--- /dev/null
+/******************************************************************************
+*
+* Copyright (c) 2019 Intel.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*
+*******************************************************************************/
+
+
+/**
+ * @brief This file provides the definitions for Control Plane Messages APIs.
+ *
+ * @file xran_cp_api.h
+ * @ingroup group_lte_source_xran
+ * @author Intel Corporation
+ *
+ **/
+
+#ifndef _XRAN_CP_API_H_
+#define _XRAN_CP_API_H_
+
+#include "xran_fh_lls_cu.h"
+#include "xran_pkt_cp.h"
+
+/* Error Codes
+ * For errors and exceptions, all values will be negative */
+enum xran_errcodes {
+ XRAN_ERRCODE_OK = 0,
+ XRAN_ERRCODE_INVALIDPARAM,
+ XRAN_ERRCODE_OUTOFMEMORY,
+ XRAN_ERRCODE_FAILTOSEND,
+ XRAN_ERRCODE_INVALIDPACKET,
+ XRAN_ERRCODE_MAX
+ };
+
+/** Control Plane section types, defined in 5.4 Table 5.1 */
+enum xran_cp_sectiontype {
+ XRAN_CP_SECTIONTYPE_0 = 0, /**< Unused RB or Symbols in DL or UL, not supported */
+ XRAN_CP_SECTIONTYPE_1 = 1, /**< Most DL/UL Radio Channels */
+ XRAN_CP_SECTIONTYPE_3 = 3, /**< PRACH and Mixed-numerology Channels */
+ XRAN_CP_SECTIONTYPE_5 = 5, /**< UE scheduling information, not supported */
+ XRAN_CP_SECTIONTYPE_6 = 6, /**< Channel Information, not supported */
+ XRAN_CP_SECTIONTYPE_7 = 7, /**< LAA, not supported */
+ XRAN_CP_SECTIONTYPE_MAX
+ };
+
+/** Filter index, defined in 5.4.4.3 */
+enum xran_cp_filterindex {
+ XRAN_FILTERINDEX_STANDARD = 0, /**< UL filter for standard channel */
+ XRAN_FILTERINDEX_PRACH_012 = 1, /**< UL filter for PRACH preamble format 0, 1, 2 */
+ XRAN_FILTERINDEX_PRACH_3 = 2, /**< UL filter for PRACH preamble format 3 */
+ XRAN_FILTERINDEX_PRACH_ABC = 3, /**< UL filter for PRACH preamble format A1~3, B1~4, C0, C2 */
+ XRAN_FILTERINDEX_NPRACH = 4, /**< UL filter for NPRACH */
+ XRAN_FILTERINDEX_MAX
+ };
+
+/** Maximum Slot Index, defined in 5.4.4.6 */
+#define XRAN_SLOTID_MAX 16
+
+/** FFT size in frame structure, defined in 5.4.4.13 Table 5.9 */
+enum xran_cp_fftsize {
+ XRAN_FFTSIZE_128 = 7, /* 128 */
+ XRAN_FFTSIZE_256 = 8, /* 256 */
+ XRAN_FFTSIZE_512 = 9, /* 512 */
+ XRAN_FFTSIZE_1024 = 10, /* 1024 */
+ XRAN_FFTSIZE_2048 = 11, /* 2048 */
+ XRAN_FFTSIZE_4096 = 12, /* 4096 */
+ XRAN_FFTSIZE_1536 = 13, /* 1536 */
+ XRAN_FFTSIZE_MAX
+ };
+
+/** Sub-carrier spacing, defined in 5.4.4.13 Table 5.10 */
+enum xran_cp_subcarrierspacing { /*3GPP u, SCS, Nslot, Slot len */
+ XRAN_SCS_15KHZ = 0, /* 0, 15kHz, 1, 1ms */
+ XRAN_SCS_30KHZ = 1, /* 1, 30kHz, 2, 500us */
+ XRAN_SCS_60KHZ = 2, /* 2, 60kHz, 4, 250us */
+ XRAN_SCS_120KHZ = 3, /* 3, 120kHz, 8, 125us */
+ XRAN_SCS_240KHZ = 4, /* 4, 240kHz, 16, 62.5us */
+ XRAN_SCS_1P25KHZ = 12, /* NA, 1.25kHz, 1, 1ms */
+ XRAN_SCS_3P75KHZ = 13, /* NA, 3.75kHz, 1, 1ms */
+ XRAN_SCS_5KHZ = 14, /* NA, 5kHz, 1, 1ms */
+ XRAN_SCS_7P5KHZ = 15, /* NA, 7.5kHz, 1, 1ms */
+ XRAN_SCS_MAX
+ };
+
+/** Resource block indicator, defined in 5.4.5.2 */
+enum xran_cp_rbindicator {
+ XRAN_RBIND_EVERY = 0, /**< every RB used */
+ XRAN_RBIND_EVERYOTHER = 1, /**< every other RB used */
+ XRAN_RBIND_MAX
+ };
+
+/** Symbol number increment command, defined in 5.4.5.3 */
+enum xran_cp_symbolnuminc {
+ XRAN_SYMBOLNUMBER_NOTINC = 0, /**< do not increment the current symbol number */
+ XRAN_SYMBOLNUMBER_INC = 1, /**< increment the current symbol number and use that */
+ XRAN_SYMBOLNUMBER_INC_MAX
+ };
+
+/** Minimum number of symbols, defined in 5.4.5.7 */
+#define XRAN_SYMBOLNUMBER_MIN 1
+/** Maximum number of symbols, defined in 5.4.5.7 */
+#define XRAN_SYMBOLNUMBER_MAX 14
+
+/* LAA message type 5.4.5.14 Table 5.11, not supported */
+#define XRAN_LAAMSGTYPE_LBT_PDSCH_REQ 0
+#define XRAN_LAAMSGTYPE_LBT_DRS_REQ 1
+#define XRAN_LAAMSGTYPE_LBT_PDSCH_RSP 2
+#define XRAN_LAAMSGTYPE_LBT_DRS_RSP 3
+#define XRAN_LAAMSGTYPE_LBT_BUFFER_ERROR 4
+#define XRAN_LAAMSGTYPE_LBT_CWCONFIG_REQ 5
+#define XRAN_LAAMSGTYPE_LBT_CWCONFIG_RSP 6
+
+#define XRAN_LBTMODE_FULL 0
+#define XRAN_LBTMODE_PARTIAL25 1
+#define XRAN_LBTMODE_PARTIAL34 2
+#define XRAN_LBTMODE_FULLSTOP 3
+
+/**
+ * This structure contains the information to generate the section body of C-Plane message */
+struct xran_section_info {
+ /* section type bit- */
+ /* 0 1 3 5 6 7 length */
+ uint16_t id; /* X X X X X 12bits */
+ uint8_t rb; /* X X X X X 1bit */
+ uint8_t symInc; /* X X X X X 1bit */
+ uint16_t startPrbc; /* X X X X X 10bits */
+ uint8_t numPrbc; /* X X X X X 8bits */
+ uint8_t numSymbol; /* X X X X 4bits */
+ uint16_t reMask; /* X X X X 12bits */
+ uint16_t beamId; /* X X 15bits */
+ uint16_t ueId; /* X X 15bits */
+ uint16_t regFactor; /* X 16bits */
+ int32_t freqOffset; /* X 24bits */
+ uint8_t ef; /* X X X X 1bit */
+
+ uint8_t type; /* type of this section */
+ uint16_t pad0;
+ };
+
+/**
+ * This structure contains the information to generate the section header of C-Plane message */
+struct xran_cp_header_params {
+ // common parameters
+ uint8_t filterIdx;
+ uint8_t frameId;
+ uint8_t subframeId;
+ uint8_t slotId;
+ uint8_t startSymId;
+ /* section type bit- */
+ /* 0 1 3 5 6 7 length */
+ uint8_t fftSize; /* X X 4bits */
+ uint8_t scs; /* X X 4bits */
+ uint8_t iqWidth; /* X X X 4bits */
+ uint8_t compMeth; /* X X X 4bits */
+ uint8_t numUEs; /* X 8bits */
+ uint16_t timeOffset; /* X X 16bits */
+ uint16_t cpLength; /* X X 16bits */
+ };
+
+/**
+ * This structure to hold the information to generate the sections of C-Plane message */
+struct xran_section_gen_info {
+ struct xran_section_info info; /**< The information for section */
+
+ uint32_t exDataSize;
+ /**< Extension or type 6/7 data size, not supported */
+ void *exData;
+ /*(< The pointer to the extension or type 6/7 data, not supported */
+ };
+
+/**
+ * This structure to hold the information to generate a C-Plane message */
+struct xran_cp_gen_params {
+ uint8_t dir; /**< UL or DL */
+ uint8_t sectionType; /**< each section must have same type with this */
+ uint16_t numSections; /**< the number of sections to generate */
+
+ struct xran_cp_header_params hdr;
+ /**< The information for C-Plane message header */
+ struct xran_section_gen_info *sections;
+ /**< Array of the section information */
+ };
+
+
+uint16_t xran_get_cplength(int cpLength, int uval);
+int32_t xran_get_freqoffset(int freqOffset, int scs);
+
+int xran_prepare_ctrl_pkt(struct rte_mbuf *mbuf,
+ struct xran_cp_gen_params *params,
+ uint8_t CC_ID, uint8_t Ant_ID,
+ uint8_t seq_id);
+
+int xran_cp_init_sectiondb(void *pHandle);
+int xran_cp_free_sectiondb(void *pHandle);
+int xran_cp_add_section_info(void *pHandle,
+ uint8_t dir, uint8_t cc_id, uint8_t ruport_id,
+ uint8_t subframe_id, uint8_t slot_id,
+ struct xran_section_info *info);
+struct xran_section_info *xran_cp_find_section_info(void *pHandle,
+ uint8_t dir, uint8_t cc_id, uint8_t ruport_id,
+ uint8_t subframe_id, uint8_t slot_id,
+ uint16_t section_id);
+struct xran_section_info *xran_cp_iterate_section_info(void *pHandle,
+ uint8_t dir, uint8_t cc_id, uint8_t ruport_id,
+ uint8_t subframe_id, uint8_t slot_id, uint32_t *next);
+int xran_cp_getsize_section_info(void *pHandle, uint8_t dir, uint8_t cc_id, uint8_t ruport_id);
+int xran_cp_reset_section_info(void *pHandle, uint8_t dir, uint8_t cc_id, uint8_t ruport_id);
+
+#endif /* _XRAN_CP_API_H_ */