void readCuCfg()
{
- uint8_t numDu;
- uint32_t ipv4_du, ipv4_cu;
+ uint8_t numDu, *numRemoteCu;
+ uint32_t ipv4_du, ipv4_cu, ipv4_remote_cu;
DU_LOG("\nDEBUG --> CU_STUB : Reading CU configurations");
cuCb.cuCfgParams.sctpParams.localIpAddr.ipV4Addr = ipv4_cu;
cuCb.cuCfgParams.sctpParams.localIpAddr.ipV6Pres = false;
- cuCb.cuCfgParams.sctpParams.f1SctpPort = F1_SCTP_PORT;
+
+ /* SCTP and EGTP configuration for F1 Interface */
+ cuCb.cuCfgParams.sctpParams.f1SctpInfo.port = F1_SCTP_PORT;
cuCb.cuCfgParams.egtpParams.localIp.ipV4Pres = TRUE;
cuCb.cuCfgParams.egtpParams.localIp.ipV4Addr = ipv4_cu;
cuCb.cuCfgParams.egtpParams.localPort = F1_EGTP_PORT;
- cuCb.cuCfgParams.sctpParams.numDestNode = 0;
+ cuCb.cuCfgParams.sctpParams.f1SctpInfo.numDestNode = 0;
cuCb.cuCfgParams.egtpParams.numDu = 0;
numDu = 0;
cmInetAddr((S8*)REMOTE_IP_DU[numDu], &ipv4_du);
/* SCTP Parameters */
- cuCb.cuCfgParams.sctpParams.destCb[numDu].destIpAddr.ipV4Addr = ipv4_du;
- cuCb.cuCfgParams.sctpParams.destCb[numDu].destIpAddr.ipV6Pres = false;
- cuCb.cuCfgParams.sctpParams.destCb[numDu].destPort = F1_SCTP_PORT;
+ cuCb.cuCfgParams.sctpParams.f1SctpInfo.destCb[numDu].destIpAddr.ipV4Addr = ipv4_du;
+ cuCb.cuCfgParams.sctpParams.f1SctpInfo.destCb[numDu].destIpAddr.ipV6Pres = false;
+ cuCb.cuCfgParams.sctpParams.f1SctpInfo.destCb[numDu].destPort = F1_SCTP_PORT;
/* EGTP Parameters */
cuCb.cuCfgParams.egtpParams.dstCfg[numDu].dstIp.ipV4Pres = TRUE;
cuCb.cuCfgParams.egtpParams.currTunnelId = cuCb.cuCfgParams.egtpParams.minTunnelId;
cuCb.cuCfgParams.egtpParams.maxTunnelId = MAX_TEID;
cuCb.cuCfgParams.egtpParams.numDu = numDu;
- cuCb.cuCfgParams.sctpParams.numDestNode = numDu;
+ cuCb.cuCfgParams.sctpParams.f1SctpInfo.numDestNode = numDu;
+
+ /* SCTP configuration for Xn interface */
+ cuCb.cuCfgParams.sctpParams.xnSctpInfo.port = XN_SCTP_PORT;
+ cuCb.cuCfgParams.sctpParams.xnSctpInfo.localNodeType = LOCAL_NODE_TYPE;
+ numRemoteCu = &cuCb.cuCfgParams.sctpParams.xnSctpInfo.numDestNode;
+ (*numRemoteCu) = 0;
+ while((*numRemoteCu) < NUM_XN_ASSOC)
+ {
+ /* Remote CU IP address */
+ memset(&ipv4_remote_cu, 0, sizeof(uint32_t));
+ cmInetAddr((S8*)REMOTE_IP_CU[*numRemoteCu], &ipv4_remote_cu);
+
+ /* SCTP Parameters */
+ cuCb.cuCfgParams.sctpParams.xnSctpInfo.destCb[*numRemoteCu].destIpAddr.ipV4Addr = ipv4_remote_cu;
+ cuCb.cuCfgParams.sctpParams.xnSctpInfo.destCb[*numRemoteCu].destIpAddr.ipV6Pres = false;
+ cuCb.cuCfgParams.sctpParams.xnSctpInfo.destCb[*numRemoteCu].destPort = XN_SCTP_PORT;
+
+ (*numRemoteCu)++;
+ }
#endif
/*PLMN*/
BuildAndSendUeContextModificationReq(sourceDuId, ueCb, QUERY_CONFIG);
}
+
+/*******************************************************************
+ *
+ * @brief Initiates inter CU handover
+ *
+ * @details
+ *
+ * Function : initiateInterCuHandover
+ *
+ * Functionality: Initiates the first procedure of inter-CU
+ * handover
+ *
+ * @params[in] Source CU Id
+ * Target CU Id
+ * UE Id to be handed off
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void initiateInterCuHandover(uint32_t sourceCuId, uint32_t targetCuId, uint32_t ueId)
+{
+ DU_LOG("\nINFO --> CU_STUB: Inter-CU Handover Started for ueId [%d] from CU ID [%d] to CU ID [%d]", \
+ ueId, sourceCuId, targetCuId);
+ //TODO : First message of HO procedure to be triggered here. Changes to be done in next commit.
+}
+
/*******************************************************************
*
* @brief start Dl data
/* Start Handover procedure towards DU when 'h' is received from console input */
else if(ch == 'h')
{
- uint32_t sourceDuId, targetDuId, ueId;
+ HandoverType hoType;
+ uint32_t sourceId, targetId, ueId;
- DU_LOG("\nEnter Source DU ID for Inter-DU Handover");
- scanf("%d", &sourceDuId);
- DU_LOG("\nEnter Target DU ID for Inter-DU Handover");
- scanf("%d", &targetDuId);
- DU_LOG("\nEnter DU UE F1AP ID to be handed over");
- scanf("%d", &ueId);
+ DU_LOG("\n\nChoose the type of handover to initiate : \nEnter 1 for Inter-CU Handover over Xn interface\nEnter 2 for Inter-DU Handover\n");
+ scanf("%d", &hoType);
- initiateInterDuHandover(sourceDuId, targetDuId, ueId);
+ if(hoType == Xn_Based_Inter_CU_HO)
+ {
+ DU_LOG("\nEnter Source CU ID for Inter-CU Handover : ");
+ scanf("%d", &sourceId);
+ DU_LOG("\nEnter Target CU ID for Inter-CU Handover : ");
+ scanf("%d", &targetId);
+ DU_LOG("\nEnter CU UE F1AP ID to be handed over : ");
+ scanf("%d", &ueId);
+
+ initiateInterCuHandover(sourceId, targetId, ueId);
+ }
+ else if(hoType == Inter_DU_HO)
+ {
+ DU_LOG("\nEnter Source DU ID for Inter-DU Handover : ");
+ scanf("%d", &sourceId);
+ DU_LOG("\nEnter Target DU ID for Inter-DU Handover : ");
+ scanf("%d", &targetId);
+ DU_LOG("\nEnter DU UE F1AP ID to be handed over : ");
+ scanf("%d", &ueId);
+
+ initiateInterDuHandover(sourceId, targetId, ueId);
+ }
}
/* Start Idle mode paging when 'p' is received from console input */
else if(ch == 'p')