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Only filtering tx_requests if RAR has been rx'd

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But, we are not going to process the tx_request
unless we are waiting for the RAR OR if the RNTI
from the previous DCI matches.
This commit is contained in:
Melissa Elkadi
2021-09-15 15:32:17 -07:00
parent 54e231bfeb
commit 5ae3c8914a
1 changed files with 8 additions and 2 deletions
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openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c
+8 -2
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@@ -257,7 +257,8 @@ static void copy_dl_tti_req_to_dl_info(nr_downlink_indication_t *dl_info, nfapi_
dl_info->dci_ind = CALLOC(1, sizeof(fapi_nr_dci_indication_t));
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");
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];
@@ -492,7 +493,12 @@ static void check_and_process_dci(nfapi_nr_dl_tti_request_t *dl_tti_request,
LOG_I(NR_PHY, "[%d, %d] dl_tti_request\n", frame, slot);
copy_dl_tti_req_to_dl_info(&mac->dl_info, dl_tti_request);
}
else if (tx_data_request && (mac->expected_dci || mac->ra.ra_state <= WAIT_RAR))
/* This checks if the previously recevied DCI matches our current RNTI
value. The assumption is that if the DCI matches our RNTI, then the
incoming tx_data_request is also destined for the current UE. If the
RAR hasn't been processed yet, we do not want to be filtering the
tx_data_requests. */
else if (tx_data_request && (mac->expected_dci || mac->ra.ra_state == WAIT_RAR))
{
frame = tx_data_request->SFN;
slot = tx_data_request->Slot;