diff --git a/openair2/LAYER2/MAC/defs.h b/openair2/LAYER2/MAC/defs.h
index 2af8cb622dd6891f77666acf2dd96149295380cb..f6c598976ef26e305e0af50402dca8023fc61d42 100644
--- a/openair2/LAYER2/MAC/defs.h
+++ b/openair2/LAYER2/MAC/defs.h
@@ -408,7 +408,9 @@ typedef enum {
MSG2,
WAITMSG3,
MSG4,
- WAITMSG4ACK
+ WAITMSG4ACK,
+ MSGCRNTI,
+ MSGCRNTI_ACK
} RA_state;
/*!\brief UE ULSCH scheduling states*/
@@ -868,7 +870,8 @@ typedef struct {
uint8_t aperiodic_wideband_cqi1[NFAPI_CC_MAX];
uint8_t aperiodic_wideband_pmi1[NFAPI_CC_MAX];
uint8_t dl_cqi[NFAPI_CC_MAX];
- int32_t uplane_inactivity_timer;
+ int32_t uplane_inactivity_timer;
+ uint8_t crnti_reconfigurationcomplete_flag;
} UE_sched_ctrl;
/*! \brief eNB template for the Random access information */
typedef struct {
@@ -927,6 +930,8 @@ typedef struct {
uint8_t msg2_narrowband;
uint8_t msg34_narrowband;
#endif
+ int32_t crnti_rrc_mui;
+ int8_t crnti_harq_pid;
} RA_t;
diff --git a/openair2/LAYER2/MAC/eNB_scheduler_dlsch.c b/openair2/LAYER2/MAC/eNB_scheduler_dlsch.c
index 58b6a13f6a1fd69aa2f9d9c60c318d7e2fe0e7a5..13c63124eb4debe81a48455da4bb970fb2f89250 100644
--- a/openair2/LAYER2/MAC/eNB_scheduler_dlsch.c
+++ b/openair2/LAYER2/MAC/eNB_scheduler_dlsch.c
@@ -1000,6 +1000,16 @@ schedule_ue_spec(module_id_t module_idP,
}
}
pthread_mutex_unlock(&rrc_release_freelist);
+
+ RA_t *ra = &eNB->common_channels[CC_id].ra[0];
+ for (uint8_t ra_ii = 0; ra_ii < NB_RA_PROC_MAX; ra_ii++) {
+ if((ra[ra_ii].rnti == rnti) && (ra[ra_ii].state == MSGCRNTI) &&
+ (ra[ra_ii].crnti_rrc_mui == rlc_status.rrc_mui)){
+ ra[ra_ii].crnti_harq_pid = harq_pid;
+ ra[ra_ii].state = MSGCRNTI_ACK;
+ break;
+ }
+ }
T(T_ENB_MAC_UE_DL_SDU, T_INT(module_idP),
T_INT(CC_id), T_INT(rnti), T_INT(frameP),
T_INT(subframeP), T_INT(harq_pid), T_INT(DCCH),
diff --git a/openair2/LAYER2/MAC/eNB_scheduler_primitives.c b/openair2/LAYER2/MAC/eNB_scheduler_primitives.c
index 15bee20f1110637eaee07ac40440120496bc5d95..fa462561af11c18712ca5390b4daba9e9ecf8de4 100644
--- a/openair2/LAYER2/MAC/eNB_scheduler_primitives.c
+++ b/openair2/LAYER2/MAC/eNB_scheduler_primitives.c
@@ -3701,6 +3701,22 @@ extract_harq(module_id_t mod_idP, int CC_idP, int UE_id,
LOG_D(MAC, "Received %d for harq_pid %d\n", pdu[0],
harq_pid);
+ RA_t *ra = &RC.mac[mod_idP]->common_channels[CC_idP].ra[0];
+ for (uint8_t ra_i = 0; ra_i < NB_RA_PROC_MAX; ra_i++) {
+ if ((ra[ra_i].rnti == rnti) && (ra[ra_i].state == MSGCRNTI_ACK) &&
+ (ra[ra_i].crnti_harq_pid == harq_pid)) {
+ LOG_D(MAC,"CRNTI Reconfiguration: ACK %d rnti %x round %d frame %d subframe %d \n",pdu[0],rnti,sched_ctl->round[CC_idP][harq_pid],frameP,subframeP);
+ if(pdu[0] == 1){
+ cancel_ra_proc(mod_idP, CC_idP, frameP, ra[ra_i].rnti);
+ }else{
+ if(sched_ctl->round[CC_idP][harq_pid] == 7){
+ cancel_ra_proc(mod_idP, CC_idP, frameP, ra[ra_i].rnti);
+ }
+ }
+ break;
+ }
+ }
+
if (pdu[0] == 1) { // ACK
sched_ctl->round[CC_idP][harq_pid] = 8; // release HARQ process
sched_ctl->tbcnt[CC_idP][harq_pid] = 0;
diff --git a/openair2/LAYER2/MAC/eNB_scheduler_ulsch.c b/openair2/LAYER2/MAC/eNB_scheduler_ulsch.c
index 2a05d7ea95402d952589d449c110f7ff0de11705..281e9a298c482a6abcf2a7a594d0d5486c053f83 100644
--- a/openair2/LAYER2/MAC/eNB_scheduler_ulsch.c
+++ b/openair2/LAYER2/MAC/eNB_scheduler_ulsch.c
@@ -67,6 +67,7 @@ uint8_t rb_table[34] =
{ 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32,
36, 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 81, 90, 96, 100
};
+extern mui_t rrc_eNB_mui;
void
rx_sdu(const module_id_t enb_mod_idP,
@@ -273,8 +274,8 @@ rx_sdu(const module_id_t enb_mod_idP,
enb_mod_idP, frameP, subframeP, CC_idP, rx_ces[i], i,
num_ce, old_rnti, old_UE_id);
/* receiving CRNTI means that the current rnti has to go away */
- cancel_ra_proc(enb_mod_idP, CC_idP, frameP,
- current_rnti);
+ //cancel_ra_proc(enb_mod_idP, CC_idP, frameP,
+ // current_rnti);
if (old_UE_id != -1) {
/* TODO: if the UE did random access (followed by a MAC uplink with
* CRNTI) because none of its scheduling request was granted, then
@@ -287,20 +288,45 @@ rx_sdu(const module_id_t enb_mod_idP,
* We have to take care of this. As the code is, nothing is done and
* the UE state in the eNB is wrong.
*/
- UE_id = old_UE_id;
- UE_list->UE_sched_ctrl[UE_id].ul_inactivity_timer = 0;
- if (UE_list->UE_sched_ctrl[UE_id].ul_failure_timer > 0) {
- LOG_I(MAC, "UE %d rnti %x: UL Failure timer %d clear to 0\n", UE_id, old_rnti,
- UE_list->UE_sched_ctrl[UE_id].ul_failure_timer);
- }
- UE_list->UE_sched_ctrl[UE_id].ul_failure_timer = 0;
- if (UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync > 0) {
- UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync = 0;
- mac_eNB_rrc_ul_in_sync(enb_mod_idP, CC_idP, frameP,
- subframeP, old_rnti);
- }
- current_rnti = old_rnti;
- }
+ for (ii = 0; ii < NB_RA_PROC_MAX; ii++) {
+ ra = &mac->common_channels[CC_idP].ra[ii];
+ if ((ra->rnti == current_rnti) && (ra->state != IDLE)) {
+ mac_rrc_data_ind(enb_mod_idP,
+ CC_idP,
+ frameP, subframeP,
+ old_rnti,
+ DCCH,
+ (uint8_t *) payload_ptr,
+ rx_lengths[i],
+ ENB_FLAG_YES, enb_mod_idP, 0);
+ // prepare transmission of Msg4(RRCConnectionReconfiguration)
+ ra->state = MSGCRNTI;
+ LOG_D(MAC,
+ "[eNB %d] Frame %d, Subframe %d CC_id %d : (rnti %x UE_id %d) RRCConnectionReconfiguration(Msg4)",
+ enb_mod_idP, frameP, subframeP, CC_idP, old_rnti, old_UE_id);
+ //
+ UE_id = old_UE_id;
+ current_rnti = old_rnti;
+ ra->rnti = old_rnti;
+ ra->crnti_rrc_mui = rrc_eNB_mui-1;
+ ra->crnti_harq_pid = -1;
+ //clear timer
+ UE_list->UE_sched_ctrl[UE_id].uplane_inactivity_timer = 0;
+ UE_list->UE_sched_ctrl[UE_id].ul_inactivity_timer = 0;
+ UE_list->UE_sched_ctrl[UE_id].ul_failure_timer = 0;
+ if (UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync > 0) {
+ UE_list->UE_sched_ctrl[UE_id].ul_out_of_sync = 0;
+ mac_eNB_rrc_ul_in_sync(enb_mod_idP, CC_idP, frameP,
+ subframeP, old_rnti);
+ }
+ UE_list->UE_template[CC_idP][UE_id].ul_SR = 1;
+ UE_list->UE_sched_ctrl[UE_id].crnti_reconfigurationcomplete_flag = 1;
+ break;
+ }
+ }
+ }else{
+ cancel_ra_proc(enb_mod_idP, CC_idP, frameP,current_rnti);
+ }
crnti_rx = 1;
payload_ptr += 2;
break;
@@ -630,7 +656,7 @@ rx_sdu(const module_id_t enb_mod_idP,
// Program Msg4 PDCCH+DLSCH/MPDCCH transmission 4 subframes from now, // Check if this is ok for BL/CE, or if the rule is different
ra->Msg4_frame = frameP + ((subframeP > 5) ? 1 : 0);
ra->Msg4_subframe = (subframeP + 4) % 10;
-
+ UE_list->UE_sched_ctrl[UE_id].crnti_reconfigurationcomplete_flag = 0;
} // if process is active
} // loop on RA processes
diff --git a/openair2/RRC/LITE/L2_interface.c b/openair2/RRC/LITE/L2_interface.c
index 620a8873d8dc43c89bbabb24bd66eb308b7475dc..fb31620961a4ae0fd2f9a1b950140b0bbcc917d6 100644
--- a/openair2/RRC/LITE/L2_interface.c
+++ b/openair2/RRC/LITE/L2_interface.c
@@ -541,6 +541,7 @@ mac_rrc_data_ind(
#endif // Rel10 || Rel14
} else { // This is an eNB
+ if((srb_idP & RAB_OFFSET) == CCCH) {
Srb_info = &RC.rrc[module_idP]->carrier[CC_id].Srb0;
LOG_D(RRC,"[eNB %d] Received SDU for CCCH on SRB %d\n",module_idP,Srb_info->Srb_id);
@@ -575,7 +576,17 @@ mac_rrc_data_ind(
Srb_info->Rx_buffer.payload_size = sdu_lenP;
rrc_eNB_decode_ccch(&ctxt, Srb_info, CC_id);
}
-
+ }
+ if((srb_idP & RAB_OFFSET) == DCCH) {
+ struct rrc_eNB_ue_context_s* ue_context_p = NULL;
+ ue_context_p = rrc_eNB_get_ue_context(RC.rrc[ctxt.module_id],rntiP);
+ if(ue_context_p){
+ rrc_eNB_generate_defaultRRCConnectionReconfiguration(&ctxt,
+ ue_context_p,
+ 0);
+ ue_context_p->ue_context.Status = RRC_RECONFIGURED;
+ }
+ }
#endif
}
diff --git a/openair2/RRC/LITE/rrc_eNB.c b/openair2/RRC/LITE/rrc_eNB.c
index 9832ce39bd2f428cb517b1166c60db31b71e63e8..e57ed85b6f1901ffa09714976556506ed5685a2b 100644
--- a/openair2/RRC/LITE/rrc_eNB.c
+++ b/openair2/RRC/LITE/rrc_eNB.c
@@ -6179,6 +6179,21 @@ rrc_eNB_decode_dcch(
LOG_I(RRC,
PROTOCOL_RRC_CTXT_UE_FMT" UE State = RRC_RECONFIGURED (dedicated DRB, xid %ld)\n",
PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.rrc_TransactionIdentifier);
+ //clear
+ int16_t UE_id = find_UE_id(ctxt_pP->module_id, ctxt_pP->rnti);
+ if(UE_id == -1){
+ LOG_E(RRC,
+ PROTOCOL_RRC_CTXT_UE_FMT" RRCConnectionReconfigurationComplete without rnti %x, fault\n",
+ PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ctxt_pP->rnti);
+ break;
+ }
+ if(RC.mac[ctxt_pP->module_id]->UE_list.UE_sched_ctrl[UE_id].crnti_reconfigurationcomplete_flag == 1){
+ LOG_I(RRC,
+ PROTOCOL_RRC_CTXT_UE_FMT" UE State = RRC_RECONFIGURED (dedicated DRB, xid %ld) C-RNTI Complete\n",
+ PROTOCOL_RRC_CTXT_UE_ARGS(ctxt_pP),ul_dcch_msg->message.choice.c1.choice.rrcConnectionReconfigurationComplete.rrc_TransactionIdentifier);
+ dedicated_DRB = 2;
+ RC.mac[ctxt_pP->module_id]->UE_list.UE_sched_ctrl[UE_id].crnti_reconfigurationcomplete_flag = 0;
+ }
}else {
dedicated_DRB = 0;
ue_context_p->ue_context.Status = RRC_RECONFIGURED;