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Fix process_slot_tx_barriers for high rx-to-tx values

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Set the number of barriers to 512 and implement proper slot and frame
based selection. Now the dynamic barriers should not be overwritten in
case the rx-to-tx offset is high. The maximum offset supported is 512.
This commit is contained in:
Bartosz Podrygajlo
2024-12-11 13:01:50 +02:00
committed by Roberto Rosca
parent 0b1dd3ed50
commit fc26b8c053
3 changed files with 28 additions and 15 deletions
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executables/nr-ue.c
+9 -8
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@@ -553,8 +553,8 @@ void processSlotTX(void *arg)
int slots_per_frame = (UE->sl_mode == 2) ? UE->SL_UE_PHY_PARAMS.sl_frame_params.slots_per_frame
: UE->frame_parms.slots_per_frame;
int next_slot = (proc->nr_slot_tx + 1 + proc->nr_slot_tx_offset) % slots_per_frame;
dynamic_barrier_join(&UE->process_slot_tx_barriers[next_slot]);
int next_slot_and_frame = proc->nr_slot_tx + 1 + proc->nr_slot_tx_offset + proc->frame_tx * slots_per_frame;
dynamic_barrier_join(&UE->process_slot_tx_barriers[next_slot_and_frame % NUM_PROCESS_SLOT_TX_BARRIERS]);
RU_write(rxtxD, sl_tx_action);
free(rxtxD);
TracyCZoneEnd(ctx);
@@ -810,8 +810,7 @@ void *UE_thread(void *arg)
int absolute_slot = 0, decoded_frame_rx = MAX_FRAME_NUMBER - 1, trashed_frames = 0;
int tx_wait_for_dlsch[NR_MAX_SLOTS_PER_FRAME];
int num_ind_fifo = nb_slot_frame;
for(int i = 0; i < num_ind_fifo; i++) {
for(int i = 0; i < NUM_PROCESS_SLOT_TX_BARRIERS; i++) {
dynamic_barrier_init(&UE->process_slot_tx_barriers[i]);
}
int shiftForNextFrame = 0;
@@ -822,7 +821,7 @@ void *UE_thread(void *arg)
if (get_softmodem_params()->sync_ref && UE->sl_mode == 2) {
UE->is_synchronized = 1;
} else {
//warm up the RF board
//warm up the RF board
int64_t tmp;
for (int i = 0; i < 50; i++)
readFrame(UE, &tmp, true);
@@ -934,7 +933,7 @@ void *UE_thread(void *arg)
}
// We have resynchronized, maybe after RF loss so we need to purge any existing context
memset(tx_wait_for_dlsch, 0, sizeof(tx_wait_for_dlsch));
for (int i = 0; i < num_ind_fifo; i++) {
for (int i = 0; i < NUM_PROCESS_SLOT_TX_BARRIERS; i++) {
dynamic_barrier_reset(&UE->process_slot_tx_barriers[i]);
}
continue;
@@ -957,7 +956,7 @@ void *UE_thread(void *arg)
if (UE->ntn_config_message->update) {
UE->ntn_config_message->update = false;
update_ntn_system_information = true;
nr_slot_tx_offset = UE->ntn_config_message->ntn_config_params.cell_specific_k_offset % nb_slot_frame;
nr_slot_tx_offset = UE->ntn_config_message->ntn_config_params.cell_specific_k_offset;
}
int slot_nr = absolute_slot % nb_slot_frame;
@@ -1054,7 +1053,9 @@ void *UE_thread(void *arg)
int sync_to_previous_thread = stream_status == STREAM_STATUS_SYNCED ? 1 : 0;
int slot = curMsgTx->proc.nr_slot_tx;
dynamic_barrier_update(&UE->process_slot_tx_barriers[slot],
int slot_and_frame = slot + curMsgTx->proc.frame_tx * UE->frame_parms.slots_per_frame;
dynamic_barrier_update(&UE->process_slot_tx_barriers[slot_and_frame % NUM_PROCESS_SLOT_TX_BARRIERS],
tx_wait_for_dlsch[slot] + sync_to_previous_thread,
start_process_slot_tx,
curMsgTx);