[PATCH v5 24/40] net/mana: 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/mana/mana.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/net/mana/mana.c b/drivers/net/mana/mana.c
index 41c3cf259584..e3055bb545d9 100644
--- a/drivers/net/mana/mana.c
+++ b/drivers/net/mana/mana.c
@@ -80,8 +80,12 @@ mana_dev_configure(struct rte_eth_dev *dev)
        struct mana_priv *priv = dev->data->dev_private;
        struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 
-       if (dev_conf->rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG)
-               dev_conf->rxmode.offloads |= RTE_ETH_RX_OFFLOAD_RSS_HASH;
+       if (dev_conf->rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG) {
+               dev->data->dev_conf.rxmode.offloads |= 
RTE_ETH_RX_OFFLOAD_RSS_HASH;
+               if (dev->data->dev_conf.rx_adv_conf.rss_conf.algorithm !=
+                   RTE_ETH_HASH_FUNCTION_DEFAULT)
+                       return -EINVAL;
+       }
 
        if (dev->data->nb_rx_queues != dev->data->nb_tx_queues) {
                DRV_LOG(ERR, "Only support equal number of rx/tx queues");
@@ -413,6 +417,9 @@ mana_rss_hash_update(struct rte_eth_dev *dev,
                return -ENODEV;
        }
 
+       if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+               return -EINVAL;
+
        if (rss_conf->rss_hf & ~MANA_ETH_RSS_SUPPORT) {
                DRV_LOG(ERR, "Port %u invalid RSS HF 0x%" PRIx64,
                        dev->data->port_id, rss_conf->rss_hf);
-- 
2.30.0