rlc_config = NULL;
struct LTE_SRB_ToAddMod__logicalChannelConfig *SRB2_lchan_config = NULL;
struct LTE_LogicalChannelConfig__ul_SpecificParameters
*SRB2_ul_SpecificParameters = NULL;
LTE_SRB_ToAddModList_t *SRB_configList = ue_context_pP->ue_context.SRB_configList;
LTE_SRB_ToAddModList_t **SRB_configList2 = NULL;
struct LTE_DRB_ToAddMod *DRB_config = NULL;
struct LTE_RLC_Config *DRB_rlc_config = NULL;
struct LTE_PDCP_Config *DRB_pdcp_config = NULL;
struct LTE_PDCP_Config__rlc_AM *PDCP_rlc_AM = NULL;
struct LTE_PDCP_Config__rlc_UM *PDCP_rlc_UM = NULL;
struct LTE_LogicalChannelConfig *DRB_lchan_config = NULL;
struct LTE_LogicalChannelConfig__ul_SpecificParameters
*DRB_ul_SpecificParameters = NULL;
LTE_DRB_ToAddModList_t **DRB_configList = &ue_context_pP->ue_context.DRB_configList;
LTE_DRB_ToAddModList_t **DRB_configList2 = NULL;
LTE_MAC_MainConfig_t *mac_MainConfig = NULL;
LTE_MeasObjectToAddModList_t *MeasObj_list = NULL;
LTE_MeasObjectToAddMod_t *MeasObj = NULL;
LTE_MeasObjectToAddMod_t *MeasObj2 = NULL;
LTE_ReportConfigToAddModList_t *ReportConfig_list = NULL;
LTE_ReportConfigToAddMod_t *ReportConfig_per, *ReportConfig_A1,
*ReportConfig_A2, *ReportConfig_A3, *ReportConfig_A4, *ReportConfig_A5;
LTE_ReportConfigToAddMod_t *ReportConfig_NR = NULL;
LTE_MeasIdToAddModList_t *MeasId_list = NULL;
LTE_MeasIdToAddMod_t *MeasId0, *MeasId1, *MeasId2, *MeasId3, *MeasId4, *MeasId5;
LTE_MeasIdToAddMod_t *MeasId6;
long *sr_ProhibitTimer_r9 = NULL;
long *logicalchannelgroup = NULL;
long *logicalchannelgroup_drb = NULL;
long *maxHARQ_Tx = NULL;
long *periodicBSR_Timer = NULL;
LTE_RSRP_Range_t *rsrp = NULL;
struct LTE_MeasConfig__speedStatePars *Sparams = NULL;
LTE_QuantityConfig_t *quantityConfig = NULL;
LTE_CellsToAddMod_t *CellToAdd = NULL;
LTE_CellsToAddModList_t *CellsToAddModList = NULL;
struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *dedicatedInfoNASList = NULL;
LTE_DedicatedInfoNAS_t *dedicatedInfoNas = NULL;
/* For no gcc warnings */
(void) dedicatedInfoNas;
LTE_C_RNTI_t *cba_RNTI = NULL;
int measurements_enabled;
uint8_t xid = rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id); //Transaction_id,
uint8_t cc_id = ue_context_pP->ue_context.primaryCC_id;
LTE_UE_EUTRA_Capability_t *UEcap = ue_context_pP->ue_context.UE_Capability;
T(T_ENB_RRC_CONNECTION_RECONFIGURATION,
T_INT(ctxt_pP->module_id),
T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe),
T_INT(ctxt_pP->rnti));
/* Configure SRB2 */
SRB_configList2 = &(ue_context_pP->ue_context.SRB_configList2[xid]);
if (*SRB_configList2) {
free(*SRB_configList2);
}
*SRB_configList2 = CALLOC(1, sizeof(**SRB_configList2));
memset(*SRB_configList2, 0, sizeof(**SRB_configList2));
SRB2_config = CALLOC(1, sizeof(*SRB2_config));
SRB2_config->srb_Identity = 2;
SRB2_rlc_config = CALLOC(1, sizeof(*SRB2_rlc_config));
SRB2_config->rlc_Config = SRB2_rlc_config;
SRB2_rlc_config->present = LTE_SRB_ToAddMod__rlc_Config_PR_explicitValue;
SRB2_rlc_config->choice.explicitValue.present = LTE_RLC_Config_PR_am;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.t_PollRetransmit = LTE_T_PollRetransmit_ms15;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.pollPDU = LTE_PollPDU_p8;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.pollByte = LTE_PollByte_kB1000;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.maxRetxThreshold = LTE_UL_AM_RLC__maxRetxThreshold_t32;
SRB2_rlc_config->choice.explicitValue.choice.am.dl_AM_RLC.t_Reordering = LTE_T_Reordering_ms35;
SRB2_rlc_config->choice.explicitValue.choice.am.dl_AM_RLC.t_StatusProhibit = LTE_T_StatusProhibit_ms10;
SRB2_lchan_config = CALLOC(1, sizeof(*SRB2_lchan_config));
SRB2_config->logicalChannelConfig = SRB2_lchan_config;
SRB2_lchan_config->present = LTE_SRB_ToAddMod__logicalChannelConfig_PR_explicitValue;
SRB2_ul_SpecificParameters = CALLOC(1, sizeof(*SRB2_ul_SpecificParameters));
SRB2_ul_SpecificParameters->priority = 3; // let some priority for SRB1 and dedicated DRBs
SRB2_ul_SpecificParameters->prioritisedBitRate = LTE_LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity;
SRB2_ul_SpecificParameters->bucketSizeDuration = LTE_LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50;
/* LCG for CCCH and DCCH is 0 as defined in 36331 */
logicalchannelgroup = CALLOC(1, sizeof(long));
*logicalchannelgroup = 0;
SRB2_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup;
SRB2_lchan_config->choice.explicitValue.ul_SpecificParameters = SRB2_ul_SpecificParameters;
ASN_SEQUENCE_ADD(&SRB_configList->list, SRB2_config); // this list has the configuration for SRB1 and SRB2
ASN_SEQUENCE_ADD(&(*SRB_configList2)->list, SRB2_config); // this list has only the configuration for SRB2
/* Configure DRB */
// list for all the configured DRB
if (*DRB_configList) {
free(*DRB_configList);
}
*DRB_configList = CALLOC(1, sizeof(**DRB_configList));
memset(*DRB_configList, 0, sizeof(**DRB_configList));
DRB_configList2=&ue_context_pP->ue_context.DRB_configList2[xid]; // list for the configured DRB for a this xid
if (*DRB_configList2) {
free(*DRB_configList2);
}
*DRB_configList2 = CALLOC(1, sizeof(**DRB_configList2));
memset(*DRB_configList2, 0, sizeof(**DRB_configList2));
DRB_config = CALLOC(1, sizeof(*DRB_config));
DRB_config->eps_BearerIdentity = CALLOC(1, sizeof(long));
*(DRB_config->eps_BearerIdentity) = 5L; // LW set to first value, allowed value 5..15, value : x+4
// NN: this is the 1st DRB for this ue, so set it to 1
DRB_config->drb_Identity = (LTE_DRB_Identity_t) 1; // (ue_mod_idP+1); //allowed values 1..32, value: x
DRB_config->logicalChannelIdentity = CALLOC(1, sizeof(long));
*(DRB_config->logicalChannelIdentity) = (long)3; // value : x+2
DRB_rlc_config = CALLOC(1, sizeof(*DRB_rlc_config));
DRB_config->rlc_Config = DRB_rlc_config;
#ifdef RRC_DEFAULT_RAB_IS_AM
DRB_rlc_config->present = LTE_RLC_Config_PR_am;
DRB_rlc_config->choice.am.ul_AM_RLC.t_PollRetransmit = LTE_T_PollRetransmit_ms50;
DRB_rlc_config->choice.am.ul_AM_RLC.pollPDU = LTE_PollPDU_p16;
DRB_rlc_config->choice.am.ul_AM_RLC.pollByte = LTE_PollByte_kBinfinity;
DRB_rlc_config->choice.am.ul_AM_RLC.maxRetxThreshold = LTE_UL_AM_RLC__maxRetxThreshold_t8;
DRB_rlc_config->choice.am.dl_AM_RLC.t_Reordering = LTE_T_Reordering_ms35;
DRB_rlc_config->choice.am.dl_AM_RLC.t_StatusProhibit = LTE_T_StatusProhibit_ms25;
#else
DRB_rlc_config->present = LTE_RLC_Config_PR_um_Bi_Directional;
DRB_rlc_config->choice.um_Bi_Directional.ul_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.t_Reordering = LTE_T_Reordering_ms35;
#endif
DRB_pdcp_config = CALLOC(1, sizeof(*DRB_pdcp_config));
DRB_config->pdcp_Config = DRB_pdcp_config;
DRB_pdcp_config->discardTimer = CALLOC(1, sizeof(long));
*DRB_pdcp_config->discardTimer = LTE_PDCP_Config__discardTimer_infinity;
DRB_pdcp_config->rlc_AM = NULL;
DRB_pdcp_config->rlc_UM = NULL;
/* Avoid gcc warnings */
(void)PDCP_rlc_AM;
(void)PDCP_rlc_UM;
#ifdef RRC_DEFAULT_RAB_IS_AM // EXMIMO_IOT
PDCP_rlc_AM = CALLOC(1, sizeof(*PDCP_rlc_AM));
DRB_pdcp_config->rlc_AM = PDCP_rlc_AM;
PDCP_rlc_AM->statusReportRequired = FALSE;
#else
PDCP_rlc_UM = CALLOC(1, sizeof(*PDCP_rlc_UM));
DRB_pdcp_config->rlc_UM = PDCP_rlc_UM;
PDCP_rlc_UM->pdcp_SN_Size = LTE_PDCP_Config__rlc_UM__pdcp_SN_Size_len12bits;
#endif
DRB_pdcp_config->headerCompression.present = LTE_PDCP_Config__headerCompression_PR_notUsed;
DRB_lchan_config = CALLOC(1, sizeof(*DRB_lchan_config));
DRB_config->logicalChannelConfig = DRB_lchan_config;
DRB_ul_SpecificParameters = CALLOC(1, sizeof(*DRB_ul_SpecificParameters));
DRB_lchan_config->ul_SpecificParameters = DRB_ul_SpecificParameters;
DRB_ul_SpecificParameters->priority = 12; // lower priority than srb1, srb2 and other dedicated bearer
DRB_ul_SpecificParameters->prioritisedBitRate = LTE_LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_kBps8; // LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity;
DRB_ul_SpecificParameters->bucketSizeDuration = LTE_LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50;
// LCG for DTCH can take the value from 1 to 3 as defined in 36331: normally controlled by upper layers (like RRM)
logicalchannelgroup_drb = CALLOC(1, sizeof(long));
*logicalchannelgroup_drb = 1;
DRB_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup_drb;
ASN_SEQUENCE_ADD(&(*DRB_configList)->list, DRB_config);
ASN_SEQUENCE_ADD(&(*DRB_configList2)->list, DRB_config);
/* MAC Main Config */
// The different parts of MAC main config are set below
mac_MainConfig = CALLOC(1, sizeof(*mac_MainConfig));
ue_context_pP->ue_context.mac_MainConfig = mac_MainConfig;
mac_MainConfig->ul_SCH_Config = CALLOC(1, sizeof(*mac_MainConfig->ul_SCH_Config));
maxHARQ_Tx = CALLOC(1, sizeof(long));
*maxHARQ_Tx = LTE_MAC_MainConfig__ul_SCH_Config__maxHARQ_Tx_n5;
mac_MainConfig->ul_SCH_Config->maxHARQ_Tx = maxHARQ_Tx;
/* BSR reconfiguration */
periodicBSR_Timer = CALLOC(1, sizeof(long));
*periodicBSR_Timer = LTE_PeriodicBSR_Timer_r12_sf64; //LTE_PeriodicBSR_Timer_r12_infinity; // LTE_PeriodicBSR_Timer_r12_sf64; // LTE_PeriodicBSR_Timer_r12_sf20
mac_MainConfig->ul_SCH_Config->periodicBSR_Timer = periodicBSR_Timer;
mac_MainConfig->ul_SCH_Config->retxBSR_Timer = LTE_RetxBSR_Timer_r12_sf320; // LTE_RetxBSR_Timer_r12_sf320; // LTE_RetxBSR_Timer_r12_sf5120
mac_MainConfig->ul_SCH_Config->ttiBundling = 0; // FALSE
mac_MainConfig->timeAlignmentTimerDedicated = LTE_TimeAlignmentTimer_infinity;
/* PHR reconfiguration */
mac_MainConfig->phr_Config = CALLOC(1, sizeof(*mac_MainConfig->phr_Config));
mac_MainConfig->phr_Config->present = LTE_MAC_MainConfig__phr_Config_PR_setup;
mac_MainConfig->phr_Config->choice.setup.periodicPHR_Timer =
LTE_MAC_MainConfig__phr_Config__setup__periodicPHR_Timer_sf500; // sf20 = 20 subframes // LTE_MAC_MainConfig__phr_Config__setup__periodicPHR_Timer_infinity
mac_MainConfig->phr_Config->choice.setup.prohibitPHR_Timer =
LTE_MAC_MainConfig__phr_Config__setup__prohibitPHR_Timer_sf200; // sf20 = 20 subframes // LTE_MAC_MainConfig__phr_Config__setup__prohibitPHR_Timer_sf1000
mac_MainConfig->phr_Config->choice.setup.dl_PathlossChange = LTE_MAC_MainConfig__phr_Config__setup__dl_PathlossChange_dB3; // Value dB1 =1 dB, dB3 = 3 dB
/* CDRX Configuration */
mac_MainConfig->drx_Config = NULL;
rnti_t rnti = ue_context_pP->ue_id_rnti;
module_id_t module_id = ctxt_pP->module_id;
LOG_D(RRC, "Processing the DRX configuration in RRC Connection Reconfiguration\n");
/* Process the IE drx_Config */
if (NODE_IS_MONOLITHIC(rrc_inst->node_type)) {
mac_MainConfig->drx_Config = do_DrxConfig(cc_id, &rrc_inst->configuration, UEcap); // drx_Config IE
if (mac_MainConfig->drx_Config == NULL) {
LOG_W(RRC, "drx_Configuration parameter is NULL, cannot configure local UE parameters or CDRX is deactivated\n");
} else {
/* Send DRX configuration to MAC task to configure timers of local UE context */
message_p = itti_alloc_new_message(TASK_RRC_ENB, 0, RRC_MAC_DRX_CONFIG_REQ);
RRC_MAC_DRX_CONFIG_REQ(message_p).rnti = rnti;
RRC_MAC_DRX_CONFIG_REQ(message_p).drx_Configuration = mac_MainConfig->drx_Config;
itti_send_msg_to_task(TASK_MAC_ENB, module_id, message_p);
LOG_D(RRC, "DRX configured in MAC Main Configuration for RRC Connection Reconfiguration\n");
}
}
/* End of CDRX configuration */
sr_ProhibitTimer_r9 = CALLOC(1, sizeof(long));
*sr_ProhibitTimer_r9 = 0; // SR tx on PUCCH, Value in number of SR period(s). Value 0 = no timer for SR, Value 2 = 2*SR
mac_MainConfig->ext1 = CALLOC(1, sizeof(struct LTE_MAC_MainConfig__ext1));
mac_MainConfig->ext1->sr_ProhibitTimer_r9 = sr_ProhibitTimer_r9;
// change the transmission mode for the primary component carrier
// TODO: add codebook subset restriction here
// TODO: change TM for secondary CC in SCelltoaddmodlist
if (*physicalConfigDedicated) {
if ((*physicalConfigDedicated)->antennaInfo) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.transmissionMode = rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode;
LOG_D(RRC,"Setting transmission mode to %ld+1\n",rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode);
if (rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm3) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction=
CALLOC(1,sizeof(LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR));
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->present =
LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR_n2TxAntenna_tm3;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm3.buf= MALLOC(1);
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm3.buf[0] = 0xc0;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm3.size=1;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm3.bits_unused=6;
} else if (rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm4) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction=
CALLOC(1,sizeof(LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR));
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->present =
LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR_n2TxAntenna_tm4;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm4.buf= MALLOC(1);
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm4.buf[0] = 0xfc;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm4.size=1;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm4.bits_unused=2;
} else if (rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm5) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction=
CALLOC(1,sizeof(LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR));
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->present =
LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR_n2TxAntenna_tm5;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm5.buf= MALLOC(1);
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm5.buf[0] = 0xf0;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm5.size=1;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm5.bits_unused=4;
} else if (rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm6) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction=
CALLOC(1,sizeof(LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR));
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->present =
LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR_n2TxAntenna_tm6;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm6.buf= MALLOC(1);
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm6.buf[0] = 0xf0;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm6.size=1;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm6.bits_unused=4;
}
} else {
LOG_E(RRC,"antenna_info not present in physical_config_dedicated. Not reconfiguring!\n");
}
/* CSI RRC Reconfiguration */
if ((*physicalConfigDedicated)->cqi_ReportConfig != NULL) {
if ((rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode == LTE_AntennaInfoDedicated__transmissionMode_tm4) ||
(rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode == LTE_AntennaInfoDedicated__transmissionMode_tm5) ||
(rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode == LTE_AntennaInfoDedicated__transmissionMode_tm6)) {
// feedback mode needs to be set as well
// TODO: I think this is taken into account in the PHY automatically based on the transmission mode variable
LOG_I(RRC, "Setting cqi reporting mode to rm31 (hardcoded)\n");
*((*physicalConfigDedicated)->cqi_ReportConfig->cqi_ReportModeAperiodic) = LTE_CQI_ReportModeAperiodic_rm31; // HLC CQI, single PMI
}
} else {
LOG_E(RRC,"cqi_ReportConfig not present in physical_config_dedicated. Not reconfiguring!\n");
}
} else {
LOG_E(RRC,"physical_config_dedicated not present in LTE_RRCConnectionReconfiguration. Not reconfiguring!\n");
}
// Measurement ID list
MeasId_list = CALLOC(1, sizeof(*MeasId_list));
memset((void *)MeasId_list, 0, sizeof(*MeasId_list));
MeasId0 = CALLOC(1, sizeof(*MeasId0));
MeasId0->measId = 1;
MeasId0->measObjectId = 1;
MeasId0->reportConfigId = 1;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId0);
MeasId1 = CALLOC(1, sizeof(*MeasId1));
MeasId1->measId = 2;
MeasId1->measObjectId = 1;
MeasId1->reportConfigId = 2;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId1);
MeasId2 = CALLOC(1, sizeof(*MeasId2));
MeasId2->measId = 3;
MeasId2->measObjectId = 1;
MeasId2->reportConfigId = 3;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId2);
MeasId3 = CALLOC(1, sizeof(*MeasId3));
MeasId3->measId = 4;
MeasId3->measObjectId = 1;
MeasId3->reportConfigId = 4;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId3);
MeasId4 = CALLOC(1, sizeof(*MeasId4));
MeasId4->measId = 5;
MeasId4->measObjectId = 1;
MeasId4->reportConfigId = 5;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId4);
MeasId5 = CALLOC(1, sizeof(*MeasId5));
MeasId5->measId = 6;
MeasId5->measObjectId = 1;
MeasId5->reportConfigId = 6;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId5);
if (ue_context_pP->ue_context.does_nr) {
MeasId6 = calloc(1, sizeof(LTE_MeasIdToAddMod_t));
if (MeasId6 == NULL) exit(1);
MeasId6->measId = 7;
MeasId6->measObjectId = 2;
MeasId6->reportConfigId = 7;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId6);
}
// LTE_RRCConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.measConfig->measIdToAddModList = MeasId_list;
// Add one EUTRA Measurement Object
MeasObj_list = CALLOC(1, sizeof(*MeasObj_list));
memset((void *)MeasObj_list, 0, sizeof(*MeasObj_list));
// Configure MeasObject
MeasObj = CALLOC(1, sizeof(*MeasObj));
memset((void *)MeasObj, 0, sizeof(*MeasObj));
MeasObj->measObjectId = 1;
MeasObj->measObject.present = LTE_MeasObjectToAddMod__measObject_PR_measObjectEUTRA;
MeasObj->measObject.choice.measObjectEUTRA.carrierFreq =
to_earfcn_DL(RC.rrc[ctxt_pP->module_id]->configuration.eutra_band[0],
RC.rrc[ctxt_pP->module_id]->configuration.downlink_frequency[0],
RC.rrc[ctxt_pP->module_id]->configuration.N_RB_DL[0]);
MeasObj->measObject.choice.measObjectEUTRA.allowedMeasBandwidth = LTE_AllowedMeasBandwidth_mbw25;
MeasObj->measObject.choice.measObjectEUTRA.presenceAntennaPort1 = 1;
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.buf = CALLOC(1, sizeof(uint8_t));
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.buf[0] = 0;
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.size = 1;
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.bits_unused = 6;
MeasObj->measObject.choice.measObjectEUTRA.offsetFreq = NULL; // Default is 15 or 0dB
if (RC.rrc[ctxt_pP->module_id]->num_neigh_cells > 0) {
MeasObj->measObject.choice.measObjectEUTRA.cellsToAddModList =
(LTE_CellsToAddModList_t *) CALLOC(1, sizeof(*CellsToAddModList));
CellsToAddModList = MeasObj->measObject.choice.measObjectEUTRA.cellsToAddModList;
}
if (!ue_context_pP->ue_context.measurement_info) {
ue_context_pP->ue_context.measurement_info = CALLOC(1,sizeof(*(ue_context_pP->ue_context.measurement_info)));
}
//TODO: Assign proper values
ue_context_pP->ue_context.measurement_info->offsetFreq = 0;
ue_context_pP->ue_context.measurement_info->cellIndividualOffset[0] = LTE_Q_OffsetRange_dB0;
/* TODO: Extend to multiple carriers */
// Add adjacent cell lists (max 6 per eNB)
for (i = 0; i < RC.rrc[ctxt_pP->module_id]->num_neigh_cells; i++) {
CellToAdd = (LTE_CellsToAddMod_t *) CALLOC(1, sizeof(*CellToAdd));
CellToAdd->cellIndex = i + 1;
CellToAdd->physCellId = RC.rrc[ctxt_pP->module_id]->neigh_cells_id[i][0];//get_adjacent_cell_id(ctxt_pP->module_id, i);
CellToAdd->cellIndividualOffset = LTE_Q_OffsetRange_dB0;
ue_context_pP->ue_context.measurement_info->cellIndividualOffset[i+1] = CellToAdd->cellIndividualOffset;
ASN_SEQUENCE_ADD(&CellsToAddModList->list, CellToAdd);
}
ASN_SEQUENCE_ADD(&MeasObj_list->list, MeasObj);
// LTE_RRCConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.measConfig->measObjectToAddModList = MeasObj_list;
if (ue_context_pP->ue_context.does_nr) {
MeasObj2 = calloc(1, sizeof(LTE_MeasObjectToAddMod_t));
if (MeasObj2 == NULL) exit(1);
MeasObj2->measObjectId = 2;
MeasObj2->measObject.present = LTE_MeasObjectToAddMod__measObject_PR_measObjectNR_r15;
MeasObj2->measObject.choice.measObjectNR_r15.carrierFreq_r15 = rrc_inst->nr_scg_ssb_freq; //641272; //634000; //(634000 = 3.51GHz) (640000 = 3.6GHz) (641272 = 3619.08MHz = 3600 + 30/1000*106*12/2) (642256 is for 3.6GHz and absoluteFrequencySSB = 642016)
MeasObj2->measObject.choice.measObjectNR_r15.rs_ConfigSSB_r15.measTimingConfig_r15.periodicityAndOffset_r15.present = LTE_MTC_SSB_NR_r15__periodicityAndOffset_r15_PR_sf20_r15;
MeasObj2->measObject.choice.measObjectNR_r15.rs_ConfigSSB_r15.measTimingConfig_r15.periodicityAndOffset_r15.choice.sf20_r15 = 0;
MeasObj2->measObject.choice.measObjectNR_r15.rs_ConfigSSB_r15.measTimingConfig_r15.ssb_Duration_r15 = LTE_MTC_SSB_NR_r15__ssb_Duration_r15_sf4;
if (rrc_inst->nr_scg_ssb_freq > 2016666) //FR2
MeasObj2->measObject.choice.measObjectNR_r15.rs_ConfigSSB_r15.subcarrierSpacingSSB_r15 = LTE_RS_ConfigSSB_NR_r15__subcarrierSpacingSSB_r15_kHz120;
else
MeasObj2->measObject.choice.measObjectNR_r15.rs_ConfigSSB_r15.subcarrierSpacingSSB_r15 = LTE_RS_ConfigSSB_NR_r15__subcarrierSpacingSSB_r15_kHz30;
MeasObj2->measObject.choice.measObjectNR_r15.quantityConfigSet_r15 = 1;
MeasObj2->measObject.choice.measObjectNR_r15.ext1 = calloc(1, sizeof(struct LTE_MeasObjectNR_r15__ext1));
if (MeasObj2->measObject.choice.measObjectNR_r15.ext1 == NULL) exit(1);
MeasObj2->measObject.choice.measObjectNR_r15.ext1->bandNR_r15 = calloc(1, sizeof(struct LTE_MeasObjectNR_r15__ext1__bandNR_r15));
if (MeasObj2->measObject.choice.measObjectNR_r15.ext1->bandNR_r15 == NULL) exit(1);
MeasObj2->measObject.choice.measObjectNR_r15.ext1->bandNR_r15->present = LTE_MeasObjectNR_r15__ext1__bandNR_r15_PR_setup;
if (rrc_inst->nr_scg_ssb_freq > 2016666) //FR2
MeasObj2->measObject.choice.measObjectNR_r15.ext1->bandNR_r15->choice.setup = 261;
else
MeasObj2->measObject.choice.measObjectNR_r15.ext1->bandNR_r15->choice.setup = 78;
ASN_SEQUENCE_ADD(&MeasObj_list->list, MeasObj2);
}
if (!ue_context_pP->ue_context.measurement_info->events) {
ue_context_pP->ue_context.measurement_info->events = CALLOC(1,sizeof(*(ue_context_pP->ue_context.measurement_info->events)));
}
// Report Configurations for periodical, A1-A5 events
ReportConfig_list = CALLOC(1, sizeof(*ReportConfig_list));
ReportConfig_per = CALLOC(1, sizeof(*ReportConfig_per));
ReportConfig_A1 = CALLOC(1, sizeof(*ReportConfig_A1));
ReportConfig_A2 = CALLOC(1, sizeof(*ReportConfig_A2));
ReportConfig_A3 = CALLOC(1, sizeof(*ReportConfig_A3));
ReportConfig_A4 = CALLOC(1, sizeof(*ReportConfig_A4));
ReportConfig_A5 = CALLOC(1, sizeof(*ReportConfig_A5));
if (ue_context_pP->ue_context.does_nr) {
ReportConfig_NR = CALLOC(1, sizeof(*ReportConfig_NR));
}
ReportConfig_per->reportConfigId = 1;
ReportConfig_per->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_periodical;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.triggerType.choice.periodical.purpose =
LTE_ReportConfigEUTRA__triggerType__periodical__purpose_reportStrongestCells;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.triggerQuantity = LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_per);
ReportConfig_A1->reportConfigId = 2;
ReportConfig_A1->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA1;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA1.
a1_Threshold.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA1.
a1_Threshold.choice.threshold_RSRP = 10;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerQuantity = LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A1);
//if (ho_state == 1 /*HO_MEASURMENT */ ) {
LOG_I(RRC, "[eNB %d] frame %d: requesting A2, A3, A4, and A5 event reporting\n",
ctxt_pP->module_id, ctxt_pP->frame);
ReportConfig_A2->reportConfigId = 3;
ReportConfig_A2->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA2;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA2.a2_Threshold.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA2.a2_Threshold.choice.threshold_RSRP = 10;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A2);
ReportConfig_A3->reportConfigId = 4;
ReportConfig_A3->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA3;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA3.a3_Offset = 0; //10;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA3.reportOnLeave = 1;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.hysteresis = 0; // FIXME ...hysteresis is of type long!
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.timeToTrigger =
LTE_TimeToTrigger_ms40;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A3);
ReportConfig_A4->reportConfigId = 5;
ReportConfig_A4->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA4;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA4.a4_Threshold.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA4.a4_Threshold.choice.threshold_RSRP = 10;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A4);
ReportConfig_A5->reportConfigId = 6;
ReportConfig_A5->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA5;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold1.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold2.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold1.choice.threshold_RSRP = 10;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold2.choice.threshold_RSRP = 10;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A5);
if (ue_context_pP->ue_context.does_nr) {
ReportConfig_NR->reportConfigId = 7;
ReportConfig_NR->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigInterRAT;
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.triggerType.present = LTE_ReportConfigInterRAT__triggerType_PR_event;
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.triggerType.choice.event.eventId.present = LTE_ReportConfigInterRAT__triggerType__event__eventId_PR_eventB1_NR_r15;
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.triggerType.choice.event.eventId.choice.eventB1_NR_r15.b1_ThresholdNR_r15.present = LTE_ThresholdNR_r15_PR_nr_RSRP_r15;
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.triggerType.choice.event.eventId.choice.eventB1_NR_r15.b1_ThresholdNR_r15.choice.nr_RSRP_r15 = 0;
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.triggerType.choice.event.eventId.choice.eventB1_NR_r15.reportOnLeave_r15 = FALSE;
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.triggerType.choice.event.hysteresis = 2;
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.triggerType.choice.event.timeToTrigger = LTE_TimeToTrigger_ms80;
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.maxReportCells = 4;
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.reportAmount = LTE_ReportConfigInterRAT__reportAmount_infinity;
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.ext7 = calloc(1, sizeof(struct LTE_ReportConfigInterRAT__ext7));
if (ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.ext7 == NULL) exit(1);
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.ext7->reportQuantityCellNR_r15 = calloc(1, sizeof(struct LTE_ReportQuantityNR_r15));
if (ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.ext7->reportQuantityCellNR_r15 == NULL) exit(1);
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.ext7->reportQuantityCellNR_r15->ss_rsrp = TRUE;
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.ext7->reportQuantityCellNR_r15->ss_rsrq = TRUE;
ReportConfig_NR->reportConfig.choice.reportConfigInterRAT.ext7->reportQuantityCellNR_r15->ss_sinr = TRUE;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_NR);
}
// LTE_RRCConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.measConfig->reportConfigToAddModList = ReportConfig_list;
/* A3 event update */
if (!ue_context_pP->ue_context.measurement_info->events->a3_event) {
ue_context_pP->ue_context.measurement_info->events->a3_event = CALLOC(1,sizeof(*(ue_context_pP->ue_context.measurement_info->events->a3_event)));
}
ue_context_pP->ue_context.measurement_info->events->a3_event->a3_offset = ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA3.a3_Offset;
ue_context_pP->ue_context.measurement_info->events->a3_event->reportOnLeave = ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA3.reportOnLeave;
ue_context_pP->ue_context.measurement_info->events->a3_event->hysteresis = ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.hysteresis;
ue_context_pP->ue_context.measurement_info->events->a3_event->timeToTrigger = ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.timeToTrigger;
ue_context_pP->ue_context.measurement_info->events->a3_event->maxReportCells = ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.maxReportCells;
#if 0
/* TODO: set a proper value.
* 20 means: UE does not report if RSRP of serving cell is higher
* than -120 dB (see 36.331 5.5.3.1).
* This is too low for the X2 handover experiment.
*/
rsrp = CALLOC(1, sizeof(LTE_RSRP_Range_t));
*rsrp = 20;
#endif
Sparams = CALLOC(1, sizeof(*Sparams));
Sparams->present = LTE_MeasConfig__speedStatePars_PR_setup;
Sparams->choice.setup.timeToTrigger_SF.sf_High = LTE_SpeedStateScaleFactors__sf_Medium_oDot75;
Sparams->choice.setup.timeToTrigger_SF.sf_Medium = LTE_SpeedStateScaleFactors__sf_High_oDot5;
Sparams->choice.setup.mobilityStateParameters.n_CellChangeHigh = 10;
Sparams->choice.setup.mobilityStateParameters.n_CellChangeMedium = 5;
Sparams->choice.setup.mobilityStateParameters.t_Evaluation = LTE_MobilityStateParameters__t_Evaluation_s60;
Sparams->choice.setup.mobilityStateParameters.t_HystNormal = LTE_MobilityStateParameters__t_HystNormal_s120;
quantityConfig = CALLOC(1, sizeof(*quantityConfig));
memset((void *)quantityConfig, 0, sizeof(*quantityConfig));
quantityConfig->quantityConfigEUTRA = CALLOC(1, sizeof(struct LTE_QuantityConfigEUTRA));
memset((void *)quantityConfig->quantityConfigEUTRA, 0, sizeof(*quantityConfig->quantityConfigEUTRA));
quantityConfig->quantityConfigCDMA2000 = NULL;
quantityConfig->quantityConfigGERAN = NULL;
quantityConfig->quantityConfigUTRA = NULL;
quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP =
CALLOC(1, sizeof(*(quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP)));
quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ =
CALLOC(1, sizeof(*(quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ)));
*quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP = LTE_FilterCoefficient_fc4;
*quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ = LTE_FilterCoefficient_fc4;
ue_context_pP->ue_context.measurement_info->filterCoefficientRSRP = *quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP;
ue_context_pP->ue_context.measurement_info->filterCoefficientRSRQ = *quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ;
/* Initialize NAS list */
dedicatedInfoNASList = CALLOC(1, sizeof(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList));
/* Add all NAS PDUs to the list */
for (i = 0; i < ue_context_pP->ue_context.nb_of_e_rabs; i++) {
if (ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer != NULL) {
dedicatedInfoNas = CALLOC(1, sizeof(LTE_DedicatedInfoNAS_t));
memset(dedicatedInfoNas, 0, sizeof(OCTET_STRING_t));
OCTET_STRING_fromBuf(dedicatedInfoNas,
(char *)ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer,
ue_context_pP->ue_context.e_rab[i].param.nas_pdu.length);
ASN_SEQUENCE_ADD(&dedicatedInfoNASList->list, dedicatedInfoNas);
}
/* TODO parameters yet to process ... */
{
// ue_context_pP->ue_context.e_rab[i].param.qos;
// ue_context_pP->ue_context.e_rab[i].param.sgw_addr;
// ue_context_pP->ue_context.e_rab[i].param.gtp_teid;
}
/* TODO should test if e RAB are OK before! */
ue_context_pP->ue_context.e_rab[i].status = E_RAB_STATUS_DONE;
LOG_D(RRC, "setting the status for the default DRB (index %d) to (%d,%s)\n",
i, ue_context_pP->ue_context.e_rab[i].status, "E_RAB_STATUS_DONE");
}
/* If list is empty free the list and reset the address */
if (dedicatedInfoNASList->list.count == 0) {
free(dedicatedInfoNASList);
dedicatedInfoNASList = NULL;
}
measurements_enabled = RC.rrc[ENB_INSTANCE_TO_MODULE_ID(ctxt_pP->instance)]->configuration.enable_x2 ||
RC.rrc[ENB_INSTANCE_TO_MODULE_ID(ctxt_pP->instance)]->configuration.enable_measurement_reports;
memset(buffer, 0, RRC_BUF_SIZE);
size = do_RRCConnectionReconfiguration(ctxt_pP,
buffer,
xid, // Transaction_id,
(LTE_SRB_ToAddModList_t *) *SRB_configList2, // SRB_configList
(LTE_DRB_ToAddModList_t *) *DRB_configList,
(LTE_DRB_ToReleaseList_t *) NULL, // DRB2_list,
(struct LTE_SPS_Config *) NULL, // *sps_Config,
(struct LTE_PhysicalConfigDedicated *) *physicalConfigDedicated,
measurements_enabled ? (LTE_MeasObjectToAddModList_t *) MeasObj_list : NULL,
measurements_enabled ? (LTE_ReportConfigToAddModList_t *) ReportConfig_list : NULL,
measurements_enabled ? (LTE_QuantityConfig_t *) quantityConfig : NULL,
measurements_enabled ? (LTE_MeasIdToAddModList_t *) MeasId_list : NULL,
(LTE_MAC_MainConfig_t *) mac_MainConfig,
(LTE_MeasGapConfig_t *) NULL,
(LTE_MobilityControlInfo_t *) NULL,
(LTE_SecurityConfigHO_t *) NULL,
(struct LTE_MeasConfig__speedStatePars *) Sparams,
(LTE_RSRP_Range_t *) rsrp,
(LTE_C_RNTI_t *) cba_RNTI,
(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *) dedicatedInfoNASList,
(LTE_SL_CommConfig_r12_t *) NULL,
(LTE_SL_DiscConfig_r12_t *) NULL,
(LTE_SCellToAddMod_r10_t *) NULL
);
LOG_DUMPMSG(RRC, DEBUG_RRC,(char *)buffer, size, "[MSG] RRC Connection Reconfiguration\n");
/* Free all NAS PDUs */
for (i = 0; i < ue_context_pP->ue_context.nb_of_e_rabs; i++) {
if (ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer != NULL) {
/* Free the NAS PDU buffer and invalidate it */
free(ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer);
ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer = NULL;
}
}
LOG_I(RRC, "[eNB %d] Frame %d, Logical Channel DL-DCCH, Generate LTE_RRCConnectionReconfiguration (bytes %d, UE id %x)\n",
ctxt_pP->module_id,
ctxt_pP->frame,
size,
ue_context_pP->ue_context.rnti);
LOG_D(RRC, "[FRAME %05d][RRC_eNB][MOD %u][][--- PDCP_DATA_REQ/%d Bytes (rrcConnectionReconfiguration to UE %x MUI %d) --->][PDCP][MOD %u][RB %u]\n",
ctxt_pP->frame,
ctxt_pP->module_id,
size,
ue_context_pP->ue_context.rnti,
rrc_eNB_mui,
ctxt_pP->module_id,
DCCH);
MSC_LOG_TX_MESSAGE(MSC_RRC_ENB,
MSC_RRC_UE,
buffer,
size,
MSC_AS_TIME_FMT" LTE_RRCConnectionReconfiguration UE %x MUI %d size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
rrc_eNB_mui,
size);
rrc_data_req(ctxt_pP,
DCCH,
rrc_eNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
/* Refresh SRBs/DRBs */
rrc_pdcp_config_asn1_req(ctxt_pP,
*SRB_configList2, // NULL,
*DRB_configList,
NULL,
0xff, // already configured during the securitymodecommand
NULL,
NULL,
NULL
#if (LTE_RRC_VERSION >= MAKE_VERSION(9, 0, 0))
, (LTE_PMCH_InfoList_r9_t *) NULL
#endif
, NULL);
/* Refresh SRBs/DRBs */
if (!NODE_IS_CU(RC.rrc[ctxt_pP->module_id]->node_type)) {
rrc_rlc_config_asn1_req(ctxt_pP,
*SRB_configList2, // NULL,
*DRB_configList,
NULL
#if (LTE_RRC_VERSION >= MAKE_VERSION(9, 0, 0))
, (LTE_PMCH_InfoList_r9_t *) NULL,
0,
0
#endif
);
}
free(Sparams);
Sparams = NULL;
free(quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP);
quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP = NULL;
free(quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ);
quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ = NULL;
free(quantityConfig->quantityConfigEUTRA);
quantityConfig->quantityConfigEUTRA = NULL;
free(quantityConfig);
quantityConfig = NULL;
}
//-----------------------------------------------------------------------------
void
flexran_rrc_eNB_generate_defaultRRCConnectionReconfiguration(const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP,
const uint8_t ho_state)
//-----------------------------------------------------------------------------
{
uint8_t buffer[RRC_BUF_SIZE];
uint16_t size;
int i;
MessageDef *message_p = NULL;
/* Configure SRB1/SRB2, PhysicalConfigDedicated, LTE_MAC_MainConfig for UE */
eNB_RRC_INST *rrc_inst = RC.rrc[ctxt_pP->module_id];
struct LTE_PhysicalConfigDedicated **physicalConfigDedicated = &ue_context_pP->ue_context.physicalConfigDedicated;
struct LTE_SRB_ToAddMod *SRB2_config = NULL;
struct LTE_SRB_ToAddMod__rlc_Config *SRB2_rlc_config = NULL;
struct LTE_SRB_ToAddMod__logicalChannelConfig *SRB2_lchan_config = NULL;
struct LTE_LogicalChannelConfig__ul_SpecificParameters
*SRB2_ul_SpecificParameters = NULL;
LTE_SRB_ToAddModList_t *SRB_configList = ue_context_pP->ue_context.SRB_configList;
LTE_SRB_ToAddModList_t **SRB_configList2 = NULL;
struct LTE_DRB_ToAddMod *DRB_config = NULL;
struct LTE_RLC_Config *DRB_rlc_config = NULL;
struct LTE_PDCP_Config *DRB_pdcp_config = NULL;
struct LTE_PDCP_Config__rlc_AM *PDCP_rlc_AM = NULL;
struct LTE_PDCP_Config__rlc_UM *PDCP_rlc_UM = NULL;
struct LTE_LogicalChannelConfig *DRB_lchan_config = NULL;
struct LTE_LogicalChannelConfig__ul_SpecificParameters
*DRB_ul_SpecificParameters = NULL;
LTE_DRB_ToAddModList_t **DRB_configList = &ue_context_pP->ue_context.DRB_configList;
LTE_DRB_ToAddModList_t **DRB_configList2 = NULL;
LTE_MAC_MainConfig_t *mac_MainConfig = NULL;
LTE_MeasObjectToAddModList_t *MeasObj_list = NULL;
LTE_MeasObjectToAddMod_t *MeasObj = NULL;
LTE_ReportConfigToAddModList_t *ReportConfig_list = NULL;
LTE_ReportConfigToAddMod_t *ReportConfig_per, *ReportConfig_A1,
*ReportConfig_A2, *ReportConfig_A3, *ReportConfig_A4, *ReportConfig_A5;
LTE_MeasIdToAddModList_t *MeasId_list = NULL;
LTE_MeasIdToAddMod_t *MeasId0, *MeasId1, *MeasId2, *MeasId3, *MeasId4, *MeasId5;
long *sr_ProhibitTimer_r9 = NULL;
long *logicalchannelgroup = NULL;
long *logicalchannelgroup_drb = NULL;
long *maxHARQ_Tx = NULL;
long *periodicBSR_Timer = NULL;
LTE_RSRP_Range_t *rsrp = NULL;
struct LTE_MeasConfig__speedStatePars *Sparams = NULL;
LTE_QuantityConfig_t *quantityConfig = NULL;
LTE_CellsToAddMod_t *CellToAdd = NULL;
LTE_CellsToAddModList_t *CellsToAddModList = NULL;
struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *dedicatedInfoNASList = NULL;
LTE_DedicatedInfoNAS_t *dedicatedInfoNas = NULL;
/* For no gcc warnings */
(void) dedicatedInfoNas;
LTE_C_RNTI_t *cba_RNTI = NULL;
int measurements_enabled;
uint8_t xid = rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id); //Transaction_id,
#ifdef CBA // Contention Based Access
uint8_t *cba_RNTI_buf;
cba_RNTI = CALLOC(1, sizeof(LTE_C_RNTI_t));
cba_RNTI_buf = CALLOC(1, 2 * sizeof(uint8_t));
cba_RNTI->buf = cba_RNTI_buf;
cba_RNTI->size = 2;
cba_RNTI->bits_unused = 0;
/* Associate UEs to the CBA groups as a function of their UE id */
if (rrc_inst->num_active_cba_groups) {
cba_RNTI->buf[0] = rrc_inst->cba_rnti[ue_mod_idP % rrc_inst->num_active_cba_groups] & 0xff;
cba_RNTI->buf[1] = 0xff;
LOG_D(RRC, "[eNB %d] Frame %d: cba_RNTI = %x in group %d is attribued to UE %d\n",
enb_mod_idP,
frameP,
rrc_inst->cba_rnti[ue_mod_idP % rrc_inst->num_active_cba_groups],
ue_mod_idP % rrc_inst->num_active_cba_groups, ue_mod_idP);
} else {
cba_RNTI->buf[0] = 0x0;
cba_RNTI->buf[1] = 0x0;
LOG_D(RRC, "[eNB %d] Frame %d: no cba_RNTI is configured for UE %d\n",
enb_mod_idP,
frameP,
ue_mod_idP);
}
#endif
T(T_ENB_RRC_CONNECTION_RECONFIGURATION,
T_INT(ctxt_pP->module_id),
T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe),
T_INT(ctxt_pP->rnti));
/* Configure SRB2 */
SRB_configList2 = &(ue_context_pP->ue_context.SRB_configList2[xid]);
if (*SRB_configList2) {
free(*SRB_configList2);
}
*SRB_configList2 = CALLOC(1, sizeof(**SRB_configList2));
memset(*SRB_configList2, 0, sizeof(**SRB_configList2));
SRB2_config = CALLOC(1, sizeof(*SRB2_config));
SRB2_config->srb_Identity = 2;
SRB2_rlc_config = CALLOC(1, sizeof(*SRB2_rlc_config));
SRB2_config->rlc_Config = SRB2_rlc_config;
SRB2_rlc_config->present = LTE_SRB_ToAddMod__rlc_Config_PR_explicitValue;
SRB2_rlc_config->choice.explicitValue.present = LTE_RLC_Config_PR_am;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.t_PollRetransmit = LTE_T_PollRetransmit_ms15;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.pollPDU = LTE_PollPDU_p8;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.pollByte = LTE_PollByte_kB1000;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.maxRetxThreshold = LTE_UL_AM_RLC__maxRetxThreshold_t32;
SRB2_rlc_config->choice.explicitValue.choice.am.dl_AM_RLC.t_Reordering = LTE_T_Reordering_ms35;
SRB2_rlc_config->choice.explicitValue.choice.am.dl_AM_RLC.t_StatusProhibit = LTE_T_StatusProhibit_ms10;
SRB2_lchan_config = CALLOC(1, sizeof(*SRB2_lchan_config));
SRB2_config->logicalChannelConfig = SRB2_lchan_config;
SRB2_lchan_config->present = LTE_SRB_ToAddMod__logicalChannelConfig_PR_explicitValue;
SRB2_ul_SpecificParameters = CALLOC(1, sizeof(*SRB2_ul_SpecificParameters));
SRB2_ul_SpecificParameters->priority = 3; // let some priority for SRB1 and dedicated DRBs
SRB2_ul_SpecificParameters->prioritisedBitRate = LTE_LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity;
SRB2_ul_SpecificParameters->bucketSizeDuration = LTE_LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50;
/* LCG for CCCH and DCCH is 0 as defined in 36331 */
logicalchannelgroup = CALLOC(1, sizeof(long));
*logicalchannelgroup = 0;
SRB2_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup;
SRB2_lchan_config->choice.explicitValue.ul_SpecificParameters = SRB2_ul_SpecificParameters;
ASN_SEQUENCE_ADD(&SRB_configList->list, SRB2_config); // this list has the configuration for SRB1 and SRB2
ASN_SEQUENCE_ADD(&(*SRB_configList2)->list, SRB2_config); // this list has only the configuration for SRB2
/* Configure DRB */
// list for all the configured DRB
if (*DRB_configList) {
free(*DRB_configList);
}
*DRB_configList = CALLOC(1, sizeof(**DRB_configList));
memset(*DRB_configList, 0, sizeof(**DRB_configList));
DRB_configList2=&ue_context_pP->ue_context.DRB_configList2[xid]; // list for the configured DRB for a this xid
if (*DRB_configList2) {
free(*DRB_configList2);
}
*DRB_configList2 = CALLOC(1, sizeof(**DRB_configList2));
memset(*DRB_configList2, 0, sizeof(**DRB_configList2));
DRB_config = CALLOC(1, sizeof(*DRB_config));
DRB_config->eps_BearerIdentity = CALLOC(1, sizeof(long));
*(DRB_config->eps_BearerIdentity) = 5L; // LW set to first value, allowed value 5..15, value : x+4
// NN: this is the 1st DRB for this ue, so set it to 1
DRB_config->drb_Identity = (LTE_DRB_Identity_t) 1; // (ue_mod_idP+1); //allowed values 1..32, value: x
DRB_config->logicalChannelIdentity = CALLOC(1, sizeof(long));
*(DRB_config->logicalChannelIdentity) = (long)3; // value : x+2
DRB_rlc_config = CALLOC(1, sizeof(*DRB_rlc_config));
DRB_config->rlc_Config = DRB_rlc_config;
#ifdef RRC_DEFAULT_RAB_IS_AM
DRB_rlc_config->present = LTE_RLC_Config_PR_am;
DRB_rlc_config->choice.am.ul_AM_RLC.t_PollRetransmit = LTE_T_PollRetransmit_ms50;
DRB_rlc_config->choice.am.ul_AM_RLC.pollPDU = LTE_PollPDU_p16;
DRB_rlc_config->choice.am.ul_AM_RLC.pollByte = LTE_PollByte_kBinfinity;
DRB_rlc_config->choice.am.ul_AM_RLC.maxRetxThreshold = LTE_UL_AM_RLC__maxRetxThreshold_t8;
DRB_rlc_config->choice.am.dl_AM_RLC.t_Reordering = LTE_T_Reordering_ms35;
DRB_rlc_config->choice.am.dl_AM_RLC.t_StatusProhibit = LTE_T_StatusProhibit_ms25;
#else
DRB_rlc_config->present = LTE_RLC_Config_PR_um_Bi_Directional;
DRB_rlc_config->choice.um_Bi_Directional.ul_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.t_Reordering = LTE_T_Reordering_ms35;
#endif
DRB_pdcp_config = CALLOC(1, sizeof(*DRB_pdcp_config));
DRB_config->pdcp_Config = DRB_pdcp_config;
DRB_pdcp_config->discardTimer = CALLOC(1, sizeof(long));
*DRB_pdcp_config->discardTimer = LTE_PDCP_Config__discardTimer_infinity;
DRB_pdcp_config->rlc_AM = NULL;
DRB_pdcp_config->rlc_UM = NULL;
/* Avoid gcc warnings */
(void)PDCP_rlc_AM;
(void)PDCP_rlc_UM;
#ifdef RRC_DEFAULT_RAB_IS_AM // EXMIMO_IOT
PDCP_rlc_AM = CALLOC(1, sizeof(*PDCP_rlc_AM));
DRB_pdcp_config->rlc_AM = PDCP_rlc_AM;
PDCP_rlc_AM->statusReportRequired = FALSE;
#else
PDCP_rlc_UM = CALLOC(1, sizeof(*PDCP_rlc_UM));
DRB_pdcp_config->rlc_UM = PDCP_rlc_UM;
PDCP_rlc_UM->pdcp_SN_Size = LTE_PDCP_Config__rlc_UM__pdcp_SN_Size_len12bits;
#endif
DRB_pdcp_config->headerCompression.present = LTE_PDCP_Config__headerCompression_PR_notUsed;
DRB_lchan_config = CALLOC(1, sizeof(*DRB_lchan_config));
DRB_config->logicalChannelConfig = DRB_lchan_config;
DRB_ul_SpecificParameters = CALLOC(1, sizeof(*DRB_ul_SpecificParameters));
DRB_lchan_config->ul_SpecificParameters = DRB_ul_SpecificParameters;
DRB_ul_SpecificParameters->priority = 12; // lower priority than srb1, srb2 and other dedicated bearer
DRB_ul_SpecificParameters->prioritisedBitRate = LTE_LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_kBps8; // LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity;
DRB_ul_SpecificParameters->bucketSizeDuration = LTE_LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50;
// LCG for DTCH can take the value from 1 to 3 as defined in 36331: normally controlled by upper layers (like RRM)
logicalchannelgroup_drb = CALLOC(1, sizeof(long));
*logicalchannelgroup_drb = 1;
DRB_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup_drb;
ASN_SEQUENCE_ADD(&(*DRB_configList)->list, DRB_config);
ASN_SEQUENCE_ADD(&(*DRB_configList2)->list, DRB_config);
/* MAC Main Config */
// The different parts of MAC main config are set below
mac_MainConfig = CALLOC(1, sizeof(*mac_MainConfig));
mac_MainConfig->ul_SCH_Config = CALLOC(1, sizeof(*mac_MainConfig->ul_SCH_Config));
maxHARQ_Tx = CALLOC(1, sizeof(long));
*maxHARQ_Tx = LTE_MAC_MainConfig__ul_SCH_Config__maxHARQ_Tx_n5;
mac_MainConfig->ul_SCH_Config->maxHARQ_Tx = maxHARQ_Tx;
/* BSR reconfiguration */
periodicBSR_Timer = CALLOC(1, sizeof(long));
*periodicBSR_Timer = LTE_PeriodicBSR_Timer_r12_sf64; //LTE_PeriodicBSR_Timer_r12_infinity; // LTE_PeriodicBSR_Timer_r12_sf64; // LTE_PeriodicBSR_Timer_r12_sf20
mac_MainConfig->ul_SCH_Config->periodicBSR_Timer = periodicBSR_Timer;
mac_MainConfig->ul_SCH_Config->retxBSR_Timer = LTE_RetxBSR_Timer_r12_sf320; // LTE_RetxBSR_Timer_r12_sf320; // LTE_RetxBSR_Timer_r12_sf5120
mac_MainConfig->ul_SCH_Config->ttiBundling = 0; // FALSE
mac_MainConfig->timeAlignmentTimerDedicated = LTE_TimeAlignmentTimer_infinity;
/* PHR reconfiguration */
mac_MainConfig->phr_Config = CALLOC(1, sizeof(*mac_MainConfig->phr_Config));
mac_MainConfig->phr_Config->present = LTE_MAC_MainConfig__phr_Config_PR_setup;
mac_MainConfig->phr_Config->choice.setup.periodicPHR_Timer =
LTE_MAC_MainConfig__phr_Config__setup__periodicPHR_Timer_sf500; // sf20 = 20 subframes // LTE_MAC_MainConfig__phr_Config__setup__periodicPHR_Timer_infinity
mac_MainConfig->phr_Config->choice.setup.prohibitPHR_Timer =
LTE_MAC_MainConfig__phr_Config__setup__prohibitPHR_Timer_sf200; // sf20 = 20 subframes // LTE_MAC_MainConfig__phr_Config__setup__prohibitPHR_Timer_sf1000
mac_MainConfig->phr_Config->choice.setup.dl_PathlossChange = LTE_MAC_MainConfig__phr_Config__setup__dl_PathlossChange_dB3; // Value dB1 =1 dB, dB3 = 3 dB
/* CDRX Configuration */
mac_MainConfig->drx_Config = NULL;
rnti_t rnti = ue_context_pP->ue_id_rnti;
module_id_t module_id = ctxt_pP->module_id;
uint8_t cc_id = ue_context_pP->ue_context.primaryCC_id;
LTE_UE_EUTRA_Capability_t *UEcap = ue_context_pP->ue_context.UE_Capability;
LOG_D(RRC, "Processing the DRX configuration in RRC Connection Reconfiguration\n");
/* Process the IE drx_Config */
if (NODE_IS_MONOLITHIC(rrc_inst->node_type)) {
mac_MainConfig->drx_Config = do_DrxConfig(cc_id, &rrc_inst->configuration, UEcap); // drx_Config IE
if (mac_MainConfig->drx_Config == NULL) {
LOG_W(RRC, "drx_Configuration parameter is NULL, cannot configure local UE parameters or CDRX is deactivated\n");
} else {
/* Send DRX configuration to MAC task to configure timers of local UE context */
message_p = itti_alloc_new_message(TASK_RRC_ENB, 0, RRC_MAC_DRX_CONFIG_REQ);
RRC_MAC_DRX_CONFIG_REQ(message_p).rnti = rnti;
RRC_MAC_DRX_CONFIG_REQ(message_p).drx_Configuration = mac_MainConfig->drx_Config;
itti_send_msg_to_task(TASK_MAC_ENB, module_id, message_p);
LOG_D(RRC, "DRX configured in MAC Main Configuration for RRC Connection Reconfiguration\n");
}
}
/* End of CDRX configuration */
sr_ProhibitTimer_r9 = CALLOC(1, sizeof(long));
*sr_ProhibitTimer_r9 = 0; // SR tx on PUCCH, Value in number of SR period(s). Value 0 = no timer for SR, Value 2 = 2*SR
mac_MainConfig->ext1 = CALLOC(1, sizeof(struct LTE_MAC_MainConfig__ext1));
mac_MainConfig->ext1->sr_ProhibitTimer_r9 = sr_ProhibitTimer_r9;
// free the old LTE_MAC_MainConfig_t: get a pointer to "old" memory, assign
// the new values in the ue_context, then free it
// Note: can not completely avoid race condition with FlexRAN
LTE_MAC_MainConfig_t *old_mac_MainConfig = ue_context_pP->ue_context.mac_MainConfig;
ue_context_pP->ue_context.mac_MainConfig = mac_MainConfig;
free(old_mac_MainConfig->ul_SCH_Config->periodicBSR_Timer);
free(old_mac_MainConfig->ul_SCH_Config->maxHARQ_Tx);
free(old_mac_MainConfig->ul_SCH_Config);
free(old_mac_MainConfig->phr_Config);
free(old_mac_MainConfig->ext1->sr_ProhibitTimer_r9);
free(old_mac_MainConfig->ext1);
free(old_mac_MainConfig);
// change the transmission mode for the primary component carrier
// TODO: add codebook subset restriction here
// TODO: change TM for secondary CC in SCelltoaddmodlist
if (*physicalConfigDedicated) {
if ((*physicalConfigDedicated)->antennaInfo) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.transmissionMode = rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode;
LOG_D(RRC,"Setting transmission mode to %ld+1\n",rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode);
if (rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm3) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction=
CALLOC(1,sizeof(LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR));
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->present =
LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR_n2TxAntenna_tm3;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm3.buf= MALLOC(1);
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm3.buf[0] = 0xc0;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm3.size=1;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm3.bits_unused=6;
} else if (rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm4) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction=
CALLOC(1,sizeof(LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR));
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->present =
LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR_n2TxAntenna_tm4;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm4.buf= MALLOC(1);
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm4.buf[0] = 0xfc;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm4.size=1;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm4.bits_unused=2;
} else if (rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm5) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction=
CALLOC(1,sizeof(LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR));
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->present =
LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR_n2TxAntenna_tm5;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm5.buf= MALLOC(1);
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm5.buf[0] = 0xf0;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm5.size=1;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm5.bits_unused=4;
} else if (rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm6) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction=
CALLOC(1,sizeof(LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR));
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->present =
LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR_n2TxAntenna_tm6;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm6.buf= MALLOC(1);
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm6.buf[0] = 0xf0;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm6.size=1;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm6.bits_unused=4;
}
} else {
LOG_E(RRC,"antenna_info not present in physical_config_dedicated. Not reconfiguring!\n");
}
/* CSI RRC Reconfiguration */
if ((*physicalConfigDedicated)->cqi_ReportConfig != NULL) {
if ((rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode == LTE_AntennaInfoDedicated__transmissionMode_tm4) ||
(rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode == LTE_AntennaInfoDedicated__transmissionMode_tm5) ||
(rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode == LTE_AntennaInfoDedicated__transmissionMode_tm6)) {
// feedback mode needs to be set as well
// TODO: I think this is taken into account in the PHY automatically based on the transmission mode variable
LOG_I(RRC, "Setting cqi reporting mode to rm31 (hardcoded)\n");
*((*physicalConfigDedicated)->cqi_ReportConfig->cqi_ReportModeAperiodic) = LTE_CQI_ReportModeAperiodic_rm31; // HLC CQI, single PMI
}
} else {
LOG_E(RRC,"cqi_ReportConfig not present in physical_config_dedicated. Not reconfiguring!\n");
}
} else {
LOG_E(RRC,"physical_config_dedicated not present in LTE_RRCConnectionReconfiguration. Not reconfiguring!\n");
}
// Measurement ID list
MeasId_list = CALLOC(1, sizeof(*MeasId_list));
memset((void *)MeasId_list, 0, sizeof(*MeasId_list));
MeasId0 = CALLOC(1, sizeof(*MeasId0));
MeasId0->measId = 1;
MeasId0->measObjectId = 1;
MeasId0->reportConfigId = 1;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId0);
MeasId1 = CALLOC(1, sizeof(*MeasId1));
MeasId1->measId = 2;
MeasId1->measObjectId = 1;
MeasId1->reportConfigId = 2;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId1);
MeasId2 = CALLOC(1, sizeof(*MeasId2));
MeasId2->measId = 3;
MeasId2->measObjectId = 1;
MeasId2->reportConfigId = 3;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId2);
MeasId3 = CALLOC(1, sizeof(*MeasId3));
MeasId3->measId = 4;
MeasId3->measObjectId = 1;
MeasId3->reportConfigId = 4;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId3);
MeasId4 = CALLOC(1, sizeof(*MeasId4));
MeasId4->measId = 5;
MeasId4->measObjectId = 1;
MeasId4->reportConfigId = 5;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId4);
MeasId5 = CALLOC(1, sizeof(*MeasId5));
MeasId5->measId = 6;
MeasId5->measObjectId = 1;
MeasId5->reportConfigId = 6;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId5);
// LTE_RRCConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.measConfig->measIdToAddModList = MeasId_list;
// Add one EUTRA Measurement Object
MeasObj_list = CALLOC(1, sizeof(*MeasObj_list));
memset((void *)MeasObj_list, 0, sizeof(*MeasObj_list));
// Configure MeasObject
MeasObj = CALLOC(1, sizeof(*MeasObj));
memset((void *)MeasObj, 0, sizeof(*MeasObj));
MeasObj->measObjectId = 1;
MeasObj->measObject.present = LTE_MeasObjectToAddMod__measObject_PR_measObjectEUTRA;
MeasObj->measObject.choice.measObjectEUTRA.carrierFreq =
to_earfcn_DL(RC.rrc[ctxt_pP->module_id]->configuration.eutra_band[0],
RC.rrc[ctxt_pP->module_id]->configuration.downlink_frequency[0],
RC.rrc[ctxt_pP->module_id]->configuration.N_RB_DL[0]);
MeasObj->measObject.choice.measObjectEUTRA.allowedMeasBandwidth = LTE_AllowedMeasBandwidth_mbw25;
MeasObj->measObject.choice.measObjectEUTRA.presenceAntennaPort1 = 1;
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.buf = CALLOC(1, sizeof(uint8_t));
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.buf[0] = 0;
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.size = 1;
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.bits_unused = 6;
MeasObj->measObject.choice.measObjectEUTRA.offsetFreq = NULL; // Default is 15 or 0dB
if (rrc_inst->carrier[0].sib1->tdd_Config!=NULL) {
MeasObj->measObject.choice.measObjectEUTRA.ext1 = CALLOC(1, sizeof(struct LTE_MeasObjectEUTRA__ext1));
MeasObj->measObject.choice.measObjectEUTRA.ext1->measCycleSCell_r10 = NULL;
MeasObj->measObject.choice.measObjectEUTRA.ext1->measSubframePatternConfigNeigh_r10 = CALLOC(1, sizeof(struct LTE_MeasSubframePatternConfigNeigh_r10));
MeasObj->measObject.choice.measObjectEUTRA.ext1->measSubframePatternConfigNeigh_r10->present=LTE_MeasSubframePatternConfigNeigh_r10_PR_setup;
MeasObj->measObject.choice.measObjectEUTRA.ext1->measSubframePatternConfigNeigh_r10->choice.setup.measSubframePatternNeigh_r10.present=LTE_MeasSubframePattern_r10_PR_subframePatternTDD_r10;
MeasObj->measObject.choice.measObjectEUTRA.ext1->measSubframePatternConfigNeigh_r10->choice.setup.measSubframePatternNeigh_r10.choice.subframePatternTDD_r10.present=
LTE_MeasSubframePattern_r10__subframePatternTDD_r10_PR_subframeConfig1_5_r10;
MeasObj->measObject.choice.measObjectEUTRA.ext1->measSubframePatternConfigNeigh_r10->choice.setup.measSubframePatternNeigh_r10.choice.subframePatternTDD_r10.choice.subframeConfig1_5_r10.buf=CALLOC(3,
sizeof(uint8_t));
MeasObj->measObject.choice.measObjectEUTRA.ext1->measSubframePatternConfigNeigh_r10->choice.setup.measSubframePatternNeigh_r10.choice.subframePatternTDD_r10.choice.subframeConfig1_5_r10.size=3;
MeasObj->measObject.choice.measObjectEUTRA.ext1->measSubframePatternConfigNeigh_r10->choice.setup.measSubframePatternNeigh_r10.choice.subframePatternTDD_r10.choice.subframeConfig1_5_r10.bits_unused=4;
switch (rrc_inst->carrier[0].sib1->tdd_Config->subframeAssignment) {
case 1: //subframe 0,4,5,9
MeasObj->measObject.choice.measObjectEUTRA.ext1->measSubframePatternConfigNeigh_r10->choice.setup.measSubframePatternNeigh_r10.choice.subframePatternTDD_r10.choice.subframeConfig1_5_r10.buf[0]=0x8C;
MeasObj->measObject.choice.measObjectEUTRA.ext1->measSubframePatternConfigNeigh_r10->choice.setup.measSubframePatternNeigh_r10.choice.subframePatternTDD_r10.choice.subframeConfig1_5_r10.buf[1]=0x63;
MeasObj->measObject.choice.measObjectEUTRA.ext1->measSubframePatternConfigNeigh_r10->choice.setup.measSubframePatternNeigh_r10.choice.subframePatternTDD_r10.choice.subframeConfig1_5_r10.buf[2]=0x10;
break;
default: //subframe 0 , 5
MeasObj->measObject.choice.measObjectEUTRA.ext1->measSubframePatternConfigNeigh_r10->choice.setup.measSubframePatternNeigh_r10.choice.subframePatternTDD_r10.choice.subframeConfig1_5_r10.buf[0]=0x84;
MeasObj->measObject.choice.measObjectEUTRA.ext1->measSubframePatternConfigNeigh_r10->choice.setup.measSubframePatternNeigh_r10.choice.subframePatternTDD_r10.choice.subframeConfig1_5_r10.buf[1]=0x21;
MeasObj->measObject.choice.measObjectEUTRA.ext1->measSubframePatternConfigNeigh_r10->choice.setup.measSubframePatternNeigh_r10.choice.subframePatternTDD_r10.choice.subframeConfig1_5_r10.buf[2]=0x00;
break;
}
}
MeasObj->measObject.choice.measObjectEUTRA.cellsToAddModList =
(LTE_CellsToAddModList_t *) CALLOC(1, sizeof(*CellsToAddModList));
CellsToAddModList = MeasObj->measObject.choice.measObjectEUTRA.cellsToAddModList;
//=======
// MeasObj->measObject.choice.measObjectEUTRA.offsetFreq = (LTE_Q_OffsetRange_t *) CALLOC(1,sizeof(LTE_Q_OffsetRange_t));
// *(MeasObj->measObject.choice.measObjectEUTRA.offsetFreq) = ue_context_pP->ue_context.measurement_info->offsetFreq; // Default is 15 or 0dB
//>>>>>>> origin/OAI_develop
if (RC.rrc[ctxt_pP->module_id]->num_neigh_cells > 0) {
MeasObj->measObject.choice.measObjectEUTRA.cellsToAddModList =
(LTE_CellsToAddModList_t *) CALLOC(1, sizeof(*CellsToAddModList));
CellsToAddModList = MeasObj->measObject.choice.measObjectEUTRA.cellsToAddModList;
}
/* TODO: Extend to multiple carriers */
// Add adjacent cell lists (max 6 per eNB)
for (i = 0; i < RC.rrc[ctxt_pP->module_id]->num_neigh_cells; i++) {
CellToAdd = (LTE_CellsToAddMod_t *) CALLOC(1, sizeof(*CellToAdd));
CellToAdd->cellIndex = i + 1;
CellToAdd->physCellId = RC.rrc[ctxt_pP->module_id]->neigh_cells_id[i][0];//get_adjacent_cell_id(ctxt_pP->module_id, i);
CellToAdd->cellIndividualOffset = ue_context_pP->ue_context.measurement_info->cellIndividualOffset[i+1];
ASN_SEQUENCE_ADD(&CellsToAddModList->list, CellToAdd);
}
ASN_SEQUENCE_ADD(&MeasObj_list->list, MeasObj);
// LTE_RRCConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.measConfig->measObjectToAddModList = MeasObj_list;
// Report Configurations for periodical, A1-A5 events
ReportConfig_list = CALLOC(1, sizeof(*ReportConfig_list));
ReportConfig_per = CALLOC(1, sizeof(*ReportConfig_per));
ReportConfig_A1 = CALLOC(1, sizeof(*ReportConfig_A1));
ReportConfig_A2 = CALLOC(1, sizeof(*ReportConfig_A2));
ReportConfig_A3 = CALLOC(1, sizeof(*ReportConfig_A3));
ReportConfig_A4 = CALLOC(1, sizeof(*ReportConfig_A4));
ReportConfig_A5 = CALLOC(1, sizeof(*ReportConfig_A5));
ReportConfig_per->reportConfigId = 1;
ReportConfig_per->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_periodical;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.triggerType.choice.periodical.purpose =
LTE_ReportConfigEUTRA__triggerType__periodical__purpose_reportStrongestCells;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.triggerQuantity = LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_per);
ReportConfig_A1->reportConfigId = 2;
ReportConfig_A1->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA1;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA1.
a1_Threshold.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA1.
a1_Threshold.choice.threshold_RSRP = 10;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerQuantity = LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A1);
//if (ho_state == 1 /*HO_MEASURMENT */ ) {
LOG_I(RRC, "[eNB %d] frame %d: requesting A2, A3, A4, and A5 event reporting\n",
ctxt_pP->module_id, ctxt_pP->frame);
ReportConfig_A2->reportConfigId = 3;
ReportConfig_A2->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA2;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA2.a2_Threshold.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA2.a2_Threshold.choice.threshold_RSRP = 10;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A2);
ReportConfig_A3->reportConfigId = 4;
ReportConfig_A3->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA3;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA3.a3_Offset = ue_context_pP->ue_context.measurement_info->events->a3_event->a3_offset;//10;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA3.reportOnLeave = ue_context_pP->ue_context.measurement_info->events->a3_event->reportOnLeave;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.maxReportCells = ue_context_pP->ue_context.measurement_info->events->a3_event->maxReportCells;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.hysteresis = ue_context_pP->ue_context.measurement_info->events->a3_event->hysteresis;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.timeToTrigger =
ue_context_pP->ue_context.measurement_info->events->a3_event->timeToTrigger;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A3);
ReportConfig_A4->reportConfigId = 5;
ReportConfig_A4->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA4;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA4.a4_Threshold.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA4.a4_Threshold.choice.threshold_RSRP = 10;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A4);
ReportConfig_A5->reportConfigId = 6;
ReportConfig_A5->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA5;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold1.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold2.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold1.choice.threshold_RSRP = 10;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold2.choice.threshold_RSRP = 10;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A5);
// LTE_RRCConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.measConfig->reportConfigToAddModList = ReportConfig_list;
#if 0
/* TODO: set a proper value.
* 20 means: UE does not report if RSRP of serving cell is higher
* than -120 dB (see 36.331 5.5.3.1).
* This is too low for the X2 handover experiment.
*/
rsrp = CALLOC(1, sizeof(LTE_RSRP_Range_t));
*rsrp = 20;
#endif
Sparams = CALLOC(1, sizeof(*Sparams));
Sparams->present = LTE_MeasConfig__speedStatePars_PR_setup;
Sparams->choice.setup.timeToTrigger_SF.sf_High = LTE_SpeedStateScaleFactors__sf_Medium_oDot75;
Sparams->choice.setup.timeToTrigger_SF.sf_Medium = LTE_SpeedStateScaleFactors__sf_High_oDot5;
Sparams->choice.setup.mobilityStateParameters.n_CellChangeHigh = 10;
Sparams->choice.setup.mobilityStateParameters.n_CellChangeMedium = 5;
Sparams->choice.setup.mobilityStateParameters.t_Evaluation = LTE_MobilityStateParameters__t_Evaluation_s60;
Sparams->choice.setup.mobilityStateParameters.t_HystNormal = LTE_MobilityStateParameters__t_HystNormal_s120;
quantityConfig = CALLOC(1, sizeof(*quantityConfig));
memset((void *)quantityConfig, 0, sizeof(*quantityConfig));
quantityConfig->quantityConfigEUTRA = CALLOC(1, sizeof(struct LTE_QuantityConfigEUTRA));
memset((void *)quantityConfig->quantityConfigEUTRA, 0, sizeof(*quantityConfig->quantityConfigEUTRA));
quantityConfig->quantityConfigCDMA2000 = NULL;
quantityConfig->quantityConfigGERAN = NULL;
quantityConfig->quantityConfigUTRA = NULL;
quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP =
CALLOC(1, sizeof(*(quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP)));
quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ =
CALLOC(1, sizeof(*(quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ)));
*quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP = ue_context_pP->ue_context.measurement_info->filterCoefficientRSRP;
*quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ = ue_context_pP->ue_context.measurement_info->filterCoefficientRSRQ;
/* Initialize NAS list */
dedicatedInfoNASList = CALLOC(1, sizeof(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList));
/* Add all NAS PDUs to the list */
for (i = 0; i < ue_context_pP->ue_context.nb_of_e_rabs; i++) {
if (ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer != NULL) {
dedicatedInfoNas = CALLOC(1, sizeof(LTE_DedicatedInfoNAS_t));
memset(dedicatedInfoNas, 0, sizeof(OCTET_STRING_t));
OCTET_STRING_fromBuf(dedicatedInfoNas,
(char *)ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer,
ue_context_pP->ue_context.e_rab[i].param.nas_pdu.length);
ASN_SEQUENCE_ADD(&dedicatedInfoNASList->list, dedicatedInfoNas);
}
/* TODO parameters yet to process ... */
{
// ue_context_pP->ue_context.e_rab[i].param.qos;
// ue_context_pP->ue_context.e_rab[i].param.sgw_addr;
// ue_context_pP->ue_context.e_rab[i].param.gtp_teid;
}
/* TODO should test if e RAB are OK before! */
ue_context_pP->ue_context.e_rab[i].status = E_RAB_STATUS_DONE;
LOG_D(RRC, "setting the status for the default DRB (index %d) to (%d,%s)\n",
i, ue_context_pP->ue_context.e_rab[i].status, "E_RAB_STATUS_DONE");
}
/* If list is empty free the list and reset the address */
if (dedicatedInfoNASList->list.count == 0) {
free(dedicatedInfoNASList);
dedicatedInfoNASList = NULL;
}
measurements_enabled = RC.rrc[ENB_INSTANCE_TO_MODULE_ID(ctxt_pP->instance)]->configuration.enable_x2 ||
RC.rrc[ENB_INSTANCE_TO_MODULE_ID(ctxt_pP->instance)]->configuration.enable_measurement_reports;
memset(buffer, 0, RRC_BUF_SIZE);
size = do_RRCConnectionReconfiguration(ctxt_pP,
buffer,
xid, // Transaction_id,
(LTE_SRB_ToAddModList_t *) *SRB_configList2, // SRB_configList
(LTE_DRB_ToAddModList_t *) *DRB_configList,
(LTE_DRB_ToReleaseList_t *) NULL, // DRB2_list,
(struct LTE_SPS_Config *) NULL, // *sps_Config,
(struct LTE_PhysicalConfigDedicated *) *physicalConfigDedicated,
measurements_enabled ? (LTE_MeasObjectToAddModList_t *) MeasObj_list : NULL,
measurements_enabled ? (LTE_ReportConfigToAddModList_t *) ReportConfig_list : NULL,
measurements_enabled ? (LTE_QuantityConfig_t *) quantityConfig : NULL,
measurements_enabled ? (LTE_MeasIdToAddModList_t *) MeasId_list : NULL,
(LTE_MAC_MainConfig_t *) mac_MainConfig,
(LTE_MeasGapConfig_t *) NULL,
(LTE_MobilityControlInfo_t *) NULL,
(LTE_SecurityConfigHO_t *) NULL,
(struct LTE_MeasConfig__speedStatePars *) Sparams,
(LTE_RSRP_Range_t *) rsrp,
(LTE_C_RNTI_t *) cba_RNTI,
(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *) dedicatedInfoNASList,
(LTE_SL_CommConfig_r12_t *) NULL,
(LTE_SL_DiscConfig_r12_t *) NULL,
(LTE_SCellToAddMod_r10_t *) NULL
);
LOG_DUMPMSG(RRC, DEBUG_RRC,(char *)buffer, size, "[MSG] RRC Connection Reconfiguration\n");
/* Free all NAS PDUs */
for (i = 0; i < ue_context_pP->ue_context.nb_of_e_rabs; i++) {
if (ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer != NULL) {
/* Free the NAS PDU buffer and invalidate it */
free(ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer);
ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer = NULL;
}
}
LOG_I(RRC, "[eNB %d] Frame %d, Logical Channel DL-DCCH, Generate LTE_RRCConnectionReconfiguration (bytes %d, UE id %x)\n",
ctxt_pP->module_id,
ctxt_pP->frame,
size,
ue_context_pP->ue_context.rnti);
LOG_D(RRC, "[FRAME %05d][RRC_eNB][MOD %u][][--- PDCP_DATA_REQ/%d Bytes (rrcConnectionReconfiguration to UE %x MUI %d) --->][PDCP][MOD %u][RB %u]\n",
ctxt_pP->frame,
ctxt_pP->module_id,
size,
ue_context_pP->ue_context.rnti,
rrc_eNB_mui,
ctxt_pP->module_id,
DCCH);
MSC_LOG_TX_MESSAGE(MSC_RRC_ENB,
MSC_RRC_UE,
buffer,
size,
MSC_AS_TIME_FMT" LTE_RRCConnectionReconfiguration UE %x MUI %d size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
rrc_eNB_mui,
size);
rrc_data_req(ctxt_pP,
DCCH,
rrc_eNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
free(quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ);
quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ = NULL;
free(quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP);
quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP = NULL;
free(quantityConfig->quantityConfigEUTRA);
quantityConfig->quantityConfigEUTRA = NULL;
free(quantityConfig);
quantityConfig = NULL;
}
//-----------------------------------------------------------------------------
int
rrc_eNB_generate_RRCConnectionReconfiguration_SCell(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP,
uint32_t dl_CarrierFreq_r10
)
//-----------------------------------------------------------------------------
{
uint8_t size;
uint8_t buffer[100];
uint8_t sCellIndexToAdd = 0; //one SCell so far
// uint8_t sCellIndexToAdd;
// sCellIndexToAdd = rrc_find_free_SCell_index(enb_mod_idP, ue_mod_idP, 1);
// if (RC.rrc[enb_mod_idP]->sCell_config[ue_mod_idP][sCellIndexToAdd] ) {
if (ue_context_pP->ue_context.sCell_config != NULL) {
ue_context_pP->ue_context.sCell_config[sCellIndexToAdd].cellIdentification_r10->dl_CarrierFreq_r10 = dl_CarrierFreq_r10;
} else {
LOG_E(RRC,"Scell not configured!\n");
return(-1);
}
size = do_RRCConnectionReconfiguration(ctxt_pP,
buffer,
rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id),//Transaction_id,
(LTE_SRB_ToAddModList_t *)NULL,
(LTE_DRB_ToAddModList_t *)NULL,
(LTE_DRB_ToReleaseList_t *)NULL,
(struct LTE_SPS_Config *)NULL,
(struct LTE_PhysicalConfigDedicated *)NULL,
(LTE_MeasObjectToAddModList_t *)NULL,
(LTE_ReportConfigToAddModList_t *)NULL,
(LTE_QuantityConfig_t *)NULL,
(LTE_MeasIdToAddModList_t *)NULL,
(LTE_MAC_MainConfig_t *)NULL,
(LTE_MeasGapConfig_t *)NULL,
(LTE_MobilityControlInfo_t *)NULL,
(LTE_SecurityConfigHO_t *)NULL,
(struct LTE_MeasConfig__speedStatePars *)NULL,
(LTE_RSRP_Range_t *)NULL,
(LTE_C_RNTI_t *)NULL,
(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *)NULL,
(LTE_SL_CommConfig_r12_t *)NULL,
(LTE_SL_DiscConfig_r12_t *)NULL,
ue_context_pP->ue_context.sCell_config
);
LOG_I(RRC,"[eNB %d] Frame %d, Logical Channel DL-DCCH, Generate LTE_RRCConnectionReconfiguration (bytes %d, UE id %x)\n",
ctxt_pP->module_id,ctxt_pP->frame, size, ue_context_pP->ue_context.rnti);
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
buffer,
size,
MSC_AS_TIME_FMT" LTE_RRCConnectionReconfiguration UE %x MUI %d size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
rrc_eNB_mui,
size);
rrc_data_req(
ctxt_pP,
DCCH,
rrc_eNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
return(0);
}
//-----------------------------------------------------------------------------
/**
* @fn :encode_CG_ConfigInfo
* @param :enc_buf to store the encoded bits
* @param :ue_context_pP ue context used to fill CG-ConfigInfo
* @param :enc_size to store thre size of encoded size
* this api is to fill and encode CG-ConfigInfo
*/
static int encode_CG_ConfigInfo(
char *buffer,
int buffer_size,
rrc_eNB_ue_context_t *const ue_context_pP,
int *enc_size
) {
struct NR_CG_ConfigInfo *cg_configinfo = NULL;
struct NR_RadioBearerConfig *rb_config = NULL;
asn_enc_rval_t enc_rval;
int RRC_OK = 1;
int index = 0;
char temp_buff[ASN_MAX_ENCODE_SIZE];
NR_UE_CapabilityRAT_ContainerList_t *ue_cap_rat_container_list = NULL;
NR_UE_CapabilityRAT_Container_t *ue_cap_rat_container_MRDC = NULL;
NR_UE_CapabilityRAT_Container_t *ue_cap_rat_container_nr = NULL;
int RAT_Container_count = 0;
rb_config = calloc(1,sizeof(struct NR_RadioBearerConfig));
AssertFatal(rb_config != NULL,"failed to allocate memory for rb_config");
if(ue_context_pP->ue_context.DRB_configList->list.count != 0) {
rb_config->drb_ToAddModList = calloc(1,sizeof(struct NR_DRB_ToAddModList ));
AssertFatal(rb_config->drb_ToAddModList != NULL,"failed to allocated memory for drbtoaddmodlist");
rb_config->drb_ToAddModList->list.count = NUMBEROF_DRBS_TOBE_ADDED;
rb_config->drb_ToAddModList->list.array
= calloc(NUMBEROF_DRBS_TOBE_ADDED, sizeof(struct NR_DRB_ToAddMod *));
AssertFatal( rb_config->drb_ToAddModList->list.array != NULL,
"falied to allocate memory for list.array");
for(index = 0; index < NUMBEROF_DRBS_TOBE_ADDED; index++) {
rb_config->drb_ToAddModList->list.array[index]
= calloc(1,sizeof(struct NR_DRB_ToAddMod));
AssertFatal(rb_config->drb_ToAddModList->list.array[index] != NULL,
"failed to allocate memory for drb_toaddmod");
rb_config->drb_ToAddModList->list.array[index]->drb_Identity
= ue_context_pP->ue_context.DRB_configList->list.array[index]->drb_Identity;
if(ue_context_pP->ue_context.DRB_configList->list.array[index]->eps_BearerIdentity) {
rb_config->drb_ToAddModList->list.array[index]->cnAssociation
= calloc(1,sizeof(struct NR_DRB_ToAddMod__cnAssociation));
AssertFatal(rb_config->drb_ToAddModList->list.array[index]->cnAssociation != NULL,
"failed to allocate memory cnAssociation");
rb_config->drb_ToAddModList->list.array[index]->cnAssociation->present
= NR_DRB_ToAddMod__cnAssociation_PR_eps_BearerIdentity;
rb_config->drb_ToAddModList->list.array[index]->cnAssociation->choice.eps_BearerIdentity
= *(ue_context_pP->ue_context.DRB_configList->list.array[index]->eps_BearerIdentity);
}
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config = calloc(1,sizeof(struct NR_PDCP_Config));
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb = calloc(1,sizeof(struct NR_PDCP_Config__drb));
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->discardTimer = calloc(1,sizeof(long));
*rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->discardTimer
= *(ue_context_pP->ue_context.DRB_configList->list.array[index]->pdcp_Config->discardTimer);
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->pdcp_SN_SizeUL = calloc(1,sizeof(long));
*rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->pdcp_SN_SizeUL
= NR_PDCP_Config__drb__pdcp_SN_SizeUL_len18bits;
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->pdcp_SN_SizeDL = calloc(1,sizeof(long));
*rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->pdcp_SN_SizeDL
= NR_PDCP_Config__drb__pdcp_SN_SizeDL_len18bits;
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->headerCompression.present
= NR_PDCP_Config__drb__headerCompression_PR_notUsed;
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->drb->headerCompression.choice.notUsed = 0;
rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->t_Reordering = calloc(1,sizeof(long));
*rb_config->drb_ToAddModList->list.array[index]->pdcp_Config->t_Reordering
= NR_PDCP_Config__t_Reordering_ms0;
}
rb_config->securityConfig = calloc(1,sizeof(struct NR_SecurityConfig ));
rb_config->securityConfig->securityAlgorithmConfig = calloc(1,sizeof(struct NR_SecurityAlgorithmConfig));
rb_config->securityConfig->securityAlgorithmConfig->cipheringAlgorithm = NR_CipheringAlgorithm_nea0;
rb_config->securityConfig->securityAlgorithmConfig->integrityProtAlgorithm = NULL;
rb_config->securityConfig->keyToUse = calloc(1,sizeof(long));
*rb_config->securityConfig->keyToUse = NR_SecurityConfig__keyToUse_master;
}
cg_configinfo = calloc(1,sizeof(struct NR_CG_ConfigInfo));
AssertFatal(cg_configinfo != NULL,"failed to allocate memory for cg_configinfo");
cg_configinfo->criticalExtensions.present = NR_CG_ConfigInfo__criticalExtensions_PR_c1;
cg_configinfo->criticalExtensions.choice.c1
= calloc(1, sizeof(struct NR_CG_ConfigInfo__criticalExtensions__c1));
AssertFatal(cg_configinfo->criticalExtensions.choice.c1 != NULL,
"failed to allocate memory for cg_configinfo->criticalExtensions.choice.c1");
cg_configinfo->criticalExtensions.choice.c1->present
= NR_CG_ConfigInfo__criticalExtensions__c1_PR_cg_ConfigInfo;
cg_configinfo->criticalExtensions.choice.c1->choice.cg_ConfigInfo
= calloc(1,sizeof(struct NR_CG_ConfigInfo_IEs));
AssertFatal(cg_configinfo->criticalExtensions.choice.c1->choice.cg_ConfigInfo != NULL,
"failed to allocate memory for cg_configinfo_IEs");
if(ue_context_pP->ue_context.UE_Capability_MRDC) {
RAT_Container_count++;
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_UE_MRDC_Capability,NULL,
(void *)ue_context_pP->ue_context.UE_Capability_MRDC,temp_buff,ASN_MAX_ENCODE_SIZE);
AssertFatal(enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %jd)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
ue_cap_rat_container_MRDC = calloc(1, sizeof(*ue_cap_rat_container_MRDC));
AssertFatal(ue_cap_rat_container_MRDC != NULL,"failed to allocate memory for ue_cap_rat_container_MRDC");
ue_cap_rat_container_MRDC->rat_Type = NR_RAT_Type_eutra_nr;
OCTET_STRING_fromBuf(&ue_cap_rat_container_MRDC->ue_CapabilityRAT_Container,
(const char *)temp_buff,(enc_rval.encoded+7)>>3);
memset((void *)temp_buff,0,sizeof(temp_buff));
}
if(ue_context_pP->ue_context.UE_Capability_nr) {
RAT_Container_count++;
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_UE_NR_Capability,NULL,
(void *)ue_context_pP->ue_context.UE_Capability_nr,temp_buff,ASN_MAX_ENCODE_SIZE);
AssertFatal(enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %jd)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
ue_cap_rat_container_nr = calloc(1, sizeof(*ue_cap_rat_container_nr));
AssertFatal(ue_cap_rat_container_nr != NULL,"failed to allocate memory for ue_cap_rat_container_nr");
ue_cap_rat_container_nr->rat_Type = NR_RAT_Type_nr;
OCTET_STRING_fromBuf(&ue_cap_rat_container_nr->ue_CapabilityRAT_Container,
(const char *)temp_buff,(enc_rval.encoded+7)>>3);
memset((void *)temp_buff,0,sizeof(temp_buff));
}
if (RAT_Container_count) {
cg_configinfo->criticalExtensions.choice.c1->choice.cg_ConfigInfo->ue_CapabilityInfo = calloc(1,sizeof( OCTET_STRING_t));
AssertFatal(cg_configinfo->criticalExtensions.choice.c1->choice.cg_ConfigInfo-> ue_CapabilityInfo != NULL, "failed to allocate memory for ue_capabilityinfo");
ue_cap_rat_container_list = calloc(1,sizeof(NR_UE_CapabilityRAT_ContainerList_t));
if (ue_cap_rat_container_MRDC != NULL)
ASN_SEQUENCE_ADD(&ue_cap_rat_container_list->list, ue_cap_rat_container_MRDC);
if (ue_cap_rat_container_nr != NULL)
ASN_SEQUENCE_ADD(&ue_cap_rat_container_list->list, ue_cap_rat_container_nr);
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_UE_CapabilityRAT_ContainerList,NULL,
(void *)ue_cap_rat_container_list,temp_buff,ASN_MAX_ENCODE_SIZE);
AssertFatal(enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %jd)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
OCTET_STRING_fromBuf(cg_configinfo->criticalExtensions.choice.c1->choice.cg_ConfigInfo->ue_CapabilityInfo,
(const char *)temp_buff, (enc_rval.encoded+7)>>3);
}
cg_configinfo->criticalExtensions.choice.c1->choice.cg_ConfigInfo->mcg_RB_Config
= calloc(1,sizeof(OCTET_STRING_t));
AssertFatal(cg_configinfo->criticalExtensions.choice.c1->choice.cg_ConfigInfo->
mcg_RB_Config != NULL, "failed to allocate memory for mcg_rb_config");
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_RadioBearerConfig,NULL,(void *)rb_config,temp_buff,ASN_MAX_ENCODE_SIZE);
AssertFatal(enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %jd)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
OCTET_STRING_fromBuf(cg_configinfo->criticalExtensions.choice.c1->choice.cg_ConfigInfo->mcg_RB_Config,
(const char *)temp_buff, (enc_rval.encoded+7)>>3);
// this xer_fprint can be enabled for additional debugging messages
// xer_fprint(stdout,&asn_DEF_NR_CG_ConfigInfo,(void *)cg_configinfo);
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_CG_ConfigInfo,NULL,(void *)cg_configinfo,
buffer,buffer_size);
AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %lu)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
*enc_size = (enc_rval.encoded+7)/8;
ASN_STRUCT_FREE(asn_DEF_NR_RadioBearerConfig,rb_config);
ASN_STRUCT_FREE(asn_DEF_NR_CG_ConfigInfo,cg_configinfo);
ASN_STRUCT_FREE(asn_DEF_NR_UE_CapabilityRAT_ContainerList,ue_cap_rat_container_list);
return RRC_OK;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void
rrc_eNB_process_MeasurementReport(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *ue_context_pP,
const LTE_MeasResults_t *const measResults2
)
//-----------------------------------------------------------------------------
{
int i=0;
int neighboring_cells=-1;
int ncell_index = 0;
long ncell_max = -150;
uint32_t earfcn_dl;
uint8_t KeNB_star[32] = { 0 };
char enc_buf[ASN_MAX_ENCODE_SIZE] = {0};
int enc_size = 0;
T(T_ENB_RRC_MEASUREMENT_REPORT, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
if (measResults2 == NULL )
return;
if (measResults2->measId > 0 ) {
if (ue_context_pP->ue_context.measResults == NULL) {
ue_context_pP->ue_context.measResults = CALLOC(1, sizeof(LTE_MeasResults_t));
}
ue_context_pP->ue_context.measResults->measId=measResults2->measId;
switch (measResults2->measId) {
case 1:
LOG_D(RRC,"Periodic report at frame %d and subframe %d \n", ctxt_pP->frame, ctxt_pP->subframe);
break;
case 2:
LOG_D(RRC,"A1 event report (Serving becomes better than absolute threshold) at frame %d and subframe %d \n", ctxt_pP->frame, ctxt_pP->subframe);
break;
case 3:
LOG_D(RRC,"A2 event report (Serving becomes worse than absolute threshold) at frame %d and subframe %d \n", ctxt_pP->frame, ctxt_pP->subframe);
break;
case 4:
LOG_D(RRC,"A3 event report (Neighbour becomes amount of offset better than PCell) at frame %d and subframe %d \n", ctxt_pP->frame, ctxt_pP->subframe);
break;
case 5:
LOG_D(RRC,"A4 event report (Neighbour becomes better than absolute threshold) at frame %d and subframe %d \n", ctxt_pP->frame, ctxt_pP->subframe);
break;
case 6:
LOG_D(RRC,"A5 event report (PCell becomes worse than absolute threshold1 AND Neighbour becomes better than another absolute threshold2) at frame %d and subframe %d \n", ctxt_pP->frame,
ctxt_pP->subframe);
break;
case 7:
LOG_D(RRC, "NR event frame %d subframe %d\n", ctxt_pP->frame, ctxt_pP->subframe);
printf("NR event frame %d subframe %d\n", ctxt_pP->frame, ctxt_pP->subframe);
break;
default:
LOG_D(RRC,"Other event report frame %d and subframe %d \n", ctxt_pP->frame, ctxt_pP->subframe);
break;
}
ue_context_pP->ue_context.measResults->measResultPCell.rsrpResult=measResults2->measResultPCell.rsrpResult;
ue_context_pP->ue_context.measResults->measResultPCell.rsrqResult=measResults2->measResultPCell.rsrqResult;
LOG_D(RRC, "[eNB %d]Frame %d: UE %x (Measurement Id %d): RSRP of Source %ld\n", ctxt_pP->module_id, ctxt_pP->frame, ctxt_pP->rnti, (int)measResults2->measId,
ue_context_pP->ue_context.measResults->measResultPCell.rsrpResult-140);
LOG_D(RRC, "[eNB %d]Frame %d: UE %x (Measurement Id %d): RSRQ of Source %ld\n", ctxt_pP->module_id, ctxt_pP->frame, ctxt_pP->rnti, (int)measResults2->measId,
ue_context_pP->ue_context.measResults->measResultPCell.rsrqResult/2 - 20);
}
/* TODO: improve NR triggering */
if (measResults2->measId == 7) {
if ((ue_context_pP->ue_context.Status != RRC_NR_NSA) && (ue_context_pP->ue_context.Status != RRC_NR_NSA_RECONFIGURED)) {
MessageDef *msg;
ue_context_pP->ue_context.Status = RRC_NR_NSA;
ue_context_pP->ue_context.gnb_rnti = -1; // set when receiving X2AP_ENDC_SGNB_ADDITION_REQ_ACK
ue_context_pP->ue_context.gnb_x2_assoc_id = -1; // set when receiving X2AP_ENDC_SGNB_ADDITION_REQ_ACK
if(is_en_dc_supported(ue_context_pP->ue_context.UE_Capability)) {
/** to add gNB as Secondary node CG-ConfigInfo to be added as per 36.423 r15 **/
if(encode_CG_ConfigInfo(enc_buf,sizeof(enc_buf),ue_context_pP,&enc_size) == RRC_OK)
LOG_I(RRC,"CG-ConfigInfo encoded successfully\n");
msg = itti_alloc_new_message(TASK_RRC_ENB, 0, X2AP_ENDC_SGNB_ADDITION_REQ);
memset(&(X2AP_ENDC_SGNB_ADDITION_REQ(msg)), 0, sizeof(x2ap_ENDC_sgnb_addition_req_t));
X2AP_ENDC_SGNB_ADDITION_REQ(msg).rnti = ctxt_pP->rnti;
memcpy(X2AP_ENDC_SGNB_ADDITION_REQ(msg).rrc_buffer,enc_buf,enc_size);
X2AP_ENDC_SGNB_ADDITION_REQ(msg).rrc_buffer_size = enc_size;
X2AP_ENDC_SGNB_ADDITION_REQ(msg).target_physCellId
= measResults2->measResultNeighCells->choice.measResultListEUTRA.list.array[0]->physCellId;
//For the moment we have a single E-RAB which will be the one to be added to the gNB
//Not sure how to select bearers to be added if there are multiple.
X2AP_ENDC_SGNB_ADDITION_REQ(msg).nb_e_rabs_tobeadded = 1;
for (int e_rab=0; e_rab < X2AP_ENDC_SGNB_ADDITION_REQ(msg).nb_e_rabs_tobeadded; e_rab++) {
X2AP_ENDC_SGNB_ADDITION_REQ(msg).e_rabs_tobeadded[e_rab].e_rab_id = ue_context_pP->ue_context.e_rab[e_rab].param.e_rab_id;
X2AP_ENDC_SGNB_ADDITION_REQ(msg).e_rabs_tobeadded[e_rab].gtp_teid = ue_context_pP->ue_context.e_rab[e_rab].param.gtp_teid;
X2AP_ENDC_SGNB_ADDITION_REQ(msg).e_rabs_tobeadded[e_rab].drb_ID = ue_context_pP->ue_context.DRB_configList->list.array[e_rab]->drb_Identity;
memcpy(&X2AP_ENDC_SGNB_ADDITION_REQ(msg).e_rabs_tobeadded[e_rab].sgw_addr,
&ue_context_pP->ue_context.e_rab[e_rab].param.sgw_addr,
sizeof(transport_layer_addr_t));
}
LOG_I(RRC,
"[eNB %d] frame %d subframe %d: UE rnti %x switching to NSA mode\n",
ctxt_pP->module_id, ctxt_pP->frame, ctxt_pP->subframe, ctxt_pP->rnti);
itti_send_msg_to_task(TASK_X2AP, ENB_MODULE_ID_TO_INSTANCE(ctxt_pP->module_id), msg);
return;
}
}
}
if (measResults2->measResultNeighCells == NULL)
return;
if (measResults2->measResultNeighCells->choice.measResultListEUTRA.list.count > 0) {
neighboring_cells = measResults2->measResultNeighCells->choice.measResultListEUTRA.list.count;
if (ue_context_pP->ue_context.measResults->measResultNeighCells == NULL) {
ue_context_pP->ue_context.measResults->measResultNeighCells = CALLOC(1, sizeof(*ue_context_pP->ue_context.measResults->measResultNeighCells));
}
for (i=0; i < neighboring_cells; i++) {
if (i>=ue_context_pP->ue_context.measResults->measResultNeighCells->choice.measResultListEUTRA.list.count) {
//printf("NeighCells number: %d \n", ue_context_pP->ue_context.measResults->measResultNeighCells->choice.measResultListEUTRA.list.count);
ASN_SEQUENCE_ADD(&ue_context_pP->ue_context.measResults->measResultNeighCells->choice.measResultListEUTRA.list,measResults2->measResultNeighCells->choice.measResultListEUTRA.list.array[i]);
}
ue_context_pP->ue_context.measResults->measResultNeighCells->choice.measResultListEUTRA.list.array[i]->physCellId =
measResults2->measResultNeighCells->choice.measResultListEUTRA.list.array[i]->physCellId;
ue_context_pP->ue_context.measResults->measResultNeighCells->choice.measResultListEUTRA.list.array[i]->measResult.rsrpResult =
measResults2->measResultNeighCells->choice.measResultListEUTRA.list.array[i]->measResult.rsrpResult;
ue_context_pP->ue_context.measResults->measResultNeighCells->choice.measResultListEUTRA.list.array[i]->measResult.rsrqResult =
measResults2->measResultNeighCells->choice.measResultListEUTRA.list.array[i]->measResult.rsrqResult;
LOG_D(RRC, "Physical Cell Id %d\n",
(int)ue_context_pP->ue_context.measResults->measResultNeighCells->choice.measResultListEUTRA.list.array[i]->physCellId);
LOG_D(RRC, "RSRP of Target %ld\n",
(*ue_context_pP->ue_context.measResults->measResultNeighCells->choice.measResultListEUTRA.list.array[i]->measResult.rsrpResult)-140);
LOG_D(RRC, "RSRQ of Target %ld\n",
(*ue_context_pP->ue_context.measResults->measResultNeighCells->choice.measResultListEUTRA.list.array[i]->measResult.rsrqResult)/2 - 20);
if ( *measResults2->measResultNeighCells->choice.measResultListEUTRA.list.array[i]->measResult.rsrpResult >= ncell_max ) {
ncell_max = *measResults2->measResultNeighCells->choice.measResultListEUTRA.list.array[i]->measResult.rsrpResult;
ncell_index = i;
}
//LOG_D(RRC, "Physical Cell Id2 %d\n",
//(int)measResults2->measResultNeighCells->choice.measResultListEUTRA.list.array[i]->physCellId);
//LOG_D(RRC, "RSRP of Target2 %ld\n",
//(*(measResults2->measResultNeighCells->choice.measResultListEUTRA.list.array[i]->
//measResult.rsrpResult))-140);
//LOG_D(RRC, "RSRQ of Target2 %ld\n",
//(*(measResults2->measResultNeighCells->choice.measResultListEUTRA.list.array[i]->
//measResult.rsrqResult))/2 - 20);
}
}
/* Decide whether to trigger HO or not */
if (!(measResults2->measId == 4))
return;
/* if X2AP is disabled, do nothing */
if (!RC.rrc[ENB_INSTANCE_TO_MODULE_ID(ctxt_pP->instance)]->configuration.enable_x2)
return;
if (RC.rrc[ctxt_pP->module_id]->x2_ho_net_control)
return;
LOG_D(RRC, "A3 event is triggered...\n");
/* if the UE is not in handover mode, start handover procedure */
if (ue_context_pP->ue_context.Status != RRC_HO_EXECUTION) {
MessageDef *msg;
LOG_I(RRC, "Send HO preparation message at frame %d and subframe %d \n", ctxt_pP->frame, ctxt_pP->subframe);
/* HO info struct may not be needed anymore */
ue_context_pP->ue_context.handover_info = CALLOC(1, sizeof(*(ue_context_pP->ue_context.handover_info)));
ue_context_pP->ue_context.Status = RRC_HO_EXECUTION;
ue_context_pP->ue_context.handover_info->state = HO_REQUEST;
/* HO Preparation message */
msg = itti_alloc_new_message(TASK_RRC_ENB, 0, X2AP_HANDOVER_REQ);
rrc_eNB_generate_HandoverPreparationInformation(
ue_context_pP,
X2AP_HANDOVER_REQ(msg).rrc_buffer,
&X2AP_HANDOVER_REQ(msg).rrc_buffer_size);
X2AP_HANDOVER_REQ(msg).rnti = ctxt_pP->rnti;
X2AP_HANDOVER_REQ(msg).target_physCellId = measResults2->measResultNeighCells->choice.
measResultListEUTRA.list.array[ncell_index]->physCellId;
X2AP_HANDOVER_REQ(msg).ue_gummei.mcc = ue_context_pP->ue_context.ue_gummei.mcc;
X2AP_HANDOVER_REQ(msg).ue_gummei.mnc = ue_context_pP->ue_context.ue_gummei.mnc;
X2AP_HANDOVER_REQ(msg).ue_gummei.mnc_len = ue_context_pP->ue_context.ue_gummei.mnc_len;
X2AP_HANDOVER_REQ(msg).ue_gummei.mme_code = ue_context_pP->ue_context.ue_gummei.mme_code;
X2AP_HANDOVER_REQ(msg).ue_gummei.mme_group_id = ue_context_pP->ue_context.ue_gummei.mme_group_id;
// Don't know how to get this ID?
X2AP_HANDOVER_REQ(msg).mme_ue_s1ap_id = ue_context_pP->ue_context.mme_ue_s1ap_id;
X2AP_HANDOVER_REQ(msg).security_capabilities = ue_context_pP->ue_context.security_capabilities;
// compute keNB*
earfcn_dl = (uint32_t)to_earfcn_DL(RC.rrc[ctxt_pP->module_id]->carrier[0].eutra_band, RC.rrc[ctxt_pP->module_id]->carrier[0].dl_CarrierFreq,
RC.rrc[ctxt_pP->module_id]->carrier[0].N_RB_DL);
derive_keNB_star(ue_context_pP->ue_context.kenb, X2AP_HANDOVER_REQ(msg).target_physCellId, earfcn_dl, true, KeNB_star);
memcpy(X2AP_HANDOVER_REQ(msg).kenb, KeNB_star, 32);
X2AP_HANDOVER_REQ(msg).kenb_ncc = ue_context_pP->ue_context.kenb_ncc;
//X2AP_HANDOVER_REQ(msg).ue_ambr=ue_context_pP->ue_context.ue_ambr;
X2AP_HANDOVER_REQ(msg).nb_e_rabs_tobesetup = ue_context_pP->ue_context.setup_e_rabs;
for (int i=0; i<ue_context_pP->ue_context.setup_e_rabs; i++) {
X2AP_HANDOVER_REQ(msg).e_rabs_tobesetup[i].e_rab_id = ue_context_pP->ue_context.e_rab[i].param.e_rab_id;
X2AP_HANDOVER_REQ(msg).e_rabs_tobesetup[i].eNB_addr = ue_context_pP->ue_context.e_rab[i].param.sgw_addr;
X2AP_HANDOVER_REQ(msg).e_rabs_tobesetup[i].gtp_teid = ue_context_pP->ue_context.e_rab[i].param.gtp_teid;
X2AP_HANDOVER_REQ(msg).e_rab_param[i].qos.qci = ue_context_pP->ue_context.e_rab[i].param.qos.qci;
X2AP_HANDOVER_REQ(msg).e_rab_param[i].qos.allocation_retention_priority.priority_level = ue_context_pP->ue_context.e_rab[i].param.qos.allocation_retention_priority.priority_level;
X2AP_HANDOVER_REQ(msg).e_rab_param[i].qos.allocation_retention_priority.pre_emp_capability = ue_context_pP->ue_context.e_rab[i].param.qos.allocation_retention_priority.pre_emp_capability;
X2AP_HANDOVER_REQ(msg).e_rab_param[i].qos.allocation_retention_priority.pre_emp_vulnerability = ue_context_pP->ue_context.e_rab[i].param.qos.allocation_retention_priority.pre_emp_vulnerability;
}
/* TODO: don't do that, X2AP should find the target by itself */
//X2AP_HANDOVER_REQ(msg).target_mod_id = 0;
LOG_I(RRC,
"[eNB %d] Frame %d: potential handover preparation: store the information in an intermediate structure in case of failure\n",
ctxt_pP->module_id, ctxt_pP->frame);
itti_send_msg_to_task(TASK_X2AP, ENB_MODULE_ID_TO_INSTANCE(ctxt_pP->module_id), msg);
} else {
LOG_D(RRC, "[eNB %d] Frame %d: Ignoring MeasReport from UE %x as Handover is in progress... \n", ctxt_pP->module_id, ctxt_pP->frame,
ctxt_pP->rnti);
}
}
//-----------------------------------------------------------------------------
void
rrc_eNB_generate_HandoverPreparationInformation(
//const protocol_ctxt_t* const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP,
uint8_t *buffer,
int *_size
) {
memset(buffer, 0, 8192);
char *ho_buf = (char *) buffer;
int ho_size;
ho_size = do_HandoverPreparation(ho_buf, 8192, ue_context_pP->ue_context.UE_Capability, ue_context_pP->ue_context.UE_Capability_size);
*_size = ho_size;
}
void rrc_eNB_process_x2_setup_request(int mod_id, x2ap_setup_req_t *m) {
if (RC.rrc[mod_id]->num_neigh_cells > MAX_NUM_NEIGH_CELLs) {
LOG_E(RRC, "Error: number of neighbouring cells is exceeded \n");
return;
}
if (m->num_cc > MAX_NUM_CCs) {
LOG_E(RRC, "Error: number of neighbouring cells carriers is exceeded \n");
return;
}
RC.rrc[mod_id]->num_neigh_cells++;
RC.rrc[mod_id]->num_neigh_cells_cc[RC.rrc[mod_id]->num_neigh_cells-1] = m->num_cc;
for (int i=0; i<m->num_cc; i++) {
RC.rrc[mod_id]->neigh_cells_id[RC.rrc[mod_id]->num_neigh_cells-1][i] = m->Nid_cell[i];
}
}
void rrc_eNB_process_x2_setup_response(int mod_id, x2ap_setup_resp_t *m) {
if (RC.rrc[mod_id]->num_neigh_cells > MAX_NUM_NEIGH_CELLs) {
LOG_E(RRC, "Error: number of neighbouring cells is exceeded \n");
return;
}
if (m->num_cc > MAX_NUM_CCs) {
LOG_E(RRC, "Error: number of neighbouring cells carriers is exceeded \n");
return;
}
RC.rrc[mod_id]->num_neigh_cells++;
RC.rrc[mod_id]->num_neigh_cells_cc[RC.rrc[mod_id]->num_neigh_cells-1] = m->num_cc;
for (int i=0; i<m->num_cc; i++) {
RC.rrc[mod_id]->neigh_cells_id[RC.rrc[mod_id]->num_neigh_cells-1][i] = m->Nid_cell[i];
}
}
void rrc_eNB_process_handoverPreparationInformation(int mod_id, x2ap_handover_req_t *m) {
struct rrc_eNB_ue_context_s *ue_context_target_p = NULL;
/* TODO: get proper UE rnti */
int rnti = taus() & 0xffff;
int i;
//global_rnti = rnti;
LTE_HandoverPreparationInformation_t *ho = NULL;
LTE_HandoverPreparationInformation_r8_IEs_t *ho_info;
asn_dec_rval_t dec_rval;
ue_context_target_p = rrc_eNB_get_ue_context(RC.rrc[mod_id], rnti);
if (ue_context_target_p != NULL) {
LOG_E(RRC, "\nError in obtaining free UE id in target eNB for handover \n");
return;
}
ue_context_target_p = rrc_eNB_allocate_new_UE_context(RC.rrc[mod_id]);
if (ue_context_target_p == NULL) {
LOG_E(RRC, "Cannot create new UE context\n");
return;
}
ue_context_target_p->ue_id_rnti = rnti;
ue_context_target_p->ue_context.rnti = rnti;
RB_INSERT(rrc_ue_tree_s, &RC.rrc[mod_id]->rrc_ue_head, ue_context_target_p);
LOG_D(RRC, "eNB %d: Created new UE context uid %u\n", mod_id, ue_context_target_p->local_uid);
ue_context_target_p->ue_context.handover_info = CALLOC(1, sizeof(*(ue_context_target_p->ue_context.handover_info)));
//ue_context_target_p->ue_context.Status = RRC_HO_EXECUTION;
//ue_context_target_p->ue_context.handover_info->state = HO_ACK;
ue_context_target_p->ue_context.handover_info->x2_id = m->x2_id;
ue_context_target_p->ue_context.handover_info->assoc_id = m->target_assoc_id;
memset (ue_context_target_p->ue_context.nh, 0, 32);
ue_context_target_p->ue_context.nh_ncc = -1;
memcpy (ue_context_target_p->ue_context.kenb, m->kenb, 32);
ue_context_target_p->ue_context.kenb_ncc = m->kenb_ncc;
ue_context_target_p->ue_context.security_capabilities.encryption_algorithms = m->security_capabilities.encryption_algorithms;
ue_context_target_p->ue_context.security_capabilities.integrity_algorithms = m->security_capabilities.integrity_algorithms;
dec_rval = uper_decode(NULL,
&asn_DEF_LTE_HandoverPreparationInformation,
(void **)&ho,
m->rrc_buffer,
m->rrc_buffer_size, 0, 0);
if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) {
xer_fprint(stdout, &asn_DEF_LTE_HandoverPreparationInformation, ho);
}
if (dec_rval.code != RC_OK ||
ho->criticalExtensions.present != LTE_HandoverPreparationInformation__criticalExtensions_PR_c1 ||
ho->criticalExtensions.choice.c1.present != LTE_HandoverPreparationInformation__criticalExtensions__c1_PR_handoverPreparationInformation_r8) {
LOG_E(RRC, "could not decode Handover Preparation\n");
abort();
}
ho_info = &ho->criticalExtensions.choice.c1.choice.handoverPreparationInformation_r8;
if (ue_context_target_p->ue_context.UE_Capability) {
LOG_I(RRC, "freeing old UE capabilities for UE %x\n", rnti);
ASN_STRUCT_FREE(asn_DEF_LTE_UE_EUTRA_Capability,
ue_context_target_p->ue_context.UE_Capability);
ue_context_target_p->ue_context.UE_Capability = 0;
}
dec_rval = uper_decode(NULL,
&asn_DEF_LTE_UE_EUTRA_Capability,
(void **)&ue_context_target_p->ue_context.UE_Capability,
ho_info->ue_RadioAccessCapabilityInfo.list.array[0]->ueCapabilityRAT_Container.buf,
ho_info->ue_RadioAccessCapabilityInfo.list.array[0]->ueCapabilityRAT_Container.size, 0, 0);
ue_context_target_p->ue_context.UE_Capability_size = ho_info->ue_RadioAccessCapabilityInfo.list.array[0]->ueCapabilityRAT_Container.size;
if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) {
xer_fprint(stdout, &asn_DEF_LTE_UE_EUTRA_Capability, ue_context_target_p->ue_context.UE_Capability);
}
if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) {
LOG_E(RRC, "Failed to decode UE capabilities (%zu bytes)\n", dec_rval.consumed);
ASN_STRUCT_FREE(asn_DEF_LTE_UE_EUTRA_Capability,
ue_context_target_p->ue_context.UE_Capability);
ue_context_target_p->ue_context.UE_Capability = 0;
}
ue_context_target_p->ue_context.nb_of_e_rabs = m->nb_e_rabs_tobesetup;
ue_context_target_p->ue_context.setup_e_rabs = m->nb_e_rabs_tobesetup;
ue_context_target_p->ue_context.mme_ue_s1ap_id = m->mme_ue_s1ap_id;
ue_context_target_p->ue_context.ue_gummei.mcc = m->ue_gummei.mcc;
ue_context_target_p->ue_context.ue_gummei.mnc = m->ue_gummei.mnc;
ue_context_target_p->ue_context.ue_gummei.mnc_len = m->ue_gummei.mnc_len;
ue_context_target_p->ue_context.ue_gummei.mme_code = m->ue_gummei.mme_code;
ue_context_target_p->ue_context.ue_gummei.mme_group_id = m->ue_gummei.mme_group_id;
LOG_I(RRC, "eNB %d: Update the E-RABS %u\n", mod_id, ue_context_target_p->ue_context.nb_of_e_rabs);
for (i = 0; i < ue_context_target_p->ue_context.nb_of_e_rabs; i++) {
ue_context_target_p->ue_context.e_rab[i].status = E_RAB_STATUS_NEW;
ue_context_target_p->ue_context.e_rab[i].param.e_rab_id = m->e_rabs_tobesetup[i].e_rab_id;
ue_context_target_p->ue_context.e_rab[i].param.sgw_addr = m->e_rabs_tobesetup[i].eNB_addr;
ue_context_target_p->ue_context.e_rab[i].param.gtp_teid= m->e_rabs_tobesetup[i].gtp_teid;
LOG_I(RRC, "eNB %d: Update the UE context after HO, e_rab_id %u gtp_teid %u\n", mod_id,
ue_context_target_p->ue_context.e_rab[i].param.e_rab_id,
ue_context_target_p->ue_context.e_rab[i].param.gtp_teid);
}
rrc_eNB_process_X2AP_TUNNEL_SETUP_REQ(mod_id, ue_context_target_p);
ue_context_target_p->ue_context.Status = RRC_HO_EXECUTION;
ue_context_target_p->ue_context.handover_info->state = HO_ACK;
}
void rrc_eNB_process_handoverCommand(
int mod_id,
struct rrc_eNB_ue_context_s *ue_context,
x2ap_handover_req_ack_t *m) {
asn_dec_rval_t dec_rval;
LTE_HandoverCommand_t *ho = NULL;
dec_rval = uper_decode(
NULL,
&asn_DEF_LTE_HandoverCommand,
(void **)&ho,
m->rrc_buffer,
m->rrc_buffer_size,
0,
0);
if (dec_rval.code != RC_OK ||
ho->criticalExtensions.present != LTE_HandoverCommand__criticalExtensions_PR_c1 ||
ho->criticalExtensions.choice.c1.present != LTE_HandoverCommand__criticalExtensions__c1_PR_handoverCommand_r8) {
LOG_E(RRC, "could not decode Handover Command\n");
abort();
}
unsigned char *buf = ho->criticalExtensions.choice.c1.choice.handoverCommand_r8.handoverCommandMessage.buf;
int size = ho->criticalExtensions.choice.c1.choice.handoverCommand_r8.handoverCommandMessage.size;
if (size > RRC_BUF_SIZE) {
printf("%s:%d: fatal\n", __FILE__, __LINE__);
abort();
}
memcpy(ue_context->ue_context.handover_info->buf, buf, size);
ue_context->ue_context.handover_info->size = size;
}
void rrc_eNB_handover_ue_context_release(
protocol_ctxt_t *const ctxt_pP,
struct rrc_eNB_ue_context_s *ue_context_p) {
int e_rab = 0;
//MessageDef *msg_release_p = NULL;
MessageDef *msg_delete_tunnels_p = NULL;
uint32_t eNB_ue_s1ap_id = ue_context_p->ue_context.eNB_ue_s1ap_id;
//msg_release_p = itti_alloc_new_message(TASK_RRC_ENB, 0, S1AP_UE_CONTEXT_RELEASE);
//itti_send_msg_to_task(TASK_S1AP, ctxt_pP->module_id, msg_release_p);
s1ap_ue_context_release(ctxt_pP->instance, ue_context_p->ue_context.eNB_ue_s1ap_id);
//MSC_LOG_TX_MESSAGE(MSC_RRC_ENB, MSC_GTPU_ENB, NULL,0, "0 GTPV1U_ENB_DELETE_TUNNEL_REQ rnti %x ", eNB_ue_s1ap_id);
msg_delete_tunnels_p = itti_alloc_new_message(TASK_RRC_ENB, 0, GTPV1U_ENB_DELETE_TUNNEL_REQ);
memset(&GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p), 0, sizeof(GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p)));
GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p).rnti = ue_context_p->ue_context.rnti;
GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p).from_gnb = 0;
for (e_rab = 0; e_rab < ue_context_p->ue_context.nb_of_e_rabs; e_rab++) {
GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p).eps_bearer_id[GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p).num_erab++] =
ue_context_p->ue_context.enb_gtp_ebi[e_rab];
// erase data
ue_context_p->ue_context.enb_gtp_teid[e_rab] = 0;
memset(&ue_context_p->ue_context.enb_gtp_addrs[e_rab], 0, sizeof(ue_context_p->ue_context.enb_gtp_addrs[e_rab]));
ue_context_p->ue_context.enb_gtp_ebi[e_rab] = 0;
}
itti_send_msg_to_task(TASK_GTPV1_U, ctxt_pP->module_id, msg_delete_tunnels_p);
struct rrc_ue_s1ap_ids_s *rrc_ue_s1ap_ids = NULL;
rrc_ue_s1ap_ids = rrc_eNB_S1AP_get_ue_ids(RC.rrc[ctxt_pP->module_id], 0, eNB_ue_s1ap_id);
if (rrc_ue_s1ap_ids != NULL) {
rrc_eNB_S1AP_remove_ue_ids(RC.rrc[ctxt_pP->module_id], rrc_ue_s1ap_ids);
}
}
/* This function may be incorrect. */
void rrc_eNB_handover_cancel(
protocol_ctxt_t *const ctxt_pP,
struct rrc_eNB_ue_context_s *ue_context_p) {
int s1_cause = 1; /* 1 = tx2relocoverall-expiry */
rrc_eNB_send_S1AP_UE_CONTEXT_RELEASE_REQ(ctxt_pP->module_id, ue_context_p,
S1AP_CAUSE_RADIO_NETWORK, s1_cause);
}
int
flexran_rrc_eNB_trigger_handover (int mod_id,
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *ue_context_pP,
int target_cell_id) {
uint32_t earfcn_dl;
uint8_t KeNB_star[32] = { 0 };
int cell_found = 0;
/* if X2AP is disabled, do nothing */
if (!is_x2ap_enabled()) {
LOG_E(RRC, "X2 is disabled\n");
return -1;
}
/* Check if eNB id belongs to the supported ones-Extend for multiple carrieres */
for (int i=0; i < RC.rrc[mod_id]->num_neigh_cells; i++) {
if (RC.rrc[mod_id]->neigh_cells_id[i][0] == target_cell_id) {
cell_found = 1;
break;
}
}
/* Check if eNB id was found */
if (!cell_found) {
LOG_E(RRC, "%s(): cannot find target eNB with phyCellId %d\n", __func__, target_cell_id);
return -1;
}
/* Handover process is following */
LOG_D(RRC, "Handover is triggered by FlexRAN controller...\n");
/* if the UE is not in handover mode, start handover procedure */
if (ue_context_pP->ue_context.Status != RRC_HO_EXECUTION) {
MessageDef *msg;
LOG_I(RRC, "Send HO preparation message at frame %d and subframe %d \n", ctxt_pP->frame, ctxt_pP->subframe);
/* Check memory leakage for handover info */
//if (ue_context_pP->ue_context.handover_info) {
//free(ue_context_pP->ue_context.handover_info);
//}
ue_context_pP->ue_context.handover_info = CALLOC(1, sizeof(*(ue_context_pP->ue_context.handover_info)));
ue_context_pP->ue_context.Status = RRC_HO_EXECUTION;
ue_context_pP->ue_context.handover_info->state = HO_REQUEST;
/* HO Preparation message */
msg = itti_alloc_new_message(TASK_RRC_ENB, 0, X2AP_HANDOVER_REQ);
rrc_eNB_generate_HandoverPreparationInformation(
ue_context_pP,
X2AP_HANDOVER_REQ(msg).rrc_buffer,
&X2AP_HANDOVER_REQ(msg).rrc_buffer_size);
X2AP_HANDOVER_REQ(msg).rnti = ctxt_pP->rnti;
X2AP_HANDOVER_REQ(msg).target_physCellId = target_cell_id;
X2AP_HANDOVER_REQ(msg).ue_gummei.mcc = ue_context_pP->ue_context.ue_gummei.mcc;
X2AP_HANDOVER_REQ(msg).ue_gummei.mnc = ue_context_pP->ue_context.ue_gummei.mnc;
X2AP_HANDOVER_REQ(msg).ue_gummei.mnc_len = ue_context_pP->ue_context.ue_gummei.mnc_len;
X2AP_HANDOVER_REQ(msg).ue_gummei.mme_code = ue_context_pP->ue_context.ue_gummei.mme_code;
X2AP_HANDOVER_REQ(msg).ue_gummei.mme_group_id = ue_context_pP->ue_context.ue_gummei.mme_group_id;
// Don't know how to get this ID?
X2AP_HANDOVER_REQ(msg).mme_ue_s1ap_id = ue_context_pP->ue_context.mme_ue_s1ap_id;
X2AP_HANDOVER_REQ(msg).security_capabilities = ue_context_pP->ue_context.security_capabilities;
// compute keNB*
earfcn_dl = (uint32_t)to_earfcn_DL(RC.rrc[ctxt_pP->module_id]->carrier[0].eutra_band, RC.rrc[ctxt_pP->module_id]->carrier[0].dl_CarrierFreq,
RC.rrc[ctxt_pP->module_id]->carrier[0].N_RB_DL);
derive_keNB_star(ue_context_pP->ue_context.kenb, X2AP_HANDOVER_REQ(msg).target_physCellId, earfcn_dl, true, KeNB_star);
memcpy(X2AP_HANDOVER_REQ(msg).kenb, KeNB_star, 32);
X2AP_HANDOVER_REQ(msg).kenb_ncc = ue_context_pP->ue_context.kenb_ncc;
//X2AP_HANDOVER_REQ(msg).ue_ambr=ue_context_pP->ue_context.ue_ambr;
X2AP_HANDOVER_REQ(msg).nb_e_rabs_tobesetup = ue_context_pP->ue_context.setup_e_rabs;
for (int i=0; i<ue_context_pP->ue_context.setup_e_rabs; i++) {
X2AP_HANDOVER_REQ(msg).e_rabs_tobesetup[i].e_rab_id = ue_context_pP->ue_context.e_rab[i].param.e_rab_id;
X2AP_HANDOVER_REQ(msg).e_rabs_tobesetup[i].eNB_addr = ue_context_pP->ue_context.e_rab[i].param.sgw_addr;
X2AP_HANDOVER_REQ(msg).e_rabs_tobesetup[i].gtp_teid = ue_context_pP->ue_context.e_rab[i].param.gtp_teid;
X2AP_HANDOVER_REQ(msg).e_rab_param[i].qos.qci = ue_context_pP->ue_context.e_rab[i].param.qos.qci;
X2AP_HANDOVER_REQ(msg).e_rab_param[i].qos.allocation_retention_priority.priority_level = ue_context_pP->ue_context.e_rab[i].param.qos.allocation_retention_priority.priority_level;
X2AP_HANDOVER_REQ(msg).e_rab_param[i].qos.allocation_retention_priority.pre_emp_capability = ue_context_pP->ue_context.e_rab[i].param.qos.allocation_retention_priority.pre_emp_capability;
X2AP_HANDOVER_REQ(msg).e_rab_param[i].qos.allocation_retention_priority.pre_emp_vulnerability = ue_context_pP->ue_context.e_rab[i].param.qos.allocation_retention_priority.pre_emp_vulnerability;
}
/* TODO: don't do that, X2AP should find the target by itself */
//X2AP_HANDOVER_REQ(msg).target_mod_id = 0;
LOG_I(RRC,
"[eNB %d] Frame %d: potential handover preparation: store the information in an intermediate structure in case of failure\n",
ctxt_pP->module_id, ctxt_pP->frame);
itti_send_msg_to_task(TASK_X2AP, ENB_MODULE_ID_TO_INSTANCE(ctxt_pP->module_id), msg);
} else {
LOG_D(RRC, "[eNB %d] Frame %d: Ignoring MeasReport from UE %x as Handover is in progress... \n", ctxt_pP->module_id, ctxt_pP->frame,
ctxt_pP->rnti);
}
return 0;
}
void
check_handovers(
protocol_ctxt_t *const ctxt_pP
)
//-----------------------------------------------------------------------------
{
struct rrc_eNB_ue_context_s *ue_context_p;
RB_FOREACH(ue_context_p, rrc_ue_tree_s, &(RC.rrc[ctxt_pP->module_id]->rrc_ue_head)) {
ctxt_pP->rnti = ue_context_p->ue_id_rnti;
if (ue_context_p->ue_context.Status == RRC_HO_EXECUTION && ue_context_p->ue_context.handover_info != NULL) {
/* in the source, UE in HO_PREPARE mode */
if (ue_context_p->ue_context.handover_info->state == HO_PREPARE) {
LOG_D(RRC,
"[eNB %d] Frame %d: Incoming handover detected for new UE_id %x) \n",
ctxt_pP->module_id,
ctxt_pP->frame,
ctxt_pP->rnti);
// source eNB generates rrcconnectionreconfiguration to prepare the HO
LOG_I(RRC,
"[eNB %d] Frame %d : Logical Channel UL-DCCH, processing RRCHandoverPreparationInformation, sending RRCConnectionReconfiguration to UE %d \n",
ctxt_pP->module_id, ctxt_pP->frame, ue_context_p->ue_context.rnti);
rrc_data_req(
ctxt_pP,
DCCH,
rrc_eNB_mui++,
SDU_CONFIRM_NO,
ue_context_p->ue_context.handover_info->size,
ue_context_p->ue_context.handover_info->buf,
PDCP_TRANSMISSION_MODE_CONTROL);
ue_context_p->ue_context.handover_info->state = HO_COMPLETE;
LOG_I(RRC, "RRC Sends RRCConnectionReconfiguration to UE %d at frame %d and subframe %d \n", ue_context_p->ue_context.rnti, ctxt_pP->frame,ctxt_pP->subframe);
}
/* in the target, UE in HO_ACK mode */
if (ue_context_p->ue_context.handover_info->state == HO_ACK) {
MessageDef *msg;
// Configure target
ue_context_p->ue_context.handover_info->state = HO_FORWARDING;
msg = itti_alloc_new_message(TASK_RRC_ENB, 0, X2AP_HANDOVER_REQ_ACK);
rrc_eNB_generate_HO_RRCConnectionReconfiguration(ctxt_pP, ue_context_p, X2AP_HANDOVER_REQ_ACK(msg).rrc_buffer,
&X2AP_HANDOVER_REQ_ACK(msg).rrc_buffer_size);
rrc_eNB_configure_rbs_handover(ue_context_p,ctxt_pP);
X2AP_HANDOVER_REQ_ACK(msg).rnti = ue_context_p->ue_context.rnti;
X2AP_HANDOVER_REQ_ACK(msg).x2_id_target = ue_context_p->ue_context.handover_info->x2_id;
X2AP_HANDOVER_REQ_ACK(msg).source_assoc_id = ue_context_p->ue_context.handover_info->assoc_id;
/* Call admission control not implemented yet */
X2AP_HANDOVER_REQ_ACK(msg).nb_e_rabs_tobesetup = ue_context_p->ue_context.setup_e_rabs;
for (int i=0; i<ue_context_p->ue_context.setup_e_rabs; i++) {
/* set gtpv teid info */
X2AP_HANDOVER_REQ_ACK(msg).e_rabs_tobesetup[i].e_rab_id = ue_context_p->ue_context.e_rab[i].param.e_rab_id;
X2AP_HANDOVER_REQ_ACK(msg).e_rabs_tobesetup[i].gtp_teid = ue_context_p->ue_context.enb_gtp_x2u_teid[i];
X2AP_HANDOVER_REQ_ACK(msg).e_rabs_tobesetup[i].eNB_addr = ue_context_p->ue_context.enb_gtp_x2u_addrs[i];
}
itti_send_msg_to_task(TASK_X2AP, ENB_MODULE_ID_TO_INSTANCE(ctxt_pP->module_id), msg);
LOG_I(RRC, "RRC Sends X2 HO ACK to the source eNB at frame %d and subframe %d \n", ctxt_pP->frame,ctxt_pP->subframe);
}
}
if (ue_context_p->ue_context.Status == RRC_RECONFIGURED
&& ue_context_p->ue_context.handover_info != NULL &&
ue_context_p->ue_context.handover_info->forwarding_state == FORWARDING_NO_EMPTY ) {
MessageDef *msg_p;
int result;
protocol_ctxt_t ctxt;
do {
// Checks if a message has been sent to PDCP sub-task
itti_poll_msg (TASK_DATA_FORWARDING, &msg_p);
if (msg_p != NULL) {
switch (ITTI_MSG_ID(msg_p)) {
case GTPV1U_ENB_DATA_FORWARDING_IND:
PROTOCOL_CTXT_SET_BY_MODULE_ID(
&ctxt,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).module_id,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).enb_flag,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).rnti,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).frame,
0,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).eNB_index);
LOG_D(RRC, PROTOCOL_CTXT_FMT"[check_handovers]Received %s from %s: instance %ld, rb_id %ld, muiP %d, confirmP %d, mode %d\n",
PROTOCOL_CTXT_ARGS(&ctxt),
ITTI_MSG_NAME (msg_p),
ITTI_MSG_ORIGIN_NAME(msg_p),
ITTI_MSG_DESTINATION_INSTANCE (msg_p),
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).rb_id,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).muip,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).confirmp,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).mode);
LOG_I(RRC, "Before calling pdcp_data_req from check_handovers! GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).rb_id: %ld \n", GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).rb_id);
result = pdcp_data_req (&ctxt,
SRB_FLAG_NO,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).rb_id,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).muip,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).confirmp,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).sdu_size,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).sdu_p,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).mode, NULL, NULL
);
if (result != TRUE) {
LOG_E(RRC, "target enb send data forwarding buffer to PDCP request failed!\n");
} else {
LOG_D(RRC, "target enb send data forwarding buffer to PDCP!\n");
}
// Message buffer has been processed, free it now.
result = itti_free (ITTI_MSG_ORIGIN_ID(msg_p), GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).sdu_p);
AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
break;
default:
LOG_E(RRC, "Received unexpected message %s\n", ITTI_MSG_NAME (msg_p));
break;
}
result = itti_free (ITTI_MSG_ORIGIN_ID(msg_p), msg_p);
AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
}
} while(msg_p != NULL);
ue_context_p->ue_context.handover_info->forwarding_state = FORWARDING_EMPTY;
}
if( ue_context_p->ue_context.Status == RRC_RECONFIGURED &&
ue_context_p->ue_context.handover_info != NULL &&
ue_context_p->ue_context.handover_info->forwarding_state == FORWARDING_EMPTY &&
ue_context_p->ue_context.handover_info->endmark_state == ENDMARK_NO_EMPTY &&
ue_context_p->ue_context.handover_info->state == HO_END_MARKER ) {
MessageDef *msg_p;
int result;
protocol_ctxt_t ctxt;
do {
// Checks if a message has been sent to PDCP sub-task
itti_poll_msg (TASK_END_MARKER, &msg_p);
if (msg_p != NULL) {
switch (ITTI_MSG_ID(msg_p)) {
case GTPV1U_ENB_END_MARKER_IND:
PROTOCOL_CTXT_SET_BY_MODULE_ID(
&ctxt,
GTPV1U_ENB_END_MARKER_IND (msg_p).module_id,
GTPV1U_ENB_END_MARKER_IND (msg_p).enb_flag,
GTPV1U_ENB_END_MARKER_IND (msg_p).rnti,
GTPV1U_ENB_END_MARKER_IND (msg_p).frame,
0,
GTPV1U_ENB_END_MARKER_IND (msg_p).eNB_index);
LOG_I(RRC, PROTOCOL_CTXT_FMT"[check_handovers]Received %s from %s: instance %ld, rb_id %ld, muiP %d, confirmP %d, mode %d\n",
PROTOCOL_CTXT_ARGS(&ctxt),
ITTI_MSG_NAME (msg_p),
ITTI_MSG_ORIGIN_NAME(msg_p),
ITTI_MSG_DESTINATION_INSTANCE (msg_p),
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).rb_id,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).muip,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).confirmp,
GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).mode);
LOG_D(RRC, "Before calling pdcp_data_req from check_handovers! GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).rb_id: %ld \n", GTPV1U_ENB_DATA_FORWARDING_IND (msg_p).rb_id);
result = pdcp_data_req (&ctxt,
SRB_FLAG_NO,
GTPV1U_ENB_END_MARKER_IND (msg_p).rb_id,
GTPV1U_ENB_END_MARKER_IND (msg_p).muip,
GTPV1U_ENB_END_MARKER_IND (msg_p).confirmp,
GTPV1U_ENB_END_MARKER_IND (msg_p).sdu_size,
GTPV1U_ENB_END_MARKER_IND (msg_p).sdu_p,
GTPV1U_ENB_END_MARKER_IND (msg_p).mode, NULL, NULL
);
if (result != TRUE) {
LOG_E(RRC, "target enb send spgw buffer to PDCP request failed!\n");
} else {
LOG_D(RRC, "target enb send spgw buffer to PDCP!\n");
}
// Message buffer has been processed, free it now.
result = itti_free (ITTI_MSG_ORIGIN_ID(msg_p), GTPV1U_ENB_END_MARKER_IND (msg_p).sdu_p);
AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
break;
default:
LOG_E(RRC, "Received unexpected message %s\n", ITTI_MSG_NAME (msg_p));
break;
}
result = itti_free (ITTI_MSG_ORIGIN_ID(msg_p), msg_p);
AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
}
} while(msg_p != NULL);
ue_context_p->ue_context.handover_info->endmark_state = ENDMARK_EMPTY;
ue_context_p->ue_context.handover_info->state = HO_FORWARDING_COMPLETE;
}
}
}
void
rrc_eNB_generate_HO_RRCConnectionReconfiguration(const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP,
uint8_t *buffer,
int *_size
//const uint8_t ho_state
)
//-----------------------------------------------------------------------------
{
uint16_t size;
int i;
uint8_t rv[2];
// configure SRB1/SRB2, PhysicalConfigDedicated, MAC_MainConfig for UE
eNB_RRC_INST *rrc_inst = RC.rrc[ctxt_pP->module_id];
struct LTE_PhysicalConfigDedicated **physicalConfigDedicated = &ue_context_pP->ue_context.physicalConfigDedicated;
// phy config dedicated
LTE_PhysicalConfigDedicated_t *physicalConfigDedicated2;
// srb 1: for HO
struct LTE_SRB_ToAddMod *SRB1_config = NULL;
struct LTE_SRB_ToAddMod__rlc_Config *SRB1_rlc_config = NULL;
struct LTE_SRB_ToAddMod__logicalChannelConfig *SRB1_lchan_config = NULL;
struct LTE_LogicalChannelConfig__ul_SpecificParameters
*SRB1_ul_SpecificParameters = NULL;
struct LTE_SRB_ToAddMod *SRB2_config = NULL;
struct LTE_SRB_ToAddMod__rlc_Config *SRB2_rlc_config = NULL;
struct LTE_SRB_ToAddMod__logicalChannelConfig *SRB2_lchan_config = NULL;
struct LTE_LogicalChannelConfig__ul_SpecificParameters
*SRB2_ul_SpecificParameters = NULL;
LTE_SRB_ToAddModList_t *SRB_configList = ue_context_pP->ue_context.SRB_configList;
LTE_SRB_ToAddModList_t **SRB_configList2 = NULL;
struct LTE_DRB_ToAddMod *DRB_config = NULL;
struct LTE_RLC_Config *DRB_rlc_config = NULL;
struct LTE_PDCP_Config *DRB_pdcp_config = NULL;
struct LTE_PDCP_Config__rlc_AM *PDCP_rlc_AM = NULL;
struct LTE_PDCP_Config__rlc_UM *PDCP_rlc_UM = NULL;
struct LTE_LogicalChannelConfig *DRB_lchan_config = NULL;
struct LTE_LogicalChannelConfig__ul_SpecificParameters
*DRB_ul_SpecificParameters = NULL;
LTE_DRB_ToAddModList_t **DRB_configList = &ue_context_pP->ue_context.DRB_configList;
LTE_DRB_ToAddModList_t **DRB_configList2 = NULL;
LTE_MAC_MainConfig_t *mac_MainConfig = NULL;
LTE_MeasObjectToAddModList_t *MeasObj_list = NULL;
LTE_MeasObjectToAddMod_t *MeasObj = NULL;
LTE_ReportConfigToAddModList_t *ReportConfig_list = NULL;
LTE_ReportConfigToAddMod_t *ReportConfig_per, *ReportConfig_A1,
*ReportConfig_A2, *ReportConfig_A3, *ReportConfig_A4, *ReportConfig_A5;
LTE_MeasIdToAddModList_t *MeasId_list = NULL;
LTE_MeasIdToAddMod_t *MeasId0, *MeasId1, *MeasId2, *MeasId3, *MeasId4, *MeasId5;
long *sr_ProhibitTimer_r9 = NULL;
long *logicalchannelgroup, *logicalchannelgroup_drb;
long *maxHARQ_Tx, *periodicBSR_Timer;
LTE_RSRP_Range_t *rsrp = NULL;
struct LTE_MeasConfig__speedStatePars *Sparams = NULL;
LTE_QuantityConfig_t *quantityConfig = NULL;
LTE_MobilityControlInfo_t *mobilityInfo = NULL;
LTE_SecurityConfigHO_t *securityConfigHO = NULL;
LTE_CellsToAddMod_t *CellToAdd = NULL;
LTE_CellsToAddModList_t *CellsToAddModList = NULL;
struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *dedicatedInfoNASList = NULL;
LTE_DedicatedInfoNAS_t *dedicatedInfoNas = NULL;
/* for no gcc warnings */
(void)dedicatedInfoNas;
LTE_C_RNTI_t *cba_RNTI = NULL;
int measurements_enabled;
uint8_t xid = rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id); //Transaction_id,
T(T_ENB_RRC_CONNECTION_RECONFIGURATION, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
rv[0] = (ue_context_pP->ue_context.rnti >> 8) & 255;
rv[1] = ue_context_pP->ue_context.rnti & 255;
LOG_I(RRC, "target UE rnti = %x (decimal: %d)\n", ue_context_pP->ue_context.rnti, ue_context_pP->ue_context.rnti);
LOG_D(RRC, "[eNB %d] Frame %d : handover preparation: add target eNB SRB1 and PHYConfigDedicated reconfiguration\n",
ctxt_pP->module_id, ctxt_pP->frame);
if (SRB_configList) {
free(SRB_configList);
}
SRB_configList = CALLOC(1, sizeof(*SRB_configList));
memset(SRB_configList, 0, sizeof(*SRB_configList));
SRB1_config = CALLOC(1, sizeof(*SRB1_config));
SRB1_config->srb_Identity = 1;
SRB1_rlc_config = CALLOC(1, sizeof(*SRB1_rlc_config));
SRB1_config->rlc_Config = SRB1_rlc_config;
SRB1_rlc_config->present = LTE_SRB_ToAddMod__rlc_Config_PR_explicitValue;
SRB1_rlc_config->choice.explicitValue.present = LTE_RLC_Config_PR_am;
SRB1_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.t_PollRetransmit = LTE_T_PollRetransmit_ms15;
SRB1_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.pollPDU = LTE_PollPDU_p8;
SRB1_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.pollByte = LTE_PollByte_kB1000;
SRB1_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.maxRetxThreshold = LTE_UL_AM_RLC__maxRetxThreshold_t16;
SRB1_rlc_config->choice.explicitValue.choice.am.dl_AM_RLC.t_Reordering = LTE_T_Reordering_ms35;
SRB1_rlc_config->choice.explicitValue.choice.am.dl_AM_RLC.t_StatusProhibit = LTE_T_StatusProhibit_ms10;
SRB1_lchan_config = CALLOC(1, sizeof(*SRB1_lchan_config));
SRB1_config->logicalChannelConfig = SRB1_lchan_config;
SRB1_lchan_config->present = LTE_SRB_ToAddMod__logicalChannelConfig_PR_explicitValue;
SRB1_ul_SpecificParameters = CALLOC(1, sizeof(*SRB1_ul_SpecificParameters));
SRB1_lchan_config->choice.explicitValue.ul_SpecificParameters = SRB1_ul_SpecificParameters;
SRB1_ul_SpecificParameters->priority = 1;
//assign_enum(&SRB1_ul_SpecificParameters->prioritisedBitRate,LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity);
SRB1_ul_SpecificParameters->prioritisedBitRate =
LTE_LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity;
//assign_enum(&SRB1_ul_SpecificParameters->bucketSizeDuration,LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50);
SRB1_ul_SpecificParameters->bucketSizeDuration =
LTE_LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50;
logicalchannelgroup = CALLOC(1, sizeof(long));
*logicalchannelgroup = 0;
SRB1_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup;
ASN_SEQUENCE_ADD(&SRB_configList->list, SRB1_config);
ue_context_pP->ue_context.SRB_configList = SRB_configList;
// Configure SRB2
/// SRB2
SRB_configList2=&ue_context_pP->ue_context.SRB_configList2[xid];
if (*SRB_configList2) {
free(*SRB_configList2);
}
*SRB_configList2 = CALLOC(1, sizeof(**SRB_configList2));
memset(*SRB_configList2, 0, sizeof(**SRB_configList2));
SRB2_config = CALLOC(1, sizeof(*SRB2_config));
SRB2_config->srb_Identity = 2;
SRB2_rlc_config = CALLOC(1, sizeof(*SRB2_rlc_config));
SRB2_config->rlc_Config = SRB2_rlc_config;
SRB2_rlc_config->present = LTE_SRB_ToAddMod__rlc_Config_PR_explicitValue;
SRB2_rlc_config->choice.explicitValue.present = LTE_RLC_Config_PR_am;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.t_PollRetransmit = LTE_T_PollRetransmit_ms15;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.pollPDU = LTE_PollPDU_p8;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.pollByte = LTE_PollByte_kB1000;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.maxRetxThreshold = LTE_UL_AM_RLC__maxRetxThreshold_t32;
SRB2_rlc_config->choice.explicitValue.choice.am.dl_AM_RLC.t_Reordering = LTE_T_Reordering_ms35;
SRB2_rlc_config->choice.explicitValue.choice.am.dl_AM_RLC.t_StatusProhibit = LTE_T_StatusProhibit_ms10;
SRB2_lchan_config = CALLOC(1, sizeof(*SRB2_lchan_config));
SRB2_config->logicalChannelConfig = SRB2_lchan_config;
SRB2_lchan_config->present = LTE_SRB_ToAddMod__logicalChannelConfig_PR_explicitValue;
SRB2_ul_SpecificParameters = CALLOC(1, sizeof(*SRB2_ul_SpecificParameters));
SRB2_ul_SpecificParameters->priority = 3; // let some priority for SRB1 and dedicated DRBs
SRB2_ul_SpecificParameters->prioritisedBitRate =
LTE_LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity;
SRB2_ul_SpecificParameters->bucketSizeDuration =
LTE_LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50;
// LCG for CCCH and DCCH is 0 as defined in 36331
logicalchannelgroup = CALLOC(1, sizeof(long));
*logicalchannelgroup = 0;
SRB2_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup;
SRB2_lchan_config->choice.explicitValue.ul_SpecificParameters = SRB2_ul_SpecificParameters;
// this list has the configuration for SRB1 and SRB2
ASN_SEQUENCE_ADD(&SRB_configList->list, SRB2_config);
// this list has only the configuration for SRB2
ASN_SEQUENCE_ADD(&(*SRB_configList2)->list, SRB2_config);
// Configure DRB
//*DRB_configList = CALLOC(1, sizeof(*DRB_configList));
// list for all the configured DRB
if (*DRB_configList) {
free(*DRB_configList);
}
*DRB_configList = CALLOC(1, sizeof(**DRB_configList));
memset(*DRB_configList, 0, sizeof(**DRB_configList));
// list for the configured DRB for a this xid
DRB_configList2=&ue_context_pP->ue_context.DRB_configList2[xid];
if (*DRB_configList2) {
free(*DRB_configList2);
}
*DRB_configList2 = CALLOC(1, sizeof(**DRB_configList2));
memset(*DRB_configList2, 0, sizeof(**DRB_configList2));
/// DRB
DRB_config = CALLOC(1, sizeof(*DRB_config));
DRB_config->eps_BearerIdentity = CALLOC(1, sizeof(long));
*(DRB_config->eps_BearerIdentity) = 5L; // LW set to first value, allowed value 5..15, value : x+4
// DRB_config->drb_Identity = (DRB_Identity_t) 1; //allowed values 1..32
// NN: this is the 1st DRB for this ue, so set it to 1
DRB_config->drb_Identity = (LTE_DRB_Identity_t) 1; // (ue_mod_idP+1); //allowed values 1..32, value: x
DRB_config->logicalChannelIdentity = CALLOC(1, sizeof(long));
*(DRB_config->logicalChannelIdentity) = (long)3; // value : x+2
DRB_rlc_config = CALLOC(1, sizeof(*DRB_rlc_config));
DRB_config->rlc_Config = DRB_rlc_config;
#ifdef RRC_DEFAULT_RAB_IS_AM
DRB_rlc_config->present = LTE_RLC_Config_PR_am;
DRB_rlc_config->choice.am.ul_AM_RLC.t_PollRetransmit = LTE_T_PollRetransmit_ms50;
DRB_rlc_config->choice.am.ul_AM_RLC.pollPDU = LTE_PollPDU_p16;
DRB_rlc_config->choice.am.ul_AM_RLC.pollByte = LTE_PollByte_kBinfinity;
DRB_rlc_config->choice.am.ul_AM_RLC.maxRetxThreshold = LTE_UL_AM_RLC__maxRetxThreshold_t8;
DRB_rlc_config->choice.am.dl_AM_RLC.t_Reordering = LTE_T_Reordering_ms35;
DRB_rlc_config->choice.am.dl_AM_RLC.t_StatusProhibit = LTE_T_StatusProhibit_ms25;
#else
DRB_rlc_config->present = LTE_RLC_Config_PR_um_Bi_Directional;
DRB_rlc_config->choice.um_Bi_Directional.ul_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.t_Reordering = LTE_T_Reordering_ms35;
#endif
DRB_pdcp_config = CALLOC(1, sizeof(*DRB_pdcp_config));
DRB_config->pdcp_Config = DRB_pdcp_config;
DRB_pdcp_config->discardTimer = CALLOC(1, sizeof(long));
*DRB_pdcp_config->discardTimer = LTE_PDCP_Config__discardTimer_infinity;
DRB_pdcp_config->rlc_AM = NULL;
DRB_pdcp_config->rlc_UM = NULL;
/* avoid gcc warnings */
(void)PDCP_rlc_AM;
(void)PDCP_rlc_UM;
#ifdef RRC_DEFAULT_RAB_IS_AM // EXMIMO_IOT
PDCP_rlc_AM = CALLOC(1, sizeof(*PDCP_rlc_AM));
DRB_pdcp_config->rlc_AM = PDCP_rlc_AM;
PDCP_rlc_AM->statusReportRequired = FALSE;
#else
PDCP_rlc_UM = CALLOC(1, sizeof(*PDCP_rlc_UM));
DRB_pdcp_config->rlc_UM = PDCP_rlc_UM;
PDCP_rlc_UM->pdcp_SN_Size = LTE_PDCP_Config__rlc_UM__pdcp_SN_Size_len12bits;
#endif
DRB_pdcp_config->headerCompression.present = LTE_PDCP_Config__headerCompression_PR_notUsed;
DRB_lchan_config = CALLOC(1, sizeof(*DRB_lchan_config));
DRB_config->logicalChannelConfig = DRB_lchan_config;
DRB_ul_SpecificParameters = CALLOC(1, sizeof(*DRB_ul_SpecificParameters));
DRB_lchan_config->ul_SpecificParameters = DRB_ul_SpecificParameters;
DRB_ul_SpecificParameters->priority = 12; // lower priority than srb1, srb2 and other dedicated bearer
DRB_ul_SpecificParameters->prioritisedBitRate =LTE_LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_kBps8 ;
//LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity;
DRB_ul_SpecificParameters->bucketSizeDuration =
LTE_LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50;
// LCG for DTCH can take the value from 1 to 3 as defined in 36331: normally controlled by upper layers (like RRM)
logicalchannelgroup_drb = CALLOC(1, sizeof(long));
*logicalchannelgroup_drb = 1;
DRB_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup_drb;
ASN_SEQUENCE_ADD(&(*DRB_configList)->list, DRB_config);
ASN_SEQUENCE_ADD(&(*DRB_configList2)->list, DRB_config);
//ue_context_pP->ue_context.DRB_configList2[0] = &(*DRB_configList);
mac_MainConfig = CALLOC(1, sizeof(*mac_MainConfig));
ue_context_pP->ue_context.mac_MainConfig = mac_MainConfig;
mac_MainConfig->ul_SCH_Config = CALLOC(1, sizeof(*mac_MainConfig->ul_SCH_Config));
maxHARQ_Tx = CALLOC(1, sizeof(long));
*maxHARQ_Tx = LTE_MAC_MainConfig__ul_SCH_Config__maxHARQ_Tx_n5;
mac_MainConfig->ul_SCH_Config->maxHARQ_Tx = maxHARQ_Tx;
periodicBSR_Timer = CALLOC(1, sizeof(long));
*periodicBSR_Timer = LTE_PeriodicBSR_Timer_r12_sf64;
mac_MainConfig->ul_SCH_Config->periodicBSR_Timer = periodicBSR_Timer;
mac_MainConfig->ul_SCH_Config->retxBSR_Timer = LTE_RetxBSR_Timer_r12_sf320;
mac_MainConfig->ul_SCH_Config->ttiBundling = 0; // FALSE
mac_MainConfig->timeAlignmentTimerDedicated = LTE_TimeAlignmentTimer_infinity;
mac_MainConfig->drx_Config = NULL;
mac_MainConfig->phr_Config = CALLOC(1, sizeof(*mac_MainConfig->phr_Config));
mac_MainConfig->phr_Config->present = LTE_MAC_MainConfig__phr_Config_PR_setup;
mac_MainConfig->phr_Config->choice.setup.periodicPHR_Timer = LTE_MAC_MainConfig__phr_Config__setup__periodicPHR_Timer_sf20; // sf20 = 20 subframes
mac_MainConfig->phr_Config->choice.setup.prohibitPHR_Timer = LTE_MAC_MainConfig__phr_Config__setup__prohibitPHR_Timer_sf20; // sf20 = 20 subframes
mac_MainConfig->phr_Config->choice.setup.dl_PathlossChange = LTE_MAC_MainConfig__phr_Config__setup__dl_PathlossChange_dB1; // Value dB1 =1 dB, dB3 = 3 dB
sr_ProhibitTimer_r9 = CALLOC(1, sizeof(long));
*sr_ProhibitTimer_r9 = 0; // SR tx on PUCCH, Value in number of SR period(s). Value 0 = no timer for SR, Value 2= 2*SR
mac_MainConfig->ext1 = CALLOC(1, sizeof(struct LTE_MAC_MainConfig__ext1));
mac_MainConfig->ext1->sr_ProhibitTimer_r9 = sr_ProhibitTimer_r9;
//sps_RA_ConfigList_rlola = NULL;
//change the transmission mode for the primary component carrier
//TODO: add codebook subset restriction here
//TODO: change TM for secondary CC in SCelltoaddmodlist
/// now reconfigure phy config dedicated
if (*physicalConfigDedicated) {
free(*physicalConfigDedicated);
}
//if (*physicalConfigDedicated) {
physicalConfigDedicated2 = CALLOC(1, sizeof(*physicalConfigDedicated2));
*physicalConfigDedicated = physicalConfigDedicated2;
physicalConfigDedicated2->pdsch_ConfigDedicated =
CALLOC(1, sizeof(*physicalConfigDedicated2->pdsch_ConfigDedicated));
physicalConfigDedicated2->pucch_ConfigDedicated =
CALLOC(1, sizeof(*physicalConfigDedicated2->pucch_ConfigDedicated));
physicalConfigDedicated2->pusch_ConfigDedicated =
CALLOC(1, sizeof(*physicalConfigDedicated2->pusch_ConfigDedicated));
physicalConfigDedicated2->uplinkPowerControlDedicated =
CALLOC(1, sizeof(*physicalConfigDedicated2->uplinkPowerControlDedicated));
physicalConfigDedicated2->tpc_PDCCH_ConfigPUCCH =
CALLOC(1, sizeof(*physicalConfigDedicated2->tpc_PDCCH_ConfigPUCCH));
physicalConfigDedicated2->tpc_PDCCH_ConfigPUSCH =
CALLOC(1, sizeof(*physicalConfigDedicated2->tpc_PDCCH_ConfigPUSCH));
physicalConfigDedicated2->cqi_ReportConfig = NULL; //CALLOC(1,sizeof(*physicalConfigDedicated2->cqi_ReportConfig));
physicalConfigDedicated2->soundingRS_UL_ConfigDedicated = NULL; //CALLOC(1,sizeof(*physicalConfigDedicated2->soundingRS_UL_ConfigDedicated));
physicalConfigDedicated2->antennaInfo = CALLOC(1, sizeof(*physicalConfigDedicated2->antennaInfo));
physicalConfigDedicated2->schedulingRequestConfig =
CALLOC(1, sizeof(*physicalConfigDedicated2->schedulingRequestConfig));
// PDSCH
//assign_enum(&physicalConfigDedicated2->pdsch_ConfigDedicated->p_a,
// PDSCH_ConfigDedicated__p_a_dB0);
physicalConfigDedicated2->pdsch_ConfigDedicated->p_a = LTE_PDSCH_ConfigDedicated__p_a_dB0;
// PUCCH
physicalConfigDedicated2->pucch_ConfigDedicated->ackNackRepetition.present =
LTE_PUCCH_ConfigDedicated__ackNackRepetition_PR_release;
physicalConfigDedicated2->pucch_ConfigDedicated->ackNackRepetition.choice.release = 0;
physicalConfigDedicated2->pucch_ConfigDedicated->tdd_AckNackFeedbackMode = NULL; //PUCCH_ConfigDedicated__tdd_AckNackFeedbackMode_multiplexing;
// Pusch_config_dedicated
physicalConfigDedicated2->pusch_ConfigDedicated->betaOffset_ACK_Index = 0; // 2.00
physicalConfigDedicated2->pusch_ConfigDedicated->betaOffset_RI_Index = 0; // 1.25
physicalConfigDedicated2->pusch_ConfigDedicated->betaOffset_CQI_Index = 8; // 2.25
// UplinkPowerControlDedicated
physicalConfigDedicated2->uplinkPowerControlDedicated->p0_UE_PUSCH = 0; // 0 dB
//assign_enum(&physicalConfigDedicated2->uplinkPowerControlDedicated->deltaMCS_Enabled,
// UplinkPowerControlDedicated__deltaMCS_Enabled_en1);
physicalConfigDedicated2->uplinkPowerControlDedicated->deltaMCS_Enabled =
LTE_UplinkPowerControlDedicated__deltaMCS_Enabled_en1;
physicalConfigDedicated2->uplinkPowerControlDedicated->accumulationEnabled = 1; // should be TRUE in order to have 0dB power offset
physicalConfigDedicated2->uplinkPowerControlDedicated->p0_UE_PUCCH = 0; // 0 dB
physicalConfigDedicated2->uplinkPowerControlDedicated->pSRS_Offset = 0; // 0 dB
physicalConfigDedicated2->uplinkPowerControlDedicated->filterCoefficient =
CALLOC(1, sizeof(*physicalConfigDedicated2->uplinkPowerControlDedicated->filterCoefficient));
// assign_enum(physicalConfigDedicated2->uplinkPowerControlDedicated->filterCoefficient,FilterCoefficient_fc4); // fc4 dB
*physicalConfigDedicated2->uplinkPowerControlDedicated->filterCoefficient = LTE_FilterCoefficient_fc4; // fc4 dB
// TPC-PDCCH-Config
physicalConfigDedicated2->tpc_PDCCH_ConfigPUCCH->present = LTE_TPC_PDCCH_Config_PR_setup;
physicalConfigDedicated2->tpc_PDCCH_ConfigPUCCH->choice.setup.tpc_Index.present = LTE_TPC_Index_PR_indexOfFormat3;
physicalConfigDedicated2->tpc_PDCCH_ConfigPUCCH->choice.setup.tpc_Index.choice.indexOfFormat3 = 1;
physicalConfigDedicated2->tpc_PDCCH_ConfigPUCCH->choice.setup.tpc_RNTI.buf = CALLOC(1, 2);
physicalConfigDedicated2->tpc_PDCCH_ConfigPUCCH->choice.setup.tpc_RNTI.size = 2;
physicalConfigDedicated2->tpc_PDCCH_ConfigPUCCH->choice.setup.tpc_RNTI.buf[0] = 0x12;
physicalConfigDedicated2->tpc_PDCCH_ConfigPUCCH->choice.setup.tpc_RNTI.buf[1] = 0x34 + ue_context_pP->local_uid;
physicalConfigDedicated2->tpc_PDCCH_ConfigPUCCH->choice.setup.tpc_RNTI.bits_unused = 0;
physicalConfigDedicated2->tpc_PDCCH_ConfigPUSCH->present = LTE_TPC_PDCCH_Config_PR_setup;
physicalConfigDedicated2->tpc_PDCCH_ConfigPUSCH->choice.setup.tpc_Index.present = LTE_TPC_Index_PR_indexOfFormat3;
physicalConfigDedicated2->tpc_PDCCH_ConfigPUSCH->choice.setup.tpc_Index.choice.indexOfFormat3 = 1;
physicalConfigDedicated2->tpc_PDCCH_ConfigPUSCH->choice.setup.tpc_RNTI.buf = CALLOC(1, 2);
physicalConfigDedicated2->tpc_PDCCH_ConfigPUSCH->choice.setup.tpc_RNTI.size = 2;
physicalConfigDedicated2->tpc_PDCCH_ConfigPUSCH->choice.setup.tpc_RNTI.buf[0] = 0x22;
physicalConfigDedicated2->tpc_PDCCH_ConfigPUSCH->choice.setup.tpc_RNTI.buf[1] = 0x34 + ue_context_pP->local_uid;
physicalConfigDedicated2->tpc_PDCCH_ConfigPUSCH->choice.setup.tpc_RNTI.bits_unused = 0;
//AntennaInfoDedicated
physicalConfigDedicated2->antennaInfo = CALLOC(1, sizeof(*physicalConfigDedicated2->antennaInfo));
physicalConfigDedicated2->antennaInfo->present = LTE_PhysicalConfigDedicated__antennaInfo_PR_explicitValue;
//if ((*physicalConfigDedicated)->antennaInfo) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.transmissionMode = rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode;
LOG_D(RRC,"Setting transmission mode to %ld+1\n",rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode);
if (rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm3) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction=
CALLOC(1,sizeof(LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR));
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->present =
LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR_n2TxAntenna_tm3;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm3.buf= MALLOC(1);
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm3.buf[0] = 0xc0;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm3.size=1;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm3.bits_unused=6;
} else if (rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm4) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction=
CALLOC(1,sizeof(LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR));
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->present =
LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR_n2TxAntenna_tm4;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm4.buf= MALLOC(1);
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm4.buf[0] = 0xfc;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm4.size=1;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm4.bits_unused=2;
} else if (rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm5) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction=
CALLOC(1,sizeof(LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR));
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->present =
LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR_n2TxAntenna_tm5;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm5.buf= MALLOC(1);
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm5.buf[0] = 0xf0;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm5.size=1;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm5.bits_unused=4;
} else if (rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm6) {
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction=
CALLOC(1,sizeof(LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR));
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->present =
LTE_AntennaInfoDedicated__codebookSubsetRestriction_PR_n2TxAntenna_tm6;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm6.buf= MALLOC(1);
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm6.buf[0] = 0xf0;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm6.size=1;
(*physicalConfigDedicated)->antennaInfo->choice.explicitValue.codebookSubsetRestriction->choice.n2TxAntenna_tm6.bits_unused=4;
}
physicalConfigDedicated2->antennaInfo->choice.explicitValue.ue_TransmitAntennaSelection.present =
LTE_AntennaInfoDedicated__ue_TransmitAntennaSelection_PR_release;
physicalConfigDedicated2->antennaInfo->choice.explicitValue.ue_TransmitAntennaSelection.choice.release = 0;
//}
//else {
//LOG_E(RRC,"antenna_info not present in physical_config_dedicated. Not reconfiguring!\n");
//}
// CQI ReportConfig
physicalConfigDedicated2->cqi_ReportConfig = CALLOC(1,sizeof(*physicalConfigDedicated2->cqi_ReportConfig));
physicalConfigDedicated2->cqi_ReportConfig->cqi_ReportModeAperiodic = CALLOC(1,sizeof(*physicalConfigDedicated2->cqi_ReportConfig->cqi_ReportModeAperiodic));
physicalConfigDedicated2->cqi_ReportConfig->nomPDSCH_RS_EPRE_Offset = 0; // 0 dB
//physicalConfigDedicated2->cqi_ReportConfig->cqi_ReportPeriodic=NULL;
physicalConfigDedicated2->cqi_ReportConfig->cqi_ReportPeriodic=CALLOC(1,sizeof(*physicalConfigDedicated2->cqi_ReportConfig->cqi_ReportPeriodic));
physicalConfigDedicated2->cqi_ReportConfig->cqi_ReportPeriodic->present = LTE_CQI_ReportPeriodic_PR_release;
//if ((*physicalConfigDedicated)->cqi_ReportConfig) {
if ((rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm4) ||
(rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm5) ||
(rrc_inst->configuration.radioresourceconfig[0].ue_TransmissionMode==LTE_AntennaInfoDedicated__transmissionMode_tm6)) {
//feedback mode needs to be set as well
//TODO: I think this is taken into account in the PHY automatically based on the transmission mode variable
printf("setting cqi reporting mode to rm31\n");
*((*physicalConfigDedicated)->cqi_ReportConfig->cqi_ReportModeAperiodic)=LTE_CQI_ReportModeAperiodic_rm31;
} else {
*physicalConfigDedicated2->cqi_ReportConfig->cqi_ReportModeAperiodic= LTE_CQI_ReportModeAperiodic_rm30;
}
//}
//else {
//LOG_E(RRC,"cqi_ReportConfig not present in physical_config_dedicated. Not reconfiguring!\n");
//}
// SchedulingRequestConfig
physicalConfigDedicated2->schedulingRequestConfig->present = LTE_SchedulingRequestConfig_PR_setup;
physicalConfigDedicated2->schedulingRequestConfig->choice.setup.sr_PUCCH_ResourceIndex = ue_context_pP->local_uid;
if (rrc_inst->carrier[0].sib1->tdd_Config==NULL) { // FDD
physicalConfigDedicated2->schedulingRequestConfig->choice.setup.sr_ConfigIndex = 5 + (ue_context_pP->local_uid %
10); // Isr = 5 (every 10 subframes, offset=2+UE_id mod3)
} else {
switch (rrc_inst->carrier[0].sib1->tdd_Config->subframeAssignment) {
case 1:
physicalConfigDedicated2->schedulingRequestConfig->choice.setup.sr_ConfigIndex = 7 + (ue_context_pP->local_uid & 1) + ((
ue_context_pP->local_uid & 3) >> 1) * 5; // Isr = 5 (every 10 subframes, offset=2 for UE0, 3 for UE1, 7 for UE2, 8 for UE3 , 2 for UE4 etc..)
break;
case 3:
physicalConfigDedicated2->schedulingRequestConfig->choice.setup.sr_ConfigIndex = 7 + (ue_context_pP->local_uid %
3); // Isr = 5 (every 10 subframes, offset=2 for UE0, 3 for UE1, 3 for UE2, 2 for UE3 , etc..)
break;
case 4:
physicalConfigDedicated2->schedulingRequestConfig->choice.setup.sr_ConfigIndex = 7 + (ue_context_pP->local_uid &
1); // Isr = 5 (every 10 subframes, offset=2 for UE0, 3 for UE1, 3 for UE2, 2 for UE3 , etc..)
break;
default:
physicalConfigDedicated2->schedulingRequestConfig->choice.setup.sr_ConfigIndex = 7; // Isr = 5 (every 10 subframes, offset=2 for all UE0 etc..)
break;
}
}
// assign_enum(&physicalConfigDedicated2->schedulingRequestConfig->choice.setup.dsr_TransMax,
//SchedulingRequestConfig__setup__dsr_TransMax_n4);
// assign_enum(&physicalConfigDedicated2->schedulingRequestConfig->choice.setup.dsr_TransMax = SchedulingRequestConfig__setup__dsr_TransMax_n4;
physicalConfigDedicated2->schedulingRequestConfig->choice.setup.dsr_TransMax =
LTE_SchedulingRequestConfig__setup__dsr_TransMax_n4;
LOG_D(RRC,
"handover_config [FRAME %05d][RRC_eNB][MOD %02d][][--- MAC_CONFIG_REQ (SRB1 UE %x) --->][MAC_eNB][MOD %02d][]\n",
ctxt_pP->frame, ctxt_pP->module_id, ue_context_pP->ue_context.rnti, ctxt_pP->module_id);
rrc_mac_config_req_eNB(
ctxt_pP->module_id,
ue_context_pP->ue_context.primaryCC_id,
0,0,0,0,0,0,
ue_context_pP->ue_context.rnti,
(LTE_BCCH_BCH_Message_t *) NULL,
(LTE_RadioResourceConfigCommonSIB_t *) NULL,
(LTE_RadioResourceConfigCommonSIB_t *) NULL,
ue_context_pP->ue_context.physicalConfigDedicated,
(LTE_SCellToAddMod_r10_t *)NULL,
(LTE_MeasObjectToAddMod_t **) NULL,
ue_context_pP->ue_context.mac_MainConfig,
1,
NULL,//SRB1_logicalChannelConfig,
ue_context_pP->ue_context.measGapConfig,
(LTE_TDD_Config_t *) NULL,
(LTE_MobilityControlInfo_t *) NULL,
(LTE_SchedulingInfoList_t *) NULL,
0,
NULL,
NULL,
(LTE_MBSFN_SubframeConfigList_t *) NULL,
0, (LTE_MBSFN_AreaInfoList_r9_t *) NULL, (LTE_PMCH_InfoList_r9_t *) NULL,
(LTE_SystemInformationBlockType1_v1310_IEs_t *)NULL,
0,
(LTE_BCCH_DL_SCH_Message_MBMS_t *) NULL,
(LTE_SchedulingInfo_MBMS_r14_t *) NULL,
(struct LTE_NonMBSFN_SubframeConfig_r14 *) NULL,
(LTE_SystemInformationBlockType1_MBMS_r14_t *) NULL,
(LTE_MBSFN_AreaInfoList_r9_t *) NULL,
(LTE_MBSFNAreaConfiguration_r9_t *) NULL
);
// Configure target eNB SRB2
/// SRB2
SRB2_config = CALLOC(1, sizeof(*SRB2_config));
SRB_configList2 = CALLOC(1, sizeof(*SRB_configList2));
memset(SRB_configList2, 0, sizeof(*SRB_configList2));
SRB2_config->srb_Identity = 2;
SRB2_rlc_config = CALLOC(1, sizeof(*SRB2_rlc_config));
SRB2_config->rlc_Config = SRB2_rlc_config;
SRB2_rlc_config->present = LTE_SRB_ToAddMod__rlc_Config_PR_explicitValue;
SRB2_rlc_config->choice.explicitValue.present = LTE_RLC_Config_PR_am;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.t_PollRetransmit = LTE_T_PollRetransmit_ms15;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.pollPDU = LTE_PollPDU_p8;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.pollByte = LTE_PollByte_kB1000;
SRB2_rlc_config->choice.explicitValue.choice.am.ul_AM_RLC.maxRetxThreshold = LTE_UL_AM_RLC__maxRetxThreshold_t32;
SRB2_rlc_config->choice.explicitValue.choice.am.dl_AM_RLC.t_Reordering = LTE_T_Reordering_ms35;
SRB2_rlc_config->choice.explicitValue.choice.am.dl_AM_RLC.t_StatusProhibit = LTE_T_StatusProhibit_ms10;
SRB2_lchan_config = CALLOC(1, sizeof(*SRB2_lchan_config));
SRB2_config->logicalChannelConfig = SRB2_lchan_config;
SRB2_lchan_config->present = LTE_SRB_ToAddMod__logicalChannelConfig_PR_explicitValue;
SRB2_ul_SpecificParameters = CALLOC(1, sizeof(*SRB2_ul_SpecificParameters));
SRB2_ul_SpecificParameters->priority = 1;
SRB2_ul_SpecificParameters->prioritisedBitRate =
LTE_LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity;
SRB2_ul_SpecificParameters->bucketSizeDuration =
LTE_LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50;
// LCG for CCCH and DCCH is 0 as defined in 36331
logicalchannelgroup = CALLOC(1, sizeof(long));
*logicalchannelgroup = 0;
SRB2_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup;
SRB2_lchan_config->choice.explicitValue.ul_SpecificParameters = SRB2_ul_SpecificParameters;
ASN_SEQUENCE_ADD(&SRB_configList->list, SRB2_config);
ASN_SEQUENCE_ADD(&(*SRB_configList2)->list, SRB2_config);
// Configure target eNB DRB
DRB_configList2 = CALLOC(1, sizeof(*DRB_configList2));
/// DRB
DRB_config = CALLOC(1, sizeof(*DRB_config));
//DRB_config->drb_Identity = (LTE_DRB_Identity_t) 1; //allowed values 1..32
// NN: this is the 1st DRB for this ue, so set it to 1
DRB_config->drb_Identity = (LTE_DRB_Identity_t) 1; // (ue_mod_idP+1); //allowed values 1..32
DRB_config->logicalChannelIdentity = CALLOC(1, sizeof(long));
*(DRB_config->logicalChannelIdentity) = (long)3;
DRB_rlc_config = CALLOC(1, sizeof(*DRB_rlc_config));
DRB_config->rlc_Config = DRB_rlc_config;
DRB_rlc_config->present = LTE_RLC_Config_PR_um_Bi_Directional;
DRB_rlc_config->choice.um_Bi_Directional.ul_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.sn_FieldLength = LTE_SN_FieldLength_size10;
DRB_rlc_config->choice.um_Bi_Directional.dl_UM_RLC.t_Reordering = LTE_T_Reordering_ms35;
DRB_pdcp_config = CALLOC(1, sizeof(*DRB_pdcp_config));
DRB_config->pdcp_Config = DRB_pdcp_config;
DRB_pdcp_config->discardTimer = NULL;
DRB_pdcp_config->rlc_AM = NULL;
PDCP_rlc_UM = CALLOC(1, sizeof(*PDCP_rlc_UM));
DRB_pdcp_config->rlc_UM = PDCP_rlc_UM;
PDCP_rlc_UM->pdcp_SN_Size = LTE_PDCP_Config__rlc_UM__pdcp_SN_Size_len12bits;
DRB_pdcp_config->headerCompression.present = LTE_PDCP_Config__headerCompression_PR_notUsed;
DRB_lchan_config = CALLOC(1, sizeof(*DRB_lchan_config));
DRB_config->logicalChannelConfig = DRB_lchan_config;
DRB_ul_SpecificParameters = CALLOC(1, sizeof(*DRB_ul_SpecificParameters));
DRB_lchan_config->ul_SpecificParameters = DRB_ul_SpecificParameters;
DRB_ul_SpecificParameters->priority = 2; // lower priority than srb1, srb2
DRB_ul_SpecificParameters->prioritisedBitRate =
LTE_LogicalChannelConfig__ul_SpecificParameters__prioritisedBitRate_infinity;
DRB_ul_SpecificParameters->bucketSizeDuration =
LTE_LogicalChannelConfig__ul_SpecificParameters__bucketSizeDuration_ms50;
// LCG for DTCH can take the value from 1 to 3 as defined in 36331: normally controlled by upper layers (like RRM)
logicalchannelgroup_drb = CALLOC(1, sizeof(long));
*logicalchannelgroup_drb = 1;
DRB_ul_SpecificParameters->logicalChannelGroup = logicalchannelgroup_drb;
ASN_SEQUENCE_ADD(&(*DRB_configList2)->list, DRB_config);
mac_MainConfig = CALLOC(1, sizeof(*mac_MainConfig));
ue_context_pP->ue_context.mac_MainConfig = mac_MainConfig;
mac_MainConfig->ul_SCH_Config = CALLOC(1, sizeof(*mac_MainConfig->ul_SCH_Config));
maxHARQ_Tx = CALLOC(1, sizeof(long));
*maxHARQ_Tx = LTE_MAC_MainConfig__ul_SCH_Config__maxHARQ_Tx_n5;
mac_MainConfig->ul_SCH_Config->maxHARQ_Tx = maxHARQ_Tx;
periodicBSR_Timer = CALLOC(1, sizeof(long));
*periodicBSR_Timer = LTE_PeriodicBSR_Timer_r12_sf64;
mac_MainConfig->ul_SCH_Config->periodicBSR_Timer = periodicBSR_Timer;
mac_MainConfig->ul_SCH_Config->retxBSR_Timer = LTE_RetxBSR_Timer_r12_sf320;
mac_MainConfig->ul_SCH_Config->ttiBundling = 0; // FALSE
mac_MainConfig->drx_Config = NULL;
mac_MainConfig->phr_Config = CALLOC(1, sizeof(*mac_MainConfig->phr_Config));
mac_MainConfig->phr_Config->present = LTE_MAC_MainConfig__phr_Config_PR_setup;
mac_MainConfig->phr_Config->choice.setup.periodicPHR_Timer = LTE_MAC_MainConfig__phr_Config__setup__periodicPHR_Timer_sf20; // sf20 = 20 subframes
mac_MainConfig->phr_Config->choice.setup.prohibitPHR_Timer = LTE_MAC_MainConfig__phr_Config__setup__prohibitPHR_Timer_sf20; // sf20 = 20 subframes
mac_MainConfig->phr_Config->choice.setup.dl_PathlossChange = LTE_MAC_MainConfig__phr_Config__setup__dl_PathlossChange_dB1; // Value dB1 =1 dB, dB3 = 3 dB
sr_ProhibitTimer_r9 = CALLOC(1, sizeof(long));
*sr_ProhibitTimer_r9 = 0; // SR tx on PUCCH, Value in number of SR period(s). Value 0 = no timer for SR, Value 2= 2*SR
mac_MainConfig->ext1 = CALLOC(1, sizeof(struct LTE_MAC_MainConfig__ext1));
mac_MainConfig->ext1->sr_ProhibitTimer_r9 = sr_ProhibitTimer_r9;
// Measurement ID list
MeasId_list = CALLOC(1, sizeof(*MeasId_list));
memset((void *)MeasId_list, 0, sizeof(*MeasId_list));
MeasId0 = CALLOC(1, sizeof(*MeasId0));
MeasId0->measId = 1;
MeasId0->measObjectId = 1;
MeasId0->reportConfigId = 1;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId0);
MeasId1 = CALLOC(1, sizeof(*MeasId1));
MeasId1->measId = 2;
MeasId1->measObjectId = 1;
MeasId1->reportConfigId = 2;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId1);
MeasId2 = CALLOC(1, sizeof(*MeasId2));
MeasId2->measId = 3;
MeasId2->measObjectId = 1;
MeasId2->reportConfigId = 3;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId2);
MeasId3 = CALLOC(1, sizeof(*MeasId3));
MeasId3->measId = 4;
MeasId3->measObjectId = 1;
MeasId3->reportConfigId = 4;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId3);
MeasId4 = CALLOC(1, sizeof(*MeasId4));
MeasId4->measId = 5;
MeasId4->measObjectId = 1;
MeasId4->reportConfigId = 5;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId4);
MeasId5 = CALLOC(1, sizeof(*MeasId5));
MeasId5->measId = 6;
MeasId5->measObjectId = 1;
MeasId5->reportConfigId = 6;
ASN_SEQUENCE_ADD(&MeasId_list->list, MeasId5);
// LTE_RRCConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.measConfig->measIdToAddModList = MeasId_list;
// Add one EUTRA Measurement Object
MeasObj_list = CALLOC(1, sizeof(*MeasObj_list));
memset((void *)MeasObj_list, 0, sizeof(*MeasObj_list));
// Configure MeasObject
MeasObj = CALLOC(1, sizeof(*MeasObj));
memset((void *)MeasObj, 0, sizeof(*MeasObj));
MeasObj->measObjectId = 1;
MeasObj->measObject.present = LTE_MeasObjectToAddMod__measObject_PR_measObjectEUTRA;
MeasObj->measObject.choice.measObjectEUTRA.carrierFreq =
to_earfcn_DL(RC.rrc[ctxt_pP->module_id]->configuration.eutra_band[0],
RC.rrc[ctxt_pP->module_id]->configuration.downlink_frequency[0],
RC.rrc[ctxt_pP->module_id]->configuration.N_RB_DL[0]);
MeasObj->measObject.choice.measObjectEUTRA.allowedMeasBandwidth = LTE_AllowedMeasBandwidth_mbw25;
MeasObj->measObject.choice.measObjectEUTRA.presenceAntennaPort1 = 1;
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.buf = CALLOC(1, sizeof(uint8_t));
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.buf[0] = 0;
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.size = 1;
MeasObj->measObject.choice.measObjectEUTRA.neighCellConfig.bits_unused = 6;
MeasObj->measObject.choice.measObjectEUTRA.offsetFreq = NULL; // Default is 15 or 0dB
if (RC.rrc[ctxt_pP->module_id]->num_neigh_cells > 0) {
MeasObj->measObject.choice.measObjectEUTRA.cellsToAddModList =
(LTE_CellsToAddModList_t *) CALLOC(1, sizeof(*CellsToAddModList));
CellsToAddModList = MeasObj->measObject.choice.measObjectEUTRA.cellsToAddModList;
}
if (!ue_context_pP->ue_context.measurement_info) {
ue_context_pP->ue_context.measurement_info = CALLOC(1,sizeof(*(ue_context_pP->ue_context.measurement_info)));
}
//TODO: Assign proper values
ue_context_pP->ue_context.measurement_info->offsetFreq = 0;
ue_context_pP->ue_context.measurement_info->cellIndividualOffset[0] = LTE_Q_OffsetRange_dB0;
/* TODO: Extend to multiple carriers */
// Add adjacent cell lists (max 6 per eNB)
for (i = 0; i < RC.rrc[ctxt_pP->module_id]->num_neigh_cells; i++) {
CellToAdd = (LTE_CellsToAddMod_t *) CALLOC(1, sizeof(*CellToAdd));
CellToAdd->cellIndex = i + 1;
CellToAdd->physCellId = RC.rrc[ctxt_pP->module_id]->neigh_cells_id[i][0];//get_adjacent_cell_id(ctxt_pP->module_id, i);
CellToAdd->cellIndividualOffset = LTE_Q_OffsetRange_dB0;
ue_context_pP->ue_context.measurement_info->cellIndividualOffset[i+1] = CellToAdd->cellIndividualOffset;
ASN_SEQUENCE_ADD(&CellsToAddModList->list, CellToAdd);
}
ASN_SEQUENCE_ADD(&MeasObj_list->list, MeasObj);
// LTE_RRCConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.measConfig->measObjectToAddModList = MeasObj_list;
if (!ue_context_pP->ue_context.measurement_info->events) {
ue_context_pP->ue_context.measurement_info->events = CALLOC(1,sizeof(*(ue_context_pP->ue_context.measurement_info->events)));
}
// Report Configurations for periodical, A1-A5 events
ReportConfig_list = CALLOC(1, sizeof(*ReportConfig_list));
ReportConfig_per = CALLOC(1, sizeof(*ReportConfig_per));
ReportConfig_A1 = CALLOC(1, sizeof(*ReportConfig_A1));
ReportConfig_A2 = CALLOC(1, sizeof(*ReportConfig_A2));
ReportConfig_A3 = CALLOC(1, sizeof(*ReportConfig_A3));
ReportConfig_A4 = CALLOC(1, sizeof(*ReportConfig_A4));
ReportConfig_A5 = CALLOC(1, sizeof(*ReportConfig_A5));
ReportConfig_per->reportConfigId = 1;
ReportConfig_per->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_periodical;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.triggerType.choice.periodical.purpose =
LTE_ReportConfigEUTRA__triggerType__periodical__purpose_reportStrongestCells;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.triggerQuantity = LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_per->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_per);
ReportConfig_A1->reportConfigId = 2;
ReportConfig_A1->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA1;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA1.
a1_Threshold.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA1.
a1_Threshold.choice.threshold_RSRP = 10;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.triggerQuantity = LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A1->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A1);
// if (ho_state == 1 /*HO_MEASUREMENT */ ) {
LOG_I(RRC, "[eNB %d] frame %d: requesting A2, A3, A4, and A5 event reporting\n",
ctxt_pP->module_id, ctxt_pP->frame);
ReportConfig_A2->reportConfigId = 3;
ReportConfig_A2->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA2;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA2.a2_Threshold.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA2.a2_Threshold.choice.threshold_RSRP = 10;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A2->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A2);
ReportConfig_A3->reportConfigId = 4;
ReportConfig_A3->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA3;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA3.a3_Offset = 0; //10;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA3.reportOnLeave = 1;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.hysteresis = 0; // FIXME ...hysteresis is of type long!
ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.timeToTrigger =
LTE_TimeToTrigger_ms40;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A3);
ReportConfig_A4->reportConfigId = 5;
ReportConfig_A4->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA4;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA4.a4_Threshold.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA4.a4_Threshold.choice.threshold_RSRP = 10;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A4->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A4);
ReportConfig_A5->reportConfigId = 6;
ReportConfig_A5->reportConfig.present = LTE_ReportConfigToAddMod__reportConfig_PR_reportConfigEUTRA;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.present =
LTE_ReportConfigEUTRA__triggerType_PR_event;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.present =
LTE_ReportConfigEUTRA__triggerType__event__eventId_PR_eventA5;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold1.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold2.present = LTE_ThresholdEUTRA_PR_threshold_RSRP;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold1.choice.threshold_RSRP = 10;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.
eventA5.a5_Threshold2.choice.threshold_RSRP = 10;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.triggerQuantity =
LTE_ReportConfigEUTRA__triggerQuantity_rsrp;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.reportQuantity = LTE_ReportConfigEUTRA__reportQuantity_both;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.maxReportCells = 2;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.reportInterval = LTE_ReportInterval_ms120;
ReportConfig_A5->reportConfig.choice.reportConfigEUTRA.reportAmount = LTE_ReportConfigEUTRA__reportAmount_infinity;
ASN_SEQUENCE_ADD(&ReportConfig_list->list, ReportConfig_A5);
// rrcConnectionReconfiguration->criticalExtensions.choice.c1.choice.rrcConnectionReconfiguration_r8.measConfig->reportConfigToAddModList = ReportConfig_list;
/* A3 event update */
if (!ue_context_pP->ue_context.measurement_info->events->a3_event) {
ue_context_pP->ue_context.measurement_info->events->a3_event = CALLOC(1,sizeof(*(ue_context_pP->ue_context.measurement_info->events->a3_event)));
}
ue_context_pP->ue_context.measurement_info->events->a3_event->a3_offset = ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA3.a3_Offset;
ue_context_pP->ue_context.measurement_info->events->a3_event->reportOnLeave = ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.eventId.choice.eventA3.reportOnLeave;
ue_context_pP->ue_context.measurement_info->events->a3_event->hysteresis = ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.hysteresis;
ue_context_pP->ue_context.measurement_info->events->a3_event->timeToTrigger = ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.triggerType.choice.event.timeToTrigger;
ue_context_pP->ue_context.measurement_info->events->a3_event->maxReportCells = ReportConfig_A3->reportConfig.choice.reportConfigEUTRA.maxReportCells;
#if 0
/* TODO: set a proper value.
* 20 means: UE does not report if RSRP of serving cell is higher
* than -120 dB (see 36.331 5.5.3.1).
* This is too low for the X2 handover experiment.
*/
rsrp = CALLOC(1, sizeof(RSRP_Range_t));
*rsrp = 20;
#endif
Sparams = CALLOC(1, sizeof(*Sparams));
Sparams->present = LTE_MeasConfig__speedStatePars_PR_setup;
Sparams->choice.setup.timeToTrigger_SF.sf_High = LTE_SpeedStateScaleFactors__sf_Medium_oDot75;
Sparams->choice.setup.timeToTrigger_SF.sf_Medium = LTE_SpeedStateScaleFactors__sf_High_oDot5;
Sparams->choice.setup.mobilityStateParameters.n_CellChangeHigh = 10;
Sparams->choice.setup.mobilityStateParameters.n_CellChangeMedium = 5;
Sparams->choice.setup.mobilityStateParameters.t_Evaluation = LTE_MobilityStateParameters__t_Evaluation_s60;
Sparams->choice.setup.mobilityStateParameters.t_HystNormal = LTE_MobilityStateParameters__t_HystNormal_s120;
quantityConfig = CALLOC(1, sizeof(*quantityConfig));
memset((void *)quantityConfig, 0, sizeof(*quantityConfig));
quantityConfig->quantityConfigEUTRA = CALLOC(1, sizeof(struct LTE_QuantityConfigEUTRA));
memset((void *)quantityConfig->quantityConfigEUTRA, 0, sizeof(*quantityConfig->quantityConfigEUTRA));
quantityConfig->quantityConfigCDMA2000 = NULL;
quantityConfig->quantityConfigGERAN = NULL;
quantityConfig->quantityConfigUTRA = NULL;
quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP =
CALLOC(1, sizeof(*(quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP)));
quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ =
CALLOC(1, sizeof(*(quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ)));
*quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP = LTE_FilterCoefficient_fc4;
*quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ = LTE_FilterCoefficient_fc4;
ue_context_pP->ue_context.measurement_info->filterCoefficientRSRP = *quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP;
ue_context_pP->ue_context.measurement_info->filterCoefficientRSRQ = *quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ;
/* mobilityinfo */
mobilityInfo = ue_context_pP->ue_context.mobilityInfo;
if (mobilityInfo) {
free(mobilityInfo);
}
mobilityInfo = CALLOC(1, sizeof(*mobilityInfo));
memset((void *)mobilityInfo, 0, sizeof(*mobilityInfo));
mobilityInfo->targetPhysCellId = RC.rrc[ctxt_pP->module_id]->carrier[0].physCellId;
//(PhysCellId_t) two_tier_hexagonal_cellIds[ue_context_pP->ue_context.handover_info->modid_t];
LOG_D(RRC, "[eNB %d] Frame %d: handover preparation: targetPhysCellId: %ld mod_id: %d ue: %x \n",
ctxt_pP->module_id,
ctxt_pP->frame,
mobilityInfo->targetPhysCellId,
ctxt_pP->module_id, // get_adjacent_cell_mod_id(mobilityInfo->targetPhysCellId),
ue_context_pP->ue_context.rnti);
mobilityInfo->additionalSpectrumEmission = CALLOC(1, sizeof(*mobilityInfo->additionalSpectrumEmission));
*mobilityInfo->additionalSpectrumEmission = (LTE_AdditionalSpectrumEmission_t) 1; //Check this value!
mobilityInfo->t304 = LTE_MobilityControlInfo__t304_ms200; // need to configure an appropriate value here
// New UE Identity (C-RNTI) to identify an UE uniquely in a cell
mobilityInfo->newUE_Identity.size = 2;
mobilityInfo->newUE_Identity.bits_unused = 0;
mobilityInfo->newUE_Identity.buf = rv;
mobilityInfo->newUE_Identity.buf[0] = rv[0];
mobilityInfo->newUE_Identity.buf[1] = rv[1];
//memset((void *)&mobilityInfo->radioResourceConfigCommon,(void *)&rrc_inst->sib2->radioResourceConfigCommon,sizeof(RadioResourceConfigCommon_t));
//memset((void *)&mobilityInfo->radioResourceConfigCommon,0,sizeof(RadioResourceConfigCommon_t));
// Configuring radioResourceConfigCommon
mobilityInfo->radioResourceConfigCommon.rach_ConfigCommon =
CALLOC(1, sizeof(*mobilityInfo->radioResourceConfigCommon.rach_ConfigCommon));
memcpy((void *)mobilityInfo->radioResourceConfigCommon.rach_ConfigCommon,
(void *)&rrc_inst->carrier[0] /* CROUX TBC */.sib2->radioResourceConfigCommon.rach_ConfigCommon, sizeof(LTE_RACH_ConfigCommon_t));
mobilityInfo->radioResourceConfigCommon.prach_Config.prach_ConfigInfo =
CALLOC(1, sizeof(*mobilityInfo->radioResourceConfigCommon.prach_Config.prach_ConfigInfo));
memcpy((void *)mobilityInfo->radioResourceConfigCommon.prach_Config.prach_ConfigInfo,
(void *)&rrc_inst->carrier[0] /* CROUX TBC */.sib2->radioResourceConfigCommon.prach_Config.prach_ConfigInfo,
sizeof(LTE_PRACH_ConfigInfo_t));
mobilityInfo->radioResourceConfigCommon.prach_Config.rootSequenceIndex =
rrc_inst->carrier[0] /* CROUX TBC */.sib2->radioResourceConfigCommon.prach_Config.rootSequenceIndex;
mobilityInfo->radioResourceConfigCommon.pdsch_ConfigCommon =
CALLOC(1, sizeof(*mobilityInfo->radioResourceConfigCommon.pdsch_ConfigCommon));
memcpy((void *)mobilityInfo->radioResourceConfigCommon.pdsch_ConfigCommon,
(void *)&rrc_inst->carrier[0] /* CROUX TBC */.sib2->radioResourceConfigCommon.pdsch_ConfigCommon, sizeof(LTE_PDSCH_ConfigCommon_t));
memcpy((void *)&mobilityInfo->radioResourceConfigCommon.pusch_ConfigCommon,
(void *)&rrc_inst->carrier[0] /* CROUX TBC */.sib2->radioResourceConfigCommon.pusch_ConfigCommon, sizeof(LTE_PUSCH_ConfigCommon_t));
mobilityInfo->radioResourceConfigCommon.phich_Config = NULL;
mobilityInfo->radioResourceConfigCommon.pucch_ConfigCommon =
CALLOC(1, sizeof(*mobilityInfo->radioResourceConfigCommon.pucch_ConfigCommon));
memcpy((void *)mobilityInfo->radioResourceConfigCommon.pucch_ConfigCommon,
(void *)&rrc_inst->carrier[0] /* CROUX TBC */.sib2->radioResourceConfigCommon.pucch_ConfigCommon, sizeof(LTE_PUCCH_ConfigCommon_t));
mobilityInfo->radioResourceConfigCommon.soundingRS_UL_ConfigCommon =
CALLOC(1, sizeof(*mobilityInfo->radioResourceConfigCommon.soundingRS_UL_ConfigCommon));
memcpy((void *)mobilityInfo->radioResourceConfigCommon.soundingRS_UL_ConfigCommon,
(void *)&rrc_inst->carrier[0] /* CROUX TBC */.sib2->radioResourceConfigCommon.soundingRS_UL_ConfigCommon,
sizeof(LTE_SoundingRS_UL_ConfigCommon_t));
mobilityInfo->radioResourceConfigCommon.uplinkPowerControlCommon =
CALLOC(1, sizeof(*mobilityInfo->radioResourceConfigCommon.uplinkPowerControlCommon));
memcpy((void *)mobilityInfo->radioResourceConfigCommon.uplinkPowerControlCommon,
(void *)&rrc_inst->carrier[0] /* CROUX TBC */.sib2->radioResourceConfigCommon.uplinkPowerControlCommon,
sizeof(LTE_UplinkPowerControlCommon_t));
mobilityInfo->radioResourceConfigCommon.antennaInfoCommon = NULL;
mobilityInfo->radioResourceConfigCommon.p_Max = NULL; // CALLOC(1,sizeof(*mobilityInfo->radioResourceConfigCommon.p_Max));
//memcpy((void *)mobilityInfo->radioResourceConfigCommon.p_Max,(void *)rrc_inst->sib1->p_Max,sizeof(P_Max_t));
mobilityInfo->radioResourceConfigCommon.tdd_Config = NULL; //CALLOC(1,sizeof(TDD_Config_t));
//memcpy((void *)mobilityInfo->radioResourceConfigCommon.tdd_Config,(void *)rrc_inst->sib1->tdd_Config,sizeof(TDD_Config_t));
mobilityInfo->radioResourceConfigCommon.ul_CyclicPrefixLength =
rrc_inst->carrier[0] /* CROUX TBC */.sib2->radioResourceConfigCommon.ul_CyclicPrefixLength;
//End of configuration of radioResourceConfigCommon
mobilityInfo->carrierFreq = CALLOC(1, sizeof(*mobilityInfo->carrierFreq)); //CALLOC(1,sizeof(CarrierFreqEUTRA_t)); 36090
mobilityInfo->carrierFreq->dl_CarrierFreq =
to_earfcn_DL(RC.rrc[ctxt_pP->module_id]->configuration.eutra_band[0],
RC.rrc[ctxt_pP->module_id]->configuration.downlink_frequency[0],
RC.rrc[ctxt_pP->module_id]->configuration.N_RB_DL[0]);
mobilityInfo->carrierFreq->ul_CarrierFreq = NULL;
mobilityInfo->carrierBandwidth = CALLOC(1, sizeof(
*mobilityInfo->carrierBandwidth)); //CALLOC(1,sizeof(struct CarrierBandwidthEUTRA)); AllowedMeasBandwidth_mbw25
mobilityInfo->carrierBandwidth->dl_Bandwidth = LTE_CarrierBandwidthEUTRA__dl_Bandwidth_n25;
mobilityInfo->carrierBandwidth->ul_Bandwidth = NULL;
mobilityInfo->rach_ConfigDedicated = NULL;
ue_context_pP->ue_context.mobilityInfo = mobilityInfo;
#if 0
LOG_I(RRC,
"[eNB %d] Frame %d: potential handover preparation: store the information in an intermediate structure in case of failure\n",
ctxt_pP->module_id, ctxt_pP->frame);
// store the information in an intermediate structure for Hanodver management
//rrc_inst->handover_info.as_config.sourceRadioResourceConfig.srb_ToAddModList = CALLOC(1,sizeof());
ue_context_pP->ue_context.handover_info = CALLOC(1, sizeof(*(ue_context_pP->ue_context.handover_info)));
//memcpy((void *)rrc_inst->handover_info[ue_mod_idP]->as_config.sourceRadioResourceConfig.srb_ToAddModList,(void *)SRB_list,sizeof(SRB_ToAddModList_t));
ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.srb_ToAddModList = *SRB_configList2;
//memcpy((void *)rrc_inst->handover_info[ue_mod_idP]->as_config.sourceRadioResourceConfig.drb_ToAddModList,(void *)DRB_list,sizeof(DRB_ToAddModList_t));
ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.drb_ToAddModList = *DRB_configList;
ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.drb_ToReleaseList = NULL;
ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.mac_MainConfig =
CALLOC(1, sizeof(*ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.mac_MainConfig));
memcpy((void *)ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.mac_MainConfig,
(void *)mac_MainConfig, sizeof(MAC_MainConfig_t));
ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.physicalConfigDedicated =
CALLOC(1, sizeof(PhysicalConfigDedicated_t));
memcpy((void *)ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.physicalConfigDedicated,
(void *)ue_context_pP->ue_context.physicalConfigDedicated, sizeof(PhysicalConfigDedicated_t));
ue_context_pP->ue_context.handover_info->as_config.sourceRadioResourceConfig.sps_Config = NULL;
//memcpy((void *)rrc_inst->handover_info[ue_mod_idP]->as_config.sourceRadioResourceConfig.sps_Config,(void *)rrc_inst->sps_Config[ue_mod_idP],sizeof(SPS_Config_t));
#endif
// }
securityConfigHO = CALLOC(1, sizeof(*securityConfigHO));
memset((void *)securityConfigHO, 0, sizeof(*securityConfigHO));
securityConfigHO->handoverType.present = LTE_SecurityConfigHO__handoverType_PR_intraLTE;
securityConfigHO->handoverType.choice.intraLTE.securityAlgorithmConfig = NULL; /* TODO: to be checked */
securityConfigHO->handoverType.choice.intraLTE.keyChangeIndicator = 0;
securityConfigHO->handoverType.choice.intraLTE.nextHopChainingCount = 0;
/* Initialize NAS list */
dedicatedInfoNASList = CALLOC(1, sizeof(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList));
/* Add all NAS PDUs to the list */
for (i = 0; i < ue_context_pP->ue_context.nb_of_e_rabs; i++) {
if (ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer != NULL) {
dedicatedInfoNas = CALLOC(1, sizeof(LTE_DedicatedInfoNAS_t));
memset(dedicatedInfoNas, 0, sizeof(OCTET_STRING_t));
OCTET_STRING_fromBuf(dedicatedInfoNas,
(char *)ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer,
ue_context_pP->ue_context.e_rab[i].param.nas_pdu.length);
ASN_SEQUENCE_ADD(&dedicatedInfoNASList->list, dedicatedInfoNas);
}
/* TODO parameters yet to process ... */
{
// ue_context_pP->ue_context.e_rab[i].param.qos;
// ue_context_pP->ue_context.e_rab[i].param.sgw_addr;
// ue_context_pP->ue_context.e_rab[i].param.gtp_teid;
}
/* TODO should test if e RAB are Ok before! */
ue_context_pP->ue_context.e_rab[i].status = E_RAB_STATUS_DONE;
LOG_D(RRC, "setting the status for the default DRB (index %d) to (%d,%s)\n",
i, ue_context_pP->ue_context.e_rab[i].status, "E_RAB_STATUS_DONE");
}
/* If list is empty free the list and reset the address */
if (dedicatedInfoNASList->list.count == 0) {
free(dedicatedInfoNASList);
dedicatedInfoNASList = NULL;
}
measurements_enabled = RC.rrc[ENB_INSTANCE_TO_MODULE_ID(ctxt_pP->instance)]->configuration.enable_x2 ||
RC.rrc[ENB_INSTANCE_TO_MODULE_ID(ctxt_pP->instance)]->configuration.enable_measurement_reports;
memset(buffer, 0, RRC_BUF_SIZE);
char rrc_buf[1000 /* arbitrary, should be big enough, has to be less than size of return buf by a few bits/bytes */];
int rrc_size;
rrc_size = do_RRCConnectionReconfiguration(ctxt_pP,
(unsigned char *)rrc_buf,
xid, //Transaction_id,
NULL, // SRB_configList
NULL,
NULL, // DRB2_list,
(struct LTE_SPS_Config *)NULL, // *sps_Config,
(struct LTE_PhysicalConfigDedicated *)*physicalConfigDedicated,
//#ifdef EXMIMO_IOT
// NULL, NULL, NULL,NULL,
//#else
measurements_enabled ? (LTE_MeasObjectToAddModList_t *)MeasObj_list : NULL,
measurements_enabled ? (LTE_ReportConfigToAddModList_t *)ReportConfig_list : NULL,
measurements_enabled ? (LTE_QuantityConfig_t *)quantityConfig : NULL,
measurements_enabled ? (LTE_MeasIdToAddModList_t *)MeasId_list : NULL,
//#endif
(LTE_MAC_MainConfig_t *)mac_MainConfig,
(LTE_MeasGapConfig_t *)NULL,
(LTE_MobilityControlInfo_t *)mobilityInfo,
(LTE_SecurityConfigHO_t *)securityConfigHO,
(struct LTE_MeasConfig__speedStatePars *)Sparams,
(LTE_RSRP_Range_t *)rsrp,
(LTE_C_RNTI_t *)cba_RNTI,
(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *)dedicatedInfoNASList,
(LTE_SL_CommConfig_r12_t *)NULL,
(LTE_SL_DiscConfig_r12_t *)NULL,
(LTE_SCellToAddMod_r10_t *)NULL
);
if (rrc_size <= 0) {
printf("%s:%d: fatal\n", __FILE__, __LINE__);
abort();
}
char *ho_buf = (char *)buffer;
int ho_size;
ho_size = do_HandoverCommand(
ho_buf, 1024 /* TODO: this is the value found in struct x2ap_handover_req_ack_s for array rrc_buffer */,
rrc_buf,
rrc_size);
*_size = size = ho_size;
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)buffer,size,
"[MSG] RRC Connection Reconfiguration handover\n");
/* Free all NAS PDUs */
for (i = 0; i < ue_context_pP->ue_context.nb_of_e_rabs; i++) {
if (ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer != NULL) {
/* Free the NAS PDU buffer and invalidate it */
free(ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer);
ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer = NULL;
}
}
LOG_I(RRC,
"[eNB %d] Frame %d, Logical Channel DL-DCCH, Generate RRCConnectionReconfiguration handover (bytes %d, UE id %x)\n",
ctxt_pP->module_id, ctxt_pP->frame, size, ue_context_pP->ue_context.rnti);
LOG_D(RRC,
"[FRAME %05d][RRC_eNB][MOD %u][][--- PDCP_DATA_REQ/%d Bytes (rrcConnectionReconfiguration handover to UE %x MUI %d) --->][PDCP][MOD %u][RB %u]\n",
ctxt_pP->frame, ctxt_pP->module_id, size, ue_context_pP->ue_context.rnti, rrc_eNB_mui, ctxt_pP->module_id, DCCH);
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
buffer,
size,
MSC_AS_TIME_FMT" rrcConnectionReconfiguration handover UE %x MUI %d size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
rrc_eNB_mui,
size);
/* Refresh SRBs/DRBs */
rrc_pdcp_config_asn1_req(ctxt_pP,
*SRB_configList2, // NULL,
*DRB_configList,
NULL,
0xff, // already configured during the securitymodecommand
NULL,
NULL,
NULL
#if (LTE_RRC_VERSION >= MAKE_VERSION(9, 0, 0))
, (LTE_PMCH_InfoList_r9_t *) NULL
#endif
, NULL);
/* Refresh SRBs/DRBs */
if (!NODE_IS_CU(RC.rrc[ctxt_pP->module_id]->node_type)) {
rrc_rlc_config_asn1_req(ctxt_pP,
*SRB_configList2, // NULL,
*DRB_configList,
NULL
#if (LTE_RRC_VERSION >= MAKE_VERSION(9, 0, 0))
, (LTE_PMCH_InfoList_r9_t *) NULL,
0,
0
#endif
);
}
free(quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ);
quantityConfig->quantityConfigEUTRA->filterCoefficientRSRQ = NULL;
free(quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP);
quantityConfig->quantityConfigEUTRA->filterCoefficientRSRP = NULL;
free(quantityConfig->quantityConfigEUTRA);
quantityConfig->quantityConfigEUTRA = NULL;
free(quantityConfig);
quantityConfig = NULL;
free(securityConfigHO);
securityConfigHO = NULL;
free(Sparams);
Sparams = NULL;
}
void
rrc_eNB_configure_rbs_handover(struct rrc_eNB_ue_context_s *ue_context_p, protocol_ctxt_t *const ctxt_pP) {
uint16_t Idx;
Idx = DCCH;
#if 1
// Activate the radio bearers
// SRB1
ue_context_p->ue_context.Srb1.Active = 1;
ue_context_p->ue_context.Srb1.Srb_info.Srb_id = Idx;
memcpy(&ue_context_p->ue_context.Srb1.Srb_info.Lchan_desc[0], &DCCH_LCHAN_DESC, LCHAN_DESC_SIZE);
memcpy(&ue_context_p->ue_context.Srb1.Srb_info.Lchan_desc[1], &DCCH_LCHAN_DESC, LCHAN_DESC_SIZE);
// SRB2
ue_context_p->ue_context.Srb2.Active = 1;
ue_context_p->ue_context.Srb2.Srb_info.Srb_id = Idx;
memcpy(&ue_context_p->ue_context.Srb2.Srb_info.Lchan_desc[0], &DCCH_LCHAN_DESC, LCHAN_DESC_SIZE);
memcpy(&ue_context_p->ue_context.Srb2.Srb_info.Lchan_desc[1], &DCCH_LCHAN_DESC, LCHAN_DESC_SIZE);
#endif
LOG_I(RRC, "[eNB %d] CALLING RLC CONFIG SRB1 (rbid %d) for UE %x\n",
ctxt_pP->module_id, Idx, ue_context_p->ue_context.rnti);
// Configure PDCP/RLC for the target
rrc_pdcp_config_asn1_req(ctxt_pP,
ue_context_p->ue_context.SRB_configList,
(LTE_DRB_ToAddModList_t *) NULL,
(LTE_DRB_ToReleaseList_t *) NULL,
0xff,
NULL,
NULL,
NULL,
(LTE_PMCH_InfoList_r9_t *) NULL, NULL);
if (!NODE_IS_CU(RC.rrc[ctxt_pP->module_id]->node_type)) {
rrc_rlc_config_asn1_req(ctxt_pP,
ue_context_p->ue_context.SRB_configList,
(LTE_DRB_ToAddModList_t *) NULL,
(LTE_DRB_ToReleaseList_t *) NULL,
(LTE_PMCH_InfoList_r9_t *) NULL, 0, 0
);
}
if (EPC_MODE_ENABLED) {
rrc_eNB_process_security (
ctxt_pP,
ue_context_p,
&ue_context_p->ue_context.security_capabilities);
process_eNB_security_key (
ctxt_pP,
ue_context_p,
ue_context_p->ue_context.kenb);
rrc_pdcp_config_security(
ctxt_pP,
ue_context_p,
FALSE);
}
// Add a new user (called during the HO procedure)
LOG_I(RRC, "rrc_eNB_target_add_ue_handover module_id %d rnti %d\n", ctxt_pP->module_id, ctxt_pP->rnti);
// Configure MAC for the target
rrc_mac_config_req_eNB(
ctxt_pP->module_id,
ue_context_p->ue_context.primaryCC_id,
0,0,0,0,0, 0,
ue_context_p->ue_context.rnti,
(LTE_BCCH_BCH_Message_t *) NULL,
(LTE_RadioResourceConfigCommonSIB_t *) NULL,
(LTE_RadioResourceConfigCommonSIB_t *) NULL,
ue_context_p->ue_context.physicalConfigDedicated,
(LTE_SCellToAddMod_r10_t *)NULL,
(LTE_MeasObjectToAddMod_t **) NULL,
ue_context_p->ue_context.mac_MainConfig,
1,
NULL,//SRB1_logicalChannelConfig,
ue_context_p->ue_context.measGapConfig,
(LTE_TDD_Config_t *) NULL,
(LTE_MobilityControlInfo_t *) ue_context_p->ue_context.mobilityInfo,
(LTE_SchedulingInfoList_t *) NULL,
0,
NULL,
NULL,
(LTE_MBSFN_SubframeConfigList_t *) NULL, 0,
(LTE_MBSFN_AreaInfoList_r9_t *) NULL, (LTE_PMCH_InfoList_r9_t *) NULL,
(LTE_SystemInformationBlockType1_v1310_IEs_t *)NULL,
0,
(LTE_BCCH_DL_SCH_Message_MBMS_t *) NULL,
(LTE_SchedulingInfo_MBMS_r14_t *) NULL,
(struct LTE_NonMBSFN_SubframeConfig_r14 *) NULL,
(LTE_SystemInformationBlockType1_MBMS_r14_t *) NULL,
(LTE_MBSFN_AreaInfoList_r9_t *) NULL,
(LTE_MBSFNAreaConfiguration_r9_t *) NULL
);
}
//-----------------------------------------------------------------------------
/*
* Process the RRC Connection Reconfiguration Complete from the UE
*/
void
rrc_eNB_process_RRCConnectionReconfigurationComplete(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *ue_context_pP,
const uint8_t xid
)
//-----------------------------------------------------------------------------
{
int drb_id;
int oip_ifup = 0;
int dest_ip_offset = 0;
uint8_t *kRRCenc = NULL;
uint8_t *kRRCint = NULL;
uint8_t *kUPenc = NULL;
LTE_DRB_ToAddModList_t *DRB_configList = ue_context_pP->ue_context.DRB_configList2[xid];
LTE_SRB_ToAddModList_t *SRB_configList = ue_context_pP->ue_context.SRB_configList2[xid];
LTE_DRB_ToReleaseList_t *DRB_Release_configList2 = ue_context_pP->ue_context.DRB_Release_configList2[xid];
LTE_DRB_Identity_t *drb_id_p = NULL;
ue_context_pP->ue_context.ue_reestablishment_timer = 0;
ue_context_pP->ue_context.ue_rrc_inactivity_timer = 1; // reset rrc inactivity timer
/* CDRX: activated when RRC Connection Reconfiguration Complete is received */
rnti_t rnti = ue_context_pP->ue_id_rnti;
module_id_t module_id = ctxt_pP->module_id;
if (NODE_IS_MONOLITHIC(RC.rrc[module_id]->node_type)) {
int UE_id_mac = find_UE_id(module_id, rnti);
if (UE_id_mac == -1) {
LOG_E(RRC, "Can't find UE_id(MAC) of UE rnti %x\n", rnti);
return;
}
UE_sched_ctrl_t *UE_scheduling_control = &(RC.mac[module_id]->UE_info.UE_sched_ctrl[UE_id_mac]);
if (UE_scheduling_control->cdrx_waiting_ack == TRUE) {
UE_scheduling_control->cdrx_waiting_ack = FALSE;
UE_scheduling_control->cdrx_configured = TRUE; // Set to TRUE when RRC Connection Reconfiguration is received
LOG_I(RRC, "CDRX configuration activated after RRC Connection Reconfiguration Complete reception\n");
}
}
/* End of CDRX processing */
T(T_ENB_RRC_CONNECTION_RECONFIGURATION_COMPLETE,
T_INT(ctxt_pP->module_id),
T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe),
T_INT(ctxt_pP->rnti));
/* Derive the keys from kenb */
if (DRB_configList != NULL) {
derive_key_up_enc(ue_context_pP->ue_context.ciphering_algorithm,
ue_context_pP->ue_context.kenb,
&kUPenc);
}
derive_key_rrc_enc(ue_context_pP->ue_context.ciphering_algorithm,
ue_context_pP->ue_context.kenb,
&kRRCenc);
derive_key_rrc_int(ue_context_pP->ue_context.integrity_algorithm,
ue_context_pP->ue_context.kenb,
&kRRCint);
/* Refresh SRBs/DRBs */
MSC_LOG_TX_MESSAGE(MSC_RRC_ENB, MSC_PDCP_ENB, NULL, 0, MSC_AS_TIME_FMT" CONFIG_REQ UE %x DRB (security unchanged)",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti);
rrc_pdcp_config_asn1_req(ctxt_pP,
SRB_configList, // NULL,
DRB_configList,
DRB_Release_configList2,
0xff, // already configured during the securitymodecommand
kRRCenc,
kRRCint,
kUPenc,
(LTE_PMCH_InfoList_r9_t *) NULL,
NULL);
/* Refresh SRBs/DRBs */
if (!NODE_IS_CU(RC.rrc[ctxt_pP->module_id]->node_type)) {
rrc_rlc_config_asn1_req(ctxt_pP,
SRB_configList, // NULL,
DRB_configList,
DRB_Release_configList2,
(LTE_PMCH_InfoList_r9_t *) NULL,
0,
0
);
}
/* Set the SRB active in UE context */
if (SRB_configList != NULL) {
for (int i = 0; (i < SRB_configList->list.count) && (i < 3); i++) {
if (SRB_configList->list.array[i]->srb_Identity == 1) {
ue_context_pP->ue_context.Srb1.Active = 1;
} else if (SRB_configList->list.array[i]->srb_Identity == 2) {
ue_context_pP->ue_context.Srb2.Active = 1;
ue_context_pP->ue_context.Srb2.Srb_info.Srb_id = 2;
LOG_I(RRC,"[eNB %d] Frame %d CC %d : SRB2 is now active\n",
ctxt_pP->module_id,
ctxt_pP->frame,
ue_context_pP->ue_context.primaryCC_id);
} else {
LOG_W(RRC,"[eNB %d] Frame %d CC %d : invalide SRB identity %ld\n",
ctxt_pP->module_id,
ctxt_pP->frame,
ue_context_pP->ue_context.primaryCC_id,
SRB_configList->list.array[i]->srb_Identity);
}
}
free(SRB_configList);
ue_context_pP->ue_context.SRB_configList2[xid] = NULL;
}
/* Loop through DRBs and establish if necessary */
if (DRB_configList != NULL) {
for (int i = 0; i < DRB_configList->list.count; i++) { // num max DRB (11-3-8)
if (DRB_configList->list.array[i]) {
drb_id = (int)DRB_configList->list.array[i]->drb_Identity;
LOG_I(RRC, "[eNB %d] Frame %d : Logical Channel UL-DCCH, Received LTE_RRCConnectionReconfigurationComplete from UE rnti %x, reconfiguring DRB %d/LCID %d\n",
ctxt_pP->module_id,
ctxt_pP->frame,
ctxt_pP->rnti,
(int)DRB_configList->list.array[i]->drb_Identity,
(int)*DRB_configList->list.array[i]->logicalChannelIdentity);
/* For pre-ci tests */
LOG_I(RRC, "[eNB %d] Frame %d : Logical Channel UL-DCCH, Received LTE_RRCConnectionReconfigurationComplete from UE %u, reconfiguring DRB %d/LCID %d\n",
ctxt_pP->module_id,
ctxt_pP->frame,
oai_emulation.info.eNB_ue_local_uid_to_ue_module_id[ctxt_pP->module_id][ue_context_pP->local_uid],
(int)DRB_configList->list.array[i]->drb_Identity,
(int)*DRB_configList->list.array[i]->logicalChannelIdentity);
if (ue_context_pP->ue_context.DRB_active[drb_id] == 0) {
ue_context_pP->ue_context.DRB_active[drb_id] = 1;
LOG_D(RRC, "[eNB %d] Frame %d: Establish RLC UM Bidirectional, DRB %d Active\n",
ctxt_pP->module_id, ctxt_pP->frame, (int)DRB_configList->list.array[i]->drb_Identity);
if (!EPC_MODE_ENABLED && !ENB_NAS_USE_TUN) {
LOG_I(OIP, "[eNB %d] trying to bring up the OAI interface oai%d\n",
ctxt_pP->module_id,
ctxt_pP->module_id);
oip_ifup = nas_config(ctxt_pP->module_id, // interface index
ctxt_pP->module_id + 1, // third octet
ctxt_pP->module_id + 1, // fourth octet
"oai");
if (oip_ifup == 0) { // interface is up --> send a config the DRB
module_id_t ue_module_id;
dest_ip_offset = 8;
LOG_I(OIP,
"[eNB %d] Config the oai%d to send/receive pkt on DRB %ld to/from the protocol stack\n",
ctxt_pP->module_id, ctxt_pP->module_id,
(long int)((ue_context_pP->local_uid * LTE_maxDRB) + DRB_configList->list.array[i]->drb_Identity));
ue_module_id = oai_emulation.info.eNB_ue_local_uid_to_ue_module_id[ctxt_pP->module_id][ue_context_pP->local_uid];
rb_conf_ipv4(0, //add
ue_module_id, //cx
ctxt_pP->module_id, //inst
(ue_module_id * LTE_maxDRB) + DRB_configList->list.array[i]->drb_Identity, // RB
0, //dscp
ipv4_address(ctxt_pP->module_id + 1, ctxt_pP->module_id + 1), //saddr
ipv4_address(ctxt_pP->module_id + 1, dest_ip_offset + ue_module_id + 1)); //daddr
LOG_D(RRC, "[eNB %d] State = Attached (UE rnti %x module id %u)\n",
ctxt_pP->module_id, ue_context_pP->ue_context.rnti, ue_module_id);
} /* oip_ifup */
} /* !EPC_MODE_ENABLED && ENB_NAS_USE_TUN*/
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RRC_eNB --- MAC_CONFIG_REQ (DRB) ---> MAC_eNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
if (DRB_configList->list.array[i]->logicalChannelIdentity) {
DRB2LCHAN[i] = (uint8_t) * DRB_configList->list.array[i]->logicalChannelIdentity;
}
if (NODE_IS_MONOLITHIC(RC.rrc[ctxt_pP->module_id]->node_type)) {
rrc_mac_config_req_eNB(ctxt_pP->module_id,
ue_context_pP->ue_context.primaryCC_id,
0,
0,
0,
0,
0,
0,
ue_context_pP->ue_context.rnti,
(LTE_BCCH_BCH_Message_t *) NULL,
(LTE_RadioResourceConfigCommonSIB_t *) NULL,
(LTE_RadioResourceConfigCommonSIB_t *) NULL,
ue_context_pP->ue_context.physicalConfigDedicated,
(LTE_SCellToAddMod_r10_t *)NULL,
(LTE_MeasObjectToAddMod_t **) NULL,
ue_context_pP->ue_context.mac_MainConfig,
DRB2LCHAN[i],
DRB_configList->list.array[i]->logicalChannelConfig,
ue_context_pP->ue_context.measGapConfig,
(LTE_TDD_Config_t *) NULL,
NULL,
(LTE_SchedulingInfoList_t *) NULL,
0,
NULL,
NULL,
(LTE_MBSFN_SubframeConfigList_t *) NULL, 0,
(LTE_MBSFN_AreaInfoList_r9_t *) NULL,
(LTE_PMCH_InfoList_r9_t *) NULL,
(LTE_SystemInformationBlockType1_v1310_IEs_t *) NULL,
0,
(LTE_BCCH_DL_SCH_Message_MBMS_t *) NULL,
(LTE_SchedulingInfo_MBMS_r14_t *) NULL,
(struct LTE_NonMBSFN_SubframeConfig_r14 *) NULL,
(LTE_SystemInformationBlockType1_MBMS_r14_t *) NULL,
(LTE_MBSFN_AreaInfoList_r9_t *) NULL,
(LTE_MBSFNAreaConfiguration_r9_t *) NULL
);
}
} else { // remove LCHAN from MAC/PHY
if (DRB_configList->list.array[i]->logicalChannelIdentity) {
DRB2LCHAN[i] = (uint8_t) * DRB_configList->list.array[i]->logicalChannelIdentity;
}
LOG_D(RRC, PROTOCOL_RRC_CTXT_UE_FMT" RRC_eNB --- MAC_CONFIG_REQ (DRB) ---> MAC_eNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
if (NODE_IS_MONOLITHIC(RC.rrc[ctxt_pP->module_id]->node_type)) {
rrc_mac_config_req_eNB(ctxt_pP->module_id,
ue_context_pP->ue_context.primaryCC_id,
0,
0,
0,
0,
0,
0,
ue_context_pP->ue_context.rnti,
(LTE_BCCH_BCH_Message_t *) NULL,
(LTE_RadioResourceConfigCommonSIB_t *) NULL,
(LTE_RadioResourceConfigCommonSIB_t *) NULL,
ue_context_pP->ue_context.physicalConfigDedicated,
(LTE_SCellToAddMod_r10_t *) NULL,
(LTE_MeasObjectToAddMod_t **) NULL,
ue_context_pP->ue_context.mac_MainConfig,
DRB2LCHAN[i],
(LTE_LogicalChannelConfig_t *) NULL,
(LTE_MeasGapConfig_t *) NULL,
(LTE_TDD_Config_t *) NULL,
NULL,
(LTE_SchedulingInfoList_t *) NULL,
0,
NULL,
NULL,
NULL,
0,
(LTE_MBSFN_AreaInfoList_r9_t *) NULL,
(LTE_PMCH_InfoList_r9_t *) NULL,
(LTE_SystemInformationBlockType1_v1310_IEs_t *) NULL,
0,
(LTE_BCCH_DL_SCH_Message_MBMS_t *) NULL,
(LTE_SchedulingInfo_MBMS_r14_t *) NULL,
(struct LTE_NonMBSFN_SubframeConfig_r14 *) NULL,
(LTE_SystemInformationBlockType1_MBMS_r14_t *) NULL,
(LTE_MBSFN_AreaInfoList_r9_t *) NULL,
(LTE_MBSFNAreaConfiguration_r9_t *) NULL
);
}
} // end else of if (ue_context_pP->ue_context.DRB_active[drb_id] == 0)
} // end if (DRB_configList->list.array[i])
} // end for (int i = 0; i < DRB_configList->list.count; i++)
free(DRB_configList);
ue_context_pP->ue_context.DRB_configList2[xid] = NULL;
} // end if DRB_configList != NULL
if(DRB_Release_configList2 != NULL) {
for (int i = 0; i < DRB_Release_configList2->list.count; i++) {
if (DRB_Release_configList2->list.array[i]) {
drb_id_p = DRB_Release_configList2->list.array[i];
drb_id = *drb_id_p;
if (ue_context_pP->ue_context.DRB_active[drb_id] == 1) {
ue_context_pP->ue_context.DRB_active[drb_id] = 0;
}
}
}
free(DRB_Release_configList2);
ue_context_pP->ue_context.DRB_Release_configList2[xid] = NULL;
}
/* let's request NR capabilities if the UE supports NR
* maybe not the right place/time to request
*/
if (ue_context_pP->ue_context.does_nr &&
!ue_context_pP->ue_context.nr_capabilities_requested) {
ue_context_pP->ue_context.nr_capabilities_requested = 1;
rrc_eNB_generate_NR_UECapabilityEnquiry(ctxt_pP, ue_context_pP);
}
}
//-----------------------------------------------------------------------------
void
rrc_eNB_generate_RRCConnectionSetup(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP,
const int CC_id
)
//-----------------------------------------------------------------------------
{
boolean_t is_mtc = ctxt_pP->brOption;
LTE_LogicalChannelConfig_t *SRB1_logicalChannelConfig; //,*SRB2_logicalChannelConfig;
LTE_SRB_ToAddModList_t **SRB_configList;
LTE_SRB_ToAddMod_t *SRB1_config;
MessageDef *message_p;
T(T_ENB_RRC_CONNECTION_SETUP,
T_INT(ctxt_pP->module_id),
T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe),
T_INT(ctxt_pP->rnti));
eNB_RRC_UE_t *ue_p = &ue_context_pP->ue_context;
SRB_configList = &ue_p->SRB_configList;
if (is_mtc) {
ue_p->Srb0.Tx_buffer.payload_size =
do_RRCConnectionSetup_BR(ctxt_pP,
ue_context_pP,
CC_id,
(uint8_t *) ue_p->Srb0.Tx_buffer.Payload,
(const uint8_t) RC.rrc[ctxt_pP->module_id]->carrier[CC_id].p_eNB, //at this point we do not have the UE capability information, so it can only be TM1 or TM2
rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id),
SRB_configList,
&ue_context_pP->ue_context.physicalConfigDedicated);
} else {
ue_p->Srb0.Tx_buffer.payload_size =
do_RRCConnectionSetup(ctxt_pP,
ue_context_pP,
CC_id,
(uint8_t *) ue_p->Srb0.Tx_buffer.Payload,
(uint8_t) RC.rrc[ctxt_pP->module_id]->carrier[CC_id].p_eNB, //at this point we do not have the UE capability information, so it can only be TM1 or TM2
rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id),
SRB_configList,
&ue_context_pP->ue_context.physicalConfigDedicated);
}
LOG_DUMPMSG(RRC,DEBUG_RRC,
(char *)(ue_p->Srb0.Tx_buffer.Payload),
ue_p->Srb0.Tx_buffer.payload_size,
"[MSG] RRC Connection Setup\n");
// configure SRB1/SRB2, PhysicalConfigDedicated, MAC_MainConfig for UE
switch (RC.rrc[ctxt_pP->module_id]->node_type) {
case ngran_eNB_CU :
case ngran_ng_eNB_CU :
case ngran_gNB_CU :
// create an ITTI message
/* TODO: F1 IDs ar missing in RRC */
message_p = itti_alloc_new_message (TASK_RRC_ENB, 0, F1AP_DL_RRC_MESSAGE);
F1AP_DL_RRC_MESSAGE (message_p).rrc_container = (uint8_t *)ue_p->Srb0.Tx_buffer.Payload;
F1AP_DL_RRC_MESSAGE (message_p).rrc_container_length = ue_p->Srb0.Tx_buffer.payload_size;
F1AP_DL_RRC_MESSAGE (message_p).gNB_CU_ue_id = 0;
F1AP_DL_RRC_MESSAGE (message_p).gNB_DU_ue_id = 0;
F1AP_DL_RRC_MESSAGE (message_p).old_gNB_DU_ue_id = 0xFFFFFFFF; // unknown
F1AP_DL_RRC_MESSAGE (message_p).rnti = ue_p->rnti;
F1AP_DL_RRC_MESSAGE (message_p).srb_id = CCCH;
F1AP_DL_RRC_MESSAGE (message_p).execute_duplication = 1;
F1AP_DL_RRC_MESSAGE (message_p).RAT_frequency_priority_information.en_dc = 0;
itti_send_msg_to_task (TASK_CU_F1, ctxt_pP->module_id, message_p);
LOG_D(RRC, "Send F1AP_DL_RRC_MESSAGE with ITTI\n");
break;
case ngran_eNB_DU :
case ngran_gNB_DU :
// nothing to do for DU
AssertFatal(1==0,"nothing to do for DU\n");
break;
case ngran_eNB:
case ngran_ng_eNB :
case ngran_gNB :
if (*SRB_configList != NULL) {
for (int cnt = 0; cnt < (*SRB_configList)->list.count; cnt++) {
if ((*SRB_configList)->list.array[cnt]->srb_Identity == 1) {
SRB1_config = (*SRB_configList)->list.array[cnt];
if (SRB1_config->logicalChannelConfig) {
if (SRB1_config->logicalChannelConfig->present ==
LTE_SRB_ToAddMod__logicalChannelConfig_PR_explicitValue) {
SRB1_logicalChannelConfig = &SRB1_config->logicalChannelConfig->choice.explicitValue;
} else {
SRB1_logicalChannelConfig = &SRB1_logicalChannelConfig_defaultValue;
}
} else {
SRB1_logicalChannelConfig = &SRB1_logicalChannelConfig_defaultValue;
}
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RRC_eNB --- MAC_CONFIG_REQ (SRB1) ---> MAC_eNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
if (RC.rrc[ctxt_pP->module_id]->node_type == ngran_eNB) {
rrc_mac_config_req_eNB(ctxt_pP->module_id,
ue_context_pP->ue_context.primaryCC_id,
0,0,0,0,0, 0,
ue_context_pP->ue_context.rnti,
(LTE_BCCH_BCH_Message_t *) NULL,
(LTE_RadioResourceConfigCommonSIB_t *) NULL,
(LTE_RadioResourceConfigCommonSIB_t *) NULL,
ue_context_pP->ue_context.physicalConfigDedicated,
(LTE_SCellToAddMod_r10_t *)NULL,
(LTE_MeasObjectToAddMod_t **) NULL,
ue_context_pP->ue_context.mac_MainConfig,
1,
SRB1_logicalChannelConfig,
ue_context_pP->ue_context.measGapConfig,
(LTE_TDD_Config_t *) NULL,
NULL,
(LTE_SchedulingInfoList_t *) NULL,
0, NULL, NULL, (LTE_MBSFN_SubframeConfigList_t *) NULL,
0, (LTE_MBSFN_AreaInfoList_r9_t *) NULL, (LTE_PMCH_InfoList_r9_t *) NULL,
(LTE_SystemInformationBlockType1_v1310_IEs_t *)NULL,
0,
(LTE_BCCH_DL_SCH_Message_MBMS_t *) NULL,
(LTE_SchedulingInfo_MBMS_r14_t *) NULL,
(struct LTE_NonMBSFN_SubframeConfig_r14 *) NULL,
(LTE_SystemInformationBlockType1_MBMS_r14_t *) NULL,
(LTE_MBSFN_AreaInfoList_r9_t *) NULL,
(LTE_MBSFNAreaConfiguration_r9_t *) NULL
);
break;
}
}
}
break;
default :
LOG_W(RRC, "Unknown node type %d\n", RC.rrc[ctxt_pP->module_id]->node_type);
}
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
ue_p->Srb0.Tx_buffer.Header, // LG WARNING
ue_p->Srb0.Tx_buffer.payload_size,
MSC_AS_TIME_FMT" RRCConnectionSetup UE %x size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
ue_p->Srb0.Tx_buffer.payload_size);
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" [RAPROC] Logical Channel DL-CCCH, Generating RRCConnectionSetup (bytes %d)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
ue_p->Srb0.Tx_buffer.payload_size);
// activate release timer, if RRCSetupComplete not received after 100 frames, remove UE
ue_context_pP->ue_context.ue_release_timer = 1;
// remove UE after 10 frames after RRCConnectionRelease is triggered
ue_context_pP->ue_context.ue_release_timer_thres = 1000;
/* init timers */
ue_context_pP->ue_context.ue_rrc_inactivity_timer = 0;
}
}
//-----------------------------------------------------------------------------
void rrc_eNB_process_reconfiguration_complete_endc(const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_p)
//-----------------------------------------------------------------------------
{
MessageDef *msg_p;
msg_p = itti_alloc_new_message (TASK_RRC_ENB, 0, X2AP_ENDC_SGNB_RECONF_COMPLETE);
/* MeNB_ue_x2_id is unknown, set to 0.
* This is not correct but X2 id in the eNB is only 12 bits,
* so unfortunately we can't use rnti.
* To be corrected if needed.
* As of today, when stopping t_dc_prep we remove the UE
* from X2. To keep the id until the 'reconfiguration complete' message is received
* needs a rethink/rewrite of this logic. For simplicity, let's
* keep it as is. The only problem we can get is if/when we
* interoperate with a non-OAI gNB. The OAI gNB does not
* care about MeNB_ue_x2_id.
*/
X2AP_ENDC_SGNB_RECONF_COMPLETE(msg_p).MeNB_ue_x2_id = 0;
X2AP_ENDC_SGNB_RECONF_COMPLETE(msg_p).SgNB_ue_x2_id = ue_context_p->ue_context.gnb_rnti;
X2AP_ENDC_SGNB_RECONF_COMPLETE(msg_p).gnb_x2_assoc_id = ue_context_p->ue_context.gnb_x2_assoc_id;
itti_send_msg_to_task (TASK_X2AP, ctxt_pP->instance, msg_p);
}
void setup_ngran_CU(eNB_RRC_INST *rrc) {
}
//-----------------------------------------------------------------------------
char openair_rrc_eNB_configuration(
const module_id_t enb_mod_idP,
RrcConfigurationReq *configuration
)
//-----------------------------------------------------------------------------
{
protocol_ctxt_t ctxt;
int CC_id;
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, enb_mod_idP, ENB_FLAG_YES, NOT_A_RNTI, 0, 0,enb_mod_idP);
LOG_I(RRC,
PROTOCOL_RRC_CTXT_FMT" Init...\n",
PROTOCOL_RRC_CTXT_ARGS(&ctxt));
AssertFatal(RC.rrc[enb_mod_idP] != NULL, "RC.rrc not initialized!");
AssertFatal(MAX_MOBILES_PER_ENB < (module_id_t)0xFFFFFFFFFFFFFFFF, " variable overflow");
AssertFatal(configuration!=NULL,"configuration input is null\n");
RC.rrc[ctxt.module_id]->Nb_ue = 0;
pthread_mutex_init(&RC.rrc[ctxt.module_id]->cell_info_mutex,NULL);
RC.rrc[ctxt.module_id]->cell_info_configured = 0;
uid_linear_allocator_init(&RC.rrc[ctxt.module_id]->uid_allocator);
RB_INIT(&RC.rrc[ctxt.module_id]->rrc_ue_head);
// for (j = 0; j < (MAX_MOBILES_PER_ENB + 1); j++) {
// RC.rrc[enb_mod_idP]->Srb2[j].Active = 0;
// }
RC.rrc[ctxt.module_id]->initial_id2_s1ap_ids = hashtable_create (MAX_MOBILES_PER_ENB * 2, NULL, NULL);
RC.rrc[ctxt.module_id]->s1ap_id2_s1ap_ids = hashtable_create (MAX_MOBILES_PER_ENB * 2, NULL, NULL);
/// System Information INIT
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" Checking release \n",
PROTOCOL_RRC_CTXT_ARGS(&ctxt));
// can clear it at runtime
RC.rrc[ctxt.module_id]->carrier[0].MBMS_flag = 0;
// This has to come from some top-level configuration
// only CC_id 0 is logged
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" Rel14 RRC detected, MBMS flag %d\n",
PROTOCOL_RRC_CTXT_ARGS(&ctxt),
RC.rrc[ctxt.module_id]->carrier[0].MBMS_flag);
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
init_SI(&ctxt, CC_id, configuration);
for (int ue_id = 0; ue_id < MAX_MOBILES_PER_ENB; ue_id++) {
RC.rrc[ctxt.module_id]->carrier[CC_id].sizeof_paging[ue_id] = 0;
RC.rrc[ctxt.module_id]->carrier[CC_id].paging[ue_id] = (uint8_t *) malloc16(256);
}
}
rrc_init_global_param();
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
switch (RC.rrc[ctxt.module_id]->carrier[CC_id].MBMS_flag) {
case 1:
case 2:
case 3:
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" Configuring 1 MBSFN sync area\n", PROTOCOL_RRC_CTXT_ARGS(&ctxt));
RC.rrc[ctxt.module_id]->carrier[CC_id].num_mbsfn_sync_area = 1;
break;
case 4:
LOG_I(RRC, PROTOCOL_RRC_CTXT_FMT" Configuring 2 MBSFN sync area\n", PROTOCOL_RRC_CTXT_ARGS(&ctxt));
RC.rrc[ctxt.module_id]->carrier[CC_id].num_mbsfn_sync_area = 2;
break;
default:
RC.rrc[ctxt.module_id]->carrier[CC_id].num_mbsfn_sync_area = 0;
break;
}
// if we are here the RC.rrc[enb_mod_idP]->MBMS_flag > 0,
/// MCCH INIT
if (RC.rrc[ctxt.module_id]->carrier[CC_id].MBMS_flag > 0) {
init_MCCH(ctxt.module_id, CC_id);
/// MTCH data bearer init
init_MBMS(ctxt.module_id, CC_id, 0);
}
openair_rrc_top_init_eNB(RC.rrc[ctxt.module_id]->carrier[CC_id].MBMS_flag,0);
}
RC.rrc[ctxt.module_id]->nr_scg_ssb_freq = configuration->nr_scg_ssb_freq;
openair_rrc_on(&ctxt);
/*
RC.rrc[ctxt.module_id]->mcc= rrc_configuration_req->mcc;
RC.rrc[ctxt.module_id]->mnc= rrc_configuration_req->mnc;
RC.rrc[ctxt.module_id]->mnc_digit_length= rrc_configuration_req->mnc_digit_length;
RC.rrc[ctxt.module_id]->tac= rrc_configuration_req->tac;
LOG_W(RRC, "[inst %d] RRC->MCC/MSG->MCC %d/%d \n", ctxt.module_id, RC.rrc[ctxt.module_id]->mcc, rrc_configuration_req->mcc);
*/
if (NODE_IS_CU(RC.rrc[ctxt.module_id]->node_type))
// msg_p = itti_alloc_new_message (TASK_ENB_APP, 0, F1AP_SCTP_REQ);
// RCconfig_CU_F1(msg_p, enb_id);
setup_ngran_CU(RC.rrc[ctxt.module_id]);
return 0;
}
static
void rrc_eNB_generate_RRCConnectionReestablishmentReject_unknown_UE(protocol_ctxt_t *const ctxt_pP,
const int CC_id) {
struct rrc_eNB_ue_context_s *ue_context_p = rrc_eNB_get_next_free_ue_context(ctxt_pP, ctxt_pP->rnti);
rrc_eNB_generate_RRCConnectionReestablishmentReject(ctxt_pP,
ue_context_p,
CC_id);
ue_context_p->ue_context.ul_failure_timer = 500; // 500 milliseconds to send the message and remove temporary entry
}
/*------------------------------------------------------------------------------*/
int
rrc_eNB_decode_ccch(
protocol_ctxt_t *const ctxt_pP,
const uint8_t *buffer,
int buffer_length,
const int CC_id
)
//-----------------------------------------------------------------------------
{
module_id_t Idx;
asn_dec_rval_t dec_rval;
LTE_UL_CCCH_Message_t *ul_ccch_msg = NULL;
LTE_RRCConnectionRequest_r8_IEs_t *rrcConnectionRequest = NULL;
LTE_RRCConnectionReestablishmentRequest_r8_IEs_t *rrcConnectionReestablishmentRequest = NULL;
int i, rval;
struct rrc_eNB_ue_context_s *ue_context_p = NULL;
uint64_t random_value = 0;
int stmsi_received = 0;
T(T_ENB_RRC_UL_CCCH_DATA_IN, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
//memset(ul_ccch_msg,0,sizeof(UL_CCCH_Message_t));
LOG_I(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Decoding UL CCCH %x.%x.%x.%x.%x.%x (%p)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
((uint8_t *) buffer)[0],
((uint8_t *) buffer)[1],
((uint8_t *) buffer)[2],
((uint8_t *) buffer)[3],
((uint8_t *) buffer)[4],
((uint8_t *) buffer)[5], (uint8_t *) buffer);
dec_rval = uper_decode(
NULL,
&asn_DEF_LTE_UL_CCCH_Message,
(void **)&ul_ccch_msg,
(uint8_t *) buffer,
100,
0,
0);
for (i = 0; i < 8; i++) {
LOG_T(RRC, "%x.", ((uint8_t *) & ul_ccch_msg)[i]);
}
if (dec_rval.consumed == 0) {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" FATAL Error in receiving CCCH\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
return -1;
}
if (ul_ccch_msg->message.present == LTE_UL_CCCH_MessageType_PR_c1) {
switch (ul_ccch_msg->message.choice.c1.present) {
case LTE_UL_CCCH_MessageType__c1_PR_NOTHING:
LOG_I(RRC,
PROTOCOL_RRC_CTXT_FMT" Received PR_NOTHING on UL-CCCH-Message\n",
PROTOCOL_RRC_CTXT_ARGS(ctxt_pP));
break;
case LTE_UL_CCCH_MessageType__c1_PR_rrcConnectionReestablishmentRequest:
T(T_ENB_RRC_CONNECTION_REESTABLISHMENT_REQUEST, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)(buffer), buffer_length,
"[MSG] RRC Connection Reestablishment Request\n");
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT"MAC_eNB--- MAC_DATA_IND (rrcConnectionReestablishmentRequest on SRB0) --> RRC_eNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
rrcConnectionReestablishmentRequest =
&ul_ccch_msg->message.choice.c1.choice.rrcConnectionReestablishmentRequest.criticalExtensions.choice.rrcConnectionReestablishmentRequest_r8;
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" LTE_RRCConnectionReestablishmentRequest cause %s\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
((rrcConnectionReestablishmentRequest->reestablishmentCause == LTE_ReestablishmentCause_otherFailure) ? "Other Failure" :
(rrcConnectionReestablishmentRequest->reestablishmentCause == LTE_ReestablishmentCause_handoverFailure) ? "Handover Failure" :
"reconfigurationFailure"));
{
uint16_t c_rnti = 0;
if (rrcConnectionReestablishmentRequest->ue_Identity.physCellId != RC.rrc[ctxt_pP->module_id]->carrier[CC_id].physCellId) {
/* UE was moving from previous cell so quickly that RRCConnectionReestablishment for previous cell was recieved in this cell */
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" LTE_RRCConnectionReestablishmentRequest ue_Identity.physCellId(%ld) is not equal to current physCellId(%d), let's reject the UE\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
rrcConnectionReestablishmentRequest->ue_Identity.physCellId,
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].physCellId);
rrc_eNB_generate_RRCConnectionReestablishmentReject_unknown_UE(ctxt_pP,
CC_id);
break;
}
LOG_D(RRC, "physCellId is %ld\n", rrcConnectionReestablishmentRequest->ue_Identity.physCellId);
for (i = 0; i < rrcConnectionReestablishmentRequest->ue_Identity.shortMAC_I.size; i++) {
LOG_D(RRC, "rrcConnectionReestablishmentRequest->ue_Identity.shortMAC_I.buf[%d] = %x\n",
i, rrcConnectionReestablishmentRequest->ue_Identity.shortMAC_I.buf[i]);
}
if (rrcConnectionReestablishmentRequest->ue_Identity.c_RNTI.size == 0 ||
rrcConnectionReestablishmentRequest->ue_Identity.c_RNTI.size > 2) {
/* c_RNTI range error should not happen */
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" LTE_RRCConnectionReestablishmentRequest c_RNTI range error, let's reject the UE\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
rrc_eNB_generate_RRCConnectionReestablishmentReject_unknown_UE(ctxt_pP,
CC_id);
break;
}
c_rnti = BIT_STRING_to_uint16(&rrcConnectionReestablishmentRequest->ue_Identity.c_RNTI);
LOG_D(RRC, "c_rnti is %x\n", c_rnti);
ue_context_p = rrc_eNB_get_ue_context(RC.rrc[ctxt_pP->module_id], c_rnti);
if (ue_context_p == NULL) {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" LTE_RRCConnectionReestablishmentRequest without UE context, let's reject the UE\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
rrc_eNB_generate_RRCConnectionReestablishmentReject_unknown_UE(ctxt_pP,
CC_id);
break;
}
int UE_id = find_UE_id(ctxt_pP->module_id, c_rnti);
if(UE_id == -1) {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" LTE_RRCConnectionReestablishmentRequest without UE_id(MAC) rnti %x, let's reject the UE\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),c_rnti);
rrc_eNB_generate_RRCConnectionReestablishmentReject(ctxt_pP, ue_context_p, CC_id);
break;
}
if((RC.mac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer > 0) &&
(RC.mac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer_thres > 20)) {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RCConnectionReestablishmentComplete(Previous) don't receive, delete the c-rnti UE\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
RC.mac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 1000;
rrc_eNB_previous_SRB2(ue_context_p);
ue_context_p->ue_context.ue_reestablishment_timer = 0;
}
//previous rnti
rnti_t previous_rnti = 0;
for (i = 0; i < MAX_MOBILES_PER_ENB; i++) {
if (reestablish_rnti_map[i][1] == c_rnti) {
previous_rnti = reestablish_rnti_map[i][0];
break;
}
}
if(previous_rnti != 0) {
UE_id = find_UE_id(ctxt_pP->module_id, previous_rnti);
if(UE_id == -1) {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RRCConnectionReestablishmentRequest without UE_id(MAC) previous rnti %x, let's reject the UE\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),previous_rnti);
rrc_eNB_generate_RRCConnectionReestablishmentReject(ctxt_pP, ue_context_p, CC_id);
break;
}
if((RC.mac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer > 0) &&
(RC.mac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer_thres > 20)) {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RCConnectionReestablishmentComplete(Previous) don't receive, delete the Previous UE\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
RC.mac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 1000;
rrc_eNB_previous_SRB2(ue_context_p);
ue_context_p->ue_context.ue_reestablishment_timer = 0;
}
}
//c-plane not end
if((ue_context_p->ue_context.Status != RRC_RECONFIGURED) && (ue_context_p->ue_context.reestablishment_cause == LTE_ReestablishmentCause_spare1)) {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" LTE_RRCConnectionReestablishmentRequest (UE %x c-plane is not end), let's reject the UE\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),c_rnti);
rrc_eNB_generate_RRCConnectionReestablishmentReject(ctxt_pP, ue_context_p, CC_id);
break;
}
if(ue_context_p->ue_context.ue_reestablishment_timer > 0) {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RRRCConnectionReconfigurationComplete(Previous) don't receive, delete the Previous UE,\nprevious Status %d, new Status RRC_RECONFIGURED\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
ue_context_p->ue_context.Status
);
ue_context_p->ue_context.Status = RRC_RECONFIGURED;
protocol_ctxt_t ctxt_old_p;
PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt_old_p,
ctxt_pP->instance,
ENB_FLAG_YES,
c_rnti,
ctxt_pP->frame,
ctxt_pP->subframe);
rrc_eNB_process_RRCConnectionReconfigurationComplete(&ctxt_old_p,
ue_context_p,
ue_context_p->ue_context.reestablishment_xid);
for (uint8_t e_rab = 0; e_rab < ue_context_p->ue_context.nb_of_e_rabs; e_rab++) {
if (ue_context_p->ue_context.e_rab[e_rab].status == E_RAB_STATUS_DONE) {
ue_context_p->ue_context.e_rab[e_rab].status = E_RAB_STATUS_ESTABLISHED;
} else {
ue_context_p->ue_context.e_rab[e_rab].status = E_RAB_STATUS_FAILED;
}
}
}
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" UE context: %p\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
ue_context_p);
/* reset timers */
ue_context_p->ue_context.ul_failure_timer = 0;
ue_context_p->ue_context.ue_release_timer = 0;
ue_context_p->ue_context.ue_reestablishment_timer = 0;
ue_context_p->ue_context.ue_release_timer_s1 = 0;
ue_context_p->ue_context.ue_release_timer_rrc = 0;
ue_context_p->ue_context.reestablishment_xid = -1;
// insert C-RNTI to map
for (i = 0; i < MAX_MOBILES_PER_ENB; i++) {
if (reestablish_rnti_map[i][0] == 0) {
reestablish_rnti_map[i][0] = ctxt_pP->rnti;
reestablish_rnti_map[i][1] = c_rnti;
LOG_D(RRC, "reestablish_rnti_map[%d] [0] %x, [1] %x\n",
i, reestablish_rnti_map[i][0], reestablish_rnti_map[i][1]);
break;
}
}
ue_context_p->ue_context.reestablishment_cause = rrcConnectionReestablishmentRequest->reestablishmentCause;
LOG_D(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Accept connection reestablishment request from UE physCellId %ld cause %ld\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
rrcConnectionReestablishmentRequest->ue_Identity.physCellId,
ue_context_p->ue_context.reestablishment_cause);
#ifndef NO_RRM
send_msg(&S_rrc, msg_rrc_MR_attach_ind(ctxt_pP->module_id, Mac_id));
#else
ue_context_p->ue_context.primaryCC_id = CC_id;
//LG COMMENT Idx = (ue_mod_idP * NB_RB_MAX) + DCCH;
Idx = DCCH;
// SRB1
ue_context_p->ue_context.Srb1.Active = 1;
ue_context_p->ue_context.Srb1.Srb_info.Srb_id = Idx;
memcpy(&ue_context_p->ue_context.Srb1.Srb_info.Lchan_desc[0],
&DCCH_LCHAN_DESC,
LCHAN_DESC_SIZE);
memcpy(&ue_context_p->ue_context.Srb1.Srb_info.Lchan_desc[1],
&DCCH_LCHAN_DESC,
LCHAN_DESC_SIZE);
// SRB2: set it to go through SRB1 with id 1 (DCCH)
ue_context_p->ue_context.Srb2.Active = 1;
ue_context_p->ue_context.Srb2.Srb_info.Srb_id = Idx;
memcpy(&ue_context_p->ue_context.Srb2.Srb_info.Lchan_desc[0],
&DCCH_LCHAN_DESC,
LCHAN_DESC_SIZE);
memcpy(&ue_context_p->ue_context.Srb2.Srb_info.Lchan_desc[1],
&DCCH_LCHAN_DESC,
LCHAN_DESC_SIZE);
rrc_eNB_generate_RRCConnectionReestablishment(ctxt_pP, ue_context_p, CC_id);
LOG_I(RRC, PROTOCOL_RRC_CTXT_UE_FMT"CALLING RLC CONFIG SRB1 (rbid %d)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
Idx);
MSC_LOG_TX_MESSAGE(MSC_RRC_ENB,
MSC_PDCP_ENB,
NULL,
0,
MSC_AS_TIME_FMT" CONFIG_REQ UE %x SRB",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_p->ue_context.rnti);
rrc_pdcp_config_asn1_req(ctxt_pP,
ue_context_p->ue_context.SRB_configList,
(LTE_DRB_ToAddModList_t *) NULL,
(LTE_DRB_ToReleaseList_t *) NULL,
0xff,
NULL,
NULL,
NULL
, (LTE_PMCH_InfoList_r9_t *) NULL
,NULL);
if (!NODE_IS_CU(RC.rrc[ctxt_pP->module_id]->node_type)) {
rrc_rlc_config_asn1_req(ctxt_pP,
ue_context_p->ue_context.SRB_configList,
(LTE_DRB_ToAddModList_t *) NULL,
(LTE_DRB_ToReleaseList_t *) NULL
, (LTE_PMCH_InfoList_r9_t *) NULL,
0,0
);
}
#endif //NO_RRM
}
break;
case LTE_UL_CCCH_MessageType__c1_PR_rrcConnectionRequest:
T(T_ENB_RRC_CONNECTION_REQUEST, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)buffer,
buffer_length,
"[MSG] RRC Connection Request\n");
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT"MAC_eNB --- MAC_DATA_IND (rrcConnectionRequest on SRB0) --> RRC_eNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
ue_context_p = rrc_eNB_get_ue_context(
RC.rrc[ctxt_pP->module_id],
ctxt_pP->rnti);
if (ue_context_p != NULL) {
// erase content
rrc_eNB_free_mem_UE_context(ctxt_pP, ue_context_p);
MSC_LOG_RX_DISCARDED_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
buffer,
dec_rval.consumed,
MSC_AS_TIME_FMT" LTE_RRCConnectionRequest UE %x size %u (UE already in context)",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_p->ue_context.rnti,
dec_rval.consumed);
} else {
rrcConnectionRequest = &ul_ccch_msg->message.choice.c1.choice.rrcConnectionRequest.criticalExtensions.choice.rrcConnectionRequest_r8;
{
if (LTE_InitialUE_Identity_PR_randomValue == rrcConnectionRequest->ue_Identity.present) {
if(rrcConnectionRequest->ue_Identity.choice.randomValue.size != 5) {
LOG_I(RRC, "wrong InitialUE-Identity randomValue size, expected 5, provided %lu",
(long unsigned int)rrcConnectionRequest->ue_Identity.choice.randomValue.size);
return -1;
}
memcpy(((uint8_t *) & random_value) + 3,
rrcConnectionRequest->ue_Identity.choice.randomValue.buf,
rrcConnectionRequest->ue_Identity.choice.randomValue.size);
/* if there is already a registered UE (with another RNTI) with this random_value,
* the current one must be removed from MAC/PHY (zombie UE)
*/
if ((ue_context_p = rrc_eNB_ue_context_random_exist(ctxt_pP, random_value))) {
LOG_W(RRC, "new UE rnti %x (coming with random value) is already there as UE %x, removing %x from MAC/PHY\n",
ctxt_pP->rnti, ue_context_p->ue_context.rnti, ue_context_p->ue_context.rnti);
ue_context_p->ue_context.ul_failure_timer = 20000;
}
ue_context_p = rrc_eNB_get_next_free_ue_context(ctxt_pP, random_value);
ue_context_p->ue_context.Srb0.Srb_id = 0;
ue_context_p->ue_context.Srb0.Active = 1;
memcpy(ue_context_p->ue_context.Srb0.Rx_buffer.Payload,
buffer,
buffer_length);
ue_context_p->ue_context.Srb0.Rx_buffer.payload_size = buffer_length;
} else if (LTE_InitialUE_Identity_PR_s_TMSI == rrcConnectionRequest->ue_Identity.present) {
/* Save s-TMSI */
LTE_S_TMSI_t s_TMSI = rrcConnectionRequest->ue_Identity.choice.s_TMSI;
mme_code_t mme_code = BIT_STRING_to_uint8(&s_TMSI.mmec);
m_tmsi_t m_tmsi = BIT_STRING_to_uint32(&s_TMSI.m_TMSI);
random_value = (((uint64_t)mme_code) << 32) | m_tmsi;
if ((ue_context_p = rrc_eNB_ue_context_stmsi_exist(ctxt_pP, mme_code, m_tmsi))) {
LOG_I(RRC," S-TMSI exists, ue_context_p %p, old rnti %x => %x\n",ue_context_p,ue_context_p->ue_context.rnti,ctxt_pP->rnti);
if (!NODE_IS_CU(RC.rrc[ctxt_pP->module_id]->node_type)) {
rrc_mac_remove_ue(ctxt_pP->module_id, ue_context_p->ue_context.rnti);
} else {
MessageDef *m = itti_alloc_new_message(TASK_RRC_ENB, 0, F1AP_UE_CONTEXT_RELEASE_CMD);
F1AP_UE_CONTEXT_RELEASE_CMD(m).rnti = ctxt_pP->rnti;
F1AP_UE_CONTEXT_RELEASE_CMD(m).cause = F1AP_CAUSE_RADIO_NETWORK;
F1AP_UE_CONTEXT_RELEASE_CMD(m).cause_value = 10; // 10 = F1AP_CauseRadioNetwork_normal_release
F1AP_UE_CONTEXT_RELEASE_CMD(m).rrc_container = NULL;
F1AP_UE_CONTEXT_RELEASE_CMD(m).rrc_container_length = 0;
itti_send_msg_to_task(TASK_CU_F1, ctxt_pP->module_id, m);
}
stmsi_received=1;
/* replace rnti in the context */
/* for that, remove the context from the RB tree */
RB_REMOVE(rrc_ue_tree_s, &RC.rrc[ctxt_pP->module_id]->rrc_ue_head, ue_context_p);
/* and insert again, after changing rnti everywhere it has to be changed */
ue_context_p->ue_id_rnti = ctxt_pP->rnti;
ue_context_p->ue_context.rnti = ctxt_pP->rnti;
RB_INSERT(rrc_ue_tree_s, &RC.rrc[ctxt_pP->module_id]->rrc_ue_head, ue_context_p);
/* reset timers */
ue_context_p->ue_context.ul_failure_timer = 0;
ue_context_p->ue_context.ue_release_timer = 0;
ue_context_p->ue_context.ue_reestablishment_timer = 0;
ue_context_p->ue_context.ue_release_timer_s1 = 0;
ue_context_p->ue_context.ue_release_timer_rrc = 0;
ue_context_p->ue_context.reestablishment_xid = -1;
} else {
LOG_I(RRC," S-TMSI doesn't exist, setting Initialue_identity_s_TMSI.m_tmsi to %p => %x\n",ue_context_p,m_tmsi);
// ue_context_p = rrc_eNB_get_next_free_ue_context(ctxt_pP, NOT_A_RANDOM_UE_IDENTITY);
ue_context_p = rrc_eNB_get_next_free_ue_context(ctxt_pP,random_value);
if (ue_context_p == NULL)
LOG_E(RRC, "%s:%d:%s: rrc_eNB_get_next_free_ue_context returned NULL\n", __FILE__, __LINE__, __FUNCTION__);
if (ue_context_p != NULL) {
ue_context_p->ue_context.Initialue_identity_s_TMSI.presence = TRUE;
ue_context_p->ue_context.Initialue_identity_s_TMSI.mme_code = mme_code;
ue_context_p->ue_context.Initialue_identity_s_TMSI.m_tmsi = m_tmsi;
} else {
/* TODO: do we have to break here? */
//break;
}
}
MSC_LOG_RX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
buffer,
dec_rval.consumed,
MSC_AS_TIME_FMT" RRCConnectionRequest UE %x size %u (s-TMSI mmec %u m_TMSI %u random UE id (0x%" PRIx64 ")",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_p->ue_context.rnti,
dec_rval.consumed,
ue_context_p->ue_context.Initialue_identity_s_TMSI.mme_code,
ue_context_p->ue_context.Initialue_identity_s_TMSI.m_tmsi,
ue_context_p->ue_context.random_ue_identity);
} else {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RRCConnectionRequest without random UE identity or S-TMSI not supported, let's reject the UE\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
rrc_eNB_generate_RRCConnectionReject(ctxt_pP,
rrc_eNB_get_ue_context(RC.rrc[ctxt_pP->module_id], ctxt_pP->rnti),
CC_id);
break;
}
}
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" UE context: %p\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
ue_context_p);
if (ue_context_p != NULL) {
ue_context_p->ue_context.establishment_cause = rrcConnectionRequest->establishmentCause;
ue_context_p->ue_context.reestablishment_cause = LTE_ReestablishmentCause_spare1;
if (stmsi_received==0)
LOG_I(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Accept new connection from UE random UE identity (0x%" PRIx64 ") MME code %u TMSI %u cause %ld\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
ue_context_p->ue_context.random_ue_identity,
ue_context_p->ue_context.Initialue_identity_s_TMSI.mme_code,
ue_context_p->ue_context.Initialue_identity_s_TMSI.m_tmsi,
ue_context_p->ue_context.establishment_cause);
else
LOG_I(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Accept new connection from UE MME code %u TMSI %u cause %ld\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
ue_context_p->ue_context.Initialue_identity_s_TMSI.mme_code,
ue_context_p->ue_context.Initialue_identity_s_TMSI.m_tmsi,
ue_context_p->ue_context.establishment_cause);
if (stmsi_received == 0)
RC.rrc[ctxt_pP->module_id]->Nb_ue++;
} else {
// no context available
if (flexran_agent_get_rrc_xface(ctxt_pP->module_id)) {
flexran_agent_get_rrc_xface(ctxt_pP->module_id)->flexran_agent_notify_ue_state_change(ctxt_pP->module_id,
ctxt_pP->rnti,
PROTOCOL__FLEX_UE_STATE_CHANGE_TYPE__FLUESC_DEACTIVATED);
}
LOG_I(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Can't create new context for UE random UE identity (0x%" PRIx64 ")\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
random_value);
if (NODE_IS_MONOLITHIC(RC.rrc[ctxt_pP->module_id]->node_type))
rrc_mac_remove_ue(ctxt_pP->module_id,ctxt_pP->rnti);
else if (NODE_IS_CU(RC.rrc[ctxt_pP->module_id]->node_type)) {
MessageDef *m = itti_alloc_new_message(TASK_RRC_ENB, 0, F1AP_UE_CONTEXT_RELEASE_CMD);
F1AP_UE_CONTEXT_RELEASE_CMD(m).rnti = ctxt_pP->rnti;
F1AP_UE_CONTEXT_RELEASE_CMD(m).cause = F1AP_CAUSE_RADIO_NETWORK;
F1AP_UE_CONTEXT_RELEASE_CMD(m).cause_value = 10; // 10 = F1AP_CauseRadioNetwork_normal_release
F1AP_UE_CONTEXT_RELEASE_CMD(m).rrc_container = NULL;
F1AP_UE_CONTEXT_RELEASE_CMD(m).rrc_container_length = 0;
itti_send_msg_to_task(TASK_CU_F1, ctxt_pP->module_id, m);
}
return -1;
}
}
#ifndef NO_RRM
send_msg(&S_rrc, msg_rrc_MR_attach_ind(ctxt_pP->module_id, Mac_id));
#else
ue_context_p->ue_context.primaryCC_id = CC_id;
//LG COMMENT Idx = (ue_mod_idP * NB_RB_MAX) + DCCH;
Idx = DCCH;
// SRB1
ue_context_p->ue_context.Srb1.Active = 1;
ue_context_p->ue_context.Srb1.Srb_info.Srb_id = Idx;
memcpy(&ue_context_p->ue_context.Srb1.Srb_info.Lchan_desc[0],
&DCCH_LCHAN_DESC,
LCHAN_DESC_SIZE);
memcpy(&ue_context_p->ue_context.Srb1.Srb_info.Lchan_desc[1],
&DCCH_LCHAN_DESC,
LCHAN_DESC_SIZE);
// SRB2: set it to go through SRB1 with id 1 (DCCH)
ue_context_p->ue_context.Srb2.Active = 1;
ue_context_p->ue_context.Srb2.Srb_info.Srb_id = Idx;
memcpy(&ue_context_p->ue_context.Srb2.Srb_info.Lchan_desc[0],
&DCCH_LCHAN_DESC,
LCHAN_DESC_SIZE);
memcpy(&ue_context_p->ue_context.Srb2.Srb_info.Lchan_desc[1],
&DCCH_LCHAN_DESC,
LCHAN_DESC_SIZE);
rrc_eNB_generate_RRCConnectionSetup(ctxt_pP, ue_context_p, CC_id);
LOG_I(RRC, PROTOCOL_RRC_CTXT_UE_FMT"CALLING RLC CONFIG SRB1 (rbid %d)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
Idx);
MSC_LOG_TX_MESSAGE(
MSC_RRC_ENB,
MSC_PDCP_ENB,
NULL,
0,
MSC_AS_TIME_FMT" CONFIG_REQ UE %x SRB",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_p->ue_context.rnti);
rrc_pdcp_config_asn1_req(ctxt_pP,
ue_context_p->ue_context.SRB_configList,
(LTE_DRB_ToAddModList_t *) NULL,
(LTE_DRB_ToReleaseList_t *) NULL,
0xff,
NULL,
NULL,
NULL,
(LTE_PMCH_InfoList_r9_t *) NULL,NULL);
if (!NODE_IS_CU(RC.rrc[ctxt_pP->module_id]->node_type)) {
rrc_rlc_config_asn1_req(ctxt_pP,
ue_context_p->ue_context.SRB_configList,
(LTE_DRB_ToAddModList_t *) NULL,
(LTE_DRB_ToReleaseList_t *) NULL,
(LTE_PMCH_InfoList_r9_t *) NULL, 0, 0
);
}
#endif //NO_RRM
break;
default:
LOG_E(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Unknown message\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
rval = -1;
break;
}
rval = 0;
} else {
LOG_E(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Unknown error \n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
rval = -1;
}
return rval;
}
//-----------------------------------------------------------------------------
static int
is_en_dc_supported(
LTE_UE_EUTRA_Capability_t *c
)
//-----------------------------------------------------------------------------
{
/* to be refined - check that the eNB is connected to a gNB, check that
* the bands supported by the UE include the band of the gNB
*/
#define NCE nonCriticalExtension
return c != NULL
&& c->NCE != NULL
&& c->NCE->NCE != NULL
&& c->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->irat_ParametersNR_r15 != NULL
&& c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->irat_ParametersNR_r15->en_DC_r15 != NULL
&& *c->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->NCE->irat_ParametersNR_r15->en_DC_r15 ==
LTE_IRAT_ParametersNR_r15__en_DC_r15_supported;
#undef NCE
}
//-----------------------------------------------------------------------------
int
rrc_eNB_decode_dcch(
const protocol_ctxt_t *const ctxt_pP,
const rb_id_t Srb_id,
const uint8_t *const Rx_sdu,
const sdu_size_t sdu_sizeP
)
//-----------------------------------------------------------------------------
{
asn_dec_rval_t dec_rval;
//UL_DCCH_Message_t uldcchmsg;
LTE_UL_DCCH_Message_t *ul_dcch_msg = NULL; //&uldcchmsg;
int i;
struct rrc_eNB_ue_context_s *ue_context_p = NULL;
MessageDef *msg_delete_tunnels_p = NULL;
uint8_t xid;
int dedicated_DRB=0;
T(T_ENB_RRC_UL_DCCH_DATA_IN, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
if ((Srb_id != 1) && (Srb_id != 2)) {
LOG_E(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Received message on SRB%ld, should not have ...\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
Srb_id);
} else {
LOG_D(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Received message on SRB%ld\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
Srb_id);
}
//memset(ul_dcch_msg,0,sizeof(UL_DCCH_Message_t));
LOG_D(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Decoding UL-DCCH Message\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
dec_rval = uper_decode(
NULL,
&asn_DEF_LTE_UL_DCCH_Message,
(void **)&ul_dcch_msg,
Rx_sdu,
sdu_sizeP,
0,
0);
{
for (i = 0; i < sdu_sizeP; i++) {
LOG_T(RRC, "%x.", Rx_sdu[i]);
}
LOG_T(RRC, "\n");
}
if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) {
LOG_E(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Failed to decode UL-DCCH (%zu bytes)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
dec_rval.consumed);
return -1;
}
ue_context_p = rrc_eNB_get_ue_context(
RC.rrc[ctxt_pP->module_id],
ctxt_pP->rnti);
if (ul_dcch_msg->message.present == LTE_UL_DCCH_MessageType_PR_c1) {
switch (ul_dcch_msg->message.choice.c1.present) {
case LTE_UL_DCCH_MessageType__c1_PR_NOTHING: /* No components present */
break;
case LTE_UL_DCCH_MessageType__c1_PR_csfbParametersRequestCDMA2000:
break;
case LTE_UL_DCCH_MessageType__c1_PR_measurementReport:
// to avoid segmentation fault
if(!ue_context_p) {
LOG_I(RRC, "Processing measurementReport UE %x, ue_context_p is NULL\n", ctxt_pP->rnti);
break;
}
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RLC RB %02d --- RLC_DATA_IND "
"%d bytes (measurementReport) ---> RRC_eNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
DCCH,
sdu_sizeP);
rrc_eNB_process_MeasurementReport(
ctxt_pP,
ue_context_p,
&ul_dcch_msg->message.choice.c1.choice.measurementReport.
criticalExtensions.choice.c1.choice.measurementReport_r8.measResults);
break;
case LTE_UL_DCCH_MessageType__c1_PR_rrcConnectionReconfigurationComplete:
// to avoid segmentation fault
if(!ue_context_p) {
LOG_I(RRC, "Processing LTE_RRCConnectionReconfigurationComplete UE %x, ue_context_p is NULL\n", ctxt_pP->rnti);
break;
}
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)(Rx_sdu),sdu_sizeP,
"[MSG] RRC Connection Reconfiguration Complete\n");
MSC_LOG_RX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
Rx_sdu,
sdu_sizeP,
MSC_AS_TIME_FMT" LTE_RRCConnectionReconfigurationComplete UE %x size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_p->ue_context.rnti,
sdu_sizeP);
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RLC RB %02d --- RLC_DATA_IND %d bytes "
"(RRCConnectionReconfigurationComplete) ---> RRC_eNB]\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
DCCH,
sdu_sizeP);
if (ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.criticalExtensions.
present ==
LTE_RRCConnectionReconfigurationComplete__criticalExtensions_PR_rrcConnectionReconfigurationComplete_r8) {
/*NN: revise the condition */
/*FK: left the condition as is for the case MME is used (S1 mode) but setting dedicated_DRB = 1 otherwise (noS1 mode) so that no second RRCReconfiguration message activationg more DRB is sent as this causes problems with the nasmesh driver.*/
int flexran_agent_handover = 0;
if (EPC_MODE_ENABLED) {
if (ue_context_p->ue_context.Status == RRC_RECONFIGURED) {
dedicated_DRB = 1;
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" UE State = RRC_RECONFIGURED (dedicated DRB, xid %ld)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.rrc_TransactionIdentifier);
//clear
int16_t UE_id = find_UE_id(ctxt_pP->module_id, ctxt_pP->rnti);
if(UE_id == -1) {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RRCConnectionReconfigurationComplete without rnti %x, fault\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ctxt_pP->rnti);
break;
}
AssertFatal(!NODE_IS_CU(RC.rrc[ctxt_pP->module_id]->node_type),
"CU cannot decode DCCH: no access to RC.mac[]\n");
if(RC.mac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].crnti_reconfigurationcomplete_flag == 1) {
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" UE State = RRC_RECONFIGURED (dedicated DRB, xid %ld) C-RNTI Complete\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.rrc_TransactionIdentifier);
dedicated_DRB = 2;
RC.mac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].crnti_reconfigurationcomplete_flag = 0;
}
} else if (ue_context_p->ue_context.Status == RRC_HO_EXECUTION) {
int16_t UE_id = find_UE_id(ctxt_pP->module_id, ctxt_pP->rnti);
if(UE_id == -1) {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RRCConnectionReconfigurationComplete without rnti %x, fault\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ctxt_pP->rnti);
break;
}
flexran_agent_handover = 1;
RC.rrc[ctxt_pP->module_id]->Nb_ue++;
dedicated_DRB = 3;
RC.mac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].crnti_reconfigurationcomplete_flag = 0;
ue_context_p->ue_context.Status = RRC_RECONFIGURED;
if(ue_context_p->ue_context.handover_info) {
ue_context_p->ue_context.handover_info->state = HO_CONFIGURED;
}
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" UE State = RRC_HO_EXECUTION (xid %ld)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.rrc_TransactionIdentifier);
} else if(ue_context_p->ue_context.Status == RRC_NR_NSA) {
//Looking for a condition to trigger S1AP E-RAB-Modification-indication, based on the reception of RRCConnectionReconfigurationComplete
//including NR specific elements.
if(ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.criticalExtensions.choice.rrcConnectionReconfigurationComplete_r8.
nonCriticalExtension!=NULL) {
if(ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.criticalExtensions.choice.rrcConnectionReconfigurationComplete_r8.
nonCriticalExtension->nonCriticalExtension!=NULL) {
if(ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.criticalExtensions.choice.rrcConnectionReconfigurationComplete_r8.
nonCriticalExtension->nonCriticalExtension->nonCriticalExtension!=NULL) {
if(ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.criticalExtensions.choice.rrcConnectionReconfigurationComplete_r8.
nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension!=NULL) {
if(ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.criticalExtensions.choice.rrcConnectionReconfigurationComplete_r8.
nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension!=NULL) {
if (ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.criticalExtensions.choice.rrcConnectionReconfigurationComplete_r8.
nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension!=NULL) {
if(ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.criticalExtensions.choice.rrcConnectionReconfigurationComplete_r8.
nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension->nonCriticalExtension
->scg_ConfigResponseNR_r15!=NULL) {
dedicated_DRB = -1; /* put a value that does not run anything below */
ue_context_p->ue_context.Status = RRC_NR_NSA_RECONFIGURED;
/*Trigger E-RAB Modification Indication */
rrc_eNB_send_E_RAB_Modification_Indication(ctxt_pP, ue_context_p);
/* send reconfiguration complete to gNB */
rrc_eNB_process_reconfiguration_complete_endc(ctxt_pP, ue_context_p);
}
}
}
}
}
}
}
} else {
dedicated_DRB = 0;
ue_context_p->ue_context.Status = RRC_RECONFIGURED;
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" UE State = RRC_RECONFIGURED (default DRB, xid %ld)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.rrc_TransactionIdentifier);
}
ue_context_p->ue_context.reestablishment_xid = -1;
} else {
dedicated_DRB = 1;
ue_context_p->ue_context.Status = RRC_RECONFIGURED;
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" UE State = RRC_RECONFIGURED (dedicated DRB, xid %ld)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.rrc_TransactionIdentifier);
}
rrc_eNB_process_RRCConnectionReconfigurationComplete(
ctxt_pP,
ue_context_p,
ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.rrc_TransactionIdentifier);
//WARNING:Inform the controller about the UE activation. Should be moved to RRC agent in the future
if (flexran_agent_get_rrc_xface(ctxt_pP->module_id)) {
flexran_agent_get_rrc_xface(ctxt_pP->module_id)->flexran_agent_notify_ue_state_change(ctxt_pP->module_id,
ue_context_p->ue_id_rnti,
flexran_agent_handover?PROTOCOL__FLEX_UE_STATE_CHANGE_TYPE__FLUESC_ACTIVATED:PROTOCOL__FLEX_UE_STATE_CHANGE_TYPE__FLUESC_UPDATED);
}
}
if (EPC_MODE_ENABLED) {
if (dedicated_DRB == 1) {
// rrc_eNB_send_S1AP_E_RAB_SETUP_RESP(ctxt_pP,
// ue_context_p,
// ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.rrc_TransactionIdentifier);
if (ue_context_p->ue_context.nb_of_modify_e_rabs > 0) {
rrc_eNB_send_S1AP_E_RAB_MODIFY_RESP(ctxt_pP,
ue_context_p,
ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.rrc_TransactionIdentifier);
ue_context_p->ue_context.nb_of_modify_e_rabs = 0;
ue_context_p->ue_context.nb_of_failed_e_rabs = 0;
memset(ue_context_p->ue_context.modify_e_rab, 0, sizeof(ue_context_p->ue_context.modify_e_rab));
for(int i = 0; i < NB_RB_MAX; i++) {
ue_context_p->ue_context.modify_e_rab[i].xid = -1;
}
} else if(ue_context_p->ue_context.e_rab_release_command_flag == 1) {
xid = ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.rrc_TransactionIdentifier;
ue_context_p->ue_context.e_rab_release_command_flag = 0;
//gtp tunnel delete
msg_delete_tunnels_p = itti_alloc_new_message(TASK_RRC_ENB, 0, GTPV1U_ENB_DELETE_TUNNEL_REQ);
memset(&GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p), 0, sizeof(GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p)));
GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p).rnti = ue_context_p->ue_context.rnti;
GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p).from_gnb = 0;
for(i = 0; i < NB_RB_MAX; i++) {
if(xid == ue_context_p->ue_context.e_rab[i].xid) {
GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p).eps_bearer_id[GTPV1U_ENB_DELETE_TUNNEL_REQ(msg_delete_tunnels_p).num_erab++] = ue_context_p->ue_context.enb_gtp_ebi[i];
ue_context_p->ue_context.enb_gtp_teid[i] = 0;
memset(&ue_context_p->ue_context.enb_gtp_addrs[i], 0, sizeof(ue_context_p->ue_context.enb_gtp_addrs[i]));
ue_context_p->ue_context.enb_gtp_ebi[i] = 0;
}
}
itti_send_msg_to_task(TASK_GTPV1_U, ctxt_pP->instance, msg_delete_tunnels_p);
//S1AP_E_RAB_RELEASE_RESPONSE
rrc_eNB_send_S1AP_E_RAB_RELEASE_RESPONSE(ctxt_pP,
ue_context_p,
xid);
} else {
rrc_eNB_send_S1AP_E_RAB_SETUP_RESP(ctxt_pP,
ue_context_p,
ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.rrc_TransactionIdentifier);
}
} else if(dedicated_DRB == 0) {
if(ue_context_p->ue_context.reestablishment_cause == LTE_ReestablishmentCause_spare1) {
rrc_eNB_send_S1AP_INITIAL_CONTEXT_SETUP_RESP(ctxt_pP,
ue_context_p);
} else {
ue_context_p->ue_context.reestablishment_cause = LTE_ReestablishmentCause_spare1;
for (uint8_t e_rab = 0; e_rab < ue_context_p->ue_context.nb_of_e_rabs; e_rab++) {
if (ue_context_p->ue_context.e_rab[e_rab].status == E_RAB_STATUS_DONE) {
ue_context_p->ue_context.e_rab[e_rab].status = E_RAB_STATUS_ESTABLISHED;
} else {
ue_context_p->ue_context.e_rab[e_rab].status = E_RAB_STATUS_FAILED;
}
}
}
} else if(dedicated_DRB == 2) {
for (uint8_t e_rab = 0; e_rab < ue_context_p->ue_context.nb_of_e_rabs; e_rab++) {
if (ue_context_p->ue_context.e_rab[e_rab].status == E_RAB_STATUS_DONE) {
ue_context_p->ue_context.e_rab[e_rab].status = E_RAB_STATUS_ESTABLISHED;
} else {
ue_context_p->ue_context.e_rab[e_rab].status = E_RAB_STATUS_FAILED;
}
}
} else if(dedicated_DRB == 3) { //x2 path switch
for (uint8_t e_rab = 0; e_rab < ue_context_p->ue_context.nb_of_e_rabs; e_rab++) {
if (ue_context_p->ue_context.e_rab[e_rab].status == E_RAB_STATUS_DONE) {
ue_context_p->ue_context.e_rab[e_rab].status = E_RAB_STATUS_ESTABLISHED;
} else {
ue_context_p->ue_context.e_rab[e_rab].status = E_RAB_STATUS_FAILED;
}
}
LOG_I(RRC,"issue rrc_eNB_send_PATH_SWITCH_REQ \n");
rrc_eNB_send_PATH_SWITCH_REQ(ctxt_pP,ue_context_p);
}
} /* EPC_MODE_ENABLED */
break;
case LTE_UL_DCCH_MessageType__c1_PR_rrcConnectionReestablishmentComplete:
T(T_ENB_RRC_CONNECTION_REESTABLISHMENT_COMPLETE, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)Rx_sdu,sdu_sizeP,
"[MSG] RRC Connection Reestablishment Complete\n");
MSC_LOG_RX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
Rx_sdu,
sdu_sizeP,
MSC_AS_TIME_FMT" LTE_RRCConnectionReestablishmentComplete UE %x size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_p->ue_context.rnti,
sdu_sizeP);
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RLC RB %02d --- RLC_DATA_IND %d bytes "
"(rrcConnectionReestablishmentComplete) ---> RRC_eNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
DCCH,
sdu_sizeP);
{
rnti_t reestablish_rnti = 0;
// select C-RNTI from map
for (i = 0; i < MAX_MOBILES_PER_ENB; i++) {
if (reestablish_rnti_map[i][0] == ctxt_pP->rnti) {
reestablish_rnti = reestablish_rnti_map[i][1];
ue_context_p = rrc_eNB_get_ue_context(
RC.rrc[ctxt_pP->module_id],
reestablish_rnti);
// clear currentC-RNTI from map
reestablish_rnti_map[i][0] = 0;
reestablish_rnti_map[i][1] = 0;
LOG_D(RRC, "reestablish_rnti_map[%d] [0] %x, [1] %x\n",
i, reestablish_rnti_map[i][0], reestablish_rnti_map[i][1]);
break;
}
}
if (!ue_context_p) {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" LTE_RRCConnectionReestablishmentComplete without UE context, falt\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
break;
}
//clear
int UE_id = find_UE_id(ctxt_pP->module_id, ctxt_pP->rnti);
if(UE_id == -1) {
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" LTE_RRCConnectionReestablishmentComplete without UE_id(MAC) rnti %x, fault\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ctxt_pP->rnti);
break;
}
RC.mac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 0;
ue_context_p->ue_context.reestablishment_xid = -1;
if (ul_dcch_msg->message.choice.c1.choice.rrcConnectionReestablishmentComplete.criticalExtensions.present ==
LTE_RRCConnectionReestablishmentComplete__criticalExtensions_PR_rrcConnectionReestablishmentComplete_r8) {
rrc_eNB_process_RRCConnectionReestablishmentComplete(ctxt_pP, reestablish_rnti, ue_context_p,
ul_dcch_msg->message.choice.c1.choice.rrcConnectionReestablishmentComplete.rrc_TransactionIdentifier,
&ul_dcch_msg->message.choice.c1.choice.rrcConnectionReestablishmentComplete.criticalExtensions.choice.rrcConnectionReestablishmentComplete_r8);
//WARNING:Inform the controller about the UE activation. Should be moved to RRC agent in the future
if (flexran_agent_get_rrc_xface(ctxt_pP->module_id)) {
flexran_agent_get_rrc_xface(ctxt_pP->module_id)->flexran_agent_notify_ue_state_change(ctxt_pP->module_id,
ue_context_p->ue_id_rnti,
PROTOCOL__FLEX_UE_STATE_CHANGE_TYPE__FLUESC_ACTIVATED);
}
}
//ue_context_p->ue_context.ue_release_timer = 0;
ue_context_p->ue_context.ue_reestablishment_timer = 1;
// remove UE after 100 frames after LTE_RRCConnectionReestablishmentRelease is triggered
ue_context_p->ue_context.ue_reestablishment_timer_thres = 1000;
}
break;
case LTE_UL_DCCH_MessageType__c1_PR_rrcConnectionSetupComplete:
// to avoid segmentation fault
if(!ue_context_p) {
LOG_I(RRC, "Processing LTE_RRCConnectionSetupComplete UE %x, ue_context_p is NULL\n", ctxt_pP->rnti);
break;
}
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)Rx_sdu,sdu_sizeP,
"[MSG] RRC Connection SetupComplete\n");
MSC_LOG_RX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
Rx_sdu,
sdu_sizeP,
MSC_AS_TIME_FMT" LTE_RRCConnectionSetupComplete UE %x size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_p->ue_context.rnti,
sdu_sizeP);
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RLC RB %02d --- RLC_DATA_IND %d bytes "
"(RRCConnectionSetupComplete) ---> RRC_eNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
DCCH,
sdu_sizeP);
if (ul_dcch_msg->message.choice.c1.choice.rrcConnectionSetupComplete.criticalExtensions.present ==
LTE_RRCConnectionSetupComplete__criticalExtensions_PR_c1) {
if (ul_dcch_msg->message.choice.c1.choice.rrcConnectionSetupComplete.criticalExtensions.choice.c1.
present ==
LTE_RRCConnectionSetupComplete__criticalExtensions__c1_PR_rrcConnectionSetupComplete_r8) {
AssertFatal(!NODE_IS_DU(RC.rrc[ctxt_pP->module_id]->node_type),
"should not be reached in DU\n");
rrc_eNB_process_RRCConnectionSetupComplete(
ctxt_pP,
ue_context_p,
&ul_dcch_msg->message.choice.c1.choice.rrcConnectionSetupComplete.criticalExtensions.choice.c1.choice.rrcConnectionSetupComplete_r8);
LOG_I(RRC, PROTOCOL_RRC_CTXT_UE_FMT" UE State = RRC_CONNECTED \n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
//WARNING:Inform the controller about the UE activation. Should be moved to RRC agent in the future
if (flexran_agent_get_rrc_xface(ctxt_pP->module_id)) {
flexran_agent_get_rrc_xface(ctxt_pP->module_id)->flexran_agent_notify_ue_state_change(ctxt_pP->module_id,
ue_context_p->ue_id_rnti,
PROTOCOL__FLEX_UE_STATE_CHANGE_TYPE__FLUESC_ACTIVATED);
}
}
}
ue_context_p->ue_context.ue_release_timer=0;
break;
case LTE_UL_DCCH_MessageType__c1_PR_securityModeComplete:
T(T_ENB_RRC_SECURITY_MODE_COMPLETE, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
// to avoid segmentation fault
if(!ue_context_p) {
LOG_I(RRC, "Processing securityModeComplete UE %x, ue_context_p is NULL\n", ctxt_pP->rnti);
break;
}
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)Rx_sdu,sdu_sizeP,
"[MSG] RRC Security Mode Complete\n");
MSC_LOG_RX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
Rx_sdu,
sdu_sizeP,
MSC_AS_TIME_FMT" securityModeComplete UE %x size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_p->ue_context.rnti,
sdu_sizeP);
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" received securityModeComplete on UL-DCCH %d from UE\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
DCCH);
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RLC RB %02d --- RLC_DATA_IND %d bytes "
"(securityModeComplete) ---> RRC_eNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
DCCH,
sdu_sizeP);
if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) {
xer_fprint(stdout, &asn_DEF_LTE_UL_DCCH_Message, (void *)ul_dcch_msg);
}
// confirm with PDCP about the security mode for DCCH
//rrc_pdcp_config_req (enb_mod_idP, frameP, 1,CONFIG_ACTION_SET_SECURITY_MODE, (ue_mod_idP * NB_RB_MAX) + DCCH, 0x77);
// continue the procedure
rrc_eNB_generate_UECapabilityEnquiry(
ctxt_pP,
ue_context_p);
break;
case LTE_UL_DCCH_MessageType__c1_PR_securityModeFailure:
T(T_ENB_RRC_SECURITY_MODE_FAILURE, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)Rx_sdu,sdu_sizeP,
"[MSG] RRC Security Mode Failure\n");
MSC_LOG_RX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
Rx_sdu,
sdu_sizeP,
MSC_AS_TIME_FMT" securityModeFailure UE %x size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_p->ue_context.rnti,
sdu_sizeP);
LOG_W(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RLC RB %02d --- RLC_DATA_IND %d bytes "
"(securityModeFailure) ---> RRC_eNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
DCCH,
sdu_sizeP);
if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) {
xer_fprint(stdout, &asn_DEF_LTE_UL_DCCH_Message, (void *)ul_dcch_msg);
}
// cancel the security mode in PDCP
// followup with the remaining procedure
//#warning "LG Removed rrc_eNB_generate_UECapabilityEnquiry after receiving securityModeFailure"
rrc_eNB_generate_UECapabilityEnquiry(ctxt_pP, ue_context_p);
break;
case LTE_UL_DCCH_MessageType__c1_PR_ueCapabilityInformation:
T(T_ENB_RRC_UE_CAPABILITY_INFORMATION, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
// to avoid segmentation fault
if(!ue_context_p) {
LOG_I(RRC, "Processing ueCapabilityInformation UE %x, ue_context_p is NULL\n", ctxt_pP->rnti);
break;
}
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)Rx_sdu,sdu_sizeP,
"[MSG] RRC UECapablility Information\n");
MSC_LOG_RX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
Rx_sdu,
sdu_sizeP,
MSC_AS_TIME_FMT" ueCapabilityInformation UE %x size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_p->ue_context.rnti,
sdu_sizeP);
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" received ueCapabilityInformation on UL-DCCH %d from UE\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
DCCH);
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RLC RB %02d --- RLC_DATA_IND %d bytes "
"(UECapabilityInformation) ---> RRC_eNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
DCCH,
sdu_sizeP);
if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) {
xer_fprint(stdout, &asn_DEF_LTE_UL_DCCH_Message, (void *)ul_dcch_msg);
}
LOG_I(RRC, "got UE capabilities for UE %x\n", ctxt_pP->rnti);
int eutra_index = -1;
for (i = 0; i < ul_dcch_msg->message.choice.c1.choice.ueCapabilityInformation.criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList.list.count; i++) {
if (ul_dcch_msg->message.choice.c1.choice.ueCapabilityInformation.criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList.list.array[i]->rat_Type ==
LTE_RAT_Type_nr) {
if(ue_context_p->ue_context.UE_Capability_nr) {
ASN_STRUCT_FREE(asn_DEF_NR_UE_NR_Capability,ue_context_p->ue_context.UE_Capability_nr);
ue_context_p->ue_context.UE_Capability_nr = 0;
}
dec_rval = uper_decode(NULL,
&asn_DEF_NR_UE_NR_Capability,
(void **)&ue_context_p->ue_context.UE_Capability_nr,
ul_dcch_msg->message.choice.c1.choice.ueCapabilityInformation.criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList.list.array[i]->ueCapabilityRAT_Container.buf,
ul_dcch_msg->message.choice.c1.choice.ueCapabilityInformation.criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList.list.array[i]->ueCapabilityRAT_Container.size,
0, 0);
if (LOG_DEBUGFLAG(DEBUG_ASN1)) {
xer_fprint(stdout, &asn_DEF_NR_UE_NR_Capability, ue_context_p->ue_context.UE_Capability_nr);
}
if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) {
LOG_E(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Failed to decode nr UE capabilities (%zu bytes)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),dec_rval.consumed);
ASN_STRUCT_FREE(asn_DEF_NR_UE_NR_Capability,ue_context_p->ue_context.UE_Capability_nr);
ue_context_p->ue_context.UE_Capability_nr = 0;
}
ue_context_p->ue_context.UE_NR_Capability_size =
ul_dcch_msg->message.choice.c1.choice.ueCapabilityInformation.criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList.list.array[i]->ueCapabilityRAT_Container.size;
}
if (ul_dcch_msg->message.choice.c1.choice.ueCapabilityInformation.criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList.list.array[i]->rat_Type ==
LTE_RAT_Type_eutra_nr) {
if(ue_context_p->ue_context.UE_Capability_MRDC) {
ASN_STRUCT_FREE(asn_DEF_NR_UE_MRDC_Capability,ue_context_p->ue_context.UE_Capability_MRDC);
ue_context_p->ue_context.UE_Capability_MRDC = 0;
}
dec_rval = uper_decode(NULL,
&asn_DEF_NR_UE_MRDC_Capability,
(void **)&ue_context_p->ue_context.UE_Capability_MRDC,
ul_dcch_msg->message.choice.c1.choice.ueCapabilityInformation.criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList.list.array[i]->ueCapabilityRAT_Container.buf,
ul_dcch_msg->message.choice.c1.choice.ueCapabilityInformation.criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList.list.array[i]->ueCapabilityRAT_Container.size,
0, 0);
if (LOG_DEBUGFLAG(DEBUG_ASN1)) {
xer_fprint(stdout, &asn_DEF_NR_UE_MRDC_Capability, ue_context_p->ue_context.UE_Capability_MRDC);
}
if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) {
LOG_E(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Failed to decode MRDC UE capabilities (%zu bytes)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),dec_rval.consumed);
ASN_STRUCT_FREE(asn_DEF_NR_UE_MRDC_Capability,ue_context_p->ue_context.UE_Capability_MRDC);
ue_context_p->ue_context.UE_Capability_MRDC = 0;
}
ue_context_p->ue_context.UE_MRDC_Capability_size =
ul_dcch_msg->message.choice.c1.choice.ueCapabilityInformation.criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList.list.array[i]->ueCapabilityRAT_Container.size;
}
if (ul_dcch_msg->message.choice.c1.choice.ueCapabilityInformation.criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList.list.array[i]->rat_Type ==
LTE_RAT_Type_eutra) {
if (eutra_index != -1) {
LOG_E(RRC, "fatal: more than 1 eutra capability\n");
exit(1);
}
eutra_index = i;
}
}
/* do nothing if no EUTRA capabilities (TODO: may be NR capabilities, to be processed somehow) */
if (eutra_index == -1)
break;
if (ue_context_p->ue_context.UE_Capability) {
LOG_I(RRC, "freeing old UE capabilities for UE %x\n", ctxt_pP->rnti);
ASN_STRUCT_FREE(asn_DEF_LTE_UE_EUTRA_Capability,
ue_context_p->ue_context.UE_Capability);
ue_context_p->ue_context.UE_Capability = 0;
}
dec_rval = uper_decode(NULL,
&asn_DEF_LTE_UE_EUTRA_Capability,
(void **)&ue_context_p->ue_context.UE_Capability,
ul_dcch_msg->message.choice.c1.choice.ueCapabilityInformation.criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList.list.array[eutra_index]->ueCapabilityRAT_Container.buf,
ul_dcch_msg->message.choice.c1.choice.ueCapabilityInformation.criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList.list.array[eutra_index]->ueCapabilityRAT_Container.size,
0, 0);
ue_context_p->ue_context.UE_Capability_size =
ul_dcch_msg->message.choice.c1.choice.ueCapabilityInformation.criticalExtensions.choice.c1.choice.ueCapabilityInformation_r8.ue_CapabilityRAT_ContainerList.list.array[eutra_index]->ueCapabilityRAT_Container.size;
if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) {
xer_fprint(stdout, &asn_DEF_LTE_UE_EUTRA_Capability, ue_context_p->ue_context.UE_Capability);
}
if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) {
LOG_E(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Failed to decode UE capabilities (%zu bytes)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
dec_rval.consumed);
ASN_STRUCT_FREE(asn_DEF_LTE_UE_EUTRA_Capability,
ue_context_p->ue_context.UE_Capability);
ue_context_p->ue_context.UE_Capability = 0;
}
if (dec_rval.code == RC_OK)
ue_context_p->ue_context.does_nr = is_en_dc_supported(ue_context_p->ue_context.UE_Capability);
if (EPC_MODE_ENABLED) {
rrc_eNB_send_S1AP_UE_CAPABILITIES_IND(ctxt_pP,
ue_context_p,
ul_dcch_msg);
} else {
ue_context_p->ue_context.nb_of_e_rabs = 1;
for (i = 0; i < ue_context_p->ue_context.nb_of_e_rabs; i++) {
ue_context_p->ue_context.e_rab[i].status = E_RAB_STATUS_NEW;
ue_context_p->ue_context.e_rab[i].param.e_rab_id = 1+i;
ue_context_p->ue_context.e_rab[i].param.qos.qci=9;
}
ue_context_p->ue_context.setup_e_rabs =ue_context_p->ue_context.nb_of_e_rabs;
}
rrc_eNB_generate_defaultRRCConnectionReconfiguration(ctxt_pP,
ue_context_p,
RC.rrc[ctxt_pP->module_id]->HO_flag);
break;
case LTE_UL_DCCH_MessageType__c1_PR_ulHandoverPreparationTransfer:
T(T_ENB_RRC_UL_HANDOVER_PREPARATION_TRANSFER, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
break;
case LTE_UL_DCCH_MessageType__c1_PR_ulInformationTransfer:
T(T_ENB_RRC_UL_INFORMATION_TRANSFER, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
// to avoid segmentation fault
if(!ue_context_p) {
LOG_I(RRC, "Processing ulInformationTransfer UE %x, ue_context_p is NULL\n", ctxt_pP->rnti);
break;
}
LOG_D(RRC,"[MSG] RRC UL Information Transfer \n");
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)Rx_sdu,sdu_sizeP,
"[MSG] RRC UL Information Transfer \n");
MSC_LOG_RX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
Rx_sdu,
sdu_sizeP,
MSC_AS_TIME_FMT" ulInformationTransfer UE %x size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_p->ue_context.rnti,
sdu_sizeP);
if (EPC_MODE_ENABLED == 1) {
rrc_eNB_send_S1AP_UPLINK_NAS(ctxt_pP,
ue_context_p,
ul_dcch_msg);
}
break;
case LTE_UL_DCCH_MessageType__c1_PR_counterCheckResponse:
T(T_ENB_RRC_COUNTER_CHECK_RESPONSE, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
break;
case LTE_UL_DCCH_MessageType__c1_PR_ueInformationResponse_r9:
T(T_ENB_RRC_UE_INFORMATION_RESPONSE_R9, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
break;
case LTE_UL_DCCH_MessageType__c1_PR_proximityIndication_r9:
T(T_ENB_RRC_PROXIMITY_INDICATION_R9, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
break;
case LTE_UL_DCCH_MessageType__c1_PR_rnReconfigurationComplete_r10:
T(T_ENB_RRC_RECONFIGURATION_COMPLETE_R10, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
break;
case LTE_UL_DCCH_MessageType__c1_PR_mbmsCountingResponse_r10:
T(T_ENB_RRC_MBMS_COUNTING_RESPONSE_R10, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
LOG_E(RRC, "THINH [LTE_UL_DCCH_MessageType__c1_PR_mbmsCountingResponse_r10]\n");
break;
case LTE_UL_DCCH_MessageType__c1_PR_interFreqRSTDMeasurementIndication_r10:
T(T_ENB_RRC_INTER_FREQ_RSTD_MEASUREMENT_INDICATION, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
break;
default:
T(T_ENB_RRC_UNKNOW_MESSAGE, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
LOG_E(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Unknown message %s:%u\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
__FILE__, __LINE__);
return -1;
}
return 0;
//TTN for D2D
} else if (ul_dcch_msg->message.present == LTE_UL_DCCH_MessageType_PR_messageClassExtension) {
LOG_I(RRC, "[LTE_UL_DCCH_MessageType_PR_messageClassExtension]\n");
switch (ul_dcch_msg->message.choice.messageClassExtension.present) {
case LTE_UL_DCCH_MessageType__messageClassExtension_PR_NOTHING: /* No components present */
break;
case LTE_UL_DCCH_MessageType__messageClassExtension_PR_c2: //SidelinkUEInformation
if(ul_dcch_msg->message.choice.messageClassExtension.choice.c2.present ==
LTE_UL_DCCH_MessageType__messageClassExtension__c2_PR_scgFailureInformationNR_r15) {
if (ul_dcch_msg->message.choice.messageClassExtension.choice.c2.choice.scgFailureInformationNR_r15.
criticalExtensions.present == LTE_SCGFailureInformationNR_r15__criticalExtensions_PR_c1) {
if (ul_dcch_msg->message.choice.messageClassExtension.choice.c2.choice.scgFailureInformationNR_r15.criticalExtensions.
choice.c1.present == LTE_SCGFailureInformationNR_r15__criticalExtensions__c1_PR_scgFailureInformationNR_r15) {
if (ul_dcch_msg->message.choice.messageClassExtension.choice.c2.choice.scgFailureInformationNR_r15.criticalExtensions.
choice.c1.choice.scgFailureInformationNR_r15.failureReportSCG_NR_r15!=NULL) {
LOG_E(RRC, "Received NR scgFailureInformation from UE, failure type: %ld \n",
ul_dcch_msg->message.choice.messageClassExtension.choice.c2.choice.scgFailureInformationNR_r15.criticalExtensions.
choice.c1.choice.scgFailureInformationNR_r15.failureReportSCG_NR_r15->failureType_r15);
xer_fprint(stdout, &asn_DEF_LTE_UL_DCCH_Message, (void *)ul_dcch_msg);
/* TODO: scg failure indication, what to do? Let's remove the UE for now.
* We could re-establish DRB?
* Also, the way to remove is to start ue_release_timer_rrc and
* send RRCConnectionRelease to the UE, maybe it's not good/correct.
*/
if (ue_context_p != NULL) {
ue_context_p->ue_context.ue_release_timer_thres_rrc = 100;
ue_context_p->ue_context.ue_release_timer_rrc = 1;
rrc_eNB_generate_RRCConnectionRelease(ctxt_pP, ue_context_p);
}
}
}
}
} else if(ul_dcch_msg->message.choice.messageClassExtension.choice.c2.present == LTE_UL_DCCH_MessageType__messageClassExtension__c2_PR_sidelinkUEInformation_r12) {
//case UL_DCCH_MessageType__messageClassExtension__c2_PR_sidelinkUEInformation_r12: //SidelinkUEInformation
LOG_I(RRC,"THINH [LTE_UL_DCCH_MessageType__messageClassExtension_PR_c2]\n");
LOG_DUMPMSG(RRC,DEBUG_RRC,(char *)Rx_sdu,sdu_sizeP,
"[MSG] RRC SidelinkUEInformation \n");
MSC_LOG_RX_MESSAGE(
MSC_RRC_ENB,
MSC_RRC_UE,
Rx_sdu,
sdu_sizeP,
MSC_AS_TIME_FMT" SidelinkUEInformation UE %x size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_p->ue_context.rnti,
sdu_sizeP);
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RLC RB %02d --- RLC_DATA_IND %d bytes "
"(SidelinkUEInformation) ---> RRC_eNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
DCCH,
sdu_sizeP);
rrc_eNB_process_SidelinkUEInformation(
ctxt_pP,
ue_context_p,
&ul_dcch_msg->message.choice.messageClassExtension.choice.c2.choice.sidelinkUEInformation_r12);
}
break;
default:
break;
}
//end TTN
} else {
LOG_E(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Unknown error %s:%u\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
__FILE__, __LINE__);
return -1;
}
return 0;
}
void rrc_eNB_reconfigure_DRBs (const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *ue_context_pP) {
int i;
int e_rab_done=0;
for (i = 0;
i < 3;//NB_RB_MAX - 3; // S1AP_MAX_E_RAB
i++) {
if ( ue_context_pP->ue_context.e_rab[i].status < E_RAB_STATUS_DONE) {
ue_context_pP->ue_context.e_rab[i].status = E_RAB_STATUS_NEW;
ue_context_pP->ue_context.e_rab[i].param.e_rab_id = i + 1;
ue_context_pP->ue_context.e_rab[i].param.qos.qci = i % 9;
ue_context_pP->ue_context.e_rab[i].param.qos.allocation_retention_priority.priority_level= i % PRIORITY_LEVEL_LOWEST;
ue_context_pP->ue_context.e_rab[i].param.qos.allocation_retention_priority.pre_emp_capability= PRE_EMPTION_CAPABILITY_DISABLED;
ue_context_pP->ue_context.e_rab[i].param.qos.allocation_retention_priority.pre_emp_vulnerability= PRE_EMPTION_VULNERABILITY_DISABLED;
ue_context_pP->ue_context.e_rab[i].param.nas_pdu.buffer = NULL;
ue_context_pP->ue_context.e_rab[i].param.nas_pdu.length = 0;
// memset (ue_context_pP->ue_context.e_rab[i].param.sgw_addr.buffer,0,20);
ue_context_pP->ue_context.e_rab[i].param.sgw_addr.length = 0;
ue_context_pP->ue_context.e_rab[i].param.gtp_teid=0;
ue_context_pP->ue_context.nb_of_e_rabs++;
e_rab_done++;
LOG_I(RRC,"setting up the dedicated DRBs %d (index %d) status %d \n",
ue_context_pP->ue_context.e_rab[i].param.e_rab_id, i, ue_context_pP->ue_context.e_rab[i].status);
}
}
ue_context_pP->ue_context.setup_e_rabs+=e_rab_done;
rrc_eNB_generate_dedicatedRRCConnectionReconfiguration(ctxt_pP, ue_context_pP, 0);
}
void handle_f1_setup_req(f1ap_setup_req_t *f1_setup_req) {
LOG_I(RRC,"Received F1 Setup Request from gNB_DU %llu (%s)\n",(unsigned long long int)f1_setup_req->gNB_DU_id,f1_setup_req->gNB_DU_name);
//uint16_t num_cells_to_activate = 0;
int cu_cell_ind=0;
MessageDef *msg_p = NULL;
//LOG_W(RRC,"num_cells_available %d \n", f1_setup_req->num_cells_available);
for (int i=0; i<f1_setup_req->num_cells_available; i++) {
// check that mcc/mnc match and grab MIB/SIB1
int found_cell=0;
for (int j=0; j<RC.nb_inst; j++) {
eNB_RRC_INST *rrc = RC.rrc[j];
if (rrc->configuration.mcc[0] == f1_setup_req->mcc[i] &&
rrc->configuration.mnc[0] == f1_setup_req->mnc[i] &&
rrc->nr_cellid == f1_setup_req->nr_cellid[i]) {
// check that CU rrc instance corresponds to mcc/mnc/cgi (normally cgi should be enough, but just in case)
rrc->carrier[0].MIB = malloc(f1_setup_req->mib_length[i]);
rrc->carrier[0].sizeof_MIB = f1_setup_req->mib_length[i];
LOG_W(RRC, "instance %d mib length %d\n", i, f1_setup_req->mib_length[i]);
LOG_W(RRC, "instance %d sib1 length %d\n", i, f1_setup_req->sib1_length[i]);
memcpy((void *)rrc->carrier[0].MIB,f1_setup_req->mib[i],f1_setup_req->mib_length[i]);
asn_dec_rval_t dec_rval = uper_decode_complete(NULL,
&asn_DEF_LTE_BCCH_BCH_Message,
(void **)&rrc->carrier[0].mib_DU,
f1_setup_req->mib[i],
f1_setup_req->mib_length[i]);
AssertFatal(dec_rval.code == RC_OK,
"[eNB_DU %"PRIu8"] Failed to decode LTE_BCCH_BCH_MESSAGE (%zu bits)\n",
j,
dec_rval.consumed );
LTE_BCCH_BCH_Message_t *mib = &rrc->carrier[0].mib;
LTE_BCCH_BCH_Message_t *mib_DU = rrc->carrier[0].mib_DU;
mib->message.dl_Bandwidth = mib_DU->message.dl_Bandwidth;
mib->message.phich_Config.phich_Resource = mib_DU->message.phich_Config.phich_Resource;
mib->message.phich_Config.phich_Duration = mib_DU->message.phich_Config.phich_Duration;
rrc->carrier[0].SIB1 = malloc(f1_setup_req->sib1_length[i]);
rrc->carrier[0].sizeof_SIB1 = f1_setup_req->sib1_length[i];
memcpy((void *)rrc->carrier[0].SIB1,f1_setup_req->sib1[i],f1_setup_req->sib1_length[i]);
dec_rval = uper_decode_complete(NULL,
&asn_DEF_LTE_BCCH_DL_SCH_Message,
(void **)&rrc->carrier[0].siblock1_DU,
f1_setup_req->sib1[i],
f1_setup_req->sib1_length[i]);
AssertFatal(dec_rval.code == RC_OK,
"[eNB_DU %"PRIu8"] Failed to decode LTE_BCCH_DLSCH_MESSAGE (%zu bits)\n",
j,
dec_rval.consumed );
// Parse message and extract SystemInformationBlockType1 field
LTE_BCCH_DL_SCH_Message_t *bcch_message = rrc->carrier[0].siblock1_DU;
AssertFatal(bcch_message->message.present == LTE_BCCH_DL_SCH_MessageType_PR_c1,
"bcch_message->message.present != LTE_BCCH_DL_SCH_MessageType_PR_c1\n");
AssertFatal(bcch_message->message.choice.c1.present == LTE_BCCH_DL_SCH_MessageType__c1_PR_systemInformationBlockType1,
"bcch_message->message.choice.c1.present != LTE_BCCH_DL_SCH_MessageType__c1_PR_systemInformationBlockType1\n");
rrc->carrier[0].sib1 = &bcch_message->message.choice.c1.choice.systemInformationBlockType1;
rrc->carrier[0].physCellId = f1_setup_req->nr_pci[i];
// prepare F1_SETUP_RESPONSE
if (msg_p == NULL) {
msg_p = itti_alloc_new_message (TASK_CU_F1, 0,F1AP_SETUP_RESP);
}
F1AP_SETUP_RESP (msg_p).gNB_CU_name = rrc->node_name;
F1AP_SETUP_RESP (msg_p).mcc[cu_cell_ind] = rrc->configuration.mcc[0];
F1AP_SETUP_RESP (msg_p).mnc[cu_cell_ind] = rrc->configuration.mnc[0];
F1AP_SETUP_RESP (msg_p).mnc_digit_length[cu_cell_ind] = rrc->configuration.mnc_digit_length[0];
F1AP_SETUP_RESP (msg_p).nr_cellid[cu_cell_ind] = rrc->nr_cellid;
F1AP_SETUP_RESP (msg_p).nrpci[cu_cell_ind] = f1_setup_req->nr_pci[i];
int num_SI= 0;
if (rrc->carrier[0].SIB23) {
F1AP_SETUP_RESP (msg_p).SI_container[cu_cell_ind][num_SI] = rrc->carrier[0].SIB23;
F1AP_SETUP_RESP (msg_p).SI_container_length[cu_cell_ind][num_SI] = rrc->carrier[0].sizeof_SIB23;
//printf("SI %d size %d: ", 0, F1AP_SETUP_RESP(msg_p).SI_container_length[j][num_SI]);
//for (int n = 0; n < F1AP_SETUP_RESP(msg_p).SI_container_length[j][num_SI]; n++)
// printf("%02x ", F1AP_SETUP_RESP(msg_p).SI_container[0][num_SI][n]);
//printf("\n");
num_SI++;
}
F1AP_SETUP_RESP (msg_p).num_SI[cu_cell_ind] = num_SI;
cu_cell_ind++;
found_cell=1;
F1AP_SETUP_RESP (msg_p).num_cells_to_activate = cu_cell_ind;
// send ITTI message to F1AP-CU task
itti_send_msg_to_task (TASK_CU_F1, ENB_MODULE_ID_TO_INSTANCE(j), msg_p);
break;
} else {// setup_req mcc/mnc match rrc internal list element
LOG_W(RRC,"[Inst %d] No matching MCC/MNC: rrc->mcc/f1_setup_req->mcc %d/%d rrc->mnc/f1_setup_req->mnc %d/%d \n",
j, rrc->configuration.mcc[0], f1_setup_req->mcc[i],rrc->configuration.mnc[0], f1_setup_req->mnc[i]);
}
}// for (int j=0;j<RC.nb_inst;j++)
if (found_cell==0) {
AssertFatal(1==0,"No cell found\n");
/*msg_p = itti_alloc_new_message (TASK_CU_F1, 0,F1AP_SETUP_FAILURE);
F1AP_SETUP_RESP (msg_p).cause = rrc->node_name;
F1AP_SETUP_RESP (msg_p).time_to_wait = rrc->node_id;
F1AP_SETUP_RESP (msg_p).criticality_diagnostics = rrc->node_name;*/
}
// handle other failure cases
}//for (int i=0;i<f1_setup_req->num_cells_available;i++)
}
// ignore 5GNR fields for now, just take MIB and SIB1
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void rrc_enb_init(void) {
pthread_mutex_init(&lock_ue_freelist, NULL);
pthread_mutex_init(&rrc_release_freelist, NULL);
memset(&rrc_release_info,0,sizeof(RRC_release_list_t));
}
//-----------------------------------------------------------------------------
void process_successful_rlc_sdu_indication(int instance,
int rnti,
int message_id) {
int release_num;
int release_total;
RRC_release_ctrl_t *release_ctrl;
/* Check if the message sent was RRC Connection Release.
* If yes then continue the release process.
*/
pthread_mutex_lock(&rrc_release_freelist);
if (rrc_release_info.num_UEs > 0) {
release_total = 0;
for (release_num = 0, release_ctrl = &rrc_release_info.RRC_release_ctrl[0];
release_num < NUMBER_OF_UE_MAX;
release_num++, release_ctrl++) {
if(release_ctrl->flag > 0) {
release_total++;
} else {
continue;
}
if (release_ctrl->flag == 1 && release_ctrl->rnti == rnti && release_ctrl->rrc_eNB_mui == message_id) {
release_ctrl->flag = 3;
LOG_D(MAC,"DLSCH Release send:index %d rnti %x mui %d flag 1->3\n",
release_num,
rnti,
message_id);
break;
}
if (release_ctrl->flag == 2 && release_ctrl->rnti == rnti && release_ctrl->rrc_eNB_mui == message_id) {
release_ctrl->flag = 4;
LOG_D(MAC, "DLSCH Release send:index %d rnti %x mui %d flag 2->4\n",
release_num,
rnti,
message_id);
break;
}
if(release_total >= rrc_release_info.num_UEs)
break;
}
}
pthread_mutex_unlock(&rrc_release_freelist);
}
//-----------------------------------------------------------------------------
void process_unsuccessful_rlc_sdu_indication(int instance, int rnti) {
int release_num;
int release_total;
RRC_release_ctrl_t *release_ctrl;
/* radio link failure detected by RLC layer, remove UE properly */
pthread_mutex_lock(&rrc_release_freelist);
/* first, check if the rnti is in the list rrc_release_info.RRC_release_ctrl */
if (rrc_release_info.num_UEs > 0) {
release_total = 0;
for (release_num = 0, release_ctrl = &rrc_release_info.RRC_release_ctrl[0];
release_num < NUMBER_OF_UE_MAX;
release_num++, release_ctrl++) {
if(release_ctrl->flag > 0) {
release_total++;
} else {
continue;
}
if (release_ctrl->flag == 1 && release_ctrl->rnti == rnti) {
release_ctrl->flag = 3;
LOG_D(MAC,"DLSCH Release send:index %d rnti %x flag 1->3\n",
release_num,
rnti);
goto done;
}
if (release_ctrl->flag == 2 && release_ctrl->rnti == rnti) {
release_ctrl->flag = 4;
LOG_D(MAC, "DLSCH Release send:index %d rnti %x flag 2->4\n",
release_num,
rnti);
goto done;
}
if(release_total >= rrc_release_info.num_UEs)
break;
}
}
/* it's not in the list, put it with flag = 4 */
for (release_num = 0; release_num < NUMBER_OF_UE_MAX; release_num++) {
if (rrc_release_info.RRC_release_ctrl[release_num].flag == 0) {
rrc_release_info.RRC_release_ctrl[release_num].flag = 4;
rrc_release_info.RRC_release_ctrl[release_num].rnti = rnti;
rrc_release_info.RRC_release_ctrl[release_num].rrc_eNB_mui = -1; /* not defined */
rrc_release_info.num_UEs++;
LOG_D(RRC, "radio link failure detected: index %d rnti %x flag %d \n",
release_num,
rnti,
rrc_release_info.RRC_release_ctrl[release_num].flag);
break;
}
}
/* TODO: what to do if rrc_release_info.RRC_release_ctrl is full? */
if (release_num == NUMBER_OF_UE_MAX) {
LOG_E(RRC, "fatal: radio link failure: rrc_release_info.RRC_release_ctrl is full\n");
exit(1);
}
done:
pthread_mutex_unlock(&rrc_release_freelist);
}
//-----------------------------------------------------------------------------
void process_rlc_sdu_indication(int instance,
int rnti,
int is_successful,
int srb_id,
int message_id) {
if (is_successful)
process_successful_rlc_sdu_indication(instance, rnti, message_id);
else
process_unsuccessful_rlc_sdu_indication(instance, rnti);
}
//-----------------------------------------------------------------------------
int add_ue_to_remove(struct rrc_eNB_ue_context_s **ue_to_be_removed,
int removed_ue_count,
struct rrc_eNB_ue_context_s *ue_context_p) {
int i;
/* is it already here? */
for (i = 0; i < removed_ue_count; i++)
if (ue_to_be_removed[i] == ue_context_p)
return removed_ue_count;
if (removed_ue_count == NUMBER_OF_UE_MAX) {
LOG_E(RRC, "fatal: ue_to_be_removed is full\n");
exit(1);
}
ue_to_be_removed[removed_ue_count] = ue_context_p;
removed_ue_count++;
return removed_ue_count;
}
//-----------------------------------------------------------------------------
void rrc_subframe_process(protocol_ctxt_t *const ctxt_pP, const int CC_id) {
int32_t current_timestamp_ms = 0;
int32_t ref_timestamp_ms = 0;
struct timeval ts;
struct rrc_eNB_ue_context_s *ue_context_p = NULL;
struct rrc_eNB_ue_context_s *ue_to_be_removed[NUMBER_OF_UE_MAX];
int removed_ue_count = 0;
int cur_ue;
#ifdef LOCALIZATION
double estimated_distance = 0;
protocol_ctxt_t ctxt;
#endif
MessageDef *msg;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RRC_RX_TX, VCD_FUNCTION_IN);
if (RC.rrc[ENB_INSTANCE_TO_MODULE_ID(ctxt_pP->instance)]->configuration.enable_x2) {
/* send a tick to x2ap */
msg = itti_alloc_new_message(TASK_RRC_ENB, 0, X2AP_SUBFRAME_PROCESS);
itti_send_msg_to_task(TASK_X2AP, ctxt_pP->module_id, msg);
check_handovers(ctxt_pP); // counter, get the value and aggregate
}
// check for UL failure or for UE to be released
RB_FOREACH(ue_context_p, rrc_ue_tree_s, &(RC.rrc[ctxt_pP->module_id]->rrc_ue_head)) {
ctxt_pP->rnti = ue_context_p->ue_id_rnti;
if ((ctxt_pP->frame == 0) && (ctxt_pP->subframe == 0)) {
if (ue_context_p->ue_context.Initialue_identity_s_TMSI.presence == TRUE) {
LOG_I(RRC, "UE rnti %x: S-TMSI %x failure timer %d/8\n",
ue_context_p->ue_context.rnti,
ue_context_p->ue_context.Initialue_identity_s_TMSI.m_tmsi,
ue_context_p->ue_context.ul_failure_timer);
} else {
LOG_I(RRC, "UE rnti %x failure timer %d/8\n",
ue_context_p->ue_context.rnti,
ue_context_p->ue_context.ul_failure_timer);
}
}
if (ue_context_p->ue_context.ul_failure_timer > 0) {
ue_context_p->ue_context.ul_failure_timer++;
if (ue_context_p->ue_context.ul_failure_timer >= 20000) {
// remove UE after 20 seconds after MAC (or else) has indicated UL failure
LOG_I(RRC, "Removing UE %x instance, because of uplink failure timer timeout\n",
ue_context_p->ue_context.rnti);
removed_ue_count = add_ue_to_remove(ue_to_be_removed, removed_ue_count, ue_context_p);
break; // break RB_FOREACH
}
}
if (ue_context_p->ue_context.ue_release_timer_s1 > 0) {
ue_context_p->ue_context.ue_release_timer_s1++;
if (ue_context_p->ue_context.ue_release_timer_s1 >= ue_context_p->ue_context.ue_release_timer_thres_s1) {
LOG_I(RRC, "Removing UE %x instance, because of UE_CONTEXT_RELEASE_COMMAND not received after %d ms from sending request\n",
ue_context_p->ue_context.rnti,
ue_context_p->ue_context.ue_release_timer_thres_s1);
if (EPC_MODE_ENABLED && !NODE_IS_DU(RC.rrc[ctxt_pP->module_id]->node_type))
rrc_eNB_generate_RRCConnectionRelease(ctxt_pP, ue_context_p);
else
removed_ue_count = add_ue_to_remove(ue_to_be_removed, removed_ue_count, ue_context_p);
ue_context_p->ue_context.ue_release_timer_s1 = 0;
break; // break RB_FOREACH
} // end if timer_s1 timeout
} // end if timer_s1 > 0 (S1 UE_CONTEXT_RELEASE_REQ ongoing)
if (ue_context_p->ue_context.ue_release_timer_rrc > 0) {
ue_context_p->ue_context.ue_release_timer_rrc++;
if (ue_context_p->ue_context.ue_release_timer_rrc >= ue_context_p->ue_context.ue_release_timer_thres_rrc) {
LOG_I(RRC, "Removing UE %x instance after UE_CONTEXT_RELEASE_Complete (ue_release_timer_rrc timeout)\n",
ue_context_p->ue_context.rnti);
ue_context_p->ue_context.ue_release_timer_rrc = 0;
removed_ue_count = add_ue_to_remove(ue_to_be_removed, removed_ue_count, ue_context_p);
break; // break RB_FOREACH
}
}
if (ue_context_p->ue_context.handover_info != NULL) {
if (ue_context_p->ue_context.handover_info->state == HO_RELEASE) {
removed_ue_count = add_ue_to_remove(ue_to_be_removed, removed_ue_count, ue_context_p);
rrc_eNB_handover_ue_context_release(ctxt_pP, ue_context_p);
break; //break RB_FOREACH (why to break ?)
}
if (ue_context_p->ue_context.handover_info->state == HO_CANCEL) {
rrc_eNB_handover_cancel(ctxt_pP, ue_context_p);
/* freeing handover_info and setting it to NULL to let
* RRC wait for MME to later on release the UE
*/
free(ue_context_p->ue_context.handover_info);
ue_context_p->ue_context.handover_info = NULL;
}
}
pthread_mutex_lock(&rrc_release_freelist);
if (rrc_release_info.num_UEs > 0) {
uint16_t release_total = 0;
for (uint16_t release_num = 0; release_num < NUMBER_OF_UE_MAX; release_num++) {
if (rrc_release_info.RRC_release_ctrl[release_num].flag > 0) {
release_total++;
}
if ((rrc_release_info.RRC_release_ctrl[release_num].flag > 2) &&
(rrc_release_info.RRC_release_ctrl[release_num].rnti == ue_context_p->ue_context.rnti)) {
ue_context_p->ue_context.ue_release_timer_rrc = 1;
ue_context_p->ue_context.ue_release_timer_thres_rrc = 100;
if (EPC_MODE_ENABLED && !NODE_IS_DU(RC.rrc[ctxt_pP->module_id]->node_type)) {
if (rrc_release_info.RRC_release_ctrl[release_num].flag == 4) { // if timer_s1 == 0
rrc_eNB_send_S1AP_UE_CONTEXT_RELEASE_CPLT(ctxt_pP->module_id,
ue_context_p->ue_context.eNB_ue_s1ap_id);
}
rrc_eNB_send_GTPV1U_ENB_DELETE_TUNNEL_REQ(ctxt_pP->module_id,
ue_context_p);
// erase data of GTP tunnels in UE context
for (int e_rab = 0; e_rab < ue_context_p->ue_context.nb_of_e_rabs; e_rab++) {
ue_context_p->ue_context.enb_gtp_teid[e_rab] = 0;
memset(&ue_context_p->ue_context.enb_gtp_addrs[e_rab],
0, sizeof(ue_context_p->ue_context.enb_gtp_addrs[e_rab]));
ue_context_p->ue_context.enb_gtp_ebi[e_rab] = 0;
}
struct rrc_ue_s1ap_ids_s *rrc_ue_s1ap_ids = NULL;
rrc_ue_s1ap_ids = rrc_eNB_S1AP_get_ue_ids(RC.rrc[ctxt_pP->module_id], 0,
ue_context_p->ue_context.eNB_ue_s1ap_id);
if (rrc_ue_s1ap_ids != NULL) {
rrc_eNB_S1AP_remove_ue_ids(RC.rrc[ctxt_pP->module_id], rrc_ue_s1ap_ids);
}
} /* EPC_MODE_ENABLED && !NODE_IS_DU */
rrc_release_info.RRC_release_ctrl[release_num].flag = 0;
rrc_release_info.num_UEs--;
break; // break for (release_num)
} // end if ((rrc_release_info.RRC_release_ctrl[release_num].flag > 2) && ...
if (release_total >= rrc_release_info.num_UEs) {
break; // break for (release_num)
}
} // end for (release_num)
} // end if (rrc_release_info.num_UEs > 0)
pthread_mutex_unlock(&rrc_release_freelist);
if ((ue_context_p->ue_context.ue_rrc_inactivity_timer > 0) && (RC.rrc[ctxt_pP->module_id]->configuration.rrc_inactivity_timer_thres > 0)) {
ue_context_p->ue_context.ue_rrc_inactivity_timer++;
if (ue_context_p->ue_context.ue_rrc_inactivity_timer >= RC.rrc[ctxt_pP->module_id]->configuration.rrc_inactivity_timer_thres) {
LOG_I(RRC, "Removing UE %x instance because of rrc_inactivity_timer timeout\n",
ue_context_p->ue_context.rnti);
removed_ue_count = add_ue_to_remove(ue_to_be_removed, removed_ue_count, ue_context_p);
break; // break RB_FOREACH
}
}
if (ue_context_p->ue_context.ue_reestablishment_timer > 0) {
ue_context_p->ue_context.ue_reestablishment_timer++;
if (ue_context_p->ue_context.ue_reestablishment_timer >= ue_context_p->ue_context.ue_reestablishment_timer_thres) {
LOG_I(RRC, "Removing UE %x instance because of reestablishment_timer timeout\n",
ue_context_p->ue_context.rnti);
ue_context_p->ue_context.ul_failure_timer = 20000; // lead to send S1 UE_CONTEXT_RELEASE_REQ
removed_ue_count = add_ue_to_remove(ue_to_be_removed, removed_ue_count, ue_context_p);
ue_context_p->ue_context.ue_reestablishment_timer = 0;
break; // break RB_FOREACH
}
}
if (ue_context_p->ue_context.ue_release_timer > 0) {
ue_context_p->ue_context.ue_release_timer++;
if (ue_context_p->ue_context.ue_release_timer >= ue_context_p->ue_context.ue_release_timer_thres) {
LOG_I(RRC, "Removing UE %x instance because of RRC Connection Setup timer timeout\n",
ue_context_p->ue_context.rnti);
/*
* TODO: Naming problem here: ue_release_timer seems to have been used when RRC Connection Release was sent.
* It is no more the case.
* The timer should be renamed.
*/
removed_ue_count = add_ue_to_remove(ue_to_be_removed, removed_ue_count, ue_context_p);
ue_context_p->ue_context.ue_release_timer = 0;
break; // break RB_FOREACH
}
}
} // end RB_FOREACH
for (cur_ue = 0; cur_ue < removed_ue_count; cur_ue++) {
if ((ue_to_be_removed[cur_ue]->ue_context.ul_failure_timer >= 20000) ||
((ue_to_be_removed[cur_ue]->ue_context.ue_rrc_inactivity_timer >= RC.rrc[ctxt_pP->module_id]->configuration.rrc_inactivity_timer_thres) &&
(RC.rrc[ctxt_pP->module_id]->configuration.rrc_inactivity_timer_thres > 0))) {
ue_to_be_removed[cur_ue]->ue_context.ue_release_timer_s1 = 1;
ue_to_be_removed[cur_ue]->ue_context.ue_release_timer_thres_s1 = 100;
ue_to_be_removed[cur_ue]->ue_context.ue_release_timer = 0;
ue_to_be_removed[cur_ue]->ue_context.ue_reestablishment_timer = 0;
}
/* remove UE from gNB if UE is in NSA mode */
if (ue_to_be_removed[cur_ue]->ue_context.Status == RRC_NR_NSA ||
ue_to_be_removed[cur_ue]->ue_context.Status == RRC_NR_NSA_RECONFIGURED) {
MessageDef *message_p;
message_p = itti_alloc_new_message(TASK_RRC_ENB, 0, X2AP_ENDC_SGNB_RELEASE_REQUEST);
X2AP_ENDC_SGNB_RELEASE_REQUEST(message_p).rnti = ue_to_be_removed[cur_ue]->ue_context.gnb_rnti;
X2AP_ENDC_SGNB_RELEASE_REQUEST(message_p).assoc_id = ue_to_be_removed[cur_ue]->ue_context.gnb_x2_assoc_id;
X2AP_ENDC_SGNB_RELEASE_REQUEST(message_p).cause = X2AP_CAUSE_RADIO_CONNECTION_WITH_UE_LOST;
itti_send_msg_to_task(TASK_X2AP, ctxt_pP->module_id, message_p);
/* set state to RRC_NR_NSA_DELETED to avoid sending X2AP_ENDC_SGNB_RELEASE_REQUEST again later */
ue_to_be_removed[cur_ue]->ue_context.Status = RRC_NR_NSA_DELETED;
}
rrc_eNB_free_UE(ctxt_pP->module_id, ue_to_be_removed[cur_ue]);
if (ue_to_be_removed[cur_ue]->ue_context.ul_failure_timer >= 20000) {
ue_to_be_removed[cur_ue]->ue_context.ul_failure_timer = 0;
}
if ((ue_to_be_removed[cur_ue]->ue_context.ue_rrc_inactivity_timer >= RC.rrc[ctxt_pP->module_id]->configuration.rrc_inactivity_timer_thres) &&
(RC.rrc[ctxt_pP->module_id]->configuration.rrc_inactivity_timer_thres > 0)) {
ue_to_be_removed[cur_ue]->ue_context.ue_rrc_inactivity_timer = 0; //reset timer after S1 command UE context release request is sent
}
}
#ifdef RRC_LOCALIZATION
/* for the localization, only primary CC_id might be relevant*/
gettimeofday(&ts, NULL);
current_timestamp_ms = ts.tv_sec * 1000 + ts.tv_usec / 1000;
ref_timestamp_ms = RC.rrc[ctxt_pP->module_id]->reference_timestamp_ms;
RB_FOREACH(ue_context_p, rrc_ue_tree_s, &(RC.rrc[ctxt_pP->module_id]->rrc_ue_head)) {
ctxt = *ctxt_pP;
ctxt.rnti = ue_context_p->ue_context.rnti;
estimated_distance = rrc_get_estimated_ue_distance(&ctxt, CC_id, RC.rrc[ctxt_pP->module_id]->loc_type);
if ((current_timestamp_ms - ref_timestamp_ms > RC.rrc[ctxt_pP->module_id]->aggregation_period_ms) &&
estimated_distance != -1) {
LOG_D(LOCALIZE, "RRC [UE/id %d -> eNB/id %d] timestamp %d frame %d estimated r = %f\n",
ctxt.rnti,
ctxt_pP->module_id,
current_timestamp_ms,
ctxt_pP->frame,
estimated_distance);
LOG_D(LOCALIZE, "RRC status %d\n",
ue_context_p->ue_context.Status);
push_front(&RC.rrc[ctxt_pP->module_id]->loc_list, estimated_distance);
RC.rrc[ctxt_pP->module_id]->reference_timestamp_ms = current_timestamp_ms;
} // end if
} // end RB_FOREACH
#endif
(void)ts; /* remove gcc warning "unused variable" */
(void)ref_timestamp_ms; /* remove gcc warning "unused variable" */
(void)current_timestamp_ms; /* remove gcc warning "unused variable" */
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RRC_RX_TX, VCD_FUNCTION_OUT);
}
void rrc_eNB_process_ENDC_x2_setup_request(int mod_id, x2ap_ENDC_setup_req_t *m) {
if (RC.rrc[mod_id]->num_neigh_cells > MAX_NUM_NEIGH_CELLs) {
LOG_E(RRC, "Error: number of neighbouring cells is exceeded \n");
return;
}
if (m->num_cc > MAX_NUM_CCs) {
LOG_E(RRC, "Error: number of neighbouring cells carriers is exceeded \n");
return;
}
RC.rrc[mod_id]->num_neigh_cells++;
RC.rrc[mod_id]->num_neigh_cells_cc[RC.rrc[mod_id]->num_neigh_cells-1] = m->num_cc;
for (int i=0; i<m->num_cc; i++) {
RC.rrc[mod_id]->neigh_cells_id[RC.rrc[mod_id]->num_neigh_cells-1][i] = m->Nid_cell[i];
RC.rrc[mod_id]->nr_neigh_freq_band[RC.rrc[mod_id]->num_neigh_cells-1][i] = m->servedNrCell_band[i];
}
}
void rrc_eNB_process_AdditionResponseInformation(const module_id_t enb_mod_idP, x2ap_ENDC_sgnb_addition_req_ACK_t *m) {
NR_CG_Config_t *CG_Config = NULL;
{
int i;
printf("%d: ", m->rrc_buffer_size);
for (i=0; i<m->rrc_buffer_size; i++) printf("%2.2x", (unsigned char)m->rrc_buffer[i]);
printf("\n");
}
asn_dec_rval_t dec_rval = uper_decode_complete( NULL,
&asn_DEF_NR_CG_Config,
(void **)&CG_Config,
(uint8_t *)m->rrc_buffer,
(int) m->rrc_buffer_size);//m->rrc_buffer_size);
if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) {
AssertFatal(1==0,"NR_UL_DCCH_MESSAGE decode error\n");
// free the memory
SEQUENCE_free( &asn_DEF_NR_CG_Config, CG_Config, 1 );
return;
}
xer_fprint(stdout,&asn_DEF_NR_CG_Config, CG_Config);
// recreate enough of X2 EN-DC Container
AssertFatal(CG_Config->criticalExtensions.choice.c1->present == NR_CG_Config__criticalExtensions__c1_PR_cg_Config,
"CG_Config not present\n");
OCTET_STRING_t *scg_CellGroupConfig = NULL;
OCTET_STRING_t *nr1_conf = NULL;
if(CG_Config->criticalExtensions.choice.c1->choice.cg_Config->scg_CellGroupConfig) {
scg_CellGroupConfig = CG_Config->criticalExtensions.choice.c1->choice.cg_Config->scg_CellGroupConfig;
#ifdef DEBUG_SCG_CONFIG
{
int size_s = CG_Config->criticalExtensions.choice.c1->choice.cg_Config->scg_CellGroupConfig->size;
int i;
LOG_I(RRC, "Dumping scg_CellGroupConfig: %d", size_s);
for (i=0; i<size_s; i++) printf("%2.2x", (unsigned char)CG_Config->criticalExtensions.choice.c1->choice.cg_Config->scg_CellGroupConfig->buf[i]);
printf("\n");
}
#endif
} else {
LOG_W(RRC, "SCG Cell group configuration is not present in the Addition Response message \n");
return;
}
if(CG_Config->criticalExtensions.choice.c1->choice.cg_Config->scg_RB_Config) {
nr1_conf = CG_Config->criticalExtensions.choice.c1->choice.cg_Config->scg_RB_Config;
#ifdef DEBUG_SCG_CONFIG
{
int size_s = CG_Config->criticalExtensions.choice.c1->choice.cg_Config->scg_RB_Config->size;
int i;
LOG_I(RRC, "Dumping scg_RB_Config: %d", size_s);
for (i=0; i<size_s; i++) printf("%2.2x", (unsigned char)CG_Config->criticalExtensions.choice.c1->choice.cg_Config->scg_RB_Config->buf[i]);
printf("\n");
}
#endif
} else {
LOG_W(RRC, "SCG RB configuration is not present in the Addition Response message \n");
return;
}
protocol_ctxt_t ctxt;
rrc_eNB_ue_context_t *ue_context;
unsigned char buffer[8192];
int size;
ue_context = rrc_eNB_get_ue_context(RC.rrc[enb_mod_idP], m->rnti);
if (ue_context) {
ue_context->ue_context.nb_of_modify_endc_e_rabs = m->nb_e_rabs_admitted_tobeadded;
ue_context->ue_context.gnb_rnti = m->SgNB_ue_x2_id;
ue_context->ue_context.gnb_x2_assoc_id = m->gnb_x2_assoc_id;
int j=0;
while(j < m->nb_e_rabs_admitted_tobeadded) {
for (int e_rab_idx=0; e_rab_idx<ue_context->ue_context.setup_e_rabs; e_rab_idx++) {
//Update ue_context information with gNB's address and new GTP tunnel ID
if( ue_context->ue_context.e_rab[e_rab_idx].param.e_rab_id == m->e_rabs_admitted_tobeadded[j].e_rab_id) {
memcpy(ue_context->ue_context.gnb_gtp_endc_addrs[e_rab_idx].buffer,
m->e_rabs_admitted_tobeadded[j].gnb_addr.buffer,
m->e_rabs_admitted_tobeadded[j].gnb_addr.length);
ue_context->ue_context.gnb_gtp_endc_addrs[e_rab_idx].length = m->e_rabs_admitted_tobeadded[j].gnb_addr.length;
ue_context->ue_context.gnb_gtp_endc_teid[e_rab_idx] = m->e_rabs_admitted_tobeadded[j].gtp_teid;
ue_context->ue_context.e_rab[e_rab_idx].status = E_RAB_STATUS_TOMODIFY;
break;
}
}
j++;
}
PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt,
0,
ENB_FLAG_YES,
m->rnti,
0, 0);
size = rrc_eNB_generate_RRCConnectionReconfiguration_endc(&ctxt, ue_context, buffer, 8192, scg_CellGroupConfig, nr1_conf);
rrc_data_req(&ctxt,
DCCH,
rrc_eNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
} else {
LOG_E(F1AP, "no ue_context for RNTI %x, acknowledging release\n", m->rnti);
}
}
void rrc_eNB_process_ENDC_DC_prep_timeout(module_id_t module_id, x2ap_ENDC_dc_prep_timeout_t *m)
{
rrc_eNB_ue_context_t *ue_context;
ue_context = rrc_eNB_get_ue_context(RC.rrc[module_id], m->rnti);
if (ue_context == NULL) {
LOG_E(RRC, "receiving DC prep timeout for unknown UE rnti %d\n", m->rnti);
return;
}
if (ue_context->ue_context.Status != RRC_NR_NSA) {
LOG_E(RRC, "receiving DC prep timeout for UE rnti %d not in state RRC_NR_NSA\n", m->rnti);
return;
}
LOG_I(RRC, "DC prep timeout for UE rnti %d, put back to RRC_RECONFIGURED mode\n", m->rnti);
ue_context->ue_context.Status = RRC_RECONFIGURED;
}
void rrc_eNB_process_ENDC_sgNB_release_required(module_id_t module_id, x2ap_ENDC_sgnb_release_required_t *m)
{
rrc_eNB_ue_context_t *ue_context;
protocol_ctxt_t ctxt;
ue_context = rrc_eNB_find_ue_context_from_gnb_rnti(RC.rrc[module_id], m->gnb_rnti);
if (ue_context == NULL) {
LOG_E(RRC, "receiving ENDC SgNB Release Required for unknown UE (with gNB's rnti %d)\n", m->gnb_rnti);
return;
}
/* TODO: what to do? release the UE? if yes, how? Or re-establish bearers in LTE?
* Or something else?
* The following removes the UE, maybe it's not correct at all.
*/
ue_context->ue_context.ue_release_timer_thres_rrc = 100;
ue_context->ue_context.ue_release_timer_rrc = 1;
ue_context->ue_context.Status = RRC_NR_NSA_DELETED;
PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt,
module_id, /* TODO: should be 'instance' */
ENB_FLAG_YES,
ue_context->ue_context.rnti,
0, 0);
rrc_eNB_generate_RRCConnectionRelease(&ctxt, ue_context);
}
//-----------------------------------------------------------------------------
void *rrc_enb_process_itti_msg(void *notUsed) {
MessageDef *msg_p;
const char *msg_name_p;
instance_t instance;
int result;
protocol_ctxt_t ctxt;
memset(&ctxt, 0, sizeof(ctxt));
// Wait for a message
itti_receive_msg(TASK_RRC_ENB, &msg_p);
msg_name_p = ITTI_MSG_NAME(msg_p);
instance = ITTI_MSG_DESTINATION_INSTANCE(msg_p);
/* RRC_SUBFRAME_PROCESS is sent every subframe, do not log it */
if (ITTI_MSG_ID(msg_p) != RRC_SUBFRAME_PROCESS)
LOG_D(RRC,"Received message %s\n",msg_name_p);
switch (ITTI_MSG_ID(msg_p)) {
case TERMINATE_MESSAGE:
LOG_W(RRC, " *** Exiting RRC thread\n");
itti_exit_task();
break;
case MESSAGE_TEST:
LOG_I(RRC, "[eNB %ld] Received %s\n", instance, msg_name_p);
break;
/* Messages from MAC */
case RRC_MAC_CCCH_DATA_IND:
PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt,
RRC_MAC_CCCH_DATA_IND(msg_p).enb_index,
ENB_FLAG_YES,
RRC_MAC_CCCH_DATA_IND(msg_p).rnti,
msg_p->ittiMsgHeader.lte_time.frame,
msg_p->ittiMsgHeader.lte_time.slot);
LOG_I(RRC,"Decoding CCCH : inst %ld, CC_id %d, ctxt %p, sib_info_p->Rx_buffer.payload_size %d\n",
instance,
RRC_MAC_CCCH_DATA_IND(msg_p).CC_id,
&ctxt,
RRC_MAC_CCCH_DATA_IND(msg_p).sdu_size);
if (RRC_MAC_CCCH_DATA_IND(msg_p).sdu_size >= CCCH_SDU_SIZE) {
LOG_I(RRC, "CCCH message has size %d > %d\n",
RRC_MAC_CCCH_DATA_IND(msg_p).sdu_size,CCCH_SDU_SIZE);
break;
}
rrc_eNB_decode_ccch(&ctxt,
(uint8_t *)RRC_MAC_CCCH_DATA_IND(msg_p).sdu,
RRC_MAC_CCCH_DATA_IND(msg_p).sdu_size,
RRC_MAC_CCCH_DATA_IND(msg_p).CC_id);
break;
/* Messages from PDCP */
case RRC_DCCH_DATA_IND:
PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt,
instance,
ENB_FLAG_YES,
RRC_DCCH_DATA_IND(msg_p).rnti,
msg_p->ittiMsgHeader.lte_time.frame,
msg_p->ittiMsgHeader.lte_time.slot);
LOG_D(RRC, PROTOCOL_RRC_CTXT_UE_FMT" Received on DCCH %d %s\n",
PROTOCOL_RRC_CTXT_UE_ARGS(&ctxt),
RRC_DCCH_DATA_IND(msg_p).dcch_index,
msg_name_p);
rrc_eNB_decode_dcch(&ctxt,
RRC_DCCH_DATA_IND(msg_p).dcch_index,
RRC_DCCH_DATA_IND(msg_p).sdu_p,
RRC_DCCH_DATA_IND(msg_p).sdu_size);
// Message buffer has been processed, free it now.
result = itti_free(ITTI_MSG_ORIGIN_ID(msg_p), RRC_DCCH_DATA_IND(msg_p).sdu_p);
if (result != EXIT_SUCCESS) {
LOG_I(RRC, "Failed to free memory (%d)!\n",result);
break;
}
break;
/* Messages from S1AP */
case S1AP_DOWNLINK_NAS:
rrc_eNB_process_S1AP_DOWNLINK_NAS(msg_p, msg_name_p, instance, &rrc_eNB_mui);
break;
case S1AP_INITIAL_CONTEXT_SETUP_REQ:
rrc_eNB_process_S1AP_INITIAL_CONTEXT_SETUP_REQ(msg_p, msg_name_p, instance);
break;
case S1AP_UE_CTXT_MODIFICATION_REQ:
rrc_eNB_process_S1AP_UE_CTXT_MODIFICATION_REQ(msg_p, msg_name_p, instance);
break;
case S1AP_PAGING_IND:
LOG_D(RRC, "[eNB %ld] Received Paging message from S1AP: %s\n", instance, msg_name_p);
rrc_eNB_process_PAGING_IND(msg_p, msg_name_p, instance);
break;
case S1AP_E_RAB_SETUP_REQ:
rrc_eNB_process_S1AP_E_RAB_SETUP_REQ(msg_p, msg_name_p, instance);
LOG_D(RRC, "[eNB %ld] Received the message %s\n", instance, msg_name_p);
break;
case S1AP_E_RAB_MODIFY_REQ:
rrc_eNB_process_S1AP_E_RAB_MODIFY_REQ(msg_p, msg_name_p, instance);
break;
case S1AP_E_RAB_RELEASE_COMMAND:
rrc_eNB_process_S1AP_E_RAB_RELEASE_COMMAND(msg_p, msg_name_p, instance);
break;
case S1AP_UE_CONTEXT_RELEASE_REQ:
rrc_eNB_process_S1AP_UE_CONTEXT_RELEASE_REQ(msg_p, msg_name_p, instance);
break;
case S1AP_UE_CONTEXT_RELEASE_COMMAND:
rrc_eNB_process_S1AP_UE_CONTEXT_RELEASE_COMMAND(msg_p, msg_name_p, instance);
break;
case GTPV1U_ENB_DELETE_TUNNEL_RESP: {
rrc_eNB_ue_context_t *ue = rrc_eNB_get_ue_context(RC.rrc[instance], GTPV1U_ENB_DELETE_TUNNEL_RESP(msg_p).rnti);
if (ue != NULL
&& ue->ue_context.ue_release_timer_rrc > 0
&& (ue->ue_context.handover_info == NULL ||
(ue->ue_context.handover_info->state != HO_RELEASE &&
ue->ue_context.handover_info->state != HO_CANCEL))) {
ue->ue_context.ue_release_timer_rrc = ue->ue_context.ue_release_timer_thres_rrc;
}
break;
}
case S1AP_PATH_SWITCH_REQ_ACK:
LOG_I(RRC, "[eNB %ld] received path switch ack %s\n", instance, msg_name_p);
rrc_eNB_process_S1AP_PATH_SWITCH_REQ_ACK(msg_p, msg_name_p, instance);
break;
case X2AP_SETUP_REQ:
rrc_eNB_process_x2_setup_request(instance, &X2AP_SETUP_REQ(msg_p));
break;
case X2AP_SETUP_RESP:
rrc_eNB_process_x2_setup_response(instance, &X2AP_SETUP_RESP(msg_p));
break;
case X2AP_HANDOVER_REQ:
LOG_I(RRC, "[eNB %ld] target eNB Receives X2 HO Req %s\n", instance, msg_name_p);
rrc_eNB_process_handoverPreparationInformation(instance, &X2AP_HANDOVER_REQ(msg_p));
break;
case X2AP_HANDOVER_REQ_ACK: {
struct rrc_eNB_ue_context_s *ue_context_p = NULL;
x2ap_handover_req_ack_t *x2ap_handover_req_ack = NULL;
hashtable_rc_t hash_rc = HASH_TABLE_KEY_NOT_EXISTS;
gtpv1u_ue_data_t *gtpv1u_ue_data_p = NULL;
ue_context_p = rrc_eNB_get_ue_context(RC.rrc[instance], X2AP_HANDOVER_REQ_ACK(msg_p).rnti);
if (ue_context_p == NULL) {
/* is it possible? */
LOG_E(RRC, "could not find UE (rnti %x) while processing X2AP_HANDOVER_REQ_ACK\n",
X2AP_HANDOVER_REQ_ACK(msg_p).rnti);
exit(1);
}
LOG_I(RRC, "[eNB %ld] source eNB receives the X2 HO ACK %s\n", instance, msg_name_p);
DevAssert(ue_context_p != NULL);
if (ue_context_p->ue_context.handover_info->state != HO_REQUEST) abort();
hash_rc = hashtable_get(RC.gtpv1u_data_g->ue_mapping, ue_context_p->ue_context.rnti, (void **)&gtpv1u_ue_data_p);
/* set target enb gtp teid */
if (hash_rc == HASH_TABLE_KEY_NOT_EXISTS) {
LOG_E(RRC, "X2AP_HANDOVER_REQ_ACK func(), hashtable_get failed: while getting ue rnti %x in hashtable ue_mapping\n", ue_context_p->ue_context.rnti);
} else {
uint8_t nb_e_rabs_tobesetup = 0;
ebi_t eps_bearer_id = 0;
int ip_offset = 0;
in_addr_t in_addr;
x2ap_handover_req_ack = &X2AP_HANDOVER_REQ_ACK(msg_p);
nb_e_rabs_tobesetup = x2ap_handover_req_ack->nb_e_rabs_tobesetup;
ue_context_p->ue_context.nb_x2u_e_rabs = nb_e_rabs_tobesetup;
for(int i=0; i< nb_e_rabs_tobesetup; i++) {
ip_offset = 0;
eps_bearer_id = x2ap_handover_req_ack->e_rabs_tobesetup[i].e_rab_id;
ue_context_p->ue_context.enb_gtp_x2u_ebi[i] = eps_bearer_id;
ue_context_p->ue_context.enb_gtp_x2u_teid[i] = x2ap_handover_req_ack->e_rabs_tobesetup[i].gtp_teid;
gtpv1u_ue_data_p->bearers[eps_bearer_id - GTPV1U_BEARER_OFFSET].teid_teNB = x2ap_handover_req_ack->e_rabs_tobesetup[i].gtp_teid;
if ((x2ap_handover_req_ack->e_rabs_tobesetup[i].eNB_addr.length == 4) ||
(x2ap_handover_req_ack->e_rabs_tobesetup[i].eNB_addr.length == 20)) {
in_addr = *((in_addr_t *)x2ap_handover_req_ack->e_rabs_tobesetup[i].eNB_addr.buffer);
ip_offset = 4;
gtpv1u_ue_data_p->bearers[eps_bearer_id - GTPV1U_BEARER_OFFSET].tenb_ip_addr = in_addr;
ue_context_p->ue_context.enb_gtp_x2u_addrs[i] = x2ap_handover_req_ack->e_rabs_tobesetup[i].eNB_addr;
}
if ((x2ap_handover_req_ack->e_rabs_tobesetup[i].eNB_addr.length == 16) ||
(x2ap_handover_req_ack->e_rabs_tobesetup[i].eNB_addr.length == 20)) {
memcpy(gtpv1u_ue_data_p->bearers[eps_bearer_id - GTPV1U_BEARER_OFFSET].tenb_ip6_addr.s6_addr,
&x2ap_handover_req_ack->e_rabs_tobesetup[i].eNB_addr.buffer[ip_offset],
16);
}
}
}
rrc_eNB_process_handoverCommand(instance, ue_context_p, &X2AP_HANDOVER_REQ_ACK(msg_p));
ue_context_p->ue_context.handover_info->state = HO_PREPARE;
break;
}
case X2AP_UE_CONTEXT_RELEASE: {
struct rrc_eNB_ue_context_s *ue_context_p = NULL;
ue_context_p = rrc_eNB_get_ue_context(RC.rrc[instance], X2AP_UE_CONTEXT_RELEASE(msg_p).rnti);
LOG_I(RRC, "[eNB %ld] source eNB receives the X2 UE CONTEXT RELEASE %s\n", instance, msg_name_p);
DevAssert(ue_context_p != NULL);
if (ue_context_p->ue_context.handover_info->state != HO_COMPLETE) abort();
ue_context_p->ue_context.handover_info->state = HO_RELEASE;
break;
}
case X2AP_HANDOVER_CANCEL: {
struct rrc_eNB_ue_context_s *ue_context_p = NULL;
char *cause;
switch (X2AP_HANDOVER_CANCEL(msg_p).cause) {
case X2AP_T_RELOC_PREP_TIMEOUT:
cause = "T_RelocPrep timeout";
break;
case X2AP_TX2_RELOC_OVERALL_TIMEOUT:
cause = "Tx2_RelocOverall timeout";
break;
default:
/* cannot come here */
exit(1);
}
ue_context_p = rrc_eNB_get_ue_context(RC.rrc[instance], X2AP_HANDOVER_CANCEL(msg_p).rnti);
if (ue_context_p != NULL &&
ue_context_p->ue_context.handover_info != NULL) {
LOG_I(RRC, "[eNB %ld] eNB receives X2 HANDOVER CANCEL for rnti %x, cause %s [%s]\n",
instance,
X2AP_HANDOVER_CANCEL(msg_p).rnti,
cause,
msg_name_p);
if (X2AP_HANDOVER_CANCEL(msg_p).cause == X2AP_T_RELOC_PREP_TIMEOUT) {
/* for prep timeout, simply return to normal state */
/* TODO: be sure that it's correct to set Status to RRC_RECONFIGURED */
ue_context_p->ue_context.Status = RRC_RECONFIGURED;
/* TODO: be sure free is enough here (check memory leaks) */
free(ue_context_p->ue_context.handover_info);
ue_context_p->ue_context.handover_info = NULL;
} else {
/* for overall timeout, remove UE entirely */
ue_context_p->ue_context.handover_info->state = HO_CANCEL;
}
} else {
char *failure_cause;
if (ue_context_p == NULL)
failure_cause = "no UE found";
else
failure_cause = "UE not in handover";
LOG_W(RRC, "[eNB %ld] cannot process (%s) X2 HANDOVER CANCEL for rnti %x, cause %s, ignoring\n",
instance, failure_cause, X2AP_HANDOVER_CANCEL(msg_p).rnti, cause);
}
break;
}
case X2AP_ENDC_SETUP_REQ:
rrc_eNB_process_ENDC_x2_setup_request(instance, &X2AP_ENDC_SETUP_REQ(msg_p));
break;
case X2AP_ENDC_SGNB_ADDITION_REQ_ACK: {
rrc_eNB_process_AdditionResponseInformation(ENB_INSTANCE_TO_MODULE_ID(instance), &X2AP_ENDC_SGNB_ADDITION_REQ_ACK(msg_p));
break;
}
case X2AP_ENDC_DC_PREP_TIMEOUT: {
rrc_eNB_process_ENDC_DC_prep_timeout(ENB_INSTANCE_TO_MODULE_ID(instance), &X2AP_ENDC_DC_PREP_TIMEOUT(msg_p));
break;
}
case X2AP_ENDC_SGNB_RELEASE_REQUIRED: {
rrc_eNB_process_ENDC_sgNB_release_required(ENB_INSTANCE_TO_MODULE_ID(instance), &X2AP_ENDC_SGNB_RELEASE_REQUIRED(msg_p));
break;
}
/* Messages from eNB app */
case RRC_CONFIGURATION_REQ:
LOG_I(RRC, "[eNB %ld] Received %s : %p\n", instance, msg_name_p, &RRC_CONFIGURATION_REQ(msg_p));
openair_rrc_eNB_configuration(ENB_INSTANCE_TO_MODULE_ID(instance), &RRC_CONFIGURATION_REQ(msg_p));
break;
/* Messages from F1AP task */
case F1AP_SETUP_REQ:
AssertFatal(NODE_IS_CU(RC.rrc[instance]->node_type),
"should not receive F1AP_SETUP_REQUEST, need call by CU!\n");
LOG_I(RRC,"[eNB %ld] Received %s : %p\n", instance, msg_name_p, &F1AP_SETUP_REQ(msg_p));
handle_f1_setup_req(&F1AP_SETUP_REQ(msg_p));
break;
case RRC_SUBFRAME_PROCESS:
rrc_subframe_process(&RRC_SUBFRAME_PROCESS(msg_p).ctxt, RRC_SUBFRAME_PROCESS(msg_p).CC_id);
break;
case M2AP_SETUP_RESP:
rrc_eNB_process_M2AP_SETUP_RESP(&ctxt,0/*CC_id*/,ENB_INSTANCE_TO_MODULE_ID(instance),&M2AP_SETUP_RESP(msg_p));
break;
case M2AP_MBMS_SCHEDULING_INFORMATION:
rrc_eNB_process_M2AP_MBMS_SCHEDULING_INFORMATION(&ctxt,0/*CC_id*/,ENB_INSTANCE_TO_MODULE_ID(instance),&M2AP_MBMS_SCHEDULING_INFORMATION(msg_p));
break;
case M2AP_MBMS_SESSION_START_REQ:
rrc_eNB_process_M2AP_MBMS_SESSION_START_REQ(&ctxt,0/*CC_id*/,ENB_INSTANCE_TO_MODULE_ID(instance),&M2AP_MBMS_SESSION_START_REQ(msg_p));
break;
case M2AP_MBMS_SESSION_STOP_REQ:
rrc_eNB_process_M2AP_MBMS_SESSION_STOP_REQ(&ctxt,&M2AP_MBMS_SESSION_STOP_REQ(msg_p));
break;
case M2AP_RESET:
rrc_eNB_process_M2AP_RESET(&ctxt,&M2AP_RESET(msg_p));
break;
case M2AP_ENB_CONFIGURATION_UPDATE_ACK:
rrc_eNB_process_M2AP_ENB_CONFIGURATION_UPDATE_ACK(&ctxt,&M2AP_ENB_CONFIGURATION_UPDATE_ACK(msg_p));
break;
case M2AP_ERROR_INDICATION:
rrc_eNB_process_M2AP_ERROR_INDICATION(&ctxt,&M2AP_ERROR_INDICATION(msg_p));
break;
case M2AP_MBMS_SERVICE_COUNTING_REQ:
rrc_eNB_process_M2AP_MBMS_SERVICE_COUNTING_REQ(&ctxt,&M2AP_MBMS_SERVICE_COUNTING_REQ(msg_p));
break;
case M2AP_MCE_CONFIGURATION_UPDATE:
rrc_eNB_process_M2AP_MCE_CONFIGURATION_UPDATE(&ctxt,&M2AP_MCE_CONFIGURATION_UPDATE(msg_p));
break;
case RLC_SDU_INDICATION:
process_rlc_sdu_indication(instance,
RLC_SDU_INDICATION(msg_p).rnti,
RLC_SDU_INDICATION(msg_p).is_successful,
RLC_SDU_INDICATION(msg_p).srb_id,
RLC_SDU_INDICATION(msg_p).message_id);
break;
default:
LOG_E(RRC, "[eNB %ld] Received unexpected message %s\n", instance, msg_name_p);
break;
}
result = itti_free(ITTI_MSG_ORIGIN_ID(msg_p), msg_p);
if (result != EXIT_SUCCESS) {
LOG_I(RRC, "Failed to free memory (%d)!\n",result);
}
msg_p = NULL;
return NULL;
}
//-----------------------------------------------------------------------------
void *
rrc_enb_task(
void *args_p
)
//-----------------------------------------------------------------------------
{
rrc_enb_init();
itti_mark_task_ready(TASK_RRC_ENB);
LOG_I(RRC,"Entering main loop of RRC message task\n");
while (1) {
(void) rrc_enb_process_itti_msg(NULL);
{
//extern volatile int go_nr;
void rrc_go_nr(void);
//if (go_nr) rrc_go_nr();
}
}
}
/*------------------------------------------------------------------------------*/
void
openair_rrc_top_init_eNB(int eMBMS_active,uint8_t HO_active)
//-----------------------------------------------------------------------------
{
module_id_t module_id;
int CC_id;
/* for no gcc warnings */
(void)CC_id;
LOG_D(RRC, "[OPENAIR][INIT] Init function start: NB_eNB_INST=%d\n", RC.nb_inst);
if (RC.nb_inst > 0) {
LOG_I(RRC,"[eNB] handover active state is %d \n", HO_active);
for (module_id=0; module_id<NB_eNB_INST; module_id++) {
RC.rrc[module_id]->HO_flag = (uint8_t)HO_active;
}
LOG_I(RRC,"[eNB] eMBMS active state is %d \n", eMBMS_active);
for (module_id=0; module_id<NB_eNB_INST; module_id++) {
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
RC.rrc[module_id]->carrier[CC_id].MBMS_flag = (uint8_t)eMBMS_active;
}
}
}
}
//-----------------------------------------------------------------------------
void
rrc_top_cleanup_eNB(
void
)
//-----------------------------------------------------------------------------
{
for (int i=0; i<RC.nb_inst; i++) free (RC.rrc[i]);
free(RC.rrc);
}
//-----------------------------------------------------------------------------
//TTN - for D2D
uint8_t
rrc_eNB_process_SidelinkUEInformation(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *ue_context_pP,
LTE_SidelinkUEInformation_r12_t *sidelinkUEInformation
)
//-----------------------------------------------------------------------------
{
LTE_SL_DestinationInfoList_r12_t *destinationInfoList;
int n_destinations = 0;
int n_discoveryMessages = 0;
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" [RAPROC] Logical Channel UL-DCCH, " "processing SidelinkUEInformation from UE (SRB1 Active)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
//For SL Communication
if (sidelinkUEInformation->criticalExtensions.present == LTE_SidelinkUEInformation_r12__criticalExtensions_PR_c1) {
if (sidelinkUEInformation->criticalExtensions.choice.c1.present == LTE_SidelinkUEInformation_r12__criticalExtensions__c1_PR_sidelinkUEInformation_r12) {
// express its interest to receive SL communication
if (sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.commRxInterestedFreq_r12 != NULL) {
}
// express its interest to transmit non-relay one-to-many SL communication
if ((sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.commTxResourceReq_r12 != NULL) &&
(sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.commTxResourceReq_r12->carrierFreq_r12 != NULL)) {
n_destinations = sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.commTxResourceReq_r12->destinationInfoList_r12.list.count;
destinationInfoList = CALLOC(1, sizeof(LTE_SL_DestinationInfoList_r12_t));
for (int i=0; i< n_destinations; i++ ) {
//sl_DestinationIdentityList[i] = *(sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.commTxResourceReq_r12->destinationInfoList_r12.list.array[i]);
ASN_SEQUENCE_ADD(&destinationInfoList->list, sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.commTxResourceReq_r12->destinationInfoList_r12.list.array[i]);
}
//generate RRC Reconfiguration
rrc_eNB_generate_RRCConnectionReconfiguration_Sidelink(ctxt_pP, ue_context_pP, destinationInfoList, 0);
free(destinationInfoList);
destinationInfoList = NULL;
return 0;
}
// express its interest to transmit non-relay one-to-one SL communication
if ((sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension != NULL) &&
(sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceReqUC_r13 != NULL)) {
if (sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceReqUC_r13->carrierFreq_r12 != NULL) {
n_destinations = sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceReqUC_r13->destinationInfoList_r12.list.count;
destinationInfoList = CALLOC(1, sizeof(LTE_SL_DestinationInfoList_r12_t));
for (int i=0; i< n_destinations; i++ ) {
//sl_DestinationIdentityList[i] = *(sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceReqUC_r13->destinationInfoList_r12.list.array[i]);
ASN_SEQUENCE_ADD(&destinationInfoList->list,
sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceReqUC_r13->destinationInfoList_r12.list.array[i]);
}
//generate RRC Reconfiguration
rrc_eNB_generate_RRCConnectionReconfiguration_Sidelink(ctxt_pP, ue_context_pP, destinationInfoList, 0);
free(destinationInfoList);
destinationInfoList = NULL;
return 0;
}
}
// express its interest to transmit relay related one-to-one SL communication
if ((sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension != NULL) &&
(sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceInfoReqRelay_r13->commTxResourceReqRelayUC_r13 != NULL)) {
if (sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceInfoReqRelay_r13->commTxResourceReqRelayUC_r13->destinationInfoList_r12.list.count
> 0) {
n_destinations =
sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceInfoReqRelay_r13->commTxResourceReqRelayUC_r13->destinationInfoList_r12.list.count;
destinationInfoList = CALLOC(1, sizeof(LTE_SL_DestinationInfoList_r12_t));
for (int i=0; i< n_destinations; i++ ) {
//sl_DestinationIdentityList[i] = *(sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceInfoReqRelay_r13->commTxResourceReqRelayUC_r13->destinationInfoList_r12.list.array[i]);
ASN_SEQUENCE_ADD(&destinationInfoList->list,
sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceInfoReqRelay_r13->commTxResourceReqRelayUC_r13->destinationInfoList_r12.list.array[i]);
}
//generate RRC Reconfiguration
rrc_eNB_generate_RRCConnectionReconfiguration_Sidelink(ctxt_pP, ue_context_pP, destinationInfoList, 0);
free(destinationInfoList);
destinationInfoList = NULL;
return 0;
}
}
//express its interest to transmit relay related one-to-many SL communication
if ((sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension != NULL) &&
(sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceInfoReqRelay_r13 != NULL)) {
if (sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceInfoReqRelay_r13->commTxResourceReqRelay_r13->destinationInfoList_r12.list.count
> 0) {
n_destinations =
sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceInfoReqRelay_r13->commTxResourceReqRelay_r13->destinationInfoList_r12.list.count;
destinationInfoList = CALLOC(1, sizeof(LTE_SL_DestinationInfoList_r12_t));
for (int i=0; i< n_destinations; i++ ) {
//sl_DestinationIdentityList[i] = *(sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceInfoReqRelay_r13->commTxResourceReqRelay_r13->destinationInfoList_r12.list.array[i]);
ASN_SEQUENCE_ADD(&destinationInfoList->list,
sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->commTxResourceInfoReqRelay_r13->commTxResourceReqRelay_r13->destinationInfoList_r12.list.array[i]);
}
//generate RRC Reconfiguration
rrc_eNB_generate_RRCConnectionReconfiguration_Sidelink(ctxt_pP, ue_context_pP, destinationInfoList, 0);
free(destinationInfoList);
destinationInfoList = NULL;
return 0;
}
}
//For SL Discovery
//express its interest to receive SL discovery announcements
//express its interest to transmit non-PS related discovery announcements
if (sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.discTxResourceReq_r12 != NULL) {
n_discoveryMessages = *(sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.discTxResourceReq_r12);
//generate RRC Reconfiguration
rrc_eNB_generate_RRCConnectionReconfiguration_Sidelink(ctxt_pP, ue_context_pP, NULL, n_discoveryMessages);
return 0;
}
//express its interest to transmit PS related discovery announcements
if ((sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension != NULL) &&
(sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->discTxResourceReqPS_r13 !=NULL)) {
if (sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->discTxResourceReqPS_r13->discTxResourceReq_r13 > 0) {
n_discoveryMessages = sidelinkUEInformation->criticalExtensions.choice.c1.choice.sidelinkUEInformation_r12.nonCriticalExtension->discTxResourceReqPS_r13->discTxResourceReq_r13;
//generate RRC Reconfiguration
rrc_eNB_generate_RRCConnectionReconfiguration_Sidelink(ctxt_pP, ue_context_pP, NULL, n_discoveryMessages);
return 0;
}
}
}
}
return 0;
}
//-----------------------------------------------------------------------------
int
rrc_eNB_generate_RRCConnectionReconfiguration_Sidelink(
const protocol_ctxt_t *const ctxt_pP,
rrc_eNB_ue_context_t *const ue_context_pP,
LTE_SL_DestinationInfoList_r12_t *destinationInfoList,
int n_discoveryMessages
)
//-----------------------------------------------------------------------------
{
uint8_t buffer[RRC_BUF_SIZE];
uint16_t size = 0;
memset(buffer, 0, RRC_BUF_SIZE);
// allocate dedicated pools for UE -sl-CommConfig/sl-DiscConfig (sl-V2X-ConfigDedicated)
//populate dedicated resources for SL communication (sl-CommConfig)
if ((destinationInfoList != NULL) && (destinationInfoList->list.count > 0)) {
LOG_I(RRC,"[eNB %d] Frame %d, Generate LTE_RRCConnectionReconfiguration_Sidelink (bytes %d, UE id %x), number of destinations %d\n",
ctxt_pP->module_id,ctxt_pP->frame, size, ue_context_pP->ue_context.rnti,destinationInfoList->list.count );
//get dedicated resources from available pool and assign to the UE
LTE_SL_CommConfig_r12_t sl_CommConfig[destinationInfoList->list.count];
//get a RP from the available RPs
sl_CommConfig[0] = rrc_eNB_get_sidelink_commTXPool(ctxt_pP, ue_context_pP, destinationInfoList);
size = do_RRCConnectionReconfiguration(ctxt_pP,
buffer,
rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id), //Transaction_id
(LTE_SRB_ToAddModList_t *)NULL,
(LTE_DRB_ToAddModList_t *)NULL,
(LTE_DRB_ToReleaseList_t *)NULL, // DRB2_list,
(struct LTE_SPS_Config *)NULL, // *sps_Config,
NULL, NULL, NULL, NULL,NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL,
(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *)NULL,
(LTE_SL_CommConfig_r12_t *)&sl_CommConfig,
(LTE_SL_DiscConfig_r12_t *)NULL,
(LTE_SCellToAddMod_r10_t *)NULL
);
//
}
//populate dedicated resources for SL discovery (sl-DiscConfig)
if (n_discoveryMessages > 0) {
LTE_SL_DiscConfig_r12_t sl_DiscConfig[n_discoveryMessages];
//get a RP from the available RPs
sl_DiscConfig[0] = rrc_eNB_get_sidelink_discTXPool(ctxt_pP, ue_context_pP, n_discoveryMessages );
size = do_RRCConnectionReconfiguration(ctxt_pP,
buffer,
rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id), //Transaction_id
(LTE_SRB_ToAddModList_t *)NULL,
(LTE_DRB_ToAddModList_t *)NULL,
(LTE_DRB_ToReleaseList_t *)NULL, // DRB2_list,
(struct LTE_SPS_Config *)NULL, // *sps_Config,
NULL, NULL, NULL, NULL,NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL,
(struct LTE_RRCConnectionReconfiguration_r8_IEs__dedicatedInfoNASList *)NULL,
(LTE_SL_CommConfig_r12_t *)NULL,
(LTE_SL_DiscConfig_r12_t *)&sl_DiscConfig,
(LTE_SCellToAddMod_r10_t *)NULL
);
}
LOG_I(RRC,"[eNB %d] Frame %d, Logical Channel DL-DCCH, Generate LTE_RRCConnectionReconfiguration_Sidelink (bytes %d, UE id %x)\n",
ctxt_pP->module_id,ctxt_pP->frame, size, ue_context_pP->ue_context.rnti);
rrc_data_req(
ctxt_pP,
DCCH,
rrc_eNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
// rrc_data_req();
return size;
}
LTE_SL_CommConfig_r12_t rrc_eNB_get_sidelink_commTXPool( const protocol_ctxt_t *const ctxt_pP, rrc_eNB_ue_context_t *const ue_context_pP, LTE_SL_DestinationInfoList_r12_t *destinationInfoList ) {
// for the moment, use scheduled resource allocation
LTE_SL_CommConfig_r12_t sl_CommConfig_r12;
LTE_SL_CommConfig_r12_t *sl_CommConfig = &sl_CommConfig_r12;
LTE_SL_CommResourcePool_r12_t *sc_CommTxConfig;
memset(sl_CommConfig,0,sizeof(LTE_SL_CommConfig_r12_t));
sl_CommConfig->commTxResources_r12 = CALLOC(1, sizeof(*sl_CommConfig->commTxResources_r12));
sl_CommConfig->commTxResources_r12->present = LTE_SL_CommConfig_r12__commTxResources_r12_PR_setup;
sl_CommConfig->commTxResources_r12->choice.setup.present = LTE_SL_CommConfig_r12__commTxResources_r12__setup_PR_scheduled_r12;
sl_CommConfig->commTxResources_r12->choice.setup.choice.scheduled_r12.sl_RNTI_r12.size = 2;
sl_CommConfig->commTxResources_r12->choice.setup.choice.scheduled_r12.sl_RNTI_r12.buf = CALLOC(1,2);
sl_CommConfig->commTxResources_r12->choice.setup.choice.scheduled_r12.sl_RNTI_r12.buf[0] = 0x00;
sl_CommConfig->commTxResources_r12->choice.setup.choice.scheduled_r12.sl_RNTI_r12.buf[1] = 0x01;//ctxt_pP->rnti;//rnti
sl_CommConfig->commTxResources_r12->choice.setup.choice.scheduled_r12.sl_RNTI_r12.bits_unused = 0;
sl_CommConfig->commTxResources_r12->choice.setup.choice.scheduled_r12.mcs_r12 = CALLOC(1,sizeof(*sl_CommConfig->commTxResources_r12->choice.setup.choice.scheduled_r12.mcs_r12));
//*sl_CommConfig_test->commTxResources_r12->choice.setup.choice.scheduled_r12.mcs_r12 = 12; //Msc
sl_CommConfig->commTxResources_r12->choice.setup.choice.scheduled_r12.mac_MainConfig_r12.retx_BSR_TimerSL = LTE_RetxBSR_Timer_r12_sf320; //MacConfig, for testing only
//sl_CommConfig_test->commTxResources_r12->choice.setup.choice.scheduled_r12.sc_CommTxConfig_r12;
sc_CommTxConfig = & sl_CommConfig->commTxResources_r12->choice.setup.choice.scheduled_r12.sc_CommTxConfig_r12;
sc_CommTxConfig->sc_CP_Len_r12 = LTE_SL_CP_Len_r12_normal;
sc_CommTxConfig->sc_Period_r12 = LTE_SL_PeriodComm_r12_sf40;
sc_CommTxConfig->data_CP_Len_r12 = LTE_SL_CP_Len_r12_normal;
//sc_TF_ResourceConfig_r12
sc_CommTxConfig->sc_TF_ResourceConfig_r12.prb_Num_r12 = 20;
sc_CommTxConfig->sc_TF_ResourceConfig_r12.prb_Start_r12 = 5;
sc_CommTxConfig->sc_TF_ResourceConfig_r12.prb_End_r12 = 44;
sc_CommTxConfig->sc_TF_ResourceConfig_r12.offsetIndicator_r12.present = LTE_SL_OffsetIndicator_r12_PR_small_r12;
sc_CommTxConfig->sc_TF_ResourceConfig_r12.offsetIndicator_r12.choice.small_r12 = 0;
sc_CommTxConfig->sc_TF_ResourceConfig_r12.subframeBitmap_r12.present = LTE_SubframeBitmapSL_r12_PR_bs40_r12;
sc_CommTxConfig->sc_TF_ResourceConfig_r12.subframeBitmap_r12.choice.bs40_r12.size = 5;
sc_CommTxConfig->sc_TF_ResourceConfig_r12.subframeBitmap_r12.choice.bs40_r12.buf = CALLOC(1,5);
sc_CommTxConfig->sc_TF_ResourceConfig_r12.subframeBitmap_r12.choice.bs40_r12.bits_unused = 0;
//dataHoppingConfig_r12
sc_CommTxConfig->dataHoppingConfig_r12.hoppingParameter_r12 = 0;
sc_CommTxConfig->dataHoppingConfig_r12.numSubbands_r12 = LTE_SL_HoppingConfigComm_r12__numSubbands_r12_ns1;
sc_CommTxConfig->dataHoppingConfig_r12.rb_Offset_r12 = 0;
//ue_SelectedResourceConfig_r12
sc_CommTxConfig->ue_SelectedResourceConfig_r12 = CALLOC (1, sizeof (*sc_CommTxConfig->ue_SelectedResourceConfig_r12));
sc_CommTxConfig->ue_SelectedResourceConfig_r12->data_TF_ResourceConfig_r12.prb_Num_r12 = 20;
sc_CommTxConfig->ue_SelectedResourceConfig_r12->data_TF_ResourceConfig_r12.prb_Start_r12 = 5;
sc_CommTxConfig->ue_SelectedResourceConfig_r12->data_TF_ResourceConfig_r12.prb_End_r12 = 44;
sc_CommTxConfig->ue_SelectedResourceConfig_r12->data_TF_ResourceConfig_r12.offsetIndicator_r12.present = LTE_SL_OffsetIndicator_r12_PR_small_r12;
sc_CommTxConfig->ue_SelectedResourceConfig_r12->data_TF_ResourceConfig_r12.offsetIndicator_r12.choice.small_r12 = 0 ;
sc_CommTxConfig->ue_SelectedResourceConfig_r12->data_TF_ResourceConfig_r12.subframeBitmap_r12.present = LTE_SubframeBitmapSL_r12_PR_bs40_r12;
sc_CommTxConfig->ue_SelectedResourceConfig_r12->data_TF_ResourceConfig_r12.subframeBitmap_r12.choice.bs4_r12.size = 5;
sc_CommTxConfig->ue_SelectedResourceConfig_r12->data_TF_ResourceConfig_r12.subframeBitmap_r12.choice.bs4_r12.buf = CALLOC(1,5);
sc_CommTxConfig->ue_SelectedResourceConfig_r12->data_TF_ResourceConfig_r12.subframeBitmap_r12.choice.bs4_r12.bits_unused = 0;
sc_CommTxConfig->ue_SelectedResourceConfig_r12->data_TF_ResourceConfig_r12.subframeBitmap_r12.choice.bs4_r12.buf[0] = 0xF0;
sc_CommTxConfig->ue_SelectedResourceConfig_r12->data_TF_ResourceConfig_r12.subframeBitmap_r12.choice.bs4_r12.buf[1] = 0xFF;
sc_CommTxConfig->ue_SelectedResourceConfig_r12->data_TF_ResourceConfig_r12.subframeBitmap_r12.choice.bs4_r12.buf[2] = 0xFF;
sc_CommTxConfig->ue_SelectedResourceConfig_r12->data_TF_ResourceConfig_r12.subframeBitmap_r12.choice.bs4_r12.buf[3] = 0xFF;
sc_CommTxConfig->ue_SelectedResourceConfig_r12->data_TF_ResourceConfig_r12.subframeBitmap_r12.choice.bs4_r12.buf[4] = 0xFF;
//rxParametersNCell_r12
sc_CommTxConfig->rxParametersNCell_r12 = CALLOC (1, sizeof (*sc_CommTxConfig->rxParametersNCell_r12));
sc_CommTxConfig->rxParametersNCell_r12->tdd_Config_r12 = CALLOC (1, sizeof (*sc_CommTxConfig->rxParametersNCell_r12->tdd_Config_r12 ));
sc_CommTxConfig->rxParametersNCell_r12->tdd_Config_r12->subframeAssignment = 0 ;
sc_CommTxConfig->rxParametersNCell_r12->tdd_Config_r12->specialSubframePatterns = 0;
sc_CommTxConfig->rxParametersNCell_r12->syncConfigIndex_r12 = 0;
//txParameters_r12
sc_CommTxConfig->txParameters_r12 = CALLOC (1, sizeof (*sc_CommTxConfig->txParameters_r12));
sc_CommTxConfig->txParameters_r12->sc_TxParameters_r12.alpha_r12 = LTE_Alpha_r12_al0;
sc_CommTxConfig->txParameters_r12->sc_TxParameters_r12.p0_r12 = 0;
sc_CommTxConfig->ext1 = NULL ;
return *sl_CommConfig;
}
LTE_SL_DiscConfig_r12_t rrc_eNB_get_sidelink_discTXPool( const protocol_ctxt_t *const ctxt_pP, rrc_eNB_ue_context_t *const ue_context_pP, int n_discoveryMessages ) {
//TODO
LTE_SL_DiscConfig_r12_t sl_DiscConfig;
memset(&sl_DiscConfig,0,sizeof(LTE_SL_DiscConfig_r12_t));
sl_DiscConfig.discTxResources_r12 = CALLOC(1,sizeof(*sl_DiscConfig.discTxResources_r12));
sl_DiscConfig.discTxResources_r12->present = LTE_SL_DiscConfig_r12__discTxResources_r12_PR_setup;
sl_DiscConfig.discTxResources_r12->choice.setup.present = LTE_SL_DiscConfig_r12__discTxResources_r12__setup_PR_scheduled_r12;
//sl_DiscConfig.discTxResources_r12->choice.setup.choice.scheduled_r12.discHoppingConfig_r12;
//sl_DiscConfig.discTxResources_r12->choice.setup.choice.scheduled_r12.discTF_IndexList_r12;
//sl_DiscConfig.discTxResources_r12->choice.setup.choice.scheduled_r12.discTxConfig_r12;
return sl_DiscConfig;
}
RRC_status_t
rrc_rx_tx(
protocol_ctxt_t *const ctxt_pP,
const int CC_id
)
//-----------------------------------------------------------------------------
{
MessageDef *message_p;
message_p = itti_alloc_new_message(TASK_RRC_ENB, 0, RRC_SUBFRAME_PROCESS);
RRC_SUBFRAME_PROCESS(message_p).ctxt = *ctxt_pP;
RRC_SUBFRAME_PROCESS(message_p).CC_id = CC_id;
itti_send_msg_to_task(TASK_RRC_ENB, ctxt_pP->module_id, message_p);
return RRC_OK;
}
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