[PATCH v5 12/40] net/dpaa2: 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/dpaa2/dpaa2_ethdev.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index 679f33ae1a08..355c94b6112f 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -583,6 +583,10 @@ dpaa2_eth_dev_configure(struct rte_eth_dev *dev)
 	}
 
 	if (eth_conf->rxmode.mq_mode == RTE_ETH_MQ_RX_RSS) {
+		if (eth_conf->rx_adv_conf.rss_conf.algorithm !=
+		    RTE_ETH_HASH_FUNCTION_DEFAULT)
+			return -EINVAL;
+
 		for (tc_index = 0; tc_index < priv->num_rx_tc; tc_index++) {
 			ret = dpaa2_setup_flow_dist(dev,
 					eth_conf->rx_adv_conf.rss_conf.rss_hf,
@@ -2194,6 +2198,9 @@ dpaa2_dev_rss_hash_update(struct rte_eth_dev *dev,
 
 	PMD_INIT_FUNC_TRACE();
 
+	if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+		return -EINVAL;
+
 	if (rss_conf->rss_hf) {
 		for (tc_index = 0; tc_index < priv->num_rx_tc; tc_index++) {
 			ret = dpaa2_setup_flow_dist(dev, rss_conf->rss_hf,
-- 
2.30.0