[Task-ID: ODUHIGH-484] Support for NAS Authentication Messages

[o-du/l2.git] / src / phy_stub / phy_stub_msg_hdl.c

diff --git a/src/phy_stub/phy_stub_msg_hdl.c b/src/phy_stub/phy_stub_msg_hdl.c
index b88a260..2e8378d 100644 (file)
--- a/src/phy_stub/phy_stub_msg_hdl.c
+++ b/src/phy_stub/phy_stub_msg_hdl.c
@@ -36,6 +36,37 @@
 #include "phy_stub_utils.h"
 #include "lwr_mac_phy_stub_inf.h"
 
+/*******************************************************************
+ *
+ * @brief start the uplink data
+ *
+ * @details
+ *
+ *    Function : startUlData 
+ *
+ *    Functionality: start the uplink data
+ *
+ * @params[in]   
+ *
+ * @return void
+ *
+ * ****************************************************************/
+
+void startUlData()
+{
+   uint8_t ueIdx=0, drbIdx=0;
+
+   /* Start Pumping data from PHY stub to DU */
+   for(ueIdx=0; ueIdx < phyDb.ueDb.numActvUe; ueIdx++)
+   {
+      for(drbIdx = 0; drbIdx < NUM_DRB_TO_PUMP_DATA; drbIdx++) //Number of DRB times the loop will run
+      {
+         DU_LOG("\nDEBUG  --> PHY STUB: Sending UL User Data[DrbId:%d] for UEIdx %d\n",drbIdx,ueIdx);
+         l1SendUlUserData(drbIdx,ueIdx);
+      }
+   } 
+}
+
 /*******************************************************************
  *
  * @brief Builds and sends param response to MAC CL
@@ -419,6 +450,11 @@ uint16_t l1BuildAndSendRxDataInd(uint16_t slot, uint16_t sfn, fapi_ul_pusch_pdu_
          phyDb.ueDb.ueCb[ueId-1].msg5Sent = true;
          type = MSG_TYPE_MSG5;
       }
+      else if(!phyDb.ueDb.ueCb[ueId-1].msgNasAuthenticationComp)
+      {
+        phyDb.ueDb.ueCb[ueId-1].msgNasAuthenticationComp = true;
+        type = MSG_TYPE_NAS_AUTHENTICATION_COMPLETE;
+      }
       else if(!phyDb.ueDb.ueCb[ueId-1].msgNasSecurityModeComp)
       {
          phyDb.ueDb.ueCb[ueId-1].msgNasSecurityModeComp = true;
@@ -538,6 +574,31 @@ uint16_t l1BuildAndSendRxDataInd(uint16_t slot, uint16_t sfn, fapi_ul_pusch_pdu_
          byteIdx += msg5PduLen; /* 4 bytes of header : MAC+RLC */
          break;
       }
+
+      case MSG_TYPE_NAS_AUTHENTICATION_COMPLETE:
+      {
+        /* For Authentication response where RRC Container is dummy
+          *
+          * MAC subheader format is R/F/LCId/L (2/3 bytes)
+          * LCId is 1 for SRB1
+          * L is length of PDU i.e 6bytes here 
+          * From 38.321 section 6.1.1
+          *
+          * RLC subheader for AM PDU is D/C/P/SI/SN (2 bytes for 12-bit SN)
+          * From 38.322, section 6.2.2.4
+          */
+         DU_LOG("\nDEBUG  -->  PHY_STUB: Forming AUTHENTICATION RESPONSE PDU");
+         uint8_t  pduLen = 37; /* Length of PDU */
+         pduLen += 2; /* RLC subheader */
+         uint8_t msg[] = {1, pduLen, 128, phyDb.ueDb.ueCb[ueId-1].rlcSnForSrb1++, 0, phyDb.ueDb.ueCb[ueId-1].pdcpSn++, 0x3a, \
+                          0x0e, 0x3f, 0x00, 0xca, 0x95, 0xe9, 0x19, 0x41, 0x3f, 0x00, 0x2b, 0x96, 0x88, 0x06, 0xd7, 0x16, 0xc6, \
+                          0x8b, 0xea, 0xae, 0x45, 0xd1, 0x01, 0xfd, 0x34, 0xd4, 0xfd, 0xd5, 0x71, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+         pduLen += 2;  /* 2 bytes of MAC header */
+         memcpy(pdu, &msg, pduLen);
+         byteIdx += pduLen; /* 4 bytes of header : MAC+RLC */
+         break;
+      }
       
       case MSG_TYPE_NAS_SECURITY_MODE_COMPLETE:
       {
@@ -564,8 +625,9 @@ uint16_t l1BuildAndSendRxDataInd(uint16_t slot, uint16_t sfn, fapi_ul_pusch_pdu_
          pduLen += 2;  /* 2 bytes of MAC header */
          memcpy(pdu, &msg, pduLen);
          byteIdx += pduLen; /* 4 bytes of header : MAC+RLC */
-break;
+         break;
       }
+
       case MSG_TYPE_RRC_SECURITY_MODE_COMPLETE:
       {
          /* For security mode complete where RRC Container is dummy
@@ -667,6 +729,13 @@ break;
    if(pduInfo->pdu_length)
       MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
    MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
+
+#ifdef START_DL_UL_DATA 
+      if(phyDb.ueDb.ueCb[ueId-1].msgRrcReconfigComp == true)
+      {
+         startUlData();
+      }
+#endif
    return ROK;
 }
 #endif
@@ -732,6 +801,7 @@ uint16_t l1BuildAndSendRachInd(uint16_t slot, uint16_t sfn, uint8_t raPreambleId
    return ROK;
 }
 
+
 /*******************************************************************
  *
  * @brief Builds and Send the Slot Indication message to MAC
@@ -799,6 +869,7 @@ uint16_t l1BuildAndSendSlotIndication()
       }
       CMCHKPK(oduPackPointer, (PTR)slotIndMsg, mBuf);
       ODU_POST_TASK(&pst, mBuf);
+
    }
 #endif
    return ROK;
@@ -1203,7 +1274,7 @@ S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
          memset(&ulTtiSlotInd, 0, sizeof(fapi_ul_tti_req_t));
          ulTtiSlotInd.slot = ulTtiReq->slot;
          ulTtiSlotInd.sfn  = ulTtiReq->sfn;
-         ADD_DELTA_TO_TIME(ulTtiSlotInd, ulTtiSlotInd, SLOT_DELAY);
+         ADD_DELTA_TO_TIME(ulTtiSlotInd, ulTtiSlotInd, SLOT_DELAY, MAX_SLOTS);
          l1BuildAndSendUciInd(ulTtiSlotInd.slot, ulTtiSlotInd.sfn, ulTtiReq->pdus[numPdus-1].pdu.pucch_pdu);
       }
       numPdus--;
@@ -1442,7 +1513,7 @@ S16 l1HdlUlDciReq(uint16_t msgLen, void *msg)
    {
       if(ulDciReq->pdus[numPdus-1].pduType == 0)
       {
-        DU_LOG("\nINFO   -->  PHY STUB: Received UL DCI Request for PDCCH PDU");
+         DU_LOG("\nINFO   -->  PHY STUB: Received UL DCI Request for PDCCH PDU");
         //l1BuildAndSendMsg5(ulDciReq->sfn, ulDciReq->slot);
         //msg5Sent = true;
       }