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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
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/*
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* Copyright (c) 2017 Nicira, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*/
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#ifndef METER_H
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#define METER_H 1
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/netlink.h>
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#include <linux/openvswitch.h>
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#include <linux/genetlink.h>
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#include <linux/skbuff.h>
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#include "flow.h"
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struct datapath;
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#define DP_MAX_BANDS 1
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struct dp_meter_band {
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u32 type;
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u32 rate;
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u32 burst_size;
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u32 bucket; /* 1/1000 packets, or in bits */
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struct ovs_flow_stats stats;
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};
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struct dp_meter {
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spinlock_t lock; /* Per meter lock */
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struct rcu_head rcu;
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struct hlist_node dp_hash_node; /*Element in datapath->meters
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* hash table.
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*/
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u32 id;
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u16 kbps:1, keep_stats:1;
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u16 n_bands;
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u32 max_delta_t;
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u64 used;
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struct ovs_flow_stats stats;
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struct dp_meter_band bands[];
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};
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extern struct genl_family dp_meter_genl_family;
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int ovs_meters_init(struct datapath *dp);
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void ovs_meters_exit(struct datapath *dp);
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bool ovs_meter_execute(struct datapath *dp, struct sk_buff *skb,
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struct sw_flow_key *key, u32 meter_id);
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#endif /* meter.h */
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