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mac_pdu_nr_test: add LBSR unpacking tests

This commit is contained in:
Andre Puschmann 2021-10-15 16:47:47 +02:00
parent af69551c8d
commit e5556fcc32
1 changed files with 89 additions and 0 deletions
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89
lib/test/mac/mac_pdu_nr_test.cc
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@ -516,6 +516,90 @@ int mac_ul_sch_pdu_unpack_and_pack_test3()
return SRSRAN_SUCCESS;
}
int mac_ul_sch_pdu_unpack_and_pack_test4()
{
// MAC PDU with UL-SCH with C-RNTI, Long BSR (all zeros) and padding
uint8_t mac_ul_sch_pdu_1[] = {0x3a, 0x46, 0x01, 0x3e, 0x01, 0x00, 0x3f, 0x21, 0x21, 0x21, 0x21};
const uint16_t TV_CRNTI = 0x4601;
// only LBSR with only one LCG (LCG7 leftmost bit) reporting buffer state
uint8_t mac_ul_sch_pdu_2[] = {0x3e, 0x02, 0x80, 0xab};
// only LBSR with only two LCG (LCG7 leftmost bit. LCG0) reporting buffer state
uint8_t mac_ul_sch_pdu_3[] = {0x3e, 0x03, 0x81, 0xab, 0xcd};
if (pcap_handle) {
pcap_handle->write_ul_crnti_nr(mac_ul_sch_pdu_1, sizeof(mac_ul_sch_pdu_1), PCAP_CRNTI, true, PCAP_TTI);
pcap_handle->write_ul_crnti_nr(mac_ul_sch_pdu_2, sizeof(mac_ul_sch_pdu_2), PCAP_CRNTI, true, PCAP_TTI);
pcap_handle->write_ul_crnti_nr(mac_ul_sch_pdu_3, sizeof(mac_ul_sch_pdu_3), PCAP_CRNTI, true, PCAP_TTI);
}
// pretty print PDU
fmt::memory_buffer buff;
auto& mac_logger = srslog::fetch_basic_logger("MAC");
// first TV
srsran::mac_sch_pdu_nr pdu(true);
pdu.unpack(mac_ul_sch_pdu_1, sizeof(mac_ul_sch_pdu_1));
pdu.to_string(buff);
mac_logger.info("Rx PDU: %s", srsran::to_c_str(buff));
TESTASSERT(pdu.get_num_subpdus() == 3);
// 1st subPDU is C-RNTI CE
mac_sch_subpdu_nr subpdu = pdu.get_subpdu(0);
TESTASSERT(subpdu.get_total_length() == 3);
TESTASSERT(subpdu.get_sdu_length() == 2);
TESTASSERT(subpdu.get_lcid() == mac_sch_subpdu_nr::CRNTI);
TESTASSERT(subpdu.get_c_rnti() == TV_CRNTI);
// 2nd subPDU is LBSR
subpdu = pdu.get_subpdu(1);
TESTASSERT(subpdu.get_lcid() == mac_sch_subpdu_nr::LONG_BSR);
mac_sch_subpdu_nr::lbsr_t lbsr = subpdu.get_lbsr();
TESTASSERT(lbsr.list.size() == 0);
// 3rd is padding
subpdu = pdu.get_subpdu(2);
TESTASSERT(subpdu.get_lcid() == mac_sch_subpdu_nr::PADDING);
// TODO: pack again and test
// 2nd TV
pdu.init_rx(true);
pdu.unpack(mac_ul_sch_pdu_2, sizeof(mac_ul_sch_pdu_2));
buff.clear();
pdu.to_string(buff);
mac_logger.info("Rx PDU: %s", srsran::to_c_str(buff));
TESTASSERT(pdu.get_num_subpdus() == 1);
subpdu = pdu.get_subpdu(0);
TESTASSERT(subpdu.get_lcid() == mac_sch_subpdu_nr::LONG_BSR);
lbsr = subpdu.get_lbsr();
TESTASSERT(lbsr.list.size() == 1);
TESTASSERT(lbsr.list.at(0).lcg_id == 7);
TESTASSERT(lbsr.list.at(0).buffer_size == 0xab);
// 3nd TV
pdu.init_rx(true);
pdu.unpack(mac_ul_sch_pdu_3, sizeof(mac_ul_sch_pdu_3));
buff.clear();
pdu.to_string(buff);
mac_logger.info("Rx PDU: %s", srsran::to_c_str(buff));
TESTASSERT(pdu.get_num_subpdus() == 1);
subpdu = pdu.get_subpdu(0);
TESTASSERT(subpdu.get_lcid() == mac_sch_subpdu_nr::LONG_BSR);
lbsr = subpdu.get_lbsr();
TESTASSERT(lbsr.list.size() == 2);
TESTASSERT(lbsr.list.at(0).lcg_id == 0);
TESTASSERT(lbsr.list.at(0).buffer_size == 0xab);
TESTASSERT(lbsr.list.at(1).lcg_id == 7);
TESTASSERT(lbsr.list.at(1).buffer_size == 0xcd);
return SRSRAN_SUCCESS;
}
int mac_ul_sch_pdu_pack_test4()
{
// MAC PDU with UL-SCH (with normal LCID) subheader for long SDU
@ -771,6 +855,11 @@ int main(int argc, char** argv)
return SRSRAN_ERROR;
}
if (mac_ul_sch_pdu_unpack_and_pack_test4()) {
fprintf(stderr, "mac_ul_sch_pdu_unpack_and_pack_test4() failed.\n");
return SRSRAN_ERROR;
}
if (mac_ul_sch_pdu_pack_test4()) {
fprintf(stderr, "mac_ul_sch_pdu_pack_test4() failed.\n");
return SRSRAN_ERROR;