Commit 8234afe8 authored by matzakos's avatar matzakos Committed by magounak

ENDC for 5G NSA support (preparatory work): Basic implementation of...

ENDC for 5G NSA support (preparatory work): Basic implementation of x2ap_eNB_generate_ENDC_x2_setup_request() and x2ap_gNB_handle_ENDC_x2_setup_request()
parent 2adf459f
develop 1 128-ues 256_QAM_demod 445-LDPC-implementation-on-GPU 459-pusch-based-ta-updates 464-ru_beamforming_in_gpu 464-ru_beamforming_in_gpu-CPUsubfunction 472-add-pusch-dmrs-modes 481-ldpc-decoder-on-gpu LTE_TRX_on_single_port NCTU_CS_ISIP NCTU_CS_ISIP_CPU NCTU_CS_ISIP_GPU NCTU_OpinConnect_LDPC NR-PHY-MAC-IF-multi-UE NR_10MHz NR_CSI_reporting NR_DCI_01 NR_DLUL_PF NR_DLUL_PF_rebased NR_DL_sched_fixes NR_DL_scheduler NR_FAPI_beamindex_SSB_RO NR_FR2_RA NR_FR2_RRC_SSB NR_MAC_CE_GlobalEdge NR_MAC_Multi_Rach_GlobalEdge NR_MAC_SSB_RO_GlobalEdge NR_MAC_SSB_RO_UE_IDCC NR_MAC_SSB_RO_merge NR_MAC_TCI_UCI_GlobalEdge NR_NGAP NR_PDCP_noS1 NR_PUCCH_MultiUE NR_RA_updates NR_RRCConfiguragion_FR2 NR_RRCConfiguration NR_RRCConfiguration_FR2 NR_RRCConfiguration_S1U NR_RRCConfiguration_merge_develop NR_RRCConfiguration_sync_source NR_RRCConfiguration_trx_thread NR_RRC_CP_bugfix NR_RRC_PDCP NR_RRC_PRACH_procedures NR_RRC_PRACH_procedures_todevelop NR_RRC_PUSCH NR_RRC_TA NR_RRC_X2AP_AMBR_Change_Global_edge NR_RRC_X2AP_RemoveHardcodings_GlobalEdge NR_RRC_config_simplified NR_RRC_harq NR_RRC_harq_b NR_RRC_harq_hacks NR_RRC_harq_newdcipdu NR_SA_F1AP_dev NR_SA_NGAP_RRC NR_SA_NGAP_RRC_wk42 NR_SA_itti_sim_wk48 NR_SA_itti_sim_wk48_hs NR_SA_itti_sim_wk48_hs1 NR_SCHED NR_SCHED_HARQ NR_SCHED_PDCCH_PUCCH_HARQ NR_SCHED_PDCCH_PUCCH_HARQ_rebased NR_SCHED_fixes NR_SRB_Config NR_TRX_on_single_port NR_TRX_on_single_port2 NR_UE_MAC_scheduler NR_UE_RA_fixes NR_UE_UL_DCI_improvements NR_UE_dlsch_bugfix NR_UE_enable_parallelization NR_UE_stability_fixes NR_UL_FAPI_programming NR_UL_scheduler NR_UL_scheduler_rebased NR_UL_scheduling NR_beam_simulation NR_beamforming_test NR_gNB_SCF_Indication NR_ipaccess_testing NR_mac_uci_functions_rework NR_msg2_phytest NR_scheduling_CSIRS NR_scheduling_request NR_scheduling_request2 NR_test_S1U_RRC_PRACH_procedures NR_ue_dlsch_dmrs_cdm OpInConnect_ISIP PUSCH_TA_update RA_CI_test UE_DL_DCI_hotfix addoptions_nr_USRPdevice bch-fixes-bitmap benetel_5g_prach_fix benetel_driver_update benetel_phase_rotation benetel_phase_rotation_old bugfix-minor-remove-wrong-log bugfix-nr-bands bugfix-nr-ldpc-post-processing bugfix-nr-ldpc-size-typo bugfix-nr-pdcp-sn-size bugfix-nr-rate-matching-assertion cce_indexing_fix cce_indexing_fix2 ci-deploy-asterix ci-deploy-docker-compose ci-rd-july-improvements ci-test ci-ul-iperf-from-trf-container clean-5G-scope-round2 cleanup_softmodem_main constant_power debug_branch_init_sync develop-SnT develop-ci develop-nr develop-nr-fr2 develop-nr-fr2-rework develop-nr_cppcheck develop-oriecpriupdates develop-sib1 develop-sib1-local develop-sib1-lts develop_inria_ci_deployment develop_inria_ci_deployment_gp develop_integration_2020_w15 develop_integration_2020_w19 develop_integration_w08 develop_stable dfts_alternatives dlsch-all-dlslots dlsch_encode_mthread dlsch_parallel docupdate_tools dongzhanyi-zte-develop dongzhanyi-zte-develop2 dreibh/apt-auth-fix dreibh/device-load-fix dreibh/device-load-fix-develop-branch dual-connectivity edrx extend_sharedlibusage extend_sharedlibusage2 fapi_for_dmrs_and_ptrs feature-4g-sched feature-nr-4g-nfapi-modifications feature-support-clang-format feature/make-s1-mme-port-configurable feature/make-s1-mme-port-configurable-with-astyle-fixes fembms-enb-ue finalize-oaicn-integration firas fix-ci-tun fix-clock-source fix-itti-segv fix-l2-sim fix-limeSDR-compile fix-softmodem-restart fix-warnings fix_NR_DLUL_PF fix_do_ra_data fix_pdsch_low_prb fix_rfsim_mimo fix_rrc_x2_ticking fixes-CE-RLC-PDU-size fixes-mac-sched-nfapi fixes-mac-sched-tun fixes-tun flexran-apps flexran-improvements flexran-repair-mme-mgmt fr2-hw-test fujitsu_lte_contribution fujitsu_lte_contribution-128 generate_push_ptrs gnb-only-test harq-hotfix hotfix-minor-remove-nr-rlc-cppcheck-error hotfix-nr-rlc-tick hotfix-ocp-executable hotfix-ue-musim-compilation hotfix_usrp_lib improve_build_nr_lte_merge improve_nr_modulation improve_ue_stability integration-develop-nr-2019w45 integration_2020_wk40 integration_2020_wk41 integration_2020_wk42_2 integration_2020_wk45 integration_2020_wk45_2 integration_2020_wk46 integration_2020_wk46_2 integration_2020_wk47 integration_2020_wk48 integration_2020_wk48_2 integration_2020_wk49 integration_2020_wk50 integration_2020_wk50_1 integration_2020_wk51 integration_2020_wk51_2 integration_2021_wk02 integration_2021_wk02_wMR988 inter-RRU-final inter-RRU-nr inter-RRU-oairu inter-rru-UE interoperability-test isip_nr itti-enhancement l2-fixes ldpc-dec-layering ldpc-decoder-codegen ldpc-decoder-codegen2 ldpc-decoder-improvements ldpc-offload ldpc_short_codeword_fixes load_gnb lte_uplink_improvement mac-fixes-wk45_2 mbms-fix-develop-nr merging-2019-w51-to-develop-nr minor-fix-doc-basic-sim mosaic5g-oai-ran mosaic5g-oai-sim nasmesh_kernel_5.8 new_rlc_2020 nfapi-bugfix nfapi_nr_develop ngap-dlul ngap-support ngap-w48-merge2 ngap-wf ngap-wf-1120 ngap-wf-1120-srb ngap-wf-1120-srb-gtp ngap-wf-1120-srb-gtp-hs ngap-wf-1120-srb-gtp-hs1 ngap-wf-1120-srb-gtp-hs2 ngap-wf-1120-srb-gtp-yhz ngap-wf-1203-yunsdr ngap-wf-liuyu ngap_lfq_1120 ngap_merge noCore nr-coreset-bug-fix nr-dlsch-multi-thread nr-dlsch-thread nr-dual-connectivity nr-interdigital-test nr-ip-uplink-noS1 nr-mac-pdu-wireshark nr-mac-remove-ue-list nr-pdcp nr-pdsch-extraction-bugfix nr-physim-update nr-rlc-am-bugfix-w44 nr-rlc-bugfix-w44 nr-timing-measurement-merge nr-ue-buffer-status nr-uldci nrUE nrUE-hs nrUE-upper-layer nr_beamforming nr_bsr nr_csi_newbranch nr_dl_dmrs_type2 nr_dl_pf nr_dl_pf2 nr_dl_ul_ptrs nr_dlsch_parallel_measurements nr_fapi_for_push_tmp nr_fdd_if_fix nr_fix_easycppcheck nr_improve_build_procedures nr_increase_tp nr_pdcch_testing nr_polar_decoder_improvement nr_prach_fr2 nr_pucch nr_pucch2 nr_segmentation_fixes nr_tdd_configuration nr_ue_msg3 nr_ue_tti_cleanup nr_ul_pf nr_ul_scfdma nr_vcd nrue-multi-thread nrue_msg2_reception nsa-ue nsa_remove_band_hardcodings oai-sim oai-ubuntu-docker oai-ubuntu-docker-for-lmssdr oairu oc-docker-october-improvements openxg/develop pdcp-benchmark pdsch-ch-est polar8 ptrs_rrc_config pusch-mthread-scaling-fix pusch-retrans-fix-ue ra-dl-ul remove_nos1_hack_pdcp remove_x2_gnb_hardcoding repair-TA revert_memcpy rh-ci-add-ue-parallelization rh_ci_fix_autoterminate rh_ci_fr1_update rh_ci_oc rh_ci_py rh_ci_rfsim_ra rh_doc_update_3 rh_fr1_newjenkins rh_fr1_update rh_gnb_compile_fix rh_wk50_debug rlc-v2-bugfix-status-reporting rlc-v2-tick rlc_v2_coverity_fixes rrc-enb-phy-testmode ru-parallel-beamforming runel runel-reverse-test s1-subnormal_rewrite s1_subnormal s1_subnormal-robert s1ap-bugfix-rab_setup sa-demo sa-merge-rrc-srb sa-msg4 sa-msg4-rrc sa-msg4-rrc-yihz sa-msg4-rrc-yihz-hs sa_rrc_yihz small-bugfixes-w40 small-config-change smallcleanup softmodem_cleanup split73 testing_2symb_pdcch testing_with_external_txdata tools_5Gadapt tp-ota-test trx_thread_param trx_write_thread ue-csi ue-fixes-ota ue-updates-runel-test ue_beam_selection ue_dlsch_decoding_ldpc_offload ue_nfapi_mch uhd_priority_set_cleanup ul-freq-iq-samps-to-file ul_dl_dci_same_slot ul_harq ulsch_decode_mthread ulsim_changes usrp_fix_adc_shift_and_pps_sync usrp_gpio_test wireshark-log-scheduling-requests x2-endc-processing xiangwab xiangwan yihongzheng_srb zzs 2021.w02 2020.w51_2 2020.w51 2020.w50 2020.w49 2020.w48_2 2020.w48 2020.w47 2020.w46_2 2020.w46 2020.w45_2 2020.w45 2020.w44 2020.w42_2 2020.w42 2020.w41 2020.w39 2020.w38 2020.w37 2020.w36 2020.w34 2020.w33 2020.w31 2020.w30 2020.w29 2020.w28 2020.w26 2020.w25 2020.w24 2020.w23 2020.w22 2020.w19 2020.w17 2020.w16 2020.w15 2020.w11 2020.w09 2020.w06 2020.w05 2020.w04 2020.w03 nr-ip-over-lte-v.1.5 nr-ip-over-lte-v.1.4 nr-ip-over-lte-v.1.3 nr-ip-over-lte-v.1.2 nr-ip-over-lte-v.1.1 nr-ip-over-lte-v.1.0 develop-nr-2020w03 develop-nr-2020w02 develop-nr-2019w51 develop-nr-2019w50 develop-nr-2019w48 develop-nr-2019w47 develop-nr-2019w45 develop-nr-2019w43 develop-nr-2019w42 develop-nr-2019w40 benetel_phase_rotation
No related merge requests found
......@@ -1224,3 +1224,128 @@ int x2ap_eNB_generate_senb_addition_request_ack (x2ap_eNB_instance_t *instance_p
return ret;
}
int x2ap_eNB_generate_ENDC_x2_setup_request(
x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p)
{
X2AP_X2AP_PDU_t pdu;
X2AP_ENDCX2SetupRequest_t *out;
X2AP_ENDCX2SetupRequest_IEs_t *ie;
X2AP_ENB_ENDCX2SetupReqIEs_t *ie_ENB_ENDC;
X2AP_PLMN_Identity_t *plmn;
ServedEUTRAcellsENDCX2ManagementList__Member *servedCellMember;
uint8_t *buffer;
uint32_t len;
int ret = 0;
DevAssert(instance_p != NULL);
DevAssert(x2ap_eNB_data_p != NULL);
x2ap_eNB_data_p->state = X2AP_ENB_STATE_WAITING;
/* Prepare the X2AP message to encode */
memset(&pdu, 0, sizeof(pdu));
pdu.present = X2AP_X2AP_PDU_PR_initiatingMessage;
pdu.choice.initiatingMessage.procedureCode = X2AP_ProcedureCode_id_endcX2Setup;
pdu.choice.initiatingMessage.criticality = X2AP_Criticality_reject;
pdu.choice.initiatingMessage.value.present = X2AP_InitiatingMessage__value_PR_ENDCX2SetupRequest;
out = &pdu.choice.initiatingMessage.value.choice.ENDCX2SetupRequest;
ie = (X2AP_ENDCX2SetupRequest_IEs_t *)calloc(1, sizeof(X2AP_ENDCX2SetupRequest_IEs_t));
ie->id = X2AP_ProtocolIE_ID_id_InitiatingNodeType_EndcX2Setup;
ie->value.present = X2AP_ENDCX2SetupRequest_IEs__value_PR_InitiatingNodeType_EndcX2Setup;
ie->value.choice.InitiatingNodeType_EndcX2Setup.present = X2AP_InitiatingNodeType_EndcX2Setup_PR_init_eNB;
ie_ENB_ENDC = (X2AP_ENB_ENDCX2SetupReqIEs_t *)calloc(1, sizeof(X2AP_ENB_ENDCX2SetupReqIEs_t));
ie_ENB_ENDC->id = X2AP_ProtocolIE_ID_id_GlobalENB_ID;
ie_ENB_ENDC->criticality = X2AP_Criticality_reject;
ie_ENB_ENDC->value.present = X2AP_ENB_ENDCX2SetupReqIEs__value_PR_GlobalENB_ID;
ie_ENB_ENDC->value.choice.GlobalENB_ID.eNB_ID.present = X2AP_ENB_ID_PR_macro_eNB_ID;
MACRO_ENB_ID_TO_BIT_STRING(instance_p->eNB_id,
&ie_ENB_ENDC->value.choice.GlobalENB_ID.eNB_ID.choice.macro_eNB_ID);
MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length,
&ie_ENB_ENDC->value.choice.GlobalENB_ID.pLMN_Identity);
ASN_SEQUENCE_ADD(&ie->value.choice.InitiatingNodeType_EndcX2Setup.choice.init_eNB.list, ie_ENB_ENDC);
ie_ENB_ENDC = (X2AP_ENB_ENDCX2SetupReqIEs_t *)calloc(1, sizeof(X2AP_ENB_ENDCX2SetupReqIEs_t));
ie_ENB_ENDC->id = X2AP_ProtocolIE_ID_id_ServedEUTRAcellsENDCX2ManagementList;
ie_ENB_ENDC->criticality = X2AP_Criticality_reject;
ie_ENB_ENDC->value.present = X2AP_ENB_ENDCX2SetupReqIEs__value_PR_ServedEUTRAcellsENDCX2ManagementList;
{
for (int i = 0; i<instance_p->num_cc; i++){
servedCellMember = (ServedEUTRAcellsENDCX2ManagementList__Member *)calloc(1,sizeof(ServedEUTRAcellsENDCX2ManagementList__Member));
{
servedCellMember->servedEUTRACellInfo.pCI = instance_p->Nid_cell[i];
MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length,
&servedCellMember->servedEUTRACellInfo.cellId.pLMN_Identity);
MACRO_ENB_ID_TO_CELL_IDENTITY(instance_p->eNB_id,0,
&servedCellMember->servedEUTRACellInfo.cellId.eUTRANcellIdentifier);
INT16_TO_OCTET_STRING(instance_p->tac, &servedCellMember->servedEUTRACellInfo.tAC);
plmn = (X2AP_PLMN_Identity_t *)calloc(1,sizeof(X2AP_PLMN_Identity_t));
{
MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length, plmn);
ASN_SEQUENCE_ADD(&servedCellMember->servedEUTRACellInfo.broadcastPLMNs.list, plmn);
}
if (instance_p->frame_type[i] == FDD) {
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.present = X2AP_EUTRA_Mode_Info_PR_fDD;
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.choice.fDD.dL_EARFCN = instance_p->fdd_earfcn_DL[i];
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.choice.fDD.uL_EARFCN = instance_p->fdd_earfcn_UL[i];
switch (instance_p->N_RB_DL[i]) {
case 6:
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = X2AP_Transmission_Bandwidth_bw6;
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = X2AP_Transmission_Bandwidth_bw6;
break;
case 15:
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = X2AP_Transmission_Bandwidth_bw15;
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = X2AP_Transmission_Bandwidth_bw15;
break;
case 25:
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = X2AP_Transmission_Bandwidth_bw25;
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = X2AP_Transmission_Bandwidth_bw25;
break;
case 50:
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = X2AP_Transmission_Bandwidth_bw50;
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = X2AP_Transmission_Bandwidth_bw50;
break;
case 75:
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = X2AP_Transmission_Bandwidth_bw75;
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = X2AP_Transmission_Bandwidth_bw75;
break;
case 100:
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = X2AP_Transmission_Bandwidth_bw100;
servedCellMember->servedEUTRACellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = X2AP_Transmission_Bandwidth_bw100;
break;
default:
AssertFatal(0,"Failed: Check value for N_RB_DL/N_RB_UL");
break;
}
}
else {
AssertFatal(0,"X2Setuprequest not supported for TDD!");
}
}
ASN_SEQUENCE_ADD(&ie_ENB_ENDC->value.choice.ServedEUTRAcellsENDCX2ManagementList.list, servedCellMember);
}
}
ASN_SEQUENCE_ADD(&ie->value.choice.InitiatingNodeType_EndcX2Setup.choice.init_eNB.list, ie_ENB_ENDC);
ASN_SEQUENCE_ADD(&out->protocolIEs.list, ie);
if (x2ap_eNB_encode_pdu(&pdu, &buffer, &len) < 0) {
X2AP_ERROR("Failed to encode X2 setup request\n");
return -1;
}
MSC_LOG_TX_MESSAGE (MSC_X2AP_SRC_ENB, MSC_X2AP_TARGET_ENB, NULL, 0, "0 X2Setup/initiatingMessage assoc_id %u", x2ap_eNB_data_p->assoc_id);
x2ap_eNB_itti_send_sctp_data_req(instance_p->instance, x2ap_eNB_data_p->assoc_id, buffer, len, 0);
return ret;
}
......@@ -66,4 +66,6 @@ int x2ap_eNB_generate_senb_addition_request (x2ap_eNB_instance_t *instance_p, x2
int x2ap_eNB_generate_senb_addition_request_ack (x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p,
x2ap_senb_addition_req_ack_t *x2ap_addition_req_ack);
int x2ap_eNB_generate_ENDC_x2_setup_request(x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p);
#endif /* X2AP_ENB_GENERATE_MESSAGES_H_ */
......@@ -103,6 +103,11 @@ int x2ap_eNB_handle_senb_addition_request_reject (instance_t instance,
uint32_t stream,
X2AP_X2AP_PDU_t *pdu);
int x2ap_gNB_handle_ENDC_x2_setup_request(instance_t instance,
uint32_t assoc_id,
uint32_t stream,
X2AP_X2AP_PDU_t *pdu);
/* Handlers matrix. Only eNB related procedure present here */
x2ap_message_decoded_callback x2ap_messages_callback[][3] = {
{ x2ap_eNB_handle_handover_preparation, x2ap_eNB_handle_handover_response, 0 }, /* handoverPreparation */
......@@ -131,7 +136,20 @@ x2ap_message_decoded_callback x2ap_messages_callback[][3] = {
{ 0, 0, 0 }, /* meNBinitiatedSeNBRelease */
{ 0, 0, 0 }, /* seNBinitiatedSeNBRelease */
{ 0, 0, 0 }, /* seNBCounterCheck */
{ 0, 0, 0 } /* retrieveUEContext */
{ 0, 0, 0 }, /* retrieveUEContext */
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ x2ap_gNB_handle_ENDC_x2_setup_request, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 }
};
char *x2ap_direction2String(int x2ap_dir) {
......@@ -433,6 +451,7 @@ x2ap_eNB_handle_x2_setup_request(instance_t instance,
return x2ap_eNB_generate_x2_setup_response(instance_p, x2ap_eNB_data);
}
static
int x2ap_eNB_handle_x2_setup_response(instance_t instance,
uint32_t assoc_id,
......@@ -1296,3 +1315,142 @@ int x2ap_eNB_handle_senb_addition_request_reject (instance_t instance,
printf("%s:%d:%s:TODO\n", __FILE__, __LINE__, __FUNCTION__);
return 0;
}
int
x2ap_gNB_handle_ENDC_x2_setup_request(instance_t instance,
uint32_t assoc_id,
uint32_t stream,
X2AP_X2AP_PDU_t *pdu)
{
X2AP_ENDCX2SetupRequest_t *x2_ENDC_SetupRequest;
X2AP_ENDCX2SetupRequest_IEs_t *ie;
X2AP_ENB_ENDCX2SetupReqIEs_t *ie_ENB_ENDC;
ServedEUTRAcellsENDCX2ManagementList__Member *servedCellMember;
x2ap_eNB_instance_t *instance_p;
x2ap_eNB_data_t *x2ap_eNB_data;
uint32_t eNB_id = 0;
DevAssert (pdu != NULL);
x2_ENDC_SetupRequest = &pdu->choice.initiatingMessage.value.choice.ENDCX2SetupRequest;
/*
* We received a new valid X2 Setup Request on a stream != 0.
* * * * This should not happen -> reject eNB x2 setup request.
*/
if (stream != 0) {
X2AP_ERROR("Received new x2 setup request on stream != 0\n");
/*
* Send a x2 setup failure with protocol cause unspecified
*/
// Panos: Here we should be calling an ENDC specific setup_failure function instead
return x2ap_eNB_generate_x2_setup_failure (instance,
assoc_id,
X2AP_Cause_PR_protocol,
X2AP_CauseProtocol_unspecified,
-1);
}
X2AP_DEBUG("Received a new X2 setup request\n");
X2AP_FIND_PROTOCOLIE_BY_ID(X2AP_ENDCX2SetupRequest_IEs_t, ie, x2_ENDC_SetupRequest,
X2AP_ProtocolIE_ID_id_InitiatingNodeType_EndcX2Setup, true);
if (ie == NULL ) {
X2AP_ERROR("%s %d: ie is a NULL pointer \n",__FILE__,__LINE__);
return -1;
} else {
if (ie->value.choice.InitiatingNodeType_EndcX2Setup.choice.init_eNB.list.count > 0) {
//Panos: Here the container parameter in X2AP_FIND_PROTOCOLIE_BY_ID should be the x2_ENDC_SetupRequest
//message or the ie to which there are more nested information elements?
for (int i=0; i<ie->value.choice.InitiatingNodeType_EndcX2Setup.choice.init_eNB.list.count;i++) {
ie_ENB_ENDC = (X2AP_ENB_ENDCX2SetupReqIEs_t*) ie->value.choice.InitiatingNodeType_EndcX2Setup.choice.init_eNB.list.array[i];
if (ie_ENB_ENDC == NULL ) {
X2AP_ERROR("%s %d: ie is a NULL pointer \n",__FILE__,__LINE__);
return -1;
}
else if (ie_ENB_ENDC->id == X2AP_ProtocolIE_ID_id_GlobalENB_ID) {
if (ie_ENB_ENDC->value.choice.GlobalENB_ID.eNB_ID.present == X2AP_ENB_ID_PR_home_eNB_ID) {
// Home eNB ID = 28 bits
uint8_t *eNB_id_buf = ie_ENB_ENDC->value.choice.GlobalENB_ID.eNB_ID.choice.home_eNB_ID.buf;
if (ie_ENB_ENDC->value.choice.GlobalENB_ID.eNB_ID.choice.macro_eNB_ID.size != 28) {
//TODO: handle case were size != 28 -> notify ? reject ?
}
eNB_id = (eNB_id_buf[0] << 20) + (eNB_id_buf[1] << 12) + (eNB_id_buf[2] << 4) + ((eNB_id_buf[3] & 0xf0) >> 4);
X2AP_DEBUG("Home eNB id: %07x\n", eNB_id);
} else {
// Macro eNB = 20 bits
uint8_t *eNB_id_buf = ie_ENB_ENDC->value.choice.GlobalENB_ID.eNB_ID.choice.macro_eNB_ID.buf;
if (ie_ENB_ENDC->value.choice.GlobalENB_ID.eNB_ID.choice.macro_eNB_ID.size != 20) {
//TODO: handle case were size != 20 -> notify ? reject ?
}
eNB_id = (eNB_id_buf[0] << 12) + (eNB_id_buf[1] << 4) + ((eNB_id_buf[2] & 0xf0) >> 4);
X2AP_DEBUG("macro eNB id: %05x\n", eNB_id);
}
X2AP_DEBUG("Adding eNB to the list of associated eNBs\n");
if ((x2ap_eNB_data = x2ap_is_eNB_id_in_list (eNB_id)) == NULL) {
/*
* eNB has not been found in list of associated eNB,
* * * * Add it to the tail of list and initialize data
*/
if ((x2ap_eNB_data = x2ap_is_eNB_assoc_id_in_list (assoc_id)) == NULL) {
/*
* ??
*/
return -1;
} else {
x2ap_eNB_data->state = X2AP_ENB_STATE_RESETTING;
x2ap_eNB_data->eNB_id = eNB_id;
}
} else {
x2ap_eNB_data->state = X2AP_ENB_STATE_RESETTING;
/*
* eNB has been found in list, consider the x2 setup request as a reset connection,
* * * * reseting any previous UE state if sctp association is != than the previous one
*/
if (x2ap_eNB_data->assoc_id != assoc_id) {
/*
* ??: Send an overload cause...
*/
X2AP_ERROR("Rejecting x2 setup request as eNB id %d is already associated to an active sctp association" "Previous known: %d, new one: %d\n", eNB_id, x2ap_eNB_data->assoc_id, assoc_id);
// Panos: Here we should be calling an ENDC specific setup_failure function instead
x2ap_eNB_generate_x2_setup_failure (instance,
assoc_id,
X2AP_Cause_PR_protocol,
X2AP_CauseProtocol_unspecified,
-1);
return -1;
}
/*
* * TODO: call the reset procedure
*/
}
}
else if (ie_ENB_ENDC->id == X2AP_ProtocolIE_ID_id_ServedEUTRAcellsENDCX2ManagementList){
if (ie_ENB_ENDC->value.choice.ServedEUTRAcellsENDCX2ManagementList.list.count > 0) {
x2ap_eNB_data->num_cc = ie_ENB_ENDC->value.choice.ServedEUTRAcellsENDCX2ManagementList.list.count;
for (int i=0; i<ie_ENB_ENDC->value.choice.ServedEUTRAcellsENDCX2ManagementList.list.count;i++) {
servedCellMember = (ServedEUTRAcellsENDCX2ManagementList__Member *)ie_ENB_ENDC->value.choice.ServedEUTRAcellsENDCX2ManagementList.list.array[i];
x2ap_eNB_data->Nid_cell[i] = servedCellMember->servedEUTRACellInfo.pCI;
}
}
}
}
}
}
instance_p = x2ap_eNB_get_instance(instance);
DevAssert(instance_p != NULL);
// Panos: Here we should be calling an ENDC specific setup response function
return x2ap_eNB_generate_x2_setup_response(instance_p, x2ap_eNB_data);
}
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment