From: Maciej Gajdzica <maciejx.t.gajdzica@intel.com>
Date: Fri, 19 Jun 2015 10:28:34 +0000 (+0200)
Subject: table: add stats structure and config option
X-Git-Tag: spdx-start~8987
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=d517a160720f73229a018c69d5c7a4aee16fa47e;p=dpdk.git

table: add stats structure and config option

Added common structure for table statistics.
Added config option to enable table stats collecting.

Signed-off-by: Maciej Gajdzica <maciejx.t.gajdzica@intel.com>
Acked-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
---

diff --git a/config/common_bsdapp b/config/common_bsdapp
index bbe95a7caf..3ed884f73f 100644
--- a/config/common_bsdapp
+++ b/config/common_bsdapp
@@ -389,6 +389,7 @@ CONFIG_RTE_PORT_STATS_COLLECT=n
 # Compile librte_table
 #
 CONFIG_RTE_LIBRTE_TABLE=y
+CONFIG_RTE_TABLE_STATS_COLLECT=n
 
 #
 # Compile librte_pipeline
diff --git a/config/common_linuxapp b/config/common_linuxapp
index 01ab5b3d9a..f859d07e86 100644
--- a/config/common_linuxapp
+++ b/config/common_linuxapp
@@ -396,6 +396,7 @@ CONFIG_RTE_PORT_STATS_COLLECT=n
 # Compile librte_table
 #
 CONFIG_RTE_LIBRTE_TABLE=y
+CONFIG_RTE_TABLE_STATS_COLLECT=n
 
 #
 # Compile librte_pipeline
diff --git a/lib/librte_table/rte_table.h b/lib/librte_table/rte_table.h
index 6e51fe6865..c13d40d0e2 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 table
+ *   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