tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#include <stdio.h>
3#include <unistd.h>
4#include <errno.h>
5#include <string.h>
6#include <assert.h>
7#include <stdlib.h>
8#include <stdarg.h>
9#include <time.h>
10#include <signal.h>
11
12#include <linux/types.h>
13typedef __u16 __sum16;
14#include <arpa/inet.h>
15#include <linux/if_ether.h>
16#include <linux/if_packet.h>
17#include <linux/ip.h>
18#include <linux/ipv6.h>
19#include <netinet/tcp.h>
20#include <linux/filter.h>
21#include <linux/perf_event.h>
22#include <linux/socket.h>
23#include <linux/unistd.h>
24
25#include <sys/ioctl.h>
26#include <sys/wait.h>
27#include <sys/types.h>
28#include <sys/time.h>
29#include <fcntl.h>
30#include <pthread.h>
31#include <linux/bpf.h>
32#include <linux/err.h>
33#include <bpf/bpf.h>
34#include <bpf/libbpf.h>
35
36#include "test_iptunnel_common.h"
37#include "bpf_util.h"
38#include <bpf/bpf_endian.h>
39#include "trace_helpers.h"
40#include "testing_helpers.h"
41#include "flow_dissector_load.h"
42
43enum verbosity {
44 VERBOSE_NONE,
45 VERBOSE_NORMAL,
46 VERBOSE_VERY,
47 VERBOSE_SUPER,
48};
49
50struct str_set {
51 const char **strs;
52 int cnt;
53};
54
55struct test_selector {
56 struct str_set whitelist;
57 struct str_set blacklist;
58 bool *num_set;
59 int num_set_len;
60};
61
62struct test_env {
63 struct test_selector test_selector;
64 struct test_selector subtest_selector;
65 bool verifier_stats;
66 enum verbosity verbosity;
67
68 bool jit_enabled;
69 bool get_test_cnt;
70 bool list_test_names;
71
72 struct prog_test_def *test;
73 FILE *stdout;
74 FILE *stderr;
75 char *log_buf;
76 size_t log_cnt;
77 int nr_cpus;
78
79 int succ_cnt; /* successful tests */
80 int sub_succ_cnt; /* successful sub-tests */
81 int fail_cnt; /* total failed tests + sub-tests */
82 int skip_cnt; /* skipped tests */
83
84 int saved_netns_fd;
85};
86
87extern struct test_env env;
88
89extern void test__force_log();
90extern bool test__start_subtest(const char *name);
91extern void test__skip(void);
92extern void test__fail(void);
93extern int test__join_cgroup(const char *path);
94
95#define PRINT_FAIL(format...) \
96 ({ \
97 test__fail(); \
98 fprintf(stdout, "%s:FAIL:%d ", __func__, __LINE__); \
99 fprintf(stdout, ##format); \
100 })
101
102#define _CHECK(condition, tag, duration, format...) ({ \
103 int __ret = !!(condition); \
104 int __save_errno = errno; \
105 if (__ret) { \
106 test__fail(); \
107 fprintf(stdout, "%s:FAIL:%s ", __func__, tag); \
108 fprintf(stdout, ##format); \
109 } else { \
110 fprintf(stdout, "%s:PASS:%s %d nsec\n", \
111 __func__, tag, duration); \
112 } \
113 errno = __save_errno; \
114 __ret; \
115})
116
117#define CHECK_FAIL(condition) ({ \
118 int __ret = !!(condition); \
119 int __save_errno = errno; \
120 if (__ret) { \
121 test__fail(); \
122 fprintf(stdout, "%s:FAIL:%d\n", __func__, __LINE__); \
123 } \
124 errno = __save_errno; \
125 __ret; \
126})
127
128#define CHECK(condition, tag, format...) \
129 _CHECK(condition, tag, duration, format)
130#define CHECK_ATTR(condition, tag, format...) \
131 _CHECK(condition, tag, tattr.duration, format)
132
133static inline __u64 ptr_to_u64(const void *ptr)
134{
135 return (__u64) (unsigned long) ptr;
136}
137
138static inline void *u64_to_ptr(__u64 ptr)
139{
140 return (void *) (unsigned long) ptr;
141}
142
143int bpf_find_map(const char *test, struct bpf_object *obj, const char *name);
144int compare_map_keys(int map1_fd, int map2_fd);
145int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len);
146int extract_build_id(char *build_id, size_t size);
147
148#ifdef __x86_64__
149#define SYS_NANOSLEEP_KPROBE_NAME "__x64_sys_nanosleep"
150#elif defined(__s390x__)
151#define SYS_NANOSLEEP_KPROBE_NAME "__s390x_sys_nanosleep"
152#else
153#define SYS_NANOSLEEP_KPROBE_NAME "sys_nanosleep"
154#endif