mark.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.h"
 6
 7static bool
 8tc_act_can_offload_mark(struct mlx5e_tc_act_parse_state *parse_state,
 9			const struct flow_action_entry *act,
10			int act_index,
11			struct mlx5_flow_attr *attr)
12{
13	if (act->mark & ~MLX5E_TC_FLOW_ID_MASK) {
14		NL_SET_ERR_MSG_MOD(parse_state->extack, "Bad flow mark, only 16 bit supported");
15		return false;
16	}
17
18	return true;
19}
20
21static int
22tc_act_parse_mark(struct mlx5e_tc_act_parse_state *parse_state,
23		  const struct flow_action_entry *act,
24		  struct mlx5e_priv *priv,
25		  struct mlx5_flow_attr *attr)
26{
27	attr->nic_attr->flow_tag = act->mark;
28	attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
29
30	return 0;
31}
32
33struct mlx5e_tc_act mlx5e_tc_act_mark = {
34	.can_offload = tc_act_can_offload_mark,
35	.parse_action = tc_act_parse_mark,
36};