Added common structure for table statistics.

Signed-off-by: Maciej Gajdzica <maciejx.t.gajdzica at intel.com>
---
 lib/librte_table/rte_table.h |   25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/lib/librte_table/rte_table.h b/lib/librte_table/rte_table.h
index 6e51fe6..1732fbf 100644
--- a/lib/librte_table/rte_table.h
+++ b/lib/librte_table/rte_table.h
@@ -59,6 +59,12 @@ extern "C" {

 struct rte_mbuf;

+/** Lookup table statistics */
+struct rte_table_stats {
+       uint64_t n_pkts_in;
+       uint64_t n_pkts_lookup_miss;
+};
+
 /**
  * Lookup table create
  *
@@ -187,6 +193,24 @@ typedef int (*rte_table_op_lookup)(
        uint64_t *lookup_hit_mask,
        void **entries);

+/**
+ * Lookup table stats read
+ *
+ * @param port
+ *   Handle to lookup table instance
+ * @param stats
+ *   Handle to table stats struct to copy data
+ * @param clear
+ *   Flag indicating that stats should be cleared after read
+ *
+ * @return
+ *   Error code or 0 on success.
+ */
+typedef int (*rte_table_op_stats_read)(
+       void *table,
+       struct rte_table_stats *stats,
+       int clear);
+
 /** Lookup table interface defining the lookup table operation */
 struct rte_table_ops {
        rte_table_op_create f_create;       /**< Create */
@@ -194,6 +218,7 @@ struct rte_table_ops {
        rte_table_op_entry_add f_add;       /**< Entry add */
        rte_table_op_entry_delete f_delete; /**< Entry delete */
        rte_table_op_lookup f_lookup;       /**< Lookup */
+       rte_table_op_stats_read f_stats;        /**< Stats */
 };

 #ifdef __cplusplus
-- 
1.7.9.5

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