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Filtering DCI PDUs by RNTI in NR UE

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This commit is contained in:
Melissa Elkadi
2021-09-09 14:47:58 -07:00
parent 3df849eca2
commit a34856ba38
1 changed files with 22 additions and 9 deletions
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openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c
+22 -9
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@@ -209,8 +209,26 @@ void send_nsa_standalone_msg(NR_UL_IND_t *UL_INFO, uint16_t msg_id)
}
}
static void fill_dl_info_with_pdcch(fapi_nr_dci_indication_t *dci, nfapi_nr_dl_dci_pdu_t *rx_dci, int idx)
{
int num_bytes = (rx_dci->PayloadSizeBits + 7) / 8;
LOG_I(NR_PHY, "[%d, %d] PDCCH DCI (Payload) for rnti %x with PayloadSizeBits %d, num_bytes %d\n",
dci->SFN, dci->slot, rx_dci->RNTI, rx_dci->PayloadSizeBits, num_bytes);
for (int k = 0; k < num_bytes; k++)
{
LOG_I(NR_MAC, "PDCCH DCI PDU payload[%d] = %d\n", k, rx_dci->Payload[k]);
dci->dci_list[idx].payloadBits[k] = rx_dci->Payload[k];
}
dci->dci_list[idx].payloadSize = rx_dci->PayloadSizeBits;
dci->dci_list[idx].rnti = rx_dci->RNTI;
dci->number_of_dcis = idx + 1;
}
static void copy_dl_tti_req_to_dl_info(nr_downlink_indication_t *dl_info, nfapi_nr_dl_tti_request_t *dl_tti_request)
{
NR_UE_MAC_INST_t *mac = get_mac_inst(dl_info->module_id);
int pdu_idx = 0;
int num_pdus = dl_tti_request->dl_tti_request_body.nPDUs;
if (num_pdus <= 0)
{
@@ -235,23 +253,18 @@ static void copy_dl_tti_req_to_dl_info(nr_downlink_indication_t *dl_info, nfapi_
if (num_dcis > 0)
{
dl_info->dci_ind = CALLOC(1, sizeof(fapi_nr_dci_indication_t));
dl_info->dci_ind->number_of_dcis = num_dcis;
dl_info->dci_ind->SFN = dl_tti_request->SFN;
dl_info->dci_ind->slot = dl_tti_request->Slot;
AssertFatal(num_dcis < sizeof(dl_info->dci_ind->dci_list) / sizeof(dl_info->dci_ind->dci_list[0]), "The number of DCIs is greater than dci_list");
for (int j = 0; j < num_dcis; j++)
{
nfapi_nr_dl_dci_pdu_t *dci_pdu_list = &pdu_list->pdcch_pdu.pdcch_pdu_rel15.dci_pdu[j];
int num_bytes = (dci_pdu_list->PayloadSizeBits + 7) / 8;
LOG_I(NR_PHY, "[%d, %d] PDCCH DCI (Payload) for rnti %x with PayloadSizeBits %d, num_bytes %d\n",
dl_tti_request->SFN, dl_tti_request->Slot, dci_pdu_list->RNTI, dci_pdu_list->PayloadSizeBits, num_bytes);
for (int k = 0; k < num_bytes; k++)
if (dci_pdu_list->RNTI != mac->crnti)
{
LOG_I(NR_MAC, "PDCCH DCI PDU payload[%d] = %d\n", k, dci_pdu_list->Payload[k]);
dl_info->dci_ind->dci_list[j].payloadBits[k] = dci_pdu_list->Payload[k];
continue;
}
dl_info->dci_ind->dci_list[j].payloadSize = dci_pdu_list->PayloadSizeBits;
dl_info->dci_ind->dci_list[j].rnti = dci_pdu_list->RNTI;
fill_dl_info_with_pdcch(dl_info->dci_ind, dci_pdu_list, pdu_idx);
pdu_idx++;
}
}
}