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mac_test: add manual test for TC 7.1.4.6

This commit is contained in:
Andre Puschmann 2020-09-28 15:24:08 +02:00
parent 5a9b1865e4
commit 936e3b7bef
1 changed files with 156 additions and 0 deletions
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156
srsue/test/mac_test.cc
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@ -771,6 +771,157 @@ int mac_ul_logical_channel_prioritization_test3()
return SRSLTE_SUCCESS;
}
// Manual excecution of TC 7.1.4.6 of 36.523-1
int mac_ul_logical_channel_prioritization_test4()
{
const uint8_t tv1[] = {0x3d, 0x03, 0x86, 0x03}; // Short BSR plus SDU for LCID3
const uint8_t tv2[] = {0x3d, 0x04, 0x88, 0x04}; // Short BSR plus SDU for LCID4
const uint8_t tv3[] = {0x1e, 0x00, 0x12, 0x00}; // Long BSR
srslte::log_filter rlc_log("RLC");
rlc_log.set_level(srslte::LOG_LEVEL_DEBUG);
rlc_log.set_hex_limit(100000);
// dummy layers
phy_dummy phy;
rlc_dummy rlc(&rlc_log);
rrc_dummy rrc;
stack_dummy stack;
// the actual MAC
mac mac("MAC", &stack.task_sched);
stack.init(&mac, &phy);
mac.init(&phy, &rlc, &rrc);
const uint16_t crnti = 0x1001;
mac.set_ho_rnti(crnti, 0);
// generate configs for three LCIDs with different priority and PBR (Table 7.1.4.6.1-1 in TS 36.321)
std::vector<logical_channel_config_t> lcids;
logical_channel_config_t config = {};
config.lcid = 3;
config.lcg = 2;
config.PBR = 0;
config.BSD = 1000; // 1000ms
config.priority = 8;
lcids.push_back(config);
config.lcid = 4;
config.lcg = 2;
config.PBR = 0;
config.priority = 7;
lcids.push_back(config);
config.lcid = 5;
config.lcg = 1;
config.PBR = 0;
config.priority = 6; // highest prio among the three
lcids.push_back(config);
// setup LCIDs in MAC
for (auto& channel : lcids) {
mac.setup_lcid(channel.lcid, channel.lcg, channel.priority, channel.PBR, channel.BSD);
}
// write dummy data
rlc.write_sdu(3, 10);
rlc.write_sdu(3, 10);
// run TTI to setup Bj, BSR should be generated
stack.run_tti(0);
usleep(100);
// create UL action and grant and push MAC PDU (Step 5 in 7.1.4.6.3.2 in TS 36.523-1)
{
mac_interface_phy_lte::tb_action_ul_t ul_action = {};
mac_interface_phy_lte::mac_grant_ul_t mac_grant = {};
mac_grant.rnti = crnti; // make sure MAC picks it up as valid UL grant
mac_grant.tb.ndi_present = true;
mac_grant.tb.ndi = true;
mac_grant.tb.tbs = 4; // Enough for Short BSR
int cc_idx = 0;
// Send grant to MAC and get action for this TB, then call tb_decoded to unlock MAC
mac.new_grant_ul(cc_idx, mac_grant, &ul_action);
// print generated PDU
mac_log->info_hex(ul_action.tb.payload, mac_grant.tb.tbs, "Generated PDU (%d B)\n", mac_grant.tb.tbs);
#if HAVE_PCAP
pcap_handle->write_ul_crnti(ul_action.tb.payload, mac_grant.tb.tbs, 0x1001, true, 1, 0);
#endif
TESTASSERT(memcmp(ul_action.tb.payload, tv1, sizeof(tv1)) == 0);
}
// Step 6
rlc.write_sdu(4, 10);
// run TTI to setup Bj, BSR should be generated
stack.run_tti(0);
usleep(100);
// create UL action and grant and push MAC PDU (Step 8)
{
mac_interface_phy_lte::tb_action_ul_t ul_action = {};
mac_interface_phy_lte::mac_grant_ul_t mac_grant = {};
mac_grant.rnti = crnti; // make sure MAC picks it up as valid UL grant
mac_grant.tb.ndi_present = true;
mac_grant.tb.ndi = false;
mac_grant.tb.tbs = 4;
int cc_idx = 0;
// Send grant to MAC and get action for this TB, then call tb_decoded to unlock MAC
mac.new_grant_ul(cc_idx, mac_grant, &ul_action);
// print generated PDU
mac_log->info_hex(ul_action.tb.payload, mac_grant.tb.tbs, "Generated PDU (%d B)\n", mac_grant.tb.tbs);
#if HAVE_PCAP
pcap_handle->write_ul_crnti(ul_action.tb.payload, mac_grant.tb.tbs, 0x1001, true, 1, 0);
#endif
// Step 9 (UE report BSR with index 8 or more)
TESTASSERT(memcmp(ul_action.tb.payload, tv2, sizeof(tv2)) == 0);
}
// Step 10
rlc.write_sdu(5, 2);
rlc.write_sdu(5, 2);
// run TTI to setup Bj, BSR should be generated
stack.run_tti(0);
usleep(100);
// create UL action and grant and push MAC PDU (Step 11)
{
mac_interface_phy_lte::tb_action_ul_t ul_action = {};
mac_interface_phy_lte::mac_grant_ul_t mac_grant = {};
mac_grant.rnti = crnti; // make sure MAC picks it up as valid UL grant
mac_grant.tb.ndi_present = true;
mac_grant.tb.ndi = true;
mac_grant.tb.tbs = 4;
int cc_idx = 0;
// Send grant to MAC and get action for this TB, then call tb_decoded to unlock MAC
mac.new_grant_ul(cc_idx, mac_grant, &ul_action);
// print generated PDU
mac_log->info_hex(ul_action.tb.payload, mac_grant.tb.tbs, "Generated PDU (%d B)\n", mac_grant.tb.tbs);
#if HAVE_PCAP
pcap_handle->write_ul_crnti(ul_action.tb.payload, mac_grant.tb.tbs, 0x1001, true, 1, 0);
#endif
TESTASSERT(memcmp(ul_action.tb.payload, tv3, sizeof(tv3)) == 0);
}
// make sure MAC PDU thread picks up before stopping
stack.run_tti(0);
mac.stop();
return SRSLTE_SUCCESS;
}
// PDU with single SDU and short BSR (entire RLC buffers are transmitted in MAC PDU)
int mac_ul_sch_pdu_with_short_bsr_test()
{
@ -1629,6 +1780,11 @@ int main(int argc, char** argv)
return -1;
}
if (mac_ul_logical_channel_prioritization_test4()) {
printf("mac_ul_logical_channel_prioritization_test4() test failed.\n");
return -1;
}
if (mac_ul_sch_pdu_with_short_bsr_test()) {
printf("mac_ul_sch_pdu_with_short_bsr_test() test failed.\n");
return -1;