fapi_5g/source/api/fapi2mac/p7/nr5g_fapi_proc_crc_ind.c

   1 /******************************************************************************
   2 *
   3 *   Copyright (c) 2019 Intel.
   4 *
   5 *   Licensed under the Apache License, Version 2.0 (the "License");
   6 *   you may not use this file except in compliance with the License.
   7 *   You may obtain a copy of the License at
   8 *
   9 *       http://www.apache.org/licenses/LICENSE-2.0
  10 *
  11 *   Unless required by applicable law or agreed to in writing, software
  12 *   distributed under the License is distributed on an "AS IS" BASIS,
  13 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 *   See the License for the specific language governing permissions and
  15 *   limitations under the License.
  16 *
  17 *******************************************************************************/
  18 /**
  19  * @file
  20  * This file consist of implementation of FAPI CRC.indication message.
  21  *
  22  **/
  23
  24 #include "nr5g_fapi_framework.h"
  25 #include "gnb_l1_l2_api.h"
  26 #include "nr5g_fapi_fapi2mac_api.h"
  27 #include "nr5g_fapi_fapi2mac_p7_proc.h"
  28 #include "nr5g_fapi_fapi2mac_p7_pvt_proc.h"
  29
  30  /** @ingroup group_source_api_p7_fapi2mac_proc
  31  *
  32  *  @param[in]  p_phy_ctx Pointer to PHY context.
  33  *  @param[in]  p_phy_crc_ind Pointer to FAPI CRC.indication message structure.
  34  *
  35  *  @return     Returns ::SUCCESS and ::FAILURE.
  36  *
  37  *  @description
  38  *  This message includes CRC PDU.
  39  *
  40 **/
  41 uint8_t nr5g_fapi_crc_indication(
  42     p_nr5g_fapi_phy_ctx_t p_phy_ctx,
  43     PCRCIndicationStruct p_phy_crc_ind)
  44 {
  45     uint8_t phy_id;
  46     fapi_crc_ind_t *p_fapi_crc_ind;
  47     p_fapi_api_queue_elem_t p_list_elem;
  48     p_nr5g_fapi_phy_instance_t p_phy_instance = NULL;
  49     nr5g_fapi_stats_t *p_stats;
  50
  51     if (NULL == p_phy_ctx) {
  52         NR5G_FAPI_LOG(ERROR_LOG, ("[CRC.indication] Invalid " "phy context"));
  53         return FAILURE;
  54     }
  55
  56     if (NULL == p_phy_crc_ind) {
  57         NR5G_FAPI_LOG(ERROR_LOG, ("[NR5G_FAPI [CRC.indication] Invalid Phy "
  58                 "CRC indication"));
  59         return FAILURE;
  60     }
  61
  62     phy_id = p_phy_crc_ind->sSFN_Slot.nCarrierIdx;
  63     p_phy_instance = &p_phy_ctx->phy_instance[phy_id];
  64     if (p_phy_instance->phy_id != phy_id) {
  65         NR5G_FAPI_LOG(ERROR_LOG, ("[CRC.indication] Invalid " "phy instance"));
  66         return FAILURE;
  67     }
  68
  69     p_stats = &p_phy_instance->stats;
  70     p_stats->iapi_stats.iapi_crc_ind++;
  71
  72     p_list_elem =
  73         nr5g_fapi_fapi2mac_create_api_list_elem(FAPI_CRC_INDICATION, 1,
  74         sizeof(fapi_crc_ind_t));
  75     if (!p_list_elem) {
  76         NR5G_FAPI_LOG(ERROR_LOG, ("[CRC.indication] Unable to create "
  77                 "list element. Out of memory!!!"));
  78         return FAILURE;
  79     }
  80
  81     p_fapi_crc_ind = (fapi_crc_ind_t *) (p_list_elem + 1);
  82     p_fapi_crc_ind->header.msg_id = FAPI_CRC_INDICATION;
  83     p_fapi_crc_ind->header.length = (uint16_t) sizeof(fapi_crc_ind_t);
  84
  85     if (nr5g_fapi_crc_indication_to_fapi_translation(p_phy_instance,
  86             p_phy_crc_ind, p_fapi_crc_ind)) {
  87         NR5G_FAPI_LOG(ERROR_LOG, ("[CRC.indication] L1 to FAPI "
  88                 "translation failed"));
  89         return FAILURE;
  90     }
  91
  92     nr5g_fapi_fapi2mac_add_api_to_list(phy_id, p_list_elem);
  93
  94     p_stats->fapi_stats.fapi_crc_ind++;
  95
  96     NR5G_FAPI_LOG(DEBUG_LOG, ("[CRC.indication][%d][%d,%d]",
  97             p_phy_instance->phy_id,
  98             p_phy_crc_ind->sSFN_Slot.nSFN, p_phy_crc_ind->sSFN_Slot.nSlot));
  99
 100     return SUCCESS;
 101 }
 102
 103  /** @ingroup group_source_api_p7_fapi2mac_proc
 104  *
 105  *  @param[in]  p_phy_instance Pointer to PHY instance.
 106  *  @param[in]   p_phy_crc_ind Pointer to IAPI CRC.indication structure.
 107  *  @param[out]  p_fapi_crc_ind Pointer to FAPI CRC.indication structure.
 108  *
 109  *  @return     Returns ::SUCCESS and ::FAILURE.
 110  *
 111  *  @description
 112  *  This function converts IAPI CRC.indication to FAPI CRC.indication
 113  *  structure.
 114  *
 115 **/
 116 uint8_t nr5g_fapi_crc_indication_to_fapi_translation(
 117     p_nr5g_fapi_phy_instance_t p_phy_instance,
 118     PCRCIndicationStruct p_phy_crc_ind,
 119     fapi_crc_ind_t * p_fapi_crc_ind)
 120 {
 121     uint8_t num_crc, i;
 122     uint8_t slot_no;
 123     uint16_t frame_no;
 124
 125     nr5g_fapi_pusch_info_t *p_pusch_info;
 126     fapi_crc_ind_info_t *p_fapi_crc_ind_info;
 127     nr5g_fapi_ul_slot_info_t *p_ul_slot_info;
 128     nr5g_fapi_stats_t *p_stats;
 129     ULCRCStruct *p_ul_crc_struct;
 130
 131     p_stats = &p_phy_instance->stats;
 132
 133     frame_no = p_fapi_crc_ind->sfn = p_phy_crc_ind->sSFN_Slot.nSFN;
 134     slot_no = p_fapi_crc_ind->slot = p_phy_crc_ind->sSFN_Slot.nSlot;
 135
 136     p_ul_slot_info =
 137         nr5g_fapi_get_ul_slot_info(frame_no, slot_no, p_phy_instance);
 138
 139     if (p_ul_slot_info == NULL) {
 140         NR5G_FAPI_LOG(ERROR_LOG, (" [CRC.indication] No Valid data available "
 141                 "for frame :%d and slot: %d", frame_no, slot_no));
 142         return FAILURE;
 143     }
 144
 145     num_crc = p_fapi_crc_ind->numCrcs = p_phy_crc_ind->nCrc;
 146     for (i = 0; i < num_crc; i++) {
 147         p_stats->iapi_stats.iapi_crc_ind_pdus++;
 148
 149         p_fapi_crc_ind_info = &p_fapi_crc_ind->crc[i];
 150         p_ul_crc_struct = &p_phy_crc_ind->sULCRCStruct[i];
 151         p_pusch_info =
 152             nr5g_fapi_get_pusch_info(p_ul_crc_struct->nUEId, p_ul_slot_info);
 153
 154         if (p_pusch_info == NULL) {
 155             NR5G_FAPI_LOG(ERROR_LOG,
 156                 (" [CRC.indication] No Valid data available "
 157                     "nUEId:%d, frame_no:%d, slot_no:%d", p_ul_crc_struct->nUEId,
 158                     frame_no, slot_no));
 159             return FAILURE;
 160         }
 161
 162         p_fapi_crc_ind_info->handle = p_pusch_info->handle;
 163         p_fapi_crc_ind_info->rnti = p_ul_crc_struct->nRNTI;
 164         p_fapi_crc_ind_info->harqId = p_pusch_info->harq_process_id;
 165         p_fapi_crc_ind_info->tbCrcStatus = !(p_ul_crc_struct->nCrcFlag);
 166         p_fapi_crc_ind_info->ul_cqi = (p_ul_crc_struct->nSNR + 64) * 2;
 167         p_pusch_info->ul_cqi = p_fapi_crc_ind_info->ul_cqi;
 168
 169         p_fapi_crc_ind_info->numCb = 0;
 170         p_pusch_info->timing_advance = p_fapi_crc_ind_info->timingAdvance = 31;
 171 #ifdef DEBUG_MODE
 172         p_pusch_info->timing_advance = p_fapi_crc_ind_info->timingAdvance =
 173             p_ul_crc_struct->nTA;
 174 #endif
 175         p_fapi_crc_ind_info->rssi = 880;
 176
 177         p_stats->fapi_stats.fapi_crc_ind_pdus++;
 178     }
 179     return SUCCESS;
 180 }