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fabric.p4
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fabric.p4
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/*
* 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 <core.p4>
#include <v1model.p4>
#include "include/size.p4"
#include "include/control/filtering.p4"
#include "include/control/forwarding.p4"
#include "include/control/pre_next.p4"
#include "include/control/acl.p4"
#include "include/control/next.p4"
#include "include/control/packetio.p4"
#include "include/control/lookup_md_init.p4"
#include "include/control/slicing.p4"
#include "include/header.p4"
#include "include/checksum.p4"
#include "include/parser.p4"
#ifdef WITH_PORT_COUNTER
#include "include/control/port_counter.p4"
#endif // WITH_PORT_COUNTER
#ifdef WITH_SPGW
#include "include/control/spgw.p4"
#endif // WITH_SPGW
#ifdef WITH_BNG
#include "include/bng.p4"
#endif // WITH_BNG
#ifdef WITH_INT
#include "include/int/int_main.p4"
#endif // WITH_INT
control FabricIngress (inout parsed_headers_t hdr,
inout fabric_metadata_t fabric_metadata,
inout standard_metadata_t standard_metadata) {
LookupMdInit() lkp_md_init;
PacketIoIngress() pkt_io_ingress;
Filtering() filtering;
Forwarding() forwarding;
PreNext() pre_next;
Acl() acl;
Next() next;
IngressSliceTcClassifier() slice_tc_classifier;
IngressQos() qos;
#ifdef WITH_PORT_COUNTER
PortCountersControl() port_counters_control;
#endif // WITH_PORT_COUNTER
#ifdef WITH_SPGW
SpgwIngress() spgw;
#endif // WITH_SPGW
apply {
_PRE_INGRESS
lkp_md_init.apply(hdr, fabric_metadata.lkp);
pkt_io_ingress.apply(hdr, fabric_metadata, standard_metadata);
slice_tc_classifier.apply(hdr, fabric_metadata, standard_metadata);
filtering.apply(hdr, fabric_metadata, standard_metadata);
#ifdef WITH_SPGW
if (fabric_metadata.skip_forwarding == _FALSE) {
spgw.apply(hdr, fabric_metadata, standard_metadata);
}
#endif // WITH_SPGW
if (fabric_metadata.skip_forwarding == _FALSE) {
forwarding.apply(hdr, fabric_metadata, standard_metadata);
}
if (fabric_metadata.skip_next == _FALSE) {
pre_next.apply(hdr, fabric_metadata);
}
acl.apply(hdr, fabric_metadata, standard_metadata);
if (fabric_metadata.skip_next == _FALSE) {
next.apply(hdr, fabric_metadata, standard_metadata);
#ifdef WITH_PORT_COUNTER
// FIXME: we're not counting pkts punted to cpu or forwarded via
// multicast groups. Remove when gNMI support will be there.
port_counters_control.apply(hdr, fabric_metadata, standard_metadata);
#endif // WITH_PORT_COUNTER
#if defined(WITH_INT_SOURCE) || defined(WITH_INT_SINK)
process_set_source_sink.apply(hdr, fabric_metadata, standard_metadata);
#endif
}
#ifdef WITH_BNG
bng_ingress.apply(hdr, fabric_metadata, standard_metadata);
#endif // WITH_BNG
qos.apply(fabric_metadata, standard_metadata);
}
}
control FabricEgress (inout parsed_headers_t hdr,
inout fabric_metadata_t fabric_metadata,
inout standard_metadata_t standard_metadata) {
PacketIoEgress() pkt_io_egress;
EgressNextControl() egress_next;
EgressDscpRewriter() dscp_rewriter;
#ifdef WITH_SPGW
SpgwEgress() spgw;
#endif // WITH_SPGW
apply {
_PRE_EGRESS
pkt_io_egress.apply(hdr, fabric_metadata, standard_metadata);
egress_next.apply(hdr, fabric_metadata, standard_metadata);
#ifdef WITH_SPGW
spgw.apply(hdr, fabric_metadata);
#endif // WITH_SPGW
#ifdef WITH_BNG
bng_egress.apply(hdr, fabric_metadata, standard_metadata);
#endif // WITH_BNG
#ifdef WITH_INT
process_int_main.apply(hdr, fabric_metadata, standard_metadata);
#endif
dscp_rewriter.apply(hdr, fabric_metadata, standard_metadata);
}
}
V1Switch(
FabricParser(),
FabricVerifyChecksum(),
FabricIngress(),
FabricEgress(),
FabricComputeChecksum(),
FabricDeparser()
) main;