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Commit fa7ace4b authored by Robert Schmidt's avatar Robert Schmidt
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Reimplement dl_config_req_UE_MAC() more concisely

parent 34e79529
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Showing with 120 additions and 140 deletions
openair2/PHY_INTERFACE/phy_stub_UE.c
View file @ fa7ace4b
......@@ -644,154 +644,134 @@ int tx_req_UE_MAC(nfapi_tx_request_t* req)
}
int dl_config_req_UE_MAC(nfapi_dl_config_request_t* req, module_id_t Mod_id) //, nfapi_tx_request_pdu_t* tx_request_pdu_list)
{
//if (req!=NULL && tx_request_pdu_list!=NULL){
int dl_config_req_UE_MAC(nfapi_dl_config_request_t* req, module_id_t Mod_id) {
int sfn = NFAPI_SFNSF2SFN(req->sfn_sf);
int sf = NFAPI_SFNSF2SF(req->sfn_sf);
//Mod_id = 0; // Currently static (only for one UE) but this should change.
/*struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];
L1_rxtx_proc_t *proc = &eNB->proc.L1_proc;*/
nfapi_dl_config_request_pdu_t* dl_config_pdu_list = req->dl_config_request_body.dl_config_pdu_list;
nfapi_dl_config_request_pdu_t *dl_config_pdu_tmp;
//NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() TX:%d/%d RX:%d/%d sfn_sf:%d DCI:%d PDU:%d\n", __FUNCTION__, proc->frame_tx, proc->subframe_tx, proc->frame_rx, proc->subframe_rx, NFAPI_SFNSF2DEC(req->sfn_sf), req->dl_config_request_body.number_dci, req->dl_config_request_body.number_pdu);
//LOG_D(PHY,"NFAPI: Sched_INFO:SFN/SF:%d%d dl_pdu:%d tx_req:%d hi_dci0:%d ul_cfg:%d num_pdcch_symbols:%d\n",
// frame,subframe,number_dl_pdu,TX_req->tx_request_body.number_of_pdus,number_hi_dci0_pdu,number_ul_pdu, eNB->pdcch_vars[subframe&1].num_pdcch_symbols);
for (int i=0;i<req->dl_config_request_body.number_pdu;i++)
{
//NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() sfn/sf:%d PDU[%d] size:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(req->sfn_sf), i, dl_config_pdu_list[i].pdu_size);
//LOG_E(MAC, "dl_config_req_UE_MAC 2 Received real ones: sfn/sf:%d.%d PDU[%d] size:%d\n", sfn, sf, i, dl_config_pdu_list[i].pdu_size);
if (dl_config_pdu_list[i].pdu_type == NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE)
{
if (dl_config_pdu_list[i].dci_dl_pdu.dci_dl_pdu_rel8.rnti_type == 1) {
// C-RNTI (Normal DLSCH case)
dl_config_pdu_tmp = &dl_config_pdu_list[i+1];
if (dl_config_pdu_tmp->pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE && UE_mac_inst[Mod_id].crnti == dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.rnti){
/*nfapi_tx_request_pdu_t *ptr = tx_request_pdu_list;
ptr += dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index*(sizeof(nfapi_tx_request_pdu_t));
nfapi_tx_request_pdu_t temp;
memset(&temp, 0, sizeof(nfapi_tx_request_pdu_t));
//if (!memcmp(&temp, ptr, sizeof(temp)) ...
if( *(char*)ptr != 0){
//if(tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data!= NULL && tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_length >0){
*/
// to avoid unexpected error , add check pdu_index is more than 0.
if((dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index >= 0) &&(dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index <= tx_req_num_elems -1)){
//if(tx_request_pdu_list + dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index!= NULL){
LOG_I(MAC, "dl_config_req_UE_MAC 2 Received data: sfn/sf:%d PDU[%d] size:%d, TX_PDU index: %d, tx_req_num_elems: %d \n", NFAPI_SFNSF2DEC(req->sfn_sf), i, dl_config_pdu_list[i].pdu_size, dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index, tx_req_num_elems);
ue_send_sdu(Mod_id, 0, sfn, sf,
tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data,
tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_length,
0);
i++;
}
else{
LOG_E(MAC,"dl_config_req_UE_MAC 2: Problem with receiving data: sfn/sf:%d PDU[%d] size:%d, TX_PDU index: %d\n", NFAPI_SFNSF2DEC(req->sfn_sf), i, dl_config_pdu_list[i].pdu_size, dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index);
i++;
}
}
else {
LOG_W(MAC,"[UE %d] Frame %d, subframe %d : DLSCH PDU from NFAPI not for this UE \n",Mod_id, sfn,sf);
i++;
}
}
else if (dl_config_pdu_list[i].dci_dl_pdu.dci_dl_pdu_rel8.rnti_type == 2) {
dl_config_pdu_tmp = &dl_config_pdu_list[i+1];
if(dl_config_pdu_tmp->pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE && dl_config_pdu_list[i].dci_dl_pdu.dci_dl_pdu_rel8.rnti == 0xFFFF && UE_mac_inst[Mod_id].UE_mode[0] != NOT_SYNCHED){ //&& UE_mac_inst[Mod_id].UE_mode[0] != NOT_SYNCHED
if(dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index <= tx_req_num_elems -1){
//if(tx_request_pdu_list + dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index!= NULL){
ue_decode_si(Mod_id, 0, sfn, 0,
tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data,
tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_length);
i++;
}
else{
LOG_E(MAC,"dl_config_req_UE_MAC 3: Problem with receiving SI: sfn/sf:%d PDU[%d] size:%d, TX_PDU index: %d\n", NFAPI_SFNSF2DEC(req->sfn_sf), i, dl_config_pdu_list[i].pdu_size, dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index);
i++;
}
}
else if(dl_config_pdu_tmp->pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE && dl_config_pdu_list[i].dci_dl_pdu.dci_dl_pdu_rel8.rnti == 0xFFFE){
// P_RNTI case
//pdu = Tx_req->tx_request_body.tx_pdu_list[dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data;
if (dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index <= tx_req_num_elems -1){
//if(tx_request_pdu_list + dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index!= NULL){
ue_decode_p(Mod_id, 0, sfn, 0,
tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data,
tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_length);
i++;
}
else{
LOG_E(MAC,"dl_config_req_UE_MAC: Problem with receiving Paging: sfn/sf:%d PDU[%d] size:%d, TX_PDU index: %d\n", NFAPI_SFNSF2DEC(req->sfn_sf), i, dl_config_pdu_list[i].pdu_size, dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index);
i++;
}
}
else if(dl_config_pdu_tmp->pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE) {
// RA-RNTI case
LOG_E(MAC,"dl_config_req_UE_MAC 4 Received RAR? \n");
// RNTI parameter not actually used. Provided only to comply with existing function definition.
// Not sure about parameters to fill the preamble index.
//rnti_t c_rnti = UE_mac_inst[Mod_id].crnti;
rnti_t ra_rnti = UE_mac_inst[Mod_id].RA_prach_resources.ra_RNTI;
if ((UE_mac_inst[Mod_id].UE_mode[0] != PUSCH) &&
(UE_mac_inst[Mod_id].RA_prach_resources.Msg3!=NULL) && (ra_rnti== dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.rnti) &&
//(tx_request_pdu_list + dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index!= NULL)) {
(dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index <= tx_req_num_elems -1)) {
LOG_E(MAC,"dl_config_req_UE_MAC 5 Received RAR, PreambleIndex: %d \n", UE_mac_inst[Mod_id].RA_prach_resources.ra_PreambleIndex);
ue_process_rar(Mod_id, 0, sfn,
ra_rnti, //RA-RNTI
tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data,
&dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.rnti, //t-crnti
UE_mac_inst[Mod_id].RA_prach_resources.ra_PreambleIndex,
tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data);
UE_mac_inst[Mod_id].UE_mode[0] = RA_RESPONSE;
UE_mac_inst[Mod_id].first_ULSCH_Tx = 1; //Expecting an UL_CONFIG_ULSCH_PDU to enable Msg3 Txon (first ULSCH Txon for the UE)
}
i++;
}
else {
LOG_E(MAC,"[UE %d] Frame %d, subframe %d : Cannot extract DLSCH PDU from NFAPI 2\n",Mod_id, sfn, sf);
i++;
}
}
}
else if (dl_config_pdu_list[i].pdu_type == NFAPI_DL_CONFIG_BCH_PDU_TYPE)
{
// BCH case
// Last parameter is 1 if first time synchronization and zero otherwise. Not sure which value to put
// for our case.
//LOG_E(MAC,"dl_config_req_UE_MAC 4 Received MIB: sfn/sf: %d.%d \n", sfn, sf);
if(UE_mac_inst[Mod_id].UE_mode[0] == NOT_SYNCHED){
dl_phy_sync_success(Mod_id,sfn,0, 1);
LOG_E(MAC,"dl_config_req_UE_MAC 5 Received MIB: UE_mode: %d, sfn/sf: %d.%d\n", UE_mac_inst[Mod_id].UE_mode[0], sfn, sf);
UE_mac_inst[Mod_id].UE_mode[0]=PRACH;
}
else
dl_phy_sync_success(Mod_id,sfn,0, 0);
}
else
{
//NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() UNKNOWN:%d\n", __FUNCTION__, dl_config_pdu_list[i].pdu_type);
for (int i = 0; i < req->dl_config_request_body.number_pdu; i++) {
if (dl_config_pdu_list[i].pdu_type == NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE) {
const rnti_t rnti = dl_config_pdu_list[i].dci_dl_pdu.dci_dl_pdu_rel8.rnti;
const int rnti_type = dl_config_pdu_list[i].dci_dl_pdu.dci_dl_pdu_rel8.rnti_type;
/* We assume the DCI DL PDU is followed by the DLSCH (the standard is
* more free), so advance by one more and directly process the
* following DLSCH PDU */
i++;
AssertFatal(i < req->dl_config_request_body.number_pdu,
"Need PDU following DCI at index %d, but not found\n",
i);
nfapi_dl_config_request_pdu_t *dl_config_pdu_tmp = &dl_config_pdu_list[i];
if (dl_config_pdu_tmp->pdu_type != NFAPI_DL_CONFIG_DLSCH_PDU_TYPE) {
LOG_E(MAC, "expected DLSCH PDU at index %d\n", i);
continue;
}
if (rnti != dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.rnti) {
LOG_I(MAC,
"%s(): sfn/sf %d DLSCH PDU RNTI %x does not match DCI RNTI %x\n",
__func__,
NFAPI_SFNSF2DEC(req->sfn_sf),
rnti,
dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.rnti);
continue;
}
const int pdu_index = dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index;
if (pdu_index < 0 && pdu_index >= tx_req_num_elems) {
LOG_E(MAC,
"dl_config_req_UE_MAC 2: Problem with receiving data: "
"sfn/sf:%d PDU[%d] size:%d, TX_PDU index: %d\n",
NFAPI_SFNSF2DEC(req->sfn_sf),
i,
dl_config_pdu_list[i].pdu_size,
dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index);
continue;
}
if (rnti_type == 1) {
// C-RNTI (Normal DLSCH case)
if (UE_mac_inst[Mod_id].crnti != rnti) {
LOG_D(MAC,
"sfn/sf %d/%d DCI not for UE %d/RNTI %x but for RNTI %x, "
"skipping\n",
sfn, sf, Mod_id, UE_mac_inst[Mod_id].crnti, rnti);
continue;
}
LOG_D(MAC,
"%s() Received data: sfn/sf:%d PDU[%d] "
"size:%d, TX_PDU index: %d, tx_req_num_elems: %d \n",
__func__,
NFAPI_SFNSF2DEC(req->sfn_sf),
i,
dl_config_pdu_list[i].pdu_size,
dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index,
tx_req_num_elems);
ue_send_sdu(Mod_id, 0, sfn, sf,
tx_request_pdu_list[pdu_index].segments[0].segment_data,
tx_request_pdu_list[pdu_index].segments[0].segment_length,
0);
} else if (rnti_type == 2) {
if (rnti == 0xFFFF) { /* SI-RNTI */
if (UE_mac_inst[Mod_id].UE_mode[0] == NOT_SYNCHED) {
/* this check is in the code before refactoring, but I don't know
* why. Leave it in here for the moment */
continue;
}
ue_decode_si(Mod_id, 0, sfn, 0,
tx_request_pdu_list[pdu_index].segments[0].segment_data,
tx_request_pdu_list[pdu_index].segments[0].segment_length);
} else if (rnti == 0xFFFE) { /* PI-RNTI */
LOG_I(MAC, "%s() Received paging message: sfn/sf:%d PDU[%d]\n",
__func__, NFAPI_SFNSF2DEC(req->sfn_sf), i);
ue_decode_p(Mod_id, 0, sfn, 0,
tx_request_pdu_list[pdu_index].segments[0].segment_data,
tx_request_pdu_list[pdu_index].segments[0].segment_length);
} else if (rnti == 0x0002) { /* RA-RNTI */
LOG_E(MAC, "%s(): Received RAR?\n", __func__);
// RNTI parameter not actually used. Provided only to comply with
// existing function definition. Not sure about parameters to fill
// the preamble index.
const rnti_t ra_rnti = UE_mac_inst[Mod_id].RA_prach_resources.ra_RNTI;
DevAssert(ra_rnti == 0x0002);
if (UE_mac_inst[Mod_id].UE_mode[0] != PUSCH
&& UE_mac_inst[Mod_id].RA_prach_resources.Msg3 != NULL
&& ra_rnti == dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.rnti) {
LOG_E(MAC,
"dl_config_req_UE_MAC 5 Received RAR, PreambleIndex: %d \n",
UE_mac_inst[Mod_id].RA_prach_resources.ra_PreambleIndex);
ue_process_rar(Mod_id, 0, sfn,
ra_rnti, //RA-RNTI
tx_request_pdu_list[pdu_index].segments[0].segment_data,
&dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.rnti, //t-crnti
UE_mac_inst[Mod_id].RA_prach_resources.ra_PreambleIndex,
tx_request_pdu_list[pdu_index].segments[0].segment_data);
UE_mac_inst[Mod_id].UE_mode[0] = RA_RESPONSE;
// Expecting an UL_CONFIG_ULSCH_PDU to enable Msg3 Txon (first
// ULSCH Txon for the UE)
UE_mac_inst[Mod_id].first_ULSCH_Tx = 1;
}
} else {
LOG_W(MAC, "can not handle special RNTI %x\n", rnti);
}
}
} else if (dl_config_pdu_list[i].pdu_type == NFAPI_DL_CONFIG_BCH_PDU_TYPE) {
// BCH case: Last parameter is 1 if first time synchronization and zero
// otherwise. Not sure which value to put for our case.
if (UE_mac_inst[Mod_id].UE_mode[0] == NOT_SYNCHED){
dl_phy_sync_success(Mod_id, sfn, 0, 1);
LOG_E(MAC,
"%s(): Received MIB: UE_mode: %d, sfn/sf: %d.%d\n",
__func__,
UE_mac_inst[Mod_id].UE_mode[0],
sfn,
sf);
UE_mac_inst[Mod_id].UE_mode[0] = PRACH;
} else {
dl_phy_sync_success(Mod_id, sfn, 0, 0);
}
}
}
return 0;
}
......
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