Regards,
Bala
On 5 June 2017 at 18:02, Stanislaw Kardach <k...@semihalf.com> wrote:
>
>
> Best Regards,
> Stanislaw Kardach
>
> On 06/05/2017 02:27 PM, Balasubramanian Manoharan wrote:
>> 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;
> Is threshold limit "a percentage of total size of the pool" (hence I
> guess 0-100) or rather an absolute value that triggers RED?
Yes. It is defined as a percentage.
>
>> } 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);
>> +
>> +/**
>> * @}
>> */
>>
>>
