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Add callback/handler for E1AP Bearer Context Modification Failure

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This commit is contained in:
Guido Casati
2025-05-15 10:17:07 +02:00
parent 306a44ebff
commit 79df739598
5 changed files with 53 additions and 10 deletions
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openair2/COMMON/e1ap_messages_def.h
+2
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@@ -42,6 +42,8 @@ MESSAGE_DEF(E1AP_BEARER_CONTEXT_SETUP_RESP , MESSAGE_PRIORITY_MED , e1ap_bearer_
MESSAGE_DEF(E1AP_BEARER_CONTEXT_MODIFICATION_REQ , MESSAGE_PRIORITY_MED , e1ap_bearer_mod_req_t , e1ap_bearer_mod_req)
/* E1AP Bearer Context Modification Response: gNB-CU-UP -> gNB-CU-CP */
MESSAGE_DEF(E1AP_BEARER_CONTEXT_MODIFICATION_RESP, MESSAGE_PRIORITY_MED, e1ap_bearer_modif_resp_t, e1ap_bearer_modif_resp)
/* E1AP Bearer Context Modification Failure: gNB-CU-UP -> gNB-CU-CP */
MESSAGE_DEF(E1AP_BEARER_CONTEXT_MODIFICATION_FAIL, MESSAGE_PRIORITY_MED, e1ap_bearer_context_mod_failure_t, e1ap_bearer_modif_fail)
/* E1AP Bearer Context Release Request: gNB-CU-CP -> gNB-CU-UP */
MESSAGE_DEF(E1AP_BEARER_CONTEXT_RELEASE_CMD, MESSAGE_PRIORITY_MED, e1ap_bearer_release_cmd_t, e1ap_bearer_release_cmd)
/* E1AP Bearer Context Release Response: gNB-CU-UP -> gNB-CU-CP */
openair2/COMMON/e1ap_messages_types.h
+1
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@@ -52,6 +52,7 @@
#define E1AP_BEARER_CONTEXT_SETUP_RESP(mSGpTR) (mSGpTR)->ittiMsg.e1ap_bearer_setup_resp
#define E1AP_BEARER_CONTEXT_MODIFICATION_REQ(mSGpTR) (mSGpTR)->ittiMsg.e1ap_bearer_mod_req
#define E1AP_BEARER_CONTEXT_MODIFICATION_RESP(mSGpTR) (mSGpTR)->ittiMsg.e1ap_bearer_modif_resp
#define E1AP_BEARER_CONTEXT_MODIFICATION_FAIL(mSGpTR) (mSGpTR)->ittiMsg.e1ap_bearer_modif_fail
#define E1AP_BEARER_CONTEXT_RELEASE_CMD(mSGpTR) (mSGpTR)->ittiMsg.e1ap_bearer_release_cmd
#define E1AP_BEARER_CONTEXT_RELEASE_CPLT(mSGpTR) (mSGpTR)->ittiMsg.e1ap_bearer_release_cplt
#define E1AP_LOST_CONNECTION(mSGpTR) (mSGpTR)->ittiMsg.e1ap_lost_connection
openair2/E1AP/e1ap.c
+27 -10
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@@ -57,7 +57,7 @@ const e1ap_message_processing_t e1ap_message_processing[E1AP_NUM_MSG_HANDLERS][3
e1apCUCP_handle_BEARER_CONTEXT_SETUP_FAILURE}, /* bearerContextSetup */
{e1apCUUP_handle_BEARER_CONTEXT_MODIFICATION_REQUEST,
e1apCUCP_handle_BEARER_CONTEXT_MODIFICATION_RESPONSE,
0}, /* bearerContextModification */
e1apCUCP_handle_BEARER_CONTEXT_MODIFICATION_FAILURE}, /* bearerContextModification */
{0, 0, 0}, /* bearerContextModificationRequired */
{e1apCUUP_handle_BEARER_CONTEXT_RELEASE_COMMAND, e1apCUCP_handle_BEARER_CONTEXT_RELEASE_COMPLETE, 0}, /* bearerContextRelease */
{0, 0, 0}, /* bearerContextReleaseRequired */
@@ -439,10 +439,11 @@ static int e1apCUUP_send_BEARER_CONTEXT_MODIFICATION_RESPONSE(sctp_assoc_t assoc
return e1ap_encode_send(UPtype, assoc_id, pdu, 0, __func__);
}
int e1apCUUP_send_BEARER_CONTEXT_MODIFICATION_FAILURE(instance_t instance)
static int e1apCUUP_send_BEARER_CONTEXT_MODIFICATION_FAILURE(sctp_assoc_t assoc_id, const e1ap_bearer_context_mod_failure_t *out)
{
AssertFatal(false, "Not implemented yet\n");
return -1;
E1AP_E1AP_PDU_t *pdu = encode_E1_bearer_context_mod_failure(out);
e1ap_encode_send(UPtype, assoc_id, pdu, 0, __func__);
return 0;
}
/**
@@ -478,13 +479,21 @@ int e1apCUCP_handle_BEARER_CONTEXT_MODIFICATION_RESPONSE(sctp_assoc_t assoc_id,
return 0;
}
int e1apCUCP_handle_BEARER_CONTEXT_MODIFICATION_FAILURE(instance_t instance,
sctp_assoc_t assoc_id,
uint32_t stream,
E1AP_E1AP_PDU_t *pdu)
int e1apCUCP_handle_BEARER_CONTEXT_MODIFICATION_FAILURE(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *pdu)
{
AssertFatal(false, "Not implemented yet\n");
return -1;
e1ap_bearer_context_mod_failure_t failure = {0};
if (!decode_E1_bearer_context_mod_failure(&failure, pdu)) {
free_E1_bearer_context_mod_failure(&failure);
return -1;
}
LOG_E(E1AP,
"Received Bearer Context Modification Failure from CU-UP %d with cause value %d \n",
failure.gNB_cu_up_ue_id,
failure.cause.value);
MessageDef *msg = itti_alloc_new_message(TASK_CUUP_E1, 0, E1AP_BEARER_CONTEXT_MODIFICATION_FAIL);
E1AP_BEARER_CONTEXT_MODIFICATION_FAIL(msg) = cp_E1_bearer_context_mod_failure(&failure);
itti_send_msg_to_task(TASK_RRC_GNB, 0, msg);
return 0;
}
int e1apCUUP_send_BEARER_CONTEXT_MODIFICATION_REQUIRED(instance_t instance)
@@ -1036,6 +1045,14 @@ void *E1AP_CUUP_task(void *arg)
free_e1ap_context_mod_response(resp);
} break;
case E1AP_BEARER_CONTEXT_MODIFICATION_FAIL: {
const e1ap_bearer_context_mod_failure_t *fail = &E1AP_BEARER_CONTEXT_MODIFICATION_FAIL(msg);
const e1ap_upcp_inst_t *inst = getCxtE1(myInstance);
AssertFatal(inst, "no E1 instance found for instance %ld\n", myInstance);
e1apCUUP_send_BEARER_CONTEXT_MODIFICATION_FAILURE(inst->cuup.assoc_id, fail);
free_E1_bearer_context_mod_failure(fail);
} break;
case E1AP_BEARER_CONTEXT_RELEASE_CPLT: {
const e1ap_bearer_release_cplt_t *cplt = &E1AP_BEARER_CONTEXT_RELEASE_CPLT(msg);
const e1ap_upcp_inst_t *inst = getCxtE1(myInstance);
openair2/E1AP/e1ap.h
+2
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@@ -44,6 +44,8 @@ int e1apCUUP_handle_BEARER_CONTEXT_MODIFICATION_REQUEST(sctp_assoc_t assoc_id, e
int e1apCUCP_handle_BEARER_CONTEXT_MODIFICATION_RESPONSE(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *e1_inst, const E1AP_E1AP_PDU_t *pdu);
int e1apCUCP_handle_BEARER_CONTEXT_MODIFICATION_FAILURE(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *pdu);
void e1apCUUP_send_BEARER_CONTEXT_SETUP_RESPONSE(sctp_assoc_t assoc_id, const e1ap_bearer_setup_resp_t *resp);
int e1apCUUP_handle_BEARER_CONTEXT_RELEASE_COMMAND(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *pdu);
openair2/RRC/NR/rrc_gNB.c
+21
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@@ -2570,6 +2570,23 @@ void rrc_gNB_process_e1_bearer_context_modif_resp(const e1ap_bearer_modif_resp_t
}
}
/** @brief E1AP Bearer Context Modification Failure processing on CU-CP */
static void rrc_gNB_process_e1_bearer_context_modif_fail(const e1ap_bearer_context_mod_failure_t *fail)
{
gNB_RRC_INST *rrc = RC.nrrrc[0];
rrc_gNB_ue_context_t *ue_context_p = rrc_gNB_get_ue_context(rrc, fail->gNB_cu_cp_ue_id);
if (ue_context_p == NULL) {
LOG_E(NR_RRC, "No UE with CU-CP UE ID %d found (Bearer Context Modification Failure)\n", fail->gNB_cu_cp_ue_id);
return;
}
LOG_W(NR_RRC,
"Bearer Context Modification Failure received for UE ID %d (CU-UP ID %d), cause: %d\n",
fail->gNB_cu_cp_ue_id,
fail->gNB_cu_up_ue_id,
fail->cause.value);
}
/**
* @brief E1AP Bearer Context Release processing
*/
@@ -2869,6 +2886,10 @@ void *rrc_gnb_task(void *args_p) {
free_e1ap_context_mod_response(&E1AP_BEARER_CONTEXT_MODIFICATION_RESP(msg_p));
break;
case E1AP_BEARER_CONTEXT_MODIFICATION_FAIL:
rrc_gNB_process_e1_bearer_context_modif_fail(&E1AP_BEARER_CONTEXT_MODIFICATION_FAIL(msg_p));
break;
case E1AP_BEARER_CONTEXT_RELEASE_CPLT:
rrc_gNB_process_e1_bearer_context_release_cplt(&E1AP_BEARER_CONTEXT_RELEASE_CPLT(msg_p));
break;