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 (.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_lte.h" /* Common LTE Defines */
29 #include "cm_mblk.h" /* Common LTE Defines */
30 #include "tfu.h" /* RGU Interface defines */
35 /* header/extern include files (.x) */
36 #include "gen.x" /* general */
37 #include "ssi.x" /* system services */
38 #include "cm_tkns.x" /* Common Token Definitions */
39 #include "cm_llist.x" /* Common Link List Definitions */
40 #include "cm_lib.x" /* Common Library Definitions */
41 #include "cm_hash.x" /* Common Hash List Definitions */
42 #include "cm_lte.x" /* Common LTE Defines */
43 #include "cm_mblk.x" /* Common LTE Defines */
44 #include "tfu.x" /* RGU Interface includes */
46 #include "lwr_mac_fsm.h"
47 #include "lwr_mac_phy.h"
48 #include "lwr_mac_upr_inf.h"
51 /* Function pointer for slot indication from lower mac to mac */
52 packSlotIndMsg packSlotIndOpts[] =
54 packLcSlotInd, /* packing for loosely coupled */
55 fapiMacSlotInd, /* packing for tightly coupled */
56 packLwlcSlotInd /* packing for light weight loosly coupled */
59 /* Function pointer for rach indication from lower mac to mac */
60 packRachIndMsg sendRachIndOpts[] =
67 /* Function pointer for crc indication from lower mac to mac */
68 packCrcIndMsg sendCrcIndOpts[] =
75 /* Function pointer for Rx Data indication from lower mac to mac */
76 packRxDataIndMsg sendRxDataIndOpts[] =
84 /*******************************************************************
86 * @brief Fills post structure
90 * Function : fillLwrMacToMacPst
93 * Fills post structure used to send message from lower MAC
96 * @params[in] Pst pointer
97 * @return ROK - success
100 * ****************************************************************/
101 void fillLwrMacToMacPst(Pst *pst)
111 pst->selector = MAC_SELECTOR_TC;
114 /*******************************************************************
116 * @brief Processes Slot Indication from PHY and sends to MAC
120 * Function : handleSlotInd
123 * Processes Slot Indication from PHY and sends to MAC
125 * @params[in] fapi_slot_ind_t pointer
126 * @return ROK - success
129 * ****************************************************************/
130 U16 handleSlotInd(fapi_slot_ind_t *fapiSlotInd)
132 /* fill Pst structure to send to lwr_mac to MAC */
137 fillLwrMacToMacPst(&pst);
138 pst.event = EVENT_SLOT_IND_TO_MAC;
140 slotInd.sfn = fapiSlotInd->sfn;
141 slotInd.slot = fapiSlotInd->slot;
143 ret = (*packSlotIndOpts[pst.selector])(&pst, &slotInd);
147 if(slotIndIdx > WLS_MEM_FREE_PRD)
151 freeWlsBlockList(slotIndIdx - 1);
158 /*******************************************************************
160 * @brief Processes Rach Indication from PHY and sends to MAC
164 * Function : handleRachInd
167 * Processes Rach Indication from PHY and sends to MAC
169 * @params[in] fapi_rach_indication_t pointer
170 * @return ROK - success
173 * ****************************************************************/
174 uint8_t handleRachInd(fapi_rach_indication_t *fapiRachInd)
179 RachPduInfo *rachPdu;
182 rachInd.timingInfo.sfn = fapiRachInd->sfn;
183 rachInd.timingInfo.slot = fapiRachInd->slot;
184 rachInd.numPdu = fapiRachInd->numPdus;
185 for(pduIdx=0; pduIdx < rachInd.numPdu; pduIdx++)
187 rachPdu = &rachInd.rachPdu[pduIdx];
188 rachPdu->pci = fapiRachInd->rachPdu[pduIdx].physCellId;
189 rachPdu->symbolIdx = fapiRachInd->rachPdu[pduIdx].symbolIndex;
190 rachPdu->slotIdx = fapiRachInd->rachPdu[pduIdx].slotIndex;
191 rachPdu->freqIdx = fapiRachInd->rachPdu[pduIdx].freqIndex;
192 rachPdu->numPream = fapiRachInd->rachPdu[pduIdx].numPreamble;
193 for(prmbleIdx=0; prmbleIdx<rachPdu->numPream; prmbleIdx++)
195 rachPdu->preamInfo[prmbleIdx].preamIdx = \
196 fapiRachInd->rachPdu[pduIdx].preambleInfo[prmbleIdx].preambleIndex;
197 rachPdu->preamInfo[prmbleIdx].timingAdv = \
198 fapiRachInd->rachPdu[pduIdx].preambleInfo[prmbleIdx].timingAdvance;
201 fillLwrMacToMacPst(&pst);
202 pst.event = EVENT_RACH_IND_TO_MAC;
204 (*sendRachIndOpts[pst.selector])(&pst, &rachInd);
209 /*******************************************************************
211 * @brief Handles CRC indication from PHY and sends to MAC
215 * Function : handleCrcInd
218 * Handles CRC indication from PHY and sends to MAC
220 * @params[in] fapi_crc_ind_t message pointer
221 * @return ROK - success
224 * ****************************************************************/
226 uint8_t handleCrcInd(fapi_crc_ind_t *fapiCrcInd)
230 uint8_t crcStatusIdx;
234 crcInd.timingInfo.sfn = fapiCrcInd->sfn;
235 crcInd.timingInfo.slot = fapiCrcInd->slot;
236 crcInd.numCrc = fapiCrcInd->numCrcs;
238 for(crcInfoIdx = 0; crcInfoIdx < crcInd.numCrc; crcInfoIdx++)
240 crcIndInfo = &crcInd.crcInfo[crcInfoIdx];
241 crcIndInfo->handle = fapiCrcInd->crc[crcInfoIdx].handle;
242 crcIndInfo->rnti = fapiCrcInd->crc[crcInfoIdx].rnti;
243 crcIndInfo->harqId = fapiCrcInd->crc[crcInfoIdx].harqId;
244 crcIndInfo->tbCrcStatus = fapiCrcInd->crc[crcInfoIdx].tbCrcStatus;
245 crcIndInfo->numCb = fapiCrcInd->crc[crcInfoIdx].numCb;
246 for(crcStatusIdx = 0; crcStatusIdx < crcIndInfo->numCb; crcStatusIdx++)
248 crcIndInfo->cbCrcStatus[crcStatusIdx] = \
249 fapiCrcInd->crc[crcInfoIdx].cbCrcStatus[crcStatusIdx];
251 crcIndInfo->ul_cqi = fapiCrcInd->crc[crcInfoIdx].ul_cqi;
252 crcIndInfo->timingAdvance = fapiCrcInd->crc[crcInfoIdx].timingAdvance;
253 crcIndInfo->rssi = fapiCrcInd->crc[crcInfoIdx].rssi;
256 fillLwrMacToMacPst(&pst);
257 pst.event = EVENT_CRC_IND_TO_MAC;
259 (*sendCrcIndOpts[pst.selector])(&pst, &crcInd);
264 /*******************************************************************
266 * @brief Handles Rx Data indication from PHY and sends to MAC
270 * Function : handleRxDataInd
273 * Handles Rx Data indication from PHY and sends to MAC
275 * @params[in] fapi_rx_data_indication_t message pointer
276 * @return ROK - success
279 * ****************************************************************/
281 uint8_t handleRxDataInd(fapi_rx_data_indication_t *fapiRxDataInd)
288 rxDataInd.timingInfo.sfn = fapiRxDataInd->sfn;
289 rxDataInd.timingInfo.slot = fapiRxDataInd->slot;
290 rxDataInd.numPdus = fapiRxDataInd->numPdus;
292 for(pduIdx = 0; pduIdx < rxDataInd.numPdus; pduIdx++)
294 pdu = &rxDataInd.pdus[pduIdx];
295 pdu->handle = fapiRxDataInd->pdus[pduIdx].handle;
296 pdu->rnti = fapiRxDataInd->pdus[pduIdx].rnti;
297 pdu->harqId = fapiRxDataInd->pdus[pduIdx].harqId;
298 pdu->pduLength = fapiRxDataInd->pdus[pduIdx].pduLength;
299 pdu->ul_cqi = fapiRxDataInd->pdus[pduIdx].ul_cqi;
300 pdu->timingAdvance = fapiRxDataInd->pdus[pduIdx].timingAdvance;
301 pdu->rssi = fapiRxDataInd->pdus[pduIdx].rssi;
302 /* TODO : Copy pdu from FAPI msg to MAC structure*/
306 fillLwrMacToMacPst(&pst);
307 pst.event = EVENT_RX_DATA_IND_TO_MAC;
309 (*sendRxDataIndOpts[pst.selector])(&pst, &rxDataInd);
315 void handlePhyMessages(uint16_t msgType, uint32_t msgSize, void *msg)
318 /* extract the header */
320 header = (fapi_msg_t *)msg;
322 switch(header->message_type_id)
324 case FAPI_PARAM_RESPONSE:
325 case FAPI_CONFIG_RESPONSE:
327 sendToLowerMac(msgType, msgSize, msg);
330 case FAPI_SLOT_INDICATION:
332 if(clGlobalCp.phyState == PHY_STATE_CONFIGURED)
334 DU_LOG("\nLWR_MAC: PHY has moved to running state");
335 clGlobalCp.phyState = PHY_STATE_RUNNING;
338 fapi_slot_ind_t *slotInd;
339 slotInd = (fapi_slot_ind_t *)msg;
340 handleSlotInd(slotInd);
343 case FAPI_ERROR_INDICATION:
347 case FAPI_RX_DATA_INDICATION:
349 fapi_rx_data_indication_t *rxDataInd;
350 rxDataInd = (fapi_rx_data_indication_t *)msg;
351 handleRxDataInd(rxDataInd);
354 case FAPI_CRC_INDICATION:
356 fapi_crc_ind_t *crcInd;
357 crcInd = (fapi_crc_ind_t *)msg;
358 handleCrcInd(crcInd);
361 case FAPI_UCI_INDICATION:
365 case FAPI_SRS_INDICATION:
369 case FAPI_RACH_INDICATION:
371 fapi_rach_indication_t *rachInd;
372 rachInd = (fapi_rach_indication_t *)msg;
373 handleRachInd(rachInd);
378 WLS_MEM_FREE(msg, LWR_MAC_WLS_BUF_SIZE);
383 /**********************************************************************
385 **********************************************************************/