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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 | /* SPDX-License-Identifier: GPL-2.0 */ #ifndef __TEST_PROGS_H #define __TEST_PROGS_H #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; FILE *json; 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_FAIL(fmt, args...) ({ \ static int duration = 0; \ CHECK(false, "", fmt"\n", ##args); \ false; \ }) #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; \ }) #define ASSERT_OK_FD(fd, name) ({ \ static int duration = 0; \ int ___fd = (fd); \ bool ___ok = ___fd >= 0; \ CHECK(!___ok, (name), "unexpected fd: %d (errno %d)\n", \ ___fd, errno); \ ___ok; \ }) #define SYS(goto_label, fmt, ...) \ ({ \ char cmd[1024]; \ snprintf(cmd, sizeof(cmd), fmt, ##__VA_ARGS__); \ if (!ASSERT_OK(system(cmd), cmd)) \ goto goto_label; \ }) #define ALL_TO_DEV_NULL " >/dev/null 2>&1" #define SYS_NOFAIL(fmt, ...) \ ({ \ char cmd[1024]; \ int n; \ n = snprintf(cmd, sizeof(cmd), fmt, ##__VA_ARGS__); \ if (n < sizeof(cmd) && sizeof(cmd) - n >= sizeof(ALL_TO_DEV_NULL)) \ strcat(cmd, ALL_TO_DEV_NULL); \ system(cmd); \ }) int start_libbpf_log_capture(void); char *stop_libbpf_log_capture(void); 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 trigger_module_test_read(int read_sz); int trigger_module_test_write(int write_sz); int write_sysctl(const char *sysctl, const char *value); int get_bpf_max_tramp_links_from(struct btf *btf); int get_bpf_max_tramp_links(void); #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" #elif defined(__riscv) #define SYS_NANOSLEEP_KPROBE_NAME "__riscv_sys_nanosleep" #else #define SYS_NANOSLEEP_KPROBE_NAME "sys_nanosleep" #endif #define BPF_TESTMOD_TEST_FILE "/sys/kernel/bpf_testmod" typedef int (*pre_execution_cb)(struct bpf_object *obj); struct test_loader { char *log_buf; size_t log_buf_sz; size_t next_match_pos; pre_execution_cb pre_execution_cb; struct bpf_object *obj; }; static inline void test_loader__set_pre_execution_cb(struct test_loader *tester, pre_execution_cb cb) { tester->pre_execution_cb = cb; } typedef const void *(*skel_elf_bytes_fn)(size_t *sz); extern void test_loader__run_subtests(struct test_loader *tester, const char *skel_name, skel_elf_bytes_fn elf_bytes_factory); extern void test_loader_fini(struct test_loader *tester); #define RUN_TESTS(skel) ({ \ struct test_loader tester = {}; \ \ test_loader__run_subtests(&tester, #skel, skel##__elf_bytes); \ test_loader_fini(&tester); \ }) #endif /* __TEST_PROGS_H */ |