[PATCH v5 31/40] net/qede: 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/qede/qede_ethdev.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c
index 22cd4706467a..7db69e8f35e0 100644
--- a/drivers/net/qede/qede_ethdev.c
+++ b/drivers/net/qede/qede_ethdev.c
@@ -1272,8 +1272,12 @@ static int qede_dev_configure(struct rte_eth_dev 
*eth_dev)
 
        PMD_INIT_FUNC_TRACE(edev);
 
-       if (rxmode->mq_mode & RTE_ETH_MQ_RX_RSS_FLAG)
+       if (rxmode->mq_mode & RTE_ETH_MQ_RX_RSS_FLAG) {
+               if (eth_dev->data->dev_conf.rx_adv_conf.rss_conf.algorithm !=
+                   RTE_ETH_HASH_FUNCTION_DEFAULT)
+                       return -EINVAL;
                rxmode->offloads |= RTE_ETH_RX_OFFLOAD_RSS_HASH;
+       }
 
        /* We need to have min 1 RX queue.There is no min check in
         * rte_eth_dev_configure(), so we are checking it here.
@@ -2119,6 +2123,9 @@ int qede_rss_hash_update(struct rte_eth_dev *eth_dev,
        DP_INFO(edev, "RSS hf = 0x%lx len = %u key = %p\n",
                (unsigned long)hf, len, key);
 
+       if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+               return -EINVAL;
+
        if (hf != 0) {
                /* Enabling RSS */
                DP_INFO(edev, "Enabling rss\n");
-- 
2.30.0