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Commit ca118000 authored by Louis Adrien Dufrene's avatar Louis Adrien Dufrene
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Cleanup of eNB_scheduler.c

parent 42e0929a
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Showing with 19 additions and 10 deletions
openair2/LAYER2/MAC/eNB_scheduler.c
View file @ ca118000
......@@ -649,16 +649,20 @@ eNB_dlsch_ulsch_scheduler(module_id_t module_idP,
}
}
/* UL synchronous HARQ process */
/* UL asynchronous HARQ process: only UL HARQ RTT timer is implemented (hence not implemented) */
if (UE_scheduling_control->ul_harq_rtt_timer[CC_id][harq_process_id] > 0) {
UE_scheduling_control->ul_harq_rtt_timer[CC_id][harq_process_id]++;
if (UE_scheduling_control->ul_harq_rtt_timer[CC_id][harq_process_id] > 4) {
// drx_ULRetransmissionTimer should be started here
/*
* TODO: implement the handling of UL asynchronous HARQ
* drx_ULRetransmissionTimer should be (re)started here
*/
UE_scheduling_control->ul_harq_rtt_timer[CC_id][harq_process_id] = 0;
}
}
/* UL synchronous HARQ process */
if (UE_scheduling_control->ul_synchronous_harq_timer[CC_id][harq_process_id] > 0) {
UE_scheduling_control->ul_synchronous_harq_timer[CC_id][harq_process_id]++;
......@@ -684,6 +688,7 @@ eNB_dlsch_ulsch_scheduler(module_id_t module_idP,
UE_scheduling_control->drx_inactivity_timer++;
if (UE_scheduling_control->drx_inactivity_timer > (UE_scheduling_control->drx_inactivity_timer_thres + 1)) {
/* Note: the +1 on the threshold is due to information in table C-1 of 36.321 */
UE_scheduling_control->drx_inactivity_timer = 0;
/* When timer expires switch into short or long DRX cycle */
......@@ -701,7 +706,7 @@ eNB_dlsch_ulsch_scheduler(module_id_t module_idP,
if (UE_scheduling_control->in_short_drx_cycle == TRUE) {
UE_scheduling_control->drx_shortCycle_timer++;
/* When the Short DRX cycles are over */
/* When the Short DRX cycles are over, switch to long DRX cycle */
if (UE_scheduling_control->drx_shortCycle_timer > UE_scheduling_control->drx_shortCycle_timer_thres) {
UE_scheduling_control->drx_shortCycle_timer = 0;
UE_scheduling_control->in_short_drx_cycle = FALSE;
......@@ -723,7 +728,7 @@ eNB_dlsch_ulsch_scheduler(module_id_t module_idP,
UE_scheduling_control->drx_longCycle_timer = 0;
}
/* Check for error case */
/* Check for error cases */
if ((UE_scheduling_control->in_short_drx_cycle == TRUE) && (UE_scheduling_control->in_long_drx_cycle == TRUE)) {
LOG_E(MAC, "Error in C-DRX: UE id %d is in both short and long DRX cycle. Should not happen. Back it to long cycle only\n", UE_id);
UE_scheduling_control->in_short_drx_cycle = FALSE;
......@@ -750,21 +755,23 @@ eNB_dlsch_ulsch_scheduler(module_id_t module_idP,
* ONLY here. The variable can then be used for testing the actual state of the UE for scheduling purpose.
*/
UE_template = &(UE_list->UE_template[CC_id][UE_id]);
/* (a)synchronous HARQ Processes handling for Active Time */
/* (a)synchronous HARQ processes handling for Active Time */
for (int harq_process_id = 0; harq_process_id < 8; harq_process_id++) {
if (UE_scheduling_control->drx_retransmission_timer[harq_process_id] > 0) {
harq_active_time_condition = TRUE;
active_time_condition = 2;
active_time_condition = 2; // for tracing purpose
break;
}
}
/* Active time conditions */
if (UE_scheduling_control->on_duration_timer > 0 ||
UE_scheduling_control->drx_inactivity_timer > 1 ||
harq_active_time_condition ||
UE_template->ul_SR > 0) {
UE_scheduling_control->in_active_time = TRUE;
} else {
UE_scheduling_control->in_active_time = FALSE;
}
......@@ -774,11 +781,11 @@ eNB_dlsch_ulsch_scheduler(module_id_t module_idP,
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_ON_DURATION_TIMER, (unsigned long) UE_scheduling_control->on_duration_timer);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_DRX_INACTIVITY, (unsigned long) UE_scheduling_control->drx_inactivity_timer);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_DRX_SHORT_CYCLE, (unsigned long) UE_scheduling_control->drx_shortCycle_timer);
//VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_SHORT_DRX_CYCLE_NUMBER, (unsigned long) UE_scheduling_control->short_drx_cycle);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_DRX_LONG_CYCLE, (unsigned long) UE_scheduling_control->drx_longCycle_timer);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_DRX_RETRANSMISSION_HARQ0, (unsigned long) UE_scheduling_control->drx_retransmission_timer[0]);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_DRX_ACTIVE_TIME, (unsigned long) UE_scheduling_control->in_active_time);
/* For tracing purpose */
if (UE_template->ul_SR > 0) {
active_time_condition = 1;
} else if ((UE_scheduling_control->on_duration_timer > 0) && (active_time_condition == 0)) {
......@@ -790,7 +797,9 @@ eNB_dlsch_ulsch_scheduler(module_id_t module_idP,
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_DRX_ACTIVE_TIME_CONDITION, (unsigned long) active_time_condition);
}
/* END VCD */
} else { // end if CDRX is configured
} else { // else: CDRX not configured
/* Note: (UL) HARQ RTT timers processing is done here and can be used by other features than CDRX */
/* HARQ RTT timers */
for (int harq_process_id = 0; harq_process_id < 8; harq_process_id++) {
if (UE_scheduling_control->harq_rtt_timer[CC_id][harq_process_id] > 0) {
......@@ -988,7 +997,7 @@ eNB_dlsch_ulsch_scheduler(module_id_t module_idP,
schedule_ue_spec_phy_test(module_idP,frameP,subframeP,mbsfn_status);
}
// Allocate CCEs for good after scheduling is done
/* Allocate CCEs for good after scheduling is done */
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
if (cc[CC_id].tdd_Config == NULL || !(is_UL_sf(&cc[CC_id],subframeP))) {
allocate_CCEs(module_idP, CC_id, frameP, subframeP, 2);
......
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