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eventdev: remove event copy in Rx adapter

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Remove copy from temporary event array on the stack to the
enqueue buffer event array entry, instead initialize event in the
enqueue buffer event array entry.

Suggested-by: Mattias Rönnblom <mattias.ronnblom@ericsson.com>
Signed-off-by: Nikhil Rao <nikhil.rao@intel.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
This commit is contained in:
Nikhil Rao 2019-05-22 03:22:53 +05:30 committed by Jerin Jacob
parent 19f3f97112
commit 894c373ce5
1 changed files with 4 additions and 16 deletions
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20
lib/librte_eventdev/rte_event_eth_rx_adapter.c
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@ -716,18 +716,6 @@ rxa_enq_block_end_ts(struct rte_event_eth_rx_adapter *rx_adapter,
}
}
/* Add event to buffer, free space check is done prior to calling
* this function
*/
static inline void
rxa_buffer_event(struct rte_event_eth_rx_adapter *rx_adapter,
struct rte_event *ev)
{
struct rte_eth_event_enqueue_buffer *buf =
&rx_adapter->event_enqueue_buffer;
rte_memcpy(&buf->events[buf->count++], ev, sizeof(struct rte_event));
}
/* Enqueue buffered events to event device */
static inline uint16_t
rxa_flush_event_buffer(struct rte_event_eth_rx_adapter *rx_adapter)
@ -770,11 +758,11 @@ rxa_buffer_mbufs(struct rte_event_eth_rx_adapter *rx_adapter,
&dev_info->rx_queue[rx_queue_id];
struct rte_eth_event_enqueue_buffer *buf =
&rx_adapter->event_enqueue_buffer;
struct rte_event *ev = &buf->events[buf->count];
int32_t qid = eth_rx_queue_info->event_queue_id;
uint8_t sched_type = eth_rx_queue_info->sched_type;
uint8_t priority = eth_rx_queue_info->priority;
uint32_t flow_id;
struct rte_event events[BATCH_SIZE];
struct rte_mbuf *m = mbufs[0];
uint32_t rss_mask;
uint32_t rss;
@ -812,7 +800,6 @@ rxa_buffer_mbufs(struct rte_event_eth_rx_adapter *rx_adapter,
for (i = 0; i < num; i++) {
m = mbufs[i];
struct rte_event *ev = &events[i];
rss = do_rss ?
rxa_do_softrss(m, rx_adapter->rss_key_be) :
@ -829,9 +816,10 @@ rxa_buffer_mbufs(struct rte_event_eth_rx_adapter *rx_adapter,
ev->sub_event_type = 0;
ev->priority = priority;
ev->mbuf = m;
rxa_buffer_event(rx_adapter, ev);
ev++;
}
buf->count += num;
}
/* Enqueue packets from <port, q> to event buffer */