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add RRCSetupRequest(ue→gnb)

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This commit is contained in:
zhanghuiqin
2020-09-28 08:44:23 +00:00
parent b46abe7bcb
commit f86fb5df56
2 changed files with 86 additions and 0 deletions
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openair2/RRC/NR/MESSAGES/asn1_msg.c
+50
View File
@@ -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);
}
openair2/RRC/NR_UE/rrc_UE.c
+36
View File
@@ -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; */
}
}