mirror of https://github.com/PentHertz/srsLTE.git
Added mutex to RLC and PDCP eNodeB
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d7f6820d12
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@ -41,6 +41,7 @@ class pdcp : public pdcp_interface_rlc,
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public:
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void init(rlc_interface_pdcp *rlc_, rrc_interface_pdcp *rrc_, gtpu_interface_pdcp *gtpu_, srslte::log *pdcp_log_);
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~pdcp();
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void stop();
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// pdcp_interface_rlc
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@ -103,7 +104,10 @@ private:
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user_interface_gtpu gtpu_itf;
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user_interface_rrc rrc_itf;
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srslte::pdcp *pdcp;
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};
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};
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// Mutex to protect access to users std::map
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pthread_mutex_t mutex;
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std::map<uint32_t,user_interface> users;
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@ -49,6 +49,7 @@ public:
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void init(pdcp_interface_rlc *pdcp_, rrc_interface_rlc *rrc_, mac_interface_rlc *mac_,
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srslte::mac_interface_timers *mac_timers_, srslte::log *log_h);
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~rlc();
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void stop();
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// rlc_interface_rrc
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@ -91,11 +92,13 @@ private:
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srsenb::rrc_interface_rlc *rrc;
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srslte::rlc *rlc;
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srsenb::rlc *parent;
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};
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};
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// Mutex to protect access to users std::map
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pthread_mutex_t mutex;
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std::map<uint32_t,user_interface> users;
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std::vector<mch_service_t> mch_services;
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mac_interface_rlc *mac;
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pdcp_interface_rlc *pdcp;
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rrc_interface_rlc *rrc;
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@ -37,6 +37,11 @@ void pdcp::init(rlc_interface_pdcp* rlc_, rrc_interface_pdcp* rrc_, gtpu_interfa
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log_h = pdcp_log_;
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pool = srslte::byte_buffer_pool::get_instance();
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pthread_mutex_init(&mutex, NULL);
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}
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pdcp::~pdcp() {
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pthread_mutex_destroy(&mutex);
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}
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void pdcp::stop()
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@ -44,11 +49,14 @@ void pdcp::stop()
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for(std::map<uint32_t, user_interface>::iterator iter=users.begin(); iter!=users.end(); ++iter) {
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rem_user((uint32_t) iter->first);
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}
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pthread_mutex_lock(&mutex);
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users.clear();
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pthread_mutex_unlock(&mutex);
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}
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void pdcp::add_user(uint16_t rnti)
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{
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pthread_mutex_lock(&mutex);
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if (users.count(rnti) == 0) {
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srslte::pdcp *obj = new srslte::pdcp;
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obj->init(&users[rnti].rlc_itf, &users[rnti].rrc_itf, &users[rnti].gtpu_itf, log_h, RB_ID_SRB0, SECURITY_DIRECTION_DOWNLINK);
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@ -61,20 +69,24 @@ void pdcp::add_user(uint16_t rnti)
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users[rnti].gtpu_itf.gtpu = gtpu;
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users[rnti].pdcp = obj;
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}
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pthread_mutex_unlock(&mutex);
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}
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void pdcp::rem_user(uint16_t rnti)
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{
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pthread_mutex_lock(&mutex);
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if (users.count(rnti)) {
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users[rnti].pdcp->stop();
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delete users[rnti].pdcp;
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users[rnti].pdcp = NULL;
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users.erase(rnti);
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}
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pthread_mutex_unlock(&mutex);
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}
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void pdcp::add_bearer(uint16_t rnti, uint32_t lcid, srslte::srslte_pdcp_config_t cfg)
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{
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pthread_mutex_lock(&mutex);
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if (users.count(rnti)) {
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if(rnti != SRSLTE_MRNTI){
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users[rnti].pdcp->add_bearer(lcid, cfg);
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@ -82,37 +94,45 @@ void pdcp::add_bearer(uint16_t rnti, uint32_t lcid, srslte::srslte_pdcp_config_t
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users[rnti].pdcp->add_bearer_mrb(lcid, cfg);
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}
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}
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pthread_mutex_unlock(&mutex);
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}
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void pdcp::reset(uint16_t rnti)
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{
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pthread_mutex_lock(&mutex);
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if (users.count(rnti)) {
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users[rnti].pdcp->reset();
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}
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pthread_mutex_unlock(&mutex);
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}
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void pdcp::config_security(uint16_t rnti, uint32_t lcid, uint8_t* k_rrc_enc_, uint8_t* k_rrc_int_,
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srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo_,
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srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo_)
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{
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pthread_mutex_lock(&mutex);
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if (users.count(rnti)) {
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users[rnti].pdcp->config_security(lcid, k_rrc_enc_, k_rrc_int_, cipher_algo_, integ_algo_);
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users[rnti].pdcp->enable_integrity(lcid);
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users[rnti].pdcp->enable_encryption(lcid);
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}
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pthread_mutex_unlock(&mutex);
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}
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void pdcp::write_pdu(uint16_t rnti, uint32_t lcid, srslte::byte_buffer_t* sdu)
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{
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pthread_mutex_lock(&mutex);
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if (users.count(rnti)) {
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users[rnti].pdcp->write_pdu(lcid, sdu);
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} else {
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pool->deallocate(sdu);
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}
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pthread_mutex_unlock(&mutex);
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}
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void pdcp::write_sdu(uint16_t rnti, uint32_t lcid, srslte::byte_buffer_t* sdu)
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{
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pthread_mutex_lock(&mutex);
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if (users.count(rnti)) {
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if(rnti != SRSLTE_MRNTI){
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users[rnti].pdcp->write_sdu(lcid, sdu);
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@ -122,6 +142,7 @@ void pdcp::write_sdu(uint16_t rnti, uint32_t lcid, srslte::byte_buffer_t* sdu)
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} else {
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pool->deallocate(sdu);
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}
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pthread_mutex_unlock(&mutex);
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}
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void pdcp::user_interface_gtpu::write_pdu(uint32_t lcid, srslte::byte_buffer_t *pdu)
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@ -40,6 +40,11 @@ void rlc::init(pdcp_interface_rlc* pdcp_, rrc_interface_rlc* rrc_, mac_interface
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pool = srslte::byte_buffer_pool::get_instance();
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pthread_mutex_init(&mutex, NULL);
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}
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rlc::~rlc() {
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pthread_mutex_destroy(&mutex);
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}
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void rlc::stop()
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@ -47,12 +52,15 @@ void rlc::stop()
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for(std::map<uint32_t, user_interface>::iterator iter=users.begin(); iter!=users.end(); ++iter) {
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rem_user((uint32_t) iter->first);
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}
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pthread_mutex_lock(&mutex);
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users.clear();
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pthread_mutex_unlock(&mutex);
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}
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void rlc::add_user(uint16_t rnti)
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{
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if (users.count(rnti) == 0) {
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pthread_mutex_lock(&mutex);
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if (users.count(rnti) == 0) {
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srslte::rlc *obj = new srslte::rlc;
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obj->init(&users[rnti], &users[rnti], &users[rnti], log_h, mac_timers, RB_ID_SRB0);
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users[rnti].rnti = rnti;
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@ -61,27 +69,33 @@ void rlc::add_user(uint16_t rnti)
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users[rnti].rlc = obj;
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users[rnti].parent = this;
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}
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pthread_mutex_unlock(&mutex);
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}
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void rlc::rem_user(uint16_t rnti)
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{
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pthread_mutex_lock(&mutex);
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if (users.count(rnti)) {
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users[rnti].rlc->stop();
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delete users[rnti].rlc;
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users[rnti].rlc = NULL;
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users.erase(rnti);
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}
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pthread_mutex_unlock(&mutex);
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}
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void rlc::reset(uint16_t rnti)
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{
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pthread_mutex_lock(&mutex);
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if (users.count(rnti)) {
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users[rnti].rlc->reset();
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}
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pthread_mutex_unlock(&mutex);
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}
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void rlc::clear_buffer(uint16_t rnti)
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{
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pthread_mutex_lock(&mutex);
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if (users.count(rnti)) {
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users[rnti].rlc->empty_queue();
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for (int i=0;i<SRSLTE_N_RADIO_BEARERS;i++) {
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@ -89,27 +103,34 @@ void rlc::clear_buffer(uint16_t rnti)
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}
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log_h->info("Cleared buffer rnti=0x%x\n", rnti);
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}
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pthread_mutex_unlock(&mutex);
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}
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void rlc::add_bearer(uint16_t rnti, uint32_t lcid)
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{
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pthread_mutex_lock(&mutex);
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if (users.count(rnti)) {
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users[rnti].rlc->add_bearer(lcid);
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}
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pthread_mutex_unlock(&mutex);
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}
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void rlc::add_bearer(uint16_t rnti, uint32_t lcid, srslte::srslte_rlc_config_t cnfg)
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{
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pthread_mutex_lock(&mutex);
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if (users.count(rnti)) {
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users[rnti].rlc->add_bearer(lcid, cnfg);
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}
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pthread_mutex_unlock(&mutex);
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}
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void rlc::add_bearer_mrb(uint16_t rnti, uint32_t lcid)
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{
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pthread_mutex_lock(&mutex);
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if (users.count(rnti)) {
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users[rnti].rlc->add_bearer_mrb_enb(lcid);
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}
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pthread_mutex_unlock(&mutex);
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}
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void rlc::read_pdu_pcch(uint8_t* payload, uint32_t buffer_size)
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@ -119,13 +140,14 @@ void rlc::read_pdu_pcch(uint8_t* payload, uint32_t buffer_size)
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int rlc::read_pdu(uint16_t rnti, uint32_t lcid, uint8_t* payload, uint32_t nof_bytes)
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{
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pthread_mutex_lock(&mutex);
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int ret;
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uint32_t tx_queue;
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if(users.count(rnti)){
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if(rnti != SRSLTE_MRNTI){
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if (users.count(rnti)) {
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if (rnti != SRSLTE_MRNTI) {
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ret = users[rnti].rlc->read_pdu(lcid, payload, nof_bytes);
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tx_queue = users[rnti].rlc->get_total_buffer_state(lcid);
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}else{
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} else {
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ret = users[rnti].rlc->read_pdu_mch(lcid, payload, nof_bytes);
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tx_queue = users[rnti].rlc->get_total_mch_buffer_state(lcid);
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}
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@ -135,15 +157,14 @@ int rlc::read_pdu(uint16_t rnti, uint32_t lcid, uint8_t* payload, uint32_t nof_b
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uint32_t retx_queue = 0;
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log_h->debug("Buffer state PDCP: rnti=0x%x, lcid=%d, tx_queue=%d\n", rnti, lcid, tx_queue);
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mac->rlc_buffer_state(rnti, lcid, tx_queue, retx_queue);
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return ret;
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}else{
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return SRSLTE_ERROR;
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}
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pthread_mutex_unlock(&mutex);
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return ret;
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}
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void rlc::write_pdu(uint16_t rnti, uint32_t lcid, uint8_t* payload, uint32_t nof_bytes)
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{
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pthread_mutex_lock(&mutex);
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if (users.count(rnti)) {
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users[rnti].rlc->write_pdu(lcid, payload, nof_bytes);
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@ -154,6 +175,7 @@ void rlc::write_pdu(uint16_t rnti, uint32_t lcid, uint8_t* payload, uint32_t nof
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log_h->debug("Buffer state PDCP: rnti=0x%x, lcid=%d, tx_queue=%d\n", rnti, lcid, tx_queue);
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mac->rlc_buffer_state(rnti, lcid, tx_queue, retx_queue);
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}
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pthread_mutex_unlock(&mutex);
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}
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void rlc::read_pdu_bcch_dlsch(uint32_t sib_index, uint8_t *payload)
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@ -164,7 +186,8 @@ void rlc::read_pdu_bcch_dlsch(uint32_t sib_index, uint8_t *payload)
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void rlc::write_sdu(uint16_t rnti, uint32_t lcid, srslte::byte_buffer_t* sdu)
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{
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pthread_mutex_lock(&mutex);
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uint32_t tx_queue;
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if (users.count(rnti)) {
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if(rnti != SRSLTE_MRNTI){
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@ -183,6 +206,7 @@ void rlc::write_sdu(uint16_t rnti, uint32_t lcid, srslte::byte_buffer_t* sdu)
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} else {
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pool->deallocate(sdu);
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}
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pthread_mutex_unlock(&mutex);
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}
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bool rlc::rb_is_um(uint16_t rnti, uint32_t lcid) {
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