/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */

#ifndef __MLX5_EN_TC_ACT_H__
#define __MLX5_EN_TC_ACT_H__

#include <net/tc_act/tc_pedit.h>
#include <net/flow_offload.h>
#include <linux/netlink.h>
#include "eswitch.h"
#include "pedit.h"

struct mlx5_flow_attr;

struct mlx5e_tc_act_parse_state {
        struct flow_action *flow_action;
        struct mlx5e_tc_flow *flow;
        struct netlink_ext_ack *extack;
        u32 actions;
        bool encap;
        bool decap;
        bool mpls_push;
        bool eth_push;
        bool eth_pop;
        bool ptype_host;
        const struct ip_tunnel_info *tun_info;
        struct mlx5e_mpls_info mpls_info;
        int ifindexes[MLX5_MAX_FLOW_FWD_VPORTS];
        int if_count;
        struct mlx5_tc_ct_priv *ct_priv;
};

struct mlx5e_tc_act_branch_ctrl {
        enum flow_action_id act_id;
        u32 extval;
};

struct mlx5e_tc_act {
        bool (*can_offload)(struct mlx5e_tc_act_parse_state *parse_state,
                            const struct flow_action_entry *act,
                            int act_index,
                            struct mlx5_flow_attr *attr);

        int (*parse_action)(struct mlx5e_tc_act_parse_state *parse_state,
                            const struct flow_action_entry *act,
                            struct mlx5e_priv *priv,
                            struct mlx5_flow_attr *attr);

        int (*post_parse)(struct mlx5e_tc_act_parse_state *parse_state,
                          struct mlx5e_priv *priv,
                          struct mlx5_flow_attr *attr);

        bool (*is_multi_table_act)(struct mlx5e_priv *priv,
                                   const struct flow_action_entry *act,
                                   struct mlx5_flow_attr *attr);

        bool (*is_missable)(const struct flow_action_entry *act);

        int (*offload_action)(struct mlx5e_priv *priv,
                              struct flow_offload_action *fl_act,
                              struct flow_action_entry *act);

        int (*destroy_action)(struct mlx5e_priv *priv,
                              struct flow_offload_action *fl_act);

        int (*stats_action)(struct mlx5e_priv *priv,
                            struct flow_offload_action *fl_act);

        bool (*get_branch_ctrl)(const struct flow_action_entry *act,
                                struct mlx5e_tc_act_branch_ctrl *cond_true,
                                struct mlx5e_tc_act_branch_ctrl *cond_false);

        bool is_terminating_action;
};

extern struct mlx5e_tc_act mlx5e_tc_act_drop;
extern struct mlx5e_tc_act mlx5e_tc_act_trap;
extern struct mlx5e_tc_act mlx5e_tc_act_accept;
extern struct mlx5e_tc_act mlx5e_tc_act_mark;
extern struct mlx5e_tc_act mlx5e_tc_act_goto;
extern struct mlx5e_tc_act mlx5e_tc_act_tun_encap;
extern struct mlx5e_tc_act mlx5e_tc_act_tun_decap;
extern struct mlx5e_tc_act mlx5e_tc_act_csum;
extern struct mlx5e_tc_act mlx5e_tc_act_pedit;
extern struct mlx5e_tc_act mlx5e_tc_act_vlan;
extern struct mlx5e_tc_act mlx5e_tc_act_vlan_mangle;
extern struct mlx5e_tc_act mlx5e_tc_act_mpls_push;
extern struct mlx5e_tc_act mlx5e_tc_act_mpls_pop;
extern struct mlx5e_tc_act mlx5e_tc_act_mirred;
extern struct mlx5e_tc_act mlx5e_tc_act_redirect;
extern struct mlx5e_tc_act mlx5e_tc_act_mirred_nic;
extern struct mlx5e_tc_act mlx5e_tc_act_ct;
extern struct mlx5e_tc_act mlx5e_tc_act_sample;
extern struct mlx5e_tc_act mlx5e_tc_act_ptype;
extern struct mlx5e_tc_act mlx5e_tc_act_redirect_ingress;
extern struct mlx5e_tc_act mlx5e_tc_act_police;

struct mlx5e_tc_act *
mlx5e_tc_act_get(enum flow_action_id act_id,
                 enum mlx5_flow_namespace_type ns_type);

void
mlx5e_tc_act_init_parse_state(struct mlx5e_tc_act_parse_state *parse_state,
                              struct mlx5e_tc_flow *flow,
                              struct flow_action *flow_action,
                              struct netlink_ext_ack *extack);

int
mlx5e_tc_act_post_parse(struct mlx5e_tc_act_parse_state *parse_state,
                        struct flow_action *flow_action, int from, int to,
                        struct mlx5_flow_attr *attr,
                        enum mlx5_flow_namespace_type ns_type);

int
mlx5e_tc_act_set_next_post_act(struct mlx5e_tc_flow *flow,
                               struct mlx5_flow_attr *attr,
                               struct mlx5_flow_attr *next_attr);

#endif /* __MLX5_EN_TC_ACT_H__ */