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Commit 70da4b59 authored by Xu Bo's avatar Xu Bo
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modify pre_scd thread and add phy_tx and rf_tx thread

parent d6dfd5f8
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openair1/PHY/LTE_TRANSPORT/dci_tools.c
View file @ 70da4b59
......@@ -1071,7 +1071,11 @@ void fill_dci_and_dlsch(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,DCI_ALLOC_t *dci
}
dlsch0_harq->ndi = rel8->new_data_indicator_1;
#ifdef UE_EXPANSION
dlsch0->active[subframe] = 1;
#else
dlsch0->active = 1;
#endif
if (rel8->rnti_type == 2)
dlsch0_harq->round = 0;
LOG_D(PHY,"NFAPI: harq_pid %d harq_mask %x, round %d ndi (%d,%d) rnti type %d\n",rel8->harq_process,dlsch0->harq_mask,dlsch0_harq->round,
......@@ -1237,7 +1241,11 @@ LOG_D(PHY,"NFAPI: harq_pid %d harq_mask %x, round %d ndi (%d,%d) rnti type %d\n"
dlsch0_harq->Qm = 2;
dlsch0_harq->TBS = TBStable[I_mcs][NPRB-1];
dlsch0->harq_ids[subframe] = rel8->harq_process;
#ifdef UE_EXPANSION
dlsch0->active[subframe] = 1;
#else
dlsch0->active = 1;
#endif
dlsch0->rnti = rel8->rnti;
dlsch0->harq_ids[subframe] = rel8->harq_process;
if (dlsch0_harq->round == 0)
......@@ -1251,7 +1259,11 @@ LOG_D(PHY,"NFAPI: harq_pid %d harq_mask %x, round %d ndi (%d,%d) rnti type %d\n"
case NFAPI_DL_DCI_FORMAT_1:
dci_alloc->format = format1;
#ifdef UE_EXPANSION
dlsch0->active[subframe] = 1;
#else
dlsch0->active = 1;
#endif
LOG_D(PHY,"Frame %d, Subframe %d: Programming DLSCH for Format 1 DCI, harq_pid %d\n",proc->frame_tx,subframe,rel8->harq_process);
......@@ -1388,7 +1400,11 @@ LOG_D(PHY,"NFAPI: harq_pid %d harq_mask %x, round %d ndi (%d,%d) rnti type %d\n"
dlsch0_harq->dl_power_off = 1;
#ifdef UE_EXPANSION
dlsch0->active[subframe] = 1;
#else
dlsch0->active = 1;
#endif
......@@ -1591,19 +1607,32 @@ LOG_D(PHY,"NFAPI: harq_pid %d harq_mask %x, round %d ndi (%d,%d) rnti type %d\n"
// assume both TBs are active
dlsch0_harq->Nl = 1;
dlsch1_harq->Nl = 1;
#ifdef UE_EXPANSION
dlsch0->active[subframe] = 1;
dlsch1->active[subframe] = 1;
#else
dlsch0->active = 1;
dlsch1->active = 1;
#endif
dlsch0->harq_mask |= (1<<rel8->harq_process);
dlsch1->harq_mask |= (1<<rel8->harq_process);
// check if either TB is disabled (see 36-213 V11.3 Section )
if ((dlsch0_harq->rvidx == 1) && (dlsch0_harq->mcs == 0)) {
#ifdef UE_EXPANSION
dlsch0->active[subframe] = 0;
#else
dlsch0->active = 0;
#endif
dlsch0->harq_mask &= ~(1<<rel8->harq_process);
}
if ((dlsch1_harq->rvidx == 1) && (dlsch1_harq->mcs == 0)) {
#ifdef UE_EXPANSION
dlsch1->active[subframe]= 0;
#else
dlsch1->active = 0;
#endif
dlsch1->harq_mask &= ~(1<<rel8->harq_process);
}
......@@ -1615,8 +1644,11 @@ LOG_D(PHY,"NFAPI: harq_pid %d harq_mask %x, round %d ndi (%d,%d) rnti type %d\n"
dlsch0_harq->TBS = TBStable[get_I_TBS(dlsch0_harq->mcs)][dlsch0_harq->nb_rb-1];
dlsch1_harq->TBS = TBStable[get_I_TBS(dlsch1_harq->mcs)][dlsch0_harq->nb_rb-1];
#ifdef UE_EXPANSION
if ((dlsch0->active[subframe]==1) && (dlsch1->active[subframe]==1)) {
#else
if ((dlsch0->active==1) && (dlsch1->active==1)) {
#endif
dlsch0_harq->mimo_mode = LARGE_CDD;
dlsch1_harq->mimo_mode = LARGE_CDD;
dlsch0_harq->dl_power_off = 1;
......@@ -1626,7 +1658,11 @@ LOG_D(PHY,"NFAPI: harq_pid %d harq_mask %x, round %d ndi (%d,%d) rnti type %d\n"
dlsch1_harq->mimo_mode = ALAMOUTI;
}
} else if (fp->nb_antenna_ports_eNB == 4) { // 4 antenna case
#ifdef UE_EXPANSION
if ((dlsch0->active[subframe]==1) && (dlsch1->active[subframe]==1)) {
#else
if ((dlsch0->active==1) && (dlsch1->active==1)) {
#endif
switch (rel8->precoding_information) {
case 0: // one layer per transport block
dlsch0_harq->mimo_mode = LARGE_CDD;
......@@ -1666,7 +1702,11 @@ LOG_D(PHY,"NFAPI: harq_pid %d harq_mask %x, round %d ndi (%d,%d) rnti type %d\n"
LOG_E(PHY,"Illegal value (3) for TPMI in Format 2A DCI\n");
break;
}
#ifdef UE_EXPANSION
} else if (dlsch0->active[subframe] == 1) {
#else
} else if (dlsch0->active == 1) {
#endif
switch (rel8->precoding_information) {
case 0: // one layer per transport block
dlsch0_harq->mimo_mode = ALAMOUTI;
......@@ -1686,7 +1726,11 @@ LOG_D(PHY,"NFAPI: harq_pid %d harq_mask %x, round %d ndi (%d,%d) rnti type %d\n"
LOG_E(PHY,"Illegal value %d for TPMI in Format 2A DCI with one transport block enabled\n",rel8->precoding_information);
break;
}
#ifdef UE_EXPANSION
} else if (dlsch1->active[subframe] == 1) {
#else
} else if (dlsch1->active == 1) {
#endif
switch (rel8->precoding_information) {
case 0: // one layer per transport block
dlsch0_harq->mimo_mode = ALAMOUTI;
......@@ -1712,10 +1756,18 @@ LOG_D(PHY,"NFAPI: harq_pid %d harq_mask %x, round %d ndi (%d,%d) rnti type %d\n"
}
// reset HARQ process if this is the first transmission
#ifdef UE_EXPANSION
if ((dlsch0->active[subframe]==1) && (dlsch0_harq->round == 0))
#else
if ((dlsch0->active==1) && (dlsch0_harq->round == 0))
#endif
dlsch0_harq->status = ACTIVE;
#ifdef UE_EXPANSION
if ((dlsch1->active[subframe]==1) && (dlsch1_harq->round == 0))
#else
if ((dlsch1->active==1) && (dlsch1_harq->round == 0))
#endif
dlsch1_harq->status = ACTIVE;
dlsch0->rnti = rel8->rnti;
......@@ -1881,8 +1933,13 @@ LOG_D(PHY,"NFAPI: harq_pid %d harq_mask %x, round %d ndi (%d,%d) rnti type %d\n"
printf("RV0 = %d, RV1 = %d. MCS0 = %d, MCS1=%d\n", rel8->redundancy_version_1, rel8->redundancy_version_2, rel8->mcs_1, rel8->mcs_2);
#endif
if (TB0_active && TB1_active && rel8->transport_block_to_codeword_swap_flag==0) {
#ifdef UE_EXPANSION
dlsch0->active[subframe] = 1;
dlsch1->active[subframe] = 1;
#else
dlsch0->active = 1;
dlsch1->active = 1;
#endif
dlsch0->harq_mask |= (1<<rel8->harq_process);
dlsch1->harq_mask |= (1<<rel8->harq_process);
dlsch0_harq = dlsch0->harq_processes[rel8->harq_process];
......@@ -1904,8 +1961,13 @@ LOG_D(PHY,"NFAPI: harq_pid %d harq_mask %x, round %d ndi (%d,%d) rnti type %d\n"
else if (TB0_active && TB1_active && rel8->transport_block_to_codeword_swap_flag==1) {
dlsch0 = eNB->dlsch[UE_id][1];
dlsch1 = eNB->dlsch[UE_id][0];
#ifdef UE_EXPANSION
dlsch0->active[subframe] = 1;
dlsch1->active[subframe] = 1;
#else
dlsch0->active = 1;
dlsch1->active = 1;
#endif
dlsch0->harq_mask |= (1<<rel8->harq_process);
dlsch1->harq_mask |= (1<<rel8->harq_process);
......@@ -1923,7 +1985,11 @@ LOG_D(PHY,"NFAPI: harq_pid %d harq_mask %x, round %d ndi (%d,%d) rnti type %d\n"
dlsch1_harq->codeword=0;
}
else if (TB0_active && (TB1_active==0)) {
#ifdef UE_EXPANSION
dlsch0->active[subframe] = 1;
#else
dlsch0->active = 1;
#endif
dlsch0->harq_mask |= (1<<rel8->harq_process);
dlsch0_harq = dlsch0->harq_processes[rel8->harq_process];
dlsch0_harq->mcs = rel8->mcs_1;
......@@ -1938,7 +2004,11 @@ LOG_D(PHY,"NFAPI: harq_pid %d harq_mask %x, round %d ndi (%d,%d) rnti type %d\n"
#endif
}
else if ((TB0_active==0) && TB1_active) {
#ifdef UE_EXPANSION
dlsch1->active[subframe] = 1;
#else
dlsch1->active = 1;
#endif
dlsch1->harq_mask |= (1<<rel8->harq_process);
dlsch1_harq = dlsch1->harq_processes[rel8->harq_process];
dlsch1_harq->mcs = rel8->mcs_2;
......@@ -2201,7 +2271,11 @@ void fill_mdci_and_dlsch(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,mDCI_ALLOC_t *d
case 10: // Format 6-1A
dci_alloc->format = format6_1A;
#ifdef UE_EXPANSION
dlsch0->active[subframe] = 1;
#else
dlsch0->active = 1;
#endif
switch (fp->N_RB_DL) {
case 25:
......@@ -2254,7 +2328,11 @@ void fill_mdci_and_dlsch(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,mDCI_ALLOC_t *d
break;
case 11: // Format 6-1B
dci_alloc->format = format6_1B;
#ifdef UE_EXPANSION
dlsch0->active[subframe] = 1;
#else
dlsch0->active = 1;
#endif
switch (fp->N_RB_DL) {
case 25:
......@@ -2294,7 +2372,11 @@ void fill_mdci_and_dlsch(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,mDCI_ALLOC_t *d
}
case 12: // Format 6-2
dci_alloc->format = format6_2;
#ifdef UE_EXPANSION
dlsch0->active[subframe] = 1;
#else
dlsch0->active = 1;
#endif
switch (fp->N_RB_DL) {
case 25:
dci_alloc->dci_length = sizeof_DCI6_2_5MHz_t;
......@@ -2371,8 +2453,12 @@ void fill_mdci_and_dlsch(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,mDCI_ALLOC_t *d
//LOG_E(PHY,"Invalid beamforming mode %dL\n", beamforming_mode);
dlsch0_harq->dl_power_off = 1;
#ifdef UE_EXPANSION
dlsch0->active[subframe] = 1;
#else
dlsch0->active = 1;
#endif
dlsch0->harq_mask |= (1<<rel13->harq_process);
......
openair1/PHY/LTE_TRANSPORT/defs.h
View file @ 70da4b59
......@@ -102,6 +102,12 @@ typedef enum {
DISABLED
} SCH_status_t;
#ifdef Rel14
typedef enum {
CEmodeA = 0,
CEmodeB = 1
} CEmode_t;
#endif
typedef struct {
/// Status Flag indicating for this DLSCH (idle,active,disabled)
......@@ -178,6 +184,15 @@ typedef struct {
uint8_t first_layer;
/// codeword this transport block is mapped to
uint8_t codeword;
#ifdef UE_EXPANSION
#ifdef Rel14
/// indicator that this DLSCH corresponds to SIB1-BR, needed for c_init for scrambling
uint8_t sib1_br_flag;
/// initial absolute subframe (see 36.211 Section 6.3.1), needed for c_init for scrambling
uint16_t i0;
CEmode_t CEmode;
#endif
#endif
} LTE_DL_eNB_HARQ_t;
typedef struct {
......@@ -254,13 +269,6 @@ typedef struct {
uint8_t decode_phich;
} LTE_UL_UE_HARQ_t;
#ifdef Rel14
typedef enum {
CEmodeA = 0,
CEmodeB = 1
} CEmode_t;
#endif
typedef struct {
/// TX buffers for UE-spec transmission (antenna ports 5 or 7..14, prior to precoding)
int32_t *txdataF[8];
......@@ -271,7 +279,11 @@ typedef struct {
/// Allocated RNTI (0 means DLSCH_t is not currently used)
uint16_t rnti;
/// Active flag for baseband transmitter processing
#ifdef UE_EXPANSION
uint8_t active[10];
#else
uint8_t active;
#endif
/// HARQ process mask, indicates which processes are currently active
uint16_t harq_mask;
/// Indicator of TX activation per subframe. Used during PUCCH detection for ACK/NAK.
......@@ -302,6 +314,7 @@ typedef struct {
int16_t sqrt_rho_a;
/// amplitude of PDSCH (compared to RS) in symbols containing pilots
int16_t sqrt_rho_b;
#ifndef UE_EXPANSION
#ifdef Rel14
/// indicator that this DLSCH corresponds to SIB1-BR, needed for c_init for scrambling
uint8_t sib1_br_flag;
......@@ -309,6 +322,7 @@ typedef struct {
uint16_t i0;
CEmode_t CEmode;
#endif
#endif
} LTE_eNB_DLSCH_t;
#define PUSCH_x 2
......
openair1/PHY/LTE_TRANSPORT/dlsch_coding.c
View file @ 70da4b59
......@@ -246,7 +246,12 @@ void clean_eNb_dlsch(LTE_eNB_DLSCH_t *dlsch)
if (dlsch) {
Mdlharq = dlsch->Mdlharq;
dlsch->rnti = 0;
#ifdef UE_EXPANSION
for (i=0; i<10; i++)
dlsch->active[i] = 0;
#else
dlsch->active = 0;
#endif
for (i=0; i<10; i++)
dlsch->harq_ids[i] = Mdlharq;
......
openair1/PHY/LTE_TRANSPORT/dlsch_scrambling.c
View file @ 70da4b59
......@@ -92,13 +92,27 @@ void dlsch_scrambling(LTE_DL_FRAME_PARMS *frame_parms,
uint8_t Nacc=4;
uint16_t j0,j,idelta;
uint16_t i = (Ns>>1) + (10*frame);
#ifdef UE_EXPANSION
uint16_t i0 = dlsch->harq_processes[harq_pid]->i0;
#else
uint16_t i0 = dlsch->i0;
#endif
#ifdef UE_EXPANSION
if (dlsch->harq_processes[harq_pid]->sib1_br_flag==1) Nacc=1;
#else
if (dlsch->sib1_br_flag==1) Nacc=1;
#endif
else if (dlsch->rnti == 0xFFFF || dlsch->rnti == 0xFFFE) Nacc = (frame_parms->frame_type == TDD) ? 10 : 4;
#ifdef UE_EXPANSION
// Note: above SC-RNTI will also have to be added when/if implemented
else if (dlsch->harq_processes[harq_pid]->CEmode == CEmodeA) Nacc=1;
else if (dlsch->harq_processes[harq_pid]->CEmode == CEmodeB) Nacc = (frame_parms->frame_type == TDD) ? 10 : 4;
#else
// Note: above SC-RNTI will also have to be added when/if implemented
else if (dlsch->CEmode == CEmodeA) Nacc=1;
else if (dlsch->CEmode == CEmodeB) Nacc = (frame_parms->frame_type == TDD) ? 10 : 4;
#endif
if (frame_parms->frame_type == FDD || Nacc == 1) idelta = 0;
else idelta = Nacc-2;
......@@ -111,7 +125,11 @@ void dlsch_scrambling(LTE_DL_FRAME_PARMS *frame_parms,
// x1 is set in lte_gold_generic
if (mbsfn_flag == 0) {
#ifdef Rel14
#ifdef UE_EXPANSION
if (dlsch->harq_processes[harq_pid]->i0 != 0xFFFF) {
#else
if (dlsch->i0 != 0xFFFF) {
#endif
// rule for BL/CE UEs from Section 6.3.1 in 36.211
x2= (dlsch->rnti<<14) + (q<<13) + ((((j0+j)*Nacc)%10)<<9) + frame_parms->Nid_cell;
if ((frame&1023) < 200) LOG_D(PHY,"Scrambling init for (i0 %d, i %d, j0 %d, j %d, Nacc %d) => x2 %d\n",i0,i,j0,j,Nacc,x2);
......
openair1/PHY/defs.h
View file @ 70da4b59
......@@ -422,6 +422,34 @@ typedef struct RU_proc_t_s {
int num_slaves;
/// array of pointers to slaves
struct RU_proc_t_s **slave_proc;
#ifdef UE_EXPANSION
/// pthread structure for PRACH thread
pthread_t pthread_phy_tx;
pthread_mutex_t mutex_phy_tx;
pthread_cond_t cond_phy_tx;
/// \internal This variable is protected by \ref mutex_phy_tx.
int instance_cnt_phy_tx;
/// frame to act upon for transmission
int frame_phy_tx;
/// subframe to act upon for transmission
int subframe_phy_tx;
/// timestamp to send to "slave rru"
openair0_timestamp timestamp_phy_tx;
/// pthread structure for RF TX thread
pthread_t pthread_rf_tx;
pthread_mutex_t mutex_rf_tx;
pthread_cond_t cond_rf_tx;
/// \internal This variable is protected by \ref mutex_rf_tx.
int instance_cnt_rf_tx;
#endif
#if defined(UE_EXPANSION) || defined(UE_EXPANSION_SIM2)
pthread_t pthread_pre_scd;
/// condition variable for time processing thread
pthread_cond_t cond_pre_scd;
/// mutex for time thread
pthread_mutex_t mutex_pre_scd;
int instance_pre_scd;
#endif
} RU_proc_t;
/// Context data structure for eNB subframe processing
......@@ -556,14 +584,6 @@ typedef struct eNB_proc_t_s {
te_params tep;
/// set of scheduling variables RXn-TXnp4 threads
eNB_rxtx_proc_t proc_rxtx[2];
#if defined(UE_EXPANSION) || defined(UE_EXPANSION_SIM2)
pthread_t pthread_pre_scd;
/// condition variable for time processing thread
pthread_cond_t cond_pre_scd;
/// mutex for time thread
pthread_mutex_t mutex_pre_scd;
int instance_pre_scd;
#endif
} eNB_proc_t;
......
openair1/SCHED/fapi_l1.c
View file @ 70da4b59
......@@ -156,11 +156,19 @@ void handle_nfapi_dlsch_pdu(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
// compute DL power control parameters
eNB->pdsch_config_dedicated[UE_id].p_a = rel8->pa;
#ifdef UE_EXPANSION
if (dlsch0->active[proc->subframe_tx]){
# else
if (dlsch0->active){
#endif
computeRhoA_eNB(&eNB->pdsch_config_dedicated[UE_id], dlsch0,dlsch0_harq->dl_power_off, eNB->frame_parms.nb_antenna_ports_eNB);
computeRhoB_eNB(&eNB->pdsch_config_dedicated[UE_id],&(eNB->frame_parms.pdsch_config_common),eNB->frame_parms.nb_antenna_ports_eNB,dlsch0,dlsch0_harq->dl_power_off);
}
#ifdef UE_EXPANSION
if (dlsch1->active[proc->subframe_tx]){
#else
if (dlsch1->active){
#endif
computeRhoA_eNB(&eNB->pdsch_config_dedicated[UE_id], dlsch1,dlsch1_harq->dl_power_off, eNB->frame_parms.nb_antenna_ports_eNB);
computeRhoB_eNB(&eNB->pdsch_config_dedicated[UE_id],&(eNB->frame_parms.pdsch_config_common),eNB->frame_parms.nb_antenna_ports_eNB,dlsch1,dlsch1_harq->dl_power_off);
}
......@@ -183,17 +191,29 @@ void handle_nfapi_dlsch_pdu(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
}
#ifdef Rel14
#ifdef UE_EXPANSION
dlsch0_harq->sib1_br_flag=0;
#else
dlsch0->sib1_br_flag=0;
#endif
if ((rel13->pdsch_payload_type <2) && (rel13->ue_type>0)) { // this is a BR/CE UE and SIB1-BR/SI-BR
dlsch0->rnti = 0xFFFF;
dlsch0->Kmimo = 1;
dlsch0->Mdlharq = 4;
dlsch0->Nsoft = 25344;
#ifdef UE_EXPANSION
dlsch0_harq->i0 = rel13->initial_transmission_sf_io;
#else
dlsch0->i0 = rel13->initial_transmission_sf_io;
#endif
dlsch0_harq->pdsch_start = rel10->pdsch_start;
#ifdef UE_EXPANSION
if (rel13->pdsch_payload_type == 0) dlsch0_harq->sib1_br_flag=1;
#else
if (rel13->pdsch_payload_type == 0) dlsch0->sib1_br_flag=1;
#endif
// configure PDSCH
switch (eNB->frame_parms.N_RB_DL) {
......@@ -220,7 +240,11 @@ void handle_nfapi_dlsch_pdu(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
dlsch0_harq->rb_alloc[3] = localRIV2alloc_LUT100_3[rel8->resource_block_coding];
}
#ifdef UE_EXPANSION
dlsch0->active[proc->subframe_tx]= 1;
#else
dlsch0->active = 1;
#endif
dlsch0_harq->nb_rb = 6;
dlsch0_harq->vrb_type = LOCALIZED;
......@@ -235,7 +259,11 @@ void handle_nfapi_dlsch_pdu(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
dlsch0_harq->codeword = 0;
}
else {
#ifdef UE_EXPANSION
dlsch0_harq->i0 = 0xFFFF;
#else
dlsch0->i0 = 0xFFFF;
#endif
}
#endif
}
......
openair1/SCHED/phy_procedures_lte_eNb.c
View file @ 70da4b59
......@@ -376,8 +376,11 @@ void pdsch_procedures(PHY_VARS_eNB *eNB,
dlsch1);
stop_meas(&eNB->dlsch_modulation_stats);
#ifdef UE_EXPANSION
dlsch->active[subframe] = 0;
#else
dlsch->active = 0;
#endif
dlsch_harq->round++;
}
......@@ -512,7 +515,11 @@ void phy_procedures_eNB_TX(PHY_VARS_eNB *eNB,
if ((dlsch0)&&
(dlsch0->rnti>0)&&
#ifdef UE_EXPANSION
(dlsch0->active[subframe] == 1)) {
#else
(dlsch0->active == 1)) {
#endif
// get harq_pid
harq_pid = dlsch0->harq_ids[subframe];
......@@ -532,7 +539,11 @@ void phy_procedures_eNB_TX(PHY_VARS_eNB *eNB,
else if ((dlsch0)&&
(dlsch0->rnti>0)&&
(dlsch0->active == 0)) {
#ifdef UE_EXPANSION
(dlsch0->active[subframe] == 0)) {
#else
(dlsch0->active == 0)) {
#endif
// clear subframe TX flag since UE is not scheduled for PDSCH in this subframe (so that we don't look for PUCCH later)
dlsch0->subframe_tx[subframe]=0;
......
openair2/LAYER2/MAC/eNB_scheduler_dlsch.c
View file @ 70da4b59
......@@ -409,6 +409,10 @@ set_ul_DAI(int module_idP, int UE_idP, int CC_idP, int frameP,
}
#ifdef UE_EXPANSION
extern volatile int16_t phy_tx_txdataF_end;
extern int oai_exit;
#endif
// changes to pre-processor for eMTC
//------------------------------------------------------------------------------
......@@ -546,6 +550,12 @@ schedule_ue_spec(module_id_t module_idP,
stop_meas(&eNB->schedule_dlsch_preprocessor);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_DLSCH_PREPROCESSOR,VCD_FUNCTION_OUT);
#ifdef UE_EXPANSION
struct timespec time_req, time_rem;
time_req.tv_sec = 0;
time_req.tv_nsec = 10000;
#endif
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
LOG_D(MAC, "doing schedule_ue_spec for CC_id %d\n",CC_id);
......@@ -1254,6 +1264,12 @@ schedule_ue_spec(module_id_t module_idP,
post_padding = TBS - sdu_length_total - header_len_dcch - header_len_dtch - ta_len; // 1 is for the postpadding header
}
#ifdef UE_EXPANSION
while((!oai_exit)&&(phy_tx_txdataF_end == 0)){
nanosleep(&time_req,&time_rem);
continue;
}
#endif
offset = generate_dlsch_header((unsigned char *) UE_list->DLSCH_pdu[CC_id][0][UE_id].payload[0], num_sdus, //num_sdus
sdu_lengths, //
......
openair2/LAYER2/MAC/extern.h
View file @ 70da4b59
......@@ -113,10 +113,6 @@ extern uint8_t dlsch_ue_select_tbl_in_use;
extern uint8_t new_dlsch_ue_select_tbl_in_use;
extern boolean_t pre_scd_activeUE[NUMBER_OF_UE_MAX];
extern eNB_UE_STATS pre_scd_eNB_UE_stats[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
/// sorted downlink component carrier for the scheduler
extern int pre_scd_ordered_CCids[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
/// number of downlink active component carrier
extern int pre_scd_numactiveCCs[NUMBER_OF_UE_MAX];
#endif
#endif //DEF_H
openair2/LAYER2/MAC/pre_processor.c
View file @ 70da4b59
......@@ -548,20 +548,33 @@ void sort_UEs(module_id_t Mod_idP, int frameP, sub_frame_t subframeP)
}
#if defined(UE_EXPANSION) || defined(UE_EXPANSION_SIM2)
inline uint16_t search_rbs_required(uint16_t mcs, uint16_t TBS,uint16_t NB_RB, uint16_t step_size){
uint16_t nb_rb,i_TBS,tmp_TBS;
i_TBS=get_I_TBS(mcs);
for(nb_rb=step_size;nb_rb<NB_RB;nb_rb+=step_size){
tmp_TBS = TBStable[i_TBS][nb_rb-1]>>3;
if(TBS<tmp_TBS)return(nb_rb);
}
return NB_RB;
}
void pre_scd_nb_rbs_required( module_id_t module_idP,
frame_t frameP,
sub_frame_t subframeP,
int min_rb_unit[MAX_NUM_CCs],
uint16_t nb_rbs_required[MAX_NUM_CCs][NUMBER_OF_UE_MAX])
{
int CC_id,UE_id, lc_id,i, j, tmp, N_RB_DL;;
int CC_id=0,UE_id, lc_id, N_RB_DL;
UE_TEMPLATE UE_template;
eNB_UE_STATS *eNB_UE_stats, *eNB_UE_stats_i, *eNB_UE_stats_j;
eNB_UE_STATS *eNB_UE_stats;
rnti_t rnti;
mac_rlc_status_resp_t rlc_status;
uint16_t TBS = 0;
uint16_t step_size=2;
N_RB_DL = to_prb(RC.mac[module_idP]->common_channels[CC_id].mib->message.dl_Bandwidth);
if(N_RB_DL==50) step_size=3;
if(N_RB_DL==100) step_size=4;
memset(nb_rbs_required, 0, sizeof(uint16_t)*MAX_NUM_CCs*NUMBER_OF_UE_MAX);
UE_list_t *UE_list = &RC.mac[module_idP]->UE_list;
for (UE_id = 0; UE_id <NUMBER_OF_UE_MAX; UE_id++) {
if (pre_scd_activeUE[UE_id] != TRUE)
......@@ -571,132 +584,27 @@ void pre_scd_nb_rbs_required( module_id_t module_idP,
// clear logical channel interface variables
UE_template.dl_buffer_total = 0;
UE_template.dl_pdus_total = 0;
rnti = UE_RNTI(module_idP, UE_id);
for (lc_id = DCCH; lc_id <= DTCH; lc_id++) {
UE_template.dl_buffer_info[lc_id] = 0;
UE_template.dl_pdus_in_buffer[lc_id] = 0;
UE_template.dl_buffer_head_sdu_creation_time[lc_id] = 0;
UE_template.dl_buffer_head_sdu_remaining_size_to_send[lc_id] = 0;
rlc_status =
mac_rlc_status_ind(module_idP, rnti, module_idP, frameP, subframeP,
ENB_FLAG_YES, MBMS_FLAG_NO, lc_id, 0);
UE_template.dl_buffer_info[lc_id] = rlc_status.bytes_in_buffer; //storing the dlsch buffer for each logical channel
UE_template.dl_pdus_in_buffer[lc_id] = rlc_status.pdus_in_buffer;
UE_template.dl_buffer_head_sdu_creation_time[lc_id] = rlc_status.head_sdu_creation_time;
UE_template.dl_buffer_head_sdu_creation_time_max =
cmax(UE_template.dl_buffer_head_sdu_creation_time_max,
rlc_status.head_sdu_creation_time);
UE_template.dl_buffer_head_sdu_remaining_size_to_send[lc_id] =
rlc_status.head_sdu_remaining_size_to_send;
UE_template.dl_buffer_head_sdu_is_segmented[lc_id] = rlc_status.head_sdu_is_segmented;
UE_template.dl_buffer_total += UE_template.dl_buffer_info[lc_id]; //storing the total dlsch buffer
UE_template.dl_pdus_total += UE_template.dl_pdus_in_buffer[lc_id];
#ifdef DEBUG_eNB_SCHEDULER
/* note for dl_buffer_head_sdu_remaining_size_to_send[i] :
* 0 if head SDU has not been segmented (yet), else remaining size not already segmented and sent
*/
if (UE_template.dl_buffer_info[lc_id] > 0)
LOG_D(MAC,
"[eNB %d] Frame %d Subframe %d : RLC status for UE %d %x in LCID%d: total of %d pdus and size %d, head sdu queuing time %d, remaining size %d, is segmeneted %d \n",
module_idP, frameP, subframeP, UE_id, rnti,
lc_id, UE_template.dl_pdus_in_buffer[lc_id],
UE_template.dl_buffer_info[lc_id],
UE_template.dl_buffer_head_sdu_creation_time[lc_id],
UE_template.
dl_buffer_head_sdu_remaining_size_to_send[lc_id],
UE_template.dl_buffer_head_sdu_is_segmented[lc_id]);
#endif
UE_template.dl_buffer_total += rlc_status.bytes_in_buffer; //storing the total dlsch buffer
}
if (UE_template.dl_buffer_total > 0)
LOG_D(MAC,
"[eNB %d] Frame %d Subframe %d : RLC status for UE %d %x: total DL buffer size %d and total number of pdu %d \n",
module_idP, frameP, subframeP, UE_id,rnti,
UE_template.dl_buffer_total,
UE_template.dl_pdus_total);
// end of store dlsch buffer
// assgin rbs required
// Calculate the number of RBs required by each UE on the basis of logical channel's buffer
//update CQI information across component carriers
for (i = 0; i < pre_scd_numactiveCCs[UE_id]; i++) {
CC_id = pre_scd_ordered_CCids[i][UE_id];
eNB_UE_stats = &pre_scd_eNB_UE_stats[CC_id][UE_id];
eNB_UE_stats = &pre_scd_eNB_UE_stats[CC_id][UE_id];
eNB_UE_stats->dlsch_mcs1 = 28;
}
eNB_UE_stats->dlsch_mcs1 = cqi_to_mcs[UE_list->UE_sched_ctrl[UE_id].dl_cqi[CC_id]];
// provide the list of CCs sorted according to MCS
for (i = 0; i < pre_scd_numactiveCCs[UE_id]; i++) {
eNB_UE_stats_i =
&pre_scd_eNB_UE_stats[pre_scd_ordered_CCids[i][UE_id]][UE_id];
for (j = i + 1; j < pre_scd_numactiveCCs[UE_id]; j++) {
DevAssert(j < MAX_NUM_CCs);
eNB_UE_stats_j =
&pre_scd_eNB_UE_stats[pre_scd_ordered_CCids[j][UE_id]][UE_id];
if (eNB_UE_stats_j->dlsch_mcs1
> eNB_UE_stats_i->dlsch_mcs1) {
tmp = pre_scd_ordered_CCids[i][UE_id];
pre_scd_ordered_CCids[i][UE_id] =
pre_scd_ordered_CCids[j][UE_id];
pre_scd_ordered_CCids[j][UE_id] = tmp;
}
}
}
if (UE_template.dl_buffer_total > 0) {
LOG_D(MAC, "[preprocessor] assign RB for UE %d\n", UE_id);
for (i = 0; i < pre_scd_numactiveCCs[UE_id]; i++) {
CC_id = pre_scd_ordered_CCids[i][UE_id];
eNB_UE_stats = &pre_scd_eNB_UE_stats[CC_id][UE_id];
if (eNB_UE_stats->dlsch_mcs1 == 0) {
nb_rbs_required[CC_id][UE_id] = 4; // don't let the TBS get too small
} else {
nb_rbs_required[CC_id][UE_id] =
min_rb_unit[CC_id];
}
TBS = get_TBS_DL(eNB_UE_stats->dlsch_mcs1,
nb_rbs_required[CC_id][UE_id]);
LOG_D(MAC,
"[preprocessor] start RB assignement for UE %d CC_id %d dl buffer %d (RB unit %d, MCS %d, TBS %d) \n",
UE_id, CC_id,
UE_template.dl_buffer_total,
nb_rbs_required[CC_id][UE_id],
eNB_UE_stats->dlsch_mcs1, TBS);
N_RB_DL =
to_prb(
RC.mac[module_idP]->common_channels[CC_id].mib->message.dl_Bandwidth);
/* calculating required number of RBs for each UE */
while (TBS
< UE_template.dl_buffer_total) {
nb_rbs_required[CC_id][UE_id] +=
min_rb_unit[CC_id];
if (nb_rbs_required[CC_id][UE_id] > N_RB_DL) {
TBS = get_TBS_DL(eNB_UE_stats->dlsch_mcs1, N_RB_DL);
nb_rbs_required[CC_id][UE_id] = N_RB_DL;
break;
}
TBS = get_TBS_DL(eNB_UE_stats->dlsch_mcs1,
nb_rbs_required[CC_id][UE_id]);
} // end of while
LOG_D(MAC,
"[eNB %d] Frame %d Subframe %d: UE %d on CC %d: RB unit %d, nb_required RB %d (TBS %d, mcs %d)\n",
module_idP, frameP, subframeP, UE_id, CC_id,
min_rb_unit[CC_id],
nb_rbs_required[CC_id][UE_id], TBS,
eNB_UE_stats->dlsch_mcs1);
}
nb_rbs_required[CC_id][UE_id] = search_rbs_required(eNB_UE_stats->dlsch_mcs1, UE_template.dl_buffer_total, N_RB_DL, step_size);
}
}
}
......
openair2/LAYER2/MAC/vars.h
View file @ 70da4b59
......@@ -157,10 +157,6 @@ uint8_t dlsch_ue_select_tbl_in_use;
uint8_t new_dlsch_ue_select_tbl_in_use;
boolean_t pre_scd_activeUE[NUMBER_OF_UE_MAX];
eNB_UE_STATS pre_scd_eNB_UE_stats[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
/// sorted downlink component carrier for the scheduler
int pre_scd_ordered_CCids[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
/// number of downlink active component carrier
int pre_scd_numactiveCCs[NUMBER_OF_UE_MAX];
#endif
#endif
targets/RT/USER/lte-enb.c
View file @ 70da4b59
......@@ -95,10 +95,6 @@ unsigned short config_frames[4] = {2,9,11,13};
#include "T.h"
#if defined(UE_EXPANSION) || defined(UE_EXPANSION_SIM2)
#include "pdcp.h"
#endif
//#define DEBUG_THREADS 1
//#define USRP_DEBUG 1
......@@ -191,9 +187,9 @@ static inline int rxtx(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc, char *thread_nam
if (oai_exit) return(-1);
#if (!defined(UE_EXPANSION_SIM2)) &&(!defined(UE_EXPANSION))
phy_procedures_eNB_TX(eNB, proc, no_relay, NULL, 1);
#endif
if (release_thread(&proc->mutex_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) return(-1);
stop_meas( &softmodem_stats_rxtx_sf );
......@@ -500,61 +496,7 @@ void wakeup_prach_eNB_br(PHY_VARS_eNB *eNB,RU_t *ru,int frame,int subframe) {
}
#endif
#if defined(UE_EXPANSION) || defined(UE_EXPANSION_SIM2)
void* pre_scd_thread( void* param ){
static int eNB_pre_scd_status;
protocol_ctxt_t ctxt;
int frame;
int subframe;
int min_rb_unit[MAX_NUM_CCs];
int CC_id;
int Mod_id;
PHY_VARS_eNB *eNB= (PHY_VARS_eNB *)param;
eNB_proc_t *proc = &eNB->proc;
Mod_id = eNB->Mod_id;
frame = 0;
subframe = 4;
thread_top_init("pre_scd_thread",0,870000,1000000,1000000);
while (!oai_exit) {
if(oai_exit){
break;
}
pthread_mutex_lock(&proc->mutex_pre_scd );
if (proc->instance_pre_scd < 0) {
pthread_cond_wait(&proc->cond_pre_scd, &proc->mutex_pre_scd);
}
pthread_mutex_unlock(&proc->mutex_pre_scd);
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, Mod_id, ENB_FLAG_YES,
NOT_A_RNTI, frame, subframe,
eNB->Mod_id);
pdcp_run(&ctxt);
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
rrc_rx_tx(&ctxt, 0, // eNB index, unused in eNB
CC_id);
min_rb_unit[CC_id] = get_min_rb_unit(Mod_id, CC_id);
}
pre_scd_nb_rbs_required(Mod_id, frame, subframe,min_rb_unit,pre_nb_rbs_required[new_dlsch_ue_select_tbl_in_use]);
if (subframe==9) {
subframe=0;
frame++;
frame&=1023;
} else {
subframe++;
}
pthread_mutex_lock(&proc->mutex_pre_scd );
proc->instance_pre_scd--;
pthread_mutex_unlock(&proc->mutex_pre_scd);
}
eNB_pre_scd_status = 0;
return &eNB_pre_scd_status;
}
#endif
/*!
* \brief The prach receive thread of eNB.
......@@ -712,14 +654,6 @@ void init_eNB_proc(int inst) {
// attr_te = &proc->attr_te;
#endif
#if defined(UE_EXPANSION) || defined(UE_EXPANSION_SIM2)
proc->instance_pre_scd = -1;
pthread_mutex_init( &proc->mutex_pre_scd, NULL);
pthread_cond_init( &proc->cond_pre_scd, NULL);
pthread_create(&proc->pthread_pre_scd, NULL, pre_scd_thread, eNB);
pthread_setname_np(proc->pthread_pre_scd, "pre_scd_thread");
#endif
if (eNB->single_thread_flag==0) {
pthread_create( &proc_rxtx[0].pthread_rxtx, attr0, eNB_thread_rxtx, &proc_rxtx[0] );
pthread_create( &proc_rxtx[1].pthread_rxtx, attr1, eNB_thread_rxtx, &proc_rxtx[1] );
......@@ -806,13 +740,6 @@ void kill_eNB_proc(int inst) {
pthread_mutex_destroy( &proc->mutex_prach_br );
pthread_cond_destroy( &proc->cond_prach_br );
#endif
#if defined(UE_EXPANSION) || defined(UE_EXPANSION_SIM2)
proc->instance_pre_scd = 0;
pthread_cond_signal( &proc->cond_pre_scd );
pthread_join( proc->pthread_pre_scd, (void**)&status );
pthread_mutex_destroy( &proc->mutex_pre_scd );
pthread_cond_destroy( &proc->cond_pre_scd );
#endif
LOG_I(PHY, "Destroying UL_INFO mutex\n");
pthread_mutex_destroy(&eNB->UL_INFO_mutex);
int i;
......
targets/RT/USER/lte-ru.c
View file @ 70da4b59
This diff is collapsed.
targets/RT/USER/lte-softmodem.c
View file @ 70da4b59
......@@ -1360,6 +1360,11 @@ int main( int argc, char **argv )
// cleanup
if (UE_flag == 1) {
} else {
#ifdef UE_EXPANSION
for (ru_id=0;ru_id<RC.nb_RU;ru_id++) {
stop_ru(RC.ru[ru_id]);
}
#endif
stop_eNB(1);
}
......
targets/RT/USER/lte-softmodem.h
View file @ 70da4b59
......@@ -244,6 +244,9 @@ extern void kill_eNB_proc(int inst);
// In lte-ru.c
extern void init_RU(const char*);
#ifdef UE_EXPANSION
extern void stop_ru(RU_t *ru);
#endif
// In lte-ue.c
extern int setup_ue_buffers(PHY_VARS_UE **phy_vars_ue, openair0_config_t *openair0_cfg);
......
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