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Commit 6535680c authored by nikaeinn's avatar nikaeinn
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add doxygen for MAC and minor updates 

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7596 818b1a75-f10b-46b9-bf7c-635c3b92a50f
parent 51ce70c8
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cmake_targets/build_oai
View file @ 6535680c
......@@ -95,7 +95,9 @@ Options
--install-system-files
Install OpenArInterface required files in Linux system
(will ask root password)
Typical Options for a quick startup with a COTS UE and Eurecom RF board: build_oai -I -g -eNB -EPC -x --install-system-files'
Usage:
Eurecom EXMIMO + COTS UE : ./build_oai -I -g --eNB --EPC -x --install-system-files
NI/ETTUS B201 + COTS UE : ./build_oai -I -g --eNB --EPC -x --install-system-files -w USRP'
}
......
openair2/LAYER2/MAC/defs.h
View file @ 6535680c
......@@ -85,15 +85,6 @@
#define SCH_PAYLOAD_SIZE_MAX 4096
/// Logical channel ids from 36-311 (Note BCCH is not specified in 36-311, uses the same as first DRB)
#define BCCH 3 // SI
#define CCCH 0 // srb0
#define DCCH 1 // srb1
#define DCCH1 2 // srb2
#define DTCH 3 // LCID
#define MCCH 4 // MCCH
#define MTCH 1 // MTCH
#ifdef Rel10
......@@ -112,7 +103,7 @@
#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 high
#endif
......@@ -121,44 +112,53 @@
#define printk printf
#endif //USER_MODE
/*!\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
//#define MAX_NUM_RB 8
/*!\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
// The power headroom reporting range is from -23 ...+40 dB and beyond, with step 1
/*!\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
#define LCGID0 0
#define LCGID1 1
#define LCGID2 2
#define LCGID3 3
#define LCID_EMPTY 0
#define LCID_NOT_EMPTY 1
typedef enum {
CONNECTION_OK=0,
CONNECTION_LOST,
PHY_RESYNCH,
PHY_HO_PRACH
} UE_L2_STATE_t;
/*
* 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;
......@@ -194,7 +194,7 @@ typedef struct {
#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;
......@@ -202,7 +202,7 @@ typedef struct {
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;
......@@ -212,20 +212,21 @@ typedef struct {
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 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 {
uint32_t Buffer_size3:6;
uint32_t Buffer_size2:6;
......@@ -235,37 +236,39 @@ typedef struct {
} __attribute__((__packed__))BSR_LONG;
#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 DCI PDU filled by MAC for the PHY */
typedef struct {
uint8_t Num_ue_spec_dci ;
uint8_t Num_common_dci ;
unsigned int nCCE;
DCI_ALLOC_t dci_alloc[NUM_DCI_MAX] ;
} DCI_PDU;
/*! \brief CCCH payload */
typedef struct {
uint8_t payload[CCCH_PAYLOAD_SIZE_MAX] ;/*!< \brief CCCH payload */
uint8_t payload[CCCH_PAYLOAD_SIZE_MAX] ;
} __attribute__((__packed__))CCCH_PDU;
/*! \brief BCCH payload */
typedef struct {
uint8_t payload[BCCH_PAYLOAD_SIZE_MAX] ;/*!< \brief CCCH payload */
uint8_t payload[BCCH_PAYLOAD_SIZE_MAX] ;
} __attribute__((__packed__))BCCH_PDU;
#ifdef Rel10
/*! \brief MCCH payload */
typedef struct {
uint8_t payload[MCCH_PAYLOAD_SIZE_MAX] ;/*!< \brief MCCH payload */
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 */
......@@ -276,46 +279,70 @@ typedef struct {
uint8_t C1:1;/*!< \brief Component carrier 1 */
uint8_t R:1;/*!< \brief Reserved */
} __attribute__((__packed__))CC_ELEMENT;
#endif
/*! \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;
// DLSCH LCHAN IDs
#endif
/*! \brief Values of CCCH LCID for DLSCH */
#define CCCH_LCHANID 0
/*!\brief Values of BCCH logical channel */
#define BCCH 3 // SI
/*!\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
/*!\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
#ifdef Rel10
// MCH LCHAN IDs (table6.2.1-4 TS36.321)
/*!\brief LCID of MCCH for DL */
#define MCCH_LCHANID 0
#define MCH_SCHDL_INFO 30
/*!\brief LCID of MCH scheduling info for DL */
#define MCH_SCHDL_INFO 3
/*!\brief LCID of Carrier component activation/deactivation */
#define CC_ACT_DEACT 27
#endif
// 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
/*! \brief Downlink SCH PDU Structure
*/
/*! \brief Downlink SCH PDU Structure */
typedef struct {
int8_t payload[8][SCH_PAYLOAD_SIZE_MAX];
uint16_t Pdu_size[8];
} __attribute__ ((__packed__)) DLSCH_PDU;
/*! \brief MCH PDU Structure
*/
/*! \brief MCH PDU Structure */
typedef struct {
int8_t payload[SCH_PAYLOAD_SIZE_MAX];
uint16_t Pdu_size;
......@@ -326,8 +353,7 @@ typedef struct {
uint8_t mtch_active;
} __attribute__ ((__packed__)) MCH_PDU;
/*! \brief Uplink SCH PDU Structure
*/
/*! \brief Uplink SCH PDU Structure */
typedef struct {
int8_t payload[SCH_PAYLOAD_SIZE_MAX]; /*!< \brief SACH payload */
uint16_t Pdu_size;
......@@ -335,6 +361,7 @@ typedef struct {
#include "PHY/impl_defs_top.h"
/*!\brief UE ULSCH scheduling states*/
typedef enum {
S_UL_NONE =0,
S_UL_WAITING,
......@@ -343,6 +370,7 @@ typedef enum {
S_UL_NUM_STATUS
} UE_ULSCH_STATUS;
/*!\brief UE DLSCH scheduling states*/
typedef enum {
S_DL_NONE =0,
S_DL_WAITING,
......@@ -351,34 +379,52 @@ typedef enum {
S_DL_NUM_STATUS
} UE_DLSCH_STATUS;
/*!\brief scheduling policy for the contention-based access */
typedef enum {
CBA_ES=0, // equal share of RB among groups w
CBA_ES_S, // equal share of RB among groups with small allocation
CBA_PF, // proportional fair (kind of)
CBA_PF_S, // proportional fair (kind of) with small RB allocation
CBA_RS // random allocation
CBA_ES=0, /// equal share of RB among groups w
CBA_ES_S, /// equal share of RB among groups with small allocation
CBA_PF, /// proportional fair (kind of)
CBA_PF_S, /// proportional fair (kind of) with small RB allocation
CBA_RS /// random allocation
} CBA_POLICY;
// temp struct for sched
/*! \brief temporary struct for ULSCH sched */
typedef struct {
rnti_t rnti;
uint16_t subframe;
uint16_t serving_num;
UE_ULSCH_STATUS status;
} eNB_ULSCH_INFO;
// temp struct for sched
/*! \brief temp struct for DLSCH sched */
typedef struct {
rnti_t rnti;
uint16_t weight;
uint16_t subframe;
uint16_t serving_num;
UE_DLSCH_STATUS status;
} eNB_DLSCH_INFO;
/*! \brief eNB overall statistics */
typedef struct {
/// BW
/// 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 active users
uint16_t num_dlactive_UEs;
/// available number of PRBs for a give SF
uint16_t available_prbs;
......@@ -409,7 +455,7 @@ typedef struct {
uint64_t ulsch_pdus_rx;
// here for RX
} eNB_STATS;
/*! \brief eNB statistics for the connected UEs*/
typedef struct {
/// CRNTI of UE
......@@ -500,15 +546,15 @@ typedef struct {
uint32_t num_errors_rx;
/// overall
// total MAC pdu bytes
/// total MAC pdu bytes
uint64_t total_pdu_bytes_rx;
// total num pdu
/// total num pdu
uint32_t total_num_pdus_rx;
// num of error pdus
/// num of error pdus
uint32_t total_num_errors_rx;
} eNB_UE_STATS;
/*! \brief eNB template for UE context information */
typedef struct {
/// C-RNTI of UE
rnti_t rnti;
......@@ -529,7 +575,7 @@ typedef struct {
/// Current Aggregation Level for DCI
uint8_t DCI_aggregation_min;
///
/// size of DLSCH size in bit
uint8_t DLSCH_dci_size_bits;
/// DCI buffer for DLSCH
......@@ -568,7 +614,7 @@ typedef struct {
/// UL Scheduling Request Received
uint8_t ul_SR;
//Resource Block indication for each sub-band in MU-MIMO
///Resource Block indication for each sub-band in MU-MIMO
uint8_t rballoc_subband[8][50];
// Logical channel info for link with RLC
......@@ -582,30 +628,30 @@ typedef struct {
/// phr information
int8_t phr_info_configured;
//dl buffer info
///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 info
/// total uplink buffer size
uint32_t ul_total_buffer;
/// 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];
/// UE tx power
......@@ -616,10 +662,11 @@ typedef struct {
#endif
} UE_TEMPLATE;
/*! \brief scheduling control information set through an API (not used)*/
typedef struct {
//UL transmission bandwidth in RBs
///UL transmission bandwidth in RBs
uint8_t ul_bandwidth[MAX_NUM_LCID];
//DL transmission bandwidth in RBs
///DL transmission bandwidth in RBs
uint8_t dl_bandwidth[MAX_NUM_LCID];
//To do GBR bearer
......@@ -627,13 +674,13 @@ typedef struct {
uint8_t min_dl_bandwidth[MAX_NUM_LCID];
//aggregated bit rate of non-gbr bearer per UE
///aggregated bit rate of non-gbr bearer per UE
uint64_t ue_AggregatedMaximumBitrateDL;
//aggregated bit rate of non-gbr bearer per UE
///aggregated bit rate of non-gbr bearer per UE
uint64_t ue_AggregatedMaximumBitrateUL;
//CQI scheduling interval in subframes.
///CQI scheduling interval in subframes.
uint16_t cqiSchedInterval;
//Contention resolution timer used during random access
///Contention resolution timer used during random access
uint8_t mac_ContentionResolutionTimer;
uint16_t max_allowed_rbs[MAX_NUM_LCID];
......@@ -643,7 +690,7 @@ typedef struct {
uint16_t priority[MAX_NUM_LCID];
} UE_sched_ctrl;
/*! \brief eNB template for the Random access information */
typedef struct {
/// Flag to indicate this process is active
boolean_t RA_active;
......@@ -690,31 +737,35 @@ typedef struct {
} RA_TEMPLATE;
///subband bitmap coniguration (for ALU icic algo purpose), in test phase
/*! \brief subband bitmap confguration (for ALU icic algo purpose), in test phase */
typedef struct {
uint8_t sbmap[NUMBER_OF_SUBBANDS_MAX]; //13 = number of SB MAX for 100 PRB
uint8_t periodicity;
uint8_t first_subframe;
uint8_t sb_size;
uint8_t nb_active_sb;
} SBMAP_CONF;
//end ALU's algo
/*! \brief UE list used by eNB to order UEs/CC for scheduling*/
typedef struct {
/// DLSCH pdu
DLSCH_PDU DLSCH_pdu[MAX_NUM_CCs][2][NUMBER_OF_UE_MAX];
/// DCI template and MAC connection parameters for UEs
UE_TEMPLATE UE_template[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
/// DCI template and MAC connection for RA processes
int pCC_id[NUMBER_OF_UE_MAX];
/// sorted downlink component carrier for the scheduler
int ordered_CCids[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
/// number of downlink active component carrier
int numactiveCCs[NUMBER_OF_UE_MAX];
/// sorted uplink component carrier for the scheduler
int ordered_ULCCids[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
/// number of uplink active component carrier
int numactiveULCCs[NUMBER_OF_UE_MAX];
/// number of downlink active component carrier
uint8_t dl_CC_bitmap[NUMBER_OF_UE_MAX];
/// eNB to UE statistics
eNB_UE_STATS eNB_UE_stats[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
/// scheduling control info
UE_sched_ctrl UE_sched_ctrl[NUMBER_OF_UE_MAX];
int next[NUMBER_OF_UE_MAX];
......@@ -726,6 +777,7 @@ typedef struct {
boolean_t active[NUMBER_OF_UE_MAX];
} UE_list_t;
/*! \brief eNB common channels */
typedef struct {
/// Outgoing DCI for PHY generated by eNB scheduler
DCI_PDU DCI_pdu;
......@@ -765,12 +817,15 @@ typedef struct {
MCH_PDU MCH_pdu;
#endif
#ifdef CBA
/// number of CBA groups
uint8_t num_active_cba_groups;
/// RNTI for each CBA group
uint16_t cba_rnti[NUM_MAX_CBA_GROUP];
/// MCS for each CBA group
uint8_t group_mcs[NUM_MAX_CBA_GROUP];
#endif
} COMMON_channels_t;
/*! \brief top level eNB MAC structure */
typedef struct {
///
uint16_t Node_id;
......@@ -786,21 +841,43 @@ typedef struct {
/// active flag for Other lcid
// uint8_t lcid_active[NB_RB_MAX];
// eNB stats
/// eNB stats
eNB_STATS eNB_stats[MAX_NUM_CCs];
// 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;
/// 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
} eNB_MAC_INST;
/*
* UE part
*/
/*!\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
......@@ -851,7 +928,7 @@ typedef struct {
// 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;
/// frame counter
......@@ -950,19 +1027,25 @@ typedef struct {
uint8_t msi_status;// could be an array if there are >1 MCH in one MBSFN area
#endif
//#ifdef CBA
/// 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];
//#endif
/// total UE scheduler processing time
time_stats_t ue_scheduler; // total
time_stats_t tx_ulsch_sdu; // inlcude rlc_data_req + mac header gen
time_stats_t rx_dlsch_sdu ; // include mac_rrc_data_ind or mac_rlc_status_ind+mac_rlc_data_ind and mac header parser
/// 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;
time_stats_t rx_si; // include mac_rrc_data_ind
/// UE BCCH rx processing time including RLC interface (mac_rrc_data_ind)
time_stats_t rx_si;
} UE_MAC_INST;
/*! \brief ID of the neighboring cells used for HO*/
typedef struct {
uint16_t cell_ids[6];
uint8_t n_adj_cells;
......
openair2/LAYER2/MAC/eNB_scheduler_bch.c
View file @ 6535680c
......@@ -197,6 +197,10 @@ schedule_SI(
eNB->common_channels[CC_id].bcch_active=1;
nprbP[CC_id]=3;
nCCEP[CC_id]=4;
eNB->eNB_stats[CC_id].total_num_bcch_pdu+=1;
eNB->eNB_stats[CC_id].bcch_buffer=bcch_sdu_length;
eNB->eNB_stats[CC_id].total_bcch_buffer+=bcch_sdu_length;
eNB->eNB_stats[CC_id].bcch_mcs=mcs;
} else {
eNB->common_channels[CC_id].bcch_active=0;
nprbP[CC_id]=0;
......