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UE Context setup and modif

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This commit is contained in:
Robert Schmidt
2023-08-11 17:38:12 +02:00
parent d220ee23e2
commit d24454ce9a
6 changed files with 57 additions and 79 deletions
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openair2/F1AP/f1ap_cu_ue_context_management.c
+7 -12
View File
@@ -82,7 +82,7 @@ int CU_send_UE_CONTEXT_SETUP_REQUEST(instance_t instance,
ie1->id = F1AP_ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID;
ie1->criticality = F1AP_Criticality_reject;
ie1->value.present = F1AP_UEContextSetupRequestIEs__value_PR_GNB_CU_UE_F1AP_ID;
ie1->value.choice.GNB_CU_UE_F1AP_ID = f1ap_get_cu_ue_f1ap_id(CUtype, instance, f1ap_ue_context_setup_req->rnti); //f1ap_ue_context_setup_req->gNB_CU_ue_id;
ie1->value.choice.GNB_CU_UE_F1AP_ID = f1ap_ue_context_setup_req->gNB_CU_ue_id;
/* optional */
/* c2. GNB_DU_UE_F1AP_ID */
@@ -91,7 +91,7 @@ int CU_send_UE_CONTEXT_SETUP_REQUEST(instance_t instance,
ie2->id = F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID;
ie2->criticality = F1AP_Criticality_ignore;
ie2->value.present = F1AP_UEContextSetupRequestIEs__value_PR_GNB_DU_UE_F1AP_ID;
ie2->value.choice.GNB_DU_UE_F1AP_ID = f1ap_get_du_ue_f1ap_id(CUtype, instance, f1ap_ue_context_setup_req->rnti); //*f1ap_ue_context_setup_req->gNB_DU_ue_id;
ie2->value.choice.GNB_DU_UE_F1AP_ID = f1ap_ue_context_setup_req->gNB_DU_ue_id;
}
/* mandatory */
@@ -510,7 +510,7 @@ int CU_send_UE_CONTEXT_SETUP_REQUEST(instance_t instance,
/* Use a dummy address and teid for the outgoing GTP-U tunnel (DU) which will be updated once we get the UE context setup response from the DU */
transport_layer_addr_t addr = { .length= 32, .buffer= { 0 } };
f1ap_ue_context_setup_req->drbs_to_be_setup[i].up_ul_tnl[j].teid = newGtpuCreateTunnel(getCxt(CUtype, instance)->gtpInst,
f1ap_ue_context_setup_req->rnti,
f1ap_ue_context_setup_req->gNB_DU_ue_id,
f1ap_ue_context_setup_req->drbs_to_be_setup[i].drb_id,
f1ap_ue_context_setup_req->drbs_to_be_setup[i].drb_id,
0xFFFF, // We will set the right value from DU answer
@@ -654,8 +654,6 @@ int CU_handle_UE_CONTEXT_SETUP_RESPONSE(instance_t instance,
F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID, true);
f1ap_ue_context_setup_resp->gNB_DU_ue_id = ie->value.choice.GNB_DU_UE_F1AP_ID;
LOG_D(F1AP, "f1ap_ue_context_setup_resp->gNB_DU_ue_id is: %d \n", f1ap_ue_context_setup_resp->gNB_DU_ue_id);
f1ap_ue_context_setup_resp->rnti =
f1ap_get_rnti_by_du_id(CUtype, instance, f1ap_ue_context_setup_resp->gNB_DU_ue_id);
// DUtoCURRCInformation
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_UEContextSetupResponseIEs_t, ie, container,
F1AP_ProtocolIE_ID_id_DUtoCURRCInformation, true);
@@ -695,7 +693,7 @@ int CU_handle_UE_CONTEXT_SETUP_RESPONSE(instance_t instance,
BIT_STRING_TO_TRANSPORT_LAYER_ADDRESS_IPv4(&dl_up_tnl0->transportLayerAddress, drb_p->up_dl_tnl[0].tl_address);
OCTET_STRING_TO_UINT32(&dl_up_tnl0->gTP_TEID, drb_p->up_dl_tnl[0].teid);
GtpuUpdateTunnelOutgoingAddressAndTeid(getCxt(CUtype, instance)->gtpInst,
f1ap_ue_context_setup_resp->rnti,
f1ap_ue_context_setup_resp->gNB_DU_ue_id,
(ebi_t)drbs_setup_item_p->dRBID,
drb_p->up_dl_tnl[0].tl_address,
drb_p->up_dl_tnl[0].teid);
@@ -1002,14 +1000,14 @@ int CU_send_UE_CONTEXT_MODIFICATION_REQUEST(instance_t instance, f1ap_ue_context
ie1->id = F1AP_ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID;
ie1->criticality = F1AP_Criticality_reject;
ie1->value.present = F1AP_UEContextModificationRequestIEs__value_PR_GNB_CU_UE_F1AP_ID;
ie1->value.choice.GNB_CU_UE_F1AP_ID = f1ap_get_cu_ue_f1ap_id(CUtype, instance, f1ap_ue_context_modification_req->rnti);;
ie1->value.choice.GNB_CU_UE_F1AP_ID = f1ap_ue_context_modification_req->gNB_CU_ue_id;
/* mandatory */
/* c2. GNB_DU_UE_F1AP_ID */
asn1cSequenceAdd(out->protocolIEs.list, F1AP_UEContextModificationRequestIEs_t, ie2);
ie2->id = F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID;
ie2->criticality = F1AP_Criticality_reject;
ie2->value.present = F1AP_UEContextModificationRequestIEs__value_PR_GNB_DU_UE_F1AP_ID;
ie2->value.choice.GNB_DU_UE_F1AP_ID = f1ap_get_du_ue_f1ap_id(CUtype, instance, f1ap_ue_context_modification_req->rnti);;
ie2->value.choice.GNB_DU_UE_F1AP_ID = f1ap_ue_context_modification_req->gNB_DU_ue_id;
/* optional */
/* c3. NRCGI */
@@ -1618,9 +1616,6 @@ int CU_handle_UE_CONTEXT_MODIFICATION_RESPONSE(instance_t instance,
LOG_D(F1AP, "f1ap_ue_context_modification_resp->gNB_DU_ue_id is: %d \n", f1ap_ue_context_modification_resp->gNB_DU_ue_id);
f1ap_ue_context_modification_resp->rnti =
f1ap_get_rnti_by_du_id(CUtype, instance, f1ap_ue_context_modification_resp->gNB_DU_ue_id);
// DUtoCURRCInformation
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_UEContextModificationResponseIEs_t, ie, container,
F1AP_ProtocolIE_ID_id_DUtoCURRCInformation, false);
@@ -1656,7 +1651,7 @@ int CU_handle_UE_CONTEXT_MODIFICATION_RESPONSE(instance_t instance,
BIT_STRING_TO_TRANSPORT_LAYER_ADDRESS_IPv4(&dl_up_tnl0->transportLayerAddress, drb_p->up_dl_tnl[0].tl_address);
OCTET_STRING_TO_UINT32(&dl_up_tnl0->gTP_TEID, drb_p->up_dl_tnl[0].teid);
GtpuUpdateTunnelOutgoingAddressAndTeid(getCxt(CUtype, instance)->gtpInst,
f1ap_ue_context_modification_resp->rnti,
f1ap_ue_context_modification_resp->gNB_DU_ue_id,
(ebi_t)drbs_setupmod_item_p->dRBID,
drb_p->up_dl_tnl[0].tl_address,
drb_p->up_dl_tnl[0].teid);
openair2/F1AP/f1ap_du_ue_context_management.c
+8 -26
View File
@@ -77,21 +77,8 @@ int DU_handle_UE_CONTEXT_SETUP_REQUEST(instance_t instance,
/* GNB_DU_UE_F1AP_ID */
F1AP_UEContextSetupRequestIEs_t *ieDU_UE;
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_UEContextSetupRequestIEs_t, ieDU_UE, container,
F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID, false);
if (ieDU_UE) {
f1ap_ue_context_setup_req->gNB_DU_ue_id =
ieDU_UE->value.choice.GNB_DU_UE_F1AP_ID;
f1ap_ue_context_setup_req->rnti =
f1ap_get_rnti_by_du_id(DUtype, instance, f1ap_ue_context_setup_req->gNB_DU_ue_id);
} else {
f1ap_ue_context_setup_req->gNB_DU_ue_id = -1;
f1ap_ue_context_setup_req->rnti =
f1ap_get_rnti_by_cu_id(DUtype, instance, f1ap_ue_context_setup_req->gNB_CU_ue_id);
}
if(f1ap_ue_context_setup_req->rnti<0)
LOG_E(F1AP, "Could not retrieve UE rnti based on the CU/DU UE id \n");
F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID, true);
f1ap_ue_context_setup_req->gNB_DU_ue_id = ieDU_UE->value.choice.GNB_DU_UE_F1AP_ID;
/* SpCell_ID */
F1AP_UEContextSetupRequestIEs_t *ieNet;
@@ -247,7 +234,7 @@ int DU_send_UE_CONTEXT_SETUP_RESPONSE(instance_t instance, f1ap_ue_context_setup
ie2->id = F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID;
ie2->criticality = F1AP_Criticality_reject;
ie2->value.present = F1AP_UEContextSetupResponseIEs__value_PR_GNB_DU_UE_F1AP_ID;
ie2->value.choice.GNB_DU_UE_F1AP_ID = f1ap_get_du_ue_f1ap_id(DUtype, instance, resp->rnti);
ie2->value.choice.GNB_DU_UE_F1AP_ID = resp->gNB_DU_ue_id;
/* mandatory */
/* c3. DUtoCURRCInformation */
@@ -285,7 +272,8 @@ int DU_send_UE_CONTEXT_SETUP_RESPONSE(instance_t instance, f1ap_ue_context_setup
ie4->criticality = F1AP_Criticality_ignore;
ie4->value.present = F1AP_UEContextSetupResponseIEs__value_PR_C_RNTI;
//C_RNTI_TO_BIT_STRING(rntiP, &ie->value.choice.C_RNTI);
ie4->value.choice.C_RNTI=resp->rnti;
ie4->value.choice.C_RNTI=0;
AssertFatal(false, "not implemented\n");
LOG_E(F1AP,"RNTI to code!\n");
}
@@ -825,12 +813,6 @@ int DU_handle_UE_CONTEXT_MODIFICATION_REQUEST(instance_t instance, uint32_t asso
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_UEContextModificationRequestIEs_t, ieDU_UE, container,
F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID, true);
f1ap_ue_context_modification_req->gNB_DU_ue_id = ieDU_UE->value.choice.GNB_DU_UE_F1AP_ID;
f1ap_ue_context_modification_req->rnti = f1ap_get_rnti_by_du_id(DUtype, instance, f1ap_ue_context_modification_req->gNB_DU_ue_id);
if(f1ap_ue_context_modification_req->rnti<0)
LOG_E(F1AP, "Could not retrieve UE rnti based on the DU UE id \n");
else
LOG_D(F1AP, "Retrieved rnti is: %d \n", f1ap_ue_context_modification_req->rnti);
/* SRB */
F1AP_UEContextModificationRequestIEs_t *ieSrb;
@@ -944,7 +926,7 @@ int DU_handle_UE_CONTEXT_MODIFICATION_REQUEST(instance_t instance, uint32_t asso
ieRRC->value.choice.RRCContainer.buf, ieRRC->value.choice.RRCContainer.size);
protocol_ctxt_t ctxt;
// decode RRC Container and act on the message type
ctxt.rntiMaybeUEid = f1ap_ue_context_modification_req->rnti;
ctxt.rntiMaybeUEid = f1ap_ue_context_modification_req->gNB_DU_ue_id;
ctxt.instance = instance;
ctxt.module_id = instance;
ctxt.enb_flag = 1;
@@ -991,7 +973,7 @@ int DU_send_UE_CONTEXT_MODIFICATION_RESPONSE(instance_t instance, f1ap_ue_contex
ie2->id = F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID;
ie2->criticality = F1AP_Criticality_reject;
ie2->value.present = F1AP_UEContextModificationResponseIEs__value_PR_GNB_DU_UE_F1AP_ID;
ie2->value.choice.GNB_DU_UE_F1AP_ID = f1ap_get_du_ue_f1ap_id(DUtype, instance, resp->rnti);
ie2->value.choice.GNB_DU_UE_F1AP_ID = resp->gNB_DU_ue_id;
/* optional */
/* c3. ResourceCoordinationTransferContainer */
@@ -1057,7 +1039,7 @@ int DU_send_UE_CONTEXT_MODIFICATION_RESPONSE(instance_t instance, f1ap_ue_contex
memcpy(tl_addr.buffer, &drb->up_ul_tnl[0].tl_address, sizeof(drb->up_ul_tnl[0].tl_address));
tl_addr.length = sizeof(drb->up_ul_tnl[0].tl_address) * 8;
drb->up_dl_tnl[j].teid = newGtpuCreateTunnel(getCxt(false, instance)->gtpInst,
resp->rnti,
resp->gNB_DU_ue_id,
drb->drb_id,
drb->drb_id,
drb->up_ul_tnl[j].teid,