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 /*******************************************************************
69 * @brief Fills post structure
73 * Function : fillLwrMacToMacPst
76 * Fills post structure used to send message from lower MAC
79 * @params[in] Pst pointer
80 * @return ROK - success
83 * ****************************************************************/
84 void fillLwrMacToMacPst(Pst *pst)
94 pst->selector = MAC_SELECTOR_TC;
97 /*******************************************************************
99 * @brief Processes Slot Indication from PHY and sends to MAC
103 * Function : handleSlotInd
106 * Processes Slot Indication from PHY and sends to MAC
108 * @params[in] fapi_slot_ind_t pointer
109 * @return ROK - success
112 * ****************************************************************/
113 U16 handleSlotInd(fapi_slot_ind_t *fapiSlotInd)
115 /* fill Pst structure to send to lwr_mac to MAC */
120 fillLwrMacToMacPst(&pst);
121 pst.event = EVENT_SLOT_IND_TO_MAC;
123 slotInd.sfn = fapiSlotInd->sfn;
124 slotInd.slot = fapiSlotInd->slot;
126 ret = (*packSlotIndOpts[pst.selector])(&pst, &slotInd);
130 if(slotIndIdx > WLS_MEM_FREE_PRD)
134 freeWlsBlockList(slotIndIdx - 1);
141 /*******************************************************************
143 * @brief Processes Rach Indication from PHY and sends to MAC
147 * Function : handleRachInd
150 * Processes Rach Indication from PHY and sends to MAC
152 * @params[in] fapi_rach_indication_t pointer
153 * @return ROK - success
156 * ****************************************************************/
157 uint8_t handleRachInd(fapi_rach_indication_t *fapiRachInd)
162 RachPduInfo *rachPdu;
165 rachInd.timingInfo.sfn = fapiRachInd->sfn;
166 rachInd.timingInfo.slot = fapiRachInd->slot;
167 rachInd.numPdu = fapiRachInd->numPdus;
168 for(pduIdx=0; pduIdx < rachInd.numPdu; pduIdx++)
170 rachPdu = &rachInd.rachPdu[pduIdx];
171 rachPdu->pci = fapiRachInd->rachPdu[pduIdx].physCellId;
172 rachPdu->symbolIdx = fapiRachInd->rachPdu[pduIdx].symbolIndex;
173 rachPdu->slotIdx = fapiRachInd->rachPdu[pduIdx].slotIndex;
174 rachPdu->freqIdx = fapiRachInd->rachPdu[pduIdx].freqIndex;
175 rachPdu->numPream = fapiRachInd->rachPdu[pduIdx].numPreamble;
176 for(prmbleIdx=0; prmbleIdx<rachPdu->numPream; prmbleIdx++)
178 rachPdu->preamInfo[prmbleIdx].preamIdx = \
179 fapiRachInd->rachPdu[pduIdx].preambleInfo[prmbleIdx].preambleIndex;
180 rachPdu->preamInfo[prmbleIdx].timingAdv = \
181 fapiRachInd->rachPdu[pduIdx].preambleInfo[prmbleIdx].timingAdvance;
184 fillLwrMacToMacPst(&pst);
185 pst.event = EVENT_RACH_IND_TO_MAC;
187 (*sendRachIndOpts[pst.selector])(&pst, &rachInd);
194 void handlePhyMessages(uint16_t msgType, uint32_t msgSize, void *msg)
197 /* extract the header */
199 header = (fapi_msg_t *)msg;
201 switch(header->message_type_id)
203 case FAPI_PARAM_RESPONSE:
204 case FAPI_CONFIG_RESPONSE:
206 sendToLowerMac(msgType, msgSize, msg);
209 case FAPI_SLOT_INDICATION:
211 if(clGlobalCp.phyState == PHY_STATE_CONFIGURED)
213 DU_LOG("\nLOWER MAC: PHY has moved to running state");
214 clGlobalCp.phyState = PHY_STATE_RUNNING;
217 fapi_slot_ind_t *slotInd;
218 slotInd = (fapi_slot_ind_t *)msg;
219 handleSlotInd(slotInd);
222 case FAPI_ERROR_INDICATION:
226 case FAPI_RX_DATA_INDICATION:
230 case FAPI_CRC_INDICATION:
234 case FAPI_UCI_INDICATION:
238 case FAPI_SRS_INDICATION:
242 case FAPI_RACH_INDICATION:
244 fapi_rach_indication_t *rachInd;
245 rachInd = (fapi_rach_indication_t *)msg;
246 handleRachInd(rachInd);
251 WLS_MEM_FREE(msg, LWR_MAC_WLS_BUF_SIZE);
256 /**********************************************************************
258 **********************************************************************/