1 /*******************************************************************************
2 ################################################################################
3 # Copyright (c) [2017-2019] [Radisys] #
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 #
9 # http://www.apache.org/licenses/LICENSE-2.0 #
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 *******************************************************************************/
20 #define SCH_INST_START 1
21 #define SCH_MAX_CELLS 1
22 #define SCH_MAX_INST 1
23 #define SCH_NUM_SLOTS 10 /*forcing this to 10 */
24 #define SCH_MAX_SFN 1024
25 #define MAX_NUM_RB 106 /* value for numerology 0 15Khz */
26 #define SCH_MIB_TRANS 80
27 #define SCH_NUM_SC_PRB 12 /* number of SCs in a PRB */
28 #define SCH_MAX_SSB_BEAM 4 /* since we are supporting only SCS=15KHz */
29 #define SCH_SCS_15KHZ 0 /* numerology 0 and 15Khz */
30 #define SCH_SYMBOL_PER_SLOT 14
31 #define SCH_SSB_SYMB_DURATION 4
32 #define SCH_SSB_PRB_DURATION 20
33 #define SCH_MEM_REGION 4
38 #define SI_RNTI 0xFFFF
41 /* allocate and zero out a static buffer */
42 #define SCH_ALLOC(_datPtr, _size) \
45 _ret = SGetSBuf(SCH_MEM_REGION, SCH_POOL, \
46 (Data **)&_datPtr, _size); \
48 cmMemset((U8*)_datPtr, 0, _size); \
53 /* free a static buffer */
54 #define SCH_FREE(_datPtr, _size) \
56 SPutSBuf(SCH_MEM_REGION, SCH_POOL, \
57 (Data *)_datPtr, _size);
60 #define SCH_FILL_RSP_PST(_rspPst, _inst)\
62 _rspPst.srcProcId = SFndProcId(); \
63 _rspPst.dstProcId = SFndProcId();\
64 _rspPst.srcEnt = ENTRG;\
65 _rspPst.dstEnt = ENTRG;\
68 _rspPst.selector = MAC_SELECTOR_TC;\
70 extern uint8_t schProcessRachInd(RachIndInfo *rachInd, Inst schInst);
73 * Structure holding LTE MAC's General Configuration information.
75 typedef struct schGenCb
77 uint8_t tmrRes; /*!< Timer resolution */
78 uint8_t startCellId; /*!< Starting Cell Id */
80 bool forceCntrlSrbBoOnPCel; /*!< value 1 means force scheduling
81 of RLC control BO and SRB BO on
82 PCell. val 0 means don't force*/
83 bool isSCellActDeactAlgoEnable; /*!< TRUE will enable activation/deactivation algo at Schd */
89 * scheduler allocationsfor DL per cell.
91 typedef struct schDlAlloc
93 uint16_t totalPrb; /*!< Number of RBs in the cell */
94 uint16_t assignedPrb[SCH_SYMBOL_PER_SLOT]; /*!< Num RBs and corresponding symbols allocated */
95 bool ssbPres; /*!< Flag to determine if SSB is present in this slot */
96 uint8_t ssbIdxSupported; /*!< Max SSB index */
97 SsbInfo ssbInfo[MAX_SSB_IDX]; /*!< SSB info */
103 typedef struct schRaCb
110 * scheduler allocationsfor UL per cell.
112 typedef struct schUlAlloc
114 uint16_t totalPrb; /*!< Number of RBs in the cell */
115 uint16_t assignedPrb[SCH_SYMBOL_PER_SLOT]; /*!< Num RBs and corresponding symbols allocated */
116 uint8_t prachStartSymb; /*!< Start symbol for PRACH */
121 * Cell Control block per cell.
123 typedef struct schCellCb
125 uint16_t cellId; /*!< Cell ID */
126 Inst instIdx; /*!< Index of the scheduler instance */
127 Inst macInst; /*!< Index of the MAC instance */
128 uint8_t numSlots; /*!< Number of slots in current frame */
129 SlotIndInfo slotInfo; /*!< SFN, Slot info being processed*/
130 SchDlAlloc *dlAlloc[SCH_NUM_SLOTS]; /*!< SCH resource allocations in DL */
131 SchUlAlloc *ulAlloc[SCH_NUM_SLOTS]; /*!< SCH resource allocations in UL */
132 SchCellCfg cellCfg; /*!< Cell ocnfiguration */
133 SchRaCb raCb[SCH_MAX_UE];
138 * Control block for sch
142 TskInit schInit; /*!< Task Init info */
143 SchGenCb genCfg; /*!< General Config info */
144 SchCellCb *cells[SCH_MAX_CELLS]; /* Array to store cellCb ptr */
147 /* Declaration for scheduler control blocks */
148 SchCb schCb[SCH_MAX_INST];
150 /* function declarations */
151 uint8_t schBroadcastAlloc(SchCellCb *cell, DlBrdcstAlloc *dlBrdcstAlloc,uint16_t slot);
152 uint8_t schProcessSlotInd(SlotIndInfo *slotInd, Inst inst);
153 uint8_t schUlResAlloc(SchCellCb *cell, Inst schInst);
157 /**********************************************************************
159 **********************************************************************/