A new field 'algorithm' has been added to rss_conf, check it
in case of ignoring unsupported values.

Signed-off-by: Jie Hai <haij...@huawei.com>
---
 drivers/net/nfp/nfp_common.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/nfp/nfp_common.c b/drivers/net/nfp/nfp_common.c
index 5683afc40a31..780316c764df 100644
--- a/drivers/net/nfp/nfp_common.c
+++ b/drivers/net/nfp/nfp_common.c
@@ -390,8 +390,12 @@ nfp_net_configure(struct rte_eth_dev *dev)
        rxmode = &dev_conf->rxmode;
        txmode = &dev_conf->txmode;
 
-       if (rxmode->mq_mode & RTE_ETH_MQ_RX_RSS_FLAG)
+       if (rxmode->mq_mode & RTE_ETH_MQ_RX_RSS_FLAG) {
                rxmode->offloads |= RTE_ETH_RX_OFFLOAD_RSS_HASH;
+               if (dev_conf->rx_adv_conf.rss_conf.algorithm !=
+                   RTE_ETH_HASH_FUNCTION_DEFAULT)
+                       return -EINVAL;
+       }
 
        /* Checking TX mode */
        if (txmode->mq_mode) {
@@ -1805,6 +1809,9 @@ nfp_net_rss_hash_update(struct rte_eth_dev *dev,
                return 0; /* Nothing to do */
        }
 
+       if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+               return -EINVAL;
+
        if (rss_conf->rss_key_len > NFP_NET_CFG_RSS_KEY_SZ) {
                PMD_DRV_LOG(ERR, "hash key too long");
                return -EINVAL;
-- 
2.30.0

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