datapath: collect mega flow mask stats

[sliver-openvswitch.git] / include / linux / openvswitch.h

diff --git a/include/linux/openvswitch.h b/include/linux/openvswitch.h
index 09c26b5..f46d9d0 100644 (file)
--- a/include/linux/openvswitch.h
+++ b/include/linux/openvswitch.h
@@ -83,15 +83,18 @@ 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
 };
 
@@ -104,6 +107,14 @@ 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    */