mirror of https://github.com/PentHertz/srsLTE.git
nr,gnb,rrc: print correct context where PDU allocation fails, and handle case the CCCH/DCCH failed to be sent to the UE
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parent
6221134b77
commit
f9a2b8e068
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@ -162,17 +162,18 @@ private:
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// Helper to create PDU from RRC message
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template <class T>
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srsran::unique_byte_buffer_t pack_into_pdu(const T& msg)
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srsran::unique_byte_buffer_t pack_into_pdu(const T& msg, const char* context_name = nullptr)
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{
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context_name = context_name == nullptr ? __FUNCTION__ : context_name;
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// Allocate a new PDU buffer and pack the
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srsran::unique_byte_buffer_t pdu = srsran::make_byte_buffer();
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if (pdu == nullptr) {
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logger.error("Couldn't allocate PDU in %s().", __FUNCTION__);
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logger.error("Couldn't allocate PDU in %s.", context_name);
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return nullptr;
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}
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asn1::bit_ref bref(pdu->msg, pdu->get_tailroom());
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if (msg.pack(bref) == asn1::SRSASN_ERROR_ENCODE_FAIL) {
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logger.error("Failed to pack message. Discarding it.");
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logger.error("Failed to pack message in %s. Discarding it.", context_name);
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return nullptr;
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}
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pdu->N_bytes = bref.distance_bytes();
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@ -75,8 +75,8 @@ public:
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void establish_eps_bearer(uint32_t pdu_session_id, srsran::const_byte_span nas_pdu, uint32_t lcid);
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private:
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void send_dl_ccch(const asn1::rrc_nr::dl_ccch_msg_s& dl_ccch_msg);
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void send_dl_dcch(srsran::nr_srb srb, const asn1::rrc_nr::dl_dcch_msg_s& dl_dcch_msg);
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int send_dl_ccch(const asn1::rrc_nr::dl_ccch_msg_s& dl_ccch_msg);
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int send_dl_dcch(srsran::nr_srb srb, const asn1::rrc_nr::dl_dcch_msg_s& dl_dcch_msg);
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/* TS 38.331 - 5.3.3 RRC connection establishment */
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void send_rrc_setup();
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@ -112,32 +112,34 @@ std::string rrc_nr::ue::to_string(const activity_timeout_type_t& type)
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return srsran::enum_to_text(options, (uint32_t)activity_timeout_type_t::nulltype, (uint32_t)type);
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}
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void rrc_nr::ue::send_dl_ccch(const dl_ccch_msg_s& dl_ccch_msg)
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int rrc_nr::ue::send_dl_ccch(const dl_ccch_msg_s& dl_ccch_msg)
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{
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// Allocate a new PDU buffer, pack the message and send to PDCP
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srsran::unique_byte_buffer_t pdu = parent->pack_into_pdu(dl_ccch_msg);
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srsran::unique_byte_buffer_t pdu = parent->pack_into_pdu(dl_ccch_msg, __FUNCTION__);
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if (pdu == nullptr) {
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logger.error("Failed to send DL-CCCH");
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return;
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return SRSRAN_ERROR;
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}
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fmt::memory_buffer fmtbuf;
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fmt::format_to(fmtbuf, "DL-CCCH.{}", dl_ccch_msg.msg.c1().type().to_string());
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log_rrc_message(srsran::nr_srb::srb0, Tx, *pdu.get(), dl_ccch_msg, srsran::to_c_str(fmtbuf));
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parent->rlc->write_sdu(rnti, srsran::srb_to_lcid(srsran::nr_srb::srb0), std::move(pdu));
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return SRSRAN_SUCCESS;
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}
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void rrc_nr::ue::send_dl_dcch(srsran::nr_srb srb, const asn1::rrc_nr::dl_dcch_msg_s& dl_dcch_msg)
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int rrc_nr::ue::send_dl_dcch(srsran::nr_srb srb, const asn1::rrc_nr::dl_dcch_msg_s& dl_dcch_msg)
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{
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// Allocate a new PDU buffer, pack the message and send to PDCP
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srsran::unique_byte_buffer_t pdu = parent->pack_into_pdu(dl_dcch_msg);
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srsran::unique_byte_buffer_t pdu = parent->pack_into_pdu(dl_dcch_msg, __FUNCTION__);
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if (pdu == nullptr) {
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logger.error("Failed to send DL-DCCH");
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return;
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return SRSRAN_ERROR;
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}
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fmt::memory_buffer fmtbuf;
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fmt::format_to(fmtbuf, "DL-DCCH.{}", dl_dcch_msg.msg.c1().type().to_string());
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log_rrc_message(srb, Tx, *pdu.get(), dl_dcch_msg, srsran::to_c_str(fmtbuf));
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parent->pdcp->write_sdu(rnti, srsran::srb_to_lcid(srb), std::move(pdu));
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return SRSRAN_SUCCESS;
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}
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int rrc_nr::ue::pack_secondary_cell_group_rlc_cfg(asn1::rrc_nr::cell_group_cfg_s& cell_group_cfg_pack)
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@ -894,7 +896,9 @@ void rrc_nr::ue::send_rrc_reject(uint8_t reject_wait_time_secs)
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reject.wait_time_present = true;
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reject.wait_time = reject_wait_time_secs;
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}
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send_dl_ccch(msg);
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if (send_dl_ccch(msg) != SRSRAN_SUCCESS) {
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// TODO: Handle
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}
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// TODO: remove user
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}
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@ -927,7 +931,7 @@ void rrc_nr::ue::send_rrc_setup()
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// - Derive master cell group config bearers
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fill_cellgroup_with_radio_bearer_cfg(parent->cfg, setup_ies.radio_bearer_cfg, master_cell_group);
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// - Pack masterCellGroup into container
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srsran::unique_byte_buffer_t pdu = parent->pack_into_pdu(master_cell_group);
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srsran::unique_byte_buffer_t pdu = parent->pack_into_pdu(master_cell_group, __FUNCTION__);
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if (pdu == nullptr) {
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send_rrc_reject(max_wait_time_secs);
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return;
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@ -949,7 +953,10 @@ void rrc_nr::ue::send_rrc_setup()
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// add MAC bearers
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update_mac(master_cell_group);
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send_dl_ccch(msg);
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// Send RRC Setup message to UE
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if (send_dl_ccch(msg) != SRSRAN_SUCCESS) {
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send_rrc_reject(max_wait_time_secs);
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}
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}
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/// TS 38.331, RRCSetupComplete
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@ -976,7 +983,9 @@ void rrc_nr::ue::send_security_mode_command()
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ies.security_cfg_smc.security_algorithm_cfg.integrity_prot_algorithm.value = integrity_prot_algorithm_opts::nia0;
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ies.security_cfg_smc.security_algorithm_cfg.ciphering_algorithm.value = ciphering_algorithm_opts::nea0;
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send_dl_dcch(srsran::nr_srb::srb1, dl_dcch_msg);
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if (send_dl_dcch(srsran::nr_srb::srb1, dl_dcch_msg) != SRSRAN_SUCCESS) {
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send_rrc_release();
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}
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}
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/// TS 38.331, SecurityModeComplete
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@ -1009,7 +1018,7 @@ void rrc_nr::ue::send_rrc_reconfiguration()
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fill_cellgroup_with_radio_bearer_cfg(parent->cfg, ies.radio_bearer_cfg, master_cell_group);
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// Pack masterCellGroup into container
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srsran::unique_byte_buffer_t pdu = parent->pack_into_pdu(master_cell_group);
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srsran::unique_byte_buffer_t pdu = parent->pack_into_pdu(master_cell_group, __FUNCTION__);
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if (pdu == nullptr) {
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send_rrc_release();
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return;
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@ -1038,7 +1047,9 @@ void rrc_nr::ue::send_rrc_reconfiguration()
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update_mac(master_cell_group);
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}
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send_dl_dcch(srsran::nr_srb::srb1, dl_dcch_msg);
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if (send_dl_dcch(srsran::nr_srb::srb1, dl_dcch_msg) != SRSRAN_SUCCESS) {
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send_rrc_release();
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}
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}
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void rrc_nr::ue::handle_rrc_reconfiguration_complete(const asn1::rrc_nr::rrc_recfg_complete_s& msg)
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@ -1061,7 +1072,9 @@ void rrc_nr::ue::send_dl_information_transfer(srsran::unique_byte_buffer_t sdu)
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ies.ded_nas_msg.resize(sdu->N_bytes);
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memcpy(ies.ded_nas_msg.data(), sdu->data(), ies.ded_nas_msg.size());
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send_dl_dcch(srsran::nr_srb::srb1, dl_dcch_msg);
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if (send_dl_dcch(srsran::nr_srb::srb1, dl_dcch_msg) != SRSRAN_SUCCESS) {
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send_rrc_release();
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}
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}
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void rrc_nr::ue::handle_ul_information_transfer(const asn1::rrc_nr::ul_info_transfer_s& msg)
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