[PATCH] net/cnxk: update RSS RETA table

[Rakesh Kudurumalla]

rss reta table is corrupted during
rte_eth_dev_rss_reta_update.This fix restores
previous table entries before updating.

Fixes: 00242a687de ("net/cnxk: support RETA and RSS hash")
Cc: stable at dpdk.org

Signed-off-by: Rakesh Kudurumalla <rkudurumalla at marvell.com>
---
 drivers/net/cnxk/cnxk_ethdev_ops.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/cnxk/cnxk_ethdev_ops.c b/drivers/net/cnxk/cnxk_ethdev_ops.c
index b0a16f3c56..f4a0562475 100644
--- a/drivers/net/cnxk/cnxk_ethdev_ops.c
+++ b/drivers/net/cnxk/cnxk_ethdev_ops.c
@@ -857,6 +857,8 @@ cnxk_nix_reta_update(struct rte_eth_dev *eth_dev,
 		goto fail;
 	}
 
+	roc_nix_rss_reta_get(nix, 0, reta);
+
 	/* Copy RETA table */
 	for (i = 0; i < (int)(dev->nix.reta_sz / RTE_ETH_RETA_GROUP_SIZE); i++) {
 		for (j = 0; j < RTE_ETH_RETA_GROUP_SIZE; j++) {
-- 
2.25.1