blob: fb5d7314328088fc7321d0fc90c67de0f710eff0 [file] [log] [blame]
/*
* Copyright 2017-present Open Networking Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "../header.p4"
#include "../action.p4"
control PacketIoIngress(
inout parsed_headers_t hdr,
inout fabric_metadata_t fabric_metadata,
inout standard_metadata_t standard_metadata) {
apply {
if (hdr.packet_out.isValid()) {
standard_metadata.egress_spec = hdr.packet_out.egress_port;
exit;
}
}
}
control PacketIoEgress(
inout parsed_headers_t hdr,
inout fabric_metadata_t fabric_metadata,
inout standard_metadata_t standard_metadata) {
apply {
hdr.packet_out.setInvalid();
if (standard_metadata.egress_port == CPU_PORT) {
hdr.packet_in.setValid();
hdr.packet_in.ingress_port = standard_metadata.ingress_port;
}
}
}