datapath: collect mega flow mask stats

[sliver-openvswitch.git] / datapath / datapath.h

diff --git a/datapath/datapath.h b/datapath/datapath.h
index 64920de..879a830 100644 (file)
--- a/datapath/datapath.h
+++ b/datapath/datapath.h
@@ -48,11 +48,15 @@
  * @n_lost: Number of received packets that had no matching flow in the flow
  * table that could not be sent to userspace (normally due to an overflow in
  * one of the datapath's queues).
+ * @n_mask_hit: Number of masks looked up for flow match.
+ *   @n_mask_hit / (@n_hit + @n_missed)  will be the average masks looked
+ *   up per packet.
  */
 struct dp_stats_percpu {
        u64 n_hit;
        u64 n_missed;
        u64 n_lost;
+       u64 n_mask_hit;
        struct u64_stats_sync sync;
 };