dpif-linux: collect and display mega flow mask stats

Signed-off-by: Andy Zhou <azhou@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/dpif.h b/lib/dpif.h
index 8996c0a6..ab69c1ce 100644
--- a/lib/dpif.h
+++ b/lib/dpif.h
@@ -387,6 +387,9 @@ struct dpif_dp_stats {
     uint64_t n_missed;          /* Number of flow table misses. */
     uint64_t n_lost;            /* Number of misses not sent to userspace. */
     uint64_t n_flows;           /* Number of flows present. */
+    uint64_t n_masks;           /* Number of mega flow masks. */
+    uint64_t n_mask_hit;        /* Number of mega flow masks visited for
+                                   flow table matches. */
 };
 int dpif_get_dp_stats(const struct dpif *, struct dpif_dp_stats *);