[ONOS-7128] Initial commit of fabric.p4
Change-Id: I5224c411a1eccdbee84b1fc0b1824c5fa922f689
diff --git a/pipelines/fabric/src/main/resources/include/control/filtering.p4 b/pipelines/fabric/src/main/resources/include/control/filtering.p4
new file mode 100644
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+++ b/pipelines/fabric/src/main/resources/include/control/filtering.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 "../header.p4"
+#include "../action.p4"
+
+control Filtering (
+ inout parsed_headers_t hdr,
+ inout fabric_metadata_t fabric_metadata,
+ inout standard_metadata_t standard_metadata) {
+
+ direct_counter(CounterType.packets_and_bytes) ingress_port_vlan_counter;
+ direct_counter(CounterType.packets_and_bytes) fwd_classifier_counter;
+
+ action set_vlan(vlan_id_t new_vlan_id) {
+ hdr.vlan_tag.vlan_id = new_vlan_id;
+ }
+
+ action push_internal_vlan(vlan_id_t new_vlan_id) {
+ // Add internal VLAN header, will be removed before packet emission.
+ // cfi and pri values are dummy.
+ hdr.vlan_tag.setValid();
+ hdr.vlan_tag.cfi = 0;
+ hdr.vlan_tag.pri = 0;
+ hdr.vlan_tag.ether_type = ETHERTYPE_VLAN;
+ set_vlan(new_vlan_id);
+
+ // pop internal vlan before output
+ fabric_metadata.pop_vlan_at_egress = true;
+ }
+
+ action set_forwarding_type(fwd_type_t fwd_type) {
+ fabric_metadata.fwd_type = fwd_type;
+ }
+
+ // Originally Ingress port and Vlan table in OF-DPA pipeline
+ table ingress_port_vlan {
+ key = {
+ standard_metadata.ingress_port: exact;
+ hdr.vlan_tag.isValid(): exact @name("hdr.vlan_tag.is_valid");
+ hdr.vlan_tag.vlan_id: ternary;
+ }
+
+ actions = {
+ push_internal_vlan;
+ set_vlan;
+ nop;
+ drop;
+ }
+ const default_action = drop();
+ counters = ingress_port_vlan_counter;
+ }
+
+ // Originally TMAC table in OF-DPA pipeline
+ table fwd_classifier {
+ key = {
+ standard_metadata.ingress_port: exact;
+ hdr.ethernet.dst_addr: exact;
+ hdr.ethernet.ether_type: exact;
+ }
+
+ actions = {
+ set_forwarding_type;
+ }
+
+ const default_action = set_forwarding_type(FWD_BRIDGING);
+ counters = fwd_classifier_counter;
+ }
+
+ apply {
+ ingress_port_vlan.apply();
+ fwd_classifier.apply();
+ }
+}