1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (c) 2017 Nicira, Inc.
9 #include <linux/init.h>
10 #include <linux/module.h>
11 #include <linux/kernel.h>
12 #include <linux/netlink.h>
13 #include <linux/openvswitch.h>
14 #include <linux/genetlink.h>
15 #include <linux/skbuff.h>
20 #define DP_MAX_BANDS 1
22 struct dp_meter_band {
26 u32 bucket; /* 1/1000 packets, or in bits */
27 struct ovs_flow_stats stats;
31 spinlock_t lock; /* Per meter lock */
33 struct hlist_node dp_hash_node; /*Element in datapath->meters
37 u16 kbps:1, keep_stats:1;
41 struct ovs_flow_stats stats;
42 struct dp_meter_band bands[];
45 extern struct genl_family dp_meter_genl_family;
46 int ovs_meters_init(struct datapath *dp);
47 void ovs_meters_exit(struct datapath *dp);
48 bool ovs_meter_execute(struct datapath *dp, struct sk_buff *skb,
49 struct sw_flow_key *key, u32 meter_id);