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Refactored code to improve readability in fill_oai_dci function

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This commit is contained in:
Xenofon Foukas
2016-02-04 13:29:05 +00:00
parent e3aa8400d4
commit b784e6bd64
2 changed files with 134 additions and 130 deletions
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openair2/LAYER2/MAC/eNB_agent_scheduler_dataplane.c
+75 -130
View File
@@ -48,6 +48,7 @@
#include "LAYER2/MAC/defs.h"
#include "LAYER2/MAC/proto.h"
#include "LAYER2/MAC/extern.h"
#include "LAYER2/MAC/progran_dci_conversions.h"
#include "UTIL/LOG/log.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
@@ -104,6 +105,7 @@ void apply_ue_spec_scheduling_decisions(mid_t mod_id,
unsigned char aggregation;
mac_rlc_status_resp_t rlc_status;
unsigned char header_len_dcch=0, header_len_dcch_tmp=0,header_len_dtch=0,header_len_dtch_tmp=0, ta_len=0;
unsigned char header_len = 0, header_len_tmp = 0;
unsigned char sdu_lcids[11],offset,num_sdus=0;
uint16_t nb_rb,nb_rb_temp,total_nb_available_rb[MAX_NUM_CCs],nb_available_rb;
uint16_t TBS,j,sdu_lengths[11],rnti,padding=0,post_padding=0;
@@ -156,27 +158,18 @@ void apply_ue_spec_scheduling_decisions(mid_t mod_id,
rlc_status.bytes_in_buffer = 0;
TBS = dl_dci->tbs_size[0];
LOG_D(MAC,"[TEST] The TBS during the creation process is %d\n", TBS);
if (dl_data->n_ce_bitmap > 0) {
//Check if there is TA command
if (dl_data->ce_bitmap[0] & PROTOCOL__PRP_CE_TYPE__PRPCET_TA) {
ta_len = 2;
LOG_D(MAC, "[TEST] Need to send timing advance\n");
} else {
ta_len = 0;
LOG_D(MAC, "[TEST] No timing advance\n");
}
//Check if there is TA command and set the length appropriately
ta_len = (dl_data->ce_bitmap[0] & PROTOCOL__PRP_CE_TYPE__PRPCET_TA) ? 2 : 0;
}
n_lc = dl_data->n_rlc_pdu;
num_sdus = 0;
sdu_length_total = 0;
// Go through each one of the channel commands and create SDUs
for (i = 0; i < n_lc; i++) {
lcid = dl_data->rlc_pdu[i]->rlc_pdu_tb[0]->logical_channel_id;
LOG_D(MAC, "[TEST] Going through SDU of channel %d\n", lcid);
rlc_size = dl_data->rlc_pdu[i]->rlc_pdu_tb[0]->size;
LOG_D(MAC,"[TEST] [eNB %d] Frame %d, LCID %d, CC_id %d, Requesting %d bytes from RLC (RRC message)\n",
mod_id, frame, lcid, CC_id, rlc_size);
@@ -204,24 +197,17 @@ void apply_ue_spec_scheduling_decisions(mid_t mod_id,
lcid,
(char *)&dlsch_buffer[sdu_length_total]);
LOG_D(MAC, "[TEST] RLC gave %d bytes in LCID %d\n", sdu_lengths[i], lcid);
LOG_D(MAC,"[eNB %d][LCID %d] CC_id %d Got %d bytes from RLC\n",mod_id, lcid, CC_id, sdu_lengths[i]);
sdu_length_total += sdu_lengths[i];
LOG_D(MAC, "[TEST] Total sdu size became %d\n", sdu_length_total);
sdu_lcids[i] = lcid;
UE_list->eNB_UE_stats[CC_id][UE_id].num_pdu_tx[lcid] += 1;
UE_list->eNB_UE_stats[CC_id][UE_id].num_bytes_tx[lcid] += sdu_lengths[i];
if (lcid == DCCH || lcid == DCCH1) {
header_len_dcch += 2;
} else if (lcid == DTCH) {
if (sdu_lengths[i] < 128) {
header_len_dtch = 2;
} else {
header_len_dtch = 3;
}
if (sdu_lengths[i] < 128) {
header_len += 2;
} else {
header_len += 3;
}
num_sdus++;
@@ -229,46 +215,34 @@ void apply_ue_spec_scheduling_decisions(mid_t mod_id,
} // SDU creation end
if (((sdu_length_total + header_len_dcch + header_len_dtch) > 0)) {
if (((sdu_length_total + header_len) > 0)) {
header_len_tmp = header_len;
header_len_dcch_tmp = header_len_dcch;
header_len_dtch_tmp = header_len_dtch;
if (header_len_dtch==0) {
header_len_dcch = (header_len_dcch >0) ? (header_len_dcch - 1) : header_len_dcch; // remove length field
// If we have only a single SDU, header length becomes 1
if (header_len == 2 || header_len == 3) {
header_len = 1;
} else {
header_len_dtch = (header_len_dtch > 0) ? 1 : header_len_dtch; // remove length field for the last SDU
header_len--;
}
// there is a payload
if (((sdu_length_total + header_len_dcch + header_len_dtch ) > 0)) {
if ((TBS - header_len_dcch - header_len_dtch - sdu_length_total - ta_len) <= 2
|| (TBS - header_len_dcch - header_len_dtch - sdu_length_total - ta_len) > TBS) { //protect from overflow
padding = (TBS - header_len_dcch - header_len_dtch - sdu_length_total - ta_len);
if (((sdu_length_total + header_len) > 0)) {
// If we need a 1 or 2 bit padding or no padding at all
if ((TBS - header_len - sdu_length_total - ta_len) <= 2
|| (TBS - header_len - sdu_length_total - ta_len) > TBS) { //protect from overflow
padding = (TBS - header_len - sdu_length_total - ta_len);
post_padding = 0;
} else {
} else { // The last sdu needs to have a length field, since we add padding
padding = 0;
// adjust the header len
if (header_len_dtch==0) {
header_len_dcch = header_len_dcch_tmp;
} else {
header_len_dtch = header_len_dtch_tmp;
}
post_padding = TBS - sdu_length_total - header_len_dcch - header_len_dtch - ta_len - 1; // 1 is for the postpadding header
header_len = header_len_tmp;
post_padding = TBS - sdu_length_total - header_len - ta_len - 1; // 1 is for the postpadding header
}
}
if (ta_len > 0) {
ta_update = ue_sched_ctl->ta_update;
} else {
ta_update = 0;
}
ta_update = (ta_len > 0) ? ue_sched_ctl->ta_update : 0;
offset = generate_dlsch_header((unsigned char*)UE_list->DLSCH_pdu[CC_id][0][UE_id].payload[0],
// offset = generate_dlsch_header((unsigned char*)eNB_mac_inst[0].DLSCH_pdu[0][0].payload[0],
num_sdus, //num_sdus
sdu_lengths, //
sdu_lcids,
@@ -364,6 +338,8 @@ void fill_oai_dci(mid_t mod_id, uint32_t CC_id, uint32_t rnti,
int UE_id = find_ue(rnti, PHY_vars_eNB_g[mod_id][CC_id]);
uint32_t format;
harq_pid = dl_dci->harq_process;
round = dl_dci->rv[0];
@@ -377,14 +353,7 @@ void fill_oai_dci(mid_t mod_id, uint32_t CC_id, uint32_t rnti,
case 6:
if (frame_parms[CC_id]->frame_type == TDD) {
if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_1) {
((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->rv = round;
((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->dai = dl_dci->dai;
((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->rballoc = dl_dci->rb_bitmap;
((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->rah = dl_dci->res_alloc;
((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->mcs = dl_dci->mcs[0];
((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->TPC = dl_dci->tpc;
((DCI1_1_5MHz_TDD_t*)DLSCH_dci)->ndi = dl_dci->ndi[0];
FILL_DCI_TDD_1(DCI1_1_5MHz_TDD_t, DLSCH_dci, dl_dci);
size_bytes = sizeof(DCI1_1_5MHz_TDD_t);
size_bits = sizeof_DCI1_1_5MHz_TDD_t;
} else if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_2A) {
@@ -394,14 +363,7 @@ void fill_oai_dci(mid_t mod_id, uint32_t CC_id, uint32_t rnti,
}
} else {
if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_1) {
LOG_D(MAC,"[TEST] Setting DCI format 1\n");
((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->harq_pid = harq_pid;
((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->rv = round;
((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->rballoc = dl_dci->rb_bitmap;
((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->rah = dl_dci->res_alloc;
((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->mcs = dl_dci->mcs[0];
((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->TPC = dl_dci->tpc;
((DCI1_1_5MHz_FDD_t*)DLSCH_dci)->ndi = dl_dci->ndi[0];
FILL_DCI_FDD_1(DCI1_1_5MHz_FDD_t, DLSCH_dci, dl_dci);
size_bytes = sizeof(DCI1_1_5MHz_FDD_t);
size_bits = sizeof_DCI1_1_5MHz_FDD_t;
} else if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_2A) {
@@ -414,14 +376,7 @@ void fill_oai_dci(mid_t mod_id, uint32_t CC_id, uint32_t rnti,
case 25:
if (frame_parms[CC_id]->frame_type == TDD) {
if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_1) {
((DCI1_5MHz_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
((DCI1_5MHz_TDD_t*)DLSCH_dci)->rv = round;
((DCI1_5MHz_TDD_t*)DLSCH_dci)->dai = dl_dci->dai;
((DCI1_5MHz_TDD_t*)DLSCH_dci)->rballoc = dl_dci->rb_bitmap;
((DCI1_5MHz_TDD_t*)DLSCH_dci)->rah = dl_dci->res_alloc;
((DCI1_5MHz_TDD_t*)DLSCH_dci)->mcs = dl_dci->mcs[0];
((DCI1_5MHz_TDD_t*)DLSCH_dci)->TPC = dl_dci->tpc;
((DCI1_5MHz_TDD_t*)DLSCH_dci)->ndi = dl_dci->ndi[0];
FILL_DCI_TDD_1(DCI1_5MHz_TDD_t, DLSCH_dci, dl_dci);
size_bytes = sizeof(DCI1_5MHz_TDD_t);
size_bits = sizeof_DCI1_5MHz_TDD_t;
} else if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_2A) {
@@ -431,13 +386,7 @@ void fill_oai_dci(mid_t mod_id, uint32_t CC_id, uint32_t rnti,
}
} else {
if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_1) {
((DCI1_5MHz_FDD_t*)DLSCH_dci)->harq_pid = harq_pid;
((DCI1_5MHz_FDD_t*)DLSCH_dci)->rv = round;
((DCI1_5MHz_FDD_t*)DLSCH_dci)->rballoc = dl_dci->rb_bitmap;
((DCI1_5MHz_FDD_t*)DLSCH_dci)->rah = dl_dci->res_alloc;
((DCI1_5MHz_FDD_t*)DLSCH_dci)->mcs = dl_dci->mcs[0];
((DCI1_5MHz_FDD_t*)DLSCH_dci)->TPC = dl_dci->tpc;
((DCI1_5MHz_FDD_t*)DLSCH_dci)->ndi = dl_dci->ndi[0];
FILL_DCI_FDD_1(DCI1_5MHz_FDD_t, DLSCH_dci, dl_dci);
size_bytes = sizeof(DCI1_5MHz_FDD_t);
size_bits = sizeof_DCI1_5MHz_FDD_t;
} else if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_2A) {
@@ -450,14 +399,7 @@ void fill_oai_dci(mid_t mod_id, uint32_t CC_id, uint32_t rnti,
case 50:
if (frame_parms[CC_id]->frame_type == TDD) {
if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_1) {
((DCI1_10MHz_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
((DCI1_10MHz_TDD_t*)DLSCH_dci)->rv = round;
((DCI1_10MHz_TDD_t*)DLSCH_dci)->dai = dl_dci->dai;
((DCI1_10MHz_TDD_t*)DLSCH_dci)->rballoc = dl_dci->rb_bitmap;
((DCI1_10MHz_TDD_t*)DLSCH_dci)->rah = dl_dci->res_alloc;
((DCI1_10MHz_TDD_t*)DLSCH_dci)->mcs = dl_dci->mcs[0];
((DCI1_10MHz_TDD_t*)DLSCH_dci)->TPC = dl_dci->tpc;
((DCI1_10MHz_TDD_t*)DLSCH_dci)->ndi = dl_dci->ndi[0];
FILL_DCI_TDD_1(DCI1_10MHz_TDD_t, DLSCH_dci, dl_dci);
size_bytes = sizeof(DCI1_10MHz_TDD_t);
size_bits = sizeof_DCI1_10MHz_TDD_t;
} else if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_2A) {
@@ -467,13 +409,7 @@ void fill_oai_dci(mid_t mod_id, uint32_t CC_id, uint32_t rnti,
}
} else {
if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_1) {
((DCI1_10MHz_FDD_t*)DLSCH_dci)->harq_pid = harq_pid;
((DCI1_10MHz_FDD_t*)DLSCH_dci)->rv = round;
((DCI1_10MHz_FDD_t*)DLSCH_dci)->rballoc = dl_dci->rb_bitmap;
((DCI1_10MHz_FDD_t*)DLSCH_dci)->rah = dl_dci->res_alloc;
((DCI1_10MHz_FDD_t*)DLSCH_dci)->mcs = dl_dci->mcs[0];
((DCI1_10MHz_FDD_t*)DLSCH_dci)->TPC = dl_dci->tpc;
((DCI1_10MHz_TDD_t*)DLSCH_dci)->ndi = dl_dci->ndi[0];
FILL_DCI_FDD_1(DCI1_10MHz_FDD_t, DLSCH_dci, dl_dci);
size_bytes = sizeof(DCI1_10MHz_FDD_t);
size_bits = sizeof_DCI1_10MHz_FDD_t;
} else if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_2A) {
@@ -486,14 +422,7 @@ void fill_oai_dci(mid_t mod_id, uint32_t CC_id, uint32_t rnti,
case 100:
if (frame_parms[CC_id]->frame_type == TDD) {
if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_1) {
((DCI1_20MHz_TDD_t*)DLSCH_dci)->harq_pid = harq_pid;
((DCI1_20MHz_TDD_t*)DLSCH_dci)->rv = round;
((DCI1_20MHz_TDD_t*)DLSCH_dci)->dai = dl_dci->dai;
((DCI1_20MHz_TDD_t*)DLSCH_dci)->rballoc = dl_dci->rb_bitmap;
((DCI1_20MHz_TDD_t*)DLSCH_dci)->rah = dl_dci->res_alloc;
((DCI1_20MHz_TDD_t*)DLSCH_dci)->mcs = dl_dci->mcs[0];
((DCI1_20MHz_TDD_t*)DLSCH_dci)->TPC = dl_dci->tpc;
((DCI1_20MHz_TDD_t*)DLSCH_dci)->ndi = dl_dci->ndi[0];
FILL_DCI_TDD_1(DCI1_20MHz_TDD_t, DLSCH_dci, dl_dci);
size_bytes = sizeof(DCI1_20MHz_TDD_t);
size_bits = sizeof_DCI1_20MHz_TDD_t;
} else if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_2A) {
@@ -503,13 +432,7 @@ void fill_oai_dci(mid_t mod_id, uint32_t CC_id, uint32_t rnti,
}
} else {
if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_1) {
((DCI1_20MHz_FDD_t*)DLSCH_dci)->harq_pid = harq_pid;
((DCI1_20MHz_FDD_t*)DLSCH_dci)->rv = round;
((DCI1_20MHz_FDD_t*)DLSCH_dci)->rballoc = dl_dci->rb_bitmap;
((DCI1_20MHz_FDD_t*)DLSCH_dci)->rah = dl_dci->res_alloc;
((DCI1_20MHz_FDD_t*)DLSCH_dci)->mcs = dl_dci->mcs[0];
((DCI1_20MHz_FDD_t*)DLSCH_dci)->TPC = dl_dci->tpc;
((DCI1_20MHz_FDD_t*)DLSCH_dci)->ndi = dl_dci->ndi[0];
FILL_DCI_FDD_1(DCI1_20MHz_FDD_t, DLSCH_dci, dl_dci);
size_bytes = sizeof(DCI1_20MHz_FDD_t);
size_bits = sizeof_DCI1_20MHz_FDD_t;
} else if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_2A) {
@@ -521,24 +444,46 @@ void fill_oai_dci(mid_t mod_id, uint32_t CC_id, uint32_t rnti,
break;
}
//Add DCI based on format
if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_1) {
add_ue_spec_dci(DCI_pdu,
DLSCH_dci,
rnti,
size_bytes,
dl_dci->aggr_level,//aggregation
size_bits,
format1,
0);
} else if (dl_dci->format == PROTOCOL__PRP_DCI_FORMAT__PRDCIF_2A) {
add_ue_spec_dci(DCI_pdu,
DLSCH_dci,
rnti,
size_bytes,
dl_dci->aggr_level,//aggregation
size_bits,
format2A,
0);
//Set format to the proper type
switch(dl_dci->format) {
case PROTOCOL__PRP_DCI_FORMAT__PRDCIF_1:
format = format1;
break;
case PROTOCOL__PRP_DCI_FORMAT__PRDCIF_1A:
format = format1A;
break;
case PROTOCOL__PRP_DCI_FORMAT__PRDCIF_1B:
format = format1B;
break;
case PROTOCOL__PRP_DCI_FORMAT__PRDCIF_1C:
format = format1C;
break;
case PROTOCOL__PRP_DCI_FORMAT__PRDCIF_1D:
format = format1E_2A_M10PRB;
break;
case PROTOCOL__PRP_DCI_FORMAT__PRDCIF_2:
format = format2;
break;
case PROTOCOL__PRP_DCI_FORMAT__PRDCIF_2A:
format = format2A;
break;
case PROTOCOL__PRP_DCI_FORMAT__PRDCIF_2B:
format = format2B;
break;
case PROTOCOL__PRP_DCI_FORMAT__PRDCIF_3:
format = 3;
break;
default:
/*TODO: Need to deal with unsupported DCI type*/
return;
}
add_ue_spec_dci(DCI_pdu,
DLSCH_dci,
rnti,
size_bytes,
dl_dci->aggr_level,
size_bits,
format,
0);
}
openair2/LAYER2/MAC/progran_dci_conversions.h
+59
View File
@@ -0,0 +1,59 @@
/*******************************************************************************
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, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
*******************************************************************************/
/*! \file dci_conversions.h
* \brief Conversion helpers from progran messages to OAI formats DCI
* \author Xenofon Foukas
* \date 2016
* \version 0.1
*/
#ifndef LAYER2_MAC_PROGRAN_DCI_CONVERISIONS_H__
#define LAYER2_MAC_DCI_PROGRAN_CONVERISIONS_H__
#define FILL_DCI_FDD_1(TYPE, DCI, PROGRAN_DCI) \
((TYPE*)DCI)->harq_pid = PROGRAN_DCI->harq_process; \
((TYPE*)DCI)->rv = PROGRAN_DCI->rv[0]; \
((TYPE*)DCI)->rballoc = PROGRAN_DCI->rb_bitmap; \
((TYPE*)DCI)->rah = PROGRAN_DCI->res_alloc; \
((TYPE*)DCI)->mcs = PROGRAN_DCI->mcs[0]; \
((TYPE*)DCI)->TPC = PROGRAN_DCI->tpc; \
((TYPE*)DCI)->ndi = PROGRAN_DCI->ndi[0];
#define FILL_DCI_TDD_1(TYPE, DCI, PROGRAN_DCI) \
((TYPE*)DCI)->harq_pid = PROGRAN_DCI->harq_process; \
((TYPE*)DCI)->rv = PROGRAN_DCI->rv[0]; \
((TYPE*)DCI)->dai = PROGRAN_DCI->dai; \
((TYPE*)DCI)->rballoc = PROGRAN_DCI->rb_bitmap; \
((TYPE*)DCI)->rah = PROGRAN_DCI->res_alloc; \
((TYPE*)DCI)->mcs = PROGRAN_DCI->mcs[0]; \
((TYPE*)DCI)->TPC = PROGRAN_DCI->tpc; \
((TYPE*)DCI)->ndi = PROGRAN_DCI->ndi[0];
#endif