// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
// Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.

#include "act.h"
#include "en/tc_tun_encap.h"
#include "en/tc_priv.h"

static bool
tc_act_can_offload_tun_encap(struct mlx5e_tc_act_parse_state *parse_state,
                             const struct flow_action_entry *act,
                             int act_index,
                             struct mlx5_flow_attr *attr)
{
        if (!act->tunnel) {
                NL_SET_ERR_MSG_MOD(parse_state->extack,
                                   "Zero tunnel attributes is not supported");
                return false;
        }

        return true;
}

static int
tc_act_parse_tun_encap(struct mlx5e_tc_act_parse_state *parse_state,
                       const struct flow_action_entry *act,
                       struct mlx5e_priv *priv,
                       struct mlx5_flow_attr *attr)
{
        parse_state->tun_info = act->tunnel;
        parse_state->encap = true;

        return 0;
}

static int
tc_act_parse_tun_decap(struct mlx5e_tc_act_parse_state *parse_state,
                       const struct flow_action_entry *act,
                       struct mlx5e_priv *priv,
                       struct mlx5_flow_attr *attr)
{
        parse_state->decap = true;

        return 0;
}

struct mlx5e_tc_act mlx5e_tc_act_tun_encap = {
        .can_offload = tc_act_can_offload_tun_encap,
        .parse_action = tc_act_parse_tun_encap,
};

struct mlx5e_tc_act mlx5e_tc_act_tun_decap = {
        .parse_action = tc_act_parse_tun_decap,
};