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Consolidated two 'if' condition in ra procedures for nsa and sa.

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This commit is contained in:
David Kim
2021-11-10 18:18:12 -08:00
parent 5fcea85427
commit d118cbfadc
2 changed files with 11 additions and 7 deletions
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executables/nr-ue.c
-1
View File
@@ -364,7 +364,6 @@ static void check_nr_prach(NR_UE_MAC_INST_t *mac, nr_uplink_indication_t *ul_inf
if (nr_prach == 1)
{
L1_nsa_prach_procedures(ul_info->frame_tx, ul_info->slot_tx, prach_pdu);
mac->ra.generate_nr_prach = GENERATE_PREAMBLE;
ul_config->number_pdus = 0;
ul_info->ue_sched_mode = SCHED_ALL;
}
openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c
+11 -6
View File
@@ -708,7 +708,6 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
uint8_t mac_ce[16] = {0};
uint8_t *pdu = get_softmodem_params()->sa ? mac->CCCH_pdu.payload : mac_ce;
uint8_t *payload = pdu;
unsigned short post_padding = 1;
// Concerning the C-RNTI MAC CE, it has to be included if the UL transmission (Msg3) is not being made for the CCCH logical channel.
// Therefore it has been assumed that this event only occurs only when RA is done and it is not SA mode.
@@ -749,6 +748,7 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
int TBS_bytes = 848;
int mac_ce_len = 0;
int header_length_total=0;
unsigned short post_padding = 1;
// fill ulsch_buffer with random data
for (int i = 0; i < TBS_bytes; i++){
@@ -773,7 +773,7 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
}
if (size_sdu > 0 && ra->generate_nr_prach == GENERATE_PREAMBLE) {
if (size_sdu > 0 && (ra->generate_nr_prach == GENERATE_PREAMBLE || get_softmodem_params()->nsa)) {
LOG_D(NR_MAC, "In %s: [UE %d][%d.%d]: starting initialisation Random Access Procedure...\n", __FUNCTION__, mod_id, frame, nr_slot_tx);
@@ -781,10 +781,11 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
init_RA(mod_id, prach_resources, setup, rach_ConfigGeneric, rach_ConfigDedicated);
nr_get_RA_window(mac);
// Fill in preamble and PRACH resources
nr_get_prach_resources(mod_id, CC_id, gNB_id, prach_resources, prach_pdu, rach_ConfigDedicated);
if (ra->generate_nr_prach == GENERATE_PREAMBLE)
nr_get_prach_resources(mod_id, CC_id, gNB_id, prach_resources, prach_pdu, rach_ConfigDedicated);
// Padding: fill remainder with 0
if (TBS_max - ra->Msg3_size > 0 && get_softmodem_params()->sa) {
if (TBS_max - ra->Msg3_size > 0) {
AssertFatal(TBS_max > ra->Msg3_size, "In %s: allocated resources are not enough for Msg3!\n", __FUNCTION__);
LOG_D(NR_MAC, "In %s: remaining %d bytes, filling with padding\n", __FUNCTION__, TBS_max - ra->Msg3_size);
((NR_MAC_SUBHEADER_FIXED *) pdu)->R = 0;
@@ -804,9 +805,13 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
// Msg3 was initialized with TBS_max bytes because the RA_Msg3_size will only be known after
// receiving Msg2 (which contains the Msg3 resource reserve).
// Msg3 will be transmitted with RA_Msg3_size bytes, removing unnecessary 0s.
mac->ulsch_pdu.Pdu_size = TBS_max;
memcpy(mac->ulsch_pdu.payload, payload, TBS_max);
if (!get_softmodem_params()->nsa) {
mac->ulsch_pdu.Pdu_size = TBS_max;
memcpy(mac->ulsch_pdu.payload, payload, TBS_max);
}
} else {
return 0;
}
} else if (ra->RA_window_cnt != -1) { // RACH is active