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 *******************************************************************************/
19 /* This file contains message handling functionality for DU cell management */
20 #include "common_def.h"
27 #include "du_app_mac_inf.h"
28 #include "du_app_rlc_inf.h"
32 #include "du_cell_mgr.h"
36 #include "AlarmInterface.h"
37 #include "CmInterface.h"
41 DuMacCellDeleteReq packMacCellDeleteReqOpts[] =
43 packDuMacCellDeleteReq, /* Loose coupling */
44 MacProcCellDeleteReq, /* TIght coupling */
45 packDuMacCellDeleteReq /* Light weight-loose coupling */
48 /*******************************************************************
50 * @brief Processes cells to be activated
54 * Function : duProcCellsToBeActivated
57 * - Processes cells to be activated list received in F1SetupRsp
60 * @return ROK - success
63 * ****************************************************************/
64 uint8_t duProcCellsToBeActivated(uint8_t *plmnStr, uint16_t nci, uint16_t nRPci)
67 DuCellCb *cellCb = NULLP;
68 uint8_t cfgIdx, tmpPlmn[4];
70 for(cfgIdx=0; cfgIdx<duCb.numCfgCells; cfgIdx++)
72 memset(tmpPlmn, 0, 4);
73 buildPlmnId(duCb.cfgCellLst[cfgIdx]->cellInfo.nrEcgi.plmn, tmpPlmn);
74 if(duCb.cfgCellLst[cfgIdx]->cellInfo.nrEcgi.cellId == nci &&
75 (strcmp((const char*)tmpPlmn, (const char*)plmnStr) == 0))
77 cellCb = duCb.cfgCellLst[cfgIdx];
82 DU_LOG("\nERROR --> DU APP : No Cell found for NCI %d", nci);
87 cellCb->cellStatus = ACTIVATION_IN_PROGRESS;
88 cellCb->cellInfo.nrPci = nRPci;
90 duCb.actvCellLst[duCb.numActvCells++] = cellCb;
92 if(duBuildAndSendMacCellCfg(cellCb->cellId) != ROK)
94 DU_LOG("\nERROR --> DU APP : macCellCfg build and send failed");
95 /* Delete cell from actvCellList */
96 duCb.actvCellLst[--(duCb.numActvCells)] = NULLP;
102 /*******************************************************************
104 * @brief Handles DU F1Setup Rsp received in F1AP
108 * Function : duProcF1SetupRsp
111 * - Handles DU F1Setup Rsp received in F1AP
113 * @params[in] Pointer to F1SetupRsp
116 ******************************************************************/
117 void duProcF1SetupRsp()
119 DU_LOG("\nINFO --> DU_APP : F1 Setup Response received");
120 duCb.f1Status = TRUE; //Set F1 status as true
123 /*******************************************************************
125 * @brief Returns cellCb based on cell ID
129 * Function : duGetCellCb
131 * Functionality: Returns DU APP CellCb based on cell ID
133 * @params[in] F1AP_PDU_t ASN decoded F1AP message
134 * @return ROK - success
137 * ****************************************************************/
138 uint8_t duGetCellCb(uint16_t cellId, DuCellCb **cellCb)
141 for(cellIdx=0; cellIdx<duCb.numActvCells; cellIdx++)
143 if(duCb.actvCellLst[cellIdx]->cellId == cellId)
144 *cellCb = duCb.actvCellLst[cellIdx];
150 DU_LOG("\nERROR --> DU APP : Cell Id %d not found in DU APP", cellId);
157 /*******************************************************************
159 * @brief Handles cell up indication from MAC
163 * Function : duHandleCellUpInd
166 * Handles cell up indication from MAC
168 * @params[in] Post structure pointer
170 * @return ROK - success
173 * ****************************************************************/
174 uint8_t duHandleCellUpInd(Pst *pst, OduCellId *cellId)
176 DuCellCb *cellCb = NULLP;
180 /*Note: Static Configuration, when O1 is not configuring the RRM policy*/
181 RrmPolicy *rrmPolicy;
182 DU_ALLOC(rrmPolicy, sizeof(RrmPolicy));
183 rrmPolicy->rsrcType = RSRC_PRB;
184 rrmPolicy->numMemberList = 1;
185 DU_ALLOC(rrmPolicy->memberList, sizeof(PolicyMemberList *));
186 DU_ALLOC(rrmPolicy->memberList[0], sizeof(PolicyMemberList));
188 memset(&rrmPolicy->memberList[0]->plmn, 0, sizeof(Plmn));
189 rrmPolicy->memberList[0]->snssai.sst = 1;
190 rrmPolicy->memberList[0]->snssai.sd[0] = 2;
191 rrmPolicy->memberList[0]->snssai.sd[1] = 3;
192 rrmPolicy->memberList[0]->snssai.sd[2] = 4;
193 rrmPolicy->policyMinRatio = 30;
194 rrmPolicy->policyMaxRatio = 90;
195 rrmPolicy->policyDedicatedRatio = 10;
198 if(cellId->cellId <=0 || cellId->cellId > MAX_NUM_CELL)
200 DU_LOG("\nERROR --> DU APP : Invalid Cell Id %d in duHandleCellUpInd()", cellId->cellId);
204 if(duGetCellCb(cellId->cellId, &cellCb) != ROK)
207 if((cellCb != NULL) && (cellCb->cellStatus == ACTIVATION_IN_PROGRESS))
209 DU_LOG("\nINFO --> DU APP : 5G-NR Cell %d is UP", cellId->cellId);
210 cellCb->cellStatus = ACTIVATED;
211 gCellStatus = CELL_UP;
214 if(duCfgParam.tempSliceCfg.rrmPolicy)
215 BuildAndSendSliceConfigReq(duCfgParam.tempSliceCfg.rrmPolicy, duCfgParam.tempSliceCfg.totalRrmPolicy, duCfgParam.tempSliceCfg.totalSliceCount);
216 DU_LOG("\nINFO --> DU APP : Raise cell UP alarm for cell id=%d", cellId->cellId);
217 raiseCellAlrm(CELL_UP_ALARM_ID, cellId->cellId);
218 setCellOpState(cellId->cellId, ENABLED, ACTIVE);
220 BuildAndSendSliceConfigReq(&rrmPolicy,1, rrmPolicy->numMemberList);
225 if((pst->selector == ODU_SELECTOR_LWLC) || (pst->selector == ODU_SELECTOR_TC))
226 DU_FREE_SHRABL_BUF(pst->region, pst->pool, cellId, sizeof(OduCellId));
230 /*******************************************************************
232 * @brief Handle Cell delete response from MAC
236 * Function : DuProcMacCellDeleteRsp
238 * Functionality: Handle Cell delete response from MAC
240 * @params[in] Pointer to MacCellDeleteRsp and Pst
241 * @return ROK - success
244 * ****************************************************************/
246 uint8_t DuProcMacCellDeleteRsp(Pst *pst, MacCellDeleteRsp *deleteRsp)
253 if(deleteRsp->result == SUCCESSFUL_RSP)
255 GET_CELL_IDX(deleteRsp->cellId, cellIdx);
256 DU_LOG("\nINFO --> DU APP : MAC CELL Delete Response : SUCCESS [CELL IDX : %d]", deleteRsp->cellId);
257 if(duCb.actvCellLst[cellIdx]->cellId == deleteRsp->cellId)
259 memset(duCb.actvCellLst[cellIdx], 0, sizeof(DuCellCb));
260 gCellStatus = CELL_DOWN;
263 DU_LOG("\nINFO --> DU APP : Raise cell down alarm for cell id=%d", deleteRsp->cellId);
264 raiseCellAlrm(CELL_DOWN_ALARM_ID, deleteRsp->cellId);
265 setCellOpState(deleteRsp->cellId, DISABLED, INACTIVE);
270 DU_FREE(duCb.actvCellLst[cellIdx], sizeof(DuCellCb));
275 DU_LOG("\nERROR --> DU APP : DuProcMacCellDeleteRsp(): CellId [%d] doesnot exist", deleteRsp->cellId);
281 DU_LOG("\nERROR --> DU APP : DuProcMacCellDeleteRsp(): MAC CELL Delete Response : FAILED\
282 [CELL IDX : %d]", deleteRsp->cellId);
285 DU_FREE_SHRABL_BUF(pst->region, pst->pool, deleteRsp, sizeof(MacCellDeleteRsp));
289 DU_LOG("\nERROR --> DU APP : DuProcMacCellDeleteRsp(): Received MAC cell delete response is NULL");
295 /*******************************************************************
297 * @brief Sending Cell Delete Req To Mac
301 * Function : sendCellDeleteReqToMac
304 * sending Cell Delete Req To Mac
306 * @params[in] uint16_t cellId
307 * @return ROK - success
311 *****************************************************************/
313 uint8_t sendCellDeleteReqToMac(uint16_t cellId)
317 MacCellDelete *cellDelete = NULLP;
319 DU_ALLOC_SHRABL_BUF(cellDelete, sizeof(MacCellDelete));
322 cellDelete->cellId = cellId;
323 FILL_PST_DUAPP_TO_MAC(pst, EVENT_MAC_CELL_DELETE_REQ);
325 DU_LOG("\nINFO --> DU APP : Sending Cell Delete Request to MAC");
326 /* Processing one Cell at a time to MAC */
327 ret = (*packMacCellDeleteReqOpts[pst.selector])(&pst, cellDelete);
330 DU_LOG("\nERROR --> DU APP : sendCellDeleteReqToMac(): Failed to send Cell delete Req to MAC");
331 DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, cellDelete, sizeof(MacCellDelete));
336 DU_LOG("\nERROR --> DU APP : sendCellDeleteReqToMac(): Failed to allocate memory");
342 /*******************************************************************
344 * @brief DU preocess Cell Delete Req to MAC
348 * Function : duSendCellDeletReq
350 * Functionality: DU process Cell Delete Req to MAC
352 * @params[in] uint16_t cellId
353 * @return ROK - success
356 * ****************************************************************/
358 uint8_t duSendCellDeletReq(uint16_t cellId)
360 uint16_t cellIdx = 0;
361 DU_LOG("\nINFO --> DU APP : Processing Cell Delete Request ");
362 GET_CELL_IDX(cellId, cellIdx);
364 if(duCb.actvCellLst[cellIdx] == NULLP)
366 DU_LOG("\nERROR --> DU APP : duSendCellDeletReq(): CellId[%d] is not found", cellId);
370 if(duCb.actvCellLst[cellIdx]->cellId != cellId)
372 DU_LOG("\nERROR --> DU APP : duSendCellDeletReq(): CellId[%d] is not found", cellId);
377 if(duCb.actvCellLst[cellIdx]->cellStatus != DELETION_IN_PROGRESS)
379 DU_LOG("\nERROR --> DU APP : duSendCellDeletReq(): CellStatus[%d] of cellId[%d] is not correct.\
380 Expected CellStatus is DELETION_IN_PROGRESS",duCb.actvCellLst[cellIdx]->cellStatus, cellId);
384 if(duBuildAndSendMacCellStop(cellId) == RFAILED)
386 DU_LOG("\nERROR --> DU APP : duSendCellDeletReq(): Failed to build and send cell stop request to MAC for\
394 /**********************************************************************
396 **********************************************************************/