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@ -25,6 +25,7 @@
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*/
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*/
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#include <srslte/asn1/liblte_rrc.h>
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#include "srslte/upper/rlc.h"
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#include "srslte/upper/rlc.h"
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#include "srslte/upper/rlc_tm.h"
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#include "srslte/upper/rlc_tm.h"
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#include "srslte/upper/rlc_um.h"
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#include "srslte/upper/rlc_um.h"
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@ -42,8 +43,25 @@ rlc::rlc()
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ue = NULL;
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ue = NULL;
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default_lcid = 0;
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default_lcid = 0;
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bzero(metrics_time, sizeof(metrics_time));
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bzero(metrics_time, sizeof(metrics_time));
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bzero(ul_tput_bytes, sizeof(ul_tput_bytes));
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pthread_rwlock_init(&rwlock, NULL);
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bzero(dl_tput_bytes, sizeof(dl_tput_bytes));
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}
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rlc::~rlc()
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{
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// destroy all remaining entities
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pthread_rwlock_wrlock(&rwlock);
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for (rlc_map_t::iterator it = rlc_array.begin(); it != rlc_array.end(); ++it) {
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delete(it->second);
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}
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rlc_array.clear();
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for (rlc_map_t::iterator it = rlc_array_mrb.begin(); it != rlc_array_mrb.end(); ++it) {
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delete(it->second);
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}
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rlc_array_mrb.clear();
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pthread_rwlock_unlock(&rwlock);
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pthread_rwlock_destroy(&rwlock);
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}
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}
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void rlc::init(srsue::pdcp_interface_rlc *pdcp_,
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void rlc::init(srsue::pdcp_interface_rlc *pdcp_,
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@ -63,109 +81,159 @@ void rlc::init(srsue::pdcp_interface_rlc *pdcp_,
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buffer_size = buffer_size_;
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buffer_size = buffer_size_;
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gettimeofday(&metrics_time[1], NULL);
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gettimeofday(&metrics_time[1], NULL);
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reset_metrics();
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reset_metrics();
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rlc_array[0].init(RLC_MODE_TM, rlc_log, default_lcid, pdcp, rrc, mac_timers, buffer_size); // SRB0
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// create default RLC_TM bearer for SRB0
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add_bearer(default_lcid, srslte_rlc_config_t());
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}
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}
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void rlc::reset_metrics()
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void rlc::reset_metrics()
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{
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{
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bzero(dl_tput_bytes, sizeof(long)*SRSLTE_N_RADIO_BEARERS);
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for (rlc_map_t::iterator it = rlc_array.begin(); it != rlc_array.end(); ++it) {
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bzero(ul_tput_bytes, sizeof(long)*SRSLTE_N_RADIO_BEARERS);
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it->second->reset_metrics();
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}
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for (rlc_map_t::iterator it = rlc_array_mrb.begin(); it != rlc_array_mrb.end(); ++it) {
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it->second->reset_metrics();
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}
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}
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}
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void rlc::stop()
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void rlc::stop()
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{
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{
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for(uint32_t i=0; i<SRSLTE_N_RADIO_BEARERS; i++) {
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pthread_rwlock_rdlock(&rwlock);
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if(rlc_array[i].active()) {
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for (rlc_map_t::iterator it = rlc_array.begin(); it != rlc_array.end(); ++it) {
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rlc_array[i].stop();
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it->second->stop();
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}
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}
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}
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for (rlc_map_t::iterator it = rlc_array_mrb.begin(); it != rlc_array_mrb.end(); ++it) {
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it->second->stop();
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}
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pthread_rwlock_unlock(&rwlock);
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}
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}
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void rlc::get_metrics(rlc_metrics_t &m)
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void rlc::get_metrics(rlc_metrics_t &m)
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{
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{
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pthread_rwlock_rdlock(&rwlock);
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gettimeofday(&metrics_time[2], NULL);
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gettimeofday(&metrics_time[2], NULL);
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get_time_interval(metrics_time);
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get_time_interval(metrics_time);
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double secs = (double)metrics_time[0].tv_sec + metrics_time[0].tv_usec*1e-6;
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double secs = (double)metrics_time[0].tv_sec + metrics_time[0].tv_usec*1e-6;
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m.dl_tput_mbps = 0;
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m.dl_tput_mbps = 0;
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m.ul_tput_mbps = 0;
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m.ul_tput_mbps = 0;
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for (int i=0;i<SRSLTE_N_RADIO_BEARERS;i++) {
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m.dl_tput_mbps += (dl_tput_bytes[i]*8/(double)1e6)/secs;
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for (rlc_map_t::iterator it = rlc_array.begin(); it != rlc_array.end(); ++it) {
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m.ul_tput_mbps += (ul_tput_bytes[i]*8/(double)1e6)/secs;
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m.dl_tput_mbps += (it->second->get_num_rx_bytes()*8/(double)1e6)/secs;
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if(rlc_array[i].active()) {
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m.ul_tput_mbps += (it->second->get_num_tx_bytes()*8/(double)1e6)/secs;
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rlc_log->info("LCID=%d, RX throughput: %4.6f Mbps. TX throughput: %4.6f Mbps.\n",
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rlc_log->info("LCID=%d, RX throughput: %4.6f Mbps. TX throughput: %4.6f Mbps.\n",
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i,
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it->first,
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(dl_tput_bytes[i]*8/(double)1e6)/secs,
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(it->second->get_num_rx_bytes()*8/(double)1e6)/secs,
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(ul_tput_bytes[i]*8/(double)1e6)/secs);
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(it->second->get_num_tx_bytes()*8/(double)1e6)/secs);
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}
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}
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}
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// Add multicast metrics
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// Add multicast metrics
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for (int i=0;i<SRSLTE_N_MCH_LCIDS;i++) {
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for (rlc_map_t::iterator it = rlc_array_mrb.begin(); it != rlc_array_mrb.end(); ++it) {
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m.dl_tput_mbps += (dl_tput_bytes_mrb[i]*8/(double)1e6)/secs;
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m.dl_tput_mbps += (it->second->get_num_rx_bytes()*8/(double)1e6)/secs;
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if(rlc_array_mrb[i].is_mrb()) {
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rlc_log->info("MCH_LCID=%d, RX throughput: %4.6f Mbps\n",
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rlc_log->info("MCH_LCID=%d, RX throughput: %4.6f Mbps.\n",
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it->first,
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i,
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(it->second->get_num_rx_bytes()*8/(double)1e6)/secs);
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(dl_tput_bytes_mrb[i]*8/(double)1e6)/secs);
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}
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}
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}
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memcpy(&metrics_time[1], &metrics_time[2], sizeof(struct timeval));
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memcpy(&metrics_time[1], &metrics_time[2], sizeof(struct timeval));
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reset_metrics();
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reset_metrics();
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pthread_rwlock_unlock(&rwlock);
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}
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}
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// A call to reestablish stops all lcids but does not delete the instances. The mapping lcid to rlc mode can not change
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// A call to reestablish stops all lcids but does not delete the instances. The mapping lcid to rlc mode can not change
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void rlc::reestablish() {
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void rlc::reestablish()
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for(uint32_t i=0; i<SRSLTE_N_RADIO_BEARERS; i++) {
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{
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if(rlc_array[i].active()) {
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pthread_rwlock_rdlock(&rwlock);
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rlc_array[i].reestablish();
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}
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for (rlc_map_t::iterator it = rlc_array.begin(); it != rlc_array.end(); ++it) {
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it->second->reestablish();
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}
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for (rlc_map_t::iterator it = rlc_array_mrb.begin(); it != rlc_array_mrb.end(); ++it) {
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it->second->reestablish();
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}
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}
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pthread_rwlock_unlock(&rwlock);
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}
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}
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// Resetting the RLC layer returns the object to the state after the call to init(): All lcids are stopped and
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// Resetting the RLC layer returns the object to the state after the call to init():
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// defaul lcid=0 is created
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// All LCIDs are removed, except SRB0
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void rlc::reset()
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void rlc::reset()
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{
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{
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stop();
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pthread_rwlock_wrlock(&rwlock);
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rlc_array[0].init(RLC_MODE_TM, rlc_log, default_lcid, pdcp, rrc, mac_timers, buffer_size); // SRB0
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for (rlc_map_t::iterator it = rlc_array.begin(); it != rlc_array.end(); ++it) {
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it->second->stop();
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delete(it->second);
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}
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rlc_array.clear();
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for (rlc_map_t::iterator it = rlc_array_mrb.begin(); it != rlc_array_mrb.end(); ++it) {
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it->second->stop();
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delete(it->second);
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}
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rlc_array_mrb.clear();
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pthread_rwlock_unlock(&rwlock);
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// Add SRB0 again
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add_bearer(default_lcid, srslte_rlc_config_t());
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}
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}
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void rlc::empty_queue()
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void rlc::empty_queue()
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{
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{
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for(uint32_t i=0; i<SRSLTE_N_RADIO_BEARERS; i++) {
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// Empty Tx queue, not needed for MCH bearers
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if(rlc_array[i].active())
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pthread_rwlock_rdlock(&rwlock);
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rlc_array[i].empty_queue();
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for (rlc_map_t::iterator it = rlc_array.begin(); it != rlc_array.end(); ++it) {
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it->second->empty_queue();
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}
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}
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pthread_rwlock_unlock(&rwlock);
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}
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}
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/*******************************************************************************
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/*******************************************************************************
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PDCP interface
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PDCP interface
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*******************************************************************************/
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*******************************************************************************/
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void rlc::write_sdu(uint32_t lcid, byte_buffer_t *sdu)
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void rlc::write_sdu(uint32_t lcid, byte_buffer_t *sdu, bool blocking)
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{
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{
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if(valid_lcid(lcid)) {
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pthread_rwlock_rdlock(&rwlock);
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rlc_array[lcid].write_sdu(sdu);
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if (valid_lcid(lcid)) {
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rlc_array.at(lcid)->write_sdu(sdu, blocking);
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} else {
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rlc_log->warning("RLC LCID %d doesn't exist. Deallocating SDU\n", lcid);
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byte_buffer_pool::get_instance()->deallocate(sdu);
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}
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}
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pthread_rwlock_unlock(&rwlock);
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}
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}
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void rlc::write_sdu_nb(uint32_t lcid, byte_buffer_t *sdu)
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void rlc::write_sdu_mch(uint32_t lcid, byte_buffer_t *sdu)
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{
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{
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if(valid_lcid(lcid)) {
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pthread_rwlock_rdlock(&rwlock);
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rlc_array[lcid].write_sdu_nb(sdu);
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if (valid_lcid_mrb(lcid)) {
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rlc_array_mrb.at(lcid)->write_sdu(sdu, false); // write in non-blocking mode by default
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} else {
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rlc_log->warning("RLC LCID %d doesn't exist. Deallocating SDU\n", lcid);
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byte_buffer_pool::get_instance()->deallocate(sdu);
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}
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}
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pthread_rwlock_unlock(&rwlock);
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}
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}
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void rlc::write_sdu_mch(uint32_t lcid, byte_buffer_t *sdu)
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bool rlc::rb_is_um(uint32_t lcid)
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{
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{
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if(valid_lcid_mrb(lcid)) {
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bool ret = false;
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rlc_array_mrb[lcid].write_sdu(sdu);
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pthread_rwlock_rdlock(&rwlock);
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if (valid_lcid(lcid)) {
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ret = rlc_array.at(lcid)->get_mode() == RLC_MODE_UM;
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}
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}
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}
|
|
|
|
pthread_rwlock_unlock(&rwlock);
|
|
|
|
|
|
|
|
|
|
|
|
bool rlc::rb_is_um(uint32_t lcid) {
|
|
|
|
return ret;
|
|
|
|
return rlc_array[lcid].get_mode()==RLC_MODE_UM;
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************
|
|
|
|
/*******************************************************************************
|
|
|
|
@ -173,61 +241,82 @@ bool rlc::rb_is_um(uint32_t lcid) {
|
|
|
|
*******************************************************************************/
|
|
|
|
*******************************************************************************/
|
|
|
|
uint32_t rlc::get_buffer_state(uint32_t lcid)
|
|
|
|
uint32_t rlc::get_buffer_state(uint32_t lcid)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
if(valid_lcid(lcid)) {
|
|
|
|
uint32_t ret = 0;
|
|
|
|
return rlc_array[lcid].get_buffer_state();
|
|
|
|
|
|
|
|
} else {
|
|
|
|
pthread_rwlock_rdlock(&rwlock);
|
|
|
|
return 0;
|
|
|
|
if (valid_lcid(lcid)) {
|
|
|
|
|
|
|
|
ret = rlc_array.at(lcid)->get_buffer_state();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pthread_rwlock_unlock(&rwlock);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
uint32_t rlc::get_total_buffer_state(uint32_t lcid)
|
|
|
|
uint32_t rlc::get_total_buffer_state(uint32_t lcid)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
if(valid_lcid(lcid)) {
|
|
|
|
uint32_t ret = 0;
|
|
|
|
return rlc_array[lcid].get_total_buffer_state();
|
|
|
|
|
|
|
|
} else {
|
|
|
|
pthread_rwlock_rdlock(&rwlock);
|
|
|
|
return 0;
|
|
|
|
if (valid_lcid(lcid)) {
|
|
|
|
|
|
|
|
ret = rlc_array.at(lcid)->get_total_buffer_state();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pthread_rwlock_unlock(&rwlock);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
uint32_t rlc::get_total_mch_buffer_state(uint32_t lcid)
|
|
|
|
uint32_t rlc::get_total_mch_buffer_state(uint32_t lcid)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
if(valid_lcid_mrb(lcid)) {
|
|
|
|
uint32_t ret = 0;
|
|
|
|
return rlc_array_mrb[lcid].get_total_buffer_state();
|
|
|
|
|
|
|
|
} else {
|
|
|
|
pthread_rwlock_rdlock(&rwlock);
|
|
|
|
return 0;
|
|
|
|
if (valid_lcid(lcid)) {
|
|
|
|
|
|
|
|
ret = rlc_array_mrb.at(lcid)->get_total_buffer_state();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pthread_rwlock_unlock(&rwlock);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int rlc::read_pdu(uint32_t lcid, uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
int rlc::read_pdu(uint32_t lcid, uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
if(valid_lcid(lcid)) {
|
|
|
|
uint32_t ret = 0;
|
|
|
|
ul_tput_bytes[lcid] += nof_bytes;
|
|
|
|
|
|
|
|
return rlc_array[lcid].read_pdu(payload, nof_bytes);
|
|
|
|
pthread_rwlock_rdlock(&rwlock);
|
|
|
|
|
|
|
|
if (valid_lcid(lcid)) {
|
|
|
|
|
|
|
|
ret = rlc_array.at(lcid)->read_pdu(payload, nof_bytes);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
pthread_rwlock_unlock(&rwlock);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int rlc::read_pdu_mch(uint32_t lcid, uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
int rlc::read_pdu_mch(uint32_t lcid, uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
if(valid_lcid_mrb(lcid)) {
|
|
|
|
uint32_t ret = 0;
|
|
|
|
ul_tput_bytes[lcid] += nof_bytes;
|
|
|
|
|
|
|
|
return rlc_array_mrb[lcid].read_pdu(payload, nof_bytes);
|
|
|
|
pthread_rwlock_rdlock(&rwlock);
|
|
|
|
|
|
|
|
if (valid_lcid(lcid)) {
|
|
|
|
|
|
|
|
ret = rlc_array_mrb.at(lcid)->read_pdu(payload, nof_bytes);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
pthread_rwlock_unlock(&rwlock);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void rlc::write_pdu(uint32_t lcid, uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
void rlc::write_pdu(uint32_t lcid, uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
if(valid_lcid(lcid)) {
|
|
|
|
pthread_rwlock_rdlock(&rwlock);
|
|
|
|
dl_tput_bytes[lcid] += nof_bytes;
|
|
|
|
if (valid_lcid(lcid)) {
|
|
|
|
rlc_array[lcid].write_pdu(payload, nof_bytes);
|
|
|
|
rlc_array.at(lcid)->write_pdu(payload, nof_bytes);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pthread_rwlock_unlock(&rwlock);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Pass directly to PDCP, no DL througput counting done
|
|
|
|
void rlc::write_pdu_bcch_bch(uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
void rlc::write_pdu_bcch_bch(uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
rlc_log->info_hex(payload, nof_bytes, "BCCH BCH message received.");
|
|
|
|
rlc_log->info_hex(payload, nof_bytes, "BCCH BCH message received.");
|
|
|
|
dl_tput_bytes[0] += nof_bytes;
|
|
|
|
|
|
|
|
byte_buffer_t *buf = pool_allocate;
|
|
|
|
byte_buffer_t *buf = pool_allocate;
|
|
|
|
if (buf) {
|
|
|
|
if (buf) {
|
|
|
|
memcpy(buf->msg, payload, nof_bytes);
|
|
|
|
memcpy(buf->msg, payload, nof_bytes);
|
|
|
|
@ -239,10 +328,10 @@ void rlc::write_pdu_bcch_bch(uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Pass directly to PDCP, no DL througput counting done
|
|
|
|
void rlc::write_pdu_bcch_dlsch(uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
void rlc::write_pdu_bcch_dlsch(uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
rlc_log->info_hex(payload, nof_bytes, "BCCH TXSCH message received.");
|
|
|
|
rlc_log->info_hex(payload, nof_bytes, "BCCH TXSCH message received.");
|
|
|
|
dl_tput_bytes[0] += nof_bytes;
|
|
|
|
|
|
|
|
byte_buffer_t *buf = pool_allocate;
|
|
|
|
byte_buffer_t *buf = pool_allocate;
|
|
|
|
if (buf) {
|
|
|
|
if (buf) {
|
|
|
|
memcpy(buf->msg, payload, nof_bytes);
|
|
|
|
memcpy(buf->msg, payload, nof_bytes);
|
|
|
|
@ -254,10 +343,10 @@ void rlc::write_pdu_bcch_dlsch(uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Pass directly to PDCP, no DL througput counting done
|
|
|
|
void rlc::write_pdu_pcch(uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
void rlc::write_pdu_pcch(uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
rlc_log->info_hex(payload, nof_bytes, "PCCH message received.");
|
|
|
|
rlc_log->info_hex(payload, nof_bytes, "PCCH message received.");
|
|
|
|
dl_tput_bytes[0] += nof_bytes;
|
|
|
|
|
|
|
|
byte_buffer_t *buf = pool_allocate;
|
|
|
|
byte_buffer_t *buf = pool_allocate;
|
|
|
|
if (buf) {
|
|
|
|
if (buf) {
|
|
|
|
memcpy(buf->msg, payload, nof_bytes);
|
|
|
|
memcpy(buf->msg, payload, nof_bytes);
|
|
|
|
@ -271,117 +360,188 @@ void rlc::write_pdu_pcch(uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
|
|
|
|
|
|
|
|
void rlc::write_pdu_mch(uint32_t lcid, uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
void rlc::write_pdu_mch(uint32_t lcid, uint8_t *payload, uint32_t nof_bytes)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
if(valid_lcid_mrb(lcid)) {
|
|
|
|
pthread_rwlock_rdlock(&rwlock);
|
|
|
|
dl_tput_bytes_mrb[lcid] += nof_bytes;
|
|
|
|
if (valid_lcid_mrb(lcid)) {
|
|
|
|
rlc_array_mrb[lcid].write_pdu(payload, nof_bytes);
|
|
|
|
rlc_array_mrb.at(lcid)->write_pdu(payload, nof_bytes);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pthread_rwlock_unlock(&rwlock);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************
|
|
|
|
/*******************************************************************************
|
|
|
|
RRC interface
|
|
|
|
RRC interface
|
|
|
|
*******************************************************************************/
|
|
|
|
*******************************************************************************/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// FIXME: Remove function to forbid implicit configuration
|
|
|
|
void rlc::add_bearer(uint32_t lcid)
|
|
|
|
void rlc::add_bearer(uint32_t lcid)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
// No config provided - use defaults for SRB1 and SRB2
|
|
|
|
if (lcid > 2) {
|
|
|
|
if(lcid < 3) {
|
|
|
|
|
|
|
|
if (!rlc_array[lcid].active()) {
|
|
|
|
|
|
|
|
LIBLTE_RRC_RLC_CONFIG_STRUCT cnfg;
|
|
|
|
|
|
|
|
cnfg.rlc_mode = LIBLTE_RRC_RLC_MODE_AM;
|
|
|
|
|
|
|
|
cnfg.ul_am_rlc.t_poll_retx = LIBLTE_RRC_T_POLL_RETRANSMIT_MS45;
|
|
|
|
|
|
|
|
cnfg.ul_am_rlc.poll_pdu = LIBLTE_RRC_POLL_PDU_INFINITY;
|
|
|
|
|
|
|
|
cnfg.ul_am_rlc.poll_byte = LIBLTE_RRC_POLL_BYTE_INFINITY;
|
|
|
|
|
|
|
|
cnfg.ul_am_rlc.max_retx_thresh = LIBLTE_RRC_MAX_RETX_THRESHOLD_T4;
|
|
|
|
|
|
|
|
cnfg.dl_am_rlc.t_reordering = LIBLTE_RRC_T_REORDERING_MS35;
|
|
|
|
|
|
|
|
cnfg.dl_am_rlc.t_status_prohibit = LIBLTE_RRC_T_STATUS_PROHIBIT_MS0;
|
|
|
|
|
|
|
|
add_bearer(lcid, srslte_rlc_config_t(&cnfg));
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
rlc_log->warning("Bearer %s already configured. Reconfiguration not supported\n", rrc->get_rb_name(lcid).c_str());
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}else{
|
|
|
|
|
|
|
|
rlc_log->error("Radio bearer %s does not support default RLC configuration.\n", rrc->get_rb_name(lcid).c_str());
|
|
|
|
rlc_log->error("Radio bearer %s does not support default RLC configuration.\n", rrc->get_rb_name(lcid).c_str());
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// No config provided - use defaults for SRB0, SRB1, and SRB2
|
|
|
|
|
|
|
|
if (lcid == 0) {
|
|
|
|
|
|
|
|
// SRB0 is TM
|
|
|
|
|
|
|
|
add_bearer(lcid, srslte_rlc_config_t());
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
// SRB1 and SRB2 are AM
|
|
|
|
|
|
|
|
LIBLTE_RRC_RLC_CONFIG_STRUCT cnfg;
|
|
|
|
|
|
|
|
cnfg.rlc_mode = LIBLTE_RRC_RLC_MODE_AM;
|
|
|
|
|
|
|
|
cnfg.ul_am_rlc.t_poll_retx = LIBLTE_RRC_T_POLL_RETRANSMIT_MS45;
|
|
|
|
|
|
|
|
cnfg.ul_am_rlc.poll_pdu = LIBLTE_RRC_POLL_PDU_INFINITY;
|
|
|
|
|
|
|
|
cnfg.ul_am_rlc.poll_byte = LIBLTE_RRC_POLL_BYTE_INFINITY;
|
|
|
|
|
|
|
|
cnfg.ul_am_rlc.max_retx_thresh = LIBLTE_RRC_MAX_RETX_THRESHOLD_T4;
|
|
|
|
|
|
|
|
cnfg.dl_am_rlc.t_reordering = LIBLTE_RRC_T_REORDERING_MS35;
|
|
|
|
|
|
|
|
cnfg.dl_am_rlc.t_status_prohibit = LIBLTE_RRC_T_STATUS_PROHIBIT_MS0;
|
|
|
|
|
|
|
|
add_bearer(lcid, srslte_rlc_config_t(&cnfg));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void rlc::add_bearer(uint32_t lcid, srslte_rlc_config_t cnfg)
|
|
|
|
void rlc::add_bearer(uint32_t lcid, srslte_rlc_config_t cnfg)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
if(lcid >= SRSLTE_N_RADIO_BEARERS) {
|
|
|
|
pthread_rwlock_wrlock(&rwlock);
|
|
|
|
rlc_log->error("Radio bearer id must be in [0:%d] - %d\n", SRSLTE_N_RADIO_BEARERS, lcid);
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (!rlc_array[lcid].active()) {
|
|
|
|
rlc_common *rlc_entity = NULL;
|
|
|
|
rlc_log->warning("Adding radio bearer %s with mode %s\n",
|
|
|
|
|
|
|
|
rrc->get_rb_name(lcid).c_str(), liblte_rrc_rlc_mode_text[cnfg.rlc_mode]);
|
|
|
|
if (not valid_lcid(lcid)) {
|
|
|
|
switch(cnfg.rlc_mode)
|
|
|
|
switch(cnfg.rlc_mode)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
case LIBLTE_RRC_RLC_MODE_AM:
|
|
|
|
case RLC_MODE_TM:
|
|
|
|
rlc_array[lcid].init(RLC_MODE_AM, rlc_log, lcid, pdcp, rrc, mac_timers, buffer_size);
|
|
|
|
rlc_entity = new rlc_tm();
|
|
|
|
break;
|
|
|
|
break;
|
|
|
|
case LIBLTE_RRC_RLC_MODE_UM_BI:
|
|
|
|
case RLC_MODE_AM:
|
|
|
|
rlc_array[lcid].init(RLC_MODE_UM, rlc_log, lcid, pdcp, rrc, mac_timers, buffer_size);
|
|
|
|
rlc_entity = new rlc_am();
|
|
|
|
break;
|
|
|
|
break;
|
|
|
|
case LIBLTE_RRC_RLC_MODE_UM_UNI_DL:
|
|
|
|
case RLC_MODE_UM:
|
|
|
|
rlc_array[lcid].init(RLC_MODE_UM, rlc_log, lcid, pdcp, rrc, mac_timers, buffer_size);
|
|
|
|
rlc_entity = new rlc_um();
|
|
|
|
break;
|
|
|
|
break;
|
|
|
|
case LIBLTE_RRC_RLC_MODE_UM_UNI_UL:
|
|
|
|
default:
|
|
|
|
rlc_array[lcid].init(RLC_MODE_UM, rlc_log, lcid, pdcp, rrc, mac_timers, buffer_size);
|
|
|
|
rlc_log->error("Cannot add RLC entity - invalid mode\n");
|
|
|
|
break;
|
|
|
|
goto unlock_and_exit;
|
|
|
|
default:
|
|
|
|
|
|
|
|
rlc_log->error("Cannot add RLC entity - invalid mode\n");
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (rlc_entity) {
|
|
|
|
|
|
|
|
// configure and add to array
|
|
|
|
|
|
|
|
rlc_entity->init(rlc_log, lcid, pdcp, rrc, mac_timers);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (cnfg.rlc_mode != RLC_MODE_TM) {
|
|
|
|
|
|
|
|
if (rlc_entity->configure(cnfg) == false) {
|
|
|
|
|
|
|
|
rlc_log->error("Error configuring RLC entity\n.");
|
|
|
|
|
|
|
|
goto delete_and_exit;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (not rlc_array.insert(rlc_map_pair_t(lcid, rlc_entity)).second) {
|
|
|
|
|
|
|
|
rlc_log->error("Error inserting RLC entity in to array\n.");
|
|
|
|
|
|
|
|
goto delete_and_exit;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
rlc_log->error("Error instantiating RLC\n");
|
|
|
|
|
|
|
|
goto delete_and_exit;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
rlc_log->warning("Added radio bearer %s with mode %s\n", rrc->get_rb_name(lcid).c_str(), liblte_rrc_rlc_mode_text[cnfg.rlc_mode]);
|
|
|
|
|
|
|
|
goto unlock_and_exit;
|
|
|
|
} else {
|
|
|
|
} else {
|
|
|
|
rlc_log->warning("Bearer %s already created.\n", rrc->get_rb_name(lcid).c_str());
|
|
|
|
rlc_log->warning("Bearer %s already created.\n", rrc->get_rb_name(lcid).c_str());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
rlc_array[lcid].configure(cnfg);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
delete_and_exit:
|
|
|
|
|
|
|
|
if (rlc_entity) {
|
|
|
|
|
|
|
|
delete(rlc_entity);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
unlock_and_exit:
|
|
|
|
|
|
|
|
pthread_rwlock_unlock(&rwlock);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void rlc::add_bearer_mrb(uint32_t lcid)
|
|
|
|
void rlc::add_bearer_mrb(uint32_t lcid)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
// 36.321 Table 6.2.1-4
|
|
|
|
pthread_rwlock_wrlock(&rwlock);
|
|
|
|
if(lcid >= SRSLTE_N_MCH_LCIDS) {
|
|
|
|
rlc_common *rlc_entity = NULL;
|
|
|
|
rlc_log->error("Radio bearer id must be in [0:%d] - %d\n", SRSLTE_N_MCH_LCIDS, lcid);
|
|
|
|
|
|
|
|
return;
|
|
|
|
if (not valid_lcid_mrb(lcid)) {
|
|
|
|
|
|
|
|
rlc_entity = new rlc_um();
|
|
|
|
|
|
|
|
if (rlc_entity) {
|
|
|
|
|
|
|
|
// configure and add to array
|
|
|
|
|
|
|
|
rlc_entity->init(rlc_log, lcid, pdcp, rrc, mac_timers);
|
|
|
|
|
|
|
|
if (rlc_entity->configure(srslte_rlc_config_t::mch_config()) == false) {
|
|
|
|
|
|
|
|
rlc_log->error("Error configuring RLC entity\n.");
|
|
|
|
|
|
|
|
goto delete_and_exit;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
if (not rlc_array_mrb.insert(rlc_map_pair_t(lcid, rlc_entity)).second) {
|
|
|
|
|
|
|
|
rlc_log->error("Error inserting RLC entity in to array\n.");
|
|
|
|
|
|
|
|
goto delete_and_exit;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
rlc_log->error("Error instantiating RLC\n");
|
|
|
|
|
|
|
|
goto delete_and_exit;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
rlc_log->warning("Added radio bearer %s with mode RLC_UM\n", rrc->get_rb_name(lcid).c_str());
|
|
|
|
|
|
|
|
goto unlock_and_exit;
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
rlc_log->warning("Bearer %s already created.\n", rrc->get_rb_name(lcid).c_str());
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
delete_and_exit:
|
|
|
|
|
|
|
|
if (rlc_entity) {
|
|
|
|
|
|
|
|
delete(rlc_entity);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
rlc_array_mrb[lcid].init(rlc_log, lcid, pdcp, rrc, mac_timers);
|
|
|
|
|
|
|
|
rlc_array_mrb[lcid].configure(srslte_rlc_config_t::mch_config());
|
|
|
|
unlock_and_exit:
|
|
|
|
|
|
|
|
pthread_rwlock_unlock(&rwlock);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void rlc::add_bearer_mrb_enb(uint32_t lcid)
|
|
|
|
|
|
|
|
|
|
|
|
void rlc::del_bearer(uint32_t lcid)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
if(lcid >= SRSLTE_N_MCH_LCIDS) {
|
|
|
|
pthread_rwlock_wrlock(&rwlock);
|
|
|
|
rlc_log->error("Radio bearer id must be in [0:%d] - %d\n", SRSLTE_N_MCH_LCIDS, lcid);
|
|
|
|
|
|
|
|
return;
|
|
|
|
if (valid_lcid_mrb(lcid)) {
|
|
|
|
|
|
|
|
rlc_map_t::iterator it = rlc_array.find(lcid);
|
|
|
|
|
|
|
|
it->second->stop();
|
|
|
|
|
|
|
|
delete(it->second);
|
|
|
|
|
|
|
|
rlc_array.erase(it);
|
|
|
|
|
|
|
|
rlc_log->warning("Deleted RLC bearer %s\n", rrc->get_rb_name(lcid).c_str());
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
rlc_log->warning("Can't delete bearer %s. Bearer doesn't exist.\n", rrc->get_rb_name(lcid).c_str());
|
|
|
|
}
|
|
|
|
}
|
|
|
|
rlc_array_mrb[lcid].init(rlc_log,lcid,pdcp,rrc,mac_timers);
|
|
|
|
|
|
|
|
rlc_array_mrb[lcid].configure(srslte_rlc_config_t::mch_config());
|
|
|
|
pthread_rwlock_unlock(&rwlock);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************
|
|
|
|
/*******************************************************************************
|
|
|
|
Helpers
|
|
|
|
Helpers (Lock must be hold when calling those)
|
|
|
|
*******************************************************************************/
|
|
|
|
*******************************************************************************/
|
|
|
|
|
|
|
|
|
|
|
|
bool rlc::valid_lcid(uint32_t lcid)
|
|
|
|
bool rlc::valid_lcid(uint32_t lcid)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
if(lcid >= SRSLTE_N_RADIO_BEARERS) {
|
|
|
|
if (lcid >= SRSLTE_N_RADIO_BEARERS) {
|
|
|
|
rlc_log->warning("Invalid LCID=%d\n", lcid);
|
|
|
|
rlc_log->error("Radio bearer id must be in [0:%d] - %d", SRSLTE_N_RADIO_BEARERS, lcid);
|
|
|
|
return false;
|
|
|
|
return false;
|
|
|
|
} else if(!rlc_array[lcid].active()) {
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (rlc_array.find(lcid) == rlc_array.end()) {
|
|
|
|
return false;
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return true;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool rlc::valid_lcid_mrb(uint32_t lcid)
|
|
|
|
bool rlc::valid_lcid_mrb(uint32_t lcid)
|
|
|
|
{
|
|
|
|
{
|
|
|
|
if(lcid >= SRSLTE_N_MCH_LCIDS) {
|
|
|
|
if (lcid >= SRSLTE_N_MCH_LCIDS) {
|
|
|
|
|
|
|
|
rlc_log->error("Radio bearer id must be in [0:%d] - %d", SRSLTE_N_RADIO_BEARERS, lcid);
|
|
|
|
return false;
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if(!rlc_array_mrb[lcid].is_mrb()) {
|
|
|
|
|
|
|
|
|
|
|
|
if (rlc_array_mrb.find(lcid) == rlc_array_mrb.end()) {
|
|
|
|
return false;
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
return true;
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
} // namespace srsue
|
|
|
|
} // namespace srsue
|
|
|
|
|
Pedro Alvarez
6 years ago