|
|
|
|
@ -41,8 +41,9 @@ mac::mac() : ttisync(10240), timers_db((uint32_t) NOF_MAC_TIMERS)
|
|
|
|
|
{
|
|
|
|
|
started = false;
|
|
|
|
|
pcap = NULL;
|
|
|
|
|
si_window_start = -1;
|
|
|
|
|
si_search_in_progress = false;
|
|
|
|
|
si_window_length = -1;
|
|
|
|
|
si_window_start = -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool mac::init(phy_interface *phy, rlc_interface_mac *rlc, log *log_h_)
|
|
|
|
|
@ -62,10 +63,11 @@ bool mac::init(phy_interface *phy, rlc_interface_mac *rlc, log *log_h_)
|
|
|
|
|
ra_procedure.init (phy_h, log_h, ¶ms_db, &timers_db, &mux_unit, &demux_unit);
|
|
|
|
|
sr_procedure.init (phy_h, log_h, ¶ms_db);
|
|
|
|
|
ul_harq.init ( log_h, ¶ms_db, &timers_db, &mux_unit);
|
|
|
|
|
dl_harq.init ( log_h, &timers_db, &demux_unit);
|
|
|
|
|
dl_harq.init ( log_h, ¶ms_db, &timers_db, &demux_unit);
|
|
|
|
|
|
|
|
|
|
reset();
|
|
|
|
|
|
|
|
|
|
started = true;
|
|
|
|
|
start(MAC_THREAD_PRIO);
|
|
|
|
|
|
|
|
|
|
return started;
|
|
|
|
|
@ -126,7 +128,7 @@ void mac::run_thread() {
|
|
|
|
|
while(!phy_h->get_current_tti()) {
|
|
|
|
|
usleep(50000);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
Debug("Setting ttysync to %d\n", phy_h->get_current_tti());
|
|
|
|
|
ttisync.set_producer_cntr(phy_h->get_current_tti());
|
|
|
|
|
|
|
|
|
|
while(started) {
|
|
|
|
|
@ -136,6 +138,8 @@ void mac::run_thread() {
|
|
|
|
|
|
|
|
|
|
log_h->step(tti);
|
|
|
|
|
|
|
|
|
|
search_si_rnti();
|
|
|
|
|
|
|
|
|
|
// Step all procedures
|
|
|
|
|
bsr_procedure.step(tti);
|
|
|
|
|
|
|
|
|
|
@ -157,37 +161,48 @@ void mac::run_thread() {
|
|
|
|
|
//ra_procedure.start_mac_order();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Check if there is pending CCCH SDU in Mux unit
|
|
|
|
|
if (mux_unit.is_pending_ccch_sdu()) {
|
|
|
|
|
if (!ra_procedure.in_progress() && !ra_procedure.is_successful()) {
|
|
|
|
|
ra_procedure.start_rlc_order();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ra_procedure.step(tti);
|
|
|
|
|
//phr_procedure.step(tti);
|
|
|
|
|
|
|
|
|
|
timers_db.step_all();
|
|
|
|
|
|
|
|
|
|
search_si_rnti();
|
|
|
|
|
|
|
|
|
|
demux_unit.process_pdus();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void mac::search_si_rnti()
|
|
|
|
|
{
|
|
|
|
|
// Reset PDCCH search
|
|
|
|
|
if (si_window_length >= 0 && si_window_start >= 0) {
|
|
|
|
|
if (tti >= si_window_start + si_window_length) {
|
|
|
|
|
phy_h->pdcch_dl_search_reset();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Setup PDCCH search
|
|
|
|
|
int _si_window_start = params_db.get_param(mac_interface_params::BCCH_SI_WINDOW_ST);
|
|
|
|
|
int _si_window_length = params_db.get_param(mac_interface_params::BCCH_SI_WINDOW_LEN);
|
|
|
|
|
|
|
|
|
|
if (_si_window_length > 0 && _si_window_start >= 0) {
|
|
|
|
|
if ((tti >= si_window_start + si_window_length) && si_search_in_progress) {
|
|
|
|
|
si_search_in_progress = false;
|
|
|
|
|
phy_h->pdcch_dl_search_reset();
|
|
|
|
|
Debug("SI search window expired (%d >= %d+%d)\n", tti, si_window_start, si_window_length);
|
|
|
|
|
params_db.set_param(mac_interface_params::BCCH_SI_WINDOW_ST, -1);
|
|
|
|
|
params_db.set_param(mac_interface_params::BCCH_SI_WINDOW_LEN, -1);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (_si_window_length > 0 && _si_window_start >= 0 && !si_search_in_progress) {
|
|
|
|
|
si_window_length = _si_window_length;
|
|
|
|
|
si_window_start = _si_window_start;
|
|
|
|
|
Debug("Searching for DL grant for SI-RNTI window_st=%d, window_len=%d\n", si_window_start, si_window_length);
|
|
|
|
|
phy_h->pdcch_dl_search(SRSLTE_RNTI_SI, 0xffff, si_window_start, si_window_length);
|
|
|
|
|
params_db.set_param(mac_interface_params::BCCH_SI_WINDOW_ST, -1);
|
|
|
|
|
params_db.set_param(mac_interface_params::BCCH_SI_WINDOW_LEN, -1);
|
|
|
|
|
phy_h->pdcch_dl_search(SRSLTE_RNTI_SI, 0xffff, si_window_start, si_window_start+si_window_length);
|
|
|
|
|
si_search_in_progress = true;
|
|
|
|
|
}
|
|
|
|
|
if ((_si_window_length < 0 || _si_window_start < 0) && si_search_in_progress) {
|
|
|
|
|
phy_h->pdcch_dl_search_reset();
|
|
|
|
|
si_search_in_progress = false;
|
|
|
|
|
Debug("SI search interrupted by higher layers\n");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -216,6 +231,12 @@ void mac::new_grant_dl(mac_interface_phy::mac_grant_t grant, mac_interface_phy::
|
|
|
|
|
if (grant.rnti_type == SRSLTE_RNTI_RAR) {
|
|
|
|
|
ra_procedure.new_grant_dl(grant, action);
|
|
|
|
|
} else {
|
|
|
|
|
// If PDCCH for C-RNTI and RA procedure in Contention Resolution, notify it
|
|
|
|
|
if (grant.rnti_type == SRSLTE_RNTI_USER) {
|
|
|
|
|
if (ra_procedure.is_contention_resolution()) {
|
|
|
|
|
ra_procedure.pdcch_to_crnti(false);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
dl_harq.new_grant_dl(grant, action);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
@ -228,6 +249,11 @@ uint32_t mac::get_current_tti()
|
|
|
|
|
void mac::new_grant_ul(mac_interface_phy::mac_grant_t grant, uint8_t* payload_ptr,
|
|
|
|
|
mac_interface_phy::tb_action_ul_t* action)
|
|
|
|
|
{
|
|
|
|
|
if (grant.rnti_type == SRSLTE_RNTI_USER) {
|
|
|
|
|
if (ra_procedure.is_contention_resolution()) {
|
|
|
|
|
ra_procedure.pdcch_to_crnti(true);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
ul_harq.new_grant_ul(grant, payload_ptr, action);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -237,12 +263,14 @@ void mac::new_grant_ul_ack(mac_interface_phy::mac_grant_t grant, uint8_t* payloa
|
|
|
|
|
ul_harq.new_grant_ul_ack(grant, payload_ptr, ack, action);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void mac::tb_decoded_ok(uint32_t harq_pid)
|
|
|
|
|
void mac::tb_decoded(bool ack, srslte_rnti_type_t rnti_type, uint32_t harq_pid)
|
|
|
|
|
{
|
|
|
|
|
if (ra_procedure.in_progress()) {
|
|
|
|
|
if (rnti_type == SRSLTE_RNTI_RAR) {
|
|
|
|
|
if (ack) {
|
|
|
|
|
ra_procedure.tb_decoded_ok();
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
dl_harq.tb_decoded_ok(harq_pid);
|
|
|
|
|
dl_harq.tb_decoded(ack, rnti_type, harq_pid);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
ismagom
10 years ago