5g-team
/
srsRAN_4G
mirror of https://github.com/pvnis/srsRAN_4G.git
2
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
fix-cqi
master
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '9a8257048d'
${ noResults }
srsRAN_4G/lib/test/upper/rlc_am_test.cc

1072 lines
30 KiB
C++
Raw Blame History

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2015 Software Radio Systems Limited
*
* \section LICENSE
*
* This file is part of the srsUE library.
*
* srsUE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsUE 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 Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#include <iostream>
#include "srslte/common/log_filter.h"
#include "srslte/common/logger_stdout.h"
#include "srslte/upper/rlc_am.h"
#include <assert.h>
#define NBUFS 5
using namespace srsue;
using namespace srslte;
class mac_dummy_timers
:public srslte::mac_interface_timers
{
public:
srslte::timers::timer* timer_get(uint32_t timer_id)
{
return &t;
}
uint32_t timer_get_unique_id(){return 0;}
void timer_release_id(uint32_t id){}
private:
srslte::timers::timer t;
};
class rlc_am_tester
:public pdcp_interface_rlc
,public rrc_interface_rlc
{
public:
rlc_am_tester(){
bzero(sdus, sizeof(sdus));
n_sdus = 0;
}
// PDCP interface
void write_pdu(uint32_t lcid, byte_buffer_t *sdu)
{
assert(lcid == 1);
sdus[n_sdus++] = sdu;
}
void write_pdu_bcch_bch(byte_buffer_t *sdu) {}
void write_pdu_bcch_dlsch(byte_buffer_t *sdu) {}
void write_pdu_pcch(byte_buffer_t *sdu) {}
// RRC interface
void max_retx_attempted(){}
std::string get_rb_name(uint32_t lcid) { return std::string(""); }
byte_buffer_t *sdus[10];
int n_sdus;
};
void basic_test()
{
srslte::log_filter log1("RLC_AM_1");
srslte::log_filter log2("RLC_AM_2");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(-1);
log2.set_hex_limit(-1);
rlc_am_tester tester;
mac_dummy_timers timers;
rlc_am rlc1;
rlc_am rlc2;
int len;
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
rlc1.init(&log1, 1, &tester, &tester, &timers);
rlc2.init(&log2, 1, &tester, &tester, &timers);
LIBLTE_RRC_RLC_CONFIG_STRUCT cnfg;
cnfg.rlc_mode = LIBLTE_RRC_RLC_MODE_AM;
cnfg.dl_am_rlc.t_reordering = LIBLTE_RRC_T_REORDERING_MS5;
cnfg.dl_am_rlc.t_status_prohibit = LIBLTE_RRC_T_STATUS_PROHIBIT_MS5;
cnfg.ul_am_rlc.max_retx_thresh = LIBLTE_RRC_MAX_RETX_THRESHOLD_T4;
cnfg.ul_am_rlc.poll_byte = LIBLTE_RRC_POLL_BYTE_KB25;
cnfg.ul_am_rlc.poll_pdu = LIBLTE_RRC_POLL_PDU_P4;
cnfg.ul_am_rlc.t_poll_retx = LIBLTE_RRC_T_POLL_RETRANSMIT_MS5;
rlc1.configure(&cnfg);
rlc2.configure(&cnfg);
// Push 5 SDUs into RLC1
byte_buffer_t sdu_bufs[NBUFS];
for(int i=0;i<NBUFS;i++)
{
*sdu_bufs[i].msg = i; // Write the index into the buffer
sdu_bufs[i].N_bytes = 1; // Give each buffer a size of 1 byte
rlc1.write_sdu(&sdu_bufs[i]);
}
assert(14 == rlc1.get_buffer_state());
// Read 5 PDUs from RLC1 (1 byte each)
byte_buffer_t pdu_bufs[NBUFS];
for(int i=0;i<NBUFS;i++)
{
len = rlc1.read_pdu(pdu_bufs[i].msg, 4); // 3 bytes for header + payload
pdu_bufs[i].N_bytes = len;
}
assert(0 == rlc1.get_buffer_state());
// Write 5 PDUs into RLC2
for(int i=0;i<NBUFS;i++)
{
rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes);
}
assert(2 == rlc2.get_buffer_state());
// Read status PDU from RLC2
byte_buffer_t status_buf;
len = rlc2.read_pdu(status_buf.msg, 2);
status_buf.N_bytes = len;
assert(0 == rlc2.get_buffer_state());
// Write status PDU to RLC1
rlc1.write_pdu(status_buf.msg, status_buf.N_bytes);
for(int i=0; i<tester.n_sdus; i++)
{
assert(tester.sdus[i]->N_bytes == 1);
assert(*(tester.sdus[i]->msg) == i);
}
}
void concat_test()
{
srslte::log_filter log1("RLC_AM_1");
srslte::log_filter log2("RLC_AM_2");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(-1);
log2.set_hex_limit(-1);
rlc_am_tester tester;
mac_dummy_timers timers;
rlc_am rlc1;
rlc_am rlc2;
int len;
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
rlc1.init(&log1, 1, &tester, &tester, &timers);
rlc2.init(&log2, 1, &tester, &tester, &timers);
LIBLTE_RRC_RLC_CONFIG_STRUCT cnfg;
cnfg.rlc_mode = LIBLTE_RRC_RLC_MODE_AM;
cnfg.dl_am_rlc.t_reordering = LIBLTE_RRC_T_REORDERING_MS5;
cnfg.dl_am_rlc.t_status_prohibit = LIBLTE_RRC_T_STATUS_PROHIBIT_MS5;
cnfg.ul_am_rlc.max_retx_thresh = LIBLTE_RRC_MAX_RETX_THRESHOLD_T4;
cnfg.ul_am_rlc.poll_byte = LIBLTE_RRC_POLL_BYTE_KB25;
cnfg.ul_am_rlc.poll_pdu = LIBLTE_RRC_POLL_PDU_P4;
cnfg.ul_am_rlc.t_poll_retx = LIBLTE_RRC_T_POLL_RETRANSMIT_MS5;
rlc1.configure(&cnfg);
rlc2.configure(&cnfg);
// Push 5 SDUs into RLC1
byte_buffer_t sdu_bufs[NBUFS];
for(int i=0;i<NBUFS;i++)
{
*sdu_bufs[i].msg = i; // Write the index into the buffer
sdu_bufs[i].N_bytes = 1; // Give each buffer a size of 1 byte
rlc1.write_sdu(&sdu_bufs[i]);
}
assert(14 == rlc1.get_buffer_state());
// Read 1 PDUs from RLC1 containing all 5 SDUs
byte_buffer_t pdu_buf;
len = rlc1.read_pdu(pdu_buf.msg, 13); // 8 bytes for header + payload
pdu_buf.N_bytes = len;
assert(0 == rlc1.get_buffer_state());
// Write PDU into RLC2
rlc2.write_pdu(pdu_buf.msg, pdu_buf.N_bytes);
// No status report as we haven't crossed polling thresholds
assert(tester.n_sdus == 5);
for(int i=0; i<tester.n_sdus; i++)
{
assert(tester.sdus[i]->N_bytes == 1);
assert(*(tester.sdus[i]->msg) == i);
}
}
void segment_test()
{
srslte::log_filter log1("RLC_AM_1");
srslte::log_filter log2("RLC_AM_2");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(-1);
log2.set_hex_limit(-1);
rlc_am_tester tester;
mac_dummy_timers timers;
rlc_am rlc1;
rlc_am rlc2;
int len;
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
rlc1.init(&log1, 1, &tester, &tester, &timers);
rlc2.init(&log2, 1, &tester, &tester, &timers);
LIBLTE_RRC_RLC_CONFIG_STRUCT cnfg;
cnfg.rlc_mode = LIBLTE_RRC_RLC_MODE_AM;
cnfg.dl_am_rlc.t_reordering = LIBLTE_RRC_T_REORDERING_MS5;
cnfg.dl_am_rlc.t_status_prohibit = LIBLTE_RRC_T_STATUS_PROHIBIT_MS5;
cnfg.ul_am_rlc.max_retx_thresh = LIBLTE_RRC_MAX_RETX_THRESHOLD_T4;
cnfg.ul_am_rlc.poll_byte = LIBLTE_RRC_POLL_BYTE_KB25;
cnfg.ul_am_rlc.poll_pdu = LIBLTE_RRC_POLL_PDU_P4;
cnfg.ul_am_rlc.t_poll_retx = LIBLTE_RRC_T_POLL_RETRANSMIT_MS5;
rlc1.configure(&cnfg);
rlc2.configure(&cnfg);
// Push 5 SDUs into RLC1
byte_buffer_t sdu_bufs[NBUFS];
for(int i=0;i<NBUFS;i++)
{
for(int j=0;j<10;j++)
sdu_bufs[i].msg[j] = j;
sdu_bufs[i].N_bytes = 10; // Give each buffer a size of 10 bytes
rlc1.write_sdu(&sdu_bufs[i]);
}
assert(59 == rlc1.get_buffer_state());
// Read PDUs from RLC1 (force segmentation)
byte_buffer_t pdu_bufs[20];
int n_pdus = 0;
while(rlc1.get_buffer_state() > 0){
len = rlc1.read_pdu(pdu_bufs[n_pdus].msg, 10); // 2 header + payload
pdu_bufs[n_pdus++].N_bytes = len;
}
assert(0 == rlc1.get_buffer_state());
// Write PDUs into RLC2
for(int i=0;i<n_pdus;i++)
{
rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes);
}
assert(2 == rlc2.get_buffer_state());
// Read status PDU from RLC2
byte_buffer_t status_buf;
len = rlc2.read_pdu(status_buf.msg, 10); // 10 bytes is enough to hold the status
status_buf.N_bytes = len;
assert(0 == rlc2.get_buffer_state());
// Write status PDU to RLC1
rlc1.write_pdu(status_buf.msg, status_buf.N_bytes);
assert(tester.n_sdus == 5);
for(int i=0; i<tester.n_sdus; i++)
{
assert(tester.sdus[i]->N_bytes == 10);
for(int j=0;j<10;j++)
assert(tester.sdus[i]->msg[j] == j);
}
}
void retx_test()
{
srslte::log_filter log1("RLC_AM_1");
srslte::log_filter log2("RLC_AM_2");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(-1);
log2.set_hex_limit(-1);
rlc_am_tester tester;
mac_dummy_timers timers;
rlc_am rlc1;
rlc_am rlc2;
int len;
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
rlc1.init(&log1, 1, &tester, &tester, &timers);
rlc2.init(&log2, 1, &tester, &tester, &timers);
LIBLTE_RRC_RLC_CONFIG_STRUCT cnfg;
cnfg.rlc_mode = LIBLTE_RRC_RLC_MODE_AM;
cnfg.dl_am_rlc.t_reordering = LIBLTE_RRC_T_REORDERING_MS5;
cnfg.dl_am_rlc.t_status_prohibit = LIBLTE_RRC_T_STATUS_PROHIBIT_MS5;
cnfg.ul_am_rlc.max_retx_thresh = LIBLTE_RRC_MAX_RETX_THRESHOLD_T4;
cnfg.ul_am_rlc.poll_byte = LIBLTE_RRC_POLL_BYTE_KB25;
cnfg.ul_am_rlc.poll_pdu = LIBLTE_RRC_POLL_PDU_P4;
cnfg.ul_am_rlc.t_poll_retx = LIBLTE_RRC_T_POLL_RETRANSMIT_MS5;
rlc1.configure(&cnfg);
rlc2.configure(&cnfg);
// Push 5 SDUs into RLC1
byte_buffer_t sdu_bufs[NBUFS];
for(int i=0;i<NBUFS;i++)
{
*sdu_bufs[i].msg = i; // Write the index into the buffer
sdu_bufs[i].N_bytes = 1; // Give each buffer a size of 1 byte
rlc1.write_sdu(&sdu_bufs[i]);
}
assert(14 == rlc1.get_buffer_state());
// Read 5 PDUs from RLC1 (1 byte each)
byte_buffer_t pdu_bufs[NBUFS];
for(int i=0;i<NBUFS;i++)
{
len = rlc1.read_pdu(pdu_bufs[i].msg, 4); // 2 byte header + 1 byte payload
pdu_bufs[i].N_bytes = len;
}
assert(0 == rlc1.get_buffer_state());
// Write PDUs into RLC2 (skip SN 1)
for(int i=0;i<NBUFS;i++)
{
if(i != 1)
rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes);
}
// Sleep to let reordering timeout expire
usleep(10000);
assert(4 == rlc2.get_buffer_state());
// Read status PDU from RLC2
byte_buffer_t status_buf;
len = rlc2.read_pdu(status_buf.msg, 10); // 10 bytes is enough to hold the status
status_buf.N_bytes = len;
// Write status PDU to RLC1
rlc1.write_pdu(status_buf.msg, status_buf.N_bytes);
assert(3 == rlc1.get_buffer_state()); // 2 byte header + 1 byte payload
// Read the retx PDU from RLC1
byte_buffer_t retx;
len = rlc1.read_pdu(retx.msg, 3); // 2 byte header + 1 byte payload
retx.N_bytes = len;
// Write the retx PDU to RLC2
rlc2.write_pdu(retx.msg, retx.N_bytes);
assert(tester.n_sdus == 5);
for(int i=0; i<tester.n_sdus; i++)
{
assert(tester.sdus[i]->N_bytes == 1);
assert(*(tester.sdus[i]->msg) == i);
}
}
void resegment_test_1()
{
// SDUs: | 10 | 10 | 10 | 10 | 10 |
// PDUs: | 10 | 10 | 10 | 10 | 10 |
// Retx PDU segments: | 5 | 5|
srslte::log_filter log1("RLC_AM_1");
srslte::log_filter log2("RLC_AM_2");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(-1);
log2.set_hex_limit(-1);
rlc_am_tester tester;
mac_dummy_timers timers;
rlc_am rlc1;
rlc_am rlc2;
int len;
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
rlc1.init(&log1, 1, &tester, &tester, &timers);
rlc2.init(&log2, 1, &tester, &tester, &timers);
LIBLTE_RRC_RLC_CONFIG_STRUCT cnfg;
cnfg.rlc_mode = LIBLTE_RRC_RLC_MODE_AM;
cnfg.dl_am_rlc.t_reordering = LIBLTE_RRC_T_REORDERING_MS5;
cnfg.dl_am_rlc.t_status_prohibit = LIBLTE_RRC_T_STATUS_PROHIBIT_MS5;
cnfg.ul_am_rlc.max_retx_thresh = LIBLTE_RRC_MAX_RETX_THRESHOLD_T4;
cnfg.ul_am_rlc.poll_byte = LIBLTE_RRC_POLL_BYTE_KB25;
cnfg.ul_am_rlc.poll_pdu = LIBLTE_RRC_POLL_PDU_P4;
cnfg.ul_am_rlc.t_poll_retx = LIBLTE_RRC_T_POLL_RETRANSMIT_MS5;
rlc1.configure(&cnfg);
rlc2.configure(&cnfg);
// Push 5 SDUs into RLC1
byte_buffer_t sdu_bufs[NBUFS];
for(int i=0;i<NBUFS;i++)
{
for(int j=0;j<10;j++)
sdu_bufs[i].msg[j] = j;
sdu_bufs[i].N_bytes = 10; // Give each buffer a size of 10 bytes
rlc1.write_sdu(&sdu_bufs[i]);
}
assert(59 == rlc1.get_buffer_state());
// Read 5 PDUs from RLC1 (10 bytes each)
byte_buffer_t pdu_bufs[NBUFS];
for(int i=0;i<NBUFS;i++)
{
len = rlc1.read_pdu(pdu_bufs[i].msg, 12); // 12 bytes for header + payload
pdu_bufs[i].N_bytes = len;
}
assert(0 == rlc1.get_buffer_state());
// Write PDUs into RLC2 (skip SN 1)
for(int i=0;i<NBUFS;i++)
{
if(i != 1)
rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes);
}
// Sleep to let reordering timeout expire
usleep(10000);
assert(4 == rlc2.get_buffer_state());
// Read status PDU from RLC2
byte_buffer_t status_buf;
len = rlc2.read_pdu(status_buf.msg, 10); // 10 bytes is enough to hold the status
status_buf.N_bytes = len;
// Write status PDU to RLC1
rlc1.write_pdu(status_buf.msg, status_buf.N_bytes);
assert(12 == rlc1.get_buffer_state()); // 2 byte header + 10 data
// Read the retx PDU from RLC1 and force resegmentation
byte_buffer_t retx1;
len = rlc1.read_pdu(retx1.msg, 9); // 4 byte header + 5 data
retx1.N_bytes = len;
// Write the retx PDU to RLC2
rlc2.write_pdu(retx1.msg, retx1.N_bytes);
assert(9 == rlc1.get_buffer_state());
// Read the remaining segment
byte_buffer_t retx2;
len = rlc1.read_pdu(retx2.msg, 9); // 4 byte header + 5 data
retx2.N_bytes = len;
// Write the retx PDU to RLC2
rlc2.write_pdu(retx2.msg, retx2.N_bytes);
assert(tester.n_sdus == 5);
for(int i=0; i<tester.n_sdus; i++)
{
assert(tester.sdus[i]->N_bytes == 10);
for(int j=0;j<10;j++)
assert(tester.sdus[i]->msg[j] == j);
}
}
void resegment_test_2()
{
// SDUs: | 10 | 10 | 10 | 10 | 10 |
// PDUs: | 5 | 10 | 20 | 10 | 5 |
// Retx PDU segments: | 10 | 10 |
srslte::log_filter log1("RLC_AM_1");
srslte::log_filter log2("RLC_AM_2");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(-1);
log2.set_hex_limit(-1);
rlc_am_tester tester;
mac_dummy_timers timers;
rlc_am rlc1;
rlc_am rlc2;
int len;
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
rlc1.init(&log1, 1, &tester, &tester, &timers);
rlc2.init(&log2, 1, &tester, &tester, &timers);
LIBLTE_RRC_RLC_CONFIG_STRUCT cnfg;
cnfg.rlc_mode = LIBLTE_RRC_RLC_MODE_AM;
cnfg.dl_am_rlc.t_reordering = LIBLTE_RRC_T_REORDERING_MS5;
cnfg.dl_am_rlc.t_status_prohibit = LIBLTE_RRC_T_STATUS_PROHIBIT_MS5;
cnfg.ul_am_rlc.max_retx_thresh = LIBLTE_RRC_MAX_RETX_THRESHOLD_T4;
cnfg.ul_am_rlc.poll_byte = LIBLTE_RRC_POLL_BYTE_KB25;
cnfg.ul_am_rlc.poll_pdu = LIBLTE_RRC_POLL_PDU_P4;
cnfg.ul_am_rlc.t_poll_retx = LIBLTE_RRC_T_POLL_RETRANSMIT_MS5;
rlc1.configure(&cnfg);
rlc2.configure(&cnfg);
// Push 5 SDUs into RLC1
byte_buffer_t sdu_bufs[NBUFS];
for(int i=0;i<NBUFS;i++)
{
for(int j=0;j<10;j++)
sdu_bufs[i].msg[j] = j;
sdu_bufs[i].N_bytes = 10; // Give each buffer a size of 10 bytes
rlc1.write_sdu(&sdu_bufs[i]);
}
assert(59 == rlc1.get_buffer_state());
// Read 5 PDUs from RLC1 (5 bytes, 10 bytes, 20 bytes, 10 bytes, 5 bytes)
byte_buffer_t pdu_bufs[NBUFS];
pdu_bufs[0].N_bytes = rlc1.read_pdu(pdu_bufs[0].msg, 7); // 2 byte header + 5 byte payload
pdu_bufs[1].N_bytes = rlc1.read_pdu(pdu_bufs[1].msg, 14); // 4 byte header + 10 byte payload
pdu_bufs[2].N_bytes = rlc1.read_pdu(pdu_bufs[2].msg, 25); // 5 byte header + 20 byte payload
pdu_bufs[3].N_bytes = rlc1.read_pdu(pdu_bufs[3].msg, 14); // 4 byte header + 10 byte payload
pdu_bufs[4].N_bytes = rlc1.read_pdu(pdu_bufs[4].msg, 7); // 2 byte header + 5 byte payload
assert(0 == rlc1.get_buffer_state());
// Write PDUs into RLC2 (skip SN 2)
for(int i=0;i<NBUFS;i++)
{
if(i != 2)
rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes);
}
// Sleep to let reordering timeout expire
usleep(10000);
assert(4 == rlc2.get_buffer_state());
// Read status PDU from RLC2
byte_buffer_t status_buf;
status_buf.N_bytes = rlc2.read_pdu(status_buf.msg, 10); // 10 bytes is enough to hold the status
// Write status PDU to RLC1
rlc1.write_pdu(status_buf.msg, status_buf.N_bytes);
assert(25 == rlc1.get_buffer_state()); // 4 byte header + 20 data
// Read the retx PDU from RLC1 and force resegmentation
byte_buffer_t retx1;
retx1.N_bytes = rlc1.read_pdu(retx1.msg, 16); // 6 byte header + 10 data
// Write the retx PDU to RLC2
rlc2.write_pdu(retx1.msg, retx1.N_bytes);
assert(16 == rlc1.get_buffer_state());
// Read the remaining segment
byte_buffer_t retx2;
retx2.N_bytes = rlc1.read_pdu(retx2.msg, 16); // 6 byte header + 10 data
// Write the retx PDU to RLC2
rlc2.write_pdu(retx2.msg, retx2.N_bytes);
assert(tester.n_sdus == 5);
for(int i=0; i<tester.n_sdus; i++)
{
assert(tester.sdus[i]->N_bytes == 10);
for(int j=0;j<10;j++)
assert(tester.sdus[i]->msg[j] == j);
}
}
void resegment_test_3()
{
// SDUs: | 10 | 10 | 10 | 10 | 10 |
// PDUs: | 5 | 5| 20 | 10 | 10 |
// Retx PDU segments: | 10 | 10 |
srslte::log_filter log1("RLC_AM_1");
srslte::log_filter log2("RLC_AM_2");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(-1);
log2.set_hex_limit(-1);
rlc_am_tester tester;
mac_dummy_timers timers;
rlc_am rlc1;
rlc_am rlc2;
int len;
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
rlc1.init(&log1, 1, &tester, &tester, &timers);
rlc2.init(&log2, 1, &tester, &tester, &timers);
LIBLTE_RRC_RLC_CONFIG_STRUCT cnfg;
cnfg.rlc_mode = LIBLTE_RRC_RLC_MODE_AM;
cnfg.dl_am_rlc.t_reordering = LIBLTE_RRC_T_REORDERING_MS5;
cnfg.dl_am_rlc.t_status_prohibit = LIBLTE_RRC_T_STATUS_PROHIBIT_MS5;
cnfg.ul_am_rlc.max_retx_thresh = LIBLTE_RRC_MAX_RETX_THRESHOLD_T4;
cnfg.ul_am_rlc.poll_byte = LIBLTE_RRC_POLL_BYTE_KB25;
cnfg.ul_am_rlc.poll_pdu = LIBLTE_RRC_POLL_PDU_P4;
cnfg.ul_am_rlc.t_poll_retx = LIBLTE_RRC_T_POLL_RETRANSMIT_MS5;
rlc1.configure(&cnfg);
rlc2.configure(&cnfg);
// Push 5 SDUs into RLC1
byte_buffer_t sdu_bufs[NBUFS];
for(int i=0;i<NBUFS;i++)
{
for(int j=0;j<10;j++)
sdu_bufs[i].msg[j] = j;
sdu_bufs[i].N_bytes = 10; // Give each buffer a size of 10 bytes
rlc1.write_sdu(&sdu_bufs[i]);
}
assert(59 == rlc1.get_buffer_state());
// Read 5 PDUs from RLC1 (5 bytes, 5 bytes, 20 bytes, 10 bytes, 10 bytes)
byte_buffer_t pdu_bufs[NBUFS];
pdu_bufs[0].N_bytes = rlc1.read_pdu(pdu_bufs[0].msg, 7); // 2 byte header + 5 byte payload
pdu_bufs[1].N_bytes = rlc1.read_pdu(pdu_bufs[1].msg, 7); // 2 byte header + 5 byte payload
pdu_bufs[2].N_bytes = rlc1.read_pdu(pdu_bufs[2].msg, 24); // 4 byte header + 20 byte payload
pdu_bufs[3].N_bytes = rlc1.read_pdu(pdu_bufs[3].msg, 12); // 2 byte header + 10 byte payload
pdu_bufs[4].N_bytes = rlc1.read_pdu(pdu_bufs[4].msg, 12); // 2 byte header + 10 byte payload
assert(0 == rlc1.get_buffer_state());
// Write PDUs into RLC2 (skip SN 2)
for(int i=0;i<NBUFS;i++)
{
if(i != 2)
rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes);
}
// Sleep to let reordering timeout expire
usleep(10000);
assert(4 == rlc2.get_buffer_state());
// Read status PDU from RLC2
byte_buffer_t status_buf;
status_buf.N_bytes = rlc2.read_pdu(status_buf.msg, 10); // 10 bytes is enough to hold the status
// Write status PDU to RLC1
rlc1.write_pdu(status_buf.msg, status_buf.N_bytes);
// Read the retx PDU from RLC1 and force resegmentation
byte_buffer_t retx1;
retx1.N_bytes = rlc1.read_pdu(retx1.msg, 14); // 4 byte header + 10 data
// Write the retx PDU to RLC2
rlc2.write_pdu(retx1.msg, retx1.N_bytes);
// Read the remaining segment
byte_buffer_t retx2;
retx2.N_bytes = rlc1.read_pdu(retx2.msg, 14); // 4 byte header + 10 data
// Write the retx PDU to RLC2
rlc2.write_pdu(retx2.msg, retx2.N_bytes);
assert(tester.n_sdus == 5);
for(int i=0; i<tester.n_sdus; i++)
{
assert(tester.sdus[i]->N_bytes == 10);
for(int j=0;j<10;j++)
assert(tester.sdus[i]->msg[j] == j);
}
}
void resegment_test_4()
{
// SDUs: | 10 | 10 | 10 | 10 | 10 |
// PDUs: | 5 | 5| 30 | 5 | 5|
// Retx PDU segments: | 15 | 15 |
srslte::log_filter log1("RLC_AM_1");
srslte::log_filter log2("RLC_AM_2");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(-1);
log2.set_hex_limit(-1);
rlc_am_tester tester;
mac_dummy_timers timers;
rlc_am rlc1;
rlc_am rlc2;
int len;
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
rlc1.init(&log1, 1, &tester, &tester, &timers);
rlc2.init(&log2, 1, &tester, &tester, &timers);
LIBLTE_RRC_RLC_CONFIG_STRUCT cnfg;
cnfg.rlc_mode = LIBLTE_RRC_RLC_MODE_AM;
cnfg.dl_am_rlc.t_reordering = LIBLTE_RRC_T_REORDERING_MS5;
cnfg.dl_am_rlc.t_status_prohibit = LIBLTE_RRC_T_STATUS_PROHIBIT_MS5;
cnfg.ul_am_rlc.max_retx_thresh = LIBLTE_RRC_MAX_RETX_THRESHOLD_T4;
cnfg.ul_am_rlc.poll_byte = LIBLTE_RRC_POLL_BYTE_KB25;
cnfg.ul_am_rlc.poll_pdu = LIBLTE_RRC_POLL_PDU_P4;
cnfg.ul_am_rlc.t_poll_retx = LIBLTE_RRC_T_POLL_RETRANSMIT_MS5;
rlc1.configure(&cnfg);
rlc2.configure(&cnfg);
// Push 5 SDUs into RLC1
byte_buffer_t sdu_bufs[NBUFS];
for(int i=0;i<NBUFS;i++)
{
for(int j=0;j<10;j++)
sdu_bufs[i].msg[j] = j;
sdu_bufs[i].N_bytes = 10; // Give each buffer a size of 10 bytes
rlc1.write_sdu(&sdu_bufs[i]);
}
assert(59 == rlc1.get_buffer_state());
// Read 5 PDUs from RLC1 (5 bytes, 5 bytes, 30 bytes, 5 bytes, 5 bytes)
byte_buffer_t pdu_bufs[NBUFS];
pdu_bufs[0].N_bytes = rlc1.read_pdu(pdu_bufs[0].msg, 7); // 2 byte header + 5 byte payload
pdu_bufs[1].N_bytes = rlc1.read_pdu(pdu_bufs[1].msg, 7); // 2 byte header + 5 byte payload
pdu_bufs[2].N_bytes = rlc1.read_pdu(pdu_bufs[2].msg, 35); // 5 byte header + 30 byte payload
pdu_bufs[3].N_bytes = rlc1.read_pdu(pdu_bufs[3].msg, 7); // 2 byte header + 5 byte payload
pdu_bufs[4].N_bytes = rlc1.read_pdu(pdu_bufs[4].msg, 7); // 2 byte header + 5 byte payload
assert(0 == rlc1.get_buffer_state());
// Write PDUs into RLC2 (skip SN 2)
for(int i=0;i<NBUFS;i++)
{
if(i != 2)
rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes);
}
// Sleep to let reordering timeout expire
usleep(10000);
assert(4 == rlc2.get_buffer_state());
// Read status PDU from RLC2
byte_buffer_t status_buf;
status_buf.N_bytes = rlc2.read_pdu(status_buf.msg, 10); // 10 bytes is enough to hold the status
// Write status PDU to RLC1
rlc1.write_pdu(status_buf.msg, status_buf.N_bytes);
// Read the retx PDU from RLC1 and force resegmentation
byte_buffer_t retx1;
retx1.N_bytes = rlc1.read_pdu(retx1.msg, 21); // 6 byte header + 15 data
// Write the retx PDU to RLC2
rlc2.write_pdu(retx1.msg, retx1.N_bytes);
// Read the remaining segment
byte_buffer_t retx2;
retx2.N_bytes = rlc1.read_pdu(retx2.msg, 21); // 6 byte header + 15 data
// Write the retx PDU to RLC2
rlc2.write_pdu(retx2.msg, retx2.N_bytes);
assert(tester.n_sdus == 5);
for(int i=0; i<tester.n_sdus; i++)
{
assert(tester.sdus[i]->N_bytes == 10);
for(int j=0;j<10;j++)
assert(tester.sdus[i]->msg[j] == j);
}
}
void resegment_test_5()
{
// SDUs: | 10 | 10 | 10 | 10 | 10 |
// PDUs: |2|3| 40 |3|2|
// Retx PDU segments: | 20 | 20 |
srslte::log_filter log1("RLC_AM_1");
srslte::log_filter log2("RLC_AM_2");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(-1);
log2.set_hex_limit(-1);
rlc_am_tester tester;
mac_dummy_timers timers;
rlc_am rlc1;
rlc_am rlc2;
int len;
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
rlc1.init(&log1, 1, &tester, &tester, &timers);
rlc2.init(&log2, 1, &tester, &tester, &timers);
LIBLTE_RRC_RLC_CONFIG_STRUCT cnfg;
cnfg.rlc_mode = LIBLTE_RRC_RLC_MODE_AM;
cnfg.dl_am_rlc.t_reordering = LIBLTE_RRC_T_REORDERING_MS5;
cnfg.dl_am_rlc.t_status_prohibit = LIBLTE_RRC_T_STATUS_PROHIBIT_MS5;
cnfg.ul_am_rlc.max_retx_thresh = LIBLTE_RRC_MAX_RETX_THRESHOLD_T4;
cnfg.ul_am_rlc.poll_byte = LIBLTE_RRC_POLL_BYTE_KB25;
cnfg.ul_am_rlc.poll_pdu = LIBLTE_RRC_POLL_PDU_P4;
cnfg.ul_am_rlc.t_poll_retx = LIBLTE_RRC_T_POLL_RETRANSMIT_MS5;
rlc1.configure(&cnfg);
rlc2.configure(&cnfg);
// Push 5 SDUs into RLC1
byte_buffer_t sdu_bufs[NBUFS];
for(int i=0;i<NBUFS;i++)
{
for(int j=0;j<10;j++)
sdu_bufs[i].msg[j] = j;
sdu_bufs[i].N_bytes = 10; // Give each buffer a size of 10 bytes
rlc1.write_sdu(&sdu_bufs[i]);
}
assert(59 == rlc1.get_buffer_state());
// Read 5 PDUs from RLC1 (2 bytes, 3 bytes, 40 bytes, 3 bytes, 2 bytes)
byte_buffer_t pdu_bufs[NBUFS];
pdu_bufs[0].N_bytes = rlc1.read_pdu(pdu_bufs[0].msg, 4); // 2 byte header + 2 byte payload
pdu_bufs[1].N_bytes = rlc1.read_pdu(pdu_bufs[1].msg, 5); // 2 byte header + 3 byte payload
pdu_bufs[2].N_bytes = rlc1.read_pdu(pdu_bufs[2].msg, 48); // 8 byte header + 40 byte payload
pdu_bufs[3].N_bytes = rlc1.read_pdu(pdu_bufs[3].msg, 5); // 2 byte header + 3 byte payload
pdu_bufs[4].N_bytes = rlc1.read_pdu(pdu_bufs[4].msg, 4); // 2 byte header + 2 byte payload
assert(0 == rlc1.get_buffer_state());
// Write PDUs into RLC2 (skip SN 2)
for(int i=0;i<NBUFS;i++)
{
if(i != 2)
rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes);
}
// Sleep to let reordering timeout expire
usleep(10000);
assert(4 == rlc2.get_buffer_state());
// Read status PDU from RLC2
byte_buffer_t status_buf;
status_buf.N_bytes = rlc2.read_pdu(status_buf.msg, 10); // 10 bytes is enough to hold the status
// Write status PDU to RLC1
rlc1.write_pdu(status_buf.msg, status_buf.N_bytes);
// Read the retx PDU from RLC1 and force resegmentation
byte_buffer_t retx1;
retx1.N_bytes = rlc1.read_pdu(retx1.msg, 27); // 7 byte header + 20 data
// Write the retx PDU to RLC2
rlc2.write_pdu(retx1.msg, retx1.N_bytes);
// Read the remaining segment
byte_buffer_t retx2;
retx2.N_bytes = rlc1.read_pdu(retx2.msg, 27); // 7 byte header + 20 data
// Write the retx PDU to RLC2
rlc2.write_pdu(retx2.msg, retx2.N_bytes);
assert(tester.n_sdus == 5);
for(int i=0; i<tester.n_sdus; i++)
{
assert(tester.sdus[i]->N_bytes == 10);
for(int j=0;j<10;j++)
assert(tester.sdus[i]->msg[j] == j);
}
}
void resegment_test_6()
{
// SDUs: |10|10|10| 54 | 54 | 54 | 54 | 54 | 54 |
// PDUs: |10|10|10| 270 | 54 |
// Retx PDU segments: | 120 | 150 |
srslte::log_filter log1("RLC_AM_1");
srslte::log_filter log2("RLC_AM_2");
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
log1.set_hex_limit(-1);
log2.set_hex_limit(-1);
rlc_am_tester tester;
mac_dummy_timers timers;
rlc_am rlc1;
rlc_am rlc2;
int len;
log1.set_level(srslte::LOG_LEVEL_DEBUG);
log2.set_level(srslte::LOG_LEVEL_DEBUG);
rlc1.init(&log1, 1, &tester, &tester, &timers);
rlc2.init(&log2, 1, &tester, &tester, &timers);
LIBLTE_RRC_RLC_CONFIG_STRUCT cnfg;
cnfg.rlc_mode = LIBLTE_RRC_RLC_MODE_AM;
cnfg.dl_am_rlc.t_reordering = LIBLTE_RRC_T_REORDERING_MS5;
cnfg.dl_am_rlc.t_status_prohibit = LIBLTE_RRC_T_STATUS_PROHIBIT_MS5;
cnfg.ul_am_rlc.max_retx_thresh = LIBLTE_RRC_MAX_RETX_THRESHOLD_T4;
cnfg.ul_am_rlc.poll_byte = LIBLTE_RRC_POLL_BYTE_KB25;
cnfg.ul_am_rlc.poll_pdu = LIBLTE_RRC_POLL_PDU_P4;
cnfg.ul_am_rlc.t_poll_retx = LIBLTE_RRC_T_POLL_RETRANSMIT_MS5;
rlc1.configure(&cnfg);
rlc2.configure(&cnfg);
// Push SDUs into RLC1
byte_buffer_t sdu_bufs[9];
for(int i=0;i<3;i++)
{
for(int j=0;j<10;j++)
sdu_bufs[i].msg[j] = j;
sdu_bufs[i].N_bytes = 10;
rlc1.write_sdu(&sdu_bufs[i]);
}
for(int i=3;i<9;i++)
{
for(int j=0;j<54;j++)
sdu_bufs[i].msg[j] = j;
sdu_bufs[i].N_bytes = 54;
rlc1.write_sdu(&sdu_bufs[i]);
}
assert(369 == rlc1.get_buffer_state());
// Read PDUs from RLC1 (10, 10, 10, 270, 54)
byte_buffer_t pdu_bufs[5];
for(int i=0;i<3;i++) {
len = rlc1.read_pdu(pdu_bufs[i].msg, 12);
pdu_bufs[i].N_bytes = len;
}
len = rlc1.read_pdu(pdu_bufs[3].msg, 278);
pdu_bufs[3].N_bytes = len;
len = rlc1.read_pdu(pdu_bufs[4].msg, 56);
pdu_bufs[4].N_bytes = len;
assert(0 == rlc1.get_buffer_state());
// Write PDUs into RLC2 (skip SN 3)
for(int i=0;i<5;i++)
{
if(i != 3)
rlc2.write_pdu(pdu_bufs[i].msg, pdu_bufs[i].N_bytes);
}
// Sleep to let reordering timeout expire
usleep(10000);
assert(4 == rlc2.get_buffer_state());
// Read status PDU from RLC2
byte_buffer_t status_buf;
len = rlc2.read_pdu(status_buf.msg, 10); // 10 bytes is enough to hold the status
status_buf.N_bytes = len;
// Write status PDU to RLC1
rlc1.write_pdu(status_buf.msg, status_buf.N_bytes);
assert(278 == rlc1.get_buffer_state());
// Read the retx PDU from RLC1 and force resegmentation
byte_buffer_t retx1;
len = rlc1.read_pdu(retx1.msg, 129);
retx1.N_bytes = len;
// Write the retx PDU to RLC2
rlc2.write_pdu(retx1.msg, retx1.N_bytes);
assert(155 == rlc1.get_buffer_state());
// Read the remaining segment
byte_buffer_t retx2;
len = rlc1.read_pdu(retx2.msg, 157);
retx2.N_bytes = len;
// Write the retx PDU to RLC2
rlc2.write_pdu(retx2.msg, retx2.N_bytes);
assert(tester.n_sdus == 9);
for(int i=0;i<3;i++)
{
assert(tester.sdus[i]->N_bytes == 10);
for(int j=0;j<10;j++)
assert(tester.sdus[i]->msg[j] == j);
}
for(int i=3;i<9;i++)
{
assert(tester.sdus[i]->N_bytes == 54);
for(int j=0;j<54;j++)
assert(tester.sdus[i]->msg[j] == j);
}
}
int main(int argc, char **argv) {
basic_test();
byte_buffer_pool::get_instance()->cleanup();
concat_test();
byte_buffer_pool::get_instance()->cleanup();
segment_test();
byte_buffer_pool::get_instance()->cleanup();
retx_test();
byte_buffer_pool::get_instance()->cleanup();
resegment_test_1();
byte_buffer_pool::get_instance()->cleanup();
resegment_test_2();
byte_buffer_pool::get_instance()->cleanup();
resegment_test_3();
byte_buffer_pool::get_instance()->cleanup();
resegment_test_4();
byte_buffer_pool::get_instance()->cleanup();
resegment_test_5();
byte_buffer_pool::get_instance()->cleanup();
resegment_test_6();
}
Reference in New Issue View Git Blame Copy Permalink