srsLTE/lib/test/upper/pdcp_nr_test_tx.cc

230 lines
8.5 KiB
C++

/*
* Copyright 2013-2019 Software Radio Systems Limited
*
* This file is part of srsLTE.
*
* srsLTE 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.
*
* srsLTE 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 "pdcp_nr_test.h"
#include <numeric>
/*
* Genric function to test transmission of in-sequence packets
*/
int test_tx(uint32_t n_packets,
const pdcp_initial_state& init_state,
uint8_t pdcp_sn_len,
uint64_t n_pdus_exp,
srslte::unique_byte_buffer_t pdu_exp,
srslte::byte_buffer_pool* pool,
srslte::log* log)
{
srslte::pdcp_config_t cfg = {1,
srslte::PDCP_RB_IS_DRB,
srslte::SECURITY_DIRECTION_UPLINK,
srslte::SECURITY_DIRECTION_DOWNLINK,
pdcp_sn_len,
srslte::pdcp_t_reordering_t::ms500,
srslte::pdcp_discard_timer_t::infinity};
pdcp_nr_test_helper pdcp_hlp(cfg, sec_cfg, log);
srslte::pdcp_entity_nr* pdcp = &pdcp_hlp.pdcp;
rlc_dummy* rlc = &pdcp_hlp.rlc;
pdcp_hlp.set_pdcp_initial_state(init_state);
// Run test
for (uint32_t i = 0; i < n_packets; ++i) {
// Test SDU
srslte::unique_byte_buffer_t sdu = allocate_unique_buffer(*pool);
sdu->append_bytes(sdu1, sizeof(sdu1));
pdcp->write_sdu(std::move(sdu), true);
}
srslte::unique_byte_buffer_t pdu_act = allocate_unique_buffer(*pool);
rlc->get_last_sdu(pdu_act);
TESTASSERT(rlc->rx_count == n_pdus_exp);
TESTASSERT(compare_two_packets(pdu_act, pdu_exp) == 0);
return 0;
}
/*
* TX Test: PDCP Entity with SN LEN = 12 and 18.
* PDCP entity configured with EIA2 and EEA2
*/
int test_tx_all(srslte::byte_buffer_pool* pool, srslte::log* log)
{
uint64_t n_packets;
/*
* TX Test 1: PDCP Entity with SN LEN = 12
* TX_NEXT = 0.
* Input: {0x18, 0xE2}
* Output: PDCP Header {0x80, 0x00}, Ciphered Text {0x8f, 0xe3}, MAC-I {0xe0, 0xdf, 0x82, 0x92}
*/
n_packets = 1;
srslte::unique_byte_buffer_t pdu_exp_count0_len12 = allocate_unique_buffer(*pool);
pdu_exp_count0_len12->append_bytes(pdu1_count0_snlen12, sizeof(pdu1_count0_snlen12));
TESTASSERT(test_tx(n_packets,
normal_init_state,
srslte::PDCP_SN_LEN_12,
n_packets,
std::move(pdu_exp_count0_len12),
pool,
log) == 0);
/*
* TX Test 2: PDCP Entity with SN LEN = 12
* TX_NEXT = 2048.
* Input: {0x18, 0xE2}
* Output: PDCP Header {0x88, 0x00}, Ciphered Text {0x8d, 0x2c}, MAC-I {0x47, 0x5e, 0xb1, 0x5b}
*/
n_packets = 2049;
srslte::unique_byte_buffer_t pdu_exp_count2048_len12 = allocate_unique_buffer(*pool);
pdu_exp_count2048_len12->append_bytes(pdu1_count2048_snlen12, sizeof(pdu1_count2048_snlen12));
TESTASSERT(test_tx(n_packets,
normal_init_state,
srslte::PDCP_SN_LEN_12,
n_packets,
std::move(pdu_exp_count2048_len12),
pool,
log) == 0);
/*
* TX Test 3: PDCP Entity with SN LEN = 12
* TX_NEXT = 4096.
* Input: {0x18, 0xE2}
* Output: PDCP Header {0x80,0x00}, Ciphered Text {0x97, 0xbe}, MAC-I {0xa3, 0x32, 0xfa, 0x61}
*/
n_packets = 4097;
srslte::unique_byte_buffer_t pdu_exp_count4096_len12 = allocate_unique_buffer(*pool);
pdu_exp_count4096_len12->append_bytes(pdu1_count4096_snlen12, sizeof(pdu1_count4096_snlen12));
TESTASSERT(test_tx(n_packets,
normal_init_state,
srslte::PDCP_SN_LEN_12,
n_packets,
std::move(pdu_exp_count4096_len12),
pool,
log) == 0);
/*
* TX Test 4: PDCP Entity with SN LEN = 18
* TX_NEXT = 0.
* Input: {0x18, 0xE2}
* Output: PDCP Header {0x80, 0x80, 0x00}, Ciphered Text {0x8f, 0xe3}, MAC-I {0xe0, 0xdf, 0x82, 0x92}
*/
n_packets = 1;
srslte::unique_byte_buffer_t pdu_exp_count0_len18 = allocate_unique_buffer(*pool);
pdu_exp_count0_len18->append_bytes(pdu1_count0_snlen18, sizeof(pdu1_count0_snlen18));
TESTASSERT(test_tx(n_packets,
normal_init_state,
srslte::PDCP_SN_LEN_18,
n_packets,
std::move(pdu_exp_count0_len18),
pool,
log) == 0);
/*
* TX Test 5: PDCP Entity with SN LEN = 18
* TX_NEXT = 131072.
* Input: {0x18, 0xE2}
* Output: PDCP Header {0x82, 0x00, 0x00}, Ciphered Text {0x15, 0x01}, MAC-I {0xf4, 0xb0, 0xfc, 0xc5}
*/
n_packets = 131073;
srslte::unique_byte_buffer_t pdu_exp_sn131072_len18 = allocate_unique_buffer(*pool);
pdu_exp_sn131072_len18->append_bytes(pdu1_count131072_snlen18, sizeof(pdu1_count131072_snlen18));
TESTASSERT(test_tx(n_packets,
normal_init_state,
srslte::PDCP_SN_LEN_18,
n_packets,
std::move(pdu_exp_sn131072_len18),
pool,
log) == 0);
/*
* TX Test 6: PDCP Entity with SN LEN = 18
* TX_NEXT = 262144.
* Input: {0x18, 0xE2}
* Output: PDCP Header {0x80, 0x00, 0x00}, Ciphered Text {0xc2, 0x47}, MAC-I {0xa8, 0xdd, 0xc0, 0x73}
*/
n_packets = 262145;
srslte::unique_byte_buffer_t pdu_exp_count262144_len18 = allocate_unique_buffer(*pool);
pdu_exp_count262144_len18->append_bytes(pdu1_count262144_snlen18, sizeof(pdu1_count262144_snlen18));
TESTASSERT(test_tx(n_packets,
normal_init_state,
srslte::PDCP_SN_LEN_18,
n_packets,
std::move(pdu_exp_count262144_len18),
pool,
log) == 0);
/*
* TX Test 7: PDCP Entity with SN LEN = 12
* Test TX at COUNT wraparound.
* Should print a warning and drop all packets after wraparound.
*/
n_packets = 5;
srslte::unique_byte_buffer_t pdu_exp_count4294967295_len12 = allocate_unique_buffer(*pool);
pdu_exp_count4294967295_len12->append_bytes(pdu1_count4294967295_snlen12, sizeof(pdu1_count4294967295_snlen12));
TESTASSERT(test_tx(n_packets,
near_wraparound_init_state,
srslte::PDCP_SN_LEN_12,
1,
std::move(pdu_exp_count4294967295_len12),
pool,
log) == 0);
/*
* TX Test 8: PDCP Entity with SN LEN = 18
* Test TX at COUNT wraparound.
* Should print a warning and drop all packets after wraparound.
*/
n_packets = 5;
srslte::unique_byte_buffer_t pdu_exp_count4294967295_len18 = allocate_unique_buffer(*pool);
pdu_exp_count4294967295_len18->append_bytes(pdu1_count4294967295_snlen18, sizeof(pdu1_count4294967295_snlen18));
TESTASSERT(test_tx(n_packets,
near_wraparound_init_state,
srslte::PDCP_SN_LEN_18,
1,
std::move(pdu_exp_count4294967295_len18),
pool,
log) == 0);
return 0;
}
// Setup all tests
int run_all_tests(srslte::byte_buffer_pool* pool)
{
// Setup log
srslte::log_filter log("PDCP NR Test TX");
log.set_level(srslte::LOG_LEVEL_DEBUG);
log.set_hex_limit(128);
TESTASSERT(test_tx_all(pool, &log) == 0);
return 0;
}
int main()
{
if (run_all_tests(srslte::byte_buffer_pool::get_instance()) != SRSLTE_SUCCESS) {
fprintf(stderr, "pdcp_nr_tests_tx() failed\n");
return SRSLTE_ERROR;
}
srslte::byte_buffer_pool::cleanup();
return SRSLTE_SUCCESS;
}