/* This functions contains main() for cu_app */
#include "common_def.h"
-#include "cu_stub.h"
#include "cu_stub_sctp.h"
#include "cu_stub_egtp.h"
-#include "du_log.h"
-
-#define CU_ID 1
-#define CU_NAME "ORAN_OAM_CU"
-#define DU_IP_V4_ADDR "192.168.130.81"
-#define CU_IP_V4_ADDR "192.168.130.82"
-#define DU_IP_V6_ADDR "0000:0000:0000:0000:0000:0000:0000:0001"
-#define CU_IP_V6_ADDR "0000:0000:0000:0000:0000:0000:0000:0011"
-#define DU_PORT 38472
-#define CU_PORT 38472
-#define DU_EGTP_PORT 39001
-#define CU_EGTP_PORT 39002
-#define RRC_VER 0
-#define EXT_RRC_VER 5
-#define PLMN_MCC0 3
-#define PLMN_MCC1 1
-#define PLMN_MCC2 1
-#define PLMN_MNC0 4
-#define PLMN_MNC1 8
-#define PLMN_MNC2 0
+#include "OCTET_STRING.h"
+#include "cu_f1ap_msg_hdl.h"
+#include "cu_stub.h"
+
+#ifdef O1_ENABLE
+#include "CmInterface.h"
+#endif
+
+
+#ifdef O1_ENABLE
+extern StartupConfig g_cfg;
+#endif
/*******************************************************************
*
void readCuCfg()
{
- 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");
- cmInetAddr((S8*)DU_IP_V4_ADDR, &ipv4_du);
- cmInetAddr((S8*)CU_IP_V4_ADDR, &ipv4_cu);
-
- cuCfgParams.cuId = CU_ID;
- strcpy(cuCfgParams.cuName, CU_NAME);
-
- /* DU IP Address and Port*/
- cuCfgParams.sctpParams.duIpAddr.ipV4Addr = ipv4_du;
- cuCfgParams.sctpParams.duIpAddr.ipV6Pres = false;
- cuCfgParams.sctpParams.duPort = DU_PORT;
+ cuCb.cuCfgParams.cuId = CU_ID;
+ strcpy(cuCb.cuCfgParams.cuName, CU_NAME);
+#ifdef O1_ENABLE
+ if( getStartupConfigForStub(&g_cfg) != ROK )
+ {
+ DU_LOG("\nError --> CU_STUB : Could not fetch startup "\
+ "configurations from Netconf interface\n");
+ exit(1);
+ }
+
+ cmInetAddr((S8*)g_cfg.DU_IPV4_Addr, &ipv4_du);
+ cuCb.cuCfgParams.sctpParams.f1SctpInfo.destCb[0].destIpAddr.ipV4Addr = ipv4_du;
+ cuCb.cuCfgParams.sctpParams.f1SctpInfo.destCb[0].destIpAddr.ipV6Pres = false;
+
+ cmInetAddr((S8*)g_cfg.CU_IPV4_Addr, &ipv4_cu);
+ cuCb.cuCfgParams.sctpParams.localIpAddr.ipV4Addr = ipv4_cu;
+ cuCb.cuCfgParams.sctpParams.localIpAddr.ipV6Pres = false;
+
+ cuCb.cuCfgParams.sctpParams.f1SctpInfo.destCb[0].destPort = g_cfg.DU_Port;
+ cuCb.cuCfgParams.sctpParams.f1SctpInfo.port = g_cfg.CU_Port;
+ cuCb.cuCfgParams.sctpParams.f1SctpInfo.numDestNode = 1;
+
+ cuCb.cuCfgParams.egtpParams.localIp.ipV4Pres = TRUE;
+ cuCb.cuCfgParams.egtpParams.localIp.ipV4Addr = ipv4_cu;
+ cuCb.cuCfgParams.egtpParams.localPort = F1_EGTP_PORT;
+ cuCb.cuCfgParams.egtpParams.dstCfg[0].dstIp.ipV4Pres = TRUE;
+ cuCb.cuCfgParams.egtpParams.dstCfg[0].dstIp.ipV4Addr = ipv4_du;
+ cuCb.cuCfgParams.egtpParams.dstCfg[0].dstPort = F1_EGTP_PORT;
+ cuCb.cuCfgParams.egtpParams.minTunnelId = MIN_TEID;
+ cuCb.cuCfgParams.egtpParams.currTunnelId = cuCb.cuCfgParams.egtpParams.minTunnelId;
+ cuCb.cuCfgParams.egtpParams.maxTunnelId = MAX_TEID;
+ cuCb.cuCfgParams.egtpParams.numDu = 1;
+
+#else
/* CU IP Address and Port*/
- cuCfgParams.sctpParams.cuIpAddr.ipV4Addr = ipv4_cu;
- cuCfgParams.sctpParams.cuIpAddr.ipV6Pres = false;
- cuCfgParams.sctpParams.cuPort = CU_PORT;
+ memset(&ipv4_du, 0, sizeof(uint32_t));
+ cmInetAddr((S8*)LOCAL_IP_CU, &ipv4_cu);
+
+ cuCb.cuCfgParams.sctpParams.localIpAddr.ipV4Addr = ipv4_cu;
+ cuCb.cuCfgParams.sctpParams.localIpAddr.ipV6Pres = false;
+
+ /* 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.f1SctpInfo.numDestNode = 0;
+ cuCb.cuCfgParams.egtpParams.numDu = 0;
+
+ numDu = 0;
+ while(numDu < NUM_F1_ASSOC)
+ {
+ /* DU IP Address */
+ memset(&ipv4_du, 0, sizeof(uint32_t));
+ cmInetAddr((S8*)REMOTE_IP_DU[numDu], &ipv4_du);
+
+ /* SCTP Parameters */
+ 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.dstCfg[numDu].dstIp.ipV4Addr = ipv4_du;
+ cuCb.cuCfgParams.egtpParams.dstCfg[numDu].dstPort = F1_EGTP_PORT;
+
+ (numDu)++;
+ }
+
+ cuCb.cuCfgParams.egtpParams.minTunnelId = MIN_TEID;
+ cuCb.cuCfgParams.egtpParams.currTunnelId = cuCb.cuCfgParams.egtpParams.minTunnelId;
+ cuCb.cuCfgParams.egtpParams.maxTunnelId = MAX_TEID;
+ cuCb.cuCfgParams.egtpParams.numDu = 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*/
- cuCfgParams.plmn.mcc[0] = PLMN_MCC0;
- cuCfgParams.plmn.mcc[1] = PLMN_MCC1;
- cuCfgParams.plmn.mcc[2] = PLMN_MCC2;
- cuCfgParams.plmn.mnc[0] = PLMN_MNC0;
- cuCfgParams.plmn.mnc[1] = PLMN_MNC1;
- cuCfgParams.plmn.mnc[2] = PLMN_MNC2;
+ cuCb.cuCfgParams.plmn.mcc[0] = PLMN_MCC0;
+ cuCb.cuCfgParams.plmn.mcc[1] = PLMN_MCC1;
+ cuCb.cuCfgParams.plmn.mcc[2] = PLMN_MCC2;
+ cuCb.cuCfgParams.plmn.mnc[0] = PLMN_MNC0;
+ cuCb.cuCfgParams.plmn.mnc[1] = PLMN_MNC1;
+ cuCb.cuCfgParams.plmn.mnc[2] = PLMN_MNC2;
/*RRC Version*/
- cuCfgParams.rrcVersion.rrcVer = RRC_VER;
- cuCfgParams.rrcVersion.extRrcVer = EXT_RRC_VER;
+ cuCb.cuCfgParams.rrcVersion.rrcVer = RRC_VER;
+ cuCb.cuCfgParams.rrcVersion.extRrcVer = EXT_RRC_VER;
- /* EGTP Parameters */
- cuCfgParams.egtpParams.localIp.ipV4Pres = TRUE;
- cuCfgParams.egtpParams.localIp.ipV4Addr = ipv4_cu;
- cuCfgParams.egtpParams.localPort = CU_EGTP_PORT;
- cuCfgParams.egtpParams.destIp.ipV4Pres = TRUE;
- cuCfgParams.egtpParams.destIp.ipV4Addr = ipv4_du;
- cuCfgParams.egtpParams.destPort = DU_EGTP_PORT;
- cuCfgParams.egtpParams.minTunnelId = 0;
- cuCfgParams.egtpParams.maxTunnelId = 10;
} /* End of readCuCfg */
+/*******************************************************************
+ *
+ * @brief Initiates inter DU handover
+ *
+ * @details
+ *
+ * Function : initiateInterDuHandover
+ *
+ * Functionality: Initiates the first procedure of inter-DU
+ * handover i.eG GNB-DU configuration query to source DU
+ *
+ * @params[in] Source DU Id
+ * Target DU Id
+ * UE Id to be handed off
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void initiateInterDuHandover(uint32_t sourceDuId, uint32_t targetDuId, uint32_t duUeF1apId)
+{
+ uint8_t duIdx = 0;
+ DuDb *duDb = NULLP;
+ CuUeCb *ueCb = NULLP;
+
+ DU_LOG("\nINFO --> CU_STUB: Inter-DU Handover Started for ueId [%d] from DU ID [%d] to DU ID [%d]", \
+ duUeF1apId, sourceDuId, targetDuId);
+
+ SEARCH_DU_DB(duIdx, sourceDuId, duDb);
+ if(duDb)
+ ueCb = &duDb->ueCb[duUeF1apId-1];
+ if(ueCb)
+ {
+ ueCb->state = UE_HANDOVER_IN_PROGRESS;
+ ueCb->hoInfo.HOType = Inter_DU_HO;
+ ueCb->hoInfo.srcNodeId = sourceDuId;
+ ueCb->hoInfo.tgtNodeId = targetDuId;
+
+ BuildAndSendUeContextModificationReq(sourceDuId, ueCb, QUERY_CONFIG);
+ }
+ else
+ {
+ DU_LOG("\nINFO --> CU_STUB: DU UE F1AP ID [%d] not found", duUeF1apId);
+ }
+}
+
+
+/*******************************************************************
+ *
+ * @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 targetCuId, uint32_t cellId, uint32_t cuUeF1apId)
+{
+ uint8_t duIdx, ueIdx;
+ CuUeCb *ueCb = NULLP;
+
+ DU_LOG("\nINFO --> CU_STUB: Inter-CU Handover Started for ueId [%d] to CU ID [%d]", \
+ cuUeF1apId, targetCuId);
+
+ for(duIdx = 0; duIdx < cuCb.numDu; duIdx++)
+ {
+ for(ueIdx = 0; ueIdx < (MAX_NUM_CELL * MAX_NUM_UE); ueIdx++)
+ {
+ ueCb = &cuCb.duInfo[duIdx].ueCb[ueIdx];
+ if(cuCb.duInfo[duIdx].ueCb[ueIdx].gnbCuUeF1apId == cuUeF1apId)
+ {
+ ueCb = &cuCb.duInfo[duIdx].ueCb[ueIdx];
+ break;
+ }
+ }
+ if(ueCb)
+ break;
+ }
+
+ if(ueCb)
+ {
+ ueCb->state = UE_HANDOVER_IN_PROGRESS;
+ ueCb->hoInfo.HOType = Xn_Based_Inter_CU_HO;
+ ueCb->hoInfo.srcNodeId = cuCb.cuCfgParams.cuId;
+ ueCb->hoInfo.tgtNodeId = targetCuId;
+ ueCb->hoInfo.tgtCellId = cellId;
+ ueCb->hoInfo.cuUeF1apIdSrc = ueCb->gnbCuUeF1apId;
+
+ BuildAndSendUeContextModificationReq(cuCb.duInfo[duIdx].duId, ueCb, QUERY_CONFIG);
+ }
+ else
+ {
+ DU_LOG("\nINFO --> CU_STUB: CU UE F1AP ID [%d] not found", cuUeF1apId);
+ }
+}
+
+/*******************************************************************
+ *
+ * @brief start Dl data
+ *
+ * @details
+ *
+ * Function : startDlData
+ *
+ * Functionality: start the downlink data
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t startDlData()
+{
+ uint32_t teId = 0;
+ uint32_t duId;
+ uint8_t ret = ROK;
+ uint8_t cnt = 0;
+ int32_t totalNumOfTestFlow = 200;
+ EgtpTeIdCb *teidCb = NULLP;
+
+ while(totalNumOfTestFlow)
+ {
+ for(duId = 1; duId <= cuCb.cuCfgParams.egtpParams.numDu; duId++)
+ {
+ for(teId = 1; teId <= NUM_TUNNEL_TO_PUMP_DATA; teId++)
+ {
+ teidCb = NULLP;
+ cmHashListFind(&(egtpCb.dstCb[duId-1].teIdLst), (uint8_t *)&(teId), sizeof(uint32_t), 0, (PTR *)&teidCb);
+ if(teidCb)
+ {
+ cnt =0;
+ DU_LOG("\nDEBUG --> EGTP: Sending DL User Data(duId %d, teId:%d)\n", duId, teId);
+ while(cnt < NUM_DL_PACKETS)
+ {
+ ret = cuEgtpDatReq(duId, teId);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> EGTP: Issue with teid=%d\n",teId);
+ break;
+ }
+ /* TODO : sleep(1) will be removed later once we will be able to
+ * support the continuous data pack transfer */
+ sleep(1);
+ cnt++;
+ }
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> EGTP: TunnelId Not Found for (duId %d, teId:%d)\n", duId, teId);
+ }
+ }
+ }
+ totalNumOfTestFlow--;
+ }
+
+ return ROK;
+}
+
/*******************************************************************
*
* @brief Handles Console input
void *cuConsoleHandler(void *args)
{
char ch;
+
while(true)
{
+ ch = getchar();
/* Send DL user data to CU when user enters 'd' on console */
- if((ch = getchar()) == 'd')
+ if(ch == 'd')
{
+
+ /* Change #if 0 to #if 1 to take input from user */
+#if 0
+ DU_LOG("\n EGTP --> : Enter TEID id(1..10) where DL Data to be sent\n");
+ scanf("%d",&teId);
+
+ if(teId > MAX_TEID || teId < MIN_TEID)
+ {
+ DU_LOG("\nERROR --> EGTP : TEID(%x) OUT Of Range",teId);
+ printf("\n");
+ continue;
+ }
/* Start Pumping data from CU to DU */
- DU_LOG("\nDEBUG --> EGTP: Sending DL User Data");
- cuEgtpDatReq();
+ DU_LOG("\nDEBUG --> EGTP: Sending DL User Data(teId:%d)\n",teId);
+
+ cnt =0;
+ while(cnt < NUM_DL_PACKETS)
+ {
+ ret = cuEgtpDatReq(teId);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> EGTP: Issue with teid=%d\n",teId);
+ break;
+ }
+ cnt++;
+ }
+#else
+
+ /* This variable is taken for sending specific number of downlink data packet.
+ * Presently the code is supporting total 4500 data packets trasfer for 3 UEs only with sleep(1).
+ * If you wants to pump data for 3 UE change the following macro values
+ * NUM_TUNNEL_TO_PUMP_DATA = 9, NUM_DL_PACKETS = 1.
+ * totalDataPacket = totalNumOfTestFlow * NUM_TUNNEL_TO_PUMP_DATA * NUM_DL_PACKETS
+ * totalDataPacket = [500*9*1] */
+
+ startDlData();
+#endif
+ continue;
}
+
+ /* Start Handover procedure towards DU when 'h' is received from console input */
+ else if(ch == 'h')
+ {
+ HandoverType hoType;
+ uint32_t srcNodeId, tgtNodeId, targetCellId, 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);
+
+ if(hoType == Xn_Based_Inter_CU_HO)
+ {
+ DU_LOG("\nEnter Target CU ID for Inter-CU Handover : ");
+ scanf("%d", &tgtNodeId);
+ DU_LOG("\nEnter Target Physical Cell ID for Inter-CU Handover : ");
+ scanf("%d", &targetCellId);
+ DU_LOG("\nEnter CU UE F1AP ID to be handed over : ");
+ scanf("%d", &ueId);
+
+ initiateInterCuHandover(tgtNodeId, targetCellId, ueId);
+ }
+ else if(hoType == Inter_DU_HO)
+ {
+ DU_LOG("\nEnter Source DU ID for Inter-DU Handover : ");
+ scanf("%d", &srcNodeId);
+ DU_LOG("\nEnter Target DU ID for Inter-DU Handover : ");
+ scanf("%d", &tgtNodeId);
+ DU_LOG("\nEnter DU UE F1AP ID to be handed over : ");
+ scanf("%d", &ueId);
+
+ initiateInterDuHandover(srcNodeId, tgtNodeId, ueId);
+ }
+ }
+ /* Start Idle mode paging when 'p' is received from console input */
+ else if(ch == 'p')
+ {
+ uint64_t sTmsi = 0;
+ uint8_t duId = 0;
+
+ DU_LOG("\nEnter DU ID on which this UE to be pagged");
+ scanf("%d", &duId);
+ DU_LOG("\nEnter 5g-S-TMSI");
+ scanf("%lu", &sTmsi);
+
+ if(BuildAndSendPagingMsg(sTmsi, duId) != ROK)
+ {
+ DU_LOG("\nERROR --> EGTP: Failed to build and send paging message for 5gsTmsi[%lu]\n", sTmsi);
+ }
+ continue;
+ }
+ else if(ch == 'm')
+ {
+ uint8_t ueId = 1;
+ uint8_t duId = 0;
+ uint8_t duIdx = 0;
+ DuDb *duDb = NULLP;
+ CuUeCb *ueCb = NULLP;
+
+ DU_LOG("\nEnter DU ID whose UE has to be modified");
+ scanf("%d", &duId);
+ DU_LOG("\nEnter UE ID to be modified");
+ scanf("%d", &ueId);
+
+ DU_LOG("\nINFO --> CU_STUB: UE Context Mod for ueId [%d] at DU ID [%d]", \
+ ueId, duId);
+
+ SEARCH_DU_DB(duIdx, duId, duDb);
+ if(duDb)
+ {
+ ueCb = &duDb->ueCb[ueId-1];
+ BuildAndSendUeContextModificationReq(duId, ueCb, MODIFY_UE);
+ }
+ else
+ {
+ DU_LOG("ERROR --> DuDb is NULLP");
+ }
+ continue;
+
+ }
+ /*UE context release command from CU*/
+ else if(ch == 'c')
+ {
+ uint32_t duId, cuUeF1apId, duUeF1apId;
+ uint8_t duIdx = 0;
+ DuDb *duDb = NULLP;
+
+ DU_LOG("\nEnter DU ID on which UE has to be released");
+ scanf("%d", &duId);
+ DU_LOG("\nEnter UE ID to be released");
+ scanf("%d", &duUeF1apId);
+
+ SEARCH_DU_DB(duIdx, duId, duDb);
+ if(duDb)
+ {
+ if(duDb->ueCb[duUeF1apId-1].gnbDuUeF1apId == duUeF1apId)
+ {
+ cuUeF1apId = duDb->ueCb[duUeF1apId-1].gnbCuUeF1apId;
+ DU_LOG("INFO --> CU_STUB: Cu UeId: %d Du UeId:%d",cuUeF1apId, duUeF1apId);
+ BuildAndSendUeContextReleaseCommand(duId, cuUeF1apId, duUeF1apId);
+ }
+ else
+ {
+ DU_LOG("ERROR --> CU_STUB: Du UeId:%d in UeCb mismatch",\
+ duDb->ueCb[duUeF1apId-1].gnbDuUeF1apId);
+ }
+ }
+
+ sleep(5);
+ continue;
+ }
}
}
/**********************************************************************