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 /* header include files -- defines (.h) */
20 #include "envopt.h" /* environment options */
21 #include "envdep.h" /* environment dependent */
22 #include "envind.h" /* environment independent */
23 #include "gen.h" /* general layer */
24 #include "ssi.h" /* system services */
25 #include "cm5.h" /* common timers defines */
26 #include "cm_hash.h" /* common hash list defines */
27 #include "cm_llist.h" /* common linked list defines */
28 #include "cm_mblk.h" /* memory management */
29 #include "cm_tkns.h" /* common tokens */
30 #include "cm_lte.h" /* common tokens */
33 #include "rg_sch_inf.h"
41 /* header/extern include files (.x) */
42 #include "gen.x" /* general layer typedefs */
43 #include "ssi.x" /* system services typedefs */
44 #include "cm5.x" /* common timers */
45 #include "cm_hash.x" /* common hash list */
46 #include "cm_lib.x" /* common library */
47 #include "cm_llist.x" /* common linked list */
48 #include "cm_mblk.x" /* memory management */
49 #include "cm_tkns.x" /* common tokens */
50 #include "cm_lte.x" /* common tokens */
53 #include "rg_sch_inf.x"
57 #include "du_app_mac_inf.h"
58 #include "mac_upr_inf_api.h"
60 #include "lwr_mac_fsm.h"
63 /* This file contains message handling functionality for MAC */
67 extern void sendToLowerMac(uint16_t msgType, uint32_t msgLen, void *msg);
69 /* Function pointer for sending crc ind from MAC to SCH */
70 MacSchCrcIndFunc macSchCrcIndOpts[]=
77 /*******************************************************************
79 * @brief Sends CRC Indication to SCH
83 * Function : sendCrcIndMacToSch
86 * Sends CRC Indication to SCH
89 * @return ROK - success
92 ****************************************************************/
93 int sendCrcIndMacToSch(CrcIndInfo *crcInd)
97 fillMacToSchPst(&pst);
98 pst.event = EVENT_CRC_IND_TO_SCH;
100 return(*macSchCrcIndOpts[pst.selector])(&pst, crcInd);
103 /*******************************************************************
105 * @brief Processes CRC Indication from PHY
109 * Function : fapiMacCrcInd
112 * Processes CRC Indication from PHY
114 * @params[in] Post Structure Pointer
115 * Crc Indication Pointer
116 * @return ROK - success
119 * ****************************************************************/
120 uint16_t fapiMacCrcInd(Pst *pst, CrcInd *crcInd)
122 CrcIndInfo crcIndInfo;
124 DU_LOG("\nMAC : Received CRC indication");
126 /* Considering one pdu and one preamble */
127 crcIndInfo.cellId = macCb.macCell->cellId;;
128 crcIndInfo.crnti = crcInd->crcInfo[0].rnti;
129 crcIndInfo.timingInfo.sfn = crcInd->timingInfo.sfn;
130 crcIndInfo.timingInfo.slot = crcInd->timingInfo.slot;
131 crcIndInfo.numCrcInd = crcInd->crcInfo[0].numCb;
132 crcIndInfo.crcInd[0] = crcInd->crcInfo[0].cbCrcStatus[0];
134 return(sendCrcIndMacToSch(&crcIndInfo));
137 /*******************************************************************
139 * @brief Process Rx Data Ind at MAC
143 * Function : fapiMacRxDataInd
146 * Process Rx Data Ind at MAC
148 * @params[in] Post structure
150 * @return ROK - success
153 * ****************************************************************/
154 uint16_t fapiMacRxDataInd(Pst *pst, RxDataInd *rxDataInd)
158 DU_LOG("\nMAC : Received Rx Data indication");
159 for(pduIdx = 0; pduIdx < rxDataInd->numPdus; pduIdx++)
161 unpackRxData(rxDataInd->timingInfo, &rxDataInd->pdus[pduIdx]);
166 /*******************************************************************
168 * @brief Processes DL data from RLC
172 * Function : MacRlcProcDlData
175 * Processes DL data from RLC
177 * @params[in] Post structure
179 * @return ROK - success
182 * ****************************************************************/
183 uint16_t MacRlcProcDlData(Pst* pst, SpId spId, RlcMacData *dlData)
188 /*******************************************************************
190 * @brief Processes BO status from RLC
194 * Function : MacRlcProcBOStatus
197 * Processes BO status from RLC
199 * @params[in] Post structure
201 * @return ROK - success
204 * ****************************************************************/
205 uint16_t MacRlcProcBOStatus(Pst* pst, SpId spId, RlcMacBOStatus* boStatus)
211 /*******************************************************************
213 * @brief Handles cell start reuqest from DU APP
217 * Function : MacHdlCellStartReq
220 * Handles cell start reuqest from DU APP
222 * @params[in] Post structure pointer
223 * Cell Start Request info pointer
224 * @return ROK - success
227 * ****************************************************************/
228 uint16_t MacHdlCellStartReq(Pst *pst, MacCellStartInfo *cellStartInfo)
230 DU_LOG("\nMAC : Handling cell start request");
231 sendToLowerMac(START_REQUEST, 0, cellStartInfo);
233 MAC_FREE_SHRABL_BUF(pst->region, pst->pool, cellStartInfo, \
234 sizeof(MacCellStartInfo));
239 /*******************************************************************
241 * @brief Handles cell stop request from DU APP
245 * Function : MacHdlCellStartReq
248 * Handles cell stop request from DU APP
250 * @params[in] Post structure pointer
251 * Mac Cell stop information
252 * @return ROK - success
255 * ****************************************************************/
256 uint16_t MacHdlCellStopReq(Pst *pst, MacCellStopInfo *cellStopInfo)
259 DU_LOG("\nMAC : Sending cell stop request to Lower Mac");
260 sendToLowerMac(FAPI_STOP_REQUEST, 0, cellStopInfo);
263 MAC_FREE_SHRABL_BUF(pst->region, pst->pool, cellStopInfo, \
264 sizeof(MacCellStopInfo));
269 /*******************************************************************
271 * @brief Handles DL CCCH Ind from DU APP
275 * Function : MacHdlDlCcchInd
278 * Handles DL CCCH Ind from DU APP
280 * @params[in] Post structure pointer
281 * DL CCCH Ind pointer
282 * @return ROK - success
285 * ****************************************************************/
286 uint16_t MacHdlDlCcchInd(Pst *pst, DlCcchIndInfo *dlCcchIndInfo)
288 DU_LOG("\nMAC : Handling DL CCCH IND");
290 MAC_FREE_SHRABL_BUF(pst->region, pst->pool, dlCcchIndInfo->dlCcchMsg, strlen((const char*)dlCcchIndInfo->dlCcchMsg));
291 MAC_FREE_SHRABL_BUF(pst->region, pst->pool, dlCcchIndInfo, sizeof(DlCcchIndInfo));
296 /*******************************************************************
298 * @brief Sends UL CCCH Ind to DU APP
302 * Function : macSendUlCcchInd
305 * MAC sends UL CCCH Ind to DU APP
307 * @params[in] Post structure pointer
309 * @return ROK - success
312 * ****************************************************************/
313 uint16_t macSendUlCcchInd(uint8_t *rrcContainer, uint16_t cellId, uint16_t crnti)
317 UlCcchIndInfo *ulCcchIndInfo = NULLP;
319 MAC_ALLOC_SHRABL_BUF(ulCcchIndInfo, sizeof(UlCcchIndInfo));
322 DU_LOG("\nMAC: Memory failed in macSendUlCcchInd");
326 ulCcchIndInfo->cellId = cellId;
327 ulCcchIndInfo->crnti = crnti;
328 ulCcchIndInfo->ulCcchMsg = rrcContainer;
331 pst.selector = DU_MAC_LWLC;
333 pst.dstEnt = ENTDUAPP;
335 pst.srcInst = macCb.macInst;
336 pst.dstProcId = rgCb[pst.srcInst].rgInit.procId;
337 pst.srcProcId = rgCb[pst.srcInst].rgInit.procId;
338 pst.region = MAC_MEM_REGION;
340 pst.event = EVENT_MAC_UL_CCCH_IND;
345 if(MacDuAppUlCcchInd(&pst, ulCcchIndInfo) != ROK)
347 DU_LOG("\nMAC: Failed to send UL CCCH Ind to DU APP");
348 MAC_FREE_SHRABL_BUF(MAC_MEM_REGION, MAC_POOL, ulCcchIndInfo->ulCcchMsg,
349 strlen((const char*)ulCcchIndInfo->ulCcchMsg));
350 MAC_FREE_SHRABL_BUF(MAC_MEM_REGION, MAC_POOL, ulCcchIndInfo, sizeof(UlCcchIndInfo));
359 /**********************************************************************
361 **********************************************************************/