# limitations under the License. #
################################################################################
*******************************************************************************/
-#include <stdlib.h>
-#include <stdint.h>
-#include <stdbool.h>
/* header include files -- defines (.h) */
-#include "envopt.h" /* environment options */
-#include "envdep.h" /* environment dependent */
-#include "envind.h" /* environment independent */
-#include "gen.h" /* general layer */
-#include "ssi.h" /* system service interface */
-#include "cm_hash.h" /* common hash list */
-#include "cm_mblk.h" /* common memory link list library */
-#include "cm_llist.h" /* common linked list library */
-#include "cm_err.h" /* common error */
-#include "cm_lte.h" /* common LTE */
+#include "common_def.h"
#include "lrg.h" /* Layer manager interface includes*/
-#include "crg.h" /* CRG interface includes*/
-#include "rgu.h" /* RGU interface includes*/
-#include "tfu.h" /* TFU interface includes */
-#include "rg_sch_inf.h" /* SCH interface includes */
-#include "rg_prg.h" /* PRG (MAC-MAC) interface includes*/
-#include "rg_env.h" /* MAC environmental includes*/
-#include "rg.h" /* MAC includes*/
-#include "rg_err.h" /* MAC error includes*/
-#include "du_log.h"
-
-/* header/extern include files (.x) */
-#include "gen.x" /* general layer typedefs */
-#include "ssi.x" /* system services typedefs */
-#include "cm5.x" /* common timers */
-#include "cm_hash.x" /* common hash list */
-#include "cm_lib.x" /* common library */
-#include "cm_llist.x" /* common linked list */
-#include "cm_mblk.x" /* memory management */
-#include "cm_tkns.x" /* common tokens */
-#include "cm_lte.x" /* common tokens */
-#include "rgu.x" /* RGU types */
-#include "tfu.x" /* RGU types */
#include "lrg.x" /* layer management typedefs for MAC */
-#include "crg.x" /* CRG interface includes */
-#include "rg_sch_inf.x" /* SCH interface typedefs */
-#include "rg_prg.x" /* PRG (MAC-MAC) Interface typedefs */
#include "du_app_mac_inf.h"
+#include "mac_sch_interface.h"
+#include "lwr_mac_upr_inf.h"
#include "mac.h"
-#include "rg.x" /* typedefs for MAC */
+#include "mac_utils.h"
+
/*******************************************************************
*
* RFAILED
*
* ****************************************************************/
-int unpackRxData(RxDataIndPdu *rxDataIndPdu)
+uint8_t unpackRxData(uint16_t cellId, SlotTimingInfo slotInfo, RxDataIndPdu *rxDataIndPdu)
{
- uint8_t lcId;
- uint8_t idx = 0;
- uint16_t length;
- uint8_t *pdu;
- uint16_t pduLen;
- uint8_t *rxDataPdu;
+ uint8_t ueId = 0; /* UE Identity */
+ uint8_t ueIdx = 0; /* Iterator for UE list */
+ uint8_t lcId = 0; /* LC ID of a sub pdu */
+ uint8_t fBit = 0; /* Value of F Bit in MAC sub-header */
+ uint8_t rxPduIdx = 0; /* Iterator for received PDU */
+ uint16_t length = 0; /* Length of payload in a sub-PDU */
+ uint8_t *pdu = NULLP; /* Payload in sub-PDU */
+ uint16_t pduLen = 0; /* Length of undecoded PDU */
+ uint8_t *rxDataPdu = NULLP; /* Received PDU in Rx Data Ind */
+ uint16_t cellIdx = 0; /* Cell Index */
+ uint8_t ret =ROK;
+
+ GET_CELL_IDX(cellId, cellIdx);
+
+ if(rxDataIndPdu == NULLP)
+ {
+ DU_LOG("\nERROR --> MAC: Rx Data is empty");
+ return RFAILED;
+ }
+ if(macCb.macCell[cellIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> CellId :%d is not created, as CellCB is empty", cellId);
+ return RFAILED;
+ }
pduLen = rxDataIndPdu->pduLength;
rxDataPdu = rxDataIndPdu->pduData;
+ GET_UE_ID(rxDataIndPdu->rnti, ueId);
+ ueIdx = ueId -1;
while(pduLen > 0)
{
+ /* MSB in 1st octet is Reserved bit. Hence not decoding it.
+ 2nd MSB in 1st octet is R/F bit depending upon type of payload */
+ fBit = (1 << 7) & rxDataPdu[rxPduIdx];
+
/* LC id is the 6 LSB in 1st octet */
- lcId = (~((~0) << 6)) & rxDataPdu[idx];
+ lcId = (~((~0) << 6)) & rxDataPdu[rxPduIdx];
+ pdu = NULLP;
switch(lcId)
{
case MAC_LCID_CCCH :
- {
- pduLen--;
-
- /* for UL CCCH,fixed length of MAC SDU */
- length = 6;
-
- /* Allocating sharable memory to send ul ccch msg to du app*/
- MAC_ALLOC_SHRABL_BUF(pdu, length);
- if(!pdu)
{
- DU_LOG("\nMAC : UL CCCH PDU memory allocation failed");
- return RFAILED;
- }
- idx++;
- memcpy(pdu, &rxDataPdu[idx], length);
- pduLen -= length;
- idx = idx + length;
+ pduLen--;
- /* store msg3 pdu in macRaCb for CRI value */
- memcpy(macCb.macCell->macRaCb[0].msg3Pdu, pdu, length);
+ /* for UL CCCH,fixed length of MAC SDU */
+ length = 6;
+
+ /* Allocating sharable memory to send ul ccch msg to du app*/
+ MAC_ALLOC_SHRABL_BUF(pdu, length);
+ if(!pdu)
+ {
+ DU_LOG("\nERROR --> MAC : UL CCCH PDU memory allocation failed");
+ return RFAILED;
+ }
+ rxPduIdx++;
+ memcpy(pdu, &rxDataPdu[rxPduIdx], length);
+ pduLen -= length;
+ rxPduIdx = rxPduIdx + length;
- /* Send UL-CCCH Indication to DU APP */
- macSendUlCcchInd(pdu, macCb.macCell->cellId, rxDataIndPdu->rnti);
- break;
- }
-
- case MAC_DEDLC_MIN_LCID ... MAC_DEDLC_MAX_LCID :
- break;
+ /* store msg3 pdu in macRaCb for CRI value */
+ memcpy(macCb.macCell[cellIdx]->macRaCb[ueIdx].msg3Pdu, pdu, length);
+ /* Send UL-CCCH Indication to DU APP */
+ ret = macProcUlCcchInd(macCb.macCell[cellIdx]->cellId, rxDataIndPdu->rnti, length, pdu);
+ break;
+ }
+
+ case MAC_LCID_MIN ... MAC_LCID_MAX :
+ {
+ DU_LOG("\nINFO --> MAC : PDU received for LC ID %d", lcId);
+ pduLen--;
+ rxPduIdx++;
+
+ length = rxDataPdu[rxPduIdx];
+ if(fBit)
+ {
+ pduLen--;
+ rxPduIdx++;
+ length = (length << 8) & rxDataPdu[rxPduIdx];
+ }
+
+ pdu = NULLP;
+ /* Copying the payload to send to RLC */
+ MAC_ALLOC_SHRABL_BUF(pdu, length);
+ if(!pdu)
+ {
+ DU_LOG("\nERROR --> MAC : Memory allocation failed while demuxing Rx Data PDU");
+ return RFAILED;
+ }
+ pduLen--;
+ rxPduIdx++;
+ memcpy(pdu, &rxDataPdu[rxPduIdx], length);
+ pduLen -= length;
+ rxPduIdx = rxPduIdx + length;
+
+ /* Delete RA cb once RRC setup complete received */
+ if(macCb.macCell[cellIdx]->macRaCb[ueIdx].crnti == rxDataIndPdu->rnti)
+ {
+ MAC_FREE(macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4Pdu, \
+ macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4PduLen);
+ MAC_FREE(macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TxPdu, \
+ macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TbSize - TX_PAYLOAD_HDR_LEN);
+ memset(&macCb.macCell[cellIdx]->macRaCb[ueIdx], 0, sizeof(MacRaCbInfo));
+ }
+
+ /* Send UL Data to RLC */
+ ret = macProcUlData(cellId, rxDataIndPdu->rnti, slotInfo, lcId, length, pdu);
+
+ break;
+ }
case MAC_LCID_RESERVED_MIN ... MAC_LCID_RESERVED_MAX :
break;
break;
case MAC_LCID_SHORT_BSR :
- break;
+ {
+ uint8_t lcgId = 0;
+ uint8_t bufferSizeIdx = 0;
+ uint8_t crnti = 0;
+ uint32_t bufferSize = 0;
+
+ pduLen--;
+
+ rxPduIdx++;
+ crnti = rxDataIndPdu->rnti;
+ /* 5 LSB bits in pdu represent buffer size */
+ bufferSizeIdx = (~((~0) << 5)) & rxDataPdu[rxPduIdx];
+ /* first 3 MSB bits in pdu represent LCGID */
+ lcgId = (rxDataPdu[rxPduIdx]) >> 5;
+ /* determine actual number of bytes requested */
+ bufferSize = shortBsrBytesTable[bufferSizeIdx];
+ ret = macProcShortBsr(macCb.macCell[cellIdx]->cellId, crnti, lcgId, bufferSize);
+ pduLen--;
+ rxPduIdx++;
+
+ break;
+ }
case MAC_LCID_LONG_BSR :
- break;
-
+ {
+ DataVolInfo dataVolInfo[MAX_NUM_LOGICAL_CHANNEL_GROUPS];
+ memset(dataVolInfo, 0,MAX_NUM_LOGICAL_CHANNEL_GROUPS * sizeof(DataVolInfo));
+ uint8_t lcgIdx = 0;
+ uint8_t crnti = 0;
+ uint8_t numLcg = 0;
+ uint8_t lcgIdxPos = 0;
+ pduLen--;
+
+ rxPduIdx++;/*To reach the Octet where lcgIdx will be present*/
+ crnti = rxDataIndPdu->rnti;
+
+ lcgIdxPos = rxPduIdx;
+
+ pduLen--;
+ rxPduIdx++;/*To reach the Octet where bsrIdx starts*/
+ for(lcgIdx = 0; lcgIdx < MAX_NUM_LOGICAL_CHANNEL_GROUPS; lcgIdx++)
+ {
+ if(rxDataPdu[lcgIdxPos] & (1 << lcgIdx))
+ {
+ if(rxDataPdu[rxPduIdx] > 0 && rxDataPdu[rxPduIdx] < MAX_LONG_BSR_TABLE_ENTRIES)
+ {
+ dataVolInfo[numLcg].dataVol = longBsrBytesTable[rxDataPdu[rxPduIdx]];
+ dataVolInfo[numLcg].lcgId = lcgIdx;
+ numLcg++;
+ }
+ else
+ {
+ DU_LOG("\nERROR --> MAC: Invalid BsrIdx:%d rcvd for lcgIdx:%d",lcgIdx,rxDataPdu[rxPduIdx]);
+ }
+ /*next byte in PDU*/
+ pduLen--;
+ rxPduIdx++;
+ }
+ }
+
+ ret = macProcLongBsr(macCb.macCell[cellIdx]->cellId, crnti, numLcg, dataVolInfo);
+
+ break;
+ }
+
case MAC_LCID_PADDING :
- {
break;
- }
default:
- {
- DU_LOG("\nMAC : Invalid LC Id %d", lcId);
- return RFAILED;
- }
+ {
+ DU_LOG("\nERROR --> MAC : Invalid LC Id %d", lcId);
+ return RFAILED;
+ }
} /* End of switch */
- if(lcId == MAC_LCID_PADDING)
- break;
-
+ if(lcId == MAC_LCID_PADDING)
+ {
+ break;
+ }
} /* End of While */
- return ROK;
+ return ret;
} /* End of unpackRxData */
/**********************************************************************
- End of file
-**********************************************************************/
+ End of file
+ **********************************************************************/
Code Review / o-du / l2.git / blobdiff