/** * * \section COPYRIGHT * * Copyright 2013-2021 Software Radio Systems Limited * * By using this file, you agree to the terms and conditions set * forth in the LICENSE file which can be found at the top level of * the distribution. * */ #include "pdcp_nr_test.h" #include /* * 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, srsran::unique_byte_buffer_t pdu_exp, srslog::basic_logger& logger) { srsran::pdcp_config_t cfg = {1, srsran::PDCP_RB_IS_DRB, srsran::SECURITY_DIRECTION_UPLINK, srsran::SECURITY_DIRECTION_DOWNLINK, pdcp_sn_len, srsran::pdcp_t_reordering_t::ms500, srsran::pdcp_discard_timer_t::infinity, false, srsran::srsran_rat_t::nr}; pdcp_nr_test_helper pdcp_hlp(cfg, sec_cfg, logger); srsran::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 srsran::unique_byte_buffer_t sdu = srsran::make_byte_buffer(); sdu->append_bytes(sdu1, sizeof(sdu1)); pdcp->write_sdu(std::move(sdu)); } srsran::unique_byte_buffer_t pdu_act = srsran::make_byte_buffer(); 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(srslog::basic_logger& logger) { 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; srsran::unique_byte_buffer_t pdu_exp_count0_len12 = srsran::make_byte_buffer(); pdu_exp_count0_len12->append_bytes(pdu1_count0_snlen12, sizeof(pdu1_count0_snlen12)); TESTASSERT( test_tx( n_packets, normal_init_state, srsran::PDCP_SN_LEN_12, n_packets, std::move(pdu_exp_count0_len12), logger) == 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; srsran::unique_byte_buffer_t pdu_exp_count2048_len12 = srsran::make_byte_buffer(); pdu_exp_count2048_len12->append_bytes(pdu1_count2048_snlen12, sizeof(pdu1_count2048_snlen12)); TESTASSERT(test_tx(n_packets, normal_init_state, srsran::PDCP_SN_LEN_12, n_packets, std::move(pdu_exp_count2048_len12), logger) == 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; srsran::unique_byte_buffer_t pdu_exp_count4096_len12 = srsran::make_byte_buffer(); pdu_exp_count4096_len12->append_bytes(pdu1_count4096_snlen12, sizeof(pdu1_count4096_snlen12)); TESTASSERT(test_tx(n_packets, normal_init_state, srsran::PDCP_SN_LEN_12, n_packets, std::move(pdu_exp_count4096_len12), logger) == 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; srsran::unique_byte_buffer_t pdu_exp_count0_len18 = srsran::make_byte_buffer(); pdu_exp_count0_len18->append_bytes(pdu1_count0_snlen18, sizeof(pdu1_count0_snlen18)); TESTASSERT( test_tx( n_packets, normal_init_state, srsran::PDCP_SN_LEN_18, n_packets, std::move(pdu_exp_count0_len18), logger) == 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; srsran::unique_byte_buffer_t pdu_exp_sn131072_len18 = srsran::make_byte_buffer(); pdu_exp_sn131072_len18->append_bytes(pdu1_count131072_snlen18, sizeof(pdu1_count131072_snlen18)); TESTASSERT( test_tx( n_packets, normal_init_state, srsran::PDCP_SN_LEN_18, n_packets, std::move(pdu_exp_sn131072_len18), logger) == 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; srsran::unique_byte_buffer_t pdu_exp_count262144_len18 = srsran::make_byte_buffer(); pdu_exp_count262144_len18->append_bytes(pdu1_count262144_snlen18, sizeof(pdu1_count262144_snlen18)); TESTASSERT(test_tx(n_packets, normal_init_state, srsran::PDCP_SN_LEN_18, n_packets, std::move(pdu_exp_count262144_len18), logger) == 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; srsran::unique_byte_buffer_t pdu_exp_count4294967295_len12 = srsran::make_byte_buffer(); pdu_exp_count4294967295_len12->append_bytes(pdu1_count4294967295_snlen12, sizeof(pdu1_count4294967295_snlen12)); TESTASSERT(test_tx(n_packets, near_wraparound_init_state, srsran::PDCP_SN_LEN_12, 1, std::move(pdu_exp_count4294967295_len12), logger) == 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; srsran::unique_byte_buffer_t pdu_exp_count4294967295_len18 = srsran::make_byte_buffer(); pdu_exp_count4294967295_len18->append_bytes(pdu1_count4294967295_snlen18, sizeof(pdu1_count4294967295_snlen18)); TESTASSERT(test_tx(n_packets, near_wraparound_init_state, srsran::PDCP_SN_LEN_18, 1, std::move(pdu_exp_count4294967295_len18), logger) == 0); return 0; } // Setup all tests int run_all_tests() { // Setup log auto& logger = srslog::fetch_basic_logger("PDCP NR Test TX", false); logger.set_level(srslog::basic_levels::debug); logger.set_hex_dump_max_size(128); TESTASSERT(test_tx_all(logger) == 0); return 0; } int main() { srslog::init(); if (run_all_tests() != SRSRAN_SUCCESS) { fprintf(stderr, "pdcp_nr_tests_tx() failed\n"); return SRSRAN_ERROR; } return SRSRAN_SUCCESS; }