1 /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */
2 /* Copyright (C) 2020 Facebook, Inc. */
3
4 #ifndef __TESTING_HELPERS_H
5 #define __TESTING_HELPERS_H
6
7 #include <stdbool.h>
8 #include <bpf/bpf.h>
9 #include <bpf/libbpf.h>
10 #include <time.h>
11
12 #define __TO_STR(x) #x
13 #define TO_STR(x) __TO_STR(x)
14
15 int parse_num_list(const char *s, bool **set, int *set_len);
16 __u32 link_info_prog_id(const struct bpf_link *link, struct bpf_link_info *info);
17 int bpf_prog_test_load(const char *file, enum bpf_prog_type type,
18 struct bpf_object **pobj, int *prog_fd);
19 int bpf_test_load_program(enum bpf_prog_type type, const struct bpf_insn *insns,
20 size_t insns_cnt, const char *license,
21 __u32 kern_version, char *log_buf,
22 size_t log_buf_sz);
23
24 /*
25 * below function is exported for testing in prog_test test
26 */
27 struct test_filter_set;
28 int parse_test_list(const char *s,
29 struct test_filter_set *test_set,
30 bool is_glob_pattern);
31 int parse_test_list_file(const char *path,
32 struct test_filter_set *test_set,
33 bool is_glob_pattern);
34
35 __u64 read_perf_max_sample_freq(void);
36 int load_bpf_testmod(bool verbose);
37 int unload_bpf_testmod(bool verbose);
38 int kern_sync_rcu(void);
39 int finit_module(int fd, const char *param_values, int flags);
40 int delete_module(const char *name, int flags);
41 int load_module(const char *path, bool verbose);
42 int unload_module(const char *name, bool verbose);
43
get_time_ns(void)44 static inline __u64 get_time_ns(void)
45 {
46 struct timespec t;
47
48 clock_gettime(CLOCK_MONOTONIC, &t);
49
50 return (u64)t.tv_sec * 1000000000 + t.tv_nsec;
51 }
52
53 struct bpf_insn;
54 /* Request BPF program instructions after all rewrites are applied,
55 * e.g. verifier.c:convert_ctx_access() is done.
56 */
57 int get_xlated_program(int fd_prog, struct bpf_insn **buf, __u32 *cnt);
58 int testing_prog_flags(void);
59 bool is_jit_enabled(void);
60
61 #endif /* __TESTING_HELPERS_H */
62