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RLC UM release timer at stop()

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master
Ismael Gomez 7 years ago
parent 3c845b3653
commit 5359c42b46
18 changed files with 117 additions and 65 deletions
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3
lib/include/srslte/common/interfaces_common.h
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@ -71,7 +71,8 @@ public:
/* Timer services with ms resolution.
* timer_id must be lower than MAC_NOF_UPPER_TIMERS
*/
virtual timers::timer* get(uint32_t timer_id) = 0;
virtual timers::timer* get(uint32_t timer_id) = 0;
virtual void free(uint32_t timer_id) = 0;
virtual uint32_t get_unique_id() = 0;
};

2
lib/include/srslte/common/timers.h
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@ -145,7 +145,7 @@ public:
}
uint32_t get_unique_id() {
if (nof_used_timers >= nof_timers) {
fprintf(stderr, "Error getting uinque timer id: no more timers available\n");
fprintf(stderr, "Error getting unique timer id: no more timers available\n");
return 0;
} else {
while(used_timers[next_timer]) {

1
lib/include/srslte/upper/rlc_am.h
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@ -78,6 +78,7 @@ public:
mac_interface_timers *mac_timers);
void configure(srslte_rlc_config_t cnfg);
void reset();
void stop();
void empty_queue();
rlc_mode_t get_mode();

1
lib/include/srslte/upper/rlc_common.h
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@ -158,6 +158,7 @@ public:
srslte::mac_interface_timers *mac_timers_) = 0;
virtual void configure(srslte_rlc_config_t cnfg) = 0;
virtual void reset() = 0;
virtual void stop() = 0;
virtual void empty_queue() = 0;
virtual rlc_mode_t get_mode() = 0;

1
lib/include/srslte/upper/rlc_entity.h
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@ -56,6 +56,7 @@ public:
void configure(srslte_rlc_config_t cnfg);
void reset();
void stop();
void empty_queue();
bool active();

1
lib/include/srslte/upper/rlc_tm.h
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@ -48,6 +48,7 @@ public:
mac_interface_timers *mac_timers);
void configure(srslte_rlc_config_t cnfg);
void reset();
void stop();
void empty_queue();
rlc_mode_t get_mode();

1
lib/include/srslte/upper/rlc_um.h
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@ -58,6 +58,7 @@ public:
mac_interface_timers *mac_timers_);
void configure(srslte_rlc_config_t cnfg);
void reset();
void stop();
void empty_queue();
rlc_mode_t get_mode();

5
lib/src/upper/rlc.cc
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@ -65,7 +65,10 @@ void rlc::reset_metrics()
void rlc::stop()
{
reset();
for(uint32_t i=0; i<SRSLTE_N_RADIO_BEARERS; i++) {
if(rlc_array[i].active())
rlc_array[i].stop();
}
}
void rlc::get_metrics(rlc_metrics_t &m)

6
lib/src/upper/rlc_am.cc
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@ -93,6 +93,12 @@ void rlc_am::empty_queue() {
}
}
void rlc_am::stop()
{
reset();
pthread_mutex_destroy(&mutex);
}
void rlc_am::reset()
{
// Empty tx_sdu_queue before locking the mutex

5
lib/src/upper/rlc_entity.cc
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@ -76,6 +76,11 @@ void rlc_entity::reset()
rlc = NULL;
}
void rlc_entity::stop()
{
rlc->stop();
rlc = NULL;
}
void rlc_entity::empty_queue()
{

5
lib/src/upper/rlc_tm.cc
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@ -66,6 +66,11 @@ void rlc_tm::reset()
empty_queue();
}
void rlc_tm::stop()
{
reset();
}
rlc_mode_t rlc_tm::get_mode()
{
return RLC_MODE_TM;

6
lib/src/upper/rlc_um.cc
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@ -102,6 +102,12 @@ void rlc_um::empty_queue() {
}
}
void rlc_um::stop()
{
reset();
mac_timers->free(reordering_timeout_id);
}
void rlc_um::reset()
{

1
lib/test/upper/rlc_am_test.cc
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@ -43,6 +43,7 @@ public:
return &t;
}
uint32_t get_unique_id(){return 0;}
void free(uint32_t id){}
private:
srslte::timers::timer t;

2
lib/test/upper/rlc_um_test.cc
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@ -47,7 +47,7 @@ public:
{
t.step();
}
void free(uint32_t timer_id) {}
private:
srslte::timers::timer t;
};

25
srsenb/hdr/mac/mac.h
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@ -106,24 +106,14 @@ public:
void timer_expired(uint32_t timer_id);
srslte::timers::timer* get(uint32_t timer_id);
void free(uint32_t timer_id);
u_int32_t get_unique_id();
const static int NOF_MAC_TIMERS = 20;
uint32_t get_current_tti();
void get_metrics(mac_metrics_t metrics[ENB_METRICS_MAX_USERS]);
enum {
HARQ_RTT,
TIME_ALIGNMENT,
CONTENTION_TIMER,
BSR_TIMER_PERIODIC,
BSR_TIMER_RETX,
PHR_TIMER_PERIODIC,
PHR_TIMER_PROHIBIT,
NOF_MAC_TIMERS
} mac_timers_t;
static const int MAC_NOF_UPPER_TIMERS = 20;
private:
void log_step_ul(uint32_t tti);
@ -194,12 +184,13 @@ private:
/* Class to run upper-layer timers with normal priority */
class upper_timers : public thread {
public:
upper_timers() : timers_db(MAC_NOF_UPPER_TIMERS),ttisync(10240) {start();}
upper_timers() : timers_db(NOF_MAC_TIMERS),ttisync(10240) {start();}
void tti_clock();
void stop();
void reset();
srslte::timers::timer* get(uint32_t timer_id);
uint32_t get_unique_id();
void free(uint32_t timer_id);
uint32_t get_unique_id();
private:
void run_thread();
srslte::timers timers_db;

18
srsenb/src/mac/mac.cc
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@ -124,6 +124,11 @@ uint32_t mac::get_unique_id()
return upper_timers_thread.get_unique_id();
}
void mac::free(uint32_t timer_id)
{
upper_timers_thread.free(timer_id);
}
/* Front-end to upper-layer timers */
srslte::timers::timer* mac::get(uint32_t timer_id)
{
@ -658,9 +663,20 @@ void mac::upper_timers::run_thread()
timers_db.step_all();
}
}
void mac::upper_timers::free(uint32_t timer_id)
{
timers_db.release_id(timer_id);
}
srslte::timers::timer* mac::upper_timers::get(uint32_t timer_id)
{
return timers_db.get(timer_id%MAC_NOF_UPPER_TIMERS);
if (timer_id < NOF_MAC_TIMERS) {
return timers_db.get(timer_id);
} else {
fprintf(stderr, "Error requested invalid timer id=%d\n", timer_id);
return NULL;
}
}
uint32_t mac::upper_timers::get_unique_id()

14
srsue/hdr/mac/mac.h
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@ -93,14 +93,15 @@ public:
void timer_expired(uint32_t timer_id);
void start_pcap(srslte::mac_pcap* pcap);
srslte::timers::timer* get(uint32_t timer_id);
void free(uint32_t timer_id);
u_int32_t get_unique_id();
uint32_t get_current_tti();
static const int MAC_NOF_UPPER_TIMERS = 20;
static const int MAC_NOF_UPPER_TIMERS = 20;
private:
void run_thread();
@ -161,16 +162,17 @@ private:
/* Class to run upper-layer timers with normal priority */
class upper_timers : public periodic_thread {
public:
public:
upper_timers();
void reset();
void free(uint32_t timer_id);
srslte::timers::timer* get(uint32_t timer_id);
uint32_t get_unique_id();
private:
void run_period();
srslte::timers timers_db;
};
upper_timers upper_timers_thread;
upper_timers upper_timers_thread;

85
srsue/src/mac/mac.cc
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@ -97,7 +97,7 @@ void mac::stop()
void mac::start_pcap(srslte::mac_pcap* pcap_)
{
pcap = pcap_;
pcap = pcap_;
dl_harq.start_pcap(pcap);
ul_harq.start_pcap(pcap);
ra_procedure.start_pcap(pcap);
@ -113,28 +113,28 @@ void mac::reconfiguration()
void mac::reset()
{
bzero(&metrics, sizeof(mac_metrics_t));
Info("Resetting MAC\n");
timers_db.stop_all();
upper_timers_thread.reset();
ul_harq.reset_ndi();
mux_unit.msg3_flush();
mux_unit.reset();
ra_procedure.reset();
ra_procedure.reset();
sr_procedure.reset();
bsr_procedure.reset();
phr_procedure.reset();
dl_harq.reset();
phy_h->pdcch_dl_search_reset();
phy_h->pdcch_ul_search_reset();
is_first_ul_grant = true;
bzero(&uernti, sizeof(ue_rnti_t));
}
@ -158,13 +158,13 @@ void mac::run_thread() {
log_h->step(tti);
timers_db.step_all();
// Step all procedures
// Step all procedures
bsr_procedure.step(tti);
phr_procedure.step(tti);
// Check if BSR procedure need to start SR
// Check if BSR procedure need to start SR
if (bsr_procedure.need_to_send_sr(tti)) {
Debug("Starting SR procedure by BSR request, PHY TTI=%d\n", tti);
sr_procedure.start();
@ -175,13 +175,13 @@ void mac::run_thread() {
}
sr_procedure.step(tti);
// Check SR if we need to start RA
// Check SR if we need to start RA
if (sr_procedure.need_random_access()) {
ra_procedure.start_mac_order();
}
ra_procedure.step(tti);
}
}
}
}
void mac::bcch_start_rx()
@ -197,7 +197,7 @@ void mac::bcch_start_rx(int si_window_start, int si_window_length)
} else {
phy_h->pdcch_dl_search(SRSLTE_RNTI_SI, SRSLTE_SIRNTI, si_window_start);
}
Info("SCHED: Searching for DL grant for SI-RNTI window_st=%d, window_len=%d\n", si_window_start, si_window_length);
Info("SCHED: Searching for DL grant for SI-RNTI window_st=%d, window_len=%d\n", si_window_start, si_window_length);
}
void mac::bcch_stop_rx()
@ -208,7 +208,7 @@ void mac::bcch_stop_rx()
void mac::pcch_start_rx()
{
phy_h->pdcch_dl_search(SRSLTE_RNTI_PCH, SRSLTE_PRNTI);
Info("SCHED: Searching for DL grant for P-RNTI\n");
Info("SCHED: Searching for DL grant for P-RNTI\n");
}
void mac::pcch_stop_rx()
@ -224,9 +224,9 @@ void mac::tti_clock(uint32_t tti)
void mac::bch_decoded_ok(uint8_t* payload, uint32_t len)
{
// Send MIB to RLC
// Send MIB to RLC
rlc_h->write_pdu_bcch_bch(payload, len);
if (pcap) {
pcap->write_dl_bch(payload, len, true, phy_h->get_current_tti());
}
@ -234,9 +234,9 @@ void mac::bch_decoded_ok(uint8_t* payload, uint32_t len)
void mac::pch_decoded_ok(uint32_t len)
{
// Send PCH payload to RLC
// Send PCH payload to RLC
rlc_h->write_pdu_pcch(pch_payload_buffer, len);
if (pcap) {
pcap->write_dl_pch(pch_payload_buffer, len, true, phy_h->get_current_tti());
}
@ -267,7 +267,7 @@ void mac::new_grant_dl(mac_interface_phy::mac_grant_t grant, mac_interface_phy::
} else if (grant.rnti_type == SRSLTE_RNTI_PCH) {
memcpy(&action->phy_grant, &grant.phy_grant, sizeof(srslte_phy_grant_t));
action->generate_ack = false;
action->generate_ack = false;
action->decode_enabled[0] = true;
srslte_softbuffer_rx_reset_cb(&pch_softbuffer, 1);
action->payload_ptr[0] = pch_payload_buffer;
@ -281,7 +281,7 @@ void mac::new_grant_dl(mac_interface_phy::mac_grant_t grant, mac_interface_phy::
} else {
// If PDCCH for C-RNTI and RA procedure in Contention Resolution, notify it
if (grant.rnti_type == SRSLTE_RNTI_USER && ra_procedure.is_contention_resolution()) {
ra_procedure.pdcch_to_crnti(false);
ra_procedure.pdcch_to_crnti(false);
}
dl_harq.new_grant_dl(grant, action);
}
@ -296,11 +296,11 @@ void mac::new_grant_ul(mac_interface_phy::mac_grant_t grant, mac_interface_phy::
{
/* Start PHR Periodic timer on first UL grant */
if (is_first_ul_grant) {
is_first_ul_grant = false;
is_first_ul_grant = false;
timers_db.get(PHR_TIMER_PERIODIC)->run();
}
if (grant.rnti_type == SRSLTE_RNTI_USER && ra_procedure.is_contention_resolution()) {
ra_procedure.pdcch_to_crnti(true);
ra_procedure.pdcch_to_crnti(true);
}
ul_harq.new_grant_ul(grant, action);
metrics.tx_pkts++;
@ -353,13 +353,13 @@ void mac::timer_expired(uint32_t timer_id)
case TIME_ALIGNMENT:
timeAlignmentTimerExpire();
break;
default:
default:
break;
}
}
/* Function called on expiry of TimeAlignmentTimer */
void mac::timeAlignmentTimerExpire()
void mac::timeAlignmentTimerExpire()
{
printf("timeAlignmentTimer has expired value=%d ms\n", timers_db.get(TIME_ALIGNMENT)->get_timeout());
rrc_h->release_pucch_srs();
@ -374,7 +374,7 @@ void mac::get_rntis(ue_rnti_t* rntis)
void mac::set_contention_id(uint64_t uecri)
{
uernti.contention_id = uecri;
uernti.contention_id = uecri;
}
void mac::get_config(mac_cfg_t* mac_cfg)
@ -407,7 +407,7 @@ void mac::set_config_sr(LIBLTE_RRC_SCHEDULING_REQUEST_CONFIG_STRUCT* sr_cfg)
void mac::setup_lcid(uint32_t lcid, uint32_t lcg, uint32_t priority, int PBR_x_tti, uint32_t BSD)
{
Info("Logical Channel Setup: LCID=%d, LCG=%d, priority=%d, PBR=%d, BSd=%d\n",
Info("Logical Channel Setup: LCID=%d, LCG=%d, priority=%d, PBR=%d, BSd=%d\n",
lcid, lcg, priority, PBR_x_tti, BSD);
mux_unit.set_priority(lcid, priority, PBR_x_tti, BSD);
bsr_procedure.setup_lcg(lcid, lcg);
@ -425,8 +425,13 @@ srslte::timers::timer* mac::get(uint32_t timer_id)
return upper_timers_thread.get(timer_id);
}
void mac::free(uint32_t timer_id)
{
upper_timers_thread.free(timer_id);
}
void mac::get_metrics(mac_metrics_t &m)
void mac::get_metrics(mac_metrics_t &m)
{
Info("DL retx: %.2f \%%, perpkt: %.2f, UL retx: %.2f \%% perpkt: %.2f\n",
metrics.rx_pkts?((float) 100*metrics.rx_errors/metrics.rx_pkts):0.0,
@ -442,20 +447,20 @@ void mac::get_metrics(mac_metrics_t &m)
/********************************************************
*
* Class to run upper-layer timers with normal priority
* Class to run upper-layer timers with normal priority
*
*******************************************************/
mac::upper_timers::upper_timers() : timers_db(MAC_NOF_UPPER_TIMERS)
mac::upper_timers::upper_timers() : timers_db(MAC_NOF_UPPER_TIMERS)
{
start_periodic(1000, MAC_MAIN_THREAD_PRIO+1);
start_periodic(1000, MAC_MAIN_THREAD_PRIO+1);
}
void mac::upper_timers::run_period()
{
timers_db.step_all();
}
srslte::timers::timer* mac::upper_timers::get(uint32_t timer_id)
{
return timers_db.get(timer_id%MAC_NOF_UPPER_TIMERS);
@ -472,9 +477,15 @@ void mac::upper_timers::reset()
}
void mac::upper_timers::free(uint32_t timer_id)
{
timers_db.release_id(timer_id);
}
/********************************************************
/********************************************************
*
* Class that runs a thread to process DL MAC PDUs from
* DEMUX unit

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