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UE: signal RLF to RRC

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This commit is contained in:
Robert Schmidt
2024-11-13 14:25:01 +01:00
committed by francescomani
parent f380a48a3b
commit eee4a0c652
3 changed files with 27 additions and 0 deletions
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openair2/RRC/NR_UE/rrc_UE.c
+18
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@@ -873,6 +873,13 @@ static int8_t nr_rrc_ue_decode_NR_BCCH_DL_SCH_Message(NR_UE_RRC_INST_t *rrc,
return 0;
}
static void nr_rrc_signal_maxrtxindication(int ue_id)
{
MessageDef *msg = itti_alloc_new_message(TASK_RLC_UE, ue_id, NR_RRC_RLC_MAXRTX);
NR_RRC_RLC_MAXRTX(msg).ue_id = ue_id;
itti_send_msg_to_task(TASK_RRC_NRUE, ue_id, msg);
}
static void nr_rrc_manage_rlc_bearers(NR_UE_RRC_INST_t *rrc,
const NR_CellGroupConfig_t *cellGroupConfig)
{
@@ -901,9 +908,11 @@ static void nr_rrc_manage_rlc_bearers(NR_UE_RRC_INST_t *rrc,
if (rlc_bearer->servedRadioBearer->present == NR_RLC_BearerConfig__servedRadioBearer_PR_srb_Identity) {
NR_SRB_Identity_t srb_id = rlc_bearer->servedRadioBearer->choice.srb_Identity;
nr_rlc_add_srb(rrc->ue_id, srb_id, rlc_bearer);
nr_rlc_set_rlf_handler(rrc->ue_id, nr_rrc_signal_maxrtxindication);
} else { // DRB
NR_DRB_Identity_t drb_id = rlc_bearer->servedRadioBearer->choice.drb_Identity;
nr_rlc_add_drb(rrc->ue_id, drb_id, rlc_bearer);
nr_rlc_set_rlf_handler(rrc->ue_id, nr_rrc_signal_maxrtxindication);
}
}
}
@@ -1843,6 +1852,15 @@ void *rrc_nrue(void *notUsed)
nr_rrc_going_to_IDLE(rrc, release_cause, NULL);
break;
case NR_RRC_RLC_MAXRTX:
// detection of RLF upon indication from RLC that the maximum number of retransmissions has been reached
LOG_W(NR_RRC,
"[UE %ld ID %d] Received indication that RLC reached max retransmissions\n",
instance,
NR_RRC_RLC_MAXRTX(msg_p).ue_id);
handle_rlf_detection(rrc);
break;
case NR_RRC_MAC_MSG3_IND:
nr_rrc_handle_msg3_indication(rrc, NR_RRC_MAC_MSG3_IND(msg_p).rnti);
break;