diff --git a/openair2/RRC/NR/MESSAGES/asn1_msg.c b/openair2/RRC/NR/MESSAGES/asn1_msg.c index 75f6a2068219a8da8f73019c6f24ac8c0bc20e27..9b059e7a2aab1966beb9e98830ada259dd35d1d9 100644 --- a/openair2/RRC/NR/MESSAGES/asn1_msg.c +++ b/openair2/RRC/NR/MESSAGES/asn1_msg.c @@ -43,6 +43,7 @@ #include "asn1_msg.h" #include "RRC/NR/nr_rrc_extern.h" #include "NR_DL-CCCH-Message.h" +#include "NR_UL-CCCH-Message.h" #include "NR_DL-DCCH-Message.h" #include "NR_RRCReject.h" #include "NR_RejectWaitTime.h" @@ -1064,3 +1065,52 @@ uint16_t do_RRCReconfiguration( return((enc_rval.encoded+7)/8); } + + +uint8_t do_RRCSetupRequest(uint8_t Mod_id, uint8_t *buffer,uint8_t *rv) { + asn_enc_rval_t enc_rval; + uint8_t buf[5],buf2=0; + NR_UL_CCCH_Message_t ul_ccch_msg; + NR_RRCSetupRequest_t *rrcSetupRequest; + memset((void *)&ul_ccch_msg,0,sizeof(NR_UL_CCCH_Message_t)); + ul_ccch_msg.message.present = NR_UL_CCCH_MessageType_PR_c1; + ul_ccch_msg.message.choice.c1->present = NR_UL_CCCH_MessageType__c1_PR_rrcSetupRequest; + rrcSetupRequest = &ul_ccch_msg.message.choice.c1->choice.rrcSetupRequest; + + + if (1) { + rrcSetupRequest->rrcSetupRequest.ue_Identity.present = NR_InitialUE_Identity_PR_randomValue; + rrcSetupRequest->rrcSetupRequest.ue_Identity.choice.randomValue.size = 5; + rrcSetupRequest->rrcSetupRequest.ue_Identity.choice.randomValue.bits_unused = 0; + rrcSetupRequest->rrcSetupRequest.ue_Identity.choice.randomValue.buf = buf; + rrcSetupRequest->rrcSetupRequest.ue_Identity.choice.randomValue.buf[0] = rv[0]; + rrcSetupRequest->rrcSetupRequest.ue_Identity.choice.randomValue.buf[1] = rv[1]; + rrcSetupRequest->rrcSetupRequest.ue_Identity.choice.randomValue.buf[2] = rv[2]; + rrcSetupRequest->rrcSetupRequest.ue_Identity.choice.randomValue.buf[3] = rv[3]; + rrcSetupRequest->rrcSetupRequest.ue_Identity.choice.randomValue.buf[4] = rv[4]; + } else { + rrcSetupRequest->rrcSetupRequest.ue_Identity.present = NR_InitialUE_Identity_PR_ng_5G_S_TMSI_Part1; + rrcSetupRequest->rrcSetupRequest.ue_Identity.choice.ng_5G_S_TMSI_Part1.size = 1; + rrcSetupRequest->rrcSetupRequest.ue_Identity.choice.ng_5G_S_TMSI_Part1.bits_unused = 0; + rrcSetupRequest->rrcSetupRequest.ue_Identity.choice.ng_5G_S_TMSI_Part1.buf = buf; + rrcSetupRequest->rrcSetupRequest.ue_Identity.choice.ng_5G_S_TMSI_Part1.buf[0] = 0x12; + } + + rrcSetupRequest->rrcSetupRequest.establishmentCause = NR_EstablishmentCause_mo_Signalling; //EstablishmentCause_mo_Data; + rrcSetupRequest->rrcSetupRequest.spare.buf = &buf2; + rrcSetupRequest->rrcSetupRequest.spare.size=1; + rrcSetupRequest->rrcSetupRequest.spare.bits_unused = 7; + + if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) { + xer_fprint(stdout, &asn_DEF_NR_UL_CCCH_Message, (void *)&ul_ccch_msg); + } + + enc_rval = uper_encode_to_buffer(&asn_DEF_NR_UL_CCCH_Message, + NULL, + (void *)&ul_ccch_msg, + buffer, + 100); + AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %lu)!\n", enc_rval.failed_type->name, enc_rval.encoded); + LOG_D(RRC,"[UE] RRCSetupRequest Encoded %zd bits (%zd bytes)\n", enc_rval.encoded, (enc_rval.encoded+7)/8); + return((enc_rval.encoded+7)/8); +} diff --git a/openair2/RRC/NR_UE/rrc_UE.c b/openair2/RRC/NR_UE/rrc_UE.c index 812299cdb902120dee5056c2c81eee64e0972cb3..5977d6b96d1afd87652bb0d948c093cc10bdc26b 100755 --- a/openair2/RRC/NR_UE/rrc_UE.c +++ b/openair2/RRC/NR_UE/rrc_UE.c @@ -667,3 +667,39 @@ memset((void *)&ul_dcch_msg,0,sizeof(LTE_UL_DCCH_Message_t)); securityModeCommand->criticalExtensions.present); } +//----------------------------------------------------------------------------- +void rrc_ue_generate_RRCSetupRequest( const protocol_ctxt_t *const ctxt_pP, const uint8_t gNB_index ) { + uint8_t i=0,rv[6]; + + if(UE_rrc_inst[ctxt_pP->module_id].Srb0[gNB_index].Tx_buffer.payload_size ==0) { + // Get RRCConnectionRequest, fill random for now + // Generate random byte stream for contention resolution + for (i=0; i<6; i++) { +#ifdef SMBV + // if SMBV is configured the contention resolution needs to be fix for the connection procedure to succeed + rv[i]=i; +#else + rv[i]=taus()&0xff; +#endif + LOG_T(RRC,"%x.",rv[i]); + } + + LOG_T(RRC,"\n"); + UE_rrc_inst[ctxt_pP->module_id].Srb0[gNB_index].Tx_buffer.payload_size = + do_RRCSetupRequest( + ctxt_pP->module_id, + (uint8_t *)UE_rrc_inst[ctxt_pP->module_id].Srb0[gNB_index].Tx_buffer.Payload, + rv); + LOG_I(RRC,"[UE %d] : Frame %d, Logical Channel UL-CCCH (SRB0), Generating RRCSetupRequest (bytes %d, eNB %d)\n", + ctxt_pP->module_id, ctxt_pP->frame, UE_rrc_inst[ctxt_pP->module_id].Srb0[gNB_index].Tx_buffer.payload_size, gNB_index); + + for (i=0; i<UE_rrc_inst[ctxt_pP->module_id].Srb0[gNB_index].Tx_buffer.payload_size; i++) { + LOG_T(RRC,"%x.",UE_rrc_inst[ctxt_pP->module_id].Srb0[gNB_index].Tx_buffer.Payload[i]); + } + + LOG_T(RRC,"\n"); + /*UE_rrc_inst[ue_mod_idP].Srb0[Idx].Tx_buffer.Payload[i] = taus()&0xff; + UE_rrc_inst[ue_mod_idP].Srb0[Idx].Tx_buffer.payload_size =i; */ + } +} +