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Merge remote-tracking branch 'origin/NGAP-FAILMESSAGE' into integration_2024_w50 (!3163)

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NGAP-Initial Context Setup Failure

NGAP Failure message - Initial Context Setup Failure.  When an Initial
Context Setup Request is received with the UE context as null, it
triggers Initial Context Setup failure
This commit is contained in:
Robert Schmidt
2024-12-16 15:27:38 +01:00
parent e5622f442c 7cfa482107
commit deba36a5d1
6 changed files with 143 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/COMMON/ngap_messages_types.h
+5 -2
View File
@@ -553,9 +553,12 @@ typedef struct ngap_initial_context_setup_resp_s {
} ngap_initial_context_setup_resp_t;
typedef struct ngap_initial_context_setup_fail_s {
uint32_t gNB_ue_ngap_id;
uint32_t gNB_ue_ngap_id;
/* TODO add cause */
uint64_t amf_ue_ngap_id;
ngap_Cause_t cause;
long cause_value;
} ngap_initial_context_setup_fail_t, ngap_ue_ctxt_modification_fail_t, ngap_pdusession_setup_req_fail_t;
typedef struct ngap_nas_non_delivery_ind_s {
openair2/RRC/NR/rrc_gNB_NGAP.c
+18 -5
View File
@@ -432,12 +432,11 @@ int rrc_gNB_process_NGAP_INITIAL_CONTEXT_SETUP_REQ(MessageDef *msg_p, instance_t
if (ue_context_p == NULL) {
/* Can not associate this message to an UE index, send a failure to NGAP and discard it! */
MessageDef *msg_fail_p = NULL;
LOG_W(NR_RRC, "[gNB %ld] In NGAP_INITIAL_CONTEXT_SETUP_REQ: unknown UE from NGAP ids (%u)\n", instance, req->gNB_ue_ngap_id);
msg_fail_p = itti_alloc_new_message(TASK_RRC_GNB, 0, NGAP_INITIAL_CONTEXT_SETUP_FAIL);
NGAP_INITIAL_CONTEXT_SETUP_FAIL(msg_fail_p).gNB_ue_ngap_id = req->gNB_ue_ngap_id;
// TODO add failure cause when defined!
itti_send_msg_to_task(TASK_NGAP, instance, msg_fail_p);
rrc_gNB_send_NGAP_INITIAL_CONTEXT_SETUP_FAIL(req->gNB_ue_ngap_id,
NULL,
NGAP_CAUSE_RADIO_NETWORK,
NGAP_CAUSE_RADIO_NETWORK_UNKNOWN_LOCAL_UE_NGAP_ID);
return (-1);
}
gNB_RRC_INST *rrc = RC.nrrrc[instance];
@@ -542,6 +541,20 @@ void rrc_gNB_send_NGAP_INITIAL_CONTEXT_SETUP_RESP(gNB_RRC_INST *rrc, gNB_RRC_UE_
itti_send_msg_to_task (TASK_NGAP, rrc->module_id, msg_p);
}
void rrc_gNB_send_NGAP_INITIAL_CONTEXT_SETUP_FAIL(uint32_t gnb,
const rrc_gNB_ue_context_t *const ue_context_pP,
const ngap_Cause_t causeP,
const long cause_valueP)
{
MessageDef *msg_p = itti_alloc_new_message(TASK_RRC_GNB, 0, NGAP_INITIAL_CONTEXT_SETUP_FAIL);
ngap_initial_context_setup_fail_t *fail = &NGAP_INITIAL_CONTEXT_SETUP_FAIL(msg_p);
memset(fail, 0, sizeof(*fail));
fail->gNB_ue_ngap_id = gnb;
fail->cause = causeP;
fail->cause_value = cause_valueP;
itti_send_msg_to_task(TASK_NGAP, 0, msg_p);
}
static NR_CipheringAlgorithm_t rrc_gNB_select_ciphering(const gNB_RRC_INST *rrc, uint16_t algorithms)
{
int i;
openair2/RRC/NR/rrc_gNB_NGAP.h
+5
View File
@@ -46,6 +46,11 @@ int rrc_gNB_process_NGAP_INITIAL_CONTEXT_SETUP_REQ(MessageDef *msg_p, instance_t
void rrc_gNB_send_NGAP_INITIAL_CONTEXT_SETUP_RESP(gNB_RRC_INST *rrc, gNB_RRC_UE_t *UE);
void rrc_gNB_send_NGAP_INITIAL_CONTEXT_SETUP_FAIL(uint32_t gnb,
const rrc_gNB_ue_context_t *const ue_context_pP,
const ngap_Cause_t causeP,
const long cause_valueP);
int rrc_gNB_process_NGAP_DOWNLINK_NAS(MessageDef *msg_p, instance_t instance, mui_t *rrc_gNB_mui);
void rrc_gNB_send_NGAP_UPLINK_NAS(gNB_RRC_INST *rrc, gNB_RRC_UE_t *UE, const NR_UL_DCCH_Message_t *const ul_dcch_msg);