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Commit fb6498dd authored by Florian Kaltenberger's avatar Florian Kaltenberger
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Merge branch 'develop' of https://gitlab.eurecom.fr/oai/openairinterface5g into develop

parents 6098a60e a1ad3044
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Showing with 101 additions and 19 deletions
openair1/PHY/LTE_TRANSPORT/dci_tools.c
View file @ fb6498dd
......@@ -1102,8 +1102,12 @@ int generate_eNB_dlsch_params_from_dci(int frame,
dlsch[0]->harq_ids[subframe] = harq_pid;
if (dlsch0_harq->round == 0)
if (dlsch0_harq->round == 0) {
/* necessary test? */
if (dlsch0_harq->status == SCH_IDLE)
remove_harq_pid_from_freelist(dlsch[0], harq_pid);
dlsch0_harq->status = ACTIVE;
}
break;
......@@ -1237,6 +1241,9 @@ int generate_eNB_dlsch_params_from_dci(int frame,
if (dlsch0_harq->round == 0) {
/* necessary test? */
if (dlsch0_harq->status == SCH_IDLE)
remove_harq_pid_from_freelist(dlsch[0], harq_pid);
dlsch0_harq->status = ACTIVE;
// printf("Setting DLSCH process %d to ACTIVE\n",harq_pid);
// MCS and TBS don't change across HARQ rounds
......@@ -1605,10 +1612,16 @@ int generate_eNB_dlsch_params_from_dci(int frame,
// reset HARQ process if this is the first transmission
if (dlsch0_harq->round == 0) {
/* necessary test? */
if (dlsch0_harq->status == SCH_IDLE)
remove_harq_pid_from_freelist(dlsch0, harq_pid);
dlsch0_harq->status = ACTIVE;
}
if (dlsch1_harq->round == 0) {
/* necessary test? */
if (dlsch1_harq->status == SCH_IDLE)
remove_harq_pid_from_freelist(dlsch1, harq_pid);
dlsch1_harq->status = ACTIVE;
}
......@@ -1986,10 +1999,16 @@ int generate_eNB_dlsch_params_from_dci(int frame,
// reset HARQ process if this is the first transmission
if ((dlsch0->active==1) && (dlsch0_harq->round == 0)) {
/* necessary test? */
if (dlsch0_harq->status == SCH_IDLE)
remove_harq_pid_from_freelist(dlsch0, harq_pid);
dlsch0_harq->status = ACTIVE;
}
if ((dlsch1->active==1) && (dlsch1_harq->round == 0)) {
/* necessary test? */
if (dlsch1_harq->status == SCH_IDLE)
remove_harq_pid_from_freelist(dlsch1, harq_pid);
dlsch1_harq->status = ACTIVE;
}
......@@ -2131,16 +2150,23 @@ int generate_eNB_dlsch_params_from_dci(int frame,
// check if either TB is disabled (see 36-213 V8.6 p. 26)
if ((dlsch0_harq->rvidx == 1) && (dlsch0_harq->mcs == 0))
if ((dlsch0_harq->rvidx == 1) && (dlsch0_harq->mcs == 0)) {
LOG_W(PHY, "what to do with respect to remove_harq_pid_from_freelist?\n");
dlsch0_harq->status = DISABLED;
}
if ((dlsch1_harq->rvidx == 1) && (dlsch1_harq->mcs == 0))
if ((dlsch1_harq->rvidx == 1) && (dlsch1_harq->mcs == 0)) {
LOG_W(PHY, "what to do with respect to remove_harq_pid_from_freelist?\n");
dlsch1_harq->status = DISABLED;
}
dlsch0_harq->Nl = 1;
if (dlsch0_harq->round == 0) {
/* necessary test? */
if (dlsch0_harq->status == SCH_IDLE)
remove_harq_pid_from_freelist(dlsch0, harq_pid);
dlsch0_harq->status = ACTIVE;
// printf("Setting DLSCH process %d to ACTIVE\n",harq_pid);
}
......@@ -2305,11 +2331,17 @@ int generate_eNB_dlsch_params_from_dci(int frame,
if ((dlsch0_harq->round == 0) && (dlsch0->active == 1) ) {
/* necessary test? */
if (dlsch0_harq->status == SCH_IDLE)
remove_harq_pid_from_freelist(dlsch0, harq_pid);
dlsch0_harq->status = ACTIVE;
dlsch0_harq->mcs = mcs1;
}
if ((dlsch1_harq->round == 0) && (dlsch1->active == 1) ) {
/* necessary test? */
if (dlsch1_harq->status == SCH_IDLE)
remove_harq_pid_from_freelist(dlsch1, harq_pid);
dlsch1_harq->status = ACTIVE;
dlsch1_harq->mcs = mcs2;
}
......@@ -2473,6 +2505,9 @@ int generate_eNB_dlsch_params_from_dci(int frame,
if (dlsch0_harq->round == 0) {
/* necessary test? */
if (dlsch0_harq->status == SCH_IDLE)
remove_harq_pid_from_freelist(dlsch0, harq_pid);
dlsch0_harq->status = ACTIVE;
// printf("Setting DLSCH process %d to ACTIVE\n",harq_pid);
}
......@@ -2602,6 +2637,9 @@ int generate_eNB_dlsch_params_from_dci(int frame,
// dlsch0_harq->Ndi = ((DCI1E_5MHz_2A_M10PRB_TDD_t *)dci_pdu)->ndi;
if (dlsch0_harq->round == 0) {
/* necessary test? */
if (dlsch0_harq->status == SCH_IDLE)
remove_harq_pid_from_freelist(dlsch0, harq_pid);
dlsch0_harq->status = ACTIVE;
// printf("Setting DLSCH process %d to ACTIVE\n",harq_pid);
}
......
openair1/PHY/LTE_TRANSPORT/defs.h
View file @ fb6498dd
......@@ -258,6 +258,13 @@ typedef struct {
uint8_t error_threshold;
/// Pointers to 8 HARQ processes for the DLSCH
LTE_DL_eNB_HARQ_t *harq_processes[8];
/// circular list of free harq PIDs (the oldest come first)
/// (10 is arbitrary value, must be > to max number of DL HARQ processes in LTE)
int harq_pid_freelist[10];
/// the head position of the free list (if list is free then head=tail)
int head_freelist;
/// the tail position of the free list
int tail_freelist;
/// Number of soft channel bits
uint32_t G;
/// Codebook index for this dlsch (0,1,2,3)
......
openair1/PHY/LTE_TRANSPORT/dlsch_coding.c
View file @ fb6498dd
......@@ -152,6 +152,9 @@ LTE_eNB_DLSCH_t *new_eNB_dlsch(unsigned char Kmimo,unsigned char Mdlharq,unsigne
for (i=0; i<10; i++)
dlsch->harq_ids[i] = Mdlharq;
dlsch->head_freelist = 0;
dlsch->tail_freelist = 0;
for (i=0; i<Mdlharq; i++) {
dlsch->harq_processes[i] = (LTE_DL_eNB_HARQ_t *)malloc16(sizeof(LTE_DL_eNB_HARQ_t));
LOG_T(PHY, "Required mem size %d (bw scaling %d), dlsch->harq_processes[%d] %p\n",
......@@ -192,6 +195,8 @@ LTE_eNB_DLSCH_t *new_eNB_dlsch(unsigned char Kmimo,unsigned char Mdlharq,unsigne
msg("Can't get harq_p %d\n",i);
exit_flag=3;
}
put_harq_pid_in_freelist(dlsch, i);
}
if (exit_flag==0) {
......
openair1/SCHED/defs.h
View file @ fb6498dd
......@@ -401,6 +401,8 @@ uint16_t get_Np(uint8_t N_RB_DL,uint8_t nCCE,uint8_t plus1);
int get_nCCE_offset(unsigned char L, int nCCE, int common_dci, unsigned short rnti, unsigned char subframe);
void put_harq_pid_in_freelist(LTE_eNB_DLSCH_t *DLSCH_ptr, int harq_pid);
void remove_harq_pid_from_freelist(LTE_eNB_DLSCH_t *DLSCH_ptr, int harq_pid);
int8_t find_ue(uint16_t rnti, PHY_VARS_eNB *phy_vars_eNB);
int32_t add_ue(int16_t rnti, PHY_VARS_eNB *phy_vars_eNB);
......
openair1/SCHED/phy_procedures_lte_eNb.c
View file @ fb6498dd
......@@ -136,6 +136,30 @@ uint8_t is_SR_subframe(PHY_VARS_eNB *phy_vars_eNB,uint8_t UE_id,uint8_t sched_su
return(0);
}
void put_harq_pid_in_freelist(LTE_eNB_DLSCH_t *DLSCH_ptr, int harq_pid)
{
DLSCH_ptr->harq_pid_freelist[DLSCH_ptr->tail_freelist] = harq_pid;
DLSCH_ptr->tail_freelist = (DLSCH_ptr->tail_freelist + 1) % 10;
}
void remove_harq_pid_from_freelist(LTE_eNB_DLSCH_t *DLSCH_ptr, int harq_pid)
{
if (DLSCH_ptr->head_freelist == DLSCH_ptr->tail_freelist) {
LOG_E(PHY, "%s:%d: you cannot read this!\n", __FILE__, __LINE__);
abort();
}
/* basic check, in case several threads deal with the free list at the same time
* in normal situations it should not happen, that's also why we don't use any
* locking mechanism to protect the free list
* to be refined in case things don't work properly
*/
if (harq_pid != DLSCH_ptr->harq_pid_freelist[DLSCH_ptr->head_freelist]) {
LOG_E(PHY, "%s:%d: critical error, get in touch with the authors\n", __FILE__, __LINE__);
abort();
}
DLSCH_ptr->head_freelist = (DLSCH_ptr->head_freelist + 1) % 10;
}
int32_t add_ue(int16_t rnti, PHY_VARS_eNB *phy_vars_eNB)
{
uint8_t i;
......@@ -178,6 +202,7 @@ int32_t add_ue(int16_t rnti, PHY_VARS_eNB *phy_vars_eNB)
int32_t remove_ue(uint16_t rnti, PHY_VARS_eNB *phy_vars_eNB, uint8_t abstraction_flag)
{
uint8_t i;
int j;
for (i=0; i<NUMBER_OF_UE_MAX; i++) {
if ((phy_vars_eNB->dlsch_eNB[i]==NULL) || (phy_vars_eNB->ulsch_eNB[i]==NULL)) {
......@@ -196,6 +221,13 @@ int32_t remove_ue(uint16_t rnti, PHY_VARS_eNB *phy_vars_eNB, uint8_t abstraction
//phy_vars_eNB->eNB_UE_stats[i].crnti = 0;
memset(&phy_vars_eNB->eNB_UE_stats[i],0,sizeof(LTE_eNB_UE_stats));
// mac_exit_wrapper("Removing UE");
/* clear the harq pid freelist */
phy_vars_eNB->dlsch_eNB[i][0]->head_freelist = 0;
phy_vars_eNB->dlsch_eNB[i][0]->tail_freelist = 0;
for (j = 0; j < 8; j++)
put_harq_pid_in_freelist(phy_vars_eNB->dlsch_eNB[i][0], j);
return(i);
}
}
......@@ -224,14 +256,12 @@ int8_t find_next_ue_index(PHY_VARS_eNB *phy_vars_eNB)
int get_ue_active_harq_pid(const uint8_t Mod_id,const uint8_t CC_id,const uint16_t rnti, const int frame, const uint8_t subframe,uint8_t *harq_pid,uint8_t *round,const uint8_t ul_flag)
{
LTE_eNB_DLSCH_t *DLSCH_ptr;
LTE_eNB_ULSCH_t *ULSCH_ptr;
uint8_t ulsch_subframe,ulsch_frame;
uint8_t i;
int8_t UE_id = find_ue(rnti,PHY_vars_eNB_g[Mod_id][CC_id]);
int sf1=(10*frame)+subframe,sf2,sfdiff,sfdiff_max=7;
int first_proc_found=0;
if (UE_id==-1) {
LOG_D(PHY,"Cannot find UE with rnti %x (Mod_id %d, CC_id %d)\n",rnti, Mod_id, CC_id);
......@@ -247,18 +277,7 @@ int get_ue_active_harq_pid(const uint8_t Mod_id,const uint8_t CC_id,const uint16
for (i=0; i<DLSCH_ptr->Mdlharq; i++) {
if (DLSCH_ptr->harq_processes[i]!=NULL) {
if (DLSCH_ptr->harq_processes[i]->status != ACTIVE) {
// store first inactive process
if (first_proc_found == 0) {
first_proc_found = 1;
*harq_pid = i;
*round = 0;
LOG_D(PHY,"process %d is first free process\n",i);
}
else {
LOG_D(PHY,"process %d is free\n",i);
}
} else {
if (DLSCH_ptr->harq_processes[i]->status == ACTIVE) {
sf2 = (DLSCH_ptr->harq_processes[i]->frame*10) + DLSCH_ptr->harq_processes[i]->subframe;
if (sf2<=sf1)
sfdiff = sf1-sf2;
......@@ -270,7 +289,6 @@ int get_ue_active_harq_pid(const uint8_t Mod_id,const uint8_t CC_id,const uint16
sfdiff_max = sfdiff;
*harq_pid = i;
*round = DLSCH_ptr->harq_processes[i]->round;
first_proc_found = 1;
}
}
} else { // a process is not defined
......@@ -278,6 +296,14 @@ int get_ue_active_harq_pid(const uint8_t Mod_id,const uint8_t CC_id,const uint16
return(-1);
}
}
/* if no active harq pid, get the oldest in the freelist, if any */
if (*harq_pid == 255 && DLSCH_ptr->head_freelist != DLSCH_ptr->tail_freelist) {
*harq_pid = DLSCH_ptr->harq_pid_freelist[DLSCH_ptr->head_freelist];
*round = 0;
LOG_D(PHY,"process %d is first free process\n", *harq_pid);
}
LOG_D(PHY,"get_ue_active_harq_pid DL => Frame %d, Subframe %d : harq_pid %d\n",
frame,subframe,*harq_pid);
} else { // This is a UL request
......@@ -296,7 +322,6 @@ int get_ue_active_harq_pid(const uint8_t Mod_id,const uint8_t CC_id,const uint16
return(0);
}
int CCE_table[800];
void init_nCCE_table(void)
......@@ -2868,6 +2893,7 @@ void process_HARQ_feedback(uint8_t UE_id,
dlsch_harq_proc->round = 0;
ue_stats->dlsch_l2_errors[dl_harq_pid[m]]++;
dlsch_harq_proc->status = SCH_IDLE;
put_harq_pid_in_freelist(dlsch, dl_harq_pid[m]);
dlsch->harq_ids[dl_subframe] = dlsch->Mdlharq;
}
} else {
......@@ -2880,6 +2906,7 @@ void process_HARQ_feedback(uint8_t UE_id,
// Received ACK so set round to 0 and set dlsch_harq_pid IDLE
dlsch_harq_proc->round = 0;
dlsch_harq_proc->status = SCH_IDLE;
put_harq_pid_in_freelist(dlsch, dl_harq_pid[m]);
dlsch->harq_ids[dl_subframe] = dlsch->Mdlharq;
ue_stats->total_TBS = ue_stats->total_TBS +
......@@ -3949,6 +3976,9 @@ void phy_procedures_eNB_RX(const unsigned char sched_subframe,PHY_VARS_eNB *phy_
phy_vars_eNB->eNB_UE_stats[i].sr_received++;
if (phy_vars_eNB->first_sr[i] == 1) { // this is the first request for uplink after Connection Setup, so clear HARQ process 0 use for Msg4
/* is this test necessary? */
if (phy_vars_eNB->dlsch_eNB[i][0]->harq_processes[0]->status != SCH_IDLE)
put_harq_pid_in_freelist(phy_vars_eNB->dlsch_eNB[i][0], 0);
phy_vars_eNB->first_sr[i] = 0;
phy_vars_eNB->dlsch_eNB[i][0]->harq_processes[0]->round=0;
phy_vars_eNB->dlsch_eNB[i][0]->harq_processes[0]->status=SCH_IDLE;
......
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