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[] =
83 /* Function pointer for stop indication from lower mac to mac */
84 packStopIndMsg sendStopIndOpts[] =
90 /*******************************************************************
92 * @brief Fills post structure
96 * Function : fillLwrMacToMacPst
99 * Fills post structure used to send message from lower MAC
102 * @params[in] Pst pointer
103 * @return ROK - success
106 * ****************************************************************/
107 void fillLwrMacToMacPst(Pst *pst)
117 pst->selector = MAC_SELECTOR_TC;
120 /*******************************************************************
122 * @brief Processes Slot Indication from PHY and sends to MAC
126 * Function : handleSlotInd
129 * Processes Slot Indication from PHY and sends to MAC
131 * @params[in] fapi_slot_ind_t pointer
132 * @return ROK - success
135 * ****************************************************************/
136 U16 handleSlotInd(fapi_slot_ind_t *fapiSlotInd)
138 /* fill Pst structure to send to lwr_mac to MAC */
143 fillLwrMacToMacPst(&pst);
144 pst.event = EVENT_SLOT_IND_TO_MAC;
146 slotInd.sfn = fapiSlotInd->sfn;
147 slotInd.slot = fapiSlotInd->slot;
149 ret = (*packSlotIndOpts[pst.selector])(&pst, &slotInd);
153 if(slotIndIdx > WLS_MEM_FREE_PRD)
157 freeWlsBlockList(slotIndIdx - 1);
163 /*******************************************************************
165 * @brief Handles stop indication recived from PHY
169 * Function : handleStopInd
172 * Handles Stop Indication received from PHY
174 * @return ROK - success
177 * ****************************************************************/
178 uint8_t handleStopInd()
183 clGlobalCp.phyState = PHY_STATE_CONFIGURED;
184 DU_LOG("\nLWR_MAC: PHY has moved to configured state");
186 fillLwrMacToMacPst(&pst);
187 pst.event = EVENT_STOP_IND_TO_MAC;
189 ret = (*sendStopIndOpts[pst.selector])(&pst);
192 /*******************************************************************
194 * @brief Processes Rach Indication from PHY and sends to MAC
198 * Function : handleRachInd
201 * Processes Rach Indication from PHY and sends to MAC
203 * @params[in] fapi_rach_indication_t pointer
204 * @return ROK - success
207 * ****************************************************************/
208 uint8_t handleRachInd(fapi_rach_indication_t *fapiRachInd)
213 RachPduInfo *rachPdu;
216 rachInd.timingInfo.sfn = fapiRachInd->sfn;
217 rachInd.timingInfo.slot = fapiRachInd->slot;
218 rachInd.numPdu = fapiRachInd->numPdus;
219 for(pduIdx=0; pduIdx < rachInd.numPdu; pduIdx++)
221 rachPdu = &rachInd.rachPdu[pduIdx];
222 rachPdu->pci = fapiRachInd->rachPdu[pduIdx].physCellId;
223 rachPdu->symbolIdx = fapiRachInd->rachPdu[pduIdx].symbolIndex;
224 rachPdu->slotIdx = fapiRachInd->rachPdu[pduIdx].slotIndex;
225 rachPdu->freqIdx = fapiRachInd->rachPdu[pduIdx].freqIndex;
226 rachPdu->numPream = fapiRachInd->rachPdu[pduIdx].numPreamble;
227 for(prmbleIdx=0; prmbleIdx<rachPdu->numPream; prmbleIdx++)
229 rachPdu->preamInfo[prmbleIdx].preamIdx = \
230 fapiRachInd->rachPdu[pduIdx].preambleInfo[prmbleIdx].preambleIndex;
231 rachPdu->preamInfo[prmbleIdx].timingAdv = \
232 fapiRachInd->rachPdu[pduIdx].preambleInfo[prmbleIdx].timingAdvance;
235 fillLwrMacToMacPst(&pst);
236 pst.event = EVENT_RACH_IND_TO_MAC;
238 (*sendRachIndOpts[pst.selector])(&pst, &rachInd);
243 /*******************************************************************
245 * @brief Handles CRC indication from PHY and sends to MAC
249 * Function : handleCrcInd
252 * Handles CRC indication from PHY and sends to MAC
254 * @params[in] fapi_crc_ind_t message pointer
255 * @return ROK - success
258 * ****************************************************************/
260 uint8_t handleCrcInd(fapi_crc_ind_t *fapiCrcInd)
264 uint8_t crcStatusIdx;
268 crcInd.timingInfo.sfn = fapiCrcInd->sfn;
269 crcInd.timingInfo.slot = fapiCrcInd->slot;
270 crcInd.numCrc = fapiCrcInd->numCrcs;
272 for(crcInfoIdx = 0; crcInfoIdx < crcInd.numCrc; crcInfoIdx++)
274 crcIndInfo = &crcInd.crcInfo[crcInfoIdx];
275 crcIndInfo->handle = fapiCrcInd->crc[crcInfoIdx].handle;
276 crcIndInfo->rnti = fapiCrcInd->crc[crcInfoIdx].rnti;
277 crcIndInfo->harqId = fapiCrcInd->crc[crcInfoIdx].harqId;
278 crcIndInfo->tbCrcStatus = fapiCrcInd->crc[crcInfoIdx].tbCrcStatus;
279 crcIndInfo->numCb = fapiCrcInd->crc[crcInfoIdx].numCb;
280 for(crcStatusIdx = 0; crcStatusIdx < crcIndInfo->numCb; crcStatusIdx++)
282 crcIndInfo->cbCrcStatus[crcStatusIdx] = \
283 fapiCrcInd->crc[crcInfoIdx].cbCrcStatus[crcStatusIdx];
285 crcIndInfo->ul_cqi = fapiCrcInd->crc[crcInfoIdx].ul_cqi;
286 crcIndInfo->timingAdvance = fapiCrcInd->crc[crcInfoIdx].timingAdvance;
287 crcIndInfo->rssi = fapiCrcInd->crc[crcInfoIdx].rssi;
290 fillLwrMacToMacPst(&pst);
291 pst.event = EVENT_CRC_IND_TO_MAC;
293 (*sendCrcIndOpts[pst.selector])(&pst, &crcInd);
298 /*******************************************************************
300 * @brief Handles Rx Data indication from PHY and sends to MAC
304 * Function : handleRxDataInd
307 * Handles Rx Data indication from PHY and sends to MAC
309 * @params[in] fapi_rx_data_indication_t message pointer
310 * @return ROK - success
313 * ****************************************************************/
315 uint8_t handleRxDataInd(fapi_rx_data_indication_t *fapiRxDataInd)
322 rxDataInd.timingInfo.sfn = fapiRxDataInd->sfn;
323 rxDataInd.timingInfo.slot = fapiRxDataInd->slot;
324 rxDataInd.numPdus = fapiRxDataInd->numPdus;
326 for(pduIdx = 0; pduIdx < rxDataInd.numPdus; pduIdx++)
328 pdu = &rxDataInd.pdus[pduIdx];
329 pdu->handle = fapiRxDataInd->pdus[pduIdx].handle;
330 pdu->rnti = fapiRxDataInd->pdus[pduIdx].rnti;
331 pdu->harqId = fapiRxDataInd->pdus[pduIdx].harqId;
332 pdu->pduLength = fapiRxDataInd->pdus[pduIdx].pduLength;
333 pdu->ul_cqi = fapiRxDataInd->pdus[pduIdx].ul_cqi;
334 pdu->timingAdvance = fapiRxDataInd->pdus[pduIdx].timingAdvance;
335 pdu->rssi = fapiRxDataInd->pdus[pduIdx].rssi;
336 /* TODO : Copy pdu from FAPI msg to MAC structure*/
340 fillLwrMacToMacPst(&pst);
341 pst.event = EVENT_RX_DATA_IND_TO_MAC;
343 (*sendRxDataIndOpts[pst.selector])(&pst, &rxDataInd);
349 void handlePhyMessages(uint16_t msgType, uint32_t msgSize, void *msg)
352 /* extract the header */
354 header = (fapi_msg_t *)msg;
356 switch(header->message_type_id)
358 case FAPI_PARAM_RESPONSE:
359 case FAPI_CONFIG_RESPONSE:
361 sendToLowerMac(msgType, msgSize, msg);
364 case FAPI_SLOT_INDICATION:
366 if(clGlobalCp.phyState == PHY_STATE_CONFIGURED)
368 DU_LOG("\nLWR_MAC: PHY has moved to running state");
369 clGlobalCp.phyState = PHY_STATE_RUNNING;
372 fapi_slot_ind_t *slotInd;
373 slotInd = (fapi_slot_ind_t *)msg;
374 handleSlotInd(slotInd);
377 case FAPI_ERROR_INDICATION:
381 case FAPI_RX_DATA_INDICATION:
383 fapi_rx_data_indication_t *rxDataInd;
384 rxDataInd = (fapi_rx_data_indication_t *)msg;
385 handleRxDataInd(rxDataInd);
388 case FAPI_CRC_INDICATION:
390 fapi_crc_ind_t *crcInd;
391 crcInd = (fapi_crc_ind_t *)msg;
392 handleCrcInd(crcInd);
395 case FAPI_UCI_INDICATION:
399 case FAPI_SRS_INDICATION:
403 case FAPI_RACH_INDICATION:
405 fapi_rach_indication_t *rachInd;
406 rachInd = (fapi_rach_indication_t *)msg;
407 handleRachInd(rachInd);
410 case FAPI_STOP_INDICATION:
412 DU_LOG("\nLWR_MAC: Handling Stop Indication");
418 WLS_MEM_FREE(msg, LWR_MAC_WLS_BUF_SIZE);
423 /**********************************************************************
425 **********************************************************************/