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Release RNTI of LTE PHY when RA does not succeed

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This commit is contained in:
luis_pereira87
2021-06-02 16:29:45 +01:00
parent 9068db43e0
commit 5406a4534d
5 changed files with 43 additions and 11 deletions
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openair2/LAYER2/MAC/eNB_scheduler_ulsch.c
+19
View File
@@ -314,6 +314,11 @@ rx_sdu(const module_id_t enb_mod_idP,
}
if (no_sig || sduP == NULL) { // we've got an error on Msg3
if(no_sig) {
LOG_W(MAC,"No signal in Msg3\n");
}
LOG_D(MAC, "[eNB %d] CC_id %d, RA %d ULSCH in error in round %d/%d\n",
enb_mod_idP,
CC_idP,
@@ -322,6 +327,20 @@ rx_sdu(const module_id_t enb_mod_idP,
(int) mac->common_channels[CC_idP].radioResourceConfigCommon->rach_ConfigCommon.maxHARQ_Msg3Tx);
if (ra->msg3_round >= mac->common_channels[CC_idP].radioResourceConfigCommon->rach_ConfigCommon.maxHARQ_Msg3Tx - 1) {
// Release RNTI of LTE PHY when RA does not succeed
UE_free_list_t *free_list = NULL;
pthread_mutex_lock(&lock_ue_freelist);
free_list = &mac->UE_free_list;
free_list->UE_free_ctrl[free_list->tail_freelist].rnti = current_rnti;
free_list->UE_free_ctrl[free_list->tail_freelist].removeContextFlg = 1;
free_list->UE_free_ctrl[free_list->tail_freelist].raFlag = 1;
free_list->num_UEs++;
mac->UE_release_req.ue_release_request_body.ue_release_request_TLVs_list[mac->UE_release_req.ue_release_request_body.number_of_TLVs].rnti = current_rnti;
mac->UE_release_req.ue_release_request_body.number_of_TLVs++;
free_list->tail_freelist = (free_list->tail_freelist + 1) % (NUMBER_OF_UE_MAX+1);
pthread_mutex_unlock(&lock_ue_freelist);
cancel_ra_proc(enb_mod_idP, CC_idP, frameP, current_rnti);
nfapi_hi_dci0_request_t *hi_dci0_req = NULL;
uint8_t sf_ahead_dl = ul_subframe2_k_phich(&mac->common_channels[CC_idP], subframeP);
openair2/LAYER2/MAC/mac.h
+2
View File
@@ -1192,6 +1192,8 @@ typedef struct {
rnti_t rnti;
///remove UE context flag
boolean_t removeContextFlg;
///remove RA flag
boolean_t raFlag;
} UE_free_ctrl_t;
/*! \brief REMOVE UE list used by eNB to order UEs/CC for deleting*/
typedef struct {
openair2/RRC/LTE/rrc_eNB.c
+3 -2
View File
@@ -997,6 +997,7 @@ void put_UE_in_freelist(module_id_t mod_id, rnti_t rnti, boolean_t removeFlag) {
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->UE_free_ctrl[free_list->tail_freelist].raFlag = 0;
free_list->num_UEs++;
eNB_MAC->UE_release_req.ue_release_request_body.ue_release_request_TLVs_list[eNB_MAC->UE_release_req.ue_release_request_body.number_of_TLVs].rnti = rnti;
eNB_MAC->UE_release_req.ue_release_request_body.number_of_TLVs++;
@@ -1046,12 +1047,12 @@ void release_UE_in_freeList(module_id_t mod_id) {
eNB_PHY = RC.eNB[mod_id][CC_id];
int id;
// clean ULSCH entries for rnti
id = find_ulsch(rnti,eNB_PHY,SEARCH_EXIST);
id = find_ulsch(rnti,eNB_PHY,eNB_MAC->UE_free_list.UE_free_ctrl[ue_num].raFlag ? SEARCH_EXIST_RA : SEARCH_EXIST);
if (id>=0) clean_eNb_ulsch(eNB_PHY->ulsch[id]);
// clean DLSCH entries for rnti
id = find_dlsch(rnti,eNB_PHY,SEARCH_EXIST);
id = find_dlsch(rnti,eNB_PHY,eNB_MAC->UE_free_list.UE_free_ctrl[ue_num].raFlag ? SEARCH_EXIST_RA : SEARCH_EXIST);
if (id>=0) clean_eNb_dlsch(eNB_PHY->dlsch[id][0]);