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srsLTE
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Adding test for reception of duplicate packets.

This commit is contained in:
Pedro Alvarez 2019-10-15 13:53:33 +01:00 committed by Andre Puschmann
parent 3614c1004e
commit 347e10d967
2 changed files with 83 additions and 38 deletions
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103
lib/test/upper/pdcp_nr_test.cc
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@ -53,6 +53,7 @@ uint8_t pdu1_count4294967295_snlen18[] = {0x83, 0xff, 0xff, 0x1e, 0x47, 0xe6, 0x
// Test PDUs for rx (generated from SDU2) // Test PDUs for rx (generated from SDU2)
uint8_t pdu2_count1_snlen12[] = {0x80, 0x01, 0x5e, 0x3d, 0x64, 0xaf, 0xac, 0x7c}; uint8_t pdu2_count1_snlen12[] = {0x80, 0x01, 0x5e, 0x3d, 0x64, 0xaf, 0xac, 0x7c};
uint8_t pdu2_count1_snlen18[] = {0x80, 0x00, 0x01, 0x5e, 0x3d, 0x64, 0xaf, 0xac, 0x7c};
// This is the normal initial state. All state variables are set to zero // This is the normal initial state. All state variables are set to zero
pdcp_initial_state normal_init_state = {}; pdcp_initial_state normal_init_state = {};
@ -124,8 +125,8 @@ int test_rx(std::vector<pdcp_test_event_t> events,
pdcp_nr_test_helper pdcp_hlp_rx(cfg_rx, sec_cfg, log); pdcp_nr_test_helper pdcp_hlp_rx(cfg_rx, sec_cfg, log);
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;
srslte::timers* timers_rx = &pdcp_hlp_rx.timers;
pdcp_hlp_rx.set_pdcp_initial_state(init_state); pdcp_hlp_rx.set_pdcp_initial_state(init_state);
// Generate test message and encript/decript SDU. // Generate test message and encript/decript SDU.
@ -133,7 +134,9 @@ int test_rx(std::vector<pdcp_test_event_t> events,
// Decript and integrity check the PDU // Decript and integrity check the PDU
pdcp_rx->write_pdu(std::move(event.pkt)); pdcp_rx->write_pdu(std::move(event.pkt));
for (uint32_t i = 0; i < event.ticks; ++i){
timers_rx->step_all();
}
} }
// Test if the number of RX packets // Test if the number of RX packets
@ -363,10 +366,13 @@ int test_rx_all(srslte::byte_buffer_pool* pool, srslte::log* log)
{ {
std::vector<pdcp_test_event_t> test5_pdus; std::vector<pdcp_test_event_t> test5_pdus;
pdcp_initial_state test5_init_state = {}; pdcp_initial_state test5_init_state = {};
// First PDU
pdcp_test_event_t event_pdu1; pdcp_test_event_t event_pdu1;
event_pdu1.pkt = srslte::allocate_unique_buffer(*pool); event_pdu1.pkt = srslte::allocate_unique_buffer(*pool);
event_pdu1.pkt->append_bytes(pdu1_count0_snlen12, sizeof(pdu1_count0_snlen12)); event_pdu1.pkt->append_bytes(pdu1_count0_snlen12, sizeof(pdu1_count0_snlen12));
// Second PDU
pdcp_test_event_t event_pdu2; pdcp_test_event_t event_pdu2;
event_pdu2.pkt = srslte::allocate_unique_buffer(*pool); event_pdu2.pkt = srslte::allocate_unique_buffer(*pool);
event_pdu2.pkt->append_bytes(pdu2_count1_snlen12, sizeof(pdu2_count1_snlen12)); event_pdu2.pkt->append_bytes(pdu2_count1_snlen12, sizeof(pdu2_count1_snlen12));
@ -376,29 +382,73 @@ int test_rx_all(srslte::byte_buffer_pool* pool, srslte::log* log)
test5_pdus.push_back(std::move(event_pdu1)); test5_pdus.push_back(std::move(event_pdu1));
TESTASSERT(test_rx(std::move(test5_pdus), test5_init_state, srslte::PDCP_SN_LEN_12, 2, tst_sdu2, pool, log) == 0); TESTASSERT(test_rx(std::move(test5_pdus), test5_init_state, srslte::PDCP_SN_LEN_12, 2, tst_sdu2, pool, log) == 0);
} }
/* /*
* RX Test 5: PDCP Entity with SN LEN = 12 * RX Test 6: PDCP Entity with SN LEN = 18
* Test reception of two out-of-order packets, starting at COUNT 0.
*/
{
std::vector<pdcp_test_event_t> test6_pdus;
pdcp_initial_state test6_init_state = {};
// First PDU
pdcp_test_event_t event_pdu1;
event_pdu1.pkt = srslte::allocate_unique_buffer(*pool);
event_pdu1.pkt->append_bytes(pdu1_count0_snlen18, sizeof(pdu1_count0_snlen18));
// Second PDU
pdcp_test_event_t event_pdu2;
event_pdu2.pkt = srslte::allocate_unique_buffer(*pool);
event_pdu2.pkt->append_bytes(pdu2_count1_snlen18, sizeof(pdu2_count1_snlen18));
// Write PDUs out of order (first the pdu with COUNT 1 and COUNT 0 after)
test6_pdus.push_back(std::move(event_pdu2));
test6_pdus.push_back(std::move(event_pdu1));
TESTASSERT(test_rx(std::move(test6_pdus), test6_init_state, srslte::PDCP_SN_LEN_18, 2, tst_sdu2, pool, log) == 0);
}
/*
* RX Test 7: 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(normal_init_state, srslte::PDCP_SN_LEN_12, pool, log) == 0); {
std::vector<pdcp_test_event_t> test7_pdus;
pdcp_initial_state test7_init_state = {};
// First PDU
pdcp_test_event_t event_pdu1;
event_pdu1.pkt = srslte::allocate_unique_buffer(*pool);
event_pdu1.pkt->append_bytes(pdu2_count1_snlen12, sizeof(pdu2_count1_snlen12));
event_pdu1.ticks = 500;
// Write PDUs out of order (first the pdu with COUNT 1 and COUNT 0 after)
test7_pdus.push_back(std::move(event_pdu1));
TESTASSERT(test_rx(std::move(test7_pdus), test7_init_state, srslte::PDCP_SN_LEN_12, 1, tst_sdu2, pool, log) == 0);
}
/* /*
* RX Test 6: PDCP Entity with SN LEN = 12 * RX Test 8: PDCP Entity with SN LEN = 12
* Test Reception of one out-of-order packet at COUNT wraparound. * Test reception of two duplicate PDUs, with COUNT 0.
*/ */
// TESTASSERT(test_rx_out_of_order(near_wraparound_init_state, srslte::PDCP_SN_LEN_12, pool, log) == 0); {
std::vector<pdcp_test_event_t> test8_pdus;
pdcp_initial_state test8_init_state = {};
/* // First PDU
* RX Test 5: PDCP Entity with SN LEN = 12 pdcp_test_event_t event_pdu1;
* Test timeout of t-Reordering when one packet is lost. event_pdu1.pkt = srslte::allocate_unique_buffer(*pool);
*/ event_pdu1.pkt->append_bytes(pdu1_count0_snlen12, sizeof(pdu1_count0_snlen12));
// TESTASSERT(test_rx_out_of_order_timeout(srslte::PDCP_SN_LEN_12, pool, log) == 0);
/* // Second PDU
* RX Test 5: PDCP Entity with SN LEN = 12 pdcp_test_event_t event_pdu2;
* Test timeout of t-Reordering when one packet is lost. event_pdu2.pkt = srslte::allocate_unique_buffer(*pool);
*/ event_pdu2.pkt->append_bytes(pdu1_count0_snlen12, sizeof(pdu1_count0_snlen12));
// TESTASSERT(test_rx_out_of_order(4294967297, srslte::PDCP_SN_LEN_12, pool, log) == 0);
// Write PDUs out of order (first the pdu with COUNT 1 and COUNT 0 after)
test8_pdus.push_back(std::move(event_pdu1));
test8_pdus.push_back(std::move(event_pdu2));
TESTASSERT(test_rx(std::move(test8_pdus), test8_init_state, srslte::PDCP_SN_LEN_12, 1, tst_sdu1, pool, log) == 0);
}
return 0; return 0;
} }
@ -410,20 +460,15 @@ int run_all_tests(srslte::byte_buffer_pool* pool)
log.set_level(srslte::LOG_LEVEL_DEBUG); log.set_level(srslte::LOG_LEVEL_DEBUG);
log.set_hex_limit(128); log.set_hex_limit(128);
// TESTASSERT(test_tx_all(pool, &log) == 0); TESTASSERT(test_tx_all(pool, &log) == 0);
TESTASSERT(test_rx_all(pool, &log) == 0); TESTASSERT(test_rx_all(pool, &log) == 0);
// Helpers for generating expected PDUs // Helpers for generating expected PDUs
// srslte::unique_byte_buffer_t sdu = srslte::allocate_unique_buffer(*pool); //srslte::unique_byte_buffer_t sdu = srslte::allocate_unique_buffer(*pool);
// sdu->append_bytes(sdu1, sizeof(sdu1)); //sdu->append_bytes(sdu2, sizeof(sdu2));
// srslte::pdcp_config_t cfg_tx = {1, //uint32_t tx_next = 1;
// srslte::PDCP_RB_IS_DRB, //srslte::unique_byte_buffer_t pdu = gen_expected_pdu(std::move(sdu), tx_next, srslte::PDCP_SN_LEN_18, sec_cfg, pool, &log);
// srslte::SECURITY_DIRECTION_UPLINK, //print_packet_array(pdu);
// srslte::SECURITY_DIRECTION_DOWNLINK,
// srslte::PDCP_SN_LEN_12,
// srslte::pdcp_t_reordering_t::ms500};
// uint32_t tx_next = 4294967295;
// gen_expected_pdu(std::move(sdu), tx_next, cfg_tx, sec_cfg, &log, pool);
return 0; return 0;
} }

18
lib/test/upper/pdcp_nr_test.h
View File

@ -45,15 +45,6 @@ int compare_two_packets(const srslte::unique_byte_buffer_t& msg1, const srslte::
return 0; return 0;
} }
void print_packet_array(const srslte::unique_byte_buffer_t& msg)
{
printf("uint8_t msg[] = {\n");
for (uint64_t i = 0; i < msg->N_bytes; ++i) {
printf("0x%02x, ", msg->msg[i]);
}
printf("\n};\n");
}
struct pdcp_security_cfg { struct pdcp_security_cfg {
uint8_t* k_int_rrc; uint8_t* k_int_rrc;
uint8_t* k_enc_rrc; uint8_t* k_enc_rrc;
@ -231,4 +222,13 @@ std::vector<pdcp_test_event_t> gen_expected_pdus_vector(const srslte::unique_byt
return pdu_vec; return pdu_vec;
} }
// Helper to print packets
void print_packet_array(const srslte::unique_byte_buffer_t& msg)
{
printf("uint8_t msg[] = {\n");
for (uint64_t i = 0; i < msg->N_bytes; ++i) {
printf("0x%02x, ", msg->msg[i]);
}
printf("\n};\n");
}
#endif // SRSLTE_PDCP_NR_TEST_H #endif // SRSLTE_PDCP_NR_TEST_H