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OpenXG-SMF
Commit 61e84600 authored by Tien Thinh NGUYEN's avatar Tien Thinh NGUYEN
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Process PDU Session release in Release procedure instead of Update procedure

parent 7af3fc9f
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Showing with 204 additions and 201 deletions
src/smf_app/smf_context.cpp
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src/smf_app/smf_procedure.cpp
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......@@ -1138,74 +1138,75 @@ smf_procedure_code session_update_sm_context_procedure::run(
n11_triggered_pending->res.add_qos_flow_context_updated(qcu);
}
} break;
/*
case session_management_procedures_type_e::
PDU_SESSION_RELEASE_AMF_INITIATED:
case session_management_procedures_type_e::
PDU_SESSION_RELEASE_UE_REQUESTED_STEP1: {
for (const auto& qfi : list_of_qfis_to_be_modified) {
auto flow = dl_edges[0].get_qos_flow(qfi);
if (!flow) { // no QoS flow found
Logger::smf_app().error(
"Update SM Context procedure: could not found QoS flow with
QFI "
"%d",
qfi.qfi);
// Set cause to SYSTEM_FAILURE and send response
qos_flow_context_updated qcu = {};
qcu.set_cause(static_cast<uint8_t>(
cause_value_5gsm_e::CAUSE_31_REQUEST_REJECTED_UNSPECIFIED));
qcu.set_qfi(qfi);
n11_triggered_pending->res.add_qos_flow_context_updated(qcu);
continue;
}
case session_management_procedures_type_e::
PDU_SESSION_RELEASE_AMF_INITIATED:
case session_management_procedures_type_e::
PDU_SESSION_RELEASE_UE_REQUESTED_STEP1: {
for (const auto& qfi : list_of_qfis_to_be_modified) {
auto flow = dl_edges[0].get_qos_flow(qfi);
if (!flow) { // no QoS flow found
Logger::smf_app().error(
"Update SM Context procedure: could not found QoS flow with QFI "
"%d",
qfi.qfi);
// Set cause to SYSTEM_FAILURE and send response
qos_flow_context_updated qcu = {};
qcu.set_cause(static_cast<uint8_t>(
cause_value_5gsm_e::CAUSE_31_REQUEST_REJECTED_UNSPECIFIED));
qcu.set_qfi(qfi);
n11_triggered_pending->res.add_qos_flow_context_updated(qcu);
continue;
}
// for DL
if (flow->far_id_dl.first) {
pfcp::update_far far = {};
pfcp::far_id_t far_id = {};
// for DL
if (flow->far_id_dl.first) {
pfcp::update_far far = {};
pfcp::far_id_t far_id = {};
far_id.far_id = flow->far_id_dl.second.far_id;
// apply_action.buff = 1;
pfcp::apply_action_t apply_action = {};
apply_action.nocp = 1; // notify the CP function about the arrival of
// a first DL packet
far_id.far_id = flow->far_id_dl.second.far_id;
// apply_action.buff = 1;
pfcp::apply_action_t apply_action = {};
apply_action.nocp = 1; // notify the CP function about the
arrival of
// a first DL packet
far.set(far_id);
far.set(apply_action);
// Add IEs to message
n4_triggered->pfcp_ies.set(far);
far.set(far_id);
far.set(apply_action);
// Add IEs to message
n4_triggered->pfcp_ies.set(far);
send_n4 = true;
send_n4 = true;
} else {
Logger::smf_app().info(
"Update SM Context procedure, could not get FAR ID of QoS Flow "
"ID %d",
flow->qfi.qfi);
}
// for UL
if (flow->far_id_ul.first) {
pfcp::update_far far = {};
pfcp::far_id_t far_id = {};
far_id.far_id = flow->far_id_ul.second.far_id;
pfcp::apply_action_t apply_action = {};
apply_action.drop = 1;
far.set(far_id);
far.set(apply_action);
// Add IEs to message
n4_triggered->pfcp_ies.set(far);
send_n4 = true;
}
} else {
Logger::smf_app().info(
"Update SM Context procedure, could not get FAR ID of QoS
Flow " "ID %d", flow->qfi.qfi);
}
// update in the PDU Session
flow->mark_as_released();
// TODO can I safely remove that
// sps->add_qos_flow(flow);
}
} break;
// for UL
if (flow->far_id_ul.first) {
pfcp::update_far far = {};
pfcp::far_id_t far_id = {};
far_id.far_id =
flow->far_id_ul.second.far_id; pfcp::apply_action_t apply_action = {};
apply_action.drop = 1;
far.set(far_id);
far.set(apply_action);
// Add IEs to message
n4_triggered->pfcp_ies.set(far);
send_n4 = true;
}
// update in the PDU Session
flow->mark_as_released();
// TODO can I safely remove that
// sps->add_qos_flow(flow);
}
} break;
*/
default: {
Logger::smf_app().error(
"Update SM Context procedure: Unknown session management type %d",
......@@ -1412,21 +1413,25 @@ smf_procedure_code session_update_sm_context_procedure::handle_itti_msg(
}
} break;
case session_management_procedures_type_e::
PDU_SESSION_RELEASE_AMF_INITIATED:
case session_management_procedures_type_e::
PDU_SESSION_RELEASE_UE_REQUESTED_STEP1: {
if (cause.cause_value == CAUSE_VALUE_REQUEST_ACCEPTED) {
Logger::smf_app().info(
"PDU Session Update SM Context (PDU Session Release) accepted by "
"UPF");
// clear the resources including addresses allocated to this Session and
// associated QoS flows
sps->deallocate_ressources(
n11_trigger.get()->req.get_dnn()); // TODO: for IPv6 (only for Ipv4
// for the moment)
/*
case session_management_procedures_type_e::
PDU_SESSION_RELEASE_AMF_INITIATED:
case session_management_procedures_type_e::
PDU_SESSION_RELEASE_UE_REQUESTED_STEP1: {
if (cause.cause_value == CAUSE_VALUE_REQUEST_ACCEPTED) {
Logger::smf_app().info(
"PDU Session Update SM Context (PDU Session Release) accepted by "
"UPF");
// clear the resources including addresses allocated to this Session
and
// associated QoS flows
sps->deallocate_ressources(
n11_trigger.get()->req.get_dnn()); // TODO: for IPv6 (only for
Ipv4
// for the moment)
}
}
}
*/
}
std::shared_ptr<pfcp_association> next_upf{};
......
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