[PATCH v5 15/40] net/fm10k: 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/fm10k/fm10k_ethdev.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index 4d3c4c10cfa4..d8b27e84d836 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -452,8 +452,12 @@ fm10k_dev_configure(struct rte_eth_dev *dev)
 
        PMD_INIT_FUNC_TRACE();
 
-       if (dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG)
+       if (dev->data->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;
+       }
 
        /* multiple queue mode checking */
        ret  = fm10k_check_mq_mode(dev);
@@ -2195,6 +2199,9 @@ fm10k_rss_hash_update(struct rte_eth_dev *dev,
                                FM10K_RSSRK_ENTRIES_PER_REG))
                return -EINVAL;
 
+       if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+               return -EINVAL;
+
        if (hf == 0)
                return -EINVAL;
 
-- 
2.30.0