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117 lines
2.7 KiB
C++
117 lines
2.7 KiB
C++
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/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2012-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#ifndef SRSRAN_COMMON_NR_H
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#define SRSRAN_COMMON_NR_H
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#include <array>
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#include <cstdint>
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namespace srsran {
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// Radio Bearers
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enum class nr_srb { srb0, srb1, srb2, srb3, count };
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const uint32_t MAX_NR_SRB_ID = 3;
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enum class nr_drb {
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drb1 = 1,
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drb2,
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drb3,
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drb4,
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drb5,
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drb6,
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drb7,
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drb8,
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drb9,
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drb10,
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drb11,
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drb12,
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drb13,
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drb14,
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drb15,
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drb16,
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drb17,
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drb18,
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drb19,
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drb20,
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drb21,
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drb22,
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drb23,
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drb24,
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drb25,
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drb26,
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drb27,
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drb28,
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drb29,
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invalid
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};
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const uint32_t MAX_NR_DRB_ID = 29;
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const uint32_t MAX_NR_NOF_BEARERS = MAX_NR_DRB_ID + MAX_NR_SRB_ID; // 32
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// PDU Session ID range [1, 15]. See TS 24.007, 11.2.3.1b.
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const uint32_t MAX_NR_PDU_SESSION_ID = 15;
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const uint32_t MIN_NR_PDU_SESSION_ID = 1;
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constexpr bool is_nr_pdu_session_id(uint32_t pdu_session_id)
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{
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return pdu_session_id >= MIN_NR_PDU_SESSION_ID and pdu_session_id <= MAX_NR_PDU_SESSION_ID;
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}
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constexpr bool is_nr_lcid(uint32_t lcid)
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{
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return lcid < MAX_NR_NOF_BEARERS;
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}
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constexpr bool is_nr_srb(uint32_t srib)
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{
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return srib <= MAX_NR_SRB_ID;
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}
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inline const char* get_srb_name(nr_srb srb_id)
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{
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static const char* names[] = {"SRB0", "SRB1", "SRB2", "SRB3", "invalid SRB id"};
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return names[(uint32_t)(srb_id < nr_srb::count ? srb_id : nr_srb::count)];
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}
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constexpr uint32_t srb_to_lcid(nr_srb srb_id)
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{
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return static_cast<uint32_t>(srb_id);
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}
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constexpr nr_srb nr_lcid_to_srb(uint32_t lcid)
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{
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return static_cast<nr_srb>(lcid);
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}
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constexpr nr_drb nr_drb_id_to_drb(uint32_t drb_id)
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{
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return static_cast<nr_drb>(drb_id);
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}
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constexpr bool is_nr_drb(uint32_t drib)
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{
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return drib > MAX_NR_SRB_ID and is_nr_lcid(drib);
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}
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inline const char* get_drb_name(nr_drb drb_id)
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{
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static const char* names[] = {"DRB1", "DRB2", "DRB3", "DRB4", "DRB5", "DRB6", "DRB7", "DRB8",
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"DRB9", "DRB10", "DRB11", "DRB12", "DRB13", "DRB14", "DRB15", "DRB16",
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"DRB17", "DRB18", "DRB19", "DRB20", "DRB21", "DRB22", "DRB23", "DRB24",
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"DRB25", "DRB26", "DRB27", "DRB28", "DRB29", "invalid DRB id"};
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return names[(uint32_t)(drb_id < nr_drb::invalid ? drb_id : nr_drb::invalid) - 1];
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}
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inline const char* get_nr_rb_name(uint32_t lcid)
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{
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if (is_nr_srb(lcid)) {
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return get_srb_name(static_cast<nr_srb>(lcid));
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}
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return get_drb_name(static_cast<nr_drb>(lcid - MAX_NR_SRB_ID));
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}
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} // namespace srsran
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#endif // SRSRAN_COMMON_NR_H
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