Adds threshold limit of the pool to the pool parameters.
This threshold limit is a percentage of total size of the pool.
Signed-off-by: Balasubramanian Manoharan <bala.manoha...@linaro.org>
---
include/odp/api/spec/pool.h | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/include/odp/api/spec/pool.h b/include/odp/api/spec/pool.h
index 6fc5b6b..1c1ebe4 100644
--- a/include/odp/api/spec/pool.h
+++ b/include/odp/api/spec/pool.h
@@ -20,6 +20,7 @@ extern "C" {
#endif
#include <odp/api/std_types.h>
+#include <odp/api/support.h>
/** @defgroup odp_pool ODP POOL
* Operations on a pool.
@@ -127,6 +128,9 @@ typedef struct odp_pool_capability_t {
* The value of zero means that limited only by the available
* memory size for the pool. */
uint32_t max_uarea_size;
+
+ /** Pool Threshold limit support */
+ odp_support_t pool_threshold_limit;
} pkt;
/** Timeout pool capabilities */
@@ -214,6 +218,17 @@ typedef struct odp_pool_param_t {
defined by pool capability pkt.max_uarea_size.
Specify as 0 if no user area is needed. */
uint32_t uarea_size;
+
+ /** Pool threshold limit in percentage
+ *
+ * This value denotes the threshold limit of the pool in
+ * percentage of the total size of the pool and is used
+ * to configure the Random Early Discard (RED).
+ * When the number of packets in the pool is greater
+ * than this value RED is initiated in the pool and
+ * further incoming packets to the pool are dropped in
+ * a random sequence. */
+ uint8_t threshold_limit;
} pkt;
/** Parameters for timeout pools */
@@ -329,6 +344,23 @@ uint64_t odp_pool_to_u64(odp_pool_t hdl);
void odp_pool_param_init(odp_pool_param_t *param);
/**
+ * Set threshold limit of the pool
+ *
+ * Set the threshold limit of the pool as a percentage of the total
+ * size of the pool. This value is used to configure Random Early Discard(RED)
+ * parameters of the pool and any incoming packets to the pool after reaching
+ * this threshold is dropped in a random sequence.
+ *
+ * @param pool Pool handle
+ * @param threshold_limit Threshold limit of the pool.
+ *
+ * @retval 0 on success
+ * @retval -1 on failure
+ */
+
+int odp_pool_threshold_limit(odp_pool_t pool, uint8_t threshold_limit);
+
+/**
* @}
*/
--
1.9.1
