Skip to content

O
OpenXG-RAN
Commit 83929d42 authored by Xenofon Foukas's avatar Xenofon Foukas
Browse files
Options

Refactored local FlexRAN scheduler to make further use of FlexRAN API

parent 5864cc08
Expand all Show whitespace changes
Inline Side-by-side
Showing with 820 additions and 136 deletions
openair2/ENB_APP/CONTROL_MODULES/MAC/flexran_agent_mac.c
View file @ 83929d42
......@@ -995,7 +995,7 @@ int flexran_agent_mac_sf_trigger(mid_t mod_id, const void *params, Protocol__Fle
// TODO: This should be different per TB
if(harq_status == 0)
dl_info[i]->harq_status[j] = PROTOCOL__FLEX_HARQ_STATUS__FLHS_ACK;
else if (harq_status == 1)
else if (harq_status > 0)
dl_info[i]->harq_status[j] = PROTOCOL__FLEX_HARQ_STATUS__FLHS_NACK;
}
/*Fill in the serving cell index for this UE */
......
openair2/ENB_APP/flexran_agent_common.c
View file @ 83929d42
......@@ -569,46 +569,73 @@ int flexran_get_tx_queue_size(mid_t mod_id, mid_t ue_id, logical_chan_id_t chann
return rlc_status.bytes_in_buffer;
}
int flexran_get_MAC_CE_bitmap_TA(mid_t mod_id, mid_t ue_id,int CC_id)
{
rnti_t rnti = flexran_get_ue_crnti(mod_id,ue_id);
LTE_eNB_UE_stats *eNB_UE_stats = mac_xface->get_eNB_UE_stats(mod_id,CC_id,rnti);
int flexran_update_TA(mid_t mod_id, mid_t ue_id, int CC_id) {
if (eNB_UE_stats == NULL) {
return 0;
}
UE_list_t *UE_list=&eNB_mac_inst[mod_id].UE_list;
UE_sched_ctrl *ue_sched_ctl = &UE_list->UE_sched_ctrl[ue_id];
int rnti;
rnti = flexran_get_ue_crnti(mod_id, ue_id);
if (ue_sched_ctl->ta_timer == 0) {
int32_t time_advance;
// WE SHOULD PROTECT the eNB_UE_stats with a mutex here ...
LTE_eNB_UE_stats *eNB_UE_stats = mac_xface->get_eNB_UE_stats(mod_id, CC_id, rnti);
ue_sched_ctl->ta_timer = 20; // wait 20 subframes before taking TA measurement from PHY
switch (PHY_vars_eNB_g[mod_id][CC_id]->frame_parms.N_RB_DL) {
case 6:
time_advance = eNB_UE_stats->timing_advance_update;
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update;
break;
case 15:
time_advance = eNB_UE_stats->timing_advance_update/2;
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update/2;
break;
case 25:
time_advance = eNB_UE_stats->timing_advance_update/4;
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update/4;
break;
case 50:
time_advance = eNB_UE_stats->timing_advance_update/8;
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update/8;
break;
case 75:
time_advance = eNB_UE_stats->timing_advance_update/12;
ue_sched_ctl->ta_update = eNB_UE_stats->timing_advance_update/12;
break;
case 100:
time_advance = eNB_UE_stats->timing_advance_update/16;
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
}
return ue_sched_ctl->ta_update = 0;
}
int flexran_get_MAC_CE_bitmap_TA(mid_t mod_id, mid_t ue_id,int CC_id) {
UE_list_t *UE_list = &eNB_mac_inst[mod_id].UE_list;
UE_sched_ctrl *ue_sched_ctl = &UE_list->UE_sched_ctrl[ue_id];
if(time_advance > 0)
rnti_t rnti = flexran_get_ue_crnti(mod_id,ue_id);
LTE_eNB_UE_stats *eNB_UE_stats = mac_xface->get_eNB_UE_stats(mod_id,CC_id,rnti);
if (eNB_UE_stats == NULL) {
return 0;
}
if (ue_sched_ctl->ta_update == 0) {
return 1;
else
} else {
return 0;
}
}
int flexran_get_active_CC(mid_t mod_id, mid_t ue_id) {
......@@ -660,27 +687,29 @@ int flexran_get_tpc(mid_t mod_id, mid_t ue_id) {
return tpc;
}
int flexran_get_harq(const mid_t mod_id, const uint8_t CC_id, const mid_t ue_id, const int frame, const uint8_t subframe, int *id, int *status) { //flag_id_status = 0 then id, else status
int flexran_get_harq(const mid_t mod_id, const uint8_t CC_id, const mid_t ue_id, const int frame, const uint8_t subframe, int *id, int *round) { //flag_id_status = 0 then id, else status
/*TODO: Add int TB in function parameters to get the status of the second TB. This can be done to by editing in
* get_ue_active_harq_pid function in line 272 file: phy_procedures_lte_eNB.c to add
* DLSCH_ptr = PHY_vars_eNB_g[Mod_id][CC_id]->dlsch_eNB[(uint32_t)UE_id][1];*/
uint8_t harq_pid;
uint8_t round;
uint8_t harq_round;
uint16_t rnti = flexran_get_ue_crnti(mod_id,ue_id);
mac_xface->get_ue_active_harq_pid(mod_id,CC_id,rnti,frame,subframe,&harq_pid,&round,openair_harq_DL);
mac_xface->get_ue_active_harq_pid(mod_id,CC_id,rnti,frame,subframe,&harq_pid,&harq_round,openair_harq_DL);
*id = harq_pid;
if (round > 0) {
*status = 1;
} else {
*status = 0;
}
*round = harq_round;
/* if (round > 0) { */
/* *status = 1; */
/* } else { */
/* *status = 0; */
/* } */
return 0;
/* return 0; */
return round;
}
int flexran_get_p0_pucch_dbm(mid_t mod_id, mid_t ue_id, int CC_id) {
......@@ -705,6 +734,24 @@ int flexran_get_p0_nominal_pucch(mid_t mod_id, int CC_id) {
return pucch_rx_received;
}
int flexran_get_p0_pucch_status(mid_t mod_id, mid_t ue_id, int CC_id) {
LTE_eNB_UE_stats *eNB_UE_stats = NULL;
uint32_t rnti = flexran_get_ue_crnti(mod_id,ue_id);
eNB_UE_stats = mac_xface->get_eNB_UE_stats(mod_id, CC_id, rnti);
return eNB_UE_stats->Po_PUCCH_update;
}
int flexran_update_p0_pucch(mid_t mod_id, mid_t ue_id, int CC_id) {
LTE_eNB_UE_stats *eNB_UE_stats = NULL;
uint32_t rnti = flexran_get_ue_crnti(mod_id,ue_id);
eNB_UE_stats = mac_xface->get_eNB_UE_stats(mod_id, CC_id, rnti);
eNB_UE_stats->Po_PUCCH_update = 0;
return 0;
}
/*
* ************************************
......@@ -861,6 +908,13 @@ int flexran_get_N_RB_UL(mid_t mod_id, int CC_id) {
return frame_parms->N_RB_UL;
}
int flexran_get_N_RBG(mid_t mod_id, int CC_id) {
LTE_DL_FRAME_PARMS *frame_parms;
frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
return frame_parms->N_RBG;
}
int flexran_get_subframe_assignment(mid_t mod_id, int CC_id) {
LTE_DL_FRAME_PARMS *frame_parms;
......@@ -891,10 +945,10 @@ int flexran_get_duplex_mode(mid_t mod_id, int CC_id) {
LTE_DL_FRAME_PARMS *frame_parms;
frame_parms = mac_xface->get_lte_frame_parms(mod_id, CC_id);
if(frame_parms->frame_type == 0)
return 1;
else if (frame_parms->frame_type == 1)
return 0;
if(frame_parms->frame_type == TDD)
return PROTOCOL__FLEX_DUPLEX_MODE__FLDM_TDD;
else if (frame_parms->frame_type == FDD)
return PROTOCOL__FLEX_DUPLEX_MODE__FLDM_FDD;
return -1;
}
......
openair2/ENB_APP/flexran_agent_common.h
View file @ 83929d42
......@@ -193,6 +193,9 @@ int flexran_get_ue_wcqi (mid_t mod_id, mid_t ue_id);
/* Get the transmission queue size for a UE with a channel_id logical channel id */
int flexran_get_tx_queue_size(mid_t mod_id, mid_t ue_id, logical_chan_id_t channel_id);
/* Update the timing advance status (find out whether a timing advance command is required) */
int flexran_update_TA(mid_t mod_id, mid_t ue_id, int CC_id);
/* Return timing advance MAC control element for a designated cell and UE */
int flexran_get_MAC_CE_bitmap_TA(mid_t mod_id, mid_t ue_id, int CC_id);
......@@ -245,6 +248,9 @@ int flexran_get_N_RB_DL(mid_t mod_id, int CC_id);
/* Get number of UL resource blocks */
int flexran_get_N_RB_UL(mid_t mod_id, int CC_id);
/* Get number of resource block groups */
int flexran_get_N_RBG(mid_t mod_id, int CC_id);
/* Get DL/UL subframe assignment. TDD only */
int flexran_get_subframe_assignment(mid_t mod_id, int CC_id);
......@@ -273,13 +279,18 @@ int flexran_get_tpc(mid_t mod_id, mid_t ue_id);
a designated frame and subframe. Returns 0 for success. The id and the
status of the HARQ process are stored in id and status respectively */
int flexran_get_harq(const mid_t mod_id, const uint8_t CC_id, const mid_t ue_id,
const int frame, const uint8_t subframe, int *id, int *status);
const int frame, const uint8_t subframe, int *id, int *round);
/* Reported values for uplink power control */
/* Uplink power control management*/
int flexran_get_p0_pucch_dbm(mid_t mod_id, mid_t ue_id, int CC_id);
int flexran_get_p0_nominal_pucch(mid_t mod_id, int CC_id);
int flexran_get_p0_pucch_status(mid_t mod_id, mid_t ue_id, int CC_id);
int flexran_update_p0_pucch(mid_t mod_id, mid_t ue_id, int CC_id);
/*
* ************************************
* Get Messages for UE Configuration Reply
......
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