[PATCH v5 14/40] net/enic: 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 <haijie1 at huawei.com>
---
 drivers/net/enic/enic_ethdev.c | 1 +
 drivers/net/enic/enic_main.c   | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/drivers/net/enic/enic_ethdev.c b/drivers/net/enic/enic_ethdev.c
index cdf091559196..164f423a85c8 100644
--- a/drivers/net/enic/enic_ethdev.c
+++ b/drivers/net/enic/enic_ethdev.c
@@ -834,6 +834,7 @@ static int enicpmd_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 	ENICPMD_FUNC_TRACE();
 	if (rss_conf == NULL)
 		return -EINVAL;
+
 	if (rss_conf->rss_key != NULL &&
 	    rss_conf->rss_key_len < ENIC_RSS_HASH_KEY_SIZE) {
 		dev_err(enic, "rss_hash_conf_get: wrong rss_key_len. given=%u"
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index 19a99a82c501..2eafe7637b3a 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -1428,6 +1428,9 @@ int enic_set_rss_conf(struct enic *enic, struct rte_eth_rss_conf *rss_conf)
 		}
 	}
 
+	if (rss_enable && rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+		return -EINVAL;
+
 	ret = enic_set_niccfg(enic, ENIC_RSS_DEFAULT_CPU, rss_hash_type,
 			      ENIC_RSS_HASH_BITS, ENIC_RSS_BASE_CPU,
 			      rss_enable);
-- 
2.30.0