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mac_pdu_nr_test: add packing test for UL-SCH PDU with CRNTI, PHR and SBSR

This commit is contained in:
Andre Puschmann 2021-02-04 14:54:36 +01:00
parent e227916819
commit 30216fe1fc
1 changed files with 68 additions and 27 deletions
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95
lib/test/mac/mac_pdu_nr_test.cc
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@ -523,44 +523,85 @@ int mac_ul_sch_pdu_unpack_test5()
return SRSLTE_SUCCESS;
}
int mac_ul_sch_pdu_unpack_test6()
int mac_dl_sch_pdu_unpack_and_pack_test6()
{
// MAC PDU with UL-SCH: CRNTI, SE PHR, SBDR and padding
// CRNTI:4601 SE PHR:ph=63 pc=52 SBSR: lcg=6 bs=0 PAD: len=0
// CRNTI:0x4601 SE PHR:ph=63 pc=52 SBSR: lcg=6 bs=0 PAD: len=0
uint8_t tv[] = {0x3a, 0x46, 0x01, 0x39, 0x3f, 0x34, 0x3d, 0xc0, 0x3f};
const uint16_t TV_CRNTI = 0x4601;
const uint8_t TV_PHR = 63;
const uint8_t TV_PC = 52;
const uint8_t TV_LCG = 6;
const uint8_t TV_BUFF_SIZE = 0;
if (pcap_handle) {
pcap_handle->write_ul_crnti_nr(tv, sizeof(tv), PCAP_CRNTI, true, PCAP_TTI);
}
srslte::mac_sch_pdu_nr pdu(true);
pdu.unpack(tv, sizeof(tv));
TESTASSERT(pdu.get_num_subpdus() == 4);
// Unpack TV
{
srslte::mac_sch_pdu_nr pdu_rx(true);
pdu_rx.unpack(tv, sizeof(tv));
TESTASSERT(pdu_rx.get_num_subpdus() == 4);
// 1st C-RNTI
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() == 0x4601);
// 1st C-RNTI
mac_sch_subpdu_nr subpdu = pdu_rx.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 SE PHR
subpdu = pdu.get_subpdu(1);
TESTASSERT(subpdu.get_lcid() == mac_sch_subpdu_nr::SE_PHR);
TESTASSERT(subpdu.get_phr() == 63);
TESTASSERT(subpdu.get_pcmax() == 52);
// 2nd subPDU is SE PHR
subpdu = pdu_rx.get_subpdu(1);
TESTASSERT(subpdu.get_lcid() == mac_sch_subpdu_nr::SE_PHR);
TESTASSERT(subpdu.get_phr() == TV_PHR);
TESTASSERT(subpdu.get_pcmax() == TV_PC);
// 3rd subPDU is SBSR
subpdu = pdu.get_subpdu(2);
TESTASSERT(subpdu.get_lcid() == mac_sch_subpdu_nr::SHORT_BSR);
mac_sch_subpdu_nr::lcg_bsr_t sbsr = subpdu.get_sbsr();
TESTASSERT(sbsr.lcg_id == 6);
TESTASSERT(sbsr.buffer_size == 0);
// 3rd subPDU is SBSR
subpdu = pdu_rx.get_subpdu(2);
TESTASSERT(subpdu.get_lcid() == mac_sch_subpdu_nr::SHORT_BSR);
mac_sch_subpdu_nr::lcg_bsr_t sbsr = subpdu.get_sbsr();
TESTASSERT(sbsr.lcg_id == TV_LCG);
TESTASSERT(sbsr.buffer_size == TV_BUFF_SIZE);
// 4th is padding
subpdu = pdu.get_subpdu(3);
TESTASSERT(subpdu.get_lcid() == mac_sch_subpdu_nr::PADDING);
// 4th is padding
subpdu = pdu_rx.get_subpdu(3);
TESTASSERT(subpdu.get_lcid() == mac_sch_subpdu_nr::PADDING);
}
// Let's pack the entire PDU again
{
byte_buffer_t tx_buffer;
srslte::mac_sch_pdu_nr pdu_tx(true);
pdu_tx.init_tx(&tx_buffer, sizeof(tv), true); // same size as TV
TESTASSERT(pdu_tx.get_remaing_len() == 9);
TESTASSERT(pdu_tx.add_crnti_ce(TV_CRNTI) == SRSLTE_SUCCESS);
TESTASSERT(pdu_tx.get_remaing_len() == 6);
TESTASSERT(pdu_tx.add_se_phr_ce(TV_PHR, TV_PC) == SRSLTE_SUCCESS);
TESTASSERT(pdu_tx.get_remaing_len() == 3);
mac_sch_subpdu_nr::lcg_bsr_t sbsr = {};
sbsr.lcg_id = TV_LCG;
sbsr.buffer_size = TV_BUFF_SIZE;
TESTASSERT(pdu_tx.add_sbsr_ce(sbsr) == SRSLTE_SUCCESS);
TESTASSERT(pdu_tx.get_remaing_len() == 1);
// finish PDU packing
pdu_tx.pack();
// compare PDUs
TESTASSERT(tx_buffer.N_bytes == sizeof(tv));
TESTASSERT(memcmp(tx_buffer.msg, tv, tx_buffer.N_bytes) == 0);
if (pcap_handle) {
pcap_handle->write_ul_crnti_nr(tx_buffer.msg, tx_buffer.N_bytes, PCAP_CRNTI, true, PCAP_TTI);
}
}
return SRSLTE_SUCCESS;
}
@ -643,8 +684,8 @@ int main(int argc, char** argv)
return SRSLTE_ERROR;
}
if (mac_ul_sch_pdu_unpack_test6()) {
fprintf(stderr, "mac_ul_sch_pdu_unpack_test6() failed.\n");
if (mac_dl_sch_pdu_unpack_and_pack_test6()) {
fprintf(stderr, "mac_dl_sch_pdu_unpack_and_pack_test6() failed.\n");
return SRSLTE_ERROR;
}