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openairinterface5g/openair2/LAYER2/MAC/mac.h
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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (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.openairinterface.org/?page_id=698
*
* 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.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file mac.h
* \brief MAC data structures, constant, and function prototype
* \author Navid Nikaein and Raymond Knopp
* \date 2011
* \version 0.5
* \email navid.nikaein@eurecom.fr
*/
/** @defgroup _oai2 openair2 Reference Implementation
* @ingroup _ref_implementation_
* @{
*/
/**@}*/
#ifndef __LAYER2_MAC_DEFS_H__
#define __LAYER2_MAC_DEFS_H__
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "common/platform_constants.h"
#include "LTE_BCCH-BCH-Message.h"
#include "LTE_RadioResourceConfigCommon.h"
#include "LTE_RadioResourceConfigCommonSIB.h"
#include "LTE_RadioResourceConfigDedicated.h"
#include "LTE_MeasGapConfig.h"
#include "LTE_SchedulingInfoList.h"
#include "LTE_TDD-Config.h"
#include "LTE_RACH-ConfigCommon.h"
#include "LTE_MeasObjectToAddModList.h"
#include "LTE_MobilityControlInfo.h"
#include "LTE_MBSFN-AreaInfoList-r9.h"
#include "LTE_MBSFN-SubframeConfigList.h"
#include "LTE_MBSFNAreaConfiguration-r9.h"
#include "LTE_PMCH-InfoList-r9.h"
#include "LTE_SCellToAddMod-r10.h"
#include "LTE_SystemInformationBlockType1-v1310-IEs.h"
#include "LTE_SystemInformationBlockType18-r12.h"
#include "LTE_BCCH-BCH-Message-MBMS.h"
#include "LTE_BCCH-DL-SCH-Message-MBMS.h"
#include "LTE_SystemInformationBlockType1-MBMS-r14.h"
#include "LTE_NonMBSFN-SubframeConfig-r14.h"
#include "LTE_RadioResourceConfigCommonSIB.h"
#include "nfapi_interface.h"
#include "PHY_INTERFACE/IF_Module.h"
#include "time_meas.h"
#include "PHY/defs_common.h" // for PRACH_RESOURCES_t
#include "PHY/LTE_TRANSPORT/transport_common.h"
#include "radio/COMMON/common_lib.h"
/** @defgroup _mac MAC
* @ingroup _oai2
* @{
*/
#define MAX_MAC_INST 16
#define BCCH_PAYLOAD_SIZE_MAX 128
#define CCCH_PAYLOAD_SIZE_MAX 512
#define PCCH_PAYLOAD_SIZE_MAX 128
#define RAR_PAYLOAD_SIZE_MAX 128
#define SCH_PAYLOAD_SIZE_MAX 8192
#define DCH_PAYLOAD_SIZE_MAX 4096
/// Logical channel ids from 36-311 (Note BCCH is not specified in 36-311, uses the same as first DRB)
// Mask for identifying subframe for MBMS
#define MBSFN_TDD_SF3 0x80 // for TDD
#define MBSFN_TDD_SF4 0x40
#define MBSFN_TDD_SF7 0x20
#define MBSFN_TDD_SF8 0x10
#define MBSFN_TDD_SF9 0x08
#define MBSFN_FDD_SF1 0x80 // for FDD
#define MBSFN_FDD_SF2 0x40
#define MBSFN_FDD_SF3 0x20
#define MBSFN_FDD_SF6 0x10
#define MBSFN_FDD_SF7 0x08
#define MBSFN_FDD_SF8 0x04
#define MAX_MBSFN_AREA 8
#define MAX_PMCH_perMBSFN 15
/*!\brief MAX MCCH payload size */
#define MCCH_PAYLOAD_SIZE_MAX 128
//#define MCH_PAYLOAD_SIZE_MAX 16384// this value is using in case mcs and TBS index are hi
#define printk printf
/*!\brief Maximum number of logical channl group IDs */
#define MAX_NUM_LCGID 4
/*!\brief logical channl group ID 0 */
#define LCGID0 0
/*!\brief logical channl group ID 1 */
#define LCGID1 1
/*!\brief logical channl group ID 2 */
#define LCGID2 2
/*!\brief logical channl group ID 3 */
#define LCGID3 3
/*!\brief Maximum number of logical chanels */
#define MAX_NUM_LCID 11
/*!\brief Maximum number od control elemenets */
#define MAX_NUM_CE 5
/*!\brief Maximum number of random access process */
#define NB_RA_PROC_MAX 4
/*!\brief size of buffer status report table */
#define BSR_TABLE_SIZE 64
/*!\brief The power headroom reporting range is from -23 ...+40 dB and beyond, with step 1 */
#define PHR_MAPPING_OFFSET 23 // if ( x>= -23 ) val = floor (x + 23)
/*!\brief maximum number of resource block groups */
#define N_RBG_MAX 25 // for 20MHz channel BW
/*!\brief minimum value for channel quality indicator */
#define MIN_CQI_VALUE 0
/*!\brief maximum value for channel quality indicator */
#define MAX_CQI_VALUE 15
/*!\brief maximum number of supported bandwidth (1.4, 5, 10, 20 MHz) */
#define MAX_SUPPORTED_BW 4
/*!\brief CQI values range from 1 to 15 (4 bits) */
#define CQI_VALUE_RANGE 16
/*!\brief Hysteresis of PUSCH power control loop */
#define PUSCH_PCHYST 1
/*!\brief Hysteresis of PUCCH power control loop */
#define PUCCH_PCHYST 1
/*!\brief value for indicating BSR Timer is not running */
#define MAC_UE_BSR_TIMER_NOT_RUNNING (0xFFFF)
#define LCID_EMPTY 0
#define LCID_NOT_EMPTY 1
/*!\brief minimum RLC PDU size to be transmitted = min RLC Status PDU or RLC UM PDU SN 5 bits */
#define MIN_RLC_PDU_SIZE (2)
/*!\brief minimum MAC data needed for transmitting 1 min RLC PDU size + 1 byte MAC subHeader */
#define MIN_MAC_HDR_RLC_SIZE (1 + MIN_RLC_PDU_SIZE)
#define U_PLANE_INACTIVITY_VALUE 0 /* defined 10ms order (zero means infinity) */
static const int cqi_to_mcs[16]= {0, 0, 1, 2, 4, 6, 8, 11, 13, 16, 18, 20, 23, 25, 27, 28};
/*
* eNB part
*/
/*
* UE/ENB common part
*/
/*!\brief MAC header of Random Access Response for Random access preamble identifier (RAPID) */
typedef struct {
uint8_t RAPID:6;
uint8_t T:1;
uint8_t E:1;
} __attribute__ ((__packed__)) RA_HEADER_RAPID;
/*!\brief MAC header of Random Access Response for backoff indicator (BI)*/
typedef struct {
uint8_t BI:4;
uint8_t R:2;
uint8_t T:1;
uint8_t E:1;
} __attribute__ ((__packed__)) RA_HEADER_BI;
/*
typedef struct {
uint64_t padding:16;
uint64_t t_crnti:16;
uint64_t hopping_flag:1;
uint64_t rb_alloc:10;
uint64_t mcs:4;
uint64_t TPC:3;
uint64_t UL_delay:1;
uint64_t cqi_req:1;
uint64_t Timing_Advance_Command:11; // first/2nd octet LSB
uint64_t R:1; // octet MSB
} __attribute__((__packed__))RAR_PDU;
typedef struct {
uint64_t padding:16;
uint64_t R:1; // octet MSB
uint64_t Timing_Advance_Command:11; // first/2nd octet LSB
uint64_t cqi_req:1;
uint64_t UL_delay:1;
uint64_t TPC:3;
uint64_t mcs:4;
uint64_t rb_alloc:10;
uint64_t hopping_flag:1;
uint64_t t_crnti:16;
} __attribute__((__packed__))RAR_PDU;
#define sizeof_RAR_PDU 6
*/
/*!\brief MAC subheader short with 7bit Length field */
typedef struct {
uint8_t LCID:5; // octet 1 LSB
uint8_t E:1;
uint8_t R:2; // octet 1 MSB
uint8_t L:7; // octet 2 LSB
uint8_t F:1; // octet 2 MSB
} __attribute__ ((__packed__)) SCH_SUBHEADER_SHORT;
/*!\brief MAC subheader long with 15bit Length field */
typedef struct {
uint8_t LCID:5; // octet 1 LSB
uint8_t E:1;
uint8_t R:2; // octet 1 MSB
uint8_t L_MSB:7;
uint8_t F:1; // octet 2 MSB
uint8_t L_LSB:8;
uint8_t padding;
} __attribute__ ((__packed__)) SCH_SUBHEADER_LONG;
/*!\brief MAC subheader short without length field */
typedef struct {
uint8_t LCID:5;
uint8_t E:1;
uint8_t R:2;
} __attribute__ ((__packed__)) SCH_SUBHEADER_FIXED;
/*!\brief MAC subheader long with 24bit DST field */
typedef struct {
uint8_t R0:4;
uint8_t V:4;//Version number: Possible values "0001", "0010", "0011" based on TS36.321 section 6.2.3.
uint8_t SRC07; //Prose UE source ID. Size 24 bits.
uint8_t SRC815; //Prose UE source ID. Size 24 bits.
uint8_t SRC1623; //Prose UE source ID. Size 24 bits.
uint8_t DST07; //Prose UE destination ID. Size 24 bits.
uint8_t DST815; //Prose UE destination ID. Size 24 bits.
uint8_t DST1623; //Prose UE destination ID. Size 24 bits.
uint8_t LCID:5;
uint8_t E:1;
uint8_t R1:2;
uint8_t L:7; // Length field indicating the size of the corresponding SDU in bytes.
uint8_t F:1;
} __attribute__((__packed__))SLSCH_SUBHEADER_24_Bit_DST_SHORT;
/*!\brief MAC subheader long with 24bit DST field */
typedef struct {
uint8_t R0:4;
uint8_t V:4;//Version number: Possible values "0001", "0010", "0011" based on TS36.321 section 6.2.3.
uint8_t SRC07; //Prose UE source ID. Size 24 bits.
uint8_t SRC815; //Prose UE source ID. Size 24 bits.
uint8_t SRC1623; //Prose UE source ID. Size 24 bits.
uint8_t DST07; //Prose UE destination ID. Size 24 bits.
uint8_t DST815; //Prose UE destination ID. Size 24 bits.
uint8_t DST1623; //Prose UE destination ID. Size 24 bits.
uint8_t LCID:5;
uint8_t E:1;
uint8_t R1:2;
uint8_t L_MSB:7; // Length field indicating the size of the corresponding SDU in bytes.
uint8_t F:1;
uint8_t L_LSB:8;
} __attribute__((__packed__))SLSCH_SUBHEADER_24_Bit_DST_LONG;
/*!\brief MAC subheader long with 24bit DST field */
typedef struct {
uint8_t R0:4;
uint8_t V:4;//Version number: Possible values "0001", "0010", "0011" based on TS36.321 section 6.2.3.
uint8_t SRC07; //Prose UE source ID. Size 24 bits.
uint8_t SRC815; //Prose UE source ID. Size 24 bits.
uint8_t DST07; //Prose UE destination ID. Size 16 bits.
uint8_t DST815; //Prose UE destination ID. Size 16 bits.
uint8_t LCID:5;
uint8_t E:1;
uint8_t R1:2;
uint8_t L:7; // Length field indicating the size of the corresponding SDU in bytes.
uint8_t F:1;
} __attribute__((__packed__))SLSCH_SUBHEADER_16_Bit_DST_SHORT;
/*!\brief MAC subheader long with 24bit DST field */
typedef struct {
uint8_t R0:4;
uint8_t V:4;//Version number: Possible values "0001", "0010", "0011" based on TS36.321 section 6.2.3.
uint8_t SRC07; //Prose UE source ID. Size 24 bits.
uint8_t SRC815; //Prose UE source ID. Size 24 bits.
uint8_t SRC1623; //Prose UE source ID. Size 24 bits.
uint8_t DST07; //Prose UE destination ID. Size 16 bits.
uint8_t DST815; //Prose UE destination ID. Size 16 bits.
uint8_t LCID:5;
uint8_t E:1;
uint8_t R1:2;
uint8_t L_MSB:7; // Length field indicating the size of the corresponding SDU in bytes.
uint8_t F:1;
uint8_t L_LSB:8;
} __attribute__((__packed__))SLSCH_SUBHEADER_16_Bit_DST_LONG;
/*!\brief mac control element: short buffer status report for a specific logical channel group ID*/
typedef struct {
uint8_t Buffer_size:6; // octet 1 LSB
uint8_t LCGID:2; // octet 1 MSB
} __attribute__ ((__packed__)) BSR_SHORT;
typedef BSR_SHORT BSR_TRUNCATED;
/*!\brief mac control element: long buffer status report for all logical channel group ID*/
typedef struct {
uint8_t Buffer_size3:6;
uint8_t Buffer_size2:6;
uint8_t Buffer_size1:6;
uint8_t Buffer_size0:6;
} __attribute__ ((__packed__)) BSR_LONG;
/*!\brief mac control element: sidelink buffer status report */
typedef struct {
uint8_t DST_1:4;
uint8_t LCGID_1: 2;
uint8_t Buffer_size_1:6;
uint8_t DST_2:4;
uint8_t LCGID_2: 2;
uint8_t Buffer_size_2:6;
} __attribute__((__packed__))SL_BSR;
/*!\brief mac control element: truncated sidelink buffer status report */
typedef struct {
uint8_t DST:4;
uint8_t LCGID: 2;
uint8_t Buffer_size:6;
uint8_t R1:1;
uint8_t R2:1;
uint8_t R3:1;
uint8_t R4:1;
} __attribute__((__packed__))SL_BSR_Truncated;
#define BSR_LONG_SIZE (sizeof(BSR_LONG))
/*!\brief mac control element: timing advance */
typedef struct {
uint8_t TA:6;
uint8_t R:2;
} __attribute__ ((__packed__)) TIMING_ADVANCE_CMD;
/*!\brief mac control element: power headroom report */
typedef struct {
uint8_t PH:6;
uint8_t R:2;
} __attribute__ ((__packed__)) POWER_HEADROOM_CMD;
/*! \brief MIB payload */
typedef struct {
uint8_t payload[3];
} __attribute__ ((__packed__)) MIB_PDU;
/*! \brief CCCH payload */
typedef struct {
uint8_t payload[CCCH_PAYLOAD_SIZE_MAX];
} __attribute__ ((__packed__)) CCCH_PDU;
/*! \brief BCCH payload */
typedef struct {
uint8_t payload[BCCH_PAYLOAD_SIZE_MAX];
} __attribute__ ((__packed__)) BCCH_PDU;
/*! \brief RAR payload */
typedef struct {
uint8_t payload[RAR_PAYLOAD_SIZE_MAX];
} __attribute__ ((__packed__)) RAR_PDU;
/*! \brief BCCH payload */
typedef struct {
uint8_t payload[PCCH_PAYLOAD_SIZE_MAX];
} __attribute__ ((__packed__)) PCCH_PDU;
/*! \brief MCCH payload */
typedef struct {
uint8_t payload[MCCH_PAYLOAD_SIZE_MAX];
} __attribute__ ((__packed__)) MCCH_PDU;
/*!< \brief MAC control element for activation and deactivation of component carriers */
typedef struct {
uint8_t C7:1; /*!< \brief Component carrier 7 */
uint8_t C6:1; /*!< \brief Component carrier 6 */
uint8_t C5:1; /*!< \brief Component carrier 5 */
uint8_t C4:1; /*!< \brief Component carrier 4 */
uint8_t C3:1; /*!< \brief Component carrier 3 */
uint8_t C2:1; /*!< \brief Component carrier 2 */
uint8_t C1:1; /*!< \brief Component carrier 1 */
uint8_t R:1; /*!< \brief Reserved */
} __attribute__ ((__packed__)) CC_ELEMENT;
/*! \brief MAC control element: MCH Scheduling Information */
typedef struct {
uint8_t stop_sf_MSB:3; // octet 1 LSB
uint8_t lcid:5; // octet 2 MSB
uint8_t stop_sf_LSB:8;
} __attribute__ ((__packed__)) MSI_ELEMENT;
/*! \brief Values of CCCH LCID for DLSCH */
#define CCCH_LCHANID 0
/*!\brief Values of BCCH logical channel (fake)*/
#define BCCH 3 // SI
/*!\brief Values of PCCH logical channel (fake)*/
#define PCCH 4 // Paging
/*!\brief Values of PCCH logical channel (fake) */
#define MIBCH 5 // MIB
/*!\brief Values of BCCH SIB1_BR logical channel (fake) */
#define BCCH_SIB1_BR 6 // SIB1_BR
/*!\brief Values of BCCH SIB_BR logical channel (fake) */
#define BCCH_SI_BR 7 // SI-BR
/*!\brief Values of BCCH SIB1_MBMS logical channel (fake) */
#define MIBCH_MBMS 10 // SIB1_MBMS //TODO better armonize index
#define BCCH_SIB1_MBMS 12 // SIB1_MBMS //TODO better armonize index
/*!\brief Values of BCCH SI_MBMS logical channel (fake) */
#define BCCH_SI_MBMS 13 // SIB_MBMS //TODO better armonize index
#define MCCH_COUNTING 14
/*!\brief Value of CCCH / SRB0 logical channel */
#define CCCH 0 // srb0
/*!\brief DCCH / SRB1 logical channel */
#define DCCH 1 // srb1
/*!\brief DCCH1 / SRB2 logical channel */
#define DCCH1 2 // srb2
/*!\brief DTCH DRB1 logical channel */
#define DTCH 3 // LCID
/*!\brief MCCH logical channel */
//#define MCCH 4
//#define MCCH 62
#define MCCH 11
/*!\brief MTCH logical channel */
#define MTCH 1
// DLSCH LCHAN ID
/*!\brief LCID of UE contention resolution identity for DLSCH*/
#define UE_CONT_RES 28
/*!\brief LCID of timing advance for DLSCH */
#define TIMING_ADV_CMD 29
/*!\brief LCID of discontinous reception mode for DLSCH */
#define DRX_CMD 30
/*!\brief LCID of padding LCID for DLSCH */
#define SHORT_PADDING 31
// MCH LCHAN IDs (table6.2.1-4 TS36.321)
/*!\brief LCID of MCCH for DL */
#define MCCH_LCHANID 0
/*!\brief LCID of MCH scheduling info for DL */
#define MCH_SCHDL_INFO 30
/*!\brief LCID of Carrier component activation/deactivation */
#define CC_ACT_DEACT 27
//TTN (for D2D)
#define SL_DISCOVERY 8 //LCID (fake)
#define MAX_NUM_DEST 10
// ULSCH LCHAN IDs
/*!\brief LCID of extended power headroom for ULSCH */
#define EXTENDED_POWER_HEADROOM 25
/*!\brief LCID of power headroom for ULSCH */
#define POWER_HEADROOM 26
/*!\brief LCID of CRNTI for ULSCH */
#define CRNTI 27
/*!\brief LCID of truncated BSR for ULSCH */
#define TRUNCATED_BSR 28
/*!\brief LCID of short BSR for ULSCH */
#define SHORT_BSR 29
/*!\brief LCID of long BSR for ULSCH */
#define LONG_BSR 30
#define BSR_TRIGGER_NONE (0) /* No BSR Trigger */
#define BSR_TRIGGER_REGULAR (1) /* For Regular and ReTxBSR Expiry Triggers */
#define BSR_TRIGGER_PERIODIC (2) /* For BSR Periodic Timer Expiry Trigger */
#define BSR_TRIGGER_PADDING (4) /* For Padding BSR Trigger */
/*! \brief Downlink SCH PDU Structure */
typedef struct {
uint8_t payload[8][SCH_PAYLOAD_SIZE_MAX];
uint16_t Pdu_size[8];
} __attribute__ ((__packed__)) DLSCH_PDU;
/*! \brief MCH PDU Structure */
typedef struct {
int8_t payload[SCH_PAYLOAD_SIZE_MAX];
uint16_t Pdu_size;
uint8_t mcs;
uint8_t sync_area;
uint8_t msi_active;
uint8_t mcch_active;
uint8_t mtch_active;
} __attribute__ ((__packed__)) MCH_PDU;
/*! \brief Uplink SCH PDU Structure */
typedef struct {
uint8_t payload[SCH_PAYLOAD_SIZE_MAX]; /*!< \brief SACH payload */
uint16_t Pdu_size;
} __attribute__ ((__packed__)) ULSCH_PDU;
/*! \brief Uplink SCH PDU Structure */
typedef struct {
int8_t payload[DCH_PAYLOAD_SIZE_MAX]; /*!< \brief SACH payload */
uint16_t Pdu_size;
} __attribute__ ((__packed__)) ULDCH_PDU;
/*!\brief RA process state*/
typedef enum { IDLE = 0, MSG2, WAITMSG3, MSG4, WAITMSG4ACK, MSGCRNTI, MSGCRNTI_ACK } RA_state;
/*!\brief UE DLSCH scheduling states*/
typedef enum { S_DL_NONE = 0, S_DL_SCHEDULED } UE_DLSCH_STATUS;
/*!\brief scheduler mode */
typedef enum {
SCHED_MODE_DEFAULT = 0, /// default cheduler
SCHED_MODE_FAIR_RR /// fair raund robin
} SCHEDULER_MODES;
/*! \brief temp struct for DLSCH sched */
typedef struct {
UE_DLSCH_STATUS status;
} eNB_DLSCH_INFO;
/*! \brief eNB overall statistics */
typedef struct {
/// num BCCH PDU per CC
uint32_t total_num_bcch_pdu;
/// BCCH buffer size
uint32_t bcch_buffer;
/// total BCCH buffer size
uint32_t total_bcch_buffer;
/// BCCH MCS
uint32_t bcch_mcs;
/// num CCCH PDU per CC
uint32_t total_num_ccch_pdu;
/// BCCH buffer size
uint32_t ccch_buffer;
/// total BCCH buffer size
uint32_t total_ccch_buffer;
/// BCCH MCS
uint32_t ccch_mcs;
/// num PCCH PDU per CC
uint32_t total_num_pcch_pdu;
/// PCCH buffer size
uint32_t pcch_buffer;
/// total PCCH buffer size
uint32_t total_pcch_buffer;
/// BCCH MCS
uint32_t pcch_mcs;
/// num active users
uint16_t num_dlactive_UEs;
/// available number of PRBs for a give SF
uint16_t available_prbs;
/// total number of PRB available for the user plane
uint32_t total_available_prbs;
/// aggregation
/// total avilable nccc : num control channel element
uint16_t available_ncces;
// only for a new transmission, should be extended for retransmission
// current dlsch bit rate for all transport channels
uint32_t dlsch_bitrate;
//
uint32_t dlsch_bytes_tx;
//
uint32_t dlsch_pdus_tx;
//
uint32_t total_dlsch_bitrate;
//
uint32_t total_dlsch_bytes_tx;
//
uint32_t total_dlsch_pdus_tx;
// here for RX
//
uint32_t ulsch_rounds[4];
uint32_t ulsch_bitrate;
//
uint32_t ulsch_bytes_rx;
//
uint64_t ulsch_pdus_rx;
uint32_t total_ulsch_bitrate;
//
uint32_t total_ulsch_bytes_rx;
//
uint32_t total_ulsch_pdus_rx;
/// MAC agent-related stats
/// total number of scheduling decisions
int sched_decisions;
/// missed deadlines
int missed_deadlines;
} eNB_STATS;
/*! \brief eNB statistics for the connected UEs*/
typedef struct {
/// CRNTI of UE
rnti_t crnti; ///user id (rnti) of connected UEs
// rrc status
uint8_t rrc_status;
/// harq pid
uint8_t harq_pid;
/// harq rounf
uint8_t harq_round;
/// total available number of PRBs for a new transmission
uint16_t rbs_used;
/// total available number of PRBs for a retransmission
uint16_t rbs_used_retx;
/// total nccc used for a new transmission: num control channel element
uint16_t ncce_used;
/// total avilable nccc for a retransmission: num control channel element
uint16_t ncce_used_retx;
// mcs1 before the rate adaptaion
uint8_t dlsch_mcs1;
/// Target mcs2 after rate-adaptation
uint8_t dlsch_mcs2;
// current TBS with mcs2
uint32_t TBS;
// total TBS with mcs2
// uint32_t total_TBS;
// total rb used for a new transmission
uint32_t total_rbs_used;
// total rb used for retransmission
uint32_t total_rbs_used_retx;
/// TX
/// Num pkt
uint32_t num_pdu_tx[NB_RB_MAX];
/// num bytes
uint32_t num_bytes_tx[NB_RB_MAX];
/// num retransmission / harq
uint32_t num_retransmission;
/// instantaneous tx throughput for each TTI
// uint32_t tti_throughput[NB_RB_MAX];
// Number of received MAC SDU
uint32_t num_mac_sdu_tx;
// LCID related to SDU
unsigned char lcid_sdu[NB_RB_MAX];
// Length of SDU Got from LC DL
uint32_t sdu_length_tx[NB_RB_MAX];
int lc_bytes_tx[64];
int dlsch_rounds[8];
int dlsch_errors;
int dlsch_total_bytes;
int lc_bytes_rx[64];
int ulsch_rounds[8];
int ulsch_errors;
int ulsch_total_bytes_scheduled;
int ulsch_total_bytes_rx;
/// overall
//
uint32_t dlsch_bitrate;
//total
uint32_t total_dlsch_bitrate;
/// headers+ CE + padding bytes for a MAC PDU
uint64_t overhead_bytes;
/// headers+ CE + padding bytes for a MAC PDU
uint64_t total_overhead_bytes;
/// headers+ CE + padding bytes for a MAC PDU
uint64_t avg_overhead_bytes;
// MAC multiplexed payload
uint64_t total_sdu_bytes;
// total MAC pdu bytes
uint64_t total_pdu_bytes;
// total num pdu
uint32_t total_num_pdus;
//
// uint32_t avg_pdu_size;
/// RX
/// PUCCH1a/b power (dBm)
int32_t Po_PUCCH_dBm;
/// Indicator that Po_PUCCH has been updated by PHY
int32_t Po_PUCCH_update;
/// Uplink measured RSSI
int32_t UL_rssi;
/// preassigned mcs after rate adaptation
uint8_t ulsch_mcs1;
/// adjusted mcs
uint8_t ulsch_mcs2;
/// estimated average pdu inter-departure time
uint32_t avg_pdu_idt;
/// estimated average pdu size
uint32_t avg_pdu_ps;
///
uint32_t aggregated_pdu_size;
uint32_t aggregated_pdu_arrival;
/// uplink transport block size
uint32_t ulsch_TBS;
uint32_t total_ulsch_TBS;
/// total rb used for a new uplink transmission
uint32_t num_retransmission_rx;
/// total rb used for a new uplink transmission
uint32_t rbs_used_rx;
/// total rb used for a new uplink retransmission
uint32_t rbs_used_retx_rx;
/// total rb used for a new uplink transmission
uint32_t total_rbs_used_rx;
/// snr
int32_t snr;
/// target snr
int32_t target_snr;
/// num rx pdu
uint32_t num_pdu_rx[NB_RB_MAX];
/// num bytes rx
uint32_t num_bytes_rx[NB_RB_MAX];
/// instantaneous rx throughput for each TTI
// uint32_t tti_goodput[NB_RB_MAX];
/// errors
uint32_t num_errors_rx;
uint64_t overhead_bytes_rx;
/// headers+ CE + padding bytes for a MAC PDU
uint64_t total_overhead_bytes_rx;
/// headers+ CE + padding bytes for a MAC PDU
uint64_t avg_overhead_bytes_rx;
//
uint32_t ulsch_bitrate;
//total
uint32_t total_ulsch_bitrate;
/// overall
/// MAC pdu bytes
uint64_t pdu_bytes_rx;
/// total MAC pdu bytes
uint64_t total_pdu_bytes_rx;
/// total num pdu
uint32_t total_num_pdus_rx;
/// num of error pdus
uint32_t total_num_errors_rx;
// Number of error PDUS
uint32_t num_mac_sdu_rx;
// Length of SDU Got from LC UL - Size array can be refined
uint32_t sdu_length_rx[NB_RB_MAX];
} eNB_UE_STATS;
/*! \brief eNB template for UE context information */
typedef struct {
/// C-RNTI of UE
rnti_t rnti;
/// NDI from last scheduling
uint8_t oldNDI[8];
/// mcs1 from last scheduling
uint8_t oldmcs1[8];
/// mcs2 from last scheduling
uint8_t oldmcs2[8];
/// NDI from last UL scheduling
uint8_t oldNDI_UL[8];
/// mcs from last UL scheduling
uint8_t mcs_UL[8];
/// TBS from last UL scheduling
int TBS_UL[8];
/// Flag to indicate UL has been scheduled at least once
bool ul_active;
/// Flag to indicate UE has been configured (ACK from RRCConnectionSetup received)
bool configured;
/// MCS from last scheduling
uint8_t mcs[8];
/// TPC from last scheduling
uint8_t oldTPC[8];
// PHY interface info
/// Number of Allocated RBs for DL after scheduling (prior to frequency allocation)
uint16_t nb_rb[8]; // num_max_harq
/// Number of Allocated RBs for UL after scheduling
uint16_t nb_rb_ul[8]; // num_max_harq
/// Number of Allocated RBs for UL after scheduling
uint16_t first_rb_ul[8]; // num_max_harq
/// Is CQI requested for UL after scheduling 1st transmission
uint8_t cqi_req[8]; // num_max_harq
/// Cyclic shift for DMRS after scheduling
uint16_t cshift[8]; // num_max_harq
/// Number of Allocated RBs by the ulsch preprocessor
uint8_t pre_allocated_nb_rb_ul;
/// Start of Allocated RBs by the USLCH preprocessor
uint8_t pre_first_nb_rb_ul;
/// index of Allocated RBs by the ulsch preprocessor
int8_t pre_allocated_rb_table_index_ul;
/// index of allocated HI_DCI0
int pre_dci_ul_pdu_idx;
/// total allocated RBs
int8_t total_allocated_rbs;
/// pre-assigned MCS by the ulsch preprocessor
uint8_t pre_assigned_mcs_ul;
/// assigned MCS by the ulsch scheduler
uint8_t assigned_mcs_ul;
/// DL DAI
uint8_t DAI;
/// UL DAI
uint8_t DAI_ul[10];
/// UL Scheduling Request Received
uint8_t ul_SR;
///Resource Block indication for each sub-band in MU-MIMO
uint8_t rballoc_subband[8][50];
// Logical channel info for link with RLC
/// LCGID mapping (UL)
long lcgidmap[11];
///UE logical channel priority (UL)
long lcgidpriority[11];
/// phr information
int8_t phr_info;
/// phr information
int8_t phr_info_configured;
///dl buffer info
uint32_t dl_buffer_info[MAX_NUM_LCID];
/// total downlink buffer info
uint32_t dl_buffer_total;
/// total downlink pdus
uint32_t dl_pdus_total;
/// downlink pdus for each LCID
uint32_t dl_pdus_in_buffer[MAX_NUM_LCID];
/// creation time of the downlink buffer head for each LCID
uint32_t dl_buffer_head_sdu_creation_time[MAX_NUM_LCID];
/// maximum creation time of the downlink buffer head across all LCID
uint32_t dl_buffer_head_sdu_creation_time_max;
/// a flag indicating that the downlink head SDU is segmented
uint8_t dl_buffer_head_sdu_is_segmented[MAX_NUM_LCID];
/// size of remaining size to send for the downlink head SDU
uint32_t dl_buffer_head_sdu_remaining_size_to_send[MAX_NUM_LCID];
/// uplink buffer creation time for each LCID
uint32_t ul_buffer_creation_time[MAX_NUM_LCGID];
/// maximum uplink buffer creation time across all the LCIDs
uint32_t ul_buffer_creation_time_max;
/// uplink buffer size per LCID
uint32_t ul_buffer_info[MAX_NUM_LCGID];
/// uplink bytes that are currently scheduled
int scheduled_ul_bytes;
/// estimation of the UL buffer size
int estimated_ul_buffer;
/// UE tx power
int32_t ue_tx_power;
/// stores the frame where the last TPC was transmitted
uint32_t pusch_tpc_tx_frame;
uint32_t pusch_tpc_tx_subframe;
uint32_t pucch_tpc_tx_frame;
uint32_t pucch_tpc_tx_subframe;
/// stores the frame where the last bler was calculated
uint32_t pusch_bler_calc_frame;
uint32_t pusch_bler_calc_subframe;
uint8_t rach_resource_type;
uint16_t mpdcch_repetition_cnt;
frame_t Msg2_frame;
sub_frame_t Msg2_subframe;
/// Repetition column in pusch_repetition Table 8.2.b in TS36.213
uint8_t pusch_repetition_levels;
LTE_PhysicalConfigDedicated_t *physicalConfigDedicated;
} UE_TEMPLATE;
/*! \brief scheduling control information set through an API (not used)*/
typedef struct {
/// number of active DL LCs
uint8_t dl_lc_num;
/// order in which DLSCH scheduler should allocate LCs
uint8_t dl_lc_ids[MAX_NUM_LCID];
/// number of bytes to schedule for each LC
uint32_t dl_lc_bytes[MAX_NUM_LCID];
// resource scheduling information
/// Current DL harq round per harq_pid on each CC
uint8_t round[NFAPI_CC_MAX][10];
uint32_t ret_cnt[NFAPI_CC_MAX];
uint32_t first_cnt[NFAPI_CC_MAX];
/// Current Active TBs per harq_pid on each CC
uint8_t tbcnt[NFAPI_CC_MAX][10];
/// Current UL harq round per harq_pid on each CC
uint8_t round_UL[NFAPI_CC_MAX][8];
uint8_t dl_pow_off[NFAPI_CC_MAX];
uint16_t pre_nb_available_rbs[NFAPI_CC_MAX];
unsigned char rballoc_sub_UE[NFAPI_CC_MAX][N_RBG_MAX];
int pre_dci_dl_pdu_idx;
uint16_t ta_timer;
double ta_update_f;
int16_t ta_update;
uint16_t ul_consecutive_errors;
int32_t context_active_timer;
/// timer for regular CQI request on PUSCH
int32_t cqi_req_timer;
/// indicator that CQI was received on PUSCH when requested
int32_t cqi_received;
int32_t ul_inactivity_timer;
int32_t ul_failure_timer;
uint32_t ue_reestablishment_reject_timer;
uint32_t ue_reestablishment_reject_timer_thres;
int32_t ul_scheduled;
int32_t ra_pdcch_order_sent;
int32_t ul_out_of_sync;
int32_t phr_received;
uint8_t periodic_ri_received[NFAPI_CC_MAX];
uint8_t aperiodic_ri_received[NFAPI_CC_MAX];
int16_t pucch1_cqi_update[NFAPI_CC_MAX];
int16_t pucch1_snr[NFAPI_CC_MAX];
int16_t pucch2_cqi_update[NFAPI_CC_MAX];
int16_t pucch2_snr[NFAPI_CC_MAX];
int16_t pucch3_cqi_update[NFAPI_CC_MAX];
int16_t pucch3_snr[NFAPI_CC_MAX];
double pusch_cqi_f[NFAPI_CC_MAX];
int16_t pusch_cqi[NFAPI_CC_MAX];
int16_t pusch_snr[NFAPI_CC_MAX];
int16_t pusch_snr_avg[NFAPI_CC_MAX];
uint64_t pusch_rx_num[NFAPI_CC_MAX];
uint64_t pusch_rx_num_old[NFAPI_CC_MAX];
uint64_t pusch_rx_error_num[NFAPI_CC_MAX];
uint64_t pusch_rx_error_num_old[NFAPI_CC_MAX];
double pusch_bler[NFAPI_CC_MAX];
uint8_t mcs_offset[NFAPI_CC_MAX];
uint16_t feedback_cnt[NFAPI_CC_MAX];
uint16_t timing_advance;
uint16_t timing_advance_r9;
int8_t pusch_tpc_accumulated[NFAPI_CC_MAX];
int8_t pucch_tpc_accumulated[NFAPI_CC_MAX];
uint8_t periodic_wideband_cqi[NFAPI_CC_MAX];
uint8_t periodic_wideband_spatial_diffcqi[NFAPI_CC_MAX];
uint8_t periodic_wideband_pmi[NFAPI_CC_MAX];
uint8_t periodic_subband_cqi[NFAPI_CC_MAX][16];
uint8_t periodic_subband_spatial_diffcqi[NFAPI_CC_MAX][16];
uint8_t aperiodic_subband_cqi0[NFAPI_CC_MAX][25];
uint8_t aperiodic_subband_pmi[NFAPI_CC_MAX][25];
uint8_t aperiodic_subband_diffcqi0[NFAPI_CC_MAX][25];
uint8_t aperiodic_subband_cqi1[NFAPI_CC_MAX][25];
uint8_t aperiodic_subband_diffcqi1[NFAPI_CC_MAX][25];
uint8_t aperiodic_wideband_cqi0[NFAPI_CC_MAX];
uint8_t aperiodic_wideband_pmi[NFAPI_CC_MAX];
uint8_t aperiodic_wideband_cqi1[NFAPI_CC_MAX];
uint8_t aperiodic_wideband_pmi1[NFAPI_CC_MAX];
uint8_t dl_cqi[NFAPI_CC_MAX];
int32_t uplane_inactivity_timer;
uint8_t crnti_reconfigurationcomplete_flag;
uint8_t cqi_req_flag;
/* HARQ RRT Timers */
/// (UL) HARQ RTT timers, especially used for CDRX operations, one timer per cell per harq process (and per user)
uint8_t harq_rtt_timer[NFAPI_CC_MAX][8];
uint8_t ul_harq_rtt_timer[NFAPI_CC_MAX][8]; // Note: UL HARQ RTT timers are only for asynchronous HARQ processes
uint8_t ul_synchronous_harq_timer[NFAPI_CC_MAX][8]; // These timers are used for UL synchronous HARQ processes
/* C-DRX related timers */
/* Note: only valid for FDD and LTE UE when this comment is written (11-01-19)*/
/// is true if the cqi mask feature is activated by RRC configuration
bool cqi_mask_boolean;
/// is true if the following drx parameters are configured for UE
bool cdrx_configured;
/*
* if true, the eNB has configured the CDRX locally, but is waiting for the UE to acknowledge
* the activation. This is needed, during the RRC configuration process, when the context is
* configured on the eNB side, but not yet on the UE side...
*/
bool cdrx_waiting_ack;
/*
* Is set when a ULSCH scheduling is done and run until the first corresponding transmission is done (4 subframes).
* When set, SR cannot be set for the UE. This allows OAI to avoid concidering a SR as uncompleted if the UE sends
* a SR just after a periodic DCI0 ULSCH scheduling. Without CDRX there is no problem, but with CDRX this case would
* create a lost in timers synchronization.
*/
uint8_t dci0_ongoing_timer;
/// is true if the UE is in "Active Time", hence listening to PDCCH
bool in_active_time;
/// OnDurationTimer
uint16_t on_duration_timer;
uint16_t on_duration_timer_thres;
/// drx-InactivityTimer
uint16_t drx_inactivity_timer;
uint16_t drx_inactivity_timer_thres;
/// is true if UE is currently in short DRX cycle
bool in_short_drx_cycle;
/// drxShortCycleTimer int (1..16) (number of short DRX cycles duration before long DRX cycles)
uint8_t drx_shortCycle_timer_value;
/// shortDRX-Cycle (duration of one short DRX cycle)
uint16_t short_drx_cycle_duration;
/// DRX short cycle timer before switching to long DRX cycle = drx_shortCycle_timer_value * short_drx_cycle_duration
uint16_t drx_shortCycle_timer;
uint16_t drx_shortCycle_timer_thres;
/// is true if UE is currently in long DRX cycle
bool in_long_drx_cycle;
/// longDRX-CycleStartOffset (long DRX cycle timer)
uint16_t drx_longCycle_timer;
uint16_t drx_longCycle_timer_thres;
/// longDRX-CycleStartOffset (offset value)
uint16_t drx_start_offset;
/// DRX retransmission timer, one per DL HARQ process
uint8_t drx_retransmission_timer[8];
uint8_t drx_retransmission_timer_thres[8];
/// DRX UL retransmission timer, one per UL HARQ process
/* Not implemented yet */
/* End of C-DRX related timers */
uint32_t rlc_out_of_resources_cnt;
} UE_sched_ctrl_t;
/*! \brief eNB template for the Random access information */
typedef struct {
/// Flag to indicate this process is active
RA_state state;
/// Subframe where preamble was received
uint8_t preamble_subframe;
/// Subframe where Msg2 is to be sent
uint8_t Msg2_subframe;
/// Frame where Msg2 is to be sent
frame_t Msg2_frame;
/// Subframe where Msg3 is to be sent
sub_frame_t Msg3_subframe;
/// Frame where Msg3 is to be sent
frame_t Msg3_frame;
/// Delay cnt for Msg4 transmission (waiting for RRC message piggyback)
int Msg4_delay_cnt;
/// Subframe where Msg4 is to be sent
sub_frame_t Msg4_subframe;
/// Frame where Msg4 is to be sent
frame_t Msg4_frame;
/// harq_pid used for Msg4 transmission
uint8_t harq_pid;
/// UE RNTI allocated during RAR
rnti_t rnti;
/// RA RNTI allocated from received PRACH
uint16_t RA_rnti;
/// Received preamble_index
uint8_t preamble_index;
/// Received UE Contention Resolution Identifier
uint8_t cont_res_id[6];
/// Timing offset indicated by PHY
int16_t timing_offset;
/// Timeout for RRC connection
int16_t RRC_timer;
/// Msg3 first RB
uint8_t msg3_first_rb;
/// Msg3 number of RB
uint8_t msg3_nb_rb;
/// Msg3 MCS
uint8_t msg3_mcs;
/// Msg3 TPC command
uint8_t msg3_TPC;
/// Msg3 ULdelay command
uint8_t msg3_ULdelay;
/// Msg3 cqireq command
uint8_t msg3_cqireq;
/// Round of Msg3 HARQ
uint8_t msg3_round;
/// TBS used for Msg4
int msg4_TBsize;
/// MCS used for Msg4
int msg4_mcs;
uint8_t rach_resource_type;
uint8_t msg2_mpdcch_repetition_cnt;
int msg2_mpdcch_done;
uint8_t msg4_mpdcch_repetition_cnt;
int msg4_mpdcch_done;
uint8_t msg2_narrowband;
uint8_t msg34_narrowband;
int msg4_rrc_sdu_length;
/// Repetition column in pusch_repetition Table 8.2.b in TS36.213
uint8_t pusch_repetition_levels;
int32_t crnti_rrc_mui;
int8_t crnti_harq_pid;
} RA_t;
/*! \brief UE_list_t is a "list" of users within UE_info_t. Especial useful in
* the scheduler and to keep "classes" of users. */
typedef struct {
int head;
int next[MAX_MOBILES_PER_ENB];
} UE_list_t;
/*! \brief UE info used by eNB to order UEs/CC for scheduling*/
typedef struct {
DLSCH_PDU DLSCH_pdu[NFAPI_CC_MAX][2][MAX_MOBILES_PER_ENB];
/// DCI template and MAC connection parameters for UEs
UE_TEMPLATE UE_template[NFAPI_CC_MAX][MAX_MOBILES_PER_ENB];
/// DCI template and MAC connection for RA processes
int pCC_id[MAX_MOBILES_PER_ENB];
/// sorted downlink component carrier for the scheduler
int ordered_CCids[NFAPI_CC_MAX][MAX_MOBILES_PER_ENB];
/// number of downlink active component carrier
int numactiveCCs[MAX_MOBILES_PER_ENB];
/// sorted uplink component carrier for the scheduler
int ordered_ULCCids[NFAPI_CC_MAX][MAX_MOBILES_PER_ENB];
/// number of uplink active component carrier
int numactiveULCCs[MAX_MOBILES_PER_ENB];
/// number of downlink active component carrier
uint8_t dl_CC_bitmap[MAX_MOBILES_PER_ENB];
/// eNB to UE statistics
eNB_UE_STATS eNB_UE_stats[NFAPI_CC_MAX][MAX_MOBILES_PER_ENB];
/// scheduling control info
UE_sched_ctrl_t UE_sched_ctrl[MAX_MOBILES_PER_ENB];
UE_list_t list;
int num_UEs;
bool active[MAX_MOBILES_PER_ENB];
} UE_info_t;
/*! \brief deleting control information*/
typedef struct {
///rnti of UE
rnti_t rnti;
///remove UE context flag
bool removeContextFlg;
///remove RA flag
bool raFlag;
} UE_free_ctrl_t;
/**
* describes contiguous RBs
*/
typedef struct {
int start;
int length;
} contig_rbs_t;
/**
* definition of a scheduling algorithm implementation used in the
* default DL scheduler
*/
typedef struct {
char *name;
void *(*setup)(void);
void (*unset)(void **);
int (*run)(
module_id_t, int, int, int, UE_list_t *, int, int, uint8_t *, void *);
void *data;
} default_sched_dl_algo_t;
/**
* definition of a scheduling algorithm implementation used in the
* default UL scheduler
*/
typedef struct {
char *name;
void *(*setup)(void);
void (*unset)(void **);
int (*run)(
module_id_t, int, int, int, int, int, UE_list_t *, int, int, contig_rbs_t *, void *);
void *data;
} default_sched_ul_algo_t;
typedef void (*pp_impl_dl)(module_id_t mod_id,
int CC_id,
frame_t frame,
sub_frame_t subframe);
typedef void (*pp_impl_ul)(module_id_t mod_id,
int CC_id,
frame_t frame,
sub_frame_t subframe,
frame_t sched_frame,
sub_frame_t sched_subframe);
struct slice_info_s;
typedef struct {
int algorithm;
/// inform the slice algorithm about a new UE
void (*add_UE)(struct slice_info_s *s, int UE_id);
/// inform the slice algorithm about a UE that disconnected
void (*remove_UE)(struct slice_info_s *s, int UE_id);
/// move a UE to a slice in DL/UL, -1 means don't move (no-op).
void (*move_UE)(struct slice_info_s *s, int UE_id, int idx);
/// Adds a new slice through admission control. slice_params are
/// algorithm-specific parameters. sched is either a default_sched_ul_algo_t
/// or default_sched_dl_algo_t, depending on whether this implementation
/// handles UL/DL. If slice at index exists, updates existing
/// slice. Returns index of new slice or -1 on failure.
int (*addmod_slice)(struct slice_info_s *s,
int id,
char *label,
void *sched,
void *slice_params);
/// Returns slice through slice_idx. 1 if successful, 0 if not.
int (*remove_slice)(struct slice_info_s *s, uint8_t slice_idx);
union {
pp_impl_dl dl;
pp_impl_ul ul;
};
union {
default_sched_ul_algo_t ul_algo;
default_sched_dl_algo_t dl_algo;
};
void (*destroy)(struct slice_info_s **s);
struct slice_info_s *slices;
} pp_impl_param_t;
/*! \brief eNB common channels */
typedef struct {
int physCellId;
int p_eNB;
int Ncp;
int eutra_band;
uint32_t dl_CarrierFreq;
LTE_BCCH_BCH_Message_t *mib;
LTE_RadioResourceConfigCommonSIB_t *radioResourceConfigCommon;
LTE_RadioResourceConfigCommonSIB_t *radioResourceConfigCommon_BR;
LTE_SchedulingInfoList_MBMS_r14_t *schedulingInfoList_MBMS;
LTE_TDD_Config_t *tdd_Config;
LTE_SchedulingInfoList_t *schedulingInfoList;
LTE_ARFCN_ValueEUTRA_t ul_CarrierFreq;
long ul_Bandwidth;
/// Outgoing MIB PDU for PHY
MIB_PDU MIB_pdu;
/// Outgoing BCCH pdu for PHY
BCCH_PDU BCCH_pdu;
/// Outgoing BCCH DCI allocation
uint32_t BCCH_alloc_pdu;
/// Outgoing CCCH pdu for PHY
CCCH_PDU CCCH_pdu;
/// Outgoing PCCH DCI allocation
uint32_t PCCH_alloc_pdu;
/// Outgoing PCCH pdu for PHY
PCCH_PDU PCCH_pdu;
/// Outgoing RAR pdu for PHY
RAR_PDU RAR_pdu;
/// Template for RA computations
RA_t ra[NB_RA_PROC_MAX];
/// VRB map for common channels
uint8_t vrb_map[100];
/// VRB map for common channels and retransmissions by PHICH
uint8_t vrb_map_UL[100];
/// MBSFN SubframeConfig
struct LTE_MBSFN_SubframeConfig *mbsfn_SubframeConfig[8];
struct LTE_NonMBSFN_SubframeConfig_r14 *non_mbsfn_SubframeConfig;
struct LTE_MBSFN_SubframeConfig *commonSF_Alloc_r9_mbsfn_SubframeConfig[8]; // FIXME replace 8 by MAX_MBSFN_AREA?
uint8_t commonSF_AllocPeriod_r9;
/// number of subframe allocation pattern available for MBSFN sync area
uint8_t num_sf_allocation_pattern;
/// MBMS Flag
uint8_t MBMS_flag;
/// Outgoing MCCH pdu for PHY
MCCH_PDU MCCH_pdu;
/// MCCH active flag
uint8_t msi_active;
/// MCCH active flag
uint8_t mcch_active;
/// MTCH active flag
uint8_t mtch_active;
/// number of active MBSFN area
uint8_t num_active_mbsfn_area;
/// MBSFN Area Info
struct LTE_MBSFN_AreaInfo_r9 *mbsfn_AreaInfo[MAX_MBSFN_AREA];
/// PMCH Config
struct LTE_PMCH_Config_r9 *pmch_Config[MAX_PMCH_perMBSFN];
/// MBMS session info list
struct LTE_MBMS_SessionInfoList_r9 *mbms_SessionList[MAX_PMCH_perMBSFN];
/// Outgoing MCH pdu for PHY
MCH_PDU MCH_pdu;
/// Rel13 parameters from SIB1
LTE_SystemInformationBlockType1_v1310_IEs_t *sib1_v13ext;
/// Counter for SIB1-BR scheduling
int SIB1_BR_cnt;
/// Outgoing BCCH-BR pdu for PHY
BCCH_PDU BCCH_BR_pdu[20];
BCCH_PDU BCCH_MBMS_pdu;
uint8_t FeMBMS_flag;
} COMMON_channels_t;
/*! \brief top level eNB MAC structure */
typedef struct eNB_MAC_INST_s {
/// Ethernet parameters for fronthaul interface
eth_params_t eth_params_s;
///
module_id_t Mod_id;
/// frame counter
frame_t frame;
/// subframe counter
sub_frame_t subframe;
/// Pointer to IF module instance for PHY
IF_Module_t *if_inst;
/// Common cell resources
COMMON_channels_t common_channels[NFAPI_CC_MAX];
/// current PDU index (BCH,MCH,DLSCH)
int16_t pdu_index[NFAPI_CC_MAX];
/// NFAPI Config Request Structure
nfapi_config_request_t config[NFAPI_CC_MAX];
/// Preallocated DL pdu list
nfapi_dl_config_request_pdu_t
dl_config_pdu_list[NFAPI_CC_MAX][MAX_NUM_DL_PDU];
/// NFAPI DL Config Request Structure
nfapi_dl_config_request_t DL_req[NFAPI_CC_MAX];
/// Preallocated UL pdu list
nfapi_ul_config_request_pdu_t
ul_config_pdu_list[NFAPI_CC_MAX][MAX_NUM_UL_PDU];
/// Preallocated UL pdu list for ULSCH (n+k delay)
nfapi_ul_config_request_pdu_t
ul_config_pdu_list_tmp[NFAPI_CC_MAX][10][MAX_NUM_UL_PDU];
/// NFAPI UL Config Request Structure, send to L1 4 subframes before processing takes place
nfapi_ul_config_request_t UL_req[NFAPI_CC_MAX];
/// NFAPI "Temporary" UL Config Request Structure, holds future UL_config requests
nfapi_ul_config_request_t UL_req_tmp[NFAPI_CC_MAX][10];
/// Preallocated HI_DCI0 pdu list
nfapi_hi_dci0_request_pdu_t
hi_dci0_pdu_list[NFAPI_CC_MAX][10][MAX_NUM_HI_DCI0_PDU];
/// NFAPI HI/DCI0 Config Request Structure
nfapi_hi_dci0_request_t HI_DCI0_req[NFAPI_CC_MAX][10];
/// Prealocated TX pdu list
nfapi_tx_request_pdu_t
tx_request_pdu[NFAPI_CC_MAX][MAX_NUM_TX_REQUEST_PDU];
/// NFAPI DL PDU structure
nfapi_tx_request_t TX_req[NFAPI_CC_MAX];
/// NFAPI UE_release_req structure
nfapi_ue_release_request_t UE_release_req;
/// UL handle
uint32_t ul_handle;
UE_info_t UE_info;
/// CCE table used to build DCI scheduling information
int CCE_table[NFAPI_CC_MAX][800];
/// active flag for Other lcid
uint8_t lcid_active[NB_RB_MAX];
/// eNB stats
eNB_STATS eNB_stats[NFAPI_CC_MAX];
// MAC function execution peformance profiler
/// processing time of eNB scheduler
time_stats_t eNB_scheduler;
/// processing time of eNB scheduler for SI
time_stats_t schedule_si;
time_stats_t schedule_si_mbms;
/// processing time of eNB scheduler for Random access
time_stats_t schedule_ra;
/// processing time of eNB ULSCH scheduler
time_stats_t schedule_ulsch;
/// processing time of eNB DCI generation
time_stats_t fill_DLSCH_dci;
/// processing time of eNB MAC preprocessor
time_stats_t schedule_dlsch_preprocessor;
/// processing time of eNB DLSCH scheduler
time_stats_t schedule_dlsch; // include rlc_data_req + MAC header + preprocessor
/// processing time of eNB MCH scheduler
time_stats_t schedule_mch;
/// processing time of eNB ULSCH reception
time_stats_t rx_ulsch_sdu; // include rlc_data_ind
/// processing time of eNB PCH scheduler
time_stats_t schedule_pch;
UE_free_ctrl_t UE_free_ctrl[NUMBER_OF_UE_MAX+1];
/// for scheduling selection
SCHEDULER_MODES scheduler_mode;
/// Default scheduler: Pre-processor implementation. Algorithms for UL/DL
/// are called by ULSCH/DLSCH, respectively. Pro-processor implementation can
/// encapsulate slicing.
pp_impl_param_t pre_processor_dl;
pp_impl_param_t pre_processor_ul;
int32_t puSch10xSnr;
int32_t puCch10xSnr;
int max_ul_rb_index;
int ue_multiple_max;
int use_mcs_offset;
double bler_lower;
double bler_upper;
pthread_t mac_stats_thread;
} eNB_MAC_INST;
/*
* UE part
*/
typedef enum {
TYPE0,
TYPE1,
TYPE1A,
TYPE2,
TYPE2A,
TYPEUESPEC
} MPDCCH_TYPES_t;
/*!\brief UE layer 2 status */
typedef enum {
CONNECTION_OK = 0,
CONNECTION_LOST,
PHY_RESYNCH,
PHY_HO_PRACH
} UE_L2_STATE_t;
/*!\brief UE scheduling info */
typedef struct {
/// buffer status for each lcgid
uint8_t BSR[MAX_NUM_LCGID]; // should be more for mesh topology
/// keep the number of bytes in rlc buffer for each lcgid
int32_t BSR_bytes[MAX_NUM_LCGID];
/// after multiplexing buffer remain for each lcid
int32_t LCID_buffer_remain[MAX_NUM_LCID];
/// sum of all lcid buffer size
uint16_t All_lcid_buffer_size_lastTTI;
/// buffer status for each lcid
uint8_t LCID_status[MAX_NUM_LCID];
/// SR pending as defined in 36.321
uint8_t SR_pending;
/// SR_COUNTER as defined in 36.321
uint16_t SR_COUNTER;
/// logical channel group ide for each LCID
uint8_t LCGID[MAX_NUM_LCID];
/// retxBSR-Timer, default value is sf2560
uint16_t retxBSR_Timer;
/// retxBSR_SF, number of subframe before triggering a regular BSR
uint16_t retxBSR_SF;
/// periodicBSR-Timer, default to infinity
uint16_t periodicBSR_Timer;
/// periodicBSR_SF, number of subframe before triggering a periodic BSR
uint16_t periodicBSR_SF;
/// default value is 0: not configured
uint16_t sr_ProhibitTimer;
/// sr ProhibitTime running
uint8_t sr_ProhibitTimer_Running;
/// default value to n5
uint16_t maxHARQ_Tx;
/// default value is false
uint16_t ttiBundling;
/// default value is release
struct LTE_DRX_Config *drx_config;
/// default value is release
struct LTE_MAC_MainConfig__phr_Config *phr_config;
///timer before triggering a periodic PHR
uint16_t periodicPHR_Timer;
///timer before triggering a prohibit PHR
uint16_t prohibitPHR_Timer;
///DL Pathloss change value
uint16_t PathlossChange;
///number of subframe before triggering a periodic PHR
int16_t periodicPHR_SF;
///number of subframe before triggering a prohibit PHR
int16_t prohibitPHR_SF;
///DL Pathloss Change in db
uint16_t PathlossChange_db;
/// default value is false
uint16_t extendedBSR_Sizes_r10;
/// default value is false
uint16_t extendedPHR_r10;
//Bj bucket usage per lcid
int16_t Bj[MAX_NUM_LCID];
// Bucket size per lcid
int16_t bucket_size[MAX_NUM_LCID];
} UE_SCHEDULING_INFO;
/*!\brief Top level UE MAC structure */
typedef struct {
uint16_t Node_id;
/// RX frame counter
frame_t rxFrame;
/// RX subframe counter
sub_frame_t rxSubframe;
/// TX frame counter
frame_t txFrame;
/// TX subframe counter
sub_frame_t txSubframe;
/// C-RNTI of UE
uint16_t crnti;
/// C-RNTI of UE before HO
rnti_t crnti_before_ho; ///user id (rnti) of connected UEs
/// uplink active flag
uint8_t ul_active;
/// pointer to RRC PHY configuration
LTE_RadioResourceConfigCommonSIB_t *radioResourceConfigCommon;
/// pointer to RACH_ConfigDedicated (NULL when not active, i.e. upon HO completion or T304 expiry)
struct LTE_RACH_ConfigDedicated *rach_ConfigDedicated;
/// pointer to RRC PHY configuration
struct LTE_PhysicalConfigDedicated *physicalConfigDedicated;
/// pointer to RRC PHY configuration SCEll
struct LTE_PhysicalConfigDedicatedSCell_r10 *physicalConfigDedicatedSCell_r10;
/// Preconfiguration for Sidelink
struct LTE_SL_Preconfiguration_r12 *SL_Preconfiguration;
/// RX Pool for Sidelink from SIB18
LTE_SL_CommRxPoolList_r12_t commRxPool_r12;
/// TX Pool Normal for Sidelink from SIB18
struct LTE_SL_CommTxPoolList_r12 *commTxPoolNormalCommon_r12;
/// TX Pool Exceptional for Sidelink from SIB18
struct LTE_SL_CommTxPoolList_r12 *commTxPoolExceptional_r12;
/// Common Sync Config for Sidelink from SIB18
struct LTE_SL_SyncConfigList_r12 *commSyncConfig_r12;
/// Dedicated Sync TX control for Sidelink
struct LTE_SL_SyncTxControl_r12 *sl_SyncTxControl_r12;
/// Dedicated Discovery TX control for Sidelink
struct LTE_SL_DiscConfig_r12 *sl_DiscConfig_r12;
/// Dedicated TX config for Sidelink
struct LTE_SL_CommConfig_r12 *sl_CommConfig_r12;
//SL sourceL2ID
uint32_t sourceL2Id;
//SL groupL2Id
uint32_t groupL2Id;
//SL destinationL2Id
uint32_t destinationL2Id;
//List of destinations
uint32_t destinationList[MAX_NUM_DEST];
uint8_t numCommFlows;
uint32_t SL_LCID[MAX_NUM_LCID];
/// pointer to TDD Configuration (NULL for FDD)
LTE_TDD_Config_t *tdd_Config;
/// Number of adjacent cells to measure
uint8_t n_adj_cells;
/// Array of adjacent physical cell ids
uint32_t adj_cell_id[6];
/// Pointer to RRC MAC configuration
LTE_MAC_MainConfig_t *macConfig;
/// Pointer to RRC Measurement gap configuration
LTE_MeasGapConfig_t *measGapConfig;
/// Pointers to LogicalChannelConfig indexed by LogicalChannelIdentity. Note NULL means LCHAN is inactive.
LTE_LogicalChannelConfig_t *logicalChannelConfig[MAX_NUM_LCID];
/// Scheduling Information
UE_SCHEDULING_INFO scheduling_info;
/// Outgoing CCCH pdu for PHY
CCCH_PDU CCCH_pdu;
/// Outgoing RAR pdu for PHY
RAR_PDU RAR_pdu;
/// Incoming DLSCH pdu for PHY
DLSCH_PDU DLSCH_pdu[MAX_MOBILES_PER_ENB][2];
int sltx_active;
SLSCH_t slsch;
SLDCH_t sldch;
ULSCH_PDU slsch_pdu;
int slsch_lcid;
/// number of attempt for rach
uint8_t RA_attempt_number;
/// Random-access procedure flag
uint8_t RA_active;
/// Random-access window counter
int8_t RA_window_cnt;
/// Random-access Msg3 size in bytes
uint8_t RA_Msg3_size;
/// Random-access prachMaskIndex
uint8_t RA_prachMaskIndex;
/// Flag indicating Preamble set (A,B) used for first Msg3 transmission
uint8_t RA_usedGroupA;
/// Random-access Resources
PRACH_RESOURCES_t RA_prach_resources;
/// Random-access PREAMBLE_TRANSMISSION_COUNTER
uint8_t RA_PREAMBLE_TRANSMISSION_COUNTER;
/// Random-access backoff counter
int16_t RA_backoff_cnt;
/// Random-access variable for window calculation (frame of last change in window counter)
uint32_t RA_tx_frame;
/// Random-access variable for window calculation (subframe of last change in window counter)
uint8_t RA_tx_subframe;
/// Random-access Group B maximum path-loss
/// Random-access variable for backoff (frame of last change in backoff counter)
uint32_t RA_backoff_frame;
/// Random-access variable for backoff (subframe of last change in backoff counter)
uint8_t RA_backoff_subframe;
/// Random-access Group B maximum path-loss
uint16_t RA_maxPL;
/// Random-access Contention Resolution Timer active flag
uint8_t RA_contention_resolution_timer_active;
/// Random-access Contention Resolution Timer count value
uint8_t RA_contention_resolution_cnt;
/// power headroom reporitng reconfigured
uint8_t PHR_reconfigured;
/// power headroom state as configured by the higher layers
uint8_t PHR_state;
/// power backoff due to power management (as allowed by P-MPRc) for this cell
uint8_t PHR_reporting_active;
/// power backoff due to power management (as allowed by P-MPRc) for this cell
uint8_t power_backoff_db[MAX_eNB];
/// BSR report falg management
uint8_t BSR_reporting_active;
/// retxBSR-Timer expires flag
uint8_t retxBSRTimer_expires_flag;
/// periodBSR-Timer expires flag
uint8_t periodBSRTimer_expires_flag;
/// MBSFN_Subframe Configuration
struct LTE_MBSFN_SubframeConfig *mbsfn_SubframeConfig[8]; // FIXME replace 8 by MAX_MBSFN_AREA?
struct LTE_NonMBSFN_SubframeConfig_r14 *non_mbsfn_SubframeConfig;
/// number of subframe allocation pattern available for MBSFN sync area
uint8_t num_sf_allocation_pattern;
/// number of active MBSFN area
uint8_t num_active_mbsfn_area;
/// MBSFN Area Info
struct LTE_MBSFN_AreaInfo_r9 *mbsfn_AreaInfo[MAX_MBSFN_AREA];
/// PMCH Config
struct LTE_PMCH_Config_r9 *pmch_Config[MAX_PMCH_perMBSFN];
/// MCCH status
uint8_t mcch_status;
/// MSI status
uint8_t msi_status_v[28];
uint8_t msi_current_alloc;
uint8_t msi_pmch;
struct LTE_MBSFN_SubframeConfig *commonSF_Alloc_r9_mbsfn_SubframeConfig[8]; // FIXME replace 8 by MAX_MBSFN_AREA?
uint8_t commonSF_AllocPeriod_r9;
int common_num_sf_alloc;
uint8_t pmch_lcids[28];
uint16_t pmch_stop_mtch[28];
/// CBA RNTI for each group
uint16_t cba_rnti[NUM_MAX_CBA_GROUP];
/// last SFN for CBA channel access
uint8_t cba_last_access[NUM_MAX_CBA_GROUP];
/// total UE scheduler processing time
time_stats_t ue_scheduler; // total
/// UE ULSCH tx processing time inlcuding RLC interface (rlc_data_req) and mac header generation
time_stats_t tx_ulsch_sdu;
/// UE DLSCH rx processing time inlcuding RLC interface (mac_rrc_data_ind or mac_rlc_status_ind+mac_rlc_data_ind) and mac header parser
time_stats_t rx_dlsch_sdu ;
/// UE query for MCH subframe processing time
time_stats_t ue_query_mch;
/// UE MCH rx processing time
time_stats_t rx_mch_sdu;
/// UE BCCH rx processing time including RLC interface (mac_rrc_data_ind)
time_stats_t rx_si;
/// UE PCCH rx processing time including RLC interface (mac_rrc_data_ind)
time_stats_t rx_p;
/// Mutex for nfapi UL_INFO
pthread_mutex_t UL_INFO_mutex;
/// UE_Mode variable should be used in the case of Phy_stub operation since we won't have access to PHY_VARS_UE
/// where the UE_mode originally is for the full stack operation mode. The transitions between the states of the UE_Mode
/// will be triggered within phy_stub_ue.c in this case
UE_MODE_t UE_mode[NUMBER_OF_CONNECTED_eNB_MAX];
/// Phy_stub mode: Boolean variable to distinguish whether a Msg3 or a regular ULSCH data pdu should be generated
/// after the reception of NFAPI_UL_CONFIG_ULSCH_PDU_TYPE.
uint8_t first_ULSCH_Tx;
uint8_t SI_Decoded;
int ra_frame; // This variable keeps the frame in which the RA started for the specific UE. It is used in order
// to make sure that different UEs RA starts within a number of frames difference.
} UE_MAC_INST;
typedef struct {
volatile uint8_t flag;
rnti_t rnti;
mui_t rrc_eNB_mui;
} RRC_release_ctrl_t;
typedef struct {
uint16_t num_UEs;
RRC_release_ctrl_t RRC_release_ctrl[NUMBER_OF_UE_MAX];
} RRC_release_list_t;
typedef struct {
uint8_t rrc_mui_num;
mui_t rrc_mui[128];
} mac_rlc_am_muilist_t;
#include "mac_proto.h"
/**@}*/
#endif /*__LAYER2_MAC_DEFS_H__ */
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