X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2F5gnrsch%2Fsch_utils.c;h=97c6aa3e36e5dc2f147874997a3a92c0c119ef5c;hb=3330932565e15a749fd5dd5039cdea2862ca51cc;hp=1397c65d85eeba7dc9bf4a535a93500c11e52e33;hpb=49dec2270f1b3c03b36a801e153bf0786edffc24;p=o-du%2Fl2.git diff --git a/src/5gnrsch/sch_utils.c b/src/5gnrsch/sch_utils.c index 1397c65d8..97c6aa3e3 100644 --- a/src/5gnrsch/sch_utils.c +++ b/src/5gnrsch/sch_utils.c @@ -33,6 +33,14 @@ */ /* header files */ +#include "common_def.h" +#include "du_app_mac_inf.h" +#include "lrg.h" +#include "tfu.h" +#include "tfu.x" /* TFU types */ +#include "lrg.x" /* layer management typedefs for MAC */ +#include "mac_sch_interface.h" +#include "sch.h" #include "sch_utils.h" #include "math.h" @@ -260,15 +268,15 @@ uint16_t prachCfgIdxTable[MAX_PRACH_CONFIG_IDX][8] = { { 5, 1, 0, 1023, 0, 2, 3, 4 }, /* index 135 */ { 5, 1, 0, 682, 0, 2, 3, 4 }, /* index 136 */ {12, 2, 1, 580, 0, 1, 3, 4 }, /* index 137 */ -{12, 2, 2, 16, 0, 1, 3, 4 }, /* index 138 */ -{12, 2, 1, 16, 0, 1, 3, 4 }, /* index 139 */ -{12, 2, 1, 66, 0, 1, 3, 4 }, /* index 140 */ -{12, 2, 1, 528, 0, 1, 3, 4 }, /* index 141 */ -{12, 2, 1, 2, 0, 1, 3, 4 }, /* index 142 */ -{12, 2, 1, 128, 0, 1, 3, 4 }, /* index 143 */ -{12, 2, 1, 146, 0, 1, 3, 4 }, /* index 144 */ -{12, 2, 1, 341, 0, 1, 3, 4 }, /* index 145 */ -{12, 2, 1, 1023, 0, 1, 3, 4 }, /* index 146 */ +{12, 2, 0, 16, 0, 2, 3, 4 }, /* index 138 */ +{12, 1, 0, 16, 0, 1, 3, 4 }, /* index 139 */ +{12, 1, 0, 66, 0, 1, 3, 4 }, /* index 140 */ +{12, 1, 0, 528, 0, 1, 3, 4 }, /* index 141 */ +{12, 1, 0, 2, 0, 2, 3, 4 }, /* index 142 */ +{12, 1, 0, 128, 0, 2, 3, 4 }, /* index 143 */ +{12, 1, 0, 146, 0, 2, 3, 4 }, /* index 144 */ +{12, 1, 0, 341, 0, 2, 3, 4 }, /* index 145 */ +{12, 1, 0, 1023, 0, 2, 3, 4 }, /* index 146 */ { 6, 16, 1, 528, 0, 1, 2, 6 }, /* index 147 */ { 6, 16, 1, 16, 0, 2, 2, 6 }, /* index 148 */ { 6, 8, 1, 528, 0, 1, 2, 6 }, /* index 149 */ @@ -290,15 +298,15 @@ uint16_t prachCfgIdxTable[MAX_PRACH_CONFIG_IDX][8] = { { 6, 1, 0, 1023, 0, 2, 2, 6 }, /* index 165 */ { 6, 1, 0, 682, 0, 2, 2, 6 }, /* index 166 */ {13, 2, 1, 580, 0, 2, 2, 6 }, /* index 167 */ -{13, 2, 2, 16, 0, 2, 2, 6 }, /* index 168 */ -{13, 2, 1, 16, 0, 1, 2, 6 }, /* index 169 */ -{13, 2, 1, 66, 0, 1, 2, 6 }, /* index 170 */ -{13, 2, 1, 528, 0, 1, 2, 6 }, /* index 171 */ -{13, 2, 1, 2, 0, 2, 2, 6 }, /* index 172 */ -{13, 2, 1, 128, 0, 2, 2, 6 }, /* index 173 */ -{13, 2, 1, 146, 0, 2, 2, 6 }, /* index 174 */ -{13, 2, 1, 341, 0, 2, 2, 6 }, /* index 175 */ -{13, 2, 1, 1023, 0, 2, 2, 6 }, /* index 176 */ +{13, 2, 0, 16, 0, 2, 2, 6 }, /* index 168 */ +{13, 1, 0, 16, 0, 1, 2, 6 }, /* index 169 */ +{13, 1, 0, 66, 0, 1, 2, 6 }, /* index 170 */ +{13, 1, 0, 528, 0, 1, 2, 6 }, /* index 171 */ +{13, 1, 0, 2, 0, 2, 2, 6 }, /* index 172 */ +{13, 1, 0, 128, 0, 2, 2, 6 }, /* index 173 */ +{13, 1, 0, 146, 0, 2, 2, 6 }, /* index 174 */ +{13, 1, 0, 341, 0, 2, 2, 6 }, /* index 175 */ +{13, 1, 0, 1023, 0, 2, 2, 6 }, /* index 176 */ { 7, 16, 0, 528, 0, 1, 7, 2 }, /* index 177 */ { 7, 16, 1, 16, 0, 2, 7, 2 }, /* index 178 */ { 7, 8, 0, 528, 0, 1, 7, 2 }, /* index 179 */ @@ -371,7 +379,7 @@ uint16_t prachCfgIdxTable[MAX_PRACH_CONFIG_IDX][8] = { {10, 1, 0, 16, 0, 1, 2, 6 }, /* index 246 */ {10, 1, 0, 66, 0, 1, 2, 6 }, /* index 247 */ {10, 1, 0, 528, 0, 1, 2, 6 }, /* index 248 */ -{10, 1, 0, 1, 0, 2, 2, 6 }, /* index 249 */ +{10, 1, 0, 2, 0, 2, 2, 6 }, /* index 249 */ {10, 1, 0, 128, 0, 2, 2, 6 }, /* index 250 */ {10, 1, 0, 132, 0, 2, 2, 6 }, /* index 251 */ {10, 1, 0, 146, 0, 2, 2, 6 }, /* index 252 */ @@ -429,62 +437,26 @@ uint16_t mcsTable[32][3] = { { 30, 4, 0}, /* mcs index 30 */ { 31, 6, 0}}; /* mcs index 31 */ -/** - * @brief frequency domain allocation function. - * - * @details - * - * Function: schAllocFreqDomRscType0 - * - * This function does allocation in frequency domain resource. - * This is a bitmap defining non-overlapping groups of 6 PRBs in ascending order. - * - * @param[in] startPrb - start PRB from where the freq alloc starts. - * @param[in] prbSize - number of PRBs to be allocted. - * @param[in] freqDomain - 6 bytes of info, each bit represents a group of 6 PRB. - * @return void - **/ -void schAllocFreqDomRscType0(uint16_t startPrb, uint16_t prbSize, uint8_t *freqDomain) -{ - uint8_t remBits = prbSize; /* each bit represents 6 PRBs */ - uint8_t firstByte = 1; - uint8_t numBits,startBit,byteCount = 0; - - while(remBits) - { - /* when the startPrb is not in this byteCount */ - if(startPrb/8) - { - startPrb -= 8; - byteCount++; - continue; - } - - /* max bytecount is 6 nearly equal to 45 bits*/ - if(byteCount >= 6) - break; - - /* when we are filling the second byte, then the start should be equal to 0 */ - if(firstByte) - startBit = startPrb; - else - startBit = 0; - - /* calculate the number of bits to be set in this byte */ - if((remBits+startPrb) <= 8) - numBits = remBits; - else - numBits = 8 - startBit; - - /* bit operation to set the bits */ - SET_BITS((startBit % 8),numBits,freqDomain[byteCount]) - firstByte = 0; - - /* the ramaining bits should be subtracted with the numBits set in this byte */ - remBits -= numBits; - byteCount++; - } -} +/* PUCCH resource sets before dedicated PUCCH resource configuration */ +/* Table 9.2.1-1 spec 38.213 */ +uint8_t pucchResourceSet[MAX_PUCCH_RES_SET_IDX][4] = { +{ 0, 12, 2, 0 }, /* index 0 */ +{ 0, 12, 2, 0 }, /* index 1 */ +{ 0, 12, 2, 3 }, /* index 2 */ +{ 1, 10, 4, 0 }, /* index 3 */ +{ 1, 10, 4, 0 }, /* index 4 */ +{ 1, 10, 4, 2 }, /* index 5 */ +{ 1, 10, 4, 4 }, /* index 6 */ +{ 1, 4, 10, 0 }, /* index 7 */ +{ 1, 4, 10, 0 }, /* index 8 */ +{ 1, 4, 10, 2 }, /* index 9 */ +{ 1, 4, 10, 4 }, /* index 10 */ +{ 1, 0, 14, 0 }, /* index 11 */ +{ 1, 0, 14, 0 }, /* index 12 */ +{ 1, 0, 14, 2 }, /* index 13 */ +{ 1, 0, 14, 4 }, /* index 14 */ +{ 1, 0, 14, 0 }, /* index 15 */ +}; /** * @brief frequency domain allocation function. @@ -495,21 +467,26 @@ void schAllocFreqDomRscType0(uint16_t startPrb, uint16_t prbSize, uint8_t *freqD * * This function finds the TBSize from table Table 5.1.3.2-1 spec 38.214 * - * @param[in] payLoadSize - size of payload - * @return TBsize from the Table + * @param[in] payLoadSize - size of payload in bytes + * @return TBsize from the Table in bytes **/ -uint16_t schCalcTbSize(uint16_t payLoadSize) +uint16_t schCalcTbSize(uint32_t payLoadSize) { uint8_t tbsIndex = 0; - payLoadSize = payLoadSize*8; + uint16_t maxTbSize; + + maxTbSize = tbSizeTable[TOTAL_TBSIZE_VALUES -1]/8; + if(payLoadSize >= maxTbSize) + return maxTbSize; - while(payLoadSize > tbSizeTable[tbsIndex]) - { - tbsIndex++; - } + payLoadSize = payLoadSize*8; + while(payLoadSize > tbSizeTable[tbsIndex]) + { + tbsIndex++; + } - /* return the TBsize in bytes */ - return (tbSizeTable[tbsIndex]/8); + /* return the TBsize in bytes */ + return (tbSizeTable[tbsIndex]/8); } /** @@ -521,7 +498,7 @@ uint16_t schCalcTbSize(uint16_t payLoadSize) * * This function calculates the number of PRbs * - * @param[in] tbSize + * @param[in] tbSize in bytes * @param[in] mcs * @param[in] number of symbols * @return number PRBs @@ -530,28 +507,181 @@ uint16_t schCalcNumPrb(uint16_t tbSize, uint16_t mcs, uint8_t numSymbols) { uint16_t numPrb = 0; uint16_t nre = 0; - uint16_t nreDash = 0; - uint8_t qm = mcsTable[mcs][1]; - uint16_t rValue = mcsTable[mcs][2]; - uint8_t numLayer = 1; /* v value */ - uint8_t numDmrsSymbols = 12; /* considering whole of one symbols with 12 SCs for DMRS */ + uint16_t nreDash = 0; + uint8_t qm = mcsTable[mcs][1]; + uint16_t rValue = mcsTable[mcs][2]; + uint8_t numLayer = 1; /* v value */ + + tbSize = tbSize * 8; //Calculate tbSize in bits /* formula used for calculation of rbSize, 38.213 section 5.1.3.2 * * Ninfo = Nre . R . Qm . v * * Nre' = Nsc . NsymPdsch - NdmrsSymb - Noh * * Nre = min(156,Nre') . nPrb */ - nre = ceil( (float)tbSize * 1024 / (qm * rValue * numLayer)); + nre = ceil( (float)tbSize * 1024 / (qm * rValue * numLayer)); - nreDash = ceil( (12 * numSymbols) - numDmrsSymbols - 0); + nreDash = ceil( (12 * numSymbols) - NUM_DMRS_SYMBOLS - 0); - if (nreDash > 156) - nre = 156; + if (nreDash > 156) + nre = 156; numPrb = ceil((float)nre / nreDash); - return numPrb; + return numPrb; +} +/** +* @brief calculation of transport block size. +* +* @details +* +* Function: schCalcTbSizeFromNPrb +* +* This function calculates the transport block size +* +* @param[in] nPrb is num PRB +* @param[in] mcs +* @param[in] number of symbols +* @return tbSize +**/ +uint16_t schCalcTbSizeFromNPrb(uint16_t numPrb, uint16_t mcs, uint8_t numSymbols) +{ + uint16_t tbSize = 0; + uint16_t tbsIndex = 0; + uint16_t nre = 0; + uint16_t nreDash = 0; + uint8_t qm = mcsTable[mcs][1]; + uint16_t rValue = mcsTable[mcs][2]; + uint8_t numLayer = 1; /* v value */ + + /* formula used for calculation of rbSize, 38.213 section 5.1.3.2 * + * Ninfo = Nre . R . Qm . v where [ NInfo is tbSize] * + * Nre' = Nsc . NsymPdsch - NdmrsSymb - Noh * + * Nre = min(156,Nre') . nPrb */ + + nreDash = ceil( (12 * numSymbols) - NUM_DMRS_SYMBOLS - 0); + + if(nreDash > 156) + nreDash = 156; + + nre = nreDash * numPrb; + tbSize = ceil(nre * qm * numLayer * rValue/1024.0); + tbSize = ceil(tbSize/8.0); + + while(tbSize > tbSizeTable[tbsIndex]) + { + tbsIndex++; + } + tbSize = tbSizeTable[tbsIndex]; + + return tbSize; + +} +/** + * @brief fetching ueCb from cellCb + * + * @details + * + * Function: schGetUeCb + * + * This function fetched UeCb based on crnti from cellCb + * + * @param[in] cellCb + * @param[in] crnti + * @return ueCb + **/ +SchUeCb* schGetUeCb(SchCellCb *cellCb, uint16_t crnti) +{ + uint16_t ueIdx; + GET_UE_IDX(crnti, ueIdx); + return &(cellCb->ueCb[ueIdx -1]); +} + +/** + * @brief initialize UL slot info + * + * @details + * + * Function: schInitUlSlot + * + * This function intializes UL slot of the cell + * + * @param[in] schUlSlotInfo + * @return void + **/ +void schInitUlSlot(SchUlSlotInfo *schUlSlotInfo) +{ + memset(schUlSlotInfo, 0, sizeof(SchUlSlotInfo)); + schUlSlotInfo->totalPrb = MAX_NUM_RB; + for(uint8_t itr=0; itrassignedPrb[itr] = 0; + } + schUlSlotInfo->puschCurrentPrb = PUSCH_START_RB; + schUlSlotInfo->schPuschInfo = NULLP; + +} + +/** + * @brief initialize DL slot info + * + * @details + * + * Function: schInitDlSlot + * + * This function intializes DL slot of the cell + * + * @param[in] schDlSlotInfo + * @return void + **/ +void schInitDlSlot(SchDlSlotInfo *schDlSlotInfo) +{ + memset(schDlSlotInfo, 0, sizeof(SchDlSlotInfo)); + schDlSlotInfo->totalPrb = MAX_NUM_RB; + for(uint8_t itr=0; itrassignedPrb[itr] = 0; + } + + for(uint8_t itr=0; itrssbInfo[itr], 0, sizeof(SsbInfo)); + } +} + +#ifdef NR_TDD + +/** + * @brief determines slot format + * + * @details + * + * Function : schGetSlotFrmt + * + * This API is invoked to determine if current slot is DL or UL + * + * @param[in] uint16_t slot + * @param[in] uint32_t slotBitMap from cellCb + * @return SlotConfig + * -# DL - 0 + * -# UL - 1 + * -# FLEXI - 2 + **/ +SlotConfig schGetSlotFrmt(uint16_t slot, uint32_t slotBitMap) +{ + SlotConfig slotFrmt; + int mask1 = 0, mask2 = 0; + + slot = (slot%10)*2; + mask1 = 1<<(slot); + mask2 = 1<<(slot+1); + slotFrmt = ((mask1 & slotBitMap)>>slot) + (2*((mask2 & slotBitMap)>>(slot+1))); + + //printf("\n\n\n\n*****FormatType:%d Slot:%d****\n\n\n\n", slotFrmt, slot/2); + + return slotFrmt; } +#endif /********************************************************************** End of file **********************************************************************/