--- /dev/null
+/******************************************************************************
+*
+* Copyright (c) 2019 Intel.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*
+*******************************************************************************/
+
+/**
+ * @file
+ * This file consist of implementation of FAPI UL_TTI.request message.
+ *
+ **/
+
+#include "nr5g_fapi_framework.h"
+#include "gnb_l1_l2_api.h"
+#include "nr5g_fapi_fapi2mac_api.h"
+#include "nr5g_fapi_fapi2phy_api.h"
+#include "nr5g_fapi_fapi2phy_p7_proc.h"
+#include "nr5g_fapi_fapi2phy_p7_pvt_proc.h"
+#include "nr5g_fapi_memory.h"
+#include <math.h>
+
+ /** @ingroup group_source_api_p7_fapi2phy_proc
+ *
+ * @param[in] p_phy_instance Pointer to PHY instance.
+ * @param[in] p_fapi_req Pointer to FAPI UL_TTI.request message structure.
+ *
+ * @return Returns ::SUCCESS and ::FAILURE.
+ *
+ * @description
+ * This message indicates the control information for an uplink slot.
+ *
+**/
+uint8_t nr5g_fapi_ul_tti_request(
+ p_nr5g_fapi_phy_instance_t p_phy_instance,
+ fapi_ul_tti_req_t * p_fapi_req,
+ fapi_vendor_msg_t * p_fapi_vendor_msg)
+{
+ PULConfigRequestStruct p_ia_ul_config_req;
+ PMAC2PHY_QUEUE_EL p_list_elem;
+ nr5g_fapi_stats_t *p_stats;
+ UNUSED(p_fapi_vendor_msg);
+
+ if (NULL == p_phy_instance) {
+ NR5G_FAPI_LOG(ERROR_LOG, ("[NR5G_FAPI][UL_TTI.request] Invalid "
+ "phy instance"));
+ return FAILURE;
+ }
+ p_stats = &p_phy_instance->stats;
+ p_stats->fapi_stats.fapi_ul_tti_req++;
+
+ if (NULL == p_fapi_req) {
+ NR5G_FAPI_LOG(ERROR_LOG, ("[NR5G_FAPI][UL_TTI.request] Invalid fapi "
+ "message"));
+ return FAILURE;
+ }
+
+ p_list_elem = nr5g_fapi_fapi2phy_create_api_list_elem((uint8_t)
+ MSG_TYPE_PHY_UL_CONFIG_REQ, 1,
+ (uint32_t) sizeof(ULConfigRequestStruct));
+ if (!p_list_elem) {
+ NR5G_FAPI_LOG(ERROR_LOG,
+ ("[NR5G_FAPI][UL_TTI.request] Unable to create "
+ "list element. Out of memory!!!"));
+ return FAILURE;
+ }
+
+ p_ia_ul_config_req = (PULConfigRequestStruct) (p_list_elem + 1);
+ NR5G_FAPI_MEMSET(p_ia_ul_config_req, sizeof(ULConfigRequestStruct), 0,
+ sizeof(ULConfigRequestStruct));
+ p_ia_ul_config_req->sMsgHdr.nMessageType = MSG_TYPE_PHY_UL_CONFIG_REQ;
+ p_ia_ul_config_req->sMsgHdr.nMessageLen =
+ (uint16_t) sizeof(ULConfigRequestStruct);
+
+ if (FAILURE == nr5g_fapi_ul_tti_req_to_phy_translation(p_phy_instance,
+ p_fapi_req, p_ia_ul_config_req)) {
+ nr5g_fapi_fapi2phy_destroy_api_list_elem(p_list_elem);
+ NR5G_FAPI_LOG(DEBUG_LOG, ("[UL_TTI.request][%d][%d,%d] Not Sent",
+ p_phy_instance->phy_id, p_ia_ul_config_req->sSFN_Slot.nSFN,
+ p_ia_ul_config_req->sSFN_Slot.nSlot));
+ return FAILURE;
+ }
+
+ nr5g_fapi_fapi2phy_add_to_api_list(p_list_elem);
+
+ p_stats->iapi_stats.iapi_ul_config_req++;
+ NR5G_FAPI_LOG(TRACE_LOG, ("[NR5G_FAPI][UL_TTI.request][%d][%d,%d]",
+ p_phy_instance->phy_id,
+ p_ia_ul_config_req->sSFN_Slot.nSFN,
+ p_ia_ul_config_req->sSFN_Slot.nSlot));
+
+ return SUCCESS;
+}
+
+ /** @ingroup group_source_api_p7_fapi2phy_proc
+ *
+ * @param[in] bwp_size Variable holding the Bandwidth part size.
+ *
+ * @return Returns ::RBG Size.
+ *
+ * @description
+ * This functions calculates and return RBG Size from Bandwidth part size provided.
+ *
+**/
+uint8_t nr5g_fapi_calc_n_rbg_size(
+ uint16_t bwp_size)
+{
+ uint8_t n_rbg_size = 0;
+ if (bwp_size >= 1 && bwp_size <= 36) {
+ n_rbg_size = 2;
+ } else if (bwp_size >= 37 && bwp_size <= 72) {
+ n_rbg_size = 4;
+ } else if (bwp_size >= 73 && bwp_size <= 144) {
+ n_rbg_size = 8;
+ } else if (bwp_size >= 145 && bwp_size <= 275) {
+ n_rbg_size = 16;
+ } else {
+ n_rbg_size = 0;
+ }
+ return n_rbg_size;
+}
+
+ /** @ingroup group_source_api_p7_fapi2phy_proc
+ *
+ * @param[in] n_rbg_size Variable holding the RBG Size
+ * @param[in] p_push_pdu Pointer to FAPI PUSCH Pdu
+ *
+ * @return Returns ::RBG Bitmap entry
+ *
+ * @description
+ * This functions derives the RBG Bitmap entry for PUSCH Type-0 allocation.
+ *
+**/
+uint32_t nr5g_fapi_calc_n_rbg_index_entry(
+ uint8_t n_rbg_size,
+ fapi_ul_pusch_pdu_t * p_pusch_pdu)
+{
+ uint8_t i, temp, num_bits = 0;
+ uint32_t n_rbg_bitmap = 0;
+ uint8_t rb_bitmap_entries, rb_bitmap;
+
+ rb_bitmap_entries = ceil(n_rbg_size / 8);
+ for (i = 0; i < rb_bitmap_entries; i++) {
+ num_bits = 0;
+ temp = 0;
+ rb_bitmap = p_pusch_pdu->rbBitmap[i];
+ while (num_bits < 8) {
+ if (rb_bitmap & (1 << num_bits)) {
+ temp |= (1 << (7 - num_bits));
+ }
+ num_bits++;
+ }
+ n_rbg_bitmap |= ((n_rbg_bitmap | temp) << (32 - (8 * (i + 1))));
+ }
+ return n_rbg_bitmap;
+}
+
+ /** @ingroup group_source_api_p7_fapi2phy_proc
+ *
+ * @param[in] fapi_alpha_scaling Variable holding the FAPI Alpha Scaling Value.
+ *
+ * @return Returns ::PHY equivalent Alpha Scaling Value.
+ *
+ * @description
+ * This functions derives the PHY equivalent Alpha Scaling value from FAPI Alpha Scaling Value.
+ *
+**/
+uint8_t nr5g_fapi_calc_alpha_scaling(
+ uint8_t fapi_alpha_scaling)
+{
+ uint8_t alpha_scaling;
+
+ switch (fapi_alpha_scaling) {
+ case 0:
+ alpha_scaling = 127;
+ break;
+
+ case 1:
+ alpha_scaling = 166;
+ break;
+
+ case 2:
+ alpha_scaling = 205;
+ break;
+
+ case 3:
+ alpha_scaling = 255;
+ break;
+
+ default:
+ alpha_scaling = 0;
+ break;
+ }
+ return alpha_scaling;
+}
+
+/** @ingroup group_source_api_p7_fapi2phy_proc
+ *
+ * @param[in] p_pusch_data Pointer to FAPI Optional PUSCH Data structure.
+ * @param[in] p_ul_data_chan Pointer to IAPI ULSCH PDU structure.
+ *
+ * @return None.
+ *
+ * @description
+ * This function converts FAPI UL_TTI.request's Optional PUSCH Data to IAPI UL_Config.request's
+ * ULSCH PDU structure.
+ *
+**/
+void nr5g_fapi_pusch_data_to_phy_ulsch_translation(
+ nr5g_fapi_pusch_info_t * p_pusch_info,
+ fapi_pusch_data_t * p_pusch_data,
+ ULSCHPDUStruct * p_ul_data_chan)
+{
+ p_ul_data_chan->nRV = p_pusch_data->rvIndex;
+ p_pusch_info->harq_process_id = p_ul_data_chan->nHARQID =
+ p_pusch_data->harqProcessId;
+ p_ul_data_chan->nNDI = p_pusch_data->newDataIndicator;
+ p_ul_data_chan->nTBSize = p_pusch_data->tbSize;
+ //numCb and cbPresentAndPoistion[] is ignored as per design
+}
+
+ /** @ingroup group_source_api_p7_fapi2phy_proc
+ *
+ * @param[in] p_pusch_uci Pointer to FAPI Optional PUSCH UCI structure.
+ * @param[in] p_ul_data_chan Pointer to IAPI ULSCH PDU structure.
+ *
+ * @return None.
+ *
+ * @description
+ * This function converts FAPI UL_TTI.request's Optional PUSCH UCI to IAPI UL_Config.request's
+ * ULSCH PDU structure.
+ *
+**/
+void nr5g_fapi_pusch_uci_to_phy_ulsch_translation(
+ fapi_pusch_uci_t * p_pusch_uci,
+ ULSCHPDUStruct * p_ul_data_chan)
+{
+ p_ul_data_chan->nAck = p_pusch_uci->harqAckBitLength;
+ //csiPart1BitLength and csiPart2BitLength are ignored as per design
+ p_ul_data_chan->nAlphaScaling =
+ nr5g_fapi_calc_alpha_scaling(p_pusch_uci->alphaScaling);
+ //p_ul_data_chan->nAlphaScaling = 0;
+ p_ul_data_chan->nBetaOffsetACKIndex = p_pusch_uci->betaOffsetHarqAck;
+ //betaOffsetCsi1 and betaOffsetCsi2 are ignored as per design
+}
+
+/** @ingroup group_source_api_p7_fapi2phy_proc
+ *
+ * @param[in] p_pusch_ptrs Pointer to FAPI Optional PUSCH PTRS structure.
+ * @param[in] p_ul_data_chan Pointer to IAPI ULSCH PDU structure.
+ *
+ * @return None.
+ *
+ * @description
+ * This function converts FAPI UL_TTI.request's Optional PUSCH PTRS to IAPI UL_Config.request's
+ * ULSCH PDU structure.
+ *
+**/
+void nr5g_fapi_pusch_ptrs_to_phy_ulsch_translation(
+ fapi_pusch_ptrs_t * p_pusch_ptrs,
+ ULSCHPDUStruct * p_ul_data_chan)
+{
+ uint8_t i, num_ptrs_ports = 0, port_index = 0;
+ fapi_ptrs_info_t *p_ptrs_info;
+
+ if (p_pusch_ptrs->ptrsTimeDensity <= 2) {
+ p_ul_data_chan->nPTRSTimeDensity =
+ pow(2, p_pusch_ptrs->ptrsTimeDensity);
+ }
+ if (p_pusch_ptrs->ptrsFreqDensity == 0 ||
+ p_pusch_ptrs->ptrsFreqDensity == 1) {
+ p_ul_data_chan->nPTRSFreqDensity =
+ pow(2, (p_pusch_ptrs->ptrsFreqDensity + 1));
+ }
+ if (p_pusch_ptrs->numPtrsPorts > 0) {
+ num_ptrs_ports = p_ul_data_chan->nNrOfPTRSPorts = 1;
+ }
+ for (i = 0; (i < num_ptrs_ports && port_index < FAPI_MAX_PTRS_PORTS); i++) {
+ p_ptrs_info = &p_pusch_ptrs->ptrsInfo[i];
+ if ((p_ptrs_info->ptrsPortIndex >> i) & 0x01) {
+ p_ul_data_chan->nPTRSPortIndex[port_index++] = i;
+ }
+ //PTRSDmrsPort is ignored as per Design
+ p_ul_data_chan->nPTRSReOffset = p_ptrs_info->ptrsReOffset;
+ }
+}
+
+ /** @ingroup group_source_api_p7_fapi2phy_proc
+ *
+ * @param[in] p_phy_instance Pointer to PHY instance.
+ * @param[in] p_pusch_pdu Pointer to FAPI PUSCH PDU structure.
+ * @param[out] p_ul_data_chan Pointer to IAPI ULSCH PDU structure.
+ *
+ * @return None.
+ *
+ * @description
+ * This function converts FAPI UL_TTI.request's PUSCH PDU to IAPI UL_Config.request's
+ * ULSCH PDU structure.
+ *
+**/
+void nr5g_fapi_pusch_to_phy_ulsch_translation(
+ p_nr5g_fapi_phy_instance_t p_phy_instance,
+ nr5g_fapi_pusch_info_t * p_pusch_info,
+ fapi_ul_pusch_pdu_t * p_pusch_pdu,
+ ULSCHPDUStruct * p_ul_data_chan)
+{
+ uint8_t mcs_table, nr_of_layers, n_rbg_size;
+ uint8_t i, port_index = 0;
+ uint16_t dmrs_ports, bwp_size, bwp_start, pdu_bitmap;
+ nr5g_fapi_stats_t *p_stats;
+
+ p_stats = &p_phy_instance->stats;
+ p_stats->fapi_stats.fapi_ul_tti_pusch_pdus++;
+
+ NR5G_FAPI_MEMSET(p_ul_data_chan, sizeof(ULSCHPDUStruct), 0,
+ sizeof(ULSCHPDUStruct));
+
+ p_ul_data_chan->sPDUHdr.nPDUType = UL_PDU_TYPE_ULSCH;
+ p_ul_data_chan->sPDUHdr.nPDUSize = RUP32B(sizeof(ULSCHPDUStruct));
+
+ p_ul_data_chan->nRNTI = p_pusch_pdu->rnti;
+
+ p_pusch_info->handle = p_ul_data_chan->nUEId =
+ (uint16_t) p_pusch_pdu->handle;
+
+ bwp_size = p_ul_data_chan->nBWPSize = p_pusch_pdu->bwpSize;
+ bwp_start = p_ul_data_chan->nBWPStart = p_pusch_pdu->bwpStart;
+
+ p_ul_data_chan->nSubcSpacing = p_pusch_pdu->subCarrierSpacing;
+ p_ul_data_chan->nCpType = p_pusch_pdu->cyclicPrefix;
+ p_ul_data_chan->nMCS = p_pusch_pdu->mcsIndex;
+ p_ul_data_chan->nTransPrecode = 0;
+ mcs_table = p_pusch_pdu->mcsTable;
+ if (mcs_table <= 2) {
+ p_ul_data_chan->nMcsTable = mcs_table;
+ }
+ if ((mcs_table > 2) && (mcs_table <= 4)) {
+ p_ul_data_chan->nTransPrecode = 1;
+
+ if (mcs_table == 3) {
+ p_ul_data_chan->nMcsTable = 0;
+ } else {
+ p_ul_data_chan->nMcsTable = 2;
+ }
+ }
+
+ p_ul_data_chan->nNid = p_pusch_pdu->dataScramblingId;
+ p_ul_data_chan->nDMRSConfigType = p_pusch_pdu->dmrsConfigType;
+ p_ul_data_chan->nMappingType = p_pusch_pdu->mappingType;
+ p_ul_data_chan->nNrOfDMRSSymbols = p_pusch_pdu->nrOfDmrsSymbols;
+ p_ul_data_chan->nDMRSAddPos = p_pusch_pdu->dmrsAddPos;
+ p_ul_data_chan->nNIDnSCID = p_pusch_pdu->ulDmrsScramblingId;
+ p_ul_data_chan->nSCID = p_pusch_pdu->scid;
+ p_ul_data_chan->nNrOfCDMs = p_pusch_pdu->numDmrsCdmGrpsNoData;
+
+ dmrs_ports = p_pusch_pdu->dmrsPorts;
+ nr_of_layers = p_ul_data_chan->nNrOfLayers = p_pusch_pdu->nrOfLayers;
+ for (i = 0; (i < FAPI_MAX_DMRS_PORTS && port_index < nr_of_layers); i++) {
+ if (port_index < FAPI_MAX_UL_LAYERS) {
+ if ((dmrs_ports >> i) && 0x0001) {
+ p_ul_data_chan->nPortIndex[port_index++] = i;
+ }
+ } else {
+ break;
+ }
+ }
+ p_ul_data_chan->nTPPuschID = p_pusch_pdu->nTpPuschId;
+ p_ul_data_chan->nTpPi2BPSK = p_pusch_pdu->tpPi2Bpsk;
+ //Config-1 alone is supported
+ n_rbg_size = p_ul_data_chan->nRBGSize = nr5g_fapi_calc_n_rbg_size(bwp_size);
+ if (n_rbg_size > 0) {
+ p_ul_data_chan->nNrOfRBGs =
+ ceil((bwp_size + (bwp_start % n_rbg_size)) / n_rbg_size);
+ }
+ //First entry would be sufficient as maximum no of RBG's is at max 18.
+ p_ul_data_chan->nRBGIndex[0] =
+ nr5g_fapi_calc_n_rbg_index_entry(n_rbg_size, p_pusch_pdu);
+ p_ul_data_chan->nRBStart = p_pusch_pdu->rbStart;
+ p_ul_data_chan->nRBSize = p_pusch_pdu->rbSize;
+ p_ul_data_chan->nVRBtoPRB = p_pusch_pdu->vrbToPrbMapping;
+ p_ul_data_chan->nResourceAllocType = p_pusch_pdu->resourceAlloc;
+ p_ul_data_chan->nStartSymbolIndex = p_pusch_pdu->startSymbIndex;
+ p_ul_data_chan->nNrOfSymbols = p_pusch_pdu->nrOfSymbols;
+
+ p_ul_data_chan->nPTRSPresent = 0;
+ pdu_bitmap = p_pusch_pdu->pduBitMap;
+ if (pdu_bitmap & 0x01) {
+ nr5g_fapi_pusch_data_to_phy_ulsch_translation(p_pusch_info,
+ &p_pusch_pdu->puschData, p_ul_data_chan);
+ }
+ if (pdu_bitmap & 0x02) {
+ nr5g_fapi_pusch_uci_to_phy_ulsch_translation(&p_pusch_pdu->puschUci,
+ p_ul_data_chan);
+ }
+ if (pdu_bitmap & 0x04) {
+ nr5g_fapi_pusch_ptrs_to_phy_ulsch_translation(&p_pusch_pdu->puschPtrs,
+ p_ul_data_chan);
+ }
+ if ((pdu_bitmap & (1 << 15))) {
+ p_ul_data_chan->nPTRSPresent = 1;
+ }
+ p_ul_data_chan->nULType = 0;
+ p_ul_data_chan->nNrOfAntennaPorts =
+ p_phy_instance->phy_config.n_nr_of_rx_ant;
+ p_ul_data_chan->nRBBundleSize = 0;
+ p_ul_data_chan->nPMI = 0;
+ p_ul_data_chan->nTransmissionScheme = 0;
+ p_ul_data_chan->rsv1 = 0;
+ p_ul_data_chan->nNrofRxRU = p_phy_instance->phy_config.n_nr_of_rx_ant;
+ p_stats->iapi_stats.iapi_ul_tti_pusch_pdus++;
+}
+
+ /** @ingroup group_source_api_p7_fapi2phy_proc
+ *
+ * @param[in] num_groups Variable holding the groups for which PUCCH resources
+ are unique
+ * @param[in] initial_cyclic_shift Variable holding the parameter initial_cyclic
+ shift to be verified against the already receieved pucch resources.
+ * @param[in] nr_of_layers Variable holding the parameter nr_of_symbols
+ to be verified against the already received pucch resources.
+ * @param[in] start_symbol_index Variable holding the parameter start_symbol_index
+ to be verified against the already received pucch resources.
+ * @param[in] time_domain_occ_idx Variable holding the parameter time_domain_occ_idx
+ to be verified against the already received pucch resources.
+ * @param[in] p_pucch_resources Pointer pointing to the received pucch resources.
+
+* @return group_id, if pucch_resources match with parameters passed.
+ * 0xFF, if pucch_resources not match with parameters passed.
+ * @description
+ * This function returns the group_id if parameters passed already available in
+ * pucch_resources received earlier.
+ *
+**/
+uint8_t nr5g_get_pucch_resources_group_id(
+ uint8_t num_groups,
+ uint16_t initial_cyclic_shift,
+ uint8_t nr_of_symbols,
+ uint8_t start_symbol_index,
+ uint8_t time_domain_occ_idx,
+ nr5g_fapi_pucch_resources_t * p_pucch_resources)
+{
+ uint8_t i, group_id = 0xFF;
+ for (i = 0; i < num_groups; i++) {
+ if ((initial_cyclic_shift == p_pucch_resources[i].initial_cyclic_shift)
+ && (nr_of_symbols == p_pucch_resources[i].nr_of_symbols)
+ && (start_symbol_index == p_pucch_resources[i].start_symbol_index)
+ && (time_domain_occ_idx ==
+ p_pucch_resources[i].time_domain_occ_idx)) {
+ group_id = p_pucch_resources[i].group_id;
+ break;
+ }
+ }
+ return group_id;
+}
+
+ /** @ingroup group_source_api_p7_fapi2phy_proc
+ *
+ * @param[in] p_phy_instance Pointer to PHY instance.
+ * @param[in] p_pucch_pdu Pointer to FAPI PUSCH PDU structure.
+ * @param[in] p_ul_ctrl_chan Pointer to IAPI ULCCH_UCIPDU structure.
+ *
+ * @return None.
+ *
+ * @description
+ * This function converts FAPI UL_TTI.request's PUCCH PDU to IAPI UL_Config.request's
+ * ULCCH_UCI PDU structure.
+ *
+**/
+void nr5g_fapi_pucch_to_phy_ulcch_uci_translation(
+ p_nr5g_fapi_phy_instance_t p_phy_instance,
+ nr5g_fapi_pucch_info_t * p_pucch_info,
+ fapi_ul_pucch_pdu_t * p_pucch_pdu,
+ uint8_t * num_group_ids,
+ nr5g_fapi_pucch_resources_t * p_pucch_resources,
+ ULCCHUCIPDUStruct * p_ul_ctrl_chan)
+{
+ uint8_t group_id;
+ nr5g_fapi_stats_t *p_stats;
+ uint8_t initial_cyclic_shift, nr_of_symbols;
+ uint8_t start_symbol_index, time_domain_occ_idx;
+ uint8_t num_groups = *num_group_ids;
+
+ p_stats = &p_phy_instance->stats;
+ p_stats->fapi_stats.fapi_ul_tti_pucch_pdus++;
+ NR5G_FAPI_MEMSET(p_ul_ctrl_chan, sizeof(ULCCHUCIPDUStruct), 0,
+ sizeof(ULCCHUCIPDUStruct));
+ p_ul_ctrl_chan->sPDUHdr.nPDUType = UL_PDU_TYPE_ULCCH_UCI;
+ p_ul_ctrl_chan->sPDUHdr.nPDUSize = RUP32B(sizeof(ULCCHUCIPDUStruct));
+
+ p_ul_ctrl_chan->nRNTI = p_pucch_pdu->rnti;
+ p_pucch_info->handle = p_ul_ctrl_chan->nUEId =
+ (uint16_t) p_pucch_pdu->handle;
+
+ p_ul_ctrl_chan->nSubcSpacing = p_pucch_pdu->subCarrierSpacing;
+ p_ul_ctrl_chan->nCpType = p_pucch_pdu->cyclicPrefix;
+ p_pucch_info->pucch_format = p_ul_ctrl_chan->nFormat =
+ p_pucch_pdu->formatType;
+ if (p_pucch_pdu->pi2Bpsk) {
+ p_ul_ctrl_chan->modType = 1;
+ } else { //QPSK
+ p_ul_ctrl_chan->modType = 2;
+ }
+ p_ul_ctrl_chan->nStartPRB = p_pucch_pdu->prbStart;
+ p_ul_ctrl_chan->nPRBs = p_pucch_pdu->prbSize;
+ start_symbol_index = p_ul_ctrl_chan->nStartSymbolx =
+ p_pucch_pdu->startSymbolIndex;
+ nr_of_symbols = p_ul_ctrl_chan->nSymbols = p_pucch_pdu->nrOfSymbols;
+ p_ul_ctrl_chan->nFreqHopFlag = p_pucch_pdu->freqHopFlag;
+
+ p_ul_ctrl_chan->n2ndHopPRB = p_pucch_pdu->secondHopPrb;
+ initial_cyclic_shift = p_ul_ctrl_chan->nM0 =
+ p_pucch_pdu->initialCyclicShift;
+ p_ul_ctrl_chan->nID = p_pucch_pdu->dataScramblingId;
+ time_domain_occ_idx = p_ul_ctrl_chan->nFmt1OrthCCodeIdx =
+ p_pucch_pdu->timeDomainOccIdx;
+ p_ul_ctrl_chan->nFmt4OrthCCodeIdx = p_pucch_pdu->preDftOccIdx;
+ p_ul_ctrl_chan->nFmt4OrthCCodeLength = p_pucch_pdu->preDftOccLen;
+ p_ul_ctrl_chan->nAddDmrsFlag = p_pucch_pdu->addDmrsFlag;
+ p_ul_ctrl_chan->nScramID = p_pucch_pdu->dmrsScramblingId;
+ p_ul_ctrl_chan->nSRPriodAriv = p_pucch_pdu->srFlag;
+ p_ul_ctrl_chan->nBitLenUci = p_pucch_pdu->bitLenHarq;
+ p_ul_ctrl_chan->nNrofRxRU = p_phy_instance->phy_config.n_nr_of_rx_ant;
+
+ group_id =
+ nr5g_get_pucch_resources_group_id(num_groups, initial_cyclic_shift,
+ nr_of_symbols, start_symbol_index, time_domain_occ_idx,
+ p_pucch_resources);
+ if (group_id == 0xFF) {
+ p_pucch_resources[num_groups].group_id = num_groups;
+ p_pucch_resources[num_groups].initial_cyclic_shift =
+ initial_cyclic_shift;
+ p_pucch_resources[num_groups].nr_of_symbols = nr_of_symbols;
+ p_pucch_resources[num_groups].start_symbol_index = start_symbol_index;
+ p_pucch_resources[num_groups].time_domain_occ_idx = time_domain_occ_idx;
+ p_ul_ctrl_chan->nGroupId = num_groups;
+ num_groups++;
+ } else {
+ p_ul_ctrl_chan->nGroupId = group_id;
+ }
+ *num_group_ids = num_groups;
+ p_stats->iapi_stats.iapi_ul_tti_pucch_pdus++;
+}
+
+/** @ingroup group_source_api_p7_fapi2phy_proc
+ *
+ * @param[in] p_srs_pdu Pointer to FAPI SRS PDU structure.
+ * @param[in] p_ul_srs_chan Pointer to IAPI SRS PDU structure.
+ *
+ * @return None.
+ *
+ * @description
+ * This function converts FAPI UL_TTI.request's SRS PDU to IAPI UL_Config.request's
+ * SRS PDU structure.
+ *
+**/
+void nr5g_fapi_srs_to_phy_srs_translation(
+ p_nr5g_fapi_phy_instance_t p_phy_instance,
+ fapi_ul_srs_pdu_t * p_srs_pdu,
+ nr5g_fapi_srs_info_t * p_srs_info,
+ SRSPDUStruct * p_ul_srs_chan)
+{
+ nr5g_fapi_stats_t *p_stats;
+
+ p_stats = &p_phy_instance->stats;
+ p_stats->fapi_stats.fapi_ul_tti_srs_pdus++;
+ NR5G_FAPI_MEMSET(p_ul_srs_chan, sizeof(SRSPDUStruct), 0,
+ sizeof(SRSPDUStruct));
+ p_ul_srs_chan->sPDUHdr.nPDUType = UL_PDU_TYPE_SRS;
+ p_ul_srs_chan->sPDUHdr.nPDUSize = RUP32B(sizeof(SRSPDUStruct));
+
+ p_ul_srs_chan->nRNTI = p_srs_pdu->rnti;
+ p_srs_info->handle = p_ul_srs_chan->nUEId = (uint16_t) p_srs_pdu->handle;
+
+ p_ul_srs_chan->nSubcSpacing = p_srs_pdu->subCarrierSpacing;
+ p_ul_srs_chan->nCpType = p_srs_pdu->cyclicPrefix;
+ p_ul_srs_chan->nNrOfSrsPorts = pow(2, p_srs_pdu->numAntPorts);
+ p_ul_srs_chan->nNrOfSymbols = pow(2, p_srs_pdu->numSymbols);
+ p_ul_srs_chan->nRepetition = pow(2, p_srs_pdu->numRepetitions);
+ if (p_ul_srs_chan->nCpType) { //Extended Cyclic Prefix
+ p_ul_srs_chan->nStartPos = 11 - p_srs_pdu->timeStartPosition;
+ } else {
+ p_ul_srs_chan->nStartPos = 13 - p_srs_pdu->timeStartPosition;
+ }
+ p_ul_srs_chan->nCsrs = p_srs_pdu->configIndex;
+ p_ul_srs_chan->nBsrs = p_srs_pdu->bandwidthIndex;
+ p_ul_srs_chan->nSrsId = p_srs_pdu->sequenceId;
+
+ if (p_srs_pdu->combSize) {
+ p_ul_srs_chan->nComb = 4;
+ } else {
+ p_ul_srs_chan->nComb = 2;
+ }
+ p_ul_srs_chan->nCombOffset = p_srs_pdu->combOffset;
+ p_ul_srs_chan->nCyclicShift = p_srs_pdu->cyclicShift;
+ p_ul_srs_chan->nFreqPos = p_srs_pdu->frequencyPosition;
+ p_ul_srs_chan->nFreqShift = p_srs_pdu->frequencyShift;
+ p_ul_srs_chan->nBHop = p_srs_pdu->frequencyHopping;
+ p_ul_srs_chan->nHopping = p_srs_pdu->groupOrSequenceHopping;
+ p_ul_srs_chan->nResourceType = p_srs_pdu->resourceType;
+ p_ul_srs_chan->nTsrs = p_srs_pdu->tSrs;
+ p_ul_srs_chan->nToffset = p_srs_pdu->tOffset;
+ p_ul_srs_chan->nToffset = p_srs_pdu->tOffset;
+ p_ul_srs_chan->nNrofRxRU = p_phy_instance->phy_config.n_nr_of_rx_ant;
+
+ p_stats->iapi_stats.iapi_ul_tti_srs_pdus++;
+}
+
+ /** @ingroup group_source_api_p7_fapi2phy_proc
+ *
+ * @param[in] p_fapi_req Pointer to FAPI UL_TTI.request structure.
+ * @param[in] p_ia_ul_config_req Pointer to IAPI UL_TTI.request structure.
+ *
+ * @return Returns ::SUCCESS and ::FAILURE.
+ *
+ * @description
+ * This function converts FAPI UL_TTI.request to IAPI UL_Config.request
+ * structure.
+ *
+**/
+uint8_t nr5g_fapi_ul_tti_req_to_phy_translation(
+ p_nr5g_fapi_phy_instance_t p_phy_instance,
+ fapi_ul_tti_req_t * p_fapi_req,
+ PULConfigRequestStruct p_ia_ul_config_req)
+{
+ uint8_t i, j, num_group_id = 0;
+ uint8_t num_fapi_pdus, num_groups, num_ue = 0;
+ uint16_t frame_no;
+ uint8_t slot_no;
+
+ fapi_ul_tti_req_pdu_t *p_fapi_ul_tti_req_pdu;
+ fapi_ue_info_t *p_fapi_ue_grp_info;
+ ULSCHPDUStruct *p_ul_data_chan;
+ ULCCHUCIPDUStruct *p_ul_ctrl_chan;
+ SRSPDUStruct *p_ul_srs_chan;
+ PUSCHGroupInfoStruct *p_pusch_grp_info;
+ PDUStruct *p_pdu_head;
+ nr5g_fapi_ul_slot_info_t *p_ul_slot_info;
+ nr5g_fapi_stats_t *p_stats;
+ nr5g_fapi_pucch_resources_t pucch_resources[FAPI_MAX_NUM_PUCCH_PDU];
+
+ p_stats = &p_phy_instance->stats;
+
+ frame_no = p_ia_ul_config_req->sSFN_Slot.nSFN = p_fapi_req->sfn;
+ slot_no = p_ia_ul_config_req->sSFN_Slot.nSlot = p_fapi_req->slot;
+ p_ia_ul_config_req->sSFN_Slot.nCarrierIdx = p_phy_instance->phy_id;
+
+ p_ul_slot_info =
+ &p_phy_instance->ul_slot_info[(slot_no % MAX_UL_SLOT_INFO_COUNT)];
+ nr5g_fapi_set_ul_slot_info(frame_no, slot_no, p_ul_slot_info);
+
+ num_fapi_pdus = p_ia_ul_config_req->nPDU = p_fapi_req->nPdus;
+ num_groups = p_ia_ul_config_req->nGroup = p_fapi_req->nGroup;
+ p_ia_ul_config_req->nUlsch = p_fapi_req->nUlsch;
+ p_ia_ul_config_req->nUlcch = p_fapi_req->nUlcch;
+ p_ia_ul_config_req->nRachPresent = p_fapi_req->rachPresent;
+ if (p_fapi_req->rachPresent) {
+ p_ul_slot_info->rach_presence = 1;
+ p_ul_slot_info->rach_info.phy_cell_id =
+ p_phy_instance->phy_config.phy_cell_id;
+ }
+ p_ia_ul_config_req->nUlsrs = 0;
+ for (i = 0; i < num_groups; i++) {
+ p_pusch_grp_info = &p_ia_ul_config_req->sPUSCHGroupInfoStruct[i];
+ p_fapi_ue_grp_info = &p_fapi_req->ueGrpInfo[i];
+ num_ue = p_pusch_grp_info->nUE = p_fapi_ue_grp_info->nUe;
+ for (j = 0; j < num_ue; j++) {
+ p_pusch_grp_info->nPduIdx[j] = p_fapi_ue_grp_info->pduIdx[j];
+ }
+ }
+ p_pdu_head =
+ (PDUStruct *) ((uint8_t *) p_ia_ul_config_req +
+ sizeof(ULConfigRequestStruct));
+
+ for (i = 0; i < num_fapi_pdus; i++) {
+ p_stats->fapi_stats.fapi_ul_tti_pdus++;
+ p_fapi_ul_tti_req_pdu = &p_fapi_req->pdus[i];
+
+ switch (p_fapi_ul_tti_req_pdu->pduType) {
+ case FAPI_PRACH_PDU_TYPE:
+ {
+ p_ia_ul_config_req->nPDU--;
+ p_stats->fapi_stats.fapi_ul_tti_prach_pdus++;
+ }
+ break;
+
+ case FAPI_PUSCH_PDU_TYPE:
+ {
+ p_ul_data_chan = (ULSCHPDUStruct *) p_pdu_head;
+ nr5g_fapi_pusch_to_phy_ulsch_translation(p_phy_instance,
+ &p_ul_slot_info->pusch_info[p_ul_slot_info->num_ulsch],
+ &p_fapi_ul_tti_req_pdu->pdu.pusch_pdu, p_ul_data_chan);
+ p_ul_slot_info->num_ulsch++;
+ }
+ break;
+
+ case FAPI_PUCCH_PDU_TYPE:
+ {
+ p_ul_ctrl_chan = (ULCCHUCIPDUStruct *) p_pdu_head;
+ nr5g_fapi_pucch_to_phy_ulcch_uci_translation(p_phy_instance,
+ &p_ul_slot_info->pucch_info[p_ul_slot_info->num_ulcch],
+ &p_fapi_ul_tti_req_pdu->pdu.pucch_pdu, &num_group_id,
+ pucch_resources, p_ul_ctrl_chan);
+ p_ul_slot_info->num_ulcch++;
+ }
+ break;
+
+ case FAPI_SRS_PDU_TYPE:
+ {
+ p_ia_ul_config_req->nUlsrs++;
+ p_ul_srs_chan = (SRSPDUStruct *) p_pdu_head;
+ nr5g_fapi_srs_to_phy_srs_translation(p_phy_instance,
+ &p_fapi_ul_tti_req_pdu->pdu.srs_pdu,
+ &p_ul_slot_info->srs_info[p_ul_slot_info->num_srs],
+ p_ul_srs_chan);
+ p_ul_slot_info->num_srs++;
+ }
+ break;
+
+ default:
+ {
+ NR5G_FAPI_LOG(ERROR_LOG,
+ ("[NR5G_FAPI] [UL_TTI.request] Unknown PDU Type :%d",
+ p_fapi_ul_tti_req_pdu->pduType));
+ return FAILURE;
+ }
+ break;
+ }
+ p_pdu_head =
+ (PDUStruct *) ((uint8_t *) p_pdu_head + p_pdu_head->nPDUSize);
+ p_stats->iapi_stats.iapi_ul_tti_pdus++;
+ }
+ return SUCCESS;
+}
Code Review / o-du / phy.git / blobdiff