X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2Fcu_stub%2Fcu_stub.c;h=d46ae04568e66e1a088a0e8d9063673139a9bd32;hb=41eaaec52d3fe0d5c003e6c0676e9a18fc8ba37a;hp=11b7a4e755939afb3c7394dc76aeba49da52de25;hpb=a5f35b2204dd87ebe347f11282000852b55810ad;p=o-du%2Fl2.git diff --git a/src/cu_stub/cu_stub.c b/src/cu_stub/cu_stub.c index 11b7a4e75..d46ae0456 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 @@ -187,7 +133,7 @@ uint8_t tst() void readCuCfg() { - uint8_t *numDu; + uint8_t numDu; uint32_t ipv4_du, ipv4_cu; DU_LOG("\nDEBUG --> CU_STUB : Reading CU configurations"); @@ -204,31 +150,66 @@ void readCuCfg() } cmInetAddr((S8*)g_cfg.DU_IPV4_Addr, &ipv4_du); + cuCb.cuCfgParams.sctpParams.sctpAssoc[0].duIpAddr.ipV4Addr = ipv4_du; + cuCb.cuCfgParams.sctpParams.sctpAssoc[0].duIpAddr.ipV6Pres = false; + cmInetAddr((S8*)g_cfg.CU_IPV4_Addr, &ipv4_cu); + cuCb.cuCfgParams.sctpParams.sctpAssoc[0].cuIpAddr.ipV4Addr = ipv4_cu; + cuCb.cuCfgParams.sctpParams.sctpAssoc[0].cuIpAddr.ipV6Pres = false; + + cuCb.cuCfgParams.sctpParams.sctpAssoc[0].duPort = g_cfg.DU_Port; + cuCb.cuCfgParams.sctpParams.sctpAssoc[0].cuPort = g_cfg.CU_Port; + cuCb.cuCfgParams.sctpParams.numDu = 1; + + cuCb.cuCfgParams.egtpParams.egtpAssoc[0].localIp.ipV4Pres = TRUE; + cuCb.cuCfgParams.egtpParams.egtpAssoc[0].localIp.ipV4Addr = ipv4_cu; + cuCb.cuCfgParams.egtpParams.egtpAssoc[0].localPort = CU_EGTP_PORT[0]; + cuCb.cuCfgParams.egtpParams.egtpAssoc[0].destIp.ipV4Pres = TRUE; + cuCb.cuCfgParams.egtpParams.egtpAssoc[0].destIp.ipV4Addr = ipv4_du; + cuCb.cuCfgParams.egtpParams.egtpAssoc[0].destPort = DU_EGTP_PORT[0]; + 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) + cuCb.cuCfgParams.egtpParams.numDu = 0; + numDu = 0; + 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]; + 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*)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)++; + 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]; + + /* EGTP Parameters */ + memset(&ipv4_du, 0, sizeof(uint32_t)); + cmInetAddr((S8*)DU_IP_V4_ADDR[numDu], &ipv4_du); + cuCb.cuCfgParams.egtpParams.egtpAssoc[numDu].localIp.ipV4Pres = TRUE; + cuCb.cuCfgParams.egtpParams.egtpAssoc[numDu].localIp.ipV4Addr = ipv4_cu; + cuCb.cuCfgParams.egtpParams.egtpAssoc[numDu].localPort = CU_EGTP_PORT[numDu]; + cuCb.cuCfgParams.egtpParams.egtpAssoc[numDu].destIp.ipV4Pres = TRUE; + cuCb.cuCfgParams.egtpParams.egtpAssoc[numDu].destIp.ipV4Addr = ipv4_du; + cuCb.cuCfgParams.egtpParams.egtpAssoc[numDu].destPort = DU_EGTP_PORT[numDu]; + + (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.numDu = numDu; #endif /*PLMN*/ @@ -244,19 +225,48 @@ 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 */ +/******************************************************************* + * + * @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 ueId) +{ + 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) + { + ueCb->state = UE_HANDOVER_IN_PROGRESS; + ueCb->hoInfo.sourceDuId = sourceDuId; + ueCb->hoInfo.targetDuId = targetDuId; + } + + 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 Handles Console input @@ -275,29 +285,24 @@ void readCuCfg() void *cuConsoleHandler(void *args) { char ch; - uint8_t teId = 0; + uint32_t teId = 0; + uint32_t duId; 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; + EgtpTeIdCb *teidCb = NULLP; 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 */ + /* 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); @@ -319,24 +324,45 @@ void *cuConsoleHandler(void *args) 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] */ + int32_t totalNumOfTestFlow = 2; + while(totalNumOfTestFlow) { - for(teId = 1; teId <= NUM_TUNNEL_TO_PUMP_DATA; teId++) + for(duId = 1; duId<=MAX_DU_SUPPORTED; duId++) { - DU_LOG("\nDEBUG --> EGTP: Sending DL User Data(teId:%d)\n",teId); - cnt =0; - while(cnt < NUM_DL_PACKETS) + for(teId = 1; teId <= NUM_TUNNEL_TO_PUMP_DATA; teId++) { - ret = cuEgtpDatReq(teId); - if(ret != ROK) + 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("\nERROR --> EGTP: Issue with teid=%d\n",teId); - break; + DU_LOG("\nDEBUG --> EGTP: TunnelId Not Found for (duId %d, teId:%d)\n", duId, teId); } - /* TODO : sleep(1) will be removed later once we will be able to - * support the continuous data pack transfer */ - sleep(1); - cnt++; } } totalNumOfTestFlow--; @@ -344,6 +370,38 @@ void *cuConsoleHandler(void *args) #endif continue; } + + /* Start Handover procedure towards DU when 'h' is received from console input */ + else if(ch == 'h') + { + uint32_t sourceDuId, targetDuId, 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); + + initiateInterDuHandover(sourceDuId, targetDuId, 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; + } } } /**********************************************************************