Commit aabb9dc4 authored by nikaeinn's avatar nikaeinn

* breakdown MAC into multiple files based on the transport channel

* update oaisim event handler to manage configuration event on runtime



git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5577 818b1a75-f10b-46b9-bf7c-635c3b92a50f
parent 1ca500d2
......@@ -44,7 +44,9 @@
#include "PHY/extern.h"
#include "SCHED/extern.h"
#ifdef OPENAIR2
#include "../openair2/LAYER2/MAC/proto.h"
#endif
extern int mac_get_rrc_status(uint8_t Mod_id,uint8_t eNB_flag,uint8_t index);
......
......@@ -27,8 +27,8 @@ static inline unsigned long long rdtsc_oai(void) {
return x;
}
#elif defined(__x86_64__)
static inline unsigned long long rdtsc_oai() __attribute__((always_inline));
static inline unsigned long long rdtsc_oai() {
static inline unsigned long long rdtsc_oai(void) __attribute__((always_inline));
static inline unsigned long long rdtsc_oai(void) {
unsigned long long a, d;
__asm__ volatile ("rdtsc" : "=a" (a), "=d" (d));
return (d<<32) | a;
......
......@@ -28,8 +28,8 @@
*******************************************************************************/
/*! \file config.c
* \brief UE and eNB configuration
* \author Raymond Knopp, Navid Nikaein
* \date 2013
* \author Navid Nikaein and Raymond Knopp
* \date 2010 - 2014
* \version 0.1
* \email: navid.nikaein@eurecom.fr
* @ingroup _mac
......@@ -45,6 +45,7 @@
#include "MeasObjectToAddModList.h"
#include "TDD-Config.h"
#include "defs.h"
#include "proto.h"
#include "extern.h"
#include "UTIL/LOG/log.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
......
......@@ -28,7 +28,7 @@
*******************************************************************************/
/*! \file def.h
* \brief MAC data structures, constant, and function prototype
* \author Raymond Knopp, Navid Nikaein
* \author Navid Nikaein and Raymond Knopp
* \date 2011
* \version 0.5
* \email navid.nikaein@eurecom.fr
......@@ -534,6 +534,34 @@ typedef struct{
} UE_TEMPLATE;
typedef struct{
//UL transmission bandwidth in RBs
uint8_t ul_bandwidth[MAX_NUM_LCID];
//DL transmission bandwidth in RBs
uint8_t dl_bandwidth[MAX_NUM_LCID];
//To do GBR bearer
uint8_t min_ul_bandwidth[MAX_NUM_LCID];
uint8_t min_dl_bandwidth[MAX_NUM_LCID];
//aggregated bit rate of non-gbr bearer per UE
uint64_t ue_AggregatedMaximumBitrateDL;
//aggregated bit rate of non-gbr bearer per UE
uint64_t ue_AggregatedMaximumBitrateUL;
//CQI scheduling interval in subframes.
uint16_t cqiSchedInterval;
//Contention resolution timer used during random access
uint8_t mac_ContentionResolutionTimer;
uint16_t max_allowed_rbs[MAX_NUM_LCID];
uint8_t max_mcs[MAX_NUM_LCID];
uint16_t priority[MAX_NUM_LCID];
} UE_sched_ctrl;
typedef struct {
/// Flag to indicate this process is active
boolean_t RA_active;
......@@ -655,7 +683,7 @@ typedef struct{
eNB_STATS eNB_stats;
/// eNB to UE statistics
eNB_UE_STATS eNB_UE_stats[NUMBER_OF_UE_MAX];
UE_sched_ctrl UE_sched_ctrl[NUMBER_OF_UE_MAX];
// MAC function execution peformance profiler
time_stats_t eNB_scheduler;
time_stats_t schedule_si;
......@@ -912,553 +940,6 @@ int rrc_mac_config_req(module_id_t module_idP,
);
/** \brief First stage of Random-Access Scheduling. Loops over the RA_templates and checks if RAR, Msg3 or its retransmission are to be scheduled in the subframe. It returns the total number of PRB used for RA SDUs. For Msg3 it retrieves the L3msg from RRC and fills the appropriate buffers. For the others it just computes the number of PRBs. Each DCI uses 3 PRBs (format 1A)
for the message.
@param Mod_id Instance ID of eNB
@param frame Frame index
@param subframe Subframe number on which to act
@param nprb Pointer to current PRB count
@param nCCE Pointer to current nCCE count
*/
void schedule_RA(module_id_t module_idP,frame_t frameP,sub_frame_t subframe,uint8_t Msg3_subframe,uint8_t *nprb,unsigned int *nCCE);
/** \brief First stage of SI Scheduling. Gets a SI SDU from RRC if available and computes the MCS required to transport it as a function of the SDU length. It assumes a length less than or equal to 64 bytes (MCS 6, 3 PRBs).
@param Mod_id Instance ID of eNB
@param frame Frame index
@param subframe Subframe number on which to act
@param Msg3_subframe Subframe where Msg3 will be transmitted
@param nprb Pointer to current PRB count
@param nCCE Pointer to current nCCE count
*/
void schedule_SI(module_id_t module_idP,frame_t frameP,uint8_t *nprb,unsigned int *nCCE);
/** \brief MBMS scheduling: Checking the position for MBSFN subframes. Create MSI, transfer MCCH from RRC to MAC, transfer MTCHs from RLC to MAC. Multiplexing MSI,MCCH&MTCHs. Return 1 if there are MBSFN data being allocated, otherwise return 0;
@param Mod_id Instance ID of eNB
@param frame Frame index
@param subframe Subframe number on which to act
*/
int schedule_MBMS(module_id_t module_idP,frame_t frameP, sub_frame_t subframe);
/** \brief check the mapping between sf allocation and sync area, Currently only supports 1:1 mapping
@param Mod_id Instance ID of eNB
@param mbsfn_sync_area index of mbsfn sync area
@param[out] index of sf pattern
*/
int8_t get_mbsfn_sf_alloction (module_id_t module_idP, uint8_t mbsfn_sync_area);
/** \brief check the mapping between sf allocation and sync area, Currently only supports 1:1 mapping
@param Mod_id Instance ID of eNB
@param mbsfn_sync_area index of mbsfn sync area
@param eNB_index index of eNB
@param[out] index of sf pattern
*/
int8_t ue_get_mbsfn_sf_alloction (module_id_t module_idP, uint8_t mbsfn_sync_area, unsigned char eNB_index);
/** \brief top ULSCH Scheduling for TDD (config 1-6).
@param Mod_id Instance ID of eNB
@param frame Frame index
@param subframe Subframe number on which to act
@param sched_subframe Subframe number where PUSCH is transmitted (for DAI lookup)
@param nCCE Pointer to current nCCE count
*/
void schedule_ulsch(module_id_t module_idP,frame_t frameP,unsigned char cooperation_flag,sub_frame_t subframe,unsigned char sched_subframe,unsigned int *nCCE);
/** \brief ULSCH Scheduling per RNTI TDD config (config 1-6).
@param Mod_id Instance ID of eNB
@param frame Frame index
@param subframe Subframe number on which to act
@param sched_subframe Subframe number where PUSCH is transmitted (for DAI lookup)
@param nCCE Pointer to current nCCE count
*/
void schedule_ulsch_rnti(module_id_t module_idP, unsigned char cooperation_flag, frame_t frameP, sub_frame_t subframe, unsigned char sched_subframe, uint8_t granted_UEs, unsigned int *nCCE, unsigned int *nCCE_available, uint16_t *first_rb);
/** \brief ULSCH Scheduling for CBA RNTI TDD config (config 1-6).
@param Mod_id Instance ID of eNB
@param frame Frame index
@param subframe Subframe number on which to act
@param sched_subframe Subframe number where PUSCH is transmitted (for DAI lookup)
@param nCCE Pointer to current nCCE count
*/
void schedule_ulsch_cba_rnti(module_id_t module_idP, unsigned char cooperation_flag, frame_t frameP, sub_frame_t subframe, unsigned char sched_subframe, uint8_t granted_UEs, unsigned int *nCCE, unsigned int *nCCE_available, uint16_t *first_rb);
/** \brief Second stage of DLSCH scheduling, after schedule_SI, schedule_RA and schedule_dlsch have been called. This routine first allocates random frequency assignments for SI and RA SDUs using distributed VRB allocations and adds the corresponding DCI SDU to the DCI buffer for PHY. It then loops over the UE specific DCIs previously allocated and fills in the remaining DCI fields related to frequency allocation. It assumes localized allocation of type 0 (DCI.rah=0). The allocation is done for tranmission modes 1,2,4.
@param Mod_id Instance of eNB
@param frame Frame index
@param subframe Index of subframe
@param rballoc Bitmask for allowable subband allocations
@param RA_scheduled RA was scheduled in this subframe
@param mbsfn_flag Indicates that this subframe is for MCH/MCCH
*/
void fill_DLSCH_dci(module_id_t module_idP,frame_t frameP,sub_frame_t subframe,uint32_t rballoc,uint8_t RA_scheduled,int mbsfn_flag);
/** \brief UE specific DLSCH scheduling. Retrieves next ue to be schduled from round-robin scheduler and gets the appropriate harq_pid for the subframe from PHY. If the process is active and requires a retransmission, it schedules the retransmission with the same PRB count and MCS as the first transmission. Otherwise it consults RLC for DCCH/DTCH SDUs (status with maximum number of available PRBS), builds the MAC header (timing advance sent by default) and copies
@param Mod_id Instance ID of eNB
@param frame Frame index
@param subframe Subframe on which to act
@param nb_rb_used0 Number of PRB used by SI/RA
@param nCCE_used Number of CCE used by SI/RA
@param mbsfn_flag Indicates that MCH/MCCH is in this subframe
*/
void schedule_ue_spec(module_id_t module_idP,frame_t frameP,sub_frame_t subframe,uint16_t nb_rb_used0,unsigned int *nCCE_used,int mbsfn_flag);
/** \brief Function for UE/PHY to compute PUSCH transmit power in power-control procedure.
@param Mod_id Module id of UE
@returns Po_NOMINAL_PUSCH (PREAMBLE_RECEIVED_TARGET_POWER+DELTA_PREAMBLE
*/
int8_t get_Po_NOMINAL_PUSCH(module_id_t module_idP);
/** \brief Function to compute DELTA_PREAMBLE from 36.321 (for RA power ramping procedure and Msg3 PUSCH power control policy)
@param Mod_id Module id of UE
@returns DELTA_PREAMBLE
*/
int8_t get_DELTA_PREAMBLE(module_id_t module_idP);
/** \brief Function for compute deltaP_rampup from 36.321 (for RA power ramping procedure and Msg3 PUSCH power control policy)
@param Mod_id Module id of UE
@returns deltaP_rampup
*/
int8_t get_deltaP_rampup(module_id_t module_idP);
//main.c
void chbch_phy_sync_success(module_id_t module_idP,frame_t frameP,uint8_t eNB_index);
void mrbch_phy_sync_failure(module_id_t module_idP, frame_t frameP,uint8_t free_eNB_index);
int mac_top_init(int eMBMS_active, uint8_t cba_group_active, uint8_t HO_active);
char layer2_init_UE(module_id_t module_idP);
char layer2_init_eNB(module_id_t module_idP, uint8_t Free_ch_index);
void mac_switch_node_function(module_id_t module_idP);
int mac_init_global_param(void);
void mac_top_cleanup(void);
void mac_UE_out_of_sync_ind(module_id_t module_idP,frame_t frameP, uint16_t eNB_index);
// eNB functions
/* \brief This function assigns pre-available RBS to each UE in specified sub-bands before scheduling is done
@param Mod_id Instance ID of eNB
@param frame Index of frame
@param subframe Index of current subframe
@param dl_pow_off Pointer to store resulting power offset for DCI
@param pre_nb_available_rbs Pointer to store number of remaining rbs after scheduling
@param N_RBS Number of resource block groups
@param rb_alloc_sub Table of resource block groups allocated to each UE
*/
void dlsch_scheduler_pre_processor (module_id_t module_idP,
frame_t frameP,
sub_frame_t subframe,
uint8_t *dl_pow_off,
uint16_t *pre_nb_available_rbs,
int N_RBGS,
unsigned char rballoc_sub_UE[NUMBER_OF_UE_MAX][N_RBGS_MAX]);
/* \brief Function to trigger the eNB scheduling procedure. It is called by PHY at the beginning of each subframe, \f$n$\f
and generates all DLSCH allocations for subframe \f$n\f$ and ULSCH allocations for subframe \f$n+k$\f. The resultant DCI_PDU is
ready after returning from this call.
@param Mod_id Instance ID of eNB
@param cooperation_flag Flag to indicated that this cell has cooperating nodes (i.e. that there are collaborative transport channels that
can be scheduled.
@param subframe Index of current subframe
@param calibration_flag Flag to indicate that eNB scheduler should schedule TDD auto-calibration PUSCH.
*/
void eNB_dlsch_ulsch_scheduler(module_id_t module_idP, uint8_t cooperation_flag, frame_t frameP, sub_frame_t subframeP);//, int calibration_flag);
/* \brief Function to retrieve result of scheduling (DCI) in current subframe. Can be called an arbitrary numeber of times after eNB_dlsch_ulsch_scheduler
in a given subframe.
@param Mod_id Instance ID of eNB
@param subframe Index of current subframe
@returns Pointer to generated DCI for subframe
*/
DCI_PDU *get_dci_sdu(module_id_t module_idP,frame_t frameP,sub_frame_t subframe);
/* \brief Function to indicate a received preamble on PRACH. It initiates the RA procedure.
@param Mod_id Instance ID of eNB
@param preamble_index index of the received RA request
@param timing_offset Offset in samples of the received PRACH w.r.t. eNB timing. This is used to
*/
void initiate_ra_proc(module_id_t module_idP,frame_t frameP, uint16_t preamble_index,int16_t timing_offset,uint8_t sect_id,sub_frame_t subframe,uint8_t f_id);
/* \brief Function in eNB to fill RAR pdu when requested by PHY. This provides a single RAR SDU for the moment and returns the t-CRNTI.
@param Mod_id Instance ID of eNB
@param dlsch_buffer Pointer to DLSCH input buffer
@param N_RB_UL Number of UL resource blocks
@returns t_CRNTI
*/
uint16_t fill_rar(module_id_t module_idP,
frame_t frameP,
uint8_t *dlsch_buffer,
uint16_t N_RB_UL,
uint8_t input_buffer_length);
/* \brief This function indicates the end of RA procedure and provides the l3msg received on ULSCH.
@param Mod_id Instance ID of eNB
@param rnti RNTI of UE transmitting l3msg
@param l3msg Pointer to received l3msg
*/
void terminate_ra_proc(module_id_t module_idP,frame_t frameP, rnti_t rnti, uint8_t *l3msg, uint16_t l3msg_len);
/* \brief Function to indicate a failed RA response. It removes all temporary variables related to the initial connection of a UE
@param Mod_id Instance ID of eNB
@param preamble_index index of the received RA request.
*/
void cancel_ra_proc(module_id_t module_idP,frame_t frameP, uint16_t preamble_index);
/* \brief Function to indicate a received SDU on ULSCH.
@param Mod_id Instance ID of eNB
@param rnti RNTI of UE transmitting the SR
@param sdu Pointer to received SDU
*/
void rx_sdu(module_id_t module_idP, frame_t frameP, rnti_t rnti, uint8_t *sdu, uint16_t sdu_len);
/* \brief Function to indicate a scheduled schduling request (SR) was received by eNB.
@param Mod_id Instance ID of eNB
@param rnti RNTI of UE transmitting the SR
@param subframe Index of subframe where SR was received
*/
void SR_indication(module_id_t module_idP,frame_t frameP,rnti_t rnti, sub_frame_t subframe);
uint8_t *get_dlsch_sdu(module_id_t module_idP,frame_t frameP,rnti_t rnti,uint8_t TBindex);
/* \brief Function to retrieve MCH transport block and MCS used for MCH in this MBSFN subframe. Returns null if no MCH is to be transmitted
@param Mod_id Instance ID of eNB
@param frame Index of frame
@param subframe Index of current subframe
@param mcs Pointer to mcs used by PHY (to be filled by MAC)
@returns Pointer to MCH transport block and mcs for subframe
*/
MCH_PDU *get_mch_sdu(uint8_t Mod_id,uint32_t frame,uint32_t subframe);
//added for ALU icic purpose
uint32_t Get_Cell_SBMap(module_id_t module_idP);
void UpdateSBnumber(module_id_t module_idP);
//end ALU's algo
void ue_mac_reset (module_id_t module_idP,uint8_t eNB_index);
void ue_init_mac (module_id_t module_idP);
void init_ue_sched_info(void);
void add_ue_ulsch_info (module_id_t module_idP, module_id_t ue_mod_idP, sub_frame_t subframe,UE_ULSCH_STATUS status);
void add_ue_dlsch_info (module_id_t module_idP, module_id_t ue_mod_idP, sub_frame_t subframe,UE_DLSCH_STATUS status);
module_id_t find_UE_id (module_id_t module_idP, rnti_t rnti) ;
rnti_t find_UE_RNTI (module_id_t module_idP, module_id_t ue_mod_idP);
uint8_t find_active_UEs (module_id_t module_idP);
boolean_t is_UE_active (module_id_t module_idP, module_id_t ue_mod_idP );
uint8_t find_ulgranted_UEs(module_id_t module_idP);
uint8_t find_dlgranted_UEs(module_id_t module_idP);
uint8_t process_ue_cqi (module_id_t module_idP, module_id_t ue_mod_idP);
int8_t find_active_UEs_with_traffic(module_id_t module_idP);
uint8_t find_num_active_UEs_in_cbagroup(module_id_t module_idP, unsigned char group_id);
uint8_t UE_is_to_be_scheduled(module_id_t module_idP,uint8_t UE_id);
/** \brief Round-robin scheduler for ULSCH traffic.
@param Mod_id Instance ID for eNB
@param subframe Subframe number on which to act
@returns UE index that is to be scheduled if needed/room
*/
module_id_t schedule_next_ulue(module_id_t module_idP, module_id_t ue_mod_idP,sub_frame_t subframe);
/** \brief Round-robin scheduler for DLSCH traffic.
@param Mod_id Instance ID for eNB
@param subframe Subframe number on which to act
@returns UE index that is to be scheduled if needed/room
*/
module_id_t schedule_next_dlue(module_id_t module_idP, sub_frame_t subframe);
/* \brief Allocates a set of PRBS for a particular UE. This is a simple function for the moment, later it should process frequency-domain CQI information and/or PMI information. Currently it just returns the first PRBS that are available in the subframe based on the number requested.
@param UE_id Index of UE on which to act
@param nb_rb Number of PRBs allocated to UE by scheduler
@param rballoc Pointer to bit-map of current PRB allocation given to previous users/control channels. This is updated for subsequent calls to the routine.
@returns an rballoc bitmap for resource type 0 allocation (DCI).
*/
uint32_t allocate_prbs(module_id_t ue_mod_idP,uint8_t nb_rb, uint32_t *rballoc);
/* \fn uint32_t req_new_ulsch(module_id_t module_idP)
\brief check for a new transmission in any drb
@param Mod_id Instance id of UE in machine
@returns 1 for new transmission, 0 for none
*/
uint32_t req_new_ulsch(module_id_t module_idP);
/* \brief Get SR payload (0,1) from UE MAC
@param Mod_id Instance id of UE in machine
@param eNB_id Index of eNB that UE is attached to
@param rnti C_RNTI of UE
@param subframe subframe number
@returns 0 for no SR, 1 for SR
*/
uint32_t ue_get_SR(module_id_t module_idP, frame_t frameP, uint8_t eNB_id,rnti_t rnti,sub_frame_t subframe);
uint8_t get_ue_weight(module_id_t module_idP, module_id_t ue_mod_idP);
// UE functions
void mac_out_of_sync_ind(module_id_t module_idP, frame_t frameP, uint16_t CH_index);
void ue_decode_si(module_id_t module_idP, frame_t frame, uint8_t CH_index, void *pdu, uint16_t len);
void ue_send_sdu(module_id_t module_idP, frame_t frame, uint8_t *sdu,uint16_t sdu_len,uint8_t CH_index);
#ifdef Rel10
/* \brief Called by PHY to transfer MCH transport block to ue MAC.
@param Mod_id Index of module instance
@param frame Frame index
@param sdu Pointer to transport block
@param sdu_len Length of transport block
@param eNB_index Index of attached eNB
@param sync_area the index of MBSFN sync area
*/
void ue_send_mch_sdu(module_id_t module_idP,frame_t frameP,uint8_t *sdu,uint16_t sdu_len,uint8_t eNB_index,uint8_t sync_area) ;
/*\brief Function to check if UE PHY needs to decode MCH for MAC.
@param Mod_id Index of protocol instance
@param frame Index of frame
@param subframe Index of subframe
@param eNB_index index of eNB for this MCH
@param[out] sync_area return the sync area
@param[out] mcch_active flag indicating whether this MCCH is active in this SF
*/
int ue_query_mch(uint8_t Mod_id,uint32_t frame,sub_frame_t subframe, uint8_t eNB_index, uint8_t *sync_area, uint8_t *mcch_active);
#endif
/* \brief Called by PHY to get sdu for PUSCH transmission. It performs the following operations: Checks BSR for DCCH, DCCH1 and DTCH corresponding to previous values computed either in SR or BSR procedures. It gets rlc status indications on DCCH,DCCH1 and DTCH and forms BSR elements and PHR in MAC header. CRNTI element is not supported yet. It computes transport block for up to 3 SDUs and generates header and forms the complete MAC SDU.
@param Mod_id Instance id of UE in machine
@param eNB_id Index of eNB that UE is attached to
@param rnti C_RNTI of UE
@param subframe subframe number
@returns 0 for no SR, 1 for SR
*/
void ue_get_sdu(module_id_t module_idP, frame_t frameP, sub_frame_t subframe, uint8_t eNB_index,uint8_t *ulsch_buffer,uint16_t buflen,uint8_t *access_mode);
/* \brief Function called by PHY to retrieve information to be transmitted using the RA procedure. If the UE is not in PUSCH mode for a particular eNB index, this is assumed to be an Msg3 and MAC attempts to retrieves the CCCH message from RRC. If the UE is in PUSCH mode for a particular eNB index and PUCCH format 0 (Scheduling Request) is not activated, the MAC may use this resource for random-access to transmit a BSR along with the C-RNTI control element (see 5.1.4 from 36.321)
@param Mod_id Index of UE instance
@param New_Msg3 Flag to indicate this call is for a new Msg3
@param subframe Index of subframe for PRACH transmission (0 ... 9)
@returns A pointer to a PRACH_RESOURCES_t */
PRACH_RESOURCES_t *ue_get_rach(module_id_t module_idP,frame_t frameP,uint8_t new_Msg3,sub_frame_t subframe);
/* \brief Function called by PHY to process the received RAR. It checks that the preamble matches what was sent by the eNB and provides the timing advance and t-CRNTI.
@param Mod_id Index of UE instance
@param dlsch_buffer Pointer to dlsch_buffer containing RAR PDU
@param t_crnti Pointer to PHY variable containing the T_CRNTI
@param preamble_index Preamble Index used by PHY to transmit the PRACH. This should match the received RAR to trigger the rest of
random-access procedure
@returns timing advance or 0xffff if preamble doesn't match
*/
uint16_t ue_process_rar(module_id_t module_idP, frame_t frameP,uint8_t *dlsch_buffer,uint16_t *t_crnti,uint8_t preamble_index);
/* \brief Generate header for UL-SCH. This function parses the desired control elements and sdus and generates the header as described
in 36-321 MAC layer specifications. It returns the number of bytes used for the header to be used as an offset for the payload
in the ULSCH buffer.
@param mac_header Pointer to the first byte of the MAC header (UL-SCH buffer)
@param num_sdus Number of SDUs in the payload
@param short_padding Number of bytes for short padding (0,1,2)
@param sdu_lengths Pointer to array of SDU lengths
@param sdu_lcids Pointer to array of LCIDs (the order must be the same as the SDU length array)
@param power_headroom Pointer to power headroom command (NULL means not present in payload)
@param crnti Pointer to CRNTI command (NULL means not present in payload)
@param truncated_bsr Pointer to Truncated BSR command (NULL means not present in payload)
@param short_bsr Pointer to Short BSR command (NULL means not present in payload)
@param long_bsr Pointer to Long BSR command (NULL means not present in payload)
@param post_padding Number of bytes for padding at the end of MAC PDU
@returns Number of bytes used for header
*/
unsigned char generate_ulsch_header(uint8_t *mac_header,
uint8_t num_sdus,
uint8_t short_padding,
uint16_t *sdu_lengths,
uint8_t *sdu_lcids,
POWER_HEADROOM_CMD *power_headroom,
uint16_t *crnti,
BSR_SHORT *truncated_bsr,
BSR_SHORT *short_bsr,
BSR_LONG *long_bsr,
unsigned short post_padding);
/* \brief Parse header for UL-SCH. This function parses the received UL-SCH header as described
in 36-321 MAC layer specifications. It returns the number of bytes used for the header to be used as an offset for the payload
in the ULSCH buffer.
@param mac_header Pointer to the first byte of the MAC header (UL-SCH buffer)
@param num_ces Number of SDUs in the payload
@param num_sdu Number of SDUs in the payload
@param rx_ces Pointer to received CEs in the header
@param rx_lcids Pointer to array of LCIDs (the order must be the same as the SDU length array)
@param rx_lengths Pointer to array of SDU lengths
@returns Pointer to payload following header
*/
uint8_t *parse_ulsch_header(uint8_t *mac_header,
uint8_t *num_ce,
uint8_t *num_sdu,
uint8_t *rx_ces,
uint8_t *rx_lcids,
uint16_t *rx_lengths,
uint16_t tx_lenght);
int l2_init(LTE_DL_FRAME_PARMS *frame_parms,int eMBMS_active, uint8_t cba_group_active, uint8_t HO_active);
int mac_init(void);
int8_t add_new_ue(module_id_t module_idP, rnti_t rnti);
int8_t mac_remove_ue(module_id_t enb_mod_idP, module_id_t ue_mod_idP);
/*! \fn UE_L2_state_t ue_scheduler(module_id_t module_idP,frame_t frameP, sub_frame_t subframe, lte_subframe_t direction,uint8_t eNB_index)
\brief UE scheduler where all the ue background tasks are done. This function performs the following: 1) Trigger PDCP every 5ms 2) Call RRC for link status return to PHY3) Perform SR/BSR procedures for scheduling feedback 4) Perform PHR procedures.
\param[in] module_idP instance of the UE
\param[in] subframe t the subframe number
\param[in] direction subframe direction
\param[in] eNB_index instance of eNB
@returns L2 state (CONNETION_OK or CONNECTION_LOST or PHY_RESYNCH)
*/
UE_L2_STATE_t ue_scheduler(module_id_t module_idP,frame_t frameP, sub_frame_t subframe, lte_subframe_t direction,uint8_t eNB_index);
/*! \fn int use_cba_access(module_id_t module_idP,frame_t frameP,sub_frame_t subframe, uint8_t eNB_index);
\brief determine whether to use cba resource to transmit or not
\param[in] Mod_id instance of the UE
\param[in] frame the frame number
\param[in] subframe the subframe number
\param[in] eNB_index instance of eNB
\param[out] access(1) or postpone (0)
*/
int use_cba_access(module_id_t module_idP,frame_t frameP,sub_frame_t subframe, uint8_t eNB_index);
/*! \fn int get_bsr_lcgid (module_id_t module_idP);
\brief determine the lcgid for the bsr
\param[in] Mod_id instance of the UE
\param[out] lcgid
*/
int get_bsr_lcgid (module_id_t module_idP);
/*! \fn uint8_t get_bsr_len (module_id_t module_idP, uint16_t bufflen);
\brief determine whether the bsr is short or long assuming that the MAC pdu is built
\param[in] Mod_id instance of the UE
\param[in] bufflen size of phy transport block
\param[out] bsr_len size of bsr control element
*/
uint8_t get_bsr_len (module_id_t module_idP, uint16_t buflen);
/*! \fn BSR_SHORT * get_bsr_short(module_id_t module_idP, uint8_t bsr_len)
\brief get short bsr level
\param[in] Mod_id instance of the UE
\param[in] bsr_len indicator for no, short, or long bsr
\param[out] bsr_s pointer to short bsr
*/
BSR_SHORT *get_bsr_short(module_id_t module_idP, uint8_t bsr_len);
/*! \fn BSR_LONG * get_bsr_long(module_id_t module_idP, uint8_t bsr_len)
\brief get long bsr level
\param[in] Mod_id instance of the UE
\param[in] bsr_len indicator for no, short, or long bsr
\param[out] bsr_l pointer to long bsr
*/
BSR_LONG * get_bsr_long(module_id_t module_idP, uint8_t bsr_len);
/*! \fn boolean_t update_bsr(module_id_t module_idP, frame_t frameP, uint8_t lcid)
\brief get the rlc stats and update the bsr level for each lcid
\param[in] Mod_id instance of the UE
\param[in] frame Frame index
\param[in] lcid logical channel identifier
*/
boolean_t update_bsr(module_id_t module_idP, frame_t frameP, uint8_t lcid, uint8_t lcgid);
/*! \fn locate (int *table, int size, int value)
\brief locate the BSR level in the table as defined in 36.321. This function requires that he values in table to be monotonic, either increasing or decreasing. The returned value is not less than 0, nor greater than n-1, where n is the size of table.
\param[in] *table Pointer to BSR table
\param[in] size Size of the table
\param[in] value Value of the buffer
\return the index in the BSR_LEVEL table
*/
uint8_t locate (const uint32_t *table, int size, int value);
/*! \fn int get_sf_periodicBSRTimer(uint8_t periodicBSR_Timer)
\brief get the number of subframe from the periodic BSR timer configured by the higher layers
\param[in] periodicBSR_Timer timer for periodic BSR
\return the number of subframe
*/
int get_sf_periodicBSRTimer(uint8_t bucketSize);
/*! \fn int get_ms_bucketsizeduration(uint8_t bucketSize)
\brief get the time in ms form the bucket size duration configured by the higher layer
\param[in] bucketSize the bucket size duration
\return the time in ms
*/
int get_ms_bucketsizeduration(uint8_t bucketsizeduration);
/*! \fn int get_sf_retxBSRTimer(uint8_t retxBSR_Timer)
\brief get the number of subframe form the bucket size duration configured by the higher layer
\param[in] retxBSR_Timer timer for regular BSR
\return the time in sf
*/
int get_sf_retxBSRTimer(uint8_t retxBSR_Timer);
/*! \fn int get_sf_perioidicPHR_Timer(uint8_t perioidicPHR_Timer){
\brief get the number of subframe form the periodic PHR timer configured by the higher layer
\param[in] perioidicPHR_Timer timer for reguluar PHR
\return the time in sf
*/
int get_sf_perioidicPHR_Timer(uint8_t perioidicPHR_Timer);
/*! \fn int get_sf_prohibitPHR_Timer(uint8_t prohibitPHR_Timer)
\brief get the number of subframe form the prohibit PHR duration configured by the higher layer
\param[in] prohibitPHR_Timer timer for PHR
\return the time in sf
*/
int get_sf_prohibitPHR_Timer(uint8_t prohibitPHR_Timer);
/*! \fn int get_db_dl_PathlossChange(uint8_t dl_PathlossChange)
\brief get the db form the path loss change configured by the higher layer
\param[in] dl_PathlossChange path loss for PHR
\return the pathloss in db
*/
int get_db_dl_PathlossChange(uint8_t dl_PathlossChange);
/*! \fn uint8_t get_phr_mapping (module_id_t module_idP, uint8_t eNB_index)
\brief get phr mapping as described in 36.313
\param[in] Mod_id index of eNB
\return phr mapping
*/
uint8_t get_phr_mapping (module_id_t module_idP, uint8_t eNB_index);
/*! \fn void update_phr (module_id_t module_idP)
\brief update/reset the phr timers
\param[in] Mod_id index of eNB
\return void
*/
void update_phr (module_id_t module_idP);
/*! \brief Function to indicate Msg3 transmission/retransmission which initiates/reset Contention Resolution Timer
\param[in] Mod_id Instance index of UE
\param[in] eNB_id Index of eNB
*/
void Msg3_tx(module_id_t module_idP,frame_t frameP,uint8_t eNB_id);
/*! \brief Function to indicate the transmission of msg1/rach
\param[in] Mod_id Instance index of UE
\param[in] eNB_id Index of eNB
*/
void Msg1_tx(module_id_t module_idP,frame_t frameP, uint8_t eNB_id);
void dl_phy_sync_success(module_id_t module_idP,
frame_t frameP,
unsigned char eNB_index,
uint8_t first_sync);
int dump_eNB_l2_stats(char *buffer, int length);
double uniform_rngen(int min, int max);
/*@}*/
#endif /*__LAYER2_MAC_DEFS_H__ */
......
This source diff could not be displayed because it is too large. You can view the blob instead.
/*******************************************************************************
Eurecom OpenAirInterface
Copyright(c) 1999 - 2010 Eurecom
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information
Openair Admin: openair_admin@eurecom.fr
Openair Tech : openair_tech@eurecom.fr
Forums : http://forums.eurecom.fsr/openairinterface
Address : Eurecom, 2229, route des crêtes, 06560 Valbonne Sophia Antipolis, France
*******************************************************************************/
/*! \file eNB_scheduler.c
* \brief procedures related to UE on the BCH transport channel
* \author Navid Nikaein and Raymond Knopp
* \date 2011
* \email: navid.nikaein@eurecom.fr
* \version 0.5
* @ingroup _mac
*/
#include "assertions.h"
#include "PHY/defs.h"
#include "PHY/extern.h"
#include "SCHED/defs.h"
#include "SCHED/extern.h"
#include "LAYER2/MAC/defs.h"
#include "LAYER2/MAC/proto.h"
#include "LAYER2/MAC/extern.h"
#include "UTIL/LOG/log.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#include "UTIL/OPT/opt.h"
#include "OCG.h"
#include "OCG_extern.h"
#include "ARCH/CBMIMO1/DEVICE_DRIVER/extern.h"
#include "ARCH/CBMIMO1/DEVICE_DRIVER/defs.h"
#include "ARCH/CBMIMO1/DEVICE_DRIVER/from_grlib_softregs.h"
#include "RRC/LITE/extern.h"
#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h"
//#include "LAYER2/MAC/pre_processor.c"
#include "pdcp.h"
#if defined(ENABLE_ITTI)
# include "intertask_interface.h"
#endif
#define ENABLE_MAC_PAYLOAD_DEBUG
#define DEBUG_eNB_SCHEDULER 1
void schedule_SI(module_id_t module_idP,frame_t frameP, unsigned char *nprb,unsigned int *nCCE) {
start_meas(&eNB_mac_inst[module_idP].schedule_si);