/* 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/genetlink.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[];}; struct dp_meter_instance {	struct rcu_head rcu;	u32 n_meters;	struct dp_meter __rcu *dp_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 */