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/sfc/sfc_ethdev.c | 3 +++
 drivers/net/sfc/sfc_rx.c     | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index 1efe64a36a7f..19d7761e2664 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -1728,6 +1728,9 @@ sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
                        goto fail_scale_mode_set;
        }
 
+       if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+               return -EINVAL;
+
        if (rss_conf->rss_key != NULL) {
                if (sa->state == SFC_ETHDEV_STARTED) {
                        for (key_i = 0; key_i < n_contexts; key_i++) {
diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c
index 1dde2c111001..71c151a07162 100644
--- a/drivers/net/sfc/sfc_rx.c
+++ b/drivers/net/sfc/sfc_rx.c
@@ -1519,6 +1519,9 @@ sfc_rx_process_adv_conf_rss(struct sfc_adapter *sa,
                        return rc;
        }
 
+       if (conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+               return -EINVAL;
+
        if (conf->rss_key != NULL) {
                if (conf->rss_key_len != sizeof(rss->key)) {
                        sfc_err(sa, "RSS key size is wrong (should be %zu)",
-- 
2.30.0

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