[dpdk-stable] patch 'eventdev: fix missing update to Rx adaper WRR position' has been queued to stable release 18.05.1

[Christian Ehrhardt]

Hi,

FYI, your patch has been queued to stable release 18.05.1

Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet.
It will be pushed if I get no objections before 08/01/18. So please
shout if anyone has objections.

Thanks.

Christian Ehrhardt <christian.ehrhardt at canonical.com>

---
>From 66e5fab928144d379fef72b689b8125d8bfee631 Mon Sep 17 00:00:00 2001
From: Nikhil Rao <nikhil.rao at intel.com>
Date: Sun, 3 Jun 2018 17:11:08 +0530
Subject: [PATCH] eventdev: fix missing update to Rx adaper WRR position

[ upstream commit 524dc20023b2e00cd9a021ae60cb4b91f51786e6 ]

After dequeuing Rx packets and enqueueing them to the
temporary buffer towards eventdev, the packet Rx loop exits
if the temporary buffer is full but the current WRR position
is not saved.

Save away the current value of the WRR position, so packets
are dequeued from the correct Rx queue in the next invocation.

Fixes: 9c38b704d280 ("eventdev: add eth Rx adapter implementation")

Suggested-by: Gage Eads <gage.eads at intel.com>
Signed-off-by: Nikhil Rao <nikhil.rao at intel.com>
---
 lib/librte_eventdev/rte_event_eth_rx_adapter.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/librte_eventdev/rte_event_eth_rx_adapter.c b/lib/librte_eventdev/rte_event_eth_rx_adapter.c
index 273df1e9b..c2b5d4d83 100644
--- a/lib/librte_eventdev/rte_event_eth_rx_adapter.c
+++ b/lib/librte_eventdev/rte_event_eth_rx_adapter.c
@@ -517,8 +517,10 @@ eth_rx_poll(struct rte_event_eth_rx_adapter *rx_adapter)
 		 */
 		if (buf->count >= BATCH_SIZE)
 			flush_event_buffer(rx_adapter);
-		if (BATCH_SIZE > (ETH_EVENT_BUFFER_SIZE - buf->count))
+		if (BATCH_SIZE > (ETH_EVENT_BUFFER_SIZE - buf->count)) {
+			rx_adapter->wrr_pos = wrr_pos;
 			break;
+		}
 
 		stats->rx_poll_count++;
 		n = rte_eth_rx_burst(d, qid, mbufs, BATCH_SIZE);
-- 
2.17.1