Imported Upstream version 17.05

[deb_dpdk.git] / drivers / net / mlx5 / mlx5_rss.c

diff --git a/drivers/net/mlx5/mlx5_rss.c b/drivers/net/mlx5/mlx5_rss.c
index 0bed74e..a2dd7d1 100644 (file)
--- a/drivers/net/mlx5/mlx5_rss.c
+++ b/drivers/net/mlx5/mlx5_rss.c
@@ -257,13 +257,9 @@ priv_dev_rss_reta_query(struct priv *priv,
 {
        unsigned int idx;
        unsigned int i;
-       int ret;
-
-       /* See RETA comment in mlx5_dev_infos_get(). */
-       ret = priv_rss_reta_index_resize(priv, priv->ind_table_max_size);
-       if (ret)
-               return ret;
 
+       if (!reta_size || reta_size > priv->reta_idx_n)
+               return EINVAL;
        /* Fill each entry of the table even if its bit is not set. */
        for (idx = 0, i = 0; (i != reta_size); ++i) {
                idx = i / RTE_RETA_GROUP_SIZE;
@@ -296,8 +292,9 @@ priv_dev_rss_reta_update(struct priv *priv,
        unsigned int pos;
        int ret;
 
-       /* See RETA comment in mlx5_dev_infos_get(). */
-       ret = priv_rss_reta_index_resize(priv, priv->ind_table_max_size);
+       if (!reta_size)
+               return EINVAL;
+       ret = priv_rss_reta_index_resize(priv, reta_size);
        if (ret)
                return ret;
 
@@ -360,8 +357,11 @@ mlx5_dev_rss_reta_update(struct rte_eth_dev *dev,
        int ret;
        struct priv *priv = dev->data->dev_private;
 
+       mlx5_dev_stop(dev);
        priv_lock(priv);
        ret = priv_dev_rss_reta_update(priv, reta_conf, reta_size);
        priv_unlock(priv);
-       return -ret;
+       if (ret)
+               return -ret;
+       return mlx5_dev_start(dev);
 }