X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2F5gnrsch%2Fsch_common.c;h=25e88efb1a8b3977667e00f27478df0c41ea7e39;hb=18376996c17ece8306c1fe9539a00010bea607d5;hp=5b32a5d3f2f8fcbaa306b80cd2d7098fc79da910;hpb=5ea4c59cb4dd37164953218b0bd355284e11d22c;p=o-du%2Fl2.git diff --git a/src/5gnrsch/sch_common.c b/src/5gnrsch/sch_common.c index 5b32a5d3f..25e88efb1 100644 --- a/src/5gnrsch/sch_common.c +++ b/src/5gnrsch/sch_common.c @@ -60,8 +60,18 @@ File: sch_common.c #include "du_app_mac_inf.h" #include "mac_sch_interface.h" #include "sch.h" +#include "sch_utils.h" extern SchCb schCb[SCH_MAX_INST]; +extern uint16_t prachCfgIdxTable[MAX_PRACH_CONFIG_IDX][8]; +extern uint16_t numRbForPrachTable[MAX_RACH_NUM_RB_IDX][5]; + +SchMacUlSchInfoFunc schMacUlSchInfoOpts[] = +{ + packSchMacUlSchInfo, + MacProcUlSchInfo, + packSchMacUlSchInfo +}; /** * @brief Time domain allocation for SSB @@ -72,8 +82,7 @@ extern SchCb schCb[SCH_MAX_INST]; * * This function handles common scheduling for DL * - * @param[in] schCellCb *cell, cell cb - * @param[in] DlBrdcstAlloc *dlBrdcstAlloc, DL brdcst allocation + * @param[in] uint8_t scs, uint8_t *ssbStartSym * @return void **/ void ssbDlTdAlloc(uint8_t scs, uint8_t *ssbStartSymb) @@ -98,12 +107,13 @@ void ssbDlTdAlloc(uint8_t scs, uint8_t *ssbStartSymb) DU_LOG("\nSCS %d is currently not supported", scs); } } + /** * @brief common resource allocation for SSB * * @details * - * Function : schCmnDlAlloc + * Function : schBroadcastAlloc * * This function handles common scheduling for DL * @@ -111,7 +121,8 @@ void ssbDlTdAlloc(uint8_t scs, uint8_t *ssbStartSymb) * @param[in] DlBrdcstAlloc *dlBrdcstAlloc, DL brdcst allocation * @return void **/ -int schCmnDlAlloc(SchCellCb *cell, DlBrdcstAlloc *dlBrdcstAlloc) +uint8_t schBroadcastAlloc(SchCellCb *cell, DlBrdcstAlloc *dlBrdcstAlloc, + uint16_t slot) { /* schedule SSB */ uint8_t scs, ssbStartPrb, ssbStartSymb, idx; @@ -119,12 +130,11 @@ int schCmnDlAlloc(SchCellCb *cell, DlBrdcstAlloc *dlBrdcstAlloc) SchDlAlloc *dlAlloc; SsbInfo ssbInfo; - dlAlloc = cell->dlAlloc[cell->slotInfo.slot]; + dlAlloc = cell->dlAlloc[slot]; if(dlBrdcstAlloc->ssbTrans) { - scs = cell->cellCfg.scsCommon; - ssbStartPrb = \ - ((cell->cellCfg.ssbSubcOffset)-(cell->cellCfg.ssbOffsetPointA))/SCH_NUM_SC_PRB; + scs = cell->cellCfg.ssbSchCfg.scsCommon; + ssbStartPrb = cell->cellCfg.ssbSchCfg.ssbOffsetPointA; memset(ssbStartSymbArr, 0, SCH_MAX_SSB_BEAM); ssbDlTdAlloc(scs, ssbStartSymbArr); @@ -146,14 +156,166 @@ int schCmnDlAlloc(SchCellCb *cell, DlBrdcstAlloc *dlBrdcstAlloc) dlAlloc->ssbIdxSupported = dlBrdcstAlloc->ssbIdxSupported; for(idx=ssbStartSymb; idxassignedPrb[idx] = SCH_SSB_PRB_DURATION; + dlAlloc->assignedPrb[idx] = ssbStartPrb + SCH_SSB_PRB_DURATION + 1; /* +1 for kSsb */ } } + + /* SIB1 allocation */ + if(dlBrdcstAlloc->sib1Trans) + { + dlAlloc->sib1Pres = true; + for(idx=0; idxassignedPrb[idx] = ssbStartPrb + SCH_SSB_PRB_DURATION + 1 + 10; /* 10 PRBs for sib1 */ + } + memcpy(&dlBrdcstAlloc->sib1Alloc.sib1PdcchCfg, &cell->cellCfg.sib1SchCfg.sib1PdcchCfg, sizeof(PdcchCfg)); + memcpy(&dlBrdcstAlloc->sib1Alloc.sib1PdschCfg, &cell->cellCfg.sib1SchCfg.sib1PdschCfg, sizeof(PdschCfg)); + } return ROK; } +/******************************************************************* + * + * @brief Handles sending UL scheduler info to MAC + * + * @details + * + * Function : sendUlSchInfoToMac + * + * Functionality: + * Sends UL Sch info to MAC from SCH + * + * @params[in] + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +int sendUlSchInfoToMac(UlSchInfo *ulSchInfo, Inst inst) +{ + Pst pst; + + memset(&pst, 0, sizeof(Pst)); + SCH_FILL_RSP_PST(pst, inst); + pst.event = EVENT_UL_SCH_INFO; + return(*schMacUlSchInfoOpts[pst.selector])(&pst, ulSchInfo); + +} +/** + * @brief resource allocation for PRACH + * + * @details + * + * Function : schPrachResAlloc + * + * This function handles PRACH allocation + * + * @param[in] SchCellCb *cell, cell cb + * @param[in] UlSchInfo *ulSchInfo, UL scheduling info + * @return void + **/ +int schPrachResAlloc(SchCellCb *cell, UlSchInfo *ulSchInfo) +{ + uint8_t numPrachRb = 0; + uint8_t numRa = 0; + uint8_t freqStart = 0; + uint16_t sfn = 0; + uint16_t slot = 0; + uint8_t prachCfgIdx = 0; + uint8_t prachFormat = 0; + uint8_t x = 0; + uint8_t y = 0; + uint16_t prachSubframe = 0; + uint8_t prachStartSymbol = 0; + uint8_t prachOcas = 0; + uint8_t dataType = 0; + uint8_t idx = 0; + SchUlAlloc *ulAlloc = NULLP; + + sfn = cell->slotInfo.sfn; + slot = cell->slotInfo.slot; + ulAlloc = cell->ulAlloc[cell->slotInfo.slot]; + prachCfgIdx = cell->cellCfg.schRachCfg.prachCfgIdx; + + /* derive the prachCfgIdx table paramters */ + x = prachCfgIdxTable[prachCfgIdx][1]; + y = prachCfgIdxTable[prachCfgIdx][2]; + prachSubframe = prachCfgIdxTable[prachCfgIdx][3]; + + if((sfn%x) != y) + { + /* prach occasion does not lie in this SFN */ + DU_LOG("\nPRACH ocassion doesn't lie in this SFN"); + return RFAILED; + } + /* check for subFrame number */ + if ((1 << slot) & prachSubframe) + { + /* prach ocassion present in this subframe */ + + prachFormat = prachCfgIdxTable[prachCfgIdx][0]; + prachStartSymbol = prachCfgIdxTable[prachCfgIdx][4]; + prachOcas = prachCfgIdxTable[prachCfgIdx][6]; + + /* freq domain resource determination for RACH*/ + freqStart = cell->cellCfg.schRachCfg.msg1FreqStart; + /* numRa determined as 𝑛 belonging {0,1,.., M − 1}, + * where M is given by msg1Fdm */ + numRa = (cell->cellCfg.schRachCfg.msg1Fdm - 1); + for(idx=0; idxcellCfg.schRachCfg.rootSeqIdx) + break; + } + numPrachRb = numRbForPrachTable[idx][3]; + dataType |= SCH_DATATYPE_PRACH; + /* Considering first slot in the frame for PRACH */ + idx = 0; + ulAlloc->assignedPrb[idx] = freqStart+numPrachRb; + } + + /* Fill UL SCH Info */ + ulSchInfo->cellId = cell->cellId; + ulSchInfo->slotIndInfo.sfn = sfn; + ulSchInfo->slotIndInfo.slot = slot; + ulSchInfo->dataType = dataType; + /* prach info */ + ulSchInfo->prachSchInfo.numPrachOcas = prachOcas; + ulSchInfo->prachSchInfo.prachFormat = prachFormat; + ulSchInfo->prachSchInfo.numRa = numRa; + ulSchInfo->prachSchInfo.prachStartSymb = prachStartSymbol; + + return ROK; +} + +/** + * @brief resource allocation for UL + * + * @details + * + * Function : schUlResAlloc + * + * This function handles UL Resource allocation + * + * @param[in] SchCellCb *cell, cellCb + * @return void + **/ +uint8_t schUlResAlloc(SchCellCb *cell, Inst schInst) +{ + int ret = ROK; + UlSchInfo ulSchInfo; + /* Schedule resources for PRACH */ + schPrachResAlloc(cell, &ulSchInfo); + //send msg to MAC + ret = sendUlSchInfoToMac(&ulSchInfo, schInst); + if(ret != ROK) + { + DU_LOG("\nSending UL Sch info from SCH to MAC failed"); + } + + return ret; +} /********************************************************************** End of file **********************************************************************/