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// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
// Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#include "act.h"
#include "en/tc_priv.h"
#include "en/tc_ct.h"
static bool
tc_act_can_offload_ct(struct mlx5e_tc_act_parse_state *parse_state,
const struct flow_action_entry *act,
int act_index,
struct mlx5_flow_attr *attr)
{
bool clear_action = act->ct.action & TCA_CT_ACT_CLEAR;
struct netlink_ext_ack *extack = parse_state->extack;
if (parse_state->ct && !clear_action) {
NL_SET_ERR_MSG_MOD(extack, "Multiple CT actions are not supported");
return false;
}
return true;
}
static int
tc_act_parse_ct(struct mlx5e_tc_act_parse_state *parse_state,
const struct flow_action_entry *act,
struct mlx5e_priv *priv,
struct mlx5_flow_attr *attr)
{
bool clear_action = act->ct.action & TCA_CT_ACT_CLEAR;
int err;
err = mlx5_tc_ct_parse_action(parse_state->ct_priv, attr,
&attr->parse_attr->mod_hdr_acts,
act, parse_state->extack);
if (err)
return err;
if (mlx5e_is_eswitch_flow(parse_state->flow))
attr->esw_attr->split_count = attr->esw_attr->out_count;
if (!clear_action) {
attr->flags |= MLX5_ATTR_FLAG_CT;
flow_flag_set(parse_state->flow, CT);
parse_state->ct = true;
}
return 0;
}
static bool
tc_act_is_multi_table_act_ct(struct mlx5e_priv *priv,
const struct flow_action_entry *act,
struct mlx5_flow_attr *attr)
{
if (act->ct.action & TCA_CT_ACT_CLEAR)
return false;
return true;
}
struct mlx5e_tc_act mlx5e_tc_act_ct = {
.can_offload = tc_act_can_offload_ct,
.parse_action = tc_act_parse_ct,
.is_multi_table_act = tc_act_is_multi_table_act_ct,
};
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