ethdev: fix RSS update when RSS is disabled

[dpdk.git] / lib / ethdev / rte_ethdev.c

diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c
index 29a3d80..8520aec 100644 (file)
--- a/lib/ethdev/rte_ethdev.c
+++ b/lib/ethdev/rte_ethdev.c
@@ -3867,6 +3867,7 @@ rte_eth_dev_rss_reta_update(uint16_t port_id,
                            struct rte_eth_rss_reta_entry64 *reta_conf,
                            uint16_t reta_size)
 {
+       enum rte_eth_rx_mq_mode mq_mode;
        struct rte_eth_dev *dev;
        int ret;
 
@@ -3898,6 +3899,12 @@ rte_eth_dev_rss_reta_update(uint16_t port_id,
        if (ret < 0)
                return ret;
 
+       mq_mode = dev->data->dev_conf.rxmode.mq_mode;
+       if (!(mq_mode & RTE_ETH_MQ_RX_RSS_FLAG)) {
+               RTE_ETHDEV_LOG(ERR, "Multi-queue RSS mode isn't enabled.\n");
+               return -ENOTSUP;
+       }
+
        RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->reta_update, -ENOTSUP);
        return eth_err(port_id, (*dev->dev_ops->reta_update)(dev, reta_conf,
                                                             reta_size));
@@ -3937,6 +3944,7 @@ rte_eth_dev_rss_hash_update(uint16_t port_id,
 {
        struct rte_eth_dev *dev;
        struct rte_eth_dev_info dev_info = { .flow_type_rss_offloads = 0, };
+       enum rte_eth_rx_mq_mode mq_mode;
        int ret;
 
        RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
@@ -3962,6 +3970,13 @@ rte_eth_dev_rss_hash_update(uint16_t port_id,
                        dev_info.flow_type_rss_offloads);
                return -EINVAL;
        }
+
+       mq_mode = dev->data->dev_conf.rxmode.mq_mode;
+       if (!(mq_mode & RTE_ETH_MQ_RX_RSS_FLAG)) {
+               RTE_ETHDEV_LOG(ERR, "Multi-queue RSS mode isn't enabled.\n");
+               return -ENOTSUP;
+       }
+
        RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rss_hash_update, -ENOTSUP);
        return eth_err(port_id, (*dev->dev_ops->rss_hash_update)(dev,
                                                                 rss_conf));