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Commit 2e8b93ef authored by matzakos's avatar matzakos
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ENDC: Reverse the role of eNB and gNB for the ENDC X2 setup procedure.... 

ENDC: Reverse the role of eNB and gNB for the ENDC X2 setup procedure. Currently, gNB: slave sending the setup request, eNB:master.
parent 00173165
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Showing with 235 additions and 250 deletions
openair2/COMMON/s1ap_messages_types.h
View file @ 2e8b93ef
......@@ -81,7 +81,8 @@
#ifndef OCP_FRAMEWORK
typedef enum cell_type_e {
CELL_MACRO_ENB,
CELL_HOME_ENB
CELL_HOME_ENB,
CELL_MACRO_GNB
} cell_type_t;
typedef enum paging_drx_e {
......
openair2/ENB_APP/enb_config.c
View file @ 2e8b93ef
......@@ -2126,6 +2126,11 @@ int RCconfig_S1(
S1AP_REGISTER_ENB_REQ (msg_p).cell_type = CELL_MACRO_ENB;
} else if (strcmp(*(ENBParamList.paramarray[k][ENB_CELL_TYPE_IDX].strptr), "CELL_HOME_ENB") == 0) {
S1AP_REGISTER_ENB_REQ (msg_p).cell_type = CELL_HOME_ENB;
// Temporary option to be able to parse an eNB configuration file which is treated as gNB from
// the X2AP layer and test the setup of an ENDC X2AP connection. To be removed when we are ready to
// parse an actual gNB configuration file wrt. the X2AP parameters instead.
} else if (strcmp(*(ENBParamList.paramarray[k][ENB_CELL_TYPE_IDX].strptr), "CELL_MACRO_GNB") == 0) {
S1AP_REGISTER_ENB_REQ (msg_p).cell_type = CELL_MACRO_GNB;
} else {
AssertFatal(0,
"Failed to parse eNB configuration file %s, enb %d unknown value \"%s\" for cell_type choice: CELL_MACRO_ENB or CELL_HOME_ENB !\n",
......@@ -2355,7 +2360,12 @@ int RCconfig_X2(MessageDef *msg_p, uint32_t i) {
X2AP_REGISTER_ENB_REQ (msg_p).cell_type = CELL_MACRO_ENB;
} else if (strcmp(*(ENBParamList.paramarray[k][ENB_CELL_TYPE_IDX].strptr), "CELL_HOME_ENB") == 0) {
X2AP_REGISTER_ENB_REQ (msg_p).cell_type = CELL_HOME_ENB;
} else {
// Temporary option to be able to parse an eNB configuration file which is treated as gNB from
// the X2AP layer and test the setup of an ENDC X2AP connection. To be removed when we are ready to
// parse an actual gNB configuration file wrt. the X2AP parameters instead.
} else if (strcmp(*(ENBParamList.paramarray[k][ENB_CELL_TYPE_IDX].strptr), "CELL_MACRO_GNB") == 0) {
S1AP_REGISTER_ENB_REQ (msg_p).cell_type = CELL_MACRO_GNB;
}else {
AssertFatal (0,
"Failed to parse eNB configuration file %s, enb %d unknown value \"%s\" for cell_type choice: CELL_MACRO_ENB or CELL_HOME_ENB !\n",
RC.config_file_name, i, *(ENBParamList.paramarray[k][ENB_CELL_TYPE_IDX].strptr));
......
openair2/X2AP/x2ap_eNB.c
View file @ 2e8b93ef
......@@ -101,7 +101,6 @@ void x2ap_eNB_handle_sctp_association_resp(instance_t instance, sctp_new_associa
x2ap_eNB_instance_t *instance_p;
x2ap_eNB_data_t *x2ap_enb_data_p;
DevAssert(sctp_new_association_resp != NULL);
printf("x2ap_eNB_handle_sctp_association_resp at 1\n");
dump_trees();
instance_p = x2ap_eNB_get_instance(instance);
DevAssert(instance_p != NULL);
......@@ -129,7 +128,6 @@ void x2ap_eNB_handle_sctp_association_resp(instance_t instance, sctp_new_associa
x2ap_enb_data_p = x2ap_get_eNB(instance_p, -1,
sctp_new_association_resp->ulp_cnx_id);
DevAssert(x2ap_enb_data_p != NULL);
printf("x2ap_eNB_handle_sctp_association_resp at 2\n");
dump_trees();
if (sctp_new_association_resp->sctp_state != SCTP_STATE_ESTABLISHED) {
......@@ -142,17 +140,17 @@ void x2ap_eNB_handle_sctp_association_resp(instance_t instance, sctp_new_associa
return;
}
printf("x2ap_eNB_handle_sctp_association_resp at 3\n");
dump_trees();
/* Update parameters */
x2ap_enb_data_p->assoc_id = sctp_new_association_resp->assoc_id;
x2ap_enb_data_p->in_streams = sctp_new_association_resp->in_streams;
x2ap_enb_data_p->out_streams = sctp_new_association_resp->out_streams;
printf("x2ap_eNB_handle_sctp_association_resp at 4\n");
dump_trees();
/* Prepare new x2 Setup Request */
x2ap_eNB_generate_x2_setup_request(instance_p, x2ap_enb_data_p);
//x2ap_eNB_generate_ENDC_x2_setup_request(instance_p, x2ap_enb_data_p);
if(instance_p->cell_type == CELL_MACRO_GNB)
x2ap_gNB_generate_ENDC_x2_setup_request(instance_p, x2ap_enb_data_p);
else
x2ap_eNB_generate_x2_setup_request(instance_p, x2ap_enb_data_p);
}
static
......
openair2/X2AP/x2ap_eNB_generate_messages.c
View file @ 2e8b93ef
......@@ -39,6 +39,7 @@
#include "x2ap_ids.h"
#include "x2ap_eNB_itti_messaging.h"
#include "X2AP_SupportedSULFreqBandItem.h"
#include "msc.h"
#include "assertions.h"
......@@ -1230,17 +1231,17 @@ int x2ap_eNB_generate_senb_addition_request_ack (x2ap_eNB_instance_t *instance_p
return ret;
}
/*setup request message from an eNB to a gNB*/
int x2ap_eNB_generate_ENDC_x2_setup_request(
/*setup request message from a gNB to an eNB*/
int x2ap_gNB_generate_ENDC_x2_setup_request(
x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p)
{
printf("In x2ap_eNB_generate_ENDC_x2_setup_request \n");
X2AP_X2AP_PDU_t pdu;
X2AP_ENDCX2SetupRequest_t *out;
X2AP_ENDCX2SetupRequest_IEs_t *ie;
X2AP_ENB_ENDCX2SetupReqIEs_t *ie_ENB_ENDC;
X2AP_En_gNB_ENDCX2SetupReqIEs_t *ie_GNB_ENDC;
X2AP_PLMN_Identity_t *plmn;
ServedEUTRAcellsENDCX2ManagementList__Member *servedCellMember;
ServedNRcellsENDCX2ManagementList__Member *servedCellMember;
X2AP_SupportedSULFreqBandItem_t *SULFreqBandItem;
uint8_t *buffer;
uint32_t len;
......@@ -1262,85 +1263,102 @@ int x2ap_eNB_generate_ENDC_x2_setup_request(
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->value.choice.InitiatingNodeType_EndcX2Setup.present = X2AP_InitiatingNodeType_EndcX2Setup_PR_init_en_gNB;
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);
ie_GNB_ENDC = (X2AP_En_gNB_ENDCX2SetupReqIEs_t *)calloc(1, sizeof(X2AP_En_gNB_ENDCX2SetupReqIEs_t));
ie_GNB_ENDC->id = X2AP_ProtocolIE_ID_id_Globalen_gNB_ID;
ie_GNB_ENDC->criticality = X2AP_Criticality_reject;
ie_GNB_ENDC->value.present = X2AP_En_gNB_ENDCX2SetupReqAckIEs__value_PR_GlobalGNB_ID;
ie_GNB_ENDC->value.choice.GlobalGNB_ID.gNB_ID.present = X2AP_GNB_ID_PR_gNB_ID;
INT32_TO_OCTET_STRING(instance_p->eNB_id,
&ie_GNB_ENDC->value.choice.GlobalGNB_ID.gNB_ID.choice.gNB_ID);
ASN_SEQUENCE_ADD(&ie->value.choice.InitiatingNodeType_EndcX2Setup.choice.init_eNB.list, ie_ENB_ENDC);
X2AP_INFO("%d -> %02x%02x%02x\n", instance_p->eNB_id,
ie_GNB_ENDC->value.choice.GlobalGNB_ID.gNB_ID.choice.gNB_ID.buf[0],
ie_GNB_ENDC->value.choice.GlobalGNB_ID.gNB_ID.choice.gNB_ID.buf[1],
ie_GNB_ENDC->value.choice.GlobalGNB_ID.gNB_ID.choice.gNB_ID.buf[2]);
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;
MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length,
&ie_GNB_ENDC->value.choice.GlobalGNB_ID.pLMN_Identity);
ASN_SEQUENCE_ADD(&ie->value.choice.InitiatingNodeType_EndcX2Setup.choice.init_en_gNB.list, ie_GNB_ENDC);
ie_GNB_ENDC = (X2AP_En_gNB_ENDCX2SetupReqIEs_t *)calloc(1, sizeof(X2AP_En_gNB_ENDCX2SetupReqIEs_t));
ie_GNB_ENDC->id = X2AP_ProtocolIE_ID_id_ServedNRcellsENDCX2ManagementList;
ie_GNB_ENDC->criticality = X2AP_Criticality_reject;
ie_GNB_ENDC->value.present = X2AP_En_gNB_ENDCX2SetupReqIEs__value_PR_ServedNRcellsENDCX2ManagementList;
{
for (int i = 0; i<instance_p->num_cc; i++){
servedCellMember = (ServedEUTRAcellsENDCX2ManagementList__Member *)calloc(1,sizeof(ServedEUTRAcellsENDCX2ManagementList__Member));
servedCellMember = (ServedNRcellsENDCX2ManagementList__Member *)calloc(1,sizeof(ServedNRcellsENDCX2ManagementList__Member));
{
servedCellMember->servedEUTRACellInfo.pCI = instance_p->Nid_cell[i];
servedCellMember->servedNRCellInfo.nrpCI = 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);
&servedCellMember->servedNRCellInfo.nrCellID.pLMN_Identity);
NR_CELL_ID_TO_BIT_STRING(instance_p->eNB_id,
&servedCellMember->servedNRCellInfo.nrCellID.nRcellIdentifier);
servedCellMember->servedNRCellInfo.fiveGS_TAC = calloc(1, sizeof(X2AP_FiveGS_TAC_t));
if (servedCellMember->servedNRCellInfo.fiveGS_TAC == NULL)
exit(1);
NR_FIVEGS_TAC_ID_TO_BIT_STRING(instance_p->tac, servedCellMember->servedNRCellInfo.fiveGS_TAC);
X2AP_INFO("TAC: %d -> %02x%02x%02x\n", instance_p->tac,
servedCellMember->servedNRCellInfo.fiveGS_TAC->buf[0],
servedCellMember->servedNRCellInfo.fiveGS_TAC->buf[1],
servedCellMember->servedNRCellInfo.fiveGS_TAC->buf[2]);
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);
ASN_SEQUENCE_ADD(&servedCellMember->servedNRCellInfo.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];
if (instance_p->frame_type[i] == FDD) { // Panos: Remember to change that to TDD
X2AP_FreqBandNrItem_t *freq_band;
servedCellMember->servedNRCellInfo.nrModeInfo.present = X2AP_ServedNRCell_Information__nrModeInfo_PR_tdd;
servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nRFreqInfo.nRARFCN = 0; //instance_p->tdd_nRARFCN[i];
/* addition of Frequency Band List */
freq_band = calloc(1, sizeof(X2AP_FreqBandNrItem_t));
if (freq_band == NULL)
exit(1);
freq_band->freqBandIndicatorNr = 1; /* TODO: put correct value */
SULFreqBandItem = calloc(1, sizeof(X2AP_SupportedSULFreqBandItem_t));
SULFreqBandItem->freqBandIndicatorNr=80; /* TODO: put correct value */
ASN_SEQUENCE_ADD(&freq_band->supportedSULBandList.list, SULFreqBandItem);
ASN_SEQUENCE_ADD(&servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nRFreqInfo.freqBandListNr, freq_band);
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;
}
}
case 50:
//This is not correct. Just to be able to test X2 only using an eNB instead of gNB
servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb51;
break;
case 93 :
servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb93;
break;
case 106:
servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb106;
break;
case 121:
servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb121;
break;
/*More cases to be added */
default:
AssertFatal(0,"Failed: Check value for N_RB_DL/N_RB_UL");
break;
}
}
else {
AssertFatal(0,"X2Setuprequest not supported for TDD!");
AssertFatal(0,"ENDC_X2Setuprequest not supported for FDD!");
}
/*Don't know where to extract the value of measurementTimingConfiguration from. Set it to 0 for now */
INT8_TO_OCTET_STRING(0, &servedCellMember->servedNRCellInfo.measurementTimingConfiguration);
}
ASN_SEQUENCE_ADD(&ie_ENB_ENDC->value.choice.ServedEUTRAcellsENDCX2ManagementList.list, servedCellMember);
ASN_SEQUENCE_ADD(&ie_GNB_ENDC->value.choice.ServedNRcellsENDCX2ManagementList.list, servedCellMember);
}
}
ASN_SEQUENCE_ADD(&ie->value.choice.InitiatingNodeType_EndcX2Setup.choice.init_eNB.list, ie_ENB_ENDC);
ASN_SEQUENCE_ADD(&ie->value.choice.InitiatingNodeType_EndcX2Setup.choice.init_en_gNB.list, ie_GNB_ENDC);
ASN_SEQUENCE_ADD(&out->protocolIEs.list, ie);
......@@ -1357,18 +1375,15 @@ int x2ap_eNB_generate_ENDC_x2_setup_request(
return ret;
}
/*setup request message from an eNB to a gNB*/
int x2ap_gNB_generate_ENDC_x2_setup_response(
int x2ap_eNB_generate_ENDC_x2_setup_response(
x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p)
{
X2AP_INFO("In x2ap_gNB_generate_ENDC_x2_setup_response ()!\n");
X2AP_X2AP_PDU_t pdu;
X2AP_ENDCX2SetupResponse_t *out;
X2AP_ENDCX2SetupResponse_IEs_t *ie;
X2AP_En_gNB_ENDCX2SetupReqAckIEs_t *ie_GNB_ENDC;
X2AP_ENB_ENDCX2SetupReqAckIEs_t *ie_ENB_ENDC;
X2AP_PLMN_Identity_t *plmn;
ServedNRcellsENDCX2ManagementList__Member *servedCellMember;
ServedEUTRAcellsENDCX2ManagementList__Member *servedCellMember;
uint8_t *buffer;
uint32_t len;
......@@ -1390,121 +1405,85 @@ int x2ap_gNB_generate_ENDC_x2_setup_response(
ie = (X2AP_ENDCX2SetupResponse_IEs_t *)calloc(1, sizeof(X2AP_ENDCX2SetupResponse_IEs_t));
ie->id = X2AP_ProtocolIE_ID_id_RespondingNodeType_EndcX2Setup;
ie->value.present = X2AP_ENDCX2SetupResponse_IEs__value_PR_RespondingNodeType_EndcX2Setup;
ie->value.choice.RespondingNodeType_EndcX2Setup.present = X2AP_RespondingNodeType_EndcX2Setup_PR_respond_en_gNB;
ie_GNB_ENDC = (X2AP_En_gNB_ENDCX2SetupReqAckIEs_t *)calloc(1, sizeof(X2AP_En_gNB_ENDCX2SetupReqAckIEs_t));
ie_GNB_ENDC->id = X2AP_ProtocolIE_ID_id_Globalen_gNB_ID;
ie_GNB_ENDC->criticality = X2AP_Criticality_reject;
ie_GNB_ENDC->value.present = X2AP_En_gNB_ENDCX2SetupReqAckIEs__value_PR_GlobalGNB_ID;
ie_GNB_ENDC->value.choice.GlobalGNB_ID.gNB_ID.present = X2AP_GNB_ID_PR_gNB_ID;
INT32_TO_OCTET_STRING(instance_p->eNB_id,
&ie_GNB_ENDC->value.choice.GlobalGNB_ID.gNB_ID.choice.gNB_ID);
X2AP_INFO("%d -> %02x%02x%02x\n", instance_p->eNB_id,
ie_GNB_ENDC->value.choice.GlobalGNB_ID.gNB_ID.choice.gNB_ID.buf[0],
ie_GNB_ENDC->value.choice.GlobalGNB_ID.gNB_ID.choice.gNB_ID.buf[1],
ie_GNB_ENDC->value.choice.GlobalGNB_ID.gNB_ID.choice.gNB_ID.buf[2]);
ie->value.choice.RespondingNodeType_EndcX2Setup.present = X2AP_RespondingNodeType_EndcX2Setup_PR_respond_eNB;
ie_ENB_ENDC = (X2AP_ENB_ENDCX2SetupReqAckIEs_t *)calloc(1, sizeof(X2AP_ENB_ENDCX2SetupReqAckIEs_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_ENDCX2SetupReqAckIEs__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_GNB_ENDC->value.choice.GlobalGNB_ID.pLMN_Identity);
&ie_ENB_ENDC->value.choice.GlobalENB_ID.pLMN_Identity);
ASN_SEQUENCE_ADD(&ie->value.choice.RespondingNodeType_EndcX2Setup.choice.respond_en_gNB.list, ie_GNB_ENDC);
ASN_SEQUENCE_ADD(&ie->value.choice.RespondingNodeType_EndcX2Setup.choice.respond_eNB.list, ie_ENB_ENDC);
ie_GNB_ENDC = (X2AP_En_gNB_ENDCX2SetupReqAckIEs_t *)calloc(1, sizeof(X2AP_En_gNB_ENDCX2SetupReqAckIEs_t));
ie_GNB_ENDC->id = X2AP_ProtocolIE_ID_id_ServedNRcellsENDCX2ManagementList;
ie_GNB_ENDC->criticality = X2AP_Criticality_reject;
ie_GNB_ENDC->value.present = X2AP_En_gNB_ENDCX2SetupReqAckIEs__value_PR_ServedNRcellsENDCX2ManagementList;
ie_ENB_ENDC = (X2AP_ENB_ENDCX2SetupReqAckIEs_t *)calloc(1, sizeof(X2AP_ENB_ENDCX2SetupReqAckIEs_t));
ie_ENB_ENDC->id = X2AP_ProtocolIE_ID_id_ServedEUTRAcellsENDCX2ManagementList;
ie_ENB_ENDC->criticality = X2AP_Criticality_reject;
ie_ENB_ENDC->value.present = X2AP_ENB_ENDCX2SetupReqAckIEs__value_PR_ServedEUTRAcellsENDCX2ManagementList;
{
for (int i = 0; i<instance_p->num_cc; i++){
servedCellMember = (ServedNRcellsENDCX2ManagementList__Member *)calloc(1,sizeof(ServedNRcellsENDCX2ManagementList__Member));
servedCellMember = (ServedEUTRAcellsENDCX2ManagementList__Member *)calloc(1,sizeof(ServedEUTRAcellsENDCX2ManagementList__Member));
{
servedCellMember->servedNRCellInfo.nrpCI = instance_p->Nid_cell[i];
servedCellMember->servedEUTRACellInfo.pCI = instance_p->Nid_cell[i];
MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length,
&servedCellMember->servedNRCellInfo.nrCellID.pLMN_Identity);
NR_CELL_ID_TO_BIT_STRING(instance_p->eNB_id,
&servedCellMember->servedNRCellInfo.nrCellID.nRcellIdentifier);
servedCellMember->servedNRCellInfo.fiveGS_TAC = calloc(1, sizeof(X2AP_FiveGS_TAC_t));
if (servedCellMember->servedNRCellInfo.fiveGS_TAC == NULL)
exit(1);
NR_FIVEGS_TAC_ID_TO_BIT_STRING(instance_p->tac, servedCellMember->servedNRCellInfo.fiveGS_TAC);
X2AP_INFO("TAC: %d -> %02x%02x%02x\n", instance_p->tac,
servedCellMember->servedNRCellInfo.fiveGS_TAC->buf[0],
servedCellMember->servedNRCellInfo.fiveGS_TAC->buf[1],
servedCellMember->servedNRCellInfo.fiveGS_TAC->buf[2]);
&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->servedNRCellInfo.broadcastPLMNs.list, plmn);
ASN_SEQUENCE_ADD(&servedCellMember->servedEUTRACellInfo.broadcastPLMNs.list, plmn);
}
if (instance_p->frame_type[i] == TDD) { // Panos: Remember to change that to TDD
X2AP_FreqBandNrItem_t *freq_band;
servedCellMember->servedNRCellInfo.nrModeInfo.present = X2AP_ServedNRCell_Information__nrModeInfo_PR_tdd;
servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nRFreqInfo.nRARFCN = 0; //instance_p->tdd_nRARFCN[i];
/* addition of Frequency Band List */
freq_band = calloc(1, sizeof(X2AP_FreqBandNrItem_t));
if (freq_band == NULL)
exit(1);
freq_band->freqBandIndicatorNr = 1; /* TODO: put correct value */
ASN_SEQUENCE_ADD(&servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nRFreqInfo.freqBandListNr, freq_band);
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 50:
//This is not correct. Just to be able to test X2 only using an eNB instead of gNB
servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb51;
break;
case 93 :
servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb93;
break;
case 106:
servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb106;
break;
case 121:
servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRNRB = X2AP_NRNRB_nrb121;
break;
/*More cases to be added */
default:
AssertFatal(0,"Failed: Check value for N_RB_DL/N_RB_UL");
break;
}
instance_p->nr_SCS[i] = 30; // Hardcoded for now. Normally this should originate from the gNB config file
switch (instance_p->nr_SCS[i]) {
case 15:
servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRSCS = X2AP_NRSCS_scs15;
break;
case 30:
servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRSCS = X2AP_NRSCS_scs30;
break;
case 60:
servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRSCS = X2AP_NRSCS_scs60;
break;
case 120:
servedCellMember->servedNRCellInfo.nrModeInfo.choice.tdd.nR_TxBW.nRSCS = X2AP_NRSCS_scs120;
break;
default:
AssertFatal(0,"Failed: Check value for nr_SCS");
break;
}
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,"nr_X2Setupresponse not supported for FDD!");
AssertFatal(0,"X2Setupresponse not supported for TDD!");
}
/*Don't know where to extract the value of measurementTimingConfiguration from. Set it to 0 for now */
INT8_TO_OCTET_STRING(0, &servedCellMember->servedNRCellInfo.measurementTimingConfiguration);
}
ASN_SEQUENCE_ADD(&ie_GNB_ENDC->value.choice.ServedNRcellsENDCX2ManagementList.list, servedCellMember);
ASN_SEQUENCE_ADD(&ie_ENB_ENDC->value.choice.ServedEUTRAcellsENDCX2ManagementList.list, servedCellMember);
}
}
ASN_SEQUENCE_ADD(&ie->value.choice.RespondingNodeType_EndcX2Setup.choice.respond_en_gNB.list, ie_GNB_ENDC);
ASN_SEQUENCE_ADD(&ie->value.choice.RespondingNodeType_EndcX2Setup.choice.respond_eNB.list, ie_ENB_ENDC);
ASN_SEQUENCE_ADD(&out->protocolIEs.list, ie);
......
openair2/X2AP/x2ap_eNB_generate_messages.h
View file @ 2e8b93ef
......@@ -66,8 +66,8 @@ 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);
int x2ap_gNB_generate_ENDC_x2_setup_request(x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p);
int x2ap_gNB_generate_ENDC_x2_setup_response( x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p);
int x2ap_eNB_generate_ENDC_x2_setup_response( x2ap_eNB_instance_t *instance_p, x2ap_eNB_data_t *x2ap_eNB_data_p);
#endif /* X2AP_ENB_GENERATE_MESSAGES_H_ */
openair2/X2AP/x2ap_eNB_handler.c
View file @ 2e8b93ef
......@@ -103,7 +103,7 @@ 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,
int x2ap_eNB_handle_ENDC_x2_setup_request(instance_t instance,
uint32_t assoc_id,
uint32_t stream,
X2AP_X2AP_PDU_t *pdu);
......@@ -153,7 +153,7 @@ x2ap_message_decoded_callback x2ap_messages_callback[][3] = {
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ x2ap_gNB_handle_ENDC_x2_setup_request, x2ap_gNB_handle_ENDC_x2_setup_response, 0 },
{ x2ap_eNB_handle_ENDC_x2_setup_request, x2ap_gNB_handle_ENDC_x2_setup_response, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 },
{ 0, 0, 0 }
......@@ -1324,7 +1324,7 @@ int x2ap_eNB_handle_senb_addition_request_reject (instance_t instance,
}
int
x2ap_gNB_handle_ENDC_x2_setup_request(instance_t instance,
x2ap_eNB_handle_ENDC_x2_setup_request(instance_t instance,
uint32_t assoc_id,
uint32_t stream,
X2AP_X2AP_PDU_t *pdu)
......@@ -1332,12 +1332,12 @@ x2ap_gNB_handle_ENDC_x2_setup_request(instance_t instance,
X2AP_ENDCX2SetupRequest_t *x2_ENDC_SetupRequest;
X2AP_ENDCX2SetupRequest_IEs_t *ie;
X2AP_ENB_ENDCX2SetupReqIEs_t *ie_ENB_ENDC;
ServedEUTRAcellsENDCX2ManagementList__Member *servedCellMember;
X2AP_En_gNB_ENDCX2SetupReqIEs_t *ie_GNB_ENDC;
ServedNRcellsENDCX2ManagementList__Member *servedCellMember;
x2ap_eNB_instance_t *instance_p;
x2ap_eNB_data_t *x2ap_eNB_data;
uint32_t eNB_id = 0;
uint32_t gNB_id = 0;
x2ap_eNB_data = NULL;
DevAssert (pdu != NULL);
......@@ -1372,37 +1372,25 @@ x2ap_gNB_handle_ENDC_x2_setup_request(instance_t instance,
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++) {
if (ie->value.choice.InitiatingNodeType_EndcX2Setup.choice.init_en_gNB.list.count > 0) {
ie_ENB_ENDC = (X2AP_ENB_ENDCX2SetupReqIEs_t*) ie->value.choice.InitiatingNodeType_EndcX2Setup.choice.init_eNB.list.array[i];
if (ie_ENB_ENDC == NULL ) {
for (int i=0; i<ie->value.choice.InitiatingNodeType_EndcX2Setup.choice.init_en_gNB.list.count;i++) {
ie_GNB_ENDC = (X2AP_En_gNB_ENDCX2SetupReqIEs_t*) ie->value.choice.InitiatingNodeType_EndcX2Setup.choice.init_eNB.list.array[i];
if (ie_GNB_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);
else if (ie_GNB_ENDC->id == X2AP_ProtocolIE_ID_id_Globalen_gNB_ID) {
if (ie_GNB_ENDC->value.choice.GlobalGNB_ID.gNB_ID.choice.gNB_ID.size!= 28) {
//TODO: handle case were size != 28 -> notify ? reject ?
}
X2AP_DEBUG("Adding eNB to the list of associated eNBs\n");
if ((x2ap_eNB_data = x2ap_is_eNB_id_in_list (eNB_id)) == NULL) {
OCTET_STRING_TO_INT32(&ie_GNB_ENDC->value.choice.GlobalGNB_ID.gNB_ID.choice.gNB_ID,gNB_id);
X2AP_DEBUG("gNB id: %07x\n", gNB_id);
X2AP_DEBUG("Adding gNB to the list of associated gNBs\n");
if ((x2ap_eNB_data = x2ap_is_eNB_id_in_list (gNB_id)) == NULL) {
/*
* eNB has not been found in list of associated eNB,
* * * * Add it to the tail of list and initialize data
......@@ -1414,7 +1402,7 @@ x2ap_gNB_handle_ENDC_x2_setup_request(instance_t instance,
return -1;
} else {
x2ap_eNB_data->state = X2AP_ENB_STATE_RESETTING;
x2ap_eNB_data->eNB_id = eNB_id;
x2ap_eNB_data->eNB_id = gNB_id;
}
} else {
x2ap_eNB_data->state = X2AP_ENB_STATE_RESETTING;
......@@ -1427,7 +1415,7 @@ x2ap_gNB_handle_ENDC_x2_setup_request(instance_t instance,
/*
* ??: 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);
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", gNB_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,
......@@ -1442,12 +1430,26 @@ x2ap_gNB_handle_ENDC_x2_setup_request(instance_t instance,
*/
}
}
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;
else if (ie_GNB_ENDC->id == X2AP_ProtocolIE_ID_id_ServedNRcellsENDCX2ManagementList){
if (ie_GNB_ENDC->value.choice.ServedNRcellsENDCX2ManagementList.list.count > 0) {
x2ap_eNB_data->num_cc = ie_GNB_ENDC->value.choice.ServedNRcellsENDCX2ManagementList.list.count;
for (int i=0; i<ie_GNB_ENDC->value.choice.ServedNRcellsENDCX2ManagementList.list.count;i++) {
servedCellMember = (ServedNRcellsENDCX2ManagementList__Member *)ie_GNB_ENDC->value.choice.ServedNRcellsENDCX2ManagementList.list.array[i];
x2ap_eNB_data->Nid_cell[i] = servedCellMember->servedNRCellInfo.nrpCI;
//servedCellMember->servedNRCellInfo.nrCellID.pLMN_Identity.buf[0]
if (servedCellMember->servedNRCellInfo.fiveGS_TAC != NULL) {
X2AP_INFO("TAC: %02x%02x%02x\n",
servedCellMember->servedNRCellInfo.fiveGS_TAC->buf[0],
servedCellMember->servedNRCellInfo.fiveGS_TAC->buf[1],
servedCellMember->servedNRCellInfo.fiveGS_TAC->buf[2]);
} else {
X2AP_INFO("TAC: (NULL)\n");
}
X2AP_INFO("PLMN: %02x%02x%02x\n",
servedCellMember->servedNRCellInfo.nrCellID.pLMN_Identity.buf[0],
servedCellMember->servedNRCellInfo.nrCellID.pLMN_Identity.buf[1],
servedCellMember->servedNRCellInfo.nrCellID.pLMN_Identity.buf[2]);
}
}
}
......@@ -1463,7 +1465,7 @@ x2ap_gNB_handle_ENDC_x2_setup_request(instance_t instance,
DevAssert(instance_p != NULL);
// Panos: Here we should be calling an ENDC specific setup response function
return x2ap_gNB_generate_ENDC_x2_setup_response(instance_p, x2ap_eNB_data);
return x2ap_eNB_generate_ENDC_x2_setup_response(instance_p, x2ap_eNB_data);
//return x2ap_eNB_generate_x2_setup_response(instance_p, x2ap_eNB_data);
}
......@@ -1476,12 +1478,12 @@ x2ap_gNB_handle_ENDC_x2_setup_response(instance_t instance,
X2AP_ENDCX2SetupResponse_t *x2_ENDC_SetupResponse;
X2AP_ENDCX2SetupResponse_IEs_t *ie;
X2AP_En_gNB_ENDCX2SetupReqAckIEs_t *ie_GNB_ENDC;
ServedNRcellsENDCX2ManagementList__Member *servedCellMember;
X2AP_ENB_ENDCX2SetupReqAckIEs_t *ie_ENB_ENDC;
ServedEUTRAcellsENDCX2ManagementList__Member *servedCellMember;
x2ap_eNB_instance_t *instance_p;
x2ap_eNB_data_t *x2ap_eNB_data;
uint32_t gNB_id = 0;
uint32_t eNB_id = 0;
x2ap_eNB_data = NULL;
DevAssert (pdu != NULL);
......@@ -1516,26 +1518,37 @@ x2ap_gNB_handle_ENDC_x2_setup_response(instance_t instance,
X2AP_ERROR("%s %d: ie is a NULL pointer \n",__FILE__,__LINE__);
return -1;
} else {
if (ie->value.choice.RespondingNodeType_EndcX2Setup.choice.respond_en_gNB.list.count > 0) {
if (ie->value.choice.RespondingNodeType_EndcX2Setup.choice.respond_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.RespondingNodeType_EndcX2Setup.choice.respond_en_gNB.list.count;i++) {
for (int i=0; i<ie->value.choice.RespondingNodeType_EndcX2Setup.choice.respond_eNB.list.count;i++) {
ie_GNB_ENDC = (X2AP_En_gNB_ENDCX2SetupReqAckIEs_t*) ie->value.choice.RespondingNodeType_EndcX2Setup.choice.respond_en_gNB.list.array[i];
if (ie_GNB_ENDC == NULL ) {
ie_ENB_ENDC = (X2AP_ENB_ENDCX2SetupReqAckIEs_t*) ie->value.choice.RespondingNodeType_EndcX2Setup.choice.respond_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_GNB_ENDC->id == X2AP_ProtocolIE_ID_id_Globalen_gNB_ID) {
if (ie_GNB_ENDC->value.choice.GlobalGNB_ID.gNB_ID.choice.gNB_ID.size!= 28) {
//TODO: handle case were size != 28 -> notify ? reject ?
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);
}
OCTET_STRING_TO_INT32(&ie_GNB_ENDC->value.choice.GlobalGNB_ID.gNB_ID.choice.gNB_ID,gNB_id);
X2AP_DEBUG("gNB id: %07x\n", gNB_id);
X2AP_DEBUG("Adding gNB to the list of associated gNBs\n");
if ((x2ap_eNB_data = x2ap_is_eNB_id_in_list (gNB_id)) == NULL) {
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
......@@ -1547,7 +1560,7 @@ x2ap_gNB_handle_ENDC_x2_setup_response(instance_t instance,
return -1;
} else {
x2ap_eNB_data->state = X2AP_ENB_STATE_RESETTING;
x2ap_eNB_data->eNB_id = gNB_id;
x2ap_eNB_data->eNB_id = eNB_id;
}
} else {
x2ap_eNB_data->state = X2AP_ENB_STATE_RESETTING;
......@@ -1560,7 +1573,7 @@ x2ap_gNB_handle_ENDC_x2_setup_response(instance_t instance,
/*
* ??: 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", gNB_id, x2ap_eNB_data->assoc_id, assoc_id);
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,
......@@ -1575,26 +1588,12 @@ x2ap_gNB_handle_ENDC_x2_setup_response(instance_t instance,
*/
}
}
else if (ie_GNB_ENDC->id == X2AP_ProtocolIE_ID_id_ServedNRcellsENDCX2ManagementList){
if (ie_GNB_ENDC->value.choice.ServedNRcellsENDCX2ManagementList.list.count > 0) {
x2ap_eNB_data->num_cc = ie_GNB_ENDC->value.choice.ServedNRcellsENDCX2ManagementList.list.count;
for (int i=0; i<ie_GNB_ENDC->value.choice.ServedNRcellsENDCX2ManagementList.list.count;i++) {
servedCellMember = (ServedNRcellsENDCX2ManagementList__Member *)ie_GNB_ENDC->value.choice.ServedNRcellsENDCX2ManagementList.list.array[i];
x2ap_eNB_data->Nid_cell[i] = servedCellMember->servedNRCellInfo.nrpCI;
//servedCellMember->servedNRCellInfo.nrCellID.pLMN_Identity.buf[0]
if (servedCellMember->servedNRCellInfo.fiveGS_TAC != NULL) {
X2AP_INFO("TAC: %02x%02x%02x\n",
servedCellMember->servedNRCellInfo.fiveGS_TAC->buf[0],
servedCellMember->servedNRCellInfo.fiveGS_TAC->buf[1],
servedCellMember->servedNRCellInfo.fiveGS_TAC->buf[2]);
} else {
X2AP_INFO("TAC: (NULL)\n");
}
X2AP_INFO("PLMN: %02x%02x%02x\n",
servedCellMember->servedNRCellInfo.nrCellID.pLMN_Identity.buf[0],
servedCellMember->servedNRCellInfo.nrCellID.pLMN_Identity.buf[1],
servedCellMember->servedNRCellInfo.nrCellID.pLMN_Identity.buf[2]);
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;
}
}
}
......@@ -1621,5 +1620,3 @@ x2ap_gNB_handle_ENDC_x2_setup_response(instance_t instance,
return 0;
}
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