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/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
/* Copyright (C) 2019 Netronome Systems, Inc. */
#ifndef __NET_TC_MPLS_H
#define __NET_TC_MPLS_H
#include <linux/tc_act/tc_mpls.h>
#include <net/act_api.h>
struct tcf_mpls_params {
int tcfm_action;
u32 tcfm_label;
u8 tcfm_tc;
u8 tcfm_ttl;
u8 tcfm_bos;
__be16 tcfm_proto;
struct rcu_head rcu;
};
#define ACT_MPLS_TC_NOT_SET 0xff
#define ACT_MPLS_BOS_NOT_SET 0xff
#define ACT_MPLS_LABEL_NOT_SET 0xffffffff
struct tcf_mpls {
struct tc_action common;
struct tcf_mpls_params __rcu *mpls_p;
};
#define to_mpls(a) ((struct tcf_mpls *)a)
static inline bool is_tcf_mpls(const struct tc_action *a)
{
#ifdef CONFIG_NET_CLS_ACT
if (a->ops && a->ops->id == TCA_ID_MPLS)
return true;
#endif
return false;
}
static inline u32 tcf_mpls_action(const struct tc_action *a)
{
u32 tcfm_action;
rcu_read_lock();
tcfm_action = rcu_dereference(to_mpls(a)->mpls_p)->tcfm_action;
rcu_read_unlock();
return tcfm_action;
}
static inline __be16 tcf_mpls_proto(const struct tc_action *a)
{
__be16 tcfm_proto;
rcu_read_lock();
tcfm_proto = rcu_dereference(to_mpls(a)->mpls_p)->tcfm_proto;
rcu_read_unlock();
return tcfm_proto;
}
static inline u32 tcf_mpls_label(const struct tc_action *a)
{
u32 tcfm_label;
rcu_read_lock();
tcfm_label = rcu_dereference(to_mpls(a)->mpls_p)->tcfm_label;
rcu_read_unlock();
return tcfm_label;
}
static inline u8 tcf_mpls_tc(const struct tc_action *a)
{
u8 tcfm_tc;
rcu_read_lock();
tcfm_tc = rcu_dereference(to_mpls(a)->mpls_p)->tcfm_tc;
rcu_read_unlock();
return tcfm_tc;
}
static inline u8 tcf_mpls_bos(const struct tc_action *a)
{
u8 tcfm_bos;
rcu_read_lock();
tcfm_bos = rcu_dereference(to_mpls(a)->mpls_p)->tcfm_bos;
rcu_read_unlock();
return tcfm_bos;
}
static inline u8 tcf_mpls_ttl(const struct tc_action *a)
{
u8 tcfm_ttl;
rcu_read_lock();
tcfm_ttl = rcu_dereference(to_mpls(a)->mpls_p)->tcfm_ttl;
rcu_read_unlock();
return tcfm_ttl;
}
#endif /* __NET_TC_MPLS_H */