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");
}
cmInetAddr((S8*)g_cfg.DU_IPV4_Addr, &ipv4_du);
- cuCb.cuCfgParams.sctpParams.destCb[0].destIpAddr.ipV4Addr = ipv4_du;
- cuCb.cuCfgParams.sctpParams.destCb[0].destIpAddr.ipV6Pres = false;
+ 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.destCb[0].destPort = g_cfg.DU_Port;
- cuCb.cuCfgParams.sctpParams.f1SctpPort = g_cfg.CU_Port;
- cuCb.cuCfgParams.sctpParams.numDestNode = 1;
+ 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.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*/
* RFAILED - failure
*
* ****************************************************************/
-void initiateInterDuHandover(uint32_t sourceDuId, uint32_t targetDuId, uint32_t ueId)
+void initiateInterDuHandover(uint32_t sourceDuId, uint32_t targetDuId, uint32_t duUeF1apId)
{
- uint8_t duIdx = 0;
- DuDb *duDb = NULLP;
- CuUeCb *ueCb = NULLP;
-
- SEARCH_DU_DB(duIdx, sourceDuId, duDb);
- if(duDb)
- ueCb = &duDb->ueCb[ueId-1];
- if(ueCb)
+ 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++)
{
- ueCb->state = UE_HANDOVER_IN_PROGRESS;
- ueCb->hoInfo.sourceDuId = sourceDuId;
- ueCb->hoInfo.targetDuId = targetDuId;
+ 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;
}
- DU_LOG("\nINFO --> CU_STUB: Inter-DU Handover Started for ueId [%d] from DU ID [%d] to DU ID [%d]", \
- ueId, sourceDuId, targetDuId);
- BuildAndSendUeContextModificationReq(sourceDuId, ueCb, QUERY_CONFIG);
+ 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);
+ }
}
/*******************************************************************
/* 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 srcNodeId, tgtNodeId, targetCellId, 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 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')
}
else if(ch == 'm')
{
- uint8_t ueId = 1;
- uint8_t duId = 1;
- uint8_t duIdx = 0;
+ 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 );
- DuDb *duDb = NULLP;
- CuUeCb *ueCb = NULLP;
+ ueId, duId);
SEARCH_DU_DB(duIdx, duId, duDb);
if(duDb)
+ {
ueCb = &duDb->ueCb[ueId-1];
- BuildAndSendUeContextModificationReq(duId, ueCb, MODIFY_UE);
+ 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;
}
}
}
Code Review / o-du / l2.git / blobdiff