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srsLTE
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nr,gnb,sched: fix logging of tbs. check if sched args are supported at sched startup. change the tti logging to be equal to tti_rx

This commit is contained in:
Francisco 2021-10-18 13:26:14 +01:00 committed by Francisco Paisana
parent 3bf09021f9
commit d5acf73c46
6 changed files with 35 additions and 39 deletions
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19
srsenb/hdr/stack/mac/nr/sched_nr_harq.h
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@ -48,17 +48,13 @@ public:
void new_slot(slot_point slot_rx);
void reset();
bool new_tx(slot_point slot_tx,
slot_point slot_ack,
const prb_grant& grant,
uint32_t mcs,
uint32_t tbs,
uint32_t max_retx);
bool new_tx(slot_point slot_tx, slot_point slot_ack, const prb_grant& grant, uint32_t mcs, uint32_t max_retx);
bool new_retx(slot_point slot_tx, slot_point slot_ack, const prb_grant& grant);
bool new_retx(slot_point slot_tx, slot_point slot_ack);
// NOTE: Has to be used before first tx is dispatched
bool set_tbs(uint32_t tbs, int mcs = -1);
bool set_tbs(uint32_t tbs);
bool set_mcs(uint32_t mcs);
const uint32_t pid;
@ -87,12 +83,7 @@ public:
tx_harq_softbuffer& get_softbuffer() { return *softbuffer; }
srsran::unique_byte_buffer_t* get_tx_pdu() { return &pdu; }
bool new_tx(slot_point slot_tx,
slot_point slot_ack,
const prb_grant& grant,
uint32_t mcs,
uint32_t tbs,
uint32_t max_retx);
bool new_tx(slot_point slot_tx, slot_point slot_ack, const prb_grant& grant, uint32_t mcs, uint32_t max_retx);
private:
srsran::unique_pool_ptr<tx_harq_softbuffer> softbuffer;
@ -110,7 +101,7 @@ public:
bool set_tbs(uint32_t tbs)
{
softbuffer->reset(tbs * 8u);
softbuffer->reset(tbs);
return harq_proc::set_tbs(tbs);
}

2
srsenb/src/stack/mac/nr/mac_nr.cc
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@ -291,7 +291,7 @@ int mac_nr::slot_indication(const srsran_slot_cfg_t& slot_cfg)
int mac_nr::get_dl_sched(const srsran_slot_cfg_t& slot_cfg, dl_sched_t& dl_sched)
{
logger.set_context(slot_cfg.idx);
logger.set_context(slot_cfg.idx - TX_ENB_DELAY);
slot_point pdsch_slot = srsran::slot_point{NUMEROLOGY_IDX, slot_cfg.idx};
sched_nr_interface::dl_sched_res_t dl_res;

6
srsenb/src/stack/mac/nr/sched_nr_cfg.cc
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@ -101,7 +101,11 @@ cell_params_t::cell_params_t(uint32_t cc_, const cell_cfg_t& cell, const sched_a
srsran_assert(not bwps.empty(), "No BWPs were configured");
}
sched_params::sched_params(const sched_args_t& sched_cfg_) : sched_cfg(sched_cfg_) {}
sched_params::sched_params(const sched_args_t& sched_cfg_) : sched_cfg(sched_cfg_)
{
srsran_assert(sched_cfg.fixed_dl_mcs >= 0, "Dynamic DL MCS not supported");
srsran_assert(sched_cfg.fixed_ul_mcs >= 0, "Dynamic DL MCS not supported");
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

25
srsenb/src/stack/mac/nr/sched_nr_grant_allocator.cc
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@ -172,7 +172,7 @@ alloc_result bwp_slot_allocator::alloc_rar_and_msg3(uint16_t
prb_interval msg3_interv{last_msg3, last_msg3 + msg3_nof_prbs};
last_msg3 += msg3_nof_prbs;
ue.h_ul = ue.harq_ent->find_empty_ul_harq();
success = ue.h_ul->new_tx(msg3_slot, msg3_slot, msg3_interv, mcs, 100, max_harq_msg3_retx);
success = ue.h_ul->new_tx(msg3_slot, msg3_slot, msg3_interv, mcs, max_harq_msg3_retx);
srsran_assert(success, "Failed to allocate Msg3");
fill_dci_msg3(ue, *bwp_grid.cfg, rar_grant.msg3_dci);
@ -240,22 +240,20 @@ alloc_result bwp_slot_allocator::alloc_pdsch(slot_ue& ue, const prb_grant& dl_gr
}
// Allocate HARQ
int mcs = ue.cfg->fixed_pdsch_mcs();
if (ue.h_dl->empty()) {
int mcs = ue.cfg->fixed_pdsch_mcs();
srsran_assert(mcs >= 0, "Dynamic MCS not yet supported");
int tbs = 100;
bool ret = ue.h_dl->new_tx(ue.pdsch_slot, ue.uci_slot, dl_grant, mcs, tbs, 4);
bool ret = ue.h_dl->new_tx(ue.pdsch_slot, ue.uci_slot, dl_grant, mcs, 4);
srsran_assert(ret, "Failed to allocate DL HARQ");
} else {
bool ret = ue.h_dl->new_retx(ue.pdsch_slot, ue.uci_slot, dl_grant);
mcs = ue.h_dl->mcs();
srsran_assert(ret, "Failed to allocate DL HARQ retx");
}
// Allocation Successful
int mcs = ue.h_dl->mcs();
const static float max_R = 0.93;
do {
while (true) {
// Generate PDCCH
pdcch_dl_t& pdcch = bwp_pdcch_slot.dl_pdcchs.back();
fill_dl_dci_ue_fields(ue, *bwp_grid.cfg, ss_id, pdcch.dci.ctx.location, pdcch.dci);
@ -288,15 +286,15 @@ alloc_result bwp_slot_allocator::alloc_pdsch(slot_ue& ue, const prb_grant& dl_gr
} else {
srsran_assert(pdsch.sch.grant.tb[0].tbs == (int)ue.h_dl->tbs(), "The TBS did not remain constant in retx");
}
if (bwp_pdsch_slot.pdschs.back().sch.grant.tb[0].R_prime < max_R or mcs == 0) {
if (ue.h_dl->nof_retx() > 0 or bwp_pdsch_slot.pdschs.back().sch.grant.tb[0].R_prime < max_R or mcs <= 0) {
break;
}
// Decrease MCS if rate is too high
// Decrease MCS if first tx and rate is too high
mcs--;
ue.h_dl->set_tbs(100, mcs);
ue.h_dl->set_mcs(mcs);
bwp_pdsch_slot.pdschs.pop_back();
bwp_uci_slot.pending_acks.pop_back();
} while (true);
}
if (mcs == 0) {
logger.warning("Couldn't find mcs that leads to R<0.9");
}
@ -338,10 +336,9 @@ alloc_result bwp_slot_allocator::alloc_pusch(slot_ue& ue, const prb_grant& ul_pr
}
if (ue.h_ul->empty()) {
int mcs = ue.cfg->fixed_pusch_mcs();
srsran_assert(mcs >= 0, "Dynamic MCS not yet supported");
int mcs = ue.cfg->fixed_pusch_mcs();
int tbs = 100;
bool success = ue.h_ul->new_tx(ue.pusch_slot, ue.pusch_slot, ul_prbs, mcs, tbs, ue.cfg->ue_cfg()->maxharq_tx);
bool success = ue.h_ul->new_tx(ue.pusch_slot, ue.pusch_slot, ul_prbs, mcs, ue.cfg->ue_cfg()->maxharq_tx);
srsran_assert(success, "Failed to allocate UL HARQ");
} else {
bool success = ue.h_ul->new_retx(ue.pusch_slot, ue.pusch_slot, ul_prbs);

18
srsenb/src/stack/mac/nr/sched_nr_harq.cc
View File

@ -48,7 +48,6 @@ bool harq_proc::new_tx(slot_point slot_tx_,
slot_point slot_ack_,
const prb_grant& grant,
uint32_t mcs,
uint32_t tbs,
uint32_t max_retx_)
{
if (not empty()) {
@ -61,20 +60,26 @@ bool harq_proc::new_tx(slot_point slot_tx_,
prbs_ = grant;
tb[0].ndi = !tb[0].ndi;
tb[0].mcs = mcs;
tb[0].tbs = tbs;
tb[0].tbs = 0;
tb[0].active = true;
return true;
}
bool harq_proc::set_tbs(uint32_t tbs, int mcs)
bool harq_proc::set_tbs(uint32_t tbs)
{
if (empty() or nof_retx() > 0) {
return false;
}
tb[0].tbs = tbs;
if (mcs >= 0) {
tb[0].mcs = mcs;
return true;
}
bool harq_proc::set_mcs(uint32_t mcs)
{
if (empty() or nof_retx() > 0) {
return false;
}
tb[0].mcs = mcs;
return true;
}
@ -112,10 +117,9 @@ bool dl_harq_proc::new_tx(slot_point slot_tx,
slot_point slot_ack,
const prb_grant& grant,
uint32_t mcs,
uint32_t tbs,
uint32_t max_retx)
{
if (harq_proc::new_tx(slot_tx, slot_ack, grant, mcs, tbs, max_retx)) {
if (harq_proc::new_tx(slot_tx, slot_ack, grant, mcs, max_retx)) {
softbuffer->reset();
pdu->clear();
return true;

4
srsenb/src/stack/mac/nr/sched_nr_helpers.cc
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@ -156,7 +156,7 @@ void log_sched_bwp_result(srslog::basic_logger& logger,
ue.h_dl->prbs(),
ue.h_dl->nof_retx(),
pdcch.dci.dai,
ue.h_dl->tbs(),
ue.h_dl->tbs() / 8u,
ue.dl_pending_bytes,
ue.pdsch_slot,
ue.uci_slot);
@ -193,7 +193,7 @@ void log_sched_bwp_result(srslog::basic_logger& logger,
pdcch.dci.ctx.coreset_id,
srsran_dci_format_nr_string(pdcch.dci.ctx.format),
ue.h_ul->nof_retx(),
ue.h_ul->tbs(),
ue.h_ul->tbs() / 8u,
ue.ul_pending_bytes,
ue.pusch_slot);
} else if (pdcch.dci.ctx.rnti_type == srsran_rnti_type_tc) {