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Diffstat (limited to '')
| -rw-r--r-- | net/openvswitch/meter.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/net/openvswitch/meter.h b/net/openvswitch/meter.h new file mode 100644 index 000000000..970557ed5 --- /dev/null +++ b/net/openvswitch/meter.h @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2017 Nicira, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + */ + +#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 "flow.h" +struct datapath; + +#define DP_MAX_BANDS 1 + +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; + struct hlist_node dp_hash_node; /*Element in datapath->meters + * hash table. + */ + 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[]; +}; + +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 */ |