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partial coding ue context setup resp

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This commit is contained in:
Laurent THOMAS
2021-09-03 13:51:17 +02:00
parent 00a47807b1
commit 14775c9dd2
4 changed files with 42 additions and 52 deletions
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openair2/F1AP/f1ap_cu_ue_context_management.c
+5 -4
View File
@@ -509,8 +509,7 @@ int CU_send_UE_CONTEXT_SETUP_REQUEST(instance_t instance,
} // if some_decide_qos
/* 12.1.3 uLUPTNLInformation_ToBeSetup_List */
for (int j = 0; j < f1ap_ue_context_setup_req->drbs_to_be_setup[i].up_ul_tnl_length; j++) {
f1ap_up_tnl_t *up_tnl = &f1ap_ue_context_setup_req->drbs_to_be_setup[i].up_ul_tnl[j];
for (int j = 0; j < f1ap_ue_context_setup_req->drbs_to_be_setup[i].tnl_length; j++) {
/* 12.3.1 ULTunnels_ToBeSetup_Item */
asn1cSequenceAdd(drbs_toBeSetup_item->uLUPTNLInformation_ToBeSetup_List.list,
F1AP_ULUPTNLInformation_ToBeSetup_Item_t, uLUPTNLInformation_ToBeSetup_Item);
@@ -518,9 +517,11 @@ int CU_send_UE_CONTEXT_SETUP_REQUEST(instance_t instance,
asn1cCalloc( uLUPTNLInformation_ToBeSetup_Item->uLUPTNLInformation.choice.gTPTunnel,
F1AP_GTPTunnel_t, gTPTunnel);
/* 12.3.1.1.1 transportLayerAddress */
TRANSPORT_LAYER_ADDRESS_IPv4_TO_BIT_STRING(up_tnl->tl_address, &gTPTunnel->transportLayerAddress);
TRANSPORT_LAYER_ADDRESS_IPv4_TO_BIT_STRING(f1ap_ue_context_setup_req->drbs_to_be_setup[i].tnl[j].tl_address,
&gTPTunnel->transportLayerAddress);
/* 12.3.1.1.2 gTP_TEID */
INT32_TO_OCTET_STRING(up_tnl->gtp_teid, &gTPTunnel->gTP_TEID);
INT32_TO_OCTET_STRING(f1ap_ue_context_setup_req->drbs_to_be_setup[i].tnl[j].outgoingTeid,
&gTPTunnel->gTP_TEID);
}
/* 12.1.4 rLCMode */
openair2/F1AP/f1ap_du_ue_context_management.c
+29 -41
View File
@@ -55,7 +55,7 @@ boolean_t DURecvCb( protocol_ctxt_t *ctxt_pP,
return true;
}
int DU_send_UE_CONTEXT_SETUP_RESPONSE(instance_t instance, rnti_t rntiP, int nbTEID, teid_t * teids);
int DU_send_UE_CONTEXT_SETUP_RESPONSE(instance_t instance, f1ap_ue_context_setup_req_t * req);
int DU_handle_UE_CONTEXT_SETUP_REQUEST(instance_t instance,
uint32_t assoc_id,
uint32_t stream,
@@ -79,19 +79,16 @@ int DU_handle_UE_CONTEXT_SETUP_REQUEST(instance_t instance,
F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID, false);
if (ieDU_UE) {
f1ap_ue_context_setup_req->gNB_DU_ue_id = malloc(sizeof(uint32_t));
if (f1ap_ue_context_setup_req->gNB_DU_ue_id)
*f1ap_ue_context_setup_req->gNB_DU_ue_id =
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(false, instance, f1ap_ue_context_setup_req->gNB_DU_ue_id);
} else {
f1ap_ue_context_setup_req->gNB_DU_ue_id = NULL;
f1ap_ue_context_setup_req->gNB_DU_ue_id = -1;
f1ap_ue_context_setup_req->rnti =
f1ap_get_rnti_by_cu_id(false, instance, f1ap_ue_context_setup_req->gNB_CU_ue_id);
}
if(f1ap_ue_context_setup_req->gNB_DU_ue_id!=NULL)
f1ap_ue_context_setup_req->rnti = f1ap_get_rnti_by_du_id(false, instance, *f1ap_ue_context_setup_req->gNB_DU_ue_id);
else
f1ap_ue_context_setup_req->rnti = f1ap_get_rnti_by_cu_id(false, 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");
else
@@ -127,7 +124,6 @@ int DU_handle_UE_CONTEXT_SETUP_REQUEST(instance_t instance,
f1ap_ue_context_setup_req->cellULConfigured = NULL;
}
teid_t *teids=NULL;
if (RC.nrrrc) {
/* RRCContainer */
F1AP_UEContextSetupRequestIEs_t *ieDrb;
@@ -139,21 +135,20 @@ int DU_handle_UE_CONTEXT_SETUP_REQUEST(instance_t instance,
AssertFatal(f1ap_ue_context_setup_req->drbs_to_be_setup,
"could not allocate memory for f1ap_ue_context_setup_req->drbs_to_be_setup\n");
teids=malloc(f1ap_ue_context_setup_req->drbs_to_be_setup_length*sizeof(*teids));
for (i = 0; i < f1ap_ue_context_setup_req->drbs_to_be_setup_length; ++i) {
f1ap_drb_to_be_setup_t *drb_p = &f1ap_ue_context_setup_req->drbs_to_be_setup[i];
F1AP_DRBs_ToBeSetup_Item_t *drbs_tobesetup_item_p;
drbs_tobesetup_item_p = &((F1AP_DRBs_ToBeSetup_ItemIEs_t *)ieDrb->value.choice.DRBs_ToBeSetup_List.list.array[i])->value.choice.DRBs_ToBeSetup_Item;
F1AP_DRBs_ToBeSetup_Item_t *drbs_tobesetup_item_p =
&((F1AP_DRBs_ToBeSetup_ItemIEs_t *)ieDrb->value.choice.DRBs_ToBeSetup_List.list.array[i])->value.choice.DRBs_ToBeSetup_Item;
drb_p->drb_id = drbs_tobesetup_item_p->dRBID;
/* TODO in the following, assume only one UP UL TNL is present.
* this matches/assumes OAI CU implementation, can be up to 2! */
drb_p->up_ul_tnl_length = 1;
drb_p->tnl_length = 1;
AssertFatal(drbs_tobesetup_item_p->uLUPTNLInformation_ToBeSetup_List.list.count > 0,
"no UL UP TNL Information in DRBs to be Setup list\n");
F1AP_ULUPTNLInformation_ToBeSetup_Item_t *ul_up_tnl_info_p = (F1AP_ULUPTNLInformation_ToBeSetup_Item_t *)drbs_tobesetup_item_p->uLUPTNLInformation_ToBeSetup_List.list.array[0];
F1AP_GTPTunnel_t *ul_up_tnl0 = ul_up_tnl_info_p->uLUPTNLInformation.choice.gTPTunnel;
BIT_STRING_TO_TRANSPORT_LAYER_ADDRESS_IPv4(&ul_up_tnl0->transportLayerAddress, drb_p->up_ul_tnl[0].tl_address);
OCTET_STRING_TO_INT32(&ul_up_tnl0->gTP_TEID, drb_p->up_ul_tnl[0].gtp_teid);
BIT_STRING_TO_TRANSPORT_LAYER_ADDRESS_IPv4(&ul_up_tnl0->transportLayerAddress, drb_p->tnl[0].tl_address);
OCTET_STRING_TO_INT32(&ul_up_tnl0->gTP_TEID, drb_p->tnl[0].outgoingTeid);
switch (drbs_tobesetup_item_p->rLCMode) {
case F1AP_RLCMode_rlc_am:
@@ -165,21 +160,16 @@ int DU_handle_UE_CONTEXT_SETUP_REQUEST(instance_t instance,
break;
}
transport_layer_addr_t addr;
memcpy(addr.buffer, &drb_p->up_ul_tnl[0].tl_address, sizeof(drb_p->up_ul_tnl[0].tl_address));
addr.length=sizeof(drb_p->up_ul_tnl[0].tl_address)*8;
rnti_t ue_rnti = (f1ap_ue_context_setup_req->gNB_DU_ue_id!=NULL) ?
f1ap_get_rnti_by_du_id(false, instance, *f1ap_ue_context_setup_req->gNB_DU_ue_id):
f1ap_get_rnti_by_cu_id(false, instance, f1ap_ue_context_setup_req->gNB_CU_ue_id);
teid_t x=newGtpuCreateTunnel(INSTANCE_DEFAULT,
ue_rnti,
memcpy(addr.buffer, &drb_p->tnl[0].tl_address, sizeof(drb_p->tnl[0].tl_address));
addr.length=sizeof(drb_p->tnl[0].tl_address)*8;
drb_p->tnl[0].incomingTeid=newGtpuCreateTunnel(INSTANCE_DEFAULT,
f1ap_ue_context_setup_req->rnti,
drb_p->drb_id ,
drb_p->drb_id,
drb_p->up_ul_tnl[0].gtp_teid,
drb_p->tnl[0].outgoingTeid,
addr,
2152,
DURecvCb);
teids[i]=x;
}
F1AP_UEContextSetupRequestIEs_t *ieSrb;
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_UEContextSetupRequestIEs_t, ieSrb, container,
@@ -231,18 +221,14 @@ int DU_handle_UE_CONTEXT_SETUP_REQUEST(instance_t instance,
LOG_W(F1AP, "can't find RRCContainer in UEContextSetupRequestIEs by id %ld \n", F1AP_ProtocolIE_ID_id_RRCContainer);
}
DU_send_UE_CONTEXT_SETUP_RESPONSE(instance, f1ap_ue_context_setup_req->rnti,
f1ap_ue_context_setup_req->drbs_to_be_setup_length, teids);
if (teids)
free(teids);
DU_send_UE_CONTEXT_SETUP_RESPONSE(instance, f1ap_ue_context_setup_req);
itti_send_msg_to_task(TASK_RRC_GNB, instance, msg_p);
return 0;
}
int DU_send_UE_CONTEXT_SETUP_RESPONSE(instance_t instance, rnti_t rntiP, int nbTEID, teid_t * teids) {
int DU_send_UE_CONTEXT_SETUP_RESPONSE(instance_t instance, f1ap_ue_context_setup_req_t * req) {
F1AP_F1AP_PDU_t pdu= {0};
F1AP_UEContextSetupResponse_t *out;
uint8_t *buffer=NULL;
@@ -261,16 +247,17 @@ int DU_send_UE_CONTEXT_SETUP_RESPONSE(instance_t instance, rnti_t rntiP, int nbT
ie1->id = F1AP_ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID;
ie1->criticality = F1AP_Criticality_reject;
ie1->value.present = F1AP_UEContextSetupResponseIEs__value_PR_GNB_CU_UE_F1AP_ID;
ie1->value.choice.GNB_CU_UE_F1AP_ID = 126L;
ie1->value.choice.GNB_CU_UE_F1AP_ID = req->gNB_CU_ue_id;
/* mandatory */
/* c2. GNB_DU_UE_F1AP_ID */
asn1cSequenceAdd(out->protocolIEs.list, F1AP_UEContextSetupResponseIEs_t, ie2);
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 = 651L;
ie2->value.choice.GNB_DU_UE_F1AP_ID = req->gNB_DU_ue_id;
/* mandatory */
/* c3. DUtoCURRCInformation */
if (0) {
asn1cSequenceAdd(out->protocolIEs.list, F1AP_UEContextSetupResponseIEs_t, ie3);
ie3->id = F1AP_ProtocolIE_ID_id_DUtoCURRCInformation;
ie3->criticality = F1AP_Criticality_reject;
@@ -296,6 +283,7 @@ int DU_send_UE_CONTEXT_SETUP_RESPONSE(instance_t instance, rnti_t rntiP, int nbT
OCTET_STRING_fromBuf(tmp, "asdsa", strlen("asdsa"));
}
}
}
/* optional */
/* c4. C_RNTI */
@@ -305,7 +293,7 @@ int DU_send_UE_CONTEXT_SETUP_RESPONSE(instance_t instance, rnti_t rntiP, int nbT
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=rntiP;
ie4->value.choice.C_RNTI=req->rnti;
LOG_E(F1AP,"RNTI to code!\n");
}
@@ -337,7 +325,7 @@ int DU_send_UE_CONTEXT_SETUP_RESPONSE(instance_t instance, rnti_t rntiP, int nbT
ie7->criticality = F1AP_Criticality_ignore;
ie7->value.present = F1AP_UEContextSetupResponseIEs__value_PR_DRBs_Setup_List;
for (int i=0; i<nbTEID; i++) {
for (int i=0; i< req->drbs_to_be_setup_length; i++) {
//
asn1cSequenceAdd(ie7->value.choice.DRBs_Setup_List.list,
F1AP_DRBs_Setup_ItemIEs_t, drbs_setup_item_ies);
@@ -348,14 +336,14 @@ int DU_send_UE_CONTEXT_SETUP_RESPONSE(instance_t instance, rnti_t rntiP, int nbT
/* ADD */
F1AP_DRBs_Setup_Item_t *drbs_setup_item=&drbs_setup_item_ies->value.choice.DRBs_Setup_Item;
/* dRBID */
drbs_setup_item->dRBID = 12;
drbs_setup_item->dRBID = req->drbs_to_be_setup[i].drb_id;
/* OPTIONAL */
/* lCID */
//drbs_setup_item.lCID = (F1AP_LCID_t *)calloc(1, sizeof(F1AP_LCID_t));
//drbs_setup_item.lCID = 1L;
for (int j=0; j<1; j++) {
for (int j=0; j<req->drbs_to_be_setup[i].tnl_length; j++) {
/* ADD */
asn1cSequenceAdd(drbs_setup_item->dLUPTNLInformation_ToBeSetup_List.list,
F1AP_DLUPTNLInformation_ToBeSetup_Item_t, dLUPTNLInformation_ToBeSetup_Item);
@@ -370,7 +358,7 @@ int DU_send_UE_CONTEXT_SETUP_RESPONSE(instance_t instance, rnti_t rntiP, int nbT
TRANSPORT_LAYER_ADDRESS_IPv4_TO_BIT_STRING(addr.sin_addr.s_addr,
&gTPTunnel->transportLayerAddress);
/* gTP_TEID */
INT32_TO_OCTET_STRING(teids[i], &gTPTunnel->gTP_TEID);
INT32_TO_OCTET_STRING(req->drbs_to_be_setup[i].tnl[j].incomingTeid, &gTPTunnel->gTP_TEID);
} // for j
} // for i