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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263/* SPDX-License-Identifier: GPL-2.0-only *//* * Copyright (c) 2017 Nicira, Inc. */
#ifndef METER_H#define METER_H 1
#include <linux/init.h>#include <linux/module.h>#include <linux/kernel.h>#include <linux/netlink.h>#include <linux/openvswitch.h>#include <linux/skbuff.h>#include <linux/bits.h>
#include "flow.h"struct datapath;
#define DP_MAX_BANDS 1#define DP_METER_ARRAY_SIZE_MIN BIT_ULL(10)#define DP_METER_NUM_MAX (200000UL)
struct dp_meter_band { u32 type; u32 rate; u32 burst_size; u64 bucket; /* 1/1000 packets, or in bits */ struct ovs_flow_stats stats;};
struct dp_meter { spinlock_t lock; /* Per meter lock */ struct rcu_head rcu; u32 id; u16 kbps:1, keep_stats:1; u16 n_bands; u32 max_delta_t; u64 used; struct ovs_flow_stats stats; struct dp_meter_band bands[] __counted_by(n_bands);};
struct dp_meter_instance { struct rcu_head rcu; u32 n_meters; struct dp_meter __rcu *dp_meters[] __counted_by(n_meters);};
struct dp_meter_table { struct dp_meter_instance __rcu *ti; u32 count; u32 max_meters_allowed;};
extern struct genl_family dp_meter_genl_family;int ovs_meters_init(struct datapath *dp);void ovs_meters_exit(struct datapath *dp);bool ovs_meter_execute(struct datapath *dp, struct sk_buff *skb, struct sw_flow_key *key, u32 meter_id);
#endif /* meter.h */