[PATCH v5 28/40] net/ngbe: : 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/ngbe/ngbe_ethdev.c | 6 +++++-
 drivers/net/ngbe/ngbe_rxtx.c   | 3 +++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ngbe/ngbe_ethdev.c b/drivers/net/ngbe/ngbe_ethdev.c
index 478da014b2f8..bb4b8afb0a80 100644
--- a/drivers/net/ngbe/ngbe_ethdev.c
+++ b/drivers/net/ngbe/ngbe_ethdev.c
@@ -921,8 +921,12 @@ ngbe_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) {
+               if (dev->data->dev_conf.rx_adv_conf.rss_conf.algorithm !=
+                   RTE_ETH_HASH_FUNCTION_DEFAULT)
+                       return -EINVAL;
                dev->data->dev_conf.rxmode.offloads |= 
RTE_ETH_RX_OFFLOAD_RSS_HASH;
+       }
 
        /* set flag to update link status after init */
        intr->flags |= NGBE_FLAG_NEED_LINK_UPDATE;
diff --git a/drivers/net/ngbe/ngbe_rxtx.c b/drivers/net/ngbe/ngbe_rxtx.c
index f31906cc2fe3..0b22d567fcb6 100644
--- a/drivers/net/ngbe/ngbe_rxtx.c
+++ b/drivers/net/ngbe/ngbe_rxtx.c
@@ -2500,6 +2500,9 @@ ngbe_dev_rss_hash_update(struct rte_eth_dev *dev,
                return -ENOTSUP;
        }
 
+       if (rss_conf->algorithm != RTE_ETH_HASH_FUNCTION_DEFAULT)
+               return -EINVAL;
+
        hash_key = rss_conf->rss_key;
        if (hash_key) {
                /* Fill in RSS hash key */
-- 
2.30.0