summaryrefslogtreecommitdiff
path: root/tools/testing/selftests/bpf/test_progs.h
blob: b090996daee5ca7071f7cd4466801d9e1d36e734 (plain)
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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
/* SPDX-License-Identifier: GPL-2.0 */
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <stdarg.h>
#include <time.h>
#include <signal.h>

#include <linux/types.h>
typedef __u16 __sum16;
#include <arpa/inet.h>
#include <linux/if_ether.h>
#include <linux/if_packet.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/filter.h>
#include <linux/perf_event.h>
#include <linux/socket.h>
#include <linux/unistd.h>

#include <sys/ioctl.h>
#include <sys/wait.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/param.h>
#include <fcntl.h>
#include <pthread.h>
#include <linux/bpf.h>
#include <linux/err.h>
#include <bpf/bpf.h>
#include <bpf/libbpf.h>

#include "test_iptunnel_common.h"
#include "bpf_util.h"
#include <bpf/bpf_endian.h>
#include "trace_helpers.h"
#include "testing_helpers.h"

enum verbosity {
	VERBOSE_NONE,
	VERBOSE_NORMAL,
	VERBOSE_VERY,
	VERBOSE_SUPER,
};

struct test_filter {
	char *name;
	char **subtests;
	int subtest_cnt;
};

struct test_filter_set {
	struct test_filter *tests;
	int cnt;
};

struct test_selector {
	struct test_filter_set whitelist;
	struct test_filter_set blacklist;
	bool *num_set;
	int num_set_len;
};

struct subtest_state {
	char *name;
	size_t log_cnt;
	char *log_buf;
	int error_cnt;
	bool skipped;
	bool filtered;

	FILE *stdout;
};

struct test_state {
	bool tested;
	bool force_log;

	int error_cnt;
	int skip_cnt;
	int sub_succ_cnt;

	struct subtest_state *subtest_states;
	int subtest_num;

	size_t log_cnt;
	char *log_buf;

	FILE *stdout;
};

struct test_env {
	struct test_selector test_selector;
	struct test_selector subtest_selector;
	bool verifier_stats;
	bool debug;
	enum verbosity verbosity;

	bool jit_enabled;
	bool has_testmod;
	bool get_test_cnt;
	bool list_test_names;

	struct prog_test_def *test; /* current running test */
	struct test_state *test_state; /* current running test state */
	struct subtest_state *subtest_state; /* current running subtest state */

	FILE *stdout;
	FILE *stderr;
	int nr_cpus;

	int succ_cnt; /* successful tests */
	int sub_succ_cnt; /* successful sub-tests */
	int fail_cnt; /* total failed tests + sub-tests */
	int skip_cnt; /* skipped tests */

	int saved_netns_fd;
	int workers; /* number of worker process */
	int worker_id; /* id number of current worker, main process is -1 */
	pid_t *worker_pids; /* array of worker pids */
	int *worker_socks; /* array of worker socks */
	int *worker_current_test; /* array of current running test for each worker */
};

#define MAX_LOG_TRUNK_SIZE 8192
#define MAX_SUBTEST_NAME 1024
enum msg_type {
	MSG_DO_TEST = 0,
	MSG_TEST_DONE = 1,
	MSG_TEST_LOG = 2,
	MSG_SUBTEST_DONE = 3,
	MSG_EXIT = 255,
};
struct msg {
	enum msg_type type;
	union {
		struct {
			int num;
		} do_test;
		struct {
			int num;
			int sub_succ_cnt;
			int error_cnt;
			int skip_cnt;
			bool have_log;
			int subtest_num;
		} test_done;
		struct {
			char log_buf[MAX_LOG_TRUNK_SIZE + 1];
			bool is_last;
		} test_log;
		struct {
			int num;
			char name[MAX_SUBTEST_NAME + 1];
			int error_cnt;
			bool skipped;
			bool filtered;
			bool have_log;
		} subtest_done;
	};
};

extern struct test_env env;

void test__force_log(void);
bool test__start_subtest(const char *name);
void test__end_subtest(void);
void test__skip(void);
void test__fail(void);
int test__join_cgroup(const char *path);

#define PRINT_FAIL(format...)                                                  \
	({                                                                     \
		test__fail();                                                  \
		fprintf(stdout, "%s:FAIL:%d ", __func__, __LINE__);            \
		fprintf(stdout, ##format);                                     \
	})

#define _CHECK(condition, tag, duration, format...) ({			\
	int __ret = !!(condition);					\
	int __save_errno = errno;					\
	if (__ret) {							\
		test__fail();						\
		fprintf(stdout, "%s:FAIL:%s ", __func__, tag);		\
		fprintf(stdout, ##format);				\
	} else {							\
		fprintf(stdout, "%s:PASS:%s %d nsec\n",			\
		       __func__, tag, duration);			\
	}								\
	errno = __save_errno;						\
	__ret;								\
})

#define CHECK_FAIL(condition) ({					\
	int __ret = !!(condition);					\
	int __save_errno = errno;					\
	if (__ret) {							\
		test__fail();						\
		fprintf(stdout, "%s:FAIL:%d\n", __func__, __LINE__);	\
	}								\
	errno = __save_errno;						\
	__ret;								\
})

#define CHECK(condition, tag, format...) \
	_CHECK(condition, tag, duration, format)
#define CHECK_ATTR(condition, tag, format...) \
	_CHECK(condition, tag, tattr.duration, format)

#define ASSERT_TRUE(actual, name) ({					\
	static int duration = 0;					\
	bool ___ok = (actual);						\
	CHECK(!___ok, (name), "unexpected %s: got FALSE\n", (name));	\
	___ok;								\
})

#define ASSERT_FALSE(actual, name) ({					\
	static int duration = 0;					\
	bool ___ok = !(actual);						\
	CHECK(!___ok, (name), "unexpected %s: got TRUE\n", (name));	\
	___ok;								\
})

#define ASSERT_EQ(actual, expected, name) ({				\
	static int duration = 0;					\
	typeof(actual) ___act = (actual);				\
	typeof(expected) ___exp = (expected);				\
	bool ___ok = ___act == ___exp;					\
	CHECK(!___ok, (name),						\
	      "unexpected %s: actual %lld != expected %lld\n",		\
	      (name), (long long)(___act), (long long)(___exp));	\
	___ok;								\
})

#define ASSERT_NEQ(actual, expected, name) ({				\
	static int duration = 0;					\
	typeof(actual) ___act = (actual);				\
	typeof(expected) ___exp = (expected);				\
	bool ___ok = ___act != ___exp;					\
	CHECK(!___ok, (name),						\
	      "unexpected %s: actual %lld == expected %lld\n",		\
	      (name), (long long)(___act), (long long)(___exp));	\
	___ok;								\
})

#define ASSERT_LT(actual, expected, name) ({				\
	static int duration = 0;					\
	typeof(actual) ___act = (actual);				\
	typeof(expected) ___exp = (expected);				\
	bool ___ok = ___act < ___exp;					\
	CHECK(!___ok, (name),						\
	      "unexpected %s: actual %lld >= expected %lld\n",		\
	      (name), (long long)(___act), (long long)(___exp));	\
	___ok;								\
})

#define ASSERT_LE(actual, expected, name) ({				\
	static int duration = 0;					\
	typeof(actual) ___act = (actual);				\
	typeof(expected) ___exp = (expected);				\
	bool ___ok = ___act <= ___exp;					\
	CHECK(!___ok, (name),						\
	      "unexpected %s: actual %lld > expected %lld\n",		\
	      (name), (long long)(___act), (long long)(___exp));	\
	___ok;								\
})

#define ASSERT_GT(actual, expected, name) ({				\
	static int duration = 0;					\
	typeof(actual) ___act = (actual);				\
	typeof(expected) ___exp = (expected);				\
	bool ___ok = ___act > ___exp;					\
	CHECK(!___ok, (name),						\
	      "unexpected %s: actual %lld <= expected %lld\n",		\
	      (name), (long long)(___act), (long long)(___exp));	\
	___ok;								\
})

#define ASSERT_GE(actual, expected, name) ({				\
	static int duration = 0;					\
	typeof(actual) ___act = (actual);				\
	typeof(expected) ___exp = (expected);				\
	bool ___ok = ___act >= ___exp;					\
	CHECK(!___ok, (name),						\
	      "unexpected %s: actual %lld < expected %lld\n",		\
	      (name), (long long)(___act), (long long)(___exp));	\
	___ok;								\
})

#define ASSERT_STREQ(actual, expected, name) ({				\
	static int duration = 0;					\
	const char *___act = actual;					\
	const char *___exp = expected;					\
	bool ___ok = strcmp(___act, ___exp) == 0;			\
	CHECK(!___ok, (name),						\
	      "unexpected %s: actual '%s' != expected '%s'\n",		\
	      (name), ___act, ___exp);					\
	___ok;								\
})

#define ASSERT_STRNEQ(actual, expected, len, name) ({			\
	static int duration = 0;					\
	const char *___act = actual;					\
	const char *___exp = expected;					\
	int ___len = len;						\
	bool ___ok = strncmp(___act, ___exp, ___len) == 0;		\
	CHECK(!___ok, (name),						\
	      "unexpected %s: actual '%.*s' != expected '%.*s'\n",	\
	      (name), ___len, ___act, ___len, ___exp);			\
	___ok;								\
})

#define ASSERT_HAS_SUBSTR(str, substr, name) ({				\
	static int duration = 0;					\
	const char *___str = str;					\
	const char *___substr = substr;					\
	bool ___ok = strstr(___str, ___substr) != NULL;			\
	CHECK(!___ok, (name),						\
	      "unexpected %s: '%s' is not a substring of '%s'\n",	\
	      (name), ___substr, ___str);				\
	___ok;								\
})

#define ASSERT_OK(res, name) ({						\
	static int duration = 0;					\
	long long ___res = (res);					\
	bool ___ok = ___res == 0;					\
	CHECK(!___ok, (name), "unexpected error: %lld (errno %d)\n",	\
	      ___res, errno);						\
	___ok;								\
})

#define ASSERT_ERR(res, name) ({					\
	static int duration = 0;					\
	long long ___res = (res);					\
	bool ___ok = ___res < 0;					\
	CHECK(!___ok, (name), "unexpected success: %lld\n", ___res);	\
	___ok;								\
})

#define ASSERT_NULL(ptr, name) ({					\
	static int duration = 0;					\
	const void *___res = (ptr);					\
	bool ___ok = !___res;						\
	CHECK(!___ok, (name), "unexpected pointer: %p\n", ___res);	\
	___ok;								\
})

#define ASSERT_OK_PTR(ptr, name) ({					\
	static int duration = 0;					\
	const void *___res = (ptr);					\
	int ___err = libbpf_get_error(___res);				\
	bool ___ok = ___err == 0;					\
	CHECK(!___ok, (name), "unexpected error: %d\n", ___err);	\
	___ok;								\
})

#define ASSERT_ERR_PTR(ptr, name) ({					\
	static int duration = 0;					\
	const void *___res = (ptr);					\
	int ___err = libbpf_get_error(___res);				\
	bool ___ok = ___err != 0;					\
	CHECK(!___ok, (name), "unexpected pointer: %p\n", ___res);	\
	___ok;								\
})

static inline __u64 ptr_to_u64(const void *ptr)
{
	return (__u64) (unsigned long) ptr;
}

static inline void *u64_to_ptr(__u64 ptr)
{
	return (void *) (unsigned long) ptr;
}

int bpf_find_map(const char *test, struct bpf_object *obj, const char *name);
int compare_map_keys(int map1_fd, int map2_fd);
int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len);
int extract_build_id(char *build_id, size_t size);
int kern_sync_rcu(void);
int trigger_module_test_read(int read_sz);
int trigger_module_test_write(int write_sz);
int write_sysctl(const char *sysctl, const char *value);

#ifdef __x86_64__
#define SYS_NANOSLEEP_KPROBE_NAME "__x64_sys_nanosleep"
#elif defined(__s390x__)
#define SYS_NANOSLEEP_KPROBE_NAME "__s390x_sys_nanosleep"
#elif defined(__aarch64__)
#define SYS_NANOSLEEP_KPROBE_NAME "__arm64_sys_nanosleep"
#else
#define SYS_NANOSLEEP_KPROBE_NAME "sys_nanosleep"
#endif

#define BPF_TESTMOD_TEST_FILE "/sys/kernel/bpf_testmod"