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Commit 263436d8 authored by luis_pereira87's avatar luis_pereira87
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Implementation of NR_RRCReestablishment procedures at gNB

parent 646cec27
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doc/FEATURE_SET.md
View file @ 263436d8
......@@ -357,6 +357,7 @@ The following features are valid for the gNB and the 5G-NR UE.
- RRCSetupRequest/RRCSetup/RRCSetupComplete
- RRC Uplink/Downlink Information transfer carrying NAS messages transparently
- RRC Reconfiguration/Reconfiguration complete
- RRC Reestablishment/Reestablishment complete
- Paging
- Support for master cell group configuration
- Interface with NGAP for the interactions with the AMF
......
openair1/SIMULATION/NR_PHY/dlsim.c
View file @ 263436d8
......@@ -99,6 +99,11 @@ nfapi_ue_release_request_body_t release_rntis;
instance_t DUuniqInstance=0;
instance_t CUuniqInstance=0;
int nr_derive_key_ng_ran_star(uint16_t pci, uint64_t nr_arfcn_dl, const uint8_t key[32], uint8_t *key_ng_ran_star)
{
return 0;
}
// dummy functions
int dummy_nr_ue_ul_indication(nr_uplink_indication_t *ul_info) { return(0); }
......
openair1/SIMULATION/NR_PHY/prachsim.c
View file @ 263436d8
......@@ -94,6 +94,11 @@ int oai_nfapi_nr_rach_indication(nfapi_nr_rach_indication_t *ind) { return(0);
instance_t DUuniqInstance=0;
instance_t CUuniqInstance=0;
int nr_derive_key_ng_ran_star(uint16_t pci, uint64_t nr_arfcn_dl, const uint8_t key[32], uint8_t *key_ng_ran_star)
{
return 0;
}
void
rrc_data_ind(
const protocol_ctxt_t *const ctxt_pP,
......
openair1/SIMULATION/NR_PHY/ulsim.c
View file @ 263436d8
......@@ -95,6 +95,11 @@ nfapi_ue_release_request_body_t release_rntis;
instance_t DUuniqInstance=0;
instance_t CUuniqInstance=0;
int nr_derive_key_ng_ran_star(uint16_t pci, uint64_t nr_arfcn_dl, const uint8_t key[32], uint8_t *key_ng_ran_star)
{
return 0;
}
extern void fix_scd(NR_ServingCellConfig_t *scd);// forward declaration
int8_t nr_mac_rrc_data_ind_ue(const module_id_t module_id,
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
View file @ 263436d8
......@@ -625,11 +625,12 @@ void nr_initiate_ra_proc(module_id_t module_idP,
int loop = 0;
if (ra->rnti == 0) { // This condition allows for the usage of a preconfigured rnti for the CFRA
do {
ra->rnti = (taus() % 65518) + 1;
// 3GPP TS 38.321 version 15.13.0 Section 7.1 Table 7.1-1: RNTI values
ra->rnti = (taus() % 0xffef) + 1;
loop++;
} while (loop != 100
&& !((find_nr_UE(&nr_mac->UE_info, ra->rnti) == NULL) && (find_nr_RA_id(module_idP, CC_id, ra->rnti) == -1)
&& ra->rnti >= 1 && ra->rnti <= 65519));
&& ra->rnti >= 0x1 && ra->rnti <= 0xffef));
if (loop == 100) {
LOG_E(NR_MAC, "%s:%d:%s: [RAPROC] initialisation random access aborted\n", __FILE__, __LINE__, __FUNCTION__);
abort();
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
View file @ 263436d8
......@@ -699,11 +699,9 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP,
continue;
}
NR_UE_info_t* UE = add_new_nr_ue(gNB_mac, ra->rnti, ra->CellGroup);
NR_UE_info_t *UE = add_new_nr_ue(gNB_mac, ra->rnti, ra->CellGroup);
if (!UE) {
LOG_W(NR_MAC, "Random Access %i discarded at state %i (TC_RNTI %04x RNTI %04x): max number of users achieved!\n", i, ra->state,ra->rnti,current_rnti);
nr_mac_remove_ra_rnti(gnb_mod_idP, ra->rnti);
nr_clear_ra_proc(gnb_mod_idP, CC_idP, frameP, ra);
return;
......
openair2/LAYER2/nr_pdcp/nr_pdcp_e1_api.c
View file @ 263436d8
......@@ -32,7 +32,7 @@ void e1_add_drb(int is_gnb,
unsigned char *ciphering_key,
unsigned char *integrity_key)
{
add_drb_am(is_gnb, ue_id, s, ciphering_algorithm, integrity_algorithm,
add_drb_am(is_gnb, ue_id, 0, s, ciphering_algorithm, integrity_algorithm,
ciphering_key, integrity_key);
LOG_I(PDCP, "%s:%s:%d: added DRB for UE ID %ld\n", __FILE__, __FUNCTION__, __LINE__, ue_id);
}
......
openair2/LAYER2/nr_pdcp/nr_pdcp_e1_api.h
View file @ 263436d8
......@@ -45,7 +45,7 @@ void nr_pdcp_e1_add_drbs(eNB_flag_t enb_flag,
uint8_t *const kUPenc,
uint8_t *const kUPint);
void add_drb_am(int is_gnb, ue_id_t rntiMaybeUEid, struct NR_DRB_ToAddMod *s,
void add_drb_am(int is_gnb, ue_id_t rntiMaybeUEid, ue_id_t reestablish_ue_id, struct NR_DRB_ToAddMod *s,
int ciphering_algorithm,
int integrity_algorithm,
unsigned char *ciphering_key,
......
openair2/LAYER2/nr_pdcp/nr_pdcp_oai_api.c
View file @ 263436d8
......@@ -877,7 +877,7 @@ static void add_srb(int is_gnb, ue_id_t rntiMaybeUEid, struct NR_SRB_ToAddMod *s
nr_pdcp_manager_unlock(nr_pdcp_ue_manager);
}
void add_drb_am(int is_gnb, ue_id_t rntiMaybeUEid, struct NR_DRB_ToAddMod *s, int ciphering_algorithm, int integrity_algorithm, unsigned char *ciphering_key, unsigned char *integrity_key)
void add_drb_am(int is_gnb, ue_id_t rntiMaybeUEid, ue_id_t reestablish_ue_id, struct NR_DRB_ToAddMod *s, int ciphering_algorithm, int integrity_algorithm, unsigned char *ciphering_key, unsigned char *integrity_key)
{
nr_pdcp_entity_t *pdcp_drb;
nr_pdcp_ue_t *ue;
......@@ -962,6 +962,14 @@ void add_drb_am(int is_gnb, ue_id_t rntiMaybeUEid, struct NR_DRB_ToAddMod *s, in
has_integrity ? integrity_key : NULL);
nr_pdcp_ue_add_drb_pdcp_entity(ue, drb_id, pdcp_drb);
if (reestablish_ue_id > 0) {
nr_pdcp_ue_t *reestablish_ue = nr_pdcp_manager_get_ue(nr_pdcp_ue_manager, reestablish_ue_id);
if (reestablish_ue != NULL) {
pdcp_drb->tx_next = reestablish_ue->drb[drb_id - 1]->tx_next;
LOG_I(PDCP, "Applying tx_next %d in DRB %d from old UEid %lx to new UEid %lx\n", reestablish_ue->drb[drb_id - 1]->tx_next, drb_id, reestablish_ue_id, rntiMaybeUEid);
}
}
LOG_D(PDCP, "%s:%d:%s: added drb %d to UE ID/RNTI %ld\n", __FILE__, __LINE__, __FUNCTION__, drb_id, rntiMaybeUEid);
new_nr_sdap_entity(is_gnb, has_sdap_rx, has_sdap_tx, rntiMaybeUEid, pdusession_id, is_sdap_DefaultDRB, drb_id, mappedQFIs2Add, mappedQFIs2AddCount);
......@@ -971,6 +979,7 @@ void add_drb_am(int is_gnb, ue_id_t rntiMaybeUEid, struct NR_DRB_ToAddMod *s, in
static void add_drb(int is_gnb,
ue_id_t rntiMaybeUEid,
ue_id_t reestablish_ue_id,
struct NR_DRB_ToAddMod *s,
NR_RLC_Config_t *rlc_Config,
int ciphering_algorithm,
......@@ -980,12 +989,12 @@ static void add_drb(int is_gnb,
{
switch (rlc_Config->present) {
case NR_RLC_Config_PR_am:
add_drb_am(is_gnb, rntiMaybeUEid, s, ciphering_algorithm, integrity_algorithm, ciphering_key, integrity_key);
add_drb_am(is_gnb, rntiMaybeUEid, reestablish_ue_id, s, ciphering_algorithm, integrity_algorithm, ciphering_key, integrity_key);
break;
case NR_RLC_Config_PR_um_Bi_Directional:
// add_drb_um(rntiMaybeUEid, s);
/* hack */
add_drb_am(is_gnb, rntiMaybeUEid, s, ciphering_algorithm, integrity_algorithm, ciphering_key, integrity_key);
add_drb_am(is_gnb, rntiMaybeUEid, reestablish_ue_id, s, ciphering_algorithm, integrity_algorithm, ciphering_key, integrity_key);
break;
default:
LOG_E(PDCP, "%s:%d:%s: fatal: unhandled DRB type\n",
......@@ -1011,6 +1020,7 @@ void nr_pdcp_add_srbs(eNB_flag_t enb_flag, ue_id_t rntiMaybeUEid, NR_SRB_ToAddMo
void nr_pdcp_add_drbs(eNB_flag_t enb_flag,
ue_id_t rntiMaybeUEid,
ue_id_t reestablish_ue_id,
NR_DRB_ToAddModList_t *const drb2add_list,
const uint8_t security_modeP,
uint8_t *const kUPenc,
......@@ -1019,7 +1029,7 @@ void nr_pdcp_add_drbs(eNB_flag_t enb_flag,
{
if (drb2add_list != NULL) {
for (int i = 0; i < drb2add_list->list.count; i++) {
add_drb(enb_flag, rntiMaybeUEid, drb2add_list->list.array[i], rlc_bearer2add_list->list.array[i]->rlc_Config, security_modeP & 0x0f, (security_modeP >> 4) & 0x0f, kUPenc, kUPint);
add_drb(enb_flag, rntiMaybeUEid, reestablish_ue_id, drb2add_list->list.array[i], rlc_bearer2add_list->list.array[i]->rlc_Config, security_modeP & 0x0f, (security_modeP >> 4) & 0x0f, kUPenc, kUPint);
}
} else
LOG_W(PDCP, "nr_pdcp_add_drbs() with void list\n");
......@@ -1109,7 +1119,7 @@ void nr_DRB_preconfiguration(ue_id_t crntiMaybeUEid)
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, 0, ENB_FLAG_NO, crntiMaybeUEid, 0, 0, 0);
}
nr_pdcp_add_drbs(ctxt.enb_flag, ctxt.rntiMaybeUEid, rbconfig->drb_ToAddModList, 0, NULL, NULL, Rlc_Bearer_ToAdd_list);
nr_pdcp_add_drbs(ctxt.enb_flag, ctxt.rntiMaybeUEid, 0, rbconfig->drb_ToAddModList, 0, NULL, NULL, Rlc_Bearer_ToAdd_list);
nr_rrc_rlc_config_asn1_req(&ctxt, (NR_SRB_ToAddModList_t *)NULL, rbconfig->drb_ToAddModList, rbconfig->drb_ToReleaseList, Rlc_Bearer_ToAdd_list);
......
openair2/RRC/NR/MESSAGES/asn1_msg.c
View file @ 263436d8
......@@ -46,6 +46,7 @@
#include "LAYER2/nr_rlc/nr_rlc_oai_api.h"
#include "asn1_msg.h"
#include "../nr_rrc_proto.h"
#include "UTIL/OSA/osa_defs.h"
#include "RRC/NR/nr_rrc_extern.h"
#include "NR_DL-CCCH-Message.h"
#include "NR_UL-CCCH-Message.h"
......@@ -1283,7 +1284,7 @@ int do_RRCSetup(rrc_gNB_ue_context_t *const ue_context_pP,
buffer,
1000);
AssertFatal(enc_rval.encoded >0, "ASN1 message encoding failed (%s, %lu)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
......@@ -1388,7 +1389,7 @@ uint8_t do_NR_SA_UECapabilityEnquiry( const protocol_ctxt_t *const ctxt_pP,
1024);
AssertFatal(enc_rval.encoded >0, "ASN1 message encoding failed (%s, %lu)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) {
xer_fprint(stdout, &asn_DEF_NR_UE_CapabilityRequestFilterNR, (void *)sa_band_filter);
......@@ -1415,16 +1416,14 @@ uint8_t do_NR_SA_UECapabilityEnquiry( const protocol_ctxt_t *const ctxt_pP,
AssertFatal(enc_rval.encoded >0, "ASN1 message encoding failed (%s, %lu)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
LOG_D(NR_RRC, "[gNB %d] NR UECapabilityRequest for UE %lx Encoded %zd bits (%zd bytes)\n", ctxt_pP->module_id, ctxt_pP->rntiMaybeUEid, enc_rval.encoded, (enc_rval.encoded + 7) / 8);
return((enc_rval.encoded+7)/8);
}
uint8_t do_NR_RRCRelease(uint8_t *buffer,
size_t buffer_size,
uint8_t Transaction_id) {
int do_NR_RRCRelease(uint8_t *buffer, size_t buffer_size, uint8_t Transaction_id)
{
asn_enc_rval_t enc_rval;
NR_DL_DCCH_Message_t dl_dcch_msg;
NR_RRCRelease_t *rrcConnectionRelease;
......@@ -1538,32 +1537,32 @@ int16_t do_RRCReconfiguration(
xer_fprint(stdout, &asn_DEF_NR_CellGroupConfig, (const void *) cellGroupConfig);
}
ie->nonCriticalExtension->masterCellGroup = calloc(1,sizeof(OCTET_STRING_t));
ie->nonCriticalExtension->masterCellGroup->buf = masterCellGroup_buf;
ie->nonCriticalExtension->masterCellGroup->size = (enc_rval.encoded+7)/8;
}
dl_dcch_msg.message.choice.c1->choice.rrcReconfiguration->criticalExtensions.choice.rrcReconfiguration = ie;
if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) {
xer_fprint(stdout, &asn_DEF_NR_DL_DCCH_Message, (void *)&dl_dcch_msg);
}
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_DL_DCCH_Message,
NULL,
(void *)&dl_dcch_msg,
buffer,
buffer_size);
AssertFatal(enc_rval.encoded >0, "ASN1 message encoding failed (%s, %lu)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
LOG_D(NR_RRC,"[gNB %d] RRCReconfiguration for UE %lx Encoded %zd bits (%zd bytes)\n",
ctxt_pP->module_id,
ctxt_pP->rntiMaybeUEid,
enc_rval.encoded,
(enc_rval.encoded+7)/8);
return((enc_rval.encoded+7)/8);
}
......@@ -1698,9 +1697,9 @@ uint8_t do_RRCSetupComplete(uint8_t Mod_id, uint8_t *buffer, size_t buffer_size,
NR_UL_DCCH_Message_t ul_dcch_msg;
NR_RRCSetupComplete_t *RrcSetupComplete;
memset((void *)&ul_dcch_msg,0,sizeof(NR_UL_DCCH_Message_t));
uint8_t buf[6];
ul_dcch_msg.message.present = NR_UL_DCCH_MessageType_PR_c1;
ul_dcch_msg.message.choice.c1 = CALLOC(1,sizeof(struct NR_UL_DCCH_MessageType__c1));
ul_dcch_msg.message.choice.c1->present = NR_UL_DCCH_MessageType__c1_PR_rrcSetupComplete;
......@@ -1713,7 +1712,7 @@ uint8_t do_RRCSetupComplete(uint8_t Mod_id, uint8_t *buffer, size_t buffer_size,
// sizeof(*RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->nonCriticalExtension));
RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->selectedPLMN_Identity = sel_plmn_id;
RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->registeredAMF = NULL;
RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value = CALLOC(1, sizeof(struct NR_RRCSetupComplete_IEs__ng_5G_S_TMSI_Value));
RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value->present = NR_RRCSetupComplete_IEs__ng_5G_S_TMSI_Value_PR_ng_5G_S_TMSI;
RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value->choice.ng_5G_S_TMSI.size = 6;
......@@ -1724,13 +1723,13 @@ uint8_t do_RRCSetupComplete(uint8_t Mod_id, uint8_t *buffer, size_t buffer_size,
RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value->choice.ng_5G_S_TMSI.buf[3] = 0x78;
RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value->choice.ng_5G_S_TMSI.buf[4] = 0x9A;
RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->ng_5G_S_TMSI_Value->choice.ng_5G_S_TMSI.buf[5] = 0xBC;
memset(&RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->dedicatedNAS_Message,0,sizeof(OCTET_STRING_t));
OCTET_STRING_fromBuf(&RrcSetupComplete->criticalExtensions.choice.rrcSetupComplete->dedicatedNAS_Message,dedicatedInfoNAS,dedicatedInfoNASLength);
if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) {
xer_fprint(stdout, &asn_DEF_NR_UL_DCCH_Message, (void *)&ul_dcch_msg);
}
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_UL_DCCH_Message,
NULL,
(void *)&ul_dcch_msg,
......@@ -1739,7 +1738,7 @@ uint8_t do_RRCSetupComplete(uint8_t Mod_id, uint8_t *buffer, size_t buffer_size,
AssertFatal(enc_rval.encoded > 0,"ASN1 message encoding failed (%s, %lu)!\n",
enc_rval.failed_type->name,enc_rval.encoded);
LOG_D(NR_RRC,"RRCSetupComplete Encoded %zd bits (%zd bytes)\n",enc_rval.encoded,(enc_rval.encoded+7)/8);
return((enc_rval.encoded+7)/8);
}
......@@ -1844,133 +1843,139 @@ uint8_t do_RRCReestablishmentRequest(uint8_t Mod_id, uint8_t *buffer, uint16_t c
}
//------------------------------------------------------------------------------
uint8_t
do_RRCReestablishment(
const protocol_ctxt_t *const ctxt_pP,
rrc_gNB_ue_context_t *const ue_context_pP,
int CC_id,
uint8_t *const buffer,
size_t buffer_size,
//const uint8_t transmission_mode,
const uint8_t Transaction_id,
NR_SRB_ToAddModList_t **SRB_configList
) {
asn_enc_rval_t enc_rval;
//long *logicalchannelgroup = NULL;
struct NR_SRB_ToAddMod *SRB1_config = NULL;
struct NR_SRB_ToAddMod *SRB2_config = NULL;
//gNB_RRC_INST *nrrrc = RC.nrrrc[ctxt_pP->module_id];
NR_DL_DCCH_Message_t dl_dcch_msg;
NR_RRCReestablishment_t *rrcReestablishment = NULL;
int i = 0;
ue_context_pP->ue_context.reestablishment_xid = Transaction_id;
NR_SRB_ToAddModList_t **SRB_configList2 = NULL;
SRB_configList2 = &ue_context_pP->ue_context.SRB_configList2[Transaction_id];
if (*SRB_configList2) {
free(*SRB_configList2);
}
int do_RRCReestablishment(const protocol_ctxt_t *const ctxt_pP,
rrc_gNB_ue_context_t *const ue_context_pP,
int CC_id,
uint8_t *const buffer,
size_t buffer_size,
const uint8_t Transaction_id,
NR_SRB_ToAddModList_t **SRB_configList,
const uint8_t *masterCellGroup_from_DU,
NR_ServingCellConfigCommon_t *scc,
rrc_gNB_carrier_data_t *carrier)
{
asn_enc_rval_t enc_rval;
struct NR_SRB_ToAddMod *SRB1_config = NULL;
struct NR_SRB_ToAddMod *SRB2_config = NULL;
NR_DL_DCCH_Message_t dl_dcch_msg = {0};
NR_RRCReestablishment_t *rrcReestablishment = NULL;
ue_context_pP->ue_context.reestablishment_xid = Transaction_id;
NR_SRB_ToAddModList_t **SRB_configList2 = NULL;
SRB_configList2 = &ue_context_pP->ue_context.SRB_configList2[Transaction_id];
if (*SRB_configList2) {
free(*SRB_configList2);
}
*SRB_configList2 = CALLOC(1, sizeof(NR_SRB_ToAddModList_t));
memset((void *)&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_rrcReestablishment;
dl_dcch_msg.message.choice.c1->choice.rrcReestablishment = CALLOC(1,sizeof(NR_RRCReestablishment_t));
rrcReestablishment = dl_dcch_msg.message.choice.c1->choice.rrcReestablishment;
// get old configuration of SRB2
if (*SRB_configList != NULL) {
for (i = 0; (i < (*SRB_configList)->list.count) && (i < 3); i++) {
LOG_D(NR_RRC, "(*SRB_configList)->list.array[%d]->srb_Identity=%ld\n",
i, (*SRB_configList)->list.array[i]->srb_Identity);
if ((*SRB_configList)->list.array[i]->srb_Identity == 2 ) {
SRB2_config = (*SRB_configList)->list.array[i];
} else if ((*SRB_configList)->list.array[i]->srb_Identity == 1 ) {
SRB1_config = (*SRB_configList)->list.array[i];
}
*SRB_configList2 = CALLOC(1, sizeof(NR_SRB_ToAddModList_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_rrcReestablishment;
dl_dcch_msg.message.choice.c1->choice.rrcReestablishment = CALLOC(1, sizeof(NR_RRCReestablishment_t));
rrcReestablishment = dl_dcch_msg.message.choice.c1->choice.rrcReestablishment;
// get old configuration of SRB2
if (*SRB_configList != NULL) {
for (int i = 0; (i < (*SRB_configList)->list.count) && (i < 3); i++) {
LOG_D(NR_RRC, "(*SRB_configList)->list.array[%d]->srb_Identity=%ld\n", i, (*SRB_configList)->list.array[i]->srb_Identity);
if ((*SRB_configList)->list.array[i]->srb_Identity == 2) {
SRB2_config = (*SRB_configList)->list.array[i];
} else if ((*SRB_configList)->list.array[i]->srb_Identity == 1) {
SRB1_config = (*SRB_configList)->list.array[i];
}
}
}
if (SRB1_config == NULL) {
// default SRB1 configuration
LOG_W(NR_RRC,"SRB1 configuration does not exist in SRB configuration list, use default\n");
/// SRB1
SRB1_config = CALLOC(1, sizeof(*SRB1_config));
SRB1_config->srb_Identity = 1;
}
if (SRB2_config == NULL) {
LOG_W(NR_RRC,"SRB2 configuration does not exist in SRB configuration list\n");
} else {
asn1cSeqAdd(&(*SRB_configList2)->list, SRB2_config);
}
if (SRB1_config == NULL) {
// default SRB1 configuration
LOG_W(NR_RRC, "SRB1 configuration does not exist in SRB configuration list, use default\n");
/// SRB1
SRB1_config = CALLOC(1, sizeof(*SRB1_config));
SRB1_config->srb_Identity = 1;
}
if (*SRB_configList) {
free(*SRB_configList);
}
if (SRB2_config == NULL) {
LOG_W(NR_RRC, "SRB2 configuration does not exist in SRB configuration list\n");
} else {
asn1cSeqAdd(&(*SRB_configList2)->list, SRB2_config);
}
*SRB_configList = CALLOC(1, sizeof(LTE_SRB_ToAddModList_t));
asn1cSeqAdd(&(*SRB_configList)->list,SRB1_config);
if (*SRB_configList) {
free(*SRB_configList);
}
rrcReestablishment->rrc_TransactionIdentifier = Transaction_id;
rrcReestablishment->criticalExtensions.present = NR_RRCReestablishment__criticalExtensions_PR_rrcReestablishment;
rrcReestablishment->criticalExtensions.choice.rrcReestablishment = CALLOC(1,sizeof(NR_RRCReestablishment_IEs_t));
*SRB_configList = CALLOC(1, sizeof(NR_SRB_ToAddModList_t));
asn1cSeqAdd(&(*SRB_configList)->list, SRB1_config);
/****************************** masterCellGroup ******************************/
/*
NR_CellGroupConfig_t *cellGroupConfig = NULL;
char masterCellGroup_buf[1000];
gNB_RRC_UE_t *ue_p = &ue_context_pP->ue_context;
if (masterCellGroup_from_DU) {
// decode masterCellGroup OCTET_STRING received from DU and place in ue context
uper_decode(NULL,
&asn_DEF_NR_CellGroupConfig, //might be added prefix later
(void **)&cellGroupConfig,
(uint8_t *)masterCellGroup_from_DU->buf,
masterCellGroup_from_DU->size, 0, 0);
uint8_t KgNB_star[32] = { 0 };
/** TODO
uint16_t pci = nrrrc->carrier[CC_id].physCellId;
uint32_t earfcn_dl = (uint32_t)freq_to_arfcn10(RC.mac[ctxt_pP->module_id]->common_channels[CC_id].eutra_band,
nrrrc->carrier[CC_id].dl_CarrierFreq);
bool is_rel8_only = true;
if (earfcn_dl > 65535) {
is_rel8_only = false;
}
LOG_D(NR_RRC, "pci=%d, eutra_band=%d, downlink_frequency=%d, earfcn_dl=%u, is_rel8_only=%s\n",
pci,
RC.mac[ctxt_pP->module_id]->common_channels[CC_id].eutra_band,
nrrrc->carrier[CC_id].dl_CarrierFreq,
earfcn_dl,
is_rel8_only == true ? "true": "false");
*/
if (ue_context_pP->ue_context.nh_ncc >= 0) {
//TODO derive_keNB_star(ue_context_pP->ue_context.nh, pci, earfcn_dl, is_rel8_only, KgNB_star);
rrcReestablishment->criticalExtensions.choice.rrcReestablishment->nextHopChainingCount = ue_context_pP->ue_context.nh_ncc;
} else { // first HO
//TODO derive_keNB_star (ue_context_pP->ue_context.kgnb, pci, earfcn_dl, is_rel8_only, KgNB_star);
// LG: really 1
rrcReestablishment->criticalExtensions.choice.rrcReestablishment->nextHopChainingCount = 0;
xer_fprint(stdout, &asn_DEF_NR_CellGroupConfig, (const void*)cellGroupConfig);
}
else {
cellGroupConfig = calloc(1, sizeof(NR_CellGroupConfig_t));
fill_initial_cellGroupConfig(ue_context_pP->ue_context.rnti,ue_context_pP->local_uid,cellGroupConfig,scc,carrier);
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_CellGroupConfig,
NULL,
(void *)cellGroupConfig,
masterCellGroup_buf,
1000);
if(enc_rval.encoded == -1) {
LOG_E(NR_RRC, "ASN1 message CellGroupConfig encoding failed (%s, %lu)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
return -1;
}
// copy KgNB_star to ue_context_pP->ue_context.kgnb
memcpy (ue_context_pP->ue_context.kgnb, KgNB_star, 32);
ue_context_pP->ue_context.kgnb_ncc = 0;
rrcReestablishment->criticalExtensions.choice.rrcReestablishment->lateNonCriticalExtension = NULL;
rrcReestablishment->criticalExtensions.choice.rrcReestablishment->nonCriticalExtension = NULL;
}
ue_p->masterCellGroup = cellGroupConfig;
*/
rrcReestablishment->rrc_TransactionIdentifier = Transaction_id;
rrcReestablishment->criticalExtensions.present = NR_RRCReestablishment__criticalExtensions_PR_rrcReestablishment;
rrcReestablishment->criticalExtensions.choice.rrcReestablishment = CALLOC(1, sizeof(NR_RRCReestablishment_IEs_t));
uint16_t pci = RC.nrrrc[ctxt_pP->module_id]->carrier.physCellId;
uint32_t nr_arfcn_dl = (uint64_t)*scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB;
LOG_I(NR_RRC, "Reestablishment update key pci=%d, earfcn_dl=%u\n", pci, nr_arfcn_dl);
// 3GPP TS 33.501 Section 6.11 Security handling for RRC connection re-establishment procedure
if (ue_context_pP->ue_context.nh_ncc >= 0) {
nr_derive_key_ng_ran_star(pci, nr_arfcn_dl, ue_context_pP->ue_context.nh, ue_context_pP->ue_context.kgnb);
rrcReestablishment->criticalExtensions.choice.rrcReestablishment->nextHopChainingCount = ue_context_pP->ue_context.nh_ncc;
} else { // first HO
nr_derive_key_ng_ran_star(pci, nr_arfcn_dl, ue_context_pP->ue_context.kgnb, ue_context_pP->ue_context.kgnb);
// LG: really 1
rrcReestablishment->criticalExtensions.choice.rrcReestablishment->nextHopChainingCount = 0;
}
if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) {
xer_fprint(stdout, &asn_DEF_NR_DL_DCCH_Message, (void *)&dl_dcch_msg);
}
ue_context_pP->ue_context.kgnb_ncc = 0;
rrcReestablishment->criticalExtensions.choice.rrcReestablishment->lateNonCriticalExtension = NULL;
rrcReestablishment->criticalExtensions.choice.rrcReestablishment->nonCriticalExtension = NULL;
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_DL_DCCH_Message,
NULL,
(void *)&dl_dcch_msg,
buffer,
100);
if (LOG_DEBUGFLAG(DEBUG_ASN1)) {
xer_fprint(stdout, &asn_DEF_NR_DL_DCCH_Message, (void *)&dl_dcch_msg);
}
AssertFatal(enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %lu)!\n",
enc_rval.failed_type->name, enc_rval.encoded);
LOG_D(NR_RRC,"RRCReestablishment Encoded %u bits (%u bytes)\n",
(uint32_t)enc_rval.encoded, (uint32_t)(enc_rval.encoded+7)/8);
return((enc_rval.encoded+7)/8);
enc_rval = uper_encode_to_buffer(&asn_DEF_NR_DL_DCCH_Message, NULL, (void *)&dl_dcch_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(NR_RRC, "RRCReestablishment Encoded %u bits (%u bytes)\n", (uint32_t)enc_rval.encoded, (uint32_t)(enc_rval.encoded + 7) / 8);
return ((enc_rval.encoded + 7) / 8);
}
uint8_t
do_RRCReestablishmentComplete(uint8_t *buffer, size_t buffer_size, int64_t rrc_TransactionIdentifier) {
int do_RRCReestablishmentComplete(uint8_t *buffer, size_t buffer_size, int64_t rrc_TransactionIdentifier)
{
asn_enc_rval_t enc_rval;
NR_UL_DCCH_Message_t ul_dcch_msg;
NR_RRCReestablishmentComplete_t *rrcReestablishmentComplete;
......
openair2/RRC/NR/MESSAGES/asn1_msg.h
View file @ 263436d8
......@@ -119,8 +119,7 @@ uint8_t do_NR_SA_UECapabilityEnquiry( const protocol_ctxt_t *const ctxt_pP,
uint8_t *const buffer,
const uint8_t Transaction_id);
uint8_t do_NR_RRCRelease(uint8_t *buffer, size_t buffer_size,
uint8_t Transaction_id);
int do_NR_RRCRelease(uint8_t *buffer, size_t buffer_size, uint8_t Transaction_id);
int16_t do_RRCReconfiguration(
const protocol_ctxt_t *const ctxt_pP,
......@@ -174,22 +173,18 @@ uint8_t do_NR_ULInformationTransfer(uint8_t **buffer,
uint8_t do_RRCReestablishmentRequest(uint8_t Mod_id, uint8_t *buffer, uint16_t c_rnti);
uint8_t
do_RRCReestablishment(
const protocol_ctxt_t *const ctxt_pP,
rrc_gNB_ue_context_t *const ue_context_pP,
int CC_id,
uint8_t *const buffer,
size_t buffer_size,
//const uint8_t transmission_mode,
const uint8_t Transaction_id,
NR_SRB_ToAddModList_t **SRB_configList
);
uint8_t
do_RRCReestablishmentComplete(
uint8_t *buffer, size_t buffer_size,
int64_t rrc_TransactionIdentifier);
int do_RRCReestablishment(const protocol_ctxt_t *const ctxt_pP,
rrc_gNB_ue_context_t *const ue_context_pP,
int CC_id,
uint8_t *const buffer,
size_t buffer_size,
const uint8_t Transaction_id,
NR_SRB_ToAddModList_t **SRB_configList,
const uint8_t *masterCellGroup_from_DU,
NR_ServingCellConfigCommon_t *scc,
rrc_gNB_carrier_data_t *carrier);
int do_RRCReestablishmentComplete(uint8_t *buffer, size_t buffer_size, int64_t rrc_TransactionIdentifier);
NR_MeasConfig_t *get_defaultMeasConfig(const gNB_RrcConfigurationReq *conf);
uint8_t do_NR_Paging(uint8_t Mod_id, uint8_t *buffer, uint32_t tmsi);
......
openair2/RRC/NR/cucp_cuup_direct.c
View file @ 263436d8
......@@ -164,7 +164,7 @@ static int drb_config_gtpu_create(const protocol_ctxt_t *const ctxt_p,
kRRCenc,
kRRCint);
nr_pdcp_add_drbs(ctxt_p->enb_flag, ctxt_p->rntiMaybeUEid,
nr_pdcp_add_drbs(ctxt_p->enb_flag, ctxt_p->rntiMaybeUEid, 0,
DRB_configList,
(ue_context_p->ue_context.integrity_algorithm << 4)
| ue_context_p->ue_context.ciphering_algorithm,
......
openair2/RRC/NR/nr_rrc_defs.h
View file @ 263436d8
......@@ -298,6 +298,9 @@ typedef struct gNB_RRC_UE_s {
NR_RRCReconfiguration_t *reconfig;
NR_RadioBearerConfig_t *rb_config;
/* Pointer to save spCellConfig during RRC Reestablishment procedures */
NR_SpCellConfig_t *spCellConfigReestablishment;
ImsiMobileIdentity_t imsi;
/* KgNB as derived from KASME received from EPC */
......@@ -320,7 +323,7 @@ typedef struct gNB_RRC_UE_s {
uint16_t ng_5G_S_TMSI_Part2;
NR_EstablishmentCause_t establishment_cause;
/* Information from UE RRC ConnectionReestablishmentRequest */
/* Information from UE RRCReestablishmentRequest */
NR_ReestablishmentCause_t reestablishment_cause;
/* UE id for initial connection to S1AP */
......@@ -475,6 +478,11 @@ typedef struct cucp_cuup_if_s {
cucp_cuup_bearer_context_setup_func_t bearer_context_mod;
} cucp_cuup_if_t;
typedef struct nr_reestablish_rnti_map_s {
ue_id_t ue_id;
rnti_t c_rnti;
} nr_reestablish_rnti_map_t;
//---NR---(completely change)---------------------
typedef struct gNB_RRC_INST_s {
......@@ -528,6 +536,8 @@ typedef struct gNB_RRC_INST_s {
// security configuration (preferred algorithms)
nr_security_configuration_t security;
nr_reestablish_rnti_map_t nr_reestablish_rnti_map[MAX_MOBILES_PER_GNB];
nr_mac_rrc_dl_if_t mac_rrc;
cucp_cuup_if_t cucp_cuup;
......
openair2/RRC/NR/nr_rrc_extern.h
View file @ 263436d8
......@@ -59,8 +59,4 @@ extern UE_PF_PO_t UE_PF_PO[NFAPI_CC_MAX][MAX_MOBILES_PER_ENB];
extern pthread_mutex_t ue_pf_po_mutex;
extern uint16_t reestablish_rnti_map[MAX_MOBILES_PER_ENB][2];
#endif
openair2/RRC/NR/nr_rrc_proto.h
View file @ 263436d8
......@@ -210,6 +210,7 @@ void nr_pdcp_add_srbs(eNB_flag_t enb_flag, ue_id_t rntiMaybeUEid, NR_SRB_ToAddMo
void nr_pdcp_add_drbs(eNB_flag_t enb_flag,
ue_id_t rntiMaybeUEid,
ue_id_t reestablish_ue_id,
NR_DRB_ToAddModList_t *const drb2add_list,
const uint8_t security_modeP,
uint8_t *const kUPenc,
......
openair2/RRC/NR/rrc_gNB.c
View file @ 263436d8
......@@ -107,6 +107,15 @@
extern RAN_CONTEXT_t RC;
extern void pdcp_config_set_security(const protocol_ctxt_t *const ctxt_pP,
pdcp_t *const pdcp_pP,
const rb_id_t rb_idP,
const uint16_t lc_idP,
const uint8_t security_modeP,
uint8_t *const kRRCenc,
uint8_t *const kRRCint,
uint8_t *const kUPenc);
static inline uint64_t bitStr_to_uint64(BIT_STRING_t *asn);
mui_t rrc_gNB_mui = 0;
......@@ -316,6 +325,27 @@ static void apply_macrlc_config(gNB_RRC_INST *rrc, rrc_gNB_ue_context_t *const u
get_softmodem_params()->sa ? cgc->rlc_BearerToAddModList : NULL);
}
void apply_macrlc_config_reest(gNB_RRC_INST *rrc, rrc_gNB_ue_context_t *const ue_context_pP, const protocol_ctxt_t *const ctxt_pP, ue_id_t ue_id)
{
rrc_mac_config_req_gNB(rrc->module_id,
rrc->configuration.pdsch_AntennaPorts,
rrc->configuration.pusch_AntennaPorts,
rrc->configuration.sib1_tda,
rrc->configuration.minRXTXTIME,
NULL,
NULL,
NULL,
0,
ue_id,
get_softmodem_params()->sa ? ue_context_pP->ue_context.masterCellGroup : NULL);
nr_rrc_rlc_config_asn1_req(ctxt_pP,
ue_context_pP->ue_context.SRB_configList,
NULL,
NULL,
get_softmodem_params()->sa ? ue_context_pP->ue_context.masterCellGroup->rlc_BearerToAddModList : NULL);
}
//-----------------------------------------------------------------------------
static void rrc_gNB_generate_RRCSetup(const protocol_ctxt_t *const ctxt_pP,
rrc_gNB_ue_context_t *const ue_context_pP,
......@@ -420,6 +450,11 @@ static void rrc_gNB_generate_RRCSetup_for_RRCReestablishmentRequest(const protoc
ue_context_pP->ue_context.ue_release_timer = 1;
// remove UE after 10 frames after RRCConnectionRelease is triggered
ue_context_pP->ue_context.ue_release_timer_thres = 1000;
// configure MAC
apply_macrlc_config(rrc_instance_p,ue_context_pP,ctxt_pP);
//nr_pdcp_add_srbs(ctxt_pP->enb_flag, ctxt_pP->rntiMaybeUEid, ue_context_pP->ue_context.SRB_configList, 0, NULL, NULL);
//apply_pdcp_config(ue_context_pP,ctxt_pP);
/* init timers */
// ue_context_pP->ue_context.ue_rrc_inactivity_timer = 0;
......@@ -479,6 +514,7 @@ static void rrc_gNB_process_RRCSetupComplete(const protocol_ctxt_t *const ctxt_p
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP));
ue_context_pP->ue_context.Srb1.Active = 1;
ue_context_pP->ue_context.Srb1.Srb_info.Srb_id = 1;
ue_context_pP->ue_context.Srb2.Active = 0;
ue_context_pP->ue_context.StatusRrc = NR_RRC_CONNECTED;
if (get_softmodem_params()->sa) {
......@@ -538,7 +574,7 @@ static void rrc_gNB_generate_defaultRRCReconfiguration(const protocol_ctxt_t *co
uint8_t buffer[RRC_BUF_SIZE] = {0};
int size = do_RRCReconfiguration(ctxt_pP,
buffer,
sizeof(buffer),
RRC_BUF_SIZE,
xid,
NULL, //*SRB_configList2,
NULL, //*DRB_configList,
......@@ -777,8 +813,6 @@ rrc_gNB_generate_dedicatedRRCReconfiguration(
gNB_RRC_INST *rrc = RC.nrrrc[ctxt_pP->module_id];
long drb_priority[1] = {13}; // For now, we assume only one drb per pdu sessions with a default preiority (will be dynamique in future)
NR_CellGroupConfig_t *cellGroupConfig = NULL;
uint8_t buffer[RRC_BUF_SIZE];
uint16_t size;
int xid = -1;
int drb_id_to_setup_start = 1;
......@@ -816,7 +850,6 @@ rrc_gNB_generate_dedicatedRRCReconfiguration(
dedicatedNAS_MessageList = NULL;
}
memset(buffer, 0, sizeof(buffer));
if(cell_groupConfig_from_DU == NULL){
cellGroupConfig = calloc(1, sizeof(NR_CellGroupConfig_t));
// FIXME: fill_mastercellGroupConfig() won't fill the right priorities or
......@@ -832,20 +865,23 @@ rrc_gNB_generate_dedicatedRRCReconfiguration(
NR_SRB_ToAddModList_t *SRB_configList2 = NULL;
SRB_configList2 = ue_context_pP->ue_context.SRB_configList2[xid];
size = do_RRCReconfiguration(ctxt_pP, buffer, sizeof(buffer),
xid,
SRB_configList2,
DRB_configList,
NULL,
NULL,
NULL,
NULL,
dedicatedNAS_MessageList,
ue_context_pP,
&rrc->carrier,
&rrc->configuration,
NULL,
cellGroupConfig);
uint8_t buffer[RRC_BUF_SIZE] = {0};
int size = do_RRCReconfiguration(ctxt_pP,
buffer,
RRC_BUF_SIZE,
xid,
SRB_configList2,
DRB_configList,
NULL,
NULL,
NULL,
NULL,
dedicatedNAS_MessageList,
ue_context_pP,
&rrc->carrier,
&rrc->configuration,
NULL,
cellGroupConfig);
LOG_DUMPMSG(NR_RRC,DEBUG_RRC,(char *)buffer,size,"[MSG] RRC Reconfiguration\n");
/* Free all NAS PDUs */
......@@ -912,8 +948,6 @@ rrc_gNB_modify_dedicatedRRCReconfiguration(
struct NR_RRCReconfiguration_v1530_IEs__dedicatedNAS_MessageList
*dedicatedNAS_MessageList = NULL;
NR_DedicatedNAS_Message_t *dedicatedNAS_Message = NULL;
uint8_t buffer[RRC_BUF_SIZE];
uint16_t size;
int qos_flow_index = 0;
int i, j;
......@@ -1017,21 +1051,23 @@ rrc_gNB_modify_dedicatedRRCReconfiguration(
dedicatedNAS_MessageList = NULL;
}
memset(buffer, 0, sizeof(buffer));
size = do_RRCReconfiguration(ctxt_pP, buffer, sizeof(buffer),
xid,
NULL,
DRB_configList2,
NULL,
NULL,
NULL,
NULL,
dedicatedNAS_MessageList,
NULL,
NULL,
NULL,
NULL,
NULL);
uint8_t buffer[RRC_BUF_SIZE];
int size = do_RRCReconfiguration(ctxt_pP,
buffer,
RRC_BUF_SIZE,
xid,
NULL,
DRB_configList2,
NULL,
NULL,
NULL,
NULL,
dedicatedNAS_MessageList,
NULL,
NULL,
NULL,
NULL,
NULL);
LOG_DUMPMSG(NR_RRC, DEBUG_RRC, (char *)buffer, size, "[MSG] RRC Reconfiguration\n");
/* Free all NAS PDUs */
......@@ -1083,9 +1119,7 @@ rrc_gNB_generate_dedicatedRRCReconfiguration_release(
uint8_t *nas_buffer)
//-----------------------------------------------------------------------------
{
uint8_t buffer[RRC_BUF_SIZE];
int i;
uint16_t size = 0;
NR_DRB_ToReleaseList_t **DRB_Release_configList2 = NULL;
NR_DRB_Identity_t *DRB_release;
struct NR_RRCReconfiguration_v1530_IEs__dedicatedNAS_MessageList
......@@ -1120,13 +1154,15 @@ rrc_gNB_generate_dedicatedRRCReconfiguration_release(
LOG_W(NR_RRC,"dedlicated NAS list is empty\n");
}
memset(buffer, 0, sizeof(buffer));
size = do_RRCReconfiguration(ctxt_pP, buffer, sizeof(buffer), xid, NULL, NULL, *DRB_Release_configList2, NULL, NULL, NULL, dedicatedNAS_MessageList, NULL, NULL, NULL, NULL, NULL);
uint8_t buffer[RRC_BUF_SIZE] = {0};
int size = do_RRCReconfiguration(ctxt_pP, buffer, RRC_BUF_SIZE, xid, NULL, NULL, *DRB_Release_configList2, NULL, NULL, NULL, dedicatedNAS_MessageList, NULL, NULL, NULL, NULL, NULL);
ue_context_pP->ue_context.pdu_session_release_command_flag = 1;
LOG_DUMPMSG(NR_RRC,DEBUG_RRC,(char *)buffer,size, "[MSG] RRC Reconfiguration\n");
ue_context_pP->ue_context.pdu_session_release_command_flag = 1;
/* Free all NAS PDUs */
if (nas_length > 0) {
/* Free the NAS PDU buffer and invalidate it */
......@@ -1174,6 +1210,10 @@ rrc_gNB_process_RRCReconfigurationComplete(
)
{
int drb_id;
uint8_t *kRRCenc = NULL;
uint8_t *kRRCint = NULL;
uint8_t *kUPenc = NULL;
uint8_t *kUPint = NULL;
NR_DRB_ToAddModList_t *DRB_configList = ue_context_pP->ue_context.DRB_configList2[xid];
NR_SRB_ToAddModList_t *SRB_configList = ue_context_pP->ue_context.SRB_configList2[xid];
NR_DRB_ToReleaseList_t *DRB_Release_configList2 = ue_context_pP->ue_context.DRB_Release_configList2[xid];
......@@ -1182,9 +1222,55 @@ rrc_gNB_process_RRCReconfigurationComplete(
ue_context_pP->ue_context.ue_reestablishment_timer = 0;
/* Derive the keys from kgnb */
if (DRB_configList != NULL) {
nr_derive_key_up_enc(ue_context_pP->ue_context.ciphering_algorithm,
ue_context_pP->ue_context.kgnb,
&kUPenc);
nr_derive_key_up_int(ue_context_pP->ue_context.integrity_algorithm,
ue_context_pP->ue_context.kgnb,
&kUPint);
}
nr_derive_key_rrc_enc(ue_context_pP->ue_context.ciphering_algorithm,
ue_context_pP->ue_context.kgnb,
&kRRCenc);
nr_derive_key_rrc_int(ue_context_pP->ue_context.integrity_algorithm,
ue_context_pP->ue_context.kgnb,
&kRRCint);
/* Refresh SRBs/DRBs */
LOG_D(NR_RRC, "Configuring PDCP DRBs/SRBs for UE %04x\n", ue_context_pP->ue_context.rnti);
ue_id_t reestablish_ue_id = 0;
if (DRB_configList && DRB_configList->list.array[0]->reestablishPDCP && *DRB_configList->list.array[0]->reestablishPDCP == NR_DRB_ToAddMod__reestablishPDCP_true) {
for (int i = 0; i < MAX_MOBILES_PER_GNB; i++) {
nr_reestablish_rnti_map_t *nr_reestablish_rnti_map = &(RC.nrrrc[ctxt_pP->module_id])->nr_reestablish_rnti_map[i];
if (nr_reestablish_rnti_map->ue_id == ctxt_pP->rntiMaybeUEid) {
reestablish_ue_id = nr_reestablish_rnti_map[i].c_rnti;
LOG_D(NR_RRC, "Removing reestablish_rnti_map[%d] UEid %lx, RNTI %04x\n", i, nr_reestablish_rnti_map->ue_id, nr_reestablish_rnti_map->c_rnti);
// clear current C-RNTI from map
nr_reestablish_rnti_map->ue_id = 0;
nr_reestablish_rnti_map->c_rnti = 0;
break;
}
}
}
nr_pdcp_add_srbs(ctxt_pP->enb_flag, ctxt_pP->rntiMaybeUEid, SRB_configList, (ue_context_pP->ue_context.integrity_algorithm << 4) | ue_context_pP->ue_context.ciphering_algorithm, kRRCenc, kRRCint);
nr_pdcp_add_drbs(ctxt_pP->enb_flag,
ctxt_pP->rntiMaybeUEid,
reestablish_ue_id,
DRB_configList,
(ue_context_pP->ue_context.integrity_algorithm << 4) | ue_context_pP->ue_context.ciphering_algorithm,
kUPenc,
kUPint,
get_softmodem_params()->sa ? ue_context_pP->ue_context.masterCellGroup->rlc_BearerToAddModList : NULL);
/* Refresh SRBs/DRBs */
if (!NODE_IS_CU(RC.nrrrc[ctxt_pP->module_id]->node_type)) {
LOG_D(NR_RRC,"Configuring RLC DRBs/SRBs for UE %x\n",ue_context_pP->ue_context.rnti);
LOG_D(NR_RRC,"Configuring RLC DRBs/SRBs for UE %04x\n",ue_context_pP->ue_context.rnti);
nr_rrc_rlc_config_asn1_req(ctxt_pP,
SRB_configList, // NULL,
DRB_configList,
......@@ -1201,12 +1287,12 @@ rrc_gNB_process_RRCReconfigurationComplete(
} else if (SRB_configList->list.array[i]->srb_Identity == 2) {
ue_context_pP->ue_context.Srb2.Active = 1;
ue_context_pP->ue_context.Srb2.Srb_info.Srb_id = 2;
LOG_I(NR_RRC,"[gNB %d] Frame %d CC %d : SRB2 is now active\n",
LOG_I(NR_RRC,"[gNB %d] Frame %d CC %d: SRB2 is now active\n",
ctxt_pP->module_id,
ctxt_pP->frame,
ue_context_pP->ue_context.primaryCC_id);
} else {
LOG_W(NR_RRC,"[gNB %d] Frame %d CC %d : invalide SRB identity %ld\n",
LOG_W(NR_RRC,"[gNB %d] Frame %d CC %d: invalid SRB identity %ld\n",
ctxt_pP->module_id,
ctxt_pP->frame,
ue_context_pP->ue_context.primaryCC_id,
......@@ -1259,7 +1345,7 @@ rrc_gNB_process_RRCReconfigurationComplete(
nr_DRB2LCHAN[i]);*/
}
ue_context_pP->ue_context.DRB_active[drb_id] = 0;
//ue_context_pP->ue_context.DRB_active[drb_id] = 0;
LOG_D(NR_RRC, PROTOCOL_NR_RRC_CTXT_UE_FMT" RRC_eNB --- MAC_CONFIG_REQ (DRB) ---> MAC_eNB\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP));
......@@ -1291,87 +1377,105 @@ rrc_gNB_process_RRCReconfigurationComplete(
}
//-----------------------------------------------------------------------------
void
rrc_gNB_generate_RRCReestablishment(
const protocol_ctxt_t *const ctxt_pP,
rrc_gNB_ue_context_t *const ue_context_pP,
const int CC_id)
void rrc_gNB_generate_RRCReestablishment(const protocol_ctxt_t *ctxt_pP,
rrc_gNB_ue_context_t *ue_context_pP,
const uint8_t *masterCellGroup_from_DU,
NR_ServingCellConfigCommon_t *scc,
const int CC_id)
//-----------------------------------------------------------------------------
{
// int UE_id = -1;
//NR_LogicalChannelConfig_t *SRB1_logicalChannelConfig = NULL;
NR_SRB_ToAddModList_t **SRB_configList;
// NR_SRB_ToAddMod_t *SRB1_config = NULL;
//rrc_gNB_carrier_data_t *carrier = NULL;
gNB_RRC_UE_t *ue_context = NULL;
module_id_t module_id = ctxt_pP->module_id;
// uint16_t rnti = ctxt_pP->rnti;
gNB_RRC_INST *rrc = RC.nrrrc[ctxt_pP->module_id];
SRB_configList = &(ue_context_pP->ue_context.SRB_configList);
//carrier = &(RC.nrrrc[ctxt_pP->module_id]->carrier);
ue_context = &(ue_context_pP->ue_context);
unsigned char buf[1024];
int size = do_RRCReestablishment(ctxt_pP,
ue_context_pP,
CC_id,
buf,
sizeof(buf),
//(uint8_t) carrier->p_gNB, // at this point we do not have the UE capability information, so it can only be TM1 or TM2
rrc_gNB_get_next_transaction_identifier(module_id),
SRB_configList
//&(ue_context->physicalConfigDedicated)
);
/* Configure SRB1 for UE */
if (*SRB_configList != NULL) {
for (int cnt = 0; cnt < (*SRB_configList)->list.count; cnt++) {
if ((*SRB_configList)->list.array[cnt]->srb_Identity == 1) {
// SRB1_config = (*SRB_configList)->list.array[cnt];
}
// int UE_id = -1;
// NR_LogicalChannelConfig_t *SRB1_logicalChannelConfig = NULL;
NR_SRB_ToAddModList_t **SRB_configList;
// NR_SRB_ToAddMod_t *SRB1_config = NULL;
// rrc_gNB_carrier_data_t *carrier = NULL;
module_id_t module_id = ctxt_pP->module_id;
gNB_RRC_INST *rrc = RC.nrrrc[ctxt_pP->module_id];
int enable_ciphering = 0;
LOG_D(NR_RRC, PROTOCOL_NR_RRC_CTXT_UE_FMT" RRC_gNB --- MAC_CONFIG_REQ (SRB1) ---> MAC_gNB\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP));
// Need to drop spCellConfig when there is a RRCReestablishment
// Save spCellConfig in spCellConfigReestablishment to recover after Reestablishment is completed
ue_context_pP->ue_context.spCellConfigReestablishment = ue_context_pP->ue_context.masterCellGroup->spCellConfig;
ue_context_pP->ue_context.masterCellGroup->spCellConfig = NULL;
// rrc_mac_config_req_eNB
SRB_configList = &(ue_context_pP->ue_context.SRB_configList);
uint8_t buffer[RRC_BUF_SIZE] = {0};
int size = do_RRCReestablishment(ctxt_pP,
ue_context_pP,
CC_id,
buffer,
RRC_BUF_SIZE,
rrc_gNB_get_next_transaction_identifier(module_id),
SRB_configList,
masterCellGroup_from_DU,
scc,
&rrc->carrier);
LOG_I(NR_RRC, PROTOCOL_NR_RRC_CTXT_UE_FMT " [RAPROC] Logical Channel DL-DCCH, Generating NR_RRCReestablishment (bytes %d)\n", PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP), size);
#if (0)
/* TODO : It may be needed if gNB goes into full stack working. */
UE = find_nr_UE(module_id, rnti);
if (UE_id != -1) {
/* Activate reject timer, if RRCComplete not received after 10 frames, reject UE */
RC.nrmac[module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 1;
/* Reject UE after 10 frames, NR_RRCReestablishmentReject is triggered */
RC.nrmac[module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer_thres = 100;
} else {
LOG_E(NR_RRC, PROTOCOL_NR_RRC_CTXT_UE_FMT " Generating NR_RRCReestablishment without UE_id(MAC) rnti %x\n", PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP), rnti);
}
#endif
uint8_t *kRRCenc = NULL;
uint8_t *kRRCint = NULL;
uint8_t *kUPenc = NULL;
/* Derive the keys from kgnb */
if (SRB_configList != NULL) {
nr_derive_key_up_enc(ue_context_pP->ue_context.ciphering_algorithm, ue_context_pP->ue_context.kgnb, &kUPenc);
}
nr_derive_key_rrc_enc(ue_context_pP->ue_context.ciphering_algorithm, ue_context_pP->ue_context.kgnb, &kRRCenc);
nr_derive_key_rrc_int(ue_context_pP->ue_context.integrity_algorithm, ue_context_pP->ue_context.kgnb, &kRRCint);
/* Configure SRB1 for UE */
if (*SRB_configList != NULL) {
for (int cnt = 0; cnt < (*SRB_configList)->list.count; cnt++) {
if ((*SRB_configList)->list.array[cnt]->srb_Identity == 1) {
nr_pdcp_add_srbs(ctxt_pP->enb_flag,
ctxt_pP->rntiMaybeUEid,
*SRB_configList,
0,
NULL,
NULL);
}
} // if (*SRB_configList != NULL)
LOG_I(NR_RRC, PROTOCOL_NR_RRC_CTXT_UE_FMT" [RAPROC] Logical Channel DL-DCCH, Generating NR_RRCReestablishment (bytes %d)\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),
size);
#if(0)
/* TODO : It may be needed if gNB goes into full stack working. */
UE = find_nr_UE(module_id, rnti);
if (UE_id != -1) {
/* Activate reject timer, if RRCComplete not received after 10 frames, reject UE */
RC.nrmac[module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 1;
/* Reject UE after 10 frames, LTE_RRCConnectionReestablishmentReject is triggered */
RC.nrmac[module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer_thres = 100;
} else {
LOG_E(NR_RRC, PROTOCOL_NR_RRC_CTXT_UE_FMT" Generating NR_RRCReestablishment without UE_id(MAC) rnti %x\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),
rnti);
LOG_D(NR_RRC, PROTOCOL_NR_RRC_CTXT_UE_FMT " RRC_gNB --- MAC_CONFIG_REQ (SRB1) ---> MAC_gNB\n", PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP));
}
#endif
} // if (*SRB_configList != NULL)
/* correct? specs say RRCReestablishment goes through srb1... */
f1ap_dl_rrc_message_t dl_rrc = {
.old_gNB_DU_ue_id = 0xFFFFFF,
.rrc_container = buf,
.rrc_container_length = size,
.rnti = ue_context->rnti,
.srb_id = CCCH
};
rrc->mac_rrc.dl_rrc_message_transfer(ctxt_pP->module_id, &dl_rrc);
LOG_I(NR_RRC, "Set PDCP security RNTI %04lx nca %ld nia %d in RRCReestablishment\n", ctxt_pP->rntiMaybeUEid, ue_context_pP->ue_context.ciphering_algorithm, ue_context_pP->ue_context.integrity_algorithm);
pdcp_config_set_security(
ctxt_pP,
NULL, /* pdcp_pP not used anymore in NR */
DCCH,
DCCH + 2,
enable_ciphering ? ue_context_pP->ue_context.ciphering_algorithm | (ue_context_pP->ue_context.integrity_algorithm << 4) : 0 | (ue_context_pP->ue_context.integrity_algorithm << 4),
kRRCenc,
kRRCint,
kUPenc);
if (!NODE_IS_CU(rrc->node_type)) {
apply_macrlc_config_reest(rrc, ue_context_pP, ctxt_pP, ctxt_pP->rntiMaybeUEid);
}
nr_rrc_data_req(ctxt_pP, DCCH, rrc_gNB_mui++, SDU_CONFIRM_NO, size, buffer, PDCP_TRANSMISSION_MODE_CONTROL);
}
//-----------------------------------------------------------------------------
void rrc_gNB_process_RRCConnectionReestablishmentComplete(const protocol_ctxt_t *const ctxt_pP, const rnti_t reestablish_rnti, rrc_gNB_ue_context_t *ue_context_pP, const uint8_t old_xid)
void rrc_gNB_process_RRCReestablishmentComplete(const protocol_ctxt_t *const ctxt_pP, const rnti_t reestablish_rnti, rrc_gNB_ue_context_t *ue_context_pP, const uint8_t xid)
//-----------------------------------------------------------------------------
{
LOG_I(NR_RRC,
PROTOCOL_RRC_CTXT_UE_FMT" [RAPROC] Logical Channel UL-DCCH, processing NR_RRCConnectionReestablishmentComplete from UE (SRB1 Active)\n",
PROTOCOL_RRC_CTXT_UE_FMT" [RAPROC] Logical Channel UL-DCCH, processing NR_RRCReestablishmentComplete from UE (SRB1 Active)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
NR_DRB_ToAddModList_t *DRB_configList = ue_context_pP->ue_context.DRB_configList;
......@@ -1382,15 +1486,13 @@ void rrc_gNB_process_RRCConnectionReestablishmentComplete(const protocol_ctxt_t
NR_DRB_ToAddMod_t *DRB_config = NULL;
//NR_SDAP_Config_t *sdap_config = NULL;
int i = 0;
uint8_t buffer[RRC_BUF_SIZE];
uint16_t size;
uint8_t new_xid = rrc_gNB_get_next_transaction_identifier(ctxt_pP->module_id);
int ret = 0;
ue_context_pP->ue_context.StatusRrc = NR_RRC_CONNECTED;
ue_context_pP->ue_context.ue_rrc_inactivity_timer = 1; // set rrc inactivity when UE goes into RRC_CONNECTED
ue_context_pP->ue_context.reestablishment_xid = new_xid;
SRB_configList2 = &ue_context_pP->ue_context.SRB_configList2[old_xid];
SRB_configList2 = &ue_context_pP->ue_context.SRB_configList2[xid];
// get old configuration of SRB2
if (*SRB_configList2 != NULL) {
......@@ -1401,8 +1503,10 @@ void rrc_gNB_process_RRCConnectionReestablishmentComplete(const protocol_ctxt_t
for (i = 0; (i < (*SRB_configList2)->list.count) && (i < 3); i++) {
if ((*SRB_configList2)->list.array[i]->srb_Identity == 2 ) {
LOG_D(NR_RRC, "get SRB2_config from (ue_context_pP->ue_context.SRB_configList2[%d])\n", old_xid);
LOG_D(NR_RRC, "get SRB2_config from (ue_context_pP->ue_context.SRB_configList2[%d])\n", xid);
SRB2_config = (*SRB_configList2)->list.array[i];
SRB2_config->reestablishPDCP = CALLOC(1, sizeof(*SRB2_config->reestablishPDCP));
*SRB2_config->reestablishPDCP = NR_SRB_ToAddMod__reestablishPDCP_true;
break;
}
}
......@@ -1445,6 +1549,7 @@ void rrc_gNB_process_RRCConnectionReestablishmentComplete(const protocol_ctxt_t
for (i = 0; (i < DRB_configList->list.count) && (i < 3); i++) {
DRB_config = DRB_configList->list.array[i];
asn1cCallocOne(DRB_config->reestablishPDCP, NR_DRB_ToAddMod__reestablishPDCP_true);
// Add DRB to DRB configuration list, for LTE_RRCConnectionReconfigurationComplete
asn1cSeqAdd(&(*DRB_configList2)->list, DRB_config);
}
......@@ -1530,9 +1635,10 @@ void rrc_gNB_process_RRCConnectionReestablishmentComplete(const protocol_ctxt_t
ue_context_pP->ue_context.ul_failure_timer = 0;
return;
}
}
}
/* Update RNTI in ue_context */
LOG_I(NR_RRC, "Updating UEid from %04x to %lx\n", ue_context_pP->ue_context.rnti, ctxt_pP->rntiMaybeUEid);
ue_context_pP->ue_id_rnti = ctxt_pP->rntiMaybeUEid; // here ue_id_rnti is just a key, may be something else
ue_context_pP->ue_context.rnti = ctxt_pP->rntiMaybeUEid;
......@@ -1545,35 +1651,54 @@ void rrc_gNB_process_RRCConnectionReestablishmentComplete(const protocol_ctxt_t
LOG_D(NR_RRC, "set security successfully \n");
}
uint8_t drb_id_to_setup_start = DRB_configList ? DRB_configList->list.array[0]->drb_Identity : 1;
uint8_t nb_drb_to_setup = DRB_configList ? DRB_configList->list.count : ue_context_pP->ue_context.nb_of_pdusessions;
/* TODO: hardcoded to 13 for the time being, to be changed? */
long drb_priority[NGAP_MAX_DRBS_PER_UE] = {13};
/* Add all NAS PDUs to the list */
for (i = 0; i < ue_context_pP->ue_context.nb_of_pdusessions; i++) {
/* TODO parameters yet to process ... */
/* TODO should test if pdu session are Ok before! */
ue_context_pP->ue_context.pduSession[i].status = PDU_SESSION_STATUS_DONE;
ue_context_pP->ue_context.pduSession[i].xid = old_xid;
ue_context_pP->ue_context.pduSession[i].xid = xid;
LOG_D(NR_RRC, "setting the status for the default DRB (index %d) to (%d,%s)\n",
i, ue_context_pP->ue_context.pduSession[i].status, "PDU_SESSION_STATUS_DONE");
}
memset(buffer, 0, sizeof(buffer));
gNB_RRC_INST *rrc = RC.nrrrc[ctxt_pP->module_id];
NR_CellGroupConfig_t *cellGroupConfig = calloc(1, sizeof(NR_CellGroupConfig_t));
size = do_RRCReconfiguration(ctxt_pP,
buffer,
sizeof(buffer),
old_xid,
*SRB_configList2,
DRB_configList,
NULL,
NULL,
NULL,
NULL, // MeasObj_list,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL);
// Revert spCellConfig stored in spCellConfigReestablishment before had been dropped during RRC Reestablishment
ue_context_pP->ue_context.masterCellGroup->spCellConfig = ue_context_pP->ue_context.spCellConfigReestablishment;
ue_context_pP->ue_context.spCellConfigReestablishment = NULL;
cellGroupConfig->spCellConfig = ue_context_pP->ue_context.masterCellGroup->spCellConfig;
fill_mastercellGroupConfig(cellGroupConfig, ue_context_pP->ue_context.masterCellGroup, rrc->um_on_default_drb, (drb_id_to_setup_start < 2) ? 1 : 0, drb_id_to_setup_start, nb_drb_to_setup, drb_priority);
for(i = 0; i < cellGroupConfig->rlc_BearerToAddModList->list.count; i++) {
cellGroupConfig->rlc_BearerToAddModList->list.array[i]->reestablishRLC = CALLOC(1, sizeof(*cellGroupConfig->rlc_BearerToAddModList->list.array[i]->reestablishRLC));
*cellGroupConfig->rlc_BearerToAddModList->list.array[i]->reestablishRLC = NR_RLC_BearerConfig__reestablishRLC_true;
}
uint8_t buffer[RRC_BUF_SIZE] = {0};
int size = do_RRCReconfiguration(ctxt_pP,
buffer,
RRC_BUF_SIZE,
new_xid,
*SRB_configList2,
DRB_configList,
NULL,
NULL,
NULL,
NULL, // MeasObj_list,
NULL,
ue_context_pP,
&rrc->carrier,
NULL,
NULL,
cellGroupConfig);
LOG_DUMPMSG(NR_RRC,DEBUG_RRC,(char *)buffer,size, "[MSG] RRC Reconfiguration\n");
......@@ -1586,24 +1711,35 @@ void rrc_gNB_process_RRCConnectionReestablishmentComplete(const protocol_ctxt_t
}
}
if(size==65535) {
LOG_E(NR_RRC,"RRC decode err!!! do_RRCReconfiguration\n");
if (size < 0) {
LOG_E(NR_RRC, "RRC decode err!!! do_RRCReconfiguration\n");
return;
} else {
LOG_I(NR_RRC,
"[gNB %d] Frame %d, Logical Channel DL-DCCH, Generate NR_RRCConnectionReconfiguration (bytes %d, UE id %x)\n",
ctxt_pP->module_id, ctxt_pP->frame, size, ue_context_pP->ue_context.rnti);
LOG_I(NR_RRC, "[gNB %d] Frame %d, Logical Channel DL-DCCH, Generate NR_RRCReconfiguration (bytes %d, UE id %04x)\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 (rrcConnectionReconfiguration 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);
nr_rrc_data_req(
ctxt_pP,
DCCH,
rrc_gNB_mui++,
SDU_CONFIRM_NO,
size,
buffer,
PDCP_TRANSMISSION_MODE_CONTROL);
"[FRAME %05d][RRC_gNB][MOD %u][][--- PDCP_DATA_REQ/%d Bytes (RRCReconfiguration to UE %04x 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);
gNB_RrcConfigurationReq *configuration = &RC.nrrrc[ctxt_pP->module_id]->configuration;
rrc_mac_config_req_gNB(ctxt_pP->module_id,
configuration->pdsch_AntennaPorts,
configuration->pusch_AntennaPorts,
configuration->sib1_tda,
configuration->minRXTXTIME,
NULL,
NULL,
NULL,
0,
ue_context_pP->ue_context.rnti,
cellGroupConfig);
nr_rrc_data_req(ctxt_pP, DCCH, rrc_gNB_mui++, SDU_CONFIRM_NO, size, buffer, PDCP_TRANSMISSION_MODE_CONTROL);
}
if (NODE_IS_DU(RC.nrrrc[ctxt_pP->module_id]->node_type) || NODE_IS_MONOLITHIC(RC.nrrrc[ctxt_pP->module_id]->node_type)) {
......@@ -1626,8 +1762,6 @@ int nr_rrc_reconfiguration_req(rrc_gNB_ue_context_t *const ue_context_pP
const int dl_bwp_id,
const int ul_bwp_id) {
uint8_t buffer[RRC_BUF_SIZE];
memset(buffer, 0, sizeof(buffer));
uint8_t xid = rrc_gNB_get_next_transaction_identifier(ctxt_pP->module_id);
NR_CellGroupConfig_t *masterCellGroup = ue_context_pP->ue_context.masterCellGroup;
......@@ -1639,22 +1773,23 @@ int nr_rrc_reconfiguration_req(rrc_gNB_ue_context_t *const ue_context_pP
*masterCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->firstActiveUplinkBWP_Id = ul_bwp_id;
}
uint16_t size = do_RRCReconfiguration(ctxt_pP,
buffer,
sizeof(buffer),
xid,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
ue_context_pP,
NULL,
NULL,
NULL,
masterCellGroup);
uint8_t buffer[RRC_BUF_SIZE];
int size = do_RRCReconfiguration(ctxt_pP,
buffer,
RRC_BUF_SIZE,
xid,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
ue_context_pP,
NULL,
NULL,
NULL,
masterCellGroup);
gNB_RrcConfigurationReq *configuration = &RC.nrrrc[ctxt_pP->module_id]->configuration;
rrc_mac_config_req_gNB(ctxt_pP->module_id,
......@@ -1836,160 +1971,131 @@ int nr_rrc_gNB_decode_ccch(protocol_ctxt_t *const ctxt_pP,
LOG_I(NR_RRC, "receive rrcResumeRequest message \n");
break;
case NR_UL_CCCH_MessageType__c1_PR_rrcReestablishmentRequest:
LOG_I(NR_RRC, "receive rrcReestablishmentRequest message \n");
LOG_DUMPMSG(NR_RRC, DEBUG_RRC,(char *)(buffer), buffer_length,
"[MSG] RRC Reestablishment Request\n");
LOG_D(NR_RRC,
PROTOCOL_NR_RRC_CTXT_UE_FMT"MAC_gNB--- MAC_DATA_IND (rrcReestablishmentRequest on SRB0) --> RRC_gNB\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP));
case NR_UL_CCCH_MessageType__c1_PR_rrcReestablishmentRequest: {
LOG_I(NR_RRC, "Received rrcReestablishmentRequest message\n");
LOG_DUMPMSG(NR_RRC, DEBUG_RRC, (char *)(buffer), buffer_length, "[MSG] RRC Reestablishment Request\n");
LOG_D(NR_RRC, PROTOCOL_NR_RRC_CTXT_UE_FMT "MAC_gNB--- MAC_DATA_IND (rrcReestablishmentRequest on SRB0) --> RRC_gNB\n", PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP));
rrcReestablishmentRequest = ul_ccch_msg->message.choice.c1->choice.rrcReestablishmentRequest->rrcReestablishmentRequest;
LOG_I(NR_RRC,
PROTOCOL_NR_RRC_CTXT_UE_FMT" NR_RRCReestablishmentRequest cause %s\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),
((rrcReestablishmentRequest.reestablishmentCause == NR_ReestablishmentCause_otherFailure) ? "Other Failure" :
(rrcReestablishmentRequest.reestablishmentCause == NR_ReestablishmentCause_handoverFailure) ? "Handover Failure" :
"reconfigurationFailure"));
{
uint16_t c_rnti = 0;
if (rrcReestablishmentRequest.ue_Identity.physCellId != RC.nrrrc[ctxt_pP->module_id]->carrier.physCellId) {
/* UE was moving from previous cell so quickly that RRCReestablishment for previous cell was recieved in this cell */
LOG_E(NR_RRC,
PROTOCOL_NR_RRC_CTXT_UE_FMT" NR_RRCReestablishmentRequest ue_Identity.physCellId(%ld) is not equal to current physCellId(%d), fallback to RRC establishment\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),
rrcReestablishmentRequest.ue_Identity.physCellId,
RC.nrrrc[ctxt_pP->module_id]->carrier.physCellId);
rrc_gNB_generate_RRCSetup_for_RRCReestablishmentRequest(ctxt_pP, 0);
break;
}
PROTOCOL_NR_RRC_CTXT_UE_FMT " NR_RRCReestablishmentRequest cause %s\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),
((rrcReestablishmentRequest.reestablishmentCause == NR_ReestablishmentCause_otherFailure) ? "Other Failure"
: (rrcReestablishmentRequest.reestablishmentCause == NR_ReestablishmentCause_handoverFailure) ? "Handover Failure"
: "reconfigurationFailure"));
if (rrcReestablishmentRequest.ue_Identity.physCellId != RC.nrrrc[ctxt_pP->module_id]->carrier.physCellId) {
/* UE was moving from previous cell so quickly that RRCReestablishment for previous cell was received in this cell */
LOG_E(NR_RRC,
PROTOCOL_NR_RRC_CTXT_UE_FMT " NR_RRCReestablishmentRequest ue_Identity.physCellId(%ld) is not equal to current physCellId(%d), fallback to RRC establishment\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),
rrcReestablishmentRequest.ue_Identity.physCellId,
RC.nrrrc[ctxt_pP->module_id]->carrier.physCellId);
rrc_gNB_generate_RRCSetup_for_RRCReestablishmentRequest(ctxt_pP, 0);
break;
}
LOG_D(NR_RRC, "physCellId is %ld\n", rrcReestablishmentRequest.ue_Identity.physCellId);
LOG_I(NR_RRC, "physCellId: %ld\n", rrcReestablishmentRequest.ue_Identity.physCellId);
for (int i = 0; i < rrcReestablishmentRequest.ue_Identity.shortMAC_I.size; i++) {
LOG_D(NR_RRC, "rrcReestablishmentRequest.ue_Identity.shortMAC_I.buf[%d] = %x\n",
i, rrcReestablishmentRequest.ue_Identity.shortMAC_I.buf[i]);
}
for (int i = 0; i < rrcReestablishmentRequest.ue_Identity.shortMAC_I.size; i++) {
LOG_D(NR_RRC, "rrcReestablishmentRequest.ue_Identity.shortMAC_I.buf[%d] = %x\n", i, rrcReestablishmentRequest.ue_Identity.shortMAC_I.buf[i]);
}
if (rrcReestablishmentRequest.ue_Identity.c_RNTI < 0 ||
rrcReestablishmentRequest.ue_Identity.c_RNTI > 65535) {
/* c_RNTI range error should not happen */
LOG_E(NR_RRC,
PROTOCOL_NR_RRC_CTXT_UE_FMT" NR_RRCReestablishmentRequest c_RNTI range error, fallback to RRC establishment\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP));
rrc_gNB_generate_RRCSetup_for_RRCReestablishmentRequest(ctxt_pP, 0);
break;
}
// 3GPP TS 38.321 version 15.13.0 Section 7.1 Table 7.1-1: RNTI values
if (rrcReestablishmentRequest.ue_Identity.c_RNTI < 0x1 || rrcReestablishmentRequest.ue_Identity.c_RNTI > 0xffef) {
/* c_RNTI range error should not happen */
LOG_E(NR_RRC, "NR_RRCReestablishmentRequest c_RNTI range error, fallback to RRC establishment\n");
rrc_gNB_generate_RRCSetup_for_RRCReestablishmentRequest(ctxt_pP, 0);
break;
}
c_rnti = rrcReestablishmentRequest.ue_Identity.c_RNTI;
LOG_I(NR_RRC, "c_rnti is %x\n", c_rnti);
ue_context_p = rrc_gNB_get_ue_context(gnb_rrc_inst, c_rnti);
rnti_t c_rnti = rrcReestablishmentRequest.ue_Identity.c_RNTI;
LOG_I(NR_RRC, "c_RNTI: %04x\n", c_rnti);
ue_context_p = rrc_gNB_get_ue_context(gnb_rrc_inst, c_rnti);
if (ue_context_p == NULL) {
LOG_E(NR_RRC, "NR_RRCReestablishmentRequest without UE context, fallback to RRC establishment\n");
rrc_gNB_generate_RRCSetup_for_RRCReestablishmentRequest(ctxt_pP, 0);
break;
}
if (ue_context_p == NULL) {
LOG_E(NR_RRC,
PROTOCOL_NR_RRC_CTXT_UE_FMT" NR_RRCReestablishmentRequest without UE context, fallback to RRC establishment\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP));
rrc_gNB_generate_RRCSetup_for_RRCReestablishmentRequest(ctxt_pP, 0);
break;
}
#if(0)
/* TODO : It may be needed if gNB goes into full stack working. */
int UE_id = find_nr_UE_id(ctxt_pP->module_id, c_rnti);
#if (0)
/* TODO : It may be needed if gNB goes into full stack working. */
int UE_id = find_nr_UE_id(ctxt_pP->module_id, c_rnti);
if(UE_id == -1) {
LOG_E(NR_RRC,
PROTOCOL_NR_RRC_CTXT_UE_FMT" NR_RRCReestablishmentRequest without UE_id(MAC) rnti %x, fallback to RRC establishment\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),c_rnti);
rrc_gNB_generate_RRCSetup_for_RRCReestablishmentRequest(ctxt_pP, 0);
break;
}
if (UE_id == -1) {
LOG_E(NR_RRC, PROTOCOL_NR_RRC_CTXT_UE_FMT " NR_RRCReestablishmentRequest without UE_id(MAC) rnti %x, fallback to RRC establishment\n", PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP), c_rnti);
rrc_gNB_generate_RRCSetup_for_RRCReestablishmentRequest(ctxt_pP, 0);
break;
}
//previous rnti
rnti_t previous_rnti = 0;
// previous rnti
rnti_t previous_rnti = 0;
for (int i = 0; i < MAX_MOBILES_PER_ENB; i++) {
if (reestablish_rnti_map[i][1] == c_rnti) {
previous_rnti = reestablish_rnti_map[i][0];
break;
}
for (int i = 0; i < MAX_MOBILES_PER_ENB; i++) {
if (reestablish_rnti_map[i][1] == c_rnti) {
previous_rnti = reestablish_rnti_map[i][0];
break;
}
}
if(previous_rnti != 0) {
UE_id = find_nr_UE_id(ctxt_pP->module_id, previous_rnti);
if (previous_rnti != 0) {
UE_id = find_nr_UE_id(ctxt_pP->module_id, previous_rnti);
if(UE_id == -1) {
LOG_E(NR_RRC,
PROTOCOL_NR_RRC_CTXT_UE_FMT" RRCReestablishmentRequest without UE_id(MAC) previous rnti %x, fallback to RRC establishment\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),previous_rnti);
rrc_gNB_generate_RRCSetup_for_RRCReestablishmentRequest(ctxt_pP, 0);
break;
}
}
#endif
//c-plane not end
if((ue_context_p->ue_context.StatusRrc != NR_RRC_RECONFIGURED) && (ue_context_p->ue_context.reestablishment_cause == NR_ReestablishmentCause_spare1)) {
if (UE_id == -1) {
LOG_E(NR_RRC,
PROTOCOL_NR_RRC_CTXT_UE_FMT" NR_RRCReestablishmentRequest (UE %x c-plane is not end), RRC establishment failed \n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),c_rnti);
/* TODO RRC Release ? */
PROTOCOL_NR_RRC_CTXT_UE_FMT " RRCReestablishmentRequest without UE_id(MAC) previous rnti %x, fallback to RRC establishment\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),
previous_rnti);
rrc_gNB_generate_RRCSetup_for_RRCReestablishmentRequest(ctxt_pP, 0);
break;
}
}
#endif
// c-plane not end
if ((ue_context_p->ue_context.StatusRrc != NR_RRC_RECONFIGURED) && (ue_context_p->ue_context.reestablishment_cause == NR_ReestablishmentCause_spare1)) {
LOG_E(NR_RRC, "NR_RRCReestablishmentRequest (UE %x c-plane is not end), RRC establishment failed\n", c_rnti);
/* TODO RRC Release ? */
break;
}
if(ue_context_p->ue_context.ue_reestablishment_timer > 0) {
LOG_E(NR_RRC,
PROTOCOL_NR_RRC_CTXT_UE_FMT" RRRCReconfigurationComplete(Previous) don't receive, delete the Previous UE,\nprevious Status %d, new Status NR_RRC_RECONFIGURED\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),
ue_context_p->ue_context.StatusRrc
);
ue_context_p->ue_context.StatusRrc = NR_RRC_RECONFIGURED;
protocol_ctxt_t ctxt_old_p;
PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt_old_p,
ctxt_pP->instance,
GNB_FLAG_YES,
c_rnti,
ctxt_pP->frame,
ctxt_pP->subframe);
rrc_gNB_process_RRCReconfigurationComplete(&ctxt_old_p,
ue_context_p,
ue_context_p->ue_context.reestablishment_xid);
if (ue_context_p->ue_context.ue_reestablishment_timer > 0) {
LOG_E(NR_RRC, "RRRCReconfigurationComplete(Previous) don't receive, delete the Previous UE,\nprevious Status %d, new Status NR_RRC_RECONFIGURED\n", ue_context_p->ue_context.StatusRrc);
ue_context_p->ue_context.StatusRrc = NR_RRC_RECONFIGURED;
protocol_ctxt_t ctxt_old_p;
PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt_old_p, ctxt_pP->instance, GNB_FLAG_YES, c_rnti, ctxt_pP->frame, ctxt_pP->subframe);
rrc_gNB_process_RRCReconfigurationComplete(&ctxt_old_p, ue_context_p, ue_context_p->ue_context.reestablishment_xid);
for (uint8_t pdusessionid = 0; pdusessionid < ue_context_p->ue_context.nb_of_pdusessions; pdusessionid++) {
if (ue_context_p->ue_context.pduSession[pdusessionid].status == PDU_SESSION_STATUS_DONE) {
ue_context_p->ue_context.pduSession[pdusessionid].status = PDU_SESSION_STATUS_ESTABLISHED;
} else {
ue_context_p->ue_context.pduSession[pdusessionid].status = PDU_SESSION_STATUS_FAILED;
}
for (uint8_t pdusessionid = 0; pdusessionid < ue_context_p->ue_context.nb_of_pdusessions; pdusessionid++) {
if (ue_context_p->ue_context.pduSession[pdusessionid].status == PDU_SESSION_STATUS_DONE) {
ue_context_p->ue_context.pduSession[pdusessionid].status = PDU_SESSION_STATUS_ESTABLISHED;
} else {
ue_context_p->ue_context.pduSession[pdusessionid].status = PDU_SESSION_STATUS_FAILED;
}
}
}
LOG_D(NR_RRC,
PROTOCOL_NR_RRC_CTXT_UE_FMT" UE context: %p\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),
ue_context_p);
/* reset timers */
ue_context_p->ue_context.ul_failure_timer = 0;
ue_context_p->ue_context.ue_release_timer = 0;
ue_context_p->ue_context.ue_reestablishment_timer = 0;
// ue_context_p->ue_context.ue_release_timer_s1 = 0;
ue_context_p->ue_context.ue_release_timer_rrc = 0;
ue_context_p->ue_context.reestablishment_xid = -1;
// insert C-RNTI to map
for (int i = 0; i < MAX_MOBILES_PER_ENB; i++) {
if (reestablish_rnti_map[i][0] == 0) {
reestablish_rnti_map[i][0] = ctxt_pP->rntiMaybeUEid;
reestablish_rnti_map[i][1] = c_rnti;
LOG_D(NR_RRC, "reestablish_rnti_map[%d] [0] %x, [1] %x\n",
i, reestablish_rnti_map[i][0], reestablish_rnti_map[i][1]);
break;
}
/* reset timers */
ue_context_p->ue_context.ul_failure_timer = 0;
ue_context_p->ue_context.ue_release_timer = 0;
ue_context_p->ue_context.ue_reestablishment_timer = 0;
// ue_context_p->ue_context.ue_release_timer_s1 = 0;
ue_context_p->ue_context.ue_release_timer_rrc = 0;
ue_context_p->ue_context.reestablishment_xid = -1;
// Insert C-RNTI to map
for (int i = 0; i < MAX_MOBILES_PER_GNB; i++) {
nr_reestablish_rnti_map_t *nr_reestablish_rnti_map = &(RC.nrrrc[ctxt_pP->module_id])->nr_reestablish_rnti_map[i];
LOG_I(NR_RRC, "Insert nr_reestablish_rnti_map[%d] UEid: %lx, RNTI: %04x\n", i, nr_reestablish_rnti_map->ue_id, nr_reestablish_rnti_map->c_rnti);
if (nr_reestablish_rnti_map->ue_id == 0) {
nr_reestablish_rnti_map->ue_id = ctxt_pP->rntiMaybeUEid;
nr_reestablish_rnti_map->c_rnti = c_rnti;
LOG_I(NR_RRC, "Insert nr_reestablish_rnti_map[%d] UEid: %lx, RNTI: %04x\n", i, nr_reestablish_rnti_map->ue_id, nr_reestablish_rnti_map->c_rnti);
break;
}
}
ue_context_p->ue_context.reestablishment_cause = rrcReestablishmentRequest.reestablishmentCause;
LOG_D(NR_RRC, PROTOCOL_NR_RRC_CTXT_UE_FMT" Accept reestablishment request from UE physCellId %ld cause %ld\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP),
rrcReestablishmentRequest.ue_Identity.physCellId,
ue_context_p->ue_context.reestablishment_cause);
ue_context_p->ue_context.reestablishment_cause = rrcReestablishmentRequest.reestablishmentCause;
LOG_D(NR_RRC, "Accept RRCReestablishmentRequest from UE physCellId %ld cause %ld\n", rrcReestablishmentRequest.ue_Identity.physCellId, ue_context_p->ue_context.reestablishment_cause);
ue_context_p->ue_context.primaryCC_id = 0;
//LG COMMENT Idx = (ue_mod_idP * NB_RB_MAX) + DCCH;
......@@ -2005,11 +2111,10 @@ int nr_rrc_gNB_decode_ccch(protocol_ctxt_t *const ctxt_pP,
rrc_init_nr_srb_param(&ue_context_p->ue_context.Srb2.Srb_info.Lchan_desc[0]);
rrc_init_nr_srb_param(&ue_context_p->ue_context.Srb2.Srb_info.Lchan_desc[1]);
rrc_gNB_generate_RRCReestablishment(ctxt_pP, ue_context_p, 0);
rrc_gNB_generate_RRCReestablishment(ctxt_pP, ue_context_p, du_to_cu_rrc_container, gnb_rrc_inst->carrier.servingcellconfigcommon, 0);
LOG_I(NR_RRC, PROTOCOL_NR_RRC_CTXT_UE_FMT "CALLING RLC CONFIG SRB1 (rbid %d)\n", PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP), Idx);
}
break;
LOG_I(NR_RRC, "CALLING RLC CONFIG SRB1 (rbid %d)\n", Idx);
} break;
case NR_UL_CCCH_MessageType__c1_PR_rrcSystemInfoRequest:
LOG_I(NR_RRC, "receive rrcSystemInfoRequest message \n");
......@@ -2178,15 +2283,17 @@ rrc_gNB_decode_dcch(
ue_context_p->ue_context.gnb_gtp_psi[i] = 0;
}
}
gtpv1u_delete_ngu_tunnel(ctxt_pP->instance, &req);
gtpv1u_delete_ngu_tunnel(ctxt_pP->instance, &req);
//NGAP_PDUSESSION_RELEASE_RESPONSE
rrc_gNB_send_NGAP_PDUSESSION_RELEASE_RESPONSE(ctxt_pP, ue_context_p, xid);
} else if (ue_context_p->ue_context.established_pdu_sessions_flag != 1) {
if (ue_context_p->ue_context.nb_of_pdusessions > 0) {
rrc_gNB_send_NGAP_PDUSESSION_SETUP_RESP(ctxt_pP,
ue_context_p,
ul_dcch_msg->message.choice.c1->choice.rrcReconfigurationComplete->rrc_TransactionIdentifier);
ue_context_p->ue_context.nb_of_pdusessions = 0;
if (ue_context_p->ue_context.reestablishment_xid < 0) {
if (ue_context_p->ue_context.nb_of_pdusessions > 0) {
rrc_gNB_send_NGAP_PDUSESSION_SETUP_RESP(ctxt_pP, ue_context_p, ul_dcch_msg->message.choice.c1->choice.rrcReconfigurationComplete->rrc_TransactionIdentifier);
ue_context_p->ue_context.nb_of_pdusessions = 0;
}
} else {
ue_context_p->ue_context.reestablishment_xid = -1;
}
}
if (ue_context_p->ue_context.nb_of_modify_pdusessions > 0) {
......@@ -2528,68 +2635,61 @@ rrc_gNB_decode_dcch(
break;
case NR_UL_DCCH_MessageType__c1_PR_rrcReestablishmentComplete:
LOG_DUMPMSG(NR_RRC,DEBUG_RRC,(char *)Rx_sdu,sdu_sizeP,
"[MSG] NR_RRC Connection Reestablishment Complete\n");
LOG_I(NR_RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RLC RB %02d --- RLC_DATA_IND %d bytes "
"(rrcConnectionReestablishmentComplete) ---> RRC_gNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
DCCH,
sdu_sizeP);
{
rnti_t reestablish_rnti = 0;
// select C-RNTI from map
for (i = 0; i < MAX_MOBILES_PER_ENB; i++) {
if (reestablish_rnti_map[i][0] == ctxt_pP->rntiMaybeUEid) {
reestablish_rnti = reestablish_rnti_map[i][1];
ue_context_p = rrc_gNB_get_ue_context(
RC.nrrrc[ctxt_pP->module_id],
reestablish_rnti);
// clear currentC-RNTI from map
reestablish_rnti_map[i][0] = 0;
reestablish_rnti_map[i][1] = 0;
LOG_D(NR_RRC, "reestablish_rnti_map[%d] [0] %x, [1] %x\n",
i, reestablish_rnti_map[i][0], reestablish_rnti_map[i][1]);
break;
}
}
if (!ue_context_p) {
LOG_E(NR_RRC,
PROTOCOL_NR_RRC_CTXT_UE_FMT" NR_RRCConnectionReestablishmentComplete without UE context, falt\n",
PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP));
break;
}
#if(0)
/* TODO : It may be needed if gNB goes into full stack working. */
//clear
int UE_id = find_nr_UE_id(ctxt_pP->module_id, ctxt_pP->rntiMaybeUEid);
if(UE_id == -1) {
LOG_E(NR_RRC, PROTOCOL_RRC_CTXT_UE_FMT " NR_RRCConnectionReestablishmentComplete without UE_id(MAC) rnti %lx, fault\n", PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP), ctxt_pP->rntiMaybeUEid);
break;
}
RC.nrmac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 0;
case NR_UL_DCCH_MessageType__c1_PR_rrcReestablishmentComplete: {
LOG_DUMPMSG(NR_RRC, DEBUG_RRC, (char *)Rx_sdu, sdu_sizeP, "[MSG] NR_RRC Connection Reestablishment Complete\n");
LOG_I(NR_RRC,
PROTOCOL_RRC_CTXT_UE_FMT
" RLC RB %02d --- RLC_DATA_IND %d bytes "
"(rrcReestablishmentComplete) ---> RRC_gNB\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
DCCH,
sdu_sizeP);
rnti_t reestablish_rnti = 0;
// Select C-RNTI from map
for (i = 0; i < MAX_MOBILES_PER_GNB; i++) {
nr_reestablish_rnti_map_t *nr_reestablish_rnti_map = &(RC.nrrrc[ctxt_pP->module_id])->nr_reestablish_rnti_map[i];
LOG_I(NR_RRC, "nr_reestablish_rnti_map[%d] UEid %lx, RNTI %04x, ctxt_pP->rntiMaybeUEid: %lx\n", i, nr_reestablish_rnti_map->ue_id, nr_reestablish_rnti_map->c_rnti, ctxt_pP->rntiMaybeUEid);
if (nr_reestablish_rnti_map->ue_id == ctxt_pP->rntiMaybeUEid) {
LOG_I(NR_RRC, "Removing nr_reestablish_rnti_map[%d] UEid %lx, RNTI %04x\n", i, nr_reestablish_rnti_map->ue_id, nr_reestablish_rnti_map->c_rnti);
reestablish_rnti = nr_reestablish_rnti_map->c_rnti;
ue_context_p = rrc_gNB_get_ue_context(RC.nrrrc[ctxt_pP->module_id], reestablish_rnti);
break;
}
}
if (!ue_context_p) {
LOG_E(NR_RRC, PROTOCOL_NR_RRC_CTXT_UE_FMT " NR_RRCReestablishmentComplete without UE context, falt\n", PROTOCOL_NR_RRC_CTXT_UE_ARGS(ctxt_pP));
break;
}
#if (0)
/* TODO : It may be needed if gNB goes into full stack working. */
// clear
int UE_id = find_nr_UE_id(ctxt_pP->module_id, ctxt_pP->rntiMaybeUEid);
if (UE_id == -1) {
LOG_E(NR_RRC, PROTOCOL_RRC_CTXT_UE_FMT " NR_RRCReestablishmentComplete without UE_id(MAC) rnti %lx, fault\n", PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP), ctxt_pP->rntiMaybeUEid);
break;
}
RC.nrmac[ctxt_pP->module_id]->UE_info.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 0;
#endif
ue_context_p->ue_context.reestablishment_xid = -1;
if (ul_dcch_msg->message.choice.c1->choice.rrcReestablishmentComplete->criticalExtensions.present ==
NR_RRCReestablishmentComplete__criticalExtensions_PR_rrcReestablishmentComplete) {
rrc_gNB_process_RRCConnectionReestablishmentComplete(ctxt_pP, reestablish_rnti, ue_context_p,
ul_dcch_msg->message.choice.c1->choice.rrcReestablishmentComplete->rrc_TransactionIdentifier);
if (ul_dcch_msg->message.choice.c1->choice.rrcReestablishmentComplete->criticalExtensions.present == NR_RRCReestablishmentComplete__criticalExtensions_PR_rrcReestablishmentComplete) {
rrc_gNB_process_RRCReestablishmentComplete(ctxt_pP, reestablish_rnti, ue_context_p, ul_dcch_msg->message.choice.c1->choice.rrcReestablishmentComplete->rrc_TransactionIdentifier);
}
gNB_MAC_INST *nrmac = RC.nrmac[ctxt_pP->module_id]; // WHAT A BEAUTIFULL RACE CONDITION !!!
mac_remove_nr_ue(nrmac, reestablish_rnti);
}
// ue_context_p->ue_context.ue_release_timer = 0;
ue_context_p->ue_context.ue_reestablishment_timer = 1;
// remove UE after 100 frames after NR_RRCReestablishmentRelease is triggered
ue_context_p->ue_context.ue_reestablishment_timer_thres = 1000;
} break;
//ue_context_p->ue_context.ue_release_timer = 0;
ue_context_p->ue_context.ue_reestablishment_timer = 1;
// remove UE after 100 frames after LTE_RRCConnectionReestablishmentRelease is triggered
ue_context_p->ue_context.ue_reestablishment_timer_thres = 1000;
}
break;
default:
break;
}
......@@ -4152,13 +4252,8 @@ rrc_gNB_generate_RRCRelease(
)
//-----------------------------------------------------------------------------
{
uint8_t buffer[RRC_BUF_SIZE];
uint16_t size = 0;
memset(buffer, 0, sizeof(buffer));
size = do_NR_RRCRelease(buffer, sizeof(buffer),
rrc_gNB_get_next_transaction_identifier(ctxt_pP->module_id));
uint8_t buffer[RRC_BUF_SIZE] = {0};
int size = do_NR_RRCRelease(buffer, RRC_BUF_SIZE, rrc_gNB_get_next_transaction_identifier(ctxt_pP->module_id));
ue_context_pP->ue_context.ue_reestablishment_timer = 0;
ue_context_pP->ue_context.ue_release_timer = 0;
ue_context_pP->ue_context.ul_failure_timer = 0;
......
openair2/RRC/NR/rrc_gNB_UE_context.c
View file @ 263436d8
......@@ -189,7 +189,7 @@ rrc_gNB_ue_context_5g_s_tmsi_exist(
{
struct rrc_gNB_ue_context_s *ue_context_p = NULL;
RB_FOREACH(ue_context_p, rrc_nr_ue_tree_s, &rrc_instance_pP->rrc_ue_head) {
LOG_I(NR_RRC,"checking for UE 5G S-TMSI %ld: rnti %d \n",
LOG_I(NR_RRC,"Checking for UE 5G S-TMSI %ld: RNTI %04x\n",
s_TMSI, ue_context_p->ue_context.rnti);
if (ue_context_p->ue_context.ng_5G_S_TMSI_Part1 == s_TMSI) {
......
openair2/RRC/NR/rrc_gNB_nsa.c
View file @ 263436d8
......@@ -386,6 +386,7 @@ void rrc_add_nsa_user(gNB_RRC_INST *rrc,struct rrc_gNB_ue_context_s *ue_context_
nr_pdcp_add_drbs(ctxt.enb_flag,
ctxt.rntiMaybeUEid,
0,
ue_context_p->ue_context.rb_config->drb_ToAddModList,
(ue_context_p->ue_context.integrity_algorithm << 4) | ue_context_p->ue_context.ciphering_algorithm,
kUPenc,
......
openair2/RRC/NR_UE/rrc_UE.c
View file @ 263436d8
......@@ -2062,6 +2062,7 @@ nr_rrc_ue_establish_srb2(
// Refresh DRBs
nr_pdcp_add_drbs(ctxt_pP->enb_flag,
ctxt_pP->rntiMaybeUEid,
0,
radioBearerConfig->drb_ToAddModList,
NR_UE_rrc_inst[ctxt_pP->module_id].cipheringAlgorithm | (NR_UE_rrc_inst[ctxt_pP->module_id].integrityProtAlgorithm << 4),
kUPenc,
......@@ -2596,12 +2597,11 @@ nr_rrc_ue_generate_rrcReestablishmentComplete(
)
//-----------------------------------------------------------------------------
{
uint32_t length;
uint8_t buffer[100];
length = do_RRCReestablishmentComplete(buffer, sizeof(buffer),
uint8_t buffer[RRC_BUFFER_SIZE] = {0};
int size = do_RRCReestablishmentComplete(buffer, RRC_BUFFER_SIZE,
rrcReestablishment->rrc_TransactionIdentifier);
LOG_I(NR_RRC,"[UE %d][RAPROC] Frame %d : Logical Channel UL-DCCH (SRB1), Generating RRCReestablishmentComplete (bytes%d, gNB %d)\n",
ctxt_pP->module_id,ctxt_pP->frame, length, gNB_index);
ctxt_pP->module_id,ctxt_pP->frame, size, gNB_index);
}
void *recv_msgs_from_lte_ue(void *args_p)
......
openair3/ocp-gtpu/gtp_itf.cpp
View file @ 263436d8
......@@ -761,13 +761,32 @@ int gtpv1u_create_ngu_tunnel( const instance_t instance,
return !GTPNOK;
}
int gtpv1u_update_ngu_tunnel(
const instance_t instanceP,
const gtpv1u_gnb_create_tunnel_req_t *const create_tunnel_req_pP,
const ue_id_t prior_ueid
) {
AssertFatal( false, "to be developped\n");
return GTPNOK;
int gtpv1u_update_ngu_tunnel(const instance_t instanceP, const gtpv1u_gnb_create_tunnel_req_t *const create_tunnel_req_pP, const ue_id_t prior_ue_id)
{
LOG_D(GTPU, "[%ld] Update tunnels from UEid %lx to UEid %lx\n", instanceP, prior_ue_id, create_tunnel_req_pP->ue_id);
pthread_mutex_lock(&globGtp.gtp_lock);
auto inst = &globGtp.instances[compatInst(instanceP)];
auto it = inst->ue2te_mapping.find(prior_ue_id);
if (it == inst->ue2te_mapping.end()) {
LOG_W(GTPU, "[%ld] Delete GTP tunnels for UEid: %lx, but no tunnel exits\n", instanceP, prior_ue_id);
pthread_mutex_unlock(&globGtp.gtp_lock);
return GTPNOK;
}
for (int i = 0; i < create_tunnel_req_pP->num_tunnels; i++) {
teid_t incoming_teid = inst->ue2te_mapping[prior_ue_id].bearers[create_tunnel_req_pP->pdusession_id[i]].teid_incoming;
if (globGtp.te2ue_mapping[incoming_teid].ue_id == prior_ue_id) {
globGtp.te2ue_mapping[incoming_teid].ue_id = create_tunnel_req_pP->ue_id;
}
}
inst->ue2te_mapping[create_tunnel_req_pP->ue_id] = it->second;
inst->ue2te_mapping.erase(it);
pthread_mutex_unlock(&globGtp.gtp_lock);
return !GTPNOK;
}
int gtpv1u_create_x2u_tunnel(
......
targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.conf
View file @ 263436d8
......@@ -11,7 +11,7 @@ gNBs =
// Tracking area code, 0x0000 and 0xfffe are reserved values
tracking_area_code = 1;
plmn_list = ({ mcc = 001; mnc = 01; mnc_length = 2; snssaiList = ({ sst = 1; sd = 0x1; }) });
plmn_list = ({ mcc = 001; mnc = 01; mnc_length = 2; snssaiList = ({ sst = 1; }) });
nr_cellid = 12345678L;
......
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