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/*
* Copyright (c) 2016, Amir Vadai <amir@vadai.me>
* Copyright (c) 2016, Mellanox Technologies. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __NET_TC_TUNNEL_KEY_H
#define __NET_TC_TUNNEL_KEY_H
#include <net/act_api.h>
#include <linux/tc_act/tc_tunnel_key.h>
#include <net/dst_metadata.h>
struct tcf_tunnel_key_params {
struct rcu_head rcu;
int tcft_action;
struct metadata_dst *tcft_enc_metadata;
};
struct tcf_tunnel_key {
struct tc_action common;
struct tcf_tunnel_key_params __rcu *params;
};
#define to_tunnel_key(a) ((struct tcf_tunnel_key *)a)
static inline bool is_tcf_tunnel_set(const struct tc_action *a)
{
#ifdef CONFIG_NET_CLS_ACT
struct tcf_tunnel_key *t = to_tunnel_key(a);
struct tcf_tunnel_key_params *params = rtnl_dereference(t->params);
if (a->ops && a->ops->id == TCA_ID_TUNNEL_KEY)
return params->tcft_action == TCA_TUNNEL_KEY_ACT_SET;
#endif
return false;
}
static inline bool is_tcf_tunnel_release(const struct tc_action *a)
{
#ifdef CONFIG_NET_CLS_ACT
struct tcf_tunnel_key *t = to_tunnel_key(a);
struct tcf_tunnel_key_params *params = rtnl_dereference(t->params);
if (a->ops && a->ops->id == TCA_ID_TUNNEL_KEY)
return params->tcft_action == TCA_TUNNEL_KEY_ACT_RELEASE;
#endif
return false;
}
static inline struct ip_tunnel_info *tcf_tunnel_info(const struct tc_action *a)
{
#ifdef CONFIG_NET_CLS_ACT
struct tcf_tunnel_key *t = to_tunnel_key(a);
struct tcf_tunnel_key_params *params = rtnl_dereference(t->params);
return &params->tcft_enc_metadata->u.tun_info;
#else
return NULL;
#endif
}
#endif /* __NET_TC_TUNNEL_KEY_H */