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Commit cb14cd7b authored by Xu Bo's avatar Xu Bo
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fix RRCConnectionReestablishment issue

parent 89ea5ed9
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Showing with 113 additions and 37 deletions
openair1/SCHED/phy_procedures_lte_eNb.c
View file @ cb14cd7b
......@@ -834,10 +834,10 @@ void uci_procedures(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc)
if (uci->type == SR) {
if (SR_payload == 1) {
fill_sr_indication(eNB,uci->rnti,frame,subframe,metric_SR);
continue;
break;
}
else {
continue;
break;
}
}
case HARQ:
......
openair2/LAYER2/MAC/eNB_scheduler.c
View file @ cb14cd7b
......@@ -713,15 +713,21 @@ eNB_dlsch_ulsch_scheduler(module_id_t module_idP, frame_t frameP,
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;
}
}
//clear reestablish_rnti_map
if(RC.mac[module_idP]->UE_list.UE_sched_ctrl[i].ue_reestablishment_reject_timer_thres >20){
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;
}
}
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, module_idP, ENB_FLAG_YES, rnti, 0, 0,module_idP);
rrc_rlc_remove_ue(&ctxt);
pdcp_remove_UE(&ctxt);
}
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];
......@@ -801,7 +807,7 @@ eNB_dlsch_ulsch_scheduler(module_id_t module_idP, frame_t frameP,
// Allocate CCEs for good after scheduling is done
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++)
allocate_CCEs(module_idP, CC_id, subframeP, 0);
allocate_CCEs(module_idP, CC_id, frameP, subframeP, 2);
stop_meas(&RC.mac[module_idP]->eNB_scheduler);
......
openair2/LAYER2/MAC/eNB_scheduler_primitives.c
View file @ cb14cd7b
......@@ -3085,7 +3085,7 @@ get_nCCE_max(COMMON_channels_t * cc, int num_pdcch_symbols, int subframe)
// Allocate the CCEs
int
allocate_CCEs(int module_idP, int CC_idP, int subframeP, int test_onlyP)
allocate_CCEs(int module_idP, int CC_idP, frame_t frameP, sub_frame_t subframeP, int test_onlyP)
{
int *CCE_table = RC.mac[module_idP]->CCE_table[CC_idP];
nfapi_dl_config_request_body_t *DL_req =
......@@ -3103,6 +3103,11 @@ allocate_CCEs(int module_idP, int CC_idP, int subframeP, int test_onlyP)
int i, j, idci;
int nCCE = 0;
eNB_MAC_INST *eNB = RC.mac[module_idP];
COMMON_channels_t *cc = &eNB->common_channels[CC_idP];
int ackNAK_absSF = get_pucch1_absSF(cc, (frameP*10+subframeP));
nfapi_ul_config_request_body_t *ul_req = &eNB->UL_req_tmp[CC_idP][ackNAK_absSF % 10].ul_config_request_body;
LOG_D(MAC,
"Allocate CCEs subframe %d, test %d : (DL PDU %d, DL DCI %d, UL %d)\n",
subframeP, test_onlyP, DL_req->number_pdu, DL_req->number_dci,
......@@ -3198,7 +3203,7 @@ allocate_CCEs(int module_idP, int CC_idP, int subframeP, int test_onlyP)
dl_config_pdu[i].dci_dl_pdu.dci_dl_pdu_rel8.
aggregation_level;
LOG_D(MAC, "Allocating at nCCE %d\n", fCCE);
if (test_onlyP == 0) {
if ((test_onlyP%2) == 0) {
dl_config_pdu[i].dci_dl_pdu.dci_dl_pdu_rel8.cce_idx = fCCE;
LOG_D(MAC,
"Allocate COMMON DCI CCEs subframe %d, test %d => L %d fCCE %d\n",
......@@ -3292,7 +3297,7 @@ allocate_CCEs(int module_idP, int CC_idP, int subframeP, int test_onlyP)
// the allocation is feasible, rnti rule passes
nCCE += hi_dci0_pdu[i].dci_pdu.dci_pdu_rel8.aggregation_level;
LOG_D(MAC, "Allocating at nCCE %d\n", fCCE);
if (test_onlyP == 0) {
if ((test_onlyP%2) == 0) {
hi_dci0_pdu[i].dci_pdu.dci_pdu_rel8.cce_index = fCCE;
LOG_D(MAC, "Allocate CCEs subframe %d, test %d\n",
subframeP, test_onlyP);
......@@ -3387,11 +3392,21 @@ allocate_CCEs(int module_idP, int CC_idP, int subframeP, int test_onlyP)
dl_config_pdu[i].dci_dl_pdu.dci_dl_pdu_rel8.
aggregation_level;
LOG_D(MAC, "Allocating at nCCE %d\n", fCCE);
if (test_onlyP == 0) {
if ((test_onlyP%2) == 0) {
dl_config_pdu[i].dci_dl_pdu.dci_dl_pdu_rel8.cce_idx = fCCE;
LOG_D(MAC, "Allocate CCEs subframe %d, test %d\n",
subframeP, test_onlyP);
}
if ((test_onlyP/2) == 1) {
for(int ack_int = 0;ack_int < ul_req->number_of_pdus; ack_int++){
if(((ul_req->ul_config_pdu_list[ack_int].pdu_type == NFAPI_UL_CONFIG_UCI_HARQ_PDU_TYPE) ||
(ul_req->ul_config_pdu_list[ack_int].pdu_type == NFAPI_UL_CONFIG_UCI_SR_HARQ_PDU_TYPE)) &&
(ul_req->ul_config_pdu_list[ack_int].uci_harq_pdu.ue_information.ue_information_rel8.rnti == dl_config_pdu[i].dci_dl_pdu.dci_dl_pdu_rel8.rnti)){
ul_req->ul_config_pdu_list[ack_int].uci_harq_pdu.harq_information.harq_information_rel9_fdd.n_pucch_1_0 =
cc->radioResourceConfigCommon->pucch_ConfigCommon.n1PUCCH_AN + fCCE;
}
}
}
idci++;
}
} // for i = 0 ... num_DL_DCIs
......@@ -3568,7 +3583,7 @@ CCE_allocation_infeasible(int module_idP,
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.
aggregation_level,
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti_type);
ret = allocate_CCEs(module_idP, CC_idP, subframe, 0);
ret = allocate_CCEs(module_idP, CC_idP, 0, subframe, 0);
if (ret == -1)
res = TRUE;
DL_req->number_pdu--;
......@@ -3585,7 +3600,7 @@ CCE_allocation_infeasible(int module_idP,
hi_dci0_pdu->dci_pdu.dci_pdu_rel8.aggregation_level =
aggregation;
HI_DCI0_req->number_of_dci++;
ret = allocate_CCEs(module_idP, CC_idP, subframe, 0);
ret = allocate_CCEs(module_idP, CC_idP, 0, subframe, 0);
if (ret == -1)
res = TRUE;
HI_DCI0_req->number_of_dci--;
......
openair2/LAYER2/MAC/proto.h
View file @ cb14cd7b
......@@ -414,7 +414,7 @@ int get_nCCE_offset(int *CCE_table,
const unsigned short rnti,
const unsigned char subframe);
int allocate_CCEs(int module_idP, int CC_idP, int subframe, int test_only);
int allocate_CCEs(int module_idP, int CC_idP, frame_t frameP, sub_frame_t subframeP, int test_only);
boolean_t CCE_allocation_infeasible(int module_idP,
int CC_idP,
......
openair2/RRC/LITE/defs.h
View file @ cb14cd7b
......@@ -458,6 +458,7 @@ typedef struct eNB_RRC_UE_s {
uint32_t ue_reestablishment_timer;
uint32_t ue_reestablishment_timer_thres;
uint8_t e_rab_release_command_flag;
int8_t reestablishment_xid;
} eNB_RRC_UE_t;
typedef uid_t ue_uid_t;
......
openair2/RRC/LITE/rrc_eNB.c
View file @ cb14cd7b
......@@ -1190,15 +1190,21 @@ rrc_eNB_generate_RRCConnectionReestablishment(
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),
RC.rrc[ctxt_pP->module_id]->carrier[CC_id].Srb0.Tx_buffer.payload_size);
// activate release timer, if RRCComplete not received after 10 frames, remove UE
//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;
// activate release timer, if RRCComplete not received after 100 frames, remove UE
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;
if(UE_id != -1){
// activate release timer, if RRCComplete not received after 100 frames, remove UE
RC.mac[ctxt_pP->module_id]->UE_list.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 1;
// remove UE after 100 frames after RRCConnectionReestablishmentRelease is triggered
RC.mac[ctxt_pP->module_id]->UE_list.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer_thres = 1000;
}else{
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" Generating RRCConnectionReestablishment without UE_id(MAC) rnti %x\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ctxt_pP->rnti);
}
// activate release timer, if RRCComplete not received after 100 frames, remove UE
ue_context_pP->ue_context.ue_reestablishment_timer = 1;
// remove UE after 100 frames after RRCConnectionReestablishmentRelease is triggered
RC.mac[ctxt_pP->module_id]->UE_list.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer_thres = 1000;
ue_context_pP->ue_context.ue_reestablishment_timer_thres = 1000;
}
//-----------------------------------------------------------------------------
......@@ -1252,6 +1258,7 @@ rrc_eNB_process_RRCConnectionReestablishmentComplete(
uint8_t next_xid = rrc_eNB_get_next_transaction_identifier(ctxt_pP->module_id);
ue_context_pP->ue_context.Status = RRC_CONNECTED;
ue_context_pP->ue_context.reestablishment_xid = next_xid;
SRB_configList2 = &ue_context_pP->ue_context.SRB_configList2[xid];
// get old configuration of SRB2
......@@ -1830,8 +1837,14 @@ rrc_eNB_generate_RRCConnectionReestablishmentReject(
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;
if(UE_id != -1){
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;
}else{
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" Generating RRCConnectionReestablishmentReject without UE_id(MAC) rnti %x\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ctxt_pP->rnti);
}
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));
......@@ -5484,26 +5497,57 @@ rrc_eNB_decode_ccch(
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));
if(UE_id == -1){
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RRCConnectionReestablishmentRequest without UE_id(MAC) rnti %x, let's reject the UE\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),c_rnti);
rrc_eNB_generate_RRCConnectionReestablishmentReject(ctxt_pP, ue_context_p, CC_id);
break;
}
if((RC.mac[ctxt_pP->module_id]->UE_list.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer > 0) &&
(RC.mac[ctxt_pP->module_id]->UE_list.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer_thres > 20)){
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RCConnectionReestablishmentComplete(Previous) don't receive, delete the Previous UE\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
RC.mac[ctxt_pP->module_id]->UE_list.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 1000;
ue_context_p->ue_context.ue_reestablishment_timer = 0;
}
if(ue_context_p->ue_context.ue_reestablishment_timer > 0){
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RRRCConnectionReconfigurationComplete(Previous) don't receive, delete the Previous UE\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
ue_context_p->ue_context.Status = RRC_RECONFIGURED;
protocol_ctxt_t ctxt_old_p;
PROTOCOL_CTXT_SET_BY_INSTANCE(&ctxt_old_p,
ctxt_pP->instance,
ENB_FLAG_YES,
c_rnti,
ctxt_pP->frame,
ctxt_pP->subframe);
rrc_eNB_process_RRCConnectionReconfigurationComplete(&ctxt_old_p,
ue_context_p,
ue_context_p->ue_context.reestablishment_xid);
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;
}
}
}
LOG_D(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" UE context: %p\n",
PROTOCOL_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;
/* 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.reestablishment_xid = -1;
// insert C-RNTI to map
for (i = 0; i < NUMBER_OF_UE_MAX; i++) {
......@@ -5679,6 +5723,7 @@ rrc_eNB_decode_ccch(
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;
} else {
LOG_I(RRC," S-TMSI doesn't exist, setting Initialue_identity_s_TMSI.m_tmsi to %p => %x\n",ue_context_p,m_tmsi);
// ue_context_p = rrc_eNB_get_next_free_ue_context(ctxt_pP, NOT_A_RANDOM_UE_IDENTITY);
......@@ -6009,6 +6054,7 @@ rrc_eNB_decode_dcch(
PROTOCOL_RRC_CTXT_UE_FMT" UE State = RRC_RECONFIGURED (default DRB, xid %ld)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.rrc_TransactionIdentifier);
}
ue_context_p->ue_context.reestablishment_xid = -1;
rrc_eNB_process_RRCConnectionReconfigurationComplete(
ctxt_pP,
ue_context_p,
......@@ -6124,8 +6170,6 @@ 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++) {
......@@ -6149,6 +6193,16 @@ if (ue_context_p->ue_context.nb_of_modify_e_rabs > 0) {
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP));
break;
}
//clear
int UE_id = find_UE_id(ctxt_pP->module_id, ctxt_pP->rnti);
if(UE_id == -1){
LOG_E(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" RRCConnectionReestablishmentComplete without UE_id(MAC) rnti %x, fault\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ctxt_pP->rnti);
break;
}
RC.mac[ctxt_pP->module_id]->UE_list.UE_sched_ctrl[UE_id].ue_reestablishment_reject_timer = 0;
ue_context_p->ue_context.ue_reestablishment_timer = 0;
if (ul_dcch_msg->message.choice.c1.choice.rrcConnectionReestablishmentComplete.criticalExtensions.present ==
RRCConnectionReestablishmentComplete__criticalExtensions_PR_rrcConnectionReestablishmentComplete_r8) {
......
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