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srsLTE
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Starting to add the ability to tweak the initial state of the PDCP NR state, so that the tests of counter wraparound don't take hours.

This commit is contained in:
Pedro Alvarez 2019-10-07 18:58:38 +01:00 committed by Andre Puschmann
parent 517ce8a220
commit 39943367ab
1 changed files with 55 additions and 0 deletions
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55
lib/test/upper/pdcp_nr_test.cc
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@ -36,6 +36,7 @@ pdcp_security_cfg sec_cfg = {
srslte::CIPHERING_ALGORITHM_ID_128_EEA2,
};
// Test SDUs for tx
uint8_t sdu1[] = {0x18, 0xE2};
uint8_t sdu2[] = {0xde, 0xad};
@ -51,6 +52,14 @@ uint8_t pdu6[] = {0x80, 0x00, 0x00, 0xc2, 0x47, 0xa8, 0xdd, 0xc0, 0x73};
// Test PDUs for rx (generated from SDU2)
uint8_t pdu7[] = {0x80, 0x01, 0x5e, 0x3d, 0x64, 0xaf, 0xac, 0x7c};
// Struct to help initialize pdcp_helper.
struct pdcp_nr_initial_state_cfg {
uint32_t tx_next = 0;
uint32_t rx_next = 0;
uint32_t rx_deliv = 0;
uint32_t rx_reord = 0;
};
/*
* Genric function to test transmission of in-sequence packets
*/
@ -330,6 +339,52 @@ int test_rx_out_of_order(uint64_t n_packets, uint8_t pdcp_sn_len, srslte::byte_b
TESTASSERT(compare_two_packets(sdu_act, sdu_exp) == 0);
return 0;
}
int test_rx_with_initial_state(srslte::unique_byte_buffer_t sdu_exp,
std::vector<srslte::unique_byte_buffer_t> rx_pdus,
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_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;
// Set PDCP initial state
struct pdcp_nr_initial_state_cfg initial_state;
initial_state.tx_next = 0;
initial_state.rx_next = 4294967295;
initial_state.rx_deliv = 4294967295;
initial_state.rx_reord = 0;
pdcp_rx->set_tx_next(initial_state.tx_next);
pdcp_rx->set_rx_next(initial_state.rx_next);
pdcp_rx->set_rx_deliv(initial_state.rx_deliv);
pdcp_rx->set_rx_reord(initial_state.rx_reord);
// 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
TESTASSERT(gw_rx->rx_count == rx_pdus.size());
srslte::unique_byte_buffer_t sdu_act = allocate_unique_buffer(*pool);
gw_rx->get_last_pdu(sdu_act);
log->info_hex(sdu_act->msg, sdu_act->N_bytes, "SDU act");
TESTASSERT(compare_two_packets(sdu_act, sdu_exp) == 0);
return 0;
}
/*
* TX Test: PDCP Entity with SN LEN = 12 and 18.
* PDCP entity configured with EIA2 and EEA2