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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __NET_TC_CT_H
3#define __NET_TC_CT_H
4
5#include <net/act_api.h>
6#include <uapi/linux/tc_act/tc_ct.h>
7
8#if IS_ENABLED(CONFIG_NF_CONNTRACK)
9#include <net/netfilter/nf_nat.h>
10#include <net/netfilter/nf_conntrack_labels.h>
11
12struct tcf_ct_params {
13 struct nf_conn *tmpl;
14 u16 zone;
15
16 u32 mark;
17 u32 mark_mask;
18
19 u32 labels[NF_CT_LABELS_MAX_SIZE / sizeof(u32)];
20 u32 labels_mask[NF_CT_LABELS_MAX_SIZE / sizeof(u32)];
21
22 struct nf_nat_range2 range;
23 bool ipv4_range;
24
25 u16 ct_action;
26
27 struct rcu_head rcu;
28};
29
30struct tcf_ct {
31 struct tc_action common;
32 struct tcf_ct_params __rcu *params;
33};
34
35#define to_ct(a) ((struct tcf_ct *)a)
36#define to_ct_params(a) ((struct tcf_ct_params *) \
37 rtnl_dereference((to_ct(a)->params)))
38
39static inline uint16_t tcf_ct_zone(const struct tc_action *a)
40{
41 return to_ct_params(a)->zone;
42}
43
44static inline int tcf_ct_action(const struct tc_action *a)
45{
46 return to_ct_params(a)->ct_action;
47}
48
49#else
50static inline uint16_t tcf_ct_zone(const struct tc_action *a) { return 0; }
51static inline int tcf_ct_action(const struct tc_action *a) { return 0; }
52#endif /* CONFIG_NF_CONNTRACK */
53
54static inline bool is_tcf_ct(const struct tc_action *a)
55{
56#if defined(CONFIG_NET_CLS_ACT) && IS_ENABLED(CONFIG_NF_CONNTRACK)
57 if (a->ops && a->ops->id == TCA_ID_CT)
58 return true;
59#endif
60 return false;
61}
62
63#endif /* __NET_TC_CT_H */