1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _NF_CONNTRACK_BPF_H
#define _NF_CONNTRACK_BPF_H
#include <linux/bpf.h>
#include <linux/btf.h>
#include <linux/kconfig.h>
#include <linux/mutex.h>
#if (IS_BUILTIN(CONFIG_NF_CONNTRACK) && IS_ENABLED(CONFIG_DEBUG_INFO_BTF)) || \
(IS_MODULE(CONFIG_NF_CONNTRACK) && IS_ENABLED(CONFIG_DEBUG_INFO_BTF_MODULES))
extern int register_nf_conntrack_bpf(void);
extern void cleanup_nf_conntrack_bpf(void);
extern struct mutex nf_conn_btf_access_lock;
extern int (*nfct_bsa)(struct bpf_verifier_log *log, const struct btf *btf,
const struct btf_type *t, int off, int size,
enum bpf_access_type atype, u32 *next_btf_id,
enum bpf_type_flag *flag);
#else
static inline int register_nf_conntrack_bpf(void)
{
return 0;
}
static inline void cleanup_nf_conntrack_bpf(void)
{
}
static inline int nf_conntrack_btf_struct_access(struct bpf_verifier_log *log,
const struct btf *btf,
const struct btf_type *t, int off,
int size, enum bpf_access_type atype,
u32 *next_btf_id,
enum bpf_type_flag *flag)
{
return -EACCES;
}
#endif
#endif /* _NF_CONNTRACK_BPF_H */
|
