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Implementation of NR_RRCReestablishment procedures at gNB

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This commit is contained in:
luis_pereira87
2023-02-24 07:50:56 +00:00
parent 646cec27d0
commit 263436d866
21 changed files with 711 additions and 564 deletions
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doc/FEATURE_SET.md
+1
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@@ -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
+5
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@@ -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
+5
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@@ -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
+5
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@@ -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
+3 -2
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@@ -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
+1 -3
View File
@@ -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
+1 -1
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@@ -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
+1 -1
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@@ -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
+15 -5
View File
@@ -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
+136 -131
View File
@@ -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];
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);
}
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;
*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 (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];
}
// 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 (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 (*SRB_configList) {
free(*SRB_configList);
}
*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);
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;
}
}
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));
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);
}
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);
if (*SRB_configList) {
free(*SRB_configList);
}
// 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;
}
*SRB_configList = CALLOC(1, sizeof(LTE_SRB_ToAddModList_t));
asn1cSeqAdd(&(*SRB_configList)->list,SRB1_config);
ue_context_pP->ue_context.kgnb_ncc = 0;
rrcReestablishment->criticalExtensions.choice.rrcReestablishment->lateNonCriticalExtension = NULL;
rrcReestablishment->criticalExtensions.choice.rrcReestablishment->nonCriticalExtension = NULL;
rrcReestablishment->rrc_TransactionIdentifier = Transaction_id;
rrcReestablishment->criticalExtensions.present = NR_RRCReestablishment__criticalExtensions_PR_rrcReestablishment;
rrcReestablishment->criticalExtensions.choice.rrcReestablishment = CALLOC(1,sizeof(NR_RRCReestablishment_IEs_t));
if (LOG_DEBUGFLAG(DEBUG_ASN1)) {
xer_fprint(stdout, &asn_DEF_NR_DL_DCCH_Message, (void *)&dl_dcch_msg);
}
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;
}
// 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;
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);
}
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);
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
+12 -17
View File
@@ -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
);
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);
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);
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
+1 -1
View File
@@ -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
+11 -1
View File
@@ -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
-4
View File
@@ -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
+1
View File
@@ -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
+480 -385
View File
File diff suppressed because it is too large Load Diff
openair2/RRC/NR/rrc_gNB_UE_context.c
+1 -1
View File
@@ -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
+1
View File
@@ -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
+4 -4
View File
@@ -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
+26 -7
View File
@@ -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
+1 -1
View File
@@ -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;