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srsLTE
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Added test for receiving out of order NR PDCP packets

This commit is contained in:
Pedro Alvarez 2019-09-30 17:27:28 +01:00 committed by Andre Puschmann
parent ff15ed5018
commit f06e1af4e0
1 changed files with 59 additions and 4 deletions
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63
lib/test/upper/pdcp_nr_test.cc
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@ -43,7 +43,7 @@ uint8_t k_enc[] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0
uint8_t sdu1[] = {0x18, 0xE2};
uint32_t SDU1_LEN = 2;
// Test PDUs for rx
// Test PDUs for rx (generated from SDU1)
uint8_t pdu1[] = {0x80, 0x00, 0x8f, 0xe3, 0xe0, 0xdf, 0x82, 0x92};
uint32_t PDU1_LEN = 8;
@ -62,6 +62,14 @@ uint32_t PDU5_LEN = 9;
uint8_t pdu6[] = {0x80, 0x00, 0x00, 0xc2, 0x47, 0xa8, 0xdd, 0xc0, 0x73};
uint32_t PDU6_LEN = 9;
// Test SDUs for tx
uint8_t sdu2[] = {0xde, 0xad};
uint32_t SDU2_LEN = 2;
// Test PDUs for rx (generated from SDU2)
uint8_t pdu7[] = {0x80, 0x01, 0x5e, 0x3d, 0x64, 0xaf, 0xac, 0x7c};
uint32_t PDU7_LEN = 8;
// dummy classes
class rlc_dummy : public srsue::rlc_interface_pdcp
{
@ -319,6 +327,52 @@ int test_rx_in_sequence(uint64_t n_packets, uint8_t pdcp_sn_len, srslte::byte_bu
return 0;
}
/*
* RX Test: PDCP Entity with packtes received out of order
* PDCP entity configured with EIA2 and EEA2
*/
int test_rx_out_of_order(uint8_t pdcp_sn_len, srslte::byte_buffer_pool* pool, srslte::log* log)
{
srslte::pdcp_entity_nr pdcp_rx;
srslte::pdcp_config_t cfg_rx = {
1, srslte::PDCP_RB_IS_DRB, srslte::SECURITY_DIRECTION_DOWNLINK, srslte::SECURITY_DIRECTION_UPLINK, pdcp_sn_len};
rlc_dummy rlc_rx(log);
rrc_dummy rrc_rx(log);
gw_dummy gw_rx(log);
srslte::timers timers_rx(64);
pdcp_rx.init(&rlc_rx, &rrc_rx, &gw_rx, &timers_rx, log, 0, cfg_rx);
pdcp_rx.config_security(
k_enc, k_int, k_enc, k_int, srslte::CIPHERING_ALGORITHM_ID_128_EEA2, srslte::INTEGRITY_ALGORITHM_ID_128_EIA2);
pdcp_rx.enable_integrity();
pdcp_rx.enable_encryption();
srslte::unique_byte_buffer_t sdu_act = allocate_unique_buffer(*pool);
srslte::unique_byte_buffer_t sdu_exp = allocate_unique_buffer(*pool);
memcpy(sdu_exp->msg, sdu2, SDU2_LEN);
sdu_exp->N_bytes = SDU2_LEN;
// Generate encripted and integrity protected PDUs
srslte::unique_byte_buffer_t rx_pdu1 = allocate_unique_buffer(*pool);
srslte::unique_byte_buffer_t rx_pdu7 = allocate_unique_buffer(*pool);
memcpy(rx_pdu1->msg, pdu1, PDU1_LEN);
rx_pdu1->N_bytes = PDU1_LEN;
memcpy(rx_pdu7->msg, pdu7, PDU7_LEN);
rx_pdu7->N_bytes = PDU7_LEN;
// decript and check matching SDUs (out of order)
pdcp_rx.write_pdu(std::move(rx_pdu7));
pdcp_rx.write_pdu(std::move(rx_pdu1));
gw_rx.get_last_pdu(sdu_act);
TESTASSERT(sdu_exp->N_bytes == sdu_act->N_bytes);
for (uint32_t j = 0; j < sdu_act->N_bytes; ++j) {
TESTASSERT(sdu_exp->msg[j] == sdu_act->msg[j]);
}
return 0;
}
// Setup all tests
int run_all_tests(srslte::byte_buffer_pool* pool)
{
@ -327,10 +381,11 @@ int run_all_tests(srslte::byte_buffer_pool* pool)
log.set_level(srslte::LOG_LEVEL_DEBUG);
log.set_hex_limit(128);
TESTASSERT(test_tx_all(pool, &log) == 0);
TESTASSERT(test_rx_in_sequence(4097, srslte::PDCP_SN_LEN_12, pool, &log) == 0);
// TESTASSERT(test_tx_all(pool, &log) == 0);
// TESTASSERT(test_rx_in_sequence(4097, srslte::PDCP_SN_LEN_12, pool, &log) == 0);
// TESTASSERT(test_rx_in_sequence(4294967297, srslte::PDCP_SN_LEN_12, pool, &log) == 0);
TESTASSERT(test_rx_in_sequence(262145, srslte::PDCP_SN_LEN_18, pool, &log) == 0);
// TESTASSERT(test_rx_in_sequence(262145, srslte::PDCP_SN_LEN_18, pool, &log) == 0);
TESTASSERT(test_rx_out_of_order(srslte::PDCP_SN_LEN_12, pool, &log) == 0);
return 0;
}