bitrate: add free function

This patch adds support for free function.

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>

app/test/test_bitratestats.c

@@ -32,12 +32,14 @@ test_stats_bitrate_create(void)
 	return TEST_SUCCESS;
 }
 
-/* To test free the resources from bitrate_reg test */
+/* To test free the resources from bitrate_create test */
 static int
 test_stats_bitrate_free(void)
 {
 	int ret = 0;
 
+	rte_stats_bitrate_free(bitrate_data);
+
 	ret = rte_metrics_deinit();
 	TEST_ASSERT(ret >= 0, "Test Failed: rte_metrics_deinit failed");
 

lib/librte_bitratestats/rte_bitrate.c

@@ -35,6 +35,12 @@ rte_stats_bitrate_create(void)
 		RTE_CACHE_LINE_SIZE);
 }
 
+void
+rte_stats_bitrate_free(struct rte_stats_bitrates *bitrate_data)
+{
+	rte_free(bitrate_data);
+}
+
 int
 rte_stats_bitrate_reg(struct rte_stats_bitrates *bitrate_data)
 {

lib/librte_bitratestats/rte_bitrate.h

@@ -27,12 +27,20 @@ struct rte_stats_bitrates;
  */
 struct rte_stats_bitrates *rte_stats_bitrate_create(void);
 
+/**
+ * Free bitrate statistics structure
+ *
+ * @param bitrate_data
+ *   Pointer allocated by rte_stats_bitrate_create()
+ */
+__rte_experimental
+void rte_stats_bitrate_free(struct rte_stats_bitrates *bitrate_data);
 
 /**
  * Register bitrate statistics with the metric library.
  *
  * @param bitrate_data
- *   Pointer allocated by rte_stats_create()
+ *   Pointer allocated by rte_stats_bitrate_create()
  *
  * @return
  *   Zero on success

lib/librte_bitratestats/rte_bitratestats_version.map

@@ -7,3 +7,9 @@ DPDK_21 {
 
 	local: *;
 };
+
+EXPERIMENTAL {
+	global:
+
+	rte_stats_bitrate_free;
+};