[dpdk-dev] [PATCH 1/5] eventdev: introduce a helper function for enqueue burst
Jerin Jacob
jerin.jacob at caviumnetworks.com
Thu Jun 29 16:19:52 CEST 2017
Introducing a helper function to avoid duplicating
common enqueue burst code when introducing
enqueue burst variants.
Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
lib/librte_eventdev/rte_eventdev.h | 54 ++++++++++++++++++++++----------------
1 file changed, 31 insertions(+), 23 deletions(-)
diff --git a/lib/librte_eventdev/rte_eventdev.h b/lib/librte_eventdev/rte_eventdev.h
index a79a827ee..c4d623a62 100644
--- a/lib/librte_eventdev/rte_eventdev.h
+++ b/lib/librte_eventdev/rte_eventdev.h
@@ -1103,6 +1103,34 @@ rte_event_schedule(uint8_t dev_id)
(*dev->schedule)(dev);
}
+static __rte_always_inline uint16_t
+__rte_event_enqueue_burst(uint8_t dev_id, uint8_t port_id,
+ const struct rte_event ev[], uint16_t nb_events,
+ const event_enqueue_burst_t fn)
+{
+ const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
+
+#ifdef RTE_LIBRTE_EVENTDEV_DEBUG
+ if (dev_id >= RTE_EVENT_MAX_DEVS || !rte_eventdevs[dev_id].attached) {
+ rte_errno = -EINVAL;
+ return 0;
+ }
+
+ if (port_id >= dev->data->nb_ports) {
+ rte_errno = -EINVAL;
+ return 0;
+ }
+#endif
+ /*
+ * Allow zero cost non burst mode routine invocation if application
+ * requests nb_events as const one
+ */
+ if (nb_events == 1)
+ return (*dev->enqueue)(dev->data->ports[port_id], ev);
+ else
+ return fn(dev->data->ports[port_id], ev, nb_events);
+}
+
/**
* Enqueue a burst of events objects or an event object supplied in *rte_event*
* structure on an event device designated by its *dev_id* through the event
@@ -1146,30 +1174,10 @@ static inline uint16_t
rte_event_enqueue_burst(uint8_t dev_id, uint8_t port_id,
const struct rte_event ev[], uint16_t nb_events)
{
- struct rte_eventdev *dev = &rte_eventdevs[dev_id];
+ const struct rte_eventdev *dev = &rte_eventdevs[dev_id];
-#ifdef RTE_LIBRTE_EVENTDEV_DEBUG
- if (dev_id >= RTE_EVENT_MAX_DEVS || !rte_eventdevs[dev_id].attached) {
- rte_errno = -EINVAL;
- return 0;
- }
-
- if (port_id >= dev->data->nb_ports) {
- rte_errno = -EINVAL;
- return 0;
- }
-#endif
-
- /*
- * Allow zero cost non burst mode routine invocation if application
- * requests nb_events as const one
- */
- if (nb_events == 1)
- return (*dev->enqueue)(
- dev->data->ports[port_id], ev);
- else
- return (*dev->enqueue_burst)(
- dev->data->ports[port_id], ev, nb_events);
+ return __rte_event_enqueue_burst(dev_id, port_id, ev, nb_events,
+ dev->enqueue_burst);
}
/**
--
2.13.2
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