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Sarting to add test for out of order wrap-around.

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master
Pedro Alvarez 5 years ago committed by Andre Puschmann
parent ceea761ca4
commit 43c68fe78b
1 changed files with 215 additions and 77 deletions
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292
lib/test/upper/pdcp_nr_test.cc
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@ -40,6 +40,8 @@ pdcp_security_cfg sec_cfg = {
// Test SDUs for tx
uint8_t sdu1[] = {0x18, 0xE2};
uint8_t sdu2[] = {0xde, 0xad};
// Test PDUs for rx (generated from SDU1)
uint8_t pdu1[] = {0x80, 0x00, 0x8f, 0xe3, 0xe0, 0xdf, 0x82, 0x92};
@ -53,9 +55,6 @@ uint8_t pdu5[] = {0x82, 0x00, 0x00, 0x15, 0x01, 0xf4, 0xb0, 0xfc, 0xc5};
uint8_t pdu6[] = {0x80, 0x00, 0x00, 0xc2, 0x47, 0xa8, 0xdd, 0xc0, 0x73};
// Test SDUs for tx
uint8_t sdu2[] = {0xde, 0xad};
// Test PDUs for rx (generated from SDU2)
uint8_t pdu7[] = {0x80, 0x01, 0x5e, 0x3d, 0x64, 0xaf, 0xac, 0x7c};
@ -98,74 +97,6 @@ int test_tx(uint32_t n_packets,
return 0;
}
/*
* TX Test: PDCP Entity with SN LEN = 12 and 18. Tested COUNT = 0, 2048 and 4096
* PDCP entity configured with EIA2 and EEA2
*/
int test_tx_all(srslte::byte_buffer_pool* pool, srslte::log* log)
{
/*
* 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}
*/
srslte::unique_byte_buffer_t pdu_exp_sn0_len12 = allocate_unique_buffer(*pool);
pdu_exp_sn0_len12->append_bytes(pdu1, sizeof(pdu1));
TESTASSERT(test_tx(1, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn0_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}
*/
srslte::unique_byte_buffer_t pdu_exp_sn2048_len12 = allocate_unique_buffer(*pool);
pdu_exp_sn2048_len12->append_bytes(pdu2, sizeof(pdu2));
TESTASSERT(test_tx(2049, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn2048_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}
*/
srslte::unique_byte_buffer_t pdu_exp_sn4096_len12 = allocate_unique_buffer(*pool);
pdu_exp_sn4096_len12->append_bytes(pdu3, sizeof(pdu3));
TESTASSERT(test_tx(4097, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn4096_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}
*/
srslte::unique_byte_buffer_t pdu_exp_sn0_len18 = allocate_unique_buffer(*pool);
pdu_exp_sn0_len18->append_bytes(pdu4, sizeof(pdu4));
TESTASSERT(test_tx(1, srslte::PDCP_SN_LEN_18, std::move(pdu_exp_sn0_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}
*/
srslte::unique_byte_buffer_t pdu_exp_sn131072_len18 = allocate_unique_buffer(*pool);
pdu_exp_sn131072_len18->append_bytes(pdu5, sizeof(pdu5));
TESTASSERT(test_tx(131073, srslte::PDCP_SN_LEN_18, 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}
*/
srslte::unique_byte_buffer_t pdu_exp_sn262144_len18 = allocate_unique_buffer(*pool);
pdu_exp_sn262144_len18->append_bytes(pdu6, sizeof(pdu6));
TESTASSERT(test_tx(262145, srslte::PDCP_SN_LEN_18, std::move(pdu_exp_sn262144_len18), pool, log) == 0);
return 0;
}
/*
* Genric function to test reception of in-sequence packets
*/
@ -242,7 +173,7 @@ int test_rx_out_of_order(uint8_t pdcp_sn_len, srslte::byte_buffer_pool* pool, sr
srslte::unique_byte_buffer_t sdu_exp = allocate_unique_buffer(*pool);
sdu_exp->append_bytes(sdu2, sizeof(sdu2));
// Generate encripted and integrity protected PDUs
// Get encripted and integrity protected PDUs used for testing
srslte::unique_byte_buffer_t rx_pdu1 = allocate_unique_buffer(*pool);
srslte::unique_byte_buffer_t rx_pdu7 = allocate_unique_buffer(*pool);
rx_pdu1->append_bytes(pdu1, sizeof(pdu1));
@ -306,6 +237,217 @@ int test_rx_out_of_order_timeout(uint8_t pdcp_sn_len, srslte::byte_buffer_pool*
}
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_wraparound(uint8_t pdcp_sn_len, srslte::byte_buffer_pool* pool, srslte::log* log)
{
srslte::pdcp_config_t cfg_rx = {1,
srslte::PDCP_RB_IS_DRB,
srslte::SECURITY_DIRECTION_DOWNLINK,
srslte::SECURITY_DIRECTION_UPLINK,
pdcp_sn_len,
srslte::pdcp_t_reordering_t::ms500};
pdcp_nr_test_helper pdcp_rx_hlp(cfg_rx, sec_cfg, log);
srslte::pdcp_entity_nr* pdcp_rx = &pdcp_rx_hlp.pdcp;
gw_dummy* gw_rx = &pdcp_rx_hlp.gw;
srslte::unique_byte_buffer_t sdu_act = allocate_unique_buffer(*pool);
srslte::unique_byte_buffer_t sdu_exp = allocate_unique_buffer(*pool);
sdu_exp->append_bytes(sdu2, sizeof(sdu2));
// 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);
rx_pdu1->append_bytes(pdu1, sizeof(pdu1));
rx_pdu7->append_bytes(pdu7, sizeof(pdu7));
pdcp_rx->write_pdu(std::move(rx_pdu1));
// decript and check matching SDUs (out of order)
pdcp_rx->write_pdu(std::move(rx_pdu7));
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;
}
int test_rx_out_of_order(uint64_t n_packets, uint8_t pdcp_sn_len, srslte::byte_buffer_pool* pool, srslte::log* log)
{
srslte::pdcp_config_t cfg_tx = {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_config_t cfg_rx = {1,
srslte::PDCP_RB_IS_DRB,
srslte::SECURITY_DIRECTION_DOWNLINK,
srslte::SECURITY_DIRECTION_UPLINK,
pdcp_sn_len,
srslte::pdcp_t_reordering_t::ms500};
pdcp_nr_test_helper pdcp_hlp_tx(cfg_tx, sec_cfg, log);
srslte::pdcp_entity_nr* pdcp_tx = &pdcp_hlp_tx.pdcp;
rlc_dummy* rlc_tx = &pdcp_hlp_tx.rlc;
pdcp_nr_test_helper pdcp_hlp_rx(cfg_rx, sec_cfg, log);
srslte::pdcp_entity_nr* pdcp_rx = &pdcp_hlp_rx.pdcp;
gw_dummy* gw_rx = &pdcp_hlp_rx.gw;
// Generate test message and encript/decript SDU. Check match with original SDU
for (uint64_t i = 0; i < n_packets - 1; ++i) {
srslte::unique_byte_buffer_t sdu = allocate_unique_buffer(*pool);
sdu->append_bytes(sdu1, sizeof(sdu1));
// Generate encripted and integrity protected PDU
pdcp_tx->write_sdu(std::move(sdu), true);
// Decript and integrity check the PDU
srslte::unique_byte_buffer_t pdu = allocate_unique_buffer(*pool);
rlc_tx->get_last_sdu(pdu);
pdcp_rx->write_pdu(std::move(pdu));
}
// Write PDUs into tx entity to get expected PDUs
srslte::unique_byte_buffer_t tx_sdu_out2 = allocate_unique_buffer(*pool);
tx_sdu_out2->append_bytes(sdu2, sizeof(sdu2));
pdcp_tx->write_sdu(std::move(tx_sdu_out2), true);
srslte::unique_byte_buffer_t tx_pdu_out2 = allocate_unique_buffer(*pool);
rlc_tx->get_last_sdu(tx_pdu_out2);
srslte::unique_byte_buffer_t tx_sdu_out1 = allocate_unique_buffer(*pool);
tx_sdu_out1->append_bytes(sdu1, sizeof(sdu1));
pdcp_tx->write_sdu(std::move(tx_sdu_out1), true);
srslte::unique_byte_buffer_t tx_pdu_out1 = allocate_unique_buffer(*pool);
rlc_tx->get_last_sdu(tx_pdu_out1);
// Write PDUs out-of-order into rx entity to see if re-ordering is OK.
pdcp_rx->write_pdu(std::move(tx_pdu_out1));
pdcp_rx->write_pdu(std::move(tx_pdu_out2));
// Test actual reception
srslte::unique_byte_buffer_t sdu_act = allocate_unique_buffer(*pool);
gw_rx->get_last_pdu(sdu_act);
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)
{
/*
* 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}
*/
srslte::unique_byte_buffer_t pdu_exp_sn0_len12 = allocate_unique_buffer(*pool);
pdu_exp_sn0_len12->append_bytes(pdu1, sizeof(pdu1));
TESTASSERT(test_tx(1, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn0_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}
*/
srslte::unique_byte_buffer_t pdu_exp_sn2048_len12 = allocate_unique_buffer(*pool);
pdu_exp_sn2048_len12->append_bytes(pdu2, sizeof(pdu2));
TESTASSERT(test_tx(2049, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn2048_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}
*/
srslte::unique_byte_buffer_t pdu_exp_sn4096_len12 = allocate_unique_buffer(*pool);
pdu_exp_sn4096_len12->append_bytes(pdu3, sizeof(pdu3));
TESTASSERT(test_tx(4097, srslte::PDCP_SN_LEN_12, std::move(pdu_exp_sn4096_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}
*/
srslte::unique_byte_buffer_t pdu_exp_sn0_len18 = allocate_unique_buffer(*pool);
pdu_exp_sn0_len18->append_bytes(pdu4, sizeof(pdu4));
TESTASSERT(test_tx(1, srslte::PDCP_SN_LEN_18, std::move(pdu_exp_sn0_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}
*/
srslte::unique_byte_buffer_t pdu_exp_sn131072_len18 = allocate_unique_buffer(*pool);
pdu_exp_sn131072_len18->append_bytes(pdu5, sizeof(pdu5));
TESTASSERT(test_tx(131073, srslte::PDCP_SN_LEN_18, 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}
*/
srslte::unique_byte_buffer_t pdu_exp_sn262144_len18 = allocate_unique_buffer(*pool);
pdu_exp_sn262144_len18->append_bytes(pdu6, sizeof(pdu6));
TESTASSERT(test_tx(262145, srslte::PDCP_SN_LEN_18, std::move(pdu_exp_sn262144_len18), pool, log) == 0);
return 0;
}
/*
* RX Test: PDCP Entity with SN LEN = 12 and 18.
* PDCP entity configured with EIA2 and EEA2
*/
int test_rx_all(srslte::byte_buffer_pool* pool, srslte::log* log)
{
/*
* RX Test 1: PDCP Entity with SN LEN = 12
* Test In-sequence reception of 4097 packets
*/
TESTASSERT(test_rx_in_sequence(4097, srslte::PDCP_SN_LEN_12, pool, log) == 0);
/*
* RX Test 2: PDCP Entity with SN LEN = 12
* Test In-sequence reception of 4294967297 packets. This tests SN wrap-around
*/
// TESTASSERT(test_rx_in_sequence(4294967297, srslte::PDCP_SN_LEN_12, pool, &log) == 0);
/*
* RX Test 3: PDCP Entity with SN LEN = 18
* Test In-sequence reception of 262145 packets.
*/
TESTASSERT(test_rx_in_sequence(262145, srslte::PDCP_SN_LEN_18, pool, log) == 0);
/*
* RX Test 4: PDCP Entity with SN LEN = 12
* Test Reception of one out-of-order packet.
*/
TESTASSERT(test_rx_out_of_order(srslte::PDCP_SN_LEN_12, pool, log) == 0);
/*
* RX Test 5: PDCP Entity with SN LEN = 12
* Test timeout of t-Reordering when one packet is lost.
*/
TESTASSERT(test_rx_out_of_order_timeout(srslte::PDCP_SN_LEN_12, pool, log) == 0);
return 0;
}
// Setup all tests
int run_all_tests(srslte::byte_buffer_pool* pool)
{
@ -315,11 +457,7 @@ int run_all_tests(srslte::byte_buffer_pool* pool)
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_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_out_of_order(srslte::PDCP_SN_LEN_12, pool, &log) == 0);
TESTASSERT(test_rx_out_of_order_timeout(srslte::PDCP_SN_LEN_12, pool, &log) == 0);
TESTASSERT(test_rx_all(pool, &log) == 0);
// TESTASSERT(test_rx_out_of_order_wraparound(srslte::PDCP_SN_LEN_12, pool, &log) == 0);
return 0;
}

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