[PATCH v5 04/40] net/axgbe: 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/axgbe/axgbe_ethdev.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c
index d08ea4893c37..f67faff2d636 100644
--- a/drivers/net/axgbe/axgbe_ethdev.c
+++ b/drivers/net/axgbe/axgbe_ethdev.c
@@ -339,6 +339,12 @@ static int
 axgbe_dev_configure(struct rte_eth_dev *dev)
 {
        struct axgbe_port *pdata =  dev->data->dev_private;
+
+       if (dev->data->dev_conf.rxmode.mq_mode == RTE_ETH_MQ_RX_RSS &&
+           dev->data->dev_conf.rx_adv_conf.rss_conf.algorithm !=
+           RTE_ETH_HASH_FUNCTION_DEFAULT)
+               return -EINVAL;
+
        /* Checksum offload to hardware */
        pdata->rx_csum_enable = dev->data->dev_conf.rxmode.offloads &
                                RTE_ETH_RX_OFFLOAD_CHECKSUM;
@@ -582,6 +588,9 @@ axgbe_dev_rss_hash_update(struct rte_eth_dev *dev,
                return -EINVAL;
        }
 
+       if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+               return -EINVAL;
+
        if (rss_conf->rss_key != NULL &&
            rss_conf->rss_key_len == AXGBE_RSS_HASH_KEY_SIZE) {
                rte_memcpy(pdata->rss_key, rss_conf->rss_key,
-- 
2.30.0