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From: Nikhil Rao <nikhil.rao@intel.com>
To: thomas@monjalon.net
Cc: jerinj@marvell.com, dev@dpdk.org, matias.elo@nokia.com,
	Nikhil Rao <nikhil.rao@intel.com>,
	stable@dpdk.org
Subject: [dpdk-dev] [PATCH v3] eventdev: fix Rx adapter event flush logic
Date: Fri, 10 May 2019 13:38:10 +0530	[thread overview]
Message-ID: <1557475690-42133-1-git-send-email-nikhil.rao@intel.com> (raw)
In-Reply-To: <1557376797-10609-1-git-send-email-nikhil.rao@intel.com>

The Rx adapter flushes events only if it has BATCH_SIZE
events buffered where BATCH_SIZE is set to 32, e.g., if a
single packet is sent, it is never passed to
eventdev. Fix this issue by adding an event buffer flush
either when a Rx queue is found to be empty or the adapter service
function has processed the max number of packets for an invocation.

Bugzilla ID: 277

Fixes: 6b83f5935543 ("eventdev: add event buffer flush in Rx adapter")

Reported-by: Matias Elo <matias.elo@nokia.com>

CC: stable@dpdk.org

Signed-off-by: Nikhil Rao <nikhil.rao@intel.com>
---
 lib/librte_eventdev/rte_event_eth_rx_adapter.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

v2:
* add Bugzilla ID

v3:
* add stable CC
* replace boolean check with check for > 0

diff --git a/lib/librte_eventdev/rte_event_eth_rx_adapter.c b/lib/librte_eventdev/rte_event_eth_rx_adapter.c
index 8b6e69d..b60674b 100644
--- a/lib/librte_eventdev/rte_event_eth_rx_adapter.c
+++ b/lib/librte_eventdev/rte_event_eth_rx_adapter.c
@@ -872,7 +872,7 @@ static uint16_t rxa_gcd_u16(uint16_t a, uint16_t b)
 			break;
 	}
 
-	if (buf->count >= BATCH_SIZE)
+	if (buf->count > 0)
 		rxa_flush_event_buffer(rx_adapter);
 
 	return nb_rx;
-- 
1.8.3.1

  parent reply	other threads:[~2019-05-10  8:08 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-09  4:39 [dpdk-dev] [PATCH] " Nikhil Rao
2019-05-09  4:39 ` Nikhil Rao
2019-05-09  4:50 ` [dpdk-dev] [PATCH v2] " Nikhil Rao
2019-05-09  4:50   ` Nikhil Rao
2019-05-09 19:17   ` Thomas Monjalon
2019-05-09 19:17     ` Thomas Monjalon
2019-05-09 19:23     ` Mattias Rönnblom
2019-05-09 19:23       ` Mattias Rönnblom
2019-05-10  8:19     ` Rao, Nikhil
2019-05-10  8:19       ` Rao, Nikhil
2019-05-09 19:22   ` Mattias Rönnblom
2019-05-09 19:22     ` Mattias Rönnblom
2019-05-10  8:20     ` Rao, Nikhil
2019-05-10  8:20       ` Rao, Nikhil
2019-05-10  8:08 ` Nikhil Rao [this message]
2019-05-10  8:08   ` [dpdk-dev] [PATCH v3] " Nikhil Rao
2019-05-10 13:30   ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon
2019-05-10 13:30     ` Thomas Monjalon
2019-05-10 16:13     ` Mattias Rönnblom
2019-05-10 16:13       ` Mattias Rönnblom
2019-05-13  4:20       ` Elo, Matias (Nokia - FI/Espoo)
2019-05-13  4:20         ` Elo, Matias (Nokia - FI/Espoo)
2019-05-13 14:00         ` Thomas Monjalon
2019-05-13 14:00           ` Thomas Monjalon

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