X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2Fcu_stub%2Fcu_stub.c;h=2df3cd76e7539d8a1002d0191ba39c096d3f1e08;hb=6cf77deda4e840c6f543bc7ca3c70580f968d875;hp=c8724d7e16d981fe896b449c0a755b4e4f44d11f;hpb=d43106e9959db218ce4a4c278f73405d6d70579f;p=o-du%2Fl2.git diff --git a/src/cu_stub/cu_stub.c b/src/cu_stub/cu_stub.c index c8724d7e1..2df3cd76e 100644 --- a/src/cu_stub/cu_stub.c +++ b/src/cu_stub/cu_stub.c @@ -33,60 +33,6 @@ extern StartupConfig g_cfg; #endif -/******************************************************************* - * - * @brief Fetches pointer to DU Database - * - * @details - * - * Function : getDuDb - * - * Functionality: - * Searches and returns pointer to DU structure based on DU Id - * - * @params[in] DU Id - * @return Pointer to DU Db - * - ******************************************************************/ -DuDb* getDuDb(uint32_t duId) -{ - uint8_t duIdx; - for(duIdx=0; duIdx < cuCb.numDu; duIdx++) - { - if(cuCb.duInfo[duIdx].duId == duId) - return (&cuCb.duInfo[duIdx]); - } - return NULLP; -} - -/******************************************************************* - * - * @brief Fetches pointer to Cell Cb - * - * @details - * - * Function : getCellCb - * - * Functionality: - * Searches for a cell within a DU based on NR cell Id - * Returns pointer to this cell Cb structure - * - * @params[in] Pointer to DU Db - * NR Cell ID - * @return Pointer to cell Cb - * - ******************************************************************/ -CuCellCb* getCellCb(DuDb *duDb, uint32_t cellId) -{ - uint8_t cellIdx; - for(cellIdx=0; cellIdx < duDb->numCells; cellIdx++) - { - if(duDb->cellCb[cellIdx].nrCellId == cellId) - return &(duDb->cellCb[cellIdx]); - } - return NULLP; -} - /******************************************************************* * * @brief Handles SCTP notification @@ -187,8 +133,8 @@ uint8_t tst() 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"); @@ -204,31 +150,90 @@ void readCuCfg() } 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; - cuCb.cuCfgParams.sctpParams.duPort = g_cfg.DU_Port; - cuCb.cuCfgParams.sctpParams.cuPort = g_cfg.CU_Port; #else - cuCb.cuCfgParams.sctpParams.numDu = 0; - numDu = &cuCb.cuCfgParams.sctpParams.numDu; - while(*numDu < MAX_DU_SUPPORTED) - { - /* DU IP Address and Port*/ - memset(&ipv4_du, 0, sizeof(uint32_t)); - cmInetAddr((S8*)DU_IP_V4_ADDR[*numDu], &ipv4_du); - cuCb.cuCfgParams.sctpParams.sctpAssoc[*numDu].duIpAddr.ipV4Addr = ipv4_du; - cuCb.cuCfgParams.sctpParams.sctpAssoc[*numDu].duIpAddr.ipV6Pres = false; - cuCb.cuCfgParams.sctpParams.sctpAssoc[*numDu].duPort = DU_SCTP_PORT[*numDu]; + /* CU IP Address and 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; - /* CU IP Address and Port*/ + numDu = 0; + while(numDu < NUM_F1_ASSOC) + { + /* DU IP Address */ memset(&ipv4_du, 0, sizeof(uint32_t)); - cmInetAddr((S8*)CU_IP_V4_ADDR, &ipv4_cu); - cuCb.cuCfgParams.sctpParams.sctpAssoc[*numDu].cuIpAddr.ipV4Addr = ipv4_cu; - cuCb.cuCfgParams.sctpParams.sctpAssoc[*numDu].cuIpAddr.ipV6Pres = false; - cuCb.cuCfgParams.sctpParams.sctpAssoc[*numDu].cuPort = CU_SCTP_PORT_TO_DU[*numDu]; - (*numDu)++; + 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*/ @@ -244,16 +249,6 @@ void readCuCfg() cuCb.cuCfgParams.rrcVersion.extRrcVer = EXT_RRC_VER; - /* EGTP Parameters */ - cuCb.cuCfgParams.egtpParams.localIp.ipV4Pres = TRUE; - cuCb.cuCfgParams.egtpParams.localIp.ipV4Addr = ipv4_cu; - cuCb.cuCfgParams.egtpParams.localPort = CU_EGTP_PORT; - cuCb.cuCfgParams.egtpParams.destIp.ipV4Pres = TRUE; - cuCb.cuCfgParams.egtpParams.destIp.ipV4Addr = ipv4_du; - cuCb.cuCfgParams.egtpParams.destPort = DU_EGTP_PORT; - cuCb.cuCfgParams.egtpParams.minTunnelId = MIN_TEID; - cuCb.cuCfgParams.egtpParams.currTunnelId = cuCb.cuCfgParams.egtpParams.minTunnelId; - cuCb.cuCfgParams.egtpParams.maxTunnelId = MAX_TEID; } /* End of readCuCfg */ @@ -275,20 +270,153 @@ void readCuCfg() * RFAILED - failure * * ****************************************************************/ -void initiateInterDuHandover(uint32_t sourceDuId, uint32_t targetDuId, uint32_t ueId) +void initiateInterDuHandover(uint32_t sourceDuId, uint32_t targetDuId, uint32_t duUeF1apId) { - DuDb *duDb = NULLP; - CuUeCb *ueCb = NULLP; + 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; + } - duDb = getDuDb(sourceDuId); - if(duDb) - ueCb = &duDb->ueCb[ueId-1]; if(ueCb) - ueCb->state = HANDOVER_IN_PROGRESS; + { + 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); + } +} - 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); +/******************************************************************* + * + * @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; } /******************************************************************* @@ -309,17 +437,6 @@ void initiateInterDuHandover(uint32_t sourceDuId, uint32_t targetDuId, uint32_t void *cuConsoleHandler(void *args) { char ch; - uint8_t teId = 0; - uint8_t ret = ROK; - uint8_t cnt = 0; - - /* 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] */ - int32_t totalNumOfTestFlow = 500; while(true) { @@ -328,11 +445,11 @@ void *cuConsoleHandler(void *args) if(ch == 'd') { - /* Change #if 0 to #if 1 to take input from user */ + /* 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); @@ -354,28 +471,15 @@ void *cuConsoleHandler(void *args) cnt++; } #else - while(totalNumOfTestFlow) - { - for(teId = 1; teId <= NUM_TUNNEL_TO_PUMP_DATA; teId++) - { - 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; - } - /* TODO : sleep(1) will be removed later once we will be able to - * support the continuous data pack transfer */ - sleep(1); - cnt++; - } - } - totalNumOfTestFlow--; - } + + /* 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; } @@ -383,16 +487,111 @@ void *cuConsoleHandler(void *args) /* 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("\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); - 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"); + 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); - initiateInterDuHandover(sourceDuId, targetDuId, 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; } } }