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Use Bearer Context Release Command enc/dec lib in stack

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This commit is contained in:
Guido Casati
2025-05-12 21:45:47 +02:00
parent 3c8caeb9b2
commit f8eba806da
1 changed files with 10 additions and 78 deletions
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openair2/E1AP/e1ap.c
+10 -78
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@@ -532,37 +532,10 @@ int e1apCUUP_handle_BEARER_CONTEXT_MODIFICATION_CONFIRM(instance_t instance,
BEARER CONTEXT RELEASE
*/
static int fill_BEARER_CONTEXT_RELEASE_COMMAND(e1ap_bearer_release_cmd_t *const cmd, E1AP_E1AP_PDU_t *pdu)
static int e1apCUCP_send_BEARER_CONTEXT_RELEASE_COMMAND(sctp_assoc_t assoc_id, e1ap_bearer_release_cmd_t *const cmd)
{
pdu->present = E1AP_E1AP_PDU_PR_initiatingMessage;
asn1cCalloc(pdu->choice.initiatingMessage, msg);
msg->procedureCode = E1AP_ProcedureCode_id_bearerContextRelease;
msg->criticality = E1AP_Criticality_reject;
msg->value.present = E1AP_InitiatingMessage__value_PR_BearerContextReleaseCommand;
E1AP_BearerContextReleaseCommand_t *out = &pdu->choice.initiatingMessage->value.choice.BearerContextReleaseCommand;
/* mandatory */
/* c1. gNB-CU-CP UE E1AP ID */
asn1cSequenceAdd(out->protocolIEs.list, E1AP_BearerContextReleaseCommandIEs_t, ieC1);
ieC1->id = E1AP_ProtocolIE_ID_id_gNB_CU_CP_UE_E1AP_ID;
ieC1->criticality = E1AP_Criticality_reject;
ieC1->value.present = E1AP_BearerContextReleaseCommandIEs__value_PR_GNB_CU_CP_UE_E1AP_ID;
ieC1->value.choice.GNB_CU_CP_UE_E1AP_ID = cmd->gNB_cu_cp_ue_id;
/* mandatory */
/* c2. gNB-CU-UP UE E1AP ID */
asn1cSequenceAdd(out->protocolIEs.list, E1AP_BearerContextReleaseCommandIEs_t, ieC2);
ieC2->id = E1AP_ProtocolIE_ID_id_gNB_CU_UP_UE_E1AP_ID;
ieC2->criticality = E1AP_Criticality_reject;
ieC2->value.present = E1AP_BearerContextReleaseCommandIEs__value_PR_GNB_CU_UP_UE_E1AP_ID;
ieC2->value.choice.GNB_CU_UP_UE_E1AP_ID = cmd->gNB_cu_cp_ue_id;
return 0;
}
int e1apCUCP_send_BEARER_CONTEXT_RELEASE_COMMAND(sctp_assoc_t assoc_id, e1ap_bearer_release_cmd_t *const cmd)
{
E1AP_E1AP_PDU_t pdu = {0};
fill_BEARER_CONTEXT_RELEASE_COMMAND(cmd, &pdu);
return e1ap_encode_send(CPtype, assoc_id, &pdu, 0, __func__);
E1AP_E1AP_PDU_t *pdu = encode_e1_bearer_context_release_command(cmd);
return e1ap_encode_send(CPtype, assoc_id, pdu, 0, __func__);
}
static int fill_BEARER_CONTEXT_RELEASE_COMPLETE(const e1ap_bearer_release_cplt_t *cplt, E1AP_E1AP_PDU_t *pdu)
@@ -604,56 +577,14 @@ int e1apCUUP_send_BEARER_CONTEXT_RELEASE_REQUEST(instance_t instance)
return -1;
}
void extract_BEARER_CONTEXT_RELEASE_COMMAND(const E1AP_E1AP_PDU_t *pdu, e1ap_bearer_release_cmd_t *bearerCxt)
int e1apCUUP_handle_BEARER_CONTEXT_RELEASE_COMMAND(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *inst, const E1AP_E1AP_PDU_t *pdu)
{
const E1AP_BearerContextReleaseCommand_t *in = &pdu->choice.initiatingMessage->value.choice.BearerContextReleaseCommand;
E1AP_BearerContextReleaseCommandIEs_t *ie;
LOG_D(E1AP, "Bearer context setup number of IEs %d\n", in->protocolIEs.list.count);
for (int i = 0; i < in->protocolIEs.list.count; i++) {
ie = in->protocolIEs.list.array[i];
switch(ie->id) {
case E1AP_ProtocolIE_ID_id_gNB_CU_CP_UE_E1AP_ID:
DevAssert(ie->criticality == E1AP_Criticality_reject);
DevAssert(ie->value.present == E1AP_BearerContextReleaseCommandIEs__value_PR_GNB_CU_CP_UE_E1AP_ID);
bearerCxt->gNB_cu_cp_ue_id = ie->value.choice.GNB_CU_CP_UE_E1AP_ID;
break;
case E1AP_ProtocolIE_ID_id_gNB_CU_UP_UE_E1AP_ID:
DevAssert(ie->criticality == E1AP_Criticality_reject);
DevAssert(ie->value.present == E1AP_BearerContextReleaseCommandIEs__value_PR_GNB_CU_UP_UE_E1AP_ID);
bearerCxt->gNB_cu_up_ue_id = ie->value.choice.GNB_CU_UP_UE_E1AP_ID;
break;
case E1AP_ProtocolIE_ID_id_Cause:
DevAssert(ie->criticality == E1AP_Criticality_ignore);
DevAssert(ie->value.present == E1AP_BearerContextReleaseCommandIEs__value_PR_Cause);
bearerCxt->cause.type = ie->value.choice.Cause.present;
if ((ie->value.choice.Cause.present != E1AP_Cause_PR_NOTHING) &&
(ie->value.choice.Cause.present != E1AP_Cause_PR_choice_extension))
bearerCxt->cause.value = ie->value.choice.Cause.choice.radioNetwork;
break;
default:
LOG_E(E1AP, "Handle for this IE is not implemented (or) invalid IE detected\n");
break;
}
e1ap_bearer_release_cmd_t release = {0};
if(!decode_e1_bearer_context_release_command(&release, pdu)) {
free_e1_bearer_context_release_command(&release);
return -1;
}
}
int e1apCUUP_handle_BEARER_CONTEXT_RELEASE_COMMAND(sctp_assoc_t assoc_id, e1ap_upcp_inst_t *e1_inst, const E1AP_E1AP_PDU_t *pdu)
{
DevAssert(pdu != NULL);
DevAssert(pdu->present == E1AP_E1AP_PDU_PR_initiatingMessage);
DevAssert(pdu->choice.initiatingMessage->procedureCode == E1AP_ProcedureCode_id_bearerContextRelease);
DevAssert(pdu->choice.initiatingMessage->criticality == E1AP_Criticality_reject);
DevAssert(pdu->choice.initiatingMessage->value.present == E1AP_InitiatingMessage__value_PR_BearerContextReleaseCommand);
e1ap_bearer_release_cmd_t bearerCxt = {0};
extract_BEARER_CONTEXT_RELEASE_COMMAND(pdu, &bearerCxt);
e1_bearer_release_cmd(&bearerCxt);
e1_bearer_release_cmd(&release);
return 0;
}
@@ -974,6 +905,7 @@ void *E1AP_CUCP_task(void *arg)
case E1AP_BEARER_CONTEXT_RELEASE_CMD:
e1apCUCP_send_BEARER_CONTEXT_RELEASE_COMMAND(assoc_id, &E1AP_BEARER_CONTEXT_RELEASE_CMD(msg));
free_e1_bearer_context_release_command(&E1AP_BEARER_CONTEXT_RELEASE_CMD(msg));
break;
default: