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Commit fb166fb1 authored by francescomani's avatar francescomani
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avoid global prach_assoc_pattern

parent f918be96
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Showing with 64 additions and 66 deletions
openair2/LAYER2/NR_MAC_UE/mac_defs.h
View file @ fb166fb1
......@@ -462,6 +462,7 @@ typedef struct {
struct NR_SI_SchedulingInfo *si_SchedulingInfo;
int si_window_start;
ssb_list_info_t ssb_list;
prach_association_pattern_t prach_assoc_pattern;
NR_UE_ServingCell_Info_t sc_info;
A_SEQUENCE_OF(NR_UE_DL_BWP_t) dl_BWPs;
......
openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c
View file @ fb166fb1
......@@ -57,7 +57,6 @@
//#define SRS_DEBUG
static prach_association_pattern_t prach_assoc_pattern;
static void nr_ue_prach_scheduler(module_id_t module_idP, frame_t frameP, sub_frame_t slotP);
void fill_ul_config(fapi_nr_ul_config_request_t *ul_config, frame_t frame_tx, int slot_tx, uint8_t pdu_type)
......@@ -1492,8 +1491,8 @@ int nr_ue_pusch_scheduler(NR_UE_MAC_INST_t *mac, uint8_t is_Msg3, frame_t curren
}
// Build the list of all the valid RACH occasions in the maximum association pattern period according to the PRACH config
static void build_ro_list(NR_UE_MAC_INST_t *mac) {
static void build_ro_list(NR_UE_MAC_INST_t *mac)
{
int x,y; // PRACH Configuration Index table variables used to compute the valid frame numbers
int y2; // PRACH Configuration Index table additional variable used to compute the valid frame numbers
uint8_t slot_shift_for_map;
......@@ -1504,7 +1503,6 @@ static void build_ro_list(NR_UE_MAC_INST_t *mac) {
uint8_t N_t_slot; // Number of PRACH occasions in a 14-symbols PRACH slot
uint8_t N_dur; // Duration of a PRACH occasion (nb of symbols)
uint8_t frame; // Maximum is NB_FRAMES_IN_MAX_ASSOCIATION_PATTERN_PERIOD
uint8_t slot; // Maximum is the number of slots in a frame @ SCS 240kHz
uint16_t format = 0xffff;
uint8_t format2 = 0xff;
int nb_fdm;
......@@ -1512,9 +1510,7 @@ static void build_ro_list(NR_UE_MAC_INST_t *mac) {
uint8_t config_index;
int msg1_FDM;
uint8_t prach_conf_period_idx;
uint8_t nb_of_frames_per_prach_conf_period;
uint8_t prach_conf_period_frame_idx;
NR_RACH_ConfigCommon_t *setup = mac->current_UL_BWP->rach_ConfigCommon;
NR_RACH_ConfigGeneric_t *rach_ConfigGeneric = &setup->rach_ConfigGeneric;
......@@ -1595,71 +1591,71 @@ static void build_ro_list(NR_UE_MAC_INST_t *mac) {
even_slot_invalid = false;
} // FR2 / FR1
prach_assoc_pattern.nb_of_prach_conf_period_in_max_period = MAX_NB_PRACH_CONF_PERIOD_IN_ASSOCIATION_PATTERN_PERIOD / x;
prach_association_pattern_t *prach_assoc_pattern = &mac->prach_assoc_pattern;
prach_assoc_pattern->nb_of_prach_conf_period_in_max_period = MAX_NB_PRACH_CONF_PERIOD_IN_ASSOCIATION_PATTERN_PERIOD / x;
nb_of_frames_per_prach_conf_period = x;
LOG_D(NR_MAC,"nb_of_prach_conf_period_in_max_period %d\n", prach_assoc_pattern.nb_of_prach_conf_period_in_max_period);
LOG_D(NR_MAC,"nb_of_prach_conf_period_in_max_period %d\n", prach_assoc_pattern->nb_of_prach_conf_period_in_max_period);
// Fill in the PRACH occasions table for every slot in every frame in every PRACH configuration periods in the maximum association pattern period
// ----------------------------------------------------------------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------------------------------------------------------------
// For every PRACH configuration periods
// -------------------------------------
for (prach_conf_period_idx=0; prach_conf_period_idx<prach_assoc_pattern.nb_of_prach_conf_period_in_max_period; prach_conf_period_idx++) {
prach_assoc_pattern.prach_conf_period_list[prach_conf_period_idx].nb_of_prach_occasion = 0;
prach_assoc_pattern.prach_conf_period_list[prach_conf_period_idx].nb_of_frame = nb_of_frames_per_prach_conf_period;
prach_assoc_pattern.prach_conf_period_list[prach_conf_period_idx].nb_of_slot = nr_slots_per_frame[mu];
for (int period_idx = 0; period_idx < prach_assoc_pattern->nb_of_prach_conf_period_in_max_period; period_idx++) {
prach_conf_period_t *prach_conf_period_list = &prach_assoc_pattern->prach_conf_period_list[period_idx];
prach_conf_period_list->nb_of_prach_occasion = 0;
prach_conf_period_list->nb_of_frame = nb_of_frames_per_prach_conf_period;
prach_conf_period_list->nb_of_slot = nr_slots_per_frame[mu];
LOG_D(NR_MAC,"PRACH Conf Period Idx %d\n", prach_conf_period_idx);
LOG_D(NR_MAC,"PRACH Conf Period Idx %d\n", period_idx);
// For every frames in a PRACH configuration period
// ------------------------------------------------
for (prach_conf_period_frame_idx=0; prach_conf_period_frame_idx<nb_of_frames_per_prach_conf_period; prach_conf_period_frame_idx++) {
frame = (prach_conf_period_idx * nb_of_frames_per_prach_conf_period) + prach_conf_period_frame_idx;
for (int frame_idx = 0; frame_idx < nb_of_frames_per_prach_conf_period; frame_idx++) {
frame = (period_idx * nb_of_frames_per_prach_conf_period) + frame_idx;
LOG_D(NR_MAC,"PRACH Conf Period Frame Idx %d - Frame %d\n", prach_conf_period_frame_idx, frame);
LOG_D(NR_MAC,"PRACH Conf Period Frame Idx %d - Frame %d\n", frame_idx, frame);
// Is it a valid frame for this PRACH configuration index? (n_sfn mod x = y)
if ( (frame%x)==y || (frame%x)==y2 ) {
if ((frame%x)==y || (frame%x)==y2) {
// For every slot in a frame
// -------------------------
for (slot=0; slot<nr_slots_per_frame[mu]; slot++) {
for (int slot = 0; slot < nr_slots_per_frame[mu]; slot++) {
// Is it a valid slot?
map_shift = slot >> slot_shift_for_map; // in PRACH configuration index table slots are numbered wrt 60kHz
if ( (s_map>>map_shift)&0x01 ) {
if ((s_map>>map_shift) & 0x01) {
// Valid slot
// Additionally, for 30kHz/120kHz, we must check for the n_RA_Slot param also
if ( even_slot_invalid && (slot%2 == 0) )
continue; // no prach in even slots @ 30kHz/120kHz for 1 prach per 60khz slot/subframe
if (even_slot_invalid && (slot%2 == 0))
continue; // no prach in even slots @ 30kHz/120kHz for 1 prach per 60khz slot/subframe
// We're good: valid frame and valid slot
// Compute all the PRACH occasions in the slot
uint8_t n_prach_occ_in_time;
uint8_t n_prach_occ_in_freq;
prach_occasion_slot_t *slot_map = &prach_conf_period_list->prach_occasion_slot_map[frame_idx][slot];
slot_map->nb_of_prach_occasion_in_time = N_t_slot;
slot_map->nb_of_prach_occasion_in_freq = nb_fdm;
prach_assoc_pattern.prach_conf_period_list[prach_conf_period_idx].prach_occasion_slot_map[prach_conf_period_frame_idx][slot].nb_of_prach_occasion_in_time = N_t_slot;
prach_assoc_pattern.prach_conf_period_list[prach_conf_period_idx].prach_occasion_slot_map[prach_conf_period_frame_idx][slot].nb_of_prach_occasion_in_freq = nb_fdm;
for (n_prach_occ_in_time=0; n_prach_occ_in_time<N_t_slot; n_prach_occ_in_time++) {
for (int n_prach_occ_in_time = 0; n_prach_occ_in_time < N_t_slot; n_prach_occ_in_time++) {
uint8_t start_symbol = prach_conf_start_symbol + n_prach_occ_in_time * N_dur;
LOG_D(NR_MAC,"PRACH Occ in time %d\n", n_prach_occ_in_time);
for (n_prach_occ_in_freq=0; n_prach_occ_in_freq<nb_fdm; n_prach_occ_in_freq++) {
prach_occasion_info_t *prach_occasion_p = &prach_assoc_pattern.prach_conf_period_list[prach_conf_period_idx].prach_occasion_slot_map[prach_conf_period_frame_idx][slot].prach_occasion[n_prach_occ_in_time][n_prach_occ_in_freq];
for (int n_prach_occ_in_freq = 0; n_prach_occ_in_freq < nb_fdm; n_prach_occ_in_freq++) {
prach_occasion_info_t *prach_occasion_p = &slot_map->prach_occasion[n_prach_occ_in_time][n_prach_occ_in_freq];
prach_occasion_p->start_symbol = start_symbol;
prach_occasion_p->fdm = n_prach_occ_in_freq;
prach_occasion_p->frame = frame;
prach_occasion_p->slot = slot;
prach_occasion_p->format = format;
prach_assoc_pattern.prach_conf_period_list[prach_conf_period_idx].nb_of_prach_occasion++;
prach_assoc_pattern->prach_conf_period_list[period_idx].nb_of_prach_occasion++;
LOG_D(NR_MAC,"Adding a PRACH occasion: frame %u, slot-symbol %d-%d, occ_in_time-occ_in-freq %d-%d, nb ROs in conf period %d, for this slot: RO# in time %d, RO# in freq %d\n",
frame, slot, start_symbol, n_prach_occ_in_time, n_prach_occ_in_freq, prach_assoc_pattern.prach_conf_period_list[prach_conf_period_idx].nb_of_prach_occasion,
prach_assoc_pattern.prach_conf_period_list[prach_conf_period_idx].prach_occasion_slot_map[prach_conf_period_frame_idx][slot].nb_of_prach_occasion_in_time,
prach_assoc_pattern.prach_conf_period_list[prach_conf_period_idx].prach_occasion_slot_map[prach_conf_period_frame_idx][slot].nb_of_prach_occasion_in_freq);
frame, slot, start_symbol, n_prach_occ_in_time, n_prach_occ_in_freq, prach_conf_period_list->nb_of_prach_occasion,
slot_map->nb_of_prach_occasion_in_time,
slot_map->nb_of_prach_occasion_in_freq);
} // For every freq in the slot
} // For every time occasions in the slot
} // Valid slot?
......@@ -1759,50 +1755,50 @@ static void map_ssb_to_ro(NR_UE_MAC_INST_t *mac)
required_nb_of_prach_occasion = mac->ssb_list.nb_tx_ssb * ssb_rach_ratio;
}
AssertFatal(prach_assoc_pattern.prach_conf_period_list[0].nb_of_prach_occasion>0,
prach_association_pattern_t *prach_assoc_pattern = &mac->prach_assoc_pattern;
prach_association_period_t *prach_association_period_list = &prach_assoc_pattern->prach_association_period_list[0];
AssertFatal(prach_assoc_pattern->prach_conf_period_list[0].nb_of_prach_occasion > 0,
"prach_assoc_pattern.prach_conf_period_list[0].nb_of_prach_occasion shouldn't be 0 (ssb_list.nb_tx_ssb %d, ssb_rach_ratio %d\n",
mac->ssb_list.nb_tx_ssb,ssb_rach_ratio);
required_nb_of_prach_conf_period = ((required_nb_of_prach_occasion-1) + prach_assoc_pattern.prach_conf_period_list[0].nb_of_prach_occasion) /
prach_assoc_pattern.prach_conf_period_list[0].nb_of_prach_occasion;
required_nb_of_prach_conf_period = ((required_nb_of_prach_occasion-1) + prach_assoc_pattern->prach_conf_period_list[0].nb_of_prach_occasion) /
prach_assoc_pattern->prach_conf_period_list[0].nb_of_prach_occasion;
if (required_nb_of_prach_conf_period == 1) {
prach_assoc_pattern.prach_association_period_list[0].nb_of_prach_conf_period = 1;
prach_association_period_list->nb_of_prach_conf_period = 1;
}
else if (required_nb_of_prach_conf_period == 2) {
prach_assoc_pattern.prach_association_period_list[0].nb_of_prach_conf_period = 2;
prach_association_period_list->nb_of_prach_conf_period = 2;
}
else if (required_nb_of_prach_conf_period <= 4) {
prach_assoc_pattern.prach_association_period_list[0].nb_of_prach_conf_period = 4;
prach_association_period_list->nb_of_prach_conf_period = 4;
}
else if (required_nb_of_prach_conf_period <= 8) {
prach_assoc_pattern.prach_association_period_list[0].nb_of_prach_conf_period = 8;
prach_association_period_list->nb_of_prach_conf_period = 8;
}
else if (required_nb_of_prach_conf_period <= 16) {
prach_assoc_pattern.prach_association_period_list[0].nb_of_prach_conf_period = 16;
prach_association_period_list->nb_of_prach_conf_period = 16;
}
else {
AssertFatal(1 == 0, "Invalid number of PRACH config periods within an association period %d\n", required_nb_of_prach_conf_period);
}
prach_assoc_pattern.nb_of_assoc_period = 1; // WIP: only one possible association period
prach_assoc_pattern.prach_association_period_list[0].nb_of_frame = prach_assoc_pattern.prach_association_period_list[0].nb_of_prach_conf_period * prach_assoc_pattern.prach_conf_period_list[0].nb_of_frame;
prach_assoc_pattern.nb_of_frame = prach_assoc_pattern.prach_association_period_list[0].nb_of_frame;
prach_assoc_pattern->nb_of_assoc_period = 1; // WIP: only one possible association period
prach_association_period_list->nb_of_frame = prach_association_period_list->nb_of_prach_conf_period * prach_assoc_pattern->prach_conf_period_list[0].nb_of_frame;;
prach_assoc_pattern->nb_of_frame = prach_association_period_list->nb_of_frame;
LOG_D(NR_MAC,"Assoc period %d, Nb of frames in assoc period %d\n",
prach_assoc_pattern.prach_association_period_list[0].nb_of_prach_conf_period,
prach_assoc_pattern.prach_association_period_list[0].nb_of_frame);
prach_association_period_list->nb_of_prach_conf_period,
prach_association_period_list->nb_of_frame);
// Proceed to the SSB to RO mapping
// ================================
uint8_t association_period_idx; // Association period index within the association pattern
uint8_t ssb_idx = 0;
uint8_t prach_configuration_period_idx; // PRACH Configuration period index within the association pattern
prach_conf_period_t *prach_conf_period_p;
// Map all the association periods within the association pattern period
LOG_D(NR_MAC,"Proceed to the SSB to RO mapping\n");
for (association_period_idx=0; association_period_idx<prach_assoc_pattern.nb_of_assoc_period; association_period_idx++) {
uint8_t n_prach_conf=0; // PRACH Configuration period index within the association period
for (int association_period_idx = 0; association_period_idx < prach_assoc_pattern->nb_of_assoc_period; association_period_idx++) {
uint8_t frame=0;
uint8_t slot=0;
uint8_t ro_in_time=0;
......@@ -1824,10 +1820,11 @@ static void map_ssb_to_ro(NR_UE_MAC_INST_t *mac)
ssb_idx = 0;
// Go through the list of PRACH config periods within this association period
for (n_prach_conf=0; n_prach_conf<prach_assoc_pattern.prach_association_period_list[association_period_idx].nb_of_prach_conf_period; n_prach_conf++, prach_configuration_period_idx++) {
prach_association_period_list = &prach_assoc_pattern->prach_association_period_list[association_period_idx];
for (int n_prach_conf=0; n_prach_conf < prach_association_period_list->nb_of_prach_conf_period; n_prach_conf++, prach_configuration_period_idx++) {
// Build the association period with its association PRACH Configuration indexes
prach_conf_period_p = &prach_assoc_pattern.prach_conf_period_list[prach_configuration_period_idx];
prach_assoc_pattern.prach_association_period_list[association_period_idx].prach_conf_period_list[n_prach_conf] = prach_conf_period_p;
prach_conf_period_p = &prach_assoc_pattern->prach_conf_period_list[prach_configuration_period_idx];
prach_association_period_list->prach_conf_period_list[n_prach_conf] = prach_conf_period_p;
// Go through all the ROs within the PRACH config period
for (frame=0; frame<prach_conf_period_p->nb_of_frame; frame++) {
......@@ -1895,8 +1892,6 @@ static void map_ssb_to_ro(NR_UE_MAC_INST_t *mac)
// --------------------
// --------------------
n_prach_conf = 0;
// Go through the list of transmitted SSBs
for (ssb_idx=0; ssb_idx<MAX_NB_SSB; ssb_idx++) {
uint8_t nb_mapped_ro_in_association_period=0; // Reset the nb of mapped ROs for the new SSB index
......@@ -1908,11 +1903,11 @@ static void map_ssb_to_ro(NR_UE_MAC_INST_t *mac)
// Map all the required ROs to this SSB
// Go through the list of PRACH config periods within this association period
for (; n_prach_conf<prach_assoc_pattern.prach_association_period_list[association_period_idx].nb_of_prach_conf_period; n_prach_conf++, prach_configuration_period_idx++) {
for (int n_prach_conf = 0; n_prach_conf<prach_assoc_pattern->prach_association_period_list[association_period_idx].nb_of_prach_conf_period; n_prach_conf++, prach_configuration_period_idx++) {
// Build the association period with its association PRACH Configuration indexes
prach_conf_period_p = &prach_assoc_pattern.prach_conf_period_list[prach_configuration_period_idx];
prach_assoc_pattern.prach_association_period_list[association_period_idx].prach_conf_period_list[n_prach_conf] = prach_conf_period_p;
prach_conf_period_p = &prach_assoc_pattern->prach_conf_period_list[prach_configuration_period_idx];
prach_assoc_pattern->prach_association_period_list[association_period_idx].prach_conf_period_list[n_prach_conf] = prach_conf_period_p;
for (; frame<prach_conf_period_p->nb_of_frame; frame++) {
for (; slot<prach_conf_period_p->nb_of_slot; slot++) {
......@@ -1980,7 +1975,8 @@ static void map_ssb_to_ro(NR_UE_MAC_INST_t *mac)
}
// Returns a RACH occasion if any matches the SSB idx, the frame and the slot
static int get_nr_prach_info_from_ssb_index(uint8_t ssb_idx,
static int get_nr_prach_info_from_ssb_index(prach_association_pattern_t *prach_assoc_pattern,
uint8_t ssb_idx,
int frame,
int slot,
ssb_list_info_t *ssb_list,
......@@ -1999,14 +1995,14 @@ static int get_nr_prach_info_from_ssb_index(uint8_t ssb_idx,
ssb_info_p = &ssb_list->tx_ssb[ssb_idx];
LOG_D(NR_MAC, "checking for prach : ssb_info_p->nb_mapped_ro %d\n", ssb_info_p->nb_mapped_ro);
for (uint8_t n_mapped_ro=0; n_mapped_ro<ssb_info_p->nb_mapped_ro; n_mapped_ro++) {
LOG_D(NR_MAC,"%d.%d: mapped_ro[%d]->frame.slot %d.%d, prach_assoc_pattern.nb_of_frame %d\n",
frame,slot,n_mapped_ro,ssb_info_p->mapped_ro[n_mapped_ro]->frame,ssb_info_p->mapped_ro[n_mapped_ro]->slot,prach_assoc_pattern.nb_of_frame);
LOG_D(NR_MAC,"%d.%d: mapped_ro[%d]->frame.slot %d.%d, prach_assoc_pattern->nb_of_frame %d\n",
frame,slot,n_mapped_ro,ssb_info_p->mapped_ro[n_mapped_ro]->frame,ssb_info_p->mapped_ro[n_mapped_ro]->slot,prach_assoc_pattern->nb_of_frame);
if ((slot == ssb_info_p->mapped_ro[n_mapped_ro]->slot) &&
(ssb_info_p->mapped_ro[n_mapped_ro]->frame == (frame % prach_assoc_pattern.nb_of_frame))) {
(ssb_info_p->mapped_ro[n_mapped_ro]->frame == (frame % prach_assoc_pattern->nb_of_frame))) {
uint8_t prach_config_period_nb = ssb_info_p->mapped_ro[n_mapped_ro]->frame / prach_assoc_pattern.prach_conf_period_list[0].nb_of_frame;
uint8_t frame_nb_in_prach_config_period = ssb_info_p->mapped_ro[n_mapped_ro]->frame % prach_assoc_pattern.prach_conf_period_list[0].nb_of_frame;
prach_occasion_slot_p = &prach_assoc_pattern.prach_conf_period_list[prach_config_period_nb].prach_occasion_slot_map[frame_nb_in_prach_config_period][slot];
uint8_t prach_config_period_nb = ssb_info_p->mapped_ro[n_mapped_ro]->frame / prach_assoc_pattern->prach_conf_period_list[0].nb_of_frame;
uint8_t frame_nb_in_prach_config_period = ssb_info_p->mapped_ro[n_mapped_ro]->frame % prach_assoc_pattern->prach_conf_period_list[0].nb_of_frame;
prach_occasion_slot_p = &prach_assoc_pattern->prach_conf_period_list[prach_config_period_nb].prach_occasion_slot_map[frame_nb_in_prach_config_period][slot];
}
}
......@@ -2062,7 +2058,7 @@ static int get_nr_prach_info_from_ssb_index(uint8_t ssb_idx,
void build_ssb_to_ro_map(NR_UE_MAC_INST_t *mac)
{
// Clear all the lists and maps
memset(&prach_assoc_pattern, 0, sizeof(prach_association_pattern_t));
memset(&mac->prach_assoc_pattern, 0, sizeof(prach_association_pattern_t));
memset(&mac->ssb_list, 0, sizeof(ssb_list_info_t));
// Build the list of all the valid RACH occasions in the maximum association pattern period according to the PRACH config
......@@ -2472,7 +2468,8 @@ static void nr_ue_prach_scheduler(module_id_t module_idP, frame_t frameP, sub_fr
// Get any valid PRACH occasion in the current slot for the selected SSB index
prach_occasion_info_t *prach_occasion_info_p;
int is_nr_prach_slot = get_nr_prach_info_from_ssb_index(selected_gnb_ssb_idx,
int is_nr_prach_slot = get_nr_prach_info_from_ssb_index(&mac->prach_assoc_pattern,
selected_gnb_ssb_idx,
(int)frameP,
(int)slotP,
&mac->ssb_list,
......
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