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Merge tag 'trace-printf-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/trace...
[drm/drm-misc.git] / tools / testing / selftests / bpf / test_progs.h
blob74de33ae37e56c90646cd1e0bb58ed7e3f345ec0
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __TEST_PROGS_H
3 #define __TEST_PROGS_H
4
5 #include <stdio.h>
6 #include <unistd.h>
7 #include <errno.h>
8 #include <string.h>
9 #include <assert.h>
10 #include <stdlib.h>
11 #include <stdarg.h>
12 #include <time.h>
13 #include <signal.h>
14
15 #include <linux/types.h>
16 typedef __u16 __sum16;
17 #include <arpa/inet.h>
18 #include <linux/if_ether.h>
19 #include <linux/if_packet.h>
20 #include <linux/ip.h>
21 #include <linux/ipv6.h>
22 #include <linux/filter.h>
23 #include <linux/perf_event.h>
24 #include <linux/socket.h>
25 #include <linux/unistd.h>
26
27 #include <sys/ioctl.h>
28 #include <sys/wait.h>
29 #include <sys/types.h>
30 #include <sys/time.h>
31 #include <sys/param.h>
32 #include <fcntl.h>
33 #include <pthread.h>
34 #include <linux/bpf.h>
35 #include <linux/err.h>
36 #include <bpf/bpf.h>
37 #include <bpf/libbpf.h>
38
39 #include "test_iptunnel_common.h"
40 #include "bpf_util.h"
41 #include <bpf/bpf_endian.h>
42 #include "trace_helpers.h"
43 #include "testing_helpers.h"
44
45 enum verbosity {
46 VERBOSE_NONE,
47 VERBOSE_NORMAL,
48 VERBOSE_VERY,
49 VERBOSE_SUPER,
50 };
51
52 struct test_filter {
53 char *name;
54 char **subtests;
55 int subtest_cnt;
56 };
57
58 struct test_filter_set {
59 struct test_filter *tests;
60 int cnt;
61 };
62
63 struct test_selector {
64 struct test_filter_set whitelist;
65 struct test_filter_set blacklist;
66 bool *num_set;
67 int num_set_len;
68 };
69
70 struct subtest_state {
71 char *name;
72 size_t log_cnt;
73 char *log_buf;
74 int error_cnt;
75 bool skipped;
76 bool filtered;
77 bool should_tmon;
78
79 FILE *stdout_saved;
80 };
81
82 struct test_state {
83 bool tested;
84 bool force_log;
85
86 int error_cnt;
87 int skip_cnt;
88 int sub_succ_cnt;
89
90 struct subtest_state *subtest_states;
91 int subtest_num;
92
93 size_t log_cnt;
94 char *log_buf;
95
96 FILE *stdout_saved;
97 };
98
99 extern int env_verbosity;
100
101 struct test_env {
102 struct test_selector test_selector;
103 struct test_selector subtest_selector;
104 struct test_selector tmon_selector;
105 bool verifier_stats;
106 bool debug;
107 enum verbosity verbosity;
108
109 bool jit_enabled;
110 bool has_testmod;
111 bool get_test_cnt;
112 bool list_test_names;
113
114 struct prog_test_def *test; /* current running test */
115 struct test_state *test_state; /* current running test state */
116 struct subtest_state *subtest_state; /* current running subtest state */
117
118 FILE *stdout_saved;
119 FILE *stderr_saved;
120 int nr_cpus;
121 FILE *json;
122
123 int succ_cnt; /* successful tests */
124 int sub_succ_cnt; /* successful sub-tests */
125 int fail_cnt; /* total failed tests + sub-tests */
126 int skip_cnt; /* skipped tests */
127
128 int saved_netns_fd;
129 int workers; /* number of worker process */
130 int worker_id; /* id number of current worker, main process is -1 */
131 pid_t *worker_pids; /* array of worker pids */
132 int *worker_socks; /* array of worker socks */
133 int *worker_current_test; /* array of current running test for each worker */
134
135 pthread_t main_thread;
136 int secs_till_notify;
137 int secs_till_kill;
138 timer_t watchdog; /* watch for stalled tests/subtests */
139 enum { WD_NOTIFY, WD_KILL } watchdog_state;
140 };
141
142 #define MAX_LOG_TRUNK_SIZE 8192
143 #define MAX_SUBTEST_NAME 1024
144 enum msg_type {
145 MSG_DO_TEST = 0,
146 MSG_TEST_DONE = 1,
147 MSG_TEST_LOG = 2,
148 MSG_SUBTEST_DONE = 3,
149 MSG_EXIT = 255,
150 };
151 struct msg {
152 enum msg_type type;
153 union {
154 struct {
155 int num;
156 } do_test;
157 struct {
158 int num;
159 int sub_succ_cnt;
160 int error_cnt;
161 int skip_cnt;
162 bool have_log;
163 int subtest_num;
164 } test_done;
165 struct {
166 char log_buf[MAX_LOG_TRUNK_SIZE + 1];
167 bool is_last;
168 } test_log;
169 struct {
170 int num;
171 char name[MAX_SUBTEST_NAME + 1];
172 int error_cnt;
173 bool skipped;
174 bool filtered;
175 bool have_log;
176 } subtest_done;
177 };
178 };
179
180 extern struct test_env env;
181
182 void test__force_log(void);
183 bool test__start_subtest(const char *name);
184 void test__end_subtest(void);
185 void test__skip(void);
186 void test__fail(void);
187 int test__join_cgroup(const char *path);
188
189 #define PRINT_FAIL(format...) \
190 ({ \
191 test__fail(); \
192 fprintf(stdout, "%s:FAIL:%d ", __func__, __LINE__); \
193 fprintf(stdout, ##format); \
194 })
195
196 #define _CHECK(condition, tag, duration, format...) ({ \
197 int __ret = !!(condition); \
198 int __save_errno = errno; \
199 if (__ret) { \
200 test__fail(); \
201 fprintf(stdout, "%s:FAIL:%s ", __func__, tag); \
202 fprintf(stdout, ##format); \
203 } else { \
204 fprintf(stdout, "%s:PASS:%s %d nsec\n", \
205 __func__, tag, duration); \
206 } \
207 errno = __save_errno; \
208 __ret; \
209 })
210
211 #define CHECK_FAIL(condition) ({ \
212 int __ret = !!(condition); \
213 int __save_errno = errno; \
214 if (__ret) { \
215 test__fail(); \
216 fprintf(stdout, "%s:FAIL:%d\n", __func__, __LINE__); \
217 } \
218 errno = __save_errno; \
219 __ret; \
220 })
221
222 #define CHECK(condition, tag, format...) \
223 _CHECK(condition, tag, duration, format)
224 #define CHECK_ATTR(condition, tag, format...) \
225 _CHECK(condition, tag, tattr.duration, format)
226
227 #define ASSERT_FAIL(fmt, args...) ({ \
228 static int duration = 0; \
229 CHECK(false, "", fmt"\n", ##args); \
230 false; \
231 })
232
233 #define ASSERT_TRUE(actual, name) ({ \
234 static int duration = 0; \
235 bool ___ok = (actual); \
236 CHECK(!___ok, (name), "unexpected %s: got FALSE\n", (name)); \
237 ___ok; \
238 })
239
240 #define ASSERT_FALSE(actual, name) ({ \
241 static int duration = 0; \
242 bool ___ok = !(actual); \
243 CHECK(!___ok, (name), "unexpected %s: got TRUE\n", (name)); \
244 ___ok; \
245 })
246
247 #define ASSERT_EQ(actual, expected, name) ({ \
248 static int duration = 0; \
249 typeof(actual) ___act = (actual); \
250 typeof(expected) ___exp = (expected); \
251 bool ___ok = ___act == ___exp; \
252 CHECK(!___ok, (name), \
253 "unexpected %s: actual %lld != expected %lld\n", \
254 (name), (long long)(___act), (long long)(___exp)); \
255 ___ok; \
256 })
257
258 #define ASSERT_NEQ(actual, expected, name) ({ \
259 static int duration = 0; \
260 typeof(actual) ___act = (actual); \
261 typeof(expected) ___exp = (expected); \
262 bool ___ok = ___act != ___exp; \
263 CHECK(!___ok, (name), \
264 "unexpected %s: actual %lld == expected %lld\n", \
265 (name), (long long)(___act), (long long)(___exp)); \
266 ___ok; \
267 })
268
269 #define ASSERT_LT(actual, expected, name) ({ \
270 static int duration = 0; \
271 typeof(actual) ___act = (actual); \
272 typeof(expected) ___exp = (expected); \
273 bool ___ok = ___act < ___exp; \
274 CHECK(!___ok, (name), \
275 "unexpected %s: actual %lld >= expected %lld\n", \
276 (name), (long long)(___act), (long long)(___exp)); \
277 ___ok; \
278 })
279
280 #define ASSERT_LE(actual, expected, name) ({ \
281 static int duration = 0; \
282 typeof(actual) ___act = (actual); \
283 typeof(expected) ___exp = (expected); \
284 bool ___ok = ___act <= ___exp; \
285 CHECK(!___ok, (name), \
286 "unexpected %s: actual %lld > expected %lld\n", \
287 (name), (long long)(___act), (long long)(___exp)); \
288 ___ok; \
289 })
290
291 #define ASSERT_GT(actual, expected, name) ({ \
292 static int duration = 0; \
293 typeof(actual) ___act = (actual); \
294 typeof(expected) ___exp = (expected); \
295 bool ___ok = ___act > ___exp; \
296 CHECK(!___ok, (name), \
297 "unexpected %s: actual %lld <= expected %lld\n", \
298 (name), (long long)(___act), (long long)(___exp)); \
299 ___ok; \
300 })
301
302 #define ASSERT_GE(actual, expected, name) ({ \
303 static int duration = 0; \
304 typeof(actual) ___act = (actual); \
305 typeof(expected) ___exp = (expected); \
306 bool ___ok = ___act >= ___exp; \
307 CHECK(!___ok, (name), \
308 "unexpected %s: actual %lld < expected %lld\n", \
309 (name), (long long)(___act), (long long)(___exp)); \
310 ___ok; \
311 })
312
313 #define ASSERT_STREQ(actual, expected, name) ({ \
314 static int duration = 0; \
315 const char *___act = actual; \
316 const char *___exp = expected; \
317 bool ___ok = strcmp(___act, ___exp) == 0; \
318 CHECK(!___ok, (name), \
319 "unexpected %s: actual '%s' != expected '%s'\n", \
320 (name), ___act, ___exp); \
321 ___ok; \
322 })
323
324 #define ASSERT_STRNEQ(actual, expected, len, name) ({ \
325 static int duration = 0; \
326 const char *___act = actual; \
327 const char *___exp = expected; \
328 int ___len = len; \
329 bool ___ok = strncmp(___act, ___exp, ___len) == 0; \
330 CHECK(!___ok, (name), \
331 "unexpected %s: actual '%.*s' != expected '%.*s'\n", \
332 (name), ___len, ___act, ___len, ___exp); \
333 ___ok; \
334 })
335
336 #define ASSERT_HAS_SUBSTR(str, substr, name) ({ \
337 static int duration = 0; \
338 const char *___str = str; \
339 const char *___substr = substr; \
340 bool ___ok = strstr(___str, ___substr) != NULL; \
341 CHECK(!___ok, (name), \
342 "unexpected %s: '%s' is not a substring of '%s'\n", \
343 (name), ___substr, ___str); \
344 ___ok; \
345 })
346
347 #define ASSERT_OK(res, name) ({ \
348 static int duration = 0; \
349 long long ___res = (res); \
350 bool ___ok = ___res == 0; \
351 CHECK(!___ok, (name), "unexpected error: %lld (errno %d)\n", \
352 ___res, errno); \
353 ___ok; \
354 })
355
356 #define ASSERT_ERR(res, name) ({ \
357 static int duration = 0; \
358 long long ___res = (res); \
359 bool ___ok = ___res < 0; \
360 CHECK(!___ok, (name), "unexpected success: %lld\n", ___res); \
361 ___ok; \
362 })
363
364 #define ASSERT_NULL(ptr, name) ({ \
365 static int duration = 0; \
366 const void *___res = (ptr); \
367 bool ___ok = !___res; \
368 CHECK(!___ok, (name), "unexpected pointer: %p\n", ___res); \
369 ___ok; \
370 })
371
372 #define ASSERT_OK_PTR(ptr, name) ({ \
373 static int duration = 0; \
374 const void *___res = (ptr); \
375 int ___err = libbpf_get_error(___res); \
376 bool ___ok = ___err == 0; \
377 CHECK(!___ok, (name), "unexpected error: %d\n", ___err); \
378 ___ok; \
379 })
380
381 #define ASSERT_ERR_PTR(ptr, name) ({ \
382 static int duration = 0; \
383 const void *___res = (ptr); \
384 int ___err = libbpf_get_error(___res); \
385 bool ___ok = ___err != 0; \
386 CHECK(!___ok, (name), "unexpected pointer: %p\n", ___res); \
387 ___ok; \
388 })
389
390 #define ASSERT_OK_FD(fd, name) ({ \
391 static int duration = 0; \
392 int ___fd = (fd); \
393 bool ___ok = ___fd >= 0; \
394 CHECK(!___ok, (name), "unexpected fd: %d (errno %d)\n", \
395 ___fd, errno); \
396 ___ok; \
397 })
398
399 #define ASSERT_ERR_FD(fd, name) ({ \
400 static int duration = 0; \
401 int ___fd = (fd); \
402 bool ___ok = ___fd < 0; \
403 CHECK(!___ok, (name), "unexpected fd: %d\n", ___fd); \
404 ___ok; \
405 })
406
407 #define SYS(goto_label, fmt, ...) \
408 ({ \
409 char cmd[1024]; \
410 snprintf(cmd, sizeof(cmd), fmt, ##__VA_ARGS__); \
411 if (!ASSERT_OK(system(cmd), cmd)) \
412 goto goto_label; \
413 })
414
415 #define ALL_TO_DEV_NULL " >/dev/null 2>&1"
416
417 #define SYS_NOFAIL(fmt, ...) \
418 ({ \
419 char cmd[1024]; \
420 int n; \
421 n = snprintf(cmd, sizeof(cmd), fmt, ##__VA_ARGS__); \
422 if (n < sizeof(cmd) && sizeof(cmd) - n >= sizeof(ALL_TO_DEV_NULL)) \
423 strcat(cmd, ALL_TO_DEV_NULL); \
424 system(cmd); \
425 })
426
427 int start_libbpf_log_capture(void);
428 char *stop_libbpf_log_capture(void);
429
430 static inline __u64 ptr_to_u64(const void *ptr)
431 {
432 return (__u64) (unsigned long) ptr;
433 }
434
435 static inline void *u64_to_ptr(__u64 ptr)
436 {
437 return (void *) (unsigned long) ptr;
438 }
439
440 int bpf_find_map(const char *test, struct bpf_object *obj, const char *name);
441 int compare_map_keys(int map1_fd, int map2_fd);
442 int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len);
443 int trigger_module_test_read(int read_sz);
444 int trigger_module_test_write(int write_sz);
445 int write_sysctl(const char *sysctl, const char *value);
446 int get_bpf_max_tramp_links_from(struct btf *btf);
447 int get_bpf_max_tramp_links(void);
448
449 struct netns_obj;
450 struct netns_obj *netns_new(const char *name, bool open);
451 void netns_free(struct netns_obj *netns);
452
453 #ifdef __x86_64__
454 #define SYS_NANOSLEEP_KPROBE_NAME "__x64_sys_nanosleep"
455 #elif defined(__s390x__)
456 #define SYS_NANOSLEEP_KPROBE_NAME "__s390x_sys_nanosleep"
457 #elif defined(__aarch64__)
458 #define SYS_NANOSLEEP_KPROBE_NAME "__arm64_sys_nanosleep"
459 #elif defined(__riscv)
460 #define SYS_NANOSLEEP_KPROBE_NAME "__riscv_sys_nanosleep"
461 #else
462 #define SYS_NANOSLEEP_KPROBE_NAME "sys_nanosleep"
463 #endif
464
465 #define BPF_TESTMOD_TEST_FILE "/sys/kernel/bpf_testmod"
466
467 typedef int (*pre_execution_cb)(struct bpf_object *obj);
468
469 struct test_loader {
470 char *log_buf;
471 size_t log_buf_sz;
472 pre_execution_cb pre_execution_cb;
473
474 struct bpf_object *obj;
475 };
476
477 static inline void test_loader__set_pre_execution_cb(struct test_loader *tester,
478 pre_execution_cb cb)
479 {
480 tester->pre_execution_cb = cb;
481 }
482
483 typedef const void *(*skel_elf_bytes_fn)(size_t *sz);
484
485 extern void test_loader__run_subtests(struct test_loader *tester,
486 const char *skel_name,
487 skel_elf_bytes_fn elf_bytes_factory);
488
489 extern void test_loader_fini(struct test_loader *tester);
490
491 #define RUN_TESTS(skel) ({ \
492 struct test_loader tester = {}; \
493 \
494 test_loader__run_subtests(&tester, #skel, skel##__elf_bytes); \
495 test_loader_fini(&tester); \
496 })
497
498 #endif /* __TEST_PROGS_H */
Kernel DRM miscellaneous fixes and cross-tree changes