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Commit b5e13204 authored by Sakthivel Velumani's avatar Sakthivel Velumani
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Send UL UP address via F1 UE cxt mod msg

parent ecfd0fe2
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Showing with 259 additions and 32 deletions
openair2/COMMON/e1ap_messages_types.h
View file @ b5e13204
......@@ -35,6 +35,8 @@
#define E1AP_MAX_NUM_DRBS 4
#define E1AP_MAX_NUM_DRBS 4
#define E1AP_MAX_NUM_UP_PARAM 4
#define E1AP_GTP_INST_N3 10
#define E1AP_GTP_INST_F1U 11
#define E1AP_SETUP_REQ(mSGpTR) (mSGpTR)->ittiMsg.e1ap_setup_req
#define E1AP_SETUP_RESP(mSGpTR) (mSGpTR)->ittiMsg.e1ap_setup_resp
......@@ -75,6 +77,12 @@ typedef struct cell_group_s {
long id;
} cell_group_t;
typedef struct up_params_s {
in_addr_t tlAddress;
long teId;
int cell_group_id;
} up_params_t;
typedef struct drb_to_setup_s {
long drbId;
long pDCP_SN_Size_UL;
......@@ -115,6 +123,8 @@ typedef struct DRB_nGRAN_to_setup_s {
long rLC_Mode;
in_addr_t tlAddress;
int teId;
int numDlUpParam;
up_params_t DlUpParamList[E1AP_MAX_NUM_UP_PARAM];
int numCellGroups;
cell_group_t cellGroupList[E1AP_MAX_NUM_CELL_GROUPS];
int numQosFlow2Setup;
......@@ -135,10 +145,13 @@ typedef struct pdu_session_to_setup_s {
int tl_port_dl;
long numDRB2Setup;
DRB_nGRAN_to_setup_t DRBnGRanList[E1AP_MAX_NUM_NGRAN_DRB];
long numDRB2Modify;
DRB_nGRAN_to_setup_t DRBnGRanModList[E1AP_MAX_NUM_NGRAN_DRB];
} pdu_session_to_setup_t;
typedef struct e1ap_bearer_setup_req_s {
uint64_t gNB_cu_cp_ue_id;
uint64_t gNB_cu_up_ue_id;
rnti_t rnti;
uint64_t cipheringAlgorithm;
uint64_t integrityProtectionAlgorithm;
......@@ -151,13 +164,10 @@ typedef struct e1ap_bearer_setup_req_s {
drb_to_setup_t DRBList[E1AP_MAX_NUM_DRBS];
int numPDUSessions;
pdu_session_to_setup_t pduSession[E1AP_MAX_NUM_PDU_SESSIONS];
int numPDUSessionsMod;
pdu_session_to_setup_t pduSessionMod[E1AP_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;
......@@ -205,6 +215,8 @@ typedef struct e1ap_bearer_setup_resp_s {
typedef struct e1ap_upcp_inst_s {
uint32_t assoc_id;
instance_t gtpInstN3;
instance_t gtpInstF1U;
e1ap_setup_req_t setupReq;
e1ap_bearer_setup_req_t bearerSetupReq;
e1ap_bearer_setup_resp_t bearerSetupResp;
......
openair2/E1AP/e1ap.c
View file @ b5e13204
......@@ -40,7 +40,7 @@ e1ap_message_processing_t e1ap_message_processing[E1AP_NUM_MSG_HANDLERS][3] = {
{ 0, 0, 0 }, /* gNBCUCPConfigurationUpdate */
{ 0, 0, 0 }, /* E1Release */
{ e1apCUUP_handle_BEARER_CONTEXT_SETUP_REQUEST, e1apCUCP_handle_BEARER_CONTEXT_SETUP_RESPONSE, e1apCUCP_handle_BEARER_CONTEXT_SETUP_FAILURE }, /* bearerContextSetup */
{ 0, 0, 0 }, /* bearerContextModification */
{ e1apCUUP_handle_BEARER_CONTEXT_MODIFICATION_REQUEST, 0, 0 }, /* bearerContextModification */
{ 0, 0, 0 }, /* bearerContextModificationRequired */
{ 0, 0, 0 }, /* bearerContextRelease */
{ 0, 0, 0 }, /* bearerContextReleaseRequired */
......@@ -1048,7 +1048,7 @@ int e1apCUCP_handle_BEARER_CONTEXT_SETUP_RESPONSE(instance_t instance,
AssertFatal(pdu->nG_DL_UP_TNL_Information.present == E1AP_UP_TNL_Information_PR_gTPTunnel,
"pdu->nG_DL_UP_TNL_Information.present != E1AP_UP_TNL_Information_PR_gTPTunnel\n");
BIT_STRING_TO_TRANSPORT_LAYER_ADDRESS_IPv4(&pdu->nG_DL_UP_TNL_Information.choice.gTPTunnel->transportLayerAddress,
pduSetup->tlAddress);
pduSetup->tlAddress);
OCTET_STRING_TO_INT32(&pdu->nG_DL_UP_TNL_Information.choice.gTPTunnel->gTP_TEID,
pduSetup->teId);
}
......@@ -1059,6 +1059,24 @@ int e1apCUCP_handle_BEARER_CONTEXT_SETUP_RESPONSE(instance_t instance,
E1AP_DRB_Setup_Item_NG_RAN_t *drb = pdu->dRB_Setup_List_NG_RAN.list.array[j];
drbSetup->id = drb->dRB_ID;
drbSetup->numUpParam = drb->uL_UP_Transport_Parameters.list.count;
for (int k=0; k < drb->uL_UP_Transport_Parameters.list.count; k++) {
up_params_t *UL_UP_param = drbSetup->UpParamList + k;
E1AP_UP_Parameters_Item_t *in_UL_UP_param = drb->uL_UP_Transport_Parameters.list.array[k];
AssertFatal(in_UL_UP_param->uP_TNL_Information.present == E1AP_UP_TNL_Information_PR_gTPTunnel,
"in_UL_UP_param->uP_TNL_Information.present != E1AP_UP_TNL_Information_PR_gTPTunnel\n");
E1AP_GTPTunnel_t *gTPTunnel = in_UL_UP_param->uP_TNL_Information.choice.gTPTunnel;
if (gTPTunnel) {
BIT_STRING_TO_TRANSPORT_LAYER_ADDRESS_IPv4(&gTPTunnel->transportLayerAddress,
UL_UP_param->tlAddress);
OCTET_STRING_TO_INT32(&gTPTunnel->gTP_TEID,
UL_UP_param->teId);
} else {
AssertFatal(false, "gTPTunnel information in required\n");
}
}
}
}
break;
......@@ -1087,9 +1105,76 @@ int e1apCUCP_handle_BEARER_CONTEXT_SETUP_FAILURE(instance_t instance,
*/
int e1apCUCP_send_BEARER_CONTEXT_MODIFICATION_REQUEST(instance_t instance,
e1ap_bearer_setup_req_t *req) {
AssertFatal(false,"Not implemented yet\n");
return -1;
e1ap_bearer_setup_req_t *bearerCxt) {
E1AP_E1AP_PDU_t pdu = {0};
/* Create */
/* 0. pdu Type */
e1ap_setup_req_t *setup = &getCxtE1(CPtype, instance)->setupReq;
if (!setup) {
LOG_E(E1AP, "got send_BEARER_CONTEXT_MODIFICATION_REQUEST on not established instance (%ld)\n", instance);
return -1;
}
pdu.present = E1AP_E1AP_PDU_PR_initiatingMessage;
asn1cCalloc(pdu.choice.initiatingMessage, msg);
msg->procedureCode = E1AP_ProcedureCode_id_bearerContextModification;
msg->criticality = E1AP_Criticality_reject;
msg->value.present = E1AP_InitiatingMessage__value_PR_BearerContextModificationRequest;
E1AP_BearerContextModificationRequest_t *out = &pdu.choice.initiatingMessage->value.choice.BearerContextModificationRequest;
/* mandatory */
/* c1. gNB-CU-CP UE E1AP ID */
asn1cSequenceAdd(out->protocolIEs.list, E1AP_BearerContextModificationRequestIEs_t, ieC1);
ieC1->id = E1AP_ProtocolIE_ID_id_gNB_CU_CP_UE_E1AP_ID;
ieC1->criticality = E1AP_Criticality_reject;
ieC1->value.present = E1AP_BearerContextModificationRequestIEs__value_PR_GNB_CU_CP_UE_E1AP_ID;
ieC1->value.choice.GNB_CU_CP_UE_E1AP_ID = bearerCxt->gNB_cu_cp_ue_id;
/* mandatory */
/* c2. gNB-CU-UP UE E1AP ID */
asn1cSequenceAdd(out->protocolIEs.list, E1AP_BearerContextModificationRequestIEs_t, ieC2);
ieC2->id = E1AP_ProtocolIE_ID_id_gNB_CU_UP_UE_E1AP_ID;
ieC2->criticality = E1AP_Criticality_reject;
ieC2->value.present = E1AP_BearerContextModificationRequestIEs__value_PR_GNB_CU_UP_UE_E1AP_ID;
ieC2->value.choice.GNB_CU_UP_UE_E1AP_ID = bearerCxt->gNB_cu_cp_ue_id;
/* optional */
/* */
asn1cSequenceAdd(out->protocolIEs.list, E1AP_BearerContextModificationRequestIEs_t, ieC3);
ieC3->id = E1AP_ProtocolIE_ID_id_System_BearerContextModificationRequest;
ieC3->criticality = E1AP_Criticality_reject;
ieC3->value.present = E1AP_BearerContextModificationRequestIEs__value_PR_System_BearerContextModificationRequest;
ieC3->value.choice.System_BearerContextModificationRequest.present = E1AP_System_BearerContextModificationRequest_PR_nG_RAN_BearerContextModificationRequest;
E1AP_ProtocolIE_Container_4932P26_t *msgNGRAN_list = calloc(1, sizeof(E1AP_ProtocolIE_Container_4932P26_t));
ieC3->value.choice.System_BearerContextModificationRequest.choice.nG_RAN_BearerContextModificationRequest = (struct E1AP_ProtocolIE_Container *) msgNGRAN_list;
asn1cSequenceAdd(msgNGRAN_list->list, E1AP_NG_RAN_BearerContextModificationRequest_t, msgNGRAN);
msgNGRAN->id = E1AP_ProtocolIE_ID_id_PDU_Session_Resource_To_Modify_List;
msgNGRAN->criticality = E1AP_Criticality_reject;
msgNGRAN->value.present = E1AP_NG_RAN_BearerContextModificationRequest__value_PR_PDU_Session_Resource_To_Modify_List;
E1AP_PDU_Session_Resource_To_Modify_List_t *pdu2Setup = &msgNGRAN->value.choice.PDU_Session_Resource_To_Modify_List;
for(pdu_session_to_setup_t *i=bearerCxt->pduSessionMod; i < bearerCxt->pduSessionMod+bearerCxt->numPDUSessionsMod; i++) {
asn1cSequenceAdd(pdu2Setup->list, E1AP_PDU_Session_Resource_To_Modify_Item_t, ieC3_1);
ieC3_1->pDU_Session_ID = i->sessionId;
for (DRB_nGRAN_to_setup_t *j=i->DRBnGRanModList; j < i->DRBnGRanModList+i->numDRB2Modify; j++) {
asn1cCalloc(ieC3_1->dRB_To_Modify_List_NG_RAN, drb2Mod_List);
asn1cSequenceAdd(drb2Mod_List->list, E1AP_DRB_To_Modify_Item_NG_RAN_t, drb2Mod);
drb2Mod->dRB_ID = j->id;
if (j->numDlUpParam > 0) {
asn1cCalloc(drb2Mod->dL_UP_Parameters, DL_UP_Param_List);
for (up_params_t *k=j->DlUpParamList; k < j->DlUpParamList+j->numDlUpParam; k++) {
asn1cSequenceAdd(DL_UP_Param_List->list, E1AP_UP_Parameters_Item_t, DL_UP_Param);
DL_UP_Param->uP_TNL_Information.present = E1AP_UP_TNL_Information_PR_gTPTunnel;
asn1cCalloc(DL_UP_Param->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);
DL_UP_Param->cell_Group_ID = k->cell_group_id;
}
}
}
}
e1ap_encode_send(CPtype, instance, &pdu, 0, __func__);
return 0;
}
int e1apCUUP_send_BEARER_CONTEXT_MODIFICATION_RESPONSE(instance_t instance) {
......@@ -1103,11 +1188,115 @@ int e1apCUUP_send_BEARER_CONTEXT_MODIFICATION_FAILURE(instance_t instance) {
}
int e1apCUUP_handle_BEARER_CONTEXT_MODIFICATION_REQUEST(instance_t instance,
uint32_t assoc_id,
uint32_t stream,
E1AP_E1AP_PDU_t *pdu) {
AssertFatal(false,"Not implemented yet\n");
return -1;
e1ap_upcp_inst_t *e1_inst = getCxtE1(UPtype, instance);
if (!e1_inst) {
LOG_E(E1AP, "got BEARER_CONTEXT_MODIFICATION_REQUEST on not established instance (%ld)\n", instance);
return -1;
}
DevAssert(pdu != NULL);
AssertFatal(pdu->present == E1AP_E1AP_PDU_PR_initiatingMessage,
"pdu->present != E1AP_E1AP_PDU_PR_initiatingMessage\n");
AssertFatal(pdu->choice.initiatingMessage->procedureCode == E1AP_ProcedureCode_id_bearerContextModification,
"procedureCode != E1AP_ProcedureCode_id_bearerContextModification\n");
AssertFatal(pdu->choice.initiatingMessage->criticality == E1AP_Criticality_reject,
"criticality != E1AP_Criticality_reject\n");
AssertFatal(pdu->choice.initiatingMessage->value.present == E1AP_InitiatingMessage__value_PR_BearerContextModificationRequest,
"initiatingMessage->value.present != E1AP_InitiatingMessage__value_PR_BearerContextModificationRequest\n");
E1AP_BearerContextModificationRequest_t *in = &pdu->choice.initiatingMessage->value.choice.BearerContextModificationRequest;
E1AP_BearerContextModificationRequestIEs_t *ie;
MessageDef *msg = itti_alloc_new_message(TASK_CUUP_E1, 0, E1AP_BEARER_CONTEXT_MODIFICATION_REQ);
e1ap_bearer_setup_req_t *bearerCxt = &E1AP_BEARER_CONTEXT_SETUP_REQ(msg);
LOG_I(E1AP, "Bearer context setup 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_CP_UE_E1AP_ID:
AssertFatal(ie->criticality == E1AP_Criticality_reject,
"ie->criticality != E1AP_Criticality_reject\n");
AssertFatal(ie->value.present == E1AP_BearerContextModificationRequestIEs__value_PR_GNB_CU_CP_UE_E1AP_ID,
"ie->value.present != E1AP_BearerContextModificationRequestIEs__value_PR_GNB_CU_CP_UE_E1AP_ID\n");
bearerCxt->gNB_cu_cp_ue_id = ie->value.choice.GNB_CU_CP_UE_E1AP_ID;
break;
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_BearerContextModificationRequestIEs__value_PR_GNB_CU_UP_UE_E1AP_ID,
"ie->value.present != E1AP_BearerContextModificationRequestIEs__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;
case E1AP_ProtocolIE_ID_id_System_BearerContextModificationRequest:
AssertFatal(ie->criticality == E1AP_Criticality_reject,
"ie->criticality != E1AP_Criticality_reject\n");
AssertFatal(ie->value.present == E1AP_BearerContextModificationRequestIEs__value_PR_System_BearerContextModificationRequest,
"ie->value.present != E1AP_BearerContextModificationRequestIEs__value_PR_System_BearerContextModificationRequest\n");
AssertFatal(ie->value.choice.System_BearerContextModificationRequest.present ==
E1AP_System_BearerContextModificationRequest_PR_nG_RAN_BearerContextModificationRequest,
"ie->value.choice.System_BearerContextSetupRequest.present !="
"E1AP_System_BearerContextModificationRequest_PR_nG_RAN_BearerContextModificationRequest\n");
AssertFatal(ie->value.choice.System_BearerContextModificationRequest.choice.nG_RAN_BearerContextModificationRequest,
"nG_RAN_BearerContextModificationRequest is NULL\n");
E1AP_ProtocolIE_Container_4932P26_t *msgNGRAN_list = (E1AP_ProtocolIE_Container_4932P26_t *) ie->value.choice.System_BearerContextModificationRequest.choice.nG_RAN_BearerContextModificationRequest;
E1AP_NG_RAN_BearerContextModificationRequest_t *msgNGRAN = msgNGRAN_list->list.array[0];
AssertFatal(msgNGRAN_list->list.count == 1, "nG_RAN_BearerContextModificationRequest supports only 1 count for now\n");
AssertFatal(msgNGRAN->id == E1AP_ProtocolIE_ID_id_PDU_Session_Resource_To_Modify_List,
"msgNGRAN->id (%ld) != E1AP_ProtocolIE_ID_id_PDU_Session_Resource_To_Modify_List\n", msgNGRAN->id);
AssertFatal(msgNGRAN->value.present =
E1AP_NG_RAN_BearerContextModificationRequest__value_PR_PDU_Session_Resource_To_Modify_List,
"msgNGRAN->value.present != E1AP_NG_RAN_BearerContextModificationRequest__value_PR_PDU_Session_Resource_To_Modify_List\n");
E1AP_PDU_Session_Resource_To_Modify_List_t *pdu2ModList = &msgNGRAN->value.choice.PDU_Session_Resource_To_Modify_List;
bearerCxt->numPDUSessionsMod = pdu2ModList->list.count;
for (int i=0; i < pdu2ModList->list.count; i++) {
pdu_session_to_setup_t *pdu = bearerCxt->pduSessionMod + i;
E1AP_PDU_Session_Resource_To_Modify_Item_t *pdu2Mod = pdu2ModList->list.array[i];
pdu->sessionId = pdu2Mod->pDU_Session_ID;
E1AP_DRB_To_Modify_List_NG_RAN_t *drb2ModList = pdu2Mod->dRB_To_Modify_List_NG_RAN;
pdu->numDRB2Modify = drb2ModList->list.count;
for (int j=0; j < drb2ModList->list.count; j++) {
DRB_nGRAN_to_setup_t *drb = pdu->DRBnGRanModList + j;
E1AP_DRB_To_Modify_Item_NG_RAN_t *drb2Mod = drb2ModList->list.array[j];
drb->id = drb2Mod->dRB_ID;
E1AP_UP_Parameters_t *dl_up_paramList = drb2Mod->dL_UP_Parameters;
drb->numDlUpParam = dl_up_paramList->list.count;
for (int k=0; k < dl_up_paramList->list.count; k++) {
up_params_t *dl_up_param = drb->DlUpParamList + k;
E1AP_UP_Parameters_Item_t *dl_up_param_in = dl_up_paramList->list.array[k];
if (dl_up_param_in->uP_TNL_Information.choice.gTPTunnel) { // Optional IE
AssertFatal(dl_up_param_in->uP_TNL_Information.present = E1AP_UP_TNL_Information_PR_gTPTunnel,
"dl_up_param_in->uP_TNL_Information.present != E1AP_UP_TNL_Information_PR_gTPTunnel\n");
BIT_STRING_TO_TRANSPORT_LAYER_ADDRESS_IPv4(&dl_up_param_in->uP_TNL_Information.choice.gTPTunnel->transportLayerAddress,
dl_up_param->tlAddress);
OCTET_STRING_TO_INT32(&dl_up_param_in->uP_TNL_Information.choice.gTPTunnel->gTP_TEID, dl_up_param->teId);
} else {
AssertFatal(false, "gTPTunnel IE is missing. It is mandatory at this point\n");
}
dl_up_param->cell_group_id = dl_up_param_in->cell_Group_ID;
}
}
}
break;
default:
LOG_E(E1AP, "Handle for this IE is not implemented (or) invalid IE detected\n");
break;
}
}
itti_send_msg_to_task(TASK_RRC_GNB, instance, msg);
return 0;
}
int e1apCUCP_handle_BEARER_CONTEXT_MODIFICATION_RESPONSE(instance_t instance,
......
openair2/E1AP/e1ap.h
View file @ b5e13204
......@@ -53,6 +53,9 @@ int e1apCUCP_handle_BEARER_CONTEXT_SETUP_RESPONSE(instance_t instance,
int e1apCUCP_handle_BEARER_CONTEXT_SETUP_FAILURE(instance_t instance,
E1AP_E1AP_PDU_t *pdu);
int e1apCUUP_handle_BEARER_CONTEXT_MODIFICATION_REQUEST(instance_t instance,
E1AP_E1AP_PDU_t *pdu);
void *E1AP_CUUP_task(void *arg);
void *E1AP_CUCP_task(void *arg);
openair2/E1AP/e1ap_common.c
View file @ b5e13204
......@@ -51,11 +51,12 @@ void createE1inst(E1_t type, instance_t instance, e1ap_setup_req_t *req) {
if (type == CPtype) {
AssertFatal(e1ap_cp_inst[instance] == NULL, "Double call to E1 CP instance %d\n", (int)instance);
e1ap_cp_inst[instance] = (e1ap_upcp_inst_t *) calloc(1, sizeof(e1ap_upcp_inst_t));
memcpy(&e1ap_cp_inst[instance]->setupReq, req, sizeof(e1ap_setup_req_t));
} else if (type == UPtype) {
AssertFatal(e1ap_up_inst[instance] == NULL, "Double call to E1 UP instance %d\n", (int)instance);
e1ap_up_inst[instance] = (e1ap_upcp_inst_t *) calloc(1, sizeof(e1ap_upcp_inst_t));
memcpy(&e1ap_up_inst[instance]->setupReq, req, sizeof(e1ap_setup_req_t));
e1ap_up_inst[instance]->gtpInstN3 = E1AP_GTP_INST_N3;
e1ap_up_inst[instance]->gtpInstF1U = E1AP_GTP_INST_F1U;
} else {
AssertFatal(false, "Unknown CU type\n");
}
......@@ -121,6 +122,9 @@ int e1ap_decode_initiating_message(E1AP_E1AP_PDU_t *pdu) {
case E1AP_ProcedureCode_id_bearerContextSetup:
break;
case E1AP_ProcedureCode_id_bearerContextModification:
break;
default:
LOG_E(E1AP, "Unsupported procedure code (%d) for initiating message\n",
(int)pdu->choice.initiatingMessage->procedureCode);
......
openair2/E1AP/e1ap_common.h
View file @ b5e13204
......@@ -53,6 +53,10 @@
#include <E1AP_DRB-To-Setup-Item-NG-RAN.h>
#include <E1AP_Cell-Group-Information-Item.h>
#include <E1AP_PDU-Session-Resource-To-Setup-Item.h>
#include <E1AP_PDU-Session-Resource-To-Modify-List.h>
#include <E1AP_PDU-Session-Resource-To-Modify-Item.h>
#include <E1AP_DRB-To-Modify-List-NG-RAN.h>
#include <E1AP_DRB-To-Modify-Item-NG-RAN.h>
#include <E1AP_GTPTunnel.h>
#include <E1AP_Non-Dynamic5QIDescriptor.h>
#include <E1AP_Dynamic5QIDescriptor.h>
......
openair2/RRC/NR/rrc_gNB.c
View file @ b5e13204
......@@ -3597,27 +3597,28 @@ static void rrc_CU_process_ue_context_setup_response(MessageDef *msg_p, const ch
}
static void update_UL_UP_tunnel_info(e1ap_bearer_setup_req_t *req, instance_t instance, ue_id_t ue_id) {
for (int i=0; i < req->numPDUSessions; i++) {
for (int j=0; j < req->pduSession[i].numDRB2Setup; j++) {
DRB_nGRAN_to_setup_t *drb_p = req->pduSession[i].DRBnGRanList + j;
for (int i=0; i < req->numPDUSessionsMod; i++) {
for (int j=0; j < req->pduSessionMod[i].numDRB2Modify; j++) {
DRB_nGRAN_to_setup_t *drb_p = req->pduSessionMod[i].DRBnGRanModList + j;
transport_layer_addr_t newRemoteAddr;
newRemoteAddr.length = 32; // IPv4
memcpy(newRemoteAddr.buffer,
&drb_p->tlAddress,
&drb_p->DlUpParamList[0].tlAddress,
sizeof(in_addr_t));
GtpuUpdateTunnelOutgoingPair(instance,
ue_id,
(ebi_t)drb_p->id,
drb_p->teId,
drb_p->DlUpParamList[0].teId,
newRemoteAddr);
}
}
}
void rrc_CUUP_process_bearer_context_mod_req(e1ap_bearer_setup_req_t *req, instance_t instance) {
update_UL_UP_tunnel_info(req, instance, req->gNB_cu_cp_ue_id);
instance_t gtpInst = getCxtE1(UPtype, instance)->gtpInstF1U;
update_UL_UP_tunnel_info(req, gtpInst, req->gNB_cu_cp_ue_id);
// TODO: send bearer cxt mod response
}
......@@ -3652,18 +3653,19 @@ static void rrc_CU_process_ue_context_modification_response(MessageDef *msg_p, c
MessageDef *msg_e1 = itti_alloc_new_message(TASK_CUCP_E1, instance, E1AP_BEARER_CONTEXT_MODIFICATION_REQ);
e1ap_bearer_setup_req_t *req = &E1AP_BEARER_CONTEXT_SETUP_REQ(msg_e1);
req->numPDUSessions = ue_context_p->ue_context.nb_of_pdusessions;
req->numPDUSessionsMod = ue_context_p->ue_context.nb_of_pdusessions;
req->gNB_cu_cp_ue_id = ue_context_p->ue_context.gNB_ue_ngap_id;
req->rnti = ue_context_p->ue_context.rnti;
for (int i=0; i < req->numPDUSessions; i++) {
req->pduSession[i].numDRB2Setup = resp->drbs_to_be_setup_length;
for (int i=0; i < req->numPDUSessionsMod; i++) {
req->pduSessionMod[i].numDRB2Modify = resp->drbs_to_be_setup_length;
for (int j=0; j < resp->drbs_to_be_setup_length; j++) {
f1ap_drb_to_be_setup_t *drb_f1 = resp->drbs_to_be_setup + j;
DRB_nGRAN_to_setup_t *drb_e1 = req->pduSession[i].DRBnGRanList + j;
DRB_nGRAN_to_setup_t *drb_e1 = req->pduSessionMod[i].DRBnGRanModList + j;
drb_e1->id = drb_f1->drb_id;
drb_e1->tlAddress = drb_f1->up_dl_tnl[0].tl_address;
drb_e1->teId = drb_f1->up_dl_tnl[0].teid;
drb_e1->numDlUpParam = drb_f1->up_dl_tnl_length;
drb_e1->DlUpParamList[0].tlAddress = drb_f1->up_dl_tnl[0].tl_address;
drb_e1->DlUpParamList[0].teId = drb_f1->up_dl_tnl[0].teid;
}
}
......@@ -4167,7 +4169,8 @@ void rrc_gNB_process_e1_bearer_context_setup_req(e1ap_bearer_setup_req_t *req, i
gtpv1u_gnb_create_tunnel_resp_t create_tunnel_resp_N3={0};
// GTP tunnel for UL
drb_config_N3gtpu_create_e1(req, &create_tunnel_resp_N3, instance);
instance_t gtpInst = getCxtE1(UPtype, instance)->gtpInstN3;
drb_config_N3gtpu_create_e1(req, &create_tunnel_resp_N3, gtpInst);
MessageDef *message_p;
message_p = itti_alloc_new_message (TASK_RRC_GNB, instance, E1AP_BEARER_CONTEXT_SETUP_RESP);
......@@ -4175,10 +4178,12 @@ void rrc_gNB_process_e1_bearer_context_setup_req(e1ap_bearer_setup_req_t *req, i
int remote_port = RC.nrrrc[ctxt.module_id]->eth_params_s.remote_portd;
in_addr_t my_addr;
memcpy(&my_addr,
&getCxtE1(UPtype, instance)->setupReq.CUUP_e1_ip_address.ipv4_address,
sizeof(my_addr));
gNB_CU_create_up_ul_tunnel(resp, req, instance, req->gNB_cu_cp_ue_id, remote_port, my_addr);
inet_pton(AF_INET,
getCxtE1(UPtype, instance)->setupReq.CUUP_e1_ip_address.ipv4_address,
&my_addr);
gtpInst = getCxtE1(UPtype, instance)->gtpInstF1U;
gNB_CU_create_up_ul_tunnel(resp, req, gtpInst, req->gNB_cu_cp_ue_id, remote_port, my_addr);
resp->gNB_cu_cp_ue_id = req->gNB_cu_cp_ue_id;
resp->numPDUSessions = req->numPDUSessions;
......@@ -4278,6 +4283,11 @@ void bearer_context_setup_e1ap(e1ap_bearer_setup_req_t *req, instance_t instance
// create ITTI msg and send to CUCP E1 task to send via SCTP
// then in CUUP the function rrc_gNB_process_e1_bearer_context_setup_req
rrc_gNB_ue_context_t *ue_context_p = rrc_gNB_get_ue_context(RC.nrrrc[GNB_INSTANCE_TO_MODULE_ID(instance)], req->rnti);
protocol_ctxt_t ctxt = {0};
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, 0, GNB_FLAG_YES, ue_context_p->ue_context.rnti, 0, 0, 0);
fill_DRB_configList(&ctxt, ue_context_p);
MessageDef *msg_p = itti_alloc_new_message(TASK_CUCP_E1, instance, E1AP_BEARER_CONTEXT_SETUP_REQ);
e1ap_bearer_setup_req_t *bearer_req = &E1AP_BEARER_CONTEXT_SETUP_REQ(msg_p);
memcpy(bearer_req, req, sizeof(e1ap_bearer_setup_req_t));
......@@ -4487,6 +4497,11 @@ void *rrc_gnb_task(void *args_p) {
rrc_gNB_process_e1_bearer_context_setup_resp(&E1AP_BEARER_CONTEXT_SETUP_RESP(msg_p), instance);
break;
case E1AP_BEARER_CONTEXT_MODIFICATION_REQ:
LOG_I(NR_RRC, "Received E1AP_BEARER_CONTEXT_MODIFICATION_REQ for instance %d\n", (int)instance);
rrc_CUUP_process_bearer_context_mod_req(&E1AP_BEARER_CONTEXT_SETUP_REQ(msg_p), instance);
break;
default:
LOG_E(NR_RRC, "[gNB %ld] Received unexpected message %s\n", instance, msg_name_p);
break;
......
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