mirror of https://github.com/PentHertz/srsLTE.git
244 lines
7.6 KiB
C
244 lines
7.6 KiB
C
/**
|
|
*
|
|
* \section COPYRIGHT
|
|
*
|
|
* Copyright 2013-2021 Software Radio Systems Limited
|
|
*
|
|
* By using this file, you agree to the terms and conditions set
|
|
* forth in the LICENSE file which can be found at the top level of
|
|
* the distribution.
|
|
*
|
|
*/
|
|
|
|
/******************************************************************************
|
|
* File: dci.h
|
|
*
|
|
* Description: Downlink control information (DCI).
|
|
* Packing/Unpacking functions to convert between bit streams
|
|
* and packed DCI UL/DL grants defined in ra.h
|
|
*
|
|
* Reference: 3GPP TS 36.212 version 10.0.0 Release 10 Sec. 5.3.3
|
|
*****************************************************************************/
|
|
|
|
#ifndef SRSRAN_DCI_H
|
|
#define SRSRAN_DCI_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "srsran/config.h"
|
|
#include "srsran/phy/common/phy_common.h"
|
|
#include "srsran/phy/phch/ra.h"
|
|
|
|
#define SRSRAN_DCI_MAX_BITS 128
|
|
#define SRSRAN_RAR_GRANT_LEN 20
|
|
|
|
#define SRSRAN_DCI_IS_TB_EN(tb) (!(tb.mcs_idx == 0 && tb.rv == 1))
|
|
#define SRSRAN_DCI_TB_DISABLE(tb) \
|
|
do { \
|
|
tb.mcs_idx = 0; \
|
|
tb.rv = 1; \
|
|
} while (0)
|
|
#define SRSRAN_DCI_HEXDEBUG 0
|
|
|
|
typedef struct {
|
|
bool multiple_csi_request_enabled;
|
|
bool cif_enabled;
|
|
bool cif_present;
|
|
bool srs_request_enabled;
|
|
bool ra_format_enabled;
|
|
bool is_not_ue_ss;
|
|
} srsran_dci_cfg_t;
|
|
|
|
typedef struct SRSRAN_API {
|
|
uint32_t L; // Aggregation level (logarithmic)
|
|
uint32_t ncce; // Position of first CCE of the dci
|
|
} srsran_dci_location_t;
|
|
|
|
typedef struct SRSRAN_API {
|
|
uint8_t payload[SRSRAN_DCI_MAX_BITS];
|
|
uint32_t nof_bits;
|
|
srsran_dci_location_t location;
|
|
srsran_dci_format_t format;
|
|
uint16_t rnti;
|
|
} srsran_dci_msg_t;
|
|
|
|
typedef struct SRSRAN_API {
|
|
uint32_t mcs_idx;
|
|
int rv;
|
|
bool ndi;
|
|
uint32_t cw_idx;
|
|
} srsran_dci_tb_t;
|
|
|
|
typedef struct SRSRAN_API {
|
|
|
|
uint16_t rnti;
|
|
srsran_dci_format_t format;
|
|
srsran_dci_location_t location;
|
|
uint32_t ue_cc_idx;
|
|
|
|
// Resource Allocation
|
|
srsran_ra_type_t alloc_type;
|
|
union {
|
|
srsran_ra_type0_t type0_alloc;
|
|
srsran_ra_type1_t type1_alloc;
|
|
srsran_ra_type2_t type2_alloc;
|
|
};
|
|
|
|
// Codeword information
|
|
srsran_dci_tb_t tb[SRSRAN_MAX_CODEWORDS];
|
|
bool tb_cw_swap;
|
|
uint32_t pinfo;
|
|
|
|
// Power control
|
|
bool pconf;
|
|
bool power_offset;
|
|
uint8_t tpc_pucch;
|
|
|
|
// RA order
|
|
bool is_ra_order;
|
|
uint32_t ra_preamble;
|
|
uint32_t ra_mask_idx;
|
|
|
|
// Release 10
|
|
uint32_t cif;
|
|
bool cif_present;
|
|
bool srs_request;
|
|
bool srs_request_present;
|
|
|
|
// Other parameters
|
|
uint32_t pid;
|
|
uint32_t dai;
|
|
bool is_tdd;
|
|
bool is_dwpts;
|
|
bool sram_id;
|
|
|
|
// For debugging purposes
|
|
#if SRSRAN_DCI_HEXDEBUG
|
|
uint32_t nof_bits;
|
|
char hex_str[SRSRAN_DCI_MAX_BITS];
|
|
#endif
|
|
} srsran_dci_dl_t;
|
|
|
|
/** Unpacked DCI Format0 message */
|
|
typedef struct SRSRAN_API {
|
|
|
|
uint16_t rnti;
|
|
srsran_dci_format_t format;
|
|
srsran_dci_location_t location;
|
|
uint32_t ue_cc_idx;
|
|
|
|
srsran_ra_type2_t type2_alloc;
|
|
/* 36.213 Table 8.4-2: SRSRAN_RA_PUSCH_HOP_HALF is 0 for < 10 Mhz and 10 for > 10 Mhz.
|
|
* SRSRAN_RA_PUSCH_HOP_QUART is 00 for > 10 Mhz and SRSRAN_RA_PUSCH_HOP_QUART_NEG is 01 for > 10 Mhz.
|
|
*/
|
|
enum {
|
|
SRSRAN_RA_PUSCH_HOP_DISABLED = -1,
|
|
SRSRAN_RA_PUSCH_HOP_QUART = 0,
|
|
SRSRAN_RA_PUSCH_HOP_QUART_NEG = 1,
|
|
SRSRAN_RA_PUSCH_HOP_HALF = 2,
|
|
SRSRAN_RA_PUSCH_HOP_TYPE2 = 3
|
|
} freq_hop_fl;
|
|
|
|
// Codeword information
|
|
srsran_dci_tb_t tb;
|
|
uint32_t n_dmrs;
|
|
bool cqi_request;
|
|
|
|
// TDD parametres
|
|
uint32_t dai;
|
|
uint32_t ul_idx;
|
|
bool is_tdd;
|
|
|
|
// Power control
|
|
uint8_t tpc_pusch;
|
|
|
|
// Release 10
|
|
uint32_t cif;
|
|
bool cif_present;
|
|
uint8_t multiple_csi_request;
|
|
bool multiple_csi_request_present;
|
|
bool srs_request;
|
|
bool srs_request_present;
|
|
srsran_ra_type_t ra_type;
|
|
bool ra_type_present;
|
|
|
|
// For debugging purposes
|
|
#if SRSRAN_DCI_HEXDEBUG
|
|
uint32_t nof_bits;
|
|
char hex_str[SRSRAN_DCI_MAX_BITS];
|
|
#endif /* SRSRAN_DCI_HEXDEBUG */
|
|
|
|
} srsran_dci_ul_t;
|
|
|
|
typedef struct SRSRAN_API {
|
|
uint32_t rba;
|
|
uint32_t trunc_mcs;
|
|
uint32_t tpc_pusch;
|
|
bool ul_delay;
|
|
bool cqi_request;
|
|
bool hopping_flag;
|
|
} srsran_dci_rar_grant_t;
|
|
|
|
SRSRAN_API void srsran_dci_rar_unpack(uint8_t payload[SRSRAN_RAR_GRANT_LEN], srsran_dci_rar_grant_t* rar);
|
|
|
|
SRSRAN_API void srsran_dci_rar_pack(srsran_dci_rar_grant_t* rar, uint8_t payload[SRSRAN_RAR_GRANT_LEN]);
|
|
|
|
SRSRAN_API int srsran_dci_rar_to_ul_dci(srsran_cell_t* cell, srsran_dci_rar_grant_t* rar, srsran_dci_ul_t* dci_ul);
|
|
|
|
SRSRAN_API int srsran_dci_msg_pack_pusch(srsran_cell_t* cell,
|
|
srsran_dl_sf_cfg_t* sf,
|
|
srsran_dci_cfg_t* cfg,
|
|
srsran_dci_ul_t* dci,
|
|
srsran_dci_msg_t* msg);
|
|
|
|
SRSRAN_API int srsran_dci_msg_unpack_pusch(srsran_cell_t* cell,
|
|
srsran_dl_sf_cfg_t* sf,
|
|
srsran_dci_cfg_t* cfg,
|
|
srsran_dci_msg_t* msg,
|
|
srsran_dci_ul_t* dci);
|
|
|
|
SRSRAN_API int srsran_dci_msg_pack_pdsch(srsran_cell_t* cell,
|
|
srsran_dl_sf_cfg_t* sf,
|
|
srsran_dci_cfg_t* cfg,
|
|
srsran_dci_dl_t* dci,
|
|
srsran_dci_msg_t* msg);
|
|
|
|
SRSRAN_API int srsran_dci_msg_unpack_pdsch(srsran_cell_t* cell,
|
|
srsran_dl_sf_cfg_t* sf,
|
|
srsran_dci_cfg_t* cfg,
|
|
srsran_dci_msg_t* msg,
|
|
srsran_dci_dl_t* dci);
|
|
|
|
SRSRAN_API uint32_t srsran_dci_format_sizeof(const srsran_cell_t* cell,
|
|
srsran_dl_sf_cfg_t* sf,
|
|
srsran_dci_cfg_t* cfg,
|
|
srsran_dci_format_t format);
|
|
|
|
SRSRAN_API void srsran_dci_dl_fprint(FILE* f, srsran_dci_dl_t* dci, uint32_t nof_prb);
|
|
|
|
SRSRAN_API uint32_t srsran_dci_dl_info(const srsran_dci_dl_t* dci_dl, char* str, uint32_t str_len);
|
|
|
|
SRSRAN_API uint32_t srsran_dci_ul_info(srsran_dci_ul_t* dci_ul, char* info_str, uint32_t len);
|
|
|
|
SRSRAN_API srsran_dci_format_t srsran_dci_format_from_string(char* str);
|
|
|
|
SRSRAN_API char* srsran_dci_format_string(srsran_dci_format_t format);
|
|
|
|
SRSRAN_API char* srsran_dci_format_string_short(srsran_dci_format_t format);
|
|
|
|
SRSRAN_API bool
|
|
srsran_location_find(const srsran_dci_location_t* locations, uint32_t nof_locations, srsran_dci_location_t x);
|
|
|
|
SRSRAN_API bool
|
|
srsran_location_find_ncce(const srsran_dci_location_t* locations, uint32_t nof_locations, uint32_t ncce);
|
|
|
|
SRSRAN_API int srsran_dci_location_set(srsran_dci_location_t* c, uint32_t L, uint32_t nCCE);
|
|
|
|
SRSRAN_API bool srsran_dci_location_isvalid(srsran_dci_location_t* c);
|
|
|
|
SRSRAN_API void srsran_dci_cfg_set_common_ss(srsran_dci_cfg_t* cfg);
|
|
|
|
SRSRAN_API uint32_t srsran_dci_format_max_tb(srsran_dci_format_t format);
|
|
|
|
#endif // DCI_
|