integration fix: send SRS configuration to UE only if SRS active

Manually testing with the Samsung Galaxy Note 4 failed,
probably because the phone didn't like to receive SRS
configuration.

Let's send it only if activated.

openair2/RRC/LITE/MESSAGES/asn1_msg.c

@@ -1388,6 +1388,7 @@ uint8_t
 do_RRCConnectionSetup(
   const protocol_ctxt_t*     const ctxt_pP,
   rrc_eNB_ue_context_t*      const ue_context_pP,
+  int                              CC_id,
   uint8_t*                   const buffer,
   const uint8_t                    transmission_mode,
   const uint8_t                    Transaction_id,
@@ -1492,7 +1493,10 @@ do_RRCConnectionSetup(
   physicalConfigDedicated2->tpc_PDCCH_ConfigPUCCH         = CALLOC(1,sizeof(*physicalConfigDedicated2->tpc_PDCCH_ConfigPUCCH));
   physicalConfigDedicated2->tpc_PDCCH_ConfigPUSCH         = CALLOC(1,sizeof(*physicalConfigDedicated2->tpc_PDCCH_ConfigPUSCH));
   physicalConfigDedicated2->cqi_ReportConfig              = CALLOC(1,sizeof(*physicalConfigDedicated2->cqi_ReportConfig));
+  if (enb_properties.properties[ctxt_pP->module_id]->srs_enable[CC_id])
     physicalConfigDedicated2->soundingRS_UL_ConfigDedicated = CALLOC(1,sizeof(*physicalConfigDedicated2->soundingRS_UL_ConfigDedicated));
+  else
+    physicalConfigDedicated2->soundingRS_UL_ConfigDedicated = NULL;
   physicalConfigDedicated2->antennaInfo                   = CALLOC(1,sizeof(*physicalConfigDedicated2->antennaInfo));
   physicalConfigDedicated2->schedulingRequestConfig       = CALLOC(1,sizeof(*physicalConfigDedicated2->schedulingRequestConfig));
 #ifdef CBA
@@ -1578,6 +1582,7 @@ do_RRCConnectionSetup(
     */
 
   //soundingRS-UL-ConfigDedicated
+  if (enb_properties.properties[ctxt_pP->module_id]->srs_enable[CC_id]) {
     physicalConfigDedicated2->soundingRS_UL_ConfigDedicated->present = SoundingRS_UL_ConfigDedicated_PR_setup;
     physicalConfigDedicated2->soundingRS_UL_ConfigDedicated->choice.setup.srs_Bandwidth =
                                                              SoundingRS_UL_ConfigDedicated__setup__srs_Bandwidth_bw0;
@@ -1589,6 +1594,7 @@ do_RRCConnectionSetup(
     physicalConfigDedicated2->soundingRS_UL_ConfigDedicated->choice.setup.transmissionComb=0;
     physicalConfigDedicated2->soundingRS_UL_ConfigDedicated->choice.setup.cyclicShift=
           SoundingRS_UL_ConfigDedicated__setup__cyclicShift_cs0;
+  }
 
 
   //AntennaInfoDedicated

openair2/RRC/LITE/MESSAGES/asn1_msg.h

@@ -133,6 +133,7 @@ do_RRCConnectionReconfigurationComplete(
 PhysicalConfigDedicated IEs.  The latter does not enable periodic CQI reporting (PUCCH format 2/2a/2b) or SRS.
 @param ctxt_pP Running context
 @param ue_context_pP UE context
+@param CC_id         Component Carrier ID
 @param buffer Pointer to PER-encoded ASN.1 description of DL-CCCH-Message PDU
 @param transmission_mode Transmission mode for UE (1-9)
 @param UE_id UE index for this message
@@ -144,6 +145,7 @@ uint8_t
 do_RRCConnectionSetup(
   const protocol_ctxt_t*     const ctxt_pP,
   rrc_eNB_ue_context_t*      const ue_context_pP,
+  int                              CC_id,
   uint8_t*                   const buffer,
   const uint8_t                    transmission_mode,
   const uint8_t                    Transaction_id,

openair2/RRC/LITE/rrc_eNB.c

@@ -3743,6 +3743,7 @@ rrc_eNB_generate_RRCConnectionSetup(
   eNB_rrc_inst[ctxt_pP->module_id].carrier[CC_id].Srb0.Tx_buffer.payload_size =
     do_RRCConnectionSetup(ctxt_pP,
                           ue_context_pP,
+                          CC_id,
                           (uint8_t*) eNB_rrc_inst[ctxt_pP->module_id].carrier[CC_id].Srb0.Tx_buffer.Payload,
 			  (fp->nb_antennas_tx_eNB==2)?2:1, //at this point we do not have the UE capability information, so it can only be TM1 or TM2
                           rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id),