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