[PATCH v5 20/40] net/idpf: check RSS hash algorithms

[Jie Hai]

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/idpf/idpf_ethdev.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/idpf/idpf_ethdev.c b/drivers/net/idpf/idpf_ethdev.c
index 3af7cf0bb7e0..013db04ac8fc 100644
--- a/drivers/net/idpf/idpf_ethdev.c
+++ b/drivers/net/idpf/idpf_ethdev.c
@@ -426,6 +426,9 @@ idpf_init_rss(struct idpf_vport *vport)
        rss_conf = &dev_data->dev_conf.rx_adv_conf.rss_conf;
        nb_q = dev_data->nb_rx_queues;
 
+       if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+               return -EINVAL;
+
        if (rss_conf->rss_key == NULL) {
                for (i = 0; i < vport->rss_key_size; i++)
                        vport->rss_key[i] = (uint8_t)rte_rand();
@@ -541,6 +544,9 @@ idpf_rss_hash_update(struct rte_eth_dev *dev,
                return -ENOTSUP;
        }
 
+       if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+               return -EINVAL;
+
        if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) {
                PMD_DRV_LOG(DEBUG, "No key to be configured");
                goto skip_rss_key;
-- 
2.30.0