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/* 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 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 bool is_tcf_vlan(const struct tc_action *a)
{
#ifdef CONFIG_NET_CLS_ACT
if (a->ops && a->ops->id == TCA_ID_VLAN)
return true;
#endif
return false;
}
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 */
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