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Commit 3058d2fc authored by Sakthivel Velumani's avatar Sakthivel Velumani
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Bearer context setup response message

parent b911e9db
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Showing with 337 additions and 76 deletions
openair2/E1AP/e1ap.c
View file @ 3058d2fc
......@@ -23,7 +23,9 @@
#include "e1ap.h"
e1ap_message_processing_t e1ap_message_processing[][3] = {
#define NUM_E1AP_MSG_HANDLERS 14
e1ap_message_processing_t e1ap_message_processing[NUM_E1AP_MSG_HANDLERS][3] = {
{ 0, 0, 0 } /* Reset */
{ 0, 0, 0 } /* ErrorIndication */
......@@ -33,7 +35,7 @@ e1ap_message_processing_t e1ap_message_processing[][3] = {
{ 0, 0, 0 } /* gNBCUUPConfigurationUpdate */
{ 0, 0, 0 } /* gNBCUCPConfigurationUpdate */
{ 0, 0, 0 } /* E1Release */
{ 0, 0, 0 } /* bearerContextSetup */
{ e1apCUUP_handle_BEARER_CONTEXT_SETUP_REQUEST, e1apCUCP_handle_BEARER_CONTEXT_SETUP_RESPONSE, e1apCUCP_handle_BEARER_CONTEXT_SETUP_FAILURE } /* bearerContextSetup */
{ 0, 0, 0 } /* bearerContextModification */
{ 0, 0, 0 } /* bearerContextModificationRequired */
{ 0, 0, 0 } /* bearerContextRelease */
......@@ -53,16 +55,15 @@ int e1ap_handle_message(instance_t instance, uint32_t assoc_id, int32_t stream,
int ret;
DevAssert(data != NULL);
if (f1ap_decode_pdu(&pdu, data, data_length) < 0) {
if (e1ap_decode_pdu(&pdu, data, data_length) < 0) {
LOG_E(E1AP, "Failed to decode PDU\n");
return -1;
}
/* Checking procedure Code and direction of message */
if (pdu.choice.initiatingMessage->procedureCode >=
sizeof(e1ap_messages_processing) /
(3 * sizeof(e1ap_message_processing_t))
|| (pdu.present > E1AP_E1AP_PDU_PR_unsuccessfulOutcome)) {
if ((pdu.choice.initiatingMessage->procedureCode >= NUM_MSG_HANDLERS)
|| (pdu.present > E1AP_E1AP_PDU_PR_unsuccessfulOutcome)
|| (pdu.present <= E1AP_E1AP_PDU_PR_NOTHING)) {
LOG_E(E1AP, "[SCTP %d] Either procedureCode %ld or direction %d exceed expected\n",
assoc_id, pdu.choice.initiatingMessage->procedureCode, pdu.present);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_E1AP_E1AP_PDU, &pdu);
......@@ -109,7 +110,7 @@ int e1ap_encode_send(bool isCu, instance_t instance, E1AP_E1AP_PDU_t *pdu, uint1
int ret = asn_check_constraints(&asn_DEF_E1AP_E1AP_PDU, pdu, errbuf, &errlen);
if(ret) {
fprintf(stderr, "%s: Constraint validation failed: %s\n", func, errbuf);
LOG_E(E1AP, "%s: Constraint validation failed: %s\n", func, errbuf);
}
void *buffer = NULL;
......@@ -182,8 +183,9 @@ int e1ap_send_ERROR_INDICATION(instance_t instance, E1AP_ErrorIndication_t *Erro
E1 Setup: can be sent on both ways, to be refined
*/
int e1apCUUP_send_SETUP_REQUEST(instance_t instance, E1AP_Reset_t *Reset) {
int e1apCUUP_send_SETUP_REQUEST(instance_t instance) {
E1AP_E1AP_PDU_t pdu = {0};
e1ap_setup_req_t *setup = &getCxt(UPtype, instance)->setupReq;
/* Create */
/* 0. pdu Type */
pdu.present = E1AP_E1AP_PDU_PR_initiatingMessage;
......@@ -198,21 +200,22 @@ int e1apCUUP_send_SETUP_REQUEST(instance_t instance, E1AP_Reset_t *Reset) {
ieC1->id = E1AP_ProtocolIE_ID_id_TransactionID;
ieC1->criticality = E1AP_Criticality_reject;
ieC1->value.present = E1AP_GNB_CU_UP_E1SetupRequestIEs__value_PR_TransactionID;
ieC1->value.choice.TransactionID = E1AP_get_next_transaction_identifier();
setup->transac_id = E1AP_get_next_transaction_identifier();
ieC1->value.choice.TransactionID = setup->transac_id;
/* mandatory */
/* c2. GNB_CU_ID (integer value) */
asn1cSequenceAdd(e1SetupUP->protocolIEs.list, E1AP_GNB_CU_UP_E1SetupRequestIEs_t, ieC2);
ieC2->id = E1AP_ProtocolIE_ID_id_gNB_CU_UP_ID;
ieC2->criticality = E1AP_Criticality_reject;
ieC2->value.present = E1AP_GNB_CU_UP_E1SetupRequestIEs__value_PR_GNB_CU_UP_ID;
asn_int642INTEGER(&ieC2->value.choice.GNB_CU_UP_ID, 0);
asn_int642INTEGER(&ieC2->value.choice.GNB_CU_UP_ID, setup->gNB_cu_up_id);
/* mandatory */
/* c4. CN Support */
asn1cSequenceAdd(e1SetupUP->protocolIEs.list, E1AP_GNB_CU_UP_E1SetupRequestIEs_t, ieC4);
iec4->id = E1AP_ProtocolIE_ID_id_CNSupport;
ieC4->criticality = E1AP_Criticality_reject;
iec4->value.present = E1AP_GNB_CU_UP_E1SetupRequestIEs__value_PR_CNSupport;
iec4->value.choice.CNSupport = E1AP_CNSupport_c_5gc;
iec4->value.choice.CNSupport = setup->cn_support;
/* mandatory */
/* c5. Supported PLMNs */
......@@ -221,18 +224,19 @@ int e1apCUUP_send_SETUP_REQUEST(instance_t instance, E1AP_Reset_t *Reset) {
iec5->criticality = E1AP_Criticality_reject;
iec5->value.present = E1AP_GNB_CU_UP_E1SetupRequestIEs__value_PR_SupportedPLMNs_List;
int numSupportedPLMNs = 1;
int numSupportedPLMNs = setup->supported_plmns;
for (int i=0; i < numSupportedPLMNs; i++) {
asn1cSequenceAdd(iec5->value.choice.SupportedPLMNs_List.list, E1AP_SupportedPLMNs_Item_t, supportedPLMN);
/* 5.1 PLMN Identity */
OCTET_STRING_fromBuf(&supportedPLMN->pLMN_Identity, "OAI", strlen("OAI"));
MCC_MNC_TO_PLMNID(setup->plmns[i].mcc, setup->plmns[i].mnc, setup->plmns[i].mnc_digit_length);
}
e1ap_encode_send(0, instance, pdu, 0, __func__);
}
int e1apCUCP_send_SETUP_RESPONSE(instance_t instance) {
int e1apCUCP_send_SETUP_RESPONSE(instance_t instance,
e1ap_setup_resp_t *e1ap_setup_resp) {
E1AP_E1AP_PDU_t pdu = {0};
/* Create */
/* 0. pdu Type */
......@@ -248,12 +252,12 @@ int e1apCUCP_send_SETUP_RESPONSE(instance_t instance) {
ieC1->id = E1AP_ProtocolIE_ID_id_TransactionID;
ieC1->criticality = E1AP_Criticality_reject;
ieC1->value.present = E1AP_GNB_CU_UP_E1SetupResponseIEs__value_PR_TransactionID;
ieC1->value.choice.TransactionID = //get this from stored transaction IDs in CU
ieC1->value.choice.TransactionID = e1ap_setup_resp->transac_id;
e1ap_encode_send(0, instance, pdu, 0, __func__);
}
int e1apCUCP_send_SETUP_FAILURE() {
int e1apCUCP_send_SETUP_FAILURE(e1ap_setup_resp_t *e1ap_setup_resp) {
E1AP_E1AP_PDU_t pdu = {0};
/* Create */
/* 0. pdu Type */
......@@ -269,7 +273,7 @@ int e1apCUCP_send_SETUP_FAILURE() {
ieC1->id = E1AP_ProtocolIE_ID_id_TransactionID;
ieC1->criticality = E1AP_Criticality_reject;
ieC1->value.present = E1AP_GNB_CU_UP_E1SetupResponseIEs__value_PR_TransactionID;
ieC1->value.choice.TransactionID = //get this from stored transaction IDs in CU
ieC1->value.choice.TransactionID = e1ap_setup_resp->transac_id;
/* mandatory */
/* c2. cause (integer value) */
asn1cSequenceAdd(out->protocolIEs.list, E1AP_GNB_CU_UP_E1SetupFailureIEs, ieC2);
......@@ -284,7 +288,6 @@ int e1apCUCP_send_SETUP_FAILURE() {
int e1apCUCP_handle_SETUP_REQUEST(instance_t instance,
uint32_t assoc_id,
uint32_t stream,
E1AP_E1AP_PDU_t *pdu) {
E1AP_GNB_CU_UP_E1SetupRequestIEs_t *ie;
......@@ -324,8 +327,12 @@ int e1apCUCP_handle_SETUP_REQUEST(instance_t instance,
E1AP_SupportedPLMNs_Item_t *supported_plmn_item = (E1AP_SupportedPLMNs_Item_t *)(ie->value.choice.SupportedPLMNs_List.list.array[i]);
/* PLMN Identity */
PLMN_TO_MCC_MNC(&supported_plmn_item.pLMN_Identity,
req->plmns[i].mcc,
req->plmns[i].mnc,
req->plmns[i].mnc_digit_length);
OCTET_STRING_TO_INT16(supported_plmn_item.pLMN_Identity, req->plmns[i].id);
LOG_D(E1AP, "PLMN %d ID: %d\n", i, req->plmns[i].id);
LOG_D(E1AP, "MCC: %d\nMNC: %d\n", req->plmns[i].mcc, req->plmns[i].mnc);
}
/* Create ITTI message and send to queue */
......@@ -333,8 +340,6 @@ int e1apCUCP_handle_SETUP_REQUEST(instance_t instance,
}
int e1apCUUP_handle_SETUP_RESPONSE(instance_t instance,
uint32_t assoc_id,
uint32_t stream,
E1AP_E1AP_PDU_t *pdu) {
LOG_D(E1AP, "%s\n", __func__);
AssertFatal(pdu->present == E1AP_E1AP_PDU_PR_successfulOutcome,
......@@ -361,8 +366,6 @@ int e1apCUUP_handle_SETUP_RESPONSE(instance_t instance,
}
int e1apCUUP_handle_SETUP_FAILURE(instance_t instance,
uint32_t assoc_id,
uint32_t stream,
E1AP_E1AP_PDU_t *pdu) {
E1AP_GNB_CU_UP_E1SetupFailureIEs_t *ie;
DevAssert(pdu != NULL);
......@@ -495,9 +498,9 @@ int e1ap_handle_RELEASE_ACKNOWLEDGE(instance_t instance,
BEARER CONTEXT SETUP REQUEST
*/
int e1apCUCP_send_BEARER_CONTEXT_SETUP_REQUEST(instance_t instance) {
int e1apCUCP_send_BEARER_CONTEXT_SETUP_REQUEST(instance_t instance,
e1ap_bearer_setup_t bearerCxt) {
E1AP_E1AP_PDU_t pdu = {0};
e1ap_bearer_setup_req_t bearerCxt = &getCxt(CPtype, instance)->bearerSetupReq;
/* Create */
/* 0. pdu Type */
pdu.present = E1AP_E1AP_PDU_PR_initiatingMessage;
......@@ -551,103 +554,223 @@ int e1apCUCP_send_BEARER_CONTEXT_SETUP_REQUEST(instance_t instance) {
if (0) { // EUTRAN
ieC6->System_BearerContextSetupRequest.present = E1AP_System_BearerContextSetupRequest_PR_e_UTRAN_BearerContextSetupRequest;
E1AP_EUTRAN_BearerContextSetupRequest_t *msgEUTRAN = calloc(1, sizeof(E1AP_EUTRAN_BearerContextSetupRequest_t));
ieC6->System_BearerContextSetupRequest.choice.e_UTRAN_BearerContextSetupRequest = (E1AP_ProtocolIE_Container *) msgEUTRAN;
msgEUTRAN.id = E1AP_ProtocolIE_ID_id_DRB_To_Setup_List_EUTRAN;
msgEUTRAN->value.present = E1AP_EUTRAN_BearerContextSetupRequest__value_PR_DRB_To_Setup_List_EUTRAN;
E1AP_DRB_To_Setup_List_EUTRAN_t *drb2Setup = &msgEUTRAN->value.choice.DRB_To_Setup_List_EUTRAN;
for (int i=0; i < bearerCxt->numDRBs; i++) {
for (drb_to_setup_t *i=bearerCxt->DRBList; i < bearerCxt->DRBList+bearerCxt->numDRBs; i++) {
asn1cSequenceAdd(drb2Setup->list, E1AP_DRB_To_Setup_Item_EUTRAN, ieC6_1);
ieC6_1->dRB_ID = bearerCxt->DRBList[i].drbId;
ieC6_1->dRB_ID = i->drbId;
ieC6_1->pDPC_Configuration.pDCP_SN_Size_UL = bearerCxt->DRBList[i].pDCP_SN_Size_UL;
ieC6_1->pDPC_Configuration.pDCP_SN_Size_DL = bearerCxt->DRBList[i].pDCP_SN_Size_DL;
ieC6_1->pDPC_Configuration.rLC_Mode = bearerCxt->DRBList[i].rLC_Mode;
ieC6_1->pDPC_Configuration.pDCP_SN_Size_UL = i->pDCP_SN_Size_UL;
ieC6_1->pDPC_Configuration.pDCP_SN_Size_DL = i->pDCP_SN_Size_DL;
ieC6_1->pDPC_Configuration.rLC_Mode = i->rLC_Mode;
ieC6_1->eUTRAN_QoS.qCI = bearerCxt->DRBList[i].qci;
ieC6_1->eUTRAN_QoS.eUTRANallocationAndRetentionPriority.priorityLevel = bearerCxt->DRBList[i].qosPriorityLevel;
ieC6_1->eUTRAN_QoS.eUTRANallocationAndRetentionPriority.pre_emptionCapability = bearerCxt->DRBList[i].preEmptionCapability;
ieC6_1->eUTRAN_QoS.eUTRANallocationAndRetentionPriority.pre_emptionVulnerability = bearerCxt->DRBList[i].preEmptionVulnerability;
ieC6_1->eUTRAN_QoS.qCI = i->qci;
ieC6_1->eUTRAN_QoS.eUTRANallocationAndRetentionPriority.priorityLevel = i->qosPriorityLevel;
ieC6_1->eUTRAN_QoS.eUTRANallocationAndRetentionPriority.pre_emptionCapability = i->preEmptionCapability;
ieC6_1->eUTRAN_QoS.eUTRANallocationAndRetentionPriority.pre_emptionVulnerability = i->preEmptionVulnerability;
ieC6_1->s1_UL_UP_TNL_Information.present = E1AP_UP_TNL_Information_PR_gTPTunnel;
asn1cCalloc(ieC6_1->s1_UL_UP_TNL_Information.choice.gTPTunnel, gTPTunnel);
TRANSPORT_LAYER_ADDRESS_IPv4_TO_BIT_STRING(bearerCxt->DRBList[i].tlAddress, &gTPTunnel->transportLayerAddress);
INT32_TO_OCTET_STRING(bearerCxt->DRBList[i].teId, &gTPTunnel->gTP_TEID);
TRANSPORT_LAYER_ADDRESS_IPv4_TO_BIT_STRING(i->tlAddress, &gTPTunnel->transportLayerAddress);
INT32_TO_OCTET_STRING(i->teId, &gTPTunnel->gTP_TEID);
for (int j=0; j < bearerCxt->DRBList[i].numCellGroups; j++) {
for (cell_group_t *j=i->cellGroupList; j < i->cellGroupList+i->numCellGroups; j++) {
asn1cSequenceAdd(ieC6_1->cell_Group_Information.list, E1AP_Cell_Group_Information_Item, ieC6_1_1);
ieC6_1_1->cell_Group_ID = bearerCxt->DRBList[i].cellGroupList[j].id;
ieC6_1_1->cell_Group_ID = j->id;
}
}
ieC6->System_BearerContextSetupRequest.choice.e_UTRAN_BearerContextSetupRequest = (E1AP_ProtocolIE_Container *) msgEUTRAN;
} else {
/* mandatory */
/* */
ieC6->System_BearerContextSetupRequest.present = E1AP_System_BearerContextSetupRequest_PR_nG_RAN_BearerContextSetupRequest;
E1AP_NG_RAN_BearerContextSetupRequest_t *msgNGRAN = calloc(1, sizeof(E1AP_NG_RAN_BearerContextSetupRequest_t));
ieC6->System_BearerContextSetupRequest.choice.nG_RAN_BearerContextSetupRequest = (E1AP_ProtocolIE_Container *) msgNGRAN;
msgNGRAN->id = E1AP_ProtocolIE_ID_id_PDU_Session_Resource_To_Setup_List;
msgNGRAN->value.present = E1AP_NG_RAN_BearerContextSetupRequest__value_PR_PDU_Session_Resource_To_Setup_List;
E1AP_PDU_Session_Resource_To_Setup_List_t *pdu2Setup = &msgNGRAN->value.choice.PDU_Session_Resource_To_Setup_List;
for(int i=0; i < bearerCxt->numPDUSessions; i++) {
for(pdu_session_to_setup_t *i=bearerCxt->pduSession; i < bearerCxt->pduSession+bearerCxt->numPDUSessions; i++) {
asn1cSequenceAdd(pdu2Setup->list, E1AP_PDU_Session_Resource_To_Setup_Item, ieC6_1);
ieC6_1->pDU_Session_ID = bearerCxt->pduSession[i].sessionId;
ieC6_1->pDU_Session_ID = i->sessionId;
ieC6_1->pDU_Session_Type = bearerCxt->pduSession[i].sessionType;
ieC6_1->pDU_Session_Type = i->sessionType;
INT32_TO_OCTET_STRING(bearerCxt->pduSession[i].sst, &ieC6_1->sNSSAI.sST);
INT32_TO_OCTET_STRING(i->sst, &ieC6_1->sNSSAI.sST);
ieC6_1->securityIndication.integrityProtectionIndication = bearerCxt->pduSession[i].integrityProtectionIndication;
ieC6_1->securityIndication.confidentialityProtectionIndication = bearerCxt->pduSession[i].confidentialityProtectionIndication;
ieC6_1->securityIndication.integrityProtectionIndication = i->integrityProtectionIndication;
ieC6_1->securityIndication.confidentialityProtectionIndication = i->confidentialityProtectionIndication;
ieC6_1->nG_UL_UP_TNL_Information.present = E1AP_UP_TNL_Information_PR_gTPTunnel;
asn1cCalloc(ieC6_1->nG_UL_UP_TNL_Information.choice.gTPTunnel, gTPTunnel);
TRANSPORT_LAYER_ADDRESS_IPv4_TO_BIT_STRING(bearerCxt->pduSession[i].tlAddress, &gTPTunnel->transportLayerAddress);
INT32_TO_OCTET_STRING(bearerCxt->pduSession[i].teId, &gTPTunnel->gTP_TEID);
TRANSPORT_LAYER_ADDRESS_IPv4_TO_BIT_STRING(i->tlAddress, &gTPTunnel->transportLayerAddress);
INT32_TO_OCTET_STRING(i->teId, &gTPTunnel->gTP_TEID);
for (int j=0; j < bearerCxt->pduSession[i].numDRB2Setup; j++) {
for (DRB_nGRAN_to_setup_t *j=i->DRBnGRanList; j < i->DRBnGRanList+i->numDRB2Setup; j++) {
asn1cSequenceAdd(ieC6_1->dRB_To_Setup_List_NG_RAN.list, E1AP_DRB_To_Setup_Item_NG_RAN, ieC6_1_1);
ieC6_1_1->dRB_ID = bearerCxt->pduSession[i].DRBnGRanList[j].id;
ieC6_1_1->dRB_ID = j->id;
ieC6_1_1->sDAP_Configuration.defaultDRB = bearerCxt->pduSession[i].DRBnGRanList[j].defaultDRB;
ieC6_1_1->sDAP_Configuration.sDAP_Header_UL = bearerCxt->pduSession[i].DRBnGRanList[j].sDAP_Header_UL;
ieC6_1_1->sDAP_Configuration.sDAP_Header_DL = bearerCxt->pduSession[i].DRBnGRanList[j].sDAP_Header_DL;
ieC6_1_1->sDAP_Configuration.defaultDRB = j->defaultDRB;
ieC6_1_1->sDAP_Configuration.sDAP_Header_UL = j->sDAP_Header_UL;
ieC6_1_1->sDAP_Configuration.sDAP_Header_DL = j->sDAP_Header_DL;
for (int k=0; k < bearerCxt->pduSession[i].DRBnGRanList[j].numCellGroups; k++) {
for (cell_group_t *k=j->cellGroupList; k < j->cellGroupList+numCellGroups; k++) {
asn1cSequenceAdd(ieC6_1_1->cell_Group_Information.list, E1AP_Cell_Group_Information_Item, ieC6_1_1_1);
ieC6_1_1_1->cell_Group_ID = bearerCxt->pduSession[i].DRBnGRanList[j].cellGroupList[k].id;
ieC6_1_1_1->cell_Group_ID = k->id;
}
for (int k=0; k < bearerCxt->pduSession[i].DRBnGRanList[j].numQosFlowSetup; k++) {
for (qos_flow_to_setup_t *k=j->qosFlows; k < j->qosFlows+j->numQosFlow2Setup; k++) {
asn1cSequenceAdd(ieC6_1_1->qos_flow_Information_To_Be_Setup, E1AP_QoS_Flow_QoS_Parameter_Item, ieC6_1_1_1);
ieC6_1_1_1->qoS_Flow_Identifier = bearerCxt->pduSession[i].DRBnGRanList[j].qosFlows[k].id;
ieC6_1_1_1->qoS_Flow_Identifier = k->id;
if (0) { // non Dynamic 5QI
ieC6_1_1_1->qoSFlowLevelQoSParameters.qoS_Characteristics.present = E1AP_QoS_Characteristics_PR_non_Dynamic_5QI;
asn1cCalloc(ieC6_1_1_1->qoSFlowLevelQoSParameters.qoS_Characteristics.choice.non_Dynamic_5QI, non_Dynamic_5QI);
non_Dynamic_5QI->fiveQI = bearerCxt->pduSession[i].DRBnGRanList[j].qosFlows[k].fiveQI;
non_Dynamic_5QI->fiveQI = k->fiveQI;
} else { // dynamic 5QI
ieC6_1_1_1->qoSFlowLevelQoSParameters.qoS_Characteristics.present = E1AP_QoS_Characteristics_PR_dynamic_5QI;
asn1cCalloc(ieC6_1_1_1->qoSFlowLevelQoSParameters.qoS_Characteristics.choice.dynamic_5QI, dynamic_5QI);
dynamic_5QI->qoSPriorityLevel = bearerCxt->pduSession[i].DRBnGRanList[j].qosFlows[k].qoSPriorityLevel;
dynamic_5QI->packetDelayBudget = bearerCxt->pduSession[i].DRBnGRanList[j].qosFlows[k].packetDelayBudget;
dynamic_5QI->packetErrorRate.pER_Scalar = bearerCxt->pduSession[i].DRBnGRanList[j].qosFlows[k].packetError_scalar;
dynamic_5QI->packetErrorRate.pER_Exponent = bearerCxt->pduSession[i].DRBnGRanList[j].qosFlows[k].packetError_exponent;
dynamic_5QI->qoSPriorityLevel = k->qoSPriorityLevel;
dynamic_5QI->packetDelayBudget = k->packetDelayBudget;
dynamic_5QI->packetErrorRate.pER_Scalar = k->packetError_scalar;
dynamic_5QI->packetErrorRate.pER_Exponent = k->packetError_exponent;
}
ieC6_1_1_1->qoSFlowLevelQoSParameters.nGRANallocationRetentionPriority.priorityLevel = bearerCxt->pduSession[i].DRBnGRanList[j].qosFlows[k].priorityLevel;
ieC6_1_1_1->qoSFlowLevelQoSParameters.nGRANallocationRetentionPriority.pre_emptionCapability = bearerCxt->pduSession[i].DRBnGRanList[j].qosFlows[k].pre_emptionCapability;
ieC6_1_1_1->qoSFlowLevelQoSParameters.nGRANallocationRetentionPriority.pre_emptionVulnerability = bearerCxt->pduSession[i].DRBnGRanList[j].qosFlows[k].pre_emptionVulnerability;
ieC6_1_1_1->qoSFlowLevelQoSParameters.nGRANallocationRetentionPriority.priorityLevel = k->priorityLevel;
ieC6_1_1_1->qoSFlowLevelQoSParameters.nGRANallocationRetentionPriority.pre_emptionCapability = k->pre_emptionCapability;
ieC6_1_1_1->qoSFlowLevelQoSParameters.nGRANallocationRetentionPriority.pre_emptionVulnerability = k->pre_emptionVulnerability;
}
}
}
ieC6->System_BearerContextSetupRequest.choice.nG_RAN_BearerContextSetupRequest = (E1AP_ProtocolIE_Container *) msgNGRAN;
}
e1ap_encode_send(0, instance, pdu, 0, __func__);
}
int e1apCUUP_send_BEARER_CONTEXT_SETUP_RESPONSE(instance_t instance) {
AssertFatal(false,"Not implemented yet\n");
int e1apCUUP_send_BEARER_CONTEXT_SETUP_RESPONSE(instance_t instance,
e1ap_bearer_setup_resp_t *resp) {
E1AP_E1AP_PDU_t pdu = {0};
/* Create */
/* 0. pdu Type */
pdu.present = E1AP_E1AP_PDU_PR_successfulOutcome;
asn1cCalloc(pdu.choice.initiatingMessage, msg);
msg->procedureCode = E1AP_ProcedureCode_id_bearerContextSetup;
msg->criticality = E1AP_Criticality_reject;
msg->value.present = E1AP_SuccessfulOutcome__value_PR_BearerContextSetupResponse;
E1AP_BearerContextSetupRequest_t *out = &pdu.choice.initiatingMessage->value.choice.BearerContextSetupResponse;
/* mandatory */
/* c1. gNB-CU-CP UE E1AP ID */
asn1cSequenceAdd(out->protocolIEs.list, E1AP_BearerContextSetupResponseIEs, ieC1);
ieC1->id = E1AP_ProtocolIE_ID_id_gNB_CU_CP_UE_E1AP_ID;
ieC1->criticality = E1AP_Criticality_reject;
ieC1->value.present = E1AP_BearerContextSetupResponseIEs__value_PR_GNB_CU_CP_UE_E1AP_ID;
ieC1->value.choice.GNB_CU_CP_UE_E1AP_ID = resp->gNB_cu_cp_ue_id;
/* mandatory */
/* c2. gNB-CU-UP UE E1AP ID */
asn1cSequenceAdd(out->protocolIEs.list, E1AP_BearerContextSetupResponseIEs, ieC2);
ieC2->id = E1AP_ProtocolIE_ID_id_gNB_CU_UP_UE_E1AP_ID;
ieC2->criticality = E1AP_Criticality_reject;
ieC2->value.present = E1AP_BearerContextSetupResponseIEs__value_PR_GNB_CU_UP_UE_E1AP_ID;
ieC1->value.choice.GNB_CU_CP_UE_E1AP_ID = resp->gNB_cu_up_ue_id;
asn1cSequenceAdd(out->protocolIEs.list, E1AP_BearerContextSetupResponseIEs, ieC3);
ieC3->id = E1AP_ProtocolIE_ID_id_System_BearerContextSetupRequest;
ieC3->criticality = E1AP_Criticality_reject;
if (0) { // EUTRAN
ieC3->System_BearerContextSetupResponse.present = E1AP_System_BearerContextSetupResponse_PR_e_UTRAN_BearerContextSetupResponse;
E1AP_EUTRAN_BearerContextSetupResponse_t *msgEUTRAN = calloc(1, sizeof(E1AP_EUTRAN_BearerContextSetupResponse_t));
ieC3->System_BearerContextSetupResponse.choice.e_UTRAN_BearerContextSetupResponse = (E1AP_ProtocolIE_Container *) msgEUTRAN;
msgEUTRAN.id = E1AP_ProtocolIE_ID_id_DRB_Setup_List_EUTRAN;
msgEUTRAN.criticality = E1AP_Criticality_reject;
msgEUTRAN->value.present = E1AP_EUTRAN_BearerContextSetupResponse__value_PR_DRB_Setup_List_EUTRAN;
E1AP_DRB_Setup_List_EUTRAN_t *drbSetup = &msgEUTRAN->value.choice.DRB_Setup_List_EUTRAN;
for (drb_setup_t *i=resp->DRBList; i < resp->DRBList+resp->numDRBs; i++) {
asn1cSequenceAdd(drbSetup->list, E1AP_DRB_Setup_Item_EUTRAN, ieC3_1);
ieC3_1->dRB_ID = i->drbId;
ieC3_1->s1_DL_UP_TNL_Information.present = E1AP_UP_TNL_Information_PR_gTPTunnel;
asn1cCalloc(ieC3_1->s1_UL_UP_TNL_Information.choice.gTPTunnel, gTPTunnel);
TRANSPORT_LAYER_ADDRESS_IPv4_TO_BIT_STRING(i->tlAddress, &gTPTunnel->transportLayerAddress);
INT32_TO_OCTET_STRING(i->teId, &gTPTunnel->gTP_TEID);
for (up_params_t *j=i->UpParamList; j < i->UpParamList+i->numUpParam; j++) {
asn1cSequenceAdd(ieC3_1->uL_UP_Transport_Parameters.list, E1AP_UP_Parameters_Item, ieC3_1_1);
ieC3_1_1->uP_TNL_Information.present = E1AP_UP_TNL_Information_PR_gTPTunnel;
asn1cCalloc(ieC3_1_1->uP_TNL_Information.choice.gTPTunnel, gTPTunnel);
TRANSPORT_LAYER_ADDRESS_IPv4_TO_BIT_STRING(j->tlAddress, &gTPTunnel->transportLayerAddress);
INT32_TO_OCTET_STRING(j->teId, &gTPTunnel->gTP_TEID);
}
}
} else {
ieC3->System_BearerContextSetupResponse.present = E1AP_System_BearerContextSetupResponse_PR_nG_RAN_BearerContextSetupResponse;
E1AP_NG_RAN_BearerContextSetupResponse_t *msgEUTRAN = calloc(1, sizeof(E1AP_NG_RAN_BearerContextSetupResponse_t));
ieC3->System_BearerContextSetupResponse.choice.nG_RAN_BearerContextSetupResponse = (E1AP_ProtocolIE_Container *) msgNGRAN;
msgNGRAN.id = E1AP_ProtocolIE_ID_id_DRB_Setup_List_EUTRAN;
msgNGRAN.criticality = E1AP_Criticality_reject;
msgNGRAN->value.present = E1AP_NG_RAN_BearerContextSetupResponse__value_PR_PDU_Session_Resource_Setup_List;
E1AP_PDU_Session_Resource_Setup_List_t *pduSetup = &msgNGRAN->value.choice.PDU_Session_Resource_Setup_List;
for (pdu_session_setup_t *i=resp->pduSession; i < resp->pduSession+resp->numPDUSessions; i++) {
asn1cSequenceAdd(pduSetup->list, E1AP_PDU_Session_Resource_Setup_Item, ieC3_1);
ieC3_1->pDU_Session_ID = i->id;
ieC3_1->nG_DL_UP_TNL_Information.present = E1AP_UP_TNL_Information_PR_gTPTunnel;
asn1cCalloc(ieC3_1->nG_DL_UP_TNL_Information.choice.gTPTunnel, gTPTunnel);
TRANSPORT_LAYER_ADDRESS_IPv4_TO_BIT_STRING(i->tlAddress, &gTPTunnel->transportLayerAddress);
INT32_TO_OCTET_STRING(i->teId, &gTPTunnel->gTP_TEID);
for (DRB_nGRAN_setup_t *j=i->DRBnGRanList; j < i->DRBnGRanList+i->numDRBSetup; j++) {
asn1cSequenceAdd(ieC3_1->dRB_Setup_List_NG_RAN.list, E1AP_DRB_Setup_Item_NG_RAN, ieC3_1_1);
ieC3_1_1->dRB_ID = j->id;
for (up_params_t *k=j->UpParamList; k < j->UpParamList+j->numUpParam; k++) {
asn1cSequenceAdd(ieC3_1_1->uL_UP_Transport_Parameters.list, E1AP_UP_Parameters_Item, ieC3_1_1_1);
ieC3_1_1->uP_TNL_Information.present = E1AP_UP_TNL_Information_PR_gTPTunnel;
asn1cCalloc(ieC3_1_1->uP_TNL_Information.choice.gTPTunnel, gTPTunnel);
TRANSPORT_LAYER_ADDRESS_IPv4_TO_BIT_STRING(k->tlAddress, &gTPTunnel->transportLayerAddress);
INT32_TO_OCTET_STRING(k->teId, &gTPTunnel->gTP_TEID);
}
for (qos_flow_setup_t *k=j->qosFlows; k < j->qosFlows+j->numQosFlowSetup; k++) {
asn1cSequenceAdd(ieC3_1_1->qos_flow_Information_To_Be_Setup, E1AP_QoS_Flow_QoS_Parameter_Item, ieC3_1_1_1);
ieC3_1_1_1->qoS_Flow_Identifier = k->id;
}
}
E1AP_DRB_Failed_List_NG_RAN *failedDRBList = calloc(1, sizeof(E1AP_DRB_Failed_List_NG_RAN));
for (DRB_nGRAN_failed_t *j=i->DRBnGRanFailedList; j < i->DRBnGRanFailedList+i->numDRBFailed; j++) {
asn1cSequenceAdd(ieC3_1->dRB_Failed_List_NG_RAN->list, E1AP_DRB_Failed_Item_NG_RAN, ieC3_1_1);
ieC3_1_1->dRB_ID = j->id;
ieC3_1_1->cause.present = j->cause_type;
switch (ieC3_1_1->cause.present) {
case E1AP_Cause_PR_radioNetwork:
ieC3_1_1->cause.choice.radioNetwork = j->cause;
break;
case E1AP_Cause_PR_transport:
ieC3_1_1->cause.choice.transport = j->cause;
break;
case E1AP_Cause_PR_protocol:
ieC3_1_1->cause.choice.protocol = j->cause;
break;
case E1AP_Cause_PR_misc:
ieC3_1_1->cause.choice.misc = j->cause;
break;
default:
LOG_E(E1AP, "DRB setup failure cause out of expected range\n");
break;
}
}
}
}
e1ap_encode_send(0, instance, pdu, 0, __func__);
}
int e1apCUUP_send_BEARER_CONTEXT_SETUP_FAILURE(instance_t instance) {
......@@ -655,8 +778,6 @@ int e1apCUUP_send_BEARER_CONTEXT_SETUP_FAILURE(instance_t instance) {
}
int e1apCUUP_handle_BEARER_CONTEXT_SETUP_REQUEST(instance_t instance,
uint32_t assoc_id,
uint32_t stream,
E1AP_E1AP_PDU_t *pdu) {
DevAssert(pdu != NULL);
AssertFatal(pdu->present == E1AP_E1AP_PDU_PR_initiatingMessage,
......@@ -668,7 +789,7 @@ int e1apCUUP_handle_BEARER_CONTEXT_SETUP_REQUEST(instance_t instance,
AssertFatal(pdu->choice.initiatingMessage->value.present == E1AP_InitiatingMessage__value_PR_BearerContextSetupRequest,
"initiatingMessage->value.present != E1AP_InitiatingMessage__value_PR_BearerContextSetupRequest\n");
E1AP_GNB_CU_CP_E1SetupRequest_t *in = pdu->choice.initiatingMessage->value.choice.BearerContextSetupRequest;
E1AP_BearerContextSetupRequest_t *in = pdu->choice.initiatingMessage->value.choice.BearerContextSetupRequest;
E1AP_GNB_CU_CP_E1SetupRequestIEs_t *ie;
e1ap_bearer_setup_req_t bearerCxt = &getCxt(CPtype, instance)->bearerSetupReq;
......@@ -723,6 +844,10 @@ int e1apCUUP_handle_BEARER_CONTEXT_SETUP_REQUEST(instance_t instance,
break;
// TODO: remaining IE handlers
default:
LOG_E(E1AP, "Handle for this IE is not implemented (or) invalid IE detected\n");
break;
}
}
......@@ -734,7 +859,46 @@ int e1apCUCP_handle_BEARER_CONTEXT_SETUP_RESPONSE(instance_t instance,
uint32_t assoc_id,
uint32_t stream,
E1AP_E1AP_PDU_t *pdu) {
AssertFatal(false,"Not implemented yet\n");
AssertFatal(pdu->present == E1AP_E1AP_PDU_PR_successfulOutcome,
"pdu->present != E1AP_E1AP_PDU_PR_successfulOutcome\n");
AssertFatal(pdu->choice.initiatingMessage->procedureCode == E1AP_ProcedureCode_id_bearerContextSetup,
"procedureCode != E1AP_ProcedureCode_id_bearerContextSetup\n");
AssertFatal(pdu->choice.initiatingMessage->criticality == E1AP_Criticality_reject,
"criticality != E1AP_Criticality_reject\n");
AssertFatal(pdu->choice.initiatingMessage->value.present == E1AP_SuccessfulOutcome__value_PR_BearerContextSetupResponse,
"initiatingMessage->value.present != E1AP_InitiatingMessage__value_PR_BearerContextSetupRequest\n");
E1AP_BearerContextSetupResponse_t *in = pdu->choice.initiatingMessage->value.choice.BearerContextSetupRequest;
E1AP_GNB_CU_CP_E1SetupRequestIEs_t *ie;
e1ap_bearer_setup_req_t bearerCxt = &getCxt(CPtype, instance)->bearerSetupResp;
MessageDef *msg = itti_alloc_new_message(TASK_CUCP_E1, 0, E1AP_BEARER_CONTEXT_SETUP_RESP);
LOG_I(E1AP, "Bearer context setup response number of IEs %d\n", in.protocolIEs.list.count);
for (int i=0; i < in.protocolIEs.list.count; i++) {
ie = in.protocolIEs.list.array[i];
switch(ie->id) {
case E1AP_ProtocolIE_ID_id_gNB_CU_UP_UE_E1AP_ID:
AssertFatal(ie->criticality == E1AP_Criticality_reject,
"ie->criticality != E1AP_Criticality_reject\n");
AssertFatal(ie->value.present == E1AP_BearerContextSetupRequestIEs__value_PR_GNB_CU_UP_UE_E1AP_ID,
"ie->value.present != E1AP_BearerContextSetupRequestIEs__value_PR_GNB_CU_UP_UE_E1AP_ID\n");
bearerCxt.gNB_cu_up_ue_id = ie->value.choice.GNB_CU_UP_UE_E1AP_ID;
break;
// TODO: remaining IE handlers
default:
LOG_E(E1AP, "Handle for this IE is not implemented (or) invalid IE detected\n");
break;
}
}
init_send_msg_to_task(TASK_RRC_GNB, instance, msg);
}
int e1apCUCP_handle_BEARER_CONTEXT_SETUP_FAILURE(instance_t instance,
......
openair2/E1AP/e1ap_common.c
View file @ 3058d2fc
......@@ -77,3 +77,42 @@ E1AP_TransactionID_t E1AP_get_next_transaction_identifier() {
return genTransacId;
}
int e1ap_decode_pdu(E1AP_E1AP_PDU_t *pdu, const uint8_t *const buffer, uint32_t length) {
asn_dec_rval_t dec_ret;
DevAssert(buffer != NULL);
dec_ret = aper_decode(NULL,
&asn_DEF_F1AP_F1AP_PDU,
(void **)&pdu,
buffer,
length,
0,
0);
if (asn1_decoder_xer_print) {
LOG_E(F1AP, "----------------- ASN1 DECODER PRINT START----------------- \n");
xer_fprint(stdout, &asn_DEF_E1AP_E1AP_PDU, pdu);
LOG_E(F1AP, "----------------- ASN1 DECODER PRINT END ----------------- \n");
}
if (dec_ret.code != RC_OK) {
AssertFatal(1==0,"Failed to decode pdu\n");
return -1;
}
switch(pdu->present) {
case E1AP_E1AP_PDU_PR_initiatingMessage:
return e1ap_decode_initiating_message(pdu);
case E1AP_E1AP_PDU_PR_successfulOutcome:
return e1ap_decode_successful_outcome(pdu);
case E1AP_E1AP_PDU_PR_unsuccessfulOutcome:
return e1ap_decode_unsuccessful_outcome(pdu);
default:
LOG_E(E1AP, "Unknown presence (%d) or not implemented\n", (int)pdu->present);
break;
}
return -1;
}
openair2/E1AP/e1ap_common.h
View file @ 3058d2fc
......@@ -40,7 +40,9 @@ typedef int (*e1ap_message_processing_t)(
};
typedef struct PLMN_ID_s {
int id;
int mcc;
int mnc;
int mnc_digit_length;
} PLMN_ID_t;
typedef struct e1ap_setup_req_s {
......@@ -55,8 +57,13 @@ typedef struct e1ap_setup_req_s {
uint16_t default_sctp_stream_id;
f1ap_net_ip_address_t CUUP_e1_ip_address;
f1ap_net_ip_address_t CUCP_e1_ip_address;
E1AP_CNSupport_t cn_support;
} e1ap_setup_req_t;
typedef struct e1ap_setup_resp_s {
long transac_id;
} e1ap_setup_resp_t;
typedef struct cell_group_s {
long id;
} cell_group_t;
......@@ -83,6 +90,9 @@ typedef struct qos_flow_to_setup_s {
long packetDelayBudget;
long packetError_scalar;
long packetError_exponent;
E1AP_PriorityLevel_t priorityLevel;
E1AP_Pre_emptionCapability_t pre_emptionCapability;
E1AP_Pre_emptionVulnerability_t pre_emptionVulnerability;
} qos_flow_to_setup_t;
typedef struct DRB_nGRAN_to_setup_s {
......@@ -94,9 +104,6 @@ typedef struct DRB_nGRAN_to_setup_s {
cell_group_t cellGroupList[MAX_NUM_CELL_GROUPS];
int numQosFlowSetup;
qos_flow_to_setup_t qosFlows[MAX_NUM_QOS_FLOWS];
E1AP_PriorityLevel_t priorityLevel;
E1AP_Pre_emptionCapability_t pre_emptionCapability;
E1AP_Pre_emptionVulnerability_t pre_emptionVulnerability;
} DRB_nGRAN_to_setup_t;
typedef struct pdu_session_to_setup_s {
......@@ -123,10 +130,61 @@ typedef struct e1ap_bearer_setup_req_s {
pdu_session_to_setup_t pduSession[MAX_NUM_PDU_SESSIONS];
} e1ap_bearer_setup_req_t;
typedef struct up_params_s {
in_addr_t tlAddress;
long teId;
} up_params_t;
typedef struct drb_setup_s {
int drbId;
in_addr_t tlAddress;
ling teId;
int numUpParam;
up_params_t UpParamList[MAX_NUM_UP_PARAM];
} drb_setup_t;
typedef struct qos_flow_setup_s {
long id;
} qos_flow_setup_t;
typedef struct DRB_nGRAN_setup_s {
long id;
int numUpParam;
up_params_t UpParamList[MAX_NUM_UP_PARAM];
int numQosFlowSetup;
qos_flow_setup_t qosFlows[MAX_NUM_QOS_FLOWS];
} DRB_nGRAN_setup_t;
typedef struct DRB_nGRAN_failed_s {
long id;
long cause_type;
long cause;
} DRB_nGRAN_failed_t;
typedef struct pdu_session_setup_s {
long id;
in_addr_t tlAddress;
long teId;
int numDRBSetup;
DRB_nGRAN_setup_t DRBnGRanList[MAX_NUM_NGRAN_DRB];
int numDRBFailed;
DRB_nGRAN_failed_t DRBnGRanFailedList[MAX_NUM_NGRAN_DRB];
} pdu_session_setup_t;
typedef struct e1ap_bearer_setup_resp_s {
uint64_t gNB_cu_cp_ue_id;
uint64_t gNB_cu_up_ue_id;
int numDRBs;
drb_setup_t DRBList[MAX_NUM_DRBS];
int numPDUSessions;
} e1ap_bearer_setup_resp_t;
typedef struct e1ap_upcp_inst_s {
uint32_t assoc_id;
e1ap_setup_req_t setupReq;
e1ap_bearer_setup_req_t bearerSetupReq;
e1ap_bearer_setup_resp_t bearerSetupResp;
} e1ap_upcp_inst_t;
typedef enum {
......
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