src/5gnrmac/mac_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 /* Contains common utility definitions to be used at MAC */
  20
  21 #define MAX_SHORT_BSR_TABLE_ENTRIES 32
  22 #define MAC_MEM_REGION   4
  23 #define MAC_POOL         1
  24
  25 #ifdef ODU_MEMORY_DEBUG_LOG
  26 #define MAC_MEM_LOG(_macro, _file, _line, _func, _size, _datPtr)\
  27 {\
  28    printf("\n%s=== %s +%d, %s, %d, %p\n",           \
  29       _macro, _file, _line, _func, _size, _datPtr); \
  30 }
  31 #else
  32 #define MAC_MEM_LOG(_macro, _file, _line, _func, _size, _dataPtr) {}
  33 #endif
  34
  35 /* allocate and zero out a MAC static buffer */
  36 #define MAC_ALLOC(_datPtr, _size)                            \
  37 {                                                            \
  38    uint8_t _ret;                                             \
  39    _ret = SGetSBuf(MAC_MEM_REGION, MAC_POOL,                 \
  40          (Data **)&_datPtr, _size);                               \
  41    if(_ret == ROK)                                           \
  42    {                                                         \
  43       memset(_datPtr, 0, _size);                             \
  44       MAC_MEM_LOG("MAC_ALLOC", __FILE__, __LINE__, __FUNCTION__, _size, _datPtr);\
  45    }                                                         \
  46    else                                                      \
  47    {                                                         \
  48       _datPtr = NULLP;                                       \
  49    }                                                         \
  50 }
  51
  52 /* free a static buffer */
  53 #define MAC_FREE(_datPtr, _size)                             \
  54 {                                                            \
  55    if(_datPtr)                                               \
  56    {                                                         \
  57       MAC_MEM_LOG("MAC_FREE", __FILE__, __LINE__, __FUNCTION__, _size, _datPtr);\
  58       SPutSBuf(MAC_MEM_REGION, MAC_POOL,                     \
  59             (Data *)_datPtr, _size);                              \
  60       _datPtr = NULLP;                                       \
  61    }                                                         \
  62 }
  63
  64 /* Allocate shared memory to be used for LWLC
  65  * during inter-layer communication */
  66 #define MAC_ALLOC_SHRABL_BUF(_buf, _size)                    \
  67 {                                                            \
  68    if(SGetStaticBuffer(MAC_MEM_REGION, MAC_POOL,             \
  69             (Data **)&_buf, (Size) _size, 0) == ROK)              \
  70    {                                                         \
  71       MAC_MEM_LOG("MAC_ALLOC_SHRABL_BUF", __FILE__, __LINE__, __FUNCTION__, _size, _buf);\
  72       memset((_buf), 0, _size);                              \
  73    }                                                         \
  74    else                                                      \
  75    {                                                         \
  76       (_buf) = NULLP;                                        \
  77    }                                                         \
  78 }
  79
  80 /* Free shared memory, received through LWLC */
  81 #define MAC_FREE_SHRABL_BUF(_region, _pool,_buf, _size)      \
  82 {                                                            \
  83    if (_buf != NULLP)                                        \
  84    {                                                         \
  85       MAC_MEM_LOG("MAC_FREE_SHRABL_BUF", __FILE__, __LINE__, __FUNCTION__, _size, _buf);\
  86       (Void) SPutStaticBuffer(_region, _pool,                \
  87             (Data *) _buf, (Size) _size, 0);                 \
  88       _buf = NULLP;                                          \
  89    }                                                         \
  90 }
  91
  92 /* Fill Pst structure for sending msg from MAC to DU APP */
  93 #define FILL_PST_MAC_TO_DUAPP(_pst, _event)                     \
  94 {                                                           \
  95    _pst.selector  = ODU_SELECTOR_LWLC;                      \
  96    _pst.srcEnt    = ENTMAC;                                  \
  97    _pst.dstEnt    = ENTDUAPP;                               \
  98    _pst.dstInst   = 0;                                      \
  99    _pst.srcInst   = macCb.macInst;                          \
 100    _pst.dstProcId = macCb.procId;                           \
 101    _pst.srcProcId = macCb.procId;                           \
 102    _pst.region = MAC_MEM_REGION;                            \
 103    _pst.pool = MAC_POOL;                                    \
 104    _pst.event = _event;                                     \
 105    _pst.route = 0;                                          \
 106    _pst.prior = 0;                                          \
 107    _pst.intfVer = 0;                                        \
 108 }
 109
 110 /* Fill Pst structure for sending msg from MAC to SCH */
 111 #define FILL_PST_MAC_TO_SCH(_pst, _event)                       \
 112 {                                                           \
 113    _pst.selector  = ODU_SELECTOR_TC;                        \
 114    _pst.srcEnt    = ENTMAC;                                  \
 115    _pst.dstEnt    = ENTMAC;                                  \
 116    _pst.dstInst   = 1;                                      \
 117    _pst.srcInst   = macCb.macInst;                          \
 118    _pst.dstProcId = macCb.procId;                           \
 119    _pst.srcProcId = macCb.procId;                           \
 120    _pst.region = MAC_MEM_REGION;                            \
 121    _pst.pool = MAC_POOL;                                    \
 122    _pst.event = _event;                                     \
 123    _pst.route = 0;                                          \
 124    _pst.prior = 0;                                          \
 125    _pst.intfVer = 0;                                        \
 126 }
 127
 128 /* Fills Pst to send msg to RLC */
 129 #define FILL_PST_MAC_TO_RLC(_pst, _dstInst, _event)        \
 130 {                                                      \
 131    pst.selector  = ODU_SELECTOR_LWLC;                  \
 132    pst.srcEnt    = ENTMAC;                              \
 133    pst.dstEnt    = ENTRLC;                              \
 134    pst.dstInst   = _dstInst;                           \
 135    pst.srcInst   = macCb.macInst;                      \
 136    pst.dstProcId = macCb.procId;                       \
 137    pst.srcProcId = macCb.procId;                       \
 138    pst.region    = MAC_MEM_REGION;                     \
 139    pst.pool      = MAC_POOL;                           \
 140    pst.event     = _event;                             \
 141    pst.route     = 0;                                  \
 142    pst.prior     = 0;                                  \
 143    pst.intfVer   = 0;                                  \
 144 }
 145
 146 /* Function declaration */
 147 uint16_t getNewCrnti(uint8_t *crntiMap);
 148 uint32_t shortBsrBytesTable[MAX_SHORT_BSR_TABLE_ENTRIES];
 149 /**********************************************************************
 150          End of file
 151 **********************************************************************/