1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c
new file mode 100644
index 000000000000..cd729557b17b
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+// Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+
+#include "post_act.h"
+#include "mlx5_core.h"
+
+struct mlx5e_post_act {
+	enum mlx5_flow_namespace_type ns_type;
+	struct mlx5_fs_chains *chains;
+	struct mlx5_flow_table *ft;
+	struct mlx5e_priv *priv;
+};
+
+struct mlx5e_post_act *
+mlx5e_tc_post_act_init(struct mlx5e_priv *priv, struct mlx5_fs_chains *chains,
+		       enum mlx5_flow_namespace_type ns_type)
+{
+	struct mlx5e_post_act *post_act;
+	int err;
+
+	if (ns_type == MLX5_FLOW_NAMESPACE_FDB &&
+	    !MLX5_CAP_ESW_FLOWTABLE_FDB(priv->mdev, ignore_flow_level)) {
+		mlx5_core_warn(priv->mdev, "firmware level support is missing\n");
+		err = -EOPNOTSUPP;
+		goto err_check;
+	} else if (!MLX5_CAP_FLOWTABLE_NIC_RX(priv->mdev, ignore_flow_level)) {
+		mlx5_core_warn(priv->mdev, "firmware level support is missing\n");
+		err = -EOPNOTSUPP;
+		goto err_check;
+	}
+
+	post_act = kzalloc(sizeof(*post_act), GFP_KERNEL);
+	if (!post_act) {
+		err = -ENOMEM;
+		goto err_check;
+	}
+	post_act->ft = mlx5_chains_create_global_table(chains);
+	if (IS_ERR(post_act->ft)) {
+		err = PTR_ERR(post_act->ft);
+		mlx5_core_warn(priv->mdev, "failed to create post action table, err: %d\n", err);
+		goto err_ft;
+	}
+	post_act->chains = chains;
+	post_act->ns_type = ns_type;
+	post_act->priv = priv;
+	return post_act;
+
+err_ft:
+	kfree(post_act);
+err_check:
+	return ERR_PTR(err);
+}
+
+void
+mlx5e_tc_post_act_destroy(struct mlx5e_post_act *post_act)
+{
+	if (IS_ERR_OR_NULL(post_act))
+		return;
+
+	mlx5_chains_destroy_global_table(post_act->chains, post_act->ft);
+	kfree(post_act);
+}