Skip to content

O
OpenXG-RAN
Commit caff16a6 authored by Xue Song's avatar Xue Song
Browse files
Options

Add RRCReconfiguration message

parent 966569c1
Show whitespace changes
Inline Side-by-side
Showing with 322 additions and 98 deletions
openair2/RRC/NR/MESSAGES/asn1_msg.c
View file @ caff16a6
......@@ -57,6 +57,10 @@
#include "NR_MAC-CellGroupConfig.h"
#include "NR_SecurityModeCommand.h"
#include "NR_CipheringAlgorithm.h"
#include "NR_RRCReconfiguration-IEs.h"
#include "NR_DRB-ToAddMod.h"
#include "NR_DRB-ToAddModList.h"
#include "NR_SecurityConfig.h"
#if defined(NR_Rel16)
#include "NR_SCS-SpecificCarrier.h"
#include "NR_TDD-UL-DL-ConfigCommon.h"
......@@ -605,6 +609,7 @@ uint8_t do_RRCReject(uint8_t Mod_id,
memset((void *)&dl_ccch_msg, 0, sizeof(NR_DL_CCCH_Message_t));
dl_ccch_msg.message.present = NR_DL_CCCH_MessageType_PR_c1;
dl_ccch_msg.message.choice.c1 = CALLOC(1, sizeof(struct NR_DL_CCCH_MessageType__c1));
dl_ccch_msg.message.choice.c1->present = NR_RRCReject__criticalExtensions_PR_rrcReject;
rrcReject = dl_ccch_msg.message.choice.c1->choice.rrcReject;
......@@ -659,6 +664,7 @@ uint8_t do_RRCSetup(const protocol_ctxt_t *const ctxt_pP,
memset((void *)&dl_ccch_msg, 0, sizeof(NR_DL_CCCH_Message_t));
dl_ccch_msg.message.present = NR_DL_CCCH_MessageType_PR_c1;
dl_ccch_msg.message.choice.c1 = CALLOC(1, sizeof(struct NR_DL_CCCH_MessageType__c1));
dl_ccch_msg.message.choice.c1->present = NR_DL_CCCH_MessageType__c1_PR_rrcSetup;
rrcSetup = dl_ccch_msg.message.choice.c1->choice.rrcSetup;
......@@ -834,9 +840,6 @@ uint8_t do_NR_SecurityModeCommand(
return((enc_rval.encoded+7)/8);
}
/*TODO*/
//------------------------------------------------------------------------------
uint8_t do_NR_UECapabilityEnquiry_nr( const protocol_ctxt_t *const ctxt_pP,
......@@ -960,3 +963,147 @@ uint8_t do_NR_RRCConnectionRelease(uint8_t *buffer,
RRC_BUF_SIZE);
return((enc_rval.encoded+7)/8);
}
uint16_t do_RRCReconfiguration(
const protocol_ctxt_t *const ctxt_pP,
rrc_gNB_ue_context_t *const ue_context_pP,
uint8_t *buffer,
uint8_t Transaction_id,
gNB_RRC_INST *gnb_rrc_inst
)
{
NR_DL_DCCH_Message_t dl_dcch_msg;
asn_enc_rval_t enc_rval;
NR_RRCReconfiguration_IEs_t *ie;
NR_SRB_ToAddModList_t *SRB2_configList = NULL;
NR_SRB_ToAddMod_t *SRB2_config = NULL;
NR_DRB_ToAddModList_t *DRB_configList = NULL;
NR_DRB_ToAddMod_t *DRB_config = NULL;
NR_SecurityConfig_t *security_config = NULL;
NR_CellGroupConfig_t *secondaryCellGroup = NULL;
NR_DedicatedNAS_Message_t *dedicatedNAS_Message = NULL;
memset(&dl_dcch_msg, 0, sizeof(NR_DL_DCCH_Message_t));
dl_dcch_msg.message.present = NR_DL_DCCH_MessageType_PR_c1;
dl_dcch_msg.message.choice.c1 = CALLOC(1, sizeof(struct NR_DL_DCCH_MessageType__c1));
dl_dcch_msg.message.choice.c1->present = NR_DL_DCCH_MessageType__c1_PR_rrcReconfiguration;
dl_dcch_msg.message.choice.c1->choice.rrcReconfiguration = calloc(1, sizeof(NR_RRCReconfiguration_t));
dl_dcch_msg.message.choice.c1->choice.rrcReconfiguration->rrc_TransactionIdentifier = Transaction_id;
dl_dcch_msg.message.choice.c1->choice.rrcReconfiguration->criticalExtensions.present = NR_RRCReconfiguration__criticalExtensions_PR_rrcReconfiguration;
uint8_t xid = rrc_gNB_get_next_transaction_identifier(ctxt_pP->module_id);
/******************** Radio Bearer Config ********************/
ie->radioBearerConfig = calloc(1, sizeof(NR_RadioBearerConfig_t));
/* Configure SRB2 */
SRB2_configList = ue_context_pP->ue_context.SRB_configList2[xid];
if (SRB2_configList) {
free(SRB2_configList);
}
SRB2_configList = CALLOC(1, sizeof(*SRB2_configList));
memset(SRB2_configList, 0, sizeof(*SRB2_configList));
SRB2_config = CALLOC(1, sizeof(*SRB2_config));
SRB2_config->srb_Identity = 2;
ASN_SEQUENCE_ADD(&SRB2_configList->list, SRB2_config);
/* Configure DRB */
DRB_configList = CALLOC(1, sizeof(*DRB_configList));
memset(DRB_configList, 0, sizeof(*DRB_configList));
DRB_config = CALLOC(1, sizeof(*DRB_config));
DRB_config->drb_Identity = 1;
DRB_config->cnAssociation = CALLOC(1, sizeof(*DRB_config->cnAssociation));
DRB_config->cnAssociation->present = NR_DRB_ToAddMod__cnAssociation_PR_sdap_Config;
// TODO sdap_Config
// TODO pdcp_Config
DRB_config->reestablishPDCP = NULL;
DRB_config->recoverPDCP = NULL;
DRB_config->pdcp_Config = calloc(1, sizeof(*DRB_config->pdcp_Config));
DRB_config->pdcp_Config->drb = calloc(1,sizeof(*DRB_config->pdcp_Config->drb));
DRB_config->pdcp_Config->drb->discardTimer = calloc(1, sizeof(*DRB_config->pdcp_Config->drb->discardTimer));
*DRB_config->pdcp_Config->drb->discardTimer = NR_PDCP_Config__drb__discardTimer_ms30;
DRB_config->pdcp_Config->drb->pdcp_SN_SizeUL = calloc(1, sizeof(*DRB_config->pdcp_Config->drb->pdcp_SN_SizeUL));
*DRB_config->pdcp_Config->drb->pdcp_SN_SizeUL = NR_PDCP_Config__drb__pdcp_SN_SizeUL_len18bits;
DRB_config->pdcp_Config->drb->pdcp_SN_SizeDL = calloc(1, sizeof(*DRB_config->pdcp_Config->drb->pdcp_SN_SizeDL));
*DRB_config->pdcp_Config->drb->pdcp_SN_SizeDL = NR_PDCP_Config__drb__pdcp_SN_SizeDL_len18bits;
DRB_config->pdcp_Config->drb->headerCompression.present = NR_PDCP_Config__drb__headerCompression_PR_notUsed;
DRB_config->pdcp_Config->drb->headerCompression.choice.notUsed = 0;
DRB_config->pdcp_Config->drb->integrityProtection = NULL;
DRB_config->pdcp_Config->drb->statusReportRequired = NULL;
DRB_config->pdcp_Config->drb->outOfOrderDelivery = NULL;
DRB_config->pdcp_Config->moreThanOneRLC = NULL;
DRB_config->pdcp_Config->t_Reordering = calloc(1, sizeof(*DRB_config->pdcp_Config->t_Reordering));
*DRB_config->pdcp_Config->t_Reordering = NR_PDCP_Config__t_Reordering_ms0;
DRB_config->pdcp_Config->ext1 = NULL;
ASN_SEQUENCE_ADD(&DRB_configList->list, DRB_config);
/* Configure Security */
security_config = CALLOC(1, sizeof(NR_SecurityConfig_t));
security_config->securityAlgorithmConfig = CALLOC(1, sizeof(*ie->radioBearerConfig->securityConfig->securityAlgorithmConfig));
security_config->securityAlgorithmConfig->cipheringAlgorithm = NR_CipheringAlgorithm_nea0;
security_config->securityAlgorithmConfig->integrityProtAlgorithm = NULL;
security_config->keyToUse = CALLOC(1, sizeof(*ie->radioBearerConfig->securityConfig->keyToUse));
*security_config->keyToUse = NR_SecurityConfig__keyToUse_master;
ie = calloc(1, sizeof(NR_RRCReconfiguration_IEs_t));
ie->radioBearerConfig = calloc(1, sizeof(NR_RadioBearerConfig_t));
ie->radioBearerConfig->srb_ToAddModList = SRB2_configList;
ie->radioBearerConfig->drb_ToAddModList = DRB_configList;
ie->radioBearerConfig->securityConfig = security_config;
ie->radioBearerConfig->srb3_ToRelease = NULL;
ie->radioBearerConfig->drb_ToReleaseList = NULL;
/******************** Secondary Cell Group ********************/
rrc_gNB_carrier_data_t *carrier = &(gnb_rrc_inst->carrier);
fill_default_secondaryCellGroup( carrier->ServingCellConfigCommon,
ue_context_pP->ue_context.secondaryCellGroup,
1,
1,
carrier->pdsch_AntennaPorts,
carrier->initial_csi_index[gnb_rrc_inst->Nb_ue]);
/******************** Meas Config ********************/
// measConfig
ie->measConfig = NULL;
// lateNonCriticalExtension
ie->lateNonCriticalExtension = NULL;
// nonCriticalExtension
dedicatedNAS_Message->buf = ue_context_pP->ue_context.nas_pdu.buffer;
dedicatedNAS_Message->size = ue_context_pP->ue_context.nas_pdu.length;
ie->nonCriticalExtension->dedicatedNAS_MessageList = CALLOC(1, sizeof(*ie->nonCriticalExtension->dedicatedNAS_MessageList));
ASN_SEQUENCE_ADD(&ie->nonCriticalExtension->dedicatedNAS_MessageList->list, dedicatedNAS_Message);
dl_dcch_msg.message.choice.c1->choice.rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration = ie;
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_DL_DCCH_Message,
NULL,
(void *)&dl_dcch_msg,
buffer,
100);
if(enc_rval.encoded == -1) {
LOG_I(NR_RRC, "[gNB AssertFatal]ASN1 message encoding failed (%s, %lu)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
return -1;
}
LOG_D(NR_RRC,"[gNB %d] RRCReconfiguration for UE %x Encoded %zd bits (%zd bytes)\n",
ctxt_pP->module_id,
ctxt_pP->rnti,
enc_rval.encoded,
(enc_rval.encoded+7)/8);
if (enc_rval.encoded == -1) {
LOG_E(NR_RRC,"[gNB %d] ASN1 : RRCReconfiguration encoding failed for UE %x\n",
ctxt_pP->module_id,
ctxt_pP->rnti);
return(-1);
}
return((enc_rval.encoded+7)/8);
}
openair2/RRC/NR/MESSAGES/asn1_msg.h
View file @ caff16a6
......@@ -101,3 +101,9 @@ uint8_t do_NR_SecurityModeCommand(
uint8_t do_NR_RRCConnectionRelease(uint8_t *buffer,
uint8_t Transaction_id);
uint16_t do_RRCReconfiguration(
const protocol_ctxt_t *const ctxt_pP,
rrc_gNB_ue_context_t *const ue_context_pP,
uint8_t *buffer,
uint8_t Transaction_id,
gNB_RRC_INST *gnb_rrc_inst);
openair2/RRC/NR/nr_rrc_defs.h
View file @ caff16a6
......@@ -360,6 +360,10 @@ typedef struct gNB_RRC_UE_s {
struct NR_MAC_CellGroupConfig *mac_CellGroupConfig;
struct NR_PhysicalCellGroupConfig *physicalCellGroupConfig;
/* Nas Pdu */
uint8_t nas_pdu_flag;
ngap_nas_pdu_t nas_pdu;
} gNB_RRC_UE_t;
typedef uid_t ue_uid_t;
......
openair2/RRC/NR/nr_rrc_proto.h
View file @ caff16a6
......@@ -97,6 +97,11 @@ rrc_gNB_generate_SecurityModeCommand(
rrc_gNB_ue_context_t *const ue_context_pP
);
uint8_t
rrc_gNB_get_next_transaction_identifier(
module_id_t gnb_mod_idP
);
/**\brief RRC eNB task.
\param void *args_p Pointer on arguments to start the task. */
void *rrc_gnb_task(void *args_p);
......
openair2/RRC/NR/rrc_gNB.c
View file @ caff16a6
......@@ -74,6 +74,7 @@
#include "rrc_eNB_S1AP.h"
#include "rrc_gNB_NGAP.h"
#include "rrc_eNB_GTPV1U.h"
......@@ -457,6 +458,60 @@ rrc_gNB_process_RRCSetupComplete(
rrc_gNB_send_NGAP_NAS_FIRST_REQ(ctxt_pP, ue_context_pP, rrcSetupComplete);
}
//-----------------------------------------------------------------------------
void
rrc_gNB_generate_defaultRRCReconfiguration(
const protocol_ctxt_t *const ctxt_pP,
rrc_gNB_ue_context_t *ue_context_pP
)
//-----------------------------------------------------------------------------
{
gNB_RRC_UE_t *ue_p = &ue_context_pP->ue_context;
uint8_t buffer[RRC_BUF_SIZE];
uint16_t size;
gNB_RRC_INST *gnb_rrc_inst = RC.nrrrc[ctxt_pP->module_id];
size = do_RRCReconfiguration(ctxt_pP, ue_context_pP, buffer,
rrc_gNB_get_next_transaction_identifier(ctxt_pP->module_id),
gnb_rrc_inst);
LOG_DUMPMSG(NR_RRC, DEBUG_RRC,(char *)buffer, size, "[MSG] RRC Reconfiguration\n");
free(ue_context_pP->ue_context.nas_pdu.buffer);
LOG_I(NR_RRC, "[gNB %d] Frame %d, Logical Channel DL-DCCH, Generate NR_RRCReconfiguration (bytes %d, UE id %x)\n",
ctxt_pP->module_id,
ctxt_pP->frame,
size,
ue_context_pP->ue_context.rnti);
LOG_D(NR_RRC, "[FRAME %05d][RRC_gNB][MOD %u][][--- PDCP_DATA_REQ/%d Bytes (rrcReconfiguration to UE %x MUI %d) --->][PDCP][MOD %u][RB %u]\n",
ctxt_pP->frame,
ctxt_pP->module_id,
size,
ue_context_pP->ue_context.rnti,
rrc_gNB_mui,
ctxt_pP->module_id,
DCCH);
MSC_LOG_TX_MESSAGE(MSC_RRC_GNB,
MSC_RRC_UE,
buffer,
size,
MSC_AS_TIME_FMT" NR_RRCReconfiguration UE %x MUI %d size %u",
MSC_AS_TIME_ARGS(ctxt_pP),
ue_context_pP->ue_context.rnti,
rrc_gNB_mui,
size);
// rrc_data_req(ctxt_pP,
// DCCH,
// rrc_gNB_mui++,
// SDU_CONFIRM_NO,
// size,
// buffer,
// PDCP_TRANSMISSION_MODE_CONTROL);
// rrc_pdcp_config_asn1_req
// rrc_rlc_config_asn1_req
}
/*------------------------------------------------------------------------------*/
int nr_rrc_gNB_decode_ccch(protocol_ctxt_t *const ctxt_pP,
const uint8_t *buffer,
......@@ -723,7 +778,6 @@ rrc_gNB_decode_dcch(
DCCH,
sdu_sizeP);
// rrcSetupComplete = ul_dcch_msg->message.choice.c1->choice.rrcSetupComplete;
if (ul_dcch_msg->message.choice.c1->choice.rrcSetupComplete->criticalExtensions.present ==
NR_RRCSetupComplete__criticalExtensions_PR_rrcSetupComplete) {
if (ul_dcch_msg->message.choice.c1->choice.rrcSetupComplete->criticalExtensions.choice.
......@@ -905,6 +959,7 @@ rrc_gNB_decode_dcch(
break;
}
rrc_gNB_generate_defaultRRCReconfiguration(ctxt_pP, ue_context_p);
break;
default:
......@@ -1065,6 +1120,7 @@ void *rrc_gnb_task(void *args_p) {
case X2AP_ENDC_SGNB_RECONF_COMPLETE:
LOG_I(NR_RRC, "Handling of reconfiguration complete message at RRC gNB is pending \n");
break;
case NGAP_INITIAL_CONTEXT_SETUP_REQ:
rrc_gNB_process_NGAP_INITIAL_CONTEXT_SETUP_REQ(msg_p, msg_name_p, instance);
break;
......
openair2/RRC/NR/rrc_gNB_NGAP.c
View file @ caff16a6
......@@ -260,6 +260,12 @@ rrc_gNB_process_NGAP_INITIAL_CONTEXT_SETUP_REQ(
ue_context_p->ue_context.gNB_ue_ngap_id = NGAP_INITIAL_CONTEXT_SETUP_REQ (msg_p).gNB_ue_ngap_id;
ue_context_p->ue_context.amf_ue_ngap_id = NGAP_INITIAL_CONTEXT_SETUP_REQ (msg_p).amf_ue_ngap_id;
/* NAS PDU */
if (ue_context_p->ue_context.nas_pdu_flag == 1) {
ue_context_p->ue_context.nas_pdu.length = NGAP_INITIAL_CONTEXT_SETUP_REQ(msg_p).nas_pdu.length;
ue_context_p->ue_context.nas_pdu.buffer = NGAP_INITIAL_CONTEXT_SETUP_REQ(msg_p).nas_pdu.buffer;
}
/* TODO security */
uint8_t send_security_mode_command = TRUE;
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment