SCF222.10.02: PDUsize in DL_TTI.request is 4 bytes

SCF 222.10.02, Table 3-35: the PDUSize parameter of a DL_TTI.request PDU
includes the 4 bytes required for PDUType and PDUSize parameters (each 2
bytes), not 2.

This is required for the Aerial interoperability.

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c

@@ -412,7 +412,7 @@ static void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
   nfapi_nr_dl_tti_request_pdu_t *dl_tti_pdcch_pdu = &dl_req->dl_tti_pdu_list[dl_req->nPDUs];
   memset((void*)dl_tti_pdcch_pdu,0,sizeof(nfapi_nr_dl_tti_request_pdu_t));
   dl_tti_pdcch_pdu->PDUType = NFAPI_NR_DL_TTI_PDCCH_PDU_TYPE;
-  dl_tti_pdcch_pdu->PDUSize = (uint8_t)(2+sizeof(nfapi_nr_dl_tti_pdcch_pdu));
+  dl_tti_pdcch_pdu->PDUSize = (uint16_t)(4+sizeof(nfapi_nr_dl_tti_pdcch_pdu));
   dl_req->nPDUs += 1;
   nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_rel15 = &dl_tti_pdcch_pdu->pdcch_pdu.pdcch_pdu_rel15;
   nr_configure_pdcch(pdcch_pdu_rel15,
@@ -422,7 +422,7 @@ static void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
   nfapi_nr_dl_tti_request_pdu_t *dl_tti_pdsch_pdu = &dl_req->dl_tti_pdu_list[dl_req->nPDUs];
   memset((void*)dl_tti_pdsch_pdu,0,sizeof(nfapi_nr_dl_tti_request_pdu_t));
   dl_tti_pdsch_pdu->PDUType = NFAPI_NR_DL_TTI_PDSCH_PDU_TYPE;
-  dl_tti_pdsch_pdu->PDUSize = (uint8_t)(2+sizeof(nfapi_nr_dl_tti_pdsch_pdu));
+  dl_tti_pdsch_pdu->PDUSize = (uint16_t)(4+sizeof(nfapi_nr_dl_tti_pdsch_pdu));
   dl_req->nPDUs += 1;
   nfapi_nr_dl_tti_pdsch_pdu_rel15_t *pdsch_pdu_rel15 = &dl_tti_pdsch_pdu->pdsch_pdu.pdsch_pdu_rel15;