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
8 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)9 tc_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
23 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)24 tc_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
35 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)36 tc_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
46 struct 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
51 struct mlx5e_tc_act mlx5e_tc_act_tun_decap = {
52 .parse_action = tc_act_parse_tun_decap,
53 };
54