mirror of https://github.com/PentHertz/srsLTE.git
extend PDCP interface to allow non-blocking write of SDUs
This commit is contained in:
parent
2b86272c5e
commit
b8438e9cc3
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@ -228,7 +228,7 @@ public:
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class pdcp_interface_gw
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{
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public:
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virtual void write_sdu(uint32_t lcid, srslte::byte_buffer_t *sdu) = 0;
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virtual void write_sdu(uint32_t lcid, srslte::byte_buffer_t *sdu, bool blocking) = 0;
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virtual bool is_drb_enabled(uint32_t lcid) = 0;
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};
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@ -238,7 +238,7 @@ class pdcp_interface_rrc
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public:
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virtual void reestablish() = 0;
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virtual void reset() = 0;
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virtual void write_sdu(uint32_t lcid, srslte::byte_buffer_t *sdu) = 0;
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virtual void write_sdu(uint32_t lcid, srslte::byte_buffer_t *sdu, bool blocking = true) = 0;
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virtual void add_bearer(uint32_t lcid, srslte::srslte_pdcp_config_t cnfg = srslte::srslte_pdcp_config_t()) = 0;
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virtual void config_security(uint32_t lcid,
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uint8_t *k_enc_,
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@ -282,7 +282,7 @@ class rlc_interface_pdcp
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public:
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/* PDCP calls RLC to push an RLC SDU. SDU gets placed into the RLC buffer and MAC pulls
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* RLC PDUs according to TB size. */
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virtual void write_sdu(uint32_t lcid, srslte::byte_buffer_t *sdu) = 0;
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virtual void write_sdu(uint32_t lcid, srslte::byte_buffer_t *sdu, bool blocking = true) = 0;
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virtual bool rb_is_um(uint32_t lcid) = 0;
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};
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@ -56,7 +56,7 @@ public:
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// RRC interface
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void reestablish();
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void reset();
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void write_sdu(uint32_t lcid, byte_buffer_t *sdu);
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void write_sdu(uint32_t lcid, byte_buffer_t *sdu, bool blocking = true);
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void write_sdu_mch(uint32_t lcid, byte_buffer_t *sdu);
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void add_bearer(uint32_t lcid, srslte_pdcp_config_t cnfg = srslte_pdcp_config_t());
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void add_bearer_mrb(uint32_t lcid, srslte_pdcp_config_t cnfg = srslte_pdcp_config_t());
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@ -76,7 +76,7 @@ public:
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bool is_active();
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// RRC interface
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void write_sdu(byte_buffer_t *sdu);
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void write_sdu(byte_buffer_t *sdu, bool blocking);
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void config_security(uint8_t *k_enc_,
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uint8_t *k_int_,
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CIPHERING_ALGORITHM_ID_ENUM cipher_algo_,
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@ -55,7 +55,7 @@ public:
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virtual bool is_active() = 0;
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// RRC interface
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virtual void write_sdu(byte_buffer_t *sdu) = 0;
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virtual void write_sdu(byte_buffer_t *sdu, bool blocking) = 0;
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virtual void config_security(uint8_t *k_enc_,
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uint8_t *k_int_,
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CIPHERING_ALGORITHM_ID_ENUM cipher_algo_,
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@ -63,8 +63,7 @@ public:
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void get_metrics(rlc_metrics_t &m);
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// PDCP interface
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void write_sdu(uint32_t lcid, byte_buffer_t *sdu);
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void write_sdu_nb(uint32_t lcid, byte_buffer_t *sdu);
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void write_sdu(uint32_t lcid, byte_buffer_t *sdu, bool blocking = true);
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void write_sdu_mch(uint32_t lcid, byte_buffer_t *sdu);
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bool rb_is_um(uint32_t lcid);
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@ -115,11 +115,11 @@ bool pdcp::is_drb_enabled(uint32_t lcid)
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return ret;
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}
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void pdcp::write_sdu(uint32_t lcid, byte_buffer_t *sdu)
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void pdcp::write_sdu(uint32_t lcid, byte_buffer_t *sdu, bool blocking)
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{
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pthread_rwlock_rdlock(&rwlock);
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if (valid_lcid(lcid)) {
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pdcp_array.at(lcid)->write_sdu(sdu);
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pdcp_array.at(lcid)->write_sdu(sdu, blocking);
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} else {
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pdcp_log->warning("Writing sdu: lcid=%d. Deallocating sdu\n", lcid);
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byte_buffer_pool::get_instance()->deallocate(sdu);
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@ -131,7 +131,7 @@ void pdcp::write_sdu_mch(uint32_t lcid, byte_buffer_t *sdu)
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{
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pthread_rwlock_rdlock(&rwlock);
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if (valid_mch_lcid(lcid)){
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pdcp_array_mrb.at(lcid)->write_sdu(sdu);
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pdcp_array_mrb.at(lcid)->write_sdu(sdu, true);
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}
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pthread_rwlock_unlock(&rwlock);
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}
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@ -141,13 +141,14 @@ void pdcp::add_bearer(uint32_t lcid, srslte_pdcp_config_t cfg)
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if (not valid_lcid(lcid)) {
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if (not pdcp_array.insert(pdcp_map_pair_t(lcid, new pdcp_entity())).second) {
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pdcp_log->error("Error inserting PDCP entity in to array\n.");
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return;
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goto unlock_and_exit;
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}
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pdcp_array.at(lcid)->init(rlc, rrc, gw, pdcp_log, lcid, cfg);
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pdcp_log->info("Added bearer %s\n", rrc->get_rb_name(lcid).c_str());
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} else {
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pdcp_log->warning("Bearer %s already configured. Reconfiguration not supported\n", rrc->get_rb_name(lcid).c_str());
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}
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unlock_and_exit:
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pthread_rwlock_unlock(&rwlock);
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}
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@ -158,13 +159,14 @@ void pdcp::add_bearer_mrb(uint32_t lcid, srslte_pdcp_config_t cfg)
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if (not valid_mch_lcid(lcid)) {
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if (not pdcp_array_mrb.insert(pdcp_map_pair_t(lcid, new pdcp_entity())).second) {
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pdcp_log->error("Error inserting PDCP entity in to array\n.");
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return;
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goto unlock_and_exit;
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}
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pdcp_array_mrb.at(lcid)->init(rlc, rrc, gw, pdcp_log, lcid, cfg);
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pdcp_log->info("Added bearer %s\n", rrc->get_rb_name(lcid).c_str());
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} else {
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pdcp_log->warning("Bearer %s already configured. Reconfiguration not supported\n", rrc->get_rb_name(lcid).c_str());
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}
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unlock_and_exit:
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pthread_rwlock_unlock(&rwlock);
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}
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@ -108,8 +108,8 @@ bool pdcp_entity::is_active()
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return active;
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}
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// RRC interface
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void pdcp_entity::write_sdu(byte_buffer_t *sdu)
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// GW/RRC interface
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void pdcp_entity::write_sdu(byte_buffer_t *sdu, bool blocking)
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{
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log->info_hex(sdu->msg, sdu->N_bytes,
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"TX %s SDU, SN: %d, do_integrity = %s, do_encryption = %s",
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@ -141,7 +141,7 @@ void pdcp_entity::write_sdu(byte_buffer_t *sdu)
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}
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tx_count++;
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rlc->write_sdu(lcid, sdu);
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rlc->write_sdu(lcid, sdu, blocking);
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}
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void pdcp_entity::config_security(uint8_t *k_enc_,
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@ -165,12 +165,15 @@ void rlc::reestablish()
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void rlc::reset()
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{
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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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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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@ -195,24 +198,15 @@ void rlc::empty_queue()
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PDCP interface
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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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pthread_rwlock_rdlock(&rwlock);
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if (valid_lcid(lcid)) {
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if (blocking) {
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rlc_array.at(lcid)->write_sdu(sdu);
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} else {
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rlc_log->warning("Writing SDU: lcid=%d. Deallocating sdu\n", lcid);
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byte_buffer_pool::get_instance()->deallocate(sdu);
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}
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pthread_rwlock_unlock(&rwlock);
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}
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void rlc::write_sdu_nb(uint32_t lcid, byte_buffer_t *sdu)
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{
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pthread_rwlock_rdlock(&rwlock);
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if (valid_lcid(lcid)) {
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rlc_array.at(lcid)->write_sdu_nb(sdu);
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}
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} else {
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rlc_log->warning("Writing SDU: lcid=%d. Deallocating sdu\n", lcid);
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byte_buffer_pool::get_instance()->deallocate(sdu);
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@ -220,7 +214,6 @@ void rlc::write_sdu_nb(uint32_t lcid, byte_buffer_t *sdu)
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pthread_rwlock_unlock(&rwlock);
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}
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void rlc::write_sdu_mch(uint32_t lcid, byte_buffer_t *sdu)
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{
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pthread_rwlock_rdlock(&rwlock);
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@ -429,7 +422,7 @@ void rlc::add_bearer(uint32_t lcid, srslte_rlc_config_t cnfg)
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break;
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default:
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rlc_log->error("Cannot add RLC entity - invalid mode\n");
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return;
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goto unlock_and_exit;
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}
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if (rlc_entity) {
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@ -105,11 +105,13 @@ bool rlc_am::configure(srslte_rlc_config_t cfg_)
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void rlc_am::empty_queue() {
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// Drop all messages in TX SDU queue
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pthread_mutex_lock(&mutex);
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byte_buffer_t *buf;
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while(tx_sdu_queue.try_read(&buf)) {
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pool->deallocate(buf);
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}
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tx_sdu_queue.reset();
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pthread_mutex_unlock(&mutex);
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}
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void rlc_am::reestablish() {
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