[dpdk-dev] [PATCH] eventdev: clarify atomic and ordered queue config
Gage Eads
gage.eads at intel.com
Fri May 12 21:25:37 CEST 2017
The nb_atomic_flows and nb_atomic_order_sequences fields are only inspected
if the queue is configured for atomic or ordered scheduling, respectively.
This commit updates the documentation to reflect that.
Signed-off-by: Gage Eads <gage.eads at intel.com>
---
lib/librte_eventdev/rte_eventdev.h | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/lib/librte_eventdev/rte_eventdev.h b/lib/librte_eventdev/rte_eventdev.h
index 20e7293..32ffcd1 100644
--- a/lib/librte_eventdev/rte_eventdev.h
+++ b/lib/librte_eventdev/rte_eventdev.h
@@ -521,9 +521,11 @@ rte_event_dev_configure(uint8_t dev_id,
struct rte_event_queue_conf {
uint32_t nb_atomic_flows;
/**< The maximum number of active flows this queue can track at any
- * given time. The value must be in the range of
- * [1 - nb_event_queue_flows)] which previously provided in
- * rte_event_dev_info_get().
+ * given time. If the queue is configured for atomic scheduling (by
+ * applying the RTE_EVENT_QUEUE_CFG_ALL_TYPES or
+ * RTE_EVENT_QUEUE_CFG_ATOMIC_ONLY flags to event_queue_cfg), then the
+ * value must be in the range of [1 - nb_event_queue_flows)], which was
+ * previously provided in rte_event_dev_configure().
*/
uint32_t nb_atomic_order_sequences;
/**< The maximum number of outstanding events waiting to be
@@ -533,8 +535,11 @@ struct rte_event_queue_conf {
* scheduler cannot schedule the events from this queue and invalid
* event will be returned from dequeue until one or more entries are
* freed up/released.
- * The value must be in the range of [1 - nb_event_queue_flows)]
- * which previously supplied to rte_event_dev_configure().
+ * If the queue is configured for ordered scheduling (by applying the
+ * RTE_EVENT_QUEUE_CFG_ALL_TYPES or RTE_EVENT_QUEUE_CFG_ORDERED_ONLY
+ * flags to event_queue_cfg), then the value must be in the range of [1
+ * - nb_event_queue_flows)], which was previously supplied to
+ * rte_event_dev_configure().
*/
uint32_t event_queue_cfg; /**< Queue cfg flags(EVENT_QUEUE_CFG_) */
uint8_t priority;
--
2.7.4
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