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 *******************************************************************************/
18 /* header include files (.h) */
20 #include "envopt.h" /* environment options */
21 #include "envdep.h" /* environment dependent */
22 #include "envind.h" /* environment independent */
23 #include "gen.h" /* general */
24 #include "ssi.h" /* system services */
25 #include "cm_tkns.h" /* Common Token Defines */
26 #include "cm_llist.h" /* Common Link List Defines */
27 #include "cm_hash.h" /* Common Hash List Defines */
28 #include "cm_mblk.h" /* common memory link list library */
29 #include "cm_lte.h" /* Common LTE Defines */
31 #include "tfu.h" /* RGU Interface includes */
33 #include "crg.h" /* layer management defines for LTE-MAC */
34 #include "rg_sch_inf.h" /* layer management defines for LTE-MAC */
38 #include "gen.x" /* general */
39 #include "ssi.x" /* system services */
40 #include "cm5.x" /* system services */
41 #include "cm_tkns.x" /* Common Token Definitions */
42 #include "cm_llist.x" /* Common Link List Definitions */
43 #include "cm_lib.x" /* Common Library Definitions */
44 #include "cm_hash.x" /* Common Hash List Definitions */
45 #include "cm_mblk.x" /* common memory link list library */
46 #include "cm_lte.x" /* Common LTE Defines */
48 #include "tfu.x" /* RGU Interface includes */
50 #include "crg.x" /* layer management typedefs for MAC */
51 #include "rg_sch_inf.x" /* SCH interface typedefs */
53 #include "du_app_mac_inf.h"
57 #include "mac_upr_inf_api.h"
59 /* function pointers for packing slot ind from mac to sch */
60 MacSchSlotIndFunc macSchSlotIndOpts[] =
68 * @brief process DL allocation from scheduler
72 * Function : MacProcDlAlloc
74 * This function copied dl sch info in the mac slot info
77 * @param[in] DL allocation from scheduler
82 int MacProcDlAlloc(Pst *pst, DlSchedInfo *dlSchedInfo)
84 MacDlSlot *currDlSlot = NULLP;
86 if(dlSchedInfo != NULLP)
88 if(dlSchedInfo->isBroadcastPres)
90 currDlSlot = &macCb.macCell->dlSlot[dlSchedInfo->schSlotValue.broadcastTime.slot];
91 currDlSlot->dlInfo.isBroadcastPres = true;
92 memcpy(&currDlSlot->dlInfo.brdcstAlloc, &dlSchedInfo->brdcstAlloc, sizeof(DlBrdcstAlloc));
95 if(dlSchedInfo->rarAlloc != NULLP)
97 currDlSlot = &macCb.macCell->dlSlot[dlSchedInfo->schSlotValue.rarTime.slot];
98 currDlSlot->dlInfo.rarAlloc = dlSchedInfo->rarAlloc;
101 fillRarPdu(&currDlSlot->dlInfo.rarAlloc->rarInfo);
104 if(dlSchedInfo->msg4Alloc != NULLP)
106 Msg4Alloc *msg4Alloc = NULLP;
107 MacDlData msg4DlData;
110 currDlSlot = &macCb.macCell->dlSlot[dlSchedInfo->schSlotValue.msg4Time.slot];
111 currDlSlot->dlInfo.msg4Alloc = dlSchedInfo->msg4Alloc; /* copy msg4 alloc pointer in MAC slot info */
112 msg4Alloc = dlSchedInfo->msg4Alloc;
114 memset(&msg4DlData, 0, sizeof(MacDlData));
115 memset(&macCeData, 0, sizeof(MacCeInfo));
117 macCb.macCell->macRaCb[0].msg4TbSize = msg4Alloc->msg4PdschCfg.codeword[0].tbSize;
119 if(macCb.macCell->macRaCb[0].msg4Pdu != NULLP)
121 MAC_ALLOC(msg4DlData.pduInfo[0].dlPdu, \
122 macCb.macCell->macRaCb[0].msg4PduLen);
123 if(msg4DlData.pduInfo[0].dlPdu != NULLP)
125 fillMsg4DlData(&msg4DlData);
129 /* MUXing for msg4 */
130 fillMacCe(&macCeData);
131 macMuxPdu(&msg4DlData, &macCeData, macCb.macCell->macRaCb[0].msg4TbSize);
133 /* storing msg4 Pdu in macDlSlot */
134 if(macCb.macCell->macRaCb[0].msg4TxPdu)
136 msg4Alloc->msg4Info.msg4PduLen = macCb.macCell->macRaCb[0].msg4TbSize;
137 MAC_ALLOC(msg4Alloc->msg4Info.msg4Pdu, msg4Alloc->msg4Info.msg4PduLen);
138 if(msg4Alloc->msg4Info.msg4Pdu != NULLP)
140 memcpy(msg4Alloc->msg4Info.msg4Pdu, macCb.macCell->macRaCb[0].msg4TxPdu, \
141 msg4Alloc->msg4Info.msg4PduLen);
146 DU_LOG("\nMAC: Failed at macMuxPdu()");
149 /* TODO: Free all allocated memory, after the usage */
150 /* MAC_FREE(macCb.macCell->macRaCb[0].msg4TxPdu, \
151 macCb.macCell->macRaCb[0].msg4TbSize); // TODO: To be freed after re-transmission is successful.
152 MAC_FREE(dlSchedInfo->msg4Alloc->msg4Info.msg4Pdu,\
153 macCb.macCell->macRaCb[0].msg4PduLen); //TODO: To be freed after lower-mac is succesfull
154 MAC_FREE(msg4DlData.pduInfo[0].dlPdu, macCb.macCell->macRaCb[0].msg4PduLen);
155 MAC_FREE(macCb.macCell->macRaCb[0].msg4Pdu, macCb.macCell->macRaCb[0].msg4PduLen); */
162 * @brief Transmission time interval indication from PHY.
166 * Function : sendSlotIndMacToSch
168 * This API is invoked by MAC to send slot ind to scheduler.
170 * @param[in] SlotIndInfo *slotInd
175 int sendSlotIndMacToSch(SlotIndInfo *slotInd)
177 /* fill Pst structure to send to lwr_mac to MAC */
180 fillMacToSchPst(&pst);
181 pst.event = EVENT_SLOT_IND_TO_SCH;
183 return(*macSchSlotIndOpts[pst.selector])(&pst,slotInd);
186 /*******************************************************************
188 * @brief Send slot indication to DU APP
192 * Function : sendSlotIndMacToDuApp
195 * Send slot indication to DU APP
197 * @params[in] Slot indication info
198 * @return ROK - success
201 * ****************************************************************/
202 int sendSlotIndMacToDuApp(SlotIndInfo *slotInd)
208 /* Allocate sharable memory */
209 MAC_ALLOC_SHRABL_BUF(slotInfo, sizeof(SlotInfo));
212 DU_LOG("\nMAC : Slot Indication memory allocation failed");
216 slotInfo->cellId = macCb.macCell->cellId;
217 slotInfo->sfn = slotInd->sfn;
218 slotInfo->slot = slotInd->slot;
221 pst.selector = DU_MAC_LWLC;
223 pst.dstEnt = ENTDUAPP;
225 pst.srcInst = macCb.macInst;
226 pst.dstProcId = rgCb[pst.srcInst].rgInit.procId;
227 pst.srcProcId = rgCb[pst.srcInst].rgInit.procId;
228 pst.region = MAC_MEM_REGION;
230 pst.event = EVENT_MAC_SLOT_IND;
235 ret = MacDuAppSlotInd(&pst, slotInfo);
238 DU_LOG("\nMAC: Failed to send slot indication to DU APP");
239 MAC_FREE_SHRABL_BUF(MAC_MEM_REGION, MAC_POOL, slotInfo, sizeof(SlotInfo));
243 } /* sendSlotIndMacToDuApp */
247 * @brief Transmission time interval indication from PHY.
251 * Function : fapiMacSlotInd
253 * This API is invoked by PHY to indicate TTI indication to MAC for a cell.
255 * @param[in] Pst *pst
256 * @param[in] SuId suId
257 * @param[in] SlotIndInfo *slotInd
262 PUBLIC S16 fapiMacSlotInd
269 VOLATILE U32 startTime=0;
272 DU_LOG("\nMAC : Slot Indication received");
276 SStartTask(&startTime, PID_MAC_TTI_IND);
278 /* send slot indication to scheduler */
279 ret = sendSlotIndMacToSch(slotInd);
282 DU_LOG("\nMAC : Sending of slot ind msg from MAC to SCH failed");
286 ret = macProcessSlotInd(inst,*slotInd);
289 DU_LOG("\nMAC : macProcessSlotInd failed");
293 /* send slot indication to du app */
294 ret = sendSlotIndMacToDuApp(slotInd);
297 DU_LOG("\nMAC :Sending of slot ind msg from MAC to DU APP failed");
302 SStopTask(startTime, PID_MAC_TTI_IND);
305 } /* fapiMacSlotInd */
307 /**********************************************************************
309 **********************************************************************/