net/mlx5: fix flow tag hash list conversion

When DR is not supported and DV is supported, tag action still can be
used by the metadata feature.

Wrongly, the tag hash list was not created what caused failure in
metadata action creation.

Create the tag hash list for each DV case.

Fixes: 860897d ("net/mlx5: reorganize flow tables with hash list")

Signed-off-by: Matan Azrad <[email protected]>

drivers/net/mlx5/mlx5.c

@@ -866,13 +866,21 @@ mlx5_alloc_table_hash_list(struct mlx5_priv *priv)
 static int
 mlx5_alloc_shared_dr(struct mlx5_priv *priv)
 {
+	struct mlx5_ibv_shared *sh = priv->sh;
+	char s[MLX5_HLIST_NAMESIZE];
 	int err = mlx5_alloc_table_hash_list(priv);
 
 	if (err)
 		return err;
+	/* Create tags hash list table. */
+	snprintf(s, sizeof(s), "%s_tags", sh->ibdev_name);
+	sh->tag_table = mlx5_hlist_create(s, MLX5_TAGS_HLIST_ARRAY_SIZE);
+	if (!sh->tag_table) {
+		DRV_LOG(ERR, "tags with hash creation failed.\n");
+		err = ENOMEM;
+		goto error;
+	}
 #ifdef HAVE_MLX5DV_DR
-	struct mlx5_ibv_shared *sh = priv->sh;
-	char s[MLX5_HLIST_NAMESIZE];
 	void *domain;
 
 	if (sh->dv_refcnt) {
@@ -912,20 +920,13 @@ mlx5_alloc_shared_dr(struct mlx5_priv *priv)
 		sh->esw_drop_action = mlx5_glue->dr_create_flow_action_drop();
 	}
 #endif
-	/* create tags hash list table. */
-	snprintf(s, sizeof(s), "%s_tags", priv->sh->ibdev_name);
-	sh->tag_table = mlx5_hlist_create(s, MLX5_TAGS_HLIST_ARRAY_SIZE);
-	if (!sh->flow_tbls) {
-		DRV_LOG(ERR, "tags with hash creation failed.\n");
-		goto error;
-	}
 	sh->pop_vlan_action = mlx5_glue->dr_create_flow_action_pop_vlan();
+#endif /* HAVE_MLX5DV_DR */
 	sh->dv_refcnt++;
 	priv->dr_shared = 1;
 	return 0;
-
 error:
-       /* Rollback the created objects. */
+	/* Rollback the created objects. */
 	if (sh->rx_domain) {
 		mlx5_glue->dr_destroy_domain(sh->rx_domain);
 		sh->rx_domain = NULL;
@@ -946,8 +947,12 @@ mlx5_alloc_shared_dr(struct mlx5_priv *priv)
 		mlx5_glue->destroy_flow_action(sh->pop_vlan_action);
 		sh->pop_vlan_action = NULL;
 	}
+	if (sh->tag_table) {
+		/* tags should be destroyed with flow before. */
+		mlx5_hlist_destroy(sh->tag_table, NULL, NULL);
+		sh->tag_table = NULL;
+	}
 	mlx5_free_table_hash_list(priv);
-#endif
 	return err;
 }
 
@@ -960,14 +965,14 @@ mlx5_alloc_shared_dr(struct mlx5_priv *priv)
 static void
 mlx5_free_shared_dr(struct mlx5_priv *priv)
 {
-#ifdef HAVE_MLX5DV_DR
 	struct mlx5_ibv_shared *sh;
 
 	if (!priv->dr_shared)
 		return;
 	priv->dr_shared = 0;
 	sh = priv->sh;
 	assert(sh);
+#ifdef HAVE_MLX5DV_DR
 	assert(sh->dv_refcnt);
 	if (sh->dv_refcnt && --sh->dv_refcnt)
 		return;
@@ -989,17 +994,17 @@ mlx5_free_shared_dr(struct mlx5_priv *priv)
 		sh->esw_drop_action = NULL;
 	}
 #endif
-	if (sh->tag_table) {
-		/* tags should be destroyed with flow before. */
-		mlx5_hlist_destroy(sh->tag_table, NULL, NULL);
-		sh->tag_table = NULL;
-	}
 	if (sh->pop_vlan_action) {
 		mlx5_glue->destroy_flow_action(sh->pop_vlan_action);
 		sh->pop_vlan_action = NULL;
 	}
 	pthread_mutex_destroy(&sh->dv_mutex);
 #endif /* HAVE_MLX5DV_DR */
+	if (sh->tag_table) {
+		/* tags should be destroyed with flow before. */
+		mlx5_hlist_destroy(sh->tag_table, NULL, NULL);
+		sh->tag_table = NULL;
+	}
 	mlx5_free_table_hash_list(priv);
 }