diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index 57d630d4c46d5c2fb79f6862d764295ec22624ac..e58b19b2baaa3b07f1570fc4954a7d2d8dab6b92 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -1937,6 +1937,7 @@ add_executable(oaisim_nos1
${OPENAIR_BIN_DIR}/messages_xml.h
${OPENAIR_TARGETS}/RT/USER/lte-ue.c
${OPENAIR_TARGETS}/RT/USER/lte-ru.c
+ ${OPENAIR_TARGETS}/RT/USER/lte-enb.c
${OPENAIR_TARGETS}/RT/USER/rt_wrapper.c
${OPENAIR_TARGETS}/SIMU/USER/channel_sim.c
${OPENAIR_TARGETS}/SIMU/USER/init_lte.c
diff --git a/openair2/LAYER2/MAC/defs.h b/openair2/LAYER2/MAC/defs.h
index 6dba45653cd4082c2386200766085a882b24a2ac..9e79cb64201873252f7d69c0b0b19aa8e31dbe46 100644
--- a/openair2/LAYER2/MAC/defs.h
+++ b/openair2/LAYER2/MAC/defs.h
@@ -835,6 +835,8 @@ typedef struct {
int32_t cqi_req_timer;
int32_t ul_inactivity_timer;
int32_t ul_failure_timer;
+ uint32_t ue_reestablishment_reject_timer;
+ uint32_t ue_reestablishment_reject_timer_thres;
int32_t ul_scheduled;
int32_t ra_pdcch_order_sent;
int32_t ul_out_of_sync;
diff --git a/openair2/LAYER2/MAC/eNB_scheduler.c b/openair2/LAYER2/MAC/eNB_scheduler.c
index 3acc4cd8962ce8fb39edb708a12e9c8d5ca4fd33..8d201320ea1d689bc994137587234157f65954f7 100644
--- a/openair2/LAYER2/MAC/eNB_scheduler.c
+++ b/openair2/LAYER2/MAC/eNB_scheduler.c
@@ -163,7 +163,7 @@ schedule_SRS(module_id_t module_idP, frame_t frameP, sub_frame_t subframeP)
(nfapi_ul_config_srs_pdu));
ul_config_pdu->srs_pdu.srs_pdu_rel8.size =
(uint8_t)
- sizeof(nfapi_ul_config_srs_pdu);;
+ sizeof(nfapi_ul_config_srs_pdu);
ul_config_pdu->srs_pdu.srs_pdu_rel8.rnti =
UE_list->UE_template[CC_id][UE_id].
rnti;
@@ -707,6 +707,50 @@ eNB_dlsch_ulsch_scheduler(module_id_t module_idP, frame_t frameP,
ul_inactivity_timer,
RC.mac[module_idP]->UE_list.UE_sched_ctrl[i].cqi_req_timer);
check_ul_failure(module_idP, CC_id, i, frameP, subframeP);
+
+ if (RC.mac[module_idP]->UE_list.UE_sched_ctrl[i].ue_reestablishment_reject_timer > 0) {
+ RC.mac[module_idP]->UE_list.UE_sched_ctrl[i].ue_reestablishment_reject_timer++;
+ if(RC.mac[module_idP]->UE_list.UE_sched_ctrl[i].ue_reestablishment_reject_timer >=
+ RC.mac[module_idP]->UE_list.UE_sched_ctrl[i].ue_reestablishment_reject_timer_thres) {
+ RC.mac[module_idP]->UE_list.UE_sched_ctrl[i].ue_reestablishment_reject_timer = 0;
+ for (int ue_id_l = 0; ue_id_l < NUMBER_OF_UE_MAX; ue_id_l++) {
+ if (reestablish_rnti_map[ue_id_l][0] == rnti) {
+ // clear currentC-RNTI from map
+ reestablish_rnti_map[ue_id_l][0] = 0;
+ reestablish_rnti_map[ue_id_l][1] = 0;
+ break;
+ }
+ }
+
+ for (int ii=0; ii<NUMBER_OF_UE_MAX; ii++) {
+ LTE_eNB_ULSCH_t *ulsch = NULL;
+ ulsch = RC.eNB[module_idP][CC_id]->ulsch[ii];
+ if((ulsch != NULL) && (ulsch->rnti == rnti)){
+ LOG_I(MAC, "clean_eNb_ulsch UE %x \n", rnti);
+ clean_eNb_ulsch(ulsch);
+ break;
+ }
+ }
+
+ for(int j = 0; j < 10; j++){
+ nfapi_ul_config_request_body_t *ul_req_tmp = NULL;
+ ul_req_tmp = &RC.mac[module_idP]->UL_req_tmp[CC_id][j].ul_config_request_body;
+ if(ul_req_tmp){
+ int pdu_number = ul_req_tmp->number_of_pdus;
+ for(int pdu_index = pdu_number-1; pdu_index >= 0; pdu_index--){
+ if(ul_req_tmp->ul_config_pdu_list[pdu_index].ulsch_pdu.ulsch_pdu_rel8.rnti == rnti){
+ LOG_I(MAC, "remove UE %x from ul_config_pdu_list %d/%d\n", rnti, pdu_index, pdu_number);
+ if(pdu_index < pdu_number -1){
+ memcpy(&ul_req_tmp->ul_config_pdu_list[pdu_index], &ul_req_tmp->ul_config_pdu_list[pdu_index+1], (pdu_number-1-pdu_index) * sizeof(nfapi_ul_config_request_pdu_t));
+ }
+ ul_req_tmp->number_of_pdus--;
+ }
+ }
+ }
+ }
+ rrc_mac_remove_ue(module_idP,rnti);
+ }
+ }
}
diff --git a/openair2/LAYER2/MAC/eNB_scheduler_primitives.c b/openair2/LAYER2/MAC/eNB_scheduler_primitives.c
index af4721858a28175be5e665b92c2250bc67cb963d..293c783285108f724f5a37cdc860365e7f4ac002 100644
--- a/openair2/LAYER2/MAC/eNB_scheduler_primitives.c
+++ b/openair2/LAYER2/MAC/eNB_scheduler_primitives.c
@@ -2075,6 +2075,7 @@ int add_new_ue(module_id_t mod_idP, int cc_idP, rnti_t rntiP, int harq_pidP
sizeof(UE_sched_ctrl));
memset((void *) &UE_list->eNB_UE_stats[cc_idP][UE_id], 0,
sizeof(eNB_UE_STATS));
+ UE_list->UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 0;
UE_list->UE_sched_ctrl[UE_id].ta_update = 31;
diff --git a/openair2/RRC/LITE/rrc_eNB.c b/openair2/RRC/LITE/rrc_eNB.c
index ecc9291ee86d61d224aac5e7e23608f70a0ab69e..1a31d3d700c8c697e8080ce551a02fac8175e9ab 100644
--- a/openair2/RRC/LITE/rrc_eNB.c
+++ b/openair2/RRC/LITE/rrc_eNB.c
@@ -1196,7 +1196,7 @@ rrc_eNB_generate_RRCConnectionReestablishment(
ue_context_pP->ue_context.ue_reestablishment_timer_thres = 1000;
#else
// activate release timer, if RRCComplete not received after 10 frames, remove UE
- ue_context_pP->ue_context.ue_release_timer = 1;
+ //ue_context_pP->ue_context.ue_release_timer = 1;
// remove UE after 10 frames after RRCConnectionReestablishmentRelease is triggered
ue_context_pP->ue_context.ue_release_timer_thres = 100;
#endif
@@ -1781,6 +1781,38 @@ rrc_eNB_process_RRCConnectionReestablishmentComplete(
// delete UE data of prior RNTI. UE use current RNTI.
protocol_ctxt_t ctxt_prior = *ctxt_pP;
ctxt_prior.rnti = reestablish_rnti;
+
+ LTE_eNB_ULSCH_t *ulsch = NULL;
+ nfapi_ul_config_request_body_t *ul_req_tmp = NULL;
+ PHY_VARS_eNB *eNB_PHY = NULL;
+ eNB_MAC_INST *eNB_MAC = RC.mac[ctxt_prior.module_id];
+ for (int CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
+ eNB_PHY = RC.eNB[ctxt_prior.module_id][CC_id];
+ for (int i=0; i<NUMBER_OF_UE_MAX; i++) {
+ ulsch = eNB_PHY->ulsch[i];
+ if((ulsch != NULL) && (ulsch->rnti == ctxt_prior.rnti)){
+ LOG_I(RRC, "clean_eNb_ulsch UE %x \n", ctxt_prior.rnti);
+ clean_eNb_ulsch(ulsch);
+ break;
+ }
+ }
+
+ for(int j = 0; j < 10; j++){
+ ul_req_tmp = &eNB_MAC->UL_req_tmp[CC_id][j].ul_config_request_body;
+ if(ul_req_tmp){
+ int pdu_number = ul_req_tmp->number_of_pdus;
+ for(int pdu_index = pdu_number-1; pdu_index >= 0; pdu_index--){
+ if(ul_req_tmp->ul_config_pdu_list[pdu_index].ulsch_pdu.ulsch_pdu_rel8.rnti == ctxt_prior.rnti){
+ LOG_I(RRC, "remove UE %x from ul_config_pdu_list %d/%d\n", ctxt_prior.rnti, pdu_index, pdu_number);
+ if(pdu_index < pdu_number -1){
+ memcpy(&ul_req_tmp->ul_config_pdu_list[pdu_index], &ul_req_tmp->ul_config_pdu_list[pdu_index+1], (pdu_number-1-pdu_index) * sizeof(nfapi_ul_config_request_pdu_t));
+ }
+ ul_req_tmp->number_of_pdus--;
+ }
+ }
+ }
+ }
+ }
rrc_mac_remove_ue(ctxt_prior.module_id, ctxt_prior.rnti);
rrc_rlc_remove_ue(&ctxt_prior);
pdcp_remove_UE(&ctxt_prior);
@@ -1798,6 +1830,9 @@ rrc_eNB_generate_RRCConnectionReestablishmentReject(
#ifdef RRC_MSG_PRINT
int cnt;
#endif
+ int UE_id = find_UE_id(ctxt_pP->module_id, ctxt_pP->rnti);
+ RC.mac[ctxt_pP->module_id]->UE_list.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 1;
+ RC.mac[ctxt_pP->module_id]->UE_list.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer_thres = 20;
T(T_ENB_RRC_CONNECTION_REESTABLISHMENT_REJECT, T_INT(ctxt_pP->module_id), T_INT(ctxt_pP->frame),
T_INT(ctxt_pP->subframe), T_INT(ctxt_pP->rnti));
@@ -1859,7 +1894,7 @@ rrc_eNB_generate_RRCConnectionRelease(
ue_context_pP->ue_context.ue_release_timer_s1 = 0;
#else
// set release timer
- ue_context_pP->ue_context.ue_release_timer=1;
+ //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=100;
#endif
@@ -4704,6 +4739,7 @@ rrc_eNB_process_RRCConnectionReconfigurationComplete(
uint8_t *kRRCenc = NULL;
uint8_t *kRRCint = NULL;
uint8_t *kUPenc = NULL;
+ ue_context_pP->ue_context.ue_reestablishment_timer = 0;
DRB_ToAddModList_t* DRB_configList = ue_context_pP->ue_context.DRB_configList2[xid];
SRB_ToAddModList_t* SRB_configList = ue_context_pP->ue_context.SRB_configList2[xid];
@@ -5106,7 +5142,7 @@ rrc_eNB_generate_RRCConnectionSetup(
ue_context_pP->ue_context.ue_release_timer_thres=1000;
#else
// activate release timer, if RRCSetupComplete not received after 10 frames, remove UE
- ue_context_pP->ue_context.ue_release_timer=1;
+ //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=100;
#endif
@@ -5453,11 +5489,27 @@ rrc_eNB_decode_ccch(
rrc_eNB_generate_RRCConnectionReestablishmentReject(ctxt_pP, ue_context_p, CC_id);
break;
}
-
+ int UE_id = find_UE_id(ctxt_pP->module_id, c_rnti);
+ if(ue_context_p->ue_context.ue_reestablishment_timer > 0 || RC.mac[ctxt_pP->module_id]->UE_list.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer > 0){
+ LOG_I(RRC,
+ PROTOCOL_RRC_CTXT_UE_FMT" RRCConnectionReestablishment(Previous) don't complete, let's reject the UE\n",
+ PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
+ rrc_eNB_generate_RRCConnectionReestablishmentReject(ctxt_pP, ue_context_p, CC_id);
+ break;
+ }
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" UE context: %p\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
ue_context_p);
+ 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;
+
+ /* reset timers */
+ ue_context_p->ue_context.ul_failure_timer = 0;
+ ue_context_p->ue_context.ue_release_timer = 0;
/* reset timers */
ue_context_p->ue_context.ul_failure_timer = 0;
@@ -6048,6 +6100,13 @@ if (ue_context_p->ue_context.nb_of_modify_e_rabs > 0) {
ue_context_p);
} else {
ue_context_p->ue_context.reestablishment_cause = ReestablishmentCause_spare1;
+ for (uint8_t e_rab = 0; e_rab < ue_context_p->ue_context.nb_of_e_rabs; e_rab++) {
+ if (ue_context_p->ue_context.e_rab[e_rab].status == E_RAB_STATUS_DONE) {
+ ue_context_p->ue_context.e_rab[e_rab].status = E_RAB_STATUS_ESTABLISHED;
+ } else {
+ ue_context_p->ue_context.e_rab[e_rab].status = E_RAB_STATUS_FAILED;
+ }
+ }
}
}
}
@@ -6092,6 +6151,8 @@ if (ue_context_p->ue_context.nb_of_modify_e_rabs > 0) {
DCCH,
sdu_sizeP);
{
+ int UE_id = find_UE_id(ctxt_pP->module_id, ctxt_pP->rnti);
+ RC.mac[ctxt_pP->module_id]->UE_list.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 0;
rnti_t reestablish_rnti = 0;
// select C-RNTI from map
for (i = 0; i < NUMBER_OF_UE_MAX; i++) {
diff --git a/openair2/RRC/LITE/rrc_eNB_UE_context.c b/openair2/RRC/LITE/rrc_eNB_UE_context.c
index 28eace8f5aae76a21f3829363b4a8858c5e9d956..0ae3d7ca151fbed5b997f51ac09b5bde03f1e0c6 100644
--- a/openair2/RRC/LITE/rrc_eNB_UE_context.c
+++ b/openair2/RRC/LITE/rrc_eNB_UE_context.c
@@ -155,7 +155,21 @@ rrc_eNB_get_ue_context(
memset(&temp, 0, sizeof(struct rrc_eNB_ue_context_s));
/* eNB ue rrc id = 24 bits wide */
temp.ue_id_rnti = rntiP;
+#if 0
return RB_FIND(rrc_ue_tree_s, &rrc_instance_pP->rrc_ue_head, &temp);
+#endif
+ struct rrc_eNB_ue_context_s *ue_context_p = NULL;
+ ue_context_p = RB_FIND(rrc_ue_tree_s, &rrc_instance_pP->rrc_ue_head, &temp);
+ if ( ue_context_p != NULL) {
+ return ue_context_p;
+ } else {
+ RB_FOREACH(ue_context_p, rrc_ue_tree_s, &(rrc_instance_pP->rrc_ue_head)) {
+ if (ue_context_p->ue_context.rnti == rntiP) {
+ return ue_context_p;
+ }
+ }
+ return NULL;
+ }
}
diff --git a/openair3/GTPV1-U/gtpv1u_eNB.c b/openair3/GTPV1-U/gtpv1u_eNB.c
index d152840dd49b9aa1e46708adf3f44c43189d2325..7c87cbc073d302a369955c06eec270b9d1873898 100644
--- a/openair3/GTPV1-U/gtpv1u_eNB.c
+++ b/openair3/GTPV1-U/gtpv1u_eNB.c
@@ -814,40 +814,81 @@ int gtpv1u_update_s1u_tunnel(
const rnti_t prior_rnti
)
{
+
/* Local tunnel end-point identifier */
teid_t s1u_teid = 0;
gtpv1u_teid_data_t *gtpv1u_teid_data_p = NULL;
gtpv1u_ue_data_t *gtpv1u_ue_data_p = NULL;
+ gtpv1u_ue_data_t *gtpv1u_ue_data_new_p = NULL;
//MessageDef *message_p = NULL;
hashtable_rc_t hash_rc = HASH_TABLE_KEY_NOT_EXISTS;
- int i;
- ebi_t eps_bearer_id = 0;
+ int i,j;
+ uint8_t bearers_num = 0,bearers_total = 0;
//-----------------------
// PDCP->GTPV1U mapping
//-----------------------
hash_rc = hashtable_get(RC.gtpv1u_data_g->ue_mapping, prior_rnti, (void **)>pv1u_ue_data_p);
- AssertFatal(hash_rc == HASH_TABLE_OK, "Error get ue_mapping(rnti=%x) from GTPV1U hashtable error\n", prior_rnti);
+ if(hash_rc != HASH_TABLE_OK){
+ LOG_E(GTPU,"Error get ue_mapping(rnti=%x) from GTPV1U hashtable error\n", prior_rnti);
+ return -1;
+ }
- gtpv1u_ue_data_p->ue_id = create_tunnel_req_pP->rnti;
- hash_rc = hashtable_insert(RC.gtpv1u_data_g->ue_mapping, create_tunnel_req_pP->rnti, gtpv1u_ue_data_p);
+ gtpv1u_ue_data_new_p = calloc (1, sizeof(gtpv1u_ue_data_t));
+ memcpy(gtpv1u_ue_data_new_p,gtpv1u_ue_data_p,sizeof(gtpv1u_ue_data_t));
+ gtpv1u_ue_data_new_p->ue_id = create_tunnel_req_pP->rnti;
+
+ hash_rc = hashtable_insert(RC.gtpv1u_data_g->ue_mapping, create_tunnel_req_pP->rnti, gtpv1u_ue_data_new_p);
AssertFatal(hash_rc == HASH_TABLE_OK, "Error inserting ue_mapping in GTPV1U hashtable");
LOG_I(GTPU, "inserting ue_mapping(rnti=%x) in GTPV1U hashtable\n",
create_tunnel_req_pP->rnti);
+ hash_rc = hashtable_remove(RC.gtpv1u_data_g->ue_mapping, prior_rnti);
+ LOG_I(GTPU, "hashtable_remove ue_mapping(rnti=%x) in GTPV1U hashtable\n",
+ prior_rnti);
//-----------------------
// GTPV1U->PDCP mapping
//-----------------------
- for (i = 0; i < create_tunnel_req_pP->num_tunnels; i++) {
- eps_bearer_id = create_tunnel_req_pP->eps_bearer_id[i];
- s1u_teid = gtpv1u_ue_data_p->bearers[eps_bearer_id - GTPV1U_BEARER_OFFSET].teid_eNB;
- hash_rc = hashtable_get(RC.gtpv1u_data_g->teid_mapping, s1u_teid, (void**)>pv1u_teid_data_p);
- AssertFatal(hash_rc == HASH_TABLE_OK, "Error get teid mapping(s1u_teid=%u) from GTPV1U hashtable", s1u_teid);
+ bearers_total =gtpv1u_ue_data_new_p->num_bearers;
+ for(j = 0;j<GTPV1U_MAX_BEARERS_ID;j++){
- gtpv1u_teid_data_p->ue_id = create_tunnel_req_pP->rnti;
- gtpv1u_teid_data_p->eps_bearer_id = eps_bearer_id;
+ if(gtpv1u_ue_data_new_p->bearers[j].state != BEARER_IN_CONFIG)
+ continue;
+
+ bearers_num++;
+ for (i = 0; i < create_tunnel_req_pP->num_tunnels; i++) {
+ if(j == (create_tunnel_req_pP->eps_bearer_id[i]-GTPV1U_BEARER_OFFSET))
+ break;
+ }
+ if(i < create_tunnel_req_pP->num_tunnels){
+ s1u_teid = gtpv1u_ue_data_new_p->bearers[j].teid_eNB;
+ hash_rc = hashtable_get(RC.gtpv1u_data_g->teid_mapping, s1u_teid, (void**)>pv1u_teid_data_p);
+ if (hash_rc == HASH_TABLE_OK) {
+ gtpv1u_teid_data_p->ue_id = create_tunnel_req_pP->rnti;
+ gtpv1u_teid_data_p->eps_bearer_id = create_tunnel_req_pP->eps_bearer_id[i];
+
+ LOG_I(GTPU, "updata teid_mapping te_id %u (prior_rnti %x rnti %x) in GTPV1U hashtable\n",
+ s1u_teid,prior_rnti,create_tunnel_req_pP->rnti);
+ }else{
+ LOG_W(GTPU, "Error get teid mapping(s1u_teid=%u) from GTPV1U hashtable", s1u_teid);
+ }
+ }else{
+ s1u_teid = gtpv1u_ue_data_new_p->bearers[j].teid_eNB;
+ hash_rc = hashtable_remove(RC.gtpv1u_data_g->teid_mapping, s1u_teid);
+
+ if (hash_rc != HASH_TABLE_OK) {
+ LOG_D(GTPU, "Removed user rnti %x , enb S1U teid %u not found\n", prior_rnti, s1u_teid);
+ }
+ gtpv1u_ue_data_new_p->bearers[j].state = BEARER_DOWN;
+ gtpv1u_ue_data_new_p->num_bearers--;
+ LOG_I(GTPU, "delete teid_mapping te_id %u (rnti%x) bearer_id %d in GTPV1U hashtable\n",
+ s1u_teid,prior_rnti,j+GTPV1U_BEARER_OFFSET);;
+ }
+ if(bearers_num > bearers_total)
+ break;
}
return 0;
+
}
//-----------------------------------------------------------------------------