tun.c

 1// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
 2// Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
 3
 4#include "act.h"
 5#include "en/tc_tun_encap.h"
 6#include "en/tc_priv.h"
 7
 8static bool
 9tc_act_can_offload_tun_encap(struct mlx5e_tc_act_parse_state *parse_state,
10			     const struct flow_action_entry *act,
11			     int act_index,
12			     struct mlx5_flow_attr *attr)
13{
14	if (!act->tunnel) {
15		NL_SET_ERR_MSG_MOD(parse_state->extack,
16				   "Zero tunnel attributes is not supported");
17		return false;
18	}
19
20	return true;
21}
22
23static int
24tc_act_parse_tun_encap(struct mlx5e_tc_act_parse_state *parse_state,
25		       const struct flow_action_entry *act,
26		       struct mlx5e_priv *priv,
27		       struct mlx5_flow_attr *attr)
28{
29	parse_state->tun_info = act->tunnel;
30	parse_state->encap = true;
31
32	return 0;
33}
34
35static int
36tc_act_parse_tun_decap(struct mlx5e_tc_act_parse_state *parse_state,
37		       const struct flow_action_entry *act,
38		       struct mlx5e_priv *priv,
39		       struct mlx5_flow_attr *attr)
40{
41	parse_state->decap = true;
42
43	return 0;
44}
45
46struct mlx5e_tc_act mlx5e_tc_act_tun_encap = {
47	.can_offload = tc_act_can_offload_tun_encap,
48	.parse_action = tc_act_parse_tun_encap,
49};
50
51struct mlx5e_tc_act mlx5e_tc_act_tun_decap = {
52	.parse_action = tc_act_parse_tun_decap,
53};