From 1bd7116f1cb833c998cddb6b188df463342069d8 Mon Sep 17 00:00:00 2001 From: Andy Zhou Date: Tue, 22 Oct 2013 10:42:46 -0700 Subject: openvswitch: collect mega flow mask stats Collect mega flow mask stats. ovs-dpctl show command can be used to display them for debugging and performance tuning. Signed-off-by: Andy Zhou Signed-off-by: Jesse Gross --- include/uapi/linux/openvswitch.h | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) (limited to 'include/uapi/linux') diff --git a/include/uapi/linux/openvswitch.h b/include/uapi/linux/openvswitch.h index a74d375b439b..2cc4644f68ef 100644 --- a/include/uapi/linux/openvswitch.h +++ b/include/uapi/linux/openvswitch.h @@ -63,15 +63,18 @@ enum ovs_datapath_cmd { * not be sent. * @OVS_DP_ATTR_STATS: Statistics about packets that have passed through the * datapath. Always present in notifications. + * @OVS_DP_ATTR_MEGAFLOW_STATS: Statistics about mega flow masks usage for the + * datapath. Always present in notifications. * * These attributes follow the &struct ovs_header within the Generic Netlink * payload for %OVS_DP_* commands. */ enum ovs_datapath_attr { OVS_DP_ATTR_UNSPEC, - OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */ - OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */ - OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */ + OVS_DP_ATTR_NAME, /* name of dp_ifindex netdev */ + OVS_DP_ATTR_UPCALL_PID, /* Netlink PID to receive upcalls */ + OVS_DP_ATTR_STATS, /* struct ovs_dp_stats */ + OVS_DP_ATTR_MEGAFLOW_STATS, /* struct ovs_dp_megaflow_stats */ __OVS_DP_ATTR_MAX }; @@ -84,6 +87,14 @@ struct ovs_dp_stats { __u64 n_flows; /* Number of flows present */ }; +struct ovs_dp_megaflow_stats { + __u64 n_mask_hit; /* Number of masks used for flow lookups. */ + __u32 n_masks; /* Number of masks for the datapath. */ + __u32 pad0; /* Pad for future expension. */ + __u64 pad1; /* Pad for future expension. */ + __u64 pad2; /* Pad for future expension. */ +}; + struct ovs_vport_stats { __u64 rx_packets; /* total packets received */ __u64 tx_packets; /* total packets transmitted */ -- cgit v1.2.3