Commit 8ec4be0b authored by Robert Schmidt's avatar Robert Schmidt

Save TB in MAC, transmit TX_req also on retx

parent c65b14c1
......@@ -805,7 +805,7 @@ void nr_schedule_ue_spec(module_id_t module_id,
retInfo->mcs,
retInfo->numDmrsCdmGrpsNoData);
/* we do not have to do anything, since we do not require to get data
* from RLC, encode MAC CEs, or copy data to FAPI structures */
* from RLC or encode MAC CEs. The TX_req structure is filled below */
LOG_W(MAC,
"%d.%2d DL retransmission UE %d/RNTI %04x HARQ PID %d round %d NDI %d\n",
frame,
......@@ -815,20 +815,16 @@ void nr_schedule_ue_spec(module_id_t module_id,
current_harq_pid,
harq->round,
harq->ndi);
AssertFatal(harq->tb_size == TBS,
"UE %d mismatch between scheduled TBS and buffered TB for HARQ PID %d\n",
UE_id,
current_harq_pid);
} else { /* initial transmission */
LOG_D(MAC, "[%s] Initial HARQ transmission in %d.%d\n", __FUNCTION__, frame, slot);
const int ntx_req = gNB_mac->TX_req[CC_id].Number_of_PDUs;
nfapi_nr_pdu_t *tx_req = &gNB_mac->TX_req[CC_id].pdu_list[ntx_req];
tx_req->PDU_length = TBS;
tx_req->PDU_index = pduindex;
tx_req->num_TLV = 1;
tx_req->TLVs[0].length = TBS + 2;
/* pointer to directly generate the PDU into the nFAPI structure */
uint8_t *buf = (uint8_t *) tx_req->TLVs[0].value.direct;
gNB_mac->TX_req[CC_id].Number_of_PDUs++;
gNB_mac->TX_req[CC_id].SFN = frame;
gNB_mac->TX_req[CC_id].Slot = slot;
harq->tb_size = TBS;
uint8_t *buf = (uint8_t *) harq->tb;
/* first, write all CEs that might be there */
int written = nr_write_ce_dlsch_pdu(module_id,
......@@ -952,9 +948,20 @@ void nr_schedule_ue_spec(module_id_t module_id,
}
T(T_GNB_MAC_DL_PDU_WITH_DATA, T_INT(module_id), T_INT(CC_id), T_INT(rnti),
T_INT(frame), T_INT(slot), T_INT(current_harq_pid), T_BUFFER(buf, TBS));
T_INT(frame), T_INT(slot), T_INT(current_harq_pid), T_BUFFER(harq->tb, TBS));
}
const int ntx_req = gNB_mac->TX_req[CC_id].Number_of_PDUs;
nfapi_nr_pdu_t *tx_req = &gNB_mac->TX_req[CC_id].pdu_list[ntx_req];
tx_req->PDU_length = TBS;
tx_req->PDU_index = pduindex;
tx_req->num_TLV = 1;
tx_req->TLVs[0].length = TBS + 2;
memcpy(tx_req->TLVs[0].value.direct, harq->tb, TBS);
gNB_mac->TX_req[CC_id].Number_of_PDUs++;
gNB_mac->TX_req[CC_id].SFN = frame;
gNB_mac->TX_req[CC_id].Slot = slot;
/* mark UE as scheduled */
sched_ctrl->rbSize = 0;
}
......
......@@ -346,6 +346,10 @@ typedef struct NR_UE_harq {
uint8_t ndi;
uint8_t round;
uint16_t feedback_slot;
/* Transport block to be sent using this HARQ process */
uint32_t tb[16384];
uint32_t tb_size;
} NR_UE_harq_t;
typedef struct NR_UE_old_sched {
......
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