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: sta...@dpdk.org

Signed-off-by: Rakesh Kudurumalla <rkuduruma...@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

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