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Commit 57940406 authored by Andy Zhou's avatar Andy Zhou Committed by David S. Miller
Browse files

openvswitch: Add meter netlink definitions 



Meter has its own netlink family. Define netlink messages and attributes
for communicating with the user space programs.

Signed-off-by: default avatarAndy Zhou <azhou@ovn.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent aef1e0d5

include/uapi/linux/openvswitch.h

+51 −0
Original line number Diff line number Diff line
@@ -883,4 +883,55 @@ enum ovs_action_attr { 


#define OVS_ACTION_ATTR_MAX (__OVS_ACTION_ATTR_MAX - 1)



/* Meters. */

#define OVS_METER_FAMILY  "ovs_meter"

#define OVS_METER_MCGROUP "ovs_meter"

#define OVS_METER_VERSION 0x1



enum ovs_meter_cmd {

	OVS_METER_CMD_UNSPEC,

	OVS_METER_CMD_FEATURES,	/* Get features supported by the datapath. */

	OVS_METER_CMD_SET,	/* Add or modify a meter. */

	OVS_METER_CMD_DEL,	/* Delete a meter. */

	OVS_METER_CMD_GET	/* Get meter stats. */

};



enum ovs_meter_attr {

	OVS_METER_ATTR_UNSPEC,

	OVS_METER_ATTR_ID,	/* u32 meter ID within datapath. */

	OVS_METER_ATTR_KBPS,	/* No argument. If set, units in kilobits

				 * per second. Otherwise, units in

				 * packets per second.

				 */

	OVS_METER_ATTR_STATS,	/* struct ovs_flow_stats for the meter. */

	OVS_METER_ATTR_BANDS,	/* Nested attributes for meter bands. */

	OVS_METER_ATTR_USED,	/* u64 msecs last used in monotonic time. */

	OVS_METER_ATTR_CLEAR,	/* Flag to clear stats, used. */

	OVS_METER_ATTR_MAX_METERS, /* u32 number of meters supported. */

	OVS_METER_ATTR_MAX_BANDS,  /* u32 max number of bands per meter. */

	OVS_METER_ATTR_PAD,

	__OVS_METER_ATTR_MAX

};



#define OVS_METER_ATTR_MAX (__OVS_METER_ATTR_MAX - 1)



enum ovs_band_attr {

	OVS_BAND_ATTR_UNSPEC,

	OVS_BAND_ATTR_TYPE,	/* u32 OVS_METER_BAND_TYPE_* constant. */

	OVS_BAND_ATTR_RATE,	/* u32 band rate in meter units (see above). */

	OVS_BAND_ATTR_BURST,	/* u32 burst size in meter units. */

	OVS_BAND_ATTR_STATS,	/* struct ovs_flow_stats for the band. */

	__OVS_BAND_ATTR_MAX

};



#define OVS_BAND_ATTR_MAX (__OVS_BAND_ATTR_MAX - 1)



enum ovs_meter_band_type {

	OVS_METER_BAND_TYPE_UNSPEC,

	OVS_METER_BAND_TYPE_DROP,   /* Drop exceeding packets. */

	__OVS_METER_BAND_TYPE_MAX

};



#define OVS_METER_BAND_TYPE_MAX (__OVS_METER_BAND_TYPE_MAX - 1)



#endif /* _LINUX_OPENVSWITCH_H */