Skip to content

O
OpenXG-RAN
Commit 8d3fa4dc authored by Robert Schmidt's avatar Robert Schmidt
Browse files
Options

Simplify dlsch_scheduler_pre_processor_reset() 

The original reset() function used in fairRR has been moved to
eNB_scheduler_fairRR.c
parent ff766786
Hide whitespace changes
Inline Side-by-side
Showing with 222 additions and 183 deletions
openair2/LAYER2/MAC/eNB_scheduler_fairRR.c
View file @ 8d3fa4dc
......@@ -558,6 +558,174 @@ void dlsch_scheduler_pre_ue_select_fairRR(
return;
}
void dlsch_scheduler_pre_processor_reset_fairRR(
module_id_t module_idP,
frame_t frameP,
sub_frame_t subframeP,
int min_rb_unit[NFAPI_CC_MAX],
uint16_t nb_rbs_required[NFAPI_CC_MAX][MAX_MOBILES_PER_ENB],
uint8_t rballoc_sub[NFAPI_CC_MAX][N_RBG_MAX],
uint8_t MIMO_mode_indicator[NFAPI_CC_MAX][N_RBG_MAX]) {
int UE_id;
uint8_t CC_id;
int i, j;
UE_list_t *UE_list;
UE_sched_ctrl_t *ue_sched_ctl;
int N_RB_DL, RBGsize, RBGsize_last;
int N_RBG[NFAPI_CC_MAX];
rnti_t rnti;
uint8_t *vrb_map;
COMMON_channels_t *cc;
//
for (CC_id = 0; CC_id < RC.nb_mac_CC[module_idP]; CC_id++) {
// initialize harq_pid and round
cc = &RC.mac[module_idP]->common_channels[CC_id];
N_RBG[CC_id] = to_rbg(cc->mib->message.dl_Bandwidth);
min_rb_unit[CC_id] = get_min_rb_unit(module_idP, CC_id);
for (UE_id = 0; UE_id < MAX_MOBILES_PER_ENB; ++UE_id) {
UE_list = &RC.mac[module_idP]->UE_list;
ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
rnti = UE_RNTI(module_idP, UE_id);
if (rnti == NOT_A_RNTI)
continue;
if (UE_list->active[UE_id] != TRUE)
continue;
LOG_D(MAC, "Running preprocessor for UE %d (%x)\n", UE_id, rnti);
// initialize harq_pid and round
if (ue_sched_ctl->ta_timer)
ue_sched_ctl->ta_timer--;
/*
eNB_UE_stats *eNB_UE_stats;
if (eNB_UE_stats == NULL)
return;
mac_xface->get_ue_active_harq_pid(module_idP,CC_id,rnti,
frameP,subframeP,
&ue_sched_ctl->harq_pid[CC_id],
&ue_sched_ctl->round[CC_id],
openair_harq_DL);
if (ue_sched_ctl->ta_timer == 0) {
// WE SHOULD PROTECT the eNB_UE_stats with a mutex here ...
ue_sched_ctl->ta_timer = 20; // wait 20 subframes before taking TA measurement from PHY
switch (N_RB_DL) {
case 6:
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update;
break;
case 15:
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update/2;
break;
case 25:
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update/4;
break;
case 50:
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update/8;
break;
case 75:
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update/12;
break;
case 100:
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update/16;
break;
}
// clear the update in case PHY does not have a new measurement after timer expiry
eNB_UE_stats->timing_advance_update = 0;
}
else {
ue_sched_ctl->ta_timer--;
ue_sched_ctl->ta_update =0; // don't trigger a timing advance command
}
if (UE_id==0) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_UE0_TIMING_ADVANCE,ue_sched_ctl->ta_update);
}
*/
nb_rbs_required[CC_id][UE_id] = 0;
ue_sched_ctl->pre_nb_available_rbs[CC_id] = 0;
ue_sched_ctl->dl_pow_off[CC_id] = 2;
for (i = 0; i < N_RBG[CC_id]; i++) {
ue_sched_ctl->rballoc_sub_UE[CC_id][i] = 0;
}
}
N_RB_DL = to_prb(RC.mac[module_idP]->common_channels[CC_id].mib->message.dl_Bandwidth);
switch (N_RB_DL) {
case 6:
RBGsize = 1;
RBGsize_last = 1;
break;
case 15:
RBGsize = 2;
RBGsize_last = 1;
break;
case 25:
RBGsize = 2;
RBGsize_last = 1;
break;
case 50:
RBGsize = 3;
RBGsize_last = 2;
break;
case 75:
RBGsize = 4;
RBGsize_last = 3;
break;
case 100:
RBGsize = 4;
RBGsize_last = 4;
break;
default:
AssertFatal(1 == 0, "unsupported RBs (%d)\n", N_RB_DL);
}
vrb_map = RC.mac[module_idP]->common_channels[CC_id].vrb_map;
// Initialize Subbands according to VRB map
for (i = 0; i < N_RBG[CC_id]; i++) {
int rb_size = i == N_RBG[CC_id] - 1 ? RBGsize_last : RBGsize;
// for SI-RNTI,RA-RNTI and P-RNTI allocations
for (j = 0; j < rb_size; j++) {
if (vrb_map[j + (i*RBGsize)] != 0) {
rballoc_sub[CC_id][i] = 1;
LOG_D(MAC, "Frame %d, subframe %d : vrb %d allocated\n", frameP, subframeP, j + (i*RBGsize));
break;
}
}
//LOG_D(MAC, "Frame %d Subframe %d CC_id %d RBG %i : rb_alloc %d\n",
//frameP, subframeP, CC_id, i, rballoc_sub[CC_id][i]);
MIMO_mode_indicator[CC_id][i] = 2;
}
}
}
// This function assigns pre-available RBS to each UE in specified sub-bands before scheduling is done
......@@ -612,14 +780,14 @@ void dlsch_scheduler_pre_processor_fairRR (module_id_t Mod_id,
UE_id = i;
// Initialize scheduling information for all active UEs
dlsch_scheduler_pre_processor_reset(Mod_id,
0,
frameP,
subframeP,
min_rb_unit,
(uint16_t (*)[MAX_MOBILES_PER_ENB])nb_rbs_required,
rballoc_sub,
MIMO_mode_indicator);
dlsch_scheduler_pre_processor_reset_fairRR(
Mod_id,
frameP,
subframeP,
min_rb_unit,
(uint16_t(*)[MAX_MOBILES_PER_ENB])nb_rbs_required,
rballoc_sub,
MIMO_mode_indicator);
}
}
......
openair2/LAYER2/MAC/eNB_scheduler_fairRR.h
View file @ 8d3fa4dc
......@@ -85,6 +85,15 @@ void dlsch_scheduler_pre_ue_select_fairRR(
uint16_t nb_rbs_required[MAX_NUM_CCs][MAX_MOBILES_PER_ENB],
DLSCH_UE_SELECT dlsch_ue_select[MAX_NUM_CCs]);
void dlsch_scheduler_pre_processor_reset_fairRR(
module_id_t module_idP,
frame_t frameP,
sub_frame_t subframeP,
int min_rb_unit[NFAPI_CC_MAX],
uint16_t nb_rbs_required[NFAPI_CC_MAX][MAX_MOBILES_PER_ENB],
uint8_t rballoc_sub[NFAPI_CC_MAX][N_RBG_MAX],
uint8_t MIMO_mode_indicator[NFAPI_CC_MAX][N_RBG_MAX]);
void dlsch_scheduler_pre_processor_fairRR (module_id_t Mod_id,
frame_t frameP,
sub_frame_t subframeP,
......
openair2/LAYER2/MAC/mac_proto.h
View file @ 8d3fa4dc
......@@ -237,13 +237,8 @@ void dlsch_scheduler_pre_processor(module_id_t module_idP,
sub_frame_t subframe);
void dlsch_scheduler_pre_processor_reset(module_id_t module_idP,
int slice_idx,
frame_t frameP,
sub_frame_t subframeP,
int min_rb_unit[NFAPI_CC_MAX],
uint16_t nb_rbs_required[NFAPI_CC_MAX][MAX_MOBILES_PER_ENB],
uint8_t rballoc_sub[NFAPI_CC_MAX][N_RBG_MAX],
uint8_t MIMO_mode_indicator[NFAPI_CC_MAX][N_RBG_MAX]);
int CC_id,
uint8_t rballoc_sub[N_RBG_MAX]);
void dlsch_scheduler_pre_processor_partitioning(module_id_t Mod_id,
int slice_idx,
......
openair2/LAYER2/MAC/pre_processor.c
View file @ 8d3fa4dc
......@@ -886,6 +886,8 @@ dlsch_scheduler_pre_processor(module_id_t Mod_id,
uint16_t i, j;
int slice_idx = 0;
int min_rb_unit[NFAPI_CC_MAX];
min_rb_unit[CC_id] = get_min_rb_unit(Mod_id, CC_id);
// TODO: remove NFAPI_CC_MAX, here for compatibility for the moment
uint8_t rballoc_sub[NFAPI_CC_MAX][N_RBG_MAX];
memset(rballoc_sub, 0, sizeof(rballoc_sub));
......@@ -894,21 +896,18 @@ dlsch_scheduler_pre_processor(module_id_t Mod_id,
uint16_t (*nb_rbs_required)[MAX_MOBILES_PER_ENB] = sli->pre_processor_results[slice_idx].nb_rbs_required;
uint16_t (*nb_rbs_accounted)[MAX_MOBILES_PER_ENB] = sli->pre_processor_results[slice_idx].nb_rbs_accounted;
uint16_t (*nb_rbs_remaining)[MAX_MOBILES_PER_ENB] = sli->pre_processor_results[slice_idx].nb_rbs_remaining;
uint8_t (*MIMO_mode_indicator)[N_RBG_MAX] = sli->pre_processor_results[slice_idx].MIMO_mode_indicator;
// TODO remove this
uint8_t MIMO_mode_indicator[NFAPI_CC_MAX][N_RBG_MAX];
memset(MIMO_mode_indicator, 0, sizeof(MIMO_mode_indicator));
UE_list_t *UE_list = &eNB->UE_list;
UE_sched_ctrl_t *ue_sched_ctl;
// int rrc_status = RRC_IDLE;
// Initialize scheduling information for all active UEs
memset(&sli->pre_processor_results[slice_idx], 0, sizeof(sli->pre_processor_results[slice_idx]));
// FIXME: After the memset above, some of the resets in reset() are redundant
dlsch_scheduler_pre_processor_reset(Mod_id,
slice_idx,
frameP,
subframeP,
min_rb_unit,
nb_rbs_required,
rballoc_sub,
MIMO_mode_indicator);
CC_id,
rballoc_sub[CC_id]);
// STATUS
// Store the DLSCH buffer for each logical channel
store_dlsch_buffer(Mod_id,
......@@ -999,173 +998,41 @@ dlsch_scheduler_pre_processor(module_id_t Mod_id,
void
dlsch_scheduler_pre_processor_reset(module_id_t module_idP,
int slice_idx,
frame_t frameP,
sub_frame_t subframeP,
int min_rb_unit[NFAPI_CC_MAX],
uint16_t nb_rbs_required[NFAPI_CC_MAX][MAX_MOBILES_PER_ENB],
uint8_t rballoc_sub[NFAPI_CC_MAX][N_RBG_MAX],
uint8_t MIMO_mode_indicator[NFAPI_CC_MAX][N_RBG_MAX]) {
int UE_id;
uint8_t CC_id;
int i, j;
UE_list_t *UE_list;
UE_sched_ctrl_t *ue_sched_ctl;
int N_RB_DL, RBGsize, RBGsize_last;
int N_RBG[NFAPI_CC_MAX];
rnti_t rnti;
uint8_t *vrb_map;
COMMON_channels_t *cc;
//
for (CC_id = 0; CC_id < RC.nb_mac_CC[module_idP]; CC_id++) {
// initialize harq_pid and round
cc = &RC.mac[module_idP]->common_channels[CC_id];
N_RBG[CC_id] = to_rbg(cc->mib->message.dl_Bandwidth);
min_rb_unit[CC_id] = get_min_rb_unit(module_idP, CC_id);
for (UE_id = 0; UE_id < MAX_MOBILES_PER_ENB; ++UE_id) {
UE_list = &RC.mac[module_idP]->UE_list;
ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
rnti = UE_RNTI(module_idP, UE_id);
if (rnti == NOT_A_RNTI)
continue;
if (UE_list->active[UE_id] != TRUE)
continue;
if (!ue_dl_slice_membership(module_idP, UE_id, slice_idx))
continue;
LOG_D(MAC, "Running preprocessor for UE %d (%x)\n", UE_id, rnti);
// initialize harq_pid and round
if (ue_sched_ctl->ta_timer)
ue_sched_ctl->ta_timer--;
/*
eNB_UE_stats *eNB_UE_stats;
if (eNB_UE_stats == NULL)
return;
mac_xface->get_ue_active_harq_pid(module_idP,CC_id,rnti,
frameP,subframeP,
&ue_sched_ctl->harq_pid[CC_id],
&ue_sched_ctl->round[CC_id],
openair_harq_DL);
if (ue_sched_ctl->ta_timer == 0) {
// WE SHOULD PROTECT the eNB_UE_stats with a mutex here ...
ue_sched_ctl->ta_timer = 20; // wait 20 subframes before taking TA measurement from PHY
switch (N_RB_DL) {
case 6:
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update;
break;
case 15:
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update/2;
break;
case 25:
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update/4;
break;
case 50:
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update/8;
break;
case 75:
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update/12;
break;
case 100:
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update/16;
break;
}
// clear the update in case PHY does not have a new measurement after timer expiry
eNB_UE_stats->timing_advance_update = 0;
}
else {
ue_sched_ctl->ta_timer--;
ue_sched_ctl->ta_update =0; // don't trigger a timing advance command
}
if (UE_id==0) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_UE0_TIMING_ADVANCE,ue_sched_ctl->ta_update);
}
*/
nb_rbs_required[CC_id][UE_id] = 0;
ue_sched_ctl->pre_nb_available_rbs[CC_id] = 0;
ue_sched_ctl->dl_pow_off[CC_id] = 2;
for (i = 0; i < N_RBG[CC_id]; i++) {
ue_sched_ctl->rballoc_sub_UE[CC_id][i] = 0;
}
}
N_RB_DL = to_prb(RC.mac[module_idP]->common_channels[CC_id].mib->message.dl_Bandwidth);
switch (N_RB_DL) {
case 6:
RBGsize = 1;
RBGsize_last = 1;
break;
int CC_id,
uint8_t rballoc_sub[N_RBG_MAX]) {
UE_list_t *UE_list = &RC.mac[module_idP]->UE_list;
case 15:
RBGsize = 2;
RBGsize_last = 1;
break;
for (int UE_id = 0; UE_id < MAX_MOBILES_PER_ENB; ++UE_id) {
UE_sched_ctrl_t *ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id];
const rnti_t rnti = UE_RNTI(module_idP, UE_id);
case 25:
RBGsize = 2;
RBGsize_last = 1;
break;
if (rnti == NOT_A_RNTI)
continue;
case 50:
RBGsize = 3;
RBGsize_last = 2;
break;
if (UE_list->active[UE_id] != TRUE)
continue;
case 75:
RBGsize = 4;
RBGsize_last = 3;
break;
// initialize harq_pid and round
if (ue_sched_ctl->ta_timer)
ue_sched_ctl->ta_timer--;
case 100:
RBGsize = 4;
RBGsize_last = 4;
break;
ue_sched_ctl->pre_nb_available_rbs[CC_id] = 0;
ue_sched_ctl->dl_pow_off[CC_id] = 2;
default:
AssertFatal(1 == 0, "unsupported RBs (%d)\n", N_RB_DL);
for (int i = 0; i < sizeof(ue_sched_ctl->rballoc_sub_UE[CC_id])/sizeof(unsigned char); i++) {
ue_sched_ctl->rballoc_sub_UE[CC_id][i] = 0;
}
}
vrb_map = RC.mac[module_idP]->common_channels[CC_id].vrb_map;
// Initialize Subbands according to VRB map
for (i = 0; i < N_RBG[CC_id]; i++) {
int rb_size = i == N_RBG[CC_id] - 1 ? RBGsize_last : RBGsize;
const int N_RB_DL = to_prb(RC.mac[module_idP]->common_channels[CC_id].mib->message.dl_Bandwidth);
const int RBGsize = get_min_rb_unit(module_idP, CC_id);
const uint8_t *vrb_map = RC.mac[module_idP]->common_channels[CC_id].vrb_map;
// for SI-RNTI,RA-RNTI and P-RNTI allocations
for (j = 0; j < rb_size; j++) {
if (vrb_map[j + (i*RBGsize)] != 0) {
rballoc_sub[CC_id][i] = 1;
LOG_D(MAC, "Frame %d, subframe %d : vrb %d allocated\n", frameP, subframeP, j + (i*RBGsize));
break;
}
}
//LOG_D(MAC, "Frame %d Subframe %d CC_id %d RBG %i : rb_alloc %d\n",
//frameP, subframeP, CC_id, i, rballoc_sub[CC_id][i]);
MIMO_mode_indicator[CC_id][i] = 2;
}
// Check for SI-RNTI, RA-RNTI or P-RNTI allocations in VRB map and
// initialize subbands accordly
for (int i = 0; i < N_RB_DL; i++) {
if (vrb_map[i] != 0)
rballoc_sub[i/RBGsize] = 1;
}
}
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment