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Added test for reordering at COUNT wraparound. Failing at the moment (as expected).

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master
Pedro Alvarez 5 years ago committed by Andre Puschmann
parent 1d56fa6308
commit f29dd3c5de
1 changed files with 52 additions and 178 deletions
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230
lib/test/upper/pdcp_nr_test.cc
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@ -152,123 +152,9 @@ int test_rx_in_sequence(uint64_t tx_next_max, const pdcp_initial_state &init_sta
} }
/* /*
* RX Test: PDCP Entity with packtes received out of order * Genric function to test reception of a single out-of-order packet
* 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_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));
// 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_count0_snlen12, sizeof(pdu1_count0_snlen12));
rx_pdu7->append_bytes(pdu7, sizeof(pdu7));
// 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(compare_two_packets(sdu_exp, sdu_act) == 0);
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_timeout(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::timers* timers = &pdcp_rx_hlp.timers;
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_pdu7 = allocate_unique_buffer(*pool);
rx_pdu7->append_bytes(pdu7, sizeof(pdu7));
// decript and check matching SDUs (out of order)
pdcp_rx->write_pdu(std::move(rx_pdu7));
// Make sure out of order is not received until time out
TESTASSERT(gw_rx->rx_count == 0);
// Trigger timer
for (uint16_t i = 0; i < 500; ++i){
timers->step_all();
}
// Make sure timout delivered PDU to GW
TESTASSERT(gw_rx->rx_count == 1);
gw_rx->get_last_pdu(sdu_act);
TESTASSERT(compare_two_packets(sdu_exp, sdu_act) == 0);
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) int test_rx_out_of_order(pdcp_initial_state init_state, 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_count0_snlen12, sizeof(pdu1_count0_snlen12));
rx_pdu7->append_bytes(pdu7, sizeof(pdu7));
// decript and check matching SDUs (out of order)
pdcp_rx->write_pdu(std::move(rx_pdu1));
pdcp_rx->write_pdu(std::move(rx_pdu7));
gw_rx->get_last_pdu(sdu_act);
TESTASSERT(compare_two_packets(sdu_exp, sdu_act) == 0);
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_config_t cfg_tx = {1,
@ -293,22 +179,8 @@ int test_rx_out_of_order(uint64_t n_packets, uint8_t pdcp_sn_len, srslte::byte_b
srslte::pdcp_entity_nr* pdcp_rx = &pdcp_hlp_rx.pdcp; srslte::pdcp_entity_nr* pdcp_rx = &pdcp_hlp_rx.pdcp;
gw_dummy* gw_rx = &pdcp_hlp_rx.gw; gw_dummy* gw_rx = &pdcp_hlp_rx.gw;
// Make sure that n_pakets is large enough to reorder pdcp_hlp_tx.set_pdcp_initial_state(init_state);
TESTASSERT(n_packets >= 2); pdcp_hlp_rx.set_pdcp_initial_state(init_state);
// Generate test message and encript/decript SDU. Check match with original SDU
for (uint64_t i = 0; i < n_packets - 2; ++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));
}
// Allocate buffers for later comparison. // Allocate buffers for later comparison.
srslte::unique_byte_buffer_t sdu_act = allocate_unique_buffer(*pool); srslte::unique_byte_buffer_t sdu_act = allocate_unique_buffer(*pool);
@ -335,7 +207,7 @@ int test_rx_out_of_order(uint64_t n_packets, uint8_t pdcp_sn_len, srslte::byte_b
pdcp_rx->write_pdu(std::move(tx_pdu_out1)); pdcp_rx->write_pdu(std::move(tx_pdu_out1));
// Test actual reception // Test actual reception
TESTASSERT(gw_rx->rx_count == n_packets); TESTASSERT(gw_rx->rx_count == 2);
gw_rx->get_last_pdu(sdu_act); gw_rx->get_last_pdu(sdu_act);
log->info_hex(sdu_act->msg, sdu_act->N_bytes, "SDU act"); log->info_hex(sdu_act->msg, sdu_act->N_bytes, "SDU act");
@ -343,9 +215,12 @@ int test_rx_out_of_order(uint64_t n_packets, uint8_t pdcp_sn_len, srslte::byte_b
return 0; return 0;
} }
int test_rx_with_initial_state(uint8_t pdcp_sn_len, srslte::byte_buffer_pool* pool, srslte::log* log) /*
* RX Test: PDCP Entity with packtes received out of order
* PDCP entity configured with EIA2 and EEA2
*/
int test_rx_out_of_order_timeout(uint8_t pdcp_sn_len, srslte::byte_buffer_pool* pool, srslte::log* log)
{ {
srslte::pdcp_config_t cfg_rx = {1, srslte::pdcp_config_t cfg_rx = {1,
srslte::PDCP_RB_IS_DRB, srslte::PDCP_RB_IS_DRB,
srslte::SECURITY_DIRECTION_DOWNLINK, srslte::SECURITY_DIRECTION_DOWNLINK,
@ -353,46 +228,34 @@ int test_rx_with_initial_state(uint8_t pdcp_sn_len, srslte::byte_buffer_pool* po
pdcp_sn_len, pdcp_sn_len,
srslte::pdcp_t_reordering_t::ms500}; srslte::pdcp_t_reordering_t::ms500};
pdcp_nr_test_helper pdcp_hlp_rx(cfg_rx, sec_cfg, log); pdcp_nr_test_helper pdcp_rx_hlp(cfg_rx, sec_cfg, log);
srslte::pdcp_entity_nr* pdcp_rx = &pdcp_hlp_rx.pdcp; srslte::pdcp_entity_nr* pdcp_rx = &pdcp_rx_hlp.pdcp;
gw_dummy* gw_rx = &pdcp_hlp_rx.gw; gw_dummy* gw_rx = &pdcp_rx_hlp.gw;
srslte::timers* timers = &pdcp_rx_hlp.timers;
// Set PDCP initial state srslte::unique_byte_buffer_t sdu_act = allocate_unique_buffer(*pool);
struct pdcp_nr_initial_state_cfg initial_state; srslte::unique_byte_buffer_t sdu_exp = allocate_unique_buffer(*pool);
initial_state.tx_next = 0; sdu_exp->append_bytes(sdu2, sizeof(sdu2));
initial_state.rx_next = 4294967295;
initial_state.rx_deliv = 4294967295; // Generate encripted and integrity protected PDUs
initial_state.rx_reord = 0; srslte::unique_byte_buffer_t rx_pdu7 = allocate_unique_buffer(*pool);
rx_pdu7->append_bytes(pdu7, sizeof(pdu7));
pdcp_rx->set_tx_next(initial_state.tx_next);
pdcp_rx->set_rx_next(initial_state.rx_next); // decript and check matching SDUs (out of order)
pdcp_rx->set_rx_deliv(initial_state.rx_deliv); pdcp_rx->write_pdu(std::move(rx_pdu7));
pdcp_rx->set_rx_reord(initial_state.rx_reord);
// Make sure out of order is not received until time out
// Setup PDCP PDUs (SN 4095 and 0) TESTASSERT(gw_rx->rx_count == 0);
std::vector<srslte::unique_byte_buffer_t> rx_pdus;
rx_pdus.reserve(2); // Trigger timer
rx_pdus[0] = srslte::allocate_unique_buffer(*pool); for (uint16_t i = 0; i < 500; ++i){
rx_pdus[1] = srslte::allocate_unique_buffer(*pool); timers->step_all();
rx_pdus[0]->append_bytes(pdu1_count0_snlen12, sizeof(pdu1_count0_snlen12));
rx_pdus[1]->append_bytes(pdu7, sizeof(pdu7));
// set sdu exp
srslte::unique_byte_buffer_t sdu_exp = srslte::allocate_unique_buffer(*pool);
// Write PDUs into Rx PDCP
for(srslte::unique_byte_buffer_t &rx_pdu : rx_pdus){
pdcp_rx->write_pdu(std::move(rx_pdu));
} }
// Test actual reception // Make sure timout delivered PDU to GW
TESTASSERT(gw_rx->rx_count == rx_pdus.size()); TESTASSERT(gw_rx->rx_count == 1);
srslte::unique_byte_buffer_t sdu_act = allocate_unique_buffer(*pool);
gw_rx->get_last_pdu(sdu_act); gw_rx->get_last_pdu(sdu_act);
TESTASSERT(compare_two_packets(sdu_exp, sdu_act) == 0);
log->info_hex(sdu_act->msg, sdu_act->N_bytes, "SDU act");
TESTASSERT(compare_two_packets(sdu_act, sdu_exp) == 0);
return 0; return 0;
} }
@ -481,7 +344,7 @@ int test_rx_all(srslte::byte_buffer_pool* pool, srslte::log* log)
/* /*
* RX Test 1: PDCP Entity with SN LEN = 12 * RX Test 1: PDCP Entity with SN LEN = 12
* Test in-sequence reception of 4097 packets. * Test in-sequence reception of 4097 packets.
* This tests correct handling of HFN in the case of SN wraparound * This tests correct handling of HFN in the case of SN wraparound (SN LEN 12)
*/ */
//TESTASSERT(test_rx_in_sequence(4096, normal_init_state, srslte::PDCP_SN_LEN_12, pool, log) == 0); //TESTASSERT(test_rx_in_sequence(4096, normal_init_state, srslte::PDCP_SN_LEN_12, pool, log) == 0);
@ -491,23 +354,34 @@ int test_rx_all(srslte::byte_buffer_pool* pool, srslte::log* log)
* This tests correct handling of COUNT in the case of [HFN|SN] wraparound * This tests correct handling of COUNT in the case of [HFN|SN] wraparound
*/ */
//pdcp_initial_state test2_init_state = {}; //pdcp_initial_state test2_init_state = {};
TESTASSERT(test_rx_in_sequence(4294967296, near_wraparound_init_state, srslte::PDCP_SN_LEN_12, pool, log) == 0); //TESTASSERT(test_rx_in_sequence(4294967296, near_wraparound_init_state, srslte::PDCP_SN_LEN_12, pool, log) == 0);
/* /*
* RX Test 3: PDCP Entity with SN LEN = 18 * RX Test 3: PDCP Entity with SN LEN = 18
* Test In-sequence reception of 262145 packets. * Test In-sequence reception of 262145 packets.
* This tests correct handling of HFN in the case of SN wraparound * This tests correct handling of HFN in the case of SN wraparound (SN LEN 18)
*/ */
pdcp_initial_state test3_init_state = {}; pdcp_initial_state test3_init_state = {};
//TESTASSERT(test_rx_in_sequence(262145, normal_init_state, srslte::PDCP_SN_LEN_18, pool, log) == 0); //TESTASSERT(test_rx_in_sequence(262144, normal_init_state, srslte::PDCP_SN_LEN_18, pool, log) == 0);
/*
* RX Test 4: PDCP Entity with SN LEN = 18
* Test in-sequence reception of 4294967297 packets.
* This tests correct handling of COUNT in the case of [HFN|SN] wraparound
*/
//TESTASSERT(test_rx_in_sequence(4294967296, near_wraparound_init_state, srslte::PDCP_SN_LEN_18, pool, log) == 0);
/* /*
* RX Test 4: PDCP Entity with SN LEN = 12 * RX Test 5: PDCP Entity with SN LEN = 12
* Test Reception of one out-of-order packet. * Test Reception of one out-of-order packet.
*/ */
//TESTASSERT(test_rx_out_of_order(srslte::PDCP_SN_LEN_12, pool, log) == 0); TESTASSERT(test_rx_out_of_order(normal_init_state, srslte::PDCP_SN_LEN_12, pool, log) == 0);
//TESTASSERT(test_rx_out_of_order(2, srslte::PDCP_SN_LEN_12, pool, log) == 0);
/*
* RX Test 6: PDCP Entity with SN LEN = 12
* Test Reception of one out-of-order packet at COUNT wraparound.
*/
TESTASSERT(test_rx_out_of_order(near_wraparound_init_state, srslte::PDCP_SN_LEN_12, pool, log) == 0);
/* /*
* RX Test 5: PDCP Entity with SN LEN = 12 * RX Test 5: PDCP Entity with SN LEN = 12
* Test timeout of t-Reordering when one packet is lost. * Test timeout of t-Reordering when one packet is lost.

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