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fc16814d94de07f866bb88f74de83685f5af69cd
openairinterface5g/openair2/LAYER2/MAC/eNB_scheduler_bch.c
T
Cedric Roux 20b6fee632 remove more warnings
2016-03-27 13:36:37 +02:00

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/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \file eNB_scheduler_bch.c
* \brief procedures related to eNB for the BCH transport channel
* \author Navid Nikaein and Raymond Knopp
* \date 2010 - 2014
* \email: navid.nikaein@eurecom.fr
* \version 1.0
* @ingroup _mac
*/
#include "assertions.h"
#include "PHY/defs.h"
#include "PHY/extern.h"
#include "SCHED/defs.h"
#include "SCHED/extern.h"
#include "LAYER2/MAC/defs.h"
#include "LAYER2/MAC/proto.h"
#include "LAYER2/MAC/extern.h"
#include "UTIL/LOG/log.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#include "UTIL/OPT/opt.h"
#include "OCG.h"
#include "OCG_extern.h"
#include "RRC/LITE/extern.h"
#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h"
//#include "LAYER2/MAC/pre_processor.c"
#include "pdcp.h"
#if defined(ENABLE_ITTI)
# include "intertask_interface.h"
#endif
#define ENABLE_MAC_PAYLOAD_DEBUG
#define DEBUG_eNB_SCHEDULER 1
//------------------------------------------------------------------------------
void
schedule_SI(
module_id_t module_idP,
frame_t frameP,
sub_frame_t subframeP)
//------------------------------------------------------------------------------
{
int8_t bcch_sdu_length;
int mcs = -1;
void *BCCH_alloc_pdu;
int CC_id;
eNB_MAC_INST *eNB = &eNB_mac_inst[module_idP];
uint8_t *vrb_map;
int first_rb = -1;
int rballoc[MAX_NUM_CCs];
int sizeof1A_bytes,sizeof1A_bits = -1;
DCI_PDU *DCI_pdu;
start_meas(&eNB->schedule_si);
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
BCCH_alloc_pdu = (void*)&eNB->common_channels[CC_id].BCCH_alloc_pdu;
DCI_pdu = (void*)&eNB->common_channels[CC_id].DCI_pdu;
vrb_map = (void*)&eNB->common_channels[CC_id].vrb_map;
bcch_sdu_length = mac_rrc_data_req(module_idP,
CC_id,
frameP,
BCCH,1,
&eNB->common_channels[CC_id].BCCH_pdu.payload[0],
1,
module_idP,
0); // not used in this case
if (bcch_sdu_length > 0) {
LOG_D(MAC,"[eNB %d] Frame %d : BCCH->DLSCH CC_id %d, Received %d bytes \n",module_idP,frameP,CC_id,bcch_sdu_length);
// Allocate 4 PRBs in a random location
/*
while (1) {
first_rb = (unsigned char)(taus()%(PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.N_RB_DL-4));
if ((vrb_map[first_rb] != 1) &&
(vrb_map[first_rb+1] != 1) &&
(vrb_map[first_rb+2] != 1) &&
(vrb_map[first_rb+3] != 1))
break;
}
*/
switch (PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.N_RB_DL) {
case 6:
first_rb = 0;
break;
case 15:
first_rb = 6;
break;
case 25:
first_rb = 11;
break;
case 50:
first_rb = 23;
break;
case 100:
first_rb = 48;
break;
}
vrb_map[first_rb] = 1;
vrb_map[first_rb+1] = 1;
vrb_map[first_rb+2] = 1;
vrb_map[first_rb+3] = 1;
// Get MCS for length of SI
if (bcch_sdu_length <= (mac_xface->get_TBS_DL(0,3))) {
mcs=0;
} else if (bcch_sdu_length <= (mac_xface->get_TBS_DL(1,3))) {
mcs=1;
} else if (bcch_sdu_length <= (mac_xface->get_TBS_DL(2,3))) {
mcs=2;
} else if (bcch_sdu_length <= (mac_xface->get_TBS_DL(3,3))) {
mcs=3;
} else if (bcch_sdu_length <= (mac_xface->get_TBS_DL(4,3))) {
mcs=4;
} else if (bcch_sdu_length <= (mac_xface->get_TBS_DL(5,3))) {
mcs=5;
} else if (bcch_sdu_length <= (mac_xface->get_TBS_DL(6,3))) {
mcs=6;
} else if (bcch_sdu_length <= (mac_xface->get_TBS_DL(7,3))) {
mcs=7;
} else if (bcch_sdu_length <= (mac_xface->get_TBS_DL(8,3))) {
mcs=8;
}
if (PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.frame_type == TDD) {
switch (PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.N_RB_DL) {
case 6:
((DCI1A_1_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->mcs = mcs;
((DCI1A_1_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->rballoc = mac_xface->computeRIV(PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.N_RB_DL,first_rb,4);
((DCI1A_1_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->type = 1;
((DCI1A_1_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->vrb_type = 0;
((DCI1A_1_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->ndi = 1;
((DCI1A_1_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->rv = 1;
((DCI1A_1_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->harq_pid = 0;
((DCI1A_1_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->TPC = 1;
((DCI1A_1_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->padding = 0;
rballoc[CC_id] |= mac_xface->get_rballoc(0,((DCI1A_1_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->rballoc);
sizeof1A_bytes = sizeof(DCI1A_1_5MHz_TDD_1_6_t);
sizeof1A_bits = sizeof_DCI1A_1_5MHz_TDD_1_6_t;
break;
case 25:
((DCI1A_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->mcs = mcs;
((DCI1A_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->rballoc = mac_xface->computeRIV(PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.N_RB_DL,first_rb,4);
((DCI1A_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->type = 1;
((DCI1A_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->vrb_type = 0;
((DCI1A_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->ndi = 1;
((DCI1A_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->rv = 1;
((DCI1A_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->harq_pid = 0;
((DCI1A_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->TPC = 1;
((DCI1A_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->padding = 0;
rballoc[CC_id] |= mac_xface->get_rballoc(0,((DCI1A_5MHz_TDD_1_6_t*)BCCH_alloc_pdu)->rballoc);
sizeof1A_bytes = sizeof(DCI1A_5MHz_TDD_1_6_t);
sizeof1A_bits = sizeof_DCI1A_5MHz_TDD_1_6_t;
break;
case 50:
((DCI1A_10MHz_TDD_1_6_t*)BCCH_alloc_pdu)->mcs = mcs;
((DCI1A_10MHz_TDD_1_6_t*)BCCH_alloc_pdu)->rballoc = mac_xface->computeRIV(PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.N_RB_DL,first_rb,4);
((DCI1A_10MHz_TDD_1_6_t*)BCCH_alloc_pdu)->type = 1;
((DCI1A_10MHz_TDD_1_6_t*)BCCH_alloc_pdu)->vrb_type = 0;
((DCI1A_10MHz_TDD_1_6_t*)BCCH_alloc_pdu)->ndi = 1;
((DCI1A_10MHz_TDD_1_6_t*)BCCH_alloc_pdu)->rv = 1;
((DCI1A_10MHz_TDD_1_6_t*)BCCH_alloc_pdu)->harq_pid = 0;
((DCI1A_10MHz_TDD_1_6_t*)BCCH_alloc_pdu)->TPC = 1;
((DCI1A_10MHz_TDD_1_6_t*)BCCH_alloc_pdu)->padding = 0;
rballoc[CC_id] |= mac_xface->get_rballoc(0,((DCI1A_10MHz_TDD_1_6_t*)BCCH_alloc_pdu)->rballoc);
sizeof1A_bytes = sizeof(DCI1A_10MHz_TDD_1_6_t);
sizeof1A_bits = sizeof_DCI1A_10MHz_TDD_1_6_t;
break;
case 100:
((DCI1A_20MHz_TDD_1_6_t*)BCCH_alloc_pdu)->mcs = mcs;
((DCI1A_20MHz_TDD_1_6_t*)BCCH_alloc_pdu)->rballoc = mac_xface->computeRIV(PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.N_RB_DL,first_rb,4);
((DCI1A_20MHz_TDD_1_6_t*)BCCH_alloc_pdu)->type = 1;
((DCI1A_20MHz_TDD_1_6_t*)BCCH_alloc_pdu)->vrb_type = 0;
((DCI1A_20MHz_TDD_1_6_t*)BCCH_alloc_pdu)->ndi = 1;
((DCI1A_20MHz_TDD_1_6_t*)BCCH_alloc_pdu)->rv = 1;
((DCI1A_20MHz_TDD_1_6_t*)BCCH_alloc_pdu)->harq_pid = 0;
((DCI1A_20MHz_TDD_1_6_t*)BCCH_alloc_pdu)->TPC = 1;
((DCI1A_20MHz_TDD_1_6_t*)BCCH_alloc_pdu)->padding = 0;
rballoc[CC_id] |= mac_xface->get_rballoc(0,((DCI1A_20MHz_TDD_1_6_t*)BCCH_alloc_pdu)->rballoc);
sizeof1A_bytes = sizeof(DCI1A_20MHz_TDD_1_6_t);
sizeof1A_bits = sizeof_DCI1A_20MHz_TDD_1_6_t;
break;
}
} else {
switch (PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.N_RB_DL) {
case 6:
((DCI1A_1_5MHz_FDD_t*)BCCH_alloc_pdu)->mcs = mcs;
((DCI1A_1_5MHz_FDD_t*)BCCH_alloc_pdu)->rballoc = mac_xface->computeRIV(PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.N_RB_DL,first_rb,4);
((DCI1A_1_5MHz_FDD_t*)BCCH_alloc_pdu)->type = 1;
((DCI1A_1_5MHz_FDD_t*)BCCH_alloc_pdu)->vrb_type = 0;
((DCI1A_1_5MHz_FDD_t*)BCCH_alloc_pdu)->ndi = 1;
((DCI1A_1_5MHz_FDD_t*)BCCH_alloc_pdu)->rv = 1;
((DCI1A_1_5MHz_FDD_t*)BCCH_alloc_pdu)->harq_pid = 0;
((DCI1A_1_5MHz_FDD_t*)BCCH_alloc_pdu)->TPC = 1;
((DCI1A_1_5MHz_FDD_t*)BCCH_alloc_pdu)->padding = 0;
rballoc[CC_id] |= mac_xface->get_rballoc(0,((DCI1A_1_5MHz_FDD_t*)BCCH_alloc_pdu)->rballoc);
sizeof1A_bytes = sizeof(DCI1A_1_5MHz_FDD_t);
sizeof1A_bits = sizeof_DCI1A_1_5MHz_FDD_t;
break;
case 25:
((DCI1A_5MHz_FDD_t*)BCCH_alloc_pdu)->mcs = mcs;
((DCI1A_5MHz_FDD_t*)BCCH_alloc_pdu)->rballoc = mac_xface->computeRIV(PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.N_RB_DL,first_rb,4);
((DCI1A_5MHz_FDD_t*)BCCH_alloc_pdu)->type = 1;
((DCI1A_5MHz_FDD_t*)BCCH_alloc_pdu)->vrb_type = 0;
((DCI1A_5MHz_FDD_t*)BCCH_alloc_pdu)->ndi = 1;
((DCI1A_5MHz_FDD_t*)BCCH_alloc_pdu)->rv = 1;
((DCI1A_5MHz_FDD_t*)BCCH_alloc_pdu)->harq_pid = 0;
((DCI1A_5MHz_FDD_t*)BCCH_alloc_pdu)->TPC = 1;
((DCI1A_5MHz_FDD_t*)BCCH_alloc_pdu)->padding = 0;
rballoc[CC_id] |= mac_xface->get_rballoc(0,((DCI1A_5MHz_FDD_t*)BCCH_alloc_pdu)->rballoc);
sizeof1A_bytes = sizeof(DCI1A_5MHz_FDD_t);
sizeof1A_bits = sizeof_DCI1A_5MHz_FDD_t;
break;
case 50:
((DCI1A_10MHz_FDD_t*)BCCH_alloc_pdu)->mcs = mcs;
((DCI1A_10MHz_FDD_t*)BCCH_alloc_pdu)->rballoc = mac_xface->computeRIV(PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.N_RB_DL,first_rb,4);
((DCI1A_10MHz_FDD_t*)BCCH_alloc_pdu)->type = 1;
((DCI1A_10MHz_FDD_t*)BCCH_alloc_pdu)->vrb_type = 0;
((DCI1A_10MHz_FDD_t*)BCCH_alloc_pdu)->ndi = 1;
((DCI1A_10MHz_FDD_t*)BCCH_alloc_pdu)->rv = 1;
((DCI1A_10MHz_FDD_t*)BCCH_alloc_pdu)->harq_pid = 0;
((DCI1A_10MHz_FDD_t*)BCCH_alloc_pdu)->TPC = 1;
((DCI1A_10MHz_FDD_t*)BCCH_alloc_pdu)->padding = 0;
rballoc[CC_id] |= mac_xface->get_rballoc(0,((DCI1A_10MHz_FDD_t*)BCCH_alloc_pdu)->rballoc);
sizeof1A_bytes = sizeof(DCI1A_10MHz_FDD_t);
sizeof1A_bits = sizeof_DCI1A_10MHz_FDD_t;
break;
case 100:
((DCI1A_20MHz_FDD_t*)BCCH_alloc_pdu)->mcs = mcs;
((DCI1A_20MHz_FDD_t*)BCCH_alloc_pdu)->rballoc = mac_xface->computeRIV(PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.N_RB_DL,first_rb,4);
((DCI1A_20MHz_FDD_t*)BCCH_alloc_pdu)->type = 1;
((DCI1A_20MHz_FDD_t*)BCCH_alloc_pdu)->vrb_type = 0;
((DCI1A_20MHz_FDD_t*)BCCH_alloc_pdu)->ndi = 1;
((DCI1A_20MHz_FDD_t*)BCCH_alloc_pdu)->rv = 1;
((DCI1A_20MHz_FDD_t*)BCCH_alloc_pdu)->harq_pid = 0;
((DCI1A_20MHz_FDD_t*)BCCH_alloc_pdu)->TPC = 1;
((DCI1A_20MHz_FDD_t*)BCCH_alloc_pdu)->padding = 0;
rballoc[CC_id] |= mac_xface->get_rballoc(0,((DCI1A_20MHz_FDD_t*)BCCH_alloc_pdu)->rballoc);
sizeof1A_bytes = sizeof(DCI1A_20MHz_FDD_t);
sizeof1A_bits = sizeof_DCI1A_20MHz_FDD_t;
break;
}
}
if (!CCE_allocation_infeasible(module_idP,CC_id,1,subframeP,2,SI_RNTI)) {
add_common_dci(DCI_pdu,
BCCH_alloc_pdu,
SI_RNTI,
sizeof1A_bytes,
2,
sizeof1A_bits,
format1A,0);
}
else {
LOG_E(MAC,"[eNB %d] CCid %d Frame %d, subframe %d : Cannot add DCI 1A for SI\n",module_idP, CC_id,frameP,subframeP);
}
if (opt_enabled == 1) {
trace_pdu(1,
&eNB->common_channels[CC_id].BCCH_pdu.payload[0],
bcch_sdu_length,
0xffff,
4,
0xffff,
eNB->subframe,
0,
0);
LOG_D(OPT,"[eNB %d][BCH] Frame %d trace pdu for CC_id %d rnti %x with size %d\n",
module_idP, frameP, CC_id, 0xffff, bcch_sdu_length);
}
if (PHY_vars_eNB_g[module_idP][CC_id]->lte_frame_parms.frame_type == TDD) {
LOG_D(MAC,"[eNB] Frame %d : Scheduling BCCH->DLSCH (TDD) for CC_id %d SI %d bytes (mcs %d, rb 3, TBS %d)\n",
frameP,
CC_id,
bcch_sdu_length,
mcs,
mac_xface->get_TBS_DL(mcs,3));
} else {
LOG_D(MAC,"[eNB] Frame %d : Scheduling BCCH->DLSCH (FDD) for CC_id %d SI %d bytes (mcs %d, rb 3, TBS %d)\n",
frameP,
CC_id,
bcch_sdu_length,
mcs,
mac_xface->get_TBS_DL(mcs,3));
}
eNB->eNB_stats[CC_id].total_num_bcch_pdu+=1;
eNB->eNB_stats[CC_id].bcch_buffer=bcch_sdu_length;
eNB->eNB_stats[CC_id].total_bcch_buffer+=bcch_sdu_length;
eNB->eNB_stats[CC_id].bcch_mcs=mcs;
} else {
//LOG_D(MAC,"[eNB %d] Frame %d : BCCH not active \n",Mod_id,frame);
}
}
// this might be misleading when bcch is inactive
stop_meas(&eNB->schedule_si);
return;
}
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