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2
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4
5
6 #ifndef METER_H
7 #define METER_H 1
8
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>
16
17 #include "flow.h"
18 struct datapath;
19
20 #define DP_MAX_BANDS 1
21
22 struct dp_meter_band {
23 u32 type;
24 u32 rate;
25 u32 burst_size;
26 u32 bucket;
27 struct ovs_flow_stats stats;
28 };
29
30 struct dp_meter {
31 spinlock_t lock;
32 struct rcu_head rcu;
33 struct hlist_node dp_hash_node;
34
35
36 u32 id;
37 u16 kbps:1, keep_stats:1;
38 u16 n_bands;
39 u32 max_delta_t;
40 u64 used;
41 struct ovs_flow_stats stats;
42 struct dp_meter_band bands[];
43 };
44
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);
50
51 #endif