src/5gnrsch/sch_utils.h

   1 /*******************************************************************************
   2 ################################################################################
   3 #   Copyright (c) [2017-2019] [Radisys]                                        #
   4 #                                                                              #
   5 #   Licensed under the Apache License, Version 2.0 (the "License");            #
   6 #   you may not use this file except in compliance with the License.           #
   7 #   You may obtain a copy of the License at                                    #
   8 #                                                                              #
   9 #       http://www.apache.org/licenses/LICENSE-2.0                             #
  10 #                                                                              #
  11 #   Unless required by applicable law or agreed to in writing, software        #
  12 #   distributed under the License is distributed on an "AS IS" BASIS,          #
  13 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #
  14 #   See the License for the specific language governing permissions and        #
  15 #   limitations under the License.                                             #
  16 ################################################################################
  17 *******************************************************************************/
  18
  19 #include <stdint.h>
  20 #include <math.h>
  21
  22 /* Memory info */
  23 #define SCH_MEM_REGION     4
  24 #define SCH_POOL           1
  25
  26 /* macros */
  27 #define MAX_CORESET_INDEX      16
  28 #define MAX_SEARCH_SPACE_INDEX 16
  29 #define MAX_RACH_NUM_RB_IDX    16
  30 #define MAX_PUCCH_RES_SET_IDX  16
  31 #define MAX_PRACH_CONFIG_IDX   256
  32 #define MAX_MU_PUSCH           4
  33 #define TOTAL_TBSIZE_VALUES    93
  34
  35 #define SET_BITS_MSB(_startBit, _numBits, _byte) \
  36 {                                                \
  37    _byte = (~((0xFF) >> _numBits));              \
  38    _byte >>= _startBit;                          \
  39 }
  40
  41 #define SET_BITS_LSB(_startBit, _numBits, _byte) \
  42 {                                                \
  43    _byte = (~((0xFF) << _numBits));              \
  44    _byte <<= _startBit;                          \
  45 }
  46
  47 /* allocate and zero out a static buffer */
  48 #define SCH_ALLOC(_datPtr, _size)                               \
  49 {                                                               \
  50    uint8_t _ret;                                                    \
  51    _ret = SGetSBuf(SCH_MEM_REGION, SCH_POOL,                    \
  52           (Data **)&_datPtr, _size);                             \
  53    if(_ret == ROK)                                              \
  54    {                                                            \
  55       memset(_datPtr, 0, _size);                         \
  56    }                                                            \
  57    else                                                         \
  58    {                                                            \
  59       _datPtr = NULLP;                                          \
  60    }                                                            \
  61 }
  62
  63 /* free a static buffer */
  64 #define SCH_FREE(_datPtr, _size)                                \
  65 {                                                               \
  66    if(_datPtr)                                                  \
  67    {                                                            \
  68       SPutSBuf(SCH_MEM_REGION, SCH_POOL,                        \
  69             (Data *)_datPtr,(Size) _size);                            \
  70       _datPtr = NULLP;                                          \
  71    }                                                            \
  72 }
  73
  74 /* Fill post structure for msg from SCH to MAC */
  75 #define FILL_PST_SCH_TO_MAC(_pst, _inst)                     \
  76 {                                                            \
  77    _pst.srcProcId = ODU_GET_PROCID();                       \
  78    _pst.dstProcId = ODU_GET_PROCID();                       \
  79    _pst.srcEnt    = ENTMAC;                                  \
  80    _pst.dstEnt    = ENTMAC;                                  \
  81    _pst.srcInst   = 1;                                       \
  82    _pst.dstInst   = 0;                                       \
  83    _pst.selector  = ODU_SELECTOR_TC;                         \
  84 }
  85
  86 int8_t coresetIdxTable[MAX_CORESET_INDEX][4];
  87 int8_t searchSpaceIdxTable[MAX_SEARCH_SPACE_INDEX][4];
  88
  89 /* functions declarations */
  90 void freqDomRscAllocType0(uint16_t startPrb, uint16_t prbSize, uint8_t *freqDomain);
  91 uint16_t schCalcTbSize(uint32_t payLoadSize);
  92 uint16_t schCalcNumPrb(uint16_t tbSize, uint16_t mcs, uint8_t numSymbols);
  93 uint16_t schCalcTbSizeFromNPrb(uint16_t numPrb, uint16_t mcs, uint8_t numSymbols);
  94 SchUeCb* schGetUeCb(SchCellCb *cellCb, uint16_t crnti);
  95 void schInitUlSlot(SchUlSlotInfo *schUlSlotInfo);
  96 void schInitDlSlot(SchDlSlotInfo *schDlSlotInfo);
  97 #ifdef NR_TDD
  98 SlotConfig schGetSlotSymbFrmt(uint16_t slot, uint32_t bitMap);
  99 #endif
 100
 101 /**********************************************************************
 102   End of file
 103  **********************************************************************/