mirror of https://gitee.com/openkylin/linux.git
80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Copyright (c) 2016, Amir Vadai <amir@vadai.me>
|
|
* Copyright (c) 2016, Mellanox Technologies. All rights reserved.
|
|
*/
|
|
|
|
#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 ¶ms->tcft_enc_metadata->u.tun_info;
|
|
#else
|
|
return NULL;
|
|
#endif
|
|
}
|
|
|
|
static inline struct ip_tunnel_info *
|
|
tcf_tunnel_info_copy(const struct tc_action *a)
|
|
{
|
|
#ifdef CONFIG_NET_CLS_ACT
|
|
struct ip_tunnel_info *tun = tcf_tunnel_info(a);
|
|
|
|
if (tun) {
|
|
size_t tun_size = sizeof(*tun) + tun->options_len;
|
|
struct ip_tunnel_info *tun_copy = kmemdup(tun, tun_size,
|
|
GFP_KERNEL);
|
|
|
|
return tun_copy;
|
|
}
|
|
#endif
|
|
return NULL;
|
|
}
|
|
#endif /* __NET_TC_TUNNEL_KEY_H */
|