/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
 */

#ifndef __NET_TC_VLAN_H
#define __NET_TC_VLAN_H

#include <net/act_api.h>
#include <linux/tc_act/tc_vlan.h>

struct tcf_vlan_params {
        int               action;
        int               tcfv_action;
        unsigned char     tcfv_push_dst[ETH_ALEN];
        unsigned char     tcfv_push_src[ETH_ALEN];
        u16               tcfv_push_vid;
        __be16            tcfv_push_proto;
        u8                tcfv_push_prio;
        bool              tcfv_push_prio_exists;
        struct rcu_head   rcu;
};

struct tcf_vlan {
        struct tc_action        common;
        struct tcf_vlan_params __rcu *vlan_p;
};
#define to_vlan(a) ((struct tcf_vlan *)a)

static inline u32 tcf_vlan_action(const struct tc_action *a)
{
        u32 tcfv_action;

        rcu_read_lock();
        tcfv_action = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_action;
        rcu_read_unlock();

        return tcfv_action;
}

static inline u16 tcf_vlan_push_vid(const struct tc_action *a)
{
        u16 tcfv_push_vid;

        rcu_read_lock();
        tcfv_push_vid = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_vid;
        rcu_read_unlock();

        return tcfv_push_vid;
}

static inline __be16 tcf_vlan_push_proto(const struct tc_action *a)
{
        __be16 tcfv_push_proto;

        rcu_read_lock();
        tcfv_push_proto = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_proto;
        rcu_read_unlock();

        return tcfv_push_proto;
}

static inline u8 tcf_vlan_push_prio(const struct tc_action *a)
{
        u8 tcfv_push_prio;

        rcu_read_lock();
        tcfv_push_prio = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_prio;
        rcu_read_unlock();

        return tcfv_push_prio;
}

static inline void tcf_vlan_push_eth(unsigned char *src, unsigned char *dest,
                                     const struct tc_action *a)
{
        rcu_read_lock();
        memcpy(dest, rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_dst, ETH_ALEN);
        memcpy(src, rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_src, ETH_ALEN);
        rcu_read_unlock();
}

#endif /* __NET_TC_VLAN_H */