Commit 23b5b6ac authored by Xu Bo's avatar Xu Bo

add remove ue info to freeList when RRCConnectionReestablish occurs and for...

add remove ue info to freeList when RRCConnectionReestablish occurs and for ru_thread to remove the info
parent 573c703c
......@@ -972,6 +972,22 @@ typedef struct {
boolean_t active[NUMBER_OF_UE_MAX];
} UE_list_t;
/*! \brief deleting control information*/
typedef struct {
///rnti of UE
rnti_t rnti;
///remove UE context flag
boolean_t removeContextFlg;
} UE_free_ctrl;
/*! \brief REMOVE UE list used by eNB to order UEs/CC for deleting*/
typedef struct {
/// deleting control info
UE_free_ctrl UE_free_ctrl[NUMBER_OF_UE_MAX+1];
int num_UEs;
int head_freelist; ///the head position of the delete list
int tail_freelist; ///the tail position of the delete list
} UE_free_list_t;
/*! \brief eNB common channels */
typedef struct {
int physCellId;
......@@ -1122,6 +1138,8 @@ typedef struct eNB_MAC_INST_s {
time_stats_t rx_ulsch_sdu; // include rlc_data_ind
/// processing time of eNB PCH scheduler
time_stats_t schedule_pch;
UE_free_list_t UE_free_list;
} eNB_MAC_INST;
/*
......
......@@ -490,4 +490,9 @@ void openair_rrc_top_init_ue(
uint8_t HO_active
);
pthread_mutex_t lock_ue_freelist;
void remove_UE_from_freelist(module_id_t mod_id, rnti_t rnti);
void put_UE_in_freelist(module_id_t mod_id, rnti_t rnti, boolean_t removeFlag);
void release_UE_in_freeList(module_id_t mod_id);
/** @}*/
......@@ -878,6 +878,106 @@ rrc_eNB_free_UE(const module_id_t enb_mod_idP,const struct rrc_eNB_ue_context_s*
}
}
void remove_UE_from_freelist(module_id_t mod_id, rnti_t rnti)
{
eNB_MAC_INST *eNB_MAC = RC.mac[mod_id];
pthread_mutex_lock(&lock_ue_freelist);
UE_free_list_t *free_list = &eNB_MAC->UE_free_list;
free_list->UE_free_ctrl[free_list->head_freelist].rnti = 0;
free_list->head_freelist = (free_list->head_freelist + 1) % (NUMBER_OF_UE_MAX+1);
free_list->num_UEs--;
pthread_mutex_unlock(&lock_ue_freelist);
}
void put_UE_in_freelist(module_id_t mod_id, rnti_t rnti, boolean_t removeFlag)
{
UE_free_list_t *free_list = NULL;
eNB_MAC_INST *eNB_MAC = RC.mac[mod_id];
pthread_mutex_lock(&lock_ue_freelist);
free_list = &eNB_MAC->UE_free_list;
free_list->UE_free_ctrl[free_list->tail_freelist].rnti = rnti;
free_list->UE_free_ctrl[free_list->tail_freelist].removeContextFlg = removeFlag;
free_list->num_UEs++;
free_list->tail_freelist = (free_list->tail_freelist + 1) % (NUMBER_OF_UE_MAX+1);
pthread_mutex_unlock(&lock_ue_freelist);
}
void release_UE_in_freeList(module_id_t mod_id)
{
int i, j , CC_id, pdu_number;
protocol_ctxt_t ctxt;
LTE_eNB_ULSCH_t *ulsch = NULL;
nfapi_ul_config_request_body_t *ul_req_tmp = NULL;
PHY_VARS_eNB *eNB_PHY = NULL;
struct rrc_eNB_ue_context_s *ue_context_pP = NULL;
eNB_MAC_INST *eNB_MAC = RC.mac[mod_id];
boolean_t remove_UEContext;
rnti_t rnti;
int head, tail, ue_num;
pthread_mutex_lock(&lock_ue_freelist);
head = eNB_MAC->UE_free_list.head_freelist;
tail = eNB_MAC->UE_free_list.tail_freelist;
if(head == tail){
pthread_mutex_unlock(&lock_ue_freelist);
return;
}
if(tail < head){
tail = head + eNB_MAC->UE_free_list.num_UEs;
}
pthread_mutex_unlock(&lock_ue_freelist);
for(ue_num = head; ue_num < tail; ue_num++){
ue_num = ue_num % (NUMBER_OF_UE_MAX+1);
rnti = eNB_MAC->UE_free_list.UE_free_ctrl[ue_num].rnti;
if(rnti != 0){
remove_UEContext = eNB_MAC->UE_free_list.UE_free_ctrl[ue_num].removeContextFlg;
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, mod_id, ENB_FLAG_YES, rnti, 0, 0,mod_id);
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
eNB_PHY = RC.eNB[mod_id][CC_id];
for (i=0; i<=NUMBER_OF_UE_MAX; i++) {
ulsch = eNB_PHY->ulsch[i];
if((ulsch != NULL) && (ulsch->rnti == rnti)){
LOG_I(RRC, "clean_eNb_ulsch ulsch[%d] UE %x\n", i, rnti);
clean_eNb_ulsch(ulsch);
}
}
for(j = 0; j < 10; j++){
ul_req_tmp = &eNB_MAC->UL_req_tmp[CC_id][j].ul_config_request_body;
if(ul_req_tmp){
pdu_number = ul_req_tmp->number_of_pdus;
for(int pdu_index = pdu_number-1; pdu_index >= 0; pdu_index--){
if(ul_req_tmp->ul_config_pdu_list[pdu_index].ulsch_pdu.ulsch_pdu_rel8.rnti == rnti){
LOG_I(RRC, "remove UE %x from ul_config_pdu_list %d/%d\n", rnti, pdu_index, pdu_number);
if(pdu_index < pdu_number -1){
memcpy(&ul_req_tmp->ul_config_pdu_list[pdu_index], &ul_req_tmp->ul_config_pdu_list[pdu_index+1], (pdu_number-1-pdu_index) * sizeof(nfapi_ul_config_request_pdu_t));
}
ul_req_tmp->number_of_pdus--;
}
}
}
}
}
rrc_mac_remove_ue(mod_id,rnti);
rrc_rlc_remove_ue(&ctxt);
pdcp_remove_UE(&ctxt);
if(remove_UEContext){
ue_context_pP = rrc_eNB_get_ue_context(
RC.rrc[mod_id],rnti);
if(ue_context_pP){
rrc_eNB_remove_ue_context(&ctxt,RC.rrc[mod_id],
(struct rrc_eNB_ue_context_s*) ue_context_pP);
}
}
LOG_I(RRC, "[release_UE_in_freeList] remove UE %x from freeList\n", rnti);
remove_UE_from_freelist(mod_id, rnti);
}
}
}
//-----------------------------------------------------------------------------
void
rrc_eNB_process_RRCConnectionSetupComplete(
......@@ -1785,43 +1885,46 @@ rrc_eNB_process_RRCConnectionReestablishmentComplete(
PDCP_TRANSMISSION_MODE_CONTROL);
// delete UE data of prior RNTI. UE use current RNTI.
protocol_ctxt_t ctxt_prior = *ctxt_pP;
ctxt_prior.rnti = reestablish_rnti;
LTE_eNB_ULSCH_t *ulsch = NULL;
nfapi_ul_config_request_body_t *ul_req_tmp = NULL;
PHY_VARS_eNB *eNB_PHY = NULL;
eNB_MAC_INST *eNB_MAC = RC.mac[ctxt_prior.module_id];
for (int CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
eNB_PHY = RC.eNB[ctxt_prior.module_id][CC_id];
for (int i=0; i<NUMBER_OF_UE_MAX; i++) {
ulsch = eNB_PHY->ulsch[i];
if((ulsch != NULL) && (ulsch->rnti == ctxt_prior.rnti)){
LOG_I(RRC, "clean_eNb_ulsch UE %x \n", ctxt_prior.rnti);
clean_eNb_ulsch(ulsch);
break;
}
}
for(int j = 0; j < 10; j++){
ul_req_tmp = &eNB_MAC->UL_req_tmp[CC_id][j].ul_config_request_body;
if(ul_req_tmp){
int pdu_number = ul_req_tmp->number_of_pdus;
for(int pdu_index = pdu_number-1; pdu_index >= 0; pdu_index--){
if(ul_req_tmp->ul_config_pdu_list[pdu_index].ulsch_pdu.ulsch_pdu_rel8.rnti == ctxt_prior.rnti){
LOG_I(RRC, "remove UE %x from ul_config_pdu_list %d/%d\n", ctxt_prior.rnti, pdu_index, pdu_number);
if(pdu_index < pdu_number -1){
memcpy(&ul_req_tmp->ul_config_pdu_list[pdu_index], &ul_req_tmp->ul_config_pdu_list[pdu_index+1], (pdu_number-1-pdu_index) * sizeof(nfapi_ul_config_request_pdu_t));
}
ul_req_tmp->number_of_pdus--;
}
}
}
}
}
rrc_mac_remove_ue(ctxt_prior.module_id, ctxt_prior.rnti);
rrc_rlc_remove_ue(&ctxt_prior);
pdcp_remove_UE(&ctxt_prior);
// protocol_ctxt_t ctxt_prior = *ctxt_pP;
// ctxt_prior.rnti = reestablish_rnti;
//
// LTE_eNB_ULSCH_t *ulsch = NULL;
// nfapi_ul_config_request_body_t *ul_req_tmp = NULL;
// PHY_VARS_eNB *eNB_PHY = NULL;
// eNB_MAC_INST *eNB_MAC = RC.mac[ctxt_prior.module_id];
// for (int CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
// eNB_PHY = RC.eNB[ctxt_prior.module_id][CC_id];
// for (int i=0; i<NUMBER_OF_UE_MAX; i++) {
// ulsch = eNB_PHY->ulsch[i];
// if((ulsch != NULL) && (ulsch->rnti == ctxt_prior.rnti)){
// LOG_I(RRC, "clean_eNb_ulsch UE %x \n", ctxt_prior.rnti);
// clean_eNb_ulsch(ulsch);
// break;
// }
// }
//
// for(int j = 0; j < 10; j++){
// ul_req_tmp = &eNB_MAC->UL_req_tmp[CC_id][j].ul_config_request_body;
// if(ul_req_tmp){
// int pdu_number = ul_req_tmp->number_of_pdus;
// for(int pdu_index = pdu_number-1; pdu_index >= 0; pdu_index--){
// if(ul_req_tmp->ul_config_pdu_list[pdu_index].ulsch_pdu.ulsch_pdu_rel8.rnti == ctxt_prior.rnti){
// LOG_I(RRC, "remove UE %x from ul_config_pdu_list %d/%d\n", ctxt_prior.rnti, pdu_index, pdu_number);
// if(pdu_index < pdu_number -1){
// memcpy(&ul_req_tmp->ul_config_pdu_list[pdu_index], &ul_req_tmp->ul_config_pdu_list[pdu_index+1], (pdu_number-1-pdu_index) * sizeof(nfapi_ul_config_request_pdu_t));
// }
// ul_req_tmp->number_of_pdus--;
// }
// }
// }
// }
// }
// rrc_mac_remove_ue(ctxt_prior.module_id, ctxt_prior.rnti);
// rrc_rlc_remove_ue(&ctxt_prior);
// pdcp_remove_UE(&ctxt_prior);
// add UE info to freeList for RU_thread to remove the UE instead of remove it here
LOG_I(RRC, "[RRCConnectionReestablishment]put UE %x into freeList\n", reestablish_rnti);
put_UE_in_freelist(ctxt_pP->module_id, reestablish_rnti, 0);
}
//-----------------------------------------------------------------------------
......@@ -6590,6 +6693,9 @@ rrc_enb_task(
int CC_id;
protocol_ctxt_t ctxt;
pthread_mutex_init(&lock_ue_freelist, NULL);
itti_mark_task_ready(TASK_RRC_ENB);
LOG_I(RRC,"Entering main loop of RRC message task\n");
while (1) {
......
......@@ -167,6 +167,9 @@ static inline int rxtx(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc, char *thread_nam
wakeup_prach_eNB_br(eNB,NULL,proc->frame_rx,proc->subframe_rx);
#endif
}
release_UE_in_freeList(eNB->Mod_id);
// UE-specific RX processing for subframe n
phy_procedures_eNB_uespec_RX(eNB, proc, no_relay );
......
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