| /* |
| * 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. |
| */ |
| |
| #ifndef __HOST_METER_TABLE__ |
| #define __HOST_METER_TABLE__ |
| |
| #include "headers.p4" |
| #include "defines.p4" |
| |
| control host_meter_control(inout headers_t hdr, |
| inout local_metadata_t local_metadata, |
| inout standard_metadata_t standard_metadata) { |
| MeterColor meter_tag = MeterColor_GREEN; |
| direct_meter<MeterColor>(MeterType.bytes) host_meter; |
| |
| action read_meter() { |
| host_meter.read(meter_tag); |
| } |
| |
| table host_meter_table { |
| key = { |
| hdr.ethernet.src_addr : lpm; |
| } |
| actions = { |
| read_meter(); |
| NoAction; |
| } |
| meters = host_meter; |
| default_action = NoAction(); |
| } |
| |
| apply { |
| host_meter_table.apply(); |
| if (meter_tag == MeterColor_RED) { |
| mark_to_drop(standard_metadata); |
| } |
| } |
| } |
| |
| #endif |