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openairinterface5g/openair1/PHY/LTE_TRANSPORT/rar_tools.c
T
Cedric Roux aea6b4b5a6 fix a lot of file mode 
For whatever reason most of the files had their permission
changed from 644 to 755, which is not wanted.
2019-01-07 16:22:28 +01:00

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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (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.openairinterface.org/?page_id=698
*
* 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.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file PHY/LTE_TRANSPORT/rar_tools.c
* \brief Routine for filling the PUSCH/ULSCH data structures based on a random-access response (RAR) SDU from MAC. Note this is for eNB.
* \author R. Knopp
* \date 2011
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr
* \note
* \warning
*/
#include "PHY/defs_eNB.h"
#include "PHY/phy_extern.h"
#include "SCHED/sched_eNB.h"
#include "LAYER2/MAC/mac.h"
#include "common/utils/LOG/vcd_signal_dumper.h"
#include "PHY/LTE_TRANSPORT/transport_proto.h"
#include "assertions.h"
extern uint16_t RIV2nb_rb_LUT6[32];
extern uint16_t RIV2first_rb_LUT6[32];
extern uint16_t RIV2nb_rb_LUT25[512];
extern uint16_t RIV2first_rb_LUT25[512];
extern uint16_t RIV2nb_rb_LUT50[1600];
extern uint16_t RIV2first_rb_LUT50[1600];
extern uint16_t RIV2nb_rb_LUT100[6000];
extern uint16_t RIV2first_rb_LUT100[600];
extern uint16_t RIV_max6,RIV_max25,RIV_max50,RIV_max100;
//#define DEBUG_RAR
int generate_eNB_ulsch_params_from_rar(PHY_VARS_eNB *eNB,
unsigned char *rar_pdu,
uint32_t frame,
unsigned char subframe){
LTE_DL_FRAME_PARMS *frame_parms = &eNB->frame_parms;
// RA_HEADER_RAPID *rarh = (RA_HEADER_RAPID *)rar_pdu;
// RAR_PDU *rar = (RAR_PDU *)(rar_pdu+1);
uint8_t *rar = (uint8_t *)(rar_pdu+1);
uint8_t harq_pid = get_Msg3_harq_pid(frame_parms,frame,subframe);
uint16_t rballoc;
uint8_t cqireq;
uint16_t *RIV2nb_rb_LUT, *RIV2first_rb_LUT;
uint16_t RIV_max;
uint16_t use_srs=0;
uint16_t rnti;
LTE_eNB_ULSCH_t *ulsch;
LTE_UL_eNB_HARQ_t *ulsch_harq;
int8_t UE_id;
LOG_I(PHY,"[eNB][RAPROC] generate_eNB_ulsch_params_from_rar: subframe %d (harq_pid %d)\n",subframe,harq_pid);
rnti = (((uint16_t)rar[4])<<8)+rar[5];
AssertFatal((UE_id = find_ulsch(rnti,eNB,SEARCH_EXIST_OR_FREE))>=0,
"Cannot get UE id for RAR (rnti %x)\n",rnti);
ulsch = eNB->ulsch[UE_id];
ulsch_harq = ulsch->harq_processes[harq_pid];
switch (frame_parms->N_RB_DL) {
case 6:
RIV2nb_rb_LUT = &RIV2nb_rb_LUT6[0];
RIV2first_rb_LUT = &RIV2first_rb_LUT6[0];
RIV_max = RIV_max6;
break;
case 25:
RIV2nb_rb_LUT = &RIV2nb_rb_LUT25[0];
RIV2first_rb_LUT = &RIV2first_rb_LUT25[0];
RIV_max = RIV_max25;
break;
case 50:
RIV2nb_rb_LUT = &RIV2nb_rb_LUT50[0];
RIV2first_rb_LUT = &RIV2first_rb_LUT50[0];
RIV_max = RIV_max50;
break;
case 100:
RIV2nb_rb_LUT = &RIV2nb_rb_LUT100[0];
RIV2first_rb_LUT = &RIV2first_rb_LUT100[0];
RIV_max = RIV_max100;
break;
default:
DevParam(frame_parms->N_RB_DL, harq_pid, 0);
break;
}
rballoc = (((uint16_t)(rar[1]&7))<<7)|(rar[2]>>1);
if (rballoc>RIV_max) {
LOG_E(PHY,"[eNB]dci_tools.c: ERROR: rb_alloc (%x)> RIV_max\n",rballoc);
return(-1);
}
ulsch_harq->rar_alloc = 1;
ulsch_harq->first_rb = RIV2first_rb_LUT[rballoc];
ulsch_harq->nb_rb = RIV2nb_rb_LUT[rballoc];
// ulsch_harq->Ndi = 1;
cqireq = rar[3]&1;
if (cqireq==1) {
ulsch_harq->Or2 = sizeof_wideband_cqi_rank2_2A_5MHz;
ulsch_harq->Or1 = sizeof_wideband_cqi_rank1_2A_5MHz;
ulsch_harq->O_RI = 1;
} else {
ulsch_harq->O_RI = 0;//1;
ulsch_harq->Or2 = 0;
ulsch_harq->Or1 = 0;
}
ulsch_harq->O_ACK = 0;//2;
ulsch->beta_offset_cqi_times8 = 18;
ulsch->beta_offset_ri_times8 = 10;
ulsch->beta_offset_harqack_times8 = 16;
ulsch->rnti = rnti;
ulsch->harq_mask = 1<<harq_pid;
// if (ulsch_harq->round == 0) {
ulsch_harq->status = ACTIVE;
ulsch_harq->rvidx = 0;
uint8_t mcs = ((rar[2]&1)<<3)|(rar[3]>>5);
ulsch_harq->TBS = TBStable[get_I_TBS_UL(mcs)][ulsch_harq->nb_rb-1];
ulsch_harq->Qm = get_Qm_ul(mcs);
ulsch_harq->Msc_initial = 12*ulsch_harq->nb_rb;
ulsch_harq->Nsymb_initial = 9;
ulsch_harq->round = 0;
/* } else {
ulsch_harq->rvidx = 0;
ulsch_harq->round++;
}*/
ulsch->Msg3_active = 1;
get_Msg3_alloc(frame_parms,
subframe,
frame,
&ulsch_harq->frame,
&ulsch_harq->subframe);
LOG_I(PHY,"Programming msg3 reception in (%d,%d) mcs:%d TBS:%d Qm:%d Mcs_intial:%d Nsymb_intial:%d round:%d\n",
ulsch_harq->frame,ulsch_harq->subframe,
mcs, ulsch_harq->TBS, ulsch_harq->Qm, ulsch_harq->Msc_initial, ulsch_harq->Nsymb_initial, ulsch_harq->round);
use_srs = is_srs_occasion_common(frame_parms,ulsch_harq->frame,ulsch_harq->subframe);
ulsch_harq->Nsymb_pusch = 12-(frame_parms->Ncp<<1)-(use_srs==0?0:1);
ulsch_harq->srs_active = use_srs;
#ifdef DEBUG_RAR
LOG_D(PHY,"ulsch ra (eNB): harq_pid %d\n",harq_pid);
LOG_D(PHY,"ulsch ra (eNB): NBRB %d\n",ulsch_harq->nb_rb);
LOG_D(PHY,"ulsch ra (eNB): rballoc %x\n",ulsch_harq->first_rb);
LOG_D(PHY,"ulsch ra (eNB): harq_pid %d\n",harq_pid);
LOG_D(PHY,"ulsch ra (eNB): round %d\n",ulsch_harq->round);
LOG_D(PHY,"ulsch ra (eNB): TBS %d\n",ulsch_harq->TBS);
LOG_D(PHY,"ulsch ra (eNB): mcs %d\n",ulsch_harq->Msc_initial);
LOG_D(PHY,"ulsch ra (eNB): Or1 %d\n",ulsch_harq->Or1);
LOG_D(PHY,"ulsch ra (eNB): ORI %d\n",ulsch_harq->O_RI);
#endif
return(0);
}
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