Quelle  tun.c   Sprache: C

// 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,
};